[PATCH][PR target/19201] Peephole to improve clearing items in structure for m68k

[official-gcc.git] / gcc / ChangeLog

2015-12-13  Kazu Kirata  <kazu@gcc.gnu.org>

        * config/m68k/m68k.md (load feeding clear byte): New peephole2.

2015-12-13  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (find_func_clobbers): Handle sizes and kinds
        parameters of GOACC_paralllel.

2015-12-10  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_node::get_untransformed_body): Pass compressed
        flag to lto_get_section_data.
        * varpool.c (varpool_node::get_constructor): Likewise.
        * lto-section-in.c (lto_get_section_data): Add new flag decompress.
        (lto_free_section_data): Likewise.
        (lto_get_raw_section_data): New function.
        (lto_free_raw_section_data): New function.
        (copy_function_or_variable): Copy sections w/o decompressing.
        (lto_output_decl_state_refs): Picke compressed bit.
        * lto-streamer.h (lto_in_decl_state): New flag compressed.
        (lto_out_decl_state): Likewise.
        (lto_get_section_data, lto_free_section_data): Update prototypes
        (lto_get_raw_section_data, lto_free_raw_section_data): Declare.
        (lto_write_raw_data): Declare.
        (lto_begin_section): Remove FIXME.
        (lto_write_raw_data): New function.
        (lto_write_stream): Remove FIXME.
        (lto_new_out_decl_state): Set compressed flag.

2015-12-10  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (free_lang_data_in_type, find_decls_types_r): Also free
        unnecesary type decls.
        * tree.h (is_redundant_typedef): Declare.
        * dwarf2out.c (is_redundant_typedef): Export; booleanize

2015-12-12  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.h (TARGET_SUPPORTS_WIDE_INT): Define to 1.
        * config/sparc/sparc.c (sparc_emit_set_const64): Remove code
        conditionalized on HOST_BITS_PER_WIDE_INT == 32.
        (sparc_cannot_force_const_mem) <CONST_WIDE_INT>: New case.
        <CONST_DOUBLE>: Remove VOIDmode test.
        (epilogue_renumber) <CONST_WIDE_INT>: New case.
        (sparc_print_operand): Remove support for CONST_DOUBLE with VOIDmode.
        (sparc_assemble_integer): Likewise.
        (set_extends): Likewise.
        (sparc_rtx_costs) <CONST_INT>: Use SMALL_INT.
        <CONST_WIDE_INT>: New case.
        <CONST_DOUBLE>: Remove support for VOIDmode.
        <MULT>: Remove support for CONST_DOUBLE with VOIDmode.
        * config/sparc/predicates.md (const_zero_operand): Add const_wide_int.
        (const_all_ones_operand): Likewise.
        (uns_small_int_operand): Remove const_double and code conditionalized
        on HOST_BITS_PER_WIDE_INT == 32.
        (arith_double_operand): Likewise.
        (arith_double_add_operand): Likewise.
        (input_operand): Remove support for CONST_DOUBLE with DImode.
        * config/sparc/sparc.md (DImode CONST_INT splitter): Remove code
        conditionalized on HOST_BITS_PER_WIDE_INT == 32.
        (DFmode CONST_DOUBLE splitter): Likewise.
        (*adddi3_insn_sp32): Likewise.
        (*subdi3_insn_sp32): Likewise.
        (DImode logical splitter): Likewise.
        (DImode CONST_DOUBLE splitter): Delete.

2015-12-12  Paolo Bonzini  <bonzini@gnu.org>

        PR sanitizer/68418
        * c-family/c-ubsan.c (ubsan_instrument_shift): Disable
        sanitization of left shifts for wrapping signed types as well.

2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/68215
        * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
        Do not gimplify the result.
        (do_unop): Adjust call to tree_vec_extract.
        (do_binop): Likewise.
        (do_compare): Likewise.
        (do_plus_minus): Likewise.
        (do_negate): Likewise.
        (expand_vector_condition): Likewise.
        (do_cond): Likewise.

2015-12-11  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.h (RETURN_ADDR_REGNO): Delete.
        (OUTGOING_ARG_POINTER_REGNUM): Delete.
        (ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): Delete.
        (REGISTER_NAMES): Name static chain regs.
        * config/nvptx/nvptx.c (nvptx_function_arg): Add ARG_UNUSED, merge
        ifs.
        (nvptx_incoming_arg): Merge ifs.
        (nvptx_function_arg_boundary): Reimplement to avoid mixing units.
        (nvptx_function_value): Tail call nvptx_libcall_value.
        (nvptx_pass_by_reference): Add ARG_UNUSED.
        (nvptx_static_chain): Use conditional op.
        (nvptx_handle_kernel_attribute): Use VOID_TYPE_P.

2015-12-11  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
            Dominique d'Humieres  <dominiq@lps.ens.fr>

        PR target/26427
        PR target/33120
        PR testsuite/35710
        * config/darwin.c (darwin_use_anchors_for_symbol_p): Fix indention and
        trailing whitespace.

2015-12-11  Jan Beulich  <jbeulich@suse.com>

        * cfgexpand.c (expand_one_var): Exit early for static and
        external variables when adjusting stack alignment related.

2015-12-11  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_rtx_costs)
        (s390_cannot_force_const_mem, legitimate_pic_operand_p)
        (s390_preferred_reload_class, s390_reload_symref_address)
        (legitimate_reload_constant_p, print_operand): Wide int support.
        * config/s390/predicates.md ("const0_operand", "constm1_operand")
        ("consttable_operand"): Likewise.
        ("larl_operand"): Add a comment.
        * config/s390/s390.h (TARGET_SUPPORTS_WIDE_INT): Enable wide int
        support.

2015-12-11  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.h (TARGET_SUPPORTS_WIDE_INT): Define.
        * config/nvptx/nvptx.c (nvptxx_assemble_integer): Return false for
        unrecognizable RTX.

2015-12-11  Tom de Vries  <tom@codesourcery.com>

        * passes.def: Remove unpaired TERMINATE_PASS_LIST.

2015-12-11  Michael Matz  <matz@suse.de>

        * hash-map.h (hash_map::hash_map): Gather statistics only
        when GATHER_STATISTICS is true.
        * hash-set.h (hash_set::hash_set): Ditto.
        * hash-table.h (hash_table::hash_table): Ditto.
        (hash_table::create_ggc): Ditto.

2015-12-11  Martin Jambor  <mjambor@suse.cz>

        PR ipa/68064
        * ipa-prop.c (ipa_compute_jump_functions_for_edge): Add checking
        assert that align is nonzero.

2015-12-11  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_setmem): Use new expanders.
        * config/s390/s390.md ("*setmem_long")
        ("*setmem_long_and", "*setmem_long_31z"): Fix warnings.
        ("*setmem_long_and_31z"): New define_insn.
        ("setmem_long_<P:mode>"): New expanders.
        * (<modesize>): New mode attribute

2015-12-11  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.md ("movstr", "*movstr"): Fix warning.
        ("movstr<P:mode>"): New indirect expanders used by "movstr".

2015-12-11  Martin Liska  <mliska@suse.cz>
            Uros Bizjak  <ubizjak@gmail.com>

        PR target/67484
        * config/i386/i386.c (ix86_valid_target_attribute_tree):
        Use ggc_strdup to copy option_strings to opts->x_ix86_arch_string and
        opts->x_ix86_tune_string.

2015-12-11  Richard Biener  <rguenther@suse.de>

        * lto-streamer.h (lto_simple_header_with_strings): Remove
        main_size field already in lto_simple_header.

2015-12-11  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-stmts.c (vectorizable_mask_load_store): Check
        mask vectype.

2015-12-11  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/i386.c (ix86_get_mask_mode): Use scalar
        modes for 32 and 16 byte boolean vectors when possible.

2015-12-11  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/67778
        PR rtl-optimization/68634
        * shrink-wrap.c (try_shrink_wrapping): Add a comment about why we want
        to put the prologue earlier.  When determining if an earlier block is
        suitable, make sure it dominates every block reachable from it.

2015-12-11  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/68814
        * rtlanal.c (set_noop_p): Use BITS_BIG_ENDIAN instead of
        BYTES_BIG_ENDIAN.

2015-12-10  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_function_arg,
        nvptx_function_incoming_arg, nvptx_function_arg_advance,
        nvptx_strict_argument_naming, nvptx_function_arg_boundary,
        nvptx_libcall_value, nvptx_function_value,
        nvptx_function_value_regno_p, nvptx_pass_by_reference,
        nvptx_return_in_memory, nvptx_promote_function_mode,
        nvptx_static_chain): Move earlier.
        (write_one_arg): Break out as helper fn for ...
        (write_arg): ... this new function.  Adjust all callers.

2015-12-10  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (wrap_refs): Only wrap public decls.

2015-12-10  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-cp.c (ipcp_cloning_candidate_p): Use node->optimize_for_size_p.
        (good_cloning_opportunity_p): Likewise.
        (gather_context_independent_values): Do not return true when
        polymorphic call context is known or when we have known aggregate
        value of unused parameter.
        (estimate_local_effects): Try to create clone for all context
        when either some params are substituted or devirtualization is possible
        or some params can be removed; use local flag instead of
        node->will_be_removed_from_program_if_no_direct_calls_p.
        (identify_dead_nodes): Likewise.

2015-12-10  David Malcolm  <dmalcolm@redhat.com>

        * doc/invoke.texi (-Wall): Add -Wmisleading-indentation to the
        list.
        (-Wmisleading-indentation): Update documentation to reflect
        being enabled by -Wall in C/C++.

2015-12-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68691
        * lra-spills.c (lra_final_code_change): Check pseudo occurrence
        number in non-debug insns and remove debug insns if necessary.

2015-12-10  Martin Sebor  <msebor@redhat.com>

        * invoke.texi (Warning Options): Update -Wall options.  Clarify
        when some -Wextra options are enabled.  Add -Wplacement-new example.

2015-12-10  Uros Bizjak  <ubizjak@gmail.com>

        * graphite-scop-detection.c (gather_bbs::before_dom_children):
        Change return type to an edge.  Always return NULL.

2015-12-10  Jeff Law  <law@redhat.com>

        PR tree-optimization/68619
        * tree-ssa-dom.c (dom_opt_dom_walker::before_dom_children): Propgate
        return value from optimize_stmt.
        (dom_opt_dom_walker): Add new argument to dom_walker constructor.
        (pass_dominator:execute): If a block has an unreachable edge,
        remove all jump threads through any successor of the affected block.
        (record_equivalences_from_phis): Ignore alternative if the edge
        does not have EDGE_EXECUTABLE set.
        (single_incoming_edge_ignoring_loop_edges): Similarly.
        (optimize_stmt): If a gimple_code has a compile-time constant
        condition, return the edge taken for that constant value.  Also
        change the condition to true/false as necessary.
        * domwalk.h (dom_walker::dom_walker): Add new argument
        skip_unreachable_blocks.  Don't provide empty constructor body.
        (dom_walker::before_dom_children): Change return type.
        (dom_walker::bb_reachable): Declare new private method.
        (dom_walker::propagate_unreachable_to_edges): Likewise.
        (dom_walker::m_unreachable_dom): Declare new private data member.
        (dom_walker::m_skip_unreachable_blocks): Likewise.
        * domwalk.c: Include dumpfile.h.
        (dom_walker::dom_walker): New constructor.  Initialize private data
        members.  If needed, set EDGE_EXECUTABLE for all edges in the CFG,
        extracted from tree-ssa-sccvn.c.
        (dom_walker::bb_reachable): New method extracted from tree-ssa-sccvn.c
        (dom_walker::propagate_unreachable_to_edges): Likewise.
        (dom_walker::walk): Only call before_dom_children on reachable
        blocks.  If before_dom_children returns an edge, then clear
        EDGE_EXECUTABLE for all other outgoing edges from the same block.
        For unreachable blocks, call propagate_unreachable_to_edges.
        Similarly, only call after_dom_children on reachable blocks.  For
        unreachable blocks, conditionally clear m_unreachable_dom.
        * tree-ssa-sccvn.c (sccvn_dom_walker::unreachable_dom): Remove
        private data member.
        (sccvn_dom_walker::after_dom_children): Use methods from dom_walker
        class.
        (run_scc_vn): Likewise.
        (sccvn_dom_walker::before_dom_children): Likewise.  Return the taken
        outgoing edge if a COND, SWITCH, or GOTO are optimized.
        * compare-elim.c (find_comparison_dom_walker::before_dom_children):
        Change return type to an edge.  Always return NULL.
        * fwprop.c (single_def_use_dom_walker::before_dom_children): Likewise.
        * gimple-ssa-strength-reduction.c
        (find_candidates_dom_walker::before_dom_children): Likewise.
        * ipa-prop.c (analysis_dom_walker::before_dom_children): Likewise.
        (ipcp_modif_dom_walker::before_dom_children): Likewise.
        * tree-into-ssa.c (rewrite_dom_walker::before_dom_children): Likewise.
        (rewrite_update_dom_walker::before_dom_children): Likewise.
        (mark_def_dom_children::before_dom_children): Likewise.
        * tree-ssa-dse.c (dse_dom_walker::before_dom_children): Likewise.
        * tree-ssa-loop-im.c
        (invariantness_dom_walker::before_dom_children): Likewise.
        (move_computations_dom_walker::before_dom_walker): Likewise.
        * tree-ssa-phiopt.c
        (nontrapping_dom_walker::before_dom_children): Likewise.
        * tree-ssa-pre.c
        (eliminate_dom_walker::before_dom_children): Likewise.
        * tree-ssa-propagate.c
        (substitute_and_fold_dom_walker::before_dom_children): Likewise.
        * tree-ssa-strlen.c
        (strlen_dom_walker::before_dom_children): Likewise.
        * tree-ssa-uncprop.c
        (uncprop_dom_walker::before_dom_children): Likewise.

2015-12-10  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/68376
        PR rtl-optimization/68670
        * ifcvt.c (noce_try_abs): For one_cmpl allow < 0, >= 0
        or > -1 conditions regardless of negate, and disallow
        all other conditions.

2015-12-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-chkp.c (chkp_call_returns_bounds_p): Return true
        for VA_ARG call.
        (chkp_fixup_inlined_call): New.
        * tree-chkp.h (chkp_fixup_inlined_call): New.
        * tree-stdarg.c: Include tree-chkp.h.
        (expand_ifn_va_arg_1): Fixup bndret calls for removed
        VA_ARG calls.

2015-12-10  Martin Jambor  <mjambor@suse.cz>

        * tree-inline.c (duplicate_remap_omp_clause_seq): New function.
        (replace_locals_op): Duplicate gimple sequences in OMP clauses.

2015-12-10  David Malcolm  <dmalcolm@redhat.com>

        * graphite-optimize-isl.c (scop_get_domains): Fix indentation.

2015-12-10  David Malcolm  <dmalcolm@redhat.com>

        * ifcvt.c (noce_try_inverse_constants): Fix indentation.

2015-12-10  David Malcolm  <dmalcolm@redhat.com>

        * regrename.c (scan_rtx_address): Fix indentation.

2015-12-10  David Malcolm  <dmalcolm@redhat.com>

        * function.c (locate_and_pad_parm): Fix indentation.

2015-12-10  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (struct variable_info): Add
        is_ipa_escape_point flag.
        (new_var_info): Initialize to false.
        (find_func_aliases): Generate escape constraints for stores
        properly in IPA mode.
        (ipa_pta_execute): Compute is_ipa_escape_point for globals.

2015-12-10  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/atomic.md: Add new file.

2015-12-10  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc-protos.h (arc_expand_atomic_op): Prototype.
        (arc_split_compare_and_swap): Likewise.
        (arc_expand_compare_and_swap): Likewise.
        * config/arc/arc.c (arc_init): Check usage atomic option.
        (arc_pre_atomic_barrier): New function.
        (arc_post_atomic_barrier): Likewise.
        (emit_unlikely_jump): Likewise.
        (arc_expand_compare_and_swap_qh): Likewise.
        (arc_expand_compare_and_swap): Likewise.
        (arc_split_compare_and_swap): Likewise.
        (arc_expand_atomic_op): Likewise.
        * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): New C macro.
        (ASM_SPEC): Enable mlock option when matomic is used.
        * config/arc/arc.md (UNSPEC_ARC_MEMBAR): Define.
        (VUNSPEC_ARC_CAS): Likewise.
        (VUNSPEC_ARC_LL): Likewise.
        (VUNSPEC_ARC_SC): Likewise.
        (VUNSPEC_ARC_EX): Likewise.
        * config/arc/arc.opt (matomic): New option.
        * config/arc/constraints.md (ATO): New constraint.
        * config/arc/predicates.md (mem_noofs_operand): New predicate.
        * doc/invoke.texi: Document -matomic.
        * config/arc/atomic.md: New file.

2015-12-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68817
        * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Detect
        gaps early.

2015-12-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-stmts.c (vectorizable_assignment): Support
        useless boolean conversion.

2015-12-10  Alan Lawrence  <alan.lawrence@arm.com>

        * doc/install.texi: Add note against GNAT 4.8 on ARM targets.

2015-12-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/68785
        * gimple-fold.c (fold_ctor_reference): Pass return value from
        native_encode_expr to native_interpret_expr.
        * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Likewise.

2015-12-10  Richard Biener  <rguenther@suse.de>

        PR ipa/68331
        * tree-ssa-structalias.c (set_uids_in_ptset): Add fndecl
        parameter and make vars_contains_nonlocal properly have
        function-scope semantics in IPA mode.
        (find_what_var_points_to): Add fndecl parameter.
        (find_what_p_points_to): Likewise.
        (pt_solution_includes_global): Remove IPA PTA early out.
        (compute_points_to_sets): Adjust.
        (ipa_pta_execute): Likewise.  Clear final_solutions after
        each function.

2015-12-10  Tom de Vries  <tom@codesourcery.com>

        PR ada/65102
        * doc/include/fdl.texi: Add nodefaultgnufreedocumentationlicensenode
        ifdef to allow disabling default @node GNU Free Documentation License.

2015-12-10  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (create_function_info_for): Add missing
        constraint from nonlocal for DECL_RESULT.

2015-12-10  Richard Biener  <rguenther@suse.de>

        * tree-if-conv.c: Include params.h.
        (ifcvt_memrefs_wont_trap): Use PARAM_ALLOW_STORE_DATA_RACES
        instead of flag_tree_loop_if_convert_stores to guard cases
        we'd introduce store-data-races.

2015-12-10  Richard Biener  <rguenther@suse.de>

        PR ipa/68721
        * ipa-split.c (split_function): Record return value properly
        when the split part doesn't set it.

2015-12-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68806
        * tree-vect-loop.c (vect_analyze_loop_2): Properly detect
        reduction chains and ignore SLP reductions.

2015-12-10  Richard Biener  <rguenther@suse.de>

        * tree-if-conv.c (if_convertible_loop_p_1): Do not compute
        dependences.
        (if_convertible_loop_p): Adjust.

2015-12-10  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Remove
        invalid assert.

2015-12-10  Martin Liska  <mliska@suse.cz>

        * tree-vect-data-refs.c: Free an overwritten dataref.

2015-12-09  John David Anglin  <danglin@gcc.gnu.org>

        PR target/68729
        * config/pa/pa.c (pa_emit_move_sequence): Don't check that mode is
        consistent with modes of the input and output operands when doing
        reloads to and from floating point registers.  Do reload for all
        address forms.

2015-12-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        PR middle-end/25140
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use compare_base_decls
        (nonoverlapping_component_refs_of_decl_p): Update sanity check.
        (decl_refs_may_alias_p): Use compare_base_decls.
        * alias.c: Include cgraph.h
        (get_alias_set): Add cut-off for recursion.
        (rtx_equal_for_memref_p): Use rtx_equal_for_memref_p.
        (compare_base_decls): New function.
        (base_alias_check): Likewise.
        (memrefs_conflict_p): Likewise.
        (nonoverlapping_memrefs_p): Likewise.
        * alias.h (compare_base_decls): Declare.

2015-12-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        * ipa-visibility.c (function_and_variable_visibility): Fix vtable
        rewritting guard.

2015-12-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        PR middle-end/25140
        * ipa-reference.c (ipa_reference_get_not_read_global,
        ipa_reference_get_not_read_global): Fix WRT aliases.
        (is_improper): Break out from ...
        (is_proper_for_analysis): ... here; fix WRT aliases.
        (analyze_function, generate_summary,
        ipa_reference_write_optimization_summary,
        ipa_reference_read_optimization_summary): Use ipa_reference_var_uid.
        * ipa-refrence.h (ipa_reference_var_uid): New inline.
        * tree-ssa-alias.c: Revert my accidental previous commit.
        (ref_maybe_used_by_call_p_1,
        call_may_clobber_ref_p_1): Use ipa_reference_var_uid.

2015-12-09  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/rs6000/freebsd64.h: Remove the redefinition of WCHAR_TYPE.

2015-12-09  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-optimize-isl.c: Include isl/ast_build.h
        (optimize_isl): Set several isl_options_set_* options.

2015-12-09  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-sese-to-poly.c (pdr_add_memory_accesses): Iterate in
        the same order as adding data reference access functions.

2015-12-09  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-optimize-isl.c (optimize_isl): Improve dump message.

2015-12-09  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/66949
        * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Don't call
        single_non_singleton_phi_for_edges to get the PHI from
        factor_out_conditional_conversion.  Use NULL_TREE instead of NULL.
        (factor_out_conditional_conversion): Adjust declaration.  Make it
        return the newly-created PHI.

2015-12-09  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-protos.h
        (aarch64_cannot_change_mode_class): Bring back.
        * config/aarch64/aarch64.c
        (aarch64_cannot_change_mode_class): Likewise.
        * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Likewise.
        * config/aarch64/aarch64.md (aarch64_movdi_<mode>low): Use
        zero_extract rather than truncate.
        (aarch64_movdi_<mode>high): Likewise.

2015-12-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/68786
        * tree-if-conv.c: Include builtins.h.
        (predicate_mem_writes): Put result of get_object_alignment (ref)
        into second argument's value.
        * tree-vect-stmts.c (vectorizable_mask_load_store): Put minimum
        pointer alignment into second argument's value.
        * tree-data-ref.c (get_references_in_stmt): Use value of second
        argument for build_aligned_type, and only the type to build
        a zero second argument for MEM_REF.
        * internal-fn.c (expand_mask_load_optab_fn,
        expand_mask_store_optab_fn): Likewise.

2015-12-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68583
        * tree-if-conv.c (if_convertible_phi_p): Drop
        flag_tree_loop_if_convert_stores check in favor of the
        existing any_mask_load_store check.
        (insert_gimplified_predicates): Likewise.
        (combine_blocks): Likewise.
        (tree_if_conversion): Likewise.
        (ifcvt_memrefs_wont_trap): Properly check
        flag_tree_loop_if_convert_stores in all places that can end
        up introducing store-data-races.
        (if_convertible_gimple_assign_stmt_p): Remove restriction
        on flag_tree_loop_if_convert_stores for stores we can if-convert
        without introducing store-data-races.  Force versioning for
        all if-converted stores.

2015-12-09  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68716
        * tree-ssa-structalias.c (find_func_clobbers): Fix handling of
        BUILT_IN_GOMP_PARALLEL and BUILT_IN_GOACC_PARALLEL.

2015-12-09  Martin Liska  <mliska@suse.cz>

        * hash-traits.h (struct typed_delete_remove): New function.
        (typed_delete_remove ::remove): Likewise.
        * tree-ssa-loop-ivopts.c (struct iv_common_cand): Replace
        auto_vec with vec.
        (record_common_cand): Replace XNEW with operator new.

2015-12-09  Martin Liska  <mliska@suse.cz>

        * tree-if-conv.c (ifcvt_local_dce): Replace vec with auto_vec.

2015-12-09  Martin Liska  <mliska@suse.cz>

        PR ipa/68790
        * ipa-icf.c (sem_function::param_used_p): Return true
        if ipa_node_params_sum equals to NULL.

2015-12-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68583
        * tree-if-conv.c (ifc_dr): Make flags bool, add w_unconditionally
        flag and rename predicates to w_predicate, rw_predicate and
        base_w_predicate.
        (DR_WRITTEN_AT_LEAST_ONCE): Rename to ...
        (DR_BASE_W_UNCONDITIONALLY): ... this.
        (DR_W_UNCONDITIONALLY): Add.
        (hash_memrefs_baserefs_and_store_DRs_read): Adjust.  Compute
        unconditionally written separately from read or written.
        (ifcvt_memrefs_wont_trap): Properly treat reads.
        (ifcvt_could_trap_p): Inline ...
        (if_convertible_gimple_assign_stmt_p): ... here.  Refactor
        to avoid code duplication.
        (if_convertible_loop_p_1): Adjust and properly initialize
        predicates.

2015-12-09  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): Set new vinfo only
        if it was not yet set.
        * tree-vectorizer.h (set_vinfo_for_stmt): Assert we don't
        overwrite an existing entry.

2015-12-09  Chung-Lin Tang  <cltang@codesourcery.com>

        * c-family/c-omp.c (c_finish_oacc_wait): Remove add_stmt() call.
        * c/c-parser.c (c_parser_oacc_wait): Add add_stmt() call.
        * cp/parser.c (cp_parser_oacc_wait): Add finish_expr_stmt() call.

2015-12-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        * symtab.c (symtab_node::equal_address_to): New parameter
        MEMORY_ACCESSED.
        * cgraph.h (symtab_node::equal_address_to): Update prototype.

2015-12-08  DJ Delorie  <dj@redhat.com>

        * config/rx/rx.opt (-mjsr): Add.
        * config/rx/predicates.md (rx_call_operand): Avoid overflowing
        calls when -mjsr.
        * config/rx/rx.c (rx_function_ok_for_sibcall): Likewise for
        overflowing jumps.
        * doc/invoke.texi (-mjsr): Document it.

2015-12-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        * lto-streamer.h (lto_symtab_merge_decls, lto_symtab_merge_symbols,
        lto_symtab_prevailing_decl): MOve to lto-symtab.h.
        * lto-streamer-out.c (DFS::DFS_write_tree_body): Check that
        DECL_ABSTRACT_ORIGIN is not error_mark_node.

2015-12-08  David Malcolm  <dmalcolm@redhat.com>

        * tree-nested.c (convert_tramp_reference_stmt): Fix indentation.

2015-12-08  David Malcolm  <dmalcolm@redhat.com>

        * tree-ssa-loop-unswitch.c (tree_unswitch_outer_loop): Fix
        indentation.

2015-12-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        * lto-cgraph.c (compute_ltrans_boundary): Add transparent alias targets
        into the boundary.

2015-12-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        * varpool.c (varpool_node::get_availability): Recurse only on
        weakrefs with definition in the target.
        (symbol_table::remove_unreferenced_decls): Keep aliases in the boundary.

2015-12-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        * ipa-visibility.c (can_replace_by_local_alias): Look through
        transparent aliases; refuse weakrefs.
        (update_visibility_by_resolution_info): Skip transparent aliases in the
        analysis part

2015-12-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        * symtab.c (symtab_node::verify_base): Fix thinko in a conditional.
        (symtab_node::noninterposable_alias): Do not accept transparent
        aliases.

2015-12-08  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (decl_chunk_size, decl_chunk_mode,
        decl_offset, init_part, object_size, object_finished): Replace
        with ...
        (struct init_frag): ... this new struct variable.
        (begin_decl_field, output_decl_chunk): Replace with ...
        (output_init_frag): ... this new function.
        (nvptx_assemble_value): Reimplement.
        (nvptx_assemble_integer, nvptx_output_skip): Adjust.
        (nvptx_assemble_decl_begin, nvptx_assemble_decl_end): Adjust.
        (nvptx_output_aligned_decl): Call nvptx_assemble_decl_end.

2015-12-08  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/68291
        PR middle-end/68292
        * cfgexpand.c (set_rtl): Always accept mode mismatch for SSA names
        with BLKmode promoted mode based on RESULT_DECLs.

2015-12-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/68701
        * config/i386/i386.c (ix86_option_override_internal): Enable
        -maccumulate-outgoing-args when %ebp is fixed due to stack
        realignment requirements.

2015-12-08  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68640
        * omp-low.c (install_var_field): Clear the restrict qualifier on the var
        type.

2015-12-08  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/sse.md (define_insn "<avx512>_vec_dup<mode>_1"): Fix
        assembler to make source always 128bit.

2015-12-08  Jakub Jelinek  <jakub@redhat.com>

        PR c/48088
        PR c/68657
        * common.opt (Wframe-larger-than=): Add Warning.
        * opts.h (control_warning_option): Add ARG argument.
        * opts-common.c (cmdline_handle_error): New function.
        (read_cmdline_option): Use it.
        (control_warning_option): Likewise.  Add ARG argument.
        If non-NULL, decode it if needed and pass through
        to handle_generated_option.  Handle CLVC_ENUM like
        CLVC_BOOLEAN.
        * opts.c (common_handle_option): Adjust control_warning_option
        caller.
        (enable_warning_as_error): Likewise.

2015-12-08  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-options-extensions.def: Remove
        AARCH64_FL_RDMA from "fp" and "simd".  Remove "pan", "lor",
        "rdma".
        * config/aarch64/aarch64.h (AARCH64_FL_PAN): Remove.
        (AARCH64_FL_LOR): Remove.
        (AARCH64_FL_RDMA): Remove.
        (AARCH64_FL_V8_1): New.
        (AARCH64_FL_FOR_AARCH8_1): Replace AARCH64_FL_PAN, AARCH64_FL_LOR
        and AARCH64_FL_RDMA with AARCH64_FL_V8_1.
        (AARCH64_ISA_RDMA): Replace AARCH64_FL_RDMA with AARCH64_FL_V8_1.
        * doc/invoke.texi (AArch64 -march): Rewrite initial paragraph and
        section on -march=native.  Group descriptions of permitted
        architecture names together.  Expand description of
        -march=armv8.1-a.
        (AArch64 -mtune): Slightly rework section on -march=native.
        (AArch64 -mcpu): Slightly rework section on -march=native.
        (AArch64 Feature Modifiers): Remove "pan", "lor" and "rdma".
        State that -march=armv8.1-a enables "crc" and "lse".

2015-12-08  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/invoke.texi (SPARC options): Fix typo.

2015-12-08  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust.
        (output_probe_stack_range): Rotate the loop and simplify.

2015-12-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_emit_swsqrtsf): Cleanup
        infinity filterning code.

2015-12-08  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR tree-optimization/68766
        * tree-vectorizer.c (vectorize_loops): Check for
        if-converted loops when debug counters are used.

2015-12-07  DJ Delorie  <dj@redhat.com>

        * config/rl78/constraints.md (Wfr): Change to be a non-memory
        constraint.
        * config/rl78/rl78-protos.h (rl78_one_far_p): Declare.
        * config/rl78/rl78.c (rl78_one_far_p): Define.
        * config/rl78/rl78-virt (movqi_virt): Fix far memory
        alternatives.
        (movhi_virt): Likewise.
        (zero_extendqihi2_virt): Likewise.
        (extendqihi2_virt): Likewise.
        (add<mode>3_virt): Likewise.
        (sub<mode>3_virt): Likewise.
        (andqi3_virt): Likewise.
        (iorqi3_virt): Likewise.
        (xorqi3_virt): Likewise.
        * config/rl78/rl78-real.md (bf,br): Use long forms to avoid reloc
        overflow in large files.

2015-12-07  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/63668
        * doc/invoke.texi (SPARC options): Document -mstd-struct-return.
        * config/sparc/sparc.c (sparc_struct_value_rtx): Minor tweaks.
        * config/sparc/sparc.h (CALL_REALLY_USED_REGISTERS): Define.
        * config/sparc/sparc.opt (mstd-struct-return): Accept negative.

2015-12-07  Steve Ellcey  <sellcey@imgtec.com>

        * reorg.c (optimize_skip): Do not put frame related instructions
        in annulled delay slots.
        (steal_delay_list_from_target): Ditto.
        (fill_slots_from_thread): Ditto.

2015-12-07  Evandro Menezes  <e.menezes@samsung.com>

        * config/aarch64/aarch64-cores.def: Use the Exynos M1 sched model.
        * config/aarch64/aarch64.md: Include "exynos-m1.md".
        * config/arm/arm.md: Likewise.
        * config/arm/exynos-m1.md: New file.

2015-12-07  Jan Hubicka  <hubicka@ucw.cz>

        * fold-const.c (operand_equal_p): Drop flag_strict_aliasing check.

2015-12-07  Nathan Sidwell  <nathan@acm.org>

        * config//nvptx/nvptx.c (write_return): New.
        (write_fn_proto, nvptx_declare_function_name): Call it.

2015-12-07  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61886
        * symtab.c (ultimate_transparent_alias_target): New inline function.
        (symbol_table::assembler_names_equal_p): New method; break out from ...
        (symbol_table::decl_assembler_name_equal): ... here.
        (symbol_table::change_decl_assembler_name): Also update names and
        translation links of transparent aliases.
        (symtab_node::dump_base): Dump transparent_alias.
        (symtab_node::verify_base): Implement basic transparent alias
        verification.
        (symtab_node::make_decl_local): Support localization of weakrefs;
        recurse to transparent aliases; set TREE_STATIC.
        (symtab_node::ultimate_alias_target_1): Handle visibility of
        transparent aliases.
        (symtab_node::resolve_alias): New parmaeter transparent; handle
        transparent aliases; recurse to aliases of aliases to fix comdat
        groups.
        (symtab_node::get_partitioning_class): Handle transparent aliases.
        * ipa-visibility.c (cgraph_externally_visible_p,
        varpool_node::externally_visible_p): Visibility of transparent alias
        depends on its target.
        (function_and_variable_visibility): Do not tweak visibility of
        transparent laiases.
        (function_and_variable_visibility): Likewise.
        * ipa.c (symbol_table::remove_unreachable_nodes): Clear
        transparent_alias flag.
        * alias.c (cgraph_node::create_alias, cgraph_node::get_availability):
        Support transparent aliases.
        * cgraph.h (symtab_node): Update prototype of resolve_alias;
        add transparent_alias flag.
        (symbol_table: Add assembler_names_equal_p.
        (symtab_node::real_symbol_p): Skip transparent aliases.
        * cgraphunit.c (cgraph_node::reset): Reset transparent_alias flag.
        (handle_alias_pairs): Set transparent_alias for weakref.
        (cgraph_node::assemble_thunks_and_aliases): Do not asemble transparent
        aliases.
        * lto-cgraph.c (lto_output_node): When outputting same_comdat_group
        skip symbols not put into boundary; stream transparent_alias.
        (lto_output_varpool_node): Likewise.
        (input_overwrite_node, input_varpool_node): Stream transparent alias.
        * varpool.c (ctor_for_folding, varpool_node::get_availability,
        varpool_node::assemble_aliases,
        symbol_table::remove_unreferenced_decls): Handle transparent aliase.
        (varpool_node::create_alias): Set transparent_alias.

2015-12-07  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/68291
        PR middle-end/68292
        * cfgexpand.c (set_rtl): Always accept PARALLELs with BLKmode for
        SSA names based on RESULT_DECLs.
        * function.c (expand_function_start): Do not create BLKmode REGs
        for GIMPLE registers when coalescing is enabled.

2015-12-07  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * final.c (shorten_branches): Fix check for basic asm.
        * ipa-icf-gimple.c (func_checker::compare_gimple_asm): Add check for
        basic asm.

2015-12-07  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_output_call_insn): Emit trap after no
        return call.

2015-12-07  David Malcolm  <dmalcolm@redhat.com>

        * pretty-print.c (text_info::set_range): Rename to...
        (text_info::set_location): ...this, converting 2nd param
        from source_range to a location_t.
        * pretty-print.h (text_info::set_location): Convert
        from inline function to external definition.
        (text_info::set_range): Delete.

2015-12-07  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_assemble_decl_begin): Look inside
        complex and vector types.  Cope with packed structs.

2015-12-07  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/68627
        * config/i386/sse.md: Make 'v' alternative work on 'avx512f' ISA only.
        Force destination to 512 bits register.

2015-12-07  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/68633
        * config/i386/sse.md (define_insn "kunpckhi"): Fix operands order.
        (define_insn "kunpcksi"): Ditto.
        (define_insn "kunpckdi"): Ditto.

2015-12-06  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (rsqrtsf2): Adjust for canonical form with unspec.

2015-12-06  Victoria Stepanyan  <victoria.stepanyan@amd.com>

        * common/config/i386/i386-common.c
        (OPTION_MASK_ISA_CLZERO_SET): New.
        (ix86_handle_option): Handle clzero.
        * config.gcc (i[34567]86-*-*): Add clzerointrin.h,
        (x86_64-*-*): Likewise.
        * config/i386/clzerointrin.h: New header.
        * config/i386/cpuid.h (bit_CLZERO):  Define.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        CLZERO support.
        * config/i386/i386.opt (clzero): New.
        * config/i386/i386-c.c: Define __CLZERO__ if needed.
        * config/i386/i386.c (ix86_target_string): Define -mclzero option.
        (PTA_CLZERO): New.
        (ix86_option_override_internal): Handle new option.
        (processor_alias_table): Added PTA_CLZERO.
        (ix86_valid_target_attribute_inner_p): Add OPT_mclzero.
        (ix86_builtins): Add IX86_BUILTIN_CLZERO, IX86_BUILTIN_CLZERO.
        (ix86_expand_builtin): Handle IX86_BUILTIN_CLZERO and
        IX86_BUILTIN_CLZERO  built-ins.
        * config/i386/i386.h (TARGET_CLZERO):  New.
        * config/i386/i386.md (unspecv): Add UNSPEC_CLZERO.
        (clzero):  New pattern.
        (clzero_<mode>): New pattern.
        * config/i386/x86intrin.h: Include clzerointrin.h.
        * doc/extend.texi: Document clzero builtins.
        * doc/invoke.texi: Document -mclzero option.

2015-12-05  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_function::merge): Check that local_original exists.

2015-12-05  David Edelsohn  <dje.gcc@gmail.com>

        PR target/68609
        * config/rs6000/rs6000-protos.h (rs6000_emit_swsqrt): Rename and add
        bool arguement.
        * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Rename. Add
        non-reciporcal path.
        * config/rs6000/rs6000.md (rsqrt<mode>2): Call new function name.
        (sqrt<mode>2): Replace define_insn with define_expand that may call
        rs6000_emit_swsqrt.

2015-12-04  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (translate_isl_ast_node_user):
        Improve debug.
        (get_rename_from_scev): Check that all the ops in an expression
        have their uses dominated by corresponding defs.

2015-12-04  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/68693
        * graphite-scop-detection.c (dot_all_sese): New
        (dot_all_scops_1): Renamed to dot_all_sese.
        (dot_all_scops): Removed.
        (dot_sese): New.
        (dot_cfg): New.
        (scop_detection::get_nearest_dom_with_single_entry): Check that
        preds are from different loop levels.
        (scop_detection::get_nearest_pdom_with_single_exit): Check that
        succs are from different loop levels.
        (scop_detection::print_sese): Inlined.
        (scop_detection::print_edge): New.
        (scop_detection::merge_sese): Added dumps.
        * graphite.h: Add declarations.

2015-12-04  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.md (add<mode>3_pluslong): Add register
        constraints.

2015-12-04  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68349
        * lra-eliminations.c (move_plus_up): New function.
        (lra_eliminate_regs_1): Use the function.

2015-12-04  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_assemble_decl_begin): New, replacing ...
        (init_output_initializer): ... this.
        (nvptx_output_aligned_decl, nvptx_asm_declare_constant_name,
        nvptx_declare_object_name, nvptx_assemble_undefined_decl): Use
        nvptx_assemble_decl_begin.

2015-12-04  Dmitry Vyukov  <dvyukov@google.com>

        * sancov.c: New file.
        * Makefile.in (OBJS): Add sancov.o.
        * invoke.texi (-fsanitize-coverage=trace-pc): Describe.
        * passes.def (sancov_pass): Add.
        * tree-pass.h  (sancov_pass): Add.
        * common.opt (-fsanitize-coverage=trace-pc): Add.
        * sanitizer.def (BUILT_IN_SANITIZER_COV_TRACE_PC): Add.
        * builtins.def (DEF_SANITIZER_BUILTIN): Enable for
        flag_sanitize_coverage.

2015-12-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/65958
        * config/arm/unspecs.md (unspec): Remove UNSPEC_PROBE_STACK_RANGE.
        (unspecv): Add VUNSPEC_PROBE_STACK_RANGE.
        * config/arm/arm.md (probe_stack_range): Adjust.
        * config/aarch64/aarch64.md (unspec): Remove UNSPEC_PROBE_STACK_RANGE.
        (unspecv): Add UNSPECV_PROBE_STACK_RANGE.
        (probe_stack_range_<PTR:mode>): Adjust.

2015-12-04  David Malcolm  <dmalcolm@redhat.com>

        * convert.c (convert_to_real_1): When converting from a
        REAL_TYPE, preserve the location of EXPR in the result.
        * tree.c (get_pure_location): Make non-static.
        (set_source_range): Return the resulting location_t.
        (make_location): New function.
        * tree.h (get_pure_location): New decl.
        (get_finish): New inline function.
        (set_source_range): Convert return type from void to location_t.
        (make_location): New decl.

2015-12-04  Jakub Jelinek  <jakub@redhat.com>

        PR c/68656
        * toplev.c (init_asm_output): Pass UNKNOWN_LOCATION instead of
        input_location to inform.
        (process_options): Use warning_at (UNKNOWN_LOCATION instead of
        warning ( and error_at (UNKNOWN_LOCATION instead of error (.
        Pass UNKNOWN_LOCATION instead of input_location to fatal_error.

2015-12-04  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.c (can_inline_edge_p) Use merged_comdat.
        * cgraphclones.c (cgraph_node::create_clone): Use merged_comdat.
        * cgraph.c (cgraph_node::dump): Dump merged_comdat.
        * ipa-icf.c (sem_function::merge): Drop merged_comdat when merging
        comdat and non-comdat.
        * cgraph.h (cgraph_node): Rename merged to merged_comdat.
        * ipa-inline-analysis.c (simple_edge_hints): Check both merged_comdat
        and icf_merged.

2015-12-04  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (cstore<mode>4_unsigned): Use gpc_reg_operand
        instead of register_operand.  Remove empty constraints.  Use std::swap.
        (cstore_si_as_di, cstore<mode>4_signed_imm,
        cstore<mode>4_unsigned_imm, cstore<mode>4 for GPR): Use
        gpc_reg_operand instead of register_operand.
        (cstore<mode>4 for FP): Use gpc_reg_operand instead of
        register_operand.  Remove empty constraints.

2015-12-04  Nick Clifton  <nickc@redhat.com>

        * config.gcc (extra_gcc_objs): Define for MSP430.
        * common/config/msp430/msp430-common.c (msp430_handle_option):
        Pass both -mmcu and -mcpu on to the back end if they are both defined.
        * config/msp430/msp430.c (hwmult_name): New function.
        (msp430_option_override): If an unrecognised MCU name is
        detected only warn if the user has not provided suitable
        -mhwmult and -mcpu options.  Use msp430_warn_mcu to control
        warning messages.  Generate warnings about conflicts between
        -mmcu and -mcpu and -mhwmult options.
        If neither -mcpu nor -mmcu have been specified but -mhwmult=
        f5series has the select the 430X isa.
        (msp430_no_hwmult): If -mmcu has not been specified and
        msp430_hwmult_type is AUTO then return true.
        * config/msp430/msp430.h (EXTRA_SPEC_FUNCTIONS): Define.
        (LIB_SPEC): Add hardware multiply library selection.
        * config/msp430/t-msp430: Delete hardware multiply multilibs.
        Add rule to build driver-msp430.o
        * config/msp430/driver-msp430.c: New file.
        * config/msp430/msp430.opt (warn-mcu): New option.
        * doc/invoke.texi: Update description of -mhwmult=auto.
        Document -mwarn-mcu option.

2015-12-04  Segher Boessenkool  <segher&kernel.crashing.org>

        * config/rs6000/rs6000.md (cstore<mode>4_signed): New expander.
        (cstore<mode>4): Call it.

2015-12-04  Jakub Jelinek  <jakub@redhat.com>

        * tree-tailcall.c (find_tail_calls): Ignore GIMPLE_NOPs.

        PR tree-optimization/68680
        * calls.c (special_function_p): Return ECF_MAY_BE_ALLOCA for
        BUILT_IN_ALLOCA{,_WITH_ALIGN}.  Don't check for __builtin_alloca
        by name.

        PR tree-optimization/68671
        * tree-ssa-reassoc.c (maybe_optimize_range_tests): For basic
        blocks starting with the successor of first bb we've modified
        and ending with last_bb call reset_flow_sensitive_info_in_bb.

2015-12-04  Jeff Law  <law@redhat.com>

        * tree-ssa-reassoc.c (maybe_optimize_range_tests): Return boolean
        indicating if a gimple conditional was optimized to true/false.
        (reassociate_bb): Bubble up return value from
        maybe_optimize_range_tests.
        (do_reassoc): Similarly, but for reassociate_bb.
        (execute_reassoc): Return TODO_cleanup_cfg as needed.

2015-12-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_override_options_internal):
        Do not alter target_flags due to TARGET_GENERAL_REGS_ONLY_P.
        * doc/invoke.texi (AArch64 options): Mention that -mgeneral-regs-only
        does not affect the assembler directives.

2015-12-04  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_asm_file_start): Implement hook function to
        emit .machine and .machinemode to the top of the assembler file.
        (TARGET_ASM_FILE_START): Provide target hook.
        (s390_asm_output_machine_for_arch): Protect with
        HAVE_AS_MACHINE_MACHINEMODE instead of S390_USE_TARGET_ATTRIBUTE.

2015-12-04  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.opt (s390_arch_string): Remove.
        (s390_tune_string): Likewise.
        (s390_cost_pointer): Add Variable.
        (s390_tune_flags): Add TargetVariable.
        (s390_arch_flags, march=, mbackchain, mdebug, mesa, mhard-dfp),
        (mhard-float, mlong-double-128, mlong-double-64, mhtm, mvx),
        (mpacked-stack, msmall-exec, msoft-float, mstack-guard=, mstack-size=),
        (mtune=, mmvcle, mzvector, mzarch, mbranch-cost=, mwarn-dynamicstack),
        (mwarn-framesize=): Save option.
        (mno-stack-guard, mno-stack-guard): New option.
        (mwarn-dynamicstack): Allow mno-warn-dynamicstack.
        (mwarn-framesize=): Convert to UInteger (negative values are rejected
        now).
        * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Split setting
        macros changeable through the GCC target pragma into a separate
        function.
        (s390_cpu_cpp_builtins): Likewise.
        (s390_pragma_target_parse): New function, implement GCC target pragma
        if enabled.
        (s390_register_target_pragmas): Register s390_pragma_target_parse if
        available.
        * common/config/s390/s390-common.c (s390_handle_option):
        Export.
        Move setting s390_arch_flags to s390.c.
        Remove s390_tune_flags.
        Allow 0 as argument to -mstack-size (switch to default value).
        Allow 0 as argument to -mstack-guard (switch off).
        Remove now unnecessary explicit parsing code for -mwarn-framesize.
        * config/s390/s390-protos.h (s390_handle_option): Export.
        (s390_valid_target_attribute_tree): Export.
        (s390_reset_previous_fndecl): Export.
        * config/s390/s390-builtins.def: Use new macro B_GROUP to mark the start
        and end of HTM and VX builtins.
        (s390_asm_output_function_prefix): Declare hook.
        (s390_asm_declare_function_size): Likewise.
        * config/s390/s390-builtins.h (B_GROUP): Use macro.
        * config/s390/s390-opts.h: Add comment about processor_type usage.
        * config/s390/s390.h (TARGET_CPU_IEEE_FLOAT_P, TARGET_CPU_ZARCH_P),
        (TARGET_CPU_LONG_DISPLACEMENT_P, TARGET_CPU_EXTIMM_P, TARGET_CPU_DFP_P),
        (TARGET_CPU_Z10_P, TARGET_CPU_Z196_P, TARGET_CPU_ZEC12_P),
        (TARGET_CPU_HTM_P, TARGET_CPU_Z13_P, TARGET_CPU_VX_P),
        (TARGET_HARD_FLOAT_P, TARGET_LONG_DISPLACEMENT_P, TARGET_EXTIMM_P),
        (TARGET_DFP_P, TARGET_Z10_P, TARGET_Z196_P, TARGET_ZEC12_P),
        (TARGET_HTM_P, TARGET_Z13_P, TARGET_VX_P, TARGET_CPU_EXTIMM),
        (TARGET_CPU_DFP, TARGET_CPU_Z10, TARGET_CPU_Z196, TARGET_CPU_ZEC12),
        (TARGET_CPU_HTM, TARGET_CPU_Z13, TARGET_LONG_DISPLACEMENT),
        (TARGET_EXTIMM, TARGET_DFP, TARGET_Z10, TARGET_Z196, TARGET_ZEC12),
        (TARGET_Z13, TARGET_VX, S390_USE_TARGET_ATTRIBUTE),
        (S390_USE_ARCHITECTURE_MODIFIERS, SWITCHABLE_TARGET),
        (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
        * config/s390/vecintrin.h: Use vector definitions even if __VEC__ is
        undefined.
        (vec_all_nan): Rewrite as macro using statement expressions to avoid
        that the vector keyword needs to be defined when including the file.
        (vec_all_numeric): Likewise.
        (vec_any_nan): Likewise.
        (vec_any_numeric):  Likewise.
        * config/s390/s390.c (s390_previous_fndecl): New static variable.
        (s390_set_current_function): New function.
        (s390_cost): Wrapper macro to allow defining the cost table pointer in
        the options file.
        (processor_table): Table for march= and mtune= parsing.
        (s390_init_builtins): Enable all builtins and types unconditionally.
        (s390_expand_builtin): Generate an error message if builtin is not
        supported by current options.
        Correct an error message.
        (s390_function_specific_restore): New function to set s390_cost.
        (s390_asm_output_machine_for_arch): New function for emitting .machine
        and .machinmode directives to the assembler file.
        (s390_asm_output_function_prefix): Likewise.
        (s390_asm_declare_function_size):  Likewise.
        (s390_asm_output_function_label): Add mdebug output for feature testing.
        (s390_option_override): Move implementation into internal function.
        (s390_option_override_internal): Likewise.
        Implement option overriding based on current options.
        (s390_valid_target_attribute_inner_p): New function implementing target
        attribute logic.
        (s390_valid_target_attribute_tree): Likewise.
        (s390_valid_target_attribute_p): Likewise.
        (s390_reset_previous_fndecl): Likewise.
        (s390_set_current_function): Likewise.
        (TARGET_SET_CURRENT_FUNCTION): Provide target hook function.
        (TARGET_OPTION_VALID_ATTRIBUTE_P): Likewise.
        (TARGET_OPTION_RESTORE): Likewise.
        * doc/extend.texi: S390: Document target attribute and pragma.
        * config.in: Regenerated.
        * configure: Regenerated.
        * configure.ac: S390: Check for .machinemode and .machine in gas.
        S390: Check for architecture modifiers support in gas.

2015-12-04  Kirill Yukhin  <kirill.yukhin@intel.com>

        * doc/extend.texi ("simd"): Describe new flags.

2015-12-04  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/sse.md (<avx512>_store<mode>_mask): Fix
        operand checked for alignment.

2015-12-04  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (write_one_arg): Deal with prologue
        emission too. Change 'no_arg_types' to 'prototyped'.
        (write_fn_proto):  Use write_one_arg for stdarg, static chain &
        main.
        (nvptx_declare_function_name): Use write_one_arg for prologue copies.

2015-12-04  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.c (sccvn_dom_walker): Add unreachable_dom
        member and initialize it.
        (sccvn_dom_walker::after_dom_children): Reset unreachable_dom
        if necessary.
        (sccvn_dom_walker::before_dom_children): If unreachable_dom
        is set BB is not reachable either.  Set unreachable_dom
        if not set and BB is unreachable.

2015-12-04  Richard Biener  <rguenther@suse.de>

        * bitmap.c (bitmap_find_bit): Guard the bitmap descriptor
        query with GATHER_STATISTICS.

2015-12-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/65958
        * gimplify.c (struct gimplify_ctx): Turn boolean fields into 1-bit
        fields, add keep_stack and reorder them.
        (gimplify_bind_expr): Save gimplify_ctxp->keep_stack on entry then
        set it to false.  Do not insert a stack save/restore pair if it has
        been set to true by the gimplification of the statements.
        Restore it to the saved value on exit if it is still false.
        (gimplify_vla_decl): Do not set gimplify_ctxp->save_stack here.
        (gimplify_call_expr) <BUILT_IN_ALLOCA[_WITH_ALIGN]>: New case.  Set
        either save_stack or keep_stack depending on CALL_ALLOCA_FOR_VAR_P.
        * doc/extend.texi (Variable Length): Document new behavior.
        * doc/generic.texi (Blocks): Document new handling of VLAs.

2015-12-04  Eric Botcazou  <ebotcazou@adacore.com>
            Tristan Gingold  <gingold@adacore.com>

        PR middle-end/65958
        * config/aarch64/aarch64-protos.h (aarch64_output_probe_stack-range):
        Declare.
        * config/aarch64/aarch64.md: Declare UNSPECV_BLOCKAGE and
        UNSPEC_PROBE_STACK_RANGE.
        (blockage): New instruction.
        (probe_stack_range_<PTR:mode>): Likewise.
        * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): New
        function.
        (aarch64_output_probe_stack_range): Likewise.
        (aarch64_expand_prologue): Invoke aarch64_emit_probe_stack_range if
        static builtin stack checking is enabled.
        * config/aarch64/aarch64-linux.h (STACK_CHECK_STATIC_BUILTIN):
        Define to 1.

2015-12-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/68214
        * config/arm/arm.md (*call_mem): Delete pattern.
        (*call_value_mem): Likewise.
        * config/arm/arm.c (output_call_mem): Delete.
        * config/arm/arm-protos.h (output_call_mem): Delete prototype.

2015-12-04  Bin Cheng  <bin.cheng@arm.com>

        * config/aarch64/atomics.md (atomic_store<mode>): Use predicate
        aarch64_sync_memory_operand.

2015-12-04  Jakub Jelinek  <jakub@redhat.com>

        PR target/68655
        * config/i386/i386.c (canonicalize_vector_int_perm): New function.
        (expand_vec_perm_1): Use it and recurse if everything else
        failed.  Use nd.perm instead of perm2.
        (expand_vec_perm_even_odd_1): If testing_p, use gen_raw_REG
        instead of gen_lowpart for the target.
        (ix86_expand_vec_perm_const_1): Use canonicalize_vector_int_perm
        and recurse if everything else failed.

2015-12-04  Richard Biener  <rguenther@suse.de>

        PR middle-end/68636
        * builtins.c (get_pointer_alignment_1): Take care of byte to
        bit alignment computation overflow.

2015-12-04  Richard Biener  <rguenther@suse.de>

        PR middle-end/67438
        * match.pd: Guard ~X cmp ~Y -> Y cmp X and the variant with
        a constant with single_use.

2015-12-04  Bin Cheng  <bin.cheng@arm.com>
            Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.c (aarch64_legitimize_address): legitimize
        address expressions like Ra + Rb + CONST and Ra + Rb<<SCALE + CONST.

2015-12-03  Jan Hubicka  <hubicka@ucw.cz>

        * alias.c (alias_set_subset_of, alias_sets_must_conflict_p):
        Add short circuit for !flag_strict_aliasing
        (get_alias_set): Remove flag_strict_aliasing check.
        (new_alias_set): Likewise.

2015-12-03  Evandro Menezes  <e.menezes@samsung.com>

        * config/aarch64/aarch64-cores.def: Use the Exynos M1 cost model.
        * config/aarch64/aarch64.c (exynosm1_addrcost_table): New variable.
        (exynosm1_regmove_cost): Likewise.
        (exynosm1_vector_cost): Likewise.
        (exynosm1_tunings): Likewise.
        * config/arm/aarch-cost-tables.h (exynosm1_extra_costs): Likewise.
        * config/arm/arm.c (arm_exynos_m1_tune): Likewise.

2015-12-03  Alan Lawrence  <alan.lawrence@arm.com>
            Richard Biener  <richard.guenther@gmail.com>

        * cfgexpand.c (pass_expand::execute): Replace call to
        redirect_edge_var_map_destroy with redirect_edge_var_map_empty.
        * tree-ssa.c (delete_tree_ssa): Likewise.
        * function.c (set_cfun): Call redirect_edge_var_map_empty.
        * passes.c (execute_one_ipa_transform_pass, execute_one_pass): Likewise.
        * tree-ssa.h (redirect_edge_var_map_destroy): Remove.
        (redirect_edge_var_map_empty): New.
        * tree-ssa.c (redirect_edge_var_map_destroy): Remove.
        (redirect_edge_var_map_empty): New.

2015-12-03  Jeff Law  <law@redhat.com>

        PR tree-optimization/68599
        * loop-init.c (rtl_loop_init): Set LOOPS_HAVE_RECORDED_EXITS
        in call to loop_optimizer_init.
        * loop-iv.c (get_simple_loop_desc): Only allow unsafe loop
        optimization to drop the assumptions/infinite notations if
        the loop has a single exit.

2015-12-03  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/md.texi (vec_load_lanes@var{m}@var{n}): Document that
        the pattern cannot FAIL.
        (vec_store_lanes@var{m}@var{n}): Likewise.
        (maskload@var{m}@var{n}): Likewise.
        (maskstore@var{m}@var{n}): Likewise.  Fix a cut-&-paste error
        in the name of the pattern.
        (rsqrt@var{m}2): Document that mode m must be a scalar or vector
        floating-point mode and that all operands have that mode.
        (fmin@var{m}3, fmax@var{m}3): Likewise.  Document that the
        pattern cannot FAIL.
        (sqrt@var{m}2): Document that mode m must be a scalar or vector
        floating-point mode, that all operands have that mode, and that
        the patterns cannot FAIL.  Remove previous documentation referring
        to @code{double} and @code{float}.
        (fmod@var{m}3, remainder@var{m}3, cos@var{m}2, sin@var{m}2)
        (sincos@var{m}3, log@var{m}2, pow@var{m}3, atan2@var{m}3)
        (copysign@var{m}3): Likewise.
        (exp@var{m}2): Likewise.  Explicitly state the base.
        (floor@var{m}2): As for sqrt@var{m}2, but also specify the operands.
        (btrunc@var{m}2, rint@var{m}2): Likewise.
        (round@var{m}2): Likewise.  Fix incorrect description of rounding
        effect.
        (ceil@var{m}2): As for round@var{m}2.
        (nearbyint@var{m}2): As for floor@var{m}2, but also mention that
        the instruction must not raise an inexact condition.
        (scalb@var{m}3): Document previously-undocumented pattern
        (ldexp@var{m}3, tan@var{m}2, asin@var{m}2, acos@var{m}2)
        (atan@var{m}2, expm1@var{m}2, exp10@var{m}2, exp2@var{m}2)
        (log1p@var{m}2, log10@var{m}2, log2@var{m}2, logb@var{m}2)
        (significand@var{m}2): Likewise.
        (ffs@var{m}2): Fix the description of the modes, so that operand 1 has
        mode m and operand 0 is defined more freely.  Document that @var{m}
        can be a scalar or vector integer mode and that the pattern is not
        allowed to FAIL.
        (clz@var{m}2, ctz@var{m}2, popcount@var{m}2, parity@var{m}2): Likewise.
        (clrsb@var{m}2): Likewise, except that the description of the
        mode was missing in this case.

2015-12-03  Richard Sandiford  <richard.sandiford@arm.com>

        * internal-fn.def (RSQRT): New function.
        * optabs.def (rsqrt_optab): New optab.
        * doc/md.texi (rsqrtM2): Document.
        * target.def (builtin_reciprocal): Replace gcall argument with
        a function decl.  Restrict hook to machine functions.
        * doc/tm.texi: Regenerate.
        * targhooks.h (default_builtin_reciprocal): Update prototype.
        * targhooks.c (default_builtin_reciprocal): Likewise.
        * tree-ssa-math-opts.c: Include internal-fn.h.
        (internal_fn_reciprocal): New function.
        (pass_cse_reciprocals::execute): Call it, and build a call to an
        internal function on success.  Only call targetm.builtin_reciprocal
        for machine functions.
        * config/aarch64/aarch64-protos.h (aarch64_builtin_rsqrt): Remove
        second argument.
        * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin_rsqrt):
        Rename aarch64_rsqrt_<mode>2 to rsqrt<mode>2.
        (aarch64_builtin_rsqrt): Remove md_fn argument and only handle
        machine functions.
        * config/aarch64/aarch64.c (use_rsqrt_p): New function.
        (aarch64_builtin_reciprocal): Replace gcall argument with a
        function decl.  Use use_rsqrt_p.  Remove optimize_size check.
        Only handle machine functions.  Update call to aarch64_builtin_rsqrt.
        (aarch64_optab_supported_p): New function.
        (TARGET_OPTAB_SUPPORTED_P): Define.
        * config/aarch64/aarch64-simd.md (aarch64_rsqrt_<mode>2): Rename to...
        (rsqrt<mode>2): ...this.
        * config/i386/i386.c (use_rsqrt_p): New function.
        (ix86_builtin_reciprocal): Replace gcall argument with a
        function decl.  Use use_rsqrt_p.  Remove optimize_insn_for_size_p
        check.  Only handle machine functions.
        (ix86_optab_supported_p): Handle rsqrt_optab.
        * config/rs6000/rs6000.c (TARGET_OPTAB_SUPPORTED_P): Define.
        (rs6000_builtin_reciprocal): Replace gcall argument with a
        function decl.  Remove optimize_insn_for_size_p check.
        Only handle machine functions.
        (rs6000_optab_supported_p): New function.

2015-12-03  Bernd Schmidt  <bschmidt@redhat.com>

        PR target/68471
        PR target/68472
        * config/i386/i386.c (ix86_mitigate_rop): Don't call
        compute_bb_for_insn again.  Call df_insn_rescan_all.
        * config/i386/i386.md (set_got_rex64): Override modrm_class.

        * regrename.c (build_def_use): Ignore stack regs if regstack_completed.

2015-12-03  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx-protos.h (npvptx_section_from_addr_space): Delete.
        * config/nvptx/nvptx.c (enum nvptx_data_area): New.
        (SYMBOL_DATA_AREA, SET_SYMBOL_DATA_AREA): New defines.
        (nvptx_option_override): Set data ares for worker vars.
        (nvptx_addr_space_from_sym): Delete.
        (nvptx_encode_section_info): New.
        (section_for_sym, section_for_decl): New.
        (nvptx_maybe_convert_symbolic_operand): Get data area from symbol flags.
        (nvptx_section_from_addr_space): Delete.
        (nvptx_section_for_decl): Delete.
        (nvptx_output_aligned, nvptx_declare_object_name,
        nvptx_assemble_undefined_decl): Use section_for_decl, remove
        unnecessary checks.
        (nvptx_print_operand): Add 'D', adjust 'A'.
        (nvptx_expand_worker_addr): Adjust unspec generation.
        (TARGET_ENCODE_SECTION_INFO): Override.
        * config/nvptx/nvptx.h (ADDR_SPACE_GLOBAL, ADDR_SPACE_SHARED,
        ADDR_SPACE_CONST, ADDR_SPACE_LOCAL, ADDR_SPACE_PARAM): Delete.
        * config/nvptx/nvptx.md (UNSPEC_FROM_GLOBAL, UNSPEC_FROM_LOCAL,
        UNSPEC_FROM_PARAM, UNSPEC_FROM_SHARED, UNSPEC_FROM_CONST,
        UNSPEC_TO_GLOBAL, UNSPEC_TO_LOCAL, UNSPEC_TO_PARAM,
        UNSPEC_TO_SHARED, UNSPEC_TO_CONST): Delete.
        (UNSPEC_TO_GENERIC): New.
        (nvptx_register_or_symbolic_operand): Delete.
        (cvt_code, cvt_name, cvt_str): Delete.
        (convaddr_<cvt_name><mode> [P]): Delete.
        (convaddr_<mode> [P]): New.

2015-12-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68624
        * ifcvt.c (noce_try_cmove_arith): Check clobbers of temp regs in both
        blocks if they exist and simplify the logic choosing the order to emit
        them in.

2015-12-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66051
        * tree-vect-slp.c (vect_build_slp_tree_1): Remove restriction
        on load group size.  Do not pass in vectorization_factor.
        (vect_transform_slp_perm_load): Do not require any permute support.
        (vect_build_slp_tree): Do not pass in vectorization factor.
        (vect_analyze_slp_instance): Do not compute vectorization
        factor estimate.  Use vector size instead of vectorization factor
        estimate to split store groups for BB vectorization.

2015-12-03  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * cfgexpand.c (expand_gimple_stmt_1): Return statement with
        DECL as return value is allowed to have NULL bounds.

2015-12-03  Tom de Vries  <tom@codesourcery.com>

        * graphite-isl-ast-to-gimple.c (binary_op_to_tree)
        (gcc_expression_from_isl_expr_op): Guard isl_ast_op_zdiv_r usage with
        HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS.

2015-12-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67800
        PR tree-optimization/68333
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Restore
        restriction to reduction contexts but allow SLP reductions as well.
        (vect_recog_sad_pattern): Likewise.
        (vect_recog_widen_sum_pattern): Likewise.

2015-12-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68639
        * tree-vect-data-refs.c (dr_group_sort_cmp): Split groups
        belonging to different loops.
        (vect_analyze_data_ref_accesses): Likewise.

2015-12-02  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/sse.md (define_insn "vec_extract_hi_<mode>_maskm"):
        Remove "prefix_extra".
        (define_insn "vec_extract_hi_<mode>_mask"): New.
        (define_insn "vec_extract_hi_<mode>"): Remove masking.

2015-12-02  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-pure-const.c (ignore_edge_for_pure_const): New function.
        (propagate_pure_const): Use it; fix comments and optimize loops.

2015-12-02  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-pure-const.c (ignore_edge): Rename to ...
        (ignore_edge_for_nothrow) ... this one; also ignore eges to
        interposable functions or ones that can not throw.
        (propagate_nothrow): Fix handling of availability.

2015-12-02  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/68184
        * cgraphunit.c (cgraph_node::analyze): Set can_throw_external.

2015-12-02  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Handle
        isl_ast_op_zdiv_r.
        (gcc_expression_from_isl_expr_op): Same.

2015-12-02  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Check
        that insertion point is still in the region.

2015-12-02  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/68550
        * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Add dump.
        (copy_bb_and_scalar_dependences): Do not code generate loop peeled
        statements.

2015-12-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * configure.ac: Check assembler support for R_PPC64_ENTRY relocation.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p): New
        function.
        (rs6000_output_function_prologue): Use it instead of checking
        cfun->machine->r2_setup_needed.  Use internal labels instead of
        GNU as local label extension.  Handle ELFv2 large code model.
        (rs6000_output_mi_thunk): Do not set cfun->machine->r2_setup_needed.
        (rs6000_elf_declare_function_name): Handle ELFv2 large code model.

2015-12-02  Jakub Jelinek  <jakub@redhat.com>

        PR target/68647
        * optabs.c (expand_doubleword_popcount, expand_doubleword_parity):
        New functions.
        (expand_unop): Use them.

2015-12-02  Marek Polacek  <polacek@redhat.com>

        PR c++/68653
        * tree.c (nonnull_arg_p): Allow OFFSET_TYPE.

2015-12-02  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (enum nvptx_shuffle_kind): New.  Absorb
        SHUFFLE defines.
        (nvptx_gen_shuffle, nvptx_print_operand, nvptx_expand_shuffle): Adjust.

2015-12-02  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-dependences.c (scop_get_reads): Add extra dumps.
        (scop_get_must_writes): Same.
        (scop_get_may_writes): Same.
        (compute_deps): Same.
        * graphite-sese-to-poly.c (bounds_are_valid): New.
        (pdr_add_data_dimensions): Call bounds_are_valid.

2015-12-02  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * common.opt (flag_loop_optimize_isl): Renamed flag_loop_nest_optimize.
        * graphite-poly.c (apply_poly_transforms): Same.
        * graphite.c (gate_graphite_transforms): Same.
        * toplev.c (process_options): Same.

2015-12-02  Eric Botcazou  <ebotcazou@adacore.com>

        * config/mips/mips.c (mips_emit_probe_stack_range): Adjust.
        (mips_output_probe_stack_range): Rotate the loop and simplify.

2015-12-02  David Sherwood  <david.sherwood@arm.com>

        * config/aarch64/aarch64.md: New pattern.
        * config/aarch64/aarch64-simd.md: Likewise.
        * config/aarch64/iterators.md: New unspecs, iterators.

2015-12-02  Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.c (dwar2out_var_location): In addition to notes,
        process indirect calls whose target is compile-time known.
        Enhance pattern matching to get the SYMBOL_REF they embed.
        (gen_subprogram_die): Handle such calls.
        * final.c (final_scan_insn): For call instructions, invoke the
        var_location debug hook only after the call has been emitted.

2015-12-02  Tom de Vries  <tom@codesourcery.com>

        * gimplify.c (enum gimplify_omp_var_data): Add enum value
        GOVD_MAP_FORCE.
        (oacc_default_clause): Fix default for scalars in oacc kernels.
        (gimplify_adjust_omp_clauses_1): Handle GOVD_MAP_FORCE.

2015-12-02  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (install_var_field, scan_sharing_clauses): Add and handle
        parameter base_pointers_restrict.
        (omp_target_base_pointers_restrict_p): New function.
        (scan_omp_target): Call scan_sharing_clauses with
        base_pointers_restrict arg.

2015-12-02  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx-protos.h (nvptx_output_mov_insn): Declare.
        (nvptx_underlying_object_mode): Delete.
        * config/nvptx/nvptx.c (nvptx_underlying_object_mode): Delete.
        (output_reg): New.
        (nvptx_declare_function_name): Use output_reg.  Remove punning buffer.
        (nvptx_output_mov_insn): New.
        (nvptx_print_operand): Separate SUBREG handling, remove 'f' case,
        Use output_reg. Merge 't' and 'u' handling.
        * config/nvptx/nvptx.h (NVPTX_PUNNING_BUFFER_REGNUM): Delete.
        (struct machine_function): Remvoe punning_buffer_size.
        (REGISTER_NAMES): Remove %punbuffer.
        * config/nvptx/nvptx.md (UNSPEC_CPLX_LOWPART,
        UNSPEC_CPLX_HIGHPART): Delete.
        (*mov<mode>_insn [QHSDIM): Remove unnecessary constraints, use
        nvptx_output_mov_insn.
        (*mov<mode>_insn [SDFM): Reorder constraints to match integer moc.
        Use nvptx_output_mov_insn.
        (highpartscsf2,  set_highpartscsf2, lowpartscsf2, set_lowpartscsf2):
        Delete.
        (mov<mode> [SDCM]): Delete.

2015-12-02  Richard Biener  <rguenther@suse.de>

        * tree.h (tree_invariant_p): Declare.
        * tree.c (tree_invariant_p): Export.
        * genmatch.c (dt_simplify::gen_1): For GENERIC code-gen never
        create SAVE_EXPRs but reject patterns if we would need to.

2015-12-02  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (find_func_aliases_for_builtin_call)
        (find_func_clobbers, ipa_pta_execute): Handle BUILT_IN_GOACC_PARALLEL.

2015-12-02  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (cstore_si_as_di): New expander.
        (cstore<mode>4): Use it.

2015-12-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68625
        * tree-cfgcleanup.c (cleanup_tree_cfg_bb): Do not call
        cleanup_control_flow_bb.
        (cleanup_tree_cfg_1): First perform cleanup_control_flow_bb
        on all BBs, then cleanup_tree_cfg_bb and finally iterate
        over the worklist doing both.

2015-12-02  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/68432
        * coretypes.h (optimization_type): New enum.
        * doc/tm.texi.in (TARGET_OPTAB_SUPPORTED_P): New hook.
        * doc/tm.texi: Regenerate.
        * target.def (optab_supported_p): New hook.
        * targhooks.h (default_optab_supported_p): Declare.
        * targhooks.c (default_optab_supported_p): New function.
        * predict.h (function_optimization_type): Declare.
        (bb_optimization_type): Likewise.
        * predict.c (function_optimization_type): New function.
        (bb_optimization_type): Likewise.
        * optabs-query.h (convert_optab_handler): Define an overload
        that takes an optimization type.
        (direct_optab_handler): Likewise.
        * optabs-query.c (convert_optab_handler): Likewise.
        (direct_optab_handler): Likewise.
        * internal-fn.h (direct_internal_fn_supported_p): Take an
        optimization_type argument.
        * internal-fn.c (direct_optab_supported_p): Likewise.
        (multi_vector_optab_supported_p): Likewise.
        (direct_internal_fn_supported_p): Likewise.
        * builtins.c (replacement_internal_fn): Update call to
        direct_internal_fn_supported_p.
        * gimple-match-head.c (build_call_internal): Likewise.
        * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
        * tree-vect-stmts.c (vectorizable_internal_function): Likewise.
        * tree.c (maybe_build_call_expr_loc): Likewise.
        * config/i386/i386.c (ix86_optab_supported_p): New function.
        (TARGET_OPTAB_SUPPORTED_P): Define.
        * config/i386/i386.md (asinxf2): Remove optimize_insn_for_size_p check.
        (asin<mode>2, acosxf2, acos<mode>2, log1pxf2, log1p<mode>2)
        (expNcorexf3, expxf2, exp<mode>2, exp10xf2, exp10<mode>2, exp2xf2)
        (exp2<mode>2, expm1xf2, expm1<mode>2, ldexpxf3, ldexp<mode>3)
        (scalbxf3, scalb<mode>3, rint<mode>2, round<mode>2)
        (<rounding_insn>xf2, <rounding_insn><mode>2): Likewise.

2015-12-02  Richard Sandiford  <richard.sandiford@arm.com>

        * Makefile.in (GENSUPPORT_H): New macro.
        (build/gensupport.o, build/read-rtl.o, build/genattr.o)
        (build/genattr-common.o, build/genattrtab.o, build/genautomata.o)
        (build/gencodes.o, build/genconditions.o, build/genconfig.o)
        (build/genconstants.o, build/genextract.o, build/genflags.o)
        (build/gentarget-def.o): Use it.
        (build/genemit.o): Likewise.  Depend on internal-fn.def.
        * genopinit.c: Move block comment to optabs.def.
        (optab_tag, optab_def): Move to gensupport.h
        (pattern): Likewise, renaming to optab_pattern.
        (match_pattern): Move to gensupport.c
        (gen_insn): Use find_optab.
        (patterns, pattern_cmp): Replace pattern with optab_pattern.
        (main): Likewise.  Use num_optabs.
        * optabs.def: Add comment that was previously in genopinit.c.
        * gensupport.h (optab_tag): Moved from genopinit.c
        (optab_def): Likewise, expanding commentary.
        (optab_pattern): Likewise, after renaming from pattern.
        (optabs, num_optabs, find_optab): Declare.
        * gensupport.c (optabs): Moved from genopinit.c.
        (num_optabs): New variable.
        (match_pattern): Moved from genopinit.c.
        (find_optab): New function, extracted from genopinit.c:gen_insn.
        * genemit.c (nofail_optabs): New variable.
        (emit_c_code): New function.
        (gen_expand): Check whether the instruction is an optab that isn't
        allowed to fail.  Call emit_c_code.
        (gen_split): Call emit_c_code here too.
        (main): Initialize nofail_optabs.  Don't emit FAIL and DONE here.

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/predicates.md (const_mask_operand): New predicate.
        * config/s390/s390-builtins.def: Set a smaller bitmask
        for a few builtins.
        * config/s390/vector.md: Change predicate from immediate_operand
        to either const_int_operand or const_mask_operand.  Add special
        insn conditions on patterns which have to exclude certain values.
        * config/s390/vx-builtins.md: Likewise.

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vector.md ("*vec_set<mode>"): Change shift count
        mode from DI to SI.

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-builtin-types.def: New builtin types added.
        * config/s390/s390-builtins.def: Add s390_vec_splat_* definitions.
        * config/s390/s390.c (s390_expand_builtin): Always truncate
        constants to the mode in the pattern.
        * config/s390/vecintrin.h: Let the vec_splat_* macros point to the
        respective builtin __builtin_s390_vec_splat_*.

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-builtin-types.def: Sort builtin types.

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-c.c (s390_get_vstring_flags): Invert the
        condition for the RT flag.

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/constraints.md ("jKK"): New constraint.
        * config/s390/s390.c (tm-constrs.h): Include for
        satisfies_constraint_*.
        (s390_legitimate_constant_p): Allow jKK constants.  Use
        satisfies_constraint_* also for the others.
        (legitimate_reload_vector_constant_p): Likewise.
        (print_operand): Allow h output modifier on vectors.
        * config/s390/vector.md ("mov<mode>"): Add vrepi.

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vector.md ("*vec_splats<mode>"): Fix constraint
        letter I->K.

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("bswap<mode>2"): Add support for strv and strvg.
        ("bswaphi2"): New pattern.
        New splitter for HI reg-reg bswap.

2015-11-27  Jiri Engelthaler  <engycz@gmail.com>

        PR driver/68029
        * opts-common.c (prune_options): Don't ignore -fdiagnostics-color
        if it is the first parameter.

2015-12-01  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/68577
        * tree-vect-stmts.c (simple_integer_narrowing): New function.
        (vectorizable_call): Restrict internal function handling
        to NONE and NARROW cases, using simple_integer_narrowing
        to test for the latter.  Add cost of narrowing operation
        and insert it where necessary.

2015-12-01  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/rs6000/freebsd64.h (ELFv2_ABI_CHECK): Add new macro.
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Use it to decide whether to set
        rs6000_current_abi to ABI_AIX or ABI_ELFv2.

2015-12-01  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx-protos.h (nvptx_output_aligned_decl): Declare.
        * config/nvptx/nvptx.h (ASM_OUTPUT_ALIGNED_DECL_COMMON,
        ASM_OUTPUT_ALIGNED_DECL_LOCAL): Forward to nvptx_output_aligned_decl.
        * config/nvptx/nvptx.c (write_fn_marker, write_var_marker): New.
        (write_fn_proto, write_fn_proto_from_insn): Call write_fn_marker.
        (init_output_initializer): Call write_var_marker.
        (nvptx_output_aligned_decl): New.
        (nvptx_assemble_undefined_decl, nvptx_file_end): Call write_var_marker.

2015-12-01  Jan Hubicka  <hubicka@ucw.cz>

        * c-common.c (parse_optimize_options): Do not silently ignore
        -fstrict-aliasing changes.

2015-12-01  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (hash_tree): Do not stream TYPE_ALIAS_SET.
        * tree-streamer-out.c (pack_ts_type_common_value_fields): Do not
        stream TYPE_ALIAS_SET.
        * tree-streamer-in.c (unpack_ts_type_common_value_fields): Do not
        stream TYPE_ALIAS_SET.

2015-12-01  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_function_arg_advance): Don't
        consider mode.

2015-12-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (const_load_sequence_p): Handle extra
        indirection for large and small code models.
        (adjust_vperm): Likewise.

2015-12-01  Julian Brown  <julian@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            James Norris  <James_Norris@mentor.com>

        * gimple-pretty-print.c (dump_gimple_omp_target): Add host_data support.
        * gimple.h (gf_mask): Add GF_OMP_TARGET_KIND_OACC_HOST_DATA.
        (is_gimple_omp_oacc): Add support for above.
        * gimplify.c (omp_region_type): Add ORT_ACC_HOST_DATA.
        (omp_notice_variable): Diagnose undefined implicit uses of
        use_device variables in offloaded regions.
        (gimplify_scan_omp_clauses): Add host_data, use_device
        support. Diagnose undefined mapping of use_device variables in
        OpenACC clauses.
        (gimplify_omp_workshare): Add host_data support.
        (gimplify_expr): Likewise.
        * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): New.
        * omp-low.c (lookup_decl_in_outer_ctx)
        (maybe_lookup_decl_in_outer_ctx): Add optional argument to skip
        host_data regions.
        (scan_sharing_clauses): Support use_device.
        (check_omp_nesting_restrictions): Support host_data.
        (expand_omp_target): Support host_data.
        (lower_omp_target): Skip over outer host_data regions when looking
        up decls. Support use_device.
        (make_gimple_omp_edges): Support host_data.
        * tree-nested.c (convert_nonlocal_omp_clauses): Add use_device clause.

2015-12-01  Marek Polacek  <polacek@redhat.com>

        PR middle-end/68582
        * cgraphunit.c (check_global_declaration): Only depend
        on TREE_THIS_VOLATILE for VAR_DECLs.

2015-12-01  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/68474
        * tree-call-cdce.c (use_internal_fn): Protect call to
        gen_shrink_wrap_conditions.

2015-12-01  Christian Bruel  <christian.bruel@st.com>

        PR target/68617
        * config/arm/arm.opt (unaligned_access): Save.
        * config/arm/arm-c.c (__ARM_FEATURE_UNALIGNED): Conditionally define.
        * config/arm/arm.c (arm_option_override): Move unaligned_access setting.
        (arm_option_override_internal): ... here.
        * config/arm/arm.h (TARGET_32BIT_P): New macro.

2015-12-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68379
        * tree-vect-stmts.c (vectorizable_load): For BB vectorization
        always base loads on the first used DR of a group.
        * tree-vect-data-refs.c (vect_slp_analyze_and_verify_node_alignment):
        Compute alignment of the first scalar element unconditionally.

2015-12-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/68590
        * genmatch.c (struct capture_info): Add match_use_count.
        (capture_info::walk_match): Increment match_use_count.
        (dt_simplify::gen_1): For GENERIC, only wrap multi-use
        replacements in a save_expr if they occur more often than
        in the original expression.

2015-12-01  Richard Biener  <rguenther@suse.de>

        PR ipa/68470
        * ipa-split.c (split_function): Handle main part not returning.

2015-12-01  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR middle-end/68595
        * tree-vect-stmts.c (vect_init_vector): Cast boolean
        scalars to a proper value before building a vector.

2015-12-01  Richard Sandiford  <richard.sandiford@arm.com>

        * genattrtab.c (check_attr_test): Take an attr_desc instead of
        an is_const flag.  Put the file_location argument first.
        Update recursive calls.  Improve error messages.
        (check_attr_value): Take a file location and use it instead
        of attr->loc.  Improve error messages.  Update calls to
        check_attr_test.
        (check_defs): Update call to check_attr_value.
        (make_canonical): Likewise.
        (gen_attr): Likewise.
        (main): Likewise.
        (gen_insn_reserv): Update call to check_attr_test.

2015-12-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64.c (aarch64_builtin_reciprocal): Fix typo.

2015-12-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/68590
        * match.pd: Merge (eq @0 @0) and (ge/le @0 @0) patterns.

2015-12-01  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (type_with_linkage_p, type_in_anonymous_namespace_p,
        odr_type_p): Move to ...
        * ipa-utils.h (type_with_linkage_p, type_in_anonymous_namespace_p,
        odr_type_p): here; miscro-optimize.

2015-12-01  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/68529
        * tree-ssa-loop-niter.c (number_of_iterations_ne): Add new param.
        Compute no-overflow information for control iv.
        (number_of_iterations_lt, number_of_iterations_le): Add new param.
        (number_of_iterations_cond): Pass new argument to above functions.

2015-11-30  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-transform.c (inline_call): Drop -fstrict-aliasing when
        inlining -fno-strict-aliasing into -fstrict-aliasing body.

2015-11-30  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/68565
        * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Early return on
        codegen_error.  Fail when rhs of division operations is integer_zerop.
        (ternary_op_to_tree): Early return on codegen_error.
        (unary_op_to_tree): Same.
        (nary_op_to_tree): Same.
        (gcc_expression_from_isl_expr_op): Same.
        (gcc_expression_from_isl_expression): Same.
        (graphite_create_new_loop): On codegen_error continue generating
        wrong code.
        (graphite_create_new_loop_guard): Same.
        (build_iv_mapping): Same.
        (graphite_create_new_guard): Same.

2015-11-30  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c: Fix dump messages.
        * graphite-scop-detection.c: Same.
        * graphite-sese-to-poly.c (isl_id_for_ssa_name): Do not call get_name.

2015-11-30  Cesar Philippidis  <cesar@codesourcery.com>

        * tree-nested.c (convert_nonlocal_omp_clauses): Add support for
        OMP_CLAUSE_{NUM_GANGS,NUM_VECTORS,VECTOR_LENGTH,SEQ}.
        (convert_local_omp_clauses): Likewise.

2015-11-30  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/46032
        * tree-ssa-structalias.c (find_func_aliases_for_call_arg): New function,
        factored out of ...
        (find_func_aliases_for_call): ... here.
        (find_func_aliases_for_builtin_call, find_func_clobbers): Handle
        BUILT_IN_GOMP_PARALLEL.
        (ipa_pta_execute): Same.  Handle node->parallelized_function as a local
        function.

2015-11-30  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/68501
        * target.def (builtin_reciprocal): Replace the 3 arguments with
        a gcall * one, adjust description.
        * targhooks.h (default_builtin_reciprocal): Replace the 3 arguments
        with a gcall * one.
        * targhooks.c (default_builtin_reciprocal): Likewise.
        * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Use
        targetm.builtin_reciprocal even on internal functions, adjust
        the arguments and allow replacing an internal function with normal
        built-in.
        * config/i386/i386.c (ix86_builtin_reciprocal): Replace the 3 arguments
        with a gcall * one.  Handle internal fns too.
        * config/rs6000/rs6000.c (rs6000_builtin_reciprocal): Likewise.
        * config/aarch64/aarch64.c (aarch64_builtin_reciprocal): Likewise.
        * doc/tm.texi (builtin_reciprocal): Document.

2015-11-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68592
        * tree-vect-loop.c (vect_analyze_loop_2): Reset SLP type also
        on the pattern def sequence.

2015-11-30  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_name_replacement): Move earlier.
        (write_one_arg): Reorder parms, add 'sep' param.
        (nvptx_write_function_decl): Rename to ...
        (write_fn_proto): ... here.  Do name replacement. Emit linaer
        comment marker. Deal with both decls and defns. Simplify argument
        formatting.
        (write_function_decl_and_comment): Delete.
        (write_func_decl_from_insn): Rename to ...
        (write_fn_proto_from_insn): ... here.  Don't do name replacement.
        (nvptx_record_fndecl): Call write_fn_proto.
        (nvptx_record_libfunc): Call write_fn_proto_from_insn.
        (nvptx_declare_function_name): Adjust for write_fn_proto changes.
        (nvotx_output_call_insn): Call write_fn_prot_from_insn.

2015-11-30  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.md (define_mode_iterator SWI1248_AVX512BW): New.
        (define_insn "*k<logic><mode>"): Use new iterator.

2015-11-30  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/28115
        * config/sparc/sparc.c (supersparc_adjust_cost): Fix thinko.
        (sparc_adjust_cost): Add missing space.

2015-11-30  Richard Biener  <rguenther@suse.de>

        PR c/68162
        * dwarf2out.c (gen_type_die_with_usage): Keep variant types of arrays.

2015-11-30  Venkataramanan Kumar  <Venkataramanan.Kumar@amd.com>

        * tree-if-conv.c (struct ifc_dr): Add new tree base_predicate field.
        (hash_memrefs_baserefs_and_store_DRs_read_written_info): Hash
        base ref, DR pairs and store base_predicate for write type DRs.
        (ifcvt_memrefs_wont_trap): Guard checks with
        -ftree-loop-if-convert-stores flag.

2015-11-29  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_node::make_local): No name is unique during
        incremental linking.
        * cgraph.h (can_be_discarded_p): Update comment; also common and
        WEAK in named sections can be discarded; when doing incremental
        link do not rely on resolution being the final one.
        * varasm.c (default_binds_local_p_3, decl_binds_to_current_def_p):
        When symbol can be discarded, do not rely on resolution info.
        * symtab.c (symtab_node::nonzero_address): Take into account that
        symbol can be discarded.
        * ipa-visibility.c (update_visibility_by_resolution_info): Handle
        definition correctly.
        (function_and_variable_visibility): Do not set unique_name when
        incrementally linking.

2015-11-29  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.md (const_0_operand, global_mem_operand,
        const_mem_operand, param_mem_operand, shared_mem_operand): Delete.
        (ctrap<mode>): Use const0_operand.

2015-11-29  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (add_type_duplicate): Remove redundant
        ODR violation dump.

2015-11-29  David Edelsohn  <dje.gcc@gmail.com>

        PR target/28115
        * config/rs6000/rs6000.c (rs6000_adjust_cost): Correct
        recog_memoized test for insn and check recog_memoized for dep_insn.

2015-11-28  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.h (FIRST_PARM_OFFSET): Add void cast.
        (FRAME_POINTER_CFA_OFFSET): Define.
        (struct nvptx_args): Use 'tree' type.
        (INIT_CUMULATIVE_ARGS): Remove unnecessary do...while.

2015-11-28  Tom de Vries  <tom@codesourcery.com>

        * lto-wrapper.c (run_gcc): Handle -flinker-output argument.

2015-11-27  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (Option Summary): Use negative form of
        -Waggressive-loop-optimizations, remove redundant -Wpedantic-ms-format,
        sort alphabetically and re-justify.

2015-11-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68536
        * lra.c (lra_emit_add): Add code for null base.
        * lra-constraints.c (curr_insn_transform): Skip operators for
        subreg reloads.

2015-11-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        Revert
        2015-11-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * ifcvt.c (insn_valid_noce_process_p): Reject insn if it satisfies
        multiple_sets.
        (noce_try_cmove_arith): Add checking asserts that orig_a and orig_b
        are not modified by the final modified insns in the basic blocks.

2015-11-27  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx-protos.h (nvptx_addr_space_from_address):
        Don't declare.
        * config/nvptx/nvptx.c (nvptx_addr_space_from_sym): New.
        (nvptx_maybe_convert_symbolic_operand): Simplify.
        (nvptx_addr_space_from_address): Delete.
        (nvptx_print_operand): Adjust 'A' case.

2015-11-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68559
        * tree-vect-data-refs.c (vect_analyze_group_access_1): Move
        peeling for gap checks ...
        * tree-vect-stmts.c (vectorizable_load): ... here and relax for SLP.
        * tree-vect-loop.c (vect_analyze_loop_2): Re-set
        LOOP_VINFO_PEELING_FOR_GAPS before re-trying without SLP.

2015-11-27  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx-protos.h (nvptx_record_needed_decl): Don't declare.
        * config/nvptx/nvptx.c (write_func_decl_from_insn): Move earlier.
        (nvptx_record_fndecl): Don't return value, remove force
        argument. Require fndecl.
        (nvptx_record_libfunc): New.
        (nvptx_record_needed_decl): Deteermine how to record decl here.
        (nvptx_maybe_record_fnsym): New.
        (nvptx_expand_call): Don't record libfuncs here,
        (nvptx_maybe_convert_symbolic_operand): Use
        nvptx_maye_record_fnsym.
        (nvptx_assemble_integer): Reimplement with single switch.
        (nvptx_output_call_insn): Register libfuncs here.
        (nvptx_file_end): Adjust  nvptx_record_fndecl call.
        * config/nvptx/nvptx.md (expand_movdi): Don't call
        nvptx_record_needed_decl.

2015-11-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68553
        * tree-vect-slp.c (vect_create_mask_and_perm): Skip VEC_PERM_EXPR
        generation for 1:1 permutations.
        (vect_transform_slp_perm_load): Detect 1:1 permutations.

2015-11-27  Bernd Schmidt  <bschmidt@redhat.com>

        * gimple.h (nonbarrier_call_p): Declare.
        * gimple.c (nonbarrier_call_p): New function.
        * tree-ssa-phiopt.c (nontrapping_dom_walker::before_dom_children):
        Also increment call phase for ASMs with vdef and potential barrier
        calls.

2015-11-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * ifcvt.c (insn_valid_noce_process_p): Reject insn if it satisfies
        multiple_sets.
        (noce_try_cmove_arith): Add checking asserts that orig_a and orig_b
        are not modified by the final modified insns in the basic blocks.

2015-11-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68506
        * ifcvt.c (noce_try_cmove_arith): Try emitting the else basic block
        first if emit_a exists or then_bb modifies 'b'.  Reindent if-else
        blocks.

2015-11-27  Martin Liska  <mliska@suse.cz>

        PR c++/68312
        * vec.h (release_vec_vec): New function.

2015-11-27  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/68552
        * optabs.c (expand_vec_perm_1): Move vec_shr handling from here...
        (expand_vec_perm): ... here.  Do it regardless of vec_perm_const_optab
        or whether v0 == v1.

2015-11-27  Martin Liska  <mliska@suse.cz>

        * tree-ssa-uninit.c: Fix whitespaces in the source file.
        The change is just automatical.

2015-11-27  Martin Liska  <mliska@suse.cz>

        * tree-chkp.c (chkp_make_static_bounds): Release buffer
        used for string.

2015-11-27  Martin Liska  <mliska@suse.cz>

        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
        Do not release memory for comp_alias_ddrs.
        * tree-vect-loop.c (destroy_loop_vec_info): Release
        the memory for all loop_vec_info.

2015-11-27  Martin Liska  <mliska@suse.cz>

        * ipa-devirt.c (ipa_devirt): Use auto_vec instead
        of a local-scope vec.
        (struct final_warning_record): Use auto_vec instead of vec.

2015-11-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68553
        * tree-vect-slp.c (vect_get_mask_element): Remove.
        (vect_transform_slp_perm_load): Implement in a simpler way.

2015-11-26  Alexandre Oliva <aoliva@redhat.com>

        PR rtl-optimization/67753
        PR rtl-optimization/64164
        * function.c (assign_parm_setup_block): Right-shift
        upward-padded big-endian args when bypassing the stack slot.

2015-11-26  Maciej W. Rozycki  <macro@imgtec.com>

        * doc/invoke.texi (Option Summary) <MIPS Options>: Reorder
        `-mcompact-branches='.
        (MIPS Options): Likewise.

2015-11-26  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (build/genmatch.o): Depend on internal-fn.def.

2015-11-26  David Edelsohn  <dje.gcc@gmail.com>

        * doc/install.texi (Prerequisites): Increase ISL requirement to
        0.14 or 0.15.

2015-11-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/arm_neon.h
        (vqrdmlah_laneq_s16, vqrdmlah_laneq_s32): New.
        (vqrdmlahq_laneq_s16, vqrdmlahq_laneq_s32): New.
        (vqrdmlsh_lane_s16, vqrdmlsh_lane_s32): New.
        (vqrdmlshq_laneq_s16, vqrdmlshq_laneq_s32): New.
        (vqrdmlah_lane_s16, vqrdmlah_lane_s32): New.
        (vqrdmlahq_lane_s16, vqrdmlahq_lane_s32): New.
        (vqrdmlahh_s16, vqrdmlahh_lane_s16, vqrdmlahh_laneq_s16): New.
        (vqrdmlahs_s32, vqrdmlahs_lane_s32, vqrdmlahs_laneq_s32): New.
        (vqrdmlsh_lane_s16, vqrdmlsh_lane_s32): New.
        (vqrdmlshq_lane_s16, vqrdmlshq_lane_s32): New.
        (vqrdmlshh_s16, vqrdmlshh_lane_s16, vqrdmlshh_laneq_s16): New.
        (vqrdmlshs_s32, vqrdmlshs_lane_s32, vqrdmlshs_laneq_s32): New.

2015-11-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/arm_neon.h (vqrdmlah_s16, vqrdmlah_s32): New.
        (vqrdmlahq_s16, vqrdmlahq_s32): New.
        (vqrdmlsh_s16, vqrdmlsh_s32): New.
        (vqrdmlshq_s16, vqrdmlshq_s32): New.

2015-11-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add
        ARM_FEATURE_QRDMX.

2015-11-26  Pierre-Marie de Rodat  <derodat@adacore.com>

        PR debug/53927
        * tree-nested.c (finalize_nesting_tree_1): Append a field to
        hold the frame base address.
        * dwarf2out.c (gen_subprogram_die): Generate for
        DW_AT_static_link a location description that computes the value
        of this field.

2015-11-26  Tom de Vries  <tom@codesourcery.com>

        revert:
        2015-11-25  Tom de Vries  <tom@codesourcery.com>

        * cfgloop.c (find_single_latch): New function, factored out of ...
        (flow_loops_find): ... here.
        (verify_loop_structure): Improve verification of loop->latch.
        * cfgloop.h (find_single_latch): Declare.
        * omp-low.c (expand_omp_for_generic): Initialize latch of orig_loop.

2015-11-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-simd-builtins.def:
        Add missing changes from r230962.

2015-11-26  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (write_func_decl_from_insn): Replace callee
        arg with name.  Don't deal with split regs.  Tweak formatting.
        (nvptx_expand_call): Adjust write_func_decl_from_insn call.
        (nvptx_output_call_insn): Don't deal with split regs here.

2015-11-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-simd-builtins.def
        (sqrdmlah, sqrdmlsh): New.
        (sqrdmlah_lane, sqrdmlsh_lane): New.
        (sqrdmlah_laneq, sqrdmlsh_laneq): New.

2015-11-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_sqmovun<mode>): Fix some white-space.
        (aarch64_<sur>qmovun<mode>): Likewise.
        (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h<mode>): New.
        (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): New.
        (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): New.
        * config/aarch64/iterators.md (UNSPEC_SQRDMLAH): New.
        (UNSPEC_SQRDMLSH): New.
        (SQRDMLH_AS): New.
        (rdma_as): New.

2015-11-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66721
        * tree-vect-loop.c (vect_analyze_loop_2): Compute scalar
        iteration cost earlier.  Re-do analysis without SLP when
        vectorization using SLP fails and without has a chance to succeed.

2015-11-26  Richard Biener  <rguenther@suse.de>

        * genmatch.c (dt_simplify::gen_1): For generic wrap all
        multi-result-use captures in a SAVE_EXPR.

2015-11-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64.h (AARCH64_ISA_RDMA): New.
        (TARGET_SIMD_RDMA): New.

2015-11-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * combine.c (subst): Do not return clobber of zero in widening mult
        case.  Just return x unchanged if it is a no-op substitution.

2015-11-26  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/68416
        * config/i386/i386.h (enum reg_class): Add
        bounds registers to ALL_REGS.

2015-11-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/68128
        * tree.h (OMP_CLAUSE_SHARED_READONLY): Define.
        * gimplify.c: Include gimple-walk.h.
        (enum gimplify_omp_var_data): Add GOVD_WRITTEN.
        (omp_notice_variable): Set flags to n->value if n already
        exists in target region, but we need to jump to do_outer.
        (omp_shared_to_firstprivate_optimizable_decl_p,
        omp_mark_stores, omp_find_stores_op, omp_find_stores_stmt): New
        functions.
        (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_SHARED_READONLY
        on OMP_CLAUSE_SHARED if it is a scalar non-addressable that is
        not modified in the body.  Call omp_mark_stores for outer
        contexts on OMP_CLAUSE_SHARED clauses if they could be written
        in the body or on OMP_CLAUSE_LASTPRIVATE.
        (gimplify_adjust_omp_clauses): Add body argument, call
        omp_find_stores_{stmt,op} on the body through walk_gimple_seq.
        Set OMP_CLAUSE_SHARED_READONLY
        on OMP_CLAUSE_SHARED if it is a scalar non-addressable that is
        not modified in the body.  Call omp_mark_stores for outer
        contexts on OMP_CLAUSE_SHARED clauses if they could be written
        in the body or on OMP_CLAUSE_LASTPRIVATE or on OMP_CLAUSE_LINEAR
        without OMP_CLAUSE_LINEAR_NO_COPYOUT or on OMP_CLAUSE_REDUCTION.
        (gimplify_oacc_cache, gimplify_omp_parallel, gimplify_omp_task,
        gimplify_omp_for, gimplify_omp_workshare, gimplify_omp_target_update,
        gimplify_expr): Adjust gimplify_adjust_omp_clauses callers.
        * tree-nested.c (convert_nonlocal_omp_clauses,
        convert_local_omp_clauses): Clear OMP_CLAUSE_SHARED_READONLY on
        non-local vars or local vars referenced from nested routines.
        * omp-low.c (scan_sharing_clauses): For OMP_CLAUSE_SHARED_READONLY
        attempt to optimize it into OMP_CLAUSE_FIRSTPRIVATE.  Even for
        TREE_READONLY, don't call use_pointer_for_field with non-NULL
        second argument until we are sure we are keeping OMP_CLAUSE_SHARED.

2015-11-26  Paolo Bonzini <bonzini@gnu.org>

        * doc/implement-c.texi (Integers Implementation): Make GCC's promises
        about signed left shift stronger and clarify the cases when they're
        broken.

2015-11-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
            Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/67226
        * calls.c (store_one_arg): Take into account
        crtl->args.pretend_args_size when checking for overlap between
        arg->value and argblock + arg->locate.offset during sibcall
        optimization.

2015-11-26  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (cbranch<mode>4): Use
        aarch64_fp_compare_operand.
        (store_pairsf): Use aarch64_reg_or_fp_zero.
        (store_pairdf): Likewise.
        (cstore<mode>4): Use aarch64_fp_compare_operand.
        (cmov<mode>6): Likewise.
        * config/aarch64/aarch64-ldpstp.md: Use aarch64_reg_or_fp_zero.

2015-11-25  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/68453
        * graphite-isl-ast-to-gimple.c (translate_isl_ast_for_loop): Do
        not redirect edges already pointing to their destination.
        (translate_isl_ast_node_for): Split edges after loops to create
        basic blocks for close phi nodes.  Save merge points at the end of
        a loop guard.
        (translate_isl_ast_node_if): Save merge points at the end of the
        if region.
        (add_close_phis_to_outer_loops): New.
        (add_close_phis_to_merge_points): New.
        (copy_loop_close_phi_args): Call add_close_phis_to_merge_points.
        (copy_bb_and_scalar_dependences): Do not split basic blocks on
        loop close phi locations.

2015-11-25  Jan Hubicka  <jh@suse.cz>

        * ipa-visibility.c (cgraph_externally_visible_p,
        varpool_node::externally_visible_p): When doing incremental linking,
        hidden symbols may be still used later.
        (update_visibility_by_resolution_info): Do not drop weak during
        incremental link.
        (function_and_variable_visibility): Fix formating.
        * flag-types.h (lto_linker_output): Declare.
        * common.opt 9flag_incremental_link): New flag.

2015-11-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/constraints.md (wb constraint): New constraint for
        ISA 3.0 d-form scalar addressing.

        * config/rs6000/rs6000.c (mode_supports_vmx_dform): Add support
        for ISA 3.0 D-form addressing to load SFmode/DFmode scalars into
        Altivec registers.  Add wb constraint for Altivec registers with
        D-form addressing.  If we have ISA 3.0 d-form support, undo
        secondary reload support for using FPR registers if we want to do
        D-form addressing.
        (rs6000_debug_reg_global): Likewise.
        (rs6000_setup_reg_addr_masks): Likewise.
        (rs6000_init_hard_regno_mode_ok): Likewise.
        (rs6000_secondary_reload): Likewise.
        (rs6000_preferred_reload_class): Likewise.
        (rs6000_secondary_reload_class): Likewise.

        * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Add wb
        constraint.

        * config/rs6000/rs6000.md (f32_lr2 mode attribute): Add support
        for ISA 3.0 SFmode/DFmode d-form addressing to Altivec registers.
        (f32_lm2): Likewise.
        (f32_li2): Likewise.
        (f32_sr2): Likewise.
        (f32_sm2): Likewise.
        (f32_si2): Likewise.
        (f64_p9): Likewise.
        (extendsfdf2_fpr): Likewise.
        (mov<mode>_hardfloat): Likewise.
        (mov<mode>_hardfloat32): Likewise.
        (mov<mode>_hardfloat64): Likewise.

        * doc/md.texi (RS/6000 constraints): Document wb constraint.
        Fixup we constraint documentation.

2015-11-25  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (pass_expand_omp_ssa::clone): New function.
        * passes.def: Add pass_oacc_kernels pass group.
        * tree-ssa-loop-ch.c (pass_ch::clone): New function.

2015-11-25  Tom de Vries  <tom@codesourcery.com>

        * tree-pass.h (make_pass_oacc_kernels, make_pass_oacc_kernels2):
        Declare.
        * tree-ssa-loop.c (gate_oacc_kernels): New static function.
        (pass_data_oacc_kernels, pass_data_oacc_kernels2): New pass_data.
        (class pass_oacc_kernels, class pass_oacc_kernels2): New pass.
        (make_pass_oacc_kernels, make_pass_oacc_kernels2): New function.

2015-11-25  Jan Hubicka  <hubicka@ucw.cz>

        * timevar.def (TV_IPA_LTO_DECOMPRESS, TV_IPA_LTO_COMPRESS,
        TV_IPA_LTO_OUTPUT): New.
        * lto-compress.c: Include timevar.h
        (lto_end_compression, lto_end_uncompression): Add timers.
        * langhooks.c: Include timevar.h.
        (lhd_append_data): Add timer.

2015-11-25  Jan Hubicka  <hubicka@ucw.cz>

        * varasm.c (default_elf_asm_output_limited_string,
        default_elf_asm_output_ascii): Replace fprintf by putc.

2015-11-25  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/67954
        * lra-constraints.c (curr_insn_transform): Add check on scratch
        pseudo when change class to NO_REGS.  Add an assert.

2015-11-25  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.md (load_arg_reg<mode>): Arg number
        constraint is 'n'.
        * config/nvptx/nvptx.c (write_one_arg): Use 'i' directly as arg number.
        (nvptx_write_function_decl): Number args from 0.
        (nvptx_declare_function_name): Likewise.
        (nvptx_function_incoming_arg): Likewise.
        (nvptx_output_call_insn): Correct formatting.

2015-11-25  David Sherwood  <david.sherwood@arm.com>

        * optabs.def: Add new optabs fmax_optab/fmin_optab.
        * internal-fn.def: Add new fmax/fmin internal functions.
        * doc/md.texi: Add fmin and fmax patterns.

2015-11-25  Jason Merrill  <jason@redhat.com>

        PR c++/68385
        * tree.c (integer_zerop, integer_onep, integer_each_onep)
        (integer_all_onesp, integer_minus_onep, integer_pow2p)
        (integer_nonzerop, integer_truep, tree_log2, tree_floor_log2)
        (real_zerop, real_onep, real_minus_onep): Remove STRIP_NOPS.

2015-11-25  Richard Biener  <rguenther@suse.de>

        PR middle-end/68528
        * fold-const.c (fold_binary_loc): Do not call negate_expr_p
        on stripped operands.

2015-11-25  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (walk_args_for_params): Delete.
        (nvptx_declare_function_name): Move assignments next to register
        declarations, and process params here.

2015-11-25  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_declare_alias): Rename and globalize
        both the symbol and the "dot" symbol for function descriptors. Fix
        inversion for rename of symbols with dollar sign.

2015-11-25  Tom de Vries  <tom@codesourcery.com>

        * cfgloop.c (find_single_latch): New function, factored out of ...
        (flow_loops_find): ... here.
        (verify_loop_structure): Improve verification of loop->latch.
        * cfgloop.h (find_single_latch): Declare.
        * omp-low.c (expand_omp_for_generic): Initialize latch of orig_loop.

2015-11-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.h (SUPPORTS_INIT_PRIORITY): Move up.
        (STARTFILE_VTV_SPEC, ENDFILE_VTV_SPEC): Define.
        (STARTFILE_SPEC): Use %(startfile_vtv).
        (ENDFILE_SPEC): Use %(endfile_vtv).
        (SUBTARGET_EXTRA_SPECS): Handle STARTFILE_VTV_SPEC,
        ENDFILE_VTV_SPEC.

        * gcc.c (LINK_COMMAND_SPEC): Move VTABLE_VERIFICATION_SPEC after %{L*}.

2015-11-25  Bernd Schmidt  <bschmidt@redhat.com>

        * ifcvt.c (noce_mem_write_may_trap_or_fault_p,
        noce_can_store_speculate): Delete.
        (noce_process_if_block): Don't try to handle single MEM stores.
        * rtl.h (memory_must_be_modified_in_insn_p): Don't declare.
        * alias.c (memory_must_be_modified_in_insn_p): Delete.

2015-11-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68435
        * ifcvt.c (noce_try_cmove_arith): Skip final insn when checking
        for conflicts between a, b and the set destinations.

2015-11-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68517
        * tree-vect-data-refs.c (vect_analyze_data_ref_accesses):
        Properly handle zero-sized types.

2015-11-24  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c: Include gimplify.h
        (set_cond_stmt_execution_predicate,
        set_switch_stmt_execution_predicate): Be sure to not leak locations
        to function body.

2015-11-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/67089
        * tree-ssa-math-opts.c (uaddsub_overflow_check_p,
        match_uaddsub_overflow): New functions.
        (pass_optimize_widening_mul::execute): Call match_uaddsub_overflow.

2015-11-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68492
        * tree-vect-slp.c (vect_build_slp_tree): Consistently build up
        op from scalars after operand swapping.

2015-11-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68502
        * tree-vect-data-refs.c (vect_analyze_group_access_1): Restore
        check that the step is a multiple of the type size.

2015-11-24  Michael Collison  <michael.collison@linaro.org>

        * config/aarch64/aarch64-simd.md (widen_ssum, widen_usum)
        (aarch64_<ANY_EXTEND:su><ADDSUB:optab>w<mode>_internal): New patterns
        * config/aarch64/iterators.md (Vhalf, VDBLW): New mode attributes.

2015-11-24  Steve Ellcey  <sellcey@imgtec.com>

        * frame-header-opt.c (gate): Check for optimize > 0.
        (has_inlined_assembly): New function.
        (needs_frame_header_p): Remove is_leaf_function check,
        add argument type check.
        (callees_functions_use_frame_header): Add is_leaf_function
        and has_inlined_assembly calls..
        (set_callers_may_not_allocate_frame): New function.
        (frame_header_opt): Add is_leaf_function call, add
        set_callers_may_not_allocate_frame call.
        * config/mips/mips.c (mips_compute_frame_info): Add check
        to see if callee saved regs can be put in frame header.
        (mips_expand_prologue): Add check to see if step1 is zero,
        fix cfa restores when using frame header to store regs.
        (mips_can_use_return_insn): Check to see if registers are
        stored in frame header.
        * config/mips/mips.h (machine_function): Add
        callers_may_not_allocate_frame and
        use_frame_header_for_callee_saved_regs fields.

2015-11-24  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/68520
        * shrink-wrap.c (try_shrink_wrapping): Don't push a block to VEC if
        its bit was already set in BB_WITH.

2015-11-24  Jan Hubicka  <hubicka@ucw.cz>

        * alias.c (get_alias_set): Before checking TYPE_ALIAS_SET_KNOWN_P
        double check that type is main variant.
        * tree.c (build_variant_type_copy): Clear TYPE_ALIAS_SET when producing
        variant.
        (verify_type_variant): Verify that variants have no
        TYPE_ALIAS_SET_KNOWN_P set
        * tree-streamer-out.c (pack_ts_type_common_value_fields): Reorder
        streaming so constant fields come first; stream TYPE_ALIAS_SET==0
        only for main variants; stream TYPE_ALIAS_SET as a bit.
        * tree-streamer-in.c (unpack_ts_type_common_value_fields): Update
        accordingly.

2015-11-24  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (make_vector_type): Properly compute canonical type of the
        main variant.
        (verify_type): Verify that TYPE_CANONICAL of TYPE_MAIN_VARIANT is
        a main variant.

2015-11-24  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (maybe_split_mode): Return new mode or
        VOIDmode, don't alter incoming mode.
        (nvptx_split_reg_p): Delete.
        (write_one_arg, walk_args_for_param, nvptx_declare_function_name,
        write_func_decl_from_insn, nvptx_output_call_insn): Adjust
        maybe_split_mode calls.
        (nvptx_print_operand): Use maybe_split_mode.

2015-11-24  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-in.c (lto_read_body_or_constructor): Set TYPE_CANONICAL
        only for types where LTO sets them.
        * tree.c (build_array_type_1): Do ont set TYPE_CANONICAL for LTO.
        (make_vector_type): Likewise.
        (gimple_canonical_types_compatible_p): Use canonical_type_used_p.
        * tree.h (canonical_type_used_p): New inline.
        * alias.c (get_alias_set): Handle structural equality for all
        types that pass canonical_type_used_p.
        (record_component_aliases): Look through all types with
        record_component_aliases for possible pointers; sanity check that
        the alias sets match.

2015-11-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.md (lround<mode>di2): Remove constraints.

2015-11-24  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (free_node): New function.
        (type_hash_canon): Use it.
        * tree.h (free_node): Declare.

2015-11-24  David Edelsohn  <dje.gcc@gmail.com>
            Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.md (UNSPEC_XSRDPI): New unspec.
        (Fv2): New mode attribute to be used when ISA 2.07 instructions
        are used on SF values, and ISA 2.06 instructions on DF values.
        (add<mode>3_fpr): Use <Fv2> instead of <Fv>.
        (sub<mode>3_fpr): Use <Fv2> instead of <Fv>.
        (mul<mode>3_fpr): Use <Fv2> instead of <Fv>.
        (div<mode>3_fpr): Use <Fv2> instead of <Fv>.
        (sqrt<mode>2): Use <Fv2> instead of <Fv>.
        (fre<Fs>): Use <Fv2> instead of <Fv>.
        (rsqrt<mode>2): Use <Fv2> instead of <Fv>.
        (cmp<mode>_fpr): Use <Fv2> instead of <Fv>.
        (xsrdpi<mode>): Add support for the lround function.
        (lround<mode>di2): Likewise.
        (fma<mode>4_fpr): Use <Fv2> instead of <Fv>.
        (fms<mode>4_fpr): Use <Fv2> instead of <Fv>.
        (nfma<mode>4_fpr): Use <Fv2> instead of <Fv>.
        (nfms<mode>4_fpr): Use <Fv2> instead of <Fv>.

2015-11-24  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/67984
        * graphite-isl-ast-to-gimple.c (is_constant): New.
        (get_rename): Call is_constant.
        (get_new_name): Same.

2015-11-24  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-dependences.c: Only include graphite.h.
        * graphite-isl-ast-to-gimple.c: Same.
        * graphite-optimize-isl.c: Same.
        * graphite-poly.c: Same.
        * graphite-scop-detection.c: Same.
        * graphite-sese-to-poly.c: Same.
        * graphite.c: Same.
        * graphite-isl-ast-to-gimple.h: Move to graphite.h.
        * graphite-poly.h: Same.
        * graphite-scop-detection.h: Same.
        * graphite.h: New.

2015-11-24  Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.c (gen_decl_die): Generate DW_TAG_imported_* instead of
        DW_TAG_namespace for IMPORTED_DECL declarations.  Call
        dwarf2out_imported_module_or_decl_1 for all DWARF versions as this
        function already takes care of checking what it can emit.

2015-11-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * doc/invoke.texi (-fpic): Add the AArch64 limit.
        (-fPIC): Add AArch64.

2015-11-24  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-loop-im.c (tree_ssa_lim): Make static.
        (pass_lim::execute): Allow to run outside pass_tree_loop.

2015-11-24  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (add<mode>3):
        Block early expansion into 2 add instructions.
        (add<mode>3_pluslong): New pattern to combine complex
        immediates into 2 additions.

2015-11-24  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/66217
        PR target/67677
        PR target/68332
        * config/rs6000/predicates.md (and_operand): Check that the operand
        is a const_int before calling rs6000_is_valid_and_mask.

2015-11-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (*condjump): Rename to...
        (condjump): ... This.
        (*compare_condjump<mode>): New define_insn_and_split.
        (*compare_cstore<mode>_insn): Likewise.
        (*cstore<mode>_insn): Rename to...
        (cstore<mode>_insn): ... This.
        * config/aarch64/iterators.md (CMP): Handle ne code.
        * config/aarch64/predicates.md (aarch64_imm24): New predicate.

2015-11-24  Mikhail Maltsev  <maltsevm@gmail.com>

        PR target/68497
        * config/i386/i386.c (output_387_binary_op): Fix assertion for
        -fno-checking case.

2015-11-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * tree-ssa-uncprop.c (struct val_ssa_equiv_hash_traits): Remove.
        (val_ssa_equiv_hash_traits::remove): Likewise.
        (pass_uncprop::execute): Adjust.

2015-11-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * hash-map-traits.h (simple_hashmap_traits ::remove): call
        destructors on values that are being removed.
        * mem-stats.h (hash_map): Pass type of values to
        simple_hashmap_traits.
        * tree-sra.c (sra_deinitialize): Remove work around for hash
        maps not destructing values.
        * genmatch.c (sinfo_hashmap_traits): Adjust.
        * tree-ssa-uncprop.c (val_ssa_equiv_hash_traits): Likewise.

2015-11-24  Richard Biener  <rguenther@suse.de>
            Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR middle-end/68375
        * cfgloop.c (get_loop_body_in_bfs_order): Restructure loop to avoid
        bogus assertion.

2015-11-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/68483
        * tree-vect-generic.c (lower_vec_perm): If VEC_PERM_EXPR
        is valid vec_shr pattern, don't lower it even if can_vec_perm_p
        returns false.
        * optabs.c (shift_amt_for_vec_perm_mask): Return NULL_RTX
        whenever first is nelt or above.  Don't mask expected with
        2 * nelt - 1.

2015-11-24  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR c/68337
        * gimple-fold.c: Include ipa-chkp.h.
        (gimple_fold_builtin_memory_op): Don't fold call if we
        are going to instrument it and it may copy pointers.

2015-11-24  Bernd Schmidt <bschmidt@redhat.com>
            Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68194
        PR rtl-optimization/68328
        PR rtl-optimization/68185
        * ree.c (combine_reaching_defs): Reject copy_needed case if
        copies_list is not empty.

2015-11-24  Richard Biener  <rguenther@suse.de>

        PR middle-end/68221
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
        use mem_ref_offset.

2015-11-24  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/68381
        * combine.c (is_parallel_of_n_reg_sets): Return false if the pattern
        is poisoned.

2015-11-23  Nick Clifton  <nickc@redhat.com>
            Jeff Law  <law@redhat.com>

        * ree.c (add_removable_extension): Avoid mis-optimizing cases where
        the source/dest of the target extension require a different number of
        hard registers.
        (combine_set_extension): Remove #if 0 code.

2015-11-23  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/68314
        * graphite-optimize-isl.c (optimize_isl): Do not call
        isl_union_map_is_equal.
        * graphite-poly.c (new_scop): Remove original_schedule.
        (free_scop): Same.
        * graphite-poly.h (struct scop): Same.
        * graphite-sese-to-poly.c (build_pbb_minimal_scattering_polyhedrons):
        Remove.
        (build_pbb_scattering_polyhedrons): Add back.
        (build_scop_minimal_scattering): Remove.
        (build_scop_scattering): Add back.
        (build_scop_original_schedule): Remove.
        (build_poly_scop): Revert to only call build_scop_scattering.

2015-11-23  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/68493
        * graphite-isl-ast-to-gimple.c (translate_pending_phi_nodes): Add
        missing early return when codegen_error is set.

2015-11-23  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/68279
        * graphite-poly.c (new_scop): Remove poly_scop_p.
        * graphite-poly.h (struct scop): Same.
        (build_poly_scop): Declare.
        * graphite-sese-to-poly.c: Do not include graphite-sese-to-poly.h.
        (cleanup_loop_iter_dom): New.
        (build_loop_iteration_domains): Early return when scev analysis fails.
        (create_pw_aff_from_tree): Same.
        (add_condition_to_pbb): Same.
        (add_conditions_to_domain): Same.
        (add_conditions_to_constraints): Same.
        (build_scop_iteration_domain): Same.
        (build_poly_scop): Same.  Do not initialize poly_scop_p.
        * graphite-sese-to-poly.h: Remove.
        * graphite.c: Do not include graphite-sese-to-poly.h.
        (graphite_transform_loops): Stop before code generation when
        build_poly_scop fails.
        * sese.c (scalar_evolution_in_region): Add fixme note about scev
        analysis.

2015-11-23  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (translate_isl_ast_node_user):
        Remove call to update_ssa.
        * sese.c (sese_insert_phis_for_liveouts): Same.

2015-11-23  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/68455
        * tree-vrp.c (extract_range_from_binary_expr_1): Don't call
        extract_range_from_multiplicative_op_1 on symbolic ranges.

2015-11-23  Richard Henderson  <rth@redhat.com>

        * optabs.def (uaddv4_optab, usubv4_optab): New.
        * internal-fn.c (expand_addsub_overflow): Use them.
        * doc/md.texi (Standard Names): Add uaddv<m>4, usubv<m>4.

        * config/i386/i386.c (ix86_cc_mode): Extend add overflow check
        to reversed operands.
        * config/i386/i386.md (uaddv<SWI>4, usubv<SWI>4): New.
        (*add<SWI>3_cconly_overflow_1): Rename *add<SWI>3_cconly_overflow.
        (*add<SWI>3_cc_overflow_1): Rename *add<SWI>3_cc_overflow.
        (*addsi3_zext_cc_overflow_1): Rename *add3_zext_cc_overflow.
        (*add<SWI>3_cconly_overflow_2): New.
        (*add<SWI>3_cc_overflow_2): New.
        (*addsi3_zext_cc_overflow_2): New.

2015-11-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68465
        * tree-ssa-sccvn.c (sccvn_dom_walker::before_dom_children):
        Also record equalities from multiple predecessor blocks if
        only one non-backedge exists.

2015-11-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/68363
        * config/aarch64/aarch64.c (aarch64_madd_needs_nop): Reject arguments
        that are not INSN_P.

2015-11-23  Bilyan Borisov  <bilyan.borisov@arm.com>

        * config/aarch64/aarch64-builtins.c
        (aarch64_gimple_fold_builtin): Fold FMULX.

2015-11-23  David Edelsohn  <dje.gcc@gmail.com>

        * system.h: Don't poison calloc and strdup if USES_ISL is defined.
        * graphite-dependences.c: Define USES_ISL.  Include ISL header files
        after GCC header files and before graphite header files.
        * graphite-dependences.c: Same.
        * graphite-isl-ast-to-gimple.c: Same.
        * graphite-optimize-isl.c: Same.
        * graphite-poly.c: Same.
        * graphite-scop-detection.c: Same.
        * graphite-sese-to-poly.c: Same.
        * graphite.c: Same.

2015-11-23  Richard Biener  <rguenth@gcc.gnu.org>
            Jiong Wang  <jiong.wang@arm.com>

        PR tree-optimization/68317
        PR tree-optimization/68326
        * tree-vrp.c (adjust_range_with_scev): Call drop_tree_overflow if the
        final min and max are not infinity.

2015-11-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68327
        * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
        compute vectype for non-relevant mask producers.
        * tree-vect-stmts.c (vectorizable_comparison): Check stmt
        relevance earlier.

2015-11-23  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68460
        * tree-parloops.c (gather_scalar_reductions): Also call
        free_stmt_vec_info_vec if simple_loop_info == NULL.

2015-11-23  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>

        * opts.c (finish_options): Allow -fsanitize-recover=address for
        userspace sanitization.
        * asan.c (asan_expand_check_ifn): Redefine recover_p.
        * doc/invoke.texi (fsanitize-recover): Update documentation.

2015-11-23  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (build_receiver_ref): Mark by_ref mem_ref as non-trapping.

2015-11-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68445
        * tree-vect-slp.c (vect_create_mask_and_perm): Properly use
        two different strides.

2015-11-23  Robin Dapp  <rdapp@linux.vnet.ibm.com>

        * config/s390/s390.h: Add new symref flags, _NOTALIGN2 etc.
        * config/s390/s390.c (s390_check_symref_alignment): Use new
        symref flags, early abort on wrong alignment
        (s390_secondary_reload): Use new symref flags.
        (s390_encode_section_info): Likewise.
        * config/s390/predicates.md: Likewise.

2015-11-23  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR target/68390
        * config/arm/arm.c (arm_function_ok_for_sibcall): Get function type
        for indirect function call.

2015-11-22  Bilyan Borisov  <bilyan.borisov@arm.com>

        * config/aarch64/aarch64-simd.md
        (*aarch64_mulx_elt_<vswap_width_name><mode>, VDQSF): New.
        (*aarch64_mulx_elt<mode>, VDQF): Likewise.
        (*aarch64_mulx_elt_to_64v2df): Likewise.
        (*aarch64_vgetfmulx<mode>, VDQF_DF): Likewise.
        * config/aarch64/arm_neon.h (vmulx_lane_f32): New.
        (vmulx_lane_f64): Likewise.
        (vmulxq_lane_f32): Refactored & moved.
        (vmulxq_lane_f64): Likewise.
        (vmulx_laneq_f32): New.
        (vmulx_laneq_f64): Likewise.
        (vmulxq_laneq_f32): Likewise.
        (vmulxq_laneq_f64): Likewise.
        (vmulxs_lane_f32): Likewise.
        (vmulxs_laneq_f32): Likewise.
        (vmulxd_lane_f64): Likewise.
        (vmulxd_laneq_f64): Likewise.

2015-11-21  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (build_pointer_type_for_mode,build_reference_type_for_mode):
        In LTO we do not compute TYPE_CANONICAL of pointers.
        (gimple_canonical_types_compatible_p): Improve coments; sanity check
        that pointers do not have canonical type that would make us believe
        they are different.
        * alias.c (get_alias_set): Do structural type equality on pointers;
        enable pointer path for LTO; also glob pointer to vector with pointer
        to vector element; glob pointers and references for LTO; do more strict
        sanity checking about build_pointer_type returning the canonical type
        which is also the main variant.
        (record_component_aliases): When component type is pointer and we
        do LTO; record void_type_node alias set.

2015-11-21  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.md (clz<mode>2): Use operand 1 for type.

        * config/nvptx/nvptx.c (write_function_decl_and_comment): Print
        leading blank line.
        (write_func_decl_from_insn): Likewise.
        (init_output_initializer, nvptx_assemble_undefined_decl): Likewise.
        (nvptx_file_end): Likewise.
        (nvptx_function_end): Undent output.
        (nvptx_expand_call): Fix formatting.
        (nvptx_output_call_insn): Indent output.
        * config/nvptx/nvptx.h (ASM_OUTPUT_ALIGNED_DECL_COMMON,
        ASM__OUTPUT_ALIGNED_DECL_LOCAL): Print leading blank line.

2015-11-21  Jakub Jelinek  <jakub@redhat.com>

        PR debug/66432
        * tree-inline.c (copy_debug_stmt): If
        gimple_debug_source_bind_get_value is DECL_ORIGIN of a PARM_DECL
        in decl_debug_args, don't call remap_gimple_op_r on it.

2015-11-07  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_item::add_type): Do not look for TYPE_CANONICAL;
        do not check AGGREGATE_TYPE_P when adding TYPE_MODE;
        Check that all record types are complete.
        * ipa-icf-gimple.c (func_checker::compatible_types_p): Do not
        compare alias sets for types w/o alias sets.

2015-11-20  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.md (umulxhi_vis): Move around.
        (*umulxhi_sp64): Likewise.
        (umulxhi_v8plus): Likewise.
        (xmulx_vis): Likewise.
        (*xmulx_sp64): Likewise.
        (xmulx_v8plus): Likewise.
        (xmulxhi_vis): Likewise.
        (*xmulxhi_sp64): Likewise.
        (xmulxhi_v8plus): Likewise.

2015-11-20  David Malcolm  <dmalcolm@redhat.com>

        PR 62314
        * diagnostic-show-locus.c (colorizer::set_fixit_hint): New.
        (class layout): Update comment
        (layout::print_any_fixits): New method.
        (layout::move_to_column): New method.
        (diagnostic_show_locus): Add call to layout.print_any_fixits.

2015-11-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/68221
        * omp-low.c (lower_rec_input_clauses): If C/C++ array reduction
        has non-zero bias, subtract it in integer type instead of
        pointer plus of negated bias.

        PR middle-end/68339
        * omp-low.c (expand_simd_clones): Call node->get_body () before
        allocating stuff in GC.

2015-11-20  Jim Wilson  <jim.wilson@linaro.org>

        * tree-vect-data-refs.c (compare_tree): Call STRIP_NOPS.

2015-11-20  Evandro Menezes  <e.menezes@samsung.com>

        * config/aarch64/aarch64.md (predicated): Copy attribute from
        "arm.md".
        * config/arm/arm.md (predicated): Added description.

2015-11-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_option_override): Require TARGET_32BIT
        for unaligned_access.
        * config/arm/arm.md (unaligned_loadsi): Remove redundant TARGET_32BIT
        from matching condition.
        (unaligned_loadhis): Likewise.
        (unaligned_loadhiu): Likewise.
        (unaligned_storesi): Likewise.
        (unaligned_storehi): Likewise.

2015-11-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/68149
        * config/arm/arm.md (unaligned_loaddi): Delete.
        (unaligned_storedi): Likewise.
        * config/arm/arm.c (gen_movmem_ldrd_strd): Don't generate
        unaligned DImode memory ops.  Instead perform two back-to-back
        unaligned SImode ops.

2015-11-20  Nathan Sidwell  <nathan@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_use_anchors_for_symbol_p): New.
        (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Override.

2015-11-20  Alan Hayward <alan.hayward@arm.com>

        PR tree-optimization/68413
        * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Cache
        evolution base
        (vectorizable_reduction): Use cached base

2015-11-20  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (build_new_reduction): Fix trailing whitespace in
        dump-file string.
        (try_create_reduction_list): Same.  Fix typo in dump-file string.

2015-11-20  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/md.texi (Standard Names): Move entry for addptr3 around,
        add entries for addv4, subv4, mulv4, umulv4 and negv3, fixes
        glitch in entries for cbranch4 and jump.

2015-11-20  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68373
        * tree-scalar-evolution.c (final_value_replacement_loop): Factor out
        of ...
        (scev_const_prop): ... here.
        * tree-scalar-evolution.h (final_value_replacement_loop): Declare.
        * tree-parloops.c (try_create_reduction_list): Call
        final_value_replacement_loop.

2015-11-20  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/52272
        * tree-ssa-loop-ivopts.c (struct iv_common_cand): New struct.
        (struct iv_common_cand_hasher): New struct.
        (iv_common_cand_hasher::hash): New function.
        (iv_common_cand_hasher::equal): New function.
        (struct ivopts_data): New fields, iv_common_cand_tab and
        iv_common_cands.
        (tree_ssa_iv_optimize_init): Initialize above fields.
        (record_common_cand, common_cand_cmp): New functions.
        (add_iv_candidate_derived_from_uses): New function.
        (add_iv_candidate_for_use): Record iv_common_cands derived from
        iv use in hash table, instead of adding candidates directly.
        (add_iv_candidate_for_uses): Call add_iv_candidate_derived_from_uses.
        (record_important_candidates): Add important candidates to iv uses'
        related_cands.  Always keep related_cands for future use.
        (try_add_cand_for): Use iv uses' related_cands.
        (free_loop_data, tree_ssa_iv_optimize_finalize): Release new fields
        in struct ivopts_data, iv_common_cand_tab and iv_common_cands.

2015-11-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("bswaphi2"): New pattern.

2015-11-20  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.md (GPR1_REGNUM): New constant.
        ("*trunc<BFP:mode><DFP_ALL:mode>2")
        ("*trunc<DFP_ALL:mode><BFP:mode>2")
        ("trunc<BFP:mode><DFP_ALL:mode>2")
        ("trunc<DFP_ALL:mode><BFP:mode>2")
        ("*extend<BFP:mode><DFP_ALL:mode>2")
        ("*extend<DFP_ALL:mode><BFP:mode>2")
        ("extend<BFP:mode><DFP_ALL:mode>2")
        ("extend<DFP_ALL:mode><BFP:mode>2"): Clobber r1.

2015-11-19  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/68428
        * graphite-scop-detection.c (harmful_stmt_in_region): Do not iterate
        over basic blocks outside the scop.

2015-11-19  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/68341
        * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Remove
        gcc_unreachable and safely fail codegen.
        (copy_loop_close_phi_args): Do not insert merge phis in a basic
        block with loop phi nodes.
        (edge_for_new_close_phis): New.
        (copy_bb_and_scalar_dependences): Call edge_for_new_close_phis.

2015-11-19  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.h (SUPPORTS_WEAK): Define.
        * config/nvptx/nvptx.c (nvptx_write_function_decl): Support DECL_WEAK.
        (nvptx_declare_objec_name): Likewise.

2015-11-19  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-isl-ast-to-gimple.c (get_true_edge_from_guard_bb): Move...
        (get_false_edge_from_guard_bb): Move...
        * sese.c (get_false_edge_from_guard_bb)
        (get_true_edge_from_guard_bb): ... here.

2015-11-19  David Edelsohn  <dje.gcc@gmail.com>

        Revert
        2015-11-18  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (use_toc_relative_ref): Ignore
        type-limits warning.


2015-11-19  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        * tree.h (desired_pro_or_demotion_p): New function.
        * tree-vrp.c (simplify_cond_using_ranges): Call it.

2015-11-19  Michael Matz  <matz@suse.de>

        PR rtl-optimization/68392
        * fwprop.c (update_uses): Use flag_checking instead of
        gcc_checking_assert.

2015-11-19  David Malcolm  <dmalcolm@redhat.com>

        * doc/gty.texi (Support for inheritance): Fix missing
        parentheses in example.

2015-11-19  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/68431
        * tree-vrp.c (extract_range_from_binary_expr_1): Fix condition.

2015-11-19  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.md (atomic_compare_and_swap<mode>_1,
        atomic_exchange<mode>): Input values can be immediates.

2015-11-19  Eric Botcazou  <ebotcazou@adacore.com>

        PR lto/61313
        * configure.ac (PLUGIN_LD_SUFFIX): Do not touch the value specified
        by the user.
        * configure: Regenerate.

2015-11-19  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/68408
        * config/sparc/sp-elf.h (CTORS_SECTION_ASM_OP): Undefine.
        (DTORS_SECTION_ASM_OP): Likewise.

2015-11-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/68376
        * ifcvt.c (noce_try_abs): Disable one_cmpl optimization if
        encountering x <= 0 ? ~x : x or x > 0 ? ~x : x.

2015-11-19  Richard Biener  <rguenther@suse.de>

        PR middle-end/68117
        * tree-ssa.c (delete_tree_ssa): Revert removal of call to
        redirect_edge_var_map_destroy.

2015-11-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/67770
        * config/i386/i386.md (simple_return): Disable if
        ix86_static_chain_on_stack is true.

2015-11-19  Richard Sandiford  <richard.sandiford@arm.com>

        PR bootstrap/68393
        * internal-fn.c (expand_direct_optab_fn): Handle SUBREG_PROMOTED_VAR_P
        destinations.

2015-11-18  Jeff Law  <law@redhat.com>

        PR tree-optimization/68198
        * tree-ssa-threadupdate.c (valid_jump_thread_path): Distinguish
        between threading a multi-way branch and a thread path that contains
        a multi-way branch.  Disallow the case where a path contains a
        multi-way branch and does not thread a multi-way branch.
        (thread_through_all_blocks): Update comment.

2015-11-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/65083
        * ginclude/stdatomic.h (atomic_thread_fence, atomic_signal_fence)
        (atomic_flag_test_and_set, atomic_flag_test_and_set_explicit)
        (atomic_flag_clear, atomic_flag_clear_explicit): Declare as
        functions before defining as macros.

2015-11-18  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_process_pars): Fix whitespace.
        (nvptx_record_offload_symbol): Remove code compensating for lack
        of default dimension handling.
        (nvptx_goacc_validate_dims): Remove incorrect ARG_UNUSED markers.

2015-11-18  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-isl-ast-to-gimple.c (copy_loop_phi_args): Change the return
        type to bool for early exit.
        (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Early return
        in case of error.
        (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
        (add_phi_arg_for_new_expr): Enable codegen for if-block where one
        predecessor dominates the other.
        (translate_isl_ast_to_gimple::copy_cond_phi_args): Fix. When the
        element is not found it returns -1.
        (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Bail
        out early when codegen fails.
        (graphite_regenerate_ast_isl): Remove codegen region when pending
        phis could not be generated.

2015-11-18  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-isl-ast-to-gimple.c (struct ast_build_info): Remove
        semicolon.
        (class translate_isl_ast_to_gimple): Indentation.
        (translate_pending_phi_nodes): Comment.
        (add_parameters_to_ivs_params): Moved from sese.c inside class
        translate_isl_ast_to_gimple.
        (get_max_schedule_dimensions): Same.
        (generate_isl_context): Same.
        (extend_schedule): Same.
        (generate_isl_schedule): Same.
        (set_options): Same.
        (scop_to_isl_ast): Same.
        (is_valid_rename): Same.
        (get_rename): Same.
        (get_rename_from_scev): Same.
        (get_def_bb_for_const): Same.
        (get_new_name): Same.
        (collect_all_ssa_names): Same.
        (copy_loop_phi_args): Same.
        (copy_loop_phi_nodes): Same.
        (copy_loop_close_phi_args): Same.
        (copy_loop_close_phi_nodes): Same.
        (copy_cond_phi_args): Same.
        (copy_cond_phi_nodes): Same.
        (graphite_copy_stmts_from_block): Same.
        (copy_bb_and_scalar_dependences): Same.
        (add_phi_arg_for_new_expr): Same.
        (rename_uses): Same.
        (set_rename): Same.
        (set_rename_for_each_def): Same.
        (gsi_insert_earliest): Same.
        (rename_all_uses): Same.
        (codegen_error_p): Same.
        (print_isl_ast_node): Same.
        (translate_isl_ast_for_loop): Call function codegen_error_p.
        (translate_isl_ast_to_gimple::translate_isl_ast): Same.
        (translate_isl_ast_node_user): Make nb_loops const and release
        iv_map before exit.
        (get_true_edge_from_guard_bb): Move all free-functions early.
        (get_false_edge_from_guard_bb): Same.
        (bb_contains_loop_close_phi_nodes): Same.
        (bb_contains_loop_phi_nodes): Same.
        (is_loop_closed_ssa_use):  Same.
        (number_of_phi_nodes): Same.
        (phi_uses_name): Same.
        (later_of_the_two): Same.
        (substitute_ssa_name):
        (get_edges): Same.
        (get_loc): Same.
        (get_loop_init_value): Same.
        (find_init_value): Same.
        (find_init_value_close_phi): Same.
        (ast_build_before_for): Same.
        (graphite_regenerate_ast_isl): Formatting changes.
        * graphite-scop-detection.c (build_cross_bb_scalars_use): Same.
        * sese.c (get_rename): Move to graphite-isl-ast-to-gimple.c
        (set_rename): Same.
        (gsi_insert_earliest): Same.
        (collect_all_ssa_names): Same.
        (rename_all_uses): Same.
        (rename_uses): Same.
        (get_def_bb_for_const): Same.
        (copy_loop_phi_nodes): Same.
        (copy_loop_close_phi_args): Same.
        (copy_loop_close_phi_nodes): Same.
        (copy_cond_phi_args): Same.
        (copy_cond_phi_nodes): Same.
        (set_rename_for_each_def): Same.
        (graphite_copy_stmts_from_block): Same.
        (copy_bb_and_scalar_dependences): Same.
        (if_region_set_false_region): Same.
        (scev_analyzable_p): Same.
        * sese.h: Delete extern functions moved to graphite-isl-ast-to-gimple.c.

2015-11-18  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Bring in the
        commit from r125920 for FreeBSD.

2015-11-18  Jason Merrill  <jason@redhat.com>

        * ggc-page.c (ggc_globals): Change finalizers and vec_finalizers
        to be vecs of vecs.
        (add_finalizer): Split out from ggc_internal_alloc.
        (ggc_handle_finalizers): Run finalizers for the current depth.
        (init_ggc, ggc_pch_read): Reserve space for finalizers.

2015-11-18  Sandra Loosemore  <sandra@codesourcery.com>

        PR target/68410
        * config/nios2/nios2.c (cdx_and_immed): Remove duplicate tests
        from || expression.

2015-11-18  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>

        * config/avr/avr-mcus.def: Add new avr4 devices atmega48pb and
        atmega88pb. Add new avr5 devices ata5791, ata8210, ata8510, atmega168pb
        and atmega328pb.
        * doc/avr-mmcu.texi: Regenerate.

2015-11-18  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c (bb_pair_t, bb_pair_vec_t): New types.
        (pseudo_node_t, struct bracket, bracket_vec_t): New types.
        (struct bb_sese): New struct.
        (bb_sese::~bb_sese, bb_sese::append, bb_sese::remove): New.
        (BB_GET_SESE, BB_SET_SESE): Define.
        (nvptx_sese_number, nvptx_sese_pseudo, nvptx_sese_color): New.
        (nvptx_find_sese): New.
        (nvptx_neuter_pars): Find SESE regions when optimizing.

2015-11-18  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (use_toc_relative_ref): Ignore
        type-limits warning.

2015-11-18  Richard Sandiford  <richard.sandiford@arm.com>

        PR bootstrap/68406
        * hash-set.h (hash_set::traverse): Expand Key typedef.

2015-11-18  Martin Liska  <mliska@suse.cz>

        * config/arm/arm.c (arm_valid_target_attribute_p): Finalize
        options struct.

2015-11-18  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c (global_lock_var): New.
        (nvptx_global_lock_addr): New.
        (nvptx_lockless_update): Recomment and adjust for clarity.
        (nvptx_lockfull_update): New.
        (nvptx_reduction_update): New.
        (nvptx_goacc_reduction_fini): Call it.

2015-11-18  Bernd Schmidt  <bschmidt@redhat.com>

        * regrename.h (struct du_head): Add target_data_1 and target_data_2
        fields.
        * regrename.c (create_new_chain): Clear entire struct after allocating.

        * config/i386/i386.opt (mmitigate-rop): New option.
        * doc/invoke.texi (mmitigate-rop): Document.
        * config/i386/i386.c: Include "regrename.h".
        (ix86_rop_should_change_byte_p, reg_encoded_number,
        ix86_get_modrm_for_rop, set_rop_modrm_reg_bits, ix86_mitigate_rop): New
        static functions.
        (ix86_reorg): Call ix86_mitigate_rop if -fmitigate-rop.
        * config/i386/i386.md (attr "modrm_class"): New.
        (cmp<mode>_ccno_1, mov<mode>_xor, movstrict<mode>_xor,
        x86_mov<mode>cc_0_m1. x86_mov<mode>cc_0_m1_se)
        (x86_mov<mode>cc_0_m1_neg): Override modrm_class attribute.

2015-11-18  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/68405
        * config/i386/i386.c (ix86_expand_mask_vec_cmp): Add missing break.

2015-11-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/68157
        * tree-ssa-reassoc.c (attempt_builtin_powi): Set uid of
        pow_stmt or mul_stmt from stmt's uid.
        (reassociate_bb): Set uid of mul_stmt from stmt's uid.

2015-11-18  Martin Liska  <mliska@suse.cz>

        * haifa-sched.c (haifa_finish_h_i_d): Release reg_set_list.

2015-11-18  Martin Liska  <mliska@suse.cz>

        * tree-ssa-uninit.c (convert_control_dep_chain_into_preds):
        Fix GNU coding style.
        (find_def_preds): Use auto_vec.
        (destroy_predicate_vecs): Change signature of the function.
        (prune_uninit_phi_opnds_in_unrealizable_paths): Use the
        new signature.
        (simplify_preds_4): Use destroy_predicate_vecs instread of
        just releasing preds vector.
        (normalize_preds): Likewise.
        (is_use_properly_guarded): Use new signature of
        destroy_predicate_vecs.
        (find_uninit_use): Likewise.

2015-11-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67790
        * tree-vect-loop.c (vect_is_simple_reduction_1): Remove
        IL rewrite for MINUS_EXPR reductions, rename back to ...
        (vect_is_simple_reduction): ... this, removing the wrapper.
        (vect_force_simple_reduction): Adjust.
        (vectorizable_reduction): Adjust reduc_index for MINUS_EXPR
        reductions and make use if reduc_index in all places.  For
        the final reduction of MINUS_EXPR use PLUS_EXPR.

2015-11-18  Alan Modra  <amodra@gmail.com>

        * configure.ac (POWERPC64_TOC_POINTER_ALIGNMENT): Pass -z norelro
        to ld.
        * configure: Regenerate.

2015-11-17  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-loop.c (pass_tree_loop_init::execute): Improve comments.

2015-11-17  Tom de Vries  <tom@codesourcery.com>

        * tree-scalar-evolution.c (scev_const_prop): Dump details if replacing
        uses of ssa_name with constant.

2015-11-17  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-ccp.c (do_ssa_ccp): Clear LOOP_CLOSED_SSA in loops state if
        something changed.

2015-11-17  Tom de Vries  <tom@codesourcery.com>

        * cfgloop.h (struct loop): Add in_oacc_kernels_region field.
        * omp-low.c (mark_loops_in_oacc_kernels_region): New function.
        (expand_omp_target): Call mark_loops_in_oacc_kernels_region.

2015-11-17  Bernd Schmidt  <bschmidt@redhat.com>

        * regrename.c (regrename_find_superclass): New function, code moved
        from ...
        (rename_chains): ... here.  Call it.
        * regrename.h (regrename_find_superclass): Declare.

        * regrename.c (record_out_operands): Terminate earlyclobbered
        operands here.

        PR target/66785
        * regrename.c (record_operand_use): Keep track of failed operands
        and stop appending if we see any.
        * regrename.h (struct operand_rr_info): Add a failed field and shrink
        n_chains to short.

2015-11-17  Sandra Loosemore  <sandra@codesourcery.com>

        PR 48568
        * doc/extend.texi (Common Function Attributes) [visibility]:
        Add cross-references to matching variable and type attributes.
        (Common Variable Attributes) [visibility]: Add missing entry.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function): Remove
        entries that map directly to optabs.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * config/i386/i386.c (ix86_builtin_vectorized_function): Remove
        entries that map directly to optabs.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * internal-fn.h (direct_internal_fn_info): Add vectorizable flag.
        * internal-fn.c (direct_internal_fn_array): Update accordingly.
        * tree-vectorizer.h (vectorizable_function): Delete.
        * tree-vect-stmts.c: Include internal-fn.h.
        (vectorizable_internal_function): New function.
        (vectorizable_function): Inline into...
        (vectorizable_call): ...here.  Explicitly reject calls that read
        from or write to memory.  Try using an internal function before
        falling back on the old vectorizable_function behavior.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * target.def (builtin_vectorized_function): Take a combined_fn (in
        the form of an unsigned int) rather than a function decl.
        (builtin_md_vectorized_function): New.
        * targhooks.h (default_builtin_vectorized_function): Replace the
        fndecl argument with an unsigned int.
        (default_builtin_md_vectorized_function): Declare.
        * targhooks.c (default_builtin_vectorized_function): Replace the
        fndecl argument with an unsigned int.
        (default_builtin_md_vectorized_function): New function.
        * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_MD_VECTORIZED_FUNCTION):
        New hook.
        * doc/tm.texi: Regenerate.
        * tree-vect-stmts.c (vectorizable_function): Update call to
        builtin_vectorized_function, also passing internal functions.
        Call builtin_md_vectorized_function for target-specific builtins.
        * config/aarch64/aarch64-protos.h
        (aarch64_builtin_vectorized_function): Replace fndecl argument
        with an unsigned int.
        * config/aarch64/aarch64-builtins.c: Include case-cfn-macros.h.
        (aarch64_builtin_vectorized_function): Update after above changes.
        Use CASE_CFN_*.
        * config/arm/arm-protos.h (arm_builtin_vectorized_function): Replace
        fndecl argument with an unsigned int.
        * config/arm/arm-builtins.c: Include case-cfn-macros.h
        (arm_builtin_vectorized_function): Update after above changes.
        Use CASE_CFN_*.
        * config/i386/i386.c: Include case-cfn-macros.h
        (ix86_veclib_handler): Take a combined_fn rather than a
        built_in_function.
        (ix86_veclibabi_svml, ix86_veclibabi_acml): Likewise.  Use
        mathfn_built_in rather than calling builtin_decl_implicit directly.
        (ix86_builtin_vectorized_function) Update after above changes.
        Use CASE_CFN_*.
        * config/rs6000/rs6000.c: Include case-cfn-macros.h
        (rs6000_builtin_vectorized_libmass): Replace fndecl argument
        with a combined_fn.  Use CASE_CFN_*.  Use mathfn_built_in rather
        than calling builtin_decl_implicit directly.
        (rs6000_builtin_vectorized_function): Update after above changes.
        Use CASE_CFN_*.  Move BUILT_IN_MD to...
        (rs6000_builtin_md_vectorized_function): ...this new function.
        (TARGET_VECTORIZE_BUILTIN_MD_VECTORIZED_FUNCTION): Define.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vect-patterns.c: Include internal-fn.h.
        (vect_recog_pow_pattern): Use IFN_SQRT instead of BUILT_IN_SQRT*.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * tree.h (BUILTIN_EXP10_P, BUILTIN_EXPONENT_P, BUILTIN_SQRT_P)
        (BUILTIN_CBRT_P, BUILTIN_ROOT_P): Delete.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (expand_errno_check, expand_builtin_mathfn)
        (expand_builtin_mathfn_2): Delete.
        (expand_builtin): Remove handling of functions with
        internal function equivalents.
        * internal-fn.def (SET_EDOM): New internal function.
        * internal-fn.h (set_edom_supported_p): Declare.
        * internal-fn.c (expand_SET_EDOM): New function.
        (set_edom_supported_p): Likewise.
        * tree-call-cdce.c: Include builtins.h and internal-fn.h.
        Rewrite comment at head of file.
        (is_call_dce_candidate): Rename to...
        (can_test_argument_range): ...this.  Don't check gimple_call_lhs
        or gimple_call_builtin_p here.
        (edom_only_function): New function.
        (shrink_wrap_one_built_in_call_with_conds): New function, split out
        from...
        (shrink_wrap_one_built_in_call): ...here.
        (can_use_internal_fn, use_internal_fn): New functions.
        (shrink_wrap_conditional_dead_built_in_calls): Call use_internal_fn
        for calls that have an lhs.
        (pass_call_cdce::gate): Remove optimize_function_for_speed_p check.
        (pass_call_cdce::execute): Skip blocks that are optimized for size.
        Check gimple_call_builtin_p here.  Use can_use_internal_fn for
        calls with an lhs.
        * opts.c (default_options_table): Enable -ftree-builtin-call-cdce
        at -O and above.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.h (called_as_built_in): Declare.
        * builtins.c (called_as_built_in): Make external.
        * internal-fn.h (expand_internal_call): Define a variant that
        specifies the internal function explicitly.
        * internal-fn.c (expand_load_lanes_optab_fn)
        (expand_store_lanes_optab_fn, expand_ANNOTATE, expand_GOMP_SIMD_LANE)
        (expand_GOMP_SIMD_VF, expand_GOMP_SIMD_LAST_LANE)
        (expand_GOMP_SIMD_ORDERED_START, expand_GOMP_SIMD_ORDERED_END)
        (expand_UBSAN_NULL, expand_UBSAN_BOUNDS, expand_UBSAN_VPTR)
        (expand_UBSAN_OBJECT_SIZE, expand_ASAN_CHECK, expand_TSAN_FUNC_EXIT)
        (expand_UBSAN_CHECK_ADD, expand_UBSAN_CHECK_SUB)
        (expand_UBSAN_CHECK_MUL, expand_ADD_OVERFLOW, expand_SUB_OVERFLOW)
        (expand_MUL_OVERFLOW, expand_LOOP_VECTORIZED)
        (expand_mask_load_optab_fn, expand_mask_store_optab_fn)
        (expand_ABNORMAL_DISPATCHER, expand_BUILTIN_EXPECT, expand_VA_ARG)
        (expand_UNIQUE, expand_GOACC_DIM_SIZE, expand_GOACC_DIM_POS)
        (expand_GOACC_LOOP, expand_GOACC_REDUCTION, expand_direct_optab_fn)
        (expand_unary_optab_fn, expand_binary_optab_fn): Add an internal_fn
        argument.
        (internal_fn_expanders): Update prototype.
        (expand_internal_call): Define a variant that specifies the
        internal function explicitly. Use it to implement the previous
        interface.
        * cfgexpand.c (expand_call_stmt): Try to expand calls to built-in
        functions as calls to internal functions.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * Makefile.in (MOSTLYCLEANFILES): Add cfn-operators.pd.
        (generated_files): Likewise.
        (s-cfn-operators, cfn-operators.pd): New rules.
        (s-match): Depend on cfn-operators.pd.
        * gencfn-macros.c: Expand comment to describe -o behavior.
        (print_define_operator_list): New function.
        (main): Accept -o.  Call print_define_operator_list.
        * genmatch.c (main): Add the current directory to the include path.
        * match.pd (DEFINE_MATH_FN): Delete.  Include cfn-operators.pd
        instead.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/match-and-simplify.texi: Document the "null" identifier.
        * genmatch.c (id_base::NULL_ID): New kind.
        (null_id): New variable.
        (get_operator): Add a parameter that says whether null identifiers
        are allowed.
        (contains_id): New function.
        (lower_for): Skip substitutions that would have a null_id in
        either the match or the result.
        (parser::parse_for): Allow the null identifier to be used.
        (parser::parse_operator_list): Likewise.
        (main): Initialize null_id.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * match.pd: Use HYPOT and COS rather than hypot and cos.
        Use CASE_CFN_* macros.  Guard log/exp folds with
        SCALAR_FLOAT_TYPE_P.
        * genmatch.c (internal_fn): New enum.
        (fn_id::fn): Change to an unsigned int.
        (fn_id::fn_id): Accept internal_fn too.
        (add_builtin): Rename to...
        (add_function): ...this and turn into a template.
        (get_operator): Only try one variation if the original name fails.
        Only add _EXPR if the original name was all lower case.
        Try converting internal and built-in function names to their
        CFN equivalents.
        (expr::gen_transform): Use maybe_build_call_expr_loc for generic.
        (dt_simplify::gen_1): Likewise.
        (dt_node::gen_kids_1): Use gimple_call_combined_fn for gimple
        and get_call_combined_fn for generic.
        (dt_simplify::gen): Use combined_fn as the type of fn_ids.
        (decision_tree::gen): Likewise.
        (main): Use lower case in the strings for {VIEW_,}CONVERT[012].
        Use add_function rather than add_builtin.  Register internal
        functions too.
        * generic-match-head.c: Include case-cfn-macros.h.
        * gimple-fold.c (replace_stmt_with_simplification): Use
        gimple_call_combined_fn to test whether we can keep an
        existing call.
        * gimple-match.h (code_helper): Replace built_in_function
        with combined_fn.
        * gimple-match-head.c: Include fold-const-call.h, internal-fn.h
        and case-fn-macros.h.
        (gimple_resimplify1): Use fold_const_call.
        (gimple_resimplify2, gimple_resimplify3): Likewise.
        (build_call_internal, build_call): New functions.
        (maybe_push_res_to_seq): Use them.
        (gimple_simplify): Use fold_const_call.  Set *rcode to a combined_fn
        rather than a built-in function.
        * tree.h (build_call_expr_internal_loc): Declare.
        (maybe_build_call_expr_loc): Likewise.
        * tree.c (build_call_expr_internal_loc_array): New function.
        (maybe_build_call_expr_loc): Likewise.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.h (mathfn_built_in): Add a variant that takes
        a combined_fn.
        * builtins.c: Include case-cfn-macros.h.
        (CASE_MATHFN): Use CASE_CFN_*.
        (CASE_MATHFN_REENT): Use CFN_ codes.
        (mathfn_built_in_2, mathfn_built_in_1): Replace built_in_function
        argument with a combined_fn.
        (mathfn_built_in): Add a variant that takes a combined_fn.
        (expand_builtin_int_roundingfn_2): Update callers accordingly.
        (fold_builtin_sincos, fold_builtin_classify): Likewise.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vect-patterns.c: Include case-cfn-macros.h.
        (vect_recog_pow_pattern): Use combined_fn instead of built-in codes.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-ssa-math-opts.c: Include case-cfn-macros.h.
        (execute_cse_sincos_1): Use combined_fn instead of built-in codes.
        (pass_cse_sincos::execute): Likewise.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-ssa-reassoc.c: Include case-cfn-macros.h.
        (stmt_is_power_of_op): Use combined_fn instead of built-in codes.
        (decrement_power, acceptable_pow_call): Likewise.
        (attempt_builtin_copysign): Likewise.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vrp.c: Include case-cfn-macros.h.
        (extract_range_basic): Switch on combined_fn rather than handling
        built-in functions and internal functions separately.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * fold-const.h (negate_mathfn_p): Take a combined_fn rather
        than a built_in_function.
        (tree_call_nonnegative_warnv_p): Take a combined_fn rather than
        a function decl.
        (integer_valued_real_call_p): Likewise.
        * fold-const.c: Include case-cfn-macros.h
        (negate_mathfn_p): Take a combined_fn rather than a built_in_function.
        (negate_expr_p): Update accordingly.
        (tree_call_nonnegative_warnv_p): Take a combined_fn rather than
        a function decl.
        (integer_valued_real_call_p): Likewise.
        (tree_invalid_nonnegative_warnv_p): Update accordingly.
        (integer_valued_real_p): Likewise.
        * gimple-fold.c (gimple_call_nonnegative_warnv_p): Update call
        to tree_call_nonnegative_warnv_p.
        (gimple_call_integer_valued_real_p): Likewise
        integer_valued_real_call_p.
        * gimple-ssa-backprop.c: Include case-cfn-macros.h.
        (backprop::process_builtin_call_use): Extend to combined_fn.
        (strip_sign_op_1): Likewise.
        (backprop::process_use): Don't check for built-in calls here.
        (backprop::execute): Likewise.
        (backprop::optimize_builtin_call): Update call to negate_mathfn_p.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * fold-const-call.h (fold_const_call): Replace built_in_function
        arguments with combined_fn arguments.
        * fold-const-call.c: Include case-cfn-macros.h.
        (fold_const_call_ss, fold_const_call_cs, fold_const_call_sc)
        (fold_const_call_cc, fold_const_call_sss, fold_const_call_ccc)
        (fold_const_call_ssss, fold_const_call_1, fold_const_call): Replace
        built_in_function arguments with combined_fn arguments.
        * builtins.c (fold_builtin_sincos, fold_builtin_1, fold_builtin_2)
        (fold_builtin_3): Update calls to fold_const_call.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * Makefile.in (HASH_TABLE_H): Add GGC_H.
        (MOSTLYCLEANFILES, generated_files): Add case-fn-macros.h.
        (s-case-cfn-macros, case-cfn-macros.h, build/gencfn-macros.o)
        (build/gencfn-macros$(build_exeext): New rules.
        (genprogerr): Add cfn-macros.
        * hash-set.h (hash_set): Use the traits value_type as the key.
        * gencfn-macros.c: New file.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * internal-fn.def (DEF_INTERNAL_INT_FN): New macro.
        (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): New functions.
        * builtins.c (associated_internal_fn): Handle them.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.h (associated_internal_fn): Declare.
        (replacement_internal_fn): Likewise.
        * builtins.c: Include internal-fn.h
        (associated_internal_fn, replacement_internal_fn): New functions.
        * internal-fn.def (DEF_INTERNAL_FLT_FN): New macro.
        (ACOS, ASIN, ATAN, COS, EXP, EXP10, EXP2, EXPM1, LOG, LOG10, LOG1P)
        (LOG2, LOGB, SIGNIFICAND, SIN, SQRT, TAN, CEIL, FLOOR, NEARBYINT)
        (RINT, ROUND, TRUNC, ATAN2, COPYSIGN, FMOD, POW, REMAINDER, SCALB)
        (LDEXP): New functions.
        * internal-fn.c: Include recog.h.
        (unary_direct, binary_direct): New macros.
        (expand_direct_optab_fn): New function.
        (expand_unary_optab_fn): New macro.
        (expand_binary_optab_fn): Likewise.
        (direct_unary_optab_supported_p): Likewise.
        (direct_binary_optab_supported_p): Likewise.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * coretypes.h (tree_pair): New type.
        * internal-fn.def (DEF_INTERNAL_OPTAB_FN): New macro.  Use it
        for MASK_LOAD, LOAD_LANES, MASK_STORE and STORE_LANES.
        * internal-fn.h (direct_internal_fn_info): New structure.
        (direct_internal_fn_array): Declare.
        (direct_internal_fn_p, direct_internal_fn): New functions.
        (direct_internal_fn_types, direct_internal_fn_supported_p): Declare.
        * internal-fn.c (not_direct, mask_load_direct, load_lanes_direct)
        (mask_store_direct, store_lanes_direct): New macros.
        (direct_internal_fn_array) New array.
        (get_multi_vector_move): Return the optab handler without asserting
        that it is available.
        (expand_LOAD_LANES): Rename to...
        (expand_load_lanes_optab_fn): ...this and add an optab argument.
        (expand_STORE_LANES): Rename to...
        (expand_store_lanes_optab_fn): ...this and add an optab argument.
        (expand_MASK_LOAD): Rename to...
        (expand_mask_load_optab_fn): ...this and add an optab argument.
        (expand_MASK_STORE): Rename to...
        (expand_mask_store_optab_fn): ...this and add an optab argument.
        (direct_internal_fn_types, direct_optab_supported_p)
        (multi_vector_optab_supported_p, direct_internal_fn_supported_p)
        (direct_internal_fn_supported_p): New functions.
        (direct_mask_load_optab_supported_p): New macro.
        (direct_load_lanes_optab_supported_p): Likewise.
        (direct_mask_store_optab_supported_p): Likewise.
        (direct_store_lanes_optab_supported_p): Likewise.

2015-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-core.h (internal_fn): Move immediately after the definition
        of built_in_function.
        (combined_fn): New enum.
        * tree.h (as_combined_fn, builtin_fn_p, as_builtin_fn)
        (internal_fn_p, as_internal_fn): New functions.
        (get_call_combined_fn, combined_fn_name): Declare.
        * tree.c (get_call_combined_fn): New function.
        (combined_fn_name): Likewise.
        * gimple.h (gimple_call_combined_fn): Declare.
        * gimple.c (gimple_call_combined_fn): New function.

2015-11-17  Martin Sebor  <msebor@redhat.com>

        PR c++/68308
        * cp/init.c (build_new_1): Check for expression constness
        the right way.

2015-11-17  Sandra Loosemore  <sandra@codesourcery.com>

        PR target/53587
        * doc/invoke.texi (Option Summary): Add -mms-bitfields to x86
        option list.
        (x86 Options): Add -mms-bitfields and -mno-ms-bitfields.  Move
        discussion of the Microsoft structure layout details here from
        its former home in extend.texi.
        * doc/extend.texi (x86 Variable Attributes): Replace detailed
        discussion with pointer to its new location.  Add cross-reference
        to corresponding type attributes.
        (x86 Type Attributes): Add cross-references to command-line options
        and variable attributes.

2015-11-17  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR middle-end/68134
        * targhooks.c (default_get_mask_mode): Filter out
        scalar modes returned by mode_for_vector.

2015-11-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/68143
        * config/arm/arm.c (arm_block_set_unaligned_vect): Keep track of
        offset from dstbase and use it appropriately in
        adjust_automodify_address.
        (arm_block_set_aligned_vect): Likewise.

2015-11-17  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/t-visium (MULTILIB_OPTIONS): Add muser-mode.
        (MULTILIB_DIRNAMES): Adjust accordingly.

2015-11-17  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-cores.def (cortex-a35): New.
        * config/aarch64/aarch64.c (cortexa35_tunings): New.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi (-mcpu): Add Cortex-A35

2015-11-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/68263
        * config/i386/i386.h (BIGGEST_ALIGNMENT): Always define
        to 32 for IAMCU.
        * config/i386/sse.md (*mov<mode>_internal): Always enable
        AVX and SSE unaligned moves for IAMCU.

2015-11-17  Venkataramanan Kumar  <Venkataramanan.Kumar@amd.com>

        * tree-if-conv.c: Include varasm.h
        (ref_DR_map): Define.
        (baseref_DR_map): Like wise
        (struct ifc_dr): Add new tree predicate field.
        (hash_memrefs_baserefs_and_store_DRs_read_written_info): New function.
        (memrefs_read_or_written_unconditionally): Remove.
        (write_memrefs_written_at_least_once): Remove.
        (ifcvt_memrefs_wont_trap): Use hash maps to query
        unconditional read/written information.
        (if_convertible_loop_p_1):  Initialize hash maps and predicates
        before hashing data references and delete hashmaps at the end.

2015-11-16  Thomas Preud'homme <thomas.preudhomme@arm.com>

        PR 56036
        * doc/invoke.texi (Optimize Options): Move @end table to the right
        place.

2015-11-16  Sandra Loosemore  <sandra@codesourcery.com>

        PR 65129
        * doc/extend.texi (__builtin_assume_aligned): Fix formatting of
        return value.

2015-11-16  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/vsx.md (VSX_L): Do not include IBM extended double
        128-bit types, just types that fit in a single vector.
        * config/rs6000/rs6000.md (FMOVE128_GPR): Likewise.

2015-11-16  David Wohlferd  <dw@LimeGreenSocks.com>

        * doc/md.texi ('#' and '*' constraint modifiers): Do not include these
        in the user documentation.
        (define_peephole2, define_split): Similarly.

2015-11-16 Andris Pavenis <andris.pavenis@iki.fi>

        * lto-streamer-out.c (write_global_references): Adjust integer type.
        (lto_output_decl_state_refs): Likewise.

2015-11-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/arm-cores.def (cortex-a35): New.
        * config/arm/arm.c (arm_cortex_a35_tune): New.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Add cortex-a35.
        * config/arm/t-aprofile: Likewise.
        * doc/invoke.texi (-mcpu): Likewise.

2015-11-16  Jim Wilson  <jim.wilson@linaro.org>

        * config/arm/t-aprofile (MULTILIB_MATCHES): Add lines for exynos-m1
        and qdf24xx and xgene1 to match -march=armv8-a.

2015-11-16  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/68330
        * simplify-rtx.c (simplify_unary_operation_1): Simplify SIGN_EXTEND
        of LSHIFTRT by a non-zero constant integer.

2015-11-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68306
        * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Fix
        bogus copying from verify_data_ref_alignment and use continue
        instead of return.

2015-11-16  Oleg Endo  <olegendo@gcc.gnu.org>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/68277
        * config/sh/sh.md (addsi3_scr): Handle reg overlap of operands[0] and
        operands[2].
        (*addsi3): Add another insn_and_split variant for reload.

2015-11-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/68117
        * cfgexpand.c (pass_expand::execute): Destroy the edge
        redirection var map before setting RTL CFG hooks.

2015-11-16  Alan Lawrence  <alan.lawrence@arm.com>

        * config/i386/sse.md (reduc_splus_v8df): Rename to...
        (reduc_plus_scal_v8df): ...here; reduce to temp and extract scalar.

        (reduc_splus_v4df): Rename to...
        (reduc_plus_scal_v4df): ...here; reduce to temp and extract scalar.

        (reduc_splus_v2df): Rename to...
        (reduc_plus_scal_v2df): ...here; reduce to temp and extract scalar.

        (reduc_splus_v16sf): Rename to...
        (reduc_plus_scal_v16sf): ...here; reduce to temp and extract scalar.

        (reduc_splus_v8sf): Rename to...
        (reduc_plus_scal_v8sf): ...here; reduce to temp and extract scalar.

        (reduc_splus_v4sf): Rename to...
        (reduc_plus_scal_v4sf): ...here; reduce to temp and extract scalar.

        (reduc_<code>_<mode>, all 3 variants): Rename each to...
        (reduc_<code>_scal_<mode>): ...here; reduce to temp and extract scalar.

        (reduc_umin_v8hf): Rename to...
        (reduc_umin_scal_v8hf): ...here; reduce to temp and extract scalar.

2015-11-16  Kirill Yukhin  <kirill.yukhin@intel.com>

        * omp-low.c (pass_omp_simd_clone::gate): If target allows - call
        without additional conditions.
        * doc/extend.texi (@item simd): New.

2015-11-16  Tom de Vries  <tom@codesourcery.com>

        * passes.c (first_pass_instance): Remove variable.
        (execute_todo): Remove setting of first_pass_instance.
        * tree-pass.h (first_pass_instance): Remove declaration.

2015-11-16  Tom de Vries  <tom@codesourcery.com>

        * passes.def: Add arg to pass_ccp pass instantiation.
        * tree-ssa-ccp.c (ccp_finalize): Add param nonzero_p.  Use nonzero_p
        instead of first_pass_instance.
        (do_ssa_ccp): Add and handle param nonzero_p.
        (pass_ccp::pass_ccp): Initialize nonzero_p.
        (pass_ccp::set_pass_param): New member function.  Set nonzero_p.
        (pass_ccp::execute): Call do_ssa_ccp with extra arg.
        (pass_ccp::nonzero_p): New private member.

2015-11-16  Tom de Vries  <tom@codesourcery.com>

        * passes.def: Add arg to pass_object_sizes pass instantiation.
        * tree-object-size.c (pass_object_sizes::pass_object_sizes): Initialize
        insert_min_max_p.
        (pass_object_sizes::set_pass_param): New member function.  Set
        insert_min_max_p.
        (pass_object_sizes::insert_min_max_p): New private member.
        (pass_object_sizes::execute): Use insert_min_max_p instead of
        first_pass_instance.

2015-11-16  Tom de Vries  <tom@codesourcery.com>

        * passes.def: Add arg to pass_dominator pass instantiation.
        * tree-pass.h (first_pass_instance): Remove pass_dominator-related bit
        of comment.
        * tree-ssa-dom.c (pass_dominator::pass_dominator): Initialize
        may_peel_loop_headers_p.
        (pass_dominator::set_pass_param): New member function.  Set
        may_peel_loop_headers_p.
        (pass_dominator::may_peel_loop_headers_p): New private member.
        (pass_dominator::execute): Use may_peel_loop_headers_p instead of
        first_pass_instance.

2015-11-16  Tom de Vries  <tom@codesourcery.com>

        * passes.def: Add arg to pass_reassoc pass instantiation.
        * tree-ssa-reassoc.c (reassoc_insert_powi_p): New static variable.
        (acceptable_pow_call, reassociate_bb): Use reassoc_insert_powi_p instead
        of first_pass_instance.
        (execute_reassoc): Add and handle insert_powi_p parameter.
        (pass_reassoc::insert_powi_p): New private member.
        (pass_reassoc::pass_reassoc): Initialize insert_powi_p.
        (pass_reassoc::set_pass_param): New member function.  Set insert_powi_p.
        (pass_reassoc::execute): Call execute_reassoc with extra arg.

2015-11-16  Tom de Vries  <tom@codesourcery.com>

        * gdbhooks.py (class PassNames): Handle extra arg NEXT_PASS argument.
        * gen-pass-instances.awk (handle_line): Same.
        * pass_manager.h (class pass_manager): Define and undefine
        NEXT_PASS_WITH_ARG.
        * passes.c (opt_pass::set_pass_param): New function.
        (pass_manager::pass_manager): Define and undefine NEXT_PASS_WITH_ARG.
        * passes.def: Add extra arg to NEXT_PASS (pass_vrp).
        * tree-pass.h (gimple_opt::set_pass_param): Declare.
        * tree-vrp.c (vrp_finalize, execute_vrp): Add and handle
        warn_array_bounds_p parameter.
        (pass_vrp::pass_vrp): Initialize warn_array_bounds_p.
        (pass_vrp::set_pass_param): New function.
        (pass_vrp::execute): Add warn_array_bounds_p arg to execute_vrp call.
        (pass_vrp::warn_array_bounds_p): New private member.

2015-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_emit_probe_stack_range): Adjust.
        (output_probe_stack_range): Rotate the loop and simplify.

2015-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/rs6000/rs6000.c (rs6000_emit_probe_stack_rang): Adjust.
        (output_probe_stack_range): Rotate the loop and simplify.

2015-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/i386.c (ix86_adjust_stack_and_probe): Adjust and use
        an lea instruction when possible.
        (output_adjust_stack_and_probe): Rotate the loop and simplify.
        (ix86_emit_probe_stack_range): Adjust.
        (output_probe_stack_range): Rotate the loop and simplify.

2015-11-16  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm_neon.h: Remove #ifndef check on __ARM_NEON.
        Replace #ifdef __ARM_FEATURE_CRYPTO, __ARM_FEATURE_FMA, __ARM_FP
        with appropriate pragma GCC target.

2015-11-16  Christian Bruel  <christian.bruel@st.com>

        PR target/65837
        * config/arm/arm-c.c (arm_cpu_builtins): Conditionally set and reset
        __ARM_FEATURE_FMA and __ARM_NEON_FP, __ARM_FP.

2015-11-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c (cortexa57_branch_costs): New.
        (cortexa57_tunings): Use it.

2015-11-16  Christian Bruel  <christian.bruel@st.com>

        PR target/65837
        * config/arm/arm-c.c (arm_cpu_builtins): Set or reset
        __ARM_FEATURE_CRYPTO, __VFP_FP__, __ARM_NEON__
        (arm_pragma_target_parse): Change check for arm_cpu_builtins.
        undefine __ARM_FP.
        * config/arm/arm.c (arm_can_inline_p): Check FPUs.
        (arm_valid_target_attribute_rec): Handle -mfpu attribute target.
        * doc/invoke.texi (-mfpu=): Mention attribute and pragma.
        * doc/extend.texi (-mfpu=): Describe attribute.

2015-11-16  Christian Bruel  <christian.bruel@st.com>

        PR target/65837
        * config/arm/arm-protos.h (arm_init_neon_builtins): Declare.
        * config/arm/arm.c (arm_valid_target_attribute_tree): Call
        arm_init_neon_builtins.
        * config/arm/arm-builtins.c (arm_init_neon_builtins): Split into...
        (arm_init_neon_builtins_internal)
        (arm_init_crypto_builtins_internal):
        Test and set neon_set_p, neon_crypto_set_p.
        (neon_set_p, neon_crypto_set_p): New static booleans.

2015-11-16  Christian Bruel  <christian.bruel@st.com>

        PR target/65837
        * config/arm/arm.c (arm_fpu_desc): Remove.
        (all_fpus): Make global.
        (arm_option_override): Use FPU TARGET accessors.
        (arm_declare_function_name): Likewise.
        * config/arm/arm.h (TARGET_VFP, TARGET_VFPD32, TARGET_VFP5)
        (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE, TARGET_NEON_FP16)
        (TARGET_FP16, TARGET_FMA, TARGET_FPU_ARMV8, TARGET_CRYPTO)
        (TARGET_NEON): Likewise.
        (all_fpus): Declare extern.
        (TARGET_FPU_NAME, TARGET_FPU_MODEL, TARGET_FPU_REV)
        (TARGET_FPU_REGS, TARGET_FPU_FEATURES): Define all_fpus accessors.

2015-11-15  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        PR middle-end/68366
        * sdbout.c: Include emit-rtl.h and function.h.

2015-11-15  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/i386/freebsd.h (SUBTARGET32_DEFAULT_CPU): Change to i586.
        Remove support for FreeBSD 5 and earlier.

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * configure: Regenerate.
        * configure.ac: Always define ENABLE_OFFLOADING.
        * cgraph.c (cgraph_node::create): Adjust.
        * gcc.c (process_command): Likewise.
        * omp-low.c (create_omp_child_function): Likewise.
        (expand_omp_target): Likewise.
        * varpool.c (varpool_node::get_create): Likewise.

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (EH_RETURN_HANDLER_RTX): New default definition.
        * df-scan.c (df_get_exit_block_use_set): Adjust.
        * except.c (expand_eh_return): Likewise.

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * config/i386/i386.h (TARGET_PECOFF): Remove define.
        * defaults.h (TARGET_PECOFF): New default definition.
        * varasm.c (handle_vtv_comdat_section): Adjust.

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h: New definition of SDB_DEBUGGING_INFO.
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in: Adjust.
        * final.c (rest_of_clean_state): Remove check if
        SDB_DEBUGGING_INFO is defined.
        * function.c (number_blocks): Likewise.
        * output.h: Likewise.
        * sdbout.c: Likewise.
        * toplev.c (process_options): Likewise.

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * gsyms.h (enum sdb_type): Remove code for EXTENDED_SDB_BASIC_TYPES.
        (enum sdb_masks): Likewise.
        * sdbout.c (plain_type_1): Likewise.
        * system.h: Poison EXTENDED_SDB_BASIC_TYPES macro.

2015-11-14  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (lower_omp_ordered): Add argument to GOMP_SMD_ORDERED_*
        internal calls - 0 if ordered simd and 1 for ordered threads simd.
        * tree-vectorizer.c (adjust_simduid_builtins): If GOMP_SIMD_ORDERED_*
        argument is 1, replace it with GOMP_ordered_* call instead of removing
        it.

2015-11-13  Rich Felker <dalias@libc.org>

        * config/sh/sh.md (symGOT_load): Suppress __stack_chk_guard
        address loading hack for FDPIC targets.

2015-11-13  Ajit Agarwal  <ajitkum@xilinx.com>
            Jeff Law  <law@redhat.com>

        * Makefile.in (OBJS): Add gimple-ssa-split-paths.o
        * common.opt (-fsplit-paths): New flag controlling path splitting.
        * doc/invoke.texi (fsplit-paths): Document.
        * opts.c (default_options_table): Add -fsplit-paths to -O2.
        * passes.def: Add split_paths pass.
        * timevar.def (TV_SPLIT_PATHS): New timevar.
        * tracer.c: Include "tracer.h"
        (ignore_bb_p): No longer static.
        (transform_duplicate): New function, broken out of tail_duplicate.
        (tail_duplicate): Use transform_duplicate.
        * tracer.h (ignore_bb_p): Declare
        (transform_duplicate): Likewise.
        * tree-pass.h (make_pass_split_paths): Declare.
        * gimple-ssa-split-paths.c: New file.

2015-11-13  Kai Tietz  <ktietz70@googlemail.com>
            Marek Polacek  <polacek@redhat.com>
            Jason Merrill  <jason@redhat.com>

        * convert.c (maybe_fold_build1_loc): New.
        (maybe_fold_build2_loc): New.
        (convert_to_pointer_1): Split out from convert_to_pointer.
        (convert_to_pointer_nofold): New.
        (convert_to_real_1): Split out from convert_to_real.
        (convert_to_real_nofold): New.
        (convert_to_integer_1): Split out from convert_to_integer.
        (convert_to_integer_nofold): New.
        (convert_to_complex_1): Split out from convert_to_complex.
        (convert_to_complex_nofold): New.
        * convert.h: Declare new functions.
        * tree-complex.c (create_one_component_var): Break up line to
        avoid sequence point issues.

2015-11-13  Jason Merrill  <jason@redhat.com>

        * fold-const.c (fold_convert_const): Fold changing cv-quals on
        VECTOR_CST.

        * hash-map.h (hash_map::empty): New.

2015-11-13  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.c (scan_sharing_clauses): Accept INDEPENDENT, AUTO & SEQ.
        (oacc_loop_fixed_partitions): Correct return type to bool.
        (oacc_loop_auto_partitions): New.
        (oacc_loop_partition): Take mask argument, call
        oacc_loop_auto_partitions.
        (execute_oacc_device_lower): Provide mask to oacc_loop_partition.

2015-11-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/constraints.md (we constraint): New constraint for
        64-bit power9 vector support.
        (wL constraint): New constraint for the element in a vector that
        can be addressed by the MFVSRLD instruction.

        * config/rs6000/rs6000-protos.h (convert_float128_to_int): Add
        declaration.
        (convert_int_to_float128): Likewise.
        (rs6000_generate_compare): Add support for ISA 3.0 (power9)
        hardware support for IEEE 128-bit floating point.
        (rs6000_expand_float128_convert): Likewise.
        (convert_float128_to_int): Likewise.
        (convert_int_to_float128): Likewise.

        * config/rs6000/rs6000.md (UNSPEC_ROUND_TO_ODD): New unspecs for
        ISA 3.0 hardware IEEE 128-bit floating point.
        (UNSPEC_IEEE128_MOVE): Likewise.
        (UNSPEC_IEEE128_CONVERT): Likewise.
        (FMA_F): Add support for IEEE 128-bit floating point hardware support.
        (Ff): Add support for DImode.
        (Fv): Likewise.
        (any_fix code iterator): New and updated iterators for IEEE
        128-bit floating point hardware support.
        (any_float code iterator): Likewise.
        (s code attribute): Likewise.
        (su code attribute): Likewise.
        (az code attribute): Likewise.
        (uns code attribute): Likewise.
        (neg<mode>2, FLOAT128 iterator): Add support for IEEE 128-bit
        floating point hardware support.
        (abs<mode>2, FLOAT128 iterator): Likewise.
        (add<mode>3, IEEE128 iterator): New insns for IEEE 128-bit
        floating point hardware.
        (sub<mode>3, IEEE128 iterator): Likewise.
        (mul<mode>3, IEEE128 iterator): Likewise.
        (div<mode>3, IEEE128 iterator): Likewise.
        (copysign<mode>3, IEEE128 iterator): Likewise.
        (sqrt<mode>2, IEEE128 iterator): Likewise.
        (neg<mode>2, IEEE128 iterator): Likewise.
        (abs<mode>2, IEEE128 iterator): Likewise.
        (nabs<mode>2, IEEE128 iterator): Likewise.
        (fma<mode>4_hw, IEEE128 iterator): Likewise.
        (fms<mode>4_hw, IEEE128 iterator): Likewise.
        (nfma<mode>4_hw, IEEE128 iterator): Likewise.
        (nfms<mode>4_hw, IEEE128 iterator): Likewise.
        (extend<SFDF:mode><IEEE128:mode>2_hw): Likewise.
        (trunc<mode>df2_hw, IEEE128 iterator): Likewise.
        (trunc<mode>sf2_hw, IEEE128 iterator): Likewise.
        (fix_fixuns code attribute): Likewise.
        (float_floatuns code attribute): Likewise.
        (fix<uns>_<mode>si2_hw): Likewise.
        (fix<uns>_<mode>di2_hw): Likewise.
        (float<uns>_<mode>si2_hw): Likewise.
        (float<uns>_<mode>di2_hw): Likewise.
        (xscvqp<su>wz_<mode>): Likewise.
        (xscvqp<su>dz_<mode>): Likewise.
        (xscv<su>dqp_<mode): Likewise.
        (ieee128_mfvsrd): Likewise.
        (ieee128_mfvsrwz): Likewise.
        (ieee128_mtvsrw): Likewise.
        (ieee128_mtvsrd): Likewise.
        (trunc<mode>df2_odd): Likewise.
        (cmp<mode>_h): Likewise.
        (128-bit GPR splitters): Don't split a 128-bit move that is a
        direct move between GPR and vector registers using ISA 3.0 direct
        move instructions.
        (maddld4): Add support for the ISA 3.0 integer multiply-add
        instruction.

        * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add ISA 3.0
        debugging.
        (rs6000_init_hard_regno_mode_ok): If ISA 3.0 and 64-bit, enable we
        constraint.  Disable the VSX<->GPR direct move helpers if we have
        the MFVSRLD and MTVSRDD instructions.
        (rs6000_secondary_reload_simple_move): Add support for doing
        vector direct moves directly without additional scratch registers
        if we have ISA 3.0 instructions.
        (rs6000_secondary_reload_direct_move): Update comments.
        (rs6000_output_move_128bit): Add support for ISA 3.0 vector
        instructions.

        * config/rs6000/vsx.md (vsx_mov<mode>): Add support for ISA 3.0
        direct move instructions.
        (vsx_movti_64bit): Likewise.
        (vsx_extract_<mode>): Likewise.

        * config/rs6000/rs6000.h (VECTOR_ELEMENT_MFVSRLD_64BIT): New
        macros for ISA 3.0 direct move instructions.
        (TARGET_DIRECT_MOVE_128): Likewise.
        (TARGET_MADDLD): Add support for the ISA 3.0 integer multiply-add
        instruction.

        * doc/md.texi (RS/6000 constraints): Document we, wF, wG, wL
        constraints.  Update wa documentation to say not to use %x<n> on
        instructions that only take Altivec registers.

2015-11-13  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (OBJS): Add gcc-rich-location.o.
        * diagnostic.c (diagnostic_append_note): Pass line_table to
        rich_location ctor.
        (emit_diagnostic): Likewise.
        (inform): Likewise.
        (inform_n): Likewise.
        (warning): Likewise.
        (warning_at): Likewise.
        (warning_n): Likewise.
        (pedwarn): Likewise.
        (permerror): Likewise.
        (error): Likewise.
        (error_n): Likewise.
        (error_at): Likewise.
        (sorry): Likewise.
        (fatal_error): Likewise.
        (internal_error): Likewise.
        (internal_error_no_backtrace): Likewise.
        (source_range::debug): Likewise.
        * gcc-rich-location.c: New file.
        * gcc-rich-location.h: New file.
        * genmatch.c (fatal_at): Pass line_table to rich_location ctor.
        (warning_at): Likewise.
        * gimple.h (gimple_set_block): Use set_block function.
        * input.c (dump_line_table_statistics): Dump stats on how many
        ranges were optimized vs how many needed ad-hoc table.
        (write_digit_row): Add "map" param; use its range_bits
        to calculate the per-character offset.
        (dump_location_info): Print the range and column bits for each
        ordinary map.  Use the range bits to calculate the per-character
        offset.  Pass the map as a new param to the various calls to
        write_digit_row.  Eliminate uses of
        ORDINARY_MAP_NUMBER_OF_COLUMN_BITS.
        * print-tree.c (print_node): Print any source range information.
        * rtl-error.c (diagnostic_for_asm): Likewise.
        * toplev.c (general_init): Initialize line_table's
        default_range_bits.
        * tree-cfg.c (move_block_to_fn): Likewise.
        (move_block_to_fn): Likewise.
        * tree-inline.c (copy_phis_for_bb): Likewise.
        * tree.c (tree_set_block): Likewise.
        (get_pure_location): New function.
        (set_source_range): New functions.
        (set_block): New function.
        (set_source_range): New functions.
        * tree.h (CAN_HAVE_RANGE_P): New.
        (EXPR_LOCATION_RANGE): New.
        (EXPR_HAS_RANGE): New.
        (get_expr_source_range): New inline function.
        (DECL_LOCATION_RANGE): New.
        (set_source_range): New decls.
        (get_decl_source_range): New inline function.

2015-11-13  Alan Lawrence  <alan.lawrence@arm.com>

        PR tree-optimization/67682
        * tree-vect-slp.c (vect_split_slp_store_group): New.
        (vect_analyze_slp_instance): During basic block SLP, recurse on
        subgroups if vect_build_slp_tree fails after 1st vector.

2015-11-13  Christian Bruel  <christian.bruel@st.com>

        PR target/65837
        * config/arm/arm.c (arm_option_override): Move NEON check...
        (arm_option_check_internal): here
        (arm_file_start): Move .fpu print...
        (arm_declare_function_name): here
        (arm_option_print): Dump current fpu name.
        * config/arm/arm.opt (arm_fpu_index): Mark Save.

2015-11-13  Segher Boessenkool  <segher@kernel.crashing.org>
            Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * combine.c (subst): Don't substitute or simplify when
        handling register-wise widening multiply.
        (force_to_mode): Likewise.

2015-11-13  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/68264
        * tree-call-cdce.c (gen_one_condition): Update commentary.
        (gen_conditions_for_pow_int_base): Invert the sense of the tests
        passed to gen_one_condition.
        (gen_conditions_for_domain): Likewise.  Use unordered comparisons.
        (shrink_wrap_one_built_in_call): Invert the sense of the tests,
        using EDGE_FALSE_VALUE for edges to the call block and
        EDGE_TRUE_VALUE for the others.

2015-11-13  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_generate_vector_shuffle): Deal with
        complex types.

2015-11-13  Nathan Sidwell  <nathan@codesourcery.com>

        * gimplify.c (oacc_default_clause): Use inform for enclosing scope.

2015-11-13  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Rename prefix_len var to
        len_of_prefix.

2015-11-13  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Add args_str variable.

2015-11-13  Martin Liska  <mliska@suse.cz>

        * graphite-poly.c (free_scop): Release scop->drs vector.
        * graphite-scop-detection.c (scop_detection::harmful_stmt_in_region):
        Release dom vector.
        (try_generate_gimple_bb): Use vNULL as a default initialization
        for vectors.

2015-11-13  Martin Liska  <mliska@suse.cz>

        PR ipa/68311
        * ipa-icf.c (sem_item_optimizer::traverse_congruence_split):
        Replace array initialization (using a variable post-increment)
        that possible triggers multiple unsequenced modifications
        with a pair of pushes to a vector.

2015-11-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68306
        * tree-vect-data-refs.c (verify_data_ref_alignment): Move
        loop related checks ...
        (vect_verify_datarefs_alignment): ... here.
        (vect_slp_analyze_and_verify_node_alignment): Compute and
        verify alignment of the single DR that it matters.
        * tree-vect-stmts.c (vectorizable_store): Add an assert.
        (vectorizable_load): Add a comment.
        * tree-vect-slp.c (vect_analyze_slp_cost_1): Fix DR used
        for determining load cost.

2015-11-13  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-loop.c (vect_determine_vectorization_factor): Check
        mix of boolean and integer vectors in a single statement.
        * tree-vect-slp.c (vect_mask_constant_operand_p): New.
        (vect_get_constant_vectors): Use vect_mask_constant_operand_p to
        determine constant type.
        * tree-vect-stmts.c (vectorizable_comparison): Provide vectype
        for loop invariants.

2015-11-13  Alan Hayward <alan.hayward@arm.com>

        PR tree-optimization/66558
        * tree-vect-loop.c (is_integer_induction):Add.
        (vectorizable_reduction): Add integer induction checks.

2015-11-13  Christophe Lyon  <christophe.lyon@linaro.org>

        Revert [ARM] Remove neon-testgen.ml and generated tests.

        2015-11-12  Christophe Lyon  <christophe.lyon@linaro.org>

        [ARM] Remove neon-testgen.ml and generated tests.

        * config/arm/neon-testgen.ml: Remove.

2015-11-13  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_analyze_loop_2): Add fatal parameter.
        Signal fatal failure if early checks fail.
        (vect_analyze_loop): If vect_analyze_loop_2 fails fatally
        do not bother testing further vector sizes.

2015-11-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (misaligned_operand): Return true if
        operand is aligned to less than its natural alignmnet.

2015-11-13  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * doc/md.texi (vec_cmp@var{m}@var{n}): New item.
        (vec_cmpu@var{m}@var{n}): New item.
        (vcond@var{m}@var{n}): Specify comparison is signed.
        (vcondu@var{m}@var{n}): New item.
        (vcond_mask_@var{m}@var{n}): New item.
        (maskload@var{m}@var{n}): New item.
        (maskstore@var{m}@var{n}): New item.

2015-11-13  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-stmts.c (vectorizable_mask_load_store): Check
        types of stored value and storage are compatible.

2015-11-13  Andris Pavenis  <andris.pavenis@iki.fi>

        * gcc.c (POST_LINK_SPEC): Define if not already defined.
        (LINK_COMMAND_SPEC): Use post_link.
        (post_link_spec): New, initialize to POST_LINK_SPEC.
        (post_link): Initialize new static spec.
        * doc/tm.texi.in (POST_LINK_SPEC): Document.
        * doc/tm.texi: Regenerated.

2015-11-13  David Malcolm  <dmalcolm@redhat.com>

        PR driver/67613
        * Makefile.in (GCC_OBJS): Add spellcheck.o.
        (OBJS): Add spellcheck-tree.o.
        * gcc.c: Include "spellcheck.h".
        (suggest_option): New function.
        (driver::handle_unrecognized_options): Call suggest_option to
        provide a hint about misspelled options.
        * spellcheck.c: Update file comment.
        (levenshtein_distance): Convert 4-param implementation from static
        to extern scope.  Remove note about unit tests from leading
        comment for const char * implementation.  Move tree
        implementation to...
        * spellcheck-tree.c: New file.
        * spellcheck.h (levenshtein_distance):  Add 4-param decl.

2015-11-13  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (OBJS): Add spellcheck.o.
        * spellcheck.c: New file.
        * spellcheck.h: New file.

2015-11-13  James Bowman  <james.bowman@ftdichip.com>

        * config/ft32/ft32.md (*sne): New insn pattern.

2015-11-12  Brad Lucier  <lucier@math.purdue.edu>

        * cprop.c (is_too_expensive): Remove.
        (gcse.h): Include.
        (one_cprop_pass): Call gcse_or_cprop_is_too_expensive, not
        is_too_expensive.
        * gcse.h (gcse_or_cprop_is_too_expensive): Declare.
        * gcse.c (is_too_expensive): Rename to ...
        (gcse_or_cprop_is_too_expensive): ... this.
        Expand warning to add required size of max-gcse-memory.
        (one_pre_gcse_pass): Use it.
        (one_code_hoisting_pass): Use it.
        * params.def (max-gcse-memory): Increase from 50MB to 128MB.

2015-11-12  James Norris  <jnorris@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * gimple-pretty-print.c (dump_gimple_omp_target): Handle
        GF_OMP_TARGET_KIND_OACC_DECLARE.
        * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_DECLARE.
        (is_gomple_omp_oacc): Handle GF_OMP_TARGET_KIND_OACC_DECLARE.
        * gimplify.c (oacc_declare_returns): New.
        (gimplify_bind_expr): Prepend 'exit' stmt to cleanup.
        (device_resident_p): New function.
        (oacc_default_clause): Handle device_resident clause.
        (gimplify_oacc_declare_1, gimplify_oacc_declare): New functions.
        (gimplify_expr): Handle OACC_DECLARE.
        * omp-builtins.def (BUILT_IN_GOACC_DECLARE): New builtin.
        * omp-low.c (expand_omp_target): Handle
        GF_OMP_TARGET_KIND_OACC_DECLARE and BUILTIN_GOACC_DECLARE.
        (build_omp_regions_1): Handlde GF_OMP_TARGET_KIND_OACC_DECLARE.
        (lower_omp_target): Handle GF_OMP_TARGET_KIND_OACC_DECLARE,
        GOMP_MAP_DEVICE_RESIDENT and GOMP_MAP_LINK.
        (make_gimple_omp_edges): Handle GF_OMP_TARGET_KIND_OACC_DECLARE.
        * tree-pretty-print.c (dump_omp_clause): Handle GOMP_MAP_LINK and
        GOMP_MAP_DEVICE_RESIDENT.

2015-11-12  Christophe Lyon  <christophe.lyon@linaro.org>

        [ARM] Remove neon-testgen.ml and generated tests.

        * config/arm/neon-testgen.ml: Remove.

2015-11-12  Jim Wilson  <jim.wilson@linaro.org>

        * config/aarch64/aarch64-cores.def (qdf24xx): New.
        * config/aarch64/aarch64-tune.md: Regenerated.
        * config/arm/arm-cores.def (qdf24xx): New.
        * config/arm/arm-tables.opt, config/arm/arm-tune.md: Regenerated.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Add qdf24xx support.
        * doc/invoke.texi (AArch64 Options/-mtune): Add "qdf24xx".
        (ARM Options/-mtune): Likewise.

2015-11-12  Martin Liska  <mliska@suse.cz>

        * config/i386/i386.c (ix86_valid_target_attribute_p):
        Finalize options at the of the function.
        * gcc.c (driver_get_configure_time_options): Call newly
        introduced init_opts_obstack.
        * lto-wrapper.c (main): Likewise.
        * opts.c (init_opts_obstack): New function.
        (init_options_struct): Call newly introduced init_opts_obstack.
        * opts.h (init_options_struct): Declare.

2015-11-12  Martin Liska  <mliska@suse.cz>

        PR ipa/68035
        * ipa-icf.c (void sem_item::set_hash): New function.
        (sem_function::get_hash): Use renamed m_hash member variable.
        (sem_item::update_hash_by_addr_refs): Utilize get_hash.
        (sem_item::update_hash_by_local_refs): Likewise.
        (sem_variable::get_hash): Use renamed m_hash member variable.
        (sem_item_optimizer::update_hash_by_addr_refs): Utilize get_hash.
        (sem_item_optimizer::build_hash_based_classes): Utilize set_hash.
        (sem_item_optimizer::build_graph): As the hash value of an item
        is lazy initialized, force the calculation.
        * ipa-icf.h (set_hash): Declare new function and rename hash member
        variable to m_hash.

2015-11-12  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_slp_analyze_data_ref_dependences):
        Rename to vect_slp_analyze_instance_dependence.
        * tree-vect-data-refs.c (vect_slp_analyze_data_ref_dependence):
        Remove WAR special-case.
        (vect_slp_analyze_node_dependences): Instead add more specific
        code here, not relying on other instances being vectorized.
        (vect_slp_analyze_instance_dependence): Adjust accordingly.
        * tree-vect-slp.c (vect_build_slp_tree_1): Remove excessive
        vertical space in dump files.
        (vect_print_slp_tree): Likewise.
        (vect_analyze_slp_instance): Dump a header for the final SLP tree.
        (vect_slp_analyze_bb_1): Delay computing relevant stmts and
        not vectorized stmts until after dependence analysis removed
        instances.  Merge alignment and dependence checks.
        * tree-vectorizer.c (pass_slp_vectorize::execute): Clear visited
        flag on all stmts.

2015-11-12  Evandro Menezes  <e.menezes@samsung.com>

        * config/aarch64/aarch64-protos.h (tune_params): Add new members
        "max_case_values" and "cache_line_size".
        * config/aarch64/aarch64.c (aarch64_case_values_threshold): New
        function.
        (aarch64_override_options_internal): Tune heuristics based on new
        members in "tune_params".
        (TARGET_CASE_VALUES_THRESHOLD): Define macro.

2015-11-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68306
        * tree-vect-data-refs.c (verify_data_ref_alignment): Remove
        relevant and vectorizable checks here.
        (vect_verify_datarefs_alignment): Add relevant check here.

2015-11-12  Nathan Sidwell  <nathan@codesourcery.com>

        * gimplify.c (oacc_default_clause): New.
        (omp_notice_variable): Call it.

2015-11-12  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR tree-optimization/68305
        * tree-vect-slp.c (vect_get_constant_vectors): Support
        COND_EXPR with SSA_NAME as a condition.

2015-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/visium-protos.h (notice_update_cc): Delete.
        (print_operand): Likewise.
        (print_operand_address): Likewise.

2015-11-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.h (FUNCTION_VALUE, LIBCALL_VALUE,
        FUNCTION_VALUE_REGNO_P): Remove.
        * config/alpha/alpha-protos.h (function_value): Remove.
        * config/alpha/alpha.c (function_value): Rename to...
        (alpha_function_value_1): ... this.  Make static.
        (alpha_function_value, alpha_libcall_value,
        alpha_function_value_regno_p): New functions.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.

2015-11-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/alpha/alpha.c (alpha_memory_latency): Make static.
        (alpha_register_move_cost, alpha_memory_move_cost): New functions.
        (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.

2015-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/67265
        * config/i386/i386.c (ix86_adjust_stack_and_probe): Remove obsolete
        assertion on the CFA register.

2015-11-12  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * expr.c (do_store_flag): Expand vector comparison as
        VEC_COND_EXPR if vector comparison is not supported by target.

2015-11-12  Renlin Li  <renlin.li@arm.com>

        * config/arm/arm.md (addsi3_compare_op2): Make the order of
        assembly pattern consistent with constraint order.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Simplify match regexp.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Simplify init of
        postfix_starts_at.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Rename var where to
        call_starts_at.

2015-11-12  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (gen_compare_reg): Swap operands also when we
        do not expand to rtl.

2015-11-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/58497
        * tree-vect-generic.c: Include gimplify.h.
        (tree_vec_extract): Lookup constant/constructor DEFs.
        (do_cond): Unshare cond.

2015-11-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_legitimate_combined_insn): Reject
        combined insn if the alignment of vector mode memory operand
        is less than ssememalign.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Print parentheses and
        pass_name explicitly.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Add pass_num, prefix
        and postfix vars.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Add comments.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Rename len_of_end to
        len_of_close.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Add len_of_call variable.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Restructure using early-out.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Unify semicolon use.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk (handle_line): Remove unused var line_length.

2015-11-12  Tom de Vries  <tom@codesourcery.com>

        * gen-pass-instances.awk: Add emacs indent setting.

2015-11-12  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * fold-const.c (fold_binary_loc) : Move Convert A/B/C to A/(B*C)
        to match.pd.
        Move Convert A/(B/C) to (A/B)*C to match.pd.
        Move Convert C1/(X*C2) into (C1/C2)/X to match.pd.
        Move Optimize (X & (-A)) / A where A is a power of 2, to
        X >> log2(A) to match.pd.

        * match.pd (rdiv (rdiv:s @0 @1) @2): New simplifier.
        (rdiv @0 (rdiv:s @1 @2)): New simplifier.
        (div (convert? (bit_and @0 INTEGER_CST@1)) INTEGER_CST@2):
        New simplifier.
        (rdiv REAL_CST@0 (mult @1 REAL_CST@2)): New simplifier.

2015-11-12  Charles Baylis  <charles.baylis@linaro.org>

        * config/arm/neon.md: (neon_vld2_lane<mode>): Remove unused max
        variable.
        (neon_vst2_lane<mode>): Likewise.
        (neon_vld3_lane<mode>): Likewise.
        (neon_vst3_lane<mode>): Likewise.
        (neon_vld4_lane<mode>): Likewise.
        (neon_vst4_lane<mode>): Likewise.

2015-11-11  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
        New member codegen_error
        (translate_isl_ast_for_loop): Remove call to single_succ_edge and
        early return.
        (translate_isl_ast_node_user): Early return in case of error.
        (translate_isl_ast_to_gimple::translate_isl_ast): Same.
        (translate_isl_ast_to_gimple::translate_pending_phi_nodes): New.
        (add_parameters_to_ivs_params): Remove macro.
        (graphite_regenerate_ast_isl): Add if_region pointer to region.
        * graphite-poly.c (new_poly_dr): Remove macro.
        (print_pdr): Same.
        (new_gimple_poly_bb): Same.
        (free_gimple_poly_bb): Same.
        (print_scop_params): Same.
        * graphite-poly.h (struct poly_dr): Same.
        (struct poly_bb): Add new_bb.
        (gbb_from_bb): Remove dead code.
        (pbb_from_bb): Same.
        * graphite-scop-detection.c (parameter_index_in_region_1): Same.
        (parameter_index_in_region): Same.
        (find_scop_parameters): Same.
        (build_cross_bb_scalars_def): New.
        (build_cross_bb_scalars_use): New.
        (graphite_find_cross_bb_scalar_vars): New
        (try_generate_gimple_bb): Reads and Writes.
        (build_alias_set): Move.
        (gather_bbs::before_dom_children): Gather bbs visited.
        (build_scops): call build_alias_set.
        * graphite-sese-to-poly.c (phi_arg_in_outermost_loop): Delete.
        (remove_simple_copy_phi): Delete.
        (remove_invariant_phi): Delete.
        (simple_copy_phi_p): Delete.
        (reduction_phi_p): Delete.
        (isl_id_for_dr): Remove unused param.
        (parameter_index_in_region_1): Remove macro usage.
        (set_scop_parameter_dim): Same.
        (add_param_constraints): Same.
        (add_conditions_to_constraints): Same
        (build_scop_iteration_domain): Same.
        (pdr_add_alias_set): Comment.
        (add_scalar_version_numbers): New.
        (build_poly_dr): ISL id.
        (build_scop_drs): Move.
        (build_poly_sr_1): Same.
        (insert_stmts): Remove.
        (build_poly_sr): New.
        (new_pbb_from_pbb): Delete.
        (insert_out_of_ssa_copy_on_edge): Delete.
        (create_zero_dim_array): Delete.
        (scalar_close_phi_node_p): Delete.
        (propagate_expr_outside_region): Delete.
        (rewrite_close_phi_out_of_ssa): Delete.
        (rewrite_phi_out_of_ssa): Delete.
        (rewrite_degenerate_phi): Delete.
        (rewrite_reductions_out_of_ssa): Delete.
        (rewrite_cross_bb_scalar_dependence): Delete.
        (handle_scalar_deps_crossing_scop_limits):
        (rewrite_cross_bb_scalar_deps): Delete.
        (build_poly_scop): Remove calls to out-of-ssa functions.
        * graphite.c (graphite_transform_loops): Early return in case of
        codegen error.
        * sese.c (debug_rename_map_1): Delete.
        (debug_rename_map): Delete.
        (sese_record_loop): Remove macro.
        (build_sese_loop_nests): Same.
        (new_sese_info): Same.
        (free_sese_info): Same.
        (sese_insert_phis_for_liveouts):
        (is_loop_closed_ssa_use): New.
        (number_of_phi_nodes): New.
        (bb_contains_loop_close_phi_nodes): New.
        (bb_contains_loop_phi_nodes): New.
        (phi_uses_name): New.
        (is_valid_rename):
        (get_rename): Add old_bb and loop_phi for more precise matching of
        exprs.
        (set_rename): Pass region.
        (later_of_the_two): New.
        (gsi_insert_earliest): New.
        (collect_all_ssa_names): New.
        (substitute_ssa_name): New.
        (rename_all_uses): New.
        (get_rename_from_scev): New.
        (rename_uses): Pass old_bb for more precise matching of exprs.
        (get_def_bb_for_const): New.
        (get_new_name): New.
        (get_loc): New.
        (get_edges): New.
        (copy_loop_phi_args): New.
        (copy_loop_phi_nodes): New.
        (get_loop_init_value): New.
        (find_init_value): New.
        (find_init_value_close_phi): New.
        (copy_loop_close_phi_args): New.
        (copy_loop_close_phi_nodes): New.
        (add_phi_arg_for_new_expr): New.
        (copy_cond_phi_args): New.
        (copy_cond_phi_nodes): New.
        (copy_phi_nodes): New.
        (should_copy_to_new_region): New.
        (set_rename_for_each_def): New.
        (graphite_copy_stmts_from_block): Early return in case of error.
        (copy_bb_and_scalar_dependences): Same.
        * sese.h (vec_find): New.
        (SESE_PARAMS): Delete.
        (SESE_LOOPS): Delete.
        (SESE_LOOP_NEST): Delete.
        (sese_contains_loop): Remove macro usage.
        (sese_nb_params): Same.
        (struct gimple_poly_bb): Added read_scalar_refs, write_scalar_refs.

2015-11-11  Abderrazek Zaafrani  <a.zaafrani@samsung.com>

        * graphite-sese-to-poly.c (build_scop_original_schedule): Call
        isl_union_map_add_map on every pbb->schedule.

2015-11-11  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (create_parallel_loop): Return void.

2015-11-11  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (transform_to_exit_first_loop_alt): Insert new exit
        block only when needed.

2015-11-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha-protos.h (print_operand): Remove.
        (print_operand_address): Remove.
        * config/alpha/alpha.h (PRINT_OPERAND): Remove.
        (PRINT_OPERAND_ADDRESS): Remove.
        (PRINT_OPERAND_PUNCT_VALID_P): Remove.
        * config/alpha/alpha.c (TARGET_PRINT_OPERAND): New hook define.
        (TARGET_PRINT_OPERAND_ADDRESS): New hook define.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): New hook define.
        (print_operand_address): Rename to...
        (alpha_print_operand_address): ...this and make static.
        (print_operand): Rename to...
        (alpha_print_operand): ...this and make static.
        (alpha_print_operand_punct_valid_p): New static function.

2015-11-11  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_slp_analyze_and_verify_instance_alignment):
        Declare.
        (vect_analyze_data_refs_alignment): Make loop vect specific.
        (vect_verify_datarefs_alignment): Likewise.
        * tree-vect-data-refs.c (vect_slp_analyze_data_ref_dependences):
        Add missing continue.
        (vect_compute_data_ref_alignment): Export.
        (vect_compute_data_refs_alignment): Merge into...
        (vect_analyze_data_refs_alignment): ... this.
        (verify_data_ref_alignment): Split out from ...
        (vect_verify_datarefs_alignment): ... here.
        (vect_slp_analyze_and_verify_node_alignment): New function.
        (vect_slp_analyze_and_verify_instance_alignment): Likewise.
        * tree-vect-slp.c (vect_supported_load_permutation_p): Remove
        misplaced checks on alignment.
        (vect_slp_analyze_bb_1): Add fatal output parameter.  Do
        alignment analysis after SLP discovery and do it per instance.
        (vect_slp_bb): When vect_slp_analyze_bb_1 fatally failed do not
        bother to re-try using different vector sizes.

2015-11-11  Nathan Sidwell  <nathan@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>

        * gimplify.c (enum omp_region_type): Add ORT_ACC,
        ORT_ACC_DATA, ORT_ACC_PARALLEL, ORT_ACC_KERNELS.  Adjust ORT_NONE.
        (gimple_add_tmp_var): Add ORT_ACC checks.
        (gimplify_var_or_parm_decl): Likewise.
        (omp_firstprivatize_variable): Likewise. Use ORT_TARGET_DATA as a mask.
        (omp_add_variable): Look in outer contexts for openacc and allow
        reductions with other sharing. Add ORT_ACC and ORT_TARGET_DATA checks.
        (omp_notice_variable, omp_is_private, omp_check_private): Add
        ORT_ACC checks.
        (gimplify_scan_omp_clauses: Treat ORT_ACC as ORT_WORKSHARE.
        Permit private openacc reductions.
        (gimplify_oacc_cache): Specify ORT_ACC.
        (gimplify_omp_workshare): Adjust OpenACC region types.
        (gimplify_omp_target_update): Likewise.
        * omp-low.c (scan_sharing_clauses): Remove Openacc firstprivate sorry.
        (lower-rec_input_clauses): Don't handle openacc firstprivate
        references here.
        (lower_omp_target): Emit initializers for openacc firstprivate vars.

2015-11-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/67265
        * ira.c (ira_setup_eliminable_regset): Do not necessarily create the
        frame pointer for stack checking if non-call exceptions aren't used.
        * config/i386/i386.c (ix86_finalize_stack_realign_flags): Likewise.

2015-11-11  Segher Boessenkool  <segher@kernel.crashing.org>

        * simplify-rtx.c (simplify_truncation): Simplify TRUNCATE of AND of
        [LA]SHIFTRT.

2015-11-11  Martin Liska  <mliska@suse.cz>
            Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/68287
        * lra-lives.c (lra_create_live_ranges_1): Reserve the right
        number of elements.

2015-11-11  Simon Dardis  <simon.dardis@imgtec.com>

        * config/mips/mips.c (mips_breakable_sequence_p): New function.
        (mips_break_sequence): New function.
        (mips_reorg_process_insns): Use them. Use compact branches in selected
        situations.

2015-11-11  Alan Lawrence  <alan.lawrence@arm.com>

        * fold-const.c (get_array_ctor_element_at_index): Fix whitespace, typo.

2015-11-11  Jiong Wang  <jiong.wang@arm.com>
            Jim Wilson  <wilson@gcc.gnu.org>

        PR target/67305
        * config/arm/arm.md (neon_vector_mem_operand): Return FALSE if strict
        be true and eliminable registers mentioned.

2015-11-11  Claudiu Zissulescu  <claziss@synopsys.com>

        * common/config/arc/arc-common.c (arc_handle_option): Handle ARCv2
        options.
        * config/arc/arc-opts.h: Add ARCv2 CPUs.
        * config/arc/arc-protos.h (arc_secondary_reload_conv): Prototype.
        * config/arc/arc.c (arc_secondary_reload): Handle subreg (reg)
        situation, and store instructions with large offsets.
        (arc_secondary_reload_conv): New function.
        (arc_init): Add ARCv2 options.
        (arc_conditional_register_usage): Select the proper register usage
        for ARCv2 processors.
        (arc_handle_interrupt_attribute): ILINK2 is only valid for ARCv1
        architecture.
        (arc_compute_function_type): Likewise.
        (arc_print_operand): Handle new ARCv2 punctuation characters.
        (arc_return_in_memory): ARCv2 ABI returns in registers up to 16 bytes.
        (workaround_arc_anomaly, arc_asm_insn_p, arc_loop_hazard): New
        function.
        (arc_reorg, arc_hazard): Use it.
        * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __HS__ and __EM__.
        (ASM_SPEC): Add ARCv2 options.
        (TARGET_NORM): ARC HS has norm instructions by default.
        (TARGET_OPTFPE): Use optimized floating point emulation for ARC HS.
        (TARGET_AT_DBR_CONDEXEC): Only for ARC600 family.
        (TARGET_EM, TARGET_HS, TARGET_V2, TARGET_MPYW, TARGET_MULTI): Define.
        (SIGNED_INT16, TARGET_MPY, TARGET_ARC700_MPY, TARGET_ANY_MPY):
        Likewise.
        (TARGET_ARC600_FAMILY, TARGET_ARCOMPACT_FAMILY): Likewise.
        (TARGET_LP_WR_INTERLOCK): Likewise.
        * config/arc/arc.md
        (commutative_binary_mult_comparison_result_used, movsicc_insn)
        (mulsi3, mulsi3_600_lib, mulsidi3, mulsidi3_700, mulsi3_highpart)
        (umulsi3_highpart_i, umulsi3_highpart_int, umulsi3_highpart)
        (umulsidi3, umulsidi3_700, cstoresi4, simple_return, p_return_i):
        Use it for ARCv2.
        (mulhisi3, mulhisi3_imm, mulhisi3_reg, umulhisi3, umulhisi3_imm)
        (umulhisi3_reg, umulhisi3_reg, mulsi3_v2, nopv, bswapsi2)
        (prefetch, divsi3, udivsi3 modsi3, umodsi3, arcset, arcsetltu)
        (arcsetgeu, arcsethi, arcsetls, reload_*_load, reload_*_store)
        (extzvsi): New pattern.
        * config/arc/arc.opt: New ARCv2 options.
        * config/arc/arcEM.md: New file.
        * config/arc/arcHS.md: Likewise.
        * config/arc/constraints.md (C3p): New constraint, accepts 1 and 2
        values.
        (Cm2): A signed 9-bit integer constant constraint.
        (C62): An unsigned 6-bit integer constant constraint.
        (C16): A signed 16-bit integer constant constraint.
        * config/arc/predicates.md (mult_operator): Add ARCv2 processort.
        (short_const_int_operand): New predicate.
        * config/arc/t-arc-newlib: Add ARCv2 multilib options.
        * doc/invoke.texi: Add documentation for -mcpu=<archs/arcem>
        -mcode-density and -mdiv-rem.

2015-11-11  Julia Koval  <julia.koval@intel.com>

        * config/i386/i386.c (m_SKYLAKE_AVX512): Fix typo.

2015-11-11  Julia Koval  <julia.koval@intel.com>

        * config/i386/i386.c: Handle "skylake" and "skylake-avx512".

2015-11-11  Martin Liska  <mliska@suse.cz>

        * gimple-ssa-strength-reduction.c (create_phi_basis):
        Use auto_vec.
        * passes.c (release_dump_file_name): New function.
        (pass_init_dump_file): Used from this function.
        (pass_fini_dump_file): Likewise.
        * tree-sra.c (convert_callers_for_node): Use xstrdup_for_dump.
        * var-tracking.c (vt_initialize): Use pool_allocator.

2015-11-11  Richard Biener  <rguenth@gcc.gnu.org>
            Jiong Wang      <jiong.wang@arm.com>

        PR tree-optimization/68234
        * tree-vrp.c (vrp_visit_phi_node): Extend SCEV check to those loop PHI
        node which estimiated to be VR_VARYING initially.

2015-11-11  Robert Suchanek  <robert.suchanek@imgtec.com>

        * regname.c (scan_rtx_reg): Check the matching number of consecutive
        registers when tying chains.
        (build_def_use): Move terminated_this_insn earlier in the function.

2015-11-10  Mike Frysinger  <vapier@gentoo.org>

        * configure.ac: Use = with test and not ==.
        * configure: Regenerated.

2015-11-11  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/aix.h (TARGET_OS_AIX_CPP_BUILTINS): Add cpu and
        machine asserts.  Update defines for 64 bit.

2015-11-11  Charles Baylis  <charles.baylis@linaro.org>

        PR target/63870
        * config/arm/neon.md (neon_vld1_lane<mode>): Remove error for invalid
        lane number.
        (neon_vst1_lane<mode>): Likewise.
        (neon_vld2_lane<mode>): Likewise.
        (neon_vst2_lane<mode>): Likewise.
        (neon_vld3_lane<mode>): Likewise.
        (neon_vst3_lane<mode>): Likewise.
        (neon_vld4_lane<mode>): Likewise.
        (neon_vst4_lane<mode>): Likewise.

2015-11-11  Charles Baylis  <charles.baylis@linaro.org>

        PR target/63870
        * config/arm/arm-builtins.c: (arm_load1_qualifiers) Use
        qualifier_struct_load_store_lane_index.
        (arm_storestruct_lane_qualifiers) Likewise.
        * config/arm/neon.md: (neon_vld1_lane<mode>) Reverse lane numbers for
        big-endian.
        (neon_vst1_lane<mode>) Likewise.
        (neon_vld2_lane<mode>) Likewise.
        (neon_vst2_lane<mode>) Likewise.
        (neon_vld3_lane<mode>) Likewise.
        (neon_vst3_lane<mode>) Likewise.
        (neon_vld4_lane<mode>) Likewise.
        (neon_vst4_lane<mode>) Likewise.

2015-11-11  Charles Baylis  <charles.baylis@linaro.org>

        PR target/63870
        * config/arm/arm-builtins.c (enum arm_type_qualifiers): New enumerator
        qualifier_struct_load_store_lane_index.
        (builtin_arg): New enumerator NEON_ARG_STRUCT_LOAD_STORE_LANE_INDEX.
        (arm_expand_neon_args): New parameter. Remove ellipsis. Handle NEON
        argument qualifiers.
        (arm_expand_neon_builtin): Handle new NEON argument qualifier.
        * config/arm/arm.h (NEON_ENDIAN_LANE_N): New macro.

2015-11-10  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.opt (moptimize): New flag.
        * config/nvptx/nvptx.c (nvptx_option_override): Set nvptx_optimize
        default.
        (nvptx_optimize_inner): New.
        (nvptx_process_pars): Call it when optimizing.
        * doc/invoke.texi (Nvidia PTX Options): Document -moptimize.

2015-11-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_secondary_reload_direct_move):
        Remove redundant code.

2015-11-10  Jeff Law  <law@redhat.com>

        * config/ft32/ft32.c (ft32_print_operand): Supply mode to
        call to output_address.
        * config/moxie/moxie.c (moxie_print_operand_address): Similarly.
        Add unnamed machine_mode argument.

2015-11-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config.gcc (powerpc*-*-*, rs6000*-*-*): Add power9 to hosts that
        default to 64-bit.

2015-11-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movabs<mode>_1): Add explicit
        size directives for -masm=intel.
        (*movabs<mode>_2): Ditto.

2015-11-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_print_operand): Remove dead code that
        tried to avoid (%rip) for call operands.

2015-11-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_print_operand_address_as): Add no_rip
        argument.  Do not use RIP relative addressing when no_rip is set.
        (ix86_print_operand): Update call to ix86_print_operand_address_as.
        (ix86_print_operand_address): Ditto.
        * config/i386/i386.md (*movabs<mode>_1): Use %P modifier for
        absolute movabs operand 0.  Add square braces for -masm=intel.
        (*movabs<mode>_2): Ditto for operand 1.

2015-11-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_new_rtx_costs, FIX case): Handle
        combine_vcvtf2i pattern.

2015-11-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (neon_valid_immediate): Remove integer
        CONST_DOUBLE handling.  It should never occur.

2015-11-10  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/atomics.md (unspecv): Move to iterators.md.
        (ATOMIC_LDOP): Likewise.
        (atomic_ldop): Likewise.
        * config/aarch64/iterators.md (unspecv): Moved from atomics.md.
        (ATOMIC_LDOP): Likewise.
        (atomic_ldop): Likewise.

2015-11-10  Martin Liska  <mliska@suse.cz>

        * alloc-pool.h (allocate_raw): New function.
        (operator new (size_t, object_allocator<T> &a)): Use the
        function instead of object_allocator::allocate).

2015-11-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/sse.md (HALFMASKMODE): New attribute.
        (DOUBLEMASKMODE): New attribute.
        (vec_pack_trunc_qi): New.
        (vec_pack_trunc_<mode>): New.
        (vec_unpacks_lo_hi): New.
        (vec_unpacks_lo_si): New.
        (vec_unpacks_lo_di): New.
        (vec_unpacks_hi_hi): New.
        (vec_unpacks_hi_<mode>): New.

2015-11-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * optabs.c (expand_binop_directly): Allow scalar mode for
        vec_pack_trunc_optab.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Skip
        boolean vector producers from pattern sequence when computing VF.
        * tree-vect-patterns.c (vect_vect_recog_func_ptrs) Add
        vect_recog_mask_conversion_pattern.
        (search_type_for_mask): Choose the smallest
        type if different size types are mixed.
        (build_mask_conversion): New.
        (vect_recog_mask_conversion_pattern): New.
        (vect_pattern_recog_1): Allow scalar mode for boolean vectype.
        * tree-vect-stmts.c (vectorizable_mask_load_store): Support masked
        load with pattern.
        (vectorizable_conversion): Support boolean vectors.
        (free_stmt_vec_info): Allow patterns for statements with no lhs.
        * tree-vectorizer.h (NUM_PATTERNS): Increase to 14.

2015-11-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/i386-protos.h (ix86_expand_sse_movcc): New.
        * config/i386/i386.c (ix86_expand_sse_movcc): Make public.
        Cast mask to FP mode if required.
        * config/i386/sse.md (vcond_mask_<mode><avx512fmaskmodelower>): New.
        (vcond_mask_<mode><avx512fmaskmodelower>): New.
        (vcond_mask_<mode><sseintvecmodelower>): New.
        (vcond_mask_<mode><sseintvecmodelower>): New.
        (vcond_mask_v2div2di): New.
        (vcond_mask_<mode><sseintvecmodelower>): New.
        (vcond_mask_<mode><sseintvecmodelower>): New.

2015-11-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * optabs-query.h (get_vcond_mask_icode): New.
        * optabs-tree.c (expand_vec_cond_expr_p): Use
        get_vcond_mask_icode for VEC_COND_EXPR with mask.
        * optabs.c (expand_vec_cond_mask_expr): New.
        (expand_vec_cond_expr): Use get_vcond_mask_icode when possible.
        * optabs.def (vcond_mask_optab): New.
        * tree-vect-patterns.c (vect_recog_bool_pattern): Don't
        generate redundant comparison for COND_EXPR.
        * tree-vect-stmts.c (vect_is_simple_cond): Allow SSA_NAME
        as a condition.
        (vectorizable_condition): Likewise.
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Allow
        cond_exp with no embedded comparison.
        (vect_build_slp_tree_1): Likewise.

2015-11-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/sse.md (maskload<mode>): Rename to ...
        (maskload<mode><sseintvecmodelower>): ... this.
        (maskstore<mode>): Rename to ...
        (maskstore<mode><sseintvecmodelower>): ... this.
        (maskload<mode><avx512fmaskmodelower>): New.
        (maskstore<mode><avx512fmaskmodelower>): New.

2015-11-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * internal-fn.c (expand_MASK_LOAD): Adjust to maskload optab changes.
        (expand_MASK_STORE): Adjust to maskstore optab changes.
        * optabs-query.c (can_vec_mask_load_store_p): Add MASK_MODE arg.
         Adjust to maskload, maskstore optab changes.
        * optabs-query.h (can_vec_mask_load_store_p): Add MASK_MODE arg.
        * optabs.def (maskload_optab): Transform into convert optab.
        (maskstore_optab): Likewise.
        * tree-if-conv.c (ifcvt_can_use_mask_load_store): Adjust to
        can_vec_mask_load_store_p signature change.
        (predicate_mem_writes): Use boolean mask.
        * tree-vect-stmts.c (vectorizable_mask_load_store): Adjust to
        can_vec_mask_load_store_p signature change.  Allow invariant masks.
        (vectorizable_operation): Ignore type precision for boolean vectors.

2015-11-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * expr.c (do_store_flag): Use expand_vec_cmp_expr for mask results.
        (const_vector_mask_from_tree): New.
        (const_vector_from_tree): Use const_vector_mask_from_tree
        for boolean vectors.
        * optabs-query.h (get_vec_cmp_icode): New.
        * optabs-tree.c (expand_vec_cmp_expr_p): New.
        * optabs-tree.h (expand_vec_cmp_expr_p): New.
        * optabs.c (vector_compare_rtx): Add OPNO arg.
        (expand_vec_cond_expr): Adjust to vector_compare_rtx change.
        (expand_vec_cmp_expr): New.
        * optabs.def (vec_cmp_optab): New.
        (vec_cmpu_optab): New.
        * optabs.h (expand_vec_cmp_expr): New.
        * tree-vect-generic.c (expand_vector_comparison): Add vector
        comparison optabs check.
        * tree-vect-loop.c (vect_determine_vectorization_factor):  Ignore mask
        operations for VF.  Add mask type computation.
        * tree-vect-stmts.c (get_mask_type_for_scalar_type): New.
        (vectorizable_comparison): New.
        (vect_analyze_stmt): Add vectorizable_comparison.
        (vect_transform_stmt): Likewise.
        (vect_init_vector): Support boolean vector invariants.
        (vect_get_vec_def_for_operand): Add VECTYPE arg.
        (vectorizable_condition): Directly provide vectype for invariants
        used in comparison.
        * tree-vectorizer.h (get_mask_type_for_scalar_type): New.
        (enum vect_var_kind): Add vect_mask_var.
        (enum stmt_vec_info_type): Add comparison_vec_info_type.
        (vectorizable_comparison): New.
        (vect_get_vec_def_for_operand): Add VECTYPE arg.
        * tree-vect-data-refs.c (vect_get_new_vect_var): Support vect_mask_var.
        (vect_create_destination_var): Likewise.
        * tree-vect-patterns.c (check_bool_pattern): Check fails
        if we can vectorize comparison directly.
        (search_type_for_mask): New.
        (vect_recog_bool_pattern): Support cases when bool pattern check fails.
        * tree-vect-slp.c (vect_build_slp_tree_1): Allow
        comparison statements.
        (vect_get_constant_vectors): Support boolean vector constants.
        * config/i386/i386-protos.h (ix86_expand_mask_vec_cmp): New.
        (ix86_expand_int_vec_cmp): New.
        (ix86_expand_fp_vec_cmp): New.
        * config/i386/i386.c (ix86_expand_sse_cmp): Allow NULL for
        op_true and op_false.
        (ix86_int_cmp_code_to_pcmp_immediate): New.
        (ix86_fp_cmp_code_to_pcmp_immediate): New.
        (ix86_cmp_code_to_pcmp_immediate): New.
        (ix86_expand_mask_vec_cmp): New.
        (ix86_expand_fp_vec_cmp): New.
        (ix86_expand_int_sse_cmp): New.
        (ix86_expand_int_vcond): Use ix86_expand_int_sse_cmp.
        (ix86_expand_int_vec_cmp): New.
        (ix86_get_mask_mode): New.
        (TARGET_VECTORIZE_GET_MASK_MODE): New.
        * config/i386/sse.md (avx512fmaskmodelower): New.
        (vec_cmp<mode><avx512fmaskmodelower>): New.
        (vec_cmp<mode><sseintvecmodelower>): New.
        (vec_cmpv2div2di): New.
        (vec_cmpu<mode><avx512fmaskmodelower>): New.
        (vec_cmpu<mode><sseintvecmodelower>): New.
        (vec_cmpuv2div2di): New.

2015-11-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68240
        * tree-ssa-sccvn.c (cond_stmts_equal_p): Handle commutative compares
        properly.
        (visit_phi): For PHIs with just a single executable edge
        take its value directly.
        (expressions_equal_p): Handle VN_TOP properly.

2015-11-10  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
        Handle memory using/clobbering stmts without a STMT_VINFO_DATA_REF
        conservatively.

2015-11-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56118
        * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Make equal
        cost favor vectorized version.

2015-11-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (<neg_not_op><mode>cc): New define_expand.
        * config/aarch64/iterators.md (NEG_NOT): New code iterator.
        (neg_not_op): New code attribute.

2015-11-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * ifcvt.c (noce_try_inverse_constants): New function.
        (noce_process_if_block): Call it.
        * optabs.h (emit_conditional_neg_or_complement): Declare prototype.
        * optabs.def (negcc_optab, notcc_optab): Declare.
        * optabs.c (emit_conditional_neg_or_complement): New function.
        * doc/tm.texi (Standard Names): Document negcc, notcc names.

2015-11-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68236
        * haifa-sched.c (autopref_multipass_dfa_lookahead_guard): Return 0
        if insn_queue doesn't exist.
        (haifa_sched_finish): Reset insn_queue to NULL.

2015-11-10  Robert Suchanek  <robert.suchanek@imgtec.com>

        * regrename.c (create_new_chain): Initialize renamed and tied_chain.
        (build_def_use): Initialize terminated_this_insn.
        (find_best_rename_reg): Pick and check register from the tied chain.
        (regrename_do_replace): Mark head as renamed.
        (struct du_head *terminated_this_insn). New static variable.
        (scan_rtx_reg): Tie chains in move insns.  Set terminated_this_insn.
        * regrename.h (struct du_head): Add tied_chain, renamed members.

2015-11-10  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR bootstrap/68256
        * config/aarch64/aarch64.c (aarch64_use_constant_blocks_p):
        Return false.

2015-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/57845
        * config/sparc/sparc.c (sparc_function_value_1): In 32-bit mode, do
        not promote the mode for aggregate types.

2015-11-09  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.h (replace_oacc_fn_attrib, build_oacc_routine_dims): Declare.
        * omp-low.c (build_oacc_routine_dims): New.

2015-11-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/constraints.md (wF constraint): New constraints
        for power9/toc fusion.
        (wG constraint): Likewise.

        * config/rs6000/predicates.md (u6bit_cint_operand): New
        predicate, recognize 0..63.
        (upper16_cint_operand): New predicate for power9 and toc fusion.
        (fpr_reg_operand): Likewise.
        (toc_fusion_or_p9_reg_operand): Likewise.
        (toc_fusion_mem_raw): Likewise.
        (toc_fusion_mem_wrapped): Likewise.
        (fusion_gpr_addis): If power9 fusion, allow fusion for a larger
        address range.
        (fusion_gpr_mem_combo): Delete, use fusion_addis_mem_combo_load
        instead.
        (fusion_addis_mem_combo_load): Add support for power9 fusion of
        floating point loads, floating point stores, and gpr stores.
        (fusion_addis_mem_combo_store): Likewise.
        (fusion_offsettable_mem_operand): Likewise.

        * config/rs6000/rs6000-protos.h (emit_fusion_addis): Add declarations.
        (emit_fusion_load_store): Likewise.
        (fusion_p9_p): Likewise.
        (expand_fusion_p9_load): Likewise.
        (expand_fusion_p9_store): Likewise.
        (emit_fusion_p9_load): Likewise.
        (emit_fusion_p9_store): Likewise.
        (fusion_wrap_memory_address): Likewise.

        * config/rs6000/rs6000.c (struct rs6000_reg_addr): Add new
        elements for power9 fusion.
        (rs6000_debug_print_mode): Rework debug information to print more
        information about fusion.
        (rs6000_init_hard_regno_mode_ok): Setup for power9 fusion support.
        (rs6000_legitimate_address_p): Recognize toc fusion as a valid
        offsettable memory address.
        (rs6000_rtx_costs): Update costs for new ISA 3.0 instructions.
        (emit_fusion_gpr_load): Move most of the code from
        emit_fusion_gpr_load into emit_fusion-addis that handles both
        power8 and power9 fusion.
        (emit_fusion_addis): Likewise.
        (emit_fusion_load_store): Likewise.
        (fusion_wrap_memory_address): Add support for TOC fusion.
        (fusion_split_address): Likewise.
        (fusion_p9_p): Add support for power9 fusion.
        (expand_fusion_p9_load): Likewise.
        (expand_fusion_p9_store): Likewise.
        (emit_fusion_p9_load): Likewise.
        (emit_fusion_p9_store): Likewise.

        * config/rs6000/rs6000.h (TARGET_EXTSWSLI): Macros for support for
        new instructions in ISA 3.0.
        (TARGET_CTZ): Likewise.
        (TARGET_TOC_FUSION_INT): Macros for power9 fusion support.
        (TARGET_TOC_FUSION_FP): Likewise.

        * config/rs6000/rs6000.md (UNSPEC_FUSION_P9): New power9/toc
        fusion unspecs.
        (UNSPEC_FUSION_ADDIS): Likewise.
        (QHSI mode iterator): New iterator for power9 fusion.
        (GPR_FUSION): Likewise.
        (FPR_FUSION): Likewise.
        (mod<mode>3): Add support for ISA 3.0 modulus instructions.
        (umod<mode>3): Likewise.
        (divmod peephole): Likewise.
        (udivmod peephole): Likewise.
        (ctz<mode>2): Add support for ISA 3.0 count trailing zeros scalar
        instructions.
        (ctz<mode>2_h): Likewise.
        (ashdi3_extswsli): Add support for ISA 3.0 EXTSWSLI instruction.
        (ashdi3_extswsli_dot): Likewise.
        (ashdi3_extswsli_dot2): Likewise.
        (power9 fusion splitter): New power9/toc fusion support.
        (toc_fusionload_<mode>): Likewise.
        (toc_fusionload_di): Likewise.
        (fusion_gpr_load_<mode>): Update predicate function.
        (power9 fusion peephole2s): New power9/toc fusion support.
        (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
        (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_store): Likewise.
        (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_load): Likewise.
        (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_store): Likewise.
        (fusion_p9_<mode>_constant): Likewise.

2015-11-09  Steve Ellcey  <sellcey@imgtec.com>

        * optabs.c (prepare_libcall_arg): New function.
        (expand_fixed_convert): Add call to prepare_libcall_arg.

2015-11-09  Nikolai Bozhenov  <n.bozhenov@samsung.com>

        * sched-int.h (dump_rgn_dependencies_dot): Declare
        * sched-rgn.c (dump_rgn_dependencies_dot): New function
        * print-rtl.h (print_insn): Add prototype

        * haifa-sched.c (setup_sched_dump): Don't redirect output to stderr.
        * common.opt (-fsched-verbose): Set default value to 1.
        * invoke.texi (-fsched-verbose): Update the option's description.

2015-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/visium.h (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
        (PRINT_OPERAND_ADDRESS): Likewise.
        * config/visium/visium.c (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define
        to...
        (visium_print_operand_punct_valid_p): ...this.  New function.
        (TARGET_PRINT_OPERAND): Define to...
        (print_operand): Rename to...
        (visium_print_operand): ...this.
        (TARGET_PRINT_OPERAND_ADDRESS): Define to...
        (visium_output_address): Rename to...
        (visium_print_operand_address): ...this.
        (print_operand_address): Delete.

2015-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/68259
        * tree.h (reverse_storage_order_for_component_p) <COMPONENT_REF>:
        Check that the type of the first operand is an aggregate type.

2015-11-09  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.c: Fix some OpenACC comment typos.
        (lower_reduction_clauses): Remove BUILT_IN_GOACC_GET_THREAD_NUM call.
        * omp-builtins.def (BUILT_IN_GOACC_GET_THREAD_NUM,
        BUILT_IN_GOACC_GET_NUM_THREADS): Delete.

2015-11-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*strmovqi_1): Fix insn enable condition.

2015-11-09  Jeff Law  <law@redhat.com>

        * tree-ssanames.c (verify_ssaname_freelists): Simplify check for
        being in gimple/ssa form.  Remove redundant check for SSA_NAME.
        Fix comment typo.

2015-11-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
            Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/rs6000.opt (-mpower9-fusion): Add new switches for
        ISA 3.0 (power9).
        (-mpower9-vector): Likewise.
        (-mpower9-dform): Likewise.
        (-mpower9-minmax): Likewise.
        (-mtoc-fusion): Likewise.
        (-mmodulo): Likewise.
        (-mfloat128-hardware): Likewise.

        * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add option
        mask for ISA 3.0 (power9).
        (POWERPC_MASKS): Add new ISA 3.0 switches.
        (power9 cpu): Add power9 cpu.

        * config/rs6000/rs6000.h (ASM_CPU_POWER9_SPEC): Add support for power9.
        (ASM_CPU_SPEC): Likewise.
        (EXTRA_SPECS): Likewise.

        * config/rs6000/rs6000-opts.h (enum processor_type): Add
        PROCESSOR_POWER9.

        * config/rs6000/rs6000.c (power9_cost): Initial cost setup for power9.
        (rs6000_debug_reg_global): Add support for power9 fusion.
        (rs6000_setup_reg_addr_masks): Cache mode size.
        (rs6000_option_override_internal): Until real power9 tuning is
        added, use -mtune=power8 for -mcpu=power9.
        (rs6000_setup_reg_addr_masks): Do not allow pre-increment,
        pre-decrement, or pre-modify on SFmode/DFmode if we allow the use
        of Altivec registers.
        (rs6000_option_override_internal): Add support for ISA 3.0 switches.
        (rs6000_loop_align): Add support for power9 cpu.
        (rs6000_file_start): Likewise.
        (rs6000_adjust_cost): Likewise.
        (rs6000_issue_rate): Likewise.
        (insn_must_be_first_in_group): Likewise.
        (insn_must_be_last_in_group): Likewise.
        (force_new_group): Likewise.
        (rs6000_register_move_cost): Likewise.
        (rs6000_opt_masks): Likewise.

        * config/rs6000/rs6000.md (cpu attribute): Add power9.
        * config/rs6000/rs6000-tables.opt: Regenerate.

        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
        _ARCH_PWR9 if power9 support is available.

        * config/rs6000/aix61.h (ASM_CPU_SPEC): Add power9.
        * config/rs6000/aix53.h (ASM_CPU_SPEC): Likewise.

        * configure.ac: Determine if the assembler supports the ISA 3.0
        instructions.
        * config.in (HAVE_AS_POWER9): Likewise.
        * configure: Regenerate.

        * doc/invoke.texi (RS/6000 and PowerPC Options): Document ISA 3.0
        switches.

2015-11-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_simd_valid_immediate):
        Remove integer CONST_DOUBLE handling.  It should never occur.

2015-11-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/68129
        * config/aarch64/aarch64.h (TARGET_SUPPORTS_WIDE_INT): Define to 1.
        * config/aarch64/aarch64.c (aarch64_print_operand, CONST_DOUBLE):
        Delete VOIDmode case.  Assert that mode is not VOIDmode.
        * config/aarch64/predicates.md (const0_operand): Remove const_double
        match.

2015-11-09  Martin Liska  <mliska@suse.cz>

        * ipa-inline-analysis.c (estimate_function_body_sizes): Call
        body_info release function.
        * ipa-prop.c (ipa_release_body_info): New function.
        (ipa_analyze_node): Call the function.
        (ipa_node_params::~ipa_node_params): Release known_csts.
        * ipa-prop.h (ipa_release_body_info): Declare.

2015-11-09  Martin Liska  <mliska@suse.cz>

        * gcc.c (record_temp_file): Release name string.
        * ifcvt.c (noce_convert_multiple_sets): Use auto_vec instead of vec.
        * lra-lives.c (free_live_range_list): Utilize
        lra_live_range_pool for allocation and deallocation.
        (create_live_range): Likewise.
        (copy_live_range): Likewise.
        (lra_merge_live_ranges): Likewise.
        (remove_some_program_points_and_update_live_ranges): Likewise.
        (lra_create_live_ranges_1): Release point_freq_vec that can
        be not freed from previous iteration of the function.
        * tree-eh.c (lower_try_finally_switch): Use auto_vec instead of vec.
        * tree-sra.c (sra_deinitialize): Release all vectors in
        base_access_vec.
        * tree-ssa-dom.c (free_dom_edge_info): Make the function extern.
        * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
        Release edge_info for a removed edge.
        (thread_through_all_blocks): Free region vector.
        * tree-ssa.h (free_dom_edge_info): Declare function extern.

2015-11-09  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * optabs.c (expand_vec_cond_expr): Always get sign from type.
        * tree.c (wide_int_to_tree): Support negative values for boolean.
        (build_nonstandard_boolean_type): Use signed type for booleans.

2015-11-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68248
        * tree-vect-generic.c (expand_vector_operations_1): Handle scalar rhs2.

2015-11-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56118
        * tree-vectorizer.h (vect_find_last_scalar_stmt_in_slp): Declare.
        * tree-vect-slp.c (vect_find_last_scalar_stmt_in_slp): Export.
        * tree-vect-data-refs.c (vect_slp_analyze_node_dependences): New
        function.
        (vect_slp_analyze_data_ref_dependences): Instead of computing
        all dependences of the region DRs just analyze the code motions
        SLP vectorization will perform.  Remove SLP instances that
        cannot have their store/load motions applied.
        (vect_analyze_data_refs): Allow DRs without a vectype
        in BB vectorization.

2015-11-09  Julian Brown  <julian@codesourcery.com>

        * final.c (output_asm_insn): Pass VOIDmode to output_address.
        (output_address): Add MODE argument. Pass to print_operand_address
        hook.
        * targhooks.c (default_print_operand_address): Add MODE argument.
        * targhooks.h (default_print_operand_address): Update prototype.
        * output.h (output_address): Update prototype.
        * target.def (print_operand_address): Add MODE argument.
        * config/vax/vax.c (print_operand_address): Pass VOIDmode to
        output_address.
        (print_operand): Pass access mode to output_address.
        * config/mcore/mcore.c (mcore_print_operand_address): Add MODE
        argument.
        (mcore_print_operand): Update calls to mcore_print_operand_address.
        * config/fr30/fr30.c (fr30_print_operand): Pass VOIDmode to
        output_address.
        * config/lm32/lm32.c (lm32_print_operand): Pass mode in calls to
        output_address.
        * config/tilegx/tilegx.c (output_memory_reference_mode): Remove
        global.
        (tilegx_print_operand): Don't set above global. Update calls to
        output_address.
        (tilegx_print_operand_address): Add MODE argument. Use instead of
        output_memory_reference_mode global.
        * config/frv/frv.c (frv_print_operand_address): Add MODE argument.
        (frv_print_operand): Pass mode to frv_print_operand_address calls.
        * config/mn10300/mn10300.c (mn10300_print_operand): Pass mode to
        output_address.
        * config/cris/cris.c (cris_print_operand_address): Add MODE argument.
        (cris_print_operand): Pass mode to output_address calls.
        * config/spu/spu.c (print_operand): Pass mode to output_address calls.
        * config/aarch64/aarch64.h (aarch64_print_operand)
        (aarch64_print_operand_address): Remove prototypes.
        * config/aarch64/aarch64.c (aarch64_memory_reference_mode): Delete
        global.
        (aarch64_print_operand): Make static. Update calls to output_address.
        (aarch64_print_operand_address): Add MODE argument. Use instead of
        aarch64_memory_reference_mode global.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define target
        hooks.
        * config/aarch64/aarch64.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
        Delete macro definitions.
        * config/pa/pa.c (pa_print_operand): Pass mode in output_address calls.
        * config/xtensa/xtensa.c (print_operand): Pass mode in
        output_address calls.
        * config/h8300/h8300.c (h8300_print_operand_address): Add MODE
        argument.
        (h83000_print_operand): Update calls to h8300_print_operand_address
        and output_address.
        * config/ia64/ia64.c (ia64_print_operand_address): Add MODE argument.
        * config/tilepro/tilepro.c (output_memory_reference_mode): Delete
        global.
        (tilepro_print_operand): Pass mode to output_address.
        (tilepro_print_operand_address): Add MODE argument. Use instead of
        output_memory_reference_mode.
        * config/nvptx/nvptx.c (output_decl_chunk, nvptx_assemble_integer)
        (nvptx_output_call_insn, nvptx_print_address_operand): Pass VOIDmode
        to output_address calls.
        (nvptx_print_operand_address): Add MODE argument.
        * config/alpha/alpha.c (print_operand): Pass mode argument in
        output_address calls.
        * config/m68k/m68k.c (print_operand): Pass mode argument in
        output_address call.
        * config/avr/avr.c (avr_print_operand_address): Add MODE argument.
        (avr_print_operand): Update calls to avr_print_operand_address.
        * config/sparc/sparc.c (sparc_print_operand_address): Add MODE
        argument. Update calls to output_address.
        (sparc_print_operand): Pass mode to output_address.
        * config/iq2000/iq2000.c (iq2000_print_operand_address): Add MODE
        argument.
        (iq2000_print_operand): Pass mode in output_address calls.
        * config/stormy16/stormy16.c (xstormy16_print_operand_address): Add
        MODE argument.
        (xstormy16_print_operand): Pass mode to
        xstormy16_print_operand_address calls.
        * config/mips/mips.c (mips_print_operand): Update calls to
        output_address.
        (mips_print_operand_address): Add MODE argument.
        * config/epiphany/epiphany.c (epiphany_print_operand): Update calls
        to output_address.
        (epiphany_print_operand_address): Add MODE argument. Add FIXME note.
        * config/pdp11/pdp11.c (pdp11_asm_print_operand): Update call to
        output_address.
        * config/rx/rx.c (rx_print_operand_address): Add MODE argument.
        (rx_print_operand): Update calls to output_address,
        rx_print_operand_address.
        * config/nds32/nds32.c (nds32_print_operand): Update calls to
        output_address.
        (nds32_print_operand_address): Add MODE argument.
        * config/rs6000/rs6000.c (print_operand): Pass mem mode to
        output_address calls.
        * config/c6x/c6x.c (print_address_offset): Pass mem mode to
        output_address call.
        (c6x_print_address_operand): Update calls to output_address.
        (c6x_print_operand_address): Pass mode to above.
        * config/v850/v850.c (v850_print_operand_address): Add MODE argument.
        (v850_print_operand): Pass mode to v850_print_operand_address,
        output_address.
        * config/mmix/mmix.c (mmix_print_operand_address): Add MODE argument.
        (mmix_print_operand): Pass mode in output_address calls.
        * config/sh/sh.c (sh_print_operand_address): Add MODE argument.
        (sh_print_operand): Pass mem mode to output_address,
        sh_print_operand_address.
        * config/cr16/cr16.c (cr16_print_operand_address): Add MODE argument.
        (cr16_print_operand): Pass mode to output_address,
        cr16_print_operand_address.
        * config/bfin/bfin.c (print_address_operand): Pass VOIDmode to
        output_address.
        * config/microblaze/microblaze.c (print_operand): Pass mode to
        output_address.
        * config/nios2/nios2.c (nios2_print_operand): Pass VOIDmode to
        output_address.
        (nios2_print_operand_address): Add MODE argument. Update call to
        nios2_print_operand_address.
        * config/s390/s390.c (print_operand): Pass mode to output_address.
        * config/m32c/m32c.c (m32c_print_operand_address): Add MODE argument.
        * config/arc/arc.c (arc_print_operand): Pass VOIDmode to
        output_address.
        * config/arm/arm.c (arm_print_operand_address): Add MODE argument.
        Use instead of output_memory_reference_mode.
        (output_memory_reference_mode): Delete global.
        (arm_print_operand): Pass mem mode to output_address.
        * config/m32r/m32r.c (m32r_print_operand_address): Add MODE argument.
        (m32r_print_operand): Pass mode to output_address.
        * config/msp430/msp430.c (msp430_print_operand_addr): Add MODE
        argument.
        (msp430_print_operand): Pass mode to msp430_print_operand_addr.
        * config/i386/i386.c (ix86_print_operand): Pass mode to
        output_address calls.
        (ix86_print_operand_address): Add MODE argument.

2015-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/68251
        * tree-core.h (REF_REVERSE_STORAGE_ORDER): Move around.
        * tree.h (REF_REVERSE_STORAGE_ORDER): Change to default_def_flag.
        * tree-streamer-in.c (unpack_ts_base_value_fields): Adjust.
        * tree-streamer-out.c (pack_ts_base_value_fields): Likewise.

2015-11-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/67749
        * ifcvt.c (noce_try_cmove_arith): Do not emit move in IF-ELSE
        case before emitting the two blocks.  Instead modify the register
        in the corresponding final insn of the basic block.

2015-11-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Allow for differences in
        assembler syntax.
        Support Solaris ld.
        Define HAVE_INITFINI_ARRAY_SUPPORT as 0/1.

        * config/sol2.h (SUPPORTS_INIT_PRIORITY): Define to
        HAVE_INITFINI_ARRAY_SUPPORT.
        * config/initfini-array.h: Check HAVE_INITFINI_ARRAY_SUPPORT value.

        * configure.ac (gcc_cv_as_sparc_nobits): Remove.
        * config/sparc/sparc.c (sparc_solaris_elf_asm_named_section):
        Don't check HAVE_AS_SPARC_NOBITS.
        Heed SECTION_NOTYPE.

        * configure: Regenerate.
        * config.in: Regenerate.

2015-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/68253
        * fold-const.c (fold_truth_andor_1): Initialize new variables to 0.

2015-11-09  Richard Henderson  <rth@redhat.com>

        * config/i386/i386-c.c (ix86_target_macros): Define __SEG_FS,
        __SEG_GS, __SEG_TLS.
        (ix86_register_pragmas): Register address spaces __seg_fs,
        __seg_gs, __seg_tls.
        * config/i386/i386-protos.h (enum ix86_address_seg): Remove.
        (ADDR_SPACE_SEG_FS, ADDR_SPACE_SEG_GS, ADDR_SPACE_SEG_TLS): New.
        (struct ix86_address): Use addr_space_t instead of ix86_address_seg.
        * config/i386/i386.c (ix86_decompose_address): Likewise.
        (ix86_legitimate_address_p): Likewise.
        (memory_address_length): Likewise.  Check mem address space too.
        (ix86_print_operand): Use ix86_print_operand_address_as.
        (ix86_print_operand_address_as): Rename from
        ix86_print_operand_address, add new addr_space_t parameter.
        Validate that either the parameter or the ix86_address segment
        is default address space.  Handle ADDR_SPACE_SEG_TLS.
        (ix86_print_operand_address): New.
        (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): New.
        (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): New.
        (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): New.
        (ix86_addr_space_zero_address_valid): New.
        (TARGET_ADDR_SPACE_ZERO_ADDRESS_VALID): New.
        * config/i386/i386.h (DEFAULT_TLS_SEG_REG): Use addr_space_t constants.
        * config/i386/rdos.h (DEFAULT_TLS_SEG_REG): Likewise.
        * config/i386/predicates.md (address_no_seg_operand): Likewise.
        (vsib_address_operand): Likewise.
        (address_mpx_no_base_operand): Likewise.
        (address_mpx_no_index_operand): Likewise.
        * doc/extend.texi (x86 Named Address Spaces): New section.

        * config/i386/i386.c (ix86_check_no_addr_space): New.
        (decide_alg): Add have_as parameter.
        (alg_usable_p): Likewise; disable rep algorithms if set.
        (ix86_expand_set_or_movmem): Notice if either MEM has a
        non-default address space.
        (ix86_expand_strlen): Likewise.
        * config/i386/i386.md (strmov, strset): Likewise.
        (*strmovdi_rex_1): Use ix86_check_no_addr_space.
        (*strmovsi_1, *strmovqi_1, *rep_movdi_rex64, *rep_movsi, *rep_movqi,
        *strsetdi_rex_1, *strsetsi_1, *strsethi_1, *strsetqi_1,
        *rep_stosdi_rex64, *rep_stossi, *rep_stosqi, *cmpstrnqi_nz_1,
        *cmpstrnqi_1, *strlenqi_1): Likewise.

        * config/i386/i386.md (*movabs<mode>_1): Print the full memory rtx.
        (*movabs<mode>_2): Likewise.

        * dwarf2out.c (modified_type_die): Pass the address space number
        through TARGET_ADDR_SPACE_DEBUG to produce the dwarf address class.
        * target.def (TARGET_ADDR_SPACE_DEBUG): New.
        * targhooks.c (default_addr_space_debug): New.
        * targhooks.h (default_addr_space_debug): Declare.
        * doc/tm.texi.in (TARGET_ADDR_SPACE_DEBUG): Mark it.
        * doc/tm.texi: Rebuild.

        * gimple.c (check_loadstore): Return false when 0 is a valid address.
        * fold-const.c (const_unop) [ADDR_SPACE_CONVERT_EXPR]: Do not fold
        null when 0 is valid in the source address space.
        * target.def (TARGET_ADDR_SPACE_ZERO_ADDRESS_VALID): New.
        * targhooks.c (default_addr_space_zero_address_valid): New.
        * targhooks.h (default_addr_space_zero_address_valid): Declare.
        * doc/tm.texi.in (TARGET_ADDR_SPACE_ZERO_ADDRESS_VALID): Mark it.
        * doc/tm.texi: Rebuild.

        * cselib.c (add_mem_for_addr): Compare address spaces when
        matching memories.
        (cselib_lookup_mem): Likewise.
        * fold-const.c (operand_equal_p): Check address spaces of
        pointer types before checking integer constants.

        PR tree-opt/66768
        * tree-ssa-address.c (create_mem_ref_raw): Use a pointer of
        the correct type for the base.

2015-11-09  Jeff Law  <law@redhat.com>

        * tree-into-ssa.c (names_to_release): No longer static.
        * tree-into-ssa.h (names_to_release): Declare.
        * tree-ssanames.c (verify_ssaname_freelists): New debug function.
        (release_free_names_and_compact_live_names): New function extracted
        from pass_release_ssa_names::execute.
        (pass_release_ssa_names::execute): Use it.

2015-11-09  Alan Modra  <amodra@gmail.com>

        * gensupport.c (add_mnemonic_string): Make len param a size_t.
        (gen_mnemonic_setattr): Make "size" var a size_t.  Use
        obstack_blank_fast to shrink obstack.  Cast obstack_next_free
        return value.

2015-11-09  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/68182
        * bb-reorder.c (reorder_basic_blocks_simple): Treat a conditional
        branch with only one successor just like unconditional branches.

2015-11-08  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (register_jump_thraed): Assert that a
        non-FSM path has no edges marked with EDGE_DFS_BACK.
        (ssa_redirect_edges): No longer call mark_loop_for_removal.
        (thread_single_edge, def_split_header_continue_p): Remove.
        (bb_ends_with_multiway_branch): Likewise.
        (thread_through_loop_header): Remove cases of threading from
        latch through the header.  Simplify knowing we won't thread
        the latch.
        (thread_through_all_blocks): Simplify knowing that only the FSM
        threader needs to handle backedges.

2015-11-08  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/extend.texi (type attributes): Document scalar_storage_order.
        (Structure-Packing Pragmas): Rename into...
        (Structure-Layout Pragmas): ...this.  Document scalar_storage_order.
        * doc/invoke.texi (C Dialect Options): Document -fsso-struct
        (Warnings): Document -Wno-scalar-storage-order.
        * flag-types.h (enum scalar_storage_order_kind): New enumeration.
        * calls.c (store_unaligned_arguments_into_pseudos): Adjust calls to
        extract_bit_field and store_bit_field.
        (initialize_argument_information): Adjust call to store_expr.
        (load_register_parameters): Adjust call to extract_bit_field.
        * expmed.c (check_reverse_storage_order_support): New function.
        (check_reverse_float_storage_order_support): Likewise.
        (flip_storage_order): Likewise.
        (store_bit_field_1): Add REVERSE parameter.  Flip the storage order
        of the value if it is true.  Pass REVERSE to recursive call after
        adjusting the target offset.
        Do not use extraction or movstrict instruction if REVERSE is true.
        Pass REVERSE to store_fixed_bit_field.
        (store_bit_field): Add REVERSE parameter and pass to it to above.
        (store_fixed_bit_field): Add REVERSE parameter and pass to it to
        store_split_bit_field and store_fixed_bit_field_1.
        (store_fixed_bit_field_1):  Add REVERSE parameter.  Flip the storage
        order of the value if it is true and adjust the target offset.
        (store_split_bit_field): Add REVERSE parameter and pass it to
        store_fixed_bit_field.  Adjust the target offset if it is true.
        (extract_bit_field_1): Add REVERSE parameter.  Flip the storage order
        of the value if it is true.  Pass REVERSE to recursive call after
        adjusting the target offset.
        Do not use extraction or subreg instruction if REVERSE is true.
        Pass REVERSE to extract_fixed_bit_field.
        (extract_bit_field): Add REVERSE parameter and pass to it to above.
        (extract_fixed_bit_field): Add REVERSE parameter and pass to it to
        extract_split_bit_field and extract_fixed_bit_field_1.
        (extract_fixed_bit_field_1): Add REVERSE parameter.  Flip the storage
        order of the value if it is true and adjust the target offset.
        (extract_split_bit_field): Add REVERSE parameter and pass it to
        extract_fixed_bit_field.  Adjust the target offset if it is true.
        * expmed.h (flip_storage_order): Declare.
        (store_bit_field): Adjust prototype.
        (extract_bit_field): Likewise.
        * expr.c (emit_group_load_1): Adjust calls to extract_bit_field.
        (emit_group_store): Adjust call to store_bit_field.
        (copy_blkmode_from_reg): Likewise.
        (copy_blkmode_to_reg): Likewise.
        (write_complex_part): Likewise.
        (read_complex_part): Likewise.
        (optimize_bitfield_assignment_op): Add REVERSE parameter.  Assert
        that it isn't true if the target is a register.
        <PLUS_EXPR>: If it is, do not optimize unless bitsize is equal to 1,
        and flip the storage order of the value.
        <BIT_IOR_EXPR>: Flip the storage order of the value.
        (get_bit_range): Adjust call to get_inner_reference.
        (expand_assignment): Adjust calls to get_inner_reference, store_expr,
        optimize_bitfield_assignment_op and store_field.  Handle MEM_EXPRs
        with reverse storage order.
        (store_expr_with_bounds): Add REVERSE parameter and pass it to
        recursive calls and call to store_bit_field.  Force the value into a
        register if it is true and then flip the storage order of the value.
        (store_expr): Add REVERSE parameter and pass it to above.
        (categorize_ctor_elements_1): Adjust call to
        initializer_constant_valid_p.
        (store_constructor_field): Add REVERSE parameter and pass it to
        recursive calls and call to store_field.
        (store_constructor): Add REVERSE parameter and pass it to calls to
        store_constructor_field and store_expr.  Set it to true for an
        aggregate type with TYPE_REVERSE_STORAGE_ORDER.
        (store_field): Add REVERSE parameter and pass it to recursive calls
        and calls to store_expr and store_bit_field.  Temporarily flip the
        storage order of the value with record type and integral mode and
        adjust the shift if it is true.
        (get_inner_reference): Add PREVERSEP parameter and set it to true
        upon encoutering a reference with reverse storage order.
        (expand_expr_addr_expr_1): Adjust call to get_inner_reference.
        (expand_constructor): Adjust call to store_constructor.
        (expand_expr_real_2) <CASE_CONVERT>: Pass TYPE_REVERSE_STORAGE_ORDER
        of the union type to store_expr in the MEM case and assert that it
        isn't set in the REG case.  Adjust call to store_field.
        (expand_expr_real_1) <MEM_REF>: Handle reverse storage order.
        <normal_inner_ref>: Add REVERSEP variable and adjust calls to
        get_inner_reference and extract_bit_field. Temporarily flip the
        storage order of the value with record type and integral mode and
        adjust the shift if it is true.  Flip the storage order of the value
        at the end if it is true.
        <VIEW_CONVERT_EXPR>: Add REVERSEP variable and adjust call to
        get_inner_reference.  Do not fetch an inner reference if it is true.
        * expr.h (store_expr_with_bounds): Ajust prototype.
        (store_expr): Likewise.
        * fold-const.c (make_bit_field_ref): Add REVERSEP parameter and set
        REF_REVERSE_STORAGE_ORDER on the reference according to it.
        (optimize_bit_field_compare): Deal with reverse storage order.
        Adjust calls to get_inner_reference and make_bit_field_ref.
        (decode_field_reference): Add PREVERSEP parameter and adjust call to
        get_inner_reference.
        (fold_truth_andor_1): Deal with reverse storage order.  Adjust calls
        to decode_field_reference and make_bit_field_ref.
        (fold_unary_loc) <CASE_CONVERT>: Adjust call to get_inner_reference.
        <VIEW_CONVERT_EXPR>: Propagate the REF_REVERSE_STORAGE_ORDER flag.
        (fold_comparison): Adjust call to get_inner_reference.
        (split_address_to_core_and_offset): Adjust call to
        get_inner_reference.
        * gimple-expr.c (useless_type_conversion_p): Return false for array
        types with different TYPE_REVERSE_STORAGE_ORDER flag.
        * gimplify.c (gimplify_expr) <MEM_REF>: Propagate the
        REF_REVERSE_STORAGE_ORDER flag.
        * lto-streamer-out.c (hash_tree): Deal with TYPE_REVERSE_STORAGE_ORDER.
        * output.h (assemble_real): Adjust prototype.
        * print-tree.c (print_node): Convey TYPE_REVERSE_STORAGE_ORDER.
        * stor-layout.c (finish_record_layout): Propagate the
        TYPE_REVERSE_STORAGE_ORDER flag to the variants.
        * tree-core.h (TYPE_REVERSE_STORAGE_ORDER): Document.
        (TYPE_SATURATING): Adjust.
        (REF_REVERSE_STORAGE_ORDER): Document.
        * tree-dfa.c (get_ref_base_and_extent): Add PREVERSE parameter and
        set it to true upon encoutering a reference with reverse storage order.
        * tree-dfa.h (get_ref_base_and_extent): Adjust prototype.
        * tree-inline.c (remap_gimple_op_r): Propagate the
        REF_REVERSE_STORAGE_ORDER flag.
        (copy_tree_body_r): Likewise.
        * tree-outof-ssa.c (insert_value_copy_on_edge): Adjust call to
        store_expr.
        * tree-streamer-in.c (unpack_ts_base_value_fields): Deal with
        TYPE_REVERSE_STORAGE_ORDER and REF_REVERSE_STORAGE_ORDER.
        * tree-streamer-out.c (pack_ts_base_value_fields): Likewise.
        * tree.c (stabilize_reference) <BIT_FIELD_REF>: Propagate the
        REF_REVERSE_STORAGE_ORDER flag.
        (verify_type_variant): Deal with TYPE_REVERSE_STORAGE_ORDER.
        (gimple_canonical_types_compatible_p): Likewise.
        * tree.h (TYPE_REVERSE_STORAGE_ORDER): New flag.
        (TYPE_SATURATING): Adjust.
        (REF_REVERSE_STORAGE_ORDER): New flag.
        (reverse_storage_order_for_component_p): New inline predicate.
        (storage_order_barrier_p): Likewise.
        (get_inner_reference): Adjust prototype.
        * varasm.c: Include expmed.h.
        (assemble_variable_contents): Adjust call to output_constant.
        (assemble_real): Add REVERSE parameter.  Flip the storage
        order of the value if REVERSE is true.
        (compare_constant) <CONSTRUCTOR>: Compare TYPE_REVERSE_STORAGE_ORDER.
        (assemble_constant_contents): Adjust call to output_constant.
        (output_constant_pool_2): Adjust call to assemble_real.
        (initializer_constant_valid_p_1) <CONSTRUCTOR>: Deal with
        TYPE_REVERSE_STORAGE_ORDER.
        (initializer_constant_valid_p): Add REVERSE parameter.
        (output_constant): Add REVERSE parameter.
        <INTEGER_TYPE>: Flip the storage order of the value if REVERSE is true.
        <REAL_TYPE>: Adjust call to assemble_real.
        <COMPLEX_TYPE>: Pass it to recursive calls.
        <ARRAY_TYPE>: Likewise.  Adjust call to output_constructor.
        <RECORD_TYPE>: Likewise.  Adjust call to output_constructor.
        (struct oc_local_state): Add REVERSE field.
        (output_constructor_array_range): Adjust calls to output_constant.
        (output_constructor_regular_field): Likewise.
        (output_constructor_bitfield): Adjust call to output_constructor.
        Flip the storage order of the value if REVERSE is true.
        (output_constructor): Add REVERSE parameter.  Set it to true for an
        aggregate type with TYPE_REVERSE_STORAGE_ORDER.  Adjust call to
        output_constructor_bitfield.
        * varasm.h (initializer_constant_valid_p): Default REVERSE to false.
        * asan.c (instrument_derefs): Adjust call to get_inner_reference.
        * builtins.c (get_object_alignment_2): Likewise.
        * cfgexpand.c (expand_debug_expr): Adjust call to get_inner_reference
        and get_ref_base_and_extent.
        * dbxout.c (dbxout_expand_expr): Likewise.
        * dwarf2out.c (add_var_loc_to_decl): Likewise.
        (loc_list_for_address_of_addr_expr_of_indirect_ref): Likewise.
        (loc_list_from_tree): Likewise.
        (fortran_common): Likewise.
        * gimple-fold.c (gimple_fold_builtin_memory_op): Adjust calls to
        get_ref_base_and_extent.
        (get_base_constructor): Likewise.
        (fold_const_aggregate_ref_1): Likewise.
        * gimple-laddress.c (pass_laddress::execute): Adjust call to
        get_inner_reference.
        * gimple-ssa-strength-reduction.c (slsr_process_ref): Adjust call to
        get_inner_reference and bail out on reverse storage order.
        * ifcvt.c (noce_emit_move_insn): Adjust calls to store_bit_field.
        * ipa-cp.c (ipa_get_jf_ancestor_result): Adjust call to
        build_ref_for_offset.
        * ipa-polymorphic-call.c (set_by_invariant): Adjust call to
        get_ref_base_and_extent.
        (ipa_polymorphic_call_context): Likewise.
        (extr_type_from_vtbl_ptr_store): Likewise.
        (check_stmt_for_type_change): Likewise.
        (get_dynamic_type): Likewise.
        * ipa-prop.c (ipa_load_from_parm_agg_1): Adjust call to
        get_ref_base_and_extent.
        (compute_complex_assign_jump_func): Likewise.
        (get_ancestor_addr_info): Likewise.
        (compute_known_type_jump_func): Likewise.
        (determine_known_aggregate_parts): Likewise.
        (ipa_get_adjustment_candidate): Likewise.
        (ipa_modify_call_arguments): Set REF_REVERSE_STORAGE_ORDER on MEM_REF.
        * ipa-prop.h (ipa_parm_adjustment): Add REVERSE field.
        (build_ref_for_offset): Adjust prototype.
        * simplify-rtx.c (delegitimize_mem_from_attrs): Adjust call to
        get_inner_reference.
        * tree-affine.c (tree_to_aff_combination): Adjust call to
        get_inner_reference.
        (get_inner_reference_aff): Likewise.
        * tree-data-ref.c (split_constant_offset_1): Likewise.
        (dr_analyze_innermost): Likewise.  Bail out if reverse storage order.
        * tree-scalar-evolution.c (interpret_rhs_expr): Adjust call to
        get_inner_reference.
        * tree-sra.c (struct access): Add REVERSE and move WRITE around.
        (dump_access): Print new fields.
        (create_access): Adjust call to get_ref_base_and_extent and set the
        REVERSE flag according to the result.
        (completely_scalarize_record): Set the REVERSE flag.
        (scalarize_elem): Add REVERSE parameter.
        (build_access_from_expr_1): Preserve storage order barriers.
        (build_accesses_from_assign): Likewise.
        (build_ref_for_offset): Add REVERSE parameter and set the
        REF_REVERSE_STORAGE_ORDER flag accordingly.
        (build_ref_for_model): Adjust call to build_ref_for_offset and clear
        the REF_REVERSE_STORAGE_ORDER flag if there are components.
        (analyze_access_subtree): Likewise.
        (create_artificial_child_access): Set the REVERSE flag.
        (get_access_for_expr): Adjust call to get_ref_base_and_extent.
        (turn_representatives_into_adjustments): Propagate REVERSE flag.
        (ipa_sra_check_caller): Adjust call to get_inner_reference.
        * tree-ssa-alias.c (ao_ref_base): Adjust call to
        get_ref_base_and_extent.
        (aliasing_component_refs_p): Likewise.
        (stmt_kills_ref_p_1): Likewise.
        * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1): Likewise.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p) <MEM_REF>: New.
        Return true if reverse storage order.
        <BIT_FIELD_REF>: Likewise.
        <COMPONENT_REF>: Likewise.
        <ARRAY_REF>: Likewise.
        <ARRAY_RANGE_REF>: Likewise.
        (split_address_cost): Likewise.  Bail out if reverse storage order.
        * tree-ssa-math-opts.c (find_bswap_or_nop_load): Adjust call to
        get_inner_reference.  Bail out if reverse storage order.
        (bswap_replace): Adjust call to get_inner_reference.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1) <MEM_REF>: Set
        the REF_REVERSE_STORAGE_ORDER flag.
        <BIT_FIELD_REF>: Likewise.
        * tree-ssa-sccvn.c (vn_reference_eq): Return false on storage order
        barriers.
        (copy_reference_ops_from_ref) <MEM_REF>: Set REVERSE field according
        to the REF_REVERSE_STORAGE_ORDER flag.
        <BIT_FIELD_REF>: Likewise.
        <VIEW_CONVERT_EXPR>: Set it for storage order barriers.
        (contains_storage_order_barrier_p): New predicate.
        (vn_reference_lookup_3): Adjust calls to get_ref_base_and_extent.
        Punt on storage order barriers if necessary.
        * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add REVERSE.
        * tree-ssa-structalias.c (get_constraint_for_component_ref): Adjust
        call to get_ref_base_and_extent.
        (do_structure_copy): Likewise.
        * tree-vect-data-refs.c (vect_check_gather): Adjust call to
        get_inner_reference.
        (vect_analyze_data_refs): Likewise.  Bail out if reverse storage order.
        * tsan.c (instrument_expr): Adjust call to get_inner_reference.
        * ubsan.c (instrument_bool_enum_load): Likewise.
        (instrument_object_size): Likewise.
        * var-tracking.c (track_expr_p): Adjust call to
        get_ref_base_and_extent.
        * config/mips/mips.c (r10k_safe_mem_expr_p): Adjust call to
        get_inner_reference.
        * config/s390/s390.c (s390_expand_atomic): Adjust call to
        store_bit_field.
        * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Adjust call to
        extract_bit_field.
        * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.

2015-11-07  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.opt (mfix-at697f): Add final period.

2015-11-07  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/67864
        * common/config/i386/i386-common.c (ix86_option_optimization_table)
        <OPT_freorder_blocks_algorithm_>: Use REORDER_BLOCKS_ALGORITHM_STC
        at -Os and up.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * trans-mem.c (is_tm_pure_call): Use gimple_call_flags for
        internal functions.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.def: #undef DEF_BUILTIN and DEF_BUILTIN_CHKP
        * builtins.c, genmatch.c, tree-core.h: Don't undef them here.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * internal-fn.def: #undef DEF_INTERNAL_FN at the end.
        * internal-fn.c: Don't undef it here.
        * tree-core.h: Likewise.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_nan): Delete.
        (fold_builtin_memcmp): Remove case where both arguments are constant.
        (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
        (fold_builtin_strspn, fold_builtin_strcspn): Likewise.
        (fold_builtin_1): Remove BUILT_IN_NAN* handling.
        * fold-const-call.c: Include fold-const.h.
        (host_size_t_cst_p): New function.
        (build_cmp_result, fold_const_builtin_nan): Likewise.
        (fold_const_call_1): New function, split out from...
        (fold_const_call): ...here (for all three interfaces).  Handle
        constant nan, nans, strlen, strcmp, strncmp, strspn and strcspn.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_bitop, fold_builtin_bswap): Delete.
        (fold_builtin_1): Don't call them.
        * fold-const-call.c: Include tm.h.
        (fold_const_call_ss): New variant for integer-to-integer folds.
        (fold_const_call): Call it.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_classify): Move constant cases to...
        * fold-const-call.c (fold_const_call_ss): ...here.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.h (c_getstr): Move to...
        * fold-const.h (c_getstr): ...here.
        * builtins.c (c_getstr): Move to...
        * fold-const.c (c_getstr): ...here.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.def (BUILTIN_RINT, BUILTIN_RINTF, BUILTIN_RINTL): Use
        ATTR_MATHFN_FPROUNDING rather than ATTR_MATHFN_FPROUNDING_ERRNO.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-call-cdce.c (shrink_wrap_one_built_in_call): Try to update
        the dominance info; free it if we can't.
        (pass_call_cdce::execute): Don't free the dominance info here.

2015-11-06  Jeff Law <law@redhat.com>

        * tree-ssa-threadedge.c (dummy_simplify): Remove.
        (thread_around_empty_blocks): Remove backedge_seen_p argument.
        If we thread to a backedge, then return false.  Update recursive
        call to eliminate backedge_seen_p argument.
        (thread_through_normal_block): Remove backedge_seen_p argument.
        Remove backedge_seen_p argument from calls to
        thread_around_empty_blocks.  Remove checks on backedge_seen_p.
        If we thread to a backedge, then return 0.
        (thread_across_edge): Remove bookkeeping for backedge_seen.  Don't
        pass it to thread_through_normal_block or thread_through_empty_blocks.
        For joiner handling, if we see a backedge, do not try normal
        threading.

2015-11-06  Abderrazek Zaafrani  <a.zaafrani@samsung.com>

        * graphite-optimize-isl.c (optimize_isl): Call isl_union_map_is_equal.
        * graphite-poly.c (new_scop): Initialize original_schedule.
        (free_scop): Free original_schedule.
        * graphite-poly.h (struct scop): Add field original_schedule.
        * graphite-sese-to-poly.c (build_scop_original_schedule): New.
        (build_poly_scop): Call build_scop_original_schedule.

2015-11-06  Abderrazek Zaafrani  <a.zaafrani@samsung.com>

        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
        (build_pbb_minimal_scattering_polyhedrons): New.
        (build_scop_scattering): Remove.
        (build_scop_minimal_scattering): New.
        (build_scop_scattering): Call build_pbb_minimal_scattering_polyhedrons.
        (build_poly_scop): Call build_scop_minimal_scattering.

2015-11-06  Jeff Law <law@redhat.com>

        * cfg-flags.def (IGNORE): New edge flag.
        * tree-vrp.c (identify_jump_threads): Mark and clear edges
        scheduled for removal with EDGE_IGNORE around call into
        jump threader.  Do no thread across edges with EDGE_IGNORE,
        but do allow threading across those with EDGE_DFS_BACK.

2015-11-06  David Wohlferd  <dw@LimeGreenSocks.com>

        * doc/md.texi (multi-alternative constraints): Don't document
        alternatives inherently tied to reload for the user documentation.

2015-11-06  Michael Collison  <michael.collison@linaro.org>
            Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        Revert:
        2015-08-01  Michael Collison  <michael.collison@linaro.org
                    Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        * config/arm/arm.md (*arm_smin_cmp): New pattern.
        (*arm_umin_cmp): Likewise.

2015-11-06  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (gimplify_omp_ordered): Fix up diagnostics wording.
        * omp-low.c (check_omp_nesting_restrictions): Update for the
        various new OpenMP 4.5 nesting restrictions, clarified
        nesting glossary, closely nested region relationship clarified
        to mean explicit or implicit parallel regions (target/teams),
        use %</%> or %qs where appropriate.

2015-11-06  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (loop_is_valid_scop): Call
        optimize_loop_nest_for_speed_p.

2015-11-06  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-optimize-isl.c (optimize_isl): Call
        isl_options_set_schedule_maximize_band_depth.

2015-11-06  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (scop_detection::merge_sese): Entry
        and exit edges should not be a part of irreducible loop.
        (scop_detection::can_represent_loop_1): Loops should not be
        irreducible.
        (scop_detection::harmful_stmt_in_region): All the basic block
        should belong to reducible loops.

2015-11-06  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/aarch64/aarch64-simd-builtins.def: Update builtins
        tables: add tbl3v16qi, qtbl[34]*, tbx4v16qi, qtbx[34]*.
        * config/aarch64/aarch64-simd.md (aarch64_tbl3v8qi): Rename to...
        (aarch64_tbl3<mode>) ... this, which supports v16qi too.
        (aarch64_tbx4v8qi): Rename to...
        aarch64_tbx4<mode>): ... this.
        (aarch64_qtbl3<mode>): New pattern.
        (aarch64_qtbx3<mode>): New pattern.
        (aarch64_qtbl4<mode>): New pattern.
        (aarch64_qtbx4<mode>): New pattern.
        * config/aarch64/arm_neon.h (vqtbl2_s8, vqtbl2_u8, vqtbl2_p8)
        (vqtbl2q_s8, vqtbl2q_u8, vqtbl2q_p8, vqtbl3_s8, vqtbl3_u8)
        (vqtbl3_p8, vqtbl3q_s8, vqtbl3q_u8, vqtbl3q_p8, vqtbl4_s8)
        (vqtbl4_u8, vqtbl4_p8, vqtbl4q_s8, vqtbl4q_u8, vqtbl4q_p8)
        (vqtbx2_s8, vqtbx2_u8, vqtbx2_p8, vqtbx2q_s8, vqtbx2q_u8)
        (vqtbx2q_p8, vqtbx3_s8, vqtbx3_u8, vqtbx3_p8, vqtbx3q_s8)
        (vqtbx3q_u8, vqtbx3q_p8, vqtbx4_s8, vqtbx4_u8, vqtbx4_p8)
        (vqtbx4q_s8, vqtbx4q_u8, vqtbx4q_p8): Rewrite using builtin
        functions.

2015-11-06  Mike Stump  <mikestump@comcast.net>

        PR debug/66728
        * dwarf2out.c (get_full_len): Return a value based upon the actual
        precision needed for the value.
        (add_const_value_attribute): Use a maximal wide-int for
        CONST_WIDE_INTs, not VOIDmode.
        (output_die): Don't ever output NULL with printf.

        * rtl.h (get_precision of rtx_mode_t): Ensure we never process
        BLKmode nor VOIDmode values.

2015-11-06  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic-color.c (color_dict): Eliminate "caret"; add "range1"
        and "range2".
        (parse_gcc_colors): Update comment to describe default GCC_COLORS.
        * diagnostic-core.h (warning_at_rich_loc): New declaration.
        (error_at_rich_loc): New declaration.
        (permerror_at_rich_loc): New declaration.
        (inform_at_rich_loc): New declaration.
        * diagnostic-show-locus.c (adjust_line): Delete.
        (struct point_state): New struct.
        (class colorizer): New class.
        (class layout_point): New class.
        (class layout_range): New class.
        (struct line_bounds): New.
        (class layout): New class.
        (colorizer::colorizer): New ctor.
        (colorizer::~colorizer): New dtor.
        (layout::layout): New ctor.
        (layout::print_source_line): New method.
        (layout::print_annotation_line): New method.
        (layout::get_state_at_point): New method.
        (layout::get_x_bound_for_row): New method.
        (diagnostic_show_locus): Reimplement in terms of class layout.
        (diagnostic_print_caret_line): Delete.
        * diagnostic.c (diagnostic_initialize): Replace
        MAX_LOCATIONS_PER_MESSAGE with rich_location::MAX_RANGES.
        (diagnostic_set_info_translated): Convert param from location_t
        to rich_location *.  Eliminate calls to set_location on the
        message in favor of storing the rich_location ptr there.
        (diagnostic_set_info): Convert param from location_t to
        rich_location *.
        (diagnostic_build_prefix): Break out array into...
        (diagnostic_kind_color): New variable.
        (diagnostic_get_color_for_kind): New function.
        (diagnostic_report_diagnostic): Colorize the option_text
        using the color for the severity.
        (diagnostic_append_note): Update for change in signature of
        diagnostic_set_info.
        (diagnostic_append_note_at_rich_loc): New function.
        (emit_diagnostic): Update for change in signature of
        diagnostic_set_info.
        (inform): Likewise.
        (inform_at_rich_loc): New function.
        (inform_n): Update for change in signature of diagnostic_set_info.
        (warning): Likewise.
        (warning_at): Likewise.
        (warning_at_rich_loc): New function.
        (warning_n): Update for change in signature of diagnostic_set_info.
        (pedwarn): Likewise.
        (permerror): Likewise.
        (permerror_at_rich_loc): New function.
        (error): Update for change in signature of diagnostic_set_info.
        (error_n): Likewise.
        (error_at): Likewise.
        (error_at_rich_loc): New function.
        (sorry): Update for change in signature of diagnostic_set_info.
        (fatal_error): Likewise.
        (internal_error): Likewise.
        (internal_error_no_backtrace): Likewise.
        (source_range::debug): New function.
        * diagnostic.h (struct diagnostic_info): Eliminate field
        "override_column".  Add field "richloc".
        (struct diagnostic_context): Add field "colorize_source_p".
        (diagnostic_override_column): Delete.
        (diagnostic_set_info): Convert param from location_t to
        rich_location *.
        (diagnostic_set_info_translated): Likewise.
        (diagnostic_append_note_at_rich_loc): New function.
        (diagnostic_num_locations): New function.
        (diagnostic_expand_location): Get the location from the
        rich_location.
        (diagnostic_print_caret_line): Delete.
        (diagnostic_get_color_for_kind): New declaration.
        * genmatch.c (linemap_client_expand_location_to_spelling_point): New.
        (error_cb): Update for change in signature of "error" callback.
        (fatal_at): Likewise.
        (warning_at): Likewise.
        * input.c (linemap_client_expand_location_to_spelling_point): New.
        * pretty-print.c (text_info::set_range): New method.
        (text_info::get_location): New method.
        * pretty-print.h (MAX_LOCATIONS_PER_MESSAGE): Eliminate this macro.
        (struct text_info): Eliminate "locations" array in favor of
        "m_richloc", a rich_location *.
        (textinfo::set_location): Add a "caret_p" param, and reimplement
        in terms of a call to set_range.
        (textinfo::get_location): Eliminate inline implementation in favor of
        an out-of-line reimplementation.
        (textinfo::set_range): New method.
        * rtl-error.c (diagnostic_for_asm): Update for change in signature
        of diagnostic_set_info.
        * tree-diagnostic.c (default_tree_printer): Update for new
        "caret_p" param for textinfo::set_location.
        * tree-pretty-print.c (percent_K_format): Likewise.

2015-11-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        Properly apply.
        2015-11-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
        * config/aarch64/aarch64.c
        (aarch64_can_use_per_function_literal_pools_p): New.
        (aarch64_use_blocks_for_constant_p): Adjust declaration
        and use aarch64_can_use_function_literal_pools_p.
        (aarch64_select_rtx_section): Update.

2015-11-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm-ldmstm.ml: Rewrite to generate unified asm templates.
        * config/arm/arm.c (arm_asm_trampoline_template): Make unified asm safe.
        (arm_output_multireg_pop): Likewise.
        (output_move_double):  Likewise.
        (output_move_quad):  Likewise.
        (output_return_instruction): Likewise.
        (arm_print_operand): Remove support for %( and %. print modifiers.
        (arm_output_shift): Make unified asm.
        (arm_declare_function_name): Likewise.
        * config/arm/arm.h (TARGET_UNIFIED_ASM): Delete.
        (ASM_APP_OFF): Adjust.
        (ASM_OUTPUT_REG_PUSH): Undo special casing for TARGET_ARM.
        (ASM_OUTPUT_REG_POP): Likewise.
        * config/arm/arm.md: Adjust uses of %., %(, %)
        * config/arm/sync.md: Likewise.
        * config/arm/thumb2.md: Likewise.
        * config/arm/ldmstm.md: Regenerate.
        * config/arm/arm.opt (masm-unified-syntax): Do not special case Thumb.
        * doc/invoke.texi (masm-unified-syntax): Update documentation.

2015-11-06  David Malcolm  <dmalcolm@redhat.com>

        * input.c (dump_line_table_statistics): Dump stats on adhoc table.

2015-11-07  Jan Hubicka  <hubicka@ucw.cz>

        * tree-core.h (size_type_kind): Remove OEP_CONSTANT_ADDRESS_OF and
        add OEP_MATCH_SIDE_EFFECTS.
        * fold-const.c (operand_equal_p): Update documentation; handle
        OEP_MATCH_SIDE_EFFECTS.
        * tree-ssa-tail-merge.c (gimple_operand_equal_value_p): Use
        OEP_MATCH_SIDE_EFFECTS.

2015-11-06  Benedikt Huber  <benedikt.huber@theobroma-systems.com>
            Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

        * config/aarch64/aarch64-builtins.c: Builtins for rsqrt and rsqrtf.
        * config/aarch64/aarch64-protos.h: Declare.
        * config/aarch64/aarch64-simd.md: Matching expressions for frsqrte and
        frsqrts.
        * config/aarch64/aarch64-tuning-flags.def: Added recip_sqrt.
        * config/aarch64/aarch64.c: New functions. Emit rsqrt estimation
        code when applicable.
        * config/aarch64/aarch64.md: Added enum entries.
        * config/aarch64/aarch64.opt: Added option -mlow-precision-recip-sqrt.

2015-11-07  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/68057
        PR ipa/68220
        * ipa-polymorphic-call.c
        (ipa_polymorphic_call_context::restrict_to_inner_type): Fix ordering
        issue when offset is out of range.
        (contains_type_p): Fix out of range check, clear dynamic flag.

2015-11-06  Arnout Vandecappelle  <arnout@mind.be>

        * config.gcc (e6500): Fix cpu_is_64bit typo.

2015-11-06  Alan Lawrence  <alan.lawrence@arm.com>

        * tree-sra.c (completely_scalarize): Properly handle negative array
        indices using offset_int.

2015-11-06  Richard Biener  <rguenther@suse.de>

        * alloc-pool.h (object_allocator::allocate): Default-initialize
        object.

2015-11-06  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.c (class sccvn_dom_walker): Add destructor.
        * lra.c (init_reg_info): Truncate copy_vec instead of
        re-allocating a new one and leaking the old.
        * ipa-inline-analysis.c (estimate_function_body_sizes): Free
        bb_infos vec.
        * sched-deps.c (sched_deps_finish): Free the dn/dl pools.
        * postreload-gcse.c (free_mem): Free modify_mem_list and
        canon_modify_mem_list.

2015-11-06  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR tree-optimization/68145
        * tree-vect-stmts.c (vectorizable_operation): Fix
        determination for booleans.

2015-11-06  Tom de Vries  <tom@codesourcery.com>

        * tree-cfg.c (gimple_split_block_before_cond_jump): Split before
        cond_jump, instead of split after last nondebug insn before cond_jump.
        * tree-parloops.c (transform_to_exit_first_loop_alt): Verify ssa before
        returning.

2015-11-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/68088
        * config/arm/aarch-common.c (aarch_accumulator_forwarding): Strip
        subregs from accumulator and make sure it's a register.

2015-11-06  Simon Dardis  <simon.dardis@imgtec.com>

        * config/mips/loongson.md (vec_loongson_extract_lo_<mode>): New, extract
        low part to scalar.
        (reduc_uplus_<mode>): Remove.
        (reduc_plus_scal_<mode>): Rename from reduc_splus_<mode>, Use vec
        loongson_extract_lo_<mode>.
        (reduc_smax_scal_<mode>, reduc_smin_scal_<mode>): Rename from
        reduc_smax_<mode>, reduc_smax_<mode>, use vec
        loongson_extract_lo_<mode>.
        (reduc_umax_scal_<mode>, reduc_umin_scal_<mode>): Rename.

2015-11-06  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (struct _bb_vec_info): Add region_begin/end
        members.
        (vect_stmt_in_region_p): Declare.
        * tree-vect-slp.c (new_bb_vec_info): Work on a region.
        (destroy_bb_vec_info): Likewise.
        (vect_bb_slp_scalar_cost): Use vect_stmt_in_region_p.
        (vect_get_and_check_slp_defs): Likewise.
        (vect_slp_analyze_bb_1): Refactor to make it work on sub-BBs.
        (vect_slp_bb): Likewise.
        * tree-vect-patterns.c (vect_same_loop_or_bb_p): Implement
        in terms of vect_stmt_in_region_p.
        (vect_pattern_recog): Iterate over the BB region.
        * tree-vect-stmts.c (vect_is_simple_use): Use vect_stmt_in_region_p.
        * tree-vectorizer.c (vect_stmt_in_region_p): New function.
        (pass_slp_vectorize::execute): Initialize all stmt UIDs to -1.
        * config/i386/i386.c: Include gimple-iterator.h.
        * config/aarch64/aarch64.c: Likewise.

2015-11-06  Alexandre Oliva <aoliva@redhat.com>

        PR rtl-optimization/67753
        PR rtl-optimization/64164
        * function.c (assign_parm_setup_block): Avoid allocating a
        stack slot if we don't have an ABI-reserved one.  Emit the
        copy to target_reg in the conversion seq if the copy from
        entry_parm is in it too.  Don't use the conversion seq to copy
        a PARALLEL to a REG or a CONCAT.

2015-11-06  Richard Biener  <rguenther@suse.de>

        * tree-hash-traits.h (tree_operand_hash): Provide equal, not
        equal_keys.

2015-11-05  Cesar Philippidis  <cesar@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>


        * gimplify.c (gimplify_scan_omp_clauses): Add support for
        OMP_CLAUSE_TILE.  Update handling of OMP_CLAUSE_INDEPENDENT.
        (gimplify_adjust_omp_clauses): Likewise.
        * omp-low.c (scan_sharing_clauses): Add support for OMP_CLAUSE_TILE.
        * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_TILE.
        * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_TILE.
        * tree.c (omp_clause_num_ops): Add an entry for OMP_CLAUSE_TILE.
        (omp_clause_code_name): Likewise.
        (walk_tree_1): Handle OMP_CLAUSE_TILE.
        * tree.h (OMP_TILE_LIST): New macro.

2015-11-05  Martin Sebor  <msebor@redhat.com>

        PR c++/67942
        * doc/invoke.texi (-Wplacement-new): Document new option.

2015-11-05  Alan Lawrence  <alan.lawrence@arm.com>

        PR tree-optimization/65963
        * tree-scalar-evolution.c (interpret_rhs_expr): Try to handle
        LSHIFT_EXPRs as equivalent unsigned MULT_EXPRs.

2015-11-05  James Greenhalgh  <james.greenhalgh@arm.com>

        * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): New.
        (noce_convert_multiple_sets): Likewise.
        (noce_process_if_block): Call them.

2015-11-05  Nathan Sidwell  <nathan@codesourcery.com>

        * gimple-fold.c: Include omp-low.h.
        (fold_internal_goacc_dim): New.
        (gimple_fold_call): Call it.

2015-11-05  Jakub Jelinek  <jakub@redhat.com>
            Ilya Verbin  <ilya.verbin@intel.com>

        * builtin-types.def
        (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR): Remove.
        (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): New.
        * cgraph.h (enum cgraph_simd_clone_arg_type): Add
        SIMD_CLONE_ARG_TYPE_LINEAR_REF_VARIABLE_STEP,
        SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_VARIABLE_STEP and
        SIMD_CLONE_ARG_TYPE_LINEAR_VAL_VARIABLE_STEP.
        (struct cgraph_simd_clone_arg): Adjust comment.
        * omp-builtins.def (BUILT_IN_GOMP_TARGET): Rename GOMP_target_41
        to GOMP_target_ext.  Add num_teams and thread_limit arguments.
        (BUILT_IN_GOMP_TARGET_DATA): Rename GOMP_target_data_41
        to GOMP_target_data_ext.
        (BUILT_IN_GOMP_TARGET_UPDATE): Rename GOMP_target_update_41
        to GOMP_target_update_ext.
        (BUILT_IN_GOMP_LOOP_NONMONOTONIC_DYNAMIC_START,
        BUILT_IN_GOMP_LOOP_NONMONOTONIC_GUIDED_START,
        BUILT_IN_GOMP_LOOP_NONMONOTONIC_DYNAMIC_NEXT,
        BUILT_IN_GOMP_LOOP_NONMONOTONIC_GUIDED_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_DYNAMIC_START,
        BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_GUIDED_START,
        BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_DYNAMIC_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_GUIDED_NEXT,
        BUILT_IN_GOMP_PARALLEL_LOOP_NONMONOTONIC_DYNAMIC,
        BUILT_IN_GOMP_PARALLEL_LOOP_NONMONOTONIC_GUIDED): New built-ins.
        * tree-core.h (enum omp_clause_schedule_kind): Add
        OMP_CLAUSE_SCHEDULE_MASK, OMP_CLAUSE_SCHEDULE_MONOTONIC,
        OMP_CLAUSE_SCHEDULE_NONMONOTONIC and change
        OMP_CLAUSE_SCHEDULE_LAST value.
        * tree.def (OMP_SIMD, CILK_SIMD, CILK_FOR, OMP_DISTRIBUTE,
        OMP_TASKLOOP, OACC_LOOP): Add OMP_FOR_ORIG_DECLS argument.
        * tree.h (OMP_FOR_ORIG_DECLS): Use OMP_LOOP_CHECK instead of
        OMP_FOR_CHECK.  Remove comment.
        * tree-pretty-print.c (dump_omp_clause): Handle
        GOMP_MAP_FIRSTPRIVATE_REFERENCE and GOMP_MAP_ALWAYS_POINTER.
        Simplify.  Print schedule clause modifiers.
        * tree-vect-stmts.c (vectorizable_simd_clone_call): Add
        SIMD_CLONE_ARG_TYPE_LINEAR_{REF,VAL,UVAL}_VARIABLE_STEP
        cases.
        * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP_ALWAYS_TO.
        (omp_default_clause): Tweak for
        private/firstprivate/is_device_ptr variables on target
        construct and use_device_ptr on target data.
        (omp_check_private): Likewise.
        (omp_notice_variable): For references check whether what it refers
        to has mappable type, rather than the reference itself.
        (omp_is_private): Diagnose linear iteration variables on non-simd
        constructs.
        (omp_no_lastprivate): Return true only for Fortran.
        (gimplify_scan_omp_clauses): Or in GOVD_MAP_ALWAYS_TO for
        GOMP_MAP_ALWAYS_TO or GOMP_MAP_ALWAYS_TOFROM kinds.
        Add support for GOMP_MAP_FIRSTPRIVATE_REFERENCE and
        GOMP_MAP_ALWAYS_POINTER, remove old handling of structure element
        based array sections.  Use GOMP_MAP_ALWAYS_P.  Fix up handling of
        lastprivate and linear when combined with distribute.  Gimplify
        variable low-bound for array reduction.  Look through
        POINTER_PLUS_EXPR when looking for ADDR_EXPR for array section
        reductions.
        (gimplify_adjust_omp_clauses_1): For implicit references to
        variables with reference type and when not ref to scalar or
        ref to pointer, map what they refer to using tofrom and
        use GOMP_MAP_FIRSTPRIVATE_REFERENCE for the reference.
        (gimplify_adjust_omp_clauses): Remove GOMP_MAP_ALWAYS_POINTER
        from target exit data.  Handle GOMP_MAP_FIRSTPRIVATE_REFERENCE.
        Drop OMP_CLAUSE_MAP_PRIVATE support.  Use GOMP_MAP_ALWAYS_P.
        Diagnose the same var on both firstprivate and lastprivate on
        distribute construct.
        (gimplify_omp_for): Fix up handling of predetermined
        lastprivate or linear iter vars when combined with distribute.
        (find_omp_teams, computable_teams_clause, optimize_target_teams): New
        functions.
        (gimplify_omp_workshare): Call optimize_target_teams.
        * omp-low.c (struct omp_region): Add sched_modifiers field.
        (struct omp_for_data): Likewise.
        (omp_any_child_fn_dumped): New variable.
        (extract_omp_for_data): Fill in sched_modifiers, and mask out
        OMP_CLAUSE_SCHEDULE_KIND bits outside of OMP_CLAUSE_SCHEDULE_MASK
        from sched_kind.
        (determine_parallel_type): Use only OMP_CLAUSE_SCHEDULE_MASK
        bits of OMP_CLAUSE_SCHED_KIND.
        (scan_sharing_clauses): Handle GOMP_MAP_FIRSTPRIVATE_REFERENCE,
        drop OMP_CLAUSE_MAP_PRIVATE support.  Look through POINTER_PLUS_EXPR
        for array section reductions.
        (add_taskreg_looptemp_clauses): Add one extra _looptemp_ clause even
        for distribute parallel for, if there are lastprivate clauses on the
        for.
        (lower_rec_input_clauses): Handle non-zero low-bound on array
        section reductions.
        (lower_reduction_clauses): Likewise.
        (lower_send_clauses): Look through POINTER_PLUS_EXPR
        for array section reductions.
        (expand_parallel_call): Use nonmonotonic entrypoints for
        nonmonotonic: dynamic/guided.
        (expand_omp_taskreg): Call assign_assembler_name_if_neeeded on
        child_fn if current_function_decl has assembler name set, but child_fn
        does not.  Dump the header and IL of the child function when not in SSA
        form.
        (expand_omp_target): Likewise.  Pass num_teams and thread_limit
        arguments to BUILT_IN_GOMP_TARGET.
        (expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
        Initialize the extra _looptemp_ clause to fd->loop.n2.
        (expand_omp_for): Use nonmonotonic entrypoints for
        nonmonotonic: dynamic/guided.  Initialize region->sched_modifiers.
        (expand_omp): Clear omp_any_child_fn_dumped.  Dump function header
        again if we have dumped any child functions.
        (lower_omp_for_lastprivate): Determine the right count variable
        for distribute simd, or distribute parallel for{, simd}.
        (lower_omp_target): Handle GOMP_MAP_FIRSTPRIVATE_REFERENCE
        and GOMP_MAP_ALWAYS_POINTER.  Drop OMP_CLAUSE_MAP_PRIVATE
        support.
        (simd_clone_clauses_extract): Handle variable step
        for references and arguments passed by reference.
        (simd_clone_mangle): Mangle ref/uval/val variable steps.
        (simd_clone_adjust_argument_types): Handle
        SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_VARIABLE_STEP like
        SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP and
        SIMD_CLONE_ARG_TYPE_LINEAR_VAL_VARIABLE_STEP like
        SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP.
        (simd_clone_linear_addend): New function.
        (simd_clone_adjust): Handle variable step like similarly
        to constant step, use simd_clone_linear_addend to determine
        the actual step at runtime.

2015-11-05  Nathan Sidwell  <nathan@codesourcery.com>

        * target.def (goacc.dim_limit): New hook.
        * targhooks.h (default_goacc_dim_limit): Declare.
        * doc/tm.texi.in (TARGET_GOACC_DIM_LIMIT): Add.
        * doc/tm.texi: Rebuilt.
        * omp-low.h (get_oacc_fn_dim_size, get_oacc_ifn_dim_arg): Declare.
        * omp-low.c (get_oacc_fn_dim_size, get_oacc_ifn_dim_arg): New.
        (default_goacc_dim_limit): New.
        * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH, PTX_WORKER_LENGTH): New.
        (nvptx_goacc_dim_limit) New.
        (TARGET_GOACC_DIM_LIMIT): Override.
        * tree-vrp.c: Include omp-low.h, target.h.
        (extract_range_basic): Add handling for IFN_GOACC_DIM_SIZE &
        IFN_GOACC_DIM_POS.

2015-11-05  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-generic.c (do_compare): Use -1 for true
        result instead of 1.

2015-11-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64.c
        (aarch64_can_use_per_function_literal_pools_p): New.
        (aarch64_use_blocks_for_constant_p): Adjust declaration
        and use aarch64_can_use_function_literal_pools_p.
        (aarch64_select_rtx_section): Update.

2015-11-05  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * targhooks.c (default_get_mask_mode): Use BLKmode in
        case target doesn't support required vector mode.
        * stor-layout.c (layout_type); Check for BLKmode.

2015-11-04  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
        Remove use of parameter_rename_map.
        (copy_def): Remove.
        (copy_internal_parameters): Remove.
        (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
        * sese.c (new_sese_info): Do not initialize parameter_rename_map.
        (free_sese_info): Do not free parameter_rename_map.
        (set_rename): Do not use parameter_rename_map.
        (rename_uses): Update call to set_rename.
        (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
        * sese.h (parameter_rename_map_t): Remove.
        (struct sese_info_t): Remove field parameter_rename_map.

2015-11-04  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c: Include tree-cfg.h.
        (translate_isl_ast_node_user): Add more dumps: call print_loops_bb.
        * graphite-scop-detection.c (dot_all_scops_1): Moved out of
        anonymous namespace.
        * graphite-sese-to-poly.c (ssa_name_version_typesize): Remove.
        (isl_id_for_pbb): Use a buffer of size 10.
        (isl_id_for_ssa_name): Same.
        * sese.c (set_rename): Add more dumps.

2015-11-04  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.c (struct omp_context): Remove reduction_map field.
        (lookup_oacc_reduction, maybe_lookup_oacc_reduction): Delete.
        (new_omp_context, delete_omp_context, scan_omp_target): Remove
        reduction_map handling.
        (lower_omp_target): Remove obsolete openacc reduction handling.

2015-11-04  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add checking.

2015-11-04  Nathan Sidwell  <nathan@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>

        * config/nvptx/nvptx.c: Include gimple headers.
        (worker_red_size, worker_red_align, worker_red_name,
        worker_red_sym): New.
        (nvptx_option_override): Initialize worker reduction buffer.
        (nvptx_file_end): Write out worker reduction buffer var.
        (nvptx_expand_shuffle, nvptx_expand_worker_addr,
        nvptx_expand_cmp_swap): New builtin expanders.
        (enum nvptx_builtins): New.
        (nvptx_builtin_decls): New.
        (nvptx_builtin_decl, nvptx_init_builtins, nvptx_expand_builtin): New
        (PTX_VECTOR_LENGTH, PTX_WORKER_LENGTH): New.
        (nvptx_get_worker_red_addr, nvptx_generate_vector_shuffle,
        nvptx_lockless_update): New helpers.
        (nvptx_goacc_reduction_setup, nvptx_goacc_reduction_init,
        nvptx_goacc_reduction_fini, nvptx_goacc_reduction_teaddown): New.
        (nvptx_goacc_reduction): New.
        (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN,
        TARGET_BUILTIN_DECL): Override.
        (TARGET_GOACC_REDUCTION): Override.

2015-11-04  Nathan Sidwell  <nathan@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>

        * internal-fn.def (GOACC_REDUCTION): New.
        * internal-fn.h (enum ifn_goacc_reduction_kind): New.
        * internal-fn.c (expand_GOACC_REDUCTION): New.
        * target.def (goacc.reduction): New OpenACC hook.
        * targhooks.h (default_goacc_reduction): Declare.
        * doc/tm.texi.in: Add TARGET_GOACC_REDUCTION.
        * doc/tm.texi: Rebuilt.
        * omp-low.c (oacc_get_reduction_array_id, oacc_max_threads,
        scan_sharing_clauses): Remove oacc reduction handling here.
        (lower_rec_input_clauses): Don't handle OpenACC reductions here.
        (oacc_lower_reduction_var_helper): Delete.
        (lower_oacc_reductions): New.
        (lower_reduction_clauses): Don't handle OpenACC reductions here.
        (lower_oacc_head_tail): Call lower_oacc_reductions.
        (oacc_gimple_assign, oacc_init_reduction_array,
        oacc_initialize_reduction_data, oacc_finalize_reduction_data,
        oacc_process_reduction_data): Delete.
        (lower_omp_target): Remove old OpenACC reduction handling.  Insert
        dummy OpenACC gang reduction for reductions at outer level.
        (oacc_loop_xform_head_tail): Transform IFN_GOACC_REDUCTION.
        (default_goacc_reduction): New.
        (execute_oacc_device_lower): Handle IFN_GOACC_REDUCTION.

2015-11-04  Martin Liska  <mliska@suse.cz>

        * cgraphunit.c (cgraph_node::expand_thunk): Call
        allocate_struct_function before init_function_start.
        (cgraph_node::expand): Use push_cfun and pop_cfun.
        * config/i386/i386.c (ix86_code_end): Call
        allocate_struct_function before init_function_start.
        * config/rs6000/rs6000.c (rs6000_code_end): Likewise.
        * function.c (init_function_start): Move preamble to all
        callers.
        * passes.c (do_per_function_toporder): Use push_cfun and pop_cfun.
        (execute_one_pass): Handle newly added TODO_discard_function.
        (execute_pass_list_1): Terminate if cfun equals to NULL.
        (execute_pass_list): Do not push and pop cfun, expect that
        cfun is set.
        * tree-pass.h (TODO_discard_function): Define.

2015-11-04  Mikhail Maltsev  <maltsevm@gmail.com>

        * cfganal.c (inverted_post_order_compute): Remove conditional
        compilation, use flag_checking.
        * config.in: Regenerate.
        * configure: Regenerate.
        * configure.ac: Remove ENABLE_CHECKING.
        * genconditions.c: Do not #undef ENABLE_CHECKING.
        * sese.h (bb_in_region): Comment out broken check.
        * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa_1): Remove
        conditional compilation, use flag_checking.

2015-11-04  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/67742
        * tree-ssa-structalias.c (struct fieldoff): Add restrict_pointed_type
        field.
        (push_fields_onto_fieldstack): Handle restrict_pointed_type field.
        (create_variable_info_for_1): Add and handle handle_param parameter.
        Add restrict handling.
        (create_variable_info_for): Call create_variable_info_for_1 with extra
        arg.
        (make_param_constraints): Drop restrict_name parameter.  Ignore
        vi->only_restrict_pointers.
        (intra_create_variable_infos): Call create_variable_info_for_1 with
        extra arg.  Remove restrict handling.  Call make_param_constraints with
        one fewer arg.

2015-11-04  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (create_variable_info_for_1): Use decl_type
        variable.

2015-11-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * config/arm/coff.h: Remove.

2015-11-03  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-expr.c (useless_type_conversion_p): Reinstate type canonical
        check for aggregate types and beef up comment for mode check.

2015-11-03  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_analyze_data_refs): Do not collect
        data references here.
        * tree-vect-loop.c: Include cgraph.h.
        (vect_analyze_loop_2): Collect data references here.
        * tree-vect-slp.c (find_bb_location): Inline ...
        (vect_slp_bb): ... here.  Renamed from vect_slp_analyze_bb.
        Factor in vect_slp_transform_bb.
        (vect_slp_transform_bb): Removed.
        (vect_slp_analyze_bb_1): Collect data references here.
        * tree-vectorizer.c (pass_slp_vectorize::execute): Call
        vect_slp_bb.
        * tree-vectorizer.h (vect_slp_bb): Declare.
        (vect_slp_analyze_bb): Remove.
        (vect_slp_transform_bb): Remove.
        (find_bb_location): Remove.
        (vect_analyze_data_refs): Remove stmt count reference parameter.

2015-11-03  Evgeny Stupachenko  <evstupac@gmail.com>

        * multiple_target.c (create_dispatcher_calls): Add target check
        on ifunc.
        (create_target_clone): Change assembler name for versioned declarations.

2015-11-03  Thomas Schwinge  <thomas@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * builtins.def (DEF_GOMP_BUILTIN): Enable for flag_openacc.
        * omp-low.c (check_omp_nesting_restrictions): Allow
        GIMPLE_OMP_ATOMIC_LOAD, GIMPLE_OMP_ATOMIC_STORE inside OpenACC
        contexts.

2015-11-03  Bilyan Borisov  <bilyan.borisov@arm.com>

        * config/aarch64/aarch64-simd-builtins.def (fmulx): New.
        * config/aarch64/aarch64-simd.md (aarch64_fmulx<mode>): New.
        * config/aarch64/arm_neon.h (vmulx_f32): Rewrite to call fmulx
        builtin.
        (vmulxq_f32): Likewise.
        (vmulx_f64): New.
        (vmulxq_f64): Rewrite to call fmulx builtin.
        (vmulxs_f32): Likewise.
        (vmulxd_f64): Likewise.
        (vmulx_lane_f32): Remove.
        * config/aarch64/iterators.md (UNSPEC): Add fmulx.

2015-11-03  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64.md (*movhf_aarch64): Use
        aarch64_reg_or_fp_zero for second operand.

2015-11-03  Alexandre Oliva <aoliva@redhat.com>

        * gimple-expr.c: Include hash-set.h and rtl.h.
        (mark_addressable_queue): New var.
        (mark_addressable): Factor actual marking into...
        (mark_addressable_1): ... this.  Queue it up during expand.
        (mark_addressable_2): New.
        (flush_mark_addressable_queue): New.
        * gimple-expr.h (flush_mark_addressable_queue): Declare.
        * cfgexpand.c: Include gimple-expr.h.
        (pass_expand::execute): Flush mark_addressable queue.

2015-11-02  Alexandre Oliva <aoliva@redhat.com>

        * tree-ssa-ifcombine.c (tree_ssa_ifcombine_bb_1): Factor out
        bb_no_side_effects_p tests...
        (tree_ssa_ifcombine_bb): ... here.

        PR tree-optimization/68083
        * tree-ssa-ifcombine.c: Include tree-ssa.h.
        (bb_no_side_effects_p): Test for undefined uses too.
        * tree-ssa.c (gimple_uses_undefined_value_p): New.
        * tree-ssa.h (gimple_uses_undefined_value_p): Declare.

2015-11-02  Jeff Law <law@redhat.com>

        * tree-ssa-threadupdate.c (valid_jump_thread_path): Also detect
        cases where the loop latch edge is in the middle of an FSM path.

2015-11-03  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (make_restrict_var_constraints): Rename to ...
        (make_param_constraints): ... this.  Add and handle restrict_name
        parameter.  Handle is_full_var case.
        (intra_create_variable_infos): Use make_param_constraints.

2015-11-03  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (make_restrict_var_constraints): Replace
        make_copy_constraint call with make_constraint_from call.

2015-11-02  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/rs6000/freebsd64.h (ASM_SPEC32): Adust spec to handle
        PIE executables.

2015-11-02  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.h (fold_fma): Move to fold-const-call.h.
        * builtins.c: Include fold-const-call.h.
        (mathfn_built_in_2): New function, split out from...
        (mathfn_built_in_1): ...here.
        (do_real_to_int_conversion, fold_const_builtin_pow)
        (fold_const_builtin_logb, fold_const_builtin_significand)
        (fold_const_builtin_load_exponent, do_mpfr_arg1, do_mpfr_arg2)
        (do_mpfr_arg3, do_mpfr_sincos, do_mpfr_bessel_n, do_mpc_arg1): Delete.
        (fold_builtin_sincos): Use fold_const_call to handle constants.
        (fold_builtin_1, fold_builtin_2, fold_builtin_3): Add explicit
        checks for ERROR_MARK.  Use fold_const_call to handle constant
        folds for math functions.
        (fold_fma): Move to fold-const-call.c.
        * fold-const.c: Include fold-const-call.h.
        * Makefile.in (OBJS): Add fold-const-call.o.
        (PLUGIN_HEADERS): Add fold-const-call.h.
        * realmpfr.h (real_from_mpfr): Allow the format to be specified
        directly.
        * realmpfr.c (real_from_mpfr): Likewise.
        * fold-const-call.h, fold-const-call.c: New files.

2015-11-02  Julian Brown  <julian@codesourcery.com>

        * config/arm/neon-testgen.ml (emit_epilogue): Remove extraneous
        brackets and semicolon.

2015-11-02  Alan Lawrence  <alan.lawrence@arm.com>

        Revert:
        2015-10-27  Alan Lawrence  <alan.lawrence@arm.com>

        PR tree-optimization/65963
        * tree-scalar-evolution.c (interpret_rhs_expr): Handle some
        LSHIFT_EXPRs as equivalent MULT_EXPRs.

2015-11-02  Thomas Schwinge  <thomas@codesourcery.com>

        PR middle-end/68166
        * fold-const.c: Include "md5.h".

2015-11-01  Jeff Law <law@redhat.com>

        * vmsdbgout.c: Revert unused header file reduction patch.

        * config/mcore/mcore.c: Include regs.h.

2015-10-31  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Rewrite.

2015-10-31  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Use the
        same condition for testing whether RS6000_PIC_OFFSET_TABLE_REGNUM is
        live as for using it elsewhere, for TARGET_MINIMAL_TOC.

2015-10-31  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * ggc-common.c: Restore needed header for checking=release.

2015-10-31  Tom de Vries  <tom@codesourcery.com>

        * fold-const.c (fold_unary_loc): Tune POINTER_PLUS_EXPR folding.

2015-10-31  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (intra_create_variable_infos): Don't expect
        existing varinfo for arguments.

2015-10-31  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (ipa_pta_execute): Add extra arg to call to
        create_function_info_for.  Dump constraints generated during
        create_function_info_for. Move intra_create_variable_infos call and
        function-return-values-escape bit to ...
        (create_function_info_for): ... here, and merge
        intra_create_variable_infos call with argument loop.  Add and handle
        nonlocal_p parameter.

2015-10-31  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (create_function_info_for): Make sure prev_vi
        updating is alap, and seperated from preceding code.  Make sure
        insert_vi_for_tree is seperated from surrounding code.

2015-10-31  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (ipa_pta_execute): Use make_copy_constraint.

2015-10-30  Jeff Law <law@redhat.com>
            Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.h (HARD_REGNO_NREGS): Avoid warning on unused
        args.
        (MOVE_MAX): Set to 8.

2015-10-30  Cesar Philippidis  <cesar@codesourcery.com>

        * cgraph.c: Include context.h for offloading.
        * varpool.c: Include context.h and omp-low.h.

2015-10-30  Anatoly Sokolov  <aesok@post.ru>

        * rtl.h (contains_symbol_ref_p): Declare.
        (SYMBOL_REF_P): Define.
        * rtlanal.c (contains_symbol_ref_p: New function.
        * lra-constraints.c (contains_symbol_ref_p): Remove.
        * var-tracking.c (contains_symbol_ref): Remove.
        (track_expr_p): Use contains_symbol_ref_p instead of
        contains_symbol_ref.

2015-10-30  Alan Lawrence  <alan.lawrence@arm.com>

        * gimple-fold.c (fold_array_ctor_reference): Move searching code to:
        * fold-const.c (get_array_ctor_element_at_index): New.
        (fold): Remove binary-search through CONSTRUCTOR, call previous.

        * fold-const.h (get_array_ctor_element_at_index): New.

2015-10-30  Evgeny Stupachenko  <evstupac@gmail.com>

        * Makefile.in (OBJS): Add multiple_target.o.
        * attrib.c (make_attribute): Moved from config/i386/i386.c
        * config/i386/i386.c (make_attribute): Deleted.
        * multiple_target.c (create_dispatcher_calls): New.
        (get_attr_len): Ditto.
        (get_attr_str): Ditto.
        (separate_attrs): Ditto.
        (is_valid_asm_symbol): Ditto.
        (create_new_asm_name): Ditto.
        (create_target_clone): Ditto.
        (expand_target_clones): Ditto.
        (ipa_target_clone): Ditto.
        (ipa_dispatcher_calls): Ditto.
        * passes.def (pass_target_clone): Two new ipa passes.
        * tree-pass.h (make_pass_target_clone): Ditto.
        * doc/extend.texi (target_clones): New attribute description.

2015-10-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68106
        * lra-remat.c (input_regno_present_p): Process hard regs
        explicitly present in machine description insns.
        (call_used_input_regno_present_p): Ditto.
        (calculate_gen_cands): Ditto.
        (do_remat): Ditto.

2015-10-30  Jim Wilson  <jim.wilson@linaro.org>

        * config/arm/neon-testgen.ml: Fix comment typo.

2015-10-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * rtlanal.c (reg_set_p): Expand function comment.

2015-10-30  Andrew MacLeod  <amacleod@redhat.com>

        * alias.c: Remove unused headers.
        * asan.c: Likewise.
        * attribs.c: Likewise.
        * auto-inc-dec.c: Likewise.
        * auto-profile.c: Likewise.
        * bb-reorder.c: Likewise.
        * bitmap.c: Likewise.
        * bt-load.c: Likewise.
        * builtins.c: Likewise.
        * caller-save.c: Likewise.
        * calls.c: Likewise.
        * ccmp.c: Likewise.
        * cfg.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfgexpand.c: Likewise.
        * cfghooks.c: Likewise.
        * cfgloop.c: Likewise.
        * cfgloopanal.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * cfgrtl.c: Likewise.
        * cgraph.c: Likewise.
        * cgraphbuild.c: Likewise.
        * cgraphclones.c: Likewise.
        * cgraphunit.c: Likewise.
        * cilk-common.c: Likewise.
        * combine-stack-adj.c: Likewise.
        * combine.c: Likewise.
        * compare-elim.c: Likewise.
        * convert.c: Likewise.
        * coverage.c: Likewise.
        * cppbuiltin.c: Likewise.
        * cprop.c: Likewise.
        * cse.c: Likewise.
        * cselib.c: Likewise.
        * data-streamer-in.c: Likewise.
        * data-streamer-out.c: Likewise.
        * data-streamer.c: Likewise.
        * dbxout.c: Likewise.
        * dce.c: Likewise.
        * ddg.c: Likewise.
        * debug.c: Likewise.
        * df-core.c: Likewise.
        * df-problems.c: Likewise.
        * df-scan.c: Likewise.
        * dfp.c: Likewise.
        * dojump.c: Likewise.
        * dominance.c: Likewise.
        * domwalk.c: Likewise.
        * double-int.c: Likewise.
        * dse.c: Likewise.
        * dumpfile.c: Likewise.
        * dwarf2asm.c: Likewise.
        * dwarf2cfi.c: Likewise.
        * dwarf2out.c: Likewise.
        * emit-rtl.c: Likewise.
        * except.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fixed-value.c: Likewise.
        * fold-const.c: Likewise.
        * function.c: Likewise.
        * fwprop.c: Likewise.
        * gcse.c: Likewise.
        * generic-match-head.c: Likewise.
        * ggc-common.c: Likewise.
        * gimple-builder.c: Likewise.
        * gimple-expr.c: Likewise.
        * gimple-fold.c: Likewise.
        * gimple-iterator.c: Likewise.
        * gimple-low.c: Likewise.
        * gimple-match-head.c: Likewise.
        * gimple-pretty-print.c: Likewise.
        * gimple-ssa-isolate-paths.c: Likewise.
        * gimple-ssa-strength-reduction.c: Likewise.
        * gimple-streamer-in.c: Likewise.
        * gimple-streamer-out.c: Likewise.
        * gimple-walk.c: Likewise.
        * gimple.c: Likewise.
        * gimplify-me.c: Likewise.
        * gimplify.c: Likewise.
        * godump.c: Likewise.
        * graph.c: Likewise.
        * graphds.c: Likewise.
        * haifa-sched.c: Likewise.
        * hw-doloop.c: Likewise.
        * ifcvt.c: Likewise.
        * init-regs.c: Likewise.
        * internal-fn.c: Likewise.
        * ipa-chkp.c: Likewise.
        * ipa-comdats.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-devirt.c: Likewise.
        * ipa-icf-gimple.c: Likewise.
        * ipa-icf.c: Likewise.
        * ipa-inline-analysis.c: Likewise.
        * ipa-inline-transform.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-polymorphic-call.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-ref.c: Likewise.
        * ipa-reference.c: Likewise.
        * ipa-split.c: Likewise.
        * ipa-utils.c: Likewise.
        * ipa-visibility.c: Likewise.
        * ipa.c: Likewise.
        * ira-build.c: Likewise.
        * ira-color.c: Likewise.
        * ira-conflicts.c: Likewise.
        * ira-costs.c: Likewise.
        * ira-emit.c: Likewise.
        * ira-lives.c: Likewise.
        * ira.c: Likewise.
        * jump.c: Likewise.
        * langhooks.c: Likewise.
        * lcm.c: Likewise.
        * lists.c: Likewise.
        * loop-doloop.c: Likewise.
        * loop-init.c: Likewise.
        * loop-invariant.c: Likewise.
        * loop-iv.c: Likewise.
        * loop-unroll.c: Likewise.
        * lower-subreg.c: Likewise.
        * lra-assigns.c: Likewise.
        * lra-coalesce.c: Likewise.
        * lra-constraints.c: Likewise.
        * lra-eliminations.c: Likewise.
        * lra-lives.c: Likewise.
        * lra-remat.c: Likewise.
        * lra-spills.c: Likewise.
        * lra.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-compress.c: Likewise.
        * lto-opts.c: Likewise.
        * lto-section-in.c: Likewise.
        * lto-section-out.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * lto-streamer.c: Likewise.
        * mcf.c: Likewise.
        * mode-switching.c: Likewise.
        * modulo-sched.c: Likewise.
        * optabs.c: Likewise.
        * opts-global.c: Likewise.
        * passes.c: Likewise.
        * plugin.c: Likewise.
        * postreload-gcse.c: Likewise.
        * postreload.c: Likewise.
        * predict.c: Likewise.
        * print-tree.c: Likewise.
        * profile.c: Likewise.
        * real.c: Likewise.
        * realmpfr.c: Likewise.
        * recog.c: Likewise.
        * ree.c: Likewise.
        * reg-stack.c: Likewise.
        * regcprop.c: Likewise.
        * reginfo.c: Likewise.
        * regrename.c: Likewise.
        * regstat.c: Likewise.
        * reload.c: Likewise.
        * reload1.c: Likewise.
        * reorg.c: Likewise.
        * resource.c: Likewise.
        * rtl-chkp.c: Likewise.
        * rtl-error.c: Likewise.
        * rtlanal.c: Likewise.
        * rtlhooks.c: Likewise.
        * sanopt.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-ebb.c: Likewise.
        * sched-rgn.c: Likewise.
        * sdbout.c: Likewise.
        * sel-sched-dump.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * sel-sched.c: Likewise.
        * sese.c: Likewise.
        * shrink-wrap.c: Likewise.
        * simplify-rtx.c: Likewise.
        * stack-ptr-mod.c: Likewise.
        * statistics.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * store-motion.c: Likewise.
        * stringpool.c: Likewise.
        * symtab.c: Likewise.
        * target-globals.c: Likewise.
        * targhooks.c: Likewise.
        * toplev.c: Likewise.
        * tracer.c: Likewise.
        * trans-mem.c: Likewise.
        * tree-affine.c: Likewise.
        * tree-call-cdce.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-chkp-opt.c: Likewise.
        * tree-chkp.c: Likewise.
        * tree-chrec.c: Likewise.
        * tree-complex.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-dfa.c: Likewise.
        * tree-diagnostic.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-emutls.c: Likewise.
        * tree-if-conv.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-iterator.c: Likewise.
        * tree-loop-distribution.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-nrv.c: Likewise.
        * tree-object-size.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-phinodes.c: Likewise.
        * tree-predcom.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-profile.c: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa-address.c: Likewise.
        * tree-ssa-alias.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree-ssa-copy.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-ssa-dse.c: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * tree-ssa-ifcombine.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-ch.c: Likewise.
        * tree-ssa-loop-im.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-ssa-loop-manip.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-loop-unswitch.c: Likewise.
        * tree-ssa-loop.c: Likewise.
        * tree-ssa-math-opts.c: Likewise.
        * tree-ssa-operands.c: Likewise.
        * tree-ssa-phiopt.c: Likewise.
        * tree-ssa-phiprop.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-propagate.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-ssa-scopedtables.c: Likewise.
        * tree-ssa-sink.c: Likewise.
        * tree-ssa-strlen.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-ssa-tail-merge.c: Likewise.
        * tree-ssa-ter.c: Likewise.
        * tree-ssa-threadupdate.c: Likewise.
        * tree-ssa-uncprop.c: Likewise.
        * tree-ssa-uninit.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-ssanames.c: Likewise.
        * tree-stdarg.c: Likewise.
        * tree-streamer-in.c: Likewise.
        * tree-streamer-out.c: Likewise.
        * tree-streamer.c: Likewise.
        * tree-switch-conversion.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-generic.c: Likewise.
        * tree-vect-loop-manip.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-slp.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.
        * tsan.c: Likewise.
        * ubsan.c: Likewise.
        * value-prof.c: Likewise.
        * var-tracking.c: Likewise.
        * varasm.c: Likewise.
        * varpool.c: Likewise.
        * vmsdbgout.c: Likewise.
        * vtable-verify.c: Likewise.
        * web.c: Likewise.
        * wide-int-print.cc: Likewise.
        * wide-int.cc: Likewise.
        * xcoffout.c: Likewise.

2015-10-30  James Greenhalgh  <james.greenhalgh@arm.com>

        * doc/invoke.texi (fdump-rtl-@var{pass}): Clarify relationship
        between pass numbering and execution order.

2015-10-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (cortex_a9_sched_adjust_cost): Use reg_set_p to
        check for dependencies.

2015-10-30  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-ssa-math-opts.c (pass_cse_sincos::execute): Don't free
        CDI_DOMINATORS.

2015-10-30  Richard Sandiford  <richard.sandiford@arm.com>

        * real.h (format_helper): New.
        (real_convert, exact_real_truncate, real_from_string3, real_to_target)
        (real_from_target, real_nan, real_2expN, real_value_truncate)
        (significand_size, real_from_string2, exact_real_inverse)
        (exact_real_inverse, real_powi, real_trunc, real_floor, real_ceil)
        (real_round, real_isinteger, real_from_integer): Replace
        machine_mode arguments with format_helper arguments.
        * real.c (exact_real_inverse, real_from_string2, real_from_string3)
        (real_from_integer, real_nan, real_2expN, real_convert)
        (real_value_truncate, exact_real_truncate, real_to_target)
        (real_from_target, significand_size, real_powi, real_trunc)
        (real_floor, real_ceil, real_round, real_isinteger): Replace
        machine_mode arguments with format_helper arguments.
        (real_to_target_fmt, real_from_target_fmt): Delete.
        * dfp.h (decimal_real_convert): Replace mode argument with real_format.
        * dfp.c (decimal_to_binary, decimal_real_convert): Replace mode
        argument with real_format.
        * builtins.c (do_real_to_int_conversion): Update type of fn argument.

2015-10-30  Richard Sandiford  <richard.sandiford@arm.com>

        * fixed-value.c (check_real_for_fixed_mode, fixed_from_string)
        (fixed_to_decimal, fixed_convert_from_real)
        (real_convert_from_fixed): Fix mode arguments to real_2expN.

2015-10-30  Richard Sandiford  <richard.sandiford@arm.com>

        * real.h (REAL_MODE_FORMAT): Abort if the mode isn't a
        SCALAR_FLOAT_MODE_P.

2015-10-30  Alan Lawrence  <alan.lawrence@arm.com>

        * tree-sra.c (scalarizable_type_p): Comment variable-length arrays.
        (completely_scalarize): Comment zero-length arrays.
        (get_access_replacement): Correct comment re. precondition.

2015-10-30  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * config/i386/i386.c (get_builtin_code_for_version): Set priority
        for PROCESSOR_ZNVER1.
        (enum processor_model): Add M_AMDFAM17H_znver1.
        (struct arch_names_table): Likewise.
        * doc/extend.texi: ADD znver1.

2015-10-30  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (fold_gimple_assign): Do not dispatch to
        fold () on single RHSs.  Allow CONSTRUCTORS with trailing
        zeros to be folded to VECTOR_CSTs.
        * tree.c (build_vector_from_ctor): Handle VECTOR_CST elements.
        * fold-const.c (fold): Use build_vector_from_ctor.

2015-10-30  Evandro Menezes  <e.menezes@samsung.com>

        * config/aarch64/aarch64.md (*movhf_aarch64): Change the type of
        "mov %0.h[0], %1.h[0] to "neon_move".
        (*movtf_aarch64): Change the type of "fmov %s0, wzr" to "f_mcr".
        (*cmov<mode>_insn): Change the types of "mov %<w>0, {-1,1}" to
        "mov_imm".
        (*cmovsi_insn_uxtw): Likewise.

2015-10-30  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (ipa_pta_execute): Declare variable from as
        unsigned, and initialize, and use initial value instead of hardcoded
        constant.  Add generic constraints dumping section.  Don't dump global
        initializers constraints dumping section if empty.  Don't update
        variable from if unused.

2015-10-29  Mikhail Maltsev  <maltsevm@gmail.com>

        * config/alpha/alpha.c (alpha_function_arg): Use gcc_checking_assert,
        flag_checking and/or CHECKING_P to eliminate conditional compilation
        on ENABLE_CHECKING.
        * config/arm/arm.c (arm_unwind_emit_sequence): Likewise.
        * config/bfin/bfin.c (hwloop_optimize): Likewise.
        * config/i386/i386.c (ix86_print_operand_address): Likewise.
        (output_387_binary_op): Likewise.
        * config/ia64/ia64.c (ia64_sched_init, bundling): Likewise.
        * config/m68k/m68k.c (m68k_sched_md_init_global): Likewise.
        * config/rs6000/rs6000.c (htm_expand_builtin, rs6000_emit_prologue):
        Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/visium/visium.c (visium_setup_incoming_varargs): Likewise.

2015-10-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.opt (mfdpic): Add missing period.

2015-08-29  Anatoly Sokolov  <aesok@post.ru>

        * config/mcore/mcore.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
        BASE_REGISTER_RTX_P, INDEX_REGISTER_RTX_P,
        GO_IF_LEGITIMATE_ADDRESS): Remove macros.
        * config/mcore/mcore.c (mcore_reg_ok_for_base_p,
        mcore_base_register_rtx_p, mcore_legitimate_index_p,
        mcore_legitimate_address_p): New functions.
        (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.

2015-10-29  Jeff Law  <law@redhat.com>

        * tree-ssa-scopedtables.h (const_and_copies): Remove invalidate
        method.
        * tree-ssa-scopedtables.h (const_and_copies::invalidate): Remove.
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts_at_dest): Remove
        backedge_seen argument and associated code which invalidated
        equivalences based on the value of that argument.
        (thread_through_normal_block): Corresponding changes.

2015-10-29  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Move this
        function earlier in the file.
        (first_reg_to_save): Use rs6000_reg_live_or_pic_offset_p instead of
        df_regs_ever_live_p.

2015-10-29  Segher Boessenkool  <segher@kernel.crashing.org>

        * lra-constraints.c (process_address_1): Handle (mem:BLK (scratch))
        by ignoring it.

2015-10-29  Richard Henderson  <rth@redhat.com>

        PR target/68124
        PR rtl-opt/67609
        * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
        sse check to the exact conditions of PR 67609.

2015-10-29  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_init_libfuncs): Split libfunc
        setup into 3 functions: init_float128_ibm, init_float128_ieee, and
        rs6000_init_libfuncs. If -mfloat128, add IFmode functions for all
        of the traditional names that TFmode uses for handling IEEE
        extended double. If -mfloat128, add KFmode functions for all of
        the emulation functions. If -mabi=ieeelongdouble and -mfloat128,
        make TFmode use the same emulation functions as KFmode.
        (init_float128_ibm): Likewise.
        (init_float128_ieee): Likewise.
        (rs6000_generate_compare): For IEEE 128-bit floating point
        comparisons, call the unordered comparison function instead of the
        ordered comparison function.
        (rs6000_expand_float128_convert): Deal with operands that are
        memory operands. Restructure the code to use a switch statement on
        the mode. Add support for TFmode defaulting to either IBM extended
        double or IEEE 128-bit floating point. If the underlying types are
        the same, use a move instead of a conversion function.
        (TARGET_C_MODE_FOR_SUFFIX): Define 'q' and 'Q' as the suffix to
        use for IEEE 128-bit floating point constants with -mfloat128.
        (rs6000_c_mode_for_suffix): Likewise.
        (TARGET_INVALID_BINARY_OP): Do not allow inter-mixing of IEEE
        128-bit floating point with IBM extended double floating point.
        (rs6000_invalid_binary_op): Likewise.
        (rs6000_gen_le_vsx_permute): On little endian systems generate a
        ROTATE insn instead of VEC_SELECT for IEEE 128-bit floating point
        types that can go in vector registers.
        (chain_contains_only_swaps): Properly swap IEEE 128-bit floating
        point types that can go in vector registers on little endian
        PowerPC systems.
        (mark_swaps_for_removal): Likewise.
        (rs6000_analyze_swaps): Likewise.
        (rs6000_mangle_type): Use U10__float128 for IEEE 128-bit floating point.

        * config/rs6000/rs6000.md (FLOAT128_SFDFTF): Delete iterator,
        rework IEEE 128-bit floating point insns to deal with TFmode being
        either IBM extended double or IEEE 128-bit floating point.
        (IFKF): Likewise.
        (IBM128): Update iterator to add condition that the mode is IBM
        extended double.
        (IEEE128): New iterator for IEEE 128-bit floating point.
        (TFIFKF): Rename TFIFKF iterator to FLOAT128.
        (FLOAT128): Likewise.
        (signbit<mode>2): FLOAT128_IBM_P condition test moved into IBM128
        iterator.
        (neg<mode>2): Replace TFIFKF iterator with FLOAT128. Add support
        for TFmode being IEEE 128-bit floating point. Use IEEE128 iterator
        instead of hard coding TFmode or KFmode.
        (negtf2_internal): Likewise.
        (neg<mode>2_internal): Likewise.
        (abs<mode>2): Likewise.
        (abstf2_internal): Likewise.
        (abs<mode>2_internal): Likewise.
        (ieee_128bit_neg<mode>2): Likewise.
        (ieee_128bit_neg<mode>2_internal): Likewise.
        (ieee_128bit_abs<mode>2): Likewise.
        (ieee_128bit_abs<mode>2_internal): Likewise.
        (ieee_128bit_nabs<mode>2): Likewise.
        (ieee_128bit_nabs<mode>2_internal): Likewise.
        (extendiftf2): Add explicit conversions between 128-bit floating
        point types. Drop the old conversions that had become unwieldy.
        (extend<FLOAT128_SFDFTF:mode><IFKF:mode>2): Likewise.
        (extendifkf2): Likewise.
        (trunc<IFKF:mode><FLOAT128_SFDFTF:mode>2): Likewise.
        (extendtfkf2): Likewise.
        (fix_trunc<IFKF:mode><SDI:mode>2): Likewise.
        (trunciftf2): Likewise.
        (fixuns_trunc<IFKF:mode><SDI:mode>2): Likewise.
        (truncifkf2): Likewise.
        (float<SDI:mode><IFKF:mode>2): Likewise.
        (trunckftf2): Likewise.
        (floatuns<SDI:mode><IFKF:mode>2): Likewise.
        (trunctfif2): Likewise.
        (FP iterator): Allow TFmode to be IEEE 128-bit floating point.
        (extenddftf2): Rework 128-bit floating point conversions to
        properly handle -mabi=ieeelongdouble. Merge IFmode, TFmode, and
        KFmode expanders into one function.
        (extenddf<mode>2): Likewise.
        (extenddftf2_fprs): Likewise.
        (extenddf<mode>2_fprs): Likewise.
        (extenddftf2_vsx): Likewise.
        (extenddf<mode>2_vsx): Likewise.
        (extendsftf2): Likewise.
        (extendsf<mode>2): Likewise.
        (trunctfdf2): Likewise.
        (trunc<mode>df2): Likewise.
        (trunctfdf2_internal1): Likewise.
        (trunc<mode>df2_internal1): Likewise.
        (trunctfdf2_internal2): Likewise.
        (trunc<mode>df2_internal2): Likewise.
        (trunctfsf2): Likewise.
        (trunc<mode>sf2): Likewise.
        (trunctfsf2_fprs): Likewise.
        (trunc<mode>sf2_fprs): Likewise.
        (floatsit2f): Likewise.
        (floatsi<mode>2): Likewise.
        (fix_trunc_helper): Likewise.
        (fix_trunc_helper<mode>): Likewise.
        (fix_trunctfsi2): Likewise.
        (fix_trunc<mode>si2): Likewise.
        (fix_trunctfsi2_fprs): Likewise.
        (fix_trunc<mode>si2_fprs): Likewise.
        (fix_trunctfsi2_internal): Likewise.
        (fix_trunc<mode>si2_internal): Likewise.
        (fix_trunctfdi2): Likewise.
        (fix_trunc<mode>di2): Likewise.
        (fixuns_trunctf<mode>2): Likewise.
        (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
        (floatditf2): Likewise.
        (floatdi<mode>2): Likewise.
        (floatuns<mode>tf2): Likewise.
        (floatuns<SDI:mode><IEEE128:mode>): Likewise.
        (cmptf_internal1): Use a mode iterator to add support for both
        types (IFmode, TFmode) that support IBM extended double.
        (cmp<mode>_internal1): Likewise.
        (cmptf_internal2): Likewise.
        (cmp<mode>_internal2): Likewise.

        * doc/extend.texi (Floating Types): Document __ibm128 and
        __float128 on PowerPC.

        * doc/invoke.texi (RS/6000 and PowerPC Options): Document
        -mfloat128 and -mno-float128.

2015-10-29  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.h (ALTIVEC_VECTOR_MODE): Add IEEE 128-bit
        floating point modes that can go in vector registers.
        (MODES_TIEABLE_P): Move tests for vector modes before tests for
        scalar floating point, so that IEEE 128-bit floating point that
        can go in vector registers bind with vectors and not FP.
        (struct rs6000_args): Add libcall field.

        * config/rs6000/rs6000.opt (-mfloat128-*): Delete -mfloat128-none
        and -mfloat128-software switches.  Replace them with a binary
        -mfloat128 switch.
        (-mfloat128): Likewise.

        * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Allow
        128-bit floating point types in GPRs, even if the appropriate
        option enabling the type was not used.
        (rs6000_debug_reg_global): Remove -mfloat128-{software,none}
        debugging.
        (rs6000_setup_reg_addr_masks): Do not allow pre-increment and
        pre-decrement on IEEE 128-bit floating point values.
        (rs6000_init_hard_regno_mode_ok): Change test for whether TFmode
        is IEEE 128-bit floating point.
        (rs6000_init_hard_regno_mode_ok): Add reload handlers for IEEE
        128-bit floating point types that can go in vector registers.
        (rs6000_option_override_internal): Change -mfloat128-none and
        -mfloat128-software to -mfloat128, and move code to be near other
        VSX option handling.
        (rs6000_option_override_internal): Disable -mfloat128 if we don't
        have the Altivec ABI.
        (rs6000_init_builtins): Don't make TFmode use either IFmode or
        KFmode floating point nodes. Instead, have three separate nodes.
        (rs6000_scalar_mode_supported_p): Add support for IFmode to allow
        eventually moving the long double default to IEEE 128-bit floating
        point.
        (rs6000_opt_masks): Add -mfloat128.
        (struct rs6000_opt_var): Fix typo in comment.
        (init_cumulative_args): Initialize libcall field in
        CUMULATIVE_ARGS.
        (rs6000_function_arg): Treat library functions as if they had
        prototypes to prevent IEEE 128-bit support functions from passing
        arguments in both GPRs and vector registers.
        (rs6000_arg_partial_bytes): Likewise.

        * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Add -mfloat128 as
        an option that can be turned on via -mcpu=<xxx>.

        * config/rs6000/rs6000-opts.h (enum float128_type_t): Delete, no
        longer used.

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        __FLOAT128__ if -mfloat128. Define __LONG_DOUBLE_IEEE128__ if long
        double is IEEE 128-bit. Define __LONG_DOUBLE_IBM128__ if long
        double is IBM extended double.

        * config/rs6000/predicates.md (reg_or_indexed_operand): Allow
        SUBREGs.

2015-10-29  Mikhail Maltsev  <maltsevm@gmail.com>

        * genautomata.c: Use CHECKING_P instead of ENABLE_CHECKING.
        * genconditions.c: Define CHECKING_P in the generated code.
        * genextract.c: Use flag_checking in insn_extract.
        * gengtype.c (main): Remove conditional compilation.
        * gengtype.h: Likewise.

2015-10-29  Jeff Law  <law@redhat.com>

        PR tree-optimization/67892
        * tree-ssa-threadedge.c (simplify_controL_stmt_condition): Fix typo
        in comment.
        (thread_through_normal_block): If we have seen a backedge, then
        do nothing.  No longer call find_jump_threads_backwards here.
        (thread_across_edge): Use find_jump_threads_backwards to find
        jump threads if the old style threader was not successful.
        * tree-ssa-threadbackward.c (get_gimple_control_stmt): Use
        gsi_last_nondebug_bb.  Return NULL if the block does not end
        with a control statement.
        (find_jump_threads_backwards): Setup code moved here from
        tree-ssa-threadedge.c::thread_through_normal_block.  Accept
        single edge argument instead of name & block.
        * tree-ssa-threadbackward.h (find_jump_threads_backwards): Update
        prototype.

2015-10-29  Tom de Vries  <tom@codesourcery.com>

        * fold-const.c (fold_unary_loc): Remove folding inhibition for restrict
        types.

2015-10-29  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.c (lower_omp_target): Remove unreachable code & merge
        ifs.

2015-10-29  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (X-(X/Y)*Y): Properly handle conversions and commutativity.

2015-10-29  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-call-cdce.c (shrink_wrap_one_built_in_call): Remove
        guard_bb0 and use guard_bb throughout.

2015-10-29  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-call-cdce.c (shrink_wrap_one_built_in_call): Remove
        unnecessary label.

2015-10-29  Richard Biener  <rguenther@suse.de>

        PR middle-end/68142
        * fold-const.c (extract_muldiv_1): Avoid introducing undefined
        overflow.

2015-10-29  Andrew MacLeod  <amacleod@redhat.com>

        * alias.c: Reorder #include statements and remove duplicates.
        * asan.c: Likewise.
        * attribs.c: Likewise.
        * auto-inc-dec.c: Likewise.
        * auto-profile.c: Likewise.
        * bb-reorder.c: Likewise.
        * bt-load.c: Likewise.
        * builtins.c: Likewise.
        * caller-save.c: Likewise.
        * calls.c: Likewise.
        * ccmp.c: Likewise.
        * cfg.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfgexpand.c: Likewise.
        * cfghooks.c: Likewise.
        * cfgloop.c: Likewise.
        * cfgloopanal.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * cfgrtl.c: Likewise.
        * cgraph.c: Likewise.
        * cgraphbuild.c: Likewise.
        * cgraphclones.c: Likewise.
        * cgraphunit.c: Likewise.
        * cilk-common.c: Likewise.
        * combine-stack-adj.c: Likewise.
        * combine.c: Likewise.
        * compare-elim.c: Likewise.
        * convert.c: Likewise.
        * coverage.c: Likewise.
        * cppbuiltin.c: Likewise.
        * cprop.c: Likewise.
        * cse.c: Likewise.
        * cselib.c: Likewise.
        * data-streamer-in.c: Likewise.
        * data-streamer-out.c: Likewise.
        * data-streamer.c: Likewise.
        * dbxout.c: Likewise.
        * dce.c: Likewise.
        * ddg.c: Likewise.
        * debug.c: Likewise.
        * df-core.c: Likewise.
        * df-problems.c: Likewise.
        * df-scan.c: Likewise.
        * dfp.c: Likewise.
        * dojump.c: Likewise.
        * dominance.c: Likewise.
        * double-int.c: Likewise.
        * dse.c: Likewise.
        * dumpfile.c: Likewise.
        * dwarf2asm.c: Likewise.
        * dwarf2cfi.c: Likewise.
        * dwarf2out.c: Likewise.
        * emit-rtl.c: Likewise.
        * except.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fixed-value.c: Likewise.
        * fold-const.c: Likewise.
        * function.c: Likewise.
        * fwprop.c: Likewise.
        * gcse.c: Likewise.
        * generic-match-head.c: Likewise.
        * ggc-common.c: Likewise.
        * gimple-builder.c: Likewise.
        * gimple-expr.c: Likewise.
        * gimple-fold.c: Likewise.
        * gimple-iterator.c: Likewise.
        * gimple-low.c: Likewise.
        * gimple-match-head.c: Likewise.
        * gimple-pretty-print.c: Likewise.
        * gimple-ssa-isolate-paths.c: Likewise.
        * gimple-ssa-strength-reduction.c: Likewise.
        * gimple-streamer-in.c: Likewise.
        * gimple-streamer-out.c: Likewise.
        * gimple-walk.c: Likewise.
        * gimple.c: Likewise.
        * gimplify-me.c: Likewise.
        * gimplify.c: Likewise.
        * godump.c: Likewise.
        * graph.c: Likewise.
        * graphite-poly.c: Likewise.
        * haifa-sched.c: Likewise.
        * hw-doloop.c: Likewise.
        * ifcvt.c: Likewise.
        * incpath.c: Likewise.
        * init-regs.c: Likewise.
        * internal-fn.c: Likewise.
        * ipa-chkp.c: Likewise.
        * ipa-comdats.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-devirt.c: Likewise.
        * ipa-icf-gimple.c: Likewise.
        * ipa-icf.c: Likewise.
        * ipa-inline-analysis.c: Likewise.
        * ipa-inline-transform.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-polymorphic-call.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-ref.c: Likewise.
        * ipa-reference.c: Likewise.
        * ipa-split.c: Likewise.
        * ipa-utils.c: Likewise.
        * ipa-visibility.c: Likewise.
        * ipa.c: Likewise.
        * ira-build.c: Likewise.
        * ira-color.c: Likewise.
        * ira-conflicts.c: Likewise.
        * ira-costs.c: Likewise.
        * ira-emit.c: Likewise.
        * ira-lives.c: Likewise.
        * ira.c: Likewise.
        * jump.c: Likewise.
        * langhooks.c: Likewise.
        * lcm.c: Likewise.
        * lists.c: Likewise.
        * loop-doloop.c: Likewise.
        * loop-init.c: Likewise.
        * loop-invariant.c: Likewise.
        * loop-iv.c: Likewise.
        * loop-unroll.c: Likewise.
        * lower-subreg.c: Likewise.
        * lra-assigns.c: Likewise.
        * lra-coalesce.c: Likewise.
        * lra-constraints.c: Likewise.
        * lra-eliminations.c: Likewise.
        * lra-lives.c: Likewise.
        * lra-remat.c: Likewise.
        * lra-spills.c: Likewise.
        * lra.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-compress.c: Likewise.
        * lto-opts.c: Likewise.
        * lto-section-in.c: Likewise.
        * lto-section-out.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * lto-streamer.c: Likewise.
        * mode-switching.c: Likewise.
        * modulo-sched.c: Likewise.
        * omp-low.c: Likewise.
        * optabs.c: Likewise.
        * opts-global.c: Likewise.
        * passes.c: Likewise.
        * plugin.c: Likewise.
        * postreload-gcse.c: Likewise.
        * postreload.c: Likewise.
        * predict.c: Likewise.
        * print-tree.c: Likewise.
        * profile.c: Likewise.
        * real.c: Likewise.
        * realmpfr.c: Likewise.
        * recog.c: Likewise.
        * ree.c: Likewise.
        * reg-stack.c: Likewise.
        * regcprop.c: Likewise.
        * reginfo.c: Likewise.
        * regrename.c: Likewise.
        * regstat.c: Likewise.
        * reload.c: Likewise.
        * reload1.c: Likewise.
        * reorg.c: Likewise.
        * resource.c: Likewise.
        * rtl-chkp.c: Likewise.
        * rtl-error.c: Likewise.
        * rtlanal.c: Likewise.
        * rtlhooks.c: Likewise.
        * sanopt.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-ebb.c: Likewise.
        * sched-rgn.c: Likewise.
        * sese.c: Likewise.
        * shrink-wrap.c: Likewise.
        * simplify-rtx.c: Likewise.
        * stack-ptr-mod.c: Likewise.
        * statistics.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * store-motion.c: Likewise.
        * stringpool.c: Likewise.
        * symtab.c: Likewise.
        * target-globals.c: Likewise.
        * targhooks.c: Likewise.
        * toplev.c: Likewise.
        * tracer.c: Likewise.
        * trans-mem.c: Likewise.
        * tree-affine.c: Likewise.
        * tree-call-cdce.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-chkp-opt.c: Likewise.
        * tree-chkp.c: Likewise.
        * tree-chrec.c: Likewise.
        * tree-complex.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-dfa.c: Likewise.
        * tree-diagnostic.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-emutls.c: Likewise.
        * tree-if-conv.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-iterator.c: Likewise.
        * tree-loop-distribution.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-nrv.c: Likewise.
        * tree-object-size.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-phinodes.c: Likewise.
        * tree-predcom.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-profile.c: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa-address.c: Likewise.
        * tree-ssa-alias.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree-ssa-copy.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-ssa-dom.c: Likewise.
        * tree-ssa-dse.c: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * tree-ssa-ifcombine.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-ch.c: Likewise.
        * tree-ssa-loop-im.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-ssa-loop-manip.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-loop-unswitch.c: Likewise.
        * tree-ssa-loop.c: Likewise.
        * tree-ssa-math-opts.c: Likewise.
        * tree-ssa-operands.c: Likewise.
        * tree-ssa-phiopt.c: Likewise.
        * tree-ssa-phiprop.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-propagate.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-ssa-scopedtables.c: Likewise.
        * tree-ssa-sink.c: Likewise.
        * tree-ssa-strlen.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-ssa-tail-merge.c: Likewise.
        * tree-ssa-ter.c: Likewise.
        * tree-ssa-threadedge.c: Likewise.
        * tree-ssa-threadupdate.c: Likewise.
        * tree-ssa-uncprop.c: Likewise.
        * tree-ssa-uninit.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-ssanames.c: Likewise.
        * tree-stdarg.c: Likewise.
        * tree-streamer-in.c: Likewise.
        * tree-streamer-out.c: Likewise.
        * tree-streamer.c: Likewise.
        * tree-switch-conversion.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-generic.c: Likewise.
        * tree-vect-loop-manip.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-slp.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.
        * tsan.c: Likewise.
        * ubsan.c: Likewise.
        * value-prof.c: Likewise.
        * var-tracking.c: Likewise.
        * varasm.c: Likewise.
        * varpool.c: Likewise.
        * vtable-verify.c: Likewise.
        * web.c: Likewise.
        * wide-int-print.cc: Likewise.
        * wide-int.cc: Likewise.
        * xcoffout.c: Likewise.

2015-10-29  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (NO_PIE_CFLAGS): New.
        (NO_PIE_FLAG): Likewise.
        (NO_PIE_CFLAGS_FOR_BUILD): Likewise.
        (NO_PIE_FLAG_FOR_BUILD): Likewise.
        (BUILD_NO_PIE_CFLAGS): Likewise.
        (BUILD_NO_PIE_FLAG): Likewise.
        (COMPILER): Replace @NO_PIE_CFLAGS@ with $(NO_PIE_CFLAGS).
        (LINKER): Replace @NO_PIE_FLAG@ with $(NO_PIE_FLAG).
        (BUILD_CFLAGS): Replace @NO_PIE_CFLAGS@ with
        $(BUILD_NO_PIE_CFLAGS).
        (BUILD_CXXFLAGS): Likewise.
        (BUILD_LDFLAGS ): Replace @NO_PIE_FLAG@ with
        $(BUILD_NO_PIE_FLAG).
        * configure.ac (BUILD_NO_PIE_CFLAGS): New.  AC_SUBST.
        (BUILD_NO_PIE_FLAG): Likewise.
        (NO_PIE_CFLAGS_FOR_BUILD): Likewise.
        (NO_PIE_FLAG_FOR_BUILD): Likewise.
        * configure: Regenerated.

2015-10-29  Richard Biener  <rguenther@suse.de>

        PR middle-end/56956
        * fold-const.c (fold_cond_expr_with_comparison): Do not fold
        unsigned conditonal negation to ABS_EXPR.

2015-10-29  Richard Biener  <rguenther@suse.de>

        * gimple-match-head.c (gimple_simplify): Remove premature checking
        of builtin_decl_implicit of function calls we simplify.

2015-10-29  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (split_address_cost): Check depends_on.
        (get_computation_cost_at): Ditto.
        (determine_use_iv_cost_address): Pass NULL for arguments depends_on
        and inv_expr_id.

2015-10-28  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (intra_create_variable_infos): Remove
        superfluous code.

2015-10-28  Jason Merrill  <jason@redhat.com>

        * Makefile.in (TAGS): Include libcpp and libiberty.

2015-10-28  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.c (MASK_GANG, MASK_WORKER, MASK_VECTOR): Delete.
        (extract_omp_for_data): Remove OpenACC special handling of
        chunking.

        * config/nvptx/nvptx.c (nvptx_print_operand): Remove 'd' case.
        (struct parallel): Update comment.
        (nvptx_reorg): Likewise.
        (nvptx_neuter): Cleanup whitespace.

2015-10-28  Richard Henderson  <rth@redhat.com>

        * tree-eh.c (mark_reachable_handlers): Fix typo in assert.

2015-10-05  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        PR target/67839
        * config/avr/predicates.md (low_io_address_operand): Don't
        consider MODE when computing upper bound.
        (io_address_operand): Likewise.

2015-10-28  Jan Hubicka  <hubicka@ucw.cz>

        * fold-const.c (operand_equal_p): Do not verify that types are
        compatible for MEM_REFs.

2015-10-28  Richard Biener  <rguenther@suse.de>

        * gimple-match-head.c (gimple_simplify): Allow VECTOR_CSTs
        in simplifying VEC_COND_EXPR conditions.

2015-10-28  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (intra_create_variable_infos): Don't iterate
        into vi_next of a full_var.

2015-10-28  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (new_var_info, make_heapvar)
        (make_constraint_from_restrict, make_constraint_from_global_restrict)
        (create_function_info_for, create_variable_info_for_1)
        (create_variable_info_for): Add and handle add_id parameter.
        (get_call_vi, new_scalar_tmp_constraint_exp, handle_rhs_call)
        (init_base_vars): Add extra argument to calls to new_var_info.
        (get_vi_for_tree): Add extra argument to call to
        create_variable_info_for.
        (process_constraint, do_deref, process_all_all_constraints): Add extra
        argument to calls to new_scalar_tmp_constraint_exp.
        (handle_lhs_call, find_func_aliases_for_builtin_call): Add extra
        argument to calls to make_heapvar.
        (make_restrict_var_constraints): Add extra argument to call to
        make_constraint_from_global_restrict.
        (intra_create_variable_infos): Add extra argument to call to
        create_variable_info_for_1.
        (ipa_pta_execute): Add extra argument to call to
        create_function_info_for.

2015-10-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64.md (call, call_value, sibcall): Handle noplt.
        (sibcall_value): Likewise.

2015-10-28  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.h (struct machine_function): Add
        axis_predicate.
        * config/nvptx/nvptx-protos.h (nvptx_expand_oacc_fork,
        nvptx_expand_oacc_join): Declare.
        * config/nvptx/nvptx.md (UNSPEC_NTID, UNSPEC_TID): Delete.
        (UNSPEC_DIM_SIZE, UNSPEC_SHARED_DATA, UNSPEC_BIT_CONV,
        UNSPEC_SHUFFLE, UNSPEC_BR_UNIFIED): New.
        (UNSPECV_BARSYNC, UNSPECV_DIM_POS, UNSPECV_FORK, UNSPECV_FORKED,
        UNSPECV_JOINING, UNSPECV_JOIN): New.
        (BITS, BITD): New mode iterators.
        (br_true_uni, br_false_uni): New.
        (*oacc_ntid_insn, oacc_ntid, *oacc_tid_insn, oacc_tid): Delete.
        (oacc_dim_size, oacc_dim_pos): New.
        (nvptx_fork, nvptx_forked, nvptx_joining, nvptx_join): New.
        (oacc_fork, oacc_join): New.
        (nvptx_shuffle<mode>, unpack<mode>si2, packsi<mode>2): New.
        (worker_load<mode>, worker_store<mode>): New.
        (nvptx_barsync): New.
        * config/nvptx/nvptx.c: Include gimple.h & dumpfile.h.
        (SHUFFLE_UP, SHUFFLE_DOWN, SHUFFLE_BFLY, SHUFFLE_IDX): Define.
        (worker_bcast_hwm, worker_bcast_align, worker_bcast_name,
        worker_bcast_sym): New.
        (nvptx_option_override): Initialize worker broadcast buffer.
        (nvptx_emit_forking, nvptx_emit_joining): New.
        (nvptx_init_axis_predicate): New.
        (nvptx_declare_function_name): Init axis predicates.
        (nvptx_expand_call): Add fork/join markers around routine call.
        (nvptx_expand_oacc_fork, nvptx_expand_oacc_join): New.
        (nvptx_gen_unpack, nvptx_gen_pack, nvptx_gen_shuffle): New.
        (nvptx_gen_vcast): New.
        (struct wcast_data_t): New.
        (enum propagate_mask): New.
        (nvptx_gen_wcast): New.
        (nvptx_print_operand): Add 'S' case.
        (struct parallel): New.
        (parallel::parallel, parallel::~parallel): New.
        (bb_insn_map_t, insn_bb_t, insn_bb_vec_t): New typedefs.
        (nvptx_split_blocks, nvptx_discover_pre, nvptx_dump_pars,
        nvptx_find_par, nvptx_discover_pars): New.
        (nvptx_propagate): New.
        (vprop_gen, nvptx_vpropagate): New.
        (wprop_gen, nvptx_wpropagate): New.
        (nvptx_wsync): New.
        (nvptx_single, nvptx_skip_par): New.
        (nvptx_process_pars, nvptx_neuter_pars): New.
        (ntptx_reorg): Split blocks, generate parallel structure, apply
        neutering.
        (nvptx_cannot_copy_insn_p): New.
        (nvptx_file_end): Emit worker broadcast decl.
        (nvptx_goacc_fork_join): New.
        (TARGET_CANNOT_COPY_INSN_P): Override.
        (TARGET_GOACC_FORK_JOIN): Override.

2015-10-28  Richard Biener  <rguenther@suse.de>

        * fold-const.c (negate_expr_p): Adjust the division case to
        properly avoid introducing undefined overflow.
        (fold_negate_expr): Likewise.

2015-10-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65962
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Avoid creating loop carried dependences also for outer loops
        of the loop a use to replace is in.

2015-10-28  Richard Biener  <rguenther@suse.de>

        * common.opt (fchecking): New flag controlling flag_checking.
        * passes.c (verify_curr_properties): Drop DEBUG_FUNCTION.
        * timevar.c (timer::print): Adjust output.
        * doc/invoke.texi (fchecking): Document.

2015-10-28  Richard Biener  <rguenther@suse.de>

        PR middle-end/68067
        * fold-const.c (negate_expr_p): We cannot negate plus or minus
        if overflow is not wrapping.  Likewise multiplication unless
        one operand is constant and not power of two.
        (fold_negate_expr): Adjust accordingly.

2015-10-27  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.c (struct omp_context): Remove gwv_below, gwv_this
        fields.
        (is_oacc_parallel, is_oacc_kernels): New.
        (enclosing_target_ctx): May return NULL.
        (ctx_in_oacc_kernels_region): New.
        (check_oacc_kernel_gwv): New.
        (oacc_loop_or_target_p): Delete.
        (scan_omp_for): Don't calculate gwv mask.  Check parallel clause
        operands.  Strip reductions fro kernels.
        (scan_omp_target): Don't calculate gwv mask.
        (lower_oacc_head_mark, lower_oacc_loop_marker,
        lower_oacc_head_tail): New.
        (struct oacc_collapse): New.
        (expand_oacc_collapse_init, expand_oacc_collapse_vars): New.
        (expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
        Remove OpenACC handling.
        (expand_oacc_for): New.
        (expand_omp_for): Call expand_oacc_for.
        (lower_omp_for): Call lower_oacc_head_tail.

2015-10-27  Mikhail Maltsev  <maltsevm@gmail.com>

        * attribs.c (check_attribute_tables): New function, broken out from...
        (init_attributes): Use it.
        * cfgcleanup.c (try_optimize_cfg): Use flag_checking, CHECKING_P
        gcc_checking_assert and checking_* functions to eliminate
        ENABLE_CHECKING conditionals.
        * cfgexpand.c (expand_goto, expand_debug_expr): Likewise.
        (pass_expand::execute): Likewise.
        * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
        * cgraphunit.c (mark_functions_to_output): Likewise.
        (cgraph_node::expand_thunk): Likewise.
        (symbol_table::compile): Likewise.
        * ddg.c (add_cross_iteration_register_deps): Likewise.
        (create_ddg_all_sccs): Likewise.
        * df-core.c (df_finish_pass, df_analyze): Likewise.
        * diagnostic-core.h: Likewise.
        * diagnostic.c (diagnostic_report_diagnostic): Likewise.
        * dominance.c (calculate_dominance_info): Likewise.
        * dwarf2out.c (add_AT_die_ref): Likewise.
        (const_ok_for_output_1, mem_loc_descriptor): Likewise.
        (loc_list_from_tree, gen_lexical_block_die): Likewise.
        gen_type_die_with_usage, gen_type_die): Likewise.
        (dwarf2out_decl): Likewise.
        * emit-rtl.c (verify_rtx_sharing, reorder_insns_nobb): Likewise.
        * except.c (duplicate_eh_regions): Likewise.
        * fwprop.c (register_active_defs, update_df_init): Likewise.
        (fwprop_init, fwprop_done): Likewise.
        (update_uses): Likewise.
        * ggc-page.c (ggc_grow): Likewise.
        * gimplify.c (gimplify_body): Likewise.
        (gimplify_hasher::equal): Likewise.
        * graphite-isl-ast-to-gimple.c (graphite_verify): Likewise.
        * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form):
        Likewise.
        * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Likewise.
        (rewrite_cross_bb_scalar_deps_out_of_ssa): Likwise.
        * hash-table.h (::find_empty_slot_for_expand): Likewise.
        * ifcvt.c (if_convert): Likewise.
        * ipa-cp.c (ipcp_propagate_stage): Likewise.
        * ipa-devirt.c (type_in_anonymous_namespace_p): Likewise.
        (odr_type_p, odr_types_equivalent_p): Likewise.
        (add_type_duplicate, get_odr_type): Likewise.
        * ipa-icf.c (sem_item_optimizer::execute): Likewise.
        (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
        (sem_item_optimizer::verify_classes): Likewise.
        (sem_item_optimizer::traverse_congruence_split): Likewise.
        (sem_item_optimizer::checking_verify_classes): New.
        * ipa-icf.h (sem_item_optimizer::checking_verify_classes): Add new
        method.
        * cfgrtl.c (commit_edge_insertions): Likewise.
        (fixup_reorder_chain, cfg_layout_finalize): Likewise.
        (rtl_flow_call_edges_add): Likewise.
        * cgraph.c (symbol_table::create_edge): Likewise.
        (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
        * cgraph.h (symtab_node): Likewise.
        (symtab_node::checking_verify_symtab_nodes): Define.
        (cgraph_node::checking_verify_cgraph_nodes): Define.
        * cfghooks.h (checking_verify_flow_info): Define.
        * cfgloop.h (checking_verify_loop_structure): Define.
        * dominance.h (checking_verify_dominators): Define.
        * et-forest.c: Fix comment.
        * ipa-inline-analysis.c (compute_inline_parameters): Use flag_checking,
        CHECKING_P gcc_checking_assert and checking_* functions to eliminate
        ENABLE_CHECKING conditionals.
        * ipa-inline-transform.c (save_inline_function_body): Likewise.
        * ipa-inline.c (inline_small_functions): Likewise.
        (early_inliner): Likewise.
        * ipa-inline.h (estimate_edge_growth): Likewise.
        * ipa-visibility.c (function_and_variable_visibility): Likewise.
        * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
        (ipa_single_use): Likewise.
        * ira-int.h: Likewise.
        * ira.c (ira): Likewise.
        * loop-doloop.c (doloop_optimize_loops): Likewise.
        * loop-init.c (loop_optimizer_init, fix_loop_structure): Likewise.
        * loop-invariant.c (move_loop_invariants): Likewise.
        * lra-assigns.c (lra_assign): Likewise.
        * lra-constraints.c (lra_constraints): Likewise.
        * lra-eliminations.c (lra_eliminate): Likewise.
        * lra-int.h (struct lra_reg): Likewise.
        * lra-lives.c (check_pseudos_live_through_calls): Likewise.
        (lra_create_live_ranges_1): Likewise.
        * lra-remat.c (create_remat_bb_data): Likewise.
        * lra.c (lra_update_insn_recog_data, restore_scratches): Likewise.
        (lra): Likewise.
        (check_rtl): Always define. Remove incorrect guard around
        extract_constrain_insn call.
        * lto-cgraph.c (input_cgraph_1: Use flag_checking,
        CHECKING_P gcc_checking_assert and checking_* functions to eliminate
        ENABLE_CHECKING conditionals.
        * lto-streamer-out.c (DFS::DFS): Likewise.
        (lto_output): Likewise.
        * lto-streamer.c (lto_streamer_init): Likewise.
        * omp-low.c (scan_omp_target, expand_omp_taskreg): Likewise.
        expand_omp_target, execute_expand_omp): Likewise.
        (lower_omp_target): Likewise.
        * passes.c (execute_function_todo): Likewise.
        (execute_todo, execute_one_pass): Likewise.
        (verify_curr_properties): Always define.
        * predict.c (tree_estimate_probability: Use flag_checking,
        CHECKING_P gcc_checking_assert and checking_* functions to eliminate
        ENABLE_CHECKING conditionals.
        (propagate_freq): Likewise.
        * pretty-print.c (pp_format): Likewise.
        * real.c (real_to_decimal_for_mode): Likewise.
        * recog.c (split_all_insns): Likewise.
        * regcprop.c (kill_value_one_regno): Likewise.
        (copy_value): Likewise.
        (validate_value_data): Define unconditionally.
        * reload.c: Fix comment.
        * timevar.c: Include options.h
        * tree-ssa.h (checking_verify_ssa): Define.
        * tree-ssa-loop-manip.h (checking_verify_loop_closed_ssa): Define.
        * sched-deps.c (CHECK): Remove unused macro.
        (add_or_update_dep_1, sd_add_dep: Use flag_checking, CHECKING_P
        gcc_checking_assert and checking_* functions to eliminate
        ENABLE_CHECKING conditionals.
        * sel-sched-ir.c (free_regset_pool, tidy_control_flow): Likewise.
        * sel-sched.c (struct moveop_static_params): Likewise.
        (find_best_reg_for_expr, move_cond_jump): Likewise.
        (move_op_orig_expr_not_found): Likewise.
        (code_motion_process_successors, move_op): Likewise.
        * ssa-iterators.h (first_readonly_imm_use): Likewise.
        (next_readonly_imm_use): Likewise.
        * store-motion.c (compute_store_table): Likewise.
        * symbol-summary.h (function_summary::function_summary): Likewise.
        * target.h (cumulative_args_t): Likewise.
        (get_cumulative_args, pack_cumulative_args): Likewise.
        * timevar.c: (timer::print): Likewise.
        * trans-mem.c (ipa_tm_execute): Likewise.
        * tree-cfg.c (move_stmt_op): Likewise.
        (move_sese_region_to_fn): Likewise.
        (gimple_flow_call_edges_add): Likewise.
        * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
        Likewise.
        * tree-eh.c (remove_unreachable_handlers): Likewise.
        * tree-if-conv.c (pass_if_conversion::execute): Likewise.
        * tree-inline.c (expand_call_inline, optimize_inline_calls): Likewise.
        * tree-into-ssa.c (update_ssa): Likewise.
        * tree-loop-distribution.c (pass_loop_distribution::execute): Likewise.
        * tree-outof-ssa.c (eliminate_useless_phis, rewrite_trees): Likewise.
        * tree-parloops.c (pass_parallelize_loops::execute): Likewise.
        * tree-predcom.c (suitable_component_p): Likewise.
        * tree-profile.c (gimple_gen_const_delta_profiler): Likewise.
        * tree-ssa-alias.c (refs_may_alias_p_1): Likewise.
        * tree-ssa-live.c (verify_live_on_entry): Likewise.
        * tree-ssa-live.h (register_ssa_partition): Likewise.
        * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Likewise.
        * tree-ssa-loop-manip.c (add_exit_phi): Likewise.
        (tree_transform_and_unroll_loop): Likewise.
        * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-ssa-propagate.c (replace_exp_1): Likewise.
        * tree-ssa-structalias.c (rewrite_constraints): Likewise.
        * tree-ssa-ter.c (free_temp_expr_table): Likewise.
        * tree-ssa-threadupdate.c (duplicate_thread_path): Likewise.
        * tree-ssanames.c (release_ssa_name_fn): Likewise.
        * tree-stdarg.c (expand_ifn_va_arg): Likewise.
        * tree-vect-loop-manip.c
        (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
        (slpeel_checking_verify_cfg_after_peeling): Likewise.
        (vect_do_peeling_for_loop_bound): Likewise.
        (vect_do_peeling_for_alignment): Likewise.
        * tree-vrp.c (supports_overflow_infinity): Likewise.
        (set_value_range): Likewise.
        * tree.c (free_lang_data_in_cgraph): Likewise.
        * value-prof.c (gimple_remove_histogram_value): Likewise.
        (free_hist): Likewise.
        * var-tracking.c (canonicalize_values_star): Likewise.
        (compute_bb_dataflow, vt_find_locations, vt_emit_notes): Likewise.

2015-10-27  Nathan Sidwell  <nathan@codesourcery.com>

        * internal-fn.def (IFN_GOACC_DIM_SIZE, IFN_GOACC_DIM_POS,
        IFN_GOACC_LOOP): New.
        * internal-fn.h (enum ifn_unique_kind): Add IFN_UNIQUE_OACC_FORK,
        IFN_UNIQUE_OACC_JOIN, IFN_UNIQUE_OACC_HEAD_MARK,
        IFN_UNIQUE_OACC_TAIL_MARK.
        (enum ifn_goacc_loop_kind): New.
        * internal-fn.c (expand_UNIQUE): Add IFN_UNIQUE_OACC_FORK,
        IFN_UNIQUE_OACC_JOIN cases.
        (expand_GOACC_DIM_SIZE, expand_GOACC_DIM_POS): New.
        (expand_GOACC_LOOP): New.
        * target-insns.def (oacc_dim_pos, oacc_dim_size): New.
        * omp-low.c: Include gimple-pretty-print.h.
        (struct oacc_loop): New.
        (enum oacc_loop_flags): New.
        (oacc_thread_numbers): New.
        (oacc_xform_loop): New.
        (new_oacc_loop_raw, new_oacc_loop_outer, new_oacc_loop,
        new_oacc_loop_routine, finish_oacc_loop, free_oacc_loop): New,
        (dump_oacc_loop_part, dump_oacc_loop, debug_oacc_loop): New,
        (oacc_loop_discover_walk, oacc_loop_sibling_nrevers,
        oacc_loop_discovery): New.
        (oacc_loop_xform_head_tail, oacc_loop_xform_loop,
        oacc_loop_process): New.
        (oacc_loop_fixed_partitions, oacc_loop_partition): New.
        (execute_oacc_device_lower): Discover & process loops.  Process
        internal fns.
        * target.def (goacc.fork_join): Change sense of hook, clarify
        documentation.
        * doc/tm.texi: Regenerated.

2015-10-27  Nathan Sidwell  <nathan@codesourcery.com>

        * target-insns.def (oacc_fork, oacc_join): Define.
        * target.def (goacc.validate_dims): Adjust doc to avoid warning.
        (goacc.fork_join): New GOACC hook.
        * targhooks.h (default_goacc_fork_join): Declare.
        * omp-low.c (default_goacc_forkjoin): New.
        * doc/tm.texi.in (TARGET_GOACC_FORK_JOIN): Add.
        * doc/tm.texi: Regenerate.

2015-10-27  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.c (oacc_init_rediction_array): New.
        (oacc_initialize_reduction_data): Initialize array.

2015-10-27  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.c (pass_oacc_device_lower::execute): Ignore errors.

2015-10-27  Nathan Sidwell  <nathan@codesourcery.com>

        * internal-fn.c (expand_UNIQUE): New.
        * internal-fn.h (enum ifn_unique_kind): New.
        * internal-fn.def (IFN_UNIQUE): New.
        * target-insns.def (unique): Define.
        * gimple.h (gimple_call_internal_unique_p): New.
        * gimple.c (gimple_call_same_target_p): Check internal fn
        uniqueness.
        * tracer.c (ignore_bb_p): Check for IFN_UNIQUE call.
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts): Likewise.
        * tree-cfg.c (gmple_call_initialize_ctrl_altering): Likewise.

2015-10-27  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/67609
        * config/i386/i386.c (ix86_cannot_change_mode_class): Disallow
        narrowing subregs on SSE and MMX registers.
        * doc/tm.texi.in (CANNOT_CHANGE_MODE_CLASS): Clarify when subregs that
        appear to be sub-words of multi-register pseudos must be rejected.
        * doc/tm.texi: Regenerate.

2015-10-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/68102
        * config/aarch64/aarch64.md (*movsi_aarch64): Check that
        operands[0] is a reg before taking its REGNO in split condition.
        (*movdi_aarch64): Likewise.

2015-10-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_output_simd_mov_immediate):
        Handle floating point inner modes properly.

2015-10-27  Alan Hayward  <alan.hayward@arm.com>

        * tree-vect-looop.c
        (vectorizable_live_operation): Change iterator.

2015-10-27  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
            Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-optimize-isl.c (get_schedule_for_node_st): New callback
          function to schedule based on isl_schedule_node.
        (get_schedule_map_st): New schedule optimizer based on
        isl_schedule_node.
        (scop_get_domains): New. Return the isl_union_set containing the
        domains of all the pbbs.
        (optimize_isl): Call the new function get_schedule_map_st for isl-0.15

2015-10-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/67215
        * calls.c (prepare_call_address): Don't handle -fno-plt here.
        * config/i386/i386.c (ix86_expand_call): Generate indirect call
        via GOT for -fno-plt.  Support indirect call via GOT for x32.
        * config/i386/predicates.md (sibcall_memory_operand): Allow
        GOT memory operand.

2015-10-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68104
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
        strided access check ...
        (vect_compute_data_refs_alignment): ... here.

2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>
            Mark Shinwell  <shinwell@codesourcery.com>
            Andrew Stubbs  <ams@codesourcery.com>
            Rich Felker <dalias@libc.org>

        * config.gcc: Handle --enable-fdpic.
        * config/sh/constraints.md (Ccl): New constraint.
        * config/sh/linux.h (SUBTARGET_LINK_EMUL_SUFFIX): Handle -mfdpic.
        * config/sh/sh-c.c (sh_cpu_cpp_builtins): Add __FDPIC__ and
        __SH_FDPIC__.
        * config/sh/sh-mem.cc (expand_block_move): Support FDPIC for calls to
        library functions.
        * config/sh/sh-protos.h (function_symbol_result): New struct.
        (function_symbol): Return function_symbol_result.
        (sh_get_fdpic_reg_initial_val, sh_load_function_descriptor): New
        declarations.
        * config/sh/sh.c (TARGET_ASM_INTEGER, sh_assemble_integer): Implement
        target hook.
        (TARGET_CANNOT_FORCE_CONST_MEM, sh_cannot_force_const_mem_p): Likewise.
        (sh_option_override): Force -fPIC if FDPIC is in effect.
        (sh_asm_output_addr_const_extra): Add UNSPEC_GOTFUNCDESC and
        UNSPEC_GOTOFFFUNCDESC cases.
        (prepare_move_operands): Use FDPIC initial GOT register for
        TLS-related GOT access; inhibit cross-section address offset constants
        for FDPIC.
        (sh_assemble_integer): New function.
        (sh_cannot_copy_insn_p): Inhibit copying insns that are FDPIC
        PC-relative call sites.
        (expand_ashiftrt): Adapt invocation of function_symbol.
        (sh_expand_prologue): Inhibit PC-relative GOT address load for FDPIC.
        (nonpic_symbol_mentioned_p): Add cases for UNSPEC_GOTFUNCDESC and
        UNSPEC_GOTOFFFUNCDESC.
        (legitimize_pic_address): Resolve function symbols to function
        descriptors for FDPIC.  Do not use GOT-relative addressing for local
        data that may be read-only on FDPIC.
        (sh_emit_storesi, sh_emit_storehi): New functions.
        (sh_trampoline_init): Generate FDPIC trampolines.
        (sh_function_ok_for_sibcall): Add TARGET_FDPIC check.
        (sh_expand_sym_label2reg): Don't assume sibcalls are local.
        (sh_output_mi_thunk): Generate FDPIC call.
        (function_symbol): Return function_symbol_result.  For SFUNC_STATIC on
        FDPIC, generate call site labels to use PC-relative addressing rather
        than GOT-relative addressing.
        (sh_conditional_register_usage): Make PIC register fixed and call used
        when FDPIC is in effect.
        (sh_legitimate_constant_p): Impose FDPIC constant constraints.
        (sh_cannot_force_const_mem_p, sh_load_function_descriptor,
        sh_get_fdpic_reg_initial_val): New functions.
        * config/sh/sh.h (SUBTARGET_ASM_SPEC, SUBTARGET_LINK_EMUL_SUFFIX):
        Handle -mfdpic.
        (FDPIC_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
        PIC_OFFSET_TABLE_REG_CALL_CLOBBERED,
        SH_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macros.
        (DRIVER_SELF_SPECS): Add SUBTARGET_DRIVER_SELF_SPECS and
        FDPIC_SELF_SPECS.
        (TRAMPOLINE_SIZE): Select trampoline size for FDPIC.
        (ASM_PREFERRED_EH_DATA_FORMAT): Add EH format constraints for FDPIC.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Handle FDPIC case.
        * config/sh/sh.md (UNSPEC_GOTFUNCDESC, UNSPEC_GOTOFFFUNCDESC): New
        constants.
        (calli_fdpic, call_valuei_fdpic, sibcalli_fdpic, sibcalli_pcrel_fdpic,
        sibcall_pcrel_fdpic, sibcall_valuei_fdpic, sibcall_valuei_pcrel_fdpic,
        sibcall_value_pcrel_fdpic, sym2GOTFUNCDESC, symGOTFUNCDESC2reg,
        sym2GOTOFFFUNCDESC, symGOTOFFFUNCDESC2reg): New patterns.
        (udivsi3_i1, udivsi3_i4, udivsi3_i4_single, udivsi3,
        *divsi_inv_call_combine, divsi3_i4, divsi3_i4_single, divsi3, ashlsi3,
        ashlsi3_d_call, ashrsi3_n, lshrsi3, lshrsi3_d_call, calli, call_valuei,
        call, call_value, sibcalli, sibcalli_pcrel, sibcall_pcrel, sibcall,
        sibcall_valuei, sibcall_valuei_pcrel, sibcall_value_pcrel,
        sibcall_value, GOTaddr2picreg, symGOT_load, symGOTOFF2reg,
        block_move_real, block_lump_real, block_move_real_i4,
        block_lump_real_i4): Add support for FDPIC calls.
        (mulsi3, ic_invalidate_line, initialize_trampoline, call_pop,
        call_value_pop): Adjust for new function_symbol signature.
        * config/sh/sh.opt (-mfdpic): New option.
        * doc/install.texi (Options specification): Document --enable-fdpic.
        * doc/invoke.texi (SH Options): Document -mfdpic.


2015-10-27  Alan Lawrence  <alan.lawrence@arm.com>

        PR tree-optimization/65963
        * tree-scalar-evolution.c (interpret_rhs_expr): Handle some
        LSHIFT_EXPRs as equivalent MULT_EXPRs.

2015-10-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/67929
        * config/arm/arm.c (vfp3_const_double_for_bits): Rewrite.
        * config/arm/constraints.md (Dp): Update callsite.
        * config/arm/predicates.md (const_double_vcvt_power_of_two): Likewise.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_load_exponent): Rename to...
        (fold_const_builtin_load_exponent): ...this and only handle
        constant arguments.
        (fold_builtin_2): Update accordingly.
        * match.pd: Add rules previously handled by fold_builtin_load_exponent.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_logb): Rename to...
        (fold_const_builtin_logb): ...this and remove STRIP_NOPS call.
        (fold_builtin_significand): Rename to...
        (fold_const_builtin_significand): ...this and remove STRIP_NOPS call.
        (fold_builtin_1): Update accordingly.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_fmin_fmax): Delete.
        (fold_builtin_2): Handle constant fmin and fmax arguments here.
        * match.pd: Add rules previously handled by fold_builtin_fmin_fmax.

2015-10-27  Evandro Menezes  <e.menezes@samsung.com>

        * config/aarch64/aarch64-protos.h (cpu_addrcost_table): Split member
        for register extension into sign and zero register extension.
        * config/aarch64/aarch64.c (generic_addrcost_table): Infer values
        for sign and zero register extension.
        (cortexa57_addrcost_table): Likewise.
        (xgene1_addrcost_table): Likewise.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * fold-const.c (fold_minmax): Delete.
        (fold_binary_loc): Don't call it.
        * match.pd: Add rules previously handled by fold_minmax.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_fma): Remove constant handling.
        (fold_builtin_3): Handle constant fma arguments here.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_fabs): Remove constant handling.
        (fold_builtin_abs): Likewise.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_copysign): Delete.
        (fold_builtin_2): Handle constant copysign arguments here.
        * match.pd: Add rules previously handled by fold_builtin_copysign.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_signbit): Delete.
        (fold_builtin_2): Handle constant signbit arguments here.
        * match.pd: Add rules previously handled by fold_builtin_signbit.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * match.pd: Handle sqrt(x) cmp 0 specially.

2015-10-27  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-generic.c (expand_vector_operations_1): Check
        optab type before using it.

2015-10-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-protos.h
        (struct tune_params): Add autoprefetcher_model field.
        * config/aarch64/aarch64.c: Include params.h
        (generic_tunings): Specify autoprefetcher_model value.
        (cortexa53_tunings): Likewise.
        (cortexa57_tunings): Likewise.
        (cortexa72_tunings): Likewise.
        (thunderx_tunings): Likewise.
        (xgene1_tunings): Likewise.
        (aarch64_first_cycle_multipass_dfa_lookahead_guard): New function.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
        (aarch64_override_options_internal): Set
        PARAM_SCHED_AUTOPREF_QUEUE_DEPTH param.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_exponent): Delete.
        (fold_builtin_2): Handle constant expN arguments here.
        * match.pd: Fold expN(logN(x)) -> x.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_powi): Delete.
        (fold_builtin_2): Handle constant powi arguments here.
        * match.pd: Add rules previously handled by fold_builtin_powi.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_pow): Delete in favor of...
        (fold_const_builtin_pow): ...this new function.  Only handle constant
        arguments.
        (fold_builtin_2): Update accordingly.
        * match.pd: Add rules previously handled by fold_builtin_pow.

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_hypot): Delete.
        (fold_builtin_2): Handle constant hypot arguments here.
        * match.pd: Fold hypot(x, 0) and hypot(0, x) to x.  Canonicalize
        hypot(x, x) to fabs(x)*sqrt(2).

2015-10-27  Richard Sandiford  <richard.sandiford@arm.com>

        * gimple-match-head.c (maybe_push_res_to_seq): Use create_tmp_reg
        instead of make_ssa_name if not yet in SSA form.

2015-10-27  Richard Biener  <rguenther@suse.de>

        * cfg.c (free_edge): Add function argument and use it instead of cfun.
        (clear_edges): Likewise.
        * cfg.h (clear_edges): Adjust prototype.
        * cfgexpand.c (pass_expand::execute): Adjust.
        * cfgloop.c (release_recorded_exits): Add function argument and use
        it instead of cfun.
        * cfgloop.h (release_recorded_exits): Adjust prototype.
        (loops_state_satisfies_p): Add overload with function argument.
        (loops_state_set): Likewise.
        (loops_state_clear): Likewise.
        (struct loop_iterator): Add function argument to constructor
        and iterator and use it instead of cfun.
        (FOR_EACH_LOOP_FN): New macro.
        (loop_optimizer_finalize): Add overload with function argument.
        * loop-init.c (loop_optimizer_init): Adjust.
        (fix_loop_structure): Likewise.
        (loop_optimizer_finaliz): Add function argument and use it
        instead of cfun.
        * tree-cfg.c (delete_tree_cfg_annotations): Likewise.
        * tree-cfg.h (delete_tree_cfg_annotations): Adjust prototype.
        * cgraph.c (release_function_body): Do not push/pop cfun.
        * final.c (rest_of_clean_state): Adjust.
        * graphite.c (graphite_finalize): Likewise.
        * tree-ssa-copy.c (fini_copy_prop): Likewise.
        * tree-ssa-dce.c (perform_tree_ssa_dce): Likewise.
        * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Likewise.
        (tree_unroll_loops_completely): Likewise.
        (pass_complete_unrolli::execute): Likewise.
        * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates):
        Add function argument and use it instead of cfun.
        * tree-ssa-loop-niter.h (free_numbers_of_iterations_estimates):
        Adjust prototype.
        * tree-ssa-loop.c (tree_ssa_loop_done): Adjust.
        * tree-ssa.c (delete_tree_ssa): Add function argument and use it
        instead of cfun.
        * tree-ssa.h (delete_tree_ssa): Adjust prototype.
        * tree-ssanames.c (fini_ssanames): Add function argument and use it
        instead of cfun.
        * tree-ssanames.c (fini_ssanames): Adjust prototype.
        * tree-vrp.c (execute_vrp): Adjust.
        * value-prof.c (free_histograms): Add function argument and use it
        instead of cfun.
        * value-prof.h (free_histograms): Adjust prototype.

2015-10-27  Thomas Schwinge  <thomas@codesourcery.com>

        * tree.h (OACC_PARALLEL_BODY, OACC_PARALLEL_CLAUSES)
        (OACC_KERNELS_BODY, OACC_KERNELS_CLAUSES, OACC_KERNELS_COMBINED)
        (OACC_PARALLEL_COMBINED): Don't define macros.  Adjust all users.

2015-10-27  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add and use var
        field_type.

2015-10-27  Bin Cheng  <bin.cheng@arm.com>

        * loop-invariant.c (struct def): New field can_prop_to_addr_uses.
        (inv_can_prop_to_addr_use): New function.
        (record_use): Call can_prop_to_addr_uses, set the new field.
        (get_inv_cost): Count cost if inv can't be propagated into its
        address uses.

2015-10-26  Doug Evans  <dje@google.com>

        * config/linux.h (INCLUDE_DEFAULTS): Add INCLUDE_DEFAULTS_MUSL_LOCAL.

2015-10-26  Eric Botcazou  <ebotcazou@adacore.com>

        * match.pd (fold_widened_comparison): Apply simplifications to all
        integral types.

2015-10-26  Simon Dardis  <simon.dardis@imgtec.com>

        * target.def (TARGET_NO_SPECULATION_IN_DELAY_SLOTS_P): New hook.
        * doc/tm.texi.in (TARGET_NO_SPECULATION_IN_DELAY_SLOTS_P): Document.
        * doc/tm.texi: Regenerated.
        * reorg.c (dbr_schedule): Use new hook.
        * config/mips/mips.c (mips_no_speculation_in_delay_slots_p): New.

2015-10-26  Jeff Law  <law@redhat.com>

        PR tree-optimization/68013
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Make sure the first block in the path is in VISITED_BBs.

2015-10-26  Richard Biener  <rguenther@suse.de>
        Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR middle-end/67443
        * alias.c (ao_ref_from_mem): Remove promoted subreg handling.
        Properly prune ref->ref for accesses outside of ref.

2015-10-26  Richard Sandiford  <richard.sandiford@arm.com>

        * gimple-fold.c (replace_stmt_with_simplification): Don't allow
        new statements to be inserted if inplace.  Allow calls to have
        nonempty sequences.

2015-10-26  Richard Biener  <rguenther@suse.de>

        * tree-object-size.c: Remove builtins.h include, include tree-cfg.h.
        (do_valueize): New function.
        (pass_object_sizes::execute): Use gimple_fold_stmt_to_constant and
        replace_uses_by.
        * tree-ssa-threadedge.c: Remove builtins.h include, include
        gimple-fold.h
        (fold_assignment_stmt): Remove.
        (threadedge_valueize): New function.
        (record_temporary_equivalences_from_stmts): Use
        gimple_fold_stmt_to_constant_1, note additional cleanup
        opportunities.

2015-10-26  Richard Biener  <rguenther@suse.de>

        * match.pd ((A & ~B) - (A & B) -> (A ^ B) - B): Add missing :c.
        ( (X & ~Y) | (~X & Y) -> X ^ Y): Remove redundant :c.

2015-10-26  Alan Hayward <alan.hayward@arm.com>

        * tree-vect-loop.c (vect_create_epilog_for_reduction): Fix
        VEC_COND_EXPR types.

2015-10-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * auto-inc-dec.c (insert_move_insn_before): Delete.
        (attempt_change): Remember to cost the simple move in the
        FORM_PRE_ADD and FORM_POST_ADD cases.

2015-10-26  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/68091
        * config/sh/sh.c (sh_vector_mode_supported_p): Use
        TARGET_SHMEDIA_FPU instead of TARGET_FPU_ANY.

2015-10-26  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (make_restrict_var_constraints): New function,
        factored out of ...
        (intra_create_variable_infos): ... here.

2015-10-26  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (intra_create_variable_infos): Add
        restrict_pointer_p and recursive_restrict_p variables.

2015-10-26  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (intra_create_variable_infos): Inline
        get_vi_for_tree call.

2015-10-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR middle-end/67989
        * optabs.c (expand_atomic_compare_and_swap): Handle case when
        ptarget_oval or ptarget_bool are const0_rtx.

2015-10-26  Christian Bruel  <christian.bruel@st.com>

        * function.h (MINIMUM_METHOD_BOUNDARY): New macro.
        * cp/decl.c (grokfndecl): Set DECL_ALIGN with MINIMUM_METHOD_BOUNDARY.
        * cp/method.c (implicitly_declare_fn): Likewise.
        * cp/lambda.c (maybe_add_lambda_conv_op): Likewise. Remove VBIT setting.
        * java/class.c (add_method_1): Likewise.

2015-10-26  Richard Biener  <rguenther@suse.de>

        * alloc-pool.h (base_pool_allocator): Use placement new.
        (base_pool_allocator::remove): Likewise.  Compute size outside of
        flag_checking.

2015-10-26  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (do_real_to_int_conversion): New function.
        (fold_fixed_mathfn, fold_builtin_int_roundingfn): Delete.
        (fold_builtin_1): Handle constant {i,l,ll}{ceil,floor,round}{f,,l}
        arguments here.
        * match.pd: Add rules previously handled by fold_fixed_mathfn
        and fold_builtin_int_roundingfn.

2015-10-26  Richard Sandiford  <richard.sandiford@arm.com>

        * match.pd: Use macros to define built-in operator lists.

2015-10-20  Richard Sandiford  <richard.sandiford@arm.com>
            Richard Biener  <rguenther@suse.de>

        * genmatch.c (dt_simplify::gen): Skip captures that are
        part of the result.
        (parser::parse_expr): Allow captures in results too.
        * builtins.c (fold_builtin_cexp): Delete.
        (fold_builtin_1): Handle constant cexp arguments here.
        * match.pd: Fold cexp(x+yi) to exp(x) * cexpi(y).

2015-10-26  Mikhail Maltsev  <maltsevm@gmail.com>

        * alloc-pool.h (base_pool_allocator::initialize, ::allocate): Remove
        conditional compilation.
        (base_pool_allocator::remove): Use flag_checking.

2015-10-25  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/som.h (EH_FRAME_THROUGH_COLLECT2): Define.

        PR middle-end/68079
        * dojump.c (do_compare_and_jump): Canonicalize both function and
        method types.

2015-10-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/68084
        * config/i386/i386.c (ix86_md_asm_adjust) [case 'a']: Use NE code
        for =@ccae.

2015-10-23  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/pr67600
        * ipa-polymorphic-call.c
        (ipa_polymorphic_call_context::get_dynamic_type): Do not confuse
        instance offset with offset of outer type.

2015-10-23  Jan Hubicka  <hubicka@ucw.cz>

        * fold-const.c (operand_equal_p): Handle VIEW_CONVERT_EXPR.

2015-10-23  Caroline Tice  <cmtice@google.com>

        (from Richard Biener
        * tree.c (int_cst_hasher::hash):  Replace XOR with more efficient
        call to iterative_hash_host_wide_int.

2015-10-23  David Edelsohn  <dje.gcc@gmail.com>

        * config.gcc (powerpc-ibm-aix[6789]) [default_use_cxa_atexit]:
        Define as yes.

2015-10-23  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-generic.c (expand_vector_operations_1): Check
        optab exists before use it.

2015-10-23  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-generic.c (expand_vector_condition): Avoid
        uninitialized variable warning.

2015-10-23  Jeff Law  <law@redhat.com>

        * passes.c (execute_function_todo): Do not call flush_ssaname_freelist
        here.  Instead...
        (execute_todo): Call it here.
        * tree-ssanames.c (make_ssa_name_fn): Unconditionally gather reuse
        statistics
        (pass_release_ssa_names::execute): Do not call flusH_ssaname_freelist.

2015-10-23  Gregor Richards  <gregor.richards@uwaterloo.ca>
            Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config.gcc (enable_secureplt): Add *-linux*-musl*.

2015-10-23  Jeff Law  <law@redhat.com>

        PR tree-optimization/67830
        * match.pd ((bit_and (plus/minus (convert @0) (convert @1)) mask)):
        Explicitly verify the mask has no bits outside the type of
        the innermost operands.

2015-10-23  Gregor Richards  <gregor.richards@uwaterloo.ca>
            Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/rs6000/linux64.h (MUSL_DYNAMIC_LINKER32): Define.
        (MUSL_DYNAMIC_LINKER64): Define.
        (GNU_USER_DYNAMIC_LINKER32): Update.
        (GNU_USER_DYNAMIC_LINKER64): Update.
        (CHOOSE_DYNAMIC_LINKER): Update.

        * config/rs6000/sysv4.h (GNU_USER_DYNAMIC_LINKER): Update.
        (MUSL_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER_E,)
        (INCLUDE_DEFAULTS_MUSL_GPP, INCLUDE_DEFAULTS_MUSL_LOCAL,)
        (INCLUDE_DEFAULTS_MUSL_PREFIX, INCLUDE_DEFAULTS_MUSL_CROSS,)
        (INCLUDE_DEFAULTS_MUSL_TOOL, INCLUDE_DEFAULTS_MUSL_NATIVE): Define.
        (CHOOSE_DYNAMIC_LINKER): Update.
        (INCLUDE_DEFAULTS): Redefine.

        * config/rs6000/sysv4le.h (MUSL_DYNAMIC_LINKER_E): Define.

2015-10-23  Jan Hubicka  <hubicka@ucw.cz>

        * fold-const.c (operand_equal_p): Do not compare TYPE_MODE when
        comparing addresses.

2015-10-23  Jan Hubicka  <hubicka@ucw.cz>

        * fold-const.c (operand_equal_p): Handle matching of vector
        constructors.

2015-10-23  David Edelsohn  <dje.gcc@gmail.com>

        * doc/install.texi (*-ibm-aix*): Additional information for AIX 7.1.

2015-10-23  Steve Ellcey  <sellcey@imgtec.com>
            Andrew Pinski  <apinski@cavium.com>

        PR rtl-optimization/67736
        * combine.c (simplify_comparison): Use gen_lowpart_or_truncate instead
        of gen_lowpart.

2015-10-23  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR middle-end/68066
        * tree.c (build_truth_vector_type): Support BLK mode
        returned for boolean vector.

2015-10-23  Alan Hayward <alan.hayward@arm.com>

        PR tree-optimization/65947
        * tree-vect-loop.c
        (vect_is_simple_reduction_1): Find condition reductions.
        (vect_model_reduction_cost): Add condition reduction costs.
        (get_initial_def_for_reduction): Add condition reduction initial var.
        (vect_create_epilog_for_reduction): Add condition reduction epilog.
        (vectorizable_reduction): Condition reduction support.
        * tree-vect-stmts.c (vectorizable_condition): Add vect reduction arg
        * doc/sourcebuild.texi (Vector-specific attributes): Document
        vect_max_reduc

2015-10-23  Richard Biener  <rguenther@suse.de>

        * Makefile.in (build/genmatch.o): Properly depend on is-a.h, tree.def
        and builtins.def.

2015-10-23  Richard Biener  <rguenther@suse.de>
            Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * fold-const.c (fold_binary_loc) : Move Fold (A & ~B) - (A & B)
        into (A ^ B) - B to match.pd
        Move (X & ~Y) | (~X & Y) is X ^ Y to match.pd.

        * match.pd (minus (bit_and:cs @0 (bit_not @1)) (bit_and:s @0 @1)):
        New simplifier.
        (minus (bit_and:s @0 INTEGER_CST@2) (bit_and:s @0 INTEGER_CST@1)):
        New simplifier.
        (minus (bit_and:s @0 @1) (bit_and:cs @0 (bit_not @1))):
        New simplifier.
        (bit_ior:c (bit_and:c @0 (bit_not @1)) (bit_and:c (bit_not @0) @1)):
        New simplifier.
        (bit_ior:c (bit_and @0 INTEGER_CST@2) (bit_and (bit_not @0)
        INTEGER_CST@1)): New simplifier.

2015-10-23  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (integer_valued_real_p): Move to fold-const.c.
        (fold_trunc_transparent_mathfn, fold_builtin_trunc, fold_builtin_floor)
        (fold_builtin_ceil, fold_builtin_round): Delete.
        (fold_builtin_1): Handle constant trunc, floor, ceil and round
        arguments here.
        * convert.c (convert_to_real): Remove narrowing of rounding
        functions.
        * fold-const.h (integer_valued_real_unary_p)
        (integer_valued_real_binary_p, integer_valued_real_call_p)
        (integer_valued_real_single_p, integer_valued_real_p): Declare.
        * fold-const.c (tree_single_nonnegative_warnv_p): Move
        name_registered_for_update_p check to SSA_NAME case statement.
        Don't call tree_simple_nonnegative_warnv_p for SSA names.
        (integer_valued_real_unary_p, integer_valued_real_binary_p)
        (integer_valued_real_call_p, integer_valued_real_single_p)
        (integer_valued_real_invalid_p): New functions.
        (integer_valued_real_p): Move from fold-const.c and rework
        to call the functions above.  Handle SSA names.
        * gimple-fold.h (gimple_stmt_integer_valued_real_p): Declare.
        * gimple-fold.c (gimple_assign_integer_valued_real_p)
        (gimple_call_integer_valued_real_p, gimple_phi_integer_valued_real_p)
        (gimple_stmt_integer_valued_real_p): New functions.
        * match.pd: Fold f(f(x))->f(x) for fp->fp rounding functions f.
        Fold f(x)->x for the same f if x is known to be integer-valued.
        Fold f(extend(x))->extend(f'(x)) if doing so doesn't affect
        the result.  Canonicalize floor(x) as trunc(x) if x is
        nonnegative.

2015-10-23  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (intra_create_variable_infos): Use
        make_constraint_from.

2015-10-23  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-structalias.c (create_variable_info_for_1): Add missing
        setting of is_full_var in case of a single field.

2015-10-22  Martin Sebor  <msebor@redhat.com>

        PR driver/68043
        * config/i386/i386.opt: Add missing periods to the ends of sentences.
        * config/msp430/msp430.opt: Same.

2015-10-21  David Wohlferd  <dw@LimeGreenSocks.com>

        * doc/extend.exp (Global Register Variables): Rewrite.

2015-10-22  Jeff Law  <law@redhat.com>

        * genattrtab.c (main): If we do not have any annul-true or annul-false
        slots, then write out a dummy eligible_for_annul_true or
        eligible_for_annul_false as needed.

2015-10-22  Nick Clifton  <nickc@redhat.com>

        * config/msp430/msp430.opt: Add -msilicon-errata and
        -msilicon-errata-warn.
        * config/msp430/msp430.h (ASM_SPEC): Pass new options on to
        assembler.
        * doc/invoke.texi: Document new options.

2015-10-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/58497
        * tree-vect-generic.c (ssa_uniform_vector_p): New helper.
        (expand_vector_operations_1): Use it.  Lower operations on
        all uniform vectors to scalar operations if the HW supports it.

2015-10-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/19049
        PR tree-optimization/65962
        * tree-vect-data-refs.c (vect_analyze_group_access_1): Fall back
        to strided accesses if single-element interleaving doesn't work.

2015-10-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/68046
        PR middle-end/61893
        * optabs.c (emit_libcall_block_1): Allow a NULL_RTX equiv.
        (expand_binop): For -ftrapv optabs do not record an REG_EQUAL note.
        (expand_unop): Likewise.

2015-10-22  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_addr_of_array_ref_difference): Properly
        convert operands before folding a MINUS_EXPR.
        (fold_binary_loc): Move simplification of MINUS_EXPR on
        converted POINTER_PLUS_EXPRs ...
        * match.pd: ... here.

2015-10-22  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_tan): Delete.
        (fold_builtin_1): Handle constant tan arguments here.
        * match.pd: Simplify (tan (atan x)) to x.

2015-10-22  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_cproj): Delete.
        (fold_builtin_1): Handle constant arguments here.
        (build_complex_cproj): Move and rename to...
        * tree.c: (build_complex_inf): ...this.
        * tree.h (build_complex_inf): Declare.
        * match.pd: Fold cproj(x)->x if x has no infinity.
        Use build_complex_inf for existing cproj rules.

2015-10-22  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/68015
        * config/s390/s390.md (mov<mode>cc): Emit compare only if we don't
        already have a comparison result.

2015-10-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/63304
        * config/aarch64/aarch64.c (aarch64_nopcrelative_literal_loads): New.
        (aarch64_expand_mov_immediate): Use aarch64_nopcrelative_literal_loads.
        (aarch64_classify_address): Likewise.
        (aarch64_secondary_reload): Likewise.
        (aarch64_override_options_after_change_1): Adjust.
        * config/aarch64/aarch64.md (aarch64_reload_movcp<GPF_TF:mode><P:mode>):
        Use aarch64_nopcrelative_literal_loads.
        (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
        * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
        Declare.

2015-10-21  Martin Sebor  <msebor@redhat.com>

        PR driver/68043
        * opts.c (undocumented_msg, use_diagnosed_msg): New globals.
        (print_filtered_help): Reference aliased option's name and encourage
        readers to use it in preference to the alias if the former is not
        documented.  Mention when using an option is diagnosed.
        * gcc.c (display_help): End each sentence with a period.

        * common.opt: End each sentence that describes an option with
        a period.
        * config/aarch64/aarch64.opt: Same.
        * config/alpha/alpha.opt: Same.
        * config/arc/arc.opt: Same.
        * config/arm/arm.opt: Same.
        * config/avr/avr.opt: Same.
        * config/bfin/bfin.opt: Same.
        * config/c6x/c6x.opt: Same.
        * config/cr16/cr16.opt: Same.
        * config/cris/cris.opt: Same.
        * config/cris/linux.opt: Same.
        * config/darwin.opt: Same.
        * config/epiphany/epiphany.opt: Same.
        * config/fr30/fr30.opt: Same.
        * config/frv/frv.opt: Same.
        * config/ft32/ft32.opt: Same.
        * config/g.opt: Same.
        * config/h8300/h8300.opt: Same.
        * config/i386/cygming.opt: Same.
        * config/i386/djgpp.opt: Same.
        * config/i386/i386.opt: Same.
        * config/i386/interix.opt: Same.
        * config/i386/mingw-w64.opt: Same.
        * config/i386/mingw.opt: Same.
        * config/ia64/ia64.opt: Same.
        * config/ia64/ilp32.opt: Same.
        * config/iq2000/iq2000.opt: Same.
        * config/linux.opt: Same.
        * config/lm32/lm32.opt: Same.
        * config/lynx.opt: Same.
        * config/m32c/m32c.opt: Same.
        * config/m32r/m32r.opt: Same.
        * config/m68k/ieee.opt: Same.
        * config/m68k/m68k.opt: Same.
        * config/mcore/mcore.opt: Same.
        * config/mep/mep.opt: Same.
        * config/microblaze/microblaze.opt: Same.
        * config/mips/mips.opt: Same.
        * config/mmix/mmix.opt: Same.
        * config/mn10300/mn10300.opt: Same.
        * config/moxie/moxie.opt: Same.
        * config/msp430/msp430.opt: Same.
        * config/nios2/elf.opt: Same.
        * config/nios2/nios2.opt: Same.
        * config/nvptx/nvptx.opt: Same.
        * config/pa/pa-hpux.opt: Same.
        * config/pa/pa-hpux1010.opt: Same.
        * config/pa/pa-hpux1111.opt: Same.
        * config/pa/pa-hpux1131.opt: Same.
        * config/pa/pa.opt: Same.
        * config/pa/pa64-hpux.opt: Same.
        * config/pdp11/pdp11.opt: Same.
        * config/rl78/rl78.opt: Same.
        * config/rs6000/476.opt: Same.
        * config/rs6000/aix64.opt: Same.
        * config/rs6000/darwin.opt: Same.
        * config/rs6000/linux64.opt: Same.
        * config/rs6000/rs6000.opt: Same.
        * config/rs6000/sysv4.opt: Same.
        * config/s390/s390.opt: Same.
        * config/s390/tpf.opt: Same.
        * config/sh/sh.opt: Same.
        * config/sol2.opt: Same.
        * config/sparc/long-double-switch.opt: Same.
        * config/sparc/sparc.opt: Same.
        * config/spu/spu.opt: Same.
        * config/stormy16/stormy16.opt: Same.
        * config/tilegx/tilegx.opt: Same.
        * config/tilepro/tilepro.opt: Same.
        * config/v850/v850.opt: Same.
        * config/vax/vax.opt: Same.
        * config/visium/visium.opt: Same.
        * config/vms/vms.opt: Same.
        * config/vxworks.opt: Same.
        * config/xtensa/xtensa.opt: Same.

2015-10-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (parameter_index_in_region): Update call to
        invariant_in_sese_p_rec.
        * graphite-sese-to-poly.c (extract_affine): Same.
        * sese.c (invariant_in_sese_p_rec): Pass in an extra
        parameter has_vdefs.
        (scalar_evolution_in_region): Return chrec_dont_know when the scalar
        variable depends on virtual definitions in the current region.
        * sese.h (invariant_in_sese_p_rec): Update declaration.

2015-10-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (build_scops): Do not handle scops
        with more than PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP arrays.
        * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP): New.

2015-10-21  Mikhail Maltsev  <maltsevm@gmail.com>

        * config.in: Regenerate.
        * configure: Regenerate.
        * configure.ac (CHECKING_P): Define.
        * system.h: Use CHECKING_P.

2015-10-11  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/67056
        * ipa-polymorphic-call.c (possible_placement_new): If cur_offset
        is negative we don't know the type.
        (check_stmt_for_type_change): Skip constructors of non-polymorphic
        types as those won't help devirutalization.

2015-10-11  Jan Hubicka  <hubicka@ucw.cz>

        * fold-const.c (operand_equal_p): Add code matching empty constructors.

2015-10-21  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.def (CEIL_DIV_EXPR, FLOOR_DIV_EXPR, ROUND_DIV_EXPR): Tweak
        comments.
        (TRUNC_MOD_EXPR, CEIL_MOD_EXPR, FLOOR_MOD_EXPR, ROUND_MOD_EXPR):
        Add comments on sign of the result.
        * fold-const.c (tree_binary_nonnegative_warnv_p) <FLOOR_MOD_EXPR>:
        Recurse on operand #1 instead of operand #0.
        <CEIL_MOD_EXPR>: Do not recurse.
        <ROUND_MOD_EXPR>: Likewise.

2015-10-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * cfgrtl.c (pass_free_cfg::execute): Adjust.
        * final.c (dbr_sequence_length): Always define.
        (shorten_branches): Adjust.
        * genattr-common.c (main): Always define DELAY_SLOTS.
        * genattr.c (main): Unconditionally declare functions and define
        macros related to delay slots.
        * genattrtab.c (write_eligible_delay): Adjust.
        (main): Always write out delay slot functions.
        * opts.c (default_options_table): Adjust.
        * reorg.c (redirect_with_delay_slots_safe_p): Likewise.
        (redirect_with_delay_list_safe_p): Likewise.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        (make_return_insns): Likewise.
        (dbr_schedule): Likewise.
        (rest_of_handle_delay_slots): Likewise.
        (pass_delay_slots::gate): Likewise.
        * toplev.c (process_options): Likewise.

2015-10-21  Richard Henderson  <rth@redhat.com>

        * targhooks.c (default_addr_space_pointer_mode): Remove check
        for generic address space.
        (default_addr_space_address_mode): Likewise.
        (default_addr_space_valid_pointer_mode): Likewise.
        (default_addr_space_legitimate_address_p): Likewise.
        (default_addr_space_legitimize_address): Likewise.
        * target.def (addr_space.pointer_mode): Update documentation
        of default behavior.
        (addr_space.address_mode): Likewise.
        * tm.texi: Update.

        * expr.c (expand_expr_real_2): Use convert_modes on disjoint
        address spaces.

2015-10-21  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_cabs): Delete.
        (fold_builtin_1): Update accordingly.  Handle constant arguments here.
        * match.pd: Add rules previously handled by fold_builtin_cabs.

2015-10-21  Richard Sandiford  <richard.sandiford@arm.com>

        * fold-const.h (fold_strip_sign_ops): Delete.
        * fold-const.c (fold_strip_sign_ops): Likewise.
        (fold_unary_loc, fold_binary_loc): Remove calls to it.
        * builtins.c (fold_builtin_cos, fold_builtin_cosh)
        (fold_builtin_ccos): Delete.
        (fold_builtin_pow): Don't call fold_strip_sign_ops.
        (fold_builtin_hypot, fold_builtin_copysign): Likewise.
        Remove fndecl argument.
        (fold_builtin_1): Update calls accordingly.  Handle constant
        cos, cosh, ccos and ccosh here.

2015-10-21  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/invoke.texi (-fdump-tree-backprop, -fssa-backprop): Document.
        * Makefile.in (OBJS): Add gimple-ssa-backprop.o.
        * common.opt (fssa-backprop): New option.
        * fold-const.h (negate_mathfn_p): Declare.
        * fold-const.c (negate_mathfn_p): Make public.
        * timevar.def (TV_TREE_BACKPROP): New.
        * tree-pass.h (make_pass_backprop): Declare.
        * passes.def (pass_backprop): Add.
        * gimple-ssa-backprop.c: New file.

2015-10-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard):
        Do not call create_empty_if_region_on_edge when cond_expr is true.
        (translate_isl_ast_node_for): Check whether a guard has been generated.

2015-10-21  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-poly.h (struct dr_info): Added invalid_alias_set number.
        (operator=): Removed.
        (dr_info): Make alias_set number the last argument with default
        value of invalid_alias_set.
        * graphite-sese-to-poly.c (build_scop_drs): Update constructor
        of dr_info.
        (rewrite_reductions_out_of_ssa): Iterate only through the
        basic blocks which are inside region.
        (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
        * sese.h (struct sese_l): Removed assignment operator.
        (split_region_for_bb): Removed dead code.

2015-10-21  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-poly.h (struct dr_info): Removed conversion constructor.
        (struct scop): Renamed scop::region to scop::scop_info
        (scop_set_region): Same.
        (SCOP_REGION): Removed
        (SCOP_CONTEXT): Removed.
        (POLY_SCOP_P): Removed.
        * graphite-isl-ast-to-gimple.c (translate_isl_ast_node_user):
        Rename scop->region to scop->scop_info.
        (add_parameters_to_ivs_params): Same.
        (graphite_regenerate_ast_isl): Same.
        * graphite-poly.c (new_scop): Same.
        (free_scop): Same.
        (print_scop_params): Same.
        * graphite-scop-detection.c (scop_detection::remove_subscops): Same.
        (scop_detection::remove_intersecting_scops): Use pointer to sese_l.
        (dot_all_scops_1): Rename scop->region to scop->scop_info.
        (scop_detection::nb_pbbs_in_loops): Same.
        (find_scop_parameters): Same.
        (try_generate_gimple_bb): Same.
        (gather_bbs::before_dom_children): Same.
        (gather_bbs::after_dom_children): Same.
        (build_scops): Same.
        * graphite-sese-to-poly.c (build_scop_scattering): Same.
        (extract_affine_chrec): Same.
        (extract_affine): Same.
        (set_scop_parameter_dim): Same.
        (build_loop_iteration_domains): Same.
        (create_pw_aff_from_tree): Same.
        (add_param_constraints): Same.
        (build_scop_iteration_domain): Same.
        (build_scop_drs): Same.
        (analyze_drs_in_stmts): Same.
        (insert_out_of_ssa_copy_on_edge): Same.
        (rewrite_close_phi_out_of_ssa):Same.
        (rewrite_reductions_out_of_ssa):Same.
        (handle_scalar_deps_crossing_scop_limits):Same.
        (rewrite_cross_bb_scalar_deps):Same.
        (rewrite_cross_bb_scalar_deps_out_of_ssa):Same.
        (build_poly_scop):Same.
        (build_alias_set): Use pointer to dr_info.
        * graphite.c (print_graphite_scop_statistics):
        (graphite_transform_loops):
        * sese.h (struct sese_l): Remove conversion constructor.

2015-10-11  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/67966
        * tree.c (verify_type): Verify that TYPE_MODE match
        between TYPE_CANONICAL and type.
        * expr.c (store_expr_with_bounds): Revert my previous change.
        * expmed.c (store_bit_field_1): Revert prevoius change.
        * gimple-expr.c (useless_type_conversion_p): Require TYPE_MODE
        to match for all types.

2015-10-21  Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.c (check_omp_nesting_restrictions): Check OpenACC loop
        nesting.

2015-10-21  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * doc/tm.texi: Regenerated.
        * doc/tm.texi.in (TARGET_VECTORIZE_GET_MASK_MODE): New.
        * stor-layout.c (layout_type): Use mode to get vector mask size.
        * target.def (get_mask_mode): New.
        * targhooks.c (default_get_mask_mode): New.
        * targhooks.h (default_get_mask_mode): New.
        * tree-vect-stmts.c (get_same_sized_vectype): Add special case
        for boolean vector.
        * tree.c (MAX_BOOL_CACHED_PREC): New.
        (nonstandard_boolean_type_cache): New.
        (build_nonstandard_boolean_type): New.
        (make_vector_type): Vector mask has no canonical type.
        (build_truth_vector_type): New.
        (build_same_sized_truth_vector_type): New.
        (truth_type_for): Support vector masks.
        * tree.h (VECTOR_BOOLEAN_TYPE_P): New.
        (build_truth_vector_type): New.
        (build_same_sized_truth_vector_type): New.
        (build_nonstandard_boolean_type): New.
        * tree-cfg.c (verify_gimple_comparison) Require boolean
        vector type for vector comparison.
        (verify_gimple_assign_ternary): Likewise.
        * optabs.c (expand_vec_cond_expr): Accept boolean vector as
        condition operand.
        * tree-vect-stmts.c (vectorizable_condition): Use boolean
        vector type for vector comparison.
        * tree-vect-generic.c (elem_op_func): Add new operand to hold
        vector type.
        (do_unop): Adjust to modified function type.
        (do_binop): Likewise.
        (do_plus_minus): Likewise.
        (do_negate); Likewise.
        (expand_vector_piecewise): Likewise.
        (do_cond): Likewise.
        (do_compare): Use comparison instead of condition.
        (expand_vector_divmod): Use boolean vector type for comparison.
        (expand_vector_operations_1): Skip scalar mask operations.

2015-10-21  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * omp-low.c (simd_clone_create): Set in_other_partition
        for created clones.

2015-10-21  David Wohlferd  <dw@LimeGreenSocks.com>

        * doc/extend.exp (Local Register Variables): Rewrite.

2015-10-21  Richard Sandiford  <richard.sandiford@arm.com>

        * match.pd: Add rules to simplify ccos, ccosh, hypot, copysign
        and x*x in cases where the operands are sign ops.  Extend these
        rules to handle copysign as a sign op (including for cos, cosh
        and pow, which already treated negate and abs as sign ops).

2015-10-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/68018
        * config/i386/i386.c (ix86_compute_frame_layout): Realign the stack
        for 64-bit MS_ABI targets also when default incoming stack boundary
        is overriden.

2015-10-21  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.c (cond_stmts_equal_p): Compare two GIMPLE
        cond stmts, enhanced and split out from ...
        (vn_phi_eq): ... here.

2015-10-21  Richard Biener  <rguenther@suse.de>

        PR middle-end/68031
        * fold-const.c: Include tree-ssa-operands.h and tree-into-ssa.h.
        (tree_ssa_name_nonnegative_warnv_p): Fold into ...
        (tree_single_nonnegative_warnv_p): ... here.  For SSA names
        make sure they are not registered for update.

2015-10-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68026
        * tree-ssa-ccp.c (get_value_for_expr): Zero-extend mask for
        unsigned VARYING values.

2015-10-21  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>

        * asan.c (asan_emit_stack_protection): Don't pass local stack to
        asan_stack_malloc_[n] anymore. Check if asan_stack_malloc_[n] returned
        NULL and use local stack than.
        (asan_finish_file): Insert __asan_version_mismatch_check_v[n] call
        in addition to __asan_init.
        * sanitizer.def (BUILT_IN_ASAN_INIT): Rename to __asan_init.
        (BUILT_IN_ASAN_VERSION_MISMATCH_CHECK): Add new builtin call.
        * asan.h (asan_intercepted_p): Handle new string builtins.
        * ubsan.c (ubsan_use_new_style_p): New function.
        (ubsan_instrument_float_cast): If location is unknown, assign
        input_location to loc. Propagate loc to ubsan_create_data if
        ubsan_use_new_style_p returned true.

2015-10-21  Jeff Law  <law@redhat.com>

        * Makefile.in (OBJS): Remove sched-vis.c
        * sched-vis.c: Removed.  Code moved into...
        * print-rtl.c: Here.  Include cfg.h, pretty-print.h and print-rtl.h.
        * rtl.h: Remove prototypes for functions now living in print-rtl.c
        * print-rtl.h Add prototypes for new functions in print-rtl.c.
        * auto-inc-dec.c: Include print-rtl.h
        * cfgrtl.c, combine.c, final.c haifa-sched.c: Likewise.
        * ira.c, lra-constraints.c, lra.c, sel-sched-dump.c: Likewise.

        * varasm.c (handle_vtv_comdat_section): Mark 2nd parameter with
        ATTRIBUTE_UNUSED.

2015-10-21  Richard Biener  <rguenther@suse.de>
            Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * fold-const.c (fold_binary_loc) : Move (-A) * (-B) -> A * B
        to match.pd.
* doc/implement-c.texi (Integers Implementation): Make GCC's promises
about signed left shift stronger and clarify the cases when they're
broken.
        Move (a * (1 << b)) is (a << b) to match.pd.
        Move convert (C1/X)*C2 into (C1*C2)/X to match.pd.
        Move ~X & X, (X == 0) & X, and !X & X are zero to match.pd.
        Move X & ~X , X & (X == 0), and X & !X are zero to match.pd.

        * match.pd (mult:c @0 (convert? (lshift integer_onep@1 @2))):
        New simplifier.
        (mult (rdiv:s REAL_CST@0 @1) REAL_CST@2): New simplifier.
        (bit_and:c (convert? @0) (convert? (bit_not @0))): New simplifier.
        (bit_ior (bit_and:s @0 (bit_not:s @1)) (bit_and:s (bit_not:s @0) @1))
        : New simplifier.
        (mult:c (convert1? (negate @0)) (convert2? negate_expr_p@1)):
        New simplifier.
        (match (logical_inverted_value @0) (truth_not @0)) : New Predicate.

2015-10-21  Gregor Richards  <gregor.richards@uwaterloo.ca>
            Szabolcs Nagy  <szabolcs.nagy@arm.com>
            Alan Modra  <amodra@gmail.com>

        * config/rs6000/secureplt.h (LINK_SECURE_PLT_DEFAULT_SPEC): Define.
        * config/rs6000/sysv4.h (LINK_SECURE_PLT_SPEC): Define.
        (LINK_SPEC): Add %(link_secure_plt).
        (SUBTARGET_EXTRA_SPECS): Add "link_secure_plt".
        * config/rs6000/linux64.h (LINK_SECURE_PLT_SPEC): Redefine.

2015-10-20  Gregor Richards  <gregor.richards@uwaterloo.ca>
            Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/sh/linux.h (MUSL_DYNAMIC_LINKER): Define.
        (MUSL_DYNAMIC_LINKER_E, MUSL_DYNAMIC_LINKER_FP): Define.

2015-10-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_mode_valid_for_sched_fusion_p):
        New function.
        (fusion_load_store): Use it.
        * config/aarch64/aarch64-ldpstp.md: Add new peephole2s for
        ldp and stp in VD modes.
        * config/aarch64/aarch64-simd.md (load_pair<mode>, VD): New pattern.
        (store_pair<mode>, VD): Likewise.

2015-10-20  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/67609
        * lra-splill.c (lra_final_code_change): Don't remove all
        sub-registers.

2015-10-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * simplify-rtx.c (simplify_binary_operation): If either operand was
        a constant pool reference use them if all other simplifications failed.

2015-10-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md
        (*aarch64_fcvt<su_optab><GPF:mode><GPI:mode>2_mult): New pattern.
        * config/aarch64/aarch64-simd.md
        (*aarch64_fcvt<su_optab><VDQF:mode><fcvt_target>2_mult): Likewise.
        * config/aarch64/aarch64.c (aarch64_rtx_costs): Handle above patterns.
        (aarch64_fpconst_pow_of_2): New function.
        (aarch64_vec_fpconst_pow_of_2): Likewise.
        * config/aarch64/aarch64-protos.h (aarch64_fpconst_pow_of_2): Declare
        prototype.
        (aarch64_vec_fpconst_pow_of_2): Likewise.
        * config/aarch64/predicates.md (aarch64_fp_pow2): New predicate.
        (aarch64_fp_vec_pow2): Likewise.

2015-10-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.h (HARD_REGNO_NREGS): Use CEIL macro.
        (ALPHA_ARG_SIZE): Ditto.  Remove unused NAMED argument.
        * config/alpha/alpha.c (alpha_function_arg_advance): Update
        ALPHA_ARG_SIZE usage.
        (alpha_arg_partial_bytes): Ditto.

2015-10-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66810
        * cgraphbuild.c (pass_build_cgraph_edges::execute): Skip local
        error_mark_node decls.

2015-10-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/67963
        PR target/67985
        * common/config/i386/i386-common.c (ix86_handle_option): Remove
        OPT_miamcu handling.
        * config/i386/i386.c (PTA_NO_80387): New macro.
        (processor_alias_table): Add PTA_NO_80387 to lakemont.
        (ix86_option_override_internal): Update MASK_80387 from
        PTA_NO_80387.  Don't warn x87/MMX/SSE/AVX for -miamcu.  Warn
        SSE math only if 80387 is supported.  Don't change
        MASK_FLOAT_RETURNS.
        (ix86_valid_target_attribute_tree): Enable FPMATH_387 only if
        80387 is supported.
        * config/i386/i386.h (TARGET_FLOAT_RETURNS_IN_80387): True only
        if TARGET_80387 is true and TARGET_IAMCU is false.
        (TARGET_FLOAT_RETURNS_IN_80387_P): True only if TARGET_80387_P
        is true and TARGET_IAMCU_P is false.

2015-10-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68017
        * tree-tailcall.c (eliminate_tail_call): Remove stmts backwards.

2015-10-20  Martin Liska  <mliska@suse.cz>

        * cgraphclones.c (cgraph_node::create_virtual_clone):
        Verify cgraph_node.local.versionable instead of calling
        tree_versionable_function_p.
        * ipa-cp.c (determine_versionability): Save the information
        to ipa_node_params summary.
        (ipcp_versionable_function_p): Use it.
        (ipcp_propagate_stage): Pass IPA_NODE_REF to a called function.
        (ipcp_generate_summary): Do not compute cgraph_node
        versionability.
        * ipa-inline-analysis.c (inline_generate_summary): Compute
        versionability for all cgraph nodes.
        * ipa-prop.c (ipa_node_params_t::duplicate): Duplicate
        ipa_node_params::versionability.
        * ipa-prop.h (struct ipa_node_params): Declare it.

2015-10-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR other/67868
        * varasm.c (assemble_variable): Move special vtv handling to..
        (handle_vtv_comdat_sections): .. here. New function.
        (output_object_block): Handle vtv sections.

2015-10-20  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/66912
        * varasm.c (default_binds_local_p_2): Turn on extern_protected_data.

2015-10-20  Arkadiusz Drabczyk  <arkadiusz@drabczyk.org>

        * doc/extend.texi: Update documentation WRT inline functions.

2015-10-20  Alan Modra  <amodra@gmail.com>

        PR go/66870
        * config/rs6000/sysv4.h (TARGET_CAN_SPLIT_STACK_64BIT): Don't define.
        * config/rs6000/linux64.h (TARGET_CAN_SPLIT_STACK): Define.
        (TARGET_CAN_SPLIT_STACK_64BIT): Define.

2015-10-19  Pierre-Marie de Rodat  <derodat@adacore.com>

        PR rtl-optimization/66790
        * df.h (DF_MIR): New macro.
        (DF_LAST_PROBLEM_PLUS1): Update to be past DF_MIR
        (DF_MIR_INFO_BB): New macro.
        (DF_MIR_IN, DF_MIR_OUT): New macros.
        (struct df_mir_bb_info): New.
        (df_mir): New macro.
        (df_mir_add_problem, df_mir_simulate_one_insn): New forward
        declarations.
        (df_mir_get_bb_info): New.
        * df-problems.c (struct df_mir_problem_data): New.
        (df_mir_free_bb_info, df_mir_alloc, df_mir_reset,
        df_mir_bb_local_compute, df_mir_local_compute, df_mir_init,
        df_mir_confluence_0, df_mir_confluence_n,
        df_mir_transfer_function, df_mir_free, df_mir_top_dump,
        df_mir_bottom_dump, df_mir_verify_solution_start,
        df_mir_verify_solution_end): New.
        (problem_MIR): New.
        (df_mir_add_problem, df_mir_simulate_one_insn): New.
        * timevar.def (TV_DF_MIR): New.
        * ree.c: Include bitmap.h
        (add_removable_extension): Add an INIT_REGS parameter.  Use it
        to skip zero-extensions that may get an uninitialized register.
        (find_removable_extensions): Compute must-initialized registers
        using the MIR dataflow problem. Update the call to
        add_removable_extension.
        (find_and_remove_re): Call df_mir_add_problem.

2015-10-19  Segher Boessenkool  <segher@kernel.crashing.org>

        * common/config/mn10300/mn10300-common.c
        (mn10300_option_optimization_table) <OPT_freorder_blocks_algorithm_>:
        Use REORDER_BLOCKS_ALGORITHM_STC at -Os and up.

2015-10-19  David Wohlferd  <dw@LimeGreenSocks.com>

        * doc/extend.texi (Explicit Register Variables): Simplify and
        avoid unnecessary and confusion abbreviations.  Update cross
        references.
        doc/implement-c.tex: Update cross reference.

2015-10-19  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (valid_jump_thread_path): Reject paths
        that create irreducible loops unless the path elimiantes a multiway
        branch.

2015-10-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67975
        * tree-cfg.h (extract_true_false_controlled_edges): Declare.
        * tree-cfg.c (extract_true_false_controlled_edges): Split out
        core worker from ...
        * tree-ssa-loop-im.c (extract_true_false_args_from_phi): ... here.
        * tree-ssa-sccvn.c (vn_phi_compute_hash): Hash number of args
        instead of block number for PHIs with two or one args.
        (vn_phi_eq): Compare edge predicates of PHIs that are in different
        blocks.

2015-10-19  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (gimple_phi_nonnegative_warnv_p): New function.
        (gimple_stmt_nonnegative_warnv_p): Use it.
        * match.pd (CPROJ): New operator list.
        (cproj (complex ...)): Move simplifications from ...
        * builtins.c (fold_builtin_cproj): ... here.

2015-10-19  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_move): Use
        GET_MODE_BITSIZE for IA MCU psABI to get vector natural
        alignment.

2015-10-19  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi: Replace @optindex with @opindex.

2015-10-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/67995
        * config/i386/i386.c (ix86_valid_target_attribute_tree): If
        arch= is set,  clear all bits in x_ix86_isa_flags, except for
        ISA_64BIT, ABI_64, ABI_X32, and CODE16.

2015-10-19  Joost VandeVondele  <vondele@gnu.gcc.org>

        PR middle-end/68002
        * common.opt (fkeep-static-functions): New option.
        * doc/invoke.texi: Document it.
        * cgraphunit.c (cgraph_node::finalize_function): Use it.

2015-10-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * sched-int.h (struct autopref_multipass_data_): Remove offset
        field.  Add min_offset, max_offset, multi_mem_insn_p fields.
        * haifa-sched.c (analyze_set_insn_for_autopref): New function.
        (autopref_multipass_init): Use it.  Handle PARALLEL sets.
        (autopref_rank_data): New function.
        (autopref_rank_for_schedule): Use it.
        (autopref_multipass_dfa_lookahead_guard_1): Likewise.

2015-10-18  Mikhail Maltsev  <maltsevm@gmail.com>

        PR other/65800
        * gengtype.c (dump_type): Handle TYPE_UNDEFINED correctly.

2015-10-18  Iain Sandoe  <iain@codesourcery.com>

        * config/darwin.h (TARGET_SYSTEM_ROOT): Remove this from here,
        (HAVE_LD_SYSROOT): New.  (SYSROOT_SPEC): New.
        (LINK_SYSROOT_SPEC): Revise to remove the default for target sysroot.
        (STANDARD_STARTFILE_PREFIX_1): New.
        (STANDARD_STARTFILE_PREFIX_2): New.

2015-10-18  Iain Sandoe  <iain@codesourcery.com>

        * config/darwin-driver.c (darwin_default_min_version): Refactor code.
        (darwin_driver_init): Note a version-min when provided on the c/l.
        * config/darwin.h (%darwin_minversion): Remove.
        * config/i386/darwin.h: Likewise.
        * config/rs6000/darwin.h: Likewise.
        * config/darwin.opt (mmacosx-version-min=): Use the configured default,
        rather than an arbitrary constant.

2015-10-18  Iain Sandoe  <iain@codesourcery.com>

        * config/darwin-driver.c (darwin_driver_init): Handle '-arch' for
        PPC, detect conflicts between -arch and multilib settings.  Detect
        and warn about conflicts between multiple -arch definitions.

2015-10-18  Iain Sandoe  <iain@codesourcery.com>

        * config/darwin-driver.c: Adjust includes to add diagnostic-core.

2015-10-16  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * lra-constraints.c (add_next_usage_insn): Change argument type
        from rtx to rtx_insn *.

2015-10-16  H.J. Lu  <hongjiu.lu@intel.com>

        * i386/x86-tune.def (X86_TUNE_ALWAYS_FANCY_MATH_387): Disable
        for Lakemont.

2015-10-16  Andrew MacLeod  <amacleod@redhat.com>

        * config/tilepro/gen-mul-tables.cc: Adjust include files.
        * config/tilegx/mul-tables.c: Regenerate.
        * config/tilepro/mul-tables.c: Regenerate.

        * config/tilegx/tilegx-c.c: Adjust include files.
        * config/tilegx/tilegx.c: Likewise.
        * config/tilepro/tilepro-c.c: Likewise.
        * config/tilepro/tilepro.c: Likewise.
        * config/aarch64/aarch64-builtins.c: Likewise.
        * config/aarch64/aarch64.c: Likewise.
        * config/aarch64/cortex-a57-fma-steering.c: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/aarch-common.c: Likewise.
        * config/arm/arm-builtins.c: Likewise.
        * config/arm/arm-c.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/avr/avr-c.c: Likewise.
        * config/avr/avr-devices.c: Likewise.
        * config/avr/avr-log.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/c6x/c6x.c: Likewise.
        * config/cr16/cr16.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/darwin-driver.c: Likewise.
        * config/darwin.c: Likewise.
        * config/default-c.c: Likewise.
        * config/epiphany/epiphany.c: Likewise.
        * config/epiphany/mode-switch-use.c: Likewise.
        * config/epiphany/resolve-sw-modes.c: Likewise.
        * config/fr30/fr30.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/ft32/ft32.c: Likewise.
        * config/glibc-c.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/i386/host-cygwin.c: Likewise.
        * config/i386/host-mingw32.c: Likewise.
        * config/i386/i386-c.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/msformat-c.c: Likewise.
        * config/i386/winnt-cxx.c: Likewise.
        * config/i386/winnt-stubs.c: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64-c.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/lm32/lm32.c: Likewise.
        * config/m32c/m32c-pragma.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep-pragma.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/microblaze/microblaze-c.c: Likewise.
        * config/microblaze/microblaze.c: Likewise.
        * config/mips/mips-tables.opt
        * config/mips/mips.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/moxie/moxie.c: Likewise.
        * config/msp430/msp430-c.c: Likewise.
        * config/msp430/msp430.c: Likewise.
        * config/nds32/nds32-cost.c: Likewise.
        * config/nds32/nds32-fp-as-gp.c: Likewise.
        * config/nds32/nds32-intrinsic.c: Likewise.
        * config/nds32/nds32-isr.c: Likewise.
        * config/nds32/nds32-md-auxiliary.c: Likewise.
        * config/nds32/nds32-memory-manipulation.c: Likewise.
        * config/nds32/nds32-pipelines-auxiliary.c: Likewise.
        * config/nds32/nds32-predicates.c: Likewise.
        * config/nds32/nds32.c: Likewise.
        * config/nios2/nios2.c: Likewise.
        * config/nvptx/mkoffload.c: Likewise.
        * config/nvptx/nvptx.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/rl78/rl78-c.c: Likewise.
        * config/rl78/rl78.c: Likewise.
        * config/rs6000/host-darwin.c: Likewise.
        * config/rs6000/rs6000-c.c: Likewise.
        * config/rs6000/rs6000-linux.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/s390/s390-c.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sh/sh-c.c: Likewise.
        * config/sh/sh-mem.cc: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh_optimize_sett_clrt.cc: Likewise.
        * config/sh/sh_treg_combine.cc: Likewise.
        * config/sol2-c.c: Likewise.
        * config/sol2-cxx.c: Likewise.
        * config/sol2-stubs.c: Likewise.
        * config/sol2.c: Likewise.
        * config/sparc/sparc-c.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu-c.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/v850/v850-c.c: Likewise.
        * config/v850/v850.c: Likewise.
        * config/vax/vax.c: Likewise.
        * config/visium/visium.c: Likewise.
        * config/vms/vms-c.c: Likewise.
        * config/vms/vms.c: Likewise.
        * config/vxworks.c: Likewise.
        * config/winnt-c.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.

2015-10-16  Christian Bruel  <christian.bruel@st.com>

        PR target/67745
        * config/arm/arm.h (FUNCTION_BOUNDARY): Use FUNCTION_BOUNDARY_P.
        (FUNCTION_BOUNDARY_P): New macro:
        * config/arm/arm.c (TARGET_RELAYOUT_FUNCTION, arm_relayout_function):
        New hook.
        * doc/tm.texi.in (TARGET_RELAYOUT_FUNCTION): Document.
        * doc/tm.texi (TARGET_RELAYOUT_FUNCTION): New hook.
        * target.def (TARGET_RELAYOUT_FUNCTION): Likewise.
        * function.c (allocate_struct_function): Call
        relayout_function hook.
        * passes.c (rest_of_decl_compilation): Likewise.

2015-10-16  Christian Bruel  <christian.bruel@st.com>

        PR target/67745
        * config/arm/arm.h (FUNCTION_BOUNDARY): Move optimize_size condition to:
        * config/arm/arm.c (arm_option_override_internal): Call
        arm_override_options_after_change_1.
        (arm_override_options_after_change): New function.
        (arm_override_options_after_change_1): Likewise.
        (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define hook.

2015-10-11  Jan Hubicka  <hubicka@ucw.cz>

        Revert:
        * ipa-icf-gimple.c (func_checker::compare_operand): Compare only
        empty constructors.

2015-10-16  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (recompute_tree_invariant_for_addr_expr): Assert that the
        argument is an ADDR_EXPR.

2015-10-16  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (gimple_fold_builtin_memory_op): Use gimple_build
        and get rid of force_gimple_operand_gsi.
        (gimple_fold_builtin_memory_chk): Likewise.
        (gimple_fold_builtin_stxcpy_chk): Likewise.
        (rewrite_to_defined_overflow): Likewise.
        (gimple_convert_to_ptrofftype): New function.
        * gimple-fold.h (gimple_convert_to_ptrofftype): New overload, declare.

2015-10-16  Richard Biener  <rguenther@suse.de>

        * tree-nested.h (build_addr): Adjust prototype.
        * tree-nested.c (build_addr): Remove context argument and use
        mark_addressable.
        (get_static_chain): Adjust calls to build_addr.
        (convert_nl_goto_reference): Likewise.
        (convert_tramp_reference_op): Likewise.
        (finalize_nesting_tree_1): Likewise.
        * value-prof.c (gimple_ic): Likewise.
        * gimple-low.c (lower_builtin_setjmp): Likewise.
        * tree-parloops.c (take_address_of): Likewise.
        (create_call_for_reduction_1): Likewise.
        * tree-profile.c (gimple_gen_interval_profiler): Likewise.
        (gimple_gen_ic_func_profiler): Likewise.

2015-10-11  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf-gimple.c (func_checker::compare_operand): Compare only
        empty constructors.

2015-10-16  Michael Collison  <michael.collison@linaro.org>
            Andrew Pinski <andrew.pinski@caviumnetworks.com>

        * match.pd ((x < y) && (x < z) -> x < min (y,z),
        (x > y) and (x > z) -> x > max (y,z))

2015-10-15  Gregor Richards  <gregor.richards@uwaterloo.ca>
            Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/microblaze/linux.h (MUSL_DYNAMIC_LINKER): Define.
        (DYNAMIC_LINKER): Renamed to ...
        (GLIBC_DYNAMIC_LINKER): This.
        (SUBTARGET_EXTRA_SPECS): Use GNU_USER_DYNAMIC_LINKER.

2015-10-15  Marek Polacek  <polacek@redhat.com>

        * tree-ssa-reassoc.c (attempt_builtin_copysign): Call
        gimple_call_builtin instead of is_gimple_call.

2015-10-15  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vect_init_vector): Remove unused vars.

2015-10-15  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_get_new_ssa_name): Declare.
        * tree-vect-data-refs.c (vect_get_new_ssa_name): New helper.
        * tree-vect-loop.c (get_initial_def_for_induction): Drop
        use of force_gimple_operand in favor of gimple_build.
        Use vect_get_new_ssa_name.
        * tree-vect-stmts.c (vect_init_vector): Use vect_get_new_ssa_name.
        (vectorizable_mask_load_store): Likewise.
        (vectorizable_call): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        (vect_get_vec_def_for_stmt_copy): Remove redundant stmt.

2015-10-15  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/67945
        * tree-pass.h (PROP_gimple_opt_math): New property flag.
        * generic-match-head.c (canonicalize_math_p): New function.
        * gimple-match-head.c: Include tree-pass.h.
        (canonicalize_math_p): New function.
        * match.pd: Group math built-in rules into simplifications
        and canonicalizations.  Guard the latter with canonicalize_math_p.
        * tree-ssa-math-opts.c (pass_data_cse_sincos): Provide the
        PROP_gimple_opt_math property.

2015-10-15  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/67953
        * match.pd (X - (X / Y) * Y): Don't change signedness of @0.

2015-10-15  Jiong Wang  <jiong.wang@arm.com>

        * config.gcc: Recognize "." in architecture base name for AArch64.

2015-10-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/mips/mips.h (MIPS_STACK_ALIGN): Implement using
        ROUND_UP macro.
        * config/mips/mips.c (mips_setup_incoming_varargs): Use
        ROUND_DOWN to calculate off.
        (mips_gimplify_va_arg_expr): Use ROUND_UP to calculate rsize.
        (mips_emit_probe_stack_range): Use ROUND_DOWN to calculate
        rounded_size.

2015-10-14  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_addr_expr) <MEM_REF>: New case.

2015-10-14  Peter Bergner  <bergner@vnet.ibm.com>
            Torvald Riegel  <triegel@redhat.com>

        PR target/67281
        * config/rs6000/htm.md (UNSPEC_HTM_FENCE): New.
        (tabort, tabort<wd>c, tabort<wd>ci, tbegin, tcheck, tend,
        trechkpt, treclaim, tsr, ttest): Rename define_insns from this...
        (*tabort, *tabort<wd>c, *tabort<wd>ci, *tbegin, *tcheck, *tend,
        *trechkpt, *treclaim, *tsr, *ttest): ...to this.  Add memory barrier.
        (tabort, tabort<wd>c, tabort<wd>ci, tbegin, tcheck, tend,
        trechkpt, treclaim, tsr, ttest): New define_expands.
        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
        __TM_FENCE__ for htm.
        * doc/extend.texi: Update documentation for htm builtins.

2015-10-14  Uros Bizjak  <ubizjak@gmail.com>

        PR target/67967
        * config/i386/i386.c (ix86_emit_save_reg_using_mov): Do not add
        REG_CFA_EXPRESSION to aligned SSE stores.

2015-10-14  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (thread_through_all_blocks): Bump
        num_threaded_edges for successful FSM threads too.

2015-10-14  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_is_simple_use): Remove unused parameters.
        (vect_is_simple_use_1): Likewise.  Make overload of vect_is_simple_use.
        (vect_get_vec_def_for_operand): Remove unused parameter.
        * tree-vect-loop.c (get_initial_def_for_induction): Adjust.
        (vect_create_epilog_for_reduction): Likewise.
        (vectorizable_reduction): Likewise.
        (vectorizable_live_operation): Likewise.
        * tree-vect-patterns.c (type_conversion_p): Likewise.
        (vect_recog_vector_vector_shift_pattern): Likewise.
        (check_bool_pattern): Likewise.
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Likewise.
        (vect_analyze_slp_cost_1): Likewise.
        * tree-vect-stmts.c (process_use): Likewise.
        (vect_get_vec_def_for_operand): Do not handle reductions.
        (vect_get_vec_defs): Adjust.
        (vectorizable_mask_load_store): Likewise.
        (vectorizable_call): Likewise.
        (vectorizable_simd_clone_call): Likewise.
        (vect_get_loop_based_defs): Likewise.
        (vectorizable_conversion): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_shift): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        (vect_is_simple_cond): Likewise.
        (vectorizable_condition): Likewise.
        (vect_is_simple_use): Remove unused parameters.
        (vect_is_simple_use_1): Adjust and rename.

2015-10-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67915
        * match.pd: Handle comparisons of addresses of STRING_CSTs.
        * gimplify.c (gimplify_cond_expr): Fold the GIMPLE conds we build.
        * tree-cfgcleanup.c (cleanup_control_expr_graph): Remove GENERIC
        stmt folding in favor of GIMPLE one.

2015-10-14  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/67815
        * tree-ssa-reassoc.c (attempt_builtin_copysign): New function.
        (reassociate_bb): Call it.

2015-10-14  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
        Reset info at start.
        (vect_analyze_group_access_1): Add debug print.
        * tree-vect-loop.c (vect_get_single_scalar_iteration_cost): Rename ...
        (vect_compute_single_scalar_iteration_cost): ... to this.
        (vect_analyze_loop_2): Adjust.
        * tree-vect-slp.c (struct _slp_oprnd_info): Move from ...
        * tree-vectorizer.h: ... here.
        (add_stmt_info_to_vec): Remove.
        * tree-vect-stmts.c (record_stmt_cost): Inline add_stmt_info_to_vec.

2015-10-14  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * targhooks.c (default_target_option_pragma_parse): Do not warn if
        called on behalf of "#pragma GCC pop_options".

2015-10-14  Tom de Vries  <tom@codesourcery.com>

        * cfganal.c (verify_no_unreachable_blocks): New function.
        (inverted_post_order_compute) [ENABLE_CHECKING]: Call
        verify_no_unreachable_blocks.
        cfganal.h (verify_no_unreachable_blocks): Declare.

2015-10-13  Mikhail Maltsev  <maltsevm@gmail.com>

        * common.opt: Add flag_checking.
        * system.h (CHECKING_P): Define.

2015-10-13  Jakub Jelinek  <jakub@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>
            Ilya Verbin  <ilya.verbin@intel.com>

        * builtin-types.def (BT_FN_BOOL_UINT_LONGPTR_LONGPTR_LONGPTR,
        BT_FN_BOOL_UINT_ULLPTR_ULLPTR_ULLPTR,
        BT_FN_BOOL_UINT_LONGPTR_LONG_LONGPTR_LONGPTR,
        BT_FN_BOOL_UINT_ULLPTR_ULL_ULLPTR_ULLPTR,
        BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_UINT_PTR,
        BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR,
        BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT,
        BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_UINT_LONG_INT_LONG_LONG_LONG,
        BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_UINT_LONG_INT_ULL_ULL_ULL,
        BT_FN_VOID_LONG_VAR, BT_FN_VOID_ULL_VAR): New.
        (BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR,
        BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR,
        BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR): Remove.
        * cgraph.h (enum cgraph_simd_clone_arg_type): Add
        SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP,
        SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP and
        SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP.
        (struct cgraph_simd_clone_arg): Adjust comment.
        * coretypes.h (struct gomp_ordered): New forward decl.
        * gimple.c (gimple_build_omp_critical): Add CLAUSES argument,
        set critical clauses to it.
        (gimple_build_omp_ordered): Return gomp_ordered * instead of
        gimple *.  Add CLAUSES argument, set ordered clauses to it.
        (gimple_copy): Unshare clauses on GIMPLE_OMP_CRITICAL and
        GIMPLE_OMP_ORDERED.
        * gimple.def (GIMPLE_OMP_ORDERED): Change from GSS_OMP to
        GSS_OMP_SINGLE_LAYOUT, move it after GIMPLE_OMP_TEAMS.
        * gimple.h (enum gf_mask): Add GF_OMP_TASK_TASKLOOP.  Add another bit
        to GF_OMP_FOR_KIND_MASK mask. Add GF_OMP_FOR_KIND_TASKLOOP, renumber
        GF_OMP_FOR_KIND_CILKFOR and GF_OMP_FOR_KIND_OACC_LOOP.  Adjust
        GF_OMP_FOR_SIMD, GF_OMP_FOR_COMBINED and GF_OMP_FOR_COMBINED_INTO.
        Add another bit to GF_OMP_TARGET_KIND_MASK mask.  Add
        GF_OMP_TARGET_KIND_ENTER_DATA and GF_OMP_TARGET_KIND_EXIT_DATA,
        renumber
        GF_OMP_TARGET_KIND_OACC_{PARALLEL,KERNELS,DATA,UPDATE,ENTER_EXIT_DATA}.
        (gomp_critical): Add clauses field.
        (gomp_ordered): New struct.
        (is_a_helper <gomp_ordered *>::test): New inline.
        (gimple_build_omp_critical): Add CLAUSES argument.
        (gimple_build_omp_ordered): Likewise.  Return gomp_ordered *
        instead of gimple *.
        (gimple_omp_critical_clauses, gimple_omp_critical_clauses_ptr,
        gimple_omp_critical_set_clauses, gimple_omp_ordered_clauses,
        gimple_omp_ordered_clauses_ptr, gimple_omp_ordered_set_clauses,
        gimple_omp_task_taskloop_p, gimple_omp_task_set_taskloop_p): New
        inline functions.
        * gimple-pretty-print.c (dump_gimple_omp_for): Handle taskloop.
        (dump_gimple_omp_target): Handle enter data and exit data.
        (dump_gimple_omp_block): Don't handle GIMPLE_OMP_ORDERED here.
        (dump_gimple_omp_critical): Print clauses.
        (dump_gimple_omp_ordered): New function.
        (dump_gimple_omp_task): Handle taskloop.
        (pp_gimple_stmt_1): Use dump_gimple_omp_ordered for
        GIMPLE_OMP_ORDERED.
        * gimple-walk.c (walk_gimple_op): Walk clauses on
        GIMPLE_OMP_CRITICAL and GIMPLE_OMP_ORDERED.
        * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP_0LEN_ARRAY.
        (enum omp_region_type): Add ORT_COMBINED_TARGET and ORT_NONE.
        (struct gimplify_omp_ctx): Add loop_iter_var,
        target_map_scalars_firstprivate, target_map_pointers_as_0len_arrays
        and target_firstprivatize_array_bases fields.
        (delete_omp_context): Release loop_iter_var.
        (gimplify_bind_expr): Handle ORT_NONE.
        (maybe_fold_stmt): Adjust check for ORT_TARGET for the addition of
        ORT_COMBINED_TARGET.
        (is_gimple_stmt): Return true for OMP_TASKLOOP, OMP_TEAMS and
        OMP_TARGET{,_DATA,_UPDATE,_ENTER_DATA,_EXIT_DATA}.
        (omp_firstprivatize_variable): Handle ORT_NONE.  Adjust check for
        ORT_TARGET for the addition of ORT_COMBINED_TARGET.  Handle
        ctx->target_map_scalars_firstprivate.
        (omp_add_variable): Handle ORT_NONE.  Allow map clause together with
        data sharing clauses.  For data sharing clause with VLA decl
        on omp target/target data don't add firstprivate for the pointer.
        Call omp_notice_variable on TYPE_SIZE_UNIT only if it is a DECL_P.
        (omp_notice_threadprivate_variable): Adjust check for ORT_TARGET for
        the addition of ORT_COMBINED_TARGET.
        (omp_notice_variable): Handle ORT_NONE.  Adjust check for ORT_TARGET
        for the addition of ORT_COMBINED_TARGET.  Handle implicit mapping of
        pointers as zero length array sections and
        ctx->target_map_scalars_firstprivate mapping of scalars as firstprivate
        data sharing.
        (omp_check_private): Handle omp_member_access_dummy_var vars.
        (find_decl_expr): New function.
        (gimplify_scan_omp_clauses): Add CODE argument.  For OMP_CLAUSE_IF
        complain if OMP_CLAUSE_IF_MODIFIER is present and does not match code.
        Handle OMP_CLAUSE_GANG separately.  Handle
        OMP_CLAUSE_{PRIORITY,GRAINSIZE,NUM_TASKS,NOGROUP,THREADS,SIMD,SIMDLEN}
        clauses.  Diagnose linear clause on combined
        distribute {, parallel for} simd construct, unless it is the loop
        iterator.  Handle struct element GOMP_MAP_FIRSTPRIVATE_POINTER.
        Handle map clauses with COMPONENT_REF.  Initialize
        ctx->target_map_scalars_firstprivate,
        ctx->target_firstprivatize_array_bases and
        ctx->target_map_pointers_as_0len_arrays.  Add firstprivate for
        linear clause even to target region if combined.  Remove
        map clauses with GOMP_MAP_FIRSTPRIVATE_POINTER kind from
        OMP_TARGET_{,ENTER_,EXIT_}DATA.  For GOMP_MAP_FIRSTPRIVATE_POINTER
        map kind with non-INTEGER_CST OMP_CLAUSE_SIZE firstprivatize the bias.
        Handle OMP_CLAUSE_DEPEND_{SINK,SOURCE}.  Handle
        OMP_CLAUSE_{{USE,IS}_DEVICE_PTR,DEFAULTMAP,HINT}.
        For linear clause on worksharing loop combined with parallel add
        shared clause on the parallel.  Handle OMP_CLAUSE_REDUCTION
        with MEM_REF OMP_CLAUSE_DECL.  Set DECL_NAME on
        omp_member_access_dummy_var vars.  Add lastprivate clause to outer
        taskloop if needed.
        (gimplify_adjust_omp_clauses_1): Handle GOVD_MAP_0LEN_ARRAY.
        If gimplify_omp_ctxp->target_firstprivatize_array_bases, use
        GOMP_MAP_FIRSTPRIVATE_POINTER map kind instead of
        GOMP_MAP_POINTER.
        (gimplify_adjust_omp_clauses): Add CODE argument.  Handle removal
        of GOMP_MAP_FIRSTPRIVATE_POINTER struct elements for struct not seen
        in target body.  Handle removal of struct mapping if struct is not
        seen in target body.  Remove GOMP_MAP_STRUCT map clause on
        OMP_TARGET_EXIT_DATA.  Adjust check for ORT_TARGET for the
        addition of ORT_COMBINED_TARGET.  Use GOMP_MAP_FIRSTPRIVATE_POINTER
        instead of GOMP_MAP_POINTER if ctx->target_firstprivatize_array_bases
        for VLAs.  Set OMP_CLAUSE_MAP_PRIVATE if both data sharing and map
        clause appear together.  Handle
        OMP_CLAUSE_{{USE,IS}_DEVICE_PTR,DEFAULTMAP,HINT}.  Don't remove map
        clause if it has map-type-modifier always.  Handle
        OMP_CLAUSE_{PRIORITY,GRAINSIZE,NUM_TASKS,NOGROUP,THREADS,SIMD,SIMDLEN}
        clauses.
        (gimplify_oacc_cache, gimplify_omp_parallel, gimplify_omp_task):
        Adjust gimplify_scan_omp_clauses and gimplify_adjust_omp_clauses
        callers.
        (gimplify_omp_for): Likewise.  Handle OMP_TASKLOOP.  Initialize
        loop_iter_var.  Use OMP_FOR_ORIG_DECLS.  Fix handling of lastprivate
        iterators in doacross loops.
        (gimplify_omp_workshare): Adjust gimplify_scan_omp_clauses and
        gimplify_adjust_omp_clauses callers.  Use ORT_COMBINED_TARGET
        for OMP_TARGET_COMBINED.  Adjust check for ORT_TARGET
        for the addition of ORT_COMBINED_TARGET.
        (gimplify_omp_target_update): Adjust gimplify_scan_omp_clauses and
        gimplify_adjust_omp_clauses callers.  Handle OMP_TARGET_ENTER_DATA
        and OMP_TARGET_EXIT_DATA.
        (gimplify_omp_ordered): New function.
        (gimplify_expr): Handle OMP_TASKLOOP, OMP_TARGET_ENTER_DATA and
        OMP_TARGET_EXIT_DATA.  Use gimplify_omp_ordered for OMP_ORDERED.
        Gimplify clauses on OMP_CRITICAL.
        * internal-fn.c (expand_GOMP_SIMD_ORDERED_START,
        expand_GOMP_SIMD_ORDERED_END): New functions.
        * internal-fn.def (GOMP_SIMD_ORDERED_START,
        GOMP_SIMD_ORDERED_END): New internal functions.
        * omp-builtins.def (BUILT_IN_GOMP_LOOP_DOACROSS_STATIC_START,
        BUILT_IN_GOMP_LOOP_DOACROSS_DYNAMIC_START,
        BUILT_IN_GOMP_LOOP_DOACROSS_GUIDED_START,
        BUILT_IN_GOMP_LOOP_DOACROSS_RUNTIME_START,
        BUILT_IN_GOMP_LOOP_ULL_DOACROSS_STATIC_START,
        BUILT_IN_GOMP_LOOP_ULL_DOACROSS_DYNAMIC_START,
        BUILT_IN_GOMP_LOOP_ULL_DOACROSS_GUIDED_START,
        BUILT_IN_GOMP_LOOP_ULL_DOACROSS_RUNTIME_START,
        BUILT_IN_GOMP_DOACROSS_POST, BUILT_IN_GOMP_DOACROSS_WAIT,
        BUILT_IN_GOMP_DOACROSS_ULL_POST, BUILT_IN_GOMP_DOACROSS_ULL_WAIT,
        BUILT_IN_GOMP_TARGET_ENTER_EXIT_DATA, BUILT_IN_GOMP_TASKLOOP,
        BUILT_IN_GOMP_TASKLOOP_ULL): New built-ins.
        (BUILT_IN_GOMP_TASK): Add INT argument to the end.
        (BUILT_IN_GOMP_TARGET): Rename from GOMP_target to GOMP_target_41,
        adjust type.
        (BUILT_IN_GOMP_TARGET_DATA): Rename from GOMP_target_data to
        GOMP_target_data_41, adjust type.
        (BUILT_IN_GOMP_TARGET_UPDATE): Rename from GOMP_target_update to
        GOMP_target_update_41, adjust type.
        * omp-low.c (struct omp_region): Adjust comments, add ord_stmt
        field.
        (struct omp_for_data): Add ordered and simd_schedule fields.
        (omp_member_access_dummy_var, unshare_and_remap_1,
        unshare_and_remap, is_taskloop_ctx): New functions.
        (is_taskreg_ctx): Use is_parallel_ctx and is_task_ctx.
        (extract_omp_for_data): Handle taskloops and doacross loops
        and simd schedule modifier.
        (omp_adjust_chunk_size): New function.
        (get_ws_args_for): Use it.
        (lookup_sfield): Change first argument to splay_tree_key,
        add overload with first argument tree.
        (maybe_lookup_field): Likewise.
        (use_pointer_for_field): Handle omp_member_access_dummy_var.
        (omp_copy_decl_2): If var is TREE_ADDRESSABLE listed in
        task_shared_vars, clear TREE_ADDRESSABLE on the copy.
        (build_outer_var_ref): Add LASTPRIVATE argument, handle
        taskloops and omp_member_access_dummy_var vars.
        (build_sender_ref): Change first argument to splay_tree_key,
        add overload with first argument tree.
        (install_var_field): For mask & 8 use &DECL_UID as key instead
        of the tree itself.
        (fixup_child_record_type): Const qualify *.omp_data_i.
        (scan_sharing_clauses): Handle OMP_CLAUSE_SHARED_FIRSTPRIVATE,
        C/C++ array reductions, OMP_CLAUSE_{IS,USE}_DEVICE_PTR clauses,
        OMP_CLAUSE_{PRIORITY,GRAINSIZE,NUM_TASKS,SIMDLEN,THREADS,SIMD} and
        OMP_CLAUSE_{NOGROUP,DEFAULTMAP} clauses, OMP_CLAUSE__LOOPTEMP_ clause
        on taskloop, GOMP_MAP_FIRSTPRIVATE_POINTER, OMP_CLAUSE_MAP_PRIVATE.
        (create_omp_child_function): Set TREE_READONLY on .omp_data_i.
        (find_combined_for): Allow searching for different GIMPLE_OMP_FOR
        kinds.
        (add_taskreg_looptemp_clauses): New function.
        (scan_omp_parallel): Use it.
        (scan_omp_task): Likewise.
        (finish_taskreg_scan): Handle OMP_CLAUSE_SHARED_FIRSTPRIVATE.
        For taskloop, move fields for the first two _LOOPTEMP_ clauses first.
        (check_omp_nesting_restrictions): Handle GF_OMP_TARGET_KIND_ENTER_DATA
        and GF_OMP_TARGET_KIND_EXIT_DATA.  Formatting fixes.  Allow the
        sandwiched taskloop constructs.  Type check
        OMP_CLAUSE_DEPEND_{KIND,SOURCE}.  Allow ordered simd inside of simd
        region.  Diagnose depend(source) or depend(sink:...) on
        target constructs or task/taskloop.
        (handle_simd_reference): Use get_name.
        (lower_rec_input_clauses): Likewise.  Ignore all
        OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses on taskloop construct.
        Allow _LOOPTEMP_ clause on GOMP_TASK.  Unshare new_var
        before passing it to omp_clause_{default,copy}_ctor.  Handle
        OMP_CLAUSE_REDUCTION with MEM_REF OMP_CLAUSE_DECL.  Set
        lastprivate_firstprivate flag for linear that needs copyin and
        copyout.  Use BUILT_IN_ALLOCA_WITH_ALIGN instead of BUILT_IN_ALLOCA.
        (lower_lastprivate_clauses): For OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE
        on taskloop lookup decl in outer context.  Pass true to
        build_outer_var_ref lastprivate argument.  Handle
        OMP_CLAUSE_LASTPRIVATE_TASKLOOP_IV lastprivate if the decl is global
        outside of outer taskloop for.
        (lower_reduction_clauses): Handle OMP_CLAUSE_REDUCTION with MEM_REF
        OMP_CLAUSE_DECL.
        (lower_send_clauses): Ignore first two _LOOPTEMP_ clauses in taskloop
        GOMP_TASK.  Handle OMP_CLAUSE_SHARED_FIRSTPRIVATE.  Handle
        omp_member_access_dummy_var vars.  Handle OMP_CLAUSE_REDUCTION
        with MEM_REF OMP_CLAUSE_DECL.  Use new lookup_sfield overload.
        (lower_send_shared_vars): Ignore fields with NULL or FIELD_DECL
        abstract origin.  Handle omp_member_access_dummy_var vars.
        (expand_parallel_call): Use expand_omp_build_assign.
        (expand_task_call): Handle taskloop construct expansion.  Add
        REGION argument.  Use GOMP_TASK_* defines instead of hardcoded
        integers.  Add priority argument to GOMP_task* calls.  Or in
        GOMP_TASK_FLAG_PRIORITY into flags if priority is present for
        GOMP_task call.
        (expand_omp_build_assign): Add prototype.  Add AFTER
        argument, if true emit statements after *GSI_P and continue linking.
        (expand_omp_taskreg): Adjust expand_task_call caller.
        (expand_omp_for_init_counts): Rename zero_iter_bb argument to
        zero_iter1_bb and first_zero_iter to first_zero_iter1, add
        zero_iter2_bb and first_zero_iter2 arguments, handle computation
        of counts even for ordered loops.
        (expand_omp_for_init_vars): Handle GOMP_TASK inner_stmt.
        (expand_omp_ordered_source, expand_omp_ordered_sink,
        expand_omp_ordered_source_sink, expand_omp_for_ordered_loops): New
        functions.
        (expand_omp_for_generic): Use omp_adjust_chunk_size.  Handle linear
        clauses on worksharing loop.  Handle DOACROSS loop expansion.
        (expand_omp_for_static_nochunk): Handle linear clauses on
        worksharing loop.  Adjust expand_omp_for_init_counts
        callers.
        (expand_omp_for_static_chunk): Likewise.  Use omp_adjust_chunk_size.
        (expand_omp_simd): Handle addressable fd->loop.v.  Adjust
        expand_omp_for_init_counts callers.
        (expand_omp_taskloop_for_outer, expand_omp_taskloop_for_inner): New
        functions.
        (expand_omp_for): Call expand_omp_taskloop_for_* for taskloop.
        Handle doacross loops.
        (expand_omp_target): Handle GF_OMP_TARGET_KIND_ENTER_DATA and
        GF_OMP_TARGET_KIND_EXIT_DATA.  Pass flags and depend arguments to
        GOMP_target_{41,update_41,enter_exit_data} libcalls.
        (expand_omp): Don't expand ordered depend constructs here, record
        ord_stmt instead for later expand_omp_for_generic.
        (build_omp_regions_1): Handle GF_OMP_TARGET_KIND_ENTER_DATA and
        GF_OMP_TARGET_KIND_EXIT_DATA.  Treat GIMPLE_OMP_ORDERED with depend
        clause as stand-alone directive.
        (lower_omp_ordered_clauses): New function.
        (lower_omp_ordered): Handle OMP_CLAUSE_SIMD, for OMP_CLAUSE_DEPEND
        don't lower anything.
        (lower_omp_for_lastprivate): Use last _looptemp_ clause
        on taskloop for comparison.
        (lower_omp_for): Handle taskloop constructs.  Adjust OMP_CLAUSE_DECL
        and OMP_CLAUSE_LINEAR_STEP so that expand_omp_for_* can use it during
        expansion for linear adjustments.
        (create_task_copyfn): Handle OMP_CLAUSE_SHARED_FIRSTPRIVATE.
        (lower_depend_clauses): Assert not seeing sink/source depend kinds.
        Set TREE_ADDRESSABLE on array.  Change first argument from gimple *
        to tree * pointing to the stmt's clauses.
        (lower_omp_taskreg): Adjust lower_depend_clauses caller.
        (lower_omp_target): Handle GF_OMP_TARGET_KIND_ENTER_DATA
        and GF_OMP_TARGET_KIND_EXIT_DATA, depend clauses,
        GOMP_MAP_{RELEASE,ALWAYS_{TO,FROM,TOFROM},FIRSTPRIVATE_POINTER,STRUCT}
        map kinds, OMP_CLAUSE_{FIRSTPRIVATE,PRIVATE,{IS,USE}_DEVICE_PTR
        clauses.  Always use short kind and 8-bit align shift.
        (lower_omp_regimplify_p): Use IS_TYPE_OR_DECL_P macro.
        (struct lower_omp_regimplify_operands_data): New type.
        (lower_omp_regimplify_operands_p, lower_omp_regimplify_operands):
        New functions.
        (lower_omp_1): Use lower_omp_regimplify_operands instead of
        gimple_regimplify_operands.
        (make_gimple_omp_edges): Handle GF_OMP_TARGET_KIND_ENTER_DATA and
        GF_OMP_TARGET_KIND_EXIT_DATA.  Treat GIMPLE_OMP_ORDERED with depend
        clause as stand-alone directive.
        (simd_clone_clauses_extract): Honor OMP_CLAUSE_LINEAR_KIND.
        (simd_clone_mangle): Mangle the various linear kinds
        per the new ABI.
        (simd_clone_adjust_argument_types): Handle
        SIMD_CLONE_ARG_TYPE_LINEAR_*_CONSTANT_STEP.
        (simd_clone_init_simd_arrays): Don't do anything for uval.
        (simd_clone_adjust): Handle
        SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
        SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.
        Handle SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP.
        * omp-low.h (omp_member_access_dummy_var): New prototype.
        * passes.def (pass_simduid_cleanup): Schedule another copy of the
        pass after all optimizations.
        * tree.c (omp_clause_code_name): Add entries for
        OMP_CLAUSE_{TO_DECLARE,LINK,{USE,IS}_DEVICE_PTR,DEFAULTMAP,HINT}
        and OMP_CLAUSE_{PRIORITY,GRAINSIZE,NUM_TASKS,NOGROUP,THREADS,SIMD}.
        (omp_clause_num_ops): Likewise.  Bump number of OMP_CLAUSE_REDUCTION
        arguments to 5 and for OMP_CLAUSE_ORDERED to 1.
        (walk_tree_1): Adjust for OMP_CLAUSE_ORDERED having 1 argument and
        OMP_CLAUSE_REDUCTION 5 arguments.  Handle
        OMP_CLAUSE_{TO_DECLARE,LINK,{USE,IS}_DEVICE_PTR,DEFAULTMAP,HINT}
        and OMP_CLAUSE_{PRIORITY,GRAINSIZE,NUM_TASKS,NOGROUP,THREADS,SIMD}
        clauses.
        * tree-core.h (enum omp_clause_linear_kind): New.
        (struct tree_omp_clause): Change type of map_kind
        from unsigned char to unsigned int.  Add subcode.if_modifier
        and subcode.linear_kind fields.
        (enum omp_clause_code): Add
        OMP_CLAUSE_{TO_DECLARE,LINK,{USE,IS}_DEVICE_PTR,DEFAULTMAP,HINT}
        and OMP_CLAUSE_{PRIORITY,GRAINSIZE,NUM_TASKS,NOGROUP,THREADS,SIMD}.
        (OMP_CLAUSE_REDUCTION): Document
        OMP_CLAUSE_REDUCTION_DECL_PLACEHOLDER.
        (enum omp_clause_depend_kind): Add OMP_CLAUSE_DEPEND_{SOURCE,SINK}.
        * tree.def (OMP_FOR): Add OMP_FOR_ORIG_DECLS operand.
        (OMP_CRITICAL): Move before OMP_SINGLE.  Add OMP_CRITICAL_CLAUSES
        operand.
        (OMP_ORDERED): Move before OMP_SINGLE.  Add OMP_ORDERED_CLAUSES
        operand.
        (OMP_TASKLOOP, OMP_TARGET_ENTER_DATA, OMP_TARGET_EXIT_DATA): New tree
        codes.
        * tree.h (OMP_BODY): Replace OMP_CRITICAL with OMP_TASKGROUP.
        (OMP_CLAUSE_SET_MAP_KIND): Cast to unsigned int rather than unsigned
        char.
        (OMP_CRITICAL_NAME): Adjust to be 3rd operand instead of 2nd.
        (OMP_CLAUSE_NUM_TASKS_EXPR): Formatting fix.
        (OMP_STANDALONE_CLAUSES): Adjust to cover OMP_TARGET_{ENTER,EXIT}_DATA.
        (OMP_CLAUSE_DEPEND_SINK_NEGATIVE, OMP_TARGET_COMBINED,
        OMP_CLAUSE_MAP_PRIVATE, OMP_FOR_ORIG_DECLS, OMP_CLAUSE_IF_MODIFIER,
        OMP_CLAUSE_MAP_MAYBE_ZERO_LENGTH_ARRAY_SECTION, OMP_CRITICAL_CLAUSES,
        OMP_CLAUSE_PRIVATE_TASKLOOP_IV, OMP_CLAUSE_LASTPRIVATE_TASKLOOP_IV,
        OMP_CLAUSE_HINT_EXPR, OMP_CLAUSE_SCHEDULE_SIMD,
        OMP_CLAUSE_LINEAR_KIND, OMP_CLAUSE_REDUCTION_DECL_PLACEHOLDER,
        OMP_CLAUSE_SHARED_FIRSTPRIVATE, OMP_ORDERED_CLAUSES,
        OMP_TARGET_ENTER_DATA_CLAUSES, OMP_TARGET_EXIT_DATA_CLAUSES,
        OMP_CLAUSE_NUM_TASKS_EXPR, OMP_CLAUSE_GRAINSIZE_EXPR,
        OMP_CLAUSE_PRIORITY_EXPR, OMP_CLAUSE_ORDERED_EXPR): Define.
        * tree-inline.c (remap_gimple_stmt): Handle clauses on
        GIMPLE_OMP_ORDERED and GIMPLE_OMP_CRITICAL.  For
        IFN_GOMP_SIMD_ORDERED_{START,END} set has_simduid_loops.
        * tree-nested.c (convert_nonlocal_omp_clauses): Handle
        OMP_CLAUSE_{TO_DECLARE,LINK,{USE,IS}_DEVICE_PTR,SIMDLEN,PRIORITY,SIMD}
        and OMP_CLAUSE_{GRAINSIZE,NUM_TASKS,HINT,NOGROUP,THREADS,DEFAULTMAP}
        clauses.  Handle OMP_CLAUSE_REDUCTION_DECL_PLACEHOLDER.
        (convert_local_omp_clauses): Likewise.
        * tree-pretty-print.c (dump_omp_clause): Handle
        OMP_CLAUSE_{TO_DECLARE,LINK,{USE,IS}_DEVICE_PTR,SIMDLEN,PRIORITY,SIMD}
        and OMP_CLAUSE_{GRAINSIZE,NUM_TASKS,HINT,NOGROUP,THREADS,DEFAULTMAP}
        clauses.  Handle OMP_CLAUSE_IF_MODIFIER, OMP_CLAUSE_ORDERED_EXPR,
        OMP_CLAUSE_SCHEDULE_SIMD, OMP_CLAUSE_LINEAR_KIND,
        OMP_CLAUSE_DEPEND_{SOURCE,SINK}.  Use "delete" for
        GOMP_MAP_FORCE_DEALLOC.  Handle
        GOMP_MAP_{ALWAYS_{TO,FROM,TOFROM},RELEASE,FIRSTPRIVATE_POINTER,STRUCT}.
        (dump_generic_node): Handle OMP_TASKLOOP, OMP_TARGET_{ENTER,EXIT}_DATA
        and clauses on OMP_ORDERED and OMP_CRITICAL.
        * tree-vectorizer.c (adjust_simduid_builtins): Adjust comment.
        Remove IFN_GOMP_SIMD_ORDERED_{START,END}.
        (vectorize_loops): Adjust comments.
        (pass_simduid_cleanup::execute): Likewise.
        * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
        SIMD_CLONE_ARG_TYPE_LINEAR_{REF,VAL,UVAL}_CONSTANT_STEP.
        * wide-int.h (wi::gcd): New.

2015-10-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (classify_argument): Use CEIL where applicable.
        (ix86_function_arg_advance): Ditto.
        (ix86_function_arg): Ditto.
        (ix86_gimplify_va_arg): Ditto.
        (ix86_class_max_nregs): Ditto.
        (inline_memory_move_cost): Ditto.
        (ix86_set_reg_reg_cost): Ditto.
        * config/i386/i386.h (HARD_REGNO_NREGS): Ditto.

2015-10-13  Alexandre Oliva <aoliva@redhat.com>

        PR middle-end/67912
        * expmed.c (store_bit_field_1): Adjust mode of BLKmode inputs.

2015-10-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/sparc/sparc.h (SPARC_STACK_ALIGN): Implement using
        ROUND_UP macro and UNITS_PER_WORD * 2.
        * config/sparc/sparc.c (sparc_compute_frame_size):
        Use ROUND_UP and ROUND_DOWN macros where applicable.
        (function_arg_record_value, function_arg_record_value_1)
        (function_arg_record_value_1): Ditto.
        (emit_save_or_restore_regs): Use ROUND_DOWN to preserve offset
        alignment to double-word.
        (sparc_gimplify_va_arg): Use ROUND_UP to calculate rsize.
        (sparc_emit_probe_stack_range): Use ROUND_DOWN to calculate
        rounded_size.

2015-10-13  Nikolai Bozhenov  <n.bozhenov@samsung.com>

        * rtl.h (print_insn): Fix prototype.

2015-10-13  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (reduction_phi): Handle cases that gimple_uid is 0 or
        -1.  Add assert that returned entry matches phi argument.
        (parallelize_loops): Move calls to init_stmt_vec_info_vec and
        free_stmt_vec_info_vec ...
        (gather_scalar_reductions): ... here.  Initialize gimple_uids of phis
        with -1.

2014-10-13  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR tree-optimization/67909, 67947
        * tree-ssa-loop-unswitch.c (find_loop_guard): Add check that GUARD_EDGE
        really skip the inner loop.

2015-10-13  Jeff Law  <law@redhat.com>

        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Allow single block jump threading paths.

2015-10-13  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/67476
        * doc/invoke.texi (@item parloops-schedule): New item.
        * params.def (PARAM_PARLOOPS_SCHEDULE): New DEFPARAMENUM5.
        * tree-parloops.c: Include params-enum.h.
        (create_parallel_loop): Handle PARAM_PARLOOPS_SCHEDULE.

2015-10-13  Tom de Vries  <tom@codesourcery.com>

        * Makefile.in (PARAMS_H, PLUGIN_HEADERS): Add params-enum.h.
        * params-enum.h: New file.
        * opts.c (handle_param): Handle case that param arg is a string.
        * params-list.h: Handle DEFPARAMENUM5 in params.def.
        * params.c (find_param): New function, factored out of ...
        (set_param_value): ... here.
        (param_string_value_p): New function.
        * params.h (struct param_info): Add value_names field.
        (find_param, param_string_value_p): Declare.

2015-10-13  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/67476
        * omp-low.c (expand_omp_for_generic): Handle original loop tree.

2015-10-13  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_analyze_data_ref_dependences): Allocate
        the data dependence vector.
        (vect_peeling_hash_insert): Get the peeling hash table as argument.
        (vect_peeling_hash_get_lowest_cost): Likewise.
        (vect_enhance_data_refs_alignment): Adjust.
        (struct _vect_peel_info, struct _vect_peel_extended_info,
        struct peel_info_hasher): Move from ...
        * tree-vectorizer.h: ... here.
        (LOOP_VINFO_COST_MODEL_MIN_ITERS): Remove.
        (LOOP_VINFO_PEELING_HTAB): Likewise.
        (struct _loop_vec_info): Remove min_profitable_iters and
        peeling_htab members.
        * tree-vect-loop.c (new_loop_vec_info): Do not allocate vectors
        here.
        (destroy_loop_vec_info): Adjust.
        (vect_analyze_loop_2): Do not set LOOP_VINFO_COST_MODEL_MIN_ITERS.
        (vect_estimate_min_profitable_iters): Use LOOP_VINFO_COMP_ALIAS_DDRS
        to estimate alias versioning cost.
        * tree-vect-slp.c (vect_analyze_slp_cost): Dump header.

2015-10-13  Richard Sandiford  <richard.sandiford@arm.com>

        * real.h (real_isinteger): Declare.
        * real.c (real_isinteger): New function.
        * match.pd: Simplify pow(|x|,y) and pow(-x,y) to pow(x,y)
        if y is an even integer.

2015-10-11  Jan Hubicka  <hubicka@ucw.cz>

        revert:
        2015-10-11  Jan Hubicka  <hubicka@ucw.cz>
        * cgraphbuild.c (compute_call_stmt_bb_frequency): Use
        counts when these are more informative.

2015-10-12  Jeff Law  <law@redhat.com>

        * tree-ssa-threadbackward.c (get_gimple_control_stmt): New function.
        (fsm_find_control_stmt_paths): Change name of first argument to
        more accurately relfect what it really is.  Handle simplification
        of GIMPLE_COND after finding a thread path for NAME.
        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Allow
        nontrivial conditions to be handled by FSM threader.
        (thread_through_normal_block): Extract the name to looup via
        FSM threader from COND_EXPR.

        * tree-ssa-threadbackward.c (fsm_find_thread_path): Remove
        restriction that traced SSA_NAME is a user variable.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/67476
        * omp-low.c (expand_omp_for_generic): Add missing phis.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/67476
        * omp-low.c (expand_omp_for_generic): Handle simple latch.

2015-10-12  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/aarch64/aarch64-simd-builtins.def: Update builtins
        tables: add tbl3 and tbx4.
        * config/aarch64/aarch64-simd.md (aarch64_tbl3v8qi): New.
        (aarch64_tbx4v8qi): New.
        * config/aarch64/arm_neon.h (vtbl3_s8, vtbl3_u8, vtbl3_p8)
        (vtbl4_s8, vtbl4_u8, vtbl4_p8, vtbx4_s8, vtbx4_u8, vtbx4_p8):
        Rewrite using builtin functions.
        * config/aarch64/iterators.md (UNSPEC_TBX): New.

2015-10-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/rs6000/rs6000.h (RS6000_ALIGN): Implement using
        ROUND_UP macro.
        * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_flush):
        Use ROUND_UP and ROUND_DOWN macros where applicable.
        (rs6000_darwin64_record_arg_flush): Ditto.
        (rs6000_function_arg): Use ROUND_UP to calculate align_words.
        (rs6000_emit_probe_stack_range): Use ROUND_DOWN to calculate
        rounded_size.

2015-10-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/aarch/aarch64.h (AARCH64_ROUND_UP): Remove.
        (AARCH64_ROUND_DOWN): Ditto.
        * config/aarch64/aarch64.c: Use ROUND_UP instead of AARCH64_ROUND_UP.

2015-10-12  Richard Biener  <rguenther@suse.de>

        PR ipa/67783
        * ipa-inline-analysis.c (estimate_function_body_sizes): Re-add
        code that analyzes IVs on each stmt but in a cheaper way avoiding
        quadratic behavior.

2015-10-12  Nick Clifton  <nickc@redhat.com>

        * config/msp430/msp430.c (msp430_mcu_names): Rename to
        msp430_mcu_data, add fields for ISA and hardware multiply
        support.  Import latest data from the devices.csv file.
        (msp430_override_option): Use the data from the new array.
        (msp430_use_f5_series_hwmult): Likewise.
        (use_32bit_hwmult): Likewise.
        (msp430_no_hwmult): Likewise.
        * config/msp430/t-msp430 (MULTILIB_MATCHES): Add matches for new
        MCU names.
        * doc/invoke.texi (MSP430 Options): Note that if the MCU name is
        not recognised then no hardware multiply support is assumed and
        that only the MSP430 ISA is allowed.

2015-10-12  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_analyze_loop_operations): Move cost
        related code ...
        (vect_analyze_loop_2): ... here.

2015-10-11  Jason Merrill  <jason@redhat.com>

        PR c++/67557
        * expr.c (store_field): Call store_constructor directly when
        storing a CONSTRUCTOR into a target smaller than its type.
        Guard against unsafe bitwise copy.

2015-10-11  Jan Hubicka  <hubicka@ucw.cz>

        * cgraphbuild.c (compute_call_stmt_bb_frequency): Use
        counts when these are more informative.

2015-10-11  Jan Hubicka  <hubicka@ucw.cz>

        * tree-profile.c (tree_profiling): Do not clear
        pure/const when not instrumenting.
        (pass tree_profile): Add dump of symtab.

2015-10-11  Jan Hubicka  <hubicka@ucw.cz>

        * fold-const.c (fold_comparsion): Pass OEP_ADDRESS_OF when comparing
        addresses.
        (fold_addr_of_array_ref_difference): Likewise.

2015-10-11  Jeff Law  <law@redhat.com>

        * tree-ssa-threadedge.c (fsm_find_thread_path): Moved from here into
        tree-ssa-threadbackward.c.
        (fsm_find_control_statement_thread_paths): Likewise.
        (thread_through_normal_block): Break out FSM bits and move them
        into a new function in tree-ssa-threadbackward.c.  Call new function
        instead.
        Minimize header file usage.
        * tree-ssa-threadbackward.h: New file.
        * tree-ssa-threadbackward.c: Likewise.
        * Makefile.in (OBJS): Add tree-ssa-threadbackward.o

2015-10-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.h (ALPHA_ROUND): Implement using ROUND_UP macro.

2015-10-11  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/67864
        * bb-reorder (reorder_basic_blocks_simple): Prefer existing
        fallthrough edges for conditional jumps.  Don't sort candidate
        edges if not optimizing for speed.

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (REVERSE_CONDITION): New default definition.
        * jump.c (reversed_comparison_code_parts): Adjust.

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * builtins.c (expand_builtin_setjmp_receiver): Don't use #if to
        check HARD_FRAME_POINTER_IS_ARG_POINTER.

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (FRAME_ADDR_RTX): New default definition.
        * builtins.c (expand_builtin_return_addr): Adjust.

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (DYNAMIC_CHAIN_ADDRESS): New default definition.
        * builtins.c (expand_builtin_return_addr): Adjust.

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (SETUP_FRAME_ADDRESSES): New default definition.
        * builtins.c (expand_builtin_return_addr): Adjust.
        * doc/tm.texi: Likewise.
        * doc/tm.texi.in: Likewise.
        * except.c (expand_builtin_unwind_init): Likewise.

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * builtins.c (expand_builtin_return_addr): Adjust.
        * defaults.h (INITIAL_FRAME_ADDRESS_RTX): New default definition.

2015-10-10  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (type_with_interoperable_signedness): New.
        (gimple_canonical_types_compatible_p): Use it.
        * tree.h (type_with_interoperable_signedness): Declare

2015-10-10  Jan Hubicka  <hubicka@ucw.cz>

        * fold-const.c (operand_equal_p): Document OEP_ADDRESS_OF
        and OEP_CONSTANT_ADDRESS_OF; skip type compatibility checks
        when OEP_ADDRESS_OF is se.

2015-10-10  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-dependences.c (scop_get_dependences): Add dump of the
        data dependence graph.
        * graphite-poly.c (print_isl_union_map): New.
        (debug_isl_union_map): New.
        * graphite-poly.h (print_isl_union_map): Declare.
        (debug_isl_union_map): Declare.

2015-10-10  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (print_iteration_domain): Remove verbosity.
        Remove OpenScop formatting.
        (print_iteration_domains): Same.
        (debug_iteration_domain): Same.
        (debug_iteration_domains): Same.
        (print_pdr): Same.
        (debug_pdr): Same.
        (dump_gbb_cases): Same.
        (dump_gbb_conditions): Same.
        (print_pdrs): Same.
        (debug_pdrs): Same.
        (print_pbb_body): Same.
        (print_pbb): Same.
        (print_scop_params): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (debug_pbb_domain): Same.
        (debug_pbb): Same.
        (debug_scop_context): Same.
        (debug_scop): Same.
        (debug_scop_params): Same.
        * graphite-poly.h: Same.
        * graphite.c (graphite_transform_loops): Same.

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * function.c (stack_protect_epilogue): Remove as_a<rtx_insn *> ()
        call that isn't needed.

2015-10-09  Jeff Law  <law@redhat.com>

        * tree-ssanames.c (flush_ssaname_freelist): Use splice and truncate
        rather than moving each name to the freelist individually.

2015-10-09  Steve Ellcey  <sellcey@imgtec.com>

        * config.gcc (mips*-*-*): Add frame-header-opt.o to extra_objs.
        * frame-header-opt.c: New file.
        * config/mips/mips-proto.h (mips_register_frame_header_opt):
        Add prototype.
        * config/mips/mips.c (mips_compute_frame_info): Check
        optimize_call_stack flag.
        (mips_option_override): Register new frame_header_opt pass.
        (mips_frame_info, mips_int_mask, mips_shadow_set,
        machine_function): Move these types to...
        * config/mips/mips.h: here.
        (machine_function): Add does_not_use_frame_header and
        optimize_call_stack fields.
        * config/mips/t-mips (frame-header-opt.o): Add new make rule.
        * doc/invoke.texi (-mframe-header-opt, -mno-frame-header-opt):
        Document new flags.
        * config/mips/mips.opt (mframe-header-opt): Add new option.

2015-10-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c
        (expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Use
        ROUND_DOWN where applicable.

2015-10-09  Jeff Law  <law@redhat.com>

        * tree-vect-stmts.c (free_stmt_vec_info): Free the LHS of the
        correct statement.

2015-10-09  Renlin Li  <renlin.li@arm.com>

        * config/arm/neon.md (neon_vuzp<mode>_insn): Add & modifier for
        operands[0] and operands[2].
        (neon_vtrn<mode>_insn): Likewise.
        (neon_vzip<mode>_insn): Likewise.

2015-10-09  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * match.pd: ((X inner_op C0) outer_op C1) New pattern.
        ((X & C2) << C1): Expand to...
        (X {&,^,|} C2 << C1): ...This.
        ((X & C2) >> C1): Expand to...
        (X {&,^,|} C2 >> C1): ...This.

2015-10-09  Alexander Fomin  <alexander.fomin@intel.com>

        PR target/67895
        * config/i386/sse.md (define_insn "sse_cvtsi2ss<round_name>"):
        Adjust embedded rounding/SAE specifier position.
        (define_insn "sse_cvtsi2ssq<round_name>"): Likewise.
        (define_insn "cvtusi2<ssescalarmodesuffix>32<round_name>"): Likewise.
        (define_insn "cvtusi2<ssescalarmodesuffix>64<round_name>"): Likewise.
        (define_insn "sse2_cvtsi2sdq<round_name>"): Likewise.
        (define_insn "avx512dq_rangep<mode><mask_name><round_saeonly_name>"):
        Likewise.
        (define_insn "avx512dq_ranges<mode><round_saeonly_name>"): Likewise.

2015-10-09  Martin Jambor  <mjambor@suse.cz>

        tree-optimization/67794
        * tree-sra.c (replace_removed_params_ssa_names): Do not distinguish
        between types of state,ents but accept original definitions as a
        parameter.
        (ipa_sra_modify_function_body): Use FOR_EACH_SSA_DEF_OPERAND to
        iterate over definitions.

2015-10-09  James Norris  <jnorris@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_offload_options): New.
        (TARGET_OFFLOAD_OPTIONS): New.

2015-10-09  Alexandre Oliva <aoliva@redhat.com>

        PR middle-end/67891
        * cfgexpand.c (set_parm_rtl): Drop is_gimple_reg test.

        PR middle-end/67766
        * function.c (expand_function_end): Move return value
        promotion past the handling of PARALLELs and CONCATs.

        PR rtl-optimization/67828
        * tree-ssa-loop-unswitch.c: Include tree-ssa.h.
        (tree_may_unswitch_on): Don't unswitch on expressions
        involving undefined values.

2015-10-09  Richard Biener  <rguenther@suse.de>

        * genmatch.c (print_operand): Fix formatting.
        (dt_node::append_simplify): Warn for multiple simplifiers
        that match the same pattern.
        * match.pd (log (exp @0)): Remove duplicates.

2015-10-09  Richard Biener  <rguenth@suse.de>

        PR target/67366
        * gimple-fold.c (optabs-query.h): Include
        (gimple_fold_builtin_memory_op): Allow unaligned stores
        when movmisalign_optabs are available.

2015-10-09  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/67366
        * config/arm/arm.md (movmisalign<mode>): New.
        * config/arm/iterators.md (HSI): New.

2015-10-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67891
        * gimple-match.h (gimple_simplified_result_is_gimple_val):
        New helper.
        (gimple_resimplify1): Declare.
        (gimple_resimplify2): Likewise.
        (gimple_resimplify3): Likewise.
        * gimple-match-head.c (gimple_resimplify1): Export.
        (gimple_resimplify2): Likewise.
        (gimple_resimplify3): Likewise.
        (maybe_push_res_to_seq): Use gimple_simplified_result_is_gimple_val.
        * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
        * tree-ssa-sccvn.c (visit_reference_op_load): Use gimple_resimplify1
        to avoid creating stmts without VN info.

2015-10-08  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_item::compare_symbol_references): Fix use
        of availability.

2015-10-08  Jeff Law  <law@redhat.com>

        * value-prof.c (gimple_ic): Add missing calls to unlink_stmt_vdef
        and release_ssa_name in two places.
        (gimple_stringop_fixed_value): Similarly.

        * tree-ssa-loop-im.c (rewrite_bittest): Add missing call to
        release_defs.

        * tree-stdarg.c (expand_ifn_va_arg_1): Add missing call to
        unlink_stmt_vdef and release_ssa_name_fn.

        * tree-ssa-dse.c (dse_optimize_stmt): Add missing call to
        release_defs.

2015-10-08  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_compute_frame_layout): Round up the
        SSE register save area to 16 bytes only if the incoming stack
        boundary is no less than 16 bytes.

2015-10-08  Jeff Law  <law@redhat.com>

        * tree-ssa-phiopt.c (factor_out_conversion): Add missing calls to
        release_ssa_name.  Fix typo in comment.

2015-10-08  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.h (struct machine_function): Add comment.
        * config/nvptx/nvptx.c (nvptx_declare_function_name): Functions
        may return pointer as well as in memory.
        (nvptx_output_return): Likewise.

2015-10-08  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (fold_builtin_sqrt, fold_builtin_cbrt): Delete.
        (fold_builtin_1): Update accordingly.  Handle constant arguments here.
        * match.pd: Add rules previously handled by fold_builtin_sqrt
        and fold_builtin_cbrt.

2015-10-08  Richard Sandiford  <richard.sandiford@arm.com>

        * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): New param.
        * doc/invoke.texi (--param max-ssa-name-query-depth): Document.
        * fold-const.h (tree_unary_nonnegative_warnv_p)
        (tree_single_nonnegative_warnv_p, tree_call_nonnegative_warnv_p)
        (tree_expr_nonnegative_warnv_p): Add depth parameters.
        * fold-const.c: Include gimple-fold.h and params.h.
        (tree_ssa_name_nonnegative_warnv_p): New function.
        (tree_unary_nonnegative_warnv_p, tree_binary_nonnegative_warnv_p)
        (tree_single_nonnegative_warnv_p, tree_call_nonnegative_warnv_p)
        (tree_invalid_nonnegative_warnv_p, tree_expr_nonnegative_warnv_p):
        Add a depth parameter and increment it for recursive calls to
        tree_expr_nonnegative_warnv_p.  Use tree_ssa_name_nonnegative_warnv_p
        to handle SSA names.
        * gimple-fold.h (gimple_val_nonnegative_real_p): Delete.
        (gimple_stmt_nonnegative_warnv_p): Declare.
        * tree-vrp.c (remove_range_assertions): Remove assert that condition
        cannot be proven false.
        (gimple_assign_nonnegative_warnv_p, gimple_call_nonnegative_warnv_p)
        (gimple_stmt_nonnegative_warnv_p): Move to...
        * gimple-fold.c: ...here.  Add depth parameters and pass them
        down to the tree routines.  Accept statements that aren't
        assignments or calls but just return false for them.
        (gimple_val_nonnegative_real_p): Delete.
        * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Use
        tree_expr_nonnegative_p instead of gimple_val_nonnegative_real_p.
        Check HONOR_NANs first.

2015-10-08  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (meet_with_1): Make the argument of abs signed.  Remove
        unnecessary MIN.

2015-10-08  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * tree-vect-loop.c (vect_analyze_loop_operations): Skip virtual phi
        in the tail of outer-loop.

2015-10-08  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_xcoff_debug_unwind_info): Always
        return UI_NONE.

2015-10-08  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * tree-ssa-loop-unswitch.c: Include "gimple-iterator.h" and
        "cfghooks.h", add prototypes for introduced new functions.
        (tree_ssa_unswitch_loops): Use from innermost loop iterator, move all
        checks on ability of loop unswitching to tree_unswitch_single_loop;
        invoke tree_unswitch_single_loop or tree_unswitch_outer_loop depending
        on innermost loop check.
        (tree_unswitch_single_loop): Add all required checks on ability of
        loop unswitching under zero recursive level guard.
        (tree_unswitch_outer_loop): New function.
        (find_loop_guard): Likewise.
        (empty_bb_without_guard_p): Likewise.
        (used_outside_loop_p): Likewise.
        (get_vop_from_header): Likewise.
        (hoist_guard): Likewise.
        (check_exit_phi): Likewise.

2015-10-08  Marek Polacek  <polacek@redhat.com>

        * tree-ssa-reassoc.c (dump_ops_vector): Print newline after each
        ops element.

2015-10-08  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR c/65345
        * config/s390/s390.c (s390_atomic_assign_expand_fenv): Use
        create_tmp_var_raw instead of create_tmp_var.

2015-10-07  Jan Hubicka  <hubicka@ucw.cz>

        * expr.c (store_expr_with_bounds): Handle aggregate moves from
        BLKmode.
        * gimple-expr.c (useless_type_conversion_p): Do not use TYPE_CANONICAL
        to define gimple type system; compare aggregates only by size.

2015-10-07  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (optimize_stmt): Don't set LOOPS_NEED_FIXUP here.
        * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Do it
        here instead.  Tighten test to avoid setting LOOPS_NEED_FIXUP
        unnecessarily.

2015-10-07  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-dependences.c (scop_get_dependences): Do not use SCOP_BBS.
        * graphite-isl-ast-to-gimple.c (get_max_schedule_dimensions): Same.
        (generate_isl_schedule): Same.
        * graphite-optimize-isl.c (scop_get_domains): Same.
        (apply_schedule_map_to_scop): Same.
        * graphite-poly.c (print_iteration_domains): Same.
        (remove_gbbs_in_scop): Same.
        (new_scop): Same.
        (free_scop): Same.
        (print_scop): Same.
        * graphite-poly.h (struct scop): Rename bbs to pbbs.
        (SCOP_BBS): Remove.
        * graphite-scop-detection.c (compare_bb_depths): Remove.
        (graphite_sort_dominated_info): Remove.
        (try_generate_gimple_bb): Move out of scop_detection.
        (all_non_dominated_preds_marked_p): Remove.
        (build_scop_bbs_1): Remove.
        (build_scop_bbs): Remove.
        (nb_pbbs_in_loops): Do not use SCOP_BBS.
        (find_scop_parameters): Same.
        (sese_dom_walker): Rename gather_bbs.
        (before_dom_children): Call try_generate_gimple_bb and collect gbb
        and pbb.
        (build_scops): Call gather_bbs.
        * graphite-sese-to-poly.c (build_scop_scattering): Do not use SCOP_BBS.
        (add_conditions_to_constraints): Same.
        (build_scop_iteration_domain): Same.
        (build_scop_drs): Same.
        (new_pbb_from_pbb): Same.
        * sese.c (new_sese_info): Create bbs.
        * sese.h (struct sese_info_t): Add bbs.

2015-10-07  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/xcoff.h (ASM_PREFERRED_EH_DATA_FORMAT): Use 64-bit
        encoding in 64-bit mode.

2015-10-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66697
        * config/i386/i386.c (ix86_option_override_internal): Always use
        8-byte minimum stack boundary in 64-bit mode.
        (ix86_compute_frame_layout): Remove assert on INCOMING_STACK_BOUNDARY.
        (ix86_emit_save_reg_using_mov): Support unaligned SSE store.
        Add a REG_CFA_EXPRESSION note if needed.
        (ix86_emit_restore_sse_regs_using_mov): Support unaligned SSE load.
        (ix86_handle_force_align_arg_pointer_attribute): New.
        (ix86_minimum_incoming_stack_boundary): Remove TARGET_64BIT check.
        (ix86_attribute_table): Set ix86_force_align_arg_pointer_string
        with ix86_handle_force_align_arg_pointer_attribute.
        * config/i386/i386.h (MIN_STACK_BOUNDARY): Set to BITS_PER_WORD.

2015-10-07  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (parameter_index_in_region): Remove
        use of SESE_ADD_PARAMS.
        (find_scop_parameters): Same.
        * sese.c (new_sese_info): Same.
        * sese.h (struct sese_info_t): Remove add_params.
        (SESE_ADD_PARAMS): Remove.

2015-10-07  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (translate_isl_ast_to_gimple): Use
        an sese_info_p.
        (copy_def): Same.
        (copy_internal_parameters): Same.
        (translate_isl_ast_to_gimple): Use an sese_l.
        (build_iv_mapping): Same.
        * graphite-poly.c (new_sese): Rename new_sese_info.
        (free_sese): Rename free_sese_info.
        * graphite-poly.h (struct scop): Use an sese_info_p.
        (scop_set_region): Same.
        * graphite-scop-detection.c (struct sese_l): Moved...
        (get_entry_bb): Moved...
        (get_exit_bb): Moved...
        (parameter_index_in_region_1): Use an sese_info_p.
        (parameter_index_in_region): Same.
        (scan_tree_for_params): Same.
        (find_params_in_bb): Same.
        (sese_dom_walker): Use an sese_l.
        * graphite-sese-to-poly.c (remove_invariant_phi): Same.
        (reduction_phi_p): Same.
        (parameter_index_in_region_1): Use an sese_info_p.
        (propagate_expr_outside_region): Use an sese_l.
        * graphite.c: Replace uses of SCOP_REGION.
        * sese.c (sese_record_loop): Use an sese_info_p.
        (build_sese_loop_nests): Same.
        (sese_build_liveouts_use): Same.
        (sese_build_liveouts_bb): Same.
        (sese_build_liveouts_bb): Same.
        (sese_bad_liveouts_use): Same.
        (sese_reset_debug_liveouts_bb): Same.
        (sese_build_liveouts): Same.
        (new_sese): Renamed new_sese_info.
        (free_sese): Renamed free_sese_info.
        (set_rename): Use an sese_info_p.
        (graphite_copy_stmts_from_block): Same.
        (copy_bb_and_scalar_dependences): Same.
        (outermost_loop_in_sese_1): Use an sese_l.
        (outermost_loop_in_sese): Same.
        (if_region_set_false_region): Use an sese_info_p.
        (move_sese_in_condition): Same.
        (scalar_evolution_in_region): Use an sese_l.
        * sese.h (struct sese_l): ... here.
        (SESE_ENTRY): Remove.
        (SESE_ENTRY_BB): Remove.
        (SESE_EXIT): Remove.
        (SESE_EXIT_BB): Remove.
        (sese_contains_loop): Use an sese_info_p.
        (sese_nb_params): Same.
        (bb_in_sese_p): Use an sese_l.
        (stmt_in_sese_p): Same.
        (defined_in_sese_p): Same.
        (loop_in_sese_p): Same.
        (sese_loop_depth): Same.
        (struct ifsese_s): Use an sese_info_p.
        (gbb_loop_at_index): Use an sese_l.
        (nb_common_loops): Same.
        (scev_analyzable_p): Same.

2015-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_conditional_register_usage): Use
        CALL_USED_REGISTERS_MASK.
        * config/i386/i386.h (CALL_USED_REGISTERS_MASK): New macro.

2015-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/67385
        * configure.ac (gcc_cv_readelf): Check $READELF_FOR_TARGET.
        * configure: Regenerated.

2015-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/67850
        * config/i386/i386.c (ix86_maybe_switch_abi): Merged with ...
        (ix86_set_current_function): This.
        (TARGET_EXPAND_TO_RTL_HOOK): Removed.

2015-10-07  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (stmt_vec_info_vec): Use vec<stmt_vec_info>.
        (vinfo_for_stmt): Adjust.
        (set_vinfo_for_stmt): Likewise.
        * tree-vectorizer.c (stmt_vec_info_vec): Likewise.
        * tree-vect-stmts.c (free_stmt_vec_info_vec): Likewise.
        * tree-vect-loop.c (new_loop_vec_info): Remove special-casing
        of inner loop.
        (vect_analyze_loop_1): Remove.
        (vect_analyze_loop_form_1): Avoid building a loop_vec_info for
        inner loop when vectorizing an outer loop by splitting out from ...
        (vect_analyze_loop_form): ... here.

2015-10-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR c/65345
        * config/arm/arm-builtins.c (arm_atomic_assign_expand_fenv):
        Use create_tmp_var_raw instead of create_tmp_var.

2015-10-07  Richard Sandiford  <richard.sandiford@arm.com>

        * real.h (dconst_quarter, dconst_sixth, dconst_ninth): New macros.
        (dconst_quarter_ptr, dconst_sixth_ptr, dconst_ninth_ptr): Declare.
        * real.c (CACHED_FRACTION): New helper macro.
        (dconst_third_ptr): Use it.
        (dconst_quarter_ptr, dconst_sixth_ptr, dconst_ninth_ptr): New.
        * builtins.c (fold_builtin_sqrt): Use dconst_quarter and
        dconst_sixth.
        (fold_builtin_cbrt): Use dconst_sixth and dconst_ninth.

2015-10-06  Jeff Law  <law@redhat.com>

        PR tree-optimization/67816
        * tree-ssa-threadupdate.h (remove_jump_threads_including): Renamed
        from remove_jump_threads_starting_at.  Accept an edge rather than
        a basic block.
        * tree-ssa-threadupdate.c (removed_edges): New hash table.
        (remove_jump_threads_including): Note edges that get removed from
        the CFG for later pruning of jump threading paths including them.
        (thread_through_all_blocks): Remove paths which include edges that
        have been removed.
        * tree-ssa-dom.c (optimize_stmt): Call remove_jump_threads_including
        on each outgoing edges when optimizing away a control statement.

2015-10-06  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * reorg.c (emit_delay_sequence): Store list of delay slot insns
        in a vector instead of rtx_insn_list.
        (add_to_delay_list): Likewise.
        (delete_from_delay_slot): Likewise.
        (optimize_skip): Likewise.
        (redirect_with_delay_list_safe_p): Likewise.
        (check_annul_list_true_false): Likewise.
        (steal_delay_list_from_target): Likewise.
        (steal_delay_list_from_fallthrough): Likewise.
        (redundant_insn): Likewise.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        (fill_eager_delay_slots): Likewise.
        (relax_delay_slots): Likewise.

2015-10-06  Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2.c (nios2_symbol_ref_in_small_data_p):
        For -mgpopt=local, also exclude unintialized common symbols.
        * doc/invoke.texi (Nios II Options): Document the change.

2015-10-07  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * config/aarch64/iterators.md (vwcore): Add missing cases for
         V4HF/V8HF modes.

2015-10-06  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (new_scop): Initialize drs.
        * graphite-poly.h (struct dr_info): New.
        (struct scop): Add drs.
        * graphite-sese-to-poly.c (pdr_add_alias_set): Use dr_info.
        (pdr_add_memory_accesses): Same.
        (build_poly_dr): Same.
        (build_alias_set): Same.
        (build_scop_drs): Same.
        (build_pbb_drs): Remove.
        * tree-data-ref.c (create_data_ref): Do not initialize alias_set.
        * tree-data-ref.h (data_reference): Remove alias_set.

2015-10-06  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (free_data_refs_aux): Remove.
        (free_gimple_poly_bb): Do not call free_data_refs_aux.
        * graphite-poly.h (struct base_alias_pair): Remove.
        * graphite-sese-to-poly.c (pdr_add_alias_set): Remove all uses of
        base_alias_pair and dr->aux.
        (build_alias_set): Same.
        * tree-data-ref.c (create_data_ref): Initialize alias_set.
        * tree-data-ref.h (data_reference): Add alias_set.

2015-10-06  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (new_poly_dr): Remove dr_base_object_set.
        Do not set PDR_BASE_OBJECT_SET.
        * graphite-poly.h (poly_dr): Same.
        (PDR_BASE_OBJECT_SET): Remove.
        (new_poly_dr): Update decl.
        * graphite-sese-to-poly.c (build_poly_dr): Update call to
        new_poly_dr.
        (write_alias_graph_to_ascii_dimacs): Remove.
        (write_alias_graph_to_ascii_dot): Remove.
        (write_alias_graph_to_ascii_ecc): Remove.
        (dr_same_base_object_p): Remove.
        (build_alias_set_optimal_p): Rename build_alias_set.  Remove dead
        code.
        (build_base_obj_set_for_drs): Remove.
        (dump_alias_graphs): Remove.
        (build_scop_drs): Remove dead code.

2015-10-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
            Peter Bergner  <bergner@vnet.ibm.com>

        PR target/67808
        * config/rs6000/rs6000.md (extenddftf2): In the expander, only
        allow registers, but provide insns for the combiner to create for
        loads from memory. Separate VSX code from non-VSX code. For
        non-VSX code, combine extenddftf2_fprs into extenddftf2 and rename
        externaldftf2_internal to externaldftf2_fprs. Reorder constraints
        so that registers come before memory operations. Drop support from
        converting DFmode to TFmode, if the DFmode value is in a GPR
        register.
        (extenddftf2_fprs): Likewise.
        (extenddftf2_internal): Likewise.
        (extenddftf2_vsx): Likewise.
        (extendsftf2): In the expander, only allow registers, but provide
        insns for the combiner to create for stores and loads.

2015-10-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * varasm.c (default_elf_asm_named_section): Remove ATTRIBUTE_UNUSED
        from the decl parameter.

2015-10-06  Nathan Sidwell  <nathan@codesourcery.com>

        PR 67861
        * gimple-fold.c (gimple_fold_builtin): Add break after
        BUILT_IN_PRINTF_CHK, BUILT_IN_VPRINTF_CHK folding.

2015-10-06  H.J. Lu  <hongjiu.lu@intel.com>

        * graphite-optimize-isl.c (optimize_isl): Rename scop->ctx
        to scop->isl_context.

2015-10-06  Eric Botcazou  <ebotcazou@adacore.com>

        * config/arm/arm.c (arm_emit_probe_stack_range): Adjust comment.
        (output_probe_stack_range): Rotate the loop and simplify.
        (thumb1_expand_prologue): Tweak sorry message.
        * config/arm/arm.md (probe_stack): Use bare string.

2015-10-06  Nick Clifton  <nickc@redhat.com>

        * config.gcc (lm32-elf): Add newlib-stdint.h to tm_file.

2015-10-06  Nick Clifton  <nickc@redhat.com>

        * config/msp430/msp430.c (ATTR_NOINIT): New constant.
        (ATTR_PERSIST): New constant.
        (msp430_data_attr): New function - verifies an attribute that only
        applies to variables.
        (msp430_attributes): Add noinit and persistent attributes.
        (noinit_section): New variable.
        (presis_section): New variable.
        (TARGET_ASM_INIT_SECTIONS): Define.
        (msp430_init_sections): New function - initialises the noinit and
        persist section variables.
        (msp430_select_section): Add support for noinit and persist
        attributes.
        (msp430_section_type_flags): Likewise.
        * doc/extend.texi:  Document the reent, critical, wakeup, noinit
        and persistent attributes.

2015-10-05  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-dependences.c (scop_get_transformed_schedule): Remove.
        (no_violations): Remove.
        (subtract_commutative_associative_deps): Remove.
        (compute_deps): Do not call subtract_commutative_associative_deps.
        (transform_is_safe): Remove.
        (graphite_legal_transform): Remove.
        * graphite-poly.h (graphite_legal_transform): Remove.

2015-10-05  Aditya Kumar  <hiraditya@msn.com>

        * graphite-sese-to-poly.c (build_loop_iteration_domains): Only loops
        which are in this region are passed so gcc_assert and remove redundant
        computation.
        * sese.c (sese_build_liveouts): Pass only those bbs which are not
        in region.
        (sese_bad_liveouts_use): Only BBs which are not in region are passed so
        gcc_assert on that and remove unnecessary computation.
        (sese_build_liveouts_use): Same.

2015-10-05  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-dependences.c (scop_get_reads): Renamed scop->context
        to scop->param_context.
        (scop_get_must_writes): Same.
        (scop_get_may_writes): Same.
        (scop_get_original_schedule): Same.
        (scop_get_transformed_schedule): Same.
        (subtract_commutative_associative_deps): Same.
        * graphite-isl-ast-to-gimple.c (add_parameters_to_ivs_params): Same.
        (generate_isl_context): Same.
        (generate_isl_schedule): Same.
        (scop_to_isl_ast): Same.
        (graphite_regenerate_ast_isl): Same.
        * graphite-optimize-isl.c (scop_get_domains): Same.
        (optimize_isl): Renamed scop->context to scop->param_context.
        * graphite-poly.c (new_poly_bb): Change the type of argument to
        gimple_poly_bb_p.
        (new_scop): Renamed scop->context to scop->param_context.
        (free_scop): Same.
        (print_scop_context): Same.
        * graphite-poly.h (new_poly_dr): Change the type of argument from
        void* to data_reference_p.
        (struct poly_bb): Change the type of black_box to gimple_poly_bb_p.
        (new_poly_bb): Change the type of argument from void* to
        gimple_poly_bb_p.
        (pbb_set_black_box): Same.
        (struct scop): Rename context to param_context, ctx to isl_context.
        * graphite-scop-detection.c (scop_detection::build_scop_bbs_1):
        Move declarations closer to assignment.
        (find_params_in_bb): Same.
        (find_scop_parameters): Same.
        * graphite-sese-to-poly.c (unsigned ssa_name_version_typesize):
        Global to be used for statement IDs.
        (isl_id_for_pbb): Use ssa_name_version_typesize.
        (simple_copy_phi_p): Move declarations closer to assignment.
        (build_pbb_scattering_polyhedrons): Same.
        (build_scop_scattering): Same.
        (isl_id_for_ssa_name): Same.
        (extract_affine_name): Same.
        (extract_affine_int): Same.
        (extract_affine): Same.
        (set_scop_parameter_dim): Use renamed member.
        (build_loop_iteration_domains): Same.
        (add_param_constraints): Same.
        (build_scop_iteration_domain): Same.
        (pdr_add_data_dimensions): Same.
        (build_poly_dr): Same.
        (build_scop_drs): Move declarations closer to assignment.
        (analyze_drs_in_stmts): Same.
        (insert_out_of_ssa_copy): Same.
        (insert_out_of_ssa_copy_on_edge): Same.
        (propagate_expr_outside_region): Same.
        (rewrite_phi_out_of_ssa): Same.
        (rewrite_degenerate_phi): Same.
        (rewrite_reductions_out_of_ssa): Same.
        (rewrite_cross_bb_scalar_dependence): Same.
        (handle_scalar_deps_crossing_scop_limits): Same.
        (rewrite_cross_bb_scalar_deps): Same.
        * graphite.c (graphite_transform_loops): Use renamed member.

2015-10-06  Uros Bizjak  <ubizjak@gmail.com>

        PR c/65345
        * config/alpha/alpha.c (alpha_atomic_assign_expand_fenv): Use
        create_tmp_var_raw instead of create_tmp_var.

2015-10-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR c/65345
        * config/aarch64/aarch64-builtins.c (aarch64_atomic_assign_expand_fenv):
        Use create_tmp_var_raw instead of create_tmp_var.

2015-10-06  Alexander Fomin  <alexander.fomin@intel.com>

        PR target/67849
        * config/i386/sse.md (define_split vec_select/V8FI): Restrict
        split for upper-bank registers when target does not support
        AVX512VL.
        (define_insn "vec_extract_lo_<mode><mask_name>"): Restrict
        split when target does not support AVX512VL.

2015-10-06  David Edelsohn  <dje.gcc@gmail.com>

        PR c/65345
        * config/rs6000/rs6000.c (rs6000_atomic_assign_expand_fenv):
        Adjust to use create_tmp_var_raw instead of create_tmp_var.

2015-10-06  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_rtx_costs): Improve cost estimates for
        multiplication.

2015-10-06  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>

        * config.gcc (i[34567]86-*-linux* | ...): Add znver1.
        (case ${target}): Add znver1.
        * config/i386/cpuid.h(bit_CLZERO):  Define.
        * config/i386/driver-i386.c: (host_detect_local_cpu): Let
        -march=native recognize znver1 processors.
        * config/i386/i386-c.c (ix86_target_macros_internal): Add
        znver1, clzero def_and_undef.
        * config/i386/i386.c (struct processor_costs znver1_cost): New.
        (m_znver1): New definition.
        (m_AMD_MULTIPLE): Includes m_znver1.
        (processor_target_table): Add znver1 entry.
        (ix86_target_string) : Add clzero entry.
        (static const char *const cpu_names): Add znver1 entry.
        (ix86_option_override_internal): Add znver1 instruction sets.
        (PTA_CLZERO) :  New definition.
        (ix86_option_override_internal): Handle new clzerooption.
        (ix86_issue_rate): Add znver1.
        (ix86_adjust_cost): Add znver1.
        (ia32_multipass_dfa_lookahead): Add znver1.
        (has_dispatch): Add znver1.
        * config/i386/i386.h (TARGET_znver1): New definition.
        (TARGET_CLZERO): Define.
        (TARGET_CLZERO_P): Define.
        (struct ix86_size_cost): Add TARGET_ZNVER1.
        (enum processor_type): Add PROCESSOR_znver1.
        * config/i386/i386.md (define_attr "cpu"): Add znver1.
        (set_attr znver1_decode): New definitions for znver1.
        * config/i386/i386.opt (flag_dispatch_scheduler): Add znver1.
        (mclzero): New.
        * config/i386/mmx.md (set_attr znver1_decode): New definitions
        for znver1.
        * config/i386/sse.md (set_attr znver1_decode): Likewise.
        * config/i386/x86-tune.def:  Add znver1 tunings.
        * config/i386/znver1.md: Introduce znver1 cpu and include new md file.
        * doc/invoke.texi: Add details about znver1

2015-10-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67859
        * tree-ssa-pre.c (create_expression_by_pieces): Properly
        discard not inserted stmts.

2015-10-06  Jonathan Wakely  <jwakely@redhat.com>

        * doc/extend.texi (Template Instantiation): Reorder options and
        de-emphasize -frepo.
        * doc/invoke.texi (C++ Dialect Options): Use -fstrict-enums in
        example instead of -frepo.

2015-10-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR c/65345
        * config/sparc/sparc.c (sparc_atomic_assign_expand_fenv): Adjust to
        use create_tmp_var_raw rather than create_tmp_var.

2015-10-06  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vec_info): New base class for...
        (_loop_vec_info): ... this and ...
        (_bb_vec_info): ... this.
        (vect_is_simple_use, vect_is_simple_use_1, new_stmt_vec_info,
        vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
        vect_analyze_data_ref_accesses, vect_analyze_data_refs,
        vect_schedule_slp, vect_analyze_slp, vect_pattern_recog,
        vect_destroy_datarefs): Adjust interface to take a vec_info *
        rather than both a loop_vec_info and a bb_vec_info argument.
        * tree-vect-data-refs.c (vect_compute_data_refs_alignment,
        vect_verify_datarefs_alignment, vect_enhance_data_refs_alignment,
        vect_analyze_data_refs_alignment, vect_analyze_data_ref_accesses,
        vect_analyze_data_refs, vect_create_data_ref_ptr): Adjust
        accordingly.
        * tree-vect-loop.c (new_loop_vec_info): Initialize base class.
        (destroy_loop_vec_info, vect_analyze_loop_2,
        vect_is_simple_reduction_1, get_initial_def_for_induction,
        vect_create_epilog_for_reduction, vectorizable_reduction,
        vectorizable_live_operation, vect_transform_loop): Adjust.
        * tree-vect-patterns.c (type_conversion_p,
        vect_recog_widen_mult_pattern, vect_recog_widen_shift_pattern,
        vect_recog_rotate_pattern, vect_recog_vector_vector_shift_pattern,
        vect_recog_divmod_pattern, vect_recog_mixed_size_cond_pattern,
        check_bool_pattern, vect_recog_bool_pattern,
        vect_mark_pattern_stmts, vect_pattern_recog): Likewise.
        * tree-vect-slp.c (vect_get_and_check_slp_defs,
        vect_build_slp_tree_1, vect_build_slp_tree, vect_analyze_slp_cost_1,
        vect_analyze_slp_instance, vect_analyze_slp, destroy_bb_vec_info,
        vect_slp_analyze_bb_1, vect_schedule_slp): Likewise.
        (new_bb_vec_info): Initialize base classs.
        * tree-vect-stmts.c (record_stmt_cost, process_use,
        vect_get_vec_def_for_operand, vect_finish_stmt_generation,
        vectorizable_mask_load_store, vectorizable_call,
        vectorizable_simd_clone_call, vectorizable_conversion,
        vectorizable_assignment, vectorizable_shift,
        vectorizable_operation, vectorizable_store,
        vectorizable_load, vect_is_simple_cond, vectorizable_condition,
        new_stmt_vec_info, vect_is_simple_use, vect_is_simple_use_1): Likewise.
        * tree-vectorizer.c (vect_destroy_datarefs): Likewise.

2015-10-05  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR c/65345
        * config/sh/sh.c (sh_atomic_assign_expand_fenv): Adjust to use
        create_tmp_var_raw rather than create_tmp_var.

2015-10-05  Marek Polacek  <polacek@redhat.com>

        * tree-ssa-loop-im.c
        (move_computations_dom_walker::before_dom_children): Don't set
        SSA_NAME_ANTI_RANGE_P.
        * tree-ssa-phiopt.c (value_replacement): Likewise.

2015-10-05  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Increase to 7.

2015-10-05  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (new_gimple_poly_bb): ... here.
        (free_data_refs_aux): ... here.
        (free_gimple_poly_bb): ... here.
        (remove_gbbs_in_scop): ... here.
        (new_scop): Call new_sese.
        (free_scop): Call remove_gbbs_in_scop and free_sese.
        * graphite-poly.h (base_alias_pair): ... here.
        (new_gimple_poly_bb): Declare.
        (free_gimple_poly_bb): Declare.
        * graphite-scop-detection.c (parameter_index_in_region_1):
        (parameter_index_in_region): ... here.
        (scan_tree_for_params): ... here.
        (find_params_in_bb): ... here.
        (find_scop_parameters): ... here.
        (build_scops): Call find_scop_parameters.
        * graphite-sese-to-poly.c (free_gimple_poly_bb): Move...
        (free_scops): Move...
        (single_pred_cond_non_loop_exit): Move...
        (sese_dom_walker::before_dom_children): Move...
        (sese_dom_walker::after_dom_children): Move...
        (build_poly_scop): Move...
        * graphite-sese-to-poly.h (base_alias_pair): Move...
        * graphite.c (free_scops): ... here.

2015-10-05  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c: Include domwalk.h and tree-cfg.h.
        (trivially_empty_bb_p): Move...
        (same_close_phi_node): Move...
        (new_gimple_poly_bb): Move...
        (compare_bb_depths): Move...
        (graphite_sort_dominated_info): Move...
        (remove_duplicate_close_phi): Move...
        (make_close_phi_nodes_unique): Move...
        (canonicalize_loop_closed_ssa): Move...
        (canonicalize_loop_closed_ssa_form): Move...
        (loop_ivs_can_be_represented): Move...
        (single_pred_cond_non_loop_exit): Move...
        (graphite_can_represent_init): Move...
        (graphite_can_represent_scev): Move...
        (stmt_has_simple_data_refs_p): Move...
        (stmt_has_side_effects):  Move...
        (graphite_can_represent_stmt): Move...
        (scop_detection): ... here.
        (sese_dom_walker): ... and here.
        (build_scops): Call all moved functions.
        * graphite-sese-to-poly.c (try_generate_gimple_bb): Move...
        (all_non_dominated_preds_marked_p): Move...
        (build_scop_bbs_1): Move...
        (build_scop_bbs): Move...
        (set_scop_parameter_dim): Move...
        (nb_pbbs_in_loops): Move...
        (build_poly_scop): Do not call all the moved functions.

2015-10-05  Martin Jambor  <mjambor@suse.cz>
            Jan Hubicka  <hubicka@ucw.cz>

        * ipa-cp.c (ipcp_alignment_lattice): New type.
        (ipcp_param_lattices): Use the above to represent alignment.
        (ipcp_alignment_lattice::print): New function.
        (print_all_lattices): Use it to print alignment information.
        (ipcp_alignment_lattice::top_p): New function.
        (ipcp_alignment_lattice::bottom_p): Likewise.
        (ipcp_alignment_lattice::set_to_bottom): Likewise.
        (ipcp_alignment_lattice::meet_with_1): Likewise.
        (ipcp_alignment_lattice::meet_with): Two new overloaded functions.
        (set_all_contains_variable): Use set_to_bottom of alignment lattice.
        (initialize_node_lattices): Likewise.
        (propagate_alignment_accross_jump_function): Work with the new class
        for alignment lattices.
        (propagate_constants_accross_call): Pass only the alignment lattice to
        propagate_alignment_accross_jump_function.
        (ipcp_store_alignment_results): Work with the new class for alignment
        lattices.

2015-10-05  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/67821
        * tree-ssanames.c (duplicate_ssa_name_range_info): Remove an assert.

2015-10-05  Thomas Schwinge  <thomas@codesourcery.com>

        PR other/65021
        * config/i386/intelmic-mkoffload.c (mkoffload_atexit): Rename
        function to...
        (mkoffload_cleanup): ... this.  Adjust all users.
        (maybe_unlink): Look at save_temps and verbose flags instead of
        debug flag.
        (main): Parse "-save-temps" flag.
        (generate_target_descr_file, generate_target_offloadend_file)
        (generate_host_descr_file, prepare_target_image): Pass it on.
        * config/nvptx/mkoffload.c (tool_cleanup): Implement.
        (mkoffload_cleanup): New function.
        (maybe_unlink): Look at save_temps and verbose flags instead of
        debug flag.
        (main): Instead of calling utils_cleanup, register atexit handler
        for mkoffload_cleanup.
        (main): Parse "-save-temps" flag.
        (compile_native, main): Pass it on.
        * lto-wrapper.c (compile_offload_image): Likewise.

2015-10-05  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * gimple.h (gimple_op_ptr): Require a non const gimple *.
        (gimple_assign_lhs_ptr): Likewise.
        (gimple_assign_rhs1_ptr): Likewise.
        (gimple_assign_rhs2_ptr): Likewise.
        (gimple_assign_rhs3_ptr): Likewise.
        (gimple_call_lhs_ptr): Likewise.
        (gimple_call_fn_ptr): Likewise.
        (gimple_call_chain_ptr): Likewise.
                (gimple_call_arg_ptr): Likewise.
                (gimple_cond_lhs_ptr): Likewise.
        (gimple_cond_rhs_ptr): Likewise.
        (gimple_switch_index_ptr): Likewise.
        (gimple_return_retval_ptr): Likewise.

2015-10-05  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * gimple.h (gimple_asm_input_op_ptr): Remove.
        (gimple_asm_output_op_ptr): Likewise.

2015-10-05  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * gimple.h (gimple_location_ptr): Remove.
        * tree-vrp.c (check_all_array_refs): Adjust.

2015-10-05  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * tree-ssa-operands.c (build_uses): store tree * instead of
        tree.
        (finalize_ssa_uses): Adjust.
        (append_use): Likewise.
        (verify_ssa_operands): Likewise.

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

        * real.h (build_real_truncate): Declare.
        * tree.c (build_real_truncate): New function.
        (strip_float_extensions): Use it.
        * builtins.c (fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_cbrt)
        (fold_builtin_hypot, fold_builtin_pow): Likewise.
        * match.pd: Likewise.

2015-10-05 James Greenhalgh <james.greenhalgh@arm.com>
           Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.md (tlsie_tiny_sidi): Replace "<w>" with "w".

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

        * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Delete.
        * config/aarch64/aarch64.c (aarch64_float_const_zero_rtx_p)
        (aarch64_print_operand, aarch64_float_const_representable_p)
        (aarch64_output_simd_mov_immediate): Use CONST_DOUBLE_REAL_VALUE
        instead of REAL_VALUE_FROM_CONST_DOUBLE.
        * config/arc/arc.c (arc_print_operand): Likewise.
        * config/arm/arm.c (arm_const_double_rtx, vfp3_const_double_index)
        (neon_valid_immediate, arm_print_operand, arm_emit_fp16_const)
        (vfp3_const_double_for_fract_bits, vfp3_const_double_for_bits):
        Likewise.
        * config/arm/arm.md (*arm32_movhf, consttable_4, consttable_8)
        (consttable_16): Likewise.
        * config/arm/vfp.md (*movhf_vfp_neon, *movhf_vfp): Likewise.
        * config/avr/avr.c (avr_print_operand): Likewise.
        * config/bfin/bfin.md: Likewise (in a define_split).
        * config/c6x/c6x.md: Likewise (in a define_split).
        * config/cr16/cr16.c (cr16_const_double_ok): Likewise.
        (cr16_print_operand): Likewise.
        * config/cris/cris.c (cris_print_operand): Likewise.
        * config/epiphany/epiphany.c (epiphany_print_operand): Likewise.
        * config/fr30/fr30.c (fr30_print_operand): Likewise.
        (fr30_const_double_is_zero): Likewise.
        * config/frv/frv.c (frv_print_operand, output_move_single): Likewise.
        * config/frv/frv.md: Likewise (in a define_split).
        * config/frv/predicates.md (int_2word_operand): Likewise.
        * config/h8300/h8300.c (h8300_print_operand): Likewise.
        * config/i386/i386.c (standard_80387_constant_p): Likewise.
        (ix86_print_operand, ix86_split_to_parts): Likewise.
        * config/i386/i386.md: Likewise (in a define_split).
        * config/ia64/ia64.c (ia64_split_tmode, ia64_print_operand): Likewise.
        * config/iq2000/iq2000.md (movsf_lo_sum, movsf_high): Likewise.
        * config/m32r/m32r.c (easy_df_const, m32r_print_operand): Likewise.
        * config/m68k/m68k.c (handle_move_double, standard_68881_constant_p)
        (print_operand): Likewise.
        * config/m68k/m68k.md (movsf_cf_hard, movdf_cf_hard): Likewise.
        * config/mep/mep.md: Likewise (in define_split).
        * config/microblaze/microblaze.c (microblaze_const_double_ok)
        (print_operand): Likewise.
        * config/mips/mips.md (consttable_float): Likewise.
        * config/mmix/mmix.c (mmix_intval): Likewise.
        * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
        * config/nvptx/nvptx.c (nvptx_print_operand): Likewise.
        * config/pa/pa.c (pa_singlemove_string): Likewise.
        * config/pdp11/pdp11.c (pdp11_expand_operands): Likewise.
        (pdp11_asm_print_operand, legitimate_const_double_p): Likewise.
        * config/rs6000/rs6000.c (num_insns_constant, rs6000_emit_cmove)
        (output_toc): Likewise.
        * config/rs6000/rs6000.md: Likewise (in define_splits).
        * config/rx/rx.c (rx_print_operand): Likewise.
        * config/s390/s390.c (s390_output_pool_entry): Likewise.
        * config/sh/sh.c (fp_zero_operand, fp_one_operand): Likewise.
        * config/sh/sh.md (consttable_sf, consttable_df): Likewise
        (and also in define_splits).
        * config/sparc/sparc.c (fp_sethi_p, fp_mov_p): Likewise.
        (fp_high_losum_p): Likewise.
        * config/sparc/sparc.md (*movsf_insn, *movsf_lo_sum): Likewise.
        (*movsf_high): Likewise.
        * config/spu/spu.c (const_double_to_hwint): Likewise.
        * config/v850/v850.c (const_double_split): Likewise.
        * config/vax/vax.c (vax_float_literal): Likewise.
        * config/visium/visium.c (visium_expand_copysign): Likewise.
        * config/visium/visium.md: Likewise (in define_split).
        * config/xtensa/predicates.md (const_float_1_operand): Likewise.
        * config/xtensa/xtensa.c (print_operand): Likewise.
        (xtensa_output_literal): Likewise.
        * cprop.c (implicit_set_cond_p): Likewise.
        * dwarf2out.c (insert_float): Likewise.
        * expmed.c (expand_mult, make_tree): Likewise.
        * expr.c (compress_float_constant): Likewise.
        * rtlanal.c (split_double): Likewise.
        * simplify-rtx.c (avoid_constant_pool_reference): Likewise.
        (simplify_const_unary_operation, simplify_binary_operation_1)
        (simplify_const_binary_operation): Likewise.
        (simplify_const_relational_operation): Likewise.
        * varasm.c (output_constant_pool_2): Likewise.

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

        * real.h (CONST_DOUBLE_ATOF): Use const_double_from_real_value
        instead of CONST_DOUBLE_FROM_REAL_VALUE.
        (CONST_DOUBLE_FROM_REAL_VALUE): Delete.
        * config/c6x/c6x.md (divsf3, divdf3): Use const_double_from_real_value
        instead of CONST_DOUBLE_FROM_REAL_VALUE.
        * config/epiphany/epiphany.md (fixuns_truncsfsi2): Likewise.
        * config/i386/i386.c (standard_80387_constant_rtx): Likewise.
        (ix86_expand_builtin, ix86_emit_i387_log1p, ix86_emit_i387_round)
        (ix86_emit_swsqrtsf): Likewise.
        * config/ia64/ia64.c (ia64_expand_builtin): Likewise.
        * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
        (fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
        * config/pa/pa.c (pa_expand_builtin): Likewise.
        * config/rs6000/rs6000.c (rs6000_load_constant_and_splat): Likewise.
        (rs6000_scale_v2df): Likewise.
        * config/rs6000/rs6000.md (*cmptf_internal2): Likewise.
        * config/s390/s390.md (fixuns_truncdddi2, fixuns_trunctddi2)
        (fixuns_trunc<BFP:mode><GPR:mode>2): Likewise.
        * config/s390/vx-builtins.md (vec_ctd_s64, vec_ctd_u64, vec_ctsl)
        (vec_ctul): Likewise.
        * config/sparc/sparc.c (sparc_emit_fixunsdi): Likewise.
        * config/spu/spu.c (hwint_to_const_double, spu_float_const): Likewise.
        * config/spu/spu.md (floatunsdisf2, floatunstisf2): Likewise.
        * cse.c (fold_rtx): Likewise.
        * emit-rtl.c (immed_double_const): Likewise (in comments).
        (init_emit_once): Likewise.
        * expr.c (compress_float_constant, expand_expr_real_1)
        (const_vector_from_tree): Likewise.
        * optabs.c (expand_float, expand_fix): Likewise.
        * reg-stack.c (reg_to_stack): Likewise.
        * simplify-rtx.c (avoid_constant_pool_reference): Likewise.
        (simplify_const_unary_operation, simplify_binary_operation_1)
        (simplify_const_binary_operation, simplify_relational_operation)
        (simplify_immed_subreg): Likewise.

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/tm.texi.in (REAL_ARITHMETIC): Delete.
        * doc/tm.texi: Regenerate.
        * real.h (REAL_ARITHMETIC): Delete.
        * config/i386/i386.c (ix86_expand_lround, ix86_expand_round)
        (ix86_expand_round_sse4): Use real_arithmetic instead of
        REAL_ARITHMETIC.
        * config/i386/sse.md (round<mode>2): Likewise.
        * rtl.h (rtx_to_tree_code): Likewise (in comment).
        * explow.c (rtx_to_tree_code): Likewise (in comment).
        * match.pd: Likewise.
        * simplify-rtx.c (simplify_binary_operation_1): Likewise.
        * tree-ssa-math-opts.c (representable_as_half_series_p): Likewise.
        (expand_pow_as_sqrts): Likewise.
        * tree-pretty-print.c (dump_generic_node): Remove code that
        was conditional on REAL_ARITHMETIC being undefined.

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/tm.texi.in (REAL_VALUES_LESS): Delete.
        * doc/tm.texi: Regenerate.
        * real.h (real_less): Declare.
        (REAL_VALUES_LESS): Delete.
        * real.c (real_less): New function.
        (real_compare): Use it.
        * config/m68k/m68k.c (floating_exact_log2): Use real_less instead
        of REAL_VALUES_LESS.
        * config/microblaze/microblaze.c (microblaze_const_double_ok):
        Likewise.
        * fold-const.c (fold_convert_const_int_from_real): Likewise.
        * simplify-rtx.c (simplify_const_unary_operation): Likewise.
        (simplify_const_relational_operation): Likewise.
        * tree-call-cdce.c (check_pow): Likewise.
        (gen_conditions_for_pow_cst_base): Likewise.

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

        * real.h (REAL_VALUES_IDENTICAL): Delete.
        * config/m68k/m68k.c (standard_68881_constant_p): Use real_identical
        instead of REAL_VALUES_IDENTICAL.
        * fold-const.c (operand_equal_p): Likewise.
        * ipa-icf.c (sem_variable::equals): Likewise.
        * tree-complex.c (some_nonzerop): Likewise.
        (expand_complex_multiplication): Likewise.
        * tree.c (simple_cst_equal): Likewise.
        * varasm.c (compare_constant): Likewise.

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

        * real.h (real_equal): Declare.
        (REAL_VALUES_EQUAL): Delete.
        * real.c (real_equal): New function.
        (real_compare): Use it.
        * doc/tm.texi.in (REAL_VALUES_EQUAL): Delete.
        * doc/tm.texi: Regenerate.
        * builtins.c (fold_builtin_pow, fold_builtin_load_exponent): Use
        real_equal instead of REAL_VALUES_EQUAL.
        * config/aarch64/aarch64.c (aarch64_float_const_zero_rtx_p): Likewise.
        * config/arm/arm.c (arm_const_double_rtx, neon_valid_immediate)
        (fp_const_from_val): Likewise.
        * config/fr30/fr30.c (fr30_const_double_is_zero): Likewise.
        * config/m68k/m68k.c (standard_68881_constant_p): Likewise.
        (floating_exact_log2): Likewise.
        * config/sh/sh.c (fp_zero_operand, fp_one_operand): Likewise.
        * config/vax/vax.c (vax_float_literal): Likewise.
        * config/xtensa/predicates.md (const_float_1_operand): Likewise.
        * cprop.c (implicit_set_cond_p): Likewise.
        * expmed.c (expand_mult): Likewise.
        * fold-const.c (const_binop): Likewise.
        * simplify-rtx.c (simplify_binary_operation_1): Likewise.
        (simplify_const_binary_operation): Likewise.
        (simplify_const_relational_operation): Likewise.
        * tree-call-cdce.c (check_pow): Likewise.
        (gen_conditions_for_pow_cst_base): Likewise.
        * tree-inline.c (estimate_num_insns): Likewise.
        * tree-ssa-dom.c (record_equality): Likewise.
        * tree-ssa-math-opts.c (representable_as_half_series_p): Likewise.
        (gimple_expand_builtin_pow): Likewise.
        (pass_optimize_widening_mul::execute): Likewise.
        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Likewise.
        * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
        * tree.c (real_zerop, real_onep, real_minus_onep): Likewise.

2015-10-05  Richard Biener  <rguenther@suse.de>

        PR ipa/67783
        * ipa-inline-analysis.c (estimate_function_body_sizes): Only
        consider loop header PHI defs as IVs.

2015-10-05  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Move
        call handling ...
        (create_expression_by_pieces): ... here and build GIMPLE
        calls directly.  Use gimple_build API and avoid force_gimple_operand.
        (insert_into_preds_of_block): Simplify.
        (do_regular_insertion): Add comment.

2015-10-04  Jason Merrill  <jason@redhat.com>

        * builtins.def (BUILT_IN_ABORT): Add transaction_pure attribute.

2015-10-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_nsaved_regs): Use GENERAL_REGNO_P to
        check for general register.
        (ix86_emit_save_regs): Ditto.
        (ix86_emit_save_regs_using_mov): Ditto.
        (ix86_emit_restore_regs_using_pop): Ditto.
        (ix86_emit_restore_regs_using_mov): Ditto.

2015-10-03  Marek Polacek  <polacek@redhat.com>

        * Makefile.in (insn-latencytab.o): Remove -Wno-duplicated-cond.
        (insn-dfatab.o): Likewise.

2015-10-03  Max Filippov  <jcmvbkbc@gmail.com>

        * config.gcc (xtensa*-*-uclinux*): New configuration.
        * config/xtensa/uclinux.h: New file.
        * config/xtensa/uclinux.opt: New file.

2015-10-03  Jonathan Wakely  <jwakely@redhat.com>

        * doc/cpp.texi (Standard Predefined Macros): Document value of
        __cplusplus for C++14.

2015-10-02  Bernd Schmidt  <bernds@codesourcery.com>

        * gcc.c (process_command): Use spec_machine rather than
        spec_host_machine to build tooldir_prefix2.

2015-10-02  Thomas Schwinge  <thomas@codesourcery.com>
            Bernd Schmidt  <bernds@codesourcery.com>

        * config/nvptx/mkoffload.c (Kind, Vis): Remove enums.
        (Token, Stmt): Remove structs.
        (decls, vars, fns): Remove variables.
        (alloc_comment, append_stmt, is_keyword): Remove macros.
        (tokenize, write_token, write_tokens, alloc_stmt, rev_stmts)
        (write_stmt, write_stmts, parse_insn, parse_list_nosemi)
        (parse_init, parse_file): Remove functions.
        (read_file): Accept a pointer to a length and store into it.
        (process): Don't try to parse the input file, just write it out as
        a string, but looking for maps.  Also write out the length.
        (main): Don't use "-S" to compile PTX code.

2015-10-02  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (optimize_stmt): Note when loop structures need
        fixups.

2015-10-02  Thomas Schwinge  <thomas@codesourcery.com>

        PR target/67822
        * config/nvptx/mkoffload.c (main): Scan the argument vector for
        -fopenmp, and skip generating an offloading image if specified.

2015-10-02  Uros Bizjak  <ubizjak@gmail.com>

        * system.h (ROUND_UP): New macro definition.
        (ROUND_DOWN): Ditto.
        * ggc-page.c (ROUND_UP): Remove local macro definition.
        (PAGE_ALIGN): Implement using ROUND_UP macro.

        * config/i386/i386.h (PUSH_ROUNDING): Implement using ROUND_UP macro.
        * config/i386/i386.c (function_arg_advance_64): Use ROUND_UP macro
        to align values.
        (ix86_compute_frame_layout): Ditto.
        (ix86_expand_prologue): Ditto.
        (ix86_adjust_stack_and_probe): Use ROUND_DOWN macro
        to round down values.
        (expand_set_or_movmem_via_rep): Ditto.

2015-10-02  Marek Polacek  <polacek@redhat.com>

        * genemit.c (gen_exp): Remove -Wduplicated-cond hack.

2015-10-02  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-scop-detection.c (loop_ivs_can_be_represented): New.
        (loop_body_is_valid_scop): Call loop_ivs_can_be_represented.
        * graphite-sese-to-poly.c (new_gimple_bb): Renamed new_gimple_poly_bb.
        (free_gimple_bb): Renamed free_gimple_poly_bb.
        (try_generate_gimple_bb): Hoist loop invariant code.
        (analyze_drs_in_stmts): Same.
        (build_scop_drs): Call renamed functions.
        (new_pbb_from_pbb): Same.
        (scop_ivs_can_be_represented): Delete as functionality now moved to
        graphite-scop-detection.c
        (build_poly_scop): Remove call to scop_ivs_can_be_represented.

2015-10-02  Aditya Kumar  <hiraditya@msn.com>

        * graphite-scop-detection.c (stmt_has_side_effects): New function
          outlined from stmt_simple_for_scop_p.
        (graphite_can_represent_stmt): Same.
        (stmt_simple_for_scop_p): Moved code out of this function for better
        readability.

2015-10-02  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.c (processor_features): Add F_AVX512VBMI,
        F_AVX512IFMA.
        (isa_names_table): Handle F_AVX512VBMI and F_AVX512IFMA.

2015-10-02  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64-elf.h (TARGET_ASM_NAMED_SECTION): Delete.

2015-10-02  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/67756
        * lra-constraints.c (match_reload): Add a new parameter.  Use it
        for creating a pseudo with the same value.
        (curr_insn_transform): Pass a new argument to match_reload.

2015-10-02  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.c (expand_vec_perm_even_odd_trunc): New.
        (expand_vec_perm_even_odd_1): Handle V64QImode.
        (ix86_expand_vec_perm_const_1): Try expansion with
        expand_vec_perm_even_odd_trunc as well.
        * config/i386/sse.md (VI124_AVX512F): Rename to ...
        (define_mode_iterator VI124_AVX2_24_AVX512F_1_AVX512BW): This. Extend
        to V54QI.
        (define_mode_iterator VI248_AVX2_8_AVX512F): Rename to ...
        (define_mode_iterator VI248_AVX2_8_AVX512F_24_AVX512BW): This. Extend
        to V32HI and V16SI.
        (define_insn "avx512bw_<code>v32hiv32qi2"): Unhide pattern name.
        (define_expand "vec_pack_trunc_<mode>"): Update iterator name.
        (define_expand "vec_unpacks_lo_<mode>"): Ditto.
        (define_expand "vec_unpacks_hi_<mode>"): Ditto.
        (define_expand "vec_unpacku_lo_<mode>"): Ditto.
        (define_expand "vec_unpacku_hi_<mode>"): Ditto.

2015-10-02  Kirill Yukhin  <kirill.yukhin@intel.com>

        * doc/invoke.texi: Mention -mavx512vl, -mavx512bw, -mavx512dq,
        -mavx521vbmi, -mavx512ifma. Add missing opindex-es.

2015-10-02  Jason Merrill  <jason@redhat.com>

        PR c/59218
        * trans-mem.c (volatile_lvalue_p): Rename from volatile_var_p.
        (diagnose_tm_1_op): Also diagnose volatile accesses in
        transaction_safe function.

2015-10-02  Jonathan Wakely  <jwakely@redhat.com>

        * system.h (malloc.h): Don't include obsolete header.

2015-10-02  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64.c (aarch64_elf_asm_named_section): Delete.
        (TLS_SECTION_ASM_FLAG): Delete.

2015-10-02  Marek Polacek  <polacek@redhat.com>

        PR c/64249
        * doc/invoke.texi: Document -Wduplicated-cond.
        * Makefile.in (insn-latencytab.o): Use -Wno-duplicated-cond.
        (insn-dfatab.o): Likewise.
        * genemit.c (gen_exp): Rewrite condition to avoid -Wduplicated-cond
        warning.

2015-10-02  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh.md: Add new unnamed split pattern to handle movt-movt
        sequences.

2015-10-02  Renlin Li  <renlin.li@arm.com>

        * config/aarch64/aarch64.md (csneg3_insn_uxtw): New pattern.

2015-10-02  Renlin Li  <renlin.li@arm.com>

        PR target/66776
        * config/aarch64/aarch64.md (cmovdi_insn_uxtw): New pattern.

2015-10-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/67786
        PR rtl-optimization/67787
        * ifcvt.c (bb_valid_for_noce_process_p): Reject basic block if
        it modifies a reg used in the condition calculation.

2015-10-02  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Add
        alternatives for reads from memory and moves from general-purpose
        registers.
        (*aarch64_combinez_be<mode>): Likewise.

2015-10-02  Kai Tietz  <ktietz70@googlemail.com>

        PR target/51726
        * config/i386/winnt.c (ix86_handle_selectany_attribute): Handle
        selectany within this function without need to keep attribute.
        (i386_pe_encode_section_info): Remove selectany-code.

2015-10-02  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.c (has_VN_INFO): New function.
        (free_scc_vn): Use it.
        (visit_use): Remove dead code and refactor to use gassign
        and use less indentation.

2015-10-01  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/67788
        PR target/67789
        * config/rs6000/rs6000.c (TARGET_CANNOT_COPY_INSN_P): New.
        (rs6000_cannot_copy_insn_p): New function.
        * config/rs6000/rs6000.md (cannot_copy): New attribute.
        (load_toc_v4_PIC_1_normal): Set cannot_copy.
        (load_toc_v4_PIC_1_476): Ditto.

2015-10-01  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-scop-detection.c (struct sese_l): New conversion constructor
        so that this type can be pushed into a vec.
        (class scop_builder): use sese_l to collect scops.
        (get_scops): New getter function.
        (remove_intersecting_scops): Use sese_l instead of scops_p.
        (intersects): Same.
        (add_scop): Same.
        (subsumes): Same.
        (remove_subscops): Same.
        (build_scops): Add scops to vec<scops_p> once all the scops have been
        detected.

2015-10-01  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
        Renamed type from gimple_bb_p to gimple_poly_bb_p.
        (translate_isl_ast_node_user): Same.
        * graphite-poly.c (new_poly_bb): Same.
        * graphite-poly.h (gbb_from_bb): Same.
        * sese.h: Same.
        * graphite-sese-to-poly.c (new_gimple_bb):
        gimple_bb_p -> gimple_poly_bb_p
        (build_scop_scattering): Same.
        (find_params_in_bb): Same.
        (add_conditions_to_domain): Same.
        (sese_dom_walker::before_dom_children): Same.
        (analyze_drs_in_stmts): Same.
        (new_pbb_from_pbb): Same.
        (free_data_refs_aux): New pointer to type base_alias_pair.
        * graphite-sese-to-poly.h: Same.
        * sese.c (if_region_set_false_region): Fixed Indentation.
        (move_sese_in_condition): Same.

2015-10-01  Sebastian Pop  <s.pop@samsung.com>
            Aditya Kumar  <aditya.k7@samsung.com>

        PR tree-optimization/66980
        * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Return false
        when data reference analysis has failed.

2015-10-01  Sebastian Pop  <s.pop@samsung.com>
            Aditya Kumar  <aditya.k7@samsung.com>

        PR tree-optimization/67754
        * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Call
        scev analysis on the same loop nest as analyze_drs_in_stmts.
        * graphite-sese-to-poly.c (outermost_loop_in_sese_1): Moved and
        renamed...
        (try_generate_gimple_bb): Call outermost_loop_in_sese.
        (analyze_drs_in_stmts): Same.
        * sese.c (outermost_loop_in_sese): ...here.

2015-10-01  Sebastian Pop  <s.pop@samsung.com>
            Aditya Kumar  <aditya.k7@samsung.com>

        PR tree-optimization/67754
        * graphite-scop-detection.c (loop_body_is_valid_scop): Add missing
        recursion on the inner loops.

2015-10-01  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * cfganal.c, compare-elim.c, coverage.c, cprop.c, df-scan.c,
        function.c, read-rtl.c, statistics.c, trans-mem.c, tree-if-conv.c,
        tree-into-ssa.c, tree-loop-distribution.c, tree-ssa-coalesce.c,
        tree-ssa-loop-ivopts.c, tree-ssa-reassoc.c, tree-ssa-strlen.c,
        tree-ssa-tail-merge.c, tree-vrp.c, var-tracking.c: Remove

2015-10-01  Marek Polacek  <polacek@redhat.com>

        PR c/65345
        * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Adjust to use
        create_tmp_var_raw rather than create_tmp_var.

2015-10-01  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/67769
        * tree-ssa-phiopt.c (conditional_replacement): Call
        reset_flow_sensitive_info_in_bb.
        (minmax_replacement): Likewise.
        (abs_replacement): Likewise.

2015-10-01  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c: Don't include gomp-constants.h.
        (fold_builtin_1): Don't fold acc_on_device here.
        * gimple-fold.c: Include gomp-constants.h.
        (gimple_fold_builtin_acc_on_device): New.
        (gimple_fold_builtin): Call it.

2015-10-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/x86-tune.def (X86_TUNE_USE_BT): Enable for Lakemont.
        (X86_TUNE_ZERO_EXTEND_WITH_AND): Disable for Lakemont.

2015-10-01  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/aarch-common-protos.h
        (aarch_accumulator_forwarding): New.
        (aarch_forward_to_shift_is_not_shifted_reg): Likewise.
        * config/arm/aarch-common.c (aarch_accumulator_forwarding): New.
        (aarch_forward_to_shift_is_not_shifted_reg): Likewise.
        * config/arm/cortex-a53.md: Rewrite.

2015-10-01  Richard Biener  <rguenther@suse.de>

        * gimple-match.h (mprts_hook): Declare.
        * gimple-match.head.c (mprts_hook): Define.
        (maybe_push_res_to_seq): Use new hook.
        * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
        * tree-ssa-sccvn.h (vn_ssa_aux::expr): Change to a gimple_seq.
        (vn_ssa_aux::has_constants): Remove.
        * tree-ssa-sccvn.c: Include gimple-match.h.
        (VN_INFO_GET): Assert we don't re-use SSA names.
        (vn_get_expr_for): Remove.
        (expr_has_constants): Likewise.
        (stmt_has_constants): Likewise.
        (simplify_binary_expression): Likewise.
        (simplify_unary_expression): Likewise.
        (vn_lookup_simplify_result): New hook.
        (visit_copy): Adjust.
        (visit_reference_op_call): Likewise.
        (visit_phi): Likewise.
        (visit_use): Likewise.
        (process_scc): Likewise.
        (init_scc_vn): Likewise.
        (visit_reference_op_load): Likewise.  Use match-and-simplify and
        a gimple seq for inserted expressions.
        (try_to_simplify): Remove GENERIC stmt combining code.
        (sccvn_dom_walker::before_dom_children): Use match-and-simplify.
        * tree-ssa-pre.c (eliminate_insert): Adjust.
        (eliminate_dom_walker::before_dom_children): Likewise.

2015-10-01  Segher Boessenkool  <segher@kernel.crashing.org>

        * doc/invoke.texi (Optimization Options): Add
        -freorder-blocks-algorithm=.
        (Optimize Options) <-O>: Add -freorder-blocks.
        <-O2>: Remove -freorder-blocks.  Add -freorder-blocks-algorithm=stc.
        <-Os>: Add -freorder-blocks-algorithm=stc as not enabled.
        <-freorder-blocks>: Also enabled at levels -O and -Os.
        <-freorder-blocks-algorithm=>: Document new option.

2015-10-01  Segher Boessenkool  <segher@kernel.crashing.org>

        * bb-reorder.c (reorder_basic_blocks): Use the algorithm selected
        with flag_reorder_blocks_algorithm.
        * common.opt (freorder-blocks-algorithm=): New flag.
        (reorder_blocks_algorithm): New enum.
        * flag-types.h (reorder_blocks_algorithm): New enum.
        * opts.c (default_options_table): Use -freorder-blocks at -O1 and up,
        and -freorder-blocks-algorithm=stc at -O2 and up (not at -Os).

2015-10-01  Segher Boessenkool  <segher@kernel.crashing.org>

        * bb-reorder.c: Add intro comment.
        (reorder_basic_blocks_software_trace_cache): Print a header to
        the dump file.
        (edge_order): New function.
        (reorder_basic_blocks_simple): New function.
        (reorder_basic_blocks): Choose between the STC and the simple
        algorithms (always choose the former).

2015-10-01  Segher Boessenkool  <segher@kernel.crashing.org>

        * bb-reorder.c (reorder_basic_blocks_software_trace_cache): New
        function, factored out from ...
        (reorder_basic_blocks): ... here.

2015-10-01  Tom de Vries  <tom@codesourcery.com>

        * tree-cfg.c (dump_function_to_file): Dump function attributes using
        __attribute__(()) string.  Move dumping of function attributes to before
        function name.

2015-10-01  Lynn Boger  <laboger@linux.vnet.ibm.com>

        PR target/66870
        * config/rs6000/sysv4.h (TARGET_CAN_SPLIT_STACK_64BIT): Define.
        * configure.ac: Define HAVE_GOLD_ALTERNATE_SPLIT_STACK on Power
        based on gold linker version.
        * gcc.c: Add -fuse-ld=gold to STACK_SPLIT_SPEC if
        HAVE_GOLD_ALTERNATE_SPLIT_STACK defined.
        * configure, config.in: Regenerate.

2015-10-01  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't set
        r2_setup_needed when TARGET_SINGLE_PIC_BASE.
        (rs6000_output_mi_thunk): Likewise.

2015-09-30  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/mkoffload.c (process): Change offload data format.

2015-09-30  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (optimize_stmt): Collapse control flow statements
        with constant conditions.
        * tree-ssa-threadupdate.c (remove_jump_threads_starting_at): New.
        (remove_ctrl_stmt_and_useless_edges): No longer static.
        * tree-ssa-threadupdate.h (remove_jump_threads_starting_at): Prototype.
        (remove_ctrl_stmt_and_useless_edges): Likewise.

2015-09-30  Nathan Sidwell  <nathan@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): New.
        (TARGET_GOACC_VALIDATE_DIMS): Override.
        * target.def (TARGET_GOACC): New target hook prefix.
        (validate_dims): New hook.
        * targhooks.h (default_goacc_validate_dims): New.
        * omp-low.c (oacc_validate_dims): New.
        (execute_oacc_device_lower): New.
        (default_goacc_validate_dims): New.
        (pass_data_oacc_device_lower): New.
        (pass_oacc_device_lower): New pass.
        (make_pass_oacc_device_lower): New.
        * tree-pass.h (make_pass_oacc_device_lower): Declare.
        * passes.def (pass_oacc_device_lower): Add it.
        * doc/tm.texi: Rebuilt.
        * doc/tm.texi.in (TARGET_GOACC_VALIDATE_DIMS): Add hook.
        * doc/invoke.texi (oaccdevlow): Document tree dump flag.

2015-09-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rtl-optimization/67037
        * lra-constraints.c (process_addr_reg): Use copy_rtx when necessary.

2015-09-30  Bernd Schmidt  <bernds@redhat.com>

        * gimple-ssa.h (gimple_df): Add free_ssanames_queue field.
        * passes.c: Include tree-ssanames.h.
        (execute_function_todo): Flush the pending free SSA_NAMEs after
        eliminating unreachable basic blocks.
        * tree-ssanames.c (FREE_SSANAMES_QUEUE): new.
        (init_ssanames): Initialize FREE_SSANAMES_QUEUE.
        (fini_ssanames): Finalize FREE_SSANAMES_QUEUE.
        (flush_ssanames_freelist): New function.
        (release_ssaname_fn): Put released names on the queue.
        (pass_release_ssa_names::execute): Call flush_ssanames_freelist.
        * tree-ssanames.h (flush_ssanames_freelist): Declare.

2015-09-30  Thomas Schwinge  <thomas@codesourcery.com>

        * config/i386/intelmic-mkoffload.c (main): Parse "-v" flag.
        (generate_target_descr_file, generate_target_offloadend_file)
        (generate_host_descr_file, prepare_target_image): Pass it on.
        * config/nvptx/mkoffload.c (main): Parse "-v" flag.
        (compile_native, main): Pass it on.
        * lto-wrapper.c (compile_offload_image): Likewise.

2015-09-30  Thomas Schwinge  <thomas@codesourcery.com>
            Ilya Verbin  <ilya.verbin@intel.com>
            Andrey Turetskiy  <andrey.turetskiy@intel.com>

        * config/i386/intelmic-mkoffload.c (generate_host_descr_file)
        (prepare_target_image, main): Refactor argv building to use
        obstacks.

2015-09-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-protos.h (spu_expand_atomic_op): Add prototype.
        * config/spu/spu.c (spu_expand_atomic_op): New function.
        * config/spu/spu.md (AINT): New mode iterator.
        (ATOMIC): New code iterator.
        (atomic_name, atomic_pred): New code predicates.
        ("atomic_load<mode>", "atomic_store<mode>"): New expanders.
        ("atomic_compare_and_swap<mode>", "atomic_exchange<mode>"): Likewise.
        (""atomic_<atomic_name><mode>", "atomic_fetch_<atomic_name><mode>",
        "atomic_<atomic_name>_fetch<mode>"): Likewise.

2015-09-30  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/i386.c (scalar_chain::analyze_register_chain): Ignore
        debug insns.
        (scalar_chain::convert_reg): Likewise.

2015-09-30  Richard Biener  <rguenther@suse.de>

        * builtins.c: Add comment that no new simplifications should
        be added here.

2015-09-30  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/67690
        * tree-ssa-ifcombine.c (pass_tree_ifcombine::execute): Call
        reset_flow_sensitive_info_in_bb.
        * tree-ssa-tail-merge.c (replace_block_by): Likewise.
        * tree-ssanames.c: Include "gimple-iterator.h".
        (reset_flow_sensitive_info_in_bb): New function.
        * tree-ssanames.h (reset_flow_sensitive_info_in_bb): Declare.

2015-09-30  Thomas Schwinge  <thomas@codesourcery.com>

        * config/i386/intelmic-mkoffload.c (target_ilp32): Remove
        variable, replacing it with...
        (offload_abi): ... this new variable.  Adjust all users.
        * config/nvptx/mkoffload.c (target_ilp32, offload_abi): Likewise.

2015-09-30  Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Remove extraneous ;;.
        * configure: Regenerate.

2015-09-29  James Bowman  <james.bowman@ftdichip.com>

        * config/ft32/predicates.md (ft32_imm_operand): New predicate.
        * config/ft32/ft32.md (movmemsi, setmemsi): Use ft32_imm_operand
        predicate, disallow register for operand 2.

2015-09-29  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-dependences.c (scop_get_dependences): Moved in down
        in order to be visible to its caller.
        * graphite-poly.h: Removed compute_deps, and extend_schedule.

2015-09-29  Sebastian Pop  <s.pop@samsung.com>
            Aditya Kumar  <aditya.k7@samsung.com>

        PR tree-optimization/67754
        * graphite-optimize-isl.c (optimize_isl): Call
        isl_options_set_schedule_fuse with ISL_SCHEDULE_FUSE_MIN for ISL-14.

2015-09-29  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (expand_builtin_acc_on_device): Delete.
        (expand_builtin): Don't call it.
        (fold_builtin_1): Fold acc_on_device.

2015-09-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_function_arg): Fix typo in comments.
        (ix86_nsaved_sseregs): Likewise.

2015-09-29  Jeff Law  <law@redhat.com>

        * config/microblaze/microblaze.c (microblaze_version_to_int): Remove
        computation of unused value.

        * config/pdp11/pdp11.c (pdp11_branch_cost): New function.
        * config/pdp11/pdp11.h (BRANCH_COST): Call function rather than
        inline macro expansion.

        * config/i386/t-interix (winnt-stubs.o): Fix compilation rule.

        * config/sh/sh.c (gen_shl_and): Fix undefined left shift behaviour.
        (gen_shl_sext): Likewise.
        * config/sh/sh.md (divsi3): Likewise.
        (imm->ext_dest_operand splitter): Likewise.

2015-09-29  Sebastian Pop  <s.pop@samsung.com>
            Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-sese-to-poly.c (gsi_for_phi_node): Remove.
        (nb_data_writes_in_bb): Remove.
        (split_pbb): Remove.
        (split_reduction_stmt): Remove.
        (is_reduction_operation_p): Remove.
        (phi_contains_arg): Remove.
        (follow_ssa_with_commutative_ops): Remove.
        (detect_commutative_reduction_arg): Remove.
        (detect_commutative_reduction_assign): Remove.
        (follow_inital_value_to_phi): Remove.
        (edge_initial_value_for_loop_phi): Remove.
        (initial_value_for_loop_phi): Remove.
        (used_outside_reduction): Remove.
        (detect_commutative_reduction): Remove.
        (translate_scalar_reduction_to_array_for_stmt): Remove.
        (remove_phi): Remove.
        (dr_indices_valid_in_loop): Remove.
        (close_phi_written_to_memory): Remove.
        (translate_scalar_reduction_to_array): Remove.
        (rewrite_commutative_reductions_out_of_ssa_close_phi): Remove.
        (rewrite_commutative_reductions_out_of_ssa_loop): Remove.
        (rewrite_commutative_reductions_out_of_ssa): Remove.
        (build_poly_scop): Remove call to
        rewrite_commutative_reductions_out_of_ssa.

2015-09-29  Evandro Menezes  <e.menezes@samsung.com>

        * config/arm/types.md (neon_ldp, neon_ldp_q, neon_stp, neon_stp_q):
        Add new insn types for vector load and store pairs.
        * config/arm/cortex-a53.md (cortex_a53_f_load_2reg): Add insn
        types "neon_ldp{,_q}".
        * config/arm/cortex-a57.md (neon_load_c): Add insn types
        "neon_ldp{,_q}".
        (neon_store_complex): Add insn types "neon_stp{,_q}".
        * config/aarch64/aarch64-simd.md (aarch64_be_movoi): Add insn types
        "neon_{ldp,stp}_q".

2015-09-29  Jeff Law  <law@redhat.com>

        * config/rx/constraints.md (Int08): Fix undefined left shift
        behaviour.
        (Sint08, Sint16, Sint24): Likewise.
        * config/rx/rx.c (rx_get_stack_layout): Likewise.

        * config/rl78/rl78-expand.md (movqi): Fix undefined left shift
        behaviour.

        * config/msp430/msp430.c (msp430_legitimate_constant): Fix undefined
        left shift behaviour.
        * config/msp430/constraints.md ('L' constraint): Similarly.
        ('Ys' constraint): Similarly.

2015-09-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67170
        * tree-ssa-alias.h (get_continuation_for_phi): Adjust
        the translate function pointer parameter to get the
        bool whether to disambiguate only by reference.
        (walk_non_aliased_vuses): Likewise.
        * tree-ssa-alias.c (maybe_skip_until): Adjust.
        (get_continuation_for_phi_1): Likewise.
        (get_continuation_for_phi): Likewise.
        (walk_non_aliased_vuses): Likewise.
        * tree-ssa-sccvn.c (const_parms): New bitmap.
        (vn_reference_lookup_3): Adjust for interface change.
        Disambiguate parameters pointing to readonly memory.
        (free_scc_vn): Free const_parms.
        (run_scc_vn): Initialize const_parms from a fn spec attribute.

2015-09-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67741
        * tree-ssa-math-opts.c (pass_cse_sincos::execute): Only recognize
        builtin calls with correct signature.

2015-09-29  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/65105
        * config/i386/i386.c: Include dbgcnt.h.
        (has_non_address_hard_reg): New.
        (convertible_comparison_p): New.
        (scalar_to_vector_candidate_p): New.
        (remove_non_convertible_regs): New.
        (scalar_chain): New.
        (scalar_chain::scalar_chain): New.
        (scalar_chain::~scalar_chain): New.
        (scalar_chain::add_to_queue): New.
        (scalar_chain::mark_dual_mode_def): New.
        (scalar_chain::analyze_register_chain): New.
        (scalar_chain::add_insn): New.
        (scalar_chain::build): New.
        (scalar_chain::compute_convert_gain): New.
        (scalar_chain::replace_with_subreg): New.
        (scalar_chain::replace_with_subreg_in_insn): New.
        (scalar_chain::emit_conversion_insns): New.
        (scalar_chain::make_vector_copies): New.
        (scalar_chain::convert_reg): New.
        (scalar_chain::convert_op): New.
        (scalar_chain::convert_insn): New.
        (scalar_chain::convert): New.
        (convert_scalars_to_vector): New.
        (pass_data_stv): New.
        (pass_stv): New.
        (make_pass_stv): New.
        (ix86_option_override): Created and register stv pass.
        (flag_opts): Add -mstv.
        (ix86_option_override_internal): Likewise.
        * config/i386/i386.md (SWIM1248x): New.
        (*movdi_internal): Add xmm to mem alternative for TARGET_STV.
        (and<mode>3): Use SWIM1248x iterator instead of SWIM.
        (*anddi3_doubleword): New.
        (*zext<mode>_doubleword): New.
        (*zextsi_doubleword): New.
        (<code><mode>3): Use SWIM1248x iterator instead of SWIM.
        (*<code>di3_doubleword): New.
        * config/i386/i386.opt (mstv): New.
        * dbgcnt.def (stv_conversion): New.

2015-09-29  Tom de Vries  <tom@codesourcery.com>

        * tree-cfg.c (dump_function_to_file): Dump function attributes.

2015-09-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/67716
        * config/sh/sh.c (sh_override_options_after_change): New.
        (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define.
        (sh_option_override): Move align_loops, align_jumps and
        align_functions handling into sh_override_options_after_change.

2015-09-28  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c: Include omp-low.h and gomp-constants.h.
        (nvptx_record_offload_symbol): Record function execution geometry.
        * config/nvptx/mkoffload.c (process): Include launch geometry in
        function data.
        * omp-low.c (oacc_launch_pack): New.
        (replace_oacc_fn_attrib): New.
        (set_oacc_fn_attrib): New.
        (get_oacc_fn_attrib): New.
        (expand_omp_target): Create keyed varargs for GOACC_parallel call
        generation.
        * omp-low.h (get_oacc_fn_attrib): Declare.
        * builtin-types.def (DEF_FUNCTION_TyPE_VAR_6): New.
        (DEF_FUNCTION_TYPE_VAR_11): Delete.
        * tree.h (OMP_CLAUSE_EXPR): New.
        * omp-builtins.def (BUILT_IN_GOACC_PARALLEL): Change target fn name.

2015-09-28  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * sese.c (invariant_in_sese_p_rec): Remove unused variable.

2015-09-28  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-optimize-isl.c (optimize_isl): Use ISL_SCHEDULE_FUSE_MAX.
        * graphite-scop-detection.c (struct sese_l): New type.
        (get_entry_bb): API for getting entry bb of SESE.
        (get_exit_bb): API for getting exit bb of SESE.
        (class debug_printer): New type.  Simple printer in debug mode.
        (trivially_empty_bb_p): New.  Return true when BB is empty or
        contains only debug instructions.
        (graphite_can_represent_expr): Call scalar_evoution_in_region
        instead of analyze_scalar_evolution.  Pass in scop instead of only
        the scop entry.
        (stmt_has_simple_data_refs_p): Pass in scop instead of only the
        scop entry.
        (stmt_simple_for_scop_p): Same.
        (harmful_stmt_in_bb): Same.
        (graphite_can_represent_loop): Deleted.
        (struct scopdet_info): Deleted.
        (scopdet_basic_block_info): Deleted.
        (build_scops_1): Deleted.
        (bb_in_sd_region): Deleted.
        (find_single_entry_edge): Deleted.
        (find_single_exit_edge): Deleted.
        (create_single_entry_edge): Deleted.
        (sd_region_without_exit): Deleted.
        (create_single_exit_edge): Deleted.
        (unmark_exit_edges): Deleted.
        (mark_exit_edges): Deleted.
        (create_sese_edges): Deleted.
        (build_graphite_scops): Deleted.
        (canonicalize_loop_closed_ssa): Recompute all dominators at the end.
        (build_scops): Use the new scop_builder to build scops.
        (dot_all_scops_1): Use the new pretty printer.  Print loop father
        as well.
        (loop_body_is_valid_scop): New.  Return true if loop body is a
        valid scop.
        (class scop_builder): New.  Builds SCoPs for polyhedral
        optimizations.
        (scop_builder): New constructor.
        (static sese_l invalid_sese): sese_l with invalid edges.
        (get_sese): Get an sese (from a loop) if possible, invalid_sese
        otherwise.
        (get_nearest_dom_with_single_entry): Get nearest dominator of a
        basic_block with single entry.  Return NULL if we get to the
        beginning of a function.
        (get_nearest_pdom_with_single_exit): Get nearest post-dominator of
        a basic_block with single exit.  Return NULL if we get to the
        beginning of a function.
        (print_sese): Pretty-print SESE.
        (merge_sese): Merge two SESEs if possible and return the new SESE.
        (build_scop_depth): Start building the SCoP within a loop nest.
        (build_scop_breadth): Start building the SCoP at a single loop
        depth.  Merge adjacent SESEs if valid.
        (can_represent_loop_1): Returns true if Graphite can represent
        loop inside SCoP.  Helper for can_represent_loop.
        (can_represent_loop): Returns true if Graphite can represent LOOP
        and all its nested loops in SCoP.
        (loop_is_valid_scop): Returns true if LOOP and all its nests
        constitute a valid SCoP.
        (region_has_one_loop): Returns true of a region has only one loop.
        (add_scop): Add SCoP to the list of valid scops.  Removes an
        already existing scop if it intersects with or subsumed by this one.
        (harmful_stmt_in_region): Returns true if SCoP has any statment
        which cannot be represented by Graphite.
        (subsumes): Returns true of SCoP S1 subsumes SCoP S2.
        (remove_subscops): Remove any SCoP from the list of already found
        SCoPs, if subsumed by S1.
        (intersects): Return true if region bounded by SCoPs S1 and S2
        intersect.
        (remove_intersecting_scops): Remove any SCoP which intersects with S1.
        * graphite.c (print_graphite_scop_statistics):
        (print_graphite_statistics): Print SCoP info while debugging.
        (graphite_initialize): Early exit in case number of loops in a
        function is less than PARAM_GRAPHITE_MIN_LOOPS_PER_FUNCTION or
        basic blocks are more than PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
        (graphite_finalize):
        * params.def: Add PARAM_GRAPHITE_MIN_LOOPS_PER_FUNCTION.
        * sese.h (sese_loop_depth): Remove unnecessary gcc_assert.
        (recompute_all_dominators): Recalculate POST_DOMINATORS.
        * tree-cfg.c (print_loops): Print the function name while printing
        loops.

2015-09-28  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/67700
        * graphite-sese-to-poly.c (parameter_index_in_region): Call
        invariant_in_sese_p_rec.
        (extract_affine): Same.
        (rewrite_cross_bb_scalar_deps): Call update_ssa.
        * sese.c (invariant_in_sese_p_rec): Export.  Handle vdefs and vuses.
        * sese.h (invariant_in_sese_p_rec): Declare.

2015-09-28  David Wohlferd  <dw@LimeGreenSocks.com>

        * doc/extend.texi (Asm Labels): Break out text for data vs functions.

2015-09-28  Jiong Wang  <jiong.wang@arm.com>

        Revert:
        2015-08-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
                    Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.d (tlsdesc_small_pseudo_<mode>): New pattern.
        * config/aarch64/aarch64.h (reg_class): New enumeration FIXED_REG0.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        * config/aarch64/aarch64.c (aarch64_class_max_nregs): Likewise.
        (aarch64_register_move_cost): Likewise.
        (aarch64_load_symref_appropriately): Invoke the new added pattern if
        possible.
        * config/aarch64/constraints.md (Uc0): New constraint.

2015-09-28  Daniel Hellstrom  <daniel@gaisler.com>

        * config/sparc/t-rtems: Remove -muser-mode. Add ut699, at697f and leon.

2015-09-28  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Place
        SECTION_EXCLUDE in XO mapping class.

2015-09-28  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/54236
        * config/sh/predicates.md (t_reg_operand, negt_reg_operand): Allow
        and handle ne and eq codes.
        * config/sh/sh.c (sh_rtx_costs): Adjust matching of tst #imm,r0 insn.
        (sh_recog_treg_set_expr): Early accept negt_reg_operand.  Eearly reject
        CONST_INT_P.  Use reverse_condition.
        (sh_split_treg_set_expr): Likewise.

2015-09-28  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/types.md (type): Add rotate_imm.
        * config/aarch64/aarch64.md (*ror<mode>3_insn): Split out the
        ROR immediate case.
        (*rorsi3_insn_uxtw): Likewise.
        * config/aarch64/thunderx.md (thunderx_shift): Add rotate_imm.
        * config/arm/cortex-a53.md (cortex_a53_alu_shift): Add rotate_imm.
        * config/arm/cortex-a57.md (cortex_a53_alu): Add rotate_imm.

2015-09-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/67481
        * ifcvt.c (contains_ccmode_rtx_p): New function.
        (insn_valid_noce_process_p): Use it.

2015-09-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/67456
        PR rtl-optimization/67464
        PR rtl-optimization/67465
        * ifcvt.c (noce_try_cmove_arith): Bail out if cannot conditionally
        move in the mode of x.  Handle combination of complex and simple
        block pairs as well as the case when one is empty.

2015-09-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * doc/gimple.texi: Update references to gimple_statement_base.
        * gdbhooks.py: Likewise.
        * gimple.h: Likewise.

2015-09-28  Daniel Cederman  <cederman@gaisler.com>

        * config/sparc/driver-sparc.c: map LEON to leon3

2015-09-28  Daniel Cederman  <cederman@gaisler.com>

        * config/sparc/sparc.opt: Rename mask from USER_MODE to SV_MODE
          and make it inverse to change default
        * config/sparc/sync.md: Only use supervisor ASI for CASA when in
          supervisor mode
        * doc/invoke.texi: Document change of default

2015-09-28  Daniel Cederman  <cederman@gaisler.com>

        * config/sparc/sparc.c (sparc_function_value_regno_p): Do not return
        true on %f0 for a target without FPU.
        * config/sparc/sparc.md (untyped_call): Do not save %f0 for a target
        without FPU.
        (untyped_return): Do not load %f0 for a target without FPU.

2015-09-28  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64.md (prefetch):
        Change the predicate of operand 0 to register_operand.

2015-09-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (register_sse4nonimm_operand): New
        predicate.
        * config/i386/sse.md (PEXTR_MODE12): New mode iterator.
        (*vec_extract<mode>): Use PEXTR_MODE12 instead of VI12_128 mode.
        Use register_sse4nonimm_operand as operand 0 predicate.
        (*vec_extractv8hi_sse2): Remove insn pattern.
        (*vec_extract<PEXTR_MODE12:mode>_zext): Merge insn pattern from
        *vec_extractv8hi_zext and *vec_extractv16qi_zext patterns.

2015-09-27  Oleg Endo  <olegendo@gcc.gnu.org>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/67391
        * config/sh/sh-protos.h (sh_lra_p): Declare.
        * config/sh/sh.c (sh_lra_p): Make non-static.
        * config/sh/sh.md (addsi3): Use arith_reg_dest for operands[0] and
        arith_reg_operand for operands[1].  Remove TARGET_SHMEDIA case.
        Expand into addsi3_scr if operands[2] if needed.
        (*addsi3_compact): Rename to *addsi3_compact_lra.  Use
        arith_reg_operand for operands[1].  Allow it only when LRA is enabled.
        (addsi3_scr, *addsi3): New insn_and_split patterns.

2015-09-27  Alexandre Oliva <aoliva@redhat.com>

        PR rtl-optimization/64164
        PR tree-optimization/67312
        PR middle-end/67340
        PR middle-end/67490
        PR bootstrap/67597
        * cfgexpand.c (parm_in_stack_slot_p): Remove.
        (ssa_default_def_partition): Remove.
        (get_rtl_for_parm_ssa_default_def): Remove.
        (set_rtl): Check that RTL assignments match expectations.
        Loop on SUBREGs, CONCATs and PARALLELs subexprs.  Set only the
        default def location for params and results.  Record SSA names
        or types in REG and MEM attrs, respectively.
        (set_parm_rtl): New.
        (expand_one_ssa_partition): Drop logic that assigned MEMs with
        unassigned addresses.
        (adjust_one_expanded_partition_var): Don't accept NULL RTL on
        deferred stack alloc vars.
        (expand_used_vars): Skip partitions holding parm default defs.
        Move adjust_one_expanded_partition_var loop...
        (pass_expand::execute): ... here.  Drop redundant assert.
        Adjust comments before the final loop over all ssa names.
        Require assigned rtl of parms and results to match exactly.
        Reset its attributes to match them, not any other variables in
        the same partition.
        (expand_debug_expr): Use entry value for PARM's default defs
        only iff they have zero nondebug uses.
        * cfgexpand.h (parm_in_stack_slot_p): Remove.
        (get_rtl_for_parm_ssa_default_def): Remove.
        (set_parm_rtl): Declare.
        * doc/invoke.texi: Improve wording.
        * explow.c (promote_decl_mode): Fix promote_function_mode for
        result decls not by reference.
        (promote_ssa_mode): Disregard BLKmode from promote_decl, and
        bypass TYPE_MODE to get the actual vector mode.
        * function.c: Include tree-dfa.h.  Revert 2015-08-14's and
        2015-08-19's changes as follows.  Drop include of
        basic-block.h and df.h.
        (rtl_for_parm): Remove.
        (maybe_reset_rtl_for_parm): Remove.
        (parm_in_unassigned_mem_p): Remove.
        (use_register_for_decl): Add logic for RESULT_DECLs matching
        assign_parms' behavior.
        (split_complex_args): Revert.
        (assign_parms_augmented_arg_list): Revert.  Add comment
        referencing the logic above.
        (assign_parm_adjust_stack_rtl): Revert.
        (assign_parm_setup_block): Revert.  Use set_parm_rtl instead
        of SET_DECL_RTL.  Set up a REG if the parm demands so.
        (assign_parm_setup_reg): Revert.  Consolidated SET_DECL_RTL
        calls into a single set_parm_rtl.  Set up a temporary RTL
        temporarily for expand_assignment.
        (assign_parm_setup_stack): Revert.  Use set_parm_rtl.
        (assign_parms_unsplit_complex): Revert.  Use set_parm_rtl.
        (assign_bounds): Revert.
        (assign_parms): Revert.  Use set_parm_rtl.
        (allocate_struct_function): Relayout result and parms of
        non-abstruct functions.
        (expand_function_start): Revert.  Use set_parm_rtl.  If the
        result is not a hard reg, create a pseudo from the promoted
        mode of the default def.  Promote static chain mode.
        * tree-outof-ssa.c (remove_ssa_form): Drop unused
        partition_has_default_def.  Set up
        partitions_for_parm_default_defs.
        (finish_out_of_ssa): Remove partition_has_default_def.
        Release partitions_for_parm_default_defs.
        * tree-outof-ssa.h (struct ssaexpand): Remove
        partition_has_default_def.  Add
        partitions_for_parm_default_defs.
        * tree-ssa-coalesce.c: Include tree-dfa.h, tm_p.h and
        stor-layout.h.
        (build_ssa_conflict_graph): Fix conflict-detection of default
        defs of even unused default defs of params and results.
        (for_all_parms): New.
        (create_default_def): New.
        (register_default_def): New.
        (coalesce_with_default): New.
        (create_outofssa_var_map): Create default defs for all parms
        and results, and register their partitions.  Add GIMPLE_RETURN
        operands as coalesce candidates with results.  Add default
        defs of each parm or result as coalesce candidates with its
        other defs.  Mark each result def, and each default def of
        parms, as used_in_copy.
        (gimple_can_coalesce_p): Call it.  Call use_register_for_decl
        with the ssa names, even anonymous ones.  Drop
        parm_in_stack_slot_p calls.  Require same signedness and
        alignment.
        (coalesce_ssa_name): Add coalesce candidates for all defs of
        each parm and result, even unused ones.
        (parm_default_def_partition_arg): New type.
        (set_parm_default_def_partition): New.
        (get_parm_default_def_partitions): New.
        * tree-ssa-coalesce.h (get_parm_default_def_partitions): New.
        * tree-ssa-live.c (partition_view_init): Regard unused defs of
        parms and results as used.
        (verify_live_on_entry): Don't error out just because they're
        not live.

2015-09-26  David Edelsohn  <dje.gcc@gmail.com>

        * dwarf2out.c (XCOFF_DEBUGGING_INFO): Default 0 definition.
        (HAVE_XCOFF_DWARF_EXTRAS): Default to 0 definition.
        (output_fde): Don't output length for debug_frame on AIX.
        (output_call_frame_info): Don't output length for debug_frame on AIX.
        (have_macinfo): Force to False for XCOFF_DEBUGGING_INFO and not
        HAVE_XCOFF_DWARF_EXTRAS.
        (add_AT_loc_list): Return early if XCOFF_DEBUGGING_INFO and not
        HAVE_XCOFF_DWARF_EXTRAS.
        (output_compilation_unit_header): Don't output length on AIX.
        (output_pubnames): Don't output length on AIX.
        (output_aranges): Delete argument. Compute length locally. Don't
        output length on AIX.
        (output_line_info): Don't output length on AIX.
        (dwarf2out_finish): Don't compute aranges_length.
        * dwarf2asm.c (XCOFF_DEBUGGING_INFO): Default 0 definition.
        (dw2_asm_output_nstring): Emit .byte not .ascii on AIX.
        * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Emit correct
        symbol decoration for AIX.
        (rs6000_xcoff_debug_unwind_info): New.
        (rs6000_xcoff_asm_named_section): Emit .dwsect pseudo-op
        for SECTION_DEBUG.
        (rs6000_xcoff_declare_function_name): Emit different
        .function pseudo-op when DWARF2_DEBUG. Don't call
        xcoffout_declare_function for DWARF2_DEBUG.
        * config/rs6000/xcoff.h (TARGET_DEBUG_UNWIND_INFO):
        Redefine.
        * config/rs6000/aix71.h: New.
        * configure.ac (gcc_cv_as_aix_dwloc): Check AIX as for DWARF
        locations support.
        * configure: Regenerate.
        * config.gcc (powerpc-ibm-aix[789]+): New stanza for AIX 7.1+ with
        DWARF support.

2015-09-26  Jeff Law  <law@redhat.com>

        * config/arc/arc.c (arc_output_addsi): Fix left shift undefined
        behaviour.
        * config/arc/constraints.md (Cca, C2a): Fix left shift undefined
        behaviour.

        * config/sh/sh.h (CONST_OK_FOR_J16): Fix left shift undefined
        behaviour

        * config/mips/mips.c (mips_compute_frame_info): Fix left shift
        undefined behaviour.

        * config/cris/cris.md (asrandb): Fix left shift undefined
        behaviour.
        (asrandw): Likewise.

2015-09-25  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/61578
        * lra-constarints.c (match_reload): Check presence of the input pseudo
        in the output operand.

2015-09-25  Tobias Burnus  <burnus@net-b.de>

        * doc/invoke.texi (-fsanitize): Minor wording tweak.

2015-09-25  Tobias Burnus  <burnus@net-b.de>

        * doc/invoke.texi (-fsanitize): Update URLs.

2015-09-25  Teresa Johnson  <tejohnson@google.com>

        * opts.c (finish_options): Unset -freorder-blocks-and-partition
        if not using profile.

2015-09-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR pretty-print/67567
        * pretty-print.c (pp_string): Add gcc_checking_assert.
        * pretty-print.h (output_buffer_append_r): Likewise.

2015-09-25  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67675
        * config/sh/sh-mem.cc (sh_expand_cmpstr): Check alignment of addr1 and
        addr2 individually.  Don't emit logical or insn if one is known to
        be aligned approriately.
        (sh_expand_cmpnstr): Likewise.

2015-09-25  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Force
        __builtin_aarch64_fp[sc]r arguments into a register.

2015-09-25  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (x86_archs): Replace lakemount with lakemont.
        (with_cpu): Likewise.
        (with_arch): Likewise.
        * config/i386/i386-c.c (ix86_target_macros_internal): Replace
        PROCESSOR_LAKEMOUNT with PROCESSOR_LAKEMONT.  Replace
        __tune_lakemount__ with __tune_lakemont__.
        * config/i386/i386.c (lakemount_cost): Renamed to ...
        (lakemont_cost): This.
        (m_LAKEMOUNT): Renamed to ...
        (m_LAKEMONT): This.
        (initial_ix86_arch_features): Replace m_LAKEMOUNT with m_LAKEMONT.
        (processor_target_table): Replace "lakemount" with "lakemont".
        (processor_alias_table): Likewise.
        (ix86_issue_rate): Replace PROCESSOR_LAKEMOUNT with
        PROCESSOR_LAKEMONT.
        (ix86_adjust_cost): Likewise.
        (ia32_multipass_dfa_lookahead): Likewise.
        * config/i386/i386.h (processor_type): Likewise.
        * config/i386/x86-tune.def: Replace m_LAKEMOUNT with m_LAKEMONT.
        * doc/invoke.texi: Replace lakemount with lakemont.  Replace
        Lakemount with Lakemont.

2015-09-24  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (x86_archs): Replace iamcu with lakemount.
        (with_cpu): Likewise.
        (with_arch): Likewise.
        * doc/invoke.texi: Likewise.
        * config/i386/i386-c.c (ix86_target_macros_internal): Replace
        PROCESSOR_IAMCU with PROCESSOR_LAKEMOUNT.  Replace
        __tune_iamcu__ with __tune_lakemount__.
        * config/i386/i386.c (iamcu_cost): Renamed to ...
        (lakemount_cost): This.
        (m_IAMCU): Renamed to ...
        (m_LAKEMOUNT): This.
        (initial_ix86_arch_features): Replace m_IAMCU with m_LAKEMOUNT.
        (processor_target_table): Replace "iamcu" with "lakemount".
        (processor_alias_table): Likewise.
        (ix86_issue_rate): Replace PROCESSOR_IAMCU with
        PROCESSOR_LAKEMOUNT.
        (ix86_adjust_cost): Likewise.
        (ia32_multipass_dfa_lookahead): Likewise.
        * config/i386/i386.h (processor_type): Likewise.
        * config/i386/x86-tune.def: Replace m_IAMCU with m_LAKEMOUNT.

2015-09-24  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa-linux.h (HAVE_sync_compare_and_swapdi): Define.
        * config/pa/pa-protos.h (pa_maybe_emit_compare_and_swap_exchange_loop):
        Declare.
        * config/pa/pa.c (pa_init_libfuncs): Init sync libfuncs up to 8 bytes.
        (pa_expand_compare_and_swap_loop): New.
        (pa_maybe_emit_compare_and_swap_exchange_loop): New.
        * config/pa/pa.md (atomic_storeqi, atomic_storehi, atomic_storesi,
        atomic_storesf, atomic_loaddf, atomic_storedf): New expanders.
        (atomic_loaddf_1, atomic_storedf_1): New insn patterns.
        (atomic_loaddi, atomic_loaddi_1, atomic_storedi, atomic_storedi_1):
        Revise.

2015-09-24  Michael Collison  <michael.collison@linaro.org>

        PR other/57195
        * read-md.c (read_name): Allow mode iterators inside angle
        brackets in rtl expressions.

2015-09-24  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/61578
        * ira-color.c (update_allocno_cost): Add parameter.
        (update_costs_from_allocno): Decrease conflict cost.  Pass the new
        parameter.

2015-09-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR driver/67640
        * opts-common.c (prune_options): Discard all -fdiagnostics-color
        but the last one, which is moved to the front to be processed
        first.
        * opts.c (enable_warning_as_error): Reject options that do not
        control warnings.

2015-09-24  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.c (aarch64_print_operand): Add "CONST" support.

2015-09-24  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_symbol_context): Delete.
        * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Likewise.
        (aarch64_cannot_force_const_mem): Likewise.
        (aarch64_classify_address): Likewise.
        (aarch64_classify_symbolic_expression): Likewise.
        (aarch64_print_operand): Likewise.
        (aarch64_classify_symbol): Likewise.
        (aarch64_mov_operand_p): Likewise.
        * config/aarch64/predicates.md (aarch64_valid_symref): Likewise.
        (aarch64_mov_operand): Likewise.

2015-09-24  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (debug_stack_info): Invert the test
        for info->spe_gp_size.

2015-09-24  Richard Biener  <rguenther@suse.de>

        PR lto/67699
        * lto-cgraph.c (compute_ltrans_boundary): Do not stream
        abstract origins.

2015-09-24  Thomas Schwinge  <thomas@codesourcery.com>

        * tree-object-size.c (plus_stmt_object_size)
        (cond_expr_object_size): Change the formal parameters from gimple
        to gimple *.
        * tree-ssa-sccvn.h (vn_nary_op_insert_stmt): Likewise.
        * tree-ssa-sccvn.c (vn_nary_op_insert_stmt): Make it static.
        * tree-ssa-sccvn.h (vn_nary_op_insert_stmt): Don't declare.

2015-09-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_pie): Check for gld >= 2.26 on Solaris.
        Check for ld -type pie on Solaris 11.x and 12.
        * configure: Regenerate.
        * config.in: Regenerate.

        * gcc.c (LD_PIE_SPEC): Allow redefinition.

        * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Define.
        (STARTFILE_SPEC): Use it.
        (ENDFILE_CRTEND_SPEC): Define.
        (ENDFILE_SPEC): Use it and ENDFILE_ARCH_SPEC.
        (SUBTARGET_EXTRA_SPECS): Add STARTFILE_CRTBEGIN_SPEC,
        ENDFILE_ARCH_SPEC, ENDFILE_CRTEND_SPEC.
        [HAVE_LD_PIE && HAVE_SOLARIS_CRTS] (LD_PIE_SPEC): Define.
        (!(HAVE_LD_PIE && HAVE_SOLARIS_CRTS)] (LINK_PIE_SPEC): Define.
        * config/i386/sol2.h (ENDFILE_SPEC): Remove.
        (ENDFILE_ARCH_SPEC): Define.
        * config/sparc/sol2.h (ENDFILE_ARCH_SPEC): Define.

2015-09-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_solaris_crts): New test.
        * configure. Regenerate.
        * config.in: Regenerate.
        * config/sol2.h (STARTFILE_SPEC): Simplify, provide
        HAVE_SOLARIS_CRTS variant.

2015-09-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * tree-inline.h (count_insns_seq): Delete prototype.
        (estimate_num_insns_seq): Define prototype.
        * tree-inline.c (count_insns_seq): Delete.
        (estimate_num_insns_seq): Remove static qualifier.
        * tree-eh.c (decide_copy_try_finally): Replace use of count_insns_seq
        with estimate_num_insns_seq.

2015-09-24  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.h (vn_reference_op_struct): Add clique and base
        members.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record clique
        and base for MEM_REF and TARGET_MEM_REF.  Handle BIT_FIELD_REF
        offset.
        (ao_ref_init_from_vn_reference): Record clique and base in the
        built base.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise

2015-09-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/48885
        * tree-ssa-structalias.c (visit_loadstore): Handle default defs
        as not including any restrict tags from other pointers.

2015-09-23  Thomas Schwinge  <thomas@codesourcery.com>

        * gcc.c (handle_foffload_option): Don't lose the trailing NUL
        character when appending to offload_targets.

        * configure.ac (offload_targets, OFFLOAD_TARGETS): Separate
        offload targets by commas, not colons.
        * config.in: Regenerate.
        * configure: Likewise.
        * gcc.c (driver::maybe_putenv_COLLECT_LTO_WRAPPER): Due to that,
        instead of setting up the default offload targets here...
        (process_command): ..., do it here.
        libgomp/
        * plugin/configfrag.ac (OFFLOAD_TARGETS): Clarify that offload
        targets are separated by commas.
        * config.h.in: Regenerate.

2015-09-23  Thomas Schwinge  <thomas@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        * omp-low.h (omp_reduction_init_op): Declare.
        * omp-low.c (omp_reduction_init_op): New, broken out of ...
        (omp_reduction_init): ... here.  Call it.
        * tree-parloops.c (initialize_reductions): Use
        omp_reduction_init_op.

2015-09-23   Richard Biener  <rguenther@suse.de>

        PR middle-end/67662
        * fold-const.c (fold_binary_loc): Do not reassociate two vars with
        undefined overflow unless they will cancel out.

2015-09-23  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.md (define_insn "*<mshift><mode>3"): Fix
        insn emit.

2015-09-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/49655
        * opts.h (write_langs): Declare.
        * opts-global.c (write_langs): Make it extern.

2015-09-23  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67391
        * config/sh/sh.md (addsi3, *addsi3_compact): Don't check for
        overlapping regs when matching the pattern.

2015-09-23  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_float_truncate_hi_v4sf): Rewrite as an expand.
        (aarch64_float_truncate_hi_v4sf_le): New.
        (aarch64_float_truncate_hi_v4sf_be): Likewise.

2015-09-23  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (intra_create_variable_infos): Build
        representatives for all restrict qualified pointer destinations.

2015-09-23  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.md (define_code_attr mshift): New.
        (define_mode_iterator SWI1248_AVX512BW): Rename ...
        (SWI1248_AVX512BW): ... to this. Make QI enabled for TARGET_AVX512DQ
        only.
        (define_insn "*k<logic><mode>"): Use new iterator name.
        (define_insn "*<mshift><mode>3"): New.

2015-09-23  Mikhail Maltsev  <maltsevm@gmail.com>

        PR middle-end/67649
        * memory-block.h (memory_block_pool::allocate): Use valgrind API to
        mark the block as accessible.

2015-09-22  Segher Boessenkool  <segher@kernel.crashing.org>

        * function.c (thread_prologue_and_epilogue_insns): Delete
        orig_entry_edge argument to try_shrink_wrapping.
        * shrink-wrap.c (can_get_prologue): New function.
        (can_dup_for_shrink_wrapping): Also handle EDGE_CROSSING.
        (try_shrink_wrapping): Delete orig_entry_edge argument.  Use
        can_get_prologue where needed.  Remove code that finds a single
        edge for the prologue.  Remove code that tests if any reg clobbered
        by the prologue is live on the prologue edge.  Remove code that finds
        the new prologue edge after duplicating blocks.  Make a new prologue
        block and edge.
        * shrink-wrap.h (try_shrink_wrapping): Delete orig_entry_edge argument.

2015-09-22  Jeff Law  <law@redhat.com>

        * config/pa/pa.h (MIN_LEGIT_64BIT_CONST_INT): Avoid undefined
        behavior.

2015-09-22  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/invoke.texi  (-Wmultiple-inheritance, -Wvirtual-inheritance,
        -Wtemplates, -Wnamespaces): Document.

2015-09-22  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/67671
        * tree-ssa-structalias.c (create_variable_info_for_1): Handle restrict
        pointer references as restrict.

2015-09-22  Chung-Lin Tang  <cltang@codesourcery.com>

        * config/nios2/nios2.c (nios2_legitimize_address): When handling
        'reg + reloc' cases, allow first operand to be non-REG, and use
        force_reg() to enforce address pattern.

2015-09-22  Alexander Fomin <alexander.fomin@intel.com>

        PR target/67480
        * config/i386/sse.md (define_mode_iterator VI48_AVX_AVX512F): New.
        (define_mode_iterator VI12_AVX_AVX512F): New.
        (define_insn "<mask_codefor><code><mode>3<mask_name>"): Change
        all iterators to VI48_AVX_AVX512F. Extract remaining modes ...
        (define_insn "*<code><mode>3"): ... Into new pattern using
        VI12_AVX_AVX512F iterators without masking.

2015-09-22  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config.gcc: Support "skylake-avx512".
        * config/i386/i386-c.c (ix86_target_macros_internal): Handle
        PROCESSOR_SKYLAKE_AVX512.
        * config/i386/i386.c (m_SKYLAKE_AVX512): Define.
        (processor_target_table): Add "skylake-avx512".
        (PTA_SKYLAKE_AVX512): Define.
        (ix86_option_override_internal): Add "skylake_avx512".
        (fold_builtin_cpu): Handle "skylake_avx512", add F_AVX512VL
        F_AVX512BW, F_AVX512DQ, F_AVX512ER, F_AVX512PF, F_AVX512CD.
        * config/i386/i386.h (TARGET_SKYLAKE_AVX512): Define.
        (processor_type): Add PROCESSOR_SKYLAKE_AVX512.
        * doc/invoke.texi (skylake-avx512): New.

2015-09-22  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.md (define_insn "kunpckhi"): Fix
        operand in pattern.
        (define_insn "kunpcksi"): Ditto.
        (define_insn "kunpckdi"): Ditto.

2015-09-22  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.md (define_split not/xor SWI1248x): Use
        iterator instead of fixed modes.

2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_gen_atomic_ldop):
        Adjust declaration.
        * config/aarch64/aarch64.c (aarch64_emit_bic): New.
        (aarch64_gen_atomic_ldop): Adjust comment.  Add parameter
        out_result.  Update to support update-fetch operations.
        * config/aarch64/atomics.md (aarch64_atomic_exchange<mode>_lse):
        Adjust for change to aarch64_gen_atomic_ldop.
        (aarch64_atomic_<atomic_optab><mode>_lse): Likewise.
        (aarch64_atomic_fetch_<atomic_optab><mode>_lse): Likewise.
        (atomic_<atomic_optab>_fetch<mode>): Change to an expander.
        (aarch64_atomic_<atomic_optab>_fetch<mode>): New.
        (aarch64_atomic_<atomic_optab>_fetch<mode>_lse): New.

2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-protos.h
        (aarch64_atomic_ldop_supported_p): Declare.
        * config/aarch64/aarch64.c (aarch64_atomic_ldop_supported_p): New.
        (enum aarch64_atomic_load_op_code): New.
        (aarch64_emit_atomic_load_op): New.
        (aarch64_gen_atomic_ldop): Update to support load-operate
        patterns.
        * config/aarch64/atomics.md (atomic_<atomic_optab><mode>): Change
        to an expander.
        (aarch64_atomic_<atomic_optab><mode>): New.
        (aarch64_atomic_<atomic_optab><mode>_lse): New.
        (atomic_fetch_<atomic_optab><mode>): Change to an expander.
        (aarch64_atomic_fetch_<atomic_optab><mode>): New.
        (aarch64_atomic_fetch_<atomic_optab><mode>_lse): New.

2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64/atomics.md (UNSPECV_ATOMIC_LDOP): New.
        (UNSPECV_ATOMIC_LDOP_OR): New.
        (UNSPECV_ATOMIC_LDOP_BIC): New.
        (UNSPECV_ATOMIC_LDOP_XOR): New.
        (UNSPECV_ATOMIC_LDOP_PLUS): New.
        (ATOMIC_LDOP): New.
        (atomic_ldop): New.
        (aarch64_atomic_load<atomic_ldop><mode>): New.

2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64.md
        (<LOGICAL:optab>_one_cmpl_<SHIFT:optab><mode>3): Make a named
        pattern.

2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_gen_atomic_ldop):
        Declare.
        * config/aarch64/aarch64.c (aarch64_emit_atomic_swap): New.
        (aarch64_gen_atomic_ldop): New.
        (aarch64_split_atomic_op): Fix whitespace and add a comment.
        * config/aarch64/atomics.md (UNSPECV_ATOMIC_SWP): New.
        (aarch64_compare_and_swap<mode>_lse): Fix some whitespace.
        (atomic_exchange<mode>): Replace with an expander.
        (aarch64_atomic_exchange<mode>): New.
        (aarch64_atomic_exchange<mode>_lse): New.
        (aarch64_atomic_<atomic_optab><mode>): Fix some whitespace.
        (aarch64_atomic_swp<mode>): New.

2015-09-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * tree-inline.c (expand_call_inline): Use inform for extra note.
        Do not give a note with UNKNOWN_LOCATION.
        Replace input_location with gimple_location (stmt).
        Use true/false instead of TRUE/FALSE.

2015-09-22  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/67666
        * tree-ssa-structalias.c (create_variable_info_for_1): Handle struct
        with single field non-conservative.

2015-09-21  David S. Miller  <davem@davemloft.net>

        PR/67622
        Revert:
        2015-09-11  David S. Miller  <davem@davemloft.net>

        * config/sparc/constraints.md: Make "U" constraint a real register
        constraint.
        * config/sparc/sparc.c (TARGET_LRA_P): Define.
        (D_MODES, DF_MODES): Add missing cast.
        (TF_MODES, TF_MODES_NO_S): Include T_MODE.
        (OF_MODES, OF_MODES_NO_S): Include O_MODE.
        (sparc_register_move_cost): Decrease Niagara/UltrsSPARC memory
        cost to 8.
        * config/sparc/sparc.h (PROMOTE_MODE): Define.
        * config/sparc/sparc.md (*movsi_lo_sum, *movsi_high): Do not
        provide these insn when flag_pic.

        2015-09-17  David S. Miller  <davem@davemloft.net>

        * config/sparc/sparc-protos.h (sparc_secondary_memory_needed):
        Declare.
        * config/sparc/sparc.c (sparc_secondary_memory_needed): New
        function.
        * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED): Use it.
        (HARD_REGNO_CALLER_SAVE_MODE): Define.
        * config/sparc/sparc.md (sethi_di_medlow, losum_di_medlow, seth44)
        (setm44, setl44, sethh, setlm, sethm, setlo, embmedany_sethi)
        (embmedany_losum, embmedany_brsum, embmedany_textuhi)
        (embmedany_texthi, embmedany_textulo, embmedany_textlo): Do not
        provide when flag_pic.

2015-09-21  Jeff Law  <law@redhat.com>

        * config/h8300/h8300.md (andsi3_ashift_n_lower): Avoid undefined
        behavior.

2015-09-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_expand_insv): Avoid undefined behavior.

2015-09-21  Richard Biener  <rguenther@suse.de>

        * passes.c (rest_of_decl_compilation): Do not call
        dwarf2out_early_global_decl for aliases.

2015-09-21  Richard Biener  <rguenther@suse.de>

        PR debug/67664
        * dwarf2out.c (add_location_or_const_value_attribute): Remove
        attribute parameter.  Early exit if either DW_AT_const_value
        or DW_AT_location are present already.
        (gen_variable_die): Adjust caller.
        (dwarf2out_late_global_decl): Likewise.

2015-09-21  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67657
        * config/sh/sh.c (sh_remove_overlapping_post_inc,
        sh_peephole_emit_move_insn): Add new functions.
        * config/sh/sh-protos.h (sh_remove_overlapping_post_inc,
        sh_peephole_emit_move_insn): Declere them.
        * config/sh/sh.md: Use them in various peephole2 patterns.

2015-09-21  Richard Biener  <rguenther@suse.de>

        PR middle-end/67651
        * rtlanal.c (nonzero_address_p): SYMBOL_REFs may have zero
        address with -fno-delete-null-pointer-checks.

2015-09-21  Alan Lawrence  <alan.lawrence@arm.com>

        * config/rs6000/altivec.md (reduc_splus_<mode>): Rename to...
        (reduc_plus_scal_<mode>): ...this, add rs6000_expand_vector_extract.
        (reduc_uplus_v16qi): Remove.

        * config/rs6000/vector.md (VEC_reduc_name): Change "splus" to "plus".
        (reduc_<VEC_reduc_name>_v2df): Remove.
        (reduc_<VEC_reduc_name>_v4sf): Remove.
        (reduc_<VEC_reduc:VEC_reduc_name>_scal_<VEC_F:name>): New.

        * config/rs6000/vsx.md (vsx_reduc_<VEC_reduc_name>_v2df): Declare
        gen_ function by removing * prefix.
        (vsx_reduc_<VEC_reduc_name>_v4sf): Likewise.

2015-09-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR middle-end/60832
        * tree-ssa-loop-niter.c (do_warn_aggressive_loop_optimizations):
        Print i_bound without converting it to a tree.

2015-09-21  Bilyan Borisov  <bilyan.borisov@arm.com>

        * config/arm/arm.c (thumb_output_move_mem_multiple): Replaced
        operands[4] operands[5] swap with std::swap, removed tmp variable.
        (arm_evpc_neon_vzip): Replaced in0/in1 and
        out0/out1 swaps with std::swap, removed x variable.
        (arm_evpc_neon_vtrn): Replaced in0/int1 and
        out0/out1 swaos with std::swap, removed x variable.
        (arm_expand_vec_perm_const_1): Replaced
        d->op0/d->op1 swap with std::swap, removed x variable.
        (arm_evpc_neon_vuzp): Replaced in0/in1 and
        out0/out1 swaps with std::swap, removed x variable.

2015-09-21  Jonathan Yong  <10walls@gmail.com>

        * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
        sysroot/usr/lib/32api for additional win32 libraries,
        fixes failing Cygwin bootstrapping.

2015-09-21  Oleg Endo  <olegendo@gcc.gnu.org>

        * doc/invoke.texi (SH Options): Undocument SH5/SH64 related options.

2015-09-21  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67126
        * config/sh/sh.md (*reg_lsb_t): Emit bld insn on SH2A.
        (*mov_t_msb_neg): Rewrite negc pattern.

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_internal_mov_immediate): Cleanup
        immediate generation code.

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_internal_mov_immediate): Remove
        redundant immediate generation code.

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_bitmasks): Remove.
        (AARCH64_NUM_BITMASKS): Remove.
        (aarch64_bitmasks_cmp): Remove.
        (aarch64_build_bitmask_table): Remove.

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_internal_mov_immediate): Replace
        slow immediate matching loops with a faster algorithm.

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_bitmask_imm): Reimplement using
        faster algorithm.

2015-09-20  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * tree-ssa-dom.c (record_temporary_equivalences): No longer static.
        * tree-ssa-dom.h (record_temporary_equivalences): Add prototype.
        * tree-ssa-threadedge.c: Include tree-ssa-dom.h.
        (thread_through_normal_block): Use record_temporary_equivalences.

2015-09-19  Trevor Saunders  <tbsaunde@tbsaunde.org>

        * coretypes.h (gimple): Change typedef to be a forward declaration.
        * gimple.h (gimple_statement_base): rename to gimple.
        * (all functions and types using gimple): Adjust.
        * *.[ch]: Likewise.

2015-09-19  Andrew Dixie  <andrewd@gentrack.com>
            David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): Delete.
        (ASM_PREFERRED_EH_DATA_FORMAT): Define.
        (EH_FRAME_THROUGH_COLLECT2): Define.
        (EH_TABLES_CAN_BE_READ_ONLY): Define.
        (ASM_OUTPUT_DWARF_PCREL): Define.
        (ASM_OUTPUT_DWARF_DATAREL): Define.

2015-09-19  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_function_ok_for_sibcall): Remove special treatment
        of TARGET_ELF32.

2015-09-18  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * tree-ssa-dom.c (avail_exprs_stack): No longer file scoped.  Move
        it here ...
        (dom_opt_dom_walker): New private member holding the avail_exprs_stack
        object.  Update constructor.
        (pass_dominator::execute):  Corresponding chagnes to declaration
        and initialization of avail_exprs_stack.  Update constructor call
        for dom_opt_dom_walker object.
        (lookup_avail_expr, record_cond): Accept additional argument.  Pass
        it down to children as needed.
        (record_equivalences_from_incoming_edge): Likewise.
        (eliminate_redundant_computations): Likewise.
        (record_equivalences_from_stmt): Likewise.
        (simplify_stmt_for_jump_threading): Likewise.
        (record_temporary_equivalences): Likewise.
        (optimize_stmt): Likewise.
        (dom_opt_dom_walker::thread_across_edge): Update access to
        avail_exprs_stack object and pass it to children as needed.
        (dom_opt_dom_walker::before_dom_children): Similarly.
        (dom_opt_dom_walker::after_dom_children): Similarly.
        * tree-ssa-threadedge.c (pfn_simplify): New typedef.
        (record_temporary_equivalences_from_stmts_at_dest): Use new typedef.
        Add avail_expr_stack argument.  Pass it to children as needed.
        (dummy_simplify): Likewise.
        (simplify_control_stmt_condition): Likewise.
        (thread_around_empty_blocks): Likewise.
        (thread_through_normal_block): Likewise.
        (thread_across_edge): Likewise.
        * tree-ssa-threadedge.h (thread_across_edge): Update prototype.
        * tree-vrp.c (simplify_stmt_for_jump_threading): Update.

        PR tree-optimization/47679
        * tree-ssa-dom.c (const_and_copies): No longer file scoped.  Move
        it here ...
        (dom_opt_dom_walker): New private member holding the const_and_copies
        object.  Update constructor.
        (pass_dominator::execute): Corresponding changes to declaration
        and initialization of const_and_copies.  Update constructor call
        for the dom_opt_dom_walker object.
        (record_temporary_equivalences): Accept const_and_copies argument
        pass it down to children as needed.
        (record_equality): Likewise.
        (record_equivalences_from_incoming_edge): Likewise.
        (cprop_into_successor_phis, optimize_stmt): Likewise.
        (eliminate_redundant_computations): Likewise.
        (dom_opt_dom_walker::thread_across_edge): Update access to
        const_and_copies object and pass it to children as needed.
        (dom_opt_dom_walker::before_dom_children): Similarly.
        (dom_opt_dom_walker::after_dom_children): Similarly.

        PR tree-optimization/47679
        * tree-ssa-dom.c (avail_exprs): No longer file scoped.  Bury
        it into the avail_exprs_stack class.
        (pass_dominator::execute): Corresponding changes to declaration
        and initialization of avail_exprs.  Pass avail_exprs to
        dump_dominator_optimization_stats.
        (record_cond): Extract avail_exprs from avail_exprs_stack.
        (lookup_avail_expr): Similarly.
        (htab_staticstics): Remove unnecessary prototype.  Move to earlier
        position in file.
        (dump_dominator_optimization_stats): Make static and prototype.
        Add argument for the hash table to dump.
        (debug_dominator_optimization_stats): Remove.
        * tree-ssa-dom.h (dump_dominator_optimization_stats): Remove
        prototype.
        (debug_dominator_optimization_stats): Similarly.
        * tree-ssa-scopedtables.h (class avail_exprs_stack): Add missing
        "void" in prototype for pop_to_marker method.  Add accessor method
        for the underlying avail_exprs table.

        * tree-ssa-threadedge.c: Remove trailing whitespace.

2014-09-18  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa-protos.h (pa_cint_ok_for_move): Change argument type to
        unsigned.
        (pa_ldil_cint_p): Likewise.
        * config/pa/pa.c (pa_cint_ok_for_move): likewise.
        (pa_ldil_cint_p): Likewise. Change signed casts to unsigned.
        Update callers.
        * config/pa/pa.md: Likewise.

2015-09-18  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (OBJS-libcommon): Add diagnostic-show-locus.o.
        * diagnostic.c (adjust_line): Move to diagnostic-show-locus.c.
        (diagnostic_show_locus): Likewise.
        (diagnostic_print_caret_line): Likewise.
        * diagnostic-show-locus.c: New file.

2015-09-18  David Edelsohn  <dje.gcc@gmail.com>

        * dwarf2out.c (switch_to_eh_frame_section): Add ATTRIBUTE_UNUSED to
        "back" parameter. Declare label in #if block.

2015-09-18  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/67619
        * except.c (expand_builtin_eh_return): Use copy_addr_to_reg to copy
        the address to a register.

2015-09-18  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * Makefile.in (OBJS): Add tree-ssa-phionlycprop.o
        * tree-ssa-dom.c: Remove unnecessary header includes.
        (remove_stmt_or_phi): Moved from here into tree-ssa-phionlycprop.c
        (get_rhs_or_phi_arg, get_lhs_or_phi_result): Likewise.
        (propagate_rhs_into_lhs, eliminate_const_or_copy): Likewise.
        (eliminate_degenerate_phis_1, pass_phi_only_cprop): Likewise.
        (pass_phi_only_cprop::execute): Likewise.
        (make_pass_phi_only_cprop): Likewise.
        * tree-ssa-phionlycprop.c: New file with moved code.  Eliminate
        uses of file scoped statics by passing the required objects
        as parameters wherever needed.

2015-09-18  Andrew Dixie  <andrewd@gentrack.com>
            David Edelsohn  <dje.gcc@gmail.com>

        * defaults.h (EH_FRAME_SECTION_NAME): Depend on
        EH_FRAME_THROUGH_COLLECT2.
        * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Add case for
        DW_EH_PE_datarel.
        * dwarf2out.c (switch_to_eh_frame_section): Use a read-only section
        even if EH_FRAME_SECTION_NAME is undefined.  Restrict special
        collect2 labels to EH_FRAME_THROUGH_COLLECT2.
        * except.c (switch_to_exception_section): Use a read-only section
        even if EH_FRAME_SECTION_NAME is undefined.
        * system.h (EH_FRAME_IN_DATA_SECTION): Poison.
        * collect2.c (write_c_file_stat): Provide dbase on AIX.
        (scan_prog_file): Don't export __dso_handle nor
        __gcc_unwind_dbase.
        * config/rs6000/aix.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
        (EH_TABLES_CAN_BE_READ_ONLY): Define.
        (ASM_OUTPUT_DWARF_PCREL): Define.
        (ASM_OUTPUT_DWARF_DATAREL): Define.
        (EH_FRAME_THROUGH_COLLECT2): Define.
        (EH_FRAME_IN_DATA_SECTION): Delete.
        * config/rs6000/aix61.h (STARTFILE_SPEC): Add crtdbase.o.
        * config/rs6000/rs6000-protos.h (rs6000_asm_output_dwarf_pcrel):
        Declare.
        (rs6000_asm_output_dwarf_datarel): Declare.
        * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_pcrel): New.
        (rs6000_aix_asm_output_dwarf_datarel): New.
        (rs6000_xcoff_asm_init_sections): Don't set exception_section.
        * config/spu/spu-elf.h (EH_FRAME_IN_DATA_SECTION): Delete.
        (EH_FRAME_THROUGH_COLLECT2): Define.
        * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Delete.
        (EH_FRAME_THROUGH_COLLECT2): Define.
        (EH_TABLES_CAN_BE_READ_ONLY): Define.
        * doc/tm.texi.in (EH_FRAME_IN_DATA_SECTION): Delete.
        (EH_FRAME_THROUGH_COLLECT2): New.
        (ASM_OUTPUT_DWARF_DATAREL): New.
        * doc/tm.texi: Regenerate.

2015-09-18  Richard Biener  <rguenther@suse.de>

        * dwarf2out.c (append_entry_to_tmpl_value_parm_die_table): Assert
        we're in early phase.
        (schedule_generic_params_dies_gen): Likewise.
        (gen_remaining_tmpl_value_param_die_attribute): Do only as much
        work as possible, retaining unhandled cases.
        (gen_scheduled_generic_parms_dies): Set early-dwarf flag and
        clear out generic_type_instances at the end.
        (dwarf2out_finish): Move call to gen_scheduled_generic_parms_dies...
        (dwarf2out_early_finish): ... here.  Do most of
        gen_remaining_tmpl_value_param_die_attribute here.

2015-09-18  Alan Lawrence  <alan.lawrence@arm.com>

        PR tree-optimization/67283
        * tree-sra.c (type_consists_of_records_p): Rename to...
        (scalarizable_type_p): ...this, add case for ARRAY_TYPE.
        (completely_scalarize_record): Rename to...
        (completely_scalarize): ...this, add ARRAY_TYPE case, move some code to:
        (scalarize_elem): New.
        (analyze_all_variable_accesses): Follow renamings.

2015-09-18  Richard Biener  <rguenther@suse.de>

        * dwarf2out.c (add_location_or_const_value_attribute): Do nothing
        in early-dwarf.

2015-09-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66142
        * fold-const.c (operand_equal_p): When OEP_ADDRESS_OF
        treat MEM[&x] and x the same.
        * tree-ssa-sccvn.h (vn_reference_fold_indirect): Remove.
        * tree-ssa-sccvn.c (vn_reference_fold_indirect): Return true
        when we simplified sth.
        (vn_reference_maybe_forwprop_address): Likewise.
        (valueize_refs_1): When we simplified through
        vn_reference_fold_indirect or vn_reference_maybe_forwprop_address
        set valueized_anything to true.
        (vn_reference_lookup_3): Use stmt_kills_ref_p to see whether
        one ref kills the other instead of just a offset-based test.
        * tree-ssa-alias.c (stmt_kills_ref_p): Use OEP_ADDRESS_OF
        for the operand_equal_p test to compare bases and also compare
        sizes.

2015-09-17  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm.md (*call_value_symbol): Fix operand for interworking.

2015-09-17  Richard Henderson  <rth@redhat.com>

        PR libstdc++/65913
        * builtins.c (fold_builtin_atomic_always_lock_free): Handle fake
        pointers that encode the alignment of the object.

2015-09-17  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/66790
        * df-problems.c (LIVE): Amend documentation.

2015-09-17  Richard Sandiford  <richard.sandiford@arm.com>

        * Makefile.in (OBJS): Add optabs-libfuncs.o, optabs-query.o
        and optabs-tree.o.
        (GTFILES): Replace optabs.c with optabs-libfunc.c.
        * genopinit.c (main): Add an include guard to insn-opinit.h.
        Protect the rtx_code parts with NUM_RTX_CODE.
        * optabs.h: Split parts out to...
        * optabs-libfuncs.h, optabs-query.h, optabs-tree.h: ...these new files.
        * optabs.c: Split parts out to...
        * optabs-libfuncs.c, optabs-query.c, optabs-tree.c: ...these new files.
        * cilk-common.c: Include optabs-query.h rather than optabs.h.
        * fold-const.c: Likewise.
        * target-globals.c: Likewise.
        * tree-if-conv.c: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-math-opts.c: Include optabs-tree.h rather than optabs.h.
        Remove unncessary include files.
        * tree-ssa-phiopt.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-switch-conversion.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-generic.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-slp.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vrp.c: Likewise.
        * toplev.c: Include optabs-query.h and optabs-libfuncs.h
        rather than optabs.h.
        * expr.c: Include optabs-tree.h.
        * function.c: Likewise.

2015-09-17  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/65958
        * config/arm/linux-elf.h (STACK_CHECK_STATIC_BUILTIN): Define.
        * config/arm/arm-protos.h (output_probe_stack_range): Declare.
        * config/arm/arm.c: Include common/common-target.h.
        (use_return_insn): Return 0 if the static chain register was saved
        above a non-APCS frame.
        (arm_compute_static_chain_stack_bytes): Adjust for stack checking.
        (struct scratch_reg): New.
        (get_scratch_register_on_entry): New function.
        (release_scratch_register_on_entry): Likewise.
        (arm_emit_probe_stack_range): Likewise.
        (output_probe_stack_range): Likewise.
        (arm_expand_prologue): Factor out code dealing with the IP register
        for nested function and adjust it for stack checking.
        Invoke arm_emit_probe_stack_range if static builtin stack checking
        is enabled.
        (thumb1_expand_prologue): Sorry out if static builtin stack checking
        is enabled.
        (arm_expand_epilogue): Add the saved static chain register, if any, to
        the amount of pre-pushed registers to pop.
        (arm_frame_pointer_required): Return true if static stack checking is
        enabled and we want to catch the exception with the EABI unwinder.
        * config/arm/unspecs.md (UNSPEC_PROBE_STACK): New constant.
        (UNSPEC_PROBE_STACK_RANGE): Likewise.
        * config/arm/arm.md (probe_stack): New insn.
        (probe_stack_range): Likewise.

2015-09-17  Richard Biener  <rguenther@suse.de>

        * genmatch.c (parser::parse_expr): Improve error message
        for mis-placed flags.

2015-09-17  Richard Biener  <rguenther@suse.de>

        * passes.c (rest_of_decl_compilation): Always call early_global_decl
        debug hook when we created a varpool node.
        * dwarf2out.c (dwarf2out_late_global_decl): When in LTO call
        dwarf2out_early_global_decl, when not just add location or
        value attributes to existing DIEs.

2015-09-17  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.md (copysigndf3): New.
        (copysignsf3): Likewise.

2015-09-17  David S. Miller  <davem@davemloft.net>

        * config/sparc/sparc-protos.h (sparc_secondary_memory_needed): Declare.
        * config/sparc/sparc.c (sparc_secondary_memory_needed): New function.
        * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED): Use it.
        (HARD_REGNO_CALLER_SAVE_MODE): Define.
        * config/sparc/sparc.md (sethi_di_medlow, losum_di_medlow, seth44)
        (setm44, setl44, sethh, setlm, sethm, setlo, embmedany_sethi)
        (embmedany_losum, embmedany_brsum, embmedany_textuhi)
        (embmedany_texthi, embmedany_textulo, embmedany_textlo): Do not
        provide when flag_pic.

2015-09-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (label_ref_list_d_pool): Adjust to
        object_allocator change.

2015-09-17  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/66388
        * tree-ssa-loop-ivopts.c (struct iv, iv_cand, ivopts_data): New fields.
        (dump_iv): Dump no_overflow information.
        (alloc_iv): Initialize new field for struct iv.
        (mark_bivs): Count number of no_overflow bivs.
        (find_deriving_biv_for_expr, record_biv_for_address_use): New
        functions.
        (idx_find_step): Call new functions above.
        (add_candidate_1, add_candidate): New paramter.
        (add_iv_candidate_for_biv): Add sizetype cand for BIV.
        (get_computation_aff): Simplify convertion of cand for BIV.
        (get_computation_cost_at): Step cand's base if necessary.

2015-09-17  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): New
        parameter.
        (tree_simplify_using_condition): Ditto.
        (simplify_using_initial_conditions): Ditto.
        (loop_exits_before_overflow): Pass new argument to function
        simplify_using_initial_conditions.  Remove case for type conversions
        simplification.
        * tree-ssa-loop-niter.h (simplify_using_initial_conditions): New
        parameter.
        * tree-scalar-evolution.c (simple_iv): Simplify type conversions
        in iv base using loop initial conditions.

2015-09-16  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * tree-ssa-dom.c (free_edge_info): Factored out of free_all_edge_infos.
        (free_all_edge_infos): Use it.
        (allocate_edge_info): Free preexisting edge info data.
        (pass_dominator::execute): Set up initial edge info structures.
        (dom_opt_dom_walker::thread_across_edge): Pass avail_expr_stack to
        thread_across_edge.
        * tree-ssa-threadedge.c (thread_across_edge): Accept new argument.
        If non-null, then push/pop markers appropriately.
        * tree-ssa-threadedge.h (thread_across_edge): Update prototype.
        * tree-vrp.c (identify_jump_threads): Pass NULL for new argument to
        thread-across_edge.

2015-09-16  James Bowman  <james.bowman@ftdichip.com>

        * config/ft32/ft32.c: Fix the memory address space predicate.

2015-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/67573
        * config/sh/sh.md (call_pcrel): Add early clobber to scratch operand.
        (call_value_pcrel, sibcall_pcrel, sibcall_value_pcrel): Likewise.

2015-09-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * toplev.h (check_global_declaration): Remove declaration.
        * toplev.c (check_global_declaration): Move to ...
        * cgraphunit.c: ... here. Make it static and pass a symtab_node *.
        (analyze_functions): Update call.

2015-09-16  David S. Miller  <davem@davemloft.net>

        * lra-constraints.c (simplify_operand_subreg): Do not assume that
        lowpart of a SUBREG has offset zero.

2015-09-16  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * tree-ssa-dom.c (enum expr_kind): Moved from here to
        tree-ssa-scopedtables.h.
        (struct hashable_expr, class expr_hash_elt): Likewise.
        (struct expr_elt_hasher, class avail_exprs_stack): Likewise.
        Move associated methods into tree-ssa-scopedtables.c.
        (avail_expr_hash, initialize_expr_from_cond): Similarly.
        (hashable_expr_equal_p, add_expr_commutative): Likewise.
        (add_hashable_expr): Likewise.
        (record_cond): Delete element directly.
        * tree-ssa-scopedtables.h (avail_expr_stack, const_and_copies): Add
        private copy ctor and assignment operator methods.
        (expr_elt_hasher): Inline trivial methods.
        (initialize_expr_from_cond): Prototype.
        * tree-ssa-scopedtables.c: Add necessary includes, functions and
        methods that were previously in tree-ssa-dom.c.  Improve various
        comments.

2015-09-16  Paolo Carlini  <paolo.carlini@oracle.com>

        * doc/invoke.texi ([Wsubobject-linkage]): Extend documentation.

2015-09-16  Segher Boessenkool  <segher@kernel.crashing.org>

        PR bootstrap/67587
        * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
        fixup_partitions.

2015-09-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/67253
        * cfgexpand.c (expand_gimple_stmt_1): Do not clobber
        location of possibly shared trees.

2015-09-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/67271
        * fold-const.c (native_encode_expr): Bail out on bogus offsets.

2015-09-16  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use offset_int for
        offset and size computations instead of HOST_WIDE_INT.

2015-09-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/67442
        * fold-const.c (extract_muldiv_1): Properly extend multiplication
        result before builting a tree via wide_int_to_tree.

2015-09-16  Mikhail Maltsev  <maltsevm@gmail.com>

        * Makefile.in: Add memory-block.cc
        (pool_allocator::initialize): Use fixed block size.
        (pool_allocator::release): Use memory_block_pool.
        (pool_allocator::allocate): Likewise.
        * asan.c (asan_mem_ref_pool): Adjust to use common block size in all
        object pools.
        * cfg.c (initialize_original_copy_tables): Likewise.
        * cselib.c (elt_list_pool, elt_loc_list_pool,
        cselib_val_pool): Likewise.
        * df-problems.c (df_chain_alloc): Likewise.
        * df-scan.c (df_scan_alloc): Likewise.
        * dse.c (cse_store_info_pool, rtx_store_info_pool,
        read_info_type_pool, insn_info_type_pool, bb_info_pool,
        group_info_pool, deferred_change_pool): Likewise.
        * et-forest.c (et_nodes, et_occurrences): Likewise.
        * ipa-cp.c (ipcp_cst_values_pool, ipcp_sources_pool,
        ipcp_agg_lattice_pool): Likewise.
        * ipa-inline-analysis.c (edge_predicate_pool): Likewise.
        * ipa-profile.c (histogram_pool): Likewise.
        * ipa-prop.c (ipa_refdesc_pool): Likewise.
        * ira-build.c (live_range_pool, allocno_pool, object_pool,
        initiate_cost_vectors, pref_pool, copy_pool): Likewise.
        * ira-color.c (update_cost_record_pool): Likewise.
        * lra-lives.c (lra_live_range_pool): Likewise.
        * lra.c (lra_insn_reg_pool, lra_copy_pool): Likewise.
        * memory-block.cc: New file.
        * memory-block.h: New file.
        * regcprop.c (queued_debug_insn_change_pool): Use common block size.
        * sched-deps.c (sched_deps_init): Likewise.
        * sel-sched-ir.c (sched_lists_pool): Likewise.
        * stmt.c (expand_case, expand_sjlj_dispatch_table): Likewise.
        * tree-sra.c (access_pool): Likewise.
        * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
        * tree-ssa-pre.c (pre_expr_pool, bitmap_set_pool): Likewise.
        * tree-ssa-reassoc.c (operand_entry_pool): Likewise.
        * tree-ssa-sccvn.c (allocate_vn_table): Likewise.
        * tree-ssa-strlen.c (strinfo_pool): Likewise.
        * tree-ssa-structalias.c (variable_info_pool): Likewise.
        * var-tracking.c (attrs_def_pool, var_pool, valvar_pool,
        location_chain_pool, shared_hash_pool, loc_exp_dep_pool): Likewise.

2015-09-15  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.h (DWARF_ALT_FRAME_RETURN_COLUMN): New
        definition.
        (DWARF_FRAME_REGISTERS): Reserve space for one extra register in
        call0 ABI.

2015-09-15  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.c (xtensa_call_tls_desc): Use a10 or a2
        to pass TLS call argument, according to current ABI.
        * config/xtensa/xtensa.md (tls_call pattern): Use callx8 or
        callx0 for TLS call, according to current ABI.

2015-09-15  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-eh.c (lower_try_finally_dup_block): Clear location information
        on stack restore statements.
        (decide_copy_try_finally): Do not consider a stack restore statement as
        coming from sources.

2015-09-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_expand_block_clear): Use
        HOST_WIDE_INT_M1U instead of ~(HOST_WIDE_INT)0 when shifting.

2015-09-15  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * tree-ssa-dom.c (expr_hash_elt): Now a class with ctors/dtors,
        methods and private members.
        (avail_exprs_stack): Similarly.  Change type of global
        from a pair of expr_hash_elt_t to the new class.
        (expr_elt_hasher::hash): Corresponding changes.
        (expr_elt_hasher::equal): Similarly.
        (avail_expr_hash): Similarly.
        (pass_dominator::execute): Similarly.
        (dom_opt_dom_walker::thread_across_edge): Similarly.
        (record_cond): Similarly.
        (dom_opt_dom_walker::before_dom_children): Similarly.
        (dom_opt_dom_walker::after_dom_children): Similarly.
        (lookup_avail_expr): Likewise.
        (initialize_hash_element): Now a expr_hash_elt constructor.
        (initialize_hash_element_from_expr): Similarly.
        (free_expr_hash_elt_contents): Now a dtor for class expr_hash_elt.
        (free_expr_hash_elt): Call dtor for the element.
        (remove_local_expressions_from_table): Now the "pop_to_marker"
        method in the available_exprs_stack class.
        (avail_expr_stack::record_expr): Method factored out.
        (print_expr_hash_elt): Now a method in the expr_hash_elt class.
        Fix formatting.
        (hashable_expr_equal_p): Fix formatting.

2015-09-15  David Malcolm  <dmalcolm@redhat.com>

        * input.h (location_get_source_line): Drop "expanded_location"
        param in favor of a file and line number.
        * input.c (location_get_source_line): Likewise.
        (dump_location_info): Update for change in signature of
        location_get_source_line.
        * diagnostic.c (diagnostic_print_caret_line): Likewise.

2015-09-15  Eric Botcazou  <ebotcazou@adacore.com>

        * defaults.h (STACK_OLD_CHECK_PROTECT): Adjust for -fno-exceptions.
        Bump to 4KB for SJLJ exceptions.
        (STACK_CHECK_PROTECT): Likewise.  Bump to 8KB for SJLJ exceptions.
        * doc/tm.texi.in (STACK_CHECK_PROTECT): Adjust.
        * doc/tm.texi: Regenerate.

2015-09-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_gen_constant): Use HOST_WIDE_INT_M1U instead
        of -1 when shifting.  Change type of val to unsigned HOST_WIDE_INT.
        Update prototype.

2015-09-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67470
        * tree-ssa-loop-im.c (execute_sm_if_changed): Preserve PHI
        structure for PHI hoisting by inserting a forwarder block
        if appropriate.

2015-09-15  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm.c (TARGET_OPTION_PRINT): Define.
        (arm_option_print): New function.

2015-09-15  Christian Bruel  <christian.bruel@st.com>

        PR target/52144
        * config/arm/arm.c (arm_option_params_internal): Remove opts parameter.
        * config/arm/arm-c.c (arm_cpu_builtins): Declare static.
        Remove flags parameter.
        * config/arm/arm.h (TARGET_32BIT_P, TARGET_ARM_QBIT_P)
        (TARGET_ARM_SAT_P, TARGET_IDIV_P, TARGET_HAVE_LDREX_P)
        (TARGET_HAVE_LDREXBH_P, TARGET_HAVE_LDREXD_P, TARGET_DSP_MULTIPLY_P)
        (TARGET_ARM_FEATURE_LDREX_P, TARGET_INT_SIMD_P): Redefine macros with...
        (TARGET_ARM_SAT, TARGET_IDIV, TARGET_HAVE_LDREX)
        (TARGET_HAVE_LDREXBH, TARGET_HAVE_LDREXD, TARGET_ARM_FEATURE_LDREX)
        (TARGET_DSP_MULTIPLY, TARGET_INT_SIMD): Redefined macros.
        * config/arm/arm-protos.h (arm_cpu_builtins): Remove declaration.

2015-09-15  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64.h (AARCH64_VALID_SIMD_DREG_MODE): New.

        * config/aarch64/aarch64.c (aarch64_array_mode_supported_p): Add
        AARCH64_VALID_SIMD_DREG_MODE.

2015-09-15  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_ld2r<mode>,
        aarch64_ld3r<mode>, aarch64_ld4r<mode>): Combine together, making...
        (aarch64_simd_ld<VSTRUCT:nregs>r<VALLDIF:mode>): ...this.
        (aarch64_ld2_lane<mode>, aarch64_ld3_lane<mode>,
        aarch64_ld4_lane<mode>): Combine together, making...
        (aarch64_ld<VSTRUCT:nregs>_lane<VALLDIF:mode>): ...this.
        (aarch64_st2_lane<mode>, aarch64_st3_lane<mode>,
        aarch64_st4_lane<mode>): Combine together, making...
        (aarch64_st<VSTRUCT:nregs>_lane<VALLDIF:mode>): ...this.
        * config/aarch64/iterators.md (nregs): Add comment.

2015-09-15  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_simd_ld2r<mode>):
        Change operand mode from <V_TWO_ELEM> to BLK.
        (aarch64_vec_load_lanesoi_lane<mode>): Likewise.
        (aarch64_vec_store_lanesoi_lane<mode): Likewise
        (aarch64_ld2r<mode>): Generate MEM rtx with BLKmode, call set_mem_size.
        (aarch64_ld2_lane<mode>): Likewise.
        (aarch64_st2_lane<VQ:mode>): Likewise.
        * config/aarch64/iterators.md (V_TWO_ELEM): Remove.

2015-09-15  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_simd_ld4r<mode>):
        Change operand mode from <V_FOUR_ELEM> to BLK.
        (aarch64_vec_load_lanesxi_lane<mode>): Likewise.
        (aarch64_vec_store_lanesxi_lane<mode): Likewise.
        (aarch64_ld4r<mode>): Generate MEM rtx with BLKmode, call set_mem_size.
        (aarch64_ld4_lane<mode>): Likewise.
        (aarch64_st4_lane<mode>): Likewise.
        * config/aarch64/iterators.md (V_FOUR_ELEM): Remove.

2015-09-15  Richard Biener  <rguenther@suse.de>

        PR middle-end/67563
        * gimple-fold.c (gimplify_and_update_call_from_tree): Do not
        transfer EH info from old to new stmt.
        (replace_call_with_value): Likewise.
        (replace_call_with_call_and_fold): Likewise.
        (gimple_fold_builtin_memory_op): Likewise.
        (gimple_fold_builtin_memset): Likewise.
        (gimple_fold_builtin_stpcpy): Likewise.
        (gimple_fold_call): Likewise.

2015-09-15  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64.c (aarch64_simd_attr_length_rglist): Update
        comment.
        * config/aarch64/aarch64-builtins.c (ei_UP): Remove.
        (aarch64_simd_intEI_type_node): Likewise.
        (aarch64_simd_builtin_std_type): Remove EImode case.
        (aarch64_init_simd_builtin_types): Don't create/add intEI_type_node.
        * config/aarch64/aarch64-modes.def: Remove EImode.

2015-09-15  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_simd_ld3r<mode>):
        Change operand mode from <V_THREE_ELEM> to BLK.
        (aarch64_vec_load_lanesci_lane<mode>): Likewise.
        (aarch64_vec_store_lanesci_lane<mode>): Likewise.
        (aarch64_ld3r<mode>): Generate MEM rtx with BLKmode, call set_mem_size.
        (aarch64_ld3_lane<mode>): Likewise.
        (aarch64_st3_lane<mode>): Likewise.
        * config/aarch64/iterators.md (V_THREE_ELEM): Remove.

2015-09-15  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_ld2<mode>_dreg VD & DX, aarch64_st2<mode>_dreg VD & DX ):
        Change all TImode operands to BLKmode.
        (aarch64_ld3<mode>_dreg VD & DX, aarch64_st3<mode>_dreg VD & DX):
        Change all EImode operands to BLKmode.
        (aarch64_ld4<mode>_dreg VD & DX, aarch64_st4<mode>_dreg VD & DX):
        Change all OImode operands to BLKmode.

        (aarch64_ld<VSTRUCT:nregs><VDC:mode>): Generate MEM rtx with BLKmode
        and call set_mem_size.
        (aarch64_st<VSTRUCT:nregs><VDC:mode>): Likewise.

        * config/aarch64/iterators.md (VSTRUCT_DREG): Remove.

2015-09-15  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md (vec_store_lanesoi_lane<mode>): Rename
        to...
        (aarch64_vec_store_lanesoi_lane<mode>): ...this.

        (vec_store_lanesci_lane<mode>): Rename to...
        (aarch64_vec_store_lanesci_lane<mode>): ...this.

        (vec_store_lanesxi_lane<mode>): Rename to...
        (aarch64_vec_store_lanesxi_lane<mode>): ...this.

        (aarch64_st2_lane<mode>, aarch64_st3_lane<mode>,
        aarch64_st4_lane<mode>): Follow renaming.

2015-09-15  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_const_operand_ok): Add missing
        brackets.

2015-09-15  Richard Biener  <rguenther@suse.de>

        PR lto/67568
        * lto-streamer.h (lto_location_cache::current_sysp): Properly
        initialize.
        * lto-streamer-out.c (clear_line_info): Likewise.

2015-09-15  Richard Biener  <rguenther@suse.de>

        * doc/match-and-simplify.texi: Fix wording.

2015-09-15  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Strip
        unnecessary type conversion in op1.

2015-09-14  Segher Boessenkool  <segher@kernel.crashing.org>

        * shrink-wrap.c (requires_stack_frame_p): Fix formatting.
        (dup_block_and_redirect): Delete function.
        (can_dup_for_shrink_wrapping): New function.
        (fix_fake_fallthrough_edge): New function.
        (try_shrink_wrapping): Rewrite function.
        (convert_to_simple_return): Call fix_fake_fallthrough_edge.

2015-09-14  Rich Felker  <dalias@libc.org>

        * configure.ac: Change target pattern for sh TLS support
        test from "sh[34]-*-*" to "sh[123456789lbe]*-*-*".
        * configure: Regenerate.

2015-09-14  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * tree-ssa-dom.c (avail_expr_hash): Pass a pointer to a real
        type rather than void *.

2015-09-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/67460
        * diagnostic.c (diagnostic_initialize): Do not set
        some_warnings_are_errors.
        (diagnostic_finish): Use DK_WERROR count instead.
        (diagnostic_report_diagnostic): Do not set
        some_warnings_are_errors.
        * diagnostic.h (struct diagnostic_context): Remove
        some_warnings_are_errors.

2015-09-14  Richard Sandiford  <richard.sandiford@arm.com>

        * config/sparc/predicates.md (const_all_ones_operand): Use
        CONSTM1_RTX to simplify definition.

2015-09-14  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67061
        * config/sh/sh-protos.h (sh_find_set_of_reg): Simplfiy for-loop.
        Handle call insns.

2015-09-14  Chung-Lin Tang  <cltang@codesourcery.com>

        * lto-wrapper.c (merge_and_complain): Add OPT_fdiagnostics_show_caret,
        OPT_fdiagnostics_show_option, OPT_fdiagnostics_show_location_, and
        OPT_fshow_column to handled saved option cases.
        (append_compiler_options): Do not skip the above added options.

2015-09-14  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/63304
        * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Handle
        nopcrelative_literal_loads.
        (aarch64_classify_address): Likewise.
        (aarch64_constant_pool_reload_icode): Define.
        (aarch64_secondary_reload): Handle secondary reloads for
        literal pools.
        (aarch64_override_options): Handle nopcrelative_literal_loads.
        (aarch64_classify_symbol): Handle nopcrelative_literal_loads.
        * config/aarch64/aarch64.md (aarch64_reload_movcp<GPF_TF:mode><P:mode>):
        Define.
        (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
        * config/aarch64/aarch64.opt (mpc-relative-literal-loads): New option.
        * config/aarch64/predicates.md (aarch64_constant_pool_symref): New
        predicate.
        * doc/invoke.texi (mpc-relative-literal-loads): Document.

2015-09-14  John David Anglin  <danglin@gcc.gnu.org>

        PR middle-end/67401
        * optabs.c (expand_atomic_compare_and_swap): Move result of emitting
        sync_compare_and_swap_optab libcall to target_oval.

2015-09-14  Marek Polacek  <polacek@redhat.com>

        * rtlanal.c (split_double): Cast to unsigned when shifting a negative
        value.
        * sched-int.h (UNKNOWN_DEP_COST): Likewise.

2015-09-11  Mark Wielaard  <mjw@redhat.com>

        PR c/28901
        * toplev.c (check_global_declaration): Check and use
        warn_unused_const_variable.
        * doc/invoke.texi (Warning Options): Add -Wunused-const-variable.
        (-Wunused-variable): Remove non-constant. For C implies
        -Wunused-const-variable.
        (-Wunused-const-variable): New.

2015-09-14  Richard Biener  <rguenther@suse.de>

        * doc/match-and-simplify.texi: Update for changed syntax
        of inner ifs and the new switch expression.

2015-09-14  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * config/i386/haswell.md: New file describing Haswell pipeline.
        * config/i386/i386.c (processor_alias_table): Use CPU_HASWELL for
        haswell-like processors.
        (ix86_reassociation_width): Increase reassociation width for 64-bit
        Haswell processor family.
        * config/i386/i386.md: Introduce haswell cpu and include new md file.

2015-09-14  Richard Biener  <rguenther@suse.de>

        * doc/match-and-simplify.texi: Fixup some formatting issues
        and document the 's' flag.

2015-09-13  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * config.gcc (visium-*-*): Enable --with-cpu option, accept gr5 and
        gr6 as possible values, defaulting to gr5.  Set target_cpu_default2.
        * config/visium/visium.h (OPTION_DEFAULT_SPECS): Define.
        (TARGET_CPU_gr5): Likewise.
        (TARGET_CPU_gr6): Likewise.
        (MULTILIB_DEFAULTS): Likewise.
        * config/visium/t-visium (MULTILIB_OPTIONS): Request distinct variants
        for mcpu=gr5 and mcpu=gr6.
        (MULTILIB_DIRNAMES): Adjust accordingly.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * tree-ssa-loop-im.c (mem_ref_loc_p): Remove typedef.
        (mem_ref_p): Likewise.
        (outermost_indep_loop): Adjust.
        (mem_ref_in_stmt): Likewise.
        (determine_max_movement): Likewise.
        (mem_ref_alloc): Likewise.
        (record_mem_ref_loc): Likewise.
        (set_ref_stored_in_loop): Likewise.
        (mark_ref_stored): Likewise.
        (gather_mem_refs_stmt): Likewise.
        (mem_refs_may_alias_p): Likewise.
        (for_all_locs_in_loop): Likewise.
        (struct rewrite_mem_ref_loc): Likewise.
        (rewrite_mem_refs): Likewise.
        (struct first_mem_ref_loc_1): Likewise.
        (first_mem_ref_loc): Likewise.
        (struct sm_set_flag_if_changed): Likewise.
        (execute_sm_if_changed_flag_set): Likewise.
        (execute_sm): Likewise.
        (hoist_memory_references):
        (struct ref_always_accessed): Likewise.
        (ref_always_accessed_p): Likewise.
        (refs_independent_p): Likewise.
        (record_dep_loop): Likewise.
        (ref_indep_loop_p_1): Likewise.
        (ref_indep_loop_p_2): Likewise.
        (ref_indep_loop_p): Likewise.
        (can_sm_ref_p): Likewise.
        (find_refs_for_sm): Likewise.
        (tree_ssa_lim_finalize): Likewise.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * dwarf2out.c (dw_attr_ref): Remove typedef.
        (dw_line_info_ref): Likewise.
        (pubname_ref): Likewise.
        (dw_ranges_ref): Likewise.
        (dw_ranges_by_label_ref): Likewise.
        (comdat_type_node_ref): Likewise.
        (get_AT): Adjust.
        (get_AT_low_pc): Likewise.
        (get_AT_hi_pc): Likewise.
        (get_AT_string): Likewise.
        (get_AT_flag): Likewise.
        (get_AT_unsigned): Likewise.
        (get_AT_ref): Likewise.
        (get_AT_file): Likewise.
        (remove_AT): Likewise.
        (print_die): Likewise.
        (check_die): Likewise.
        (die_checksum): Likewise.
        (attr_checksum_ordered): Likewise.
        (struct checksum_attributes): Likewise.
        (collect_checksum_attributes): Likewise.
        (die_checksum_ordered): Likewise.
        (same_die_p): Likewise.
        (is_declaration_die): Likewise.
        (clone_die): Likewise.
        (clone_as_declaration): Likewise.
        (copy_declaration_context): Likewise.
        (break_out_comdat_types): Likewise.
        (copy_decls_walk): Likewise.
        (output_location_lists): Likewise.
        (external_ref_hasher::hash): Likewise.
        (optimize_external_refs_1): Likewise.
        (build_abbrev_table): Likewise.
        (size_of_die): Likewise.
        (unmark_all_dies): Likewise.
        (size_of_pubnames): Likewise.
        (output_die_abbrevs): Likewise.
        (output_die): Likewise.
        (output_pubnames): Likewise.
        (add_ranges_num): Likewise.
        (add_ranges_by_labels): Likewise.
        (add_high_low_attributes): Likewise.
        (gen_producer_string): Likewise.
        (dwarf2out_set_name): Likewise.
        (new_line_info_table): Likewise.
        (prune_unused_types_walk_attribs): Likewise.
        (prune_unused_types_update_strings): Likewise.
        (prune_unused_types): Likewise.
        (resolve_addr): Likewise.
        (optimize_location_lists_1): Likewise.
        (index_location_lists): Likewise.
        (dwarf2out_finish): Likewise.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * dwarf2cfi.c (dw_trace_info_ref): Remove typedef.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * tree-vrp.c (struct assert_locus_d): Rename to assert_locus.
        (dump_asserts_for): Adjust.
        (register_new_assert_for): Likewise.
        (process_assert_insertions): Likewise.
        (insert_range_assertions): Likewise.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * tree-ssa-ter.c (temp_expr_table_d): Rename to temp_expr_table
        and remove typedef.
        (new_temp_expr_table): Adjust.
        (free_temp_expr_table): Likewise.
        (version_to_be_replaced_p): Likewise.
        (make_dependent_on_partition): Likewise.
        (add_to_partition_kill_list): Likewise.
        (remove_from_partition_kill_list): Likewise.
        (add_dependence): Likewise.
        (finished_with_expr): Likewise.
        (process_replaceable): Likewise.
        (kill_expr): Likewise.
        (kill_virtual_exprs): Likewise.
        (mark_replaceable): Likewise.
        (find_replaceable_in_bb): Likewise.
        (find_replaceable_exprs): Likewise.
        (debug_ter): Likewise.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * bt-load.c (struct btr_def_group): Rename from btr_def_group_s.
        (struct btr_user): Rename from btr_user_s.
        (struct btr_def): Rename from btr_def_s.
        (find_btr_def_group): Adjust.
        (add_btr_def): Likewise.
        (new_btr_user): Likewise.
        (note_other_use_this_block): Likewise.
        (compute_defs_uses_and_gen): Likewise.
        (link_btr_uses): Likewise.
        (build_btr_def_use_webs): Likewise.
        (block_at_edge_of_live_range_p): Likewise.
        (btr_def_live_range): Likewise.
        (combine_btr_defs): Likewise.
        (move_btr_def): Likewise.
        (migrate_btr_def): Likewise.
        (migrate_btr_defs): Likewise.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * var-tracking.c (shared_hash_def): Rename to shared_hash.
        (shared_hash): Remove typedef.
        (struct dataflow_set): Adjust.
        (shared_hash_unshare): Likewise.
        (dataflow_set_merge): Likewise.
        (vt_initialize): Likewise.
        (vt_finalize): Likewise.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * var-tracking.c (struct location_chain): Rename from
        location_chain_def.
        (struct variable_part): Adjust.
        (variable_htab_free): Likewise.
        (unshare_variable): Likewise.
        (get_init_value): Likewise.
        (get_addr_from_local_cache): Likewise.
        (drop_overlapping_mem_locs): Likewise.
        (val_reset): Likewise.
        (struct variable_union_info): Likewise.
        (variable_union): Likewise.
        (find_loc_in_1pdv): Likewise.
        (insert_into_intersection): Likewise.
        (intersect_loc_chains): Likewise.
        (canonicalize_loc_order_check): Likewise.
        (canonicalize_values_mark): Likewise.
        (canonicalize_values_star): Likewise.
        (canonicalize_vars_star): Likewise.
        (variable_merge_over_cur): Likewise.
        (remove_duplicate_values): Likewise.
        (variable_post_merge_new_vals): Likewise.
        (variable_post_merge_perm_vals): Likewise.
        (find_mem_expr_in_1pdv): Likewise.
        (dataflow_set_preserve_mem_locs): Likewise.
        (dataflow_set_remove_mem_locs): Likewise.
        (variable_part_different_p): Likewise.
        (onepart_variable_different_p): Likewise.
        (find_src_set_src): Likewise.
        (dump_var): Likewise.
        (set_slot_part): Likewise.
        (clobber_slot_part): Likewise.
        (delete_slot_part): Likewise.
        (vt_expand_var_loc_chain): Likewise.
        (emit_note_insn_var_location): Likewise.
        (vt_finalize): Likewise.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * dse.c (store_info_t): Remove typedef.
        (group_info_t): Likewise.
        (const_group_info_t): Likewise.
        (deferred_change_t): Likewise.
        (get_group_info): Adjust.
        (free_store_info): Likewise.
        (canon_address): Likewise.
        (clear_rhs_from_active_local_stores): Likewise.
        (record_store): Likewise.
        (replace_read): Likewise.
        (check_mem_read_rtx): Likewise.
        (scan_insn): Likewise.
        (remove_useless_values): Likewise.
        (dse_step1): Likewise.
        (dse_step2_init): Likewise.
        (dse_step2_nospill): Likewise.
        (scan_stores_nospill): Likewise.
        (scan_reads_nospill): Likewise.
        (dse_step3_exit_block_scan): Likewise.
        (dse_step3): Likewise.
        (dse_step5_nospill): Likewise.
        (dse_step6): Likewise.

2015-09-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * alias.c (alias_set_entry_d): Rename to alias_set_entry.
        (alias_set_entry): Remove typedef.
        (alias_set_subset_of): Adjust.
        (alias_sets_conflict_p): Likewise.
        (init_alias_set_entry): Likewise.
        (get_alias_set): Likewise.
        (new_alias_set): Likewise.
        (record_alias_subset): Likewise.

2015-09-13  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Downloading the source): Mark up
        contrib/download_prerequisites properly and drop leading "./".

2015-09-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * config/arc/arc.h: Remove define of STRUCT_VALUE.
        * config/lm32/lm32.h: Likewise.
        * config/mep/mep.h: Likewise.
        * config/visium/visium.h: Likewise.
        * system.h: Poison STRUCT_VALUE macro.

2015-09-12  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_output_move_double): Enhance to handle HIGH
        CONSTANT_P operands.

2015-09-11  David S. Miller  <davem@davemloft.net>

        * config/sparc/constraints.md: Make "U" constraint a real register
        constraint.
        * config/sparc/sparc.c (TARGET_LRA_P): Define.
        (D_MODES, DF_MODES): Add missing cast.
        (TF_MODES, TF_MODES_NO_S): Include T_MODE.
        (OF_MODES, OF_MODES_NO_S): Include O_MODE.
        (sparc_register_move_cost): Decrease Niagara/UltrsSPARC memory
        cost to 8.
        * config/sparc/sparc.h (PROMOTE_MODE): Define.
        * config/sparc/sparc.md (*movsi_lo_sum, *movsi_high): Do not
        provide these insn when flag_pic.

2015-09-11  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * tree-ssa-dom.c (struct cond_equivalence): Update comment.
        * tree-ssa-scopedtables.h (class const_and_copies): Prefix data
        member with m_.  Update inline member functions as necessary.  Add
        toplevel comment.
        * tree-ssa-scopedtables.c: Update const_and_copies's member
        functions to use m_ prefix to access the stack.

2015-09-11  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-optimize-isl.c (disable_tiling): Remove.
        (get_schedule_for_band): Do not use disable_tiling.
        (get_prevector_map): Delete function.
        (enable_polly_vector): Remove.
        (get_schedule_for_band_list): Remove dead code.

2015-09-11  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-optimize-isl.c (get_tile_map): Refactor.
        (get_schedule_for_band): Same.
        (getScheduleForBand): Same.
        (get_prevector_map): Same.
        (get_schedule_for_band_list): Same.
        (get_schedule_map): Same.
        (get_single_map): Same.
        (apply_schedule_map_to_scop): Same.
        (optimize_isl): Same.

2015-09-10  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/63304
        * config/aarch64/aarch.md (mov<mode>:GPF_F16): Use GPF_TF_F16.
        (movtf): Delete.
        * config/aarch64/iterators.md (GPF_TF_F16): New.
        (GPF_F16): Delete.

2015-09-10  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_expand_call): Add spacing.
        (nvptx_reorg): Adjust comments.

2015-09-15  John David Anglin  <danglin@gcc.gnu.org>

        PR bootstrap/67363
        * configure.ac: Check if setenv and unsetenv are declared.
        * configure: Rebuild.
        * config.in: Rebuild.
        * system.h: Declare setenv and unsetenv if not declared.

2015-09-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (swap_web_entry): Update preceding
        commentary to simplify permute mask adjustment equation.
        (special_handling_values): Add SH_VPERM.
        (const_load_sequence_p): New function.
        (insn_is_swappable_p): Add logic to recognize an UNSPEC_VPERM with
        the mask loaded from the constant pool.
        (adjust_vperm): New function.
        (handle_special_swappables): Call adjust_vperm.
        (dump_swap_insn_table): Handle SH_VPERM.

2015-09-10  H.J. Lu  <hongjiu.lu@intel.com>

        * shrink-wrap.c (requires_stack_frame_p): Remove static.
        * shrink-wrap.h (requires_stack_frame_p): Put back.

2015-09-10  Richard Sandiford  <richard.sandiford@arm.com>

        * reload1.c (elimination_costs_in_insn): Locally turn
        -Wmaybe-uninitialized into a warning.

2015-09-10  Segher Boessenkool  <segher@kernel.crashing.org>

        * shrink-wrap.c (requires_stack_frame_p): Make static.
        (prepare_shrink_wrap): Likewise.
        (dup_block_and_redirect): Likewise.
        * shrink-wrap.h: Remove declarations of those functions.

2015-09-10  Mark Wielaard  <mjw@redhat.com>

        * doc/invoke.texi (Wnonnull): Also warns when comparing against NULL.

2015-09-10  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67506
        * config/sh/sh.c (sh_extending_set_of_reg::use_as_extended_reg): Add
        missing simplify_gen_subreg.

2015-09-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_contiguous_bitmask_vector_p): Reject if
        the vector element is bigger than 64 bit.

2015-09-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vx-builtins.md ("vec_vmal<mode>", "vec_vmah<mode>")
        ("vec_vmalh<mode>"): Change mode iterator from VI_HW to VI_HW_QHS.

2015-09-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c: Add V1TImode to constant pool modes.

2015-09-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/67439
        * config/arm/arm.md (*arm32_movhf): Remove !arm_restrict_it from
        predicate.  Set predicable_short_it attr to "no".

2015-09-10  Jiong Wang  <jiong.wang@arm.com>

        PR rtl-optimization/67421
        * expr.c (expand_expr_real_2): Cost instrcution sequences when doing
        left wide shift tranformation.

2015-09-10  Claudiu Zissulescu  <claziss@synopsys.com>

        * common/config/arc/arc-common.c: Remove references to A5.
        * config/arc/arc-opts.h: Likewise.
        * config/arc/arc.c, config/arc/arc.h, config/arc/arc.md: Likewise.
        * config/arc/arc.opt, config/arc/constraints.md: Likewise.
        * config/arc/t-arc-newlib: Likewise.

2015-09-10  Claudiu Zissulescu <claziss@synopsys.com>

        * config/arc/arc.md (length): Fix attribute length for conditional
        executed instructions with long immediate.

2015-09-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (*and<mode>3nr_compare0): Use logics_imm
        type for second alternative.

2015-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * doc/invoke.texi (Downloading GCC): Mention
        contrib/download_prerequisites script.

2015-09-10  Jakub Jelinek  <jakub@redhat.com>

        PR c++/67523
        * gimplify.c (gimplify_omp_for): If inner stmt is not found
        for combined loop, assert seen_error () and return GS_ERROR.

        PR middle-end/67521
        * gimplify.c (gimplify_omp_for): Don't call omp_add_variable
        if decl is already in outer->variables.

        PR middle-end/67517
        * gimplify.c (gimplify_scan_omp_clauses): Instead of
        asserting that decl is not specified in octx->variables,
        break out of the loop if it is.

        PR c++/67514
        * gimplify.c (gimplify_omp_for): For loop SIMD construct, if
        iterator is not explicitly determined, but is defined inside
        of the combined workshare region, handle it like if it has
        DECL_EXPR in OMP_FOR_PRE_BODY.

2015-09-09  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.md (call_operation): Move bound out of loop.
        (*cmp<mode>): Add assembler spacing.
        (setcc_int<mode>, set_cc_float<mode>): Likewise.
        * config/nvptx/nvptx.c (nvptx_option_override): Override debug
        level.
        (write_func_decl_from_insn): Refactor argument loops & comma emission.
        (nvptx_expand_call): Likewise.
        (nvptx_output_call_insn): Likewise.
        (nvptx_reorg_subreg): Add spacing.

2015-09-09  Marek Polacek  <polacek@redhat.com>

        PR middle-end/67512
        * tree-ssa-uninit.c (pred_equal_p): Only call invert_tree_comparison
        for comparisons.

2015-09-09  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/53184
        * doc/invoke.texi ([Wsubobject-linkage]): Document.

2015-09-09  Tom de Vries  <tom@codesourcery.com>

        * params-list.h: Add missing copyright notice.

2015-09-09  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.md (atomic_compare_and_swap<mode>): Use
        sel_truesi, not andsi.

2015-09-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.md (*subsi3_compare0): Rename to...
        (subsi3_compare0): ... This.
        (modsi3): New define_expand.
        * config/arm/arm.c (arm_new_rtx_costs, MOD case): Handle case
        when operand is power of 2.

2015-09-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (mod<mode>3): New define_expand.
        (*neg<mode>2_compare0): Rename to...
        (neg<mode>2_compare0): ... This.
        * config/aarch64/aarch64.c (aarch64_rtx_costs, MOD case):
        Move check for speed inside the if-then-elses.  Reflect
        CSNEG sequence in MOD by power of 2 case.

2015-09-09  Alan Modra  <amodra@gmail.com>

        PR target/67378
        * config/rs6000/rs6000.c (rs6000_secondary_reload_gpr): Find
        reload replacement for PRE_MODIFY address reg.

2015-09-09  Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/53852
        * config.in: Regenerate.
        * configure: Regenerate.
        * configure.ac (HAVE_ISL_CTX_MAX_OPERATIONS): Detect.
        * graphite-optimize-isl.c (optimize_isl): Stop computation when
        PARAM_MAX_ISL_OPERATIONS is reached.
        * params.def (PARAM_MAX_ISL_OPERATIONS): Add.
        * graphite-dependences.c (extend_schedule): Remove gcc_asserts on
        result equal to isl_stat_ok as the status now can be isl_error_quota.
        (subtract_commutative_associative_deps): Same.
        (compute_deps): Same.

2015-09-08  Aditya Kumar  <hiraditya@msn.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
        Return the parameter if it was saved in corresponding
        parameter_rename_map of the region.
        (copy_def): Copy def from sese region to the newly created region.
        (copy_internal_parameters): Copy all the internal parameters defined
        within a region to the newly created region.
        (graphite_regenerate_ast_isl): Copy parameters to the new region before
        translating isl to gimple.
        * graphite-scop-detection.c (graphite_can_represent_loop): Bail out if
        the loop-nest does not have any data-references.
        (build_graphite_scops): Create a scop only when there is at least one
        loop inside it.
        (contains_only_close_phi_nodes): Deleted.
        (print_graphite_scop_statistics): Deleted
        (print_graphite_statistics): Deleted
        (limit_scops): Deleted.
        (build_scops): Removed call to limit_scops.
        * sese.c (new_sese): Construct.
        (free_sese): Destruct.
        (sese_add_exit_phis_edge): update_stmt after exit phi edge has been
        added.
        (set_rename): Pass sese region so that parameters inside the region can
        be added to its parameter_rename_map.
        (rename_uses): Pass sese region.
        (graphite_copy_stmts_from_block): Do not copy parameters that have been
        generated in the header of the scop. For each SSA_NAME in the
        parameter_rename_map rename its usage.
        (invariant_in_sese_p_rec): Return false if tree t is defined outside
        sese region.
        (scalar_evolution_in_region): If the tree t is invariant just return t.
        * sese.h: Added a parameter renamne map (parameter_rename_map_t) to
        struct sese to keep track of all the parameters which need renaming.
        * tree-data-ref.c (loop_nest_has_data_refs): Check if a loop nest has
        any data-refs.
        * tree-data-ref.h: Declaration of loop_nest_has_data_refs.

2015-09-08  Tom de Vries  <tom@codesourcery.com>

        * Makefile.in (generated_files): Add params.list.
        (params.list, s-params.list): Add rule.
        * params.h (enum compiler_param): Include params-list.h.  Move define
        DEFPARAM, include params.def and undef DEFPARAM ...
        * params-list.h: ... here.  New file.

2015-09-08  David Malcolm  <dmalcolm@redhat.com>

        * pretty-print.h (printer_fn): Fix typo in comment.

2015-09-07  Jeff Law  <law@redhat.com>

        * tree-ssa-scopedtables.h (class const_and_copies): Fix comment typo.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * doc/sourcebuild.texi (arm_neon_fp16): Correct cross-reference.
        (arm_neon_fp16_ok): Document adding of -mfp16-format=ieee flag.
        (arm_neon_fp16_hw): New.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * fold-const.c (native_interpret_real): Fix HFmode for bigendian where
        UNITS_PER_WORD >= 4.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_simd_vec_unpacks_lo_<mode>,
        aarch64_simd_vec_unpacks_hi_<mode>): New insn.
        (vec_unpacks_lo_v4sf, vec_unpacks_hi_v4sf): Delete insn.
        (vec_unpacks_lo_<mode>, vec_unpacks_hi_<mode>): New expand.
        (aarch64_float_extend_lo_v2df): Rename to...
        (aarch64_float_extend_lo_<Vwide>): this, using VDF and so adding V4SF.

        * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi): Add v8hf.
        (float_extend_lo): Add v4sf.

        * config/aarch64/arm_neon.h (vcvt_f32_f16, vcvt_high_f32_f16): New.
        * config/aarch64/iterators.md (VQ_HSF): New iterator.
        (VWIDE, Vwtype, Vhalftype): Add V8HF, V4SF.
        (Vwide): New mode_attr.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_simd_dup<mode>,
        aarch64_dup_lane<mode>, aarch64_dup_lane_<vswap_width_name><mode>,
        aarch64_simd_vec_set<mode>, vec_set<mode>, vec_perm_const<mode>,
        vec_init<mode>, *aarch64_simd_ld1r<mode>, vec_extract<mode>): Add
        V4HF and V8HF variants to iterator.

        * config/aarch64/aarch64.c (aarch64_evpc_dup): Add V4HF and V8HF cases.

        * config/aarch64/iterators.md (VDQF_F16): New.
        (VSWAP_WIDTH, vswap_width_name): Add V4HF and V8HF cases.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/arm_neon.h (vreinterpret_p8_f16, vreinterpret_p16_f16,
        vreinterpret_f16_f64, vreinterpret_f16_s8, vreinterpret_f16_s16,
        vreinterpret_f16_s32, vreinterpret_f16_s64, vreinterpret_f16_f32,
        vreinterpret_f16_u8, vreinterpret_f16_u16, vreinterpret_f16_u32,
        vreinterpret_f16_u64, vreinterpret_f16_p8, vreinterpret_f16_p16,
        vreinterpretq_f16_f64, vreinterpretq_f16_s8, vreinterpretq_f16_s16,
        vreinterpretq_f16_s32, vreinterpretq_f16_s64, vreinterpretq_f16_f32,
        vreinterpretq_f16_u8, vreinterpretq_f16_u16, vreinterpretq_f16_u32,
        vreinterpretq_f16_u64, vreinterpretq_f16_p8, vreinterpretq_f16_p16,
        vreinterpret_f32_f16, vreinterpret_f64_f16, vreinterpret_s64_f16,
        vreinterpret_u64_f16, vreinterpretq_u64_f16, vreinterpret_s8_f16,
        vreinterpret_s16_f16, vreinterpret_s32_f16, vreinterpret_u8_f16,
        vreinterpret_u16_f16, vreinterpret_u32_f16, vreinterpretq_p8_f16,
        vreinterpretq_p16_f16, vreinterpretq_f32_f16, vreinterpretq_f64_f16,
        vreinterpretq_s64_f16, vreinterpretq_s8_f16, vreinterpretq_s16_f16,
        vreinterpretq_s32_f16, vreinterpretq_u8_f16, vreinterpretq_u16_f16,
        vreinterpretq_u32_f16, vget_low_f16, vget_high_f16, vld1_dup_f16,
        vld1q_dup_f16): New.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_float_truncate_lo_v2sf):
        Reparameterize to...
        (aarch64_float_truncate_lo_<mode>): ...this, for both V2SF and V4HF.
        (aarch64_float_truncate_hi_v4sf): Reparameterize to...
        (aarch64_float_truncate_hi_<Vdbl>): ...this, for both V4SF and V8HF.

        * config/aarch64/aarch64-simd-builtins.def (float_truncate_hi_): Add
        v8hf variant.
        (float_truncate_lo_): Use BUILTIN_VDF iterator.

        * config/aarch64/arm_neon.h (vcvt_f16_f32, vcvt_high_f16_f32): New.

        * config/aarch64/iterators.md (VDF, Vdtype): New.
        (VWIDE, Vmwtype): Add cases for V4HF and V2SF.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64.c (aarch64_split_simd_combine): Add V4HFmode.
        * config/aarch64/aarch64-builtins.c (VAR13, VAR14): New.
        (aarch64_scalar_builtin_types, aarch64_init_simd_builtin_scalar_types):
        Add __builtin_aarch64_simd_hf.
        * config/aarch64/arm_neon.h (float16x4x2_t, float16x8x2_t,
        float16x4x3_t, float16x8x3_t, float16x4x4_t, float16x8x4_t,
        vcombine_f16, vst2_lane_f16, vst2q_lane_f16, vst3_lane_f16,
        vst3q_lane_f16, vst4_lane_f16, vst4q_lane_f16, vld2_f16, vld2q_f16,
        vld3_f16, vld3q_f16, vld4_f16, vld4q_f16, vld2_dup_f16, vld2q_dup_f16,
        vld3_dup_f16, vld3q_dup_f16, vld4_dup_f16, vld4q_dup_f16,
        vld2_lane_f16, vld2q_lane_f16, vld3_lane_f16, vld3q_lane_f16,
        vld4_lane_f16, vld4q_lane_f16, vst2_f16, vst2q_f16, vst3_f16,
        vst3q_f16, vst4_f16, vst4q_f16, vcreate_f16): New.

        * config/aarch64/iterators.md (VALLDIF, Vtype, Vetype, Vbtype,
        V_cmp_result, v_cmp_result): Add cases for V4HF and V8HF.
        (VDC, Vdbl): Add V4HF.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64.c (aarch64_vector_mode_supported_p): Support
        V4HFmode and V8HFmode.
        (aarch64_split_simd_move): Add case for V8HFmode.
        * config/aarch64/aarch64-builtins.c (v4hf_UP, v8hf_UP): Define.
        (aarch64_simd_builtin_std_type): Handle HFmode.
        (aarch64_init_simd_builtin_types): Include Float16x4_t and Float16x8_t.

        * config/aarch64/aarch64-simd.md (mov<mode>, aarch64_get_lane<mode>,
        aarch64_ld1<VALL:mode>, aarch64_st1<VALL:mode): Use VALL_F16 iterator.
        (aarch64_be_ld1<mode>, aarch64_be_st1<mode>): Use VALLDI_F16 iterator.

        * config/aarch64/aarch64-simd-builtin-types.def: Add Float16x4_t,
        Float16x8_t.

        * config/aarch64/aarch64-simd-builtins.def (ld1, st1): Use VALL_F16.
        * config/aarch64/arm_neon.h (float16x4_t, float16x8_t, float16_t):
        New typedefs.
        (vget_lane_f16, vgetq_lane_f16, vset_lane_f16, vsetq_lane_f16,
        vld1_f16, vld1q_f16, vst1_f16, vst1q_f16, vst1_lane_f16,
        vst1q_lane_f16): New.
        * config/aarch64/iterators.md (VD, VQ, VQ_NO2E): Add vectors of HFmode.
        (VALLDI_F16, VALL_F16): New.
        (Vmtype, VEL, VCONQ, VHALF, V_TWO_ELEM, V_THREE_ELEM, V_FOUR_ELEM, q):
        Add cases for V4HF and V8HF.
        (VDBL, VRL2, VRL3, VRL4): Add V4HF case.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/arm-builtins.c (VAR11, VAR12): New.
        * config/arm/arm_neon_builtins.def (vcombine, vld2_dup, vld3_dup,
        vld4_dup): Add v4hf variant.
        (vget_high, vget_low): Add v8hf variant.
        (vld1, vst1, vst1_lane, vld2, vld2_lane, vst2, vst2_lane, vld3,
        vld3_lane, vst3, vst3_lane, vld4, vld4_lane, vst4, vst4_lane): Add
        v4hf and v8hf variants.

        * config/arm/iterators.md (VD_LANE, VD_RE, VQ2, VQ_HS): New.
        (VDX): Add V4HF.
        (V_DOUBLE): Add case for V4HF.
        (VQX): Add V8HF.
        (V_HALF): Add case for V8HF.
        (VDQX): Add V4HF, V8HF.
        (V_elem, V_two_elem, V_three_elem, V_four_elem, V_cmp_result,
        V_uf_sclr, V_sz_elem, V_mode_nunits, q): Add cases for V4HF & V8HF.

        * config/arm/neon.md (vec_set<mode>internal, vec_extract<mode>,
        neon_vget_lane<mode>_sext_internal, neon_vget_lane<mode>_zext_internal,
        vec_load_lanesoi<mode>, neon_vld2<mode>, vec_store_lanesoi<mode>,
        neon_vst2<mode>, vec_load_lanesci<mode>, neon_vld3<mode>,
        neon_vld3qa<mode>, neon_vld3qb<mode>, vec_store_lanesci<mode>,
        neon_vst3<mode>, neon_vst3qa<mode>, neon_vst3qb<mode>,
        vec_load_lanesxi<mode>, neon_vld4<mode>, neon_vld4qa<mode>,
        neon_vld4qb<mode>, vec_store_lanesxi<mode>, neon_vst4<mode>,
        neon_vst4qa<mode>, neon_vst4qb<mode>): Change VQ iterator to VQ2.

        (neon_vcreate, neon_vreinterpretv8qi<mode>,
        neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
        neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>):
        Change VDX to VD_RE.

        (neon_vld2_lane<mode>, neon_vst2_lane<mode>, neon_vld3_lane<mode>,
        neon_vst3_lane<mode>, neon_vld4_lane<mode>, neon_vst4_lane<mode>):
        Change VD iterator to VD_LANE, and VMQ iterator to VQ_HS.

        * config/arm/arm_neon.h (float16x4x2_t, float16x8x2_t, float16x4x3_t,
        float16x8x3_t, float16x4x4_t, float16x8x4_t, vcombine_f16,
        vget_high_f16, vget_low_f16, vld1_f16, vld1q_f16, vst1_f16, vst1q_f16,
        vst1_lane_f16, vst1q_lane_f16, vld2_f16, vld2q_f16, vld2_lane_f16,
        vld2q_lane_f16, vld2_dup_f16, vst2_f16, vst2q_f16, vst2_lane_f16,
        vst2q_lane_f16, vld3_f16, vld3q_f16, vld3_lane_f16, vld3q_lane_f16,
        vld3_dup_f16, vst3_f16, vst3q_f16, vst3_lane_f16, vst3q_lane_f16,
        vld4_f16, vld4q_f16, vld4_lane_f16, vld4q_lane_f16, vld4_dup_f16,
        vst4_f16, vst4q_f16, vst4_lane_f16, vst4q_lane_f16): New.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/arm_neon.h (vgetq_lane_f16, vsetq_lane_f16, vld1q_lane_f16,
        vld1q_dup_f16, vreinterpretq_p8_f16, vreinterpretq_p16_f16,
        vreinterpretq_f16_p8, vreinterpretq_f16_p16, vreinterpretq_f16_f32,
        vreinterpretq_f16_p64, vreinterpretq_f16_p128, vreinterpretq_f16_s64,
        vreinterpretq_f16_u64, vreinterpretq_f16_s8, vreinterpretq_f16_s16,
        vreinterpretq_f16_s32, vreinterpretq_f16_u8, vreinterpretq_f16_u16,
        vreinterpretq_f16_u32, vreinterpretq_f32_f16, vreinterpretq_p64_f16,
        vreinterpretq_p128_f16, vreinterpretq_s64_f16, vreinterpretq_u64_f16,
        vreinterpretq_s8_f16, vreinterpretq_s16_f16, vreinterpretq_s32_f16,
        vreinterpretq_u8_f16, vreinterpretq_u16_f16, vreinterpretq_u32_f16):
        New.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/arm.h (VALID_NEON_QREG_MODE): Add V8HFmode.

        * config/arm/arm.c (arm_vector_mode_supported_p): Support V8HFmode.

        * config/arm/arm-builtins.c (v8hf_UP): New.
        (arm_init_simd_builtin_types): Initialise Float16x8_t.

        * config/arm/arm-simd-builtin-types.def (Float16x8_t): New.

        * config/arm/arm_neon.h (float16x8_t): New typedef.

2015-09-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/arm_neon.h (float16_t, vget_lane_f16, vset_lane_f16,
        vcreate_f16, vld1_lane_f16, vld1_dup_f16, vreinterpret_p8_f16,
        vreinterpret_p16_f16, vreinterpret_f16_p8, vreinterpret_f16_p16,
        vreinterpret_f16_f32, vreinterpret_f16_p64, vreinterpret_f16_s64,
        vreinterpret_f16_u64, vreinterpret_f16_s8, vreinterpret_f16_s16,
        vreinterpret_f16_s32, vreinterpret_f16_u8, vreinterpret_f16_u16,
        vreinterpret_f16_u32, vreinterpret_f32_f16, vreinterpret_p64_f16,
        vreinterpret_s64_f16, vreinterpret_u64_f16, vreinterpret_s8_f16,
        vreinterpret_s16_f16, vreinterpret_s32_f16, vreinterpret_u8_f16,
        vreinterpret_u16_f16, vreinterpret_u32_f16): New.

2015-09-07  Ilya Verbin  <ilya.verbin@intel.com>

        * config/i386/intelmic-mkoffload.c (prepare_target_image): Handle all
        non-alphanumeric characters in the symbol name.

2015-09-07  Marek Polacek  <polacek@redhat.com>

        PR inline-asm/67448
        * gimplify.c (gimplify_asm_expr): Don't allow MODIFY_EXPR as
        a memory input.

2015-09-07  Marek Polacek  <polacek@redhat.com>

        * system.h (INTTYPE_MINIMUM): Rewrite to avoid shift warning.

2015-09-04  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Do
        not warn.

2015-09-04  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/67452
        * tree-ssa-live.c: Include cfgloop.h.
        (remove_unused_locals): Clear loop->simduid if simduid is about
        to be removed from cfun->local_decls.

2015-09-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        PR target/65210
        * config/avr/avr.c (avr_eval_addr_attrib): Look for io_low
        attribute as well.

2015-09-04  Tom de Vries  <tom@codesourcery.com>

        * doc/invoke.texi (@item -ftrapv, @item -fwrapv): Document interaction.

2015-09-04  Jeff Law  <law@redhat.com>

        * tree-ssa-scopedtables.c (const_and_copies::const_and_copies): Remove
        unnecessary constructor.  It's now trivial and implemented inside...
        * tree-ssa-scopedtables.h (const_and_copies): Implement trivial
        constructor.  Add comments to various methods.  Remove unused
        private fields.
        * tree-ssa-dom.c (pass_dominator::execute): Corresponding changes.
        * tree-vrp.c (identify_jump_threads): Likewise.
        * tree-ssa-threadedge.c (thread_through_normal_block): Fix minor
        indentation issues.
        (thread_across_edge): Similarly.
        (record_temporary_equivalences_from_stmts_at_dest): Remove unused
        arguments in constructor call.

2015-09-04  Jonas Hahnfeld  <Hahnfeld@itc.rwth-aachen.de>

        * config/i386/intelmic-mkoffload.c (prepare_target_image): Fix if the
        temp path contains a '-'.

2015-09-04  Andrey Turetskiy  <andrey.turetskiy@intel.com>
            Petr Murzin  <petr.murzin@intel.com>
            Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386-builtin-types.def
        (VOID_PFLOAT_HI_V8DI_V16SF_INT): New.
        (VOID_PDOUBLE_QI_V16SI_V8DF_INT): Ditto.
        (VOID_PINT_HI_V8DI_V16SI_INT): Ditto.
        (VOID_PLONGLONG_QI_V16SI_V8DI_INT): Ditto.
        * config/i386/i386.c
        (ix86_builtins): Add IX86_BUILTIN_SCATTERALTSIV8DF,
        IX86_BUILTIN_SCATTERALTDIV16SF, IX86_BUILTIN_SCATTERALTSIV8DI,
        IX86_BUILTIN_SCATTERALTDIV16SI.
        (ix86_init_mmx_sse_builtins): Define __builtin_ia32_scatteraltsiv8df,
        __builtin_ia32_scatteraltdiv8sf, __builtin_ia32_scatteraltsiv8di,
        __builtin_ia32_scatteraltdiv8si.
        (ix86_expand_builtin): Handle IX86_BUILTIN_SCATTERALTSIV8DF,
        IX86_BUILTIN_SCATTERALTDIV16SF, IX86_BUILTIN_SCATTERALTSIV8DI,
        IX86_BUILTIN_SCATTERALTDIV16SI.
        (ix86_vectorize_builtin_scatter): New.
        (TARGET_VECTORIZE_BUILTIN_SCATTER): Define as
        ix86_vectorize_builtin_scatter.

2015-09-04  Andrey Turetskiy  <andrey.turetskiy@intel.com>
            Petr Murzin  <petr.murzin@intel.com>
            Kirill Yukhin  <kirill.yukhin@intel.com>

        * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_SCATTER): New.
        * doc/tm.texi: Regenerate.
        * target.def: Add scatter builtin.
        * tree-vectorizer.h: Rename gather_p to gather_scatter_p and use it
        for loads/stores in case of gather/scatter accordingly.
        (STMT_VINFO_GATHER_SCATTER_P(S)): Use it instead of
        STMT_VINFO_GATHER_P(S).
        (vect_check_gather): Rename to ...
        (vect_check_gather_scatter): this.
        * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Use
        STMT_VINFO_GATHER_SCATTER_P instead of STMT_VINFO_SCATTER_P.
        (vect_check_gather_scatter): Use it instead of vect_check_gather.
        (vect_analyze_data_refs): Add gatherscatter enum and maybe_scatter
        variable and new checkings for it accordingly.
        * tree-vect-stmts.c
        (STMT_VINFO_GATHER_SCATTER_P(S)): Use it instead of
        STMT_VINFO_GATHER_P(S).
        (vect_check_gather_scatter): Use it instead of vect_check_gather.
        (vectorizable_store): Add checkings for STMT_VINFO_GATHER_SCATTER_P.

2015-09-03  Bill Schmidt  <wschmidt@vnet.linux.ibm.com>

        * config/rs6000/altivec.md (altivec_vperm_v8hiv16qi): New
        define_insn.
        (mulv16qi3): New define_expand.

2015-09-03  Martin Sebor  <msebor@redhat.com>

        PR c/66516
        * doc/extend.texi (Other Builtins): Document when the address
        of a built-in function can be taken.

2015-09-03  Richard Biener  <rguenther@suse.de>

        * dwarf2out.c (flush_limbo_die_list): Split out from ...
        (dwarf2out_early_finish): ... here.
        (dwarf2out_finish): Do not call dwarf2out_early_finish but
        flush_limbo_die_list.  Assert we have no deferred asm names.

2015-09-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * optabs.c (expand_binop): Don't create a broadcast vector with a
        source element wider than the inner mode.

2015-09-03  Richard Biener  <rguenther@suse.de>

        * varasm.c (output_constant): Use fold_convert instead of
        wide_int_to_tree.

2015-09-03  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65637
        * omp-low.c (expand_omp_for_static_chunk): Handle case that
        fin_bb has 2 predecessors.

2015-09-03  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65637
        * omp-low.c (find_phi_with_arg_on_edge): New function.
        (expand_omp_for_static_chunk): Fix inner loop phi.

2015-09-03  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65637
        * omp-low.c (expand_omp_for_static_chunk): Fix gcc_assert for the case
        that head is NULL.

2015-09-03  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (expand_omp_for_static_chunk): Handle simple latch bb.

2015-09-03  Tom de Vries  <tom@codesourcery.com>

        * doc/invoke.texi (parloops-chunk-size): Add item.
        * params.def (PARAM_PARLOOPS_CHUNK_SIZE): Add DEFPARAM.
        * tree-parloops.c: Include params.h.
        (create_parallel_loop): Set chunk-size of schedule of omp-for loop, if
        param parloops-chunk-size is used.

2015-09-03  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        PR middle-end/67351
        * fold-const.c (fold_binary_loc) : Move
        Transform (x >> c) << c into x & (-1<<c) or
        transform (x << c) >> c into x & ((unsigned)-1 >> c) for unsigned
        types using simplify and match.
        * match.pd (lshift (rshift @0 INTEGER_CST@1) @1) : New simplifier.
        (rshift (lshift @0 INTEGER_CST@1) @1) : New Simplifier

2015-09-03  Richard Biener  <rguenther@suse.de>

        PR ipa/66705
        * tree-ssa-structalias.c (ctor_for_analysis): New function.
        (create_variable_info_for_1): Use ctor_for_analysis instead
        of get_constructor.
        (create_variable_info_for): Likewise.

2015-09-02  Charles Baylis  <charles.baylis@linaro.org>

        PR ipa/67280
        * cgraphunit.c (cgraph_node::create_wrapper): Set can_throw_external
        in new callgraph edge.

2015-09-02  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/59810
        PR target/63652
        PR target/63653
        * config/aarch64/aarch64-simd.md
        (aarch64_ld<VSTRUCT:nregs><VQ:mode>): Call
        gen_aarch64_simd_ld<VSTRUCT:nregs><VQ:mode>.
        (aarch64_st<VSTRUCT:nregs><VQ:mode>): Call
        gen_aarch64_simd_st<VSTRUCT:nregs><VQ:mode>.

2015-09-02  Alan Modra  <amodra@gmail.com>

        * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Don't define.
        * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Likewise.
        (LINK_SPEC, SUBTARGET_EXTRA_SPECS): Delete link_target.

2015-09-02  Alan Modra  <amodra@gmail.com>

        PR target/67417
        * config/rs6000/predicates.md (current_file_function_operand): Don't
        return true for weak symbols.
        * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Likewise.

2015-09-01  Matthew Fortune  <matthew.fortune@imgtec.com>
            Andrew Bennett  <andrew.bennett@imgtec.com>

        * config/mips/mips-opts.h (mips_cb_setting): New enum.
        * config/mips/mips-protos.h: Add definitions for
        mips_output_jump and mips_output_equal_conditional_branch
        * config/mips/mips.c (MIPS_JR): Change to support the
        JIC instruction.
        (mips_emit_compare): Add support for the MIPS R6 conditional
        compact branches.
        (mips_process_sync_loop): Likewise.
        (mips_output_order_conditional_branch): Likewise.
        (mips16_build_call_stub): Change MIPS_CALL to
        mips_output_jump.
        (mips_print_operand_punctuation): Update 's' case to only
        apply to micromips r2.
        (mips_adjust_insn_length): Add support for forbidden slot
        hazards.
        (mips_avoid_hazard): Likewise.
        (mips_reorg_process_insns): Likewise.
        (mips_output_jump): New function.
        (mips_output_equal_conditional_branch): Likewise.
        (mips_output_conditional_branch): Use jrc/bc if compact
        branch support is enabled.  Ensure the forbidden slots
        between the two branch instructions is filled with a nop.
        (mips_option_override): Add support to process the compact
        branch option and set the correct defaults.  Prevent
        non-explict relocs being using for MIPS R6.
        (mips_trampoline_init): Add compact branch support.
        (mips_mult_zero_zero_cost): Allow zero initialisation of
        accumulators with TARGET_DSP.
        * config/mips/mips.h (TARGET_CB_NEVER): New define.
        (TARGET_CB_MAYBE): New define.
        (TARGET_CB_ALWAYS): New define.
        (ISA_HAS_DELAY_SLOTS): New define.
        (ISA_HAS_COMPACT_BRANCHES): New define.
        (ISA_HAS_JRC): New define.
        (MIPS_BRANCH_C): New define.
        (MIPS_CALL): Removed.
        (MICROMIPS_J): Removed.
        * config/mips/mips.md (compact_form): New attr.
        (hazard): Add support for forbidden slots.
        (define_delay): Add support for compact branches.
        (*branch_order<mode>): Likewise.
        (*branch_order<mode>_inverted): Likewise.
        (*branch_equality<mode>): Likewise.
        (*branch_equality<mode>_inverted): Likewise.
        (*jump_absolute): Likewise.
        (*jump_pic): Likewise.
        (indirect_jump): Use mips_output_jump to produce assembly output.
        (tablejump_<mode>"): Likewise.
        (*<optab>"): Likewise.
        (<optab>_internal): Likewise.
        (sibcall_internal): Likewise.
        (sibcall_value_internal): Likewise.
        (sibcall_value_multiple_internal): Likewise.
        (call_internal): Likewise.
        (call_split): Likewise.
        (call_internal_direct): Likewise.
        (call_direct_split): Likewise.
        (call_value_internal): Likewise.
        (call_value_split): Likewise.
        (call_value_internal_direct): Likewise.
        (call_value_direct_split): Likewise.
        (call_value_multiple_internal): Likewise.
        (call_value_multiple_split): Likewise.
        (mips_get_fcsr_mips16_<mode>): Likewise.
        (mips_set_fcsr_mips16_<mode>): Likewise.
        (tls_get_tp_mips16_<mode>): Likewise.
        * config/mips/mips.opt: Add -mcompact-branches option.
        * config/mips/predicates.md (order_operator): Ensure the
        conditional compact branches are only used if the ISA them.
        * doc/invoke.texi: Document -mcompact-branches option.

2015-09-01  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/61578
        * lra-lives.c (process_bb_lives): Process move pseudos with the
        same value for copies and preferences
        * lra-constraints.c (match_reload): Create match reload pseudo
        with the same value from single dying input pseudo.

2015-09-01  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/67405
        * tree-chkp.c (chkp_find_bound_slots_1): Add NULL check.

2015-09-01  Aldy Hernandez  <aldyh@redhat.com>

        * trans-mem.c: Add contributed-by.
        * trans-mem.h: Same.

2015-09-01  Richard Biener  <rguenther@suse.de>

        * expr.c (expand_expr_real_1): For expanding TERed defs
        set the current location to that of the def if not UNKNOWN.

2015-09-01  David Sherwood  <david.sherwood@arm.com>

        * genmodes.c: Add CONST_MODE_UNIT_SIZE modifier.

2015-09-01  Kyrylo Tkachov <kyrylo.tkachov@arm.com>

        * ifcvt.c (struct noce_if_info): Add then_simple, else_simple,
        then_cost, else_cost fields.  Change branch_cost field to unsigned int.
        (end_ifcvt_sequence): Call set_used_flags on each insn in the sequence.
        Include rtl-iter.h.
        (noce_simple_bbs): New function.
        (noce_try_move): Bail if basic blocks are not simple.
        (noce_try_store_flag): Likewise.
        (noce_try_store_flag_constants): Likewise.
        (noce_try_addcc): Likewise.
        (noce_try_store_flag_mask): Likewise.
        (noce_try_cmove): Likewise.
        (noce_try_minmax): Likewise.
        (noce_try_abs): Likewise.
        (noce_try_sign_mask): Likewise.
        (noce_try_bitop): Likewise.
        (bbs_ok_for_cmove_arith): New function.
        (noce_emit_all_but_last): Likewise.
        (noce_emit_insn): Likewise.
        (noce_emit_bb): Likewise.
        (noce_try_cmove_arith): Handle non-simple basic blocks.
        (insn_valid_noce_process_p): New function.
        (contains_mem_rtx_p): Likewise.
        (bb_valid_for_noce_process_p): Likewise.
        (noce_process_if_block): Allow non-simple basic blocks
        where appropriate.

2015-08-31  Alan Lawrence  <alan.lawrence@arm.com>

        * tree-ssa-dom.c (record_equivalences_from_phis,
        record_equivalences_from_stmt, optimize_stmt): Use dom_valueize.
        (lookup_avail_expr): Likewise, and remove comment and unused temp.

2015-09-01  Nick Clifton  <nickc@redhat.com>

        * config/msp430/msp430.opt (mcpu): Fix typo.

2015-09-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_set_current_function):
        Re-layout any vector parameters have non-simd layout.
        * config/aarch64/aarch64-builtins.c (aarch64_relayout_simd_param):
        Delete.
        (aarch64_simd_expand_args): Delete call to the above.

2015-08-31  Mike Frysinger  <vapier@gentoo.org>

        * doc/invoke.texi (asan-stack): Add space before option.

2015-08-31  Marc Glisse  <marc.glisse@inria.fr>

        * tree.h (zerop): New function.
        * tree.c (zerop): Likewise.
        (element_precision): Handle expressions.
        * match.pd (define_predicates): Add zerop.
        (x <= +Inf): Fix comment.
        (abs (x) == 0, A & C == C, A & C != 0): Converted from ...
        * fold-const.c (fold_binary_loc): ... here. Remove.

2015-08-31  Richard Biener  <rguenther@suse.de>

        PR middle-end/67381
        * genmatch.c (dt_node::gen_kids): Also treat matches as barrier.

2015-08-31  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (SIN, COS, TAN, COSH): Reorder for consistency.
        (CEXPI): New operator list.
        (real (conj (x)), imag (conj (x)), real (x +- y), real (cexpi (x)),
        imag (cexpi (x)), conj (conj (x)), conj (complex (x, y))):
        Converted from ...
        * fold-const.c (fold_unary_loc, fold_binary_loc): ... here. Remove.

2015-08-31  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-loop-manip.c (find_uses_to_rename_stmt)
        (find_uses_to_rename_bb, find_uses_to_rename): Add and handle use_flags
        parameter.
        (find_uses_to_rename_def, find_uses_to_rename_in_loop): New function.
        (rewrite_into_loop_closed_ssa_1): New function, factored out of ...
        (rewrite_into_loop_closed_ssa): ... here.
        (replace_uses_in_dominated_bbs): Remove function.
        (rewrite_virtuals_into_loop_closed_ssa): Reimplement using
        rewrite_into_loop_closed_ssa_1.

2015-08-31  Michael Matz  <matz@suse.de>

        * cfganal.c (pre_and_rev_post_order_compute_fn): Correctly
        enter entry and exit blocks for reverse post order.

2015-08-31  Richard Biener  <rguenther@suse.de>

        * lto-streamer.h (lto_location_cache::cached_location::sysp): Add.
        (lto_location_cache::current_sysp): Likewise.
        (output_block::current_sysp): Likewise.
        * lto-streamer-in.c (lto_location_cache::cmp_loc): Compare sysp.
        (lto_location_cache::apply_location_cache): Properly record
        system header locations.
        (lto_location_cache::input_location): Input whether a file
        is a system header.
        * lto-streamer-out.c (lto_output_location): Stream whether a file
        is a system header.

2015-08-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/67363
        * gcc.c (env_manager::xput): Replace strndup by xstrndup.

2015-08-31  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-loop-manip.c (find_uses_to_rename_use)
        (find_uses_to_rename_stmt, find_uses_to_rename_bb, find_uses_to_rename):
        Improve function header comments.

2015-08-30  Michael Collison  <michael.collison@linaro.org>

        PR other/67320
        * doc.md.texi: Rename [su]sum_widen to widen_[su]sum to reflect correct
        standard names

2015-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (swap_web_entry): Enlarge
        special_handling bitfield.
        (special_handling_values): Add SH_XXPERMDI and SH_CONCAT.
        (rtx_is_swappable_p): Add handling for vec_select/vec_concat form
        that represents a general xxpermdi.
        (insn_is_swappable_p): Add handling for vec_concat of two
        doublewords, which maps to a specific xxpermdi.
        (adjust_xxpermdi): New function.
        (adjust_concat): Likewise.
        (handle_special_swappables): Call adjust_xxpermdi and
        adjust_concat.
        (dump_swap_insn_table): Handle SH_XXPERMDI and SH_CONCAT.

2015-08-30  Rich Felker <dalias@libc.org>

        * config.gcc (supported_defaults): Handle sh[123456ble]*-*-*
        case instead of sh[123456ble]-*-*.

2015-08-29  Anatoly Sokolov  <aesok@post.ru>

        * ira.c (print_unform_and_important_classes,
        print_translated_classes): Remove reg_class_names static array.
        (print_unform_and_important_classes): Rename to ...
        (print_uniform_and_important_classes): ... this.
        (ira_debug_allocno_classes): Update accordingly.

2015-08-29  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/46193
        * omp-low.c (omp_reduction_init): Handle pointer type for min or max
        clause.

2015-08-28  Jeff Law  <law@redhat.com>

        PR lto/66752
        * tree-ssa-threadedge.c (simplify_conrol_stmt_condition): If we are
        unable to find X NE 0 in the tables, return X as the simplified
        condition.
        (fsm_find_control_statement_thread_paths): If nodes in NEXT_PATH are
        in VISISTED_BBS, then return failure.  Else add nodes from NEXT_PATH
        to VISISTED_BBS.
        * tree-ssa-threadupdate.c (duplicate_thread_path): Fix up edge flags
        after removing the control flow statement and unnecessary edges.

2015-08-28  Alan Lawrence  <alan.lawrence@arm.com>

        Revert:
        2015-08-27  Alan Lawrence  <alan.lawrence@arm.com>

        PR tree-optimization/67283
        * tree-sra.c (type_consists_of_records_p): Rename to...
        (scalarizable_type_p): ...this, add case for ARRAY_TYPE.

        (completely_scalarize_record): Rename to...
        (completely_scalarize): ...this, add ARRAY_TYPE case, move some
        code to:
        (scalarize_elem): New.

2015-08-28  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_symbol_context): Rename
        SYMBOL_SMALL_GOTTPREL to SYMBOL_SMALL_TLSIE.
        (aarch64_symbol_type): Likewise.
        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
        Likewise.
        (aarch64_expand_mov_immediate): Likewise.
        (aarch64_print_operand): Likewise.
        (aarch64_classify_tls_symbol): Likewise.

2015-08-28  Richard Biener  <rguenther@suse.de>

        * cgraphunit.c (symbol_table::compile): Move early debug generation
        and finish...
        (symbol_table::finalize_compilation_unit): ... back here and
        add a !seen_error () guard.

2015-08-27  Sebastian Pop  <s.pop@samsung.com>

        * toplev.c (process_options): Do not use flag_loop_block,
        flag_loop_interchange, and flag_loop_strip_mine.  Add check for
        flag_loop_optimize_isl.

2015-08-27  Sebastian Pop  <s.pop@samsung.com>

        * Makefile.in (OBJS): Remove graphite-blocking.o and
        graphite-interchange.o.
        * common.opt (floop-strip-mine, floop-interchange, floop-block):
        Alias of floop-nest-optimize.
        * doc/invoke.texi (floop-strip-mine, floop-interchange, floop-block):
        Document as alias of -floop-nest-optimize.
        * graphite-blocking.c: Remove.
        * graphite-interchange.c: Remove.
        * graphite-optimize-isl.c: Include dumpfile.h.
        (getScheduleForBand): Add dump for tiled loops.  Use
        PARAM_LOOP_BLOCK_TILE_SIZE instead of hard coded constant.
        * graphite-poly.c (scop_max_loop_depth): Remove.
        (print_scattering_function_1): Remove.
        (print_scattering_function): Remove.
        (print_scattering_functions): Remove.
        (debug_scattering_function): Remove.
        (debug_scattering_functions): Remove.
        (apply_poly_transforms): Remove use of flag_loop_block,
        flag_loop_strip_mine, and flag_loop_interchange.
        (new_poly_bb): Remove use of PBB_TRANSFORMED, PBB_SAVED, and
        PBB_ORIGINAL.
        (print_pdr_access_layout): Remove.
        (print_pdr): Print ISL representation.
        (new_scop): Remove use of SCOP_ORIGINAL_SCHEDULE,
        SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
        (free_scop): Same.
        (openscop_print_pbb_domain): Remove.
        (print_pbb): Remove call to print_scattering_function.
        (openscop_print_scop_context): Remove.
        (print_scop_context): Do not print matrices anymore.
        (print_scop): Do not print SCOP_ORIGINAL_SCHEDULE and
        SCOP_TRANSFORMED_SCHEDULE.
        (print_isl_set): Add printing of a new line.
        (print_isl_map): Same.
        (print_isl_aff): Same.
        (print_isl_constraint): Same.
        (loop_to_lst): Remove.
        (scop_to_lst): Remove.
        (lst_indent_to): Remove.
        (print_lst): Remove.
        (debug_lst): Remove.
        (dot_lst_1): Remove.
        (dot_lst): Remove.
        (reverse_loop_at_level): Remove.
        (reverse_loop_for_pbbs): Remove.
        * graphite-poly.h (pdr_dim_iter_domain): Remove.
        (pdr_nb_params): Remove.
        (pdr_alias_set_dim): Remove.
        (pdr_subscript_dim): Remove.
        (pdr_iterator_dim): Remove.
        (pdr_parameter_dim): Remove.
        (same_pdr_p): Remove.
        (struct poly_scattering): Remove.
        (struct poly_bb): Remove _original, _transformed, _saved.
        (PBB_DOMAIN, PBB_ORIGINAL, PBB_ORIGINAL_SCATTERING): Remove.
        (PBB_TRANSFORMED, PBB_TRANSFORMED_SCATTERING, PBB_SAVED): Remove.
        (PBB_NB_LOCAL_VARIABLES): Remove.
        (PBB_NB_SCATTERING_TRANSFORM): Remove.
        (schedule_to_scattering): Remove.
        (number_of_write_pdrs): Remove.
        (pbb_dim_iter_domain): Remove.
        (pbb_nb_params): Remove.
        (pbb_nb_scattering_orig): Remove.
        (pbb_nb_scattering_transform): Remove.
        (pbb_nb_dynamic_scattering_transform): Remove.
        (pbb_nb_local_vars): Remove.
        (pbb_iterator_dim): Remove.
        (pbb_parameter_dim): Remove.
        (psco_scattering_dim): Remove.
        (psct_scattering_dim): Remove.
        (psct_local_var_dim): Remove.
        (psco_iterator_dim): Remove.
        (psct_iterator_dim): Remove.
        (psco_parameter_dim): Remove.
        (psct_parameter_dim): Remove.
        (psct_dynamic_dim): Remove.
        (psct_static_dim): Remove.
        (psct_add_local_variable): Remove.
        (new_lst_loop): Remove.
        (new_lst_stmt): Remove.
        (free_lst): Remove.
        (copy_lst): Remove.
        (lst_add_loop_under_loop): Remove.
        (lst_depth): Remove.
        (lst_dewey_number): Remove.
        (lst_dewey_number_at_depth): Remove.
        (lst_pred): Remove.
        (lst_succ): Remove.
        (lst_find_pbb): Remove.
        (find_lst_loop): Remove.
        (lst_find_first_pbb): Remove.
        (lst_empty_p): Remove.
        (lst_find_last_pbb): Remove.
        (lst_contains_p): Remove.
        (lst_contains_pbb): Remove.
        (lst_create_nest): Remove.
        (lst_remove_from_sequence): Remove.
        (lst_remove_loop_and_inline_stmts_in_loop_father): Remove.
        (lst_niter_for_loop): Remove.
        (pbb_update_scattering): Remove.
        (lst_update_scattering_under): Remove.
        (lst_update_scattering): Remove.
        (lst_insert_in_sequence): Remove.
        (lst_replace): Remove.
        (lst_substitute_3): Remove.
        (lst_distribute_lst): Remove.
        (lst_remove_all_before_including_pbb): Remove.
        (lst_remove_all_before_excluding_pbb): Remove.
        (struct scop): Remove original_schedule, transformed_schedule, and
        saved_schedule.
        (SCOP_ORIGINAL_SCHEDULE, SCOP_TRANSFORMED_SCHEDULE): Remove.
        (SCOP_SAVED_SCHEDULE): Remove.
        (poly_scattering_new): Remove.
        (poly_scattering_free): Remove.
        (poly_scattering_copy): Remove.
        (store_scattering_pbb): Remove.
        (store_lst_schedule): Remove.
        (restore_lst_schedule): Remove.
        (store_scattering): Remove.
        (restore_scattering_pbb): Remove.
        (restore_scattering): Remove.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
        Remove scattering_dimensions.  Do not use pbb_dim_iter_domain:
        compute the scattering polyhedron dimension from the dimension of
        pbb->domain.
        (build_scop_scattering): Update call to
        build_pbb_scattering_polyhedrons.
        (build_poly_scop): Remove call to scop_to_lst.
        * graphite.c (graphite_transform_loops): Add call to print_scop.
        (gate_graphite_transforms): Remove use of flag_loop_block,
        flag_loop_interchange, and flag_loop_strip_mine.

2015-08-27  Sebastian Pop  <s.pop@samsung.com>

        * common.opt (floop-unroll-and-jam): Make alias of floop-nest-optimize.
        * doc/invoke.texi (-floop-unroll-and-jam): Document as alias of
        -floop-nest-optimize.
        * graphite-isl-ast-to-gimple.c (generate_luj_sepclass_opt): Remove.
        (generate_luj_sepclass): Remove.
        (generate_luj_options): Remove.
        (set_options): Remove opt_luj.
        (scop_to_isl_ast): Remove opt_luj.
        * graphite-optimize-isl.c (getScheduleForBand): Remove check for
        flag_loop_unroll_jam.
        (getPrevectorMap_full): Remove.
        (getScheduleForBandList): Remove map_sepcl.
        (getScheduleMap): Same.
        (apply_schedule_map_to_scop): Remove sepcl.
        (optimize_isl): Same.
        * graphite-poly.c (apply_poly_transforms): Remove check for
        flag_loop_unroll_jam.
        (new_poly_bb): Remove map_sepclass.
        * graphite-poly.h (struct poly_bb): Same.
        * graphite.c (gate_graphite_transforms): Remove flag_loop_unroll_jam.
        * params.def (PARAM_LOOP_UNROLL_JAM_SIZE)
        (PARAM_LOOP_UNROLL_JAM_DEPTH): Remove.
        * toplev.c (process_options): Remove flag_loop_unroll_jam.

2015-08-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/67317
        * config/i386/i386.md (*add<mode>3_cc): Remove insn pattern.
        (addqi3_cc): Ditto.
        (UNSPEC_ADD_CARRY): Remove.
        (addqi3_cconly_overflow): New expander.
        (*add<dwi>3_doubleword): Split to add<mode>3_cconly_overflow.
        Adjust for changed add<mode>3_carry.
        (*neg<dwi>2_doubleword): Adjust for changed add<mode>3_carry.
        (*sub<dwi>3_doubleword): Adjust for changed sub<mode>3_carry.
        (<plusminus_insn><mode>3_carry): Remove expander.
        (*<plusminus_insn><mode>3_carry): Split insn pattern to
        add<mode>3_carry and sub<mode>3_carry.
        (plusminus_carry_mnemonic): Remove code attribute.
        (add<mode>3_carry): Canonicalize insn pattern.
        (*addsi3_carry_zext): Ditto.
        (sub<mode>3_carry): Ditto.
        (*subsi3_carry_zext): Ditto.
        (adcx<mode>3): Remove insn pattern.
        (addcarry<mode>): New insn pattern.
        (subborrow<mode>): Ditto.
        * config/i386/i386.c (ix86_expand_strlensi_unroll_1): Use
        gen_addqi3_cconly_overflow instead of gen_addqi3_cc.
        (ix86_expand_builtin) <case IX86_BUILTIN_SBB32,
        case IX86_BUILTIN_SBB64, case IX86_BUILTIN_ADDCARRY32,
        case IX86_BUILTIN_ADDCARRY64>: Use CODE_FOR_subborrowsi,
        CODE_FOR_subborrowdi, CODE_FOR_addcarrysi and CODE_FOR_addcarrydi.
        Rewrite expander to not clobber carry flag chains.

2015-08-27  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/vector.md (vec_shr_<mode>): Fix to do a shift
        instead of a rotate.

2015-08-27  Marek Polacek  <polacek@redhat.com>

        PR middle-end/67005
        * tree-ssa-dce.c (remove_dead_stmt): Also schedule fixup if removing
        an entry into an irreducible region.

2015-08-27  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * configure: Regenerate.

2015-08-27  Alan Lawrence  <alan.lawrence@arm.com>

        PR tree-optimization/67283
        * tree-sra.c (type_consists_of_records_p): Rename to...
        (scalarizable_type_p): ...this, add case for ARRAY_TYPE.

        (completely_scalarize_record): Rename to...
        (completely_scalarize): ...this, add ARRAY_TYPE case, move some code to:
        (scalarize_elem): New.

2015-08-27  Alan Lawrence  <alan.lawrence@arm.com>

        * tree-sra.c (completely_scalarize_var): Rename to...
        (create_total_scalarization_access): ... Here. Drop call to
        completely_scalarize_record.

        (analyze_all_variable_accesses): Replace completely_scalarize_var
        with create_total_scalarization_access and completely_scalarize_record.

2015-08-27  Alan Modra  <amodra@gmail.com>

        PR target/67356
        * config/rs6000/rs6000.md (ior<mode>_mask): Use constraint "0"
        for operand 1.

2015-08-27  Richard Biener  <rguenther@suse.de>

        * passes.c (rest_of_decl_compilation): Guard early_global_decl
        call with !seen_error ().
        * cgraphunit.c (symbol_table::finalize_compilation_unit): Move
        early debug generation and finish...
        (symbol_table::compile): ... here to put it after a !seen_error ()
        guard.

2015-08-27  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (*-*-solaris2*): Enable default_use_cxa_atexit on
        Solaris 12+.

2015-08-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/aarch64/aarch64.md (*condjump): Handle functions > 1 MiB.
        (*cb<optab><mode>1): Likewise.
        (*tb<optab><mode>1): Likewise.
        (*cb<optab><mode>1): Likewise.
        * config/aarch64/iterators.md (inv_cb): New code attribute.
        (inv_tb): Likewise.
        * config/aarch64/aarch64.c (aarch64_gen_far_branch): New.
        * config/aarch64/aarch64-protos.h (aarch64_gen_far_branch): New.

2015-08-27  Richard Biener  <rguenther@suse.de>

        * ipa.c (cgraph_build_static_cdtor_1): Set DECL_IGNORED_P.

2015-08-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Add emit_barrier() after
        trap to fix ICE.

2015-08-26  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-protos.h (rs6000_expand_float128_convert):
        Add declaration.

        * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Fix a
        comment.
        (rs6000_cannot_change_mode_class): Add support for IEEE 128-bit
        floating point in VSX registers.
        (rs6000_output_move_128bit): Always print out the set insn if we
        can't generate an appropriate 128-bit move.
        (rs6000_generate_compare): Add support for IEEE 128-bit floating
        point in VSX registers comparisons.
        (rs6000_expand_float128_convert): Likewise.

        * config/rs6000/predicates.md (int_reg_operand_not_pseudo): New
        predicate for only GPR hard registers.

        * config/rs6000/rs6000.md (FP): Add IEEE 128-bit floating point
        modes to iterators. Add new iterators for moving 128-bit values in
        scalar FPR registers and VSX registers.
        (FMOVE128): Likewise.
        (FMOVE128_FPR): Likewise.
        (FMOVE128_GPR): Likewise.
        (FMOVE128_VSX): Likewise.
        (FLOAT128_SFDFTF): New iterators for IEEE 128-bit floating point
        in VSX registers.
        (IFKF): Likewise.
        (IBM128): Likewise.
        (TFIFKF): Likewise.
        (RELOAD): Add IEEE 128-bit floating point modes.
        (signbittf2): Convert TF insns to add support for new IEEE 128-bit
        floating point in VSX registers modes.
        (signbit<mode>2, IBM128 iterator): Likewise.
        (mov<mode>_64bit_dm, FMOVE128_FPR iterator): Likewise.
        (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
        (negtf2): Likewise.
        (neg<mode>2, TFIFKF iterator): Likewise.
        (negtf2_internal): Likewise.
        (abstf2): Likewise.
        (abs<mode>2, TFIFKF iterator): Likewise.
        (ieee_128bit_negative_zero): New IEEE 128-bit floating point in
        VSX insn support for negate, absolute value, and negative absolute
        value.
        (ieee_128bit_vsx_neg<mode>2): Likewise.
        (ieee_128bit_vsx_neg<mode>2_internal): Likewise.
        (ieee_128bit_vsx_abs<mode>2): Likewise.
        (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
        (ieee_128bit_vsx_nabs<mode>2): Likewise.
        (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
        (FP128_64): Update pack/unpack 128-bit insns for IEEE 128-bit
        floating point in VSX registers.
        (unpack<mode>_dm): Likewise.
        (unpack<mode>_nodm): Likewise.
        (pack<mode>): Likewise.
        (unpackv1ti): Likewise.
        (unpack<mode>, FMOVE128_VSX iterator): Likewise.
        (packv1ti): Likewise.
        (pack<mode>, FMOVE128_VSX iterator): Likewise.
        (extenddftf2): Add support for IEEE 128-bit floating point in VSX
        registers.
        (extenddftf2_internal): Likewise.
        (trunctfdf2): Likewise.
        (trunctfdf2_internal2): Likewise.
        (fix_trunc_helper): Likewise.
        (fix_trunctfdi2"): Likewise.
        (floatditf2): Likewise.
        (floatuns<mode>tf2): Likewise.
        (extend<FLOAT128_SFDFTF:mode><IFKF:mode>2): Likewise.
        (trunc<IFKF:mode><FLOAT128_SFDFTF:mode>2): Likewise.
        (fix_trunc<IFKF:mode><SDI:mode>2): Likewise.
        (fixuns_trunc<IFKF:mode><SDI:mode>2): Likewise.
        (float<SDI:mode><IFKF:mode>2): Likewise.
        (floatuns<SDI:mode><IFKF:mode>2): Likewise.

2015-08-26  Renlin Li  <renlin.li@arm.com>

        * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode><ALLX:mode>4): New.

2015-08-26  Marcus Shawcroft  <marcus.shawcroft@arm.com>
            Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.md (UNSPEC_GOTTINYTLS): New UNSPEC.
        (tlsie_tiny_<mode>): New define_insn.
        (tlsie_tiny_sidi): Likewise.
        * config/aarch64/aarch64-protos.h (aarch64_symbol_type): Define
        SYMBOL_TINY_TLSIE.
        (aarch64_symbol_context): New comment for SYMBOL_TINY_TLSIE.
        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Support
        SYMBOL_TINY_TLSIE.
        (aarch64_expand_mov_immediate): Likewise.
        (aarch64_print_operand): Likewise.
        (arch64_classify_tls_symbol): Likewise.

2015-08-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm-arches.def: Replace single value flags with
        an initializer built from ARM_FSET_MAKE_CPU1.
        * config/arm/arm-cores.def: Likewise.
        * config/arm/arm.c: (all_cores): Remove ARM_FSET_MAKE_CPU1
        derivation from the ARM_CORE macro definition, use the given value
        instead.
        (all_architectures): Remove ARM_FSET_MAKE_CPU1 derivation from the
        ARM_ARCH macro definition, use the given value instead.

2015-08-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm-builtins.c (def_mbuiltin): Test all flags in a
        feature set.
        (struct builtin_description): Replace field mask with field
        features.
        (IWMMXT_BUILTIN): Use ARM_FSET macros for feature flags.
        (IWMMXT2_BUILTIN): Likewise.
        (IWMMXT2_BUILTIN2): Likewise.
        (FP_BUILTIN): Likewise.
        (CRC32_BUILTIN): Likewise.
        (CRYPTO_BUILTIN): Likewise.
        (iwmmx_mbuiltin): Likewise.
        (iwmmx2_mbuiltin): Likewise.
        (arm_init_iwmmxt_builtins): Likewise. Also, update for change to
        struct builtin_description.

2015-08-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm-builtins.c (def_mbuiltin): Use ARM_FSET macro.
        (struct builtin_description): Change type of mask to unsigned
        long.
        * config/arm/arm-protos.h (insn_flags): Declare as type
        arm_feature_set.
        (tune_flags): Likewise.
        * config/arm/arm.c (feature_count): New.
        (insn_flags): Define as type arm_feature_set.
        (tune_flags): Likewise.
        (struct processors): Define field flags as type arm_feature_set.
        (all_cores): Update for change to struct processors.
        (all_architectures): Likewise.
        (arm_option_check_internal): Use arm_feature_set and ARM_FSET
        macros.
        (arm_option_override_internal): Likewise.
        (arm_option_override): Likewise.

2015-08-26  Marcus Shawcroft  <marcus.shawcroft@arm.com>
            Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.c (initialize_aarch64_tls_size): Set default
        tls size for tiny, small, large memory model.
        (aarch64_load_symref_appropriately): Support new symbol types.
        (aarch64_expand_mov_immediate): Likewise.
        (aarch64_print_operand): Likewise.
        (aarch64_classify_tls_symbol): Likewise.
        * config/aarch64/aarch64-protos.h (aarch64_symbol_context): Likewise.
        (aarch64_symbol_type): Likewise.
        * config/aarch64/aarch64.md (tlsle): Deleted.
        (tlsle12_<mode>): New define_insn.
        (tlsle24_<mode>): Likewise.
        (tlsle32_<mode>): Likewise.
        (tlsle48_<mode>): Likewise.
        * doc/sourcebuild.texi (AArch64-specific attributes): Document
        "aarch64_tlsle32".

2015-08-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm-protos.h (FL_NONE): New.
        (FL_ANY): New.
        (arm_feature_set): New.
        (ARM_FSET_MAKE): New.
        (ARM_FSET_MAKE_CPU1): New.
        (ARM_FSET_MAKE_CPU2): New.
        (ARM_FSET_CPU1): New.
        (ARM_FSET_CPU2): New.
        (ARM_FSET_EMPTY): New.
        (ARM_FSET_ANY): New.
        (ARM_FSET_HAS_CPU1): New.
        (ARM_FSET_HAS_CPU2): New.
        (ARM_FSET_HAS_CPU): New.
        (ARM_FSET_ADD_CPU1): New.
        (ARM_FSET_ADD_CPU2): New.
        (ARM_FSET_DEL_CPU1): New.
        (ARM_FSET_DEL_CPU2): New.
        (ARM_FSET_UNION): New.
        (ARM_FSET_INTER): New.
        (ARM_FSET_XOR): New.
        (ARM_FSET_EXCLUDE): New.
        (AFM_FSET_IS_EMPTY): New.
        (ARM_FSET_CPU_SUBSET): New.

2015-08-26  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_symbol_type): Rename
        SYMBOL_TLSLE to SYMBOL_TLSLE24.
        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
        Likewise.
        (aarch64_expand_mov_immediate): Likewise.
        (aarch64_print_operand): Likewise.
        (aarch64_classify_symbol): Likewise.

2015-08-26  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.opt (mtls-size): New entry.
        * config/aarch64/aarch64.c (initialize_aarch64_tls_size): New function.
        (aarch64_override_options_internal): Call initialize_aarch64_tls_size.
        * doc/invoke.texi (AArch64 Options): Document -mtls-size.

2015-08-26  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm-cores.def: Add FL_FOR_ARCH flag for each
        ARM_CORE entry.  Fix some white-space.
        * config/arm/arm.c: Remove FL_FOR_ARCH derivation from
        ARM_CORE definition.

2015-08-26  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * fold-const.c (fold_binary_loc) : Move Optimize
        root(x)*root(y) as root(x*y) to match.pd.
        Move Optimize expN(x)*expN(y) as expN(x+y) to match.pd.
        Move Optimize pow(x,y)*pow(x,z) as pow(x,y+z) to match.pd.
        Move Optimize a/root(b/c) into a*root(c/b) to match.pd.
        Move Optimize x/expN(y) into x*expN(-y) to match.pd.
        * match.pd (mult (root:s @0) (root:s @1)): New simplifier.
        (mult (POW:s @0 @1) (POW:s @0 @2)) : New simplifier.
        (mult (exps:s @0) (exps:s @1)) : New simplifier.
        (rdiv @0 (root:s (rdiv:s @1 @2))) : New simplifier.
        (rdiv @0 (exps:s @1)) : New simplifier.

2015-08-25  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (driver::finalize): Only assign to extra_specs if
        [EXTRA_SPECS].

2015-08-25  Marek Polacek  <polacek@redhat.com>

        PR middle-end/67330
        * varasm.c (declare_weak): Return after giving an error.

2015-08-25  David Malcolm  <dmalcolm@redhat.com>

        * gcc-main.c (main): Add params to driver ctor.
        * gcc.c (class env_manager): New.
        (env): New global.
        (env_manager::init): New.
        (env_manager::get): New.
        (env_manager::xput): New.
        (env_manager::restore): New.
        Poison getenv and putenv.
        (DEFAULT_TARGET_SYSTEM_ROOT): New.
        (target_system_root): Update initialization to use
        DEFAULT_TARGET_SYSTEM_ROOT.
        (struct spec_list): Add field "default_ptr".
        (INIT_STATIC_SPEC): Initialize new field "default_ptr".
        (init_spec): Likewise.
        (set_spec): Clear field "default_ptr".
        (read_specs): Free "spec" and "buffer".
        (xputenv): Reimplement in terms of env_manager.
        (process_command): Replace ::getenv calls with calls to the
        env_manager singleton.
        (process_brace_body): Free string in three places.
        (driver::driver): New.
        (driver::~driver): New.
        (used_arg): Convert from a function to...
        (class used_arg_t): ...this class, and...
        (used_arg): ...this new global instance.
        (used_arg_t::finalize): New function.
        (getenv_spec_function): Add "const" to local "value".  Replace
        ::getenv call with call to the env_manager singleton.
        (path_prefix_reset): New function.
        (driver::finalize): New function.
        * gcc.h (driver::driver): New.
        (driver::~driver): New.
        (driver::finalize): New.

2015-08-25  Nathan Sidwell  <nathan@acm.org>

        * optabs.c (emit_indirect_jump): Don't try an emit a jump if the
        target doesn't have one.

2015-08-25  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/67346
        * config/rs6000/rs6000.md (*ior<mode>_mask): Use a match_scratch.

2015-08-25  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/67344
        * config/rs6000/rs6000.md (*and<mode>3_imm_dot_shifted): Change to
        a define_insn, remove second alternative.

2015-08-25  Thomas Schwinge  <thomas@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (struct switchstr): Expand comment.

2015-08-25  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_write_function_decl): Reformat.
        (nvptx_reorg_subreg): Pass insn pattern to asm_operands.

2015-08-25  Richard Biener  <rguenther@suse.de>

        PR middle-end/67306
        * genmatch.c (expr::gen_transform): Verify the result of
        builtin_decl_implicit.
        (dt_simplify::gen_1): Likewise.

2015-08-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/constraints.md: Also list Cs and US ARM-specific
        constraints as used.

2015-08-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/66609
        * config/sh/sh.c (sh_asm_output_addr_const_extra): Handle
        UNSPEC_PCREL.
        (nonpic_symbol_mentioned_p): Likewise.
        (sh_delegitimize_address): Likewise.
        (sh_function_ok_for_sibcall): Take into account weak symbols.
        (sh_expand_sym_label2reg): New.
        * config/sh/sh-protos.h (sh_expand_sym_label2reg): Declare.
        * config/sh/sh.md (UNSPEC_PCREL): New enum.
        (call_pcrel): Use sh_expand_sym_label2reg.
        (call_value_pcrel, sibcall_pcrel, sibcall_value_pcrel): Likewise.
        (symPCREL_label2reg) New expand.

2015-08-24  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-poly.c: Change type of region from void* to sese.
        * graphite-poly.h (struct scop): Changing the type of scop::region
        from void* to sese. Change accessor macro accordingly.
        * graphite-sese-to-poly.c (extract_affine_chrec): Use accessor macro.

2015-08-24  Aditya Kumar  <aditya.k7@samsung.com>

        * graphite-scop-detection.c (stmt_simple_for_scop_p):
        Constrain only on INTEGER_TYPE.

2015-08-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/67211
        * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Set
        -mefficient-unaligned-vsx on ISA 2.7.

        * config/rs6000/rs6000.opt (-mefficient-unaligned-vsx): Convert
        option to a masked option.

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Rework
        logic for -mefficient-unaligned-vsx so that it is set via an arch
        ISA option, instead of being set if -mtune=power8 is set. Move
        -mefficient-unaligned-vsx and -mallow-movmisalign handling to be
        near other default option handling.

2015-08-24  Richard Sandiford  <richard.sandiford@arm.com>

        * genflags.c (gen_macro): Delete.
        (gen_proto): Don't create GEN.*CALL.* macros.
        * gensupport.h (get_file_location): Declare.
        * gensupport.c (rtx_locs): New variable.
        (read_md_rtx): Record rtx locations.
        (get_file_location): New function.
        * target-insns.def (call, call_pop, call_value, call_value_pop)
        (sibcall, sibcall_value): New patterns.
        * gentarget-def.c (parse_argument): New function.
        (def_target_insn): Use it.  Handle optional operands.  Raise an
        error if an .md pattern has the wrong number of operands for the
        pattern name.  Remove the names of unused operands from the prototype.
        * builtins.c (expand_builtin_apply): Use targetm functions
        instead of HAVE_call_value and GEN_CALL_VALUE.
        * calls.c (emit_call_1): Likewise.  Remove support for sibcall_pop
        and sibcall_value_pop.
        * config/aarch64/aarch64.md (untyped_call): Use gen_call instead
        of GEN_CALL.
        * config/alpha/alpha.md (untyped_call): Likewise.
        * config/iq2000/iq2000.md (untyped_call): Likewise.
        * config/m68k/m68k.md (untyped_call): Likewise.
        * config/mips/mips.md (untyped_call): Likewise.
        * config/pa/pa.md (untyped_call): Likewise.
        * config/rs6000/rs6000.md (untyped_call): Likewise.
        * config/sparc/sparc.md (untyped_call): Likewise.
        * config/tilegx/tilegx.md (untyped_call): Likewise.
        * config/tilepro/tilepro.md (untyped_call): Likewise.
        * config/visium/visium.md (untyped_call): Likewise.
        * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Use
        gen_call_value instead of GEN_CALL_VALUE.
        * config/arm/arm.md (untyped_call): Likewise.
        * config/cr16/cr16.c (cr16_function_arg): Remove reference to
        GEN_CALL.

2015-08-24  Richard Sandiford  <richard.sandiford@arm.com>

        * ifcvt.c (HAVE_incscc, HAVE_decscc, HAVE_cbranchcc4): Delete.
        (have_cbranchcc4): New variable.
        (cc_in_cond, noce_emit_cmove, noce_get_alt_condition)
        (noce_get_condition): Use it instead of HAVE_cbranchcc4.
        (if_convert): Initialize have_cbranchcc4.

2015-08-24  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (expand_cmpstrn): Rename to...
        (expand_cmpstrn_or_cmpmem): ...this.
        (expand_builtin_strcmp, expand_builtin_strncmp): Update accordingly.
        (expand_builtin_memcmp): Use optabs instead of HAVE_cmpmem/gen_cmpmem.
        Remove mode argument.
        (expand_builtin): Update accordingly.

2015-08-24  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (expand_cmpstr, expand_cmpstrn): New functions.
        (expand_builtin_strcmp, expand_builtin_strncmp): Use them.  Remove
        references to HAVE_cmpstr{,n}si and CODE_FOR_cmpstr{,n}si.
        * config/m32c/blkmov.md (cmpstrsi): Fix predicates of operands 1 and 2.
        Add predicates for operands 0 and 3.
        * config/rx/rx.md (cmpstrnsi): Remove force_operand for the length
        operand.
        * config/sh/sh.md (cmpstrnsi): Change the length predicate from
        immediate_operand to nonmemory_operand.

2015-08-24  Richard Sandiford  <richard.sandiford@arm.com>

        * df-scan.c (df_insn_info_init_fields): New function, split out
        from...
        (df_insn_create_insn_record): ...here.
        (df_insn_info_free_fields): New function, split out from...
        (df_insn_info_delete): ...here.
        (df_insn_rescan): Use the new functions instead of freeing and
        reallocating the df_insn_info.

2015-08-24  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * doc/install.texi (Binaries): Remove links no longer valid.

2015-08-24  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/mkoffload.c (process): Replace
        GOMP_offload_{,un}register with GOMP_offload_{,un}register_ver.

2015-08-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/67329
        * config/i386/i386.c (iamcu_cost): Set MOVE_RATIO cost to 9.

2015-08-24  Renlin Li  <renlin.li@arm.com>

        * config/arm/arm-protos.h (arm_valid_symbolic_address_p): Declare.
        * config/arm/arm.c (arm_valid_symbolic_address_p): Define.
        * config/arm/arm.md (arm_movt): Use arm_valid_symbolic_address_p.
        * config/arm/constraints.md ("j"): Add check for high code.

2015-08-24  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65468
        * omp-low.c (expand_omp_for_static_chunk): Remove inner loop if
        chunk_size is one.

2015-08-24  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (walk_args_for_param): Revert previous
        change to nvptx_type_from_mode call. Use arg_promotion for both
        split and non-split args.

2015-08-24  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (movstr): New pattern.
        * builtins.c (HAVE_movstr, CODE_FOR_movstr): Delete.
        (expand_movstr): Use targetm rather than HAVE_movstr/
        CODE_FOR_movstr.

2015-08-24  Richard Sandiford  <richard.sandiford@arm.com>

        * config/microblaze/microblaze.c (microblaze_classify_unspec): Fix
        cast syntax.

2015-08-24  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64-tuning-flags.def: Remove all index to
        AARCH64_EXTRA_TUNING_OPTION.
        * config/aarch64/aarch64-protos.h (aarch64_extra_tuning_flags_index):
        New enum.
        (aarch64_extra_tuning_flags): Base the shifted value on the index
        instead of the argument to AARCH64_EXTRA_TUNING_OPTION.
        * config/aarch64/aarch64.c: Remove the last argument to
        AARCH64_EXTRA_TUNING_OPTION.

2015-08-23  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (walk_args_for_param): Promote arg reg
        decls.
        (nvptx_declare_function_name): Insert formatting tabs for
        consistency.

2015-08-23  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (expand_omp_taskreg): If in ssa, set rhs of parcopy stmt to
        parm_decl, rather than generating a dummy default def in cfun.
        * tree-cfg.c (replace_ssa_name): Assume no default defs.  Make sure
        ssa_name from cfun and child_fn do not share a stmt as def stmt.
        (move_stmt_op): Handle PARM_DECl.
        (gather_ssa_name_hash_map_from): New function.
        (move_sese_region_to_fn): Add default defs for function params, and add
        them to vars_map.  Release copied ssa names.
        * tree-cfg.h (gather_ssa_name_hash_map_from): Declare.

2015-08-23  Tom de Vries  <tom@codesourcery.com>

        * doc/sourcebuild.texi: Rename vect_no_int_max with
        vect_no_int_min_max.  Update description.

2015-08-22  Andrew Pinski  <apinski@cavium.com>

         * aarch64-fusion-pairs.def: Remove all index to AARCH64_FUSION_PAIR.
        * config/aarch64/aarch64-protos.h
        (aarch64_fusion_pairs_index): New enum.
        (aarch64_fusion_pairs): Base the shifted value on the index instead
        Rewrite AARCH64_FUSE_ALL to be based on the end index.
        of the argument to AARCH64_FUSION_PAIR.
        * config/aarch64/aarch64.c: Remove the last argument to
        AARCH64_FUSION_PAIR.

2015-08-22  Mikhail Maltsev <maltsevm@gmail.com>

        * dominance.c (new_zero_array): Define.
        (dom_info): Redefine as class with proper encapsulation.
        (dom_info::m_n_basic_blocks, m_reverse, m_start_block, m_end_block):
        Add new members.
        (dom_info::dom_info, ~dom_info): Define.  Use new/delete for memory
        allocations/deallocations.  Pass function as parameter (instead of
        using cfun).
        (dom_info::get_idom): Define accessor method.
        (dom_info::calc_dfs_tree_nonrec, calc_dfs_tree, compress, eval,
        link_roots, calc_idoms): Redefine as class members.  Do not use cfun.
        (calculate_dominance_info): Adjust to use dom_info class.
        (verify_dominators): Likewise.

2015-08-21  Alexandre Oliva  <aoliva@redhat.com>

        * print-rtl.c (print_rtx): Check the correct range for
        flag_dump_unnumbered_links to behave as documented.

        PR rtl-optimization/67227
        PR rtl-optimization/64164
        * alias.c (memrefs_conflict_p): Handle VALUEs in PLUS better.
        (nonoverlapping_memrefs_p): Test offsets and sizes when given
        identical gimple_reg exprs.

2015-08-21  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.md (allocate_stack): Emit sorry during
        expansion.
        * config/nvptx/nvptx.c (nvptx_declare_function_name): Look at
        crtl->stack_alignment_needed to determine alignment.
        (nvptx_get_drap_rtx): New.
        (TARGET_GET_DRAP_RTX): Override.
        * config/nvptx/nvptx.h (MAX_STACK_ALIGNMENT): Set.

2015-08-21  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * config.build: Remove case for m68000-hp-hpux* | m68k-hp-hpux*.

2015-08-21  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * configure.ac: Remove uwin* cases.
        * config.build: Remove cases for i370-*-opened*, i370-*-mvs*,
        i[34567]86-*-sco3.2v5*, i[34567]86-sequent-ptx4*,
        i[34567]86-sequent-sysv4*, i[34567]86-*-sysv4*,
        i[34567]86-*-udk*, i[34567]86-*-uwin*, i386-*-vsta.
        * config.host: Remove cases for i370-*-opened*, i370-*-mvs*,
        i[34567]86-*-uwin*, powerpc-*-beos*.

2015-08-21  Richard Sandiford  <richard.sandiford@arm.com>

        * gencodes.c (gencodes): Print the comma for the preceding
        enum value rather than the current one.  Use aliased enum values
        rather than #defines for compiled-out patterns.
        (main): Update accordingly.  Replace LAST_INSN_CODE with
        NUM_INSN_CODES.
        * lra.c (insn_code_data): Update accordingly.
        (finish_insn_code_data_once, get_static_insn_data): Likewise.
        * recog.h (target_recog): Likewise.
        (preprocess_insn_constraints): Change parameter to unsigned int.
        * recog.c (preprocess_insn_constraints): Likewise.
        (recog_init): Replace LAST_INSN_CODE with NUM_INSN_CODES.
        * tree-vect-stmts.c (vectorizable_operation): Simplify.

2015-08-21  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR rtl-optimization/61657
        * loop-iv.c (iv_number_of_iterations): Declare up and down as
        unsigned.  Remove superflous uint64_t cast.

2014-08-21  Felix Yang  <felix.yang@huawei.com>
            Jiji Jiang  <jiangjiji@huawei.com>

        * value-prof.c (interesting_stringop_to_profile_p): Removed FNDECL
        argument and get builtin function code directly from CALL.
        (gimple_stringop_fixed_value): Modified accordingly.
        (gimple_stringops_transform, gimple_stringops_values_to_profile):
        Modified accordingly and only accept BUILT_IN_NORMAL string operations.

2015-08-21  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390-builtins.def: Fix value range of vec_load_bndry.

2015-08-21  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * fold-const.c (fold_binary_loc) : Move sqrt(x)*sqrt(x) as x
        to match.pd.
        Move Optimize pow(x,y)*pow(z,y) as pow(x*z,y)to match.pd.
        Move Optimize tan(x)*cos(x) as sin(x) to match.pd.
        Move Optimize x*pow(x,c) as pow(x,c+1) to match.pd.
        Move Optimize pow(x,c)*x as pow(x,c+1) to match.pd.
        Move Optimize sin(x)/cos(x) as tan(x) to match.pd.
        Move Optimize cos(x)/sin(x) as 1.0/tan(x) to match.pd.
        Move Optimize sin(x)/tan(x) as cos(x) to match.pd.
        Move Optimize tan(x)/sin(x) as 1.0/cos(x) to match.pd.
        Move Optimize pow(x,c)/x as pow(x,c-1) to match.pd.
        Move Optimize x/pow(y,z) into x*pow(y,-z) to match.pd.

        * match.pd (SIN ) : New Operator.
        (TAN) : New Operator.
        (mult (SQRT@1 @0) @1) : New simplifier.
        (mult (POW:s @0 @1) (POW:s @2 @1)) : New simplifier.
        (mult:c (TAN:s @0) (COS:s @0)) : New simplifier.
        (mult:c (TAN:s @0) (COS:s @0)) : New simplifier.
        (rdiv (SIN:s @0) (COS:s @0)) : New simplifier.
        (rdiv (COS:s @0) (SIN:s @0)) : New simplifier.
        (rdiv (SIN:s @0) (TAN:s @0)) : New simplifier.
        (rdiv (TAN:s @0) (SIN:s @0)) : New simplifier.
        (rdiv (POW:s @0 REAL_CST@1) @0) : New simplifier.
        (rdiv @0 (SQRT:s (rdiv:s @1 @2))) : New simplifier.
        (rdiv @0 (POW:s @1 @2)) : New simplifier.

2015-08-21  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Break
        loop if EXPR is simplified to const value.

2015-08-21  Yury Gribov  <y.gribov@samsung.com>

        * sanitizer.def (BUILT_IN_UBSAN_HANDLE_NONNULL_ARG,
        BUILT_IN_UBSAN_HANDLE_NONNULL_ARG): Fix builtin types.

2015-08-21  Richard Biener  <rguenther@suse.de>

        PR middle-end/67285
        * gimple-fold.c (replace_stmt_with_simplification): Assert
        seq is empty when replacing a call with itself but different
        arguments.
        * gimple-match-head.c (maybe_push_res_to_seq): When pushing
        a call require that it is const.

2015-08-20  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (CONSTANT_ALIGNMENT): New macro definition.
        * builtins.c (get_object_alignment_2): Adjust.
        * varasm.c (align_variable): Likewise.
        (get_variable_align): Likewise.
        (build_constant_desc): Likewise.
        (force_const_mem): Likewise.
        * doc/tm.texi.in: Likewise.
        * doc/tm.texi: Regenerate.

2015-08-20  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * genconfig.c (main): Always define HAVE_cc0.
        * recog.c (rest_of_handle_peephole2): Adjust.

2015-08-20  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * reorg.c (relax_delay_slots): Don't use #if to check value of
        HAVE_cc0.

2015-08-20  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * genconfig.c (main): Always define HAVE_CONDITIONAL_EXECUTION.
        * targhooks.c (default_have_conditional_execution): Adjust.

2015-08-20  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (rtvec_all_equal_p): Declare.
        (const_vec_duplicate_p, unwrap_const_vec_duplicate): New functions.
        * rtl.c (rtvec_all_equal_p): New function.
        * expmed.c (expand_mult): Use unwrap_const_vec_duplicate.
        * config/aarch64/aarch64.c (aarch64_vect_float_const_representable_p)
        (aarch64_simd_dup_constant): Use const_vec_duplicate_p.
        * config/arm/arm.c (neon_vdup_constant): Likewise.
        * config/s390/s390.c (s390_contiguous_bitmask_vector_p): Likewise.
        * config/tilegx/constraints.md (W, Y): Likewise.
        * config/tilepro/constraints.md (W, Y): Likewise.
        * config/spu/spu.c (spu_legitimate_constant_p): Likewise.
        (classify_immediate): Use unwrap_const_vec_duplicate.
        * config/tilepro/predicates.md (reg_or_v4s8bit_operand): Likewise.
        (reg_or_v2s8bit_operand): Likewise.
        * config/tilegx/predicates.md (reg_or_v8s8bit_operand): Likewise.
        (reg_or_v4s8bit_operand): Likewise.

2015-08-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.h (vec_pmsum_be): New #define.
        (vec_shasigma_be): New #define.
        * config/rs6000/rs6000-builtin.def (VPMSUMB): New BU_P8V_AV2_2.
        (VPMSUMH): Likewise.
        (VPMSUMW): Likewise.
        (VPMSUMD): Likewise.
        (VPMSUM): New BU_P8V_OVERLOAD_2.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): New
        entries for VEC_MADD and VEC_VPMSUM.

2015-08-20  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.c (avr_insert_attributes): In diagnostic essage:
        Multiply argument avr_n_flash by 64 to match unit of "KiB".
        (avr_pgm_check_var_decl): Same.

2015-08-20  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/arm-builtins.c (arm_init_simd_builtin_types): Move
        initialization of HFmode scalar type (float16_t) to...
        (arm_init_fp16_builtins): ... Here. Combine with __fp16 initialization
        code.

        (arm_init_builtins): Call arm_init_fp16_builtins earlier and always.

        * config/arm/arm_neon.h (vcvt_f16_f32, vcvt_f32_f16): Condition on
        having an -mfp16-format.

2015-08-20  Richard Sandiford  <richard.sandiford@arm.com>

        * config/i386/predicates.md (vector_all_ones_operand): Use
        CONSTM1_RTX to simplify definition.

2015-08-20  Richard Biener  <rguenther@suse.de>

        * toplev.c (compile_file): Remove loop calling late_global_decl
        on all symbols.
        * varpool.c (varpool_node::assemble_decl): Call late_global_decl
        on decls we assembled.

2015-08-20  James Greenhalgh  <james.greenhalgh@arm.com>

        * common/config/aarch64/aarch64-common.c
        (AARCH64_CPU_NAME_LENGTH): Delete.
        (aarch64_option_extension): New.
        (all_extensions): Likewise.
        (processor_name_to_arch): Likewise.
        (arch_to_arch_name): Likewise.
        (all_cores): New.
        (all_architectures): Likewise.
        (aarch64_get_extension_string_for_isa_flags): Likewise.
        (aarch64_rewrite_selected_cpu): Change to rewrite CPU names to
        architecture names.
        * config/aarch64/aarch64-protos.h
        (aarch64_get_extension_string_for_isa_flags): New.
        * config/aarch64/aarch64.c (aarch64_print_extension): Delete.
        (aarch64_option_print): Get the string to print from
        aarch64_get_extension_string_for_isa_flags.
        (aarch64_declare_function_name): Likewise.
        * config/aarch64/aarch64.h (BIG_LITTLE_SPEC): Rename to...
        (MCPU_TO_MARCH_SPEC): This.
        (ASM_CPU_SPEC): Use it.
        (BIG_LITTLE_SPEC_FUNCTIONS): Rename to...
        (MCPU_TO_MARCH_SPEC_FUNCTIONS): ...This.
        (EXTRA_SPEC_FUNCTIONS): Use it.

2015-08-20  Simon Dardis  <simon.dardis@imgtec.com>

        * config/mips/mips.c (mips_expand_block_move): Enable inline memcpy
        expansion when !ISA_HAS_LWL_LWR.
        (mips_block_move_straight): Update the size of elements copied to
        account for alignment when !ISA_HAS_LWL_LWR.
        * config/mips/mips.h (MIPS_MIN_MOVE_MEM_ALIGN): New macro.

2015-08-19  Jiong Wang  <jiong.wang@arm.com>

        * expr.c (expand_expr_real_2): Check gimple statement during
        LSHIFT_EXPR expand.

2015-08-19  Magnus Granberg  <zorry@gentoo.org>

        * common.opt (fstack-protector): Initialize to -1.
        (fstack-protector-all): Likewise.
        (fstack-protector-strong): Likewise.
        (fstack-protector-explicit): Likewise.
        * configure.ac: Add --enable-default-ssp.
        * defaults.h (DEFAULT_FLAG_SSP): New.  Default SSP to strong.
        * opts.c (finish_options): Update opts->x_flag_stack_protect if it is
        -1.
        * doc/install.texi: Document --enable-default-ssp.
        * config.in: Regenerated.
        * configure: Likewise.

2015-08-19  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/64164
        * cfgexpand.c (parm_maybe_byref_p): Renamed to...
        (parm_in_stack_slot_p): ... this.  Disregard mode, what
        matters is whether the parm will live in a pseudo or a stack
        slot.
        (expand_one_ssa_partition): Deal with params without a default
        def.  Disregard mode.
        * cfgexpand.h: Renamed function declaration.
        * tree-ssa-coalesce.c: Adjust.
        * function.c (split_complex_args): Allocate stack slot for
        unassigned parms before splitting.
        (parm_in_unassigned_mem_p): New.  Use it instead of
        parm_maybe_byref_p throughout this file.
        (assign_parm_setup_block): Use it.  Accept pseudos in the
        expand-assigned rtl.
        (assign_parm_setup_reg): Drop BLKmode requirement.
        (assign_parm_setup_stack): Allocate and fill in the address of
        unassigned MEM parms.

2015-08-19  David Sherwood  <david.sherwood@arm.com>

        * genmodes.c (emit_mode_unit_size_inline): New function.
        (emit_mode_unit_precision_inline): New function.
        (emit_insn_modes_h): Emit new #define.  Emit new functions.
        (emit_mode_unit_size): New function.
        (emit_mode_unit_precision): New function.
        (emit_mode_adjustments): Add mode_unit_size adjustments.
        (emit_insn_modes_c): Emit new arrays.
        * machmode.h (GET_MODE_UNIT_SIZE, GET_MODE_UNIT_PRECISION): Update to
        use new inline methods.

2015-08-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (bit_count): Delete prototype
        and definition.
        (aarch64_print_operand): Use popcount_hwi instead of the above.

2015-08-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-option-extensions.def: Delete obsolete
        comment.

2015-08-19  Marek Polacek  <polacek@redhat.com>

        PR middle-end/67133
        * gimple-ssa-isolate-paths.c
        (insert_trap_and_remove_trailing_statements): Rename to ...
        (insert_trap): ... this.  Don't remove trailing statements; split
        block instead.
        (find_explicit_erroneous_behaviour): Don't remove all outgoing edges.

2015-08-19  Mikael Morin  <mikael@gcc.gnu.org>

        PR other/67042
        * hwint.h (sext_hwi): Switch to unsigned for the left shift, and
        conditionalize the whole on __GNUC__.  Add fallback code
        depending neither on undefined nor implementation-defined behaviour.

2015-08-19  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Replace
        whitespaces with tab.

2015-08-19  Florian Weimer  <fweimer@redhat.com>

        * prj.adb (For_Every_Project_Imported_Context.Recursive_Check_Context):
        Move Name_Id_Set instantiation to the Prj package, to avoid trampolines.
        * prj-proc.adb (Process.Process_Expression_Variable_Decl):
        Move Name_Ids instantiation to the Prj.Proc package, to avoid
        trampolines.

2015-08-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (bounds_check): Use %wd print format
        for HOST_WIDE_INT arguments.

2015-08-18  Trevor Saunders  <tbsaunde@tbsaunde.org>

        * bb-reorder.c, cfgloop.h, collect2.c, combine.c, dse.c,
        dwarf2cfi.c, gcse-common.h, genopinit.c, ggc-page.c, machmode.h,
        mcf.c, modulo-sched.c, omp-low.c, read-rtl.c, sched-rgn.c,
        signop.h, tree-call-cdce.c, tree-dfa.c, tree-diagnostic.c,
        tree-inline.h, tree-scalar-evolution.c, tree-ssa-address.c,
        tree-ssa-loop-niter.c, tree-ssa-loop.h, tree-ssa-pre.c,
        tree-ssa-reassoc.c, tree-ssa-sccvn.h, tree-ssa-structalias.c,
        tree-ssa-uninit.c, tree-ssa.h, tree-vect-loop-manip.c,
        tree-vectorizer.h, tree-vrp.c, var-tracking.c: Remove useless
        typedefs.

2015-08-18  trevor Saunders  <tbsaunde@tbsaunde.org>

        * bt-load.c, cgraph.h, dwarf2out.c, dwarf2out.h, final.c,
        function.c, graphite-scop-detection.c, haifa-sched.c,
        ipa-devirt.c, ipa-split.c, recog.c, ree.c, stmt.c,
        tree-data-ref.c, tree-ssa-dom.c, tree-ssa-loop-ivopts.c,
        varasm.c: Remove typedefs of structs.

2015-08-18  Bill Schmidt  <wschmidt@vnet.linux.ibm.com>

        * config/rs6000/altivec.h (vec_adde): New define.
        (vec_addec): Likewise.
        (vec_double): Likewise.
        (vec_bperm): Likewise.
        (vec_gb): Likewise.
        * config/rs6000/rs6000-builtin.def (ADDE): New
        BU_ALTIVEC_OVERLOAD_3.
        (ADDEC): Likewise.
        (DOUBLE): New BU_VSX_OVERLOAD_1.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add new
        entries for ALTIVEC_BUILTIN_VEC_ADDC, ALTIVEC_BUILTIN_VEC_ADDE,
        ALTIVEC_BUILTIN_VEC_ADDEC, ALTIVEC_BUILTIN_VEC_ANDC,
        VSX_BUILTIN_VEC_DOUBLE, ALTIVEC_BUILTIN_VEC_MERGEH,
        ALTIVEC_BUILTIN_VEC_MERGEL, ALTIVEC_BUILTIN_VEC_NOR,
        ALTIVEC_BUILTIN_VEC_OR, ALTIVEC_BUILTIN_VEC_XOR,
        ALTIVEC_BUILTIN_VEC_PERM, ALTIVEC_BUILTIN_VEC_SEL,
        P8V_BUILTIN_VEC_EQV, P8V_BUILTIN_VEC_NAND, P8V_BUILTIN_VEC_ORC,
        and P8V_BUILTIN_VEC_VBPERMQ.

2015-08-18  Jason Merrill  <jason@redhat.com>

        * print-tree.c (print_node): Handle TREE_BINFO.

2015-08-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR middle-end/36757
        * builtins.c (expand_builtin_signbit): Add asserts to make sure
        we can expand BUILT_IN_SIGNBIT inline.
        * builtins.def (BUILT_IN_SIGNBIT): Make type-generic.
        * doc/extend.texi: Document the type-generic __builtin_signbit.

2015-08-18  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/67218
        * simplify-rtx.c (exact_int_to_float_conversion_p): New function.
        (simplify_unary_operation_1): Use it.

2015-08-18  Marek Polacek  <polacek@redhat.com>

        PR middle-end/67222
        * gimple-low.c (lower_stmt): Don't lower BUILT_IN_POSIX_MEMALIGN
        if the call isn't valid.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Check builtins using
        gimple_call_builtin_p.
        (call_may_clobber_ref_p_1): Likewise.
        (stmt_kills_ref_p): Likewise.

2015-08-18  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips-protos.h (mips_hard_regno_rename_ok): New prototype.
        * config/mips/mips.c (mips_hard_regno_rename_ok): New function.
        (mips_hard_regno_scratch_ok): Likewise.
        (TARGET_HARD_REGNO_SCRATCH_OK): Define macro.
        * config/mips/mips.h (HARD_REGNO_RENAME_OK): New.

2015-08-18  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-niter.c (refine_value_range_using_guard): New.
        (determine_value_range): Call refine_value_range_using_guard for
        each loop initial condition to improve value range.

2015-08-17  Aldy Hernandez  <aldyh@redhat.com>

        * config/i386/i386.c: Remove include of fibheap.h.

2015-08-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67221
        * tree-ssa-sccvn.c (visit_phi): Keep all-TOP args TOP.
        (sccvn_dom_walker::before_dom_children): Mark backedges of
        non-executable blocks as not executable.

2015-08-17  David Sherwood  <david.sherwood@arm.com>

        * config/arm/arm.c (neon_element_bits): Replace call to
        GET_MODE_BITSIZE (GET_MODE_INNER (m)) with GET_MODE_UNIT_BITSIZE (m).
        * config/arm/neon.md (neon_vget_lane<mode>): Likewise.
        (neon_vget_laneu<mode>, neon_vset_lane<mode>): Likewise
        (neon_vdup_lane<mode>): Likewise.
        * config/i386/i386.c (ix86_expand_int_vcond): Likewise.
        (ix86_expand_multi_arg_builtin, ix86_expand_reduc): Likewise.
        (expand_vec_perm_palignr, ix86_expand_sse2_abs): Likewise.
        * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
        * config/spu/spu.c (arith_immediate_p): Likewise.
        * expmed.c (store_bit_field_1, extract_bit_field_1): Likewise.
        * expr.c (expand_expr_real_2): Likewise.
        * optabs.c (shift_amt_for_vec_perm_mask): Likewise.
        * simplify-rtx.c (simplify_immed_subreg): Likewise.
        * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
        * tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern): Likewise.
        New variable.
        * fold-const.c (fold_binary_loc): Replace call to
        GET_MODE_PRECISION (GET_MODE_INNER (m)) with
        GET_MODE_UNIT_PRECISION (m).

2015-08-17  Mike Stump  <mikestump@comcast.net>

        * config/arm/arm.c (arm_block_move_unaligned_straight):
        Emit normal move instead of unaligned load when source or destination
        are appropriately aligned.

2015-08-17  Richard Biener  <rguenther@suse.de>
            Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        PR middle-end/16107
        * match.pd (div (coss (op @0) : New simplifier.

2015-08-14  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/64164
        PR bootstrap/66978
        PR middle-end/66983
        PR rtl-optimization/67000
        PR middle-end/67034
        PR middle-end/67035
        * Makefile.in (OBJS): Drop tree-ssa-copyrename.o.
        * tree-ssa-copyrename.c: Removed.
        * opts.c (default_options_table): Drop -ftree-copyrename.  Add
        -ftree-coalesce-vars.
        * passes.def: Drop all occurrences of pass_rename_ssa_copies.
        * common.opt (ftree-copyrename): Ignore.
        (ftree-coalesce-inlined-vars): Likewise.
        * doc/invoke.texi: Remove the ignored options above.
        * gimple-expr.h (gimple_can_coalesce_p): Move declaration
        * tree-ssa-coalesce.h: ... here.
        * tree-ssa-uncprop.c: Include tree-ssa-coalesce.h and other
        headers required by it.
        * gimple-expr.c (gimple_can_coalesce_p): Allow coalescing
        across variables when flag_tree_coalesce_vars.  Check register
        use and promoted modes to allow coalescing.  Do not coalesce
        maybe-byref parms with SSA_NAMEs of other variables, or
        anonymous SSA_NAMEs.  Moved to tree-ssa-coalesce.c.
        * tree-ssa-live.c (struct tree_int_map_hasher): Move along
        with its member functions to tree-ssa-coalesce.c.
        (var_map_base_init): Likewise.  Renamed to
        compute_samebase_partition_bases.
        (partition_view_normal): Drop want_bases parameter.
        (partition_view_bitmap): Likewise.
        * tree-ssa-live.h: Adjust declarations.
        * tree-ssa-coalesce.c: Include explow.h and cfgexpand.h.
        (build_ssa_conflict_graph): Process PARM_ and RESULT_DECLs's
        default defs at the entry point.
        (dump_part_var_map): New.
        (compute_optimized_partition_bases): New, called by...
        (coalesce_ssa_name): ... when flag_tree_coalesce_vars, instead
        of compute_samebase_partition_bases.  Adjust.
        * alias.c (nonoverlapping_memrefs_p): Disregard gimple-regs.
        * cfgexpand.c (leader_merge, parm_maybe_byref_p): New.
        (ssa_default_def_partition): New.
        (get_rtl_for_parm_ssa_default_def): New.
        (align_local_variable, add_stack_var): Support anonymous SSA
        names.
        (defer_stack_allocation): Likewise.  Declare earlier.
        (set_rtl): Merge exprs and attrs, even for MEMs and non-SSA
        vars.  Update DECL_RTL for PARM_DECLs and RESULT_DECLs too.
        Do no record deferred-allocation marker in
        SA.partition_to_pseudo.
        (expand_stack_vars): Adjust check for the marker in it.
        (expand_one_stack_var_at): Handle anonymous SSA_NAMEs.  Drop
        redundant MEM attr setting.
        (expand_one_stack_var_1): Handle anonymous SSA_NAMEs.  Renamed
        from...
        (expand_one_stack_var): ... this.  New wrapper to check and
        skip already expanded SSA partitions.
        (record_alignment_for_reg_var): New, factored out of...
        (expand_one_var): ... this.
        (expand_one_ssa_partition): New.
        (adjust_one_expanded_partition_var): New.
        (expand_one_register_var): Check and skip already expanded SSA
        partitions.
        (expand_used_vars): Don't create DECLs for anonymous SSA
        names.  Expand all SSA partitions, then adjust all SSA names.
        (pass::execute): Replace the loops that set
        SA.partition_to_pseudo from partition leaders and cleared
        DECL_RTL for multi-location variables, and that which used to
        rename vars and set attrs, with one that clears DECL_RTL and
        checks that PARMs and RESULTs default_defs match DECL_RTL.
        * cfgexpand.h (get_rtl_for_parm_ssa_default_def): Declare.
        * emit-rtl.c: Include stor-layout.h.
        (set_reg_attrs_for_parm): Handle NULL decl.
        (set_reg_attrs_for_decl_rtl): Take mode from expression if
        it's not a DECL.
        * stmt.c (emit_case_decision_tree): Pass it the SSA_NAME
        rather than its possibly-NULL DECL.
        * explow.c (promote_ssa_mode): New.
        * explow.h (promote_ssa_mode): Declare.
        * expr.c (expand_expr_real_1): Handle anonymous SSA_NAMEs.
        (read_complex_part): Export.
        * expr.h (read_complex_part): Declare.
        * cfgexpand.h (parm_maybe_byref_p): Declare.
        * function.c: Include cfgexpand.h.
        (use_register_for_decl): Handle SSA_NAMEs, anonymous or not.
        (use_register_for_parm_decl): Wrapper for the above to
        special-case the result_ptr.
        (rtl_for_parm): Ditto for get_rtl_for_parm_ssa_default_def.
        (split_complex_args): Take assign_parm_data_all argument.
        Pass it to rtl_for_parm.  Set up rtl and context for split
        args.  Reset complex parm before fetching its default decl
        rtl.
        (assign_parms_unsplit_complex): Use the default-def complex
        parm rtl if it matches the components.
        (assign_parms_augmented_arg_list): Adjust.
        (maybe_reset_rtl_for_parm): Reset DECL_RTL of parms with
        multiple locations.  Recognize split complex args.
        (assign_parm_adjust_stack_rtl): Add all and parm arguments,
        for rtl_for_parm.  For SSA-assigned parms, zero stack_parm.
        (assign_parm_setup_block): Prefer SSA-assigned location, and
        fill in its address if the memory location of a maybe-byref
        parm was not assigned by cfgexpand.
        (assign_parm_setup_reg): Likewise.  Adjust its mode as
        needed.  Use entry_parm for equiv if stack_parm is NULL.  Make
        sure passed_pointer parms don't need conversion.  Copy address
        or value as needed.
        (assign_parm_setup_stack): Prefer SSA-assigned location.
        (assign_parms): Maybe reset DECL_RTL of params.  Adjust stack
        rtl before testing for pointer bounds.  Special-case result_ptr.
        (expand_function_start): Maybe reset DECL_RTL of result.
        Prefer SSA-assigned location for result and static chain.
        Factor out DECL_RESULT and SET_DECL_RTL.  Convert static chain
        to Pmode if needed, from H.J. Lu  <hongjiu.lu@intel.com>.
        * tree-outof-ssa.c (insert_value_copy_on_edge): Handle
        anonymous SSA names.  Use promote_ssa_mode.
        (get_temp_reg): Likewise.
        (remove_ssa_form): Adjust.
        * stor-layout.c (layout_decl): Don't set mem attributes of
        non-MEMs.
        * var-tracking.c (dataflow_set_clear_at_call): Take call_insn
        and get its reg_usage for reg invalidation.
        (compute_bb_dataflow): Pass it insn.
        (emit_notes_in_bb): Likewise.

2015-08-14  Marek Polacek  <polacek@redhat.com>

        * tree-core.h (tree_base): Fix typo.

2015-08-14  Marek Polacek  <polacek@redhat.com>

        PR middle-end/67133
        * gimple.c (infer_nonnull_range_by_attribute): Check that the
        nonnull argument position is not outside function arguments.

2015-08-14  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/67143
        * config/aarch64/atomics.md (atomic_<optab><mode>): Replace
        'lconst_atomic' with 'const_atomic'.
        (atomic_fetch_<optab><mode>): Likewise.
        (atomic_<optab>_fetch<mode>): Likewise.
        * config/aarch64/iterators.md (lconst-atomic): Move below
        'const_atomic'.
        (const_atomic): New.

2015-08-14  Thomas Schwinge  <thomas@codesourcery.com>
            Bernd Schmidt  <bernds@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_option_override): Don't override
        debug options.
        * config/nvptx/nvptx.h (DWARF2_LINENO_DEBUGGING_INFO): Define.
        (DWARF2_DEBUGGING_INFO): Don't define.
        * debug.h (dwarf2_lineno_debug_hooks): Declare.
        * toplev.c (process_options): Add a case for it.
        * dwarf2out.c (dwarf2_lineno_debug_hooks): New variable.
        (dwarf2out_init): Skip most initializations if
        DWARF2_LINENO_DEBUGGING_INFO, but set cur_line_info_table in that
        case.
        * defaults.h (PREFERRED_DEBUGGING_TYPE): Also use DWARF2_DEBUG if
        DWARF2_LINENO_DEBUGGING_INFO.
        * opts.c (set_debug_level): Likewise.

2015-08-14  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/types.md (is_neon_type): Add missing types.

2015-08-14  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Add support
        for skylake.
        * config/i386/i386.c (PTA_SKYLAKE): New macros.
        (processor_alias_table): Add skylake description.
        (enum processor_model): Add skylake processor.
        (arch_names_table): Add skylake record.
        * doc/invoke.texi: Add skylake item.

2015-08-13  Andrew MacLeod  <amacleod@redhat.com>

        * ira-int.h: Include recog.h.
        * ira-build.c: Don't include recog.h.
        * ira-color.c: Likewise.
        * ira-conflicts.c: Likewise.
        * ira-costs.c: Likewise.
        * ira-emit.c: Likewise.
        * ira-lives.c: Likewise.
        * ira.c: Likewise.
        * sched-deps.c: Likewise.
        * sel-sched.c: Likewise.
        * target-globals.c: Likewise.

2015-08-13  Richard Sandiford  <richard.sandiford@arm.com>

        PR bootstrap/55035
        * reload1.c (elimination_costs_in_insn): Make it obvious to the
        compiler that the n_dups and n_operands loop bounds are invariant.

2015-08-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * ifcvt.c (noce_try_store_flag_constants): Handle PLUS-immediate
        expressions in A and B.

2015-08-13  Richard Biener  <rguenther@suse.de>

        * tree.c (nonnull_arg_p): Move from ...
        * tree-vrp.c (nonnull_arg_p): ... here.
        * tree.h (nonnull_arg_p): Declare.
        * tree-ssa-sccvn.c (init_scc_vn): Perform all lattice init
        here, register ptr != 0 for nonnull_arg_p pointer arguments.
        Properly initialize static chain and by-reference result pointer.
        (run_scc_vn): Adjust.

2015-08-13  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.h (ENABLE_LD_ST_PAIRS): Enable load/store pairs for
        TUNE_I6400.

2015-08-13  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-protos.h
        (aarch64_gen_atomic_cas): Declare.
        * config/aarch64/aarch64.c (aarch64_expand_compare_and_swap):
        Choose appropriate instruction pattern for the target.
        (aarch64_gen_atomic_cas): New.
        * config/aarch64/atomics.md (UNSPECV_ATOMIC_CAS): New.
        (atomic_compare_and_swap<mode>_1): Rename to
        aarch64_compare_and_swap<mode>.  Fix some indentation.
        (aarch64_compare_and_swap<mode>_lse): New.
        (aarch64_atomic_cas<mode>): New.

2015-08-13  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64.h (AARCH64_ISA_LSE): New.
        (TARGET_LSE): New.

2015-08-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67191
        * tree-ssa-sccvn.c (sccvn_dom_walker::before_dom_children): Remove
        assert we value-numbered last stmts operand because it can validly
        trigger for unreachable code.

2015-08-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/67103
        * ifcvt.c (noce_try_store_flag_constants): Move
        x = (-(test != 0) & (b - a)) + a transformation to...
        (noce_try_cmove): ... Here.  Try it if normal conditional
        move fails.

2015-08-13  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.c (mips_rtx_cost_data): Remove costs for W32 and W64
        pseudo-processors.
        * config/mips/mips.md (processor): Remove w32 and w64.

2015-08-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66502
        PR tree-optimization/67167
        * tree-ssa-sccvn.c (vn_phi_compute_hash): Do not include
        backedge arguments.
        (vn_phi_lookup): Adjust.
        (vn_phi_insert): Likewise.
        (visit_phi): Prefer to value-number to another PHI node
        over value-numbering to a PHI argument.
        (init_scc_vn): Mark DFS back edges.

2015-08-13  Richard Biener  <rguenther@suse.de>

        * gimple.h (gcall::code_): New constant static member.
        (gcond::code_): Likewise.
        * gimple.c (gcall::code_): Define.
        (gcond::code_): Likewise.
        (is_a_helper <const gcond *>): Add.
        (gimple_call_lhs): Use GIMPLE_CHECK2 in the gimple overload
        and forward to a new gcall overload with less checking and a
        cheaper way to access the operand.
        (gimple_call_lhs_ptr): Likewise.
        (gimple_call_set_lhs): Likewise.
        (gimple_call_internal_p): Likewise.
        (gimple_call_with_bounds_p): Likewise.
        (gimple_call_set_with_bounds): Likewise.
        (gimple_call_internal_fn): Likewise.
        (gimple_call_set_ctrl_altering): Likewise.
        (gimple_call_ctrl_altering_p): Likewise.
        (gimple_call_fntype): Likewise.
        (gimple_call_fn): Likewise.
        (gimple_call_fn_ptr): Likewise.
        (gimple_call_set_fndecl): Likewise.
        (gimple_call_fndecl): Likewise.
        (gimple_call_chain): Likewise.
        (gimple_call_num_args): Likewise.
        (gimple_call_arg): Likewise.
        (gimple_call_arg_ptr): Likewise.
        (gimple_call_set_arg): Likewise.
        (gimple_call_noreturn_p): Likewise.
        (gimple_cond_code): Likewise.
        (gimple_cond_lhs): Likewise.
        (gimple_cond_rhs): Likewise.
        (gimple_has_lhs): Reduce checking.

2015-08-13  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        PR middle-end/25529
        * match.pd (div (mult @0 @1) @1) : New simplifier.

2015-08-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/67071
        * config/rs6000/predicates.md (easy_vector_constant_vsldoi): New
        predicate to allow construction of vector constants using the
        VSLDOI vector shift instruction.

        * config/rs6000/rs6000-protos.h (vspltis_shifted): Add
        declaration.

        * config/rs6000/rs6000.c (vspltis_shifted): New function to return
        the number of bytes to be shifted left and filled in with either
        all zero or all one bits.
        (gen_easy_altivec_constant): Call vsplitis_shifted if no other
        methods exist.
        (output_vec_const_move): On power8, generate XXLORC to generate
        a vector constant with all 1's. Do a split if we need to use a
        VSLDOI instruction.

        * config/rs6000/rs6000.h (EASY_VECTOR_MSB): Use mode mask to
        properly test for the MSB.

        * config/rs6000/altivec.md (VSLDOI splitter): Add splitter for
        vector constants that can be created with VSLDOI.

2015-08-11  Trevor Saunders  <tbsaunde@tbsaunde.org>

        revert:
        * compare-elim.c, dce.c, dse.c, gimple-ssa-isolate-paths.c,
        gimple-ssa-strength-reduction.c, graphite.c, init-regs.c,
        ipa-pure-const.c, ipa-visibility.c, ipa.c, mode-switching.c,
        omp-low.c, reorg.c, sanopt.c, trans-mem.c, tree-eh.c,
        tree-if-conv.c, tree-ssa-copyrename.c, tree-ssa-dce.c,
        tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
        tree-ssa-sink.c, tree-ssanames.c, tree-stdarg.c, tree-tailcall.c,
        tree-vect-generic.c, tree.c, ubsan.c, var-tracking.c,
        vtable-verify.c, web.c: Use GCC_FINAL instead of the anonymous

2015-08-12  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/constraints.md (define_constraint "Y"): New
        constraint.
        * config/xtensa/elf.h (ASM_SPEC): Add m(no-)auto-litpools.
        * config/xtensa/linux.h (ASM_SPEC): Likewise.
        * config/xtensa/predicates.md (move_operand): Match constants
        and symbols in the presence of TARGET_AUTO_LITPOOLS.
        * config/xtensa/xtensa.c (xtensa_valid_move): Don't allow
        immediate references to TLS data.
        (xtensa_emit_move_sequence): Don't force constants to memory in
        the presence of TARGET_AUTO_LITPOOLS.
        (print_operand): Add 'y' format, same as default, but capable of
        printing SF mode constants as well.
        * config/xtensa/xtensa.md (movsi_internal, movhi_internal)
        (movsf_internal): Add movi pattern that loads literal.
        (movsf, movdf): Don't force constants to memory in the presence
        of TARGET_AUTO_LITPOOLS.
        (movdf_internal): Add 'Y' constraint.
        * config/xtensa/xtensa.opt (mauto-litpools): New option.
        * doc/invoke.text (Xtensa options): Document -mauto-litpools.

2015-08-12  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm-fpus.def: Replace booleans with feature flags.
        Update comment.
        * config/arm/arm.c (ARM_FPU): Update macro.
        * config/arm/arm.h (TARGET_NEON_FP16): Update feature test.
        (TARGET_FP16): Likewise.
        (TARGET_CRYPTO): Likewise.
        (TARGET_NEON): Likewise.
        (struct arm_fpu_desc): Remove fields neon, fp16 and crypto.  Add
        field features.

2015-08-12  Tom de Vries  <tom@codesourcery.com>

        PR other/67092
        PR other/67098
        * doc/install.texi: Remove --with_host_libstdcxx item.  Update
        --with-stage1-libs, --with-boot-ldflags and --with-boot-libs items
        accordingly.  Mention default for --with-stage1-ldflags.

2015-08-12  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm.h (arm_fpu_feature_set): New.
        (ARM_FPU_FSET_HAS): New.
        (FPU_FL_NONE): New.
        (FPU_FL_NEON): New.
        (FPU_FL_FP16): New.
        (FPU_FL_CRYPTO): New.

2015-08-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (initialize_aarch64_code_model): Break
        after -mcmodel=large -fPIC sorry.

2015-08-12  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Also canonicalize
        comparison operand order and commutative ternary op operand order.
        (sccvn_dom_walker::cond_stack): New state to track temporary
        expressions.
        (sccvn_dom_walker::after_dom_children): Remove tempoary expressions
        no longer valid.
        (sccvn_dom_walker::record_cond): Add a single temporary conditional
        expression.
        (sccvn_dom_walker::record_conds): Add a temporary conditional
        expressions and all related expressions also true/false.
        (sccvn_dom_walker::before_dom_children): Record temporary
        expressions based on the controlling condition of a single
        predecessor.  When trying to simplify a conditional statement
        lookup expressions we might have inserted earlier.

2015-08-12  Yvan Roux  <yvan.roux@linaro.org>

        PR target/67127
        * config/arm/arm.md (movdi): Restrict illegitimate ldrd/strd checking
        to ARM core registers.

2015-08-12  Nathan Sidwell  <nathan@acm.org>

        * tree-vrp.c (simplify_min_or_max_using_ranges): New.
        (simplify_stmt_using_ranges): Simplify MIN and MAX exprs.

2015-08-12  Simon Dardis  <simon.dardis@imgtec.com>

        * config/mips/mips.c (mips_store_data_bypass_p): Bring code into
        line with comments.
        * config/mips/sb1.md: Update usage of mips_store_data_bypass_p.

2015-08-12  Richard Biener  <rguenther@suse.de>

        * gimple.h (remove_pointer): New trait.
        (GIMPLE_CHECK2): New inline template function.
        (gassign::code_): New constant static member.
        (is_a_helper<const gassign *>): Add.
        (gimple_assign_lhs): Use GIMPLE_CHECK2 in the gimple overload
        and forward to a new gassign overload with less checking and a
        cheaper way to access the operand.
        (gimple_assign_lhs_ptr): Likewise.
        (gimple_assign_set_lhs): Likewise.
        (gimple_assign_rhs1, gimple_assign_rhs1_ptr, gimple_assign_set_rhs1):
        Likewise.
        (gimple_assign_rhs2, gimple_assign_rhs2_ptr, gimple_assign_set_rhs2):
        Likewise.
        (gimple_assign_rhs3, gimple_assign_rhs3_ptr, gimple_assign_set_rhs3):
        Likewise.
        (gimple_assign_rhs_code): Likewise.
        * gimple.c (gassign::code_): Define.

2015-08-12  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Eliminate edges marked as not executable by SCCVN.
        * tree-ssa-sccvn.c: Include gimple-iterator.h.
        (cond_dom_walker): Rename to sccvn_dom_walker.
        (sccvn_dom_walker::before_dom_children): Value-number defs
        of all stmts.
        (run_scc_vn): Remove loop value-numbering all SSA names.
        Drop not visited SSA names to varying.

2015-08-11  Trevor Saunders  <tbsaunde@tbsaunde.org>

        * compare-elim.c, dce.c, dse.c, gimple-ssa-isolate-paths.c,
        gimple-ssa-strength-reduction.c, graphite.c, init-regs.c,
        ipa-pure-const.c, ipa-visibility.c, ipa.c, mode-switching.c,
        omp-low.c, reorg.c, sanopt.c, trans-mem.c, tree-eh.c,
        tree-if-conv.c, tree-ssa-copyrename.c, tree-ssa-dce.c,
        tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
        tree-ssa-sink.c, tree-ssanames.c, tree-stdarg.c, tree-tailcall.c,
        tree-vect-generic.c, tree.c, ubsan.c, var-tracking.c,
        vtable-verify.c, web.c: Use GCC_FINAL instead of the anonymous

2015-08-11  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66954
        * config/i386/i386.c (get_builtin_code_for_version): Add P_PCLMUL
        to enum feature_priority and feature_list.
        (fold_builtin_cpu): Add F_PCLMUL to enum processor_features
        and isa_names_table.

2015-08-11  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * tree-vect-stmts.c (vectorizable_shift): Add missed test on
        vect_induction_def.

2015-08-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/66098
        PR c/66711
        * diagnostic.c (diagnostic_classify_diagnostic): Take -Werror into
        account when deciding what was the command-line status.

2015-08-11  Nathan Sidwell  <nathan@acm.org>

        * tree-vrp.c (simplify_abs_using_ranges): Simplify.

        * tree-ssa-phiopt.c (minmax_replacement): Create new ssa name if
        we're not the only contributor to target phi.

2015-08-11  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.h (REG_CLASS_NAMES): Add the missing ',' after
        FIXED_REG0.

2015-08-11  Tom de Vries  <tom@codesourcery.com>

        * tree-cfg.c (move_sese_region_to_fn): Add todo comment.

2015-08-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (processor_alias_table): Replace CPU_KNL
        with CPU_SLM.
        * config/i386/i386.md (cpu): Remove knl.

2015-08-10  Thomas Schwinge  <thomas@codesourcery.com>

        PR libgomp/65742
        PR middle-end/66332
        * builtins.c (expand_builtin_acc_on_device) [ACCEL_COMPILER]: Emit
        open-coded sequence.
        * omp-low.c (oacc_process_reduction_data): Remove handline of
        GOMP_DEVICE_HOST_NONSHM.

        * lto-streamer-in.c (lto_input_mode_table): Adjust to
        GET_MODE_INNER changes.

2015-08-10  Thomas Schwinge  <thomas@codesourcery.com>
            Ilya Verbin  <ilya.verbin@intel.com>

        * lto-streamer-in.c (lto_input_mode_table): Correctly advance iterator.

2015-08-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * doc/options.texi (EnabledBy): Document that the argument must be
        a Common option.
        * doc/invoke.texi (Wnull-dereference): Move after Wnonnull.
        Not enabled by -Wall.
        * optc-gen.awk: Give nicer error messages. Detect if the argument
        of EnabledBy is not a Common option.
        * common.opt (Wnull-dereference): Not enabled by -Wall.
        * opt-functions.awk (lang_enabled_by): Nicer error messages.

2015-08-09  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Treat
        model == 0x4f as Broadwell.

2015-08-08  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/67028
        * combine.c (simplify_comparison): Fix comment.  Rearrange code.
        Add test to see if a const_int fits in the new mode.

2015-08-07  DJ Delorie  <dj@redhat.com>

        * config/rx/rx.c (rx_mode_dependent_address_p): Remove unneeded asserts.

2015-08-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/67029
        * ira-color.c: Include "recog.h" before including "ira-int.h".
        * target-globals.c: Likewise.
        * ira-lives.c (ira_implicitly_set_insn_hard_regs): Add an
        adds an alternative_mask argument and use it instead of
        preferred_alternatives.
        * ira.h (ira_implicitly_set_insn_hard_regs): Moved to ...
        * ira-int.h (ira_implicitly_set_insn_hard_regs): Here.
        * sched-deps.c: Include "ira-int.h" after including "ira.h".
        (sched_analyze_insn): Update call to
        ira_implicitly_set_insn_hard_regs.
        * sel-sched.c: Include "ira-int.h" after including "ira.h".
        (implicit_clobber_conflict_p): Update call to
        ira_implicitly_set_insn_hard_regs.

2015-08-06  Uros Bizjak  <ubizjak@gmail.com>

        * Makefile.in (.INTERMEDIATE): Add gpl.pod.

2015-08-07  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/67002
        * config/sh/sh.c (sh_recog_treg_set_expr): Return false when
        currently_expanding_to_rtl is set.

2015-08-06  Yaakov Selkowitz  <yselkowi@redhat.com>

        * configure.ac: Define LIBICONV_DEP with in-tree libiconv.
        * configure: Regenerate.

2015-08-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
            Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.d (tlsdesc_small_pseudo_<mode>): New pattern.
        * config/aarch64/aarch64.h (reg_class): New enumeration FIXED_REG0.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        * config/aarch64/aarch64.c (aarch64_class_max_nregs): Likewise.
        (aarch64_register_move_cost): Likewise.
        (aarch64_load_symref_appropriately): Invoke the new added pattern if
        possible.
        * config/aarch64/constraints.md (Uc0): New constraint.

2015-08-06  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/constraints.md (Usf): Add the test of
        aarch64_is_noplt_call_p.

2015-08-06  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_is_noplt_call_p): New
        declaration.
        * config/aarch64/aarch64.c (aarch64_is_noplt_call_p): New function.
        * config/aarch64/aarch64.md (call_value_symbol): Check noplt scenarios.
        (call_symbol): Likewise.

2015-08-06  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>

        * tree-vect-patterns.c (vect_recog_mult_pattern): New function
        for vectorizing multiplication patterns.
        * tree-vectorizer.h: Adjust the number of patterns.

2015-08-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*vec_concatv2df): Declare added
        alternatives as sselog type.

2015-08-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_dwarf_frame_reg_mode): Return Pmode for
        all GPRs.

2015-08-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_tbegin): Expand either
        tbegin_1_z13 or tbegin_1 depending on VX flag.
        * config/s390/s390.md ("tbegin_1_z13"): New expander.

2015-08-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.opt: Clarify description for -mzvector
        * doc/invoke.texi: Add documentation for -mhtm, -mvx, and
        -mzvector.

2015-08-06  Richard Biener  <rguenther@suse.de>

        * gimple.h (gimple_call_set_fn): Access op member directly.
        (gimple_call_chain_ptr): Likewise.
        (gimple_call_set_chain): Likewise.
        (gimple_cond_lhs_ptr): Likewise.
        (gimple_cond_set_lhs): Likewise.
        (gimple_cond_rhs_ptr): Likewise.
        (gimple_cond_set_rhs): Likewise.
        (gimple_cond_true_label): Likewise.
        (gimple_cond_set_true_label): Likewise.
        (gimple_cond_set_false_label): Likewise.
        (gimple_cond_false_label): Likewise.
        (gimple_label_label): Likewise.
        (gimple_label_set_label): Likewise.
        (gimple_goto_set_dest): Likewise.
        (gimple_asm_input_op): Likewise.
        (gimple_asm_input_op_ptr): Likewise.
        (gimple_asm_set_input_op): Likewise.
        (gimple_asm_output_op): Likewise.
        (gimple_asm_output_op_ptr): Likewise.
        (gimple_asm_set_output_op): Likewise.
        (gimple_asm_clobber_op): Likewise.
        (gimple_asm_set_clobber_op): Likewise.
        (gimple_asm_label_op): Likewise.
        (gimple_asm_set_label_op): Likewise.
        (gimple_switch_index): Likewise.
        (gimple_switch_index_ptr): Likewise.
        (gimple_return_retval_ptr): Likewise.
        (gimple_return_retval): Likewise.
        (gimple_return_set_retval): Likewise.
        (gimple_switch_set_index): Likewise.  Remove superfluous GIMPLE_CHECK.
        (gimple_switch_label): Likewise.
        (gimple_switch_set_label): Likewise.

2015-08-06  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (gimple_fold_stmt_to_constant_1): Simplify
        bool comparison canonicalization and restrict to integers.

2015-08-05  Andrew MacLeod  <amacleod@redhat.com>

        * coretypes.h (enum symbol_visibility): Relocate here.
        * flag-types.h (enum symbol_visibility): Remove.
        * tree-core.h (enum symbol_visibility): Remove.

2015-08-05  Lynn Boger  <laboger@linux.vnet.ibm.com>

        PR target/66870
        * config/rs6000/rs6000.c (rs6000_emit_prologue): Check
        for no_split_stack function attribute along with
        flag_split_stack.
        (rs6000_expand_split_stack_prologue): Likewise.

2015-08-05  Manuel López-Ibáñez  <manu@gcc.gnu.org>
            Jeff Law  <law@redhat.com>

        PR c/16351
        * doc/invoke.texi (Wnull-dereference): New.
        * tree-vrp.c (infer_value_range): Update call to infer_nonnull_range.
        * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behaviour):
        Warn for potential NULL dereferences.
        (find_explicit_erroneous_behaviour): Warn for NULL dereferences.
        * ubsan.c (instrument_nonnull_arg): Call
        infer_nonnull_range_by_attribute.
        (instrument_nonnull_return): Likewise.
        * common.opt (Wnull-dereference); New.
        * gimple.c (infer_nonnull_range): Remove bool arguments.
        (infer_nonnull_range_by_dereference): New.
        (infer_nonnull_range_by_attribute): New.
        * gimple.h: Update declarations.

2015-08-05  Richard Sandiford  <richard.sandiford@arm.com>

        * gensupport.c (sequence_num): Replace with...
        (insn_sequence_num, split_sequence_num, peephole2_sequence_num):
        ...these new variables.
        (init_rtx_reader_args_cb): Update accordingly.
        (get_num_code_insns): Likewise.
        (read_md_rtx): Rework to use a while loop and get_c_test.
        Use the new counters.  Remove redundant DEFINE_SUBST case.
        * genoutput.c (gen_split): Delete.
        (main): Don't call it.

2015-08-05  Richard Sandiford  <richard.sandiford@arm.com>

        * gensupport.h (get_c_test): Declare.
        * gensupport.c (get_c_test): New function.
        * genconditions.c (main): Use it.
        * genrecog.c (validate_pattern): Likewise.
        (match_pattern_1): Likewise.  Remove c_test argument.
        (match_pattern): Update accordingly and remove c_test argument.
        (main): Update accordingly.

2015-08-05  Richard Sandiford  <richard.sandiford@arm.com>

        * gensupport.h (get_num_insn_codes): Declare.
        * gensupport.c (get_num_insn_codes): New function.
        * genattrtab.c (optimize_attrs): Rename max_insn_code to
        num_insn_codes.
        (main): Likewise.  Use get_num_insn_codes.
        * gencodes.c (main): Remove "last" and use get_num_insn_codes.

2015-08-05  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/66311
        * wide-int.cc (wi::from_mpz): Make sure that absolute mpz value
        is zero- rather than sign-extended.

2015-08-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (can_extend): Delete.

2015-08-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67121
        * tree-if-conv.c (combine_blocks): Clear range-info produced
        by stmts no longer executed conditionally.

2015-08-05  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_force_nonfar_3): Remove optimization
        to allow identical far pointers to remain.

2015-08-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/67120
        * match.pd: Compare address bases with == if they are decls
        or SSA names, not operand_equal_p.  Otherwise fail.

2015-08-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67055
        * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Handle
        NULL gimple_block.

        * g++.dg/torture/pr67055.C: New testcase.

2015-08-05  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.md (define_attr "isa"): Addd avx512vl and
        noavx512vl.
        (define_attr "enabled"): Handle avx521vl and noavx512vl.
        * config/i386/sse.md (define_insn "vec_dupv2df<mask_name>"): Split
        AVX-512 alternative out of SSE.
        (define_insn "*vec_concatv2df"): Ditto.

2015-08-05  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.c (bdesc_args): Rename CODE_FOR_sse4_1_ptest into
        CODE_FOR_sse4_1_ptestv2di and CODE_FOR_avx_vtestps256 into
        CODE_FOR_avx_ptestv4di.
        * config/i386/sse.md (define_mode_iterator V_AVX): New.
        (define_mode_attr sse4_1): Extend to other 128/256-bit modes.
        (define_insn "avx_ptest256"): Merge this ...
        (define_insn "sse4_1_ptest"): And this ...
        (define_insn "<sse4_1>_ptest<mode>"): Into this. Use V_AVX iterator.

2015-08-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67109
        * tree-vect-data-refs.c (vect_analyze_group_access_1): Check
        against too big groups.  Print whether this is a load or store
        group.  Rename from ...
        (vect_analyze_group_access): ... this which is now a wrapper
        dissolving an invalid group.
        (vect_analyze_data_ref_accesses): Print whether this is a load
        or store group.

2015-08-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/67107
        * match.pd: Guard const_binop result checking against NULL_TREE
        result.

2015-08-05  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * cse.c (cse_insn): Restoring old behaviour for src_eqv
         when dest and value in the REG_EQUAL are same and dest
         is STRICT_LOW_PART.

2015-08-04  Anatoly Sokolov  <aesok@post.ru>

        * config/moxie/moxie.h (PRINT_OPERAND,
          PRINT_OPERAND_ADDRESS): Remove macros.
        * config/moxie/moxie-protos.h (moxie_print_operand,
          moxie_print_operand_address): Remove declaration.
        * config/moxie/moxie.c (TARGET_PRINT_OPERAND,
          TARGET_PRINT_OPERAND_ADDRESS): Define.
          (moxie_print_operand, moxie_print_operand_address): Make static.

2015-08-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/66731
        * config/aarch64/aarch64.c (aarch64_rtx_costs): Fix NEG cost for FNMUL.
        (aarch64_rtx_mult_cost): Fix MULT cost with -frounding-math.

2015-08-04  Richard Biener  <rguenther@suse.de>

        * genmatch.c (dt_node::gen_kids_1): Use gassign and gcall in
        generated code.
        (dt_operand::gen_gimple_expr): Adjust.

2015-08-04  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (gimple_fold_stmt_to_constant_1): Canonicalize
        bool compares on RHS.
        * match.pd: Add X ==/!= !X is false/true pattern.

2015-08-04  Pawel Kupidura  <pawel.kupidura@arm.com>

        * config/aarch64/aarch64.c: Change inner loop statement cost
        to be consistent with other targets.

2015-08-04  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/neon.md (neon_vget_lanev2di): Handle big-endian
        targets.

2015-08-04  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.h (struct nvptx_pseudo_info): Delete.
        (machine_function): Remove pseudos field.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_option_valid_attribute_p):
        Exit early and use target_option_current_node if processing current
        pragma.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * doc/extend.texi (AArch64 Function Attributes): New node.
        (AArch64 Pragmas): Likewise.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_option_valid_attribute_p):
        Initialize simd builtins if TARGET_SIMD.
        * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
        Make sure that the builtins are initialized only once no matter how
        many times the function is called.
        (aarch64_init_builtins): Unconditionally initialize crc builtins.
        (aarch64_relayout_simd_param): New function.
        (aarch64_simd_expand_args): Use above during argument expansion.
        * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse): Initialize
        simd builtins if TARGET_SIMD.
        * config/aarch64/aarch64-protos.h (aarch64_init_simd_builtins): New
        prototype.
        (aarch64_relayout_simd_types): Likewise.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config.gcc (aarch64*-*-*): Specify c_target_objs and cxx_target_objs.
        * config/aarch64/aarch64.h (REGISTER_TARGET_PRAGMAS): Define.
        (TARGET_CPU_CPP_BUILTINS): Redefine to call aarch64_cpu_cpp_builtins.
        * config/aarch64/aarch64.c (aarch64_override_options_internal): Remove
        static keyword.
        (aarch64_reset_previous_fndecl): New function.
        (aarch64_handle_attr_isa_flags): Handle "+nothing" in the beginning of
        the string.
        * config/aarch64/aarch64-c.c: New file.
        * config/aarch64/arm_acle.h: Add pragma +crc+nofp at the top.
        Push and pop options at beginning and end.  Remove ifdef
        __ARM_FEATURE_CRC32.
        * config/aarch64/arm_neon.h: Remove #ifdef check on __ARM_NEON.
        Add pragma +nothing+simd and +nothing+crypto where appropriate.
        * config/aarch64/t-aarch64 (aarch64-c.o): New rule.
        * config/aarch64/aarch64-protos.h (aarch64_cpu_cpp_builtins):
        Define prototype.
        (aarch64_register_pragmas): Likewise.
        (aarch64_reset_previous_fndecl): Likewise.
        (aarch64_process_target_attr): Likewise.
        (aarch64_override_options_internal): Likewise.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_tribools_ok_for_inlining_p):
        New function.
        (aarch64_can_inline_p): Likewise.
        (TARGET_CAN_INLINE_P): Define.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
        Remove static.  Handle OPT_mgeneral_regs_only,
        OPT_mfix_cortex_a53_835769, OPT_mstrict_align,
        OPT_momit_leaf_frame_pointer.
        * config/aarch64/aarch64.c: Include opts.h and diagnostic.h
        (aarch64_attr_opt_type): New enum.
        (aarch64_attribute_info): New struct.
        (aarch64_handle_attr_arch): New function.
        (aarch64_handle_attr_cpu): Likewise.
        (aarch64_handle_attr_tune): Likewise.
        (aarch64_handle_attr_isa_flags): Likewise.
        (aarch64_attributes): New table.
        (aarch64_process_one_target_attr): New function.
        (num_occurences_in_str): Likewise.
        (aarch64_process_target_attr): Likewise.
        (aarch64_option_valid_attribute_p): Likewise.
        (TARGET_OPTION_VALID_ATTRIBUTE_P): Define.
        * config/aarch64/aarch64-protos.h: Include input.h
        (aarch64_handle_option): Declare prototype.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.h (SWITCHABLE_TARGET): Define.
        * config/aarch64/aarch64.c: Include target-globals.h
        (aarch64_previous_fndecl): New variable.
        (aarch64_set_current_function): New function.
        (TARGET_SET_CURRENT_FUNCTION): Define.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.opt (explicit_tune_core): New TargetVariable.
        (explicit_arch): Likewise.
        (x_aarch64_isa_flags): Likewise.
        (mgeneral-regs-only): Mark as Save.
        (mfix-cortex-a53-835769): Likewise.
        (mcmodel=): Likewise.
        (mstrict-align): Likewise.
        (momit-leaf-frame-pointer): Likewise.
        (mtls-dialect): Likewise.
        (master=): Likewise.
        * config/aarch64/aarch64.h (ASM_DECLARE_FUNCTION_NAME): Define.
        (aarch64_isa_flags): Remove extern declaration.
        * config/aarch64/aarch64.c (aarch64_validate_mcpu): Return a bool
        to indicate success or failure.
        (aarch64_validate_march): Likewise.
        (aarch64_validate_mtune): Likewise.
        (aarch64_isa_flags): Delete.
        (aarch64_override_options_internal): Access opts->x_aarch64_isa_flags
        instead of aarch64_isa_flags.
        (aarch64_get_tune_cpu): New function.
        (aarch64_get_arch): Likewise.
        (aarch64_override_options): Use above and set up explicit_tune_core
        and explicit_arch.
        (aarch64_print_extension): Move earlier in file.  Add isa_flags
        argument and use that instead of the global aarch64_isa_flags.
        (aarch64_option_save): New function.
        (aarch64_option_restore): Likewise.
        (aarch64_option_print): Likewise.
        (aarch64_declare_function_name): Likewise.
        (aarch64_start_file): Delete.
        (TARGET_ASM_FILE_START): Do not define.
        (TARGET_OPTION_RESTORE, TARGET_OPTION_PRINT): Define.
        * config/aarch64/aarch64-protos.h (aarch64_declare_function_name):
        Declare prototype.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.opt (momit-leaf-frame-pointer): Initialize
        flag_omit_leaf_frame_pointer to 2.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_835769_DEFAULT): Always
        define to 0 or 1.
        (TARGET_FIX_ERR_A53_835769): New macro.
        * config/aarch64/aarch64.c (aarch64_override_options_internal): Remove
        handling of opts->x_aarch64_fix_a53_err835769.
        (aarch64_madd_needs_nop): Check for TARGET_FIX_ERR_A53_835769 rather
        than aarch64_fix_a53_err835769.
        * config/aarch64/aarch64-elf-raw.h: Update for above changes.
        * config/aarch64/aarch64-linux.h: Likewise.

2015-08-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_expand_int_movcc): Check result of
        ix86_expand_int_movcc as boolean.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.opt (aarch64_arch_string): Delete.
        (aarch64_cpu_string): Likewise.
        (aarch64_tune_string): Likewise.
        * config/aarch64/aarch64.c (aarch64_parse_opt_result): New enum.
        (aarch64_parse_extension): Return aarch64_parse_opt_result.
        Add extra argument to put result into.
        (aarch64_parse_arch): Likewise.  Do not set selected_cpu.
        (aarch64_parse_cpu): Add arguments to put results into. Return
        aarch64_parse_opt_result.
        (aarch64_parse_tune): Likewise.
        (aarch64_override_options_after_change_1): New function.
        (aarch64_override_options_internal): New function.
        (aarch64_validate_mcpu): Likewise.
        (aarch64_validate_march): Likewise.
        (aarch64_validate_mtune): Likewise.
        (aarch64_override_options): Update to reflect above changes.
        Move some logic into aarch64_override_options_internal.
        Initialize target_option_default_node and target_option_current_node.
        (aarch64_override_options_after_change): Move logic into
        aarch64_override_options_after_change_1 and call it with global_options.
        (initialize_aarch64_code_model): Take a gcc_options pointer and use the
        flag values from that.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.h (TARGET_CPU_CPP_BUILTINS): Define
        __ARM_ARCH_8A directly rather than with cpp_define_formatted.
        * config/aarch64/aarch64.c (struct processor): Add arch field.
        (all_architectures): Handle above, move above all_cores.
        (all_cores): Handle above.
        (aarch64_parse_arch): Handle above changes.
        * config/aarch64/aarch64-arches.def (armv8-a): Extend according to
        above.  Update comments.
        (armv8.1-a): Likewise.
        * config/aarch64/aarch64-cores.def: Update according to above.
        * config/aarch64/aarch64-opts.h (aarch64_arch): New enum.
        * config/aarch64/driver-aarch64.c (struct aarch64_arch): Rename to
        aarch64_arch_driver_info.

2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (struct processor): Add ident field.
        Rename core sched_core.
        (all_cores): Handle above changes.
        (all_architectures): Likewise.
        (aarch64_parse_arch): Likewise.
        (aarch64_override_options): Likewise.

2015-08-04  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (gimple_fold_stmt_to_constant_1): Remove
        dispatching to fold_binary for GIMPLE_BINARY_RHS and for
        comparisons embedded in [VEC_]COND_EXPRs.

2015-08-03  Abe Skolnik  <a.skolnik@samsung.com>

        * tree-if-conv.c: Fix various typos in comments.
        * tree-vect-stmts.c: Likewise.

2015-08-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/67043
        * loop-invariant.c (move_invariant_reg): Recompute luids in loop
        preheader after hoisting invariant in it.
        (find_defs): Force recomputation of all luids.

2015-08-03  Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/htm.md (tabort.): Restrict the source operand to
        using a base register.

2015-08-03  David Malcolm  <dmalcolm@redhat.com>

        * main.c (main): Pass in NULL for toplev's external_timer.
        * timevar.c: Include coretypes.h.
        (class timer::named_items): New.
        (timer::named_items::named_items): New.
        (timer::named_items::~named_items): New.
        (timer::named_items::push): New.
        (timer::named_items::pop): New.
        (timer::named_items::print): New.
        (timer::timer): Initialize field "m_jit_client_items".
        (timer::~timer): New.
        (timer::push): Move bulk of implementation to...
        (timer::push_internal): ...here.  New function.
        (timer::pop): Move bulk of implementation to...
        (timer::pop_internal): ...here.  New function.
        (timer::push_client_item): New.
        (timer::pop_client_item): New.
        (timer::print_row): New function, taken from timer::print.
        (timer::print): Print "GCC items" header if we also have client
        items.  Move row-printing to timer::print_row.  Print any client
        items.
        (timer::get_topmost_item_name): New method.
        * timevar.def (TV_JIT_ACQUIRING_MUTEX): New.
        (TV_JIT_CLIENT_CODE): New.
        * timevar.h (timer::push_client_item): New declaration.
        (timer::pop_client_item): New declaration.
        (timer::get_topmost_item_name): New method.
        (timer::push_internal): New declaration.
        (timer::pop_internal): New declaration.
        (timer::print_row): New declaration.
        (timer::named_items): New declaration.
        (timer::m_jit_client_items): New field.
        (timer): Add friend class named_items.
        (auto_timevar::auto_timevar): Add timer param.
        (auto_timevar::~auto_timevar): Use field "m_timer".
        (auto_timevar::m_timer): New field.
        * toplev.c (initialize_rtl): Add g_timer as param when
        constructing auto_timevar instance.
        (toplev::toplev): Add "external_timer" param, and use it to
        initialize the "g_timer" global if non-NULL.
        (toplev::~toplev): If this created "g_timer", delete it.
        * toplev.h (toplev::toplev): Replace "use_TV_TOTAL" bool param
        with "external_timer" timer *.

2015-08-03  Alexander Basov <coohpt@gmail.com>

        PR middle-end/64744
        PR middle-end/48470
        PR middle-end/43404
        * cfgexpand.c (expand_one_var): Add check if stack is going to
        be used in naked function.
        * expr.c (expand_expr_addr_expr_1): Remove excess checking
        whether expression should not reside in MEM.
        * function.c (use_register_for_decl): Do not use registers for
        non-register things (volatile, float, BLKMode) in naked functions.

2015-08-03  John David Anglin  <danglin@gcc.gnu.org>

        PR target/67060
        * config/pa/pa.md (call_reg_64bit): Remove reg:DI 1 clobber.
        Adjust splits to match new pattern.

2015-08-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/vector.md (VEC_L): Add KFmode and TFmode.
        (VEC_M): Likewise.
        (VEC_N): Likewise.
        (mov<mode>, VEC_M iterator): Add support for IEEE 128-bit floating
        point in VSX registers.

        * config/rs6000/constraints.md (wb constraint): Document unused
        w<x> constraint.
        (we constraint): Likewise.
        (wo constraint): Likewise.
        (wp constraint): New constraint for IEEE 128-bit floating point in
        VSX registers.
        (wq constraint): Likewise.

        * config/rs6000/predicates.md (easy_fp_constant): Add support for
        IEEE 128-bit floating point in VSX registers.
        (easy_scalar_constant): Likewise.

        * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add new
        constraints (wp, wq) for IEEE 128-bit floating point in VSX
        registers.
        (rs6000_init_hard_regno_mode_ok): Likewise.

        * config/rs6000/vsx.md (VSX_LE_128): Add support for IEEE 128-bit
        floating point in VSX registers.
        (VSX_L): Likewise.
        (VSX_M): Likewise.
        (VSX_M2): Likewise.
        (VSm): Likewise.
        (VSs): Likewise.
        (VSr): Likewise.
        (VSa): Likewise.
        (VSv): Likewise.
        (vsx_le_permute_<mode>): Add support to properly swap bytes for
        IEEE 128-bit floating point in VSX registers on little endian.
        (vsx_le_undo_permute_<mode>): Likewise.
        (vsx_le_perm_load_<mode>): Likewise.
        (vsx_le_perm_store_<mode>): Likewise.
        (splitters for IEEE 128-bit fp moves): Likewise.

        * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Add wp and
        wq constraints.

        * config/rs6000/altivec.md (VM): Add support for IEEE 128-bit
        floating point in VSX registers.
        (VM2): Likewise.

        * doc/md.text (Machine Constraints): Document wp and wq
        constraints on PowerPC.

2015-08-03  Jeff Law  <law@redhat.com>

        PR middle-end/66314
        PR gcov-profile/66899
        * tree-ssa-threadupdate.c (mark_threaded_blocks): Correctly
        iterate over the jump threading paths when an element in the
        jump threading paths array is eliminated.

2015-08-03  Segher Boessenkool  <segher@kernel.crashing.org>

        * Makefile.in (OBJS): Put gimple-match.o and generic-match.o first.

2015-08-03  Patrick Palka  <ppalka@gcc.gnu.org>

        * tree-ssa-uninit.c (find_uninit_use): Declare and pass to
        is_use_properly_guarded the variable def_preds.  Free its
        contents before returning.
        (prune_uninit_phi_opnds_in_unrealizable_paths): Same.
        (is_use_properly_guarded): Replace local variable def_preds with
        a parameter.  Adjust accordingly.  Only update *def_preds if it's
        the empty vector.

2015-08-03  Richard Biener  <rguenther@suse.de>

        * genmatch.c (simplify::for_subst_vec): New member.
        (binary_ok): New helper for for lowering.
        (lower_for): Delay substituting operators into result expressions
        if we can merge the results eventually again.
        (capture_info::walk_result): Adjust for user_id appearing as
        result expression operator.
        (expr::gen_transform): Likewise.
        (dt_simplify::gen_1): Likewise.
        (dt_simplify::gen): Pass not substituted operators to tail
        functions or initialize local variable with it.
        (decision_tree::gen): Adjust function signature.
        * match.pd: Fix tests against global code and add default
        cases to switch stmts.

2015-08-03  Richard Biener  <rguenther@suse.de>

        * genmatch.c (dt_simplify::gen): Create captures array
        with an initializer.

2015-08-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * configure.ac: Set aliasing_flags to -fno-strict-aliasing if
        the host compiler is affected by placement new aliasing bug.
        * configure: Regenerate.
        * Makefile.in (ALIASING_FLAGS): New variable.
        (ALL_CXXFLAGS): Add $(ALIASING_FLAGS).

2015-08-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/66731
        * config/arm/vfp.md (negmuldf3_vfp): Add new pattern.
        (negmulsf3_vfp): Likewise.
        (muldf3negdf_vfp): Disable for -frounding-math.
        (mulsf3negsf_vfp): Likewise.
        * config/arm/arm.c (arm_new_rtx_costs): Fix NEG cost for VNMUL,
        fix MULT cost with -frounding-math.

2015-08-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * ifcvt.c (noce_try_store_flag_constants): Make logic of the case
        when diff == STORE_FLAG_VALUE or diff == -STORE_FLAG_VALUE more
        explicit.  Prefer to add the flag whenever possible.
        (noce_process_if_block): Try noce_try_store_flag_constants before
        noce_try_cmove.

2015-08-03  Richard Biener  <rguenther@suse.de>

        * genmatch.c (struct sinfo, struct sinfo_hashmap_traits, sinfo_map_t):
        New hash-map to record equivalent transforms.
        (dt_node::analyze): Populate the equivalent transforms hash-map.
        (dt_simplify::info): Add reference to hash-map entry.
        (dt_simplify::gen): If we have split out a function for the
        transform, generate a call to it.
        (sinfo_hashmap_traits::hash): New function.
        (compare_op): New helper function for ...
        (sinfo_hashmap_traits::equal_keys): ... this new function.
        (decision_tree::gen): Split out common equivalent transforms
        into functions.

2015-08-03  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (fold_gimple_assign): Remove folding of
        the comparison in COND_EXPRs.

2015-08-03  Richard Biener  <rguenther@suse.de>

        * gimple-match-head.c (gimple_simplify): For [VEC_]COND_EXPRs
        on the rhs of assignments first simplify the embedded
        GENERIC condition.

2015-08-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66917
        * tree-vectorizer.h (struct dataref_aux): Add base_element_aligned
        field.
        (DR_VECT_AUX): New macro.
        (set_dr_misalignment): Adjust.
        (dr_misalignment): Likewise.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment):
        Compute whether the base is at least element aligned.
        * tree-vect-stmts.c (ensure_base_align): Adjust.
        (vectorizable_store): If the base is not element aligned
        preserve alignment of the original access if misalignment is unknown.
        (vectorizable_load): Likewise.

2015-08-02  Martin Sebor  <msebor@redhat.com>

        * doc/invoke.texi (Wframe-address): Document it.
        * doc/extend.texi (__builtin_frame_address, __builtin_return_address):
        Clarify possible effects of calling the functions with non-zero
        arguments and mention -Wframe-address.
        * builtins.c (expand_builtin_frame_address): Handle -Wframe-address.

2015-08-01  Michael Collison  <michael.collison@linaro.org
            Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        * config/arm/arm.md (*arm_smin_cmp): New pattern.
        (*arm_umin_cmp): Likewise.

2015-08-01  Caroline Tice  <cmtice@google.com>

        PR 66521
        * vtable-verify.c (vtbl_mangled_name_types, vtbl_mangled_name_ids): New
        global variables.
        (vtbl_find_mangled_name):  New function.
        (vtbl_register_mangled_name):  New function.
        (vtbl_map_get_node):  If DECL_ASSEMBLER_NAME is "<anon>", look up
        mangled name in mangled name vectors.
        (find_or_create_vtbl_map_node):  Ditto.
        (var_is_used_for_virtual_call_p):  Add recursion_depth parameter;
        update recursion_depth on function entry; pass it to every recursive
        call; automatically exit if depth > 25 (give up looking at that point).
        (verify_bb_vtables):  Initialize recursion_depth and pass it to
        var_is_used_for_virtual_call_p.
        * vtable-verify.h (vtbl_mangbled_name_types, vtbl_mangled_name_ids): New
        global variable decls.
        (vtbl_register_mangled_name): New extern function decl.

2015-08-01  Tom de Vries  <tom@codesourcery.com>

        * tree.c (operation_can_overflow, operation_no_trapping_overflow): New
        function.
        * tree.h (operation_can_overflow, operation_no_trapping_overflow):
        Declare.
        * tree-vect-loop.c (vect_is_simple_reduction_1): Use
        operation_no_trapping_overflow.  Allow non-overflow operations.
        * graphite-sese-to-poly.c (is_reduction_operation_p): Allow non-overflow
        operations.

2015-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/67049
        * config/sh/sh.md (GOTaddr2picreg): Fix typo.

2015-07-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.md (*if_neg_move): Convert to insn_and_split.
        Enable for TARGET_32BIT.
        (*if_move_neg): Likewise.

2015-07-31  Nick Clifton  <nickc@redhat.com>

        * config/m32r/m32r.c (m32r_attribute_identifier): New function.
        Returns true for __model__.
        (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.

2015-07-31  Alan Modra  <amodra@gmail.com>

        PR target/66870
        * config/rs6000/rs6000.c (machine_function): Add split_stack_argp_used.
        (rs6000_emit_prologue): Set it.
        (rs6000_set_up_by_prologue): Specify r12 when split_stack_argp_used.

2015-07-31  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Remove X ^ C1 == C2
        -> X == (C1 ^ C2) which is already implemented in match.pd.
        Remove redundant dispatching to fold_relational_const.
        Move unordered self and NaN compares ...
        * match.pd: ... as patterns here.  Remove some stray captures
        and add a comment.

2015-07-31  Petr Murzin  <petr.murzin@intel.com>

        * config/i386/i386.c
        (bdesc_special_args): Convert mask type from signed to unsigned for
        masked builtins.
        (ix86_expand_args_builtin): Do not handle UINT_FTYPE_V2DF,
        UINT64_FTYPE_V2DF, UINT64_FTYPE_V4SF, V16QI_FTYPE_V8DI,
        V16HI_FTYPE_V16SI, V16SI_FTYPE_V16SI, V16SF_FTYPE_FLOAT,
        V8HI_FTYPE_V8DI, V8UHI_FTYPE_V8UHI, V8SI_FTYPE_V8DI, V8SF_FTYPE_V8DF,
        V8DI_FTYPE_INT64, V8DI_FTYPE_V4DI, V8DI_FTYPE_V8DI, V8DF_FTYPE_DOUBLE,
        V8DF_FTYPE_V8SI, V16SI_FTYPE_V16SI_V16SI, V16SF_FTYPE_V16SF_V16SI,
        V8DI_FTYPE_V8DI_V8DI, V8DF_FTYPE_V8DF_V8DI, V4SI_FTYPE_V4SF_V4SF,
        V4SF_FTYPE_V4SF_UINT64, V2UDI_FTYPE_V4USI_V4USI, V2DI_FTYPE_V2DF_V2DF,
        V2DF_FTYPE_V2DF_UINT64, V4UDI_FTYPE_V8USI_V8USI, QI_FTYPE_V8DI_V8DI,
        HI_FTYPE_V16SI_V16SI, HI_FTYPE_HI_INT, V16SF_FTYPE_V16SF_V16SF_V16SF,
        V16SF_FTYPE_V16SF_V16SI_V16SF, V16SF_FTYPE_V16SI_V16SF_HI,
        V16SF_FTYPE_V16SI_V16SF_V16SF, V16SI_FTYPE_V16SF_V16SI_HI,
        V8DI_FTYPE_V8SF_V8DI_QI, V8SF_FTYPE_V8DI_V8SF_QI, V8DI_FTYPE_PV4DI,
        V8DF_FTYPE_V8DI_V8DF_QI, V16SI_FTYPE_V16SI_V16SI_V16SI,
        V2DI_FTYPE_V2DI_V2DI_V2DI, V8DI_FTYPE_V8DF_V8DI_QI, V8DF_FTYPE_PV4DF,
        V8SI_FTYPE_V8SI_V8SI_V8SI, V8DF_FTYPE_V8DF_V8DF_V8DF, UINT_FTYPE_V4SF,
        V8DF_FTYPE_V8DF_V8DI_V8DF, V8DF_FTYPE_V8DI_V8DF_V8DF,
        V8DF_FTYPE_V8SF_V8DF_QI, V8DI_FTYPE_V8DI_V8DI_V8DI, V16SF_FTYPE_PV4SF,
        V8SF_FTYPE_V8DF_V8SF_QI, V8SI_FTYPE_V8DF_V8SI_QI, V16SI_FTYPE_PV4SI,
        V2DF_FTYPE_V2DF_V4SF_V2DF_QI, V4SF_FTYPE_V4SF_V2DF_V4SF_QI,
        V8DI_FTYPE_V8DI_SI_V8DI_V8DI, QI_FTYPE_V8DF_V8DF_INT_QI,
        HI_FTYPE_V16SF_V16SF_INT_HI, V16SF_FTYPE_V16SF_V16SF_V16SI_INT_HI,
        VOID_FTYPE_PDOUBLE_V2DF_QI, VOID_FTYPE_PFLOAT_V4SF_QI,
        V2DF_FTYPE_PCDOUBLE_V2DF_QI, V4SF_FTYPE_PCFLOAT_V4SF_QI.
        * config/i386/i386-builtin-types.def
        (V16QI_FTYPE_V16SI): Remove.
        (V8DF_FTYPE_V8SI): Ditto.
        (V8HI_FTYPE_V8DI): Ditto.
        (V8SI_FTYPE_V8DI): Ditto.
        (V8SF_FTYPE_V8DF): Ditto.
        (V8SF_FTYPE_V8DF_V8SF_QI): Ditto.
        (V16HI_FTYPE_V16SI): Ditto.
        (V16SF_FTYPE_V16HI): Ditto.
        (V16SF_FTYPE_V16HI_V16SF_HI): Ditto.
        (V16SF_FTYPE_V16SI): Ditto.
        (V4DI_FTYPE_V4DI): Ditto.
        (V16SI_FTYPE_V16SF): Ditto.
        (V16SF_FTYPE_FLOAT): Ditto.
        (V8DF_FTYPE_DOUBLE): Ditto.
        (V8DI_FTYPE_INT64): Ditto.
        (V8DI_FTYPE_V4DI): Ditto.
        (V16QI_FTYPE_V8DI): Ditto.
        (UINT_FTYPE_V4SF): Ditto.
        (UINT64_FTYPE_V4SF): Ditto.
        (UINT_FTYPE_V2DF): Ditto.
        (UINT64_FTYPE_V2DF): Ditto.
        (V16SI_FTYPE_V16SI): Ditto.
        (V8DI_FTYPE_V8DI): Ditto.
        (V16SI_FTYPE_PV4SI): Ditto.
        (V16SF_FTYPE_PV4SF): Ditto.
        (V8DI_FTYPE_PV2DI): Ditto.
        (V8DF_FTYPE_PV2DF): Ditto.
        (V4DI_FTYPE_PV2DI): Ditto.
        (V4DF_FTYPE_PV2DF): Ditto.
        (V16SI_FTYPE_PV2SI): Ditto.
        (V16SF_FTYPE_PV2SF): Ditto.
        (V8DI_FTYPE_PV4DI): Ditto.
        (V8DF_FTYPE_PV4DF): Ditto.
        (V8SF_FTYPE_FLOAT): Ditto.
        (V4SF_FTYPE_FLOAT): Ditto.
        (V4DF_FTYPE_DOUBLE): Ditto.
        (V8SF_FTYPE_PV4SF): Ditto.
        (V8SI_FTYPE_PV4SI): Ditto.
        (V4SI_FTYPE_PV2SI): Ditto.
        (V8SF_FTYPE_PV2SF): Ditto.
        (V8SI_FTYPE_PV2SI): Ditto.
        (V16SF_FTYPE_PV8SF): Ditto.
        (V16SI_FTYPE_PV8SI): Ditto.
        (V8DI_FTYPE_V8SF): Ditto.
        (V4DI_FTYPE_V4SF): Ditto.
        (V2DI_FTYPE_V4SF): Ditto.
        (V64QI_FTYPE_QI): Ditto.
        (V32HI_FTYPE_HI): Ditto.
        (V8UHI_FTYPE_V8UHI): Ditto.
        (V16UHI_FTYPE_V16UHI): Ditto.
        (V32UHI_FTYPE_V32UHI): Ditto.
        (V2UDI_FTYPE_V2UDI): Ditto.
        (V4UDI_FTYPE_V4UDI): Ditto.
        (V8UDI_FTYPE_V8UDI): Ditto.
        (V4USI_FTYPE_V4USI): Ditto.
        (V8USI_FTYPE_V8USI): Ditto.
        (V16USI_FTYPE_V16USI): Ditto.
        (V2DF_FTYPE_V2DF_UINT64): Ditto.
        (V2DI_FTYPE_V2DF_V2DF): Ditto.
        (V2UDI_FTYPE_V4USI_V4USI): Ditto.
        (V8DF_FTYPE_V8DF_V8DI): Ditto.
        (V4SF_FTYPE_V4SF_UINT64): Ditto.
        (V4SI_FTYPE_V4SF_V4SF): Ditto.
        (V16SF_FTYPE_V16SF_V16SI): Ditto.
        (V64QI_FTYPE_V32HI_V32HI): Ditto.
        (V32HI_FTYPE_V16SI_V16SI): Ditto.
        (V8DF_FTYPE_V8DF_V8DF_V8DI_INT_QI): Ditto.
        (V16SF_FTYPE_V16SF_V16SF_V16SI_INT_HI): Ditto.
        (V32HI_FTYPE_V64QI_V64QI): Ditto.
        (V32HI_FTYPE_V32HI_V32HI): Ditto.
        (V16HI_FTYPE_V16HI_V16HI_INT_V16HI_HI): Ditto.
        (V16SI_FTYPE_V16SI_V4SI): Ditto.
        (V16SI_FTYPE_V16SI_V16SI): Ditto.
        (V16SI_FTYPE_V32HI_V32HI): Ditto.
        (V16SI_FTYPE_V16SI_SI): Ditto.
        (V8DI_FTYPE_V8DI_V8DI): Ditto.
        (V4UDI_FTYPE_V8USI_V8USI): Ditto.
        (V8DI_FTYPE_V16SI_V16SI): Ditto.
        (V8DI_FTYPE_V8DI_V2DI): Ditto.
        (QI_FTYPE_QI): Ditto.
        (SI_FTYPE_SI): Ditto.
        (DI_FTYPE_DI): Ditto.
        (QI_FTYPE_QI_QI): Ditto.
        (QI_FTYPE_QI_INT): Ditto.
        (HI_FTYPE_HI_INT): Ditto.
        (SI_FTYPE_SI_INT): Ditto.
        (DI_FTYPE_DI_INT): Ditto.
        (HI_FTYPE_V16QI_V16QI): Ditto.
        (SI_FTYPE_V32QI_V32QI): Ditto.
        (DI_FTYPE_V64QI_V64QI): Ditto.
        (QI_FTYPE_V8HI_V8HI): Ditto.
        (HI_FTYPE_V16HI_V16HI): Ditto.
        (SI_FTYPE_V32HI_V32HI): Ditto.
        (QI_FTYPE_V4SI_V4SI): Ditto.
        (QI_FTYPE_V8SI_V8SI): Ditto.
        (QI_FTYPE_V2DI_V2DI): Ditto.
        (QI_FTYPE_V4DI_V4DI): Ditto.
        (QI_FTYPE_V8DI_V8DI): Ditto.
        (HI_FTYPE_V16SI_V16SI): Ditto.
        (HI_FTYPE_V16SI_V16SI_INT_HI): Ditto.
        (QI_FTYPE_V8DF_V8DF_INT_QI): Ditto.
        (HI_FTYPE_V16SF_V16SF_INT_HI): Ditto.
        (V32HI_FTYPE_V32HI_V32HI_V32HI): Ditto.
        (V4SF_FTYPE_V4SF_V2DF_V4SF_QI): Ditto.
        (V8DF_FTYPE_V8DF_V8DF_V8DF): Ditto.
        (V16SF_FTYPE_V16SF_V16SF_V16SF): Ditto.
        (V8DF_FTYPE_V8SF_V8DF_QI): Ditto.
        (V8DI_FTYPE_V8DF_V8DI_QI): Ditto.
        (V8DF_FTYPE_V8DI_V8DF_V8DF): Ditto.
        (V2DF_FTYPE_V2DF_V4SF_V2DF_QI): Ditto.
        (V16SF_FTYPE_V16SI_V16SF_HI): Ditto.
        (V16SF_FTYPE_V16SI_V16SF_V16SF): Ditto.
        (V8SI_FTYPE_V8DF_V8SI_QI): Ditto.
        (V8DI_FTYPE_PCCHAR_V8DI_QI): Ditto.
        (V8SF_FTYPE_PCFLOAT_V8SF_QI): Ditto.
        (V4SF_FTYPE_PCFLOAT_V4SF_QI): Ditto.
        (V4DF_FTYPE_PCDOUBLE_V4DF_QI): Ditto.
        (V2DF_FTYPE_PCDOUBLE_V2DF_QI): Ditto.
        (V8SI_FTYPE_PCCHAR_V8SI_QI): Ditto.
        (V4SI_FTYPE_PCCHAR_V4SI_QI): Ditto.
        (V4DI_FTYPE_PCCHAR_V4DI_QI): Ditto.
        (V2DI_FTYPE_PCCHAR_V2DI_QI): Ditto.
        (V16SF_FTYPE_PCV8SF_V16SF_HI): Ditto.
        (V16SI_FTYPE_PCV8SI_V16SI_HI): Ditto.
        (V8DF_FTYPE_PCV2DF_V8DF_QI): Ditto.
        (V8SF_FTYPE_PCV4SF_V8SF_QI): Ditto.
        (V8DI_FTYPE_PCV2DI_V8DI_QI): Ditto.
        (V8SI_FTYPE_PCV4SI_V8SI_QI): Ditto.
        (V4DF_FTYPE_PCV2DF_V4DF_QI): Ditto.
        (V4DI_FTYPE_PCV2DI_V4DI_QI): Ditto.
        (VOID_FTYPE_PDOUBLE_V2DF_QI): Ditto.
        (VOID_FTYPE_PFLOAT_V4SF_QI): Ditto.
        (V16SI_FTYPE_V16SF_V16SI_HI): Ditto.
        (V8DI_FTYPE_V8SF_V8DI_QI): Ditto.
        (V8SF_FTYPE_V8DI_V8SF_QI): Ditto.
        (V8DF_FTYPE_V8DI_V8DF_QI): Ditto.
        (V2DF_FTYPE_V2DF_V2DF_V2DI): Ditto.
        (V4SF_FTYPE_V4SF_V4SF_V4SI): Ditto.
        (V2UDI_FTYPE_V2UDI_V2UDI_V2UDI): Ditto.
        (V4USI_FTYPE_V4USI_V4USI_V4USI): Ditto.
        (V8UHI_FTYPE_V8UHI_V8UHI_V8UHI): Ditto.
        (V16UQI_FTYPE_V16UQI_V16UQI_V16UQI): Ditto.
        (V4DF_FTYPE_V4DF_V4DF_V4DI): Ditto.
        (V8SF_FTYPE_V8SF_V8SF_V8SI): Ditto.
        (V8DI_FTYPE_V8DI_V8DI_V8DI): Ditto.
        (V16SI_FTYPE_V16SI_V16SI_V16SI): Ditto.
        (V2DF_FTYPE_V2DF_V2DI_V2DF): Ditto.
        (V4DF_FTYPE_V4DF_V4DI_V4DF): Ditto.
        (V8DF_FTYPE_V8DF_V8DI_V8DF): Ditto.
        (V4SF_FTYPE_V4SF_V4SI_V4SF): Ditto.
        (V8SF_FTYPE_V8SF_V8SI_V8SF): Ditto.
        (V16SF_FTYPE_V16SF_V16SI_V16SF): Ditto.
        (V8DI_FTYPE_V8DI_SI_V8DI_V8DI): Ditto.
        (PVOID_FTYPE_PVOID_PVOID_ULONG): Ditto.
        (V4SF_FTYPE_V2DF_V4SF_QI): Convert mask type from signed to unsigned.
        (V4SF_FTYPE_V4DF_V4SF_QI): Ditto.
        (V4SF_FTYPE_V8HI_V4SF_QI): Ditto.
        (V8SF_FTYPE_V8HI_V8SF_QI): Ditto.
        (V16SI_FTYPE_V16SI_V16SI_HI): Ditto.
        (V8DI_FTYPE_V8DI_V8DI_QI): Ditto.
        (V2DF_FTYPE_V4DF_INT_V2DF_QI): Ditto.
        (V2DF_FTYPE_V8DF_INT_V2DF_QI): Ditto.
        (V2DI_FTYPE_V2DI_INT_V2DI_QI): Ditto.
        (V4DF_FTYPE_V8DF_INT_V4DF_QI): Ditto.
        (V4SF_FTYPE_V8SF_INT_V4SF_QI): Ditto.
        (V4SI_FTYPE_V2DF_V4SI_QI): Ditto.
        (V4SI_FTYPE_V4SI_INT_V4SI_QI): Ditto.
        (V4SI_FTYPE_V8HI_V8HI_V4SI_QI): Ditto.
        (V4SI_FTYPE_V8SI_INT_V4SI_QI): Ditto.
        (V8HI_FTYPE_V16QI_V16QI_V8HI_QI): Ditto.
        (V8HI_FTYPE_V8SF_INT_V8HI_QI): Ditto.
        (V8HI_FTYPE_V4SF_INT_V8HI_QI): Ditto.
        (V8SF_FTYPE_V16SF_INT_V8SF_QI): Ditto.
        (V4SF_FTYPE_V16SF_INT_V4SF_QI): Ditto.
        (V8DF_FTYPE_V8DF_V2DF_INT_V8DF_QI): Ditto.
        (V8DF_FTYPE_V8DF_V4DF_INT_V8DF_QI): Ditto.
        (V8DF_FTYPE_V8DF_V8DF_INT_V8DF_QI): Ditto.
        (V8DF_FTYPE_V8DF_INT_V8DF_QI): Ditto.
        (V4DF_FTYPE_V4DF_V4DF_V4DI_INT_QI): Ditto.
        (V2DF_FTYPE_V2DF_V2DF_V2DI_INT_QI): Ditto.
        (V16SF_FTYPE_V16SF_V16SF_INT_V16SF_HI): Ditto.
        (V16SF_FTYPE_V16SF_INT_V16SF_HI): Ditto.
        (V16SI_FTYPE_V16SI_V4SI_INT_V16SI_HI): Ditto.
        (V8SF_FTYPE_V8SF_V8SF_V8SI_INT_QI): Ditto.
        (V4SF_FTYPE_V4SF_V4SF_V4SI_INT_QI): Ditto.
        (V16SF_FTYPE_V16SF_V4SF_INT_V16SF_HI): Ditto.
        (V16SF_FTYPE_V16SF_V8SF_INT_V16SF_HI): Ditto.
        (V16HI_FTYPE_V32QI_V32QI_V16HI_HI): Ditto.
        (V32HI_FTYPE_V64QI_V64QI_V32HI_SI): Ditto.
        (V16HI_FTYPE_V16SF_INT_V16HI_HI): Ditto.
        (V16SI_FTYPE_V16SI_V8SI_INT_V16SI_HI): Ditto.
        (V4SI_FTYPE_V16SI_INT_V4SI_QI): Ditto.
        (V16SI_FTYPE_V16SI_V16SI_INT_V16SI_HI): Ditto.
        (V8SI_FTYPE_V16HI_V16HI_V8SI_QI): Ditto.
        (V16SI_FTYPE_V32HI_V32HI_V16SI_HI): Ditto.
        (V8SI_FTYPE_V8SI_INT_V8SI_QI): Ditto.
        (V8SI_FTYPE_V16SI_INT_V8SI_QI): Ditto.
        (V16SI_FTYPE_V16SI_V4SI_V16SI_HI): Ditto.
        (V16SI_FTYPE_V16SI_INT_V16SI_HI): Ditto.
        (V8DI_FTYPE_V8DI_V8DI_INT_V8DI_QI): Ditto.
        (V8DI_FTYPE_V8DI_V8DI_INT_V8DI_DI): Ditto.
        (V4DI_FTYPE_V4DI_V4DI_INT_V4DI_SI): Ditto.
        (V2DI_FTYPE_V2DI_V2DI_INT_V2DI_HI): Ditto.
        (V8DI_FTYPE_V8DI_V2DI_INT_V8DI_QI): Ditto.
        (V8DI_FTYPE_V8DI_V4DI_INT_V8DI_QI): Ditto.
        (V4DI_FTYPE_V8DI_INT_V4DI_QI): Ditto.
        (V8DI_FTYPE_V8DI_V2DI_V8DI_QI): Ditto.
        (V8DI_FTYPE_V8DI_INT_V8DI_QI): Ditto.
        (V4DI_FTYPE_V4DI_INT_V4DI_QI): Ditto.
        (V2DI_FTYPE_V4DI_INT_V2DI_QI): Ditto.
        (V2DI_FTYPE_V8DI_INT_V2DI_QI): Ditto.
        (HI_FTYPE_HI): Ditto.
        (HI_FTYPE_V16QI): Ditto.
        (SI_FTYPE_V32QI): Ditto.
        (DI_FTYPE_V64QI): Ditto.
        (QI_FTYPE_V8HI): Ditto.
        (HI_FTYPE_V16HI): Ditto.
        (SI_FTYPE_V32HI): Ditto.
        (QI_FTYPE_V4SI): Ditto.
        (QI_FTYPE_V8SI): Ditto.
        (HI_FTYPE_V16SI): Ditto.
        (QI_FTYPE_V2DI): Ditto.
        (QI_FTYPE_V4DI): Ditto.
        (QI_FTYPE_V8DI): Ditto.
        (V16QI_FTYPE_HI): Ditto.
        (V32QI_FTYPE_SI): Ditto.
        (V64QI_FTYPE_DI): Ditto.
        (V8HI_FTYPE_QI): Ditto.
        (V16HI_FTYPE_HI): Ditto.
        (V32HI_FTYPE_SI): Ditto.
        (V4SI_FTYPE_QI): Ditto.
        (V4SI_FTYPE_HI): Ditto.
        (V8SI_FTYPE_QI): Ditto.
        (V8SI_FTYPE_HI): Ditto.
        (V2DI_FTYPE_QI): Ditto.
        (V4DI_FTYPE_QI): Ditto.
        (HI_FTYPE_HI_HI): Ditto.
        (SI_FTYPE_SI_SI): Ditto.
        (DI_FTYPE_DI_DI): Ditto.
        (HI_FTYPE_V16QI_V16QI_HI): Ditto.
        (HI_FTYPE_V16QI_V16QI_INT_HI): Ditto.
        (SI_FTYPE_V32QI_V32QI_SI): Ditto.
        (SI_FTYPE_V32QI_V32QI_INT_SI): Ditto.
        (DI_FTYPE_V64QI_V64QI_DI): Ditto.
        (DI_FTYPE_V64QI_V64QI_INT_DI): Ditto.
        (QI_FTYPE_V8HI_V8HI_QI): Ditto.
        (QI_FTYPE_V8HI_V8HI_INT_QI): Ditto.
        (HI_FTYPE_V16HI_V16HI_HI): Ditto.
        (HI_FTYPE_V16HI_V16HI_INT_HI): Ditto.
        (SI_FTYPE_V32HI_V32HI_SI): Ditto.
        (SI_FTYPE_V32HI_V32HI_INT_SI): Ditto.
        (QI_FTYPE_V4SI_V4SI_QI): Ditto.
        (QI_FTYPE_V4SI_V4SI_INT_QI): Ditto.
        (QI_FTYPE_V8SI_V8SI_QI): Ditto.
        (QI_FTYPE_V8SI_V8SI_INT_QI): Ditto.
        (QI_FTYPE_V2DI_V2DI_QI): Ditto.
        (QI_FTYPE_V2DI_V2DI_INT_QI): Ditto.
        (QI_FTYPE_V4DI_V4DI_QI): Ditto.
        (QI_FTYPE_V4DI_V4DI_INT_QI): Ditto.
        (QI_FTYPE_V8DI_V8DI_QI): Ditto.
        (HI_FTYPE_V16SI_V16SI_HI): Ditto.
        (QI_FTYPE_V8DI_V8DI_INT): Ditto.
        (QI_FTYPE_V8DI_V8DI_INT_QI): Ditto.
        (HI_FTYPE_V16SI_V16SI_INT): Ditto.
        (HI_FTYPE_V16SI_V16SI_INT _HI): Ditto.
        (QI_FTYPE_V8DF_V8DF_INT): Ditto.
        (QI_FTYPE_V8DF_V8DF_INT_QI_INT): Ditto.
        (HI_FTYPE_V16SF_V16SF_INT): Ditto.
        (HI_FTYPE_V16SF_V16SF_INT_HI_INT): Ditto.
        (QI_FTYPE_V2DF_V2DF_INT): Ditto.
        (QI_FTYPE_V2DF_V2DF_INT_QI): Ditto.
        (QI_FTYPE_V2DF_V2DF_INT_QI_INT): Ditto.
        (QI_FTYPE_V4SF_V4SF_INT): Ditto.
        (QI_FTYPE_V4SF_V4SF_INT_QI): Ditto.
        (QI_FTYPE_V4SF_V4SF_INT_QI_INT): Ditto.
        (V16SI_FTYPE_HI): Ditto.
        (V8DI_FTYPE_QI): Ditto.
        (V2DF_FTYPE_V2DI_V2DF_V2DF_QI): Ditto.
        (V2DF_FTYPE_V2DF_V2DI_V2DF_QI): Ditto.
        (V4DF_FTYPE_V4DF_V2DF_INT_V4DF_QI): Ditto.
        (V4SF_FTYPE_V4SI_V4SF_V4SF_QI): Ditto.
        (V4SF_FTYPE_V4SF_V4SI_V4SF_QI): Ditto.
        (V4SF_FTYPE_V4SF_V4SF_V4SF_QI): Ditto.
        (V8SF_FTYPE_V8SF_V4SF_INT_V8SF_QI): Ditto.
        (V8SI_FTYPE_V8SI_V4SI_INT_V8SI_QI): Ditto.
        (V4DI_FTYPE_V4DI_V2DI_INT_V4DI_QI): Ditto.
        (V2DF_FTYPE_V2DF_V2DF_QI): Ditto.
        (V2DF_FTYPE_V4SF_V2DF_QI): Ditto.
        (V2DF_FTYPE_V4SI_V2DF_QI): Ditto.
        (V4DF_FTYPE_V4DF_V4DF_QI): Ditto.
        (V4DF_FTYPE_V4SF_V4DF_QI): Ditto.
        (V4DF_FTYPE_V4SI_V4DF_QI): Ditto.
        (V8DF_FTYPE_V8DF_V8DF_QI): Ditto.
        (V8DF_FTYPE_V8SI_V8DF_QI): Ditto.
        (V2DI_FTYPE_V4SI_V2DI_QI): Ditto.
        (V2DI_FTYPE_V8HI_V2DI_QI): Ditto.
        (V4DI_FTYPE_V4DF_V4DI_QI): Ditto.
        (V2DI_FTYPE_V2DF_V2DI_QI): Ditto.
        (V2DI_FTYPE_V2DI_V2DI_V2DI_QI): Ditto.
        (V2DI_FTYPE_V2DI_V2DI_INT_V2DI_QI): Ditto.
        (V4DI_FTYPE_V4DI_V4DI_V4DI_QI): Ditto.
        (V4DI_FTYPE_V4DI_V4DI_INT_V4DI_QI): Ditto.
        (V8DI_FTYPE_V8SI_V8DI_QI): Ditto.
        (V8DI_FTYPE_V8HI_V8DI_QI): Ditto.
        (V8DI_FTYPE_V16QI_V8DI_QI): Ditto.
        (V2DI_FTYPE_V16QI_V2DI_QI): Ditto.
        (V4DI_FTYPE_V16QI_V4DI_QI): Ditto.
        (V4DI_FTYPE_V4DI_V4DI_QI): Ditto.
        (V4DI_FTYPE_V4SI_V4DI_QI): Ditto.
        (V4DI_FTYPE_V8HI_V4DI_QI): Ditto.
        (V8DI_FTYPE_V8DI_V8DI_V8DI_QI): Ditto.
        (V8DF_FTYPE_V8DI_V8DF_V8DF_QI): Ditto.
        (V8DF_FTYPE_V8DF_V8DI_V8DF_QI): Ditto.
        (V4DF_FTYPE_V4DI_V4DF_V4DF_QI): Ditto.
        (V4DF_FTYPE_V4DF_V4DI_V4DF_QI): Ditto.
        (V4DF_FTYPE_V4DF_V4DF_V4DF_QI): Ditto.
        (V8DF_FTYPE_V8DF_V8DF_V8DF_QI): Ditto.
        (V16QI_FTYPE_V16QI_V16QI_V16QI_HI): Ditto.
        (V16HI_FTYPE_V16HI_V16HI_V16HI_HI): Ditto.
        (V16SI_FTYPE_V16SI_V16SI_V16SI_HI): Ditto.
        (V2DF_FTYPE_V2DF_V2DF_V2DF_QI): Ditto.
        (V32HI_FTYPE_V32HI_V32HI_V32HI_SI): Ditto.
        (V64QI_FTYPE_V64QI_V64QI_V64QI_DI): Ditto.
        (V32QI_FTYPE_V32QI_V32QI_V32QI_SI): Ditto.
        (V8HI_FTYPE_V8HI_V8HI_V8HI_QI): Ditto.
        (V4SF_FTYPE_V4SF_V4SF_QI): Ditto.
        (V4SF_FTYPE_V4SI_V4SF_QI): Ditto.
        (V8SF_FTYPE_V8SF_V8SF_QI): Ditto.
        (V8SF_FTYPE_V8SI_V8SF_QI): Ditto.
        (V16SF_FTYPE_V16SF_V16SF_HI): Ditto.
        (V4SI_FTYPE_V16QI_V4SI_QI): Ditto.
        (V4SI_FTYPE_V8HI_V4SI_QI): Ditto.
        (V8SI_FTYPE_V8SI_V8SI_QI): Ditto.
        (V8SI_FTYPE_V8HI_V8SI_QI): Ditto.
        (V8SI_FTYPE_V16QI_V8SI_QI): Ditto.
        (V4SI_FTYPE_V4SI_V4SI_V4SI_QI): Ditto.
        (V4SI_FTYPE_V4SI_V4SI_INT_V4SI_QI): Ditto.
        (V8SF_FTYPE_V8SF_V8SF_V8SF_QI): Ditto.
        (V8SF_FTYPE_V8SI_V8SF_V8SF_QI): Ditto.
        (V8SF_FTYPE_V8SF_V8SI_V8SF_QI): Ditto.
        (V8SI_FTYPE_V8SI_V8SI_V8SI_QI): Ditto.
        (V8SI_FTYPE_V8SI_V8SI_INT_V8SI_QI): Ditto.
        (V16SF_FTYPE_V16SF_V16SF_V16SF_HI): Ditto.
        (V16SF_FTYPE_V16SI_V16SF_V16SF_HI): Ditto.
        (V16SF_FTYPE_V16SF_V16SI_V16SF_HI): Ditto.
        (V16SF_FTYPE_V8SF_V16SF_HI): Ditto.
        (V16SF_FTYPE_V4SF_V16SF_HI): Ditto.
        (V8DF_FTYPE_V4DF_V8DF_QI): Ditto.
        (V8DF_FTYPE_V2DF_V8DF_QI): Ditto.
        (V16SI_FTYPE_V8SI_V16SI_HI): Ditto.
        (V16SI_FTYPE_V4SI_V16SI_HI): Ditto.
        (V16SI_FTYPE_SI_V16SI_HI): Ditto.
        (V16SI_FTYPE_V16HI_V16SI_HI): Ditto.
        (V16SI_FTYPE_V16QI_V16SI_HI): Ditto.
        (V8DI_FTYPE_V4DI_V8DI_QI): Ditto.
        (V4SI_FTYPE_V4DF_V4SI_QI): Ditto.
        (V8DI_FTYPE_V2DI_V8DI_QI): Ditto.
        (V8DI_FTYPE_DI_V8DI_QI): Ditto.
        (V16QI_FTYPE_V16SI_V16QI_HI): Ditto.
        (V16QI_FTYPE_V8DI_V16QI_QI): Ditto.
        (V32HI_FTYPE_V32HI_V32HI_SI): Ditto.
        (V32HI_FTYPE_V32QI_V32HI_SI): Ditto.
        (V16HI_FTYPE_V16HI_V16HI_HI): Ditto.
        (V16HI_FTYPE_V16QI_V16HI_HI): Ditto.
        (V8HI_FTYPE_V16QI_V8HI_QI): Ditto.
        (V8SF_FTYPE_V4SF_V8SF_QI): Ditto.
        (V4DF_FTYPE_V2DF_V4DF_QI): Ditto.
        (V8SI_FTYPE_V4SI_V8SI_QI): Ditto.
        (V8SI_FTYPE_SI_V8SI_QI): Ditto.
        (V4SI_FTYPE_V4SI_V4SI_QI): Ditto.
        (V4SI_FTYPE_SI_V4SI_QI): Ditto.
        (V4DI_FTYPE_V2DI_V4DI_QI): Ditto.
        (V4DI_FTYPE_DI_V4DI_QI): Ditto.
        (V2DI_FTYPE_V2DI_V2DI_QI): Ditto.
        (V2DI_FTYPE_DI_V2DI_QI): Ditto.
        (V64QI_FTYPE_V64QI_V64QI_DI): Ditto.
        (V64QI_FTYPE_V16QI_V64QI_DI): Ditto.
        (V64QI_FTYPE_QI_V64QI_DI): Ditto.
        (V32QI_FTYPE_V32QI_V32QI_SI): Ditto.
        (V32QI_FTYPE_V16QI_V32QI_SI): Ditto.
        (V32QI_FTYPE_QI_V32QI_SI): Ditto.
        (V16QI_FTYPE_V16QI_V16QI_HI): Ditto.
        (V16QI_FTYPE_QI_V16QI_HI): Ditto.
        (V32HI_FTYPE_V8HI_V32HI_SI): Ditto.
        (V32HI_FTYPE_HI_V32HI_SI): Ditto.
        (V16HI_FTYPE_V8HI_V16HI_HI): Ditto.
        (V16HI_FTYPE_HI_V16HI_HI): Ditto.
        (V8HI_FTYPE_V8HI_V8HI_QI): Ditto.
        (V8HI_FTYPE_HI_V8HI_QI): Ditto.
        (V64QI_FTYPE_PCV64QI_V64QI_DI): Ditto.
        (V32HI_FTYPE_PCV32HI_V32HI_SI): Ditto.
        (V32QI_FTYPE_PCV32QI_V32QI_SI): Ditto.
        (V16SF_FTYPE_PCV16SF_V16SF_HI): Ditto.
        (V8DF_FTYPE_PCV8DF_V8DF_QI): Ditto.
        (V16SI_FTYPE_PCV16SI_V16SI_HI): Ditto.
        (V16HI_FTYPE_PCV16HI_V16HI_HI): Ditto.
        (V16QI_FTYPE_PCV16QI_V16QI_HI): Ditto.
        (V8SF_FTYPE_PCV8SF_V8SF_QI): Ditto.
        (V8DI_FTYPE_PCV8DI_V8DI_QI): Ditto.
        (V8SI_FTYPE_PCV8SI_V8SI_QI): Ditto.
        (V8HI_FTYPE_PCV8HI_V8HI_QI): Ditto.
        (V4DF_FTYPE_PCV4DF_V4DF_QI): Ditto.
        (V4SF_FTYPE_PCV4SF_V4SF_QI): Ditto.
        (V4DI_FTYPE_PCV4DI_V4DI_QI): Ditto.
        (V4SI_FTYPE_PCV4SI_V4SI_QI): Ditto.
        (V2DF_FTYPE_PCV2DF_V2DF_QI): Ditto.
        (V2DI_FTYPE_PCV2DI_V2DI_QI): Ditto.
        (V16HI_FTYPE_V16SI_V16HI_HI): Ditto.
        (V8SI_FTYPE_V8DI_V8SI_QI): Ditto.
        (V8HI_FTYPE_V8DI_V8HI_QI): Ditto.
        (V16QI_FTYPE_V8HI_V16QI_QI): Ditto.
        (V16QI_FTYPE_V16HI_V16QI_HI): Ditto.
        (V16QI_FTYPE_V4SI_V16QI_QI): Ditto.
        (V16QI_FTYPE_V8SI_V16QI_QI): Ditto.
        (V8HI_FTYPE_V4SI_V8HI_QI): Ditto.
        (V8HI_FTYPE_V8SI_V8HI_QI): Ditto.
        (V16QI_FTYPE_V2DI_V16QI_QI): Ditto.
        (V16QI_FTYPE_V4DI_V16QI_QI): Ditto.
        (V8HI_FTYPE_V2DI_V8HI_QI): Ditto.
        (V8HI_FTYPE_V4DI_V8HI_QI): Ditto.
        (V4SI_FTYPE_V2DI_V4SI_QI): Ditto.
        (V4SI_FTYPE_V4DI_V4SI_QI): Ditto.
        (V32QI_FTYPE_V32HI_V32QI_SI): Ditto.
        (V2DF_FTYPE_V2DF_INT_V2DF_QI): Ditto.
        (V4DF_FTYPE_V4DF_INT_V4DF_QI): Ditto.
        (V4SF_FTYPE_V4SF_INT_V4SF_QI): Ditto.
        (V8SF_FTYPE_V8SF_INT_V8SF_QI): Ditto.
        (V4DF_FTYPE_V4DF_V4DF_INT_V4DF_QI): Ditto.
        (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_QI): Ditto.
        (V8SF_FTYPE_V8SF_V8SF_INT_V8SF_QI): Ditto.
        (V4SF_FTYPE_V4SF_V4SF_INT_V4SF_QI): Ditto.
        (VOID_FTYPE_PV8DF_V8DF_QI): Ditto.
        (VOID_FTYPE_PV8SI_V8DI_QI): Ditto.
        (VOID_FTYPE_PV8HI_V8DI_QI): Ditto.
        (VOID_FTYPE_PV8HI_V4DI_QI): Ditto.
        (VOID_FTYPE_PV8HI_V2DI_QI): Ditto.
        (VOID_FTYPE_PV4SI_V4DI_QI): Ditto.
        (VOID_FTYPE_PV4SI_V2DI_QI): Ditto.
        (VOID_FTYPE_PV8HI_V8SI_QI): Ditto.
        (VOID_FTYPE_PV8HI_V4SI_QI): Ditto.
        (VOID_FTYPE_PV4DF_V4DF_QI): Ditto.
        (VOID_FTYPE_PV2DF_V2DF_QI): Ditto.
        (VOID_FTYPE_PV16SF_V16SF_HI): Ditto.
        (VOID_FTYPE_PV8SF_V8SF_QI): Ditto.
        (VOID_FTYPE_PV4SF_V4SF_QI): Ditto.
        (VOID_FTYPE_PV8DI_V8DI_QI): Ditto.
        (VOID_FTYPE_PV4DI_V4DI_QI): Ditto.
        (VOID_FTYPE_PV2DI_V2DI_QI): Ditto.
        (VOID_FTYPE_PV16SI_V16SI_HI): Ditto.
        (VOID_FTYPE_PV16HI_V16SI_HI): Ditto.
        (VOID_FTYPE_PV16QI_V16SI_HI): Ditto.
        (VOID_FTYPE_PV16QI_V8SI_QI): Ditto.
        (VOID_FTYPE_PV16QI_V4SI_QI): Ditto.
        (VOID_FTYPE_PV16QI_V8DI_QI): Ditto.
        (VOID_FTYPE_PV16QI_V4DI_QI): Ditto.
        (VOID_FTYPE_PV16QI_V2DI_QI): Ditto.
        (VOID_FTYPE_PV8SI_V8SI_QI): Ditto.
        (VOID_FTYPE_PV4SI_V4SI_QI): Ditto.
        (VOID_FTYPE_PV32HI_V32HI_SI): Ditto.
        (VOID_FTYPE_PV16HI_V16HI_HI): Ditto.
        (VOID_FTYPE_PV8HI_V8HI_QI): Ditto.
        (VOID_FTYPE_PV64QI_V64QI_DI): Ditto.
        (VOID_FTYPE_PV32QI_V32QI_SI): Ditto.
        (VOID_FTYPE_PV16QI_V16QI_HI): Ditto.
        (V8DI_FTYPE_V8DI_V8DI_V8DI_INT_QI): Ditto.
        (V8SI_FTYPE_V8SF_V8SI_QI): Ditto.
        (V4SI_FTYPE_V4SF_V4SI_QI): Ditto.
        (V4DI_FTYPE_V4SF_V4DI_QI): Ditto.
        (V2DI_FTYPE_V4SF_V2DI_QI): Ditto.
        (V4SF_FTYPE_V4DI_V4SF_QI): Ditto.
        (V4SF_FTYPE_V2DI_V4SF_QI): Ditto.
        (V4DF_FTYPE_V4DI_V4DF_QI): Ditto.
        (V2DF_FTYPE_V2DI_V2DF_QI): Ditto.
        (V32HI_FTYPE_V32HI_INT_V32HI_SI): Ditto.
        (V32HI_FTYPE_V32HI_V8HI_V32HI_SI): Ditto.
        (V16HI_FTYPE_V16HI_INT_V16HI_HI): Ditto.
        (V16HI_FTYPE_V16HI_V8HI_V16HI_HI): Ditto.
        (V8HI_FTYPE_V8HI_INT_V8HI_QI): Ditto.
        (V32HI_FTYPE_V64QI_V64QI_INT_V32HI_SI): Ditto.
        (V16HI_FTYPE_V32QI_V32QI_INT_V16HI_HI): Ditto.
        (V8HI_FTYPE_V16QI_V16QI_INT_V8HI_QI): Ditto.
        (V64QI_FTYPE_V32HI_V32HI_V64QI_DI): Ditto.
        (V32QI_FTYPE_V16HI_V16HI_V32QI_SI): Ditto.
        (V16QI_FTYPE_V8HI_V8HI_V16QI_HI): Ditto.
        (V32HI_FTYPE_V16SI_V16SI_V32HI_SI): Ditto.
        (V16HI_FTYPE_V8SI_V8SI_V16HI_HI): Ditto.
        (V8HI_FTYPE_V4SI_V4SI_V8HI_QI): Ditto.
        (V8DI_FTYPE_V16SI_V16SI_V8DI_QI): Ditto.
        (V4DI_FTYPE_V8SI_V8SI_V4DI_QI): Ditto.
        (V2DI_FTYPE_V4SI_V4SI_V2DI_QI): Ditto.
        (V16SI_FTYPE_V16SI_V16SI_V16SI_INT_HI): Ditto.
        (V8SI_FTYPE_V8SI_V8SI_V8SI_INT_QI): Ditto.
        (V4DI_FTYPE_V4DI_V4DI_V4DI_INT_QI): Ditto.
        (V4SI_FTYPE_V4SI_V4SI_V4SI_INT_QI): Ditto.
        (V2DI_FTYPE_V2DI_V2DI_V2DI_INT_QI): Ditto.
        (V8SI_FTYPE_V8SI_V4SI_V8SI_QI): Ditto.
        (V4DI_FTYPE_V4DI_V2DI_V4DI_QI): Ditto.
        (QI_FTYPE_V4DF_V4DF_INT_QI): Ditto.
        (QI_FTYPE_V8SF_V8SF_INT_QI): Ditto.
        (QI_FTYPE_V8DF_INT_QI): Ditto.
        (QI_FTYPE_V4DF_INT_QI): Ditto.
        (QI_FTYPE_V2DF_INT_QI): Ditto.
        (HI_FTYPE_V16SF_INT_HI): Ditto.
        (QI_FTYPE_V8SF_INT_QI): Ditto.
        (QI_FTYPE_V4SF_INT_QI): Ditto.
        (V8DF_FTYPE_V8DF_V8DF_V8DF_QI_INT): Ditto.

2015-07-31  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (fold_gimple_assign): Remove folding of
        GIMPLE_BINARY_RHS.

2015-07-31  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/66846
        * omp-low.c (expand_omp_taskreg) [ENABLE_CHECKING]: Call
        verify_loop_structure for child_cfun if !LOOPS_NEED_FIXUP.
        (expand_omp_target) [ENABLE_CHECKING]: Same.
        (execute_expand_omp) [ENABLE_CHECKING]: Call verify_loop_structure for
        cfun if !LOOPS_NEED_FIXUP.
        (expand_omp_for_static_nochunk): Handle simple latch bb.  Handle case
        that omp_for already has its own loop struct.
        * tree-parloops.c (create_phi_for_local_result)
        (create_call_for_reduction): Handle simple latch bb.
        (create_parallel_loop): Add simple latch bb to preserve
        LOOPS_HAVE_SIMPLE_LATCHES.  Record new exit.  Handle simple latch bb.
        (gen_parallel_loop): Remove call to cancel_loop_tree.
        (parallelize_loops): Skip loops that are inner loops of parallelized
        loops.
        (pass_parallelize_loops::execute) [ENABLE_CHECKING]: Call
        verify_loop_structure.

2015-07-30  Anatoly Sokolov  <aesok@post.ru>

        * config/v850/v850.h (LIBCALL_VALUE): Remove macros.
        * config/v850/v850.md (RV_REGNUM): New constants.
        * config/v850/v850.c (v850_libcall_value): New functions.
        (v850_function_value_regno_p, v850_function_value): Use RV_REGNUM.
        (TARGET_LIBCALL_VALUE): Define.

2015-07-30  Anatoly Sokolov  <aesok@post.ru>

        * rtl.h (lowpart_subreg): Move in file.
        * loop-iv.c (lowpart_subreg): Move to...
        * simplify-rtx.c (lowpart_subreg): ...here.
          (simplify_binary_operation_1): Use lowpart_subreg instead of
          simplify_gen_subreg.
        * expr.c (expand_expr_real_2): Ditto.
        * emit-rtl.c (gen_lowpart_common): Ditto.
        * combine.c (gen_lowpart_for_combine): Ditto.
        * cfgexpand.c (convert_debug_memory_address, expand_debug_expr,
          expand_debug_source_expr): Ditto.

2015-07-30  Richard Sandiford  <richard.sandiford@arm.com>

        * builtins.c (HAVE_atomic_clear, gen_atomic_clear): Delete.
        (expand_builtin_atomic_clear): Remove support for atomic_clear
        pattern.

2015-07-30  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (fold_gimple_assign): Only fold !tcc_comparison
        binaries.  Move X == 0, X == 1, X != 0, and X != 1 canonicalization ...
        (fold_stmt_1): ... here and work on GIMPLE directly.  Remove
        redundant operand canonicalization.

2015-07-30  David Sherwood  <david.sherwood@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_ext<mode>): Replace call to
        GET_MODE_SIZE (GET_MODE_INNER (m)) with GET_MODE_UNIT_SIZE (m).
        * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Likewise.
        * config/arm/arm.c (neon_valid_immediate): Likewise.
        * config/i386/i386.c (classify_argument, ix86_expand_int_vcond)
        (expand_vec_perm_blend, expand_vec_perm_pshufb): Likewise.
        (expand_vec_perm_pshufb2, expand_vec_perm_vpshufb2_vpermq): Likewise.
        (expand_vec_perm_vpshufb2_vpermq): Likewise.
        (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise.
        (expand_vec_perm_vpshufb4_vpermq2): Likewise.
        * config/i386/sse.md
        (<extract_type>_vinsert<shuffletype><extract_suf>_mask): Likewise.
        (*ssse3_palignr<mode>_perm): Likewise.
        * config/rs6000/rs6000.c (rs6000_complex_function_value): Likewise.
        * config/spu/spu.c (arith_immediate_p): Likewise.
        * simplify-rtx.c (simplify_const_unary_operation): Likewise.
        (simplify_binary_operation_1, simplify_ternary_operation): Likewise.

2015-07-30  Richard Biener  <rguenther@suse.de>

        * genmatch.c (decision_tree::gen_gimple): Merge with ...
        (decision_tree::gen_generic): ... this into ...
        (decision_tree::gen): ... this.
        (main): Adjust callers.

2015-07-30  Richard Biener  <rguenther@suse.de>

        * genmatch.c (verbose): New global.
        (warning_at): Add overload with source_location.
        (capture_info::capture_info): Add bool whether generating gimple
        or generic.  Add gimple member.
        (capture_info::cinfo): Add capture member.
        (capture_info::walk_match): Record capture.  Warn on
        non-captured leafs.
        (capture_info::walk_c_expr): Add more fragments captures cannot
        escape through.  Warn on escaped captures.
        (dt_simplify::gen_1): Warn on operands we force to have no
        side-effects.
        (main): Initialize verbose.
        * match.pd: Add integer_nonzerop and HONOR_NANS predicates.

2015-07-30  Richard Biener  <rguenther@suse.de>

        PR middle-end/67053
        * match.pd: Allow both operands to independently have conversion
        when simplifying compares of addresses.

2015-07-29  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/66217
        PR target/67045
        * config/rs6000/rs6000.md (and<mode>3): Put a CONST_INT_P check
        around those cases that need one.

2015-07-29  Aditya Kumar  <hiraditya@msn.com>

        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Default to 3.

2015-07-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/iamcu.h (TARGET_ASM_FILE_START_FILE_DIRECTIVE):
        New.  Copied from config/i386/gnu-user.h.
        (ASM_COMMENT_START): Likewise.
        (DBX_REGISTER_NUMBER): Likewise.

2015-07-29  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (fold_gimple_cond): Remove.
        (fold_stmt_1): Do not call it.

2015-07-29  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-builtins.c (aarch64_fp16_type_node): New.
        (aarch64_init_builtins): Make aarch64_fp16_type_node, use for __fp16.

        * config/aarch64/aarch64-modes.def: Add HFmode.

        * config/aarch64/aarch64.h (TARGET_CPU_CPP_BUILTINS): Define
        __ARM_FP16_FORMAT_IEEE and __ARM_FP16_ARGS. Set bit 1 of __ARM_FP.

        * config/aarch64/aarch64.c (aarch64_init_libfuncs,
        aarch64_promoted_type): New.

        (aarch64_float_const_representable_p): Disable HFmode.
        (aarch64_mangle_type): Mangle half-precision floats to "Dh".
        (TARGET_PROMOTED_TYPE): Define to aarch64_promoted_type.
        (TARGET_INIT_LIBFUNCS): Define to aarch64_init_libfuncs.

        * config/aarch64/aarch64.md (mov<mode>): Include HFmode using GPF_F16.
        (movhf_aarch64, extendhfsf2, extendhfdf2, truncsfhf2, truncdfhf2): New.

        * config/aarch64/iterators.md (GPF_F16): New.

2015-07-29  Richard Biener  <rguenther@suse.de>

        * match.pd: Merge address comparison patterns and make them
        handle some more cases.

2015-07-29  Richard Biener  <rguenther@suse.de>

        * genmatch.c (c_expr::gen_transform): Error on unknown captures.
        (parser::parse_capture): Add bool argument on whether to reject
        unknown captures.
        (parser::parse_expr): Adjust.
        (parser::parse_op): Likewise.
        (parser::parse_pattern): Likewise.

2015-07-29  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (has_use_on_stmt): New function.
        (replace_stmt_with_simplification): Use it to allow
        abnormals originally referenced in the stmt.
        (fold_stmt_1): Canonicalize operand order.

2015-07-28  David Sherwood  <david.sherwood@arm.com>

        * config/arm/arm.c (neon_element_bits, neon_valid_immediate): Call
        GET_MODE_INNER unconditionally.
        * config/spu/spu.c (arith_immediate_p): Likewise.
        * config/i386/i386.c (ix86_build_signbit_mask): Likewise.
        * expmed.c (synth_mult): Remove check for VOIDmode result from
        GET_MODE_INNER.
        (expand_mult_const): Likewise.
        * fold-const.c (fold_binary_loc): Replace call to element_precision
        with call to GET_MODE_PRECISION.
        * genmodes.c (emit_mode_inner_inline): Replace void_mode->name with
        m->name.
        (emit_mode_inner): Likewise.
        * lto-streamer-out.c (lto_write_mode_table): Update GET_MODE_INNER
        result check.
        * machmode.h (GET_MODE_UNIT_SIZE): Simplify.
        (GET_MODE_UNIT_PRECISION): Likewise.
        * rtlanal.c (subreg_get_info): Call GET_MODE_INNER unconditionally.
        * simplify-rtx.c (simplify_immed_subreg): Likewise.
        * stor-layout.c (bitwise_type_for_mode): Update assert.
        (element_precision): Remove.

2015-07-28  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (reload_load_address): New targetm instruction
        pattern.
        * reload1.c (gen_reload): Use it instead of HAVE_*/gen_* interface.

2015-07-28  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (atomic_test_and_set): New targetm instruction
        pattern.
        * optabs.c (maybe_emit_atomic_test_and_set): Use it instead of
        HAVE_*/gen_* interface.

2015-07-28  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (can_extend, ptr_extend): New targetm instruction
        patterns.
        * optabs.c (can_extend_p): Use them instead of HAVE_*/gen_* interface.
        * simplify-rtx.c (simplify_unary_operation_1): Likewise.
        * emit-rtl.c (set_reg_attrs_from_value): Likewise.
        * rtlanal.c (nonzero_bits1): Likewise.
        (num_sign_bit_copies1): Likewise.

2015-07-28  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (eh_return): New targetm instruction pattern.
        * except.c (expand_eh_return): Use it instead of HAVE_*/gen_*
        interface.
        * function.c (thread_prologue_and_epilogue_insns): Remove
        preprocessor condition.

2015-07-28  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (indirect_jump): New targetm instruction pattern.
        * optabs.c (emit_indirect_jump): Use it instead of HAVE_*/gen_*
        interface.

2015-07-28  Richard Sandiford  <richard.sandiford@arm.com>

        * config/fr30/fr30.md (indirect_jump): Use pmode_register_operand
        instead of nonimmediate_operand.  Remove C condiition.

2015-07-28  Richard Biener  <rguenther@suse.de>

        * match.pd: Add more simplification of address comparisons.

2015-07-28  Richard Biener  <rguenther@suse.de>

        * match.pd: Re-order two cases in comparison with max/min
        value simplification to make it apply for bools.

2015-07-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_arith_op_extract_p):
        Handle simple SIGN_EXTEND or ZERO_EXTEND.
        (aarch64_rtx_costs): Properly strip extend or extract before
        passing down to rtx costs again.

2015-07-28  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_addsi3_internal): New function.
        Optimizes the case where -mes0 is active and a constant symbolic
        address is used.
        * config/rl78/rl78-protos.h: Prototype the new function.
        * config/rl78/rl78.md (addsi3_internal_real): Call new function.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (reduc_stmt_res): New function.
        (initialize_reductions, add_field_for_reduction)
        (create_phi_for_local_result, create_loads_for_reductions)
        (create_stores_for_reduction, build_new_reduction): Handle case that
        reduc_stmt is a phi.
        (gather_scalar_reductions): Allow double_reduc reductions.

2015-07-28  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_comparison): Remove equality folding
        of decl addresses ...
        * match.pd: ... here and merge with existing pattern.

2015-07-28  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/66828
        * tree-ssa-math-opts.c (perform_symbolic_merge): Change type of inc
        from int64_t to uint64_t.

2015-07-28  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * opts-common.c (read_cmdline_option): List DriverOnly enum values
        as valid only in the error message of the driver, not in the
        messages of the language compilers.

2015-07-27  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (gather_scalar_reductions): Simplify function
        structure.

2015-07-27  Marek Polacek  <polacek@redhat.com>

        * ipa-devirt.c (types_same_for_odr): Fix typo.

2015-07-27  Jason Merrill  <jason@redhat.com>

        PR debug/66468
        * dwarf2out.c (gen_inlined_subroutine_die): Check
        cgraph_function_possibly_inlined_p.

2015-07-27  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (aarch64_lshr_sisd_or_int_<mode>3):
        Place integer variant first.
        (aarch64_ashr_sisd_or_int_<mode>3): Likewise.

2015-07-27  Alan Lawrence  <alan.lawrence@arm.com>

        PR/63870
        * config/arm/arm-builtins.c (enum arm_builtins):
        Add ARM_BUILTIN_NEON_BASE and ARM_BUILTIN_NEON_LANE_CHECK.
        (ARM_BUILTIN_NEON_BASE): Rename macro to....
        (ARM_BUILTIN_NEON_PATTERN_START): ...this.
        (arm_init_neon_builtins): Register __builtin_arm_lane_check.
        (arm_expand_neon_builtin): Handle ARM_BUILTIN_NEON_LANE_CHECK.

2015-07-27  Alan Lawrence  <alan.lawrence@arm.com>

        PR/63870
        * config/arm/arm-builtins.c (enum arm_type_qualifiers):
        Add qualifier_lane_index.
        (arm_binop_imm_qualifiers, BINOP_IMM_QUALIFIERS): New.
        (arm_getlane_qualifiers): Use qualifier_lane_index.
        (arm_lanemac_qualifiers): Rename to...
        (arm_mac_n_qualifiers): ...this.
        (LANEMAC_QUALIFIERS): Rename to...
        (MAC_N_QUALIFIERS): ...this.
        (arm_mac_lane_qualifiers, MAC_LANE_QUALIFIERS): New.
        (arm_setlane_qualifiers): Use qualifier_lane_index.
        (arm_ternop_imm_qualifiers, TERNOP_IMM_QUALIFIERS): New.
        (enum builtin_arg): Add NEON_ARG_LANE_INDEX.
        (arm_expand_neon_args): Handle NEON_ARG_LANE_INDEX.
        (arm_expand_neon_builtin): Handle qualifier_lane_index.

        * config/arm/arm-protos.h (neon_lane_bounds): Add const_tree parameter.
        * config/arm/arm.c (bounds_check): Likewise, improve error message.
        (neon_lane_bounds, neon_const_bounds): Add arguments to bounds_check.
        * config/arm/arm_neon_builtins.def (vshrs_n, vshru_n, vrshrs_n,
        vrshru_n, vshrn_n, vrshrn_n, vqshrns_n, vqshrnu_n, vqrshrns_n,
        vqrshrnu_n, vqshrun_n, vqrshrun_n, vshl_n, vqshl_s_n, vqshl_u_n,
        vqshlu_n, vshlls_n, vshllu_n): Change qualifiers to BINOP_IMM.
        (vsras_n, vsrau_n, vrsras_n, vrsrau_n, vsri_n, vsli_n): Change
        qualifiers to TERNOP_IMM.
        (vdup_lane): Change qualifiers to GETLANE.
        (vmla_lane, vmlals_lane, vmlalu_lane, vqdmlal_lane, vmls_lane,
        vmlsls_lane, vmlslu_lane, vqdmlsl_lane): Change qualifiers to MAC_LANE.
        (vmla_n, vmlals_n, vmlalu_n, vqdmlal_n, vmls_n, vmlsls_n, vmlslu_n,
        vqdmlsl_n): Change qualifiers to MAC_N.

        * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_laneu<mode>,
        neon_vget_lanedi, neon_vget_lanev2di, neon_vset_lane<mode>,
        neon_vset_lanedi, neon_vdup_lane<mode>, neon_vdup_lanedi,
        neon_vdup_lanev2di, neon_vmul_lane<mode>, neon_vmul_lane<mode>,
        neon_vmull<sup>_lane<mode>, neon_vqdmull_lane<mode>,
        neon_vq<r>dmulh_lane<mode>, neon_vq<r>dmulh_lane<mode>,
        neon_vmla_lane<mode>, neon_vmla_lane<mode>, neon_vmlal<sup>_lane<mode>,
        neon_vqdmlal_lane<mode>, neon_vmls_lane<mode>, neon_vmls_lane<mode>,
        neon_vmlsl<sup>_lane<mode>, neon_vqdmlsl_lane<mode>):
        Remove call to neon_lane_bounds.

2015-07-27  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
        Place integer variant first.

2015-07-27  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm-arches.def: Add "armv6kz". Replace 6ZK with 6KZ
        and FL_FOR_ARCH6ZK with FL_FOR_ARCH6KZ.
        * config/arm/arm-c.c (arm_cpu_builtins): Emit "__ARM_ARCH_6ZK__"
        for armv6kz targets.
        * config/arm/arm-cores.def: Replace 6ZK with 6KZ.
        * config/arm/arm-protos.h (FL_ARCH6KZ): New.
        (FL_FOR_ARCH6ZK): Remove.
        (FL_FOR_ARCH6KZ): New.
        (arm_arch6zk): New declaration.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm.c (arm_arch6kz): New.
        (arm_option_override): Set arm_arch6kz.
        * config/arm/arm.h (BASE_ARCH_6ZK): Rename to BASE_ARCH_6KZ.
        * config/arm/driver-arm.c: Add comment to "armv6zk" entry.
        * doc/invoke.texi: Replace "armv6zk" with "armv6kz".

2015-07-27  Marek Polacek  <polacek@redhat.com>

        PR c++/66555
        PR c/54979
        * doc/invoke.texi: Document -Wtautological-compare.

2015-07-27  Richard Biener  <rguenther@suse.de>

        * genmatch.c (decision_tree::gen_gimple): Split out large
        subtrees into separate functions.
        (decision_tree::gen_generic): Likewise.

2015-07-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c: Use SUBREG_P predicate.
        * config/alpha/predicates.md: Ditto.

2015-07-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config.host (s390*-*-*): Include driver-native.c only when
        building with s390* as host *and* target.

2015-07-25  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/66930
        * config/sh/sh.c (sh_split_movrt_negc_to_movt_xor): Add missing
        T bit register modified_between_p check.

2015-07-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c: Use SUBREG_P predicate.
        * config/i386/i386.md: Ditto.
        * config/i386/sse.md: Ditto.
        * config/i386/predicates.md: Ditto.

2015-07-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/67004
        * config/i386/i386.h (ADJUST_INSN_LENGTH): Use NONDEBUG_INSN_P (INSN)
        predicate and INSN_CODE (INSN) >= 0 to check for valid instruction.

2015-07-25  Sebastian Pop  <s.pop@samsung.com>

        * Makefile.in: Remove use of TREEBROWSER.
        * config.in: Regenerated.
        * configure: Regenerated.
        * configure.ac: Remove definition of TREEBROWSER.
        * tree-browser.c: Removed.
        * tree-browser.def: Removed.

2015-07-25  Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c: Include gimple-pretty-print.h.
        (stmt_simple_for_scop_p): Print when a stmt is not handled in
        Graphite.
        (scopdet_basic_block_info): Print when a loop or bb cannot be
        represented in Graphite.

2015-07-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66648
        * config/i386/i386.c (ix86_expand_set_or_movmem): Emit main loop
        execution guard when min_size is less than size_needed.

2015-07-25  Sebastian Pop  <s.pop@samsung.com>

        * doc/install.texi: Document supported versions of ISL.

2015-07-25  Jeff Law  <law@redhat.com>

        Revert:
        PR lto/66752
        * tree-ssa-threadedge.c (simplify_conrol_stmt_condition): If we are
        unable to find X NE 0 in the tables, return X as the simplified
        condition.
        (fsm_find_control_statement_thread_paths): If nodes in NEXT_PATH are
        in VISISTED_BBS, then return failure.  Else add nodes from NEXT_PATH
        to VISISTED_BBS.  */
        * tree-ssa-threadupdate.c (duplicate_thread_path): Fix up edge flags
        after removing the control flow statement and unnecessary edges.

2015-07-25  David Edelsohn  <dje.gcc@gmail.com>

        Revert:
        2015-07-23  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/64164
        * Makefile.in (OBJS): Drop tree-ssa-copyrename.o.
        * tree-ssa-copyrename.c: Removed.
        * opts.c (default_options_table): Drop -ftree-copyrename.  Add
        -ftree-coalesce-vars.
        * passes.def: Drop all occurrences of pass_rename_ssa_copies.
        * common.opt (ftree-copyrename): Ignore.
        (ftree-coalesce-inlined-vars): Likewise.
        * doc/invoke.texi: Remove the ignored options above.
        * gimple-expr.h (gimple_can_coalesce_p): Move declaration
        * tree-ssa-coalesce.h: ... here.
        * tree-ssa-uncprop.c: Include tree-ssa-coalesce.h and other
        headers required by it.
        * gimple-expr.c (gimple_can_coalesce_p): Allow coalescing
        across variables when flag_tree_coalesce_vars.  Check register
        use and promoted modes to allow coalescing.  Moved to
        tree-ssa-coalesce.c.
        * tree-ssa-live.c (struct tree_int_map_hasher): Move along
        with its member functions to tree-ssa-coalesce.c.
        (var_map_base_init): Likewise.  Renamed to
        compute_samebase_partition_bases.
        (partition_view_normal): Drop want_bases parameter.
        (partition_view_bitmap): Likewise.
        * tree-ssa-live.h: Adjust declarations.
        * tree-ssa-coalesce.c: Include explow.h.
        (build_ssa_conflict_graph): Process PARM_ and RESULT_DECLs's
        default defs at the entry point.
        (dump_part_var_map): New.
        (compute_optimized_partition_bases): New, called by...
        (coalesce_ssa_name): ... when flag_tree_coalesce_vars, instead
        of compute_samebase_partition_bases.  Adjust.
        * alias.c (nonoverlapping_memrefs_p): Disregard gimple-regs.
        * cfgexpand.c (leader_merge): New.
        (get_rtl_for_parm_ssa_default_def): New.
        (set_rtl): Merge exprs and attrs, even for MEMs and non-SSA
        vars.  Update DECL_RTL for PARM_DECLs and RESULT_DECLs too.
        (expand_one_stack_var_at): Handle anonymous SSA_NAMEs.  Drop
        redundant MEM attr setting.
        (expand_one_stack_var_1): Handle anonymous SSA_NAMEs.  Renamed
        from...
        (expand_one_stack_var): ... this.  New wrapper to check and
        skip already expanded SSA partitions.
        (record_alignment_for_reg_var): New, factored out of...
        (expand_one_var): ... this.
        (expand_one_ssa_partition): New.
        (adjust_one_expanded_partition_var): New.
        (expand_one_register_var): Check and skip already expanded SSA
        partitions.
        (expand_used_vars): Don't create DECLs for anonymous SSA
        names.  Expand all SSA partitions, then adjust all SSA names.
        (pass::execute): Replace the loops that set
        SA.partition_to_pseudo from partition leaders and cleared
        DECL_RTL for multi-location variables, and that which used to
        rename vars and set attrs, with one that clears DECL_RTL and
        checks that PARMs and RESULTs default_defs match DECL_RTL.
        * cfgexpand.h (get_rtl_for_parm_ssa_default_def): Declare.
        * emit-rtl.c (set_reg_attrs_for_parm): Handle NULL decl.
        * explow.c (promote_ssa_mode): New.
        * explow.h (promote_ssa_mode): Declare.
        * expr.c (expand_expr_real_1): Handle anonymous SSA_NAMEs.
        * function.c: Include cfgexpand.h.
        (use_register_for_decl): Handle SSA_NAMEs, anonymous or not.
        (use_register_for_parm_decl): Wrapper for the above to
        special-case the result_ptr.
        (rtl_for_parm): Ditto for get_rtl_for_parm_ssa_default_def.
        (split_complex_args): Take assign_parm_data_all argument.
        Pass it to rtl_for_parm.  Set up rtl and context for split
        args.
        (assign_parms_augmented_arg_list): Adjust.
        (maybe_reset_rtl_for_parm): Reset DECL_RTL of parms with
        multiple locations.  Recognize split complex args.
        (assign_parm_adjust_stack_rtl): Add all and parm arguments,
        for rtl_for_parm.  For SSA-assigned parms, zero stack_parm.
        (assign_parm_setup_block): Prefer SSA-assigned location.
        (assign_parm_setup_reg): Likewise.  Use entry_parm for equiv
        if stack_parm is NULL.
        (assign_parm_setup_stack): Prefer SSA-assigned location.
        (assign_parms): Maybe reset DECL_RTL of params.  Adjust stack
        rtl before testing for pointer bounds.  Special-case result_ptr.
        (expand_function_start): Maybe reset DECL_RTL of result.
        Prefer SSA-assigned location for result and static chain.
        Factor out DECL_RESULT and SET_DECL_RTL.
        * tree-outof-ssa.c (insert_value_copy_on_edge): Handle
        anonymous SSA names.  Use promote_ssa_mode.
        (get_temp_reg): Likewise.
        (remove_ssa_form): Adjust.
        * stor-layout.c (layout_decl): Don't set mem attributes of
        non-MEMs.
        * var-tracking.c (dataflow_set_clear_at_call): Take call_insn
        and get its reg_usage for reg invalidation.
        (compute_bb_dataflow): Pass it insn.
        (emit_notes_in_bb): Likewise.

2015-07-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_va_start): Remove
        unneeded !TARGET_64BIT check.
        (ix86_gimplify_va_arg): Ditto.

2015-07-24  Tom de Vries  <tom@codesourcery.com>

        * graphite-sese-to-poly.c (build_poly_scop): Always call
        rewrite_commutative_reductions_out_of_ssa.

2015-07-24  Tom de Vries  <tom@codesourcery.com>

        * graphite-sese-to-poly.c (is_reduction_operation_p): Limit
        flag_associative_math to FLOAT_TYPE_P.  Honour
        TYPE_OVERFLOW_WRAPS for INTEGRAL_TYPE_P. Don't allow any other types.

2015-07-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/64079
        * toplev.c (check_global_declaration): Use DECL_SOURCE_LOCATION
        and "%qD" in warning_at instead of "%q+D" in warning.

2015-07-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_call_abi_override): Call ix86_function_abi.
        (ix86_function_abi): Cleanup.

2015-07-24  Michael Darling  <darlingm@gmail.com>

        PR other/66259
        * acinclude.m4: Reflects renaming of configure.in to configure.ac
        * configure: Likewise
        * configure.ac: Likewise
        * doc/install.texi: Likewise
        * doc/tm.texi: Likewise
        * doc/tm.texi.in: Likewise

2015-07-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * alias.c (nonoverlapping_memrefs_p): Use std::swap instead of
        manually swapping values.
        * cse.c (fold_rtx): Likewise.
        * lra-eliminations.c (form_sum): Likewise.

2015-07-24  Uros Bizjak  <ubizjak@gmail.com>

        PR target/64003
        * config/i386/i386.h (ADJUST_INSN_LENGTH): New define.
        * config/i386/i386.md (maybe_prefix_bnd): New attribute.
        (*jcc_1, *jcc_2, jump, simple_return_internal)
        (simple_return_pop_internal): Set attribute maybe_prefix_bnd.
        Set length_nobnd attribute instead of length attribute.
        (indirect_jump, *tablejump_1): Set attribute maybe_prefix_bnd.
        (length_nobnd): Remove attribute.
        (length): Remove length_nobnd processing.

2015-07-24  Nathan Sidwell  <nathan@codesourcery.com>

        * gimplify.c (omp_default_clause): New function.  Reorganize flow
        for clarity. Broken out of ...
        (omp_notice_variable): ... here.

2015-07-24  Gary Funck  <gary@intrepid.com>

        PR middle-end/66984
        * fold-const.c (fold_binary_loc): Call fold_convert on arguments to
        fold_build2 for CEIL_DIV_EXPR and FLOOR_DIV_EXPR optimization.

2015-07-24  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (gen_parallel_loop): Add debug print for alternative
        exit-first loop transform.

2015-07-24  Cesar Philippidis  <cesar@codesourcery.com>

        PR 66714
        * tree-cfg.c (struct replace_decls_d): New struct.
        (replace_block_vars_by_duplicates_1): New function.
        (replace_block_vars_by_duplicates): Use it to replace the decls
        in the value exprs by duplicates.

2015-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/aarch64/aarch64-elf-raw.h (LINK_SPEC): Handle -h, -static,
        -shared, -symbolic, -rdynamic.

2015-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/65711
        * config/aarch64/aarch64-linux.h (LINUX_TARGET_LINK_SPEC): Move
        -dynamic-linker within %{!static %{!shared, and -rdynamic within
        %{!static.

2015-07-24  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR ipa/66566
        * ipa-inline-analysis.c (estimate_calls_size_and_time): Check
        edge summary is available.

2015-07-24  Richard Biener  <rguenther@suse.de>

        * genmatch.c (struct dt_node): Add statistic fields.
        (dt_node::analyze): New method.
        (decision_tree::gen_gimple): Call analyze on the root node
        and print statistics to stderr.
        (decision_tree::gen_generic): Likewise.

2015-07-24  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Move simplifying of comparisons
        against the highest or lowest possible integer ...
        * match.pd: ... as patterns here.

2015-07-24  Richard Biener  <rguenther@suse.de>

        * genmatch.c (struct capture_info): Add same_as field.
        (capture_info::capture_info): Initialize same_as.
        (capture_info::walk_match): Compute same_as.
        (capture_info::walk_result): Compute stuff for the leader.
        (capture_info::walk_c_expr): Likewise.
        (dt_simplify::gen_1): Only look at leaders when deciding
        to force no side-effects or emit side-effects of omitted operands.

2015-07-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_save_gprs_to_fprs): Add CFA_REGISTER
        reg note to the GPR -> FPR save instructions.

2015-07-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_rtx_costs): Make risbg patterns
        cheaper.
        (s390_expand_insv): Don't generate risbg pattern for constant zero
        sources.
        * config/s390/s390.md ("*insv<mode>_zEC12_appendbitsleft")
        ("*insv<mode>_z10_appendbitsleft"): New pattern definitions.  New
        splitters.

2015-07-24  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_reorg): Clean up handling of processors
        with
        -mtune=
        (s390_issue_rate): Likewise.
        (s390_sched_reorder): Likewise.
        (s390_sched_variable_issue): Likewise.
        (s390_loop_unroll_adjust): Likewise.
        (s390_option_override):  Likewise.

2015-07-24  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/driver-native.c (s390_host_detect_local_cpu): Handle
        processor capabilities with -march=native.
        * config/s390/s390.h (MARCH_MTUNE_NATIVE_SPECS): Likewise.
        (DRIVER_SELF_SPECS): Likewise.  Join specs for 31 and 64 bit.
        (S390_TARGET_BITS_STRING): Macro to simplify specs.

2015-07-24  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_issue_rate): Handle
        PROCESSOR_2094_Z9_EC.
        (s390_option_override): Likewise.
        (s390_adjust_priority): Likewise.

2015-07-24  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.h: S390: Do not define EXTRA_SPEC_FUNCTIONS
        when cross compiling.

2015-07-24  Richard Biener  <rguenther@suse.de>

        * fold-const.c (maybe_canonicalize_comparison_1): Move
        A code CST canonicalization ...
        * match.pd: ... to a pattern here.

2015-07-24  Jiong Wang  <jiong.wang@arm.com>

        Revert:
        2015-07-22  Jiong Wang  <jiong.wang@arm.com>
        PR target/63521
        * config/aarch64/aarch64.h (REG_ALLOC_ORDER): Define.
        (HONOR_REG_ALLOC_ORDER): Define.

2015-07-24  Richard Biener  <rguenther@suse.de>

        * genmatch.c (add_operator): Allow SSA_NAME as predicate.
        * fold-const.c (fold_comparison): Move parameter does not
        alias &local simplification ...
        * match.pd: ... as a pattern here.

2015-07-24  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (replace_stmt_with_simplification): Special-case
        valueizing call operands.
        * gimple-match-head.c (maybe_push_res_to_seq): Take
        number of call arguments from ops array.
        (do_valueize): New function.
        (gimple_simplify): Return true if valueization changed
        any operand even if the result didn't simplify further.

2015-07-24  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        PR middle-end/25530
        * match.pd (mult (trunc_div @0 integer_pow2p@1) @1) : New simplifier.

2015-07-24  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        PR middle-end/25529
        * match.pd (trunc_div (mult @0 integer_pow2p@1) @1) : New simplifier.

2015-07-23  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * config/arm/arm.c (arm_emit_movpair): Add REG_EQUAL notes to
        instruction.

2015-07-23  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * cse.c (cse_insn): Fix missing check for STRICT_LOW_PART and minor
        clean up.

2015-07-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_build_builtin_va_list_64): Rename
        from ix86_build_builtin_va_list_abi.  Handle only 64bit non-MS_ABI
        targets here.
        (ix86_build_builtin_va_list): Rewrite sysv_va_list_type_node and
        ms_va_list_type_node initialization.

2015-07-23  Jeff Law  <law@redhat.com>

        PR lto/66752
        * tree-ssa-threadedge.c (simplify_conrol_stmt_condition): If we are
        unable to find X NE 0 in the tables, return X as the simplified
        condition.
        (fsm_find_control_statement_thread_paths): If nodes in NEXT_PATH are
        in VISISTED_BBS, then return failure.  Else add nodes from NEXT_PATH
        to VISISTED_BBS.  */
        * tree-ssa-threadupdate.c (duplicate_thread_path): Fix up edge flags
        after removing the control flow statement and unnecessary edges.

2015-07-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * tree-pass.h (get_current_pass_name): Removed.

2015-07-23  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/64164
        * Makefile.in (OBJS): Drop tree-ssa-copyrename.o.
        * tree-ssa-copyrename.c: Removed.
        * opts.c (default_options_table): Drop -ftree-copyrename.  Add
        -ftree-coalesce-vars.
        * passes.def: Drop all occurrences of pass_rename_ssa_copies.
        * common.opt (ftree-copyrename): Ignore.
        (ftree-coalesce-inlined-vars): Likewise.
        * doc/invoke.texi: Remove the ignored options above.
        * gimple-expr.h (gimple_can_coalesce_p): Move declaration
        * tree-ssa-coalesce.h: ... here.
        * tree-ssa-uncprop.c: Include tree-ssa-coalesce.h and other
        headers required by it.
        * gimple-expr.c (gimple_can_coalesce_p): Allow coalescing
        across variables when flag_tree_coalesce_vars.  Check register
        use and promoted modes to allow coalescing.  Moved to
        tree-ssa-coalesce.c.
        * tree-ssa-live.c (struct tree_int_map_hasher): Move along
        with its member functions to tree-ssa-coalesce.c.
        (var_map_base_init): Likewise.  Renamed to
        compute_samebase_partition_bases.
        (partition_view_normal): Drop want_bases parameter.
        (partition_view_bitmap): Likewise.
        * tree-ssa-live.h: Adjust declarations.
        * tree-ssa-coalesce.c: Include explow.h.
        (build_ssa_conflict_graph): Process PARM_ and RESULT_DECLs's
        default defs at the entry point.
        (dump_part_var_map): New.
        (compute_optimized_partition_bases): New, called by...
        (coalesce_ssa_name): ... when flag_tree_coalesce_vars, instead
        of compute_samebase_partition_bases.  Adjust.
        * alias.c (nonoverlapping_memrefs_p): Disregard gimple-regs.
        * cfgexpand.c (leader_merge): New.
        (get_rtl_for_parm_ssa_default_def): New.
        (set_rtl): Merge exprs and attrs, even for MEMs and non-SSA
        vars.  Update DECL_RTL for PARM_DECLs and RESULT_DECLs too.
        (expand_one_stack_var_at): Handle anonymous SSA_NAMEs.  Drop
        redundant MEM attr setting.
        (expand_one_stack_var_1): Handle anonymous SSA_NAMEs.  Renamed
        from...
        (expand_one_stack_var): ... this.  New wrapper to check and
        skip already expanded SSA partitions.
        (record_alignment_for_reg_var): New, factored out of...
        (expand_one_var): ... this.
        (expand_one_ssa_partition): New.
        (adjust_one_expanded_partition_var): New.
        (expand_one_register_var): Check and skip already expanded SSA
        partitions.
        (expand_used_vars): Don't create DECLs for anonymous SSA
        names.  Expand all SSA partitions, then adjust all SSA names.
        (pass::execute): Replace the loops that set
        SA.partition_to_pseudo from partition leaders and cleared
        DECL_RTL for multi-location variables, and that which used to
        rename vars and set attrs, with one that clears DECL_RTL and
        checks that PARMs and RESULTs default_defs match DECL_RTL.
        * cfgexpand.h (get_rtl_for_parm_ssa_default_def): Declare.
        * emit-rtl.c (set_reg_attrs_for_parm): Handle NULL decl.
        * explow.c (promote_ssa_mode): New.
        * explow.h (promote_ssa_mode): Declare.
        * expr.c (expand_expr_real_1): Handle anonymous SSA_NAMEs.
        * function.c: Include cfgexpand.h.
        (use_register_for_decl): Handle SSA_NAMEs, anonymous or not.
        (use_register_for_parm_decl): Wrapper for the above to
        special-case the result_ptr.
        (rtl_for_parm): Ditto for get_rtl_for_parm_ssa_default_def.
        (split_complex_args): Take assign_parm_data_all argument.
        Pass it to rtl_for_parm.  Set up rtl and context for split
        args.
        (assign_parms_augmented_arg_list): Adjust.
        (maybe_reset_rtl_for_parm): Reset DECL_RTL of parms with
        multiple locations.  Recognize split complex args.
        (assign_parm_adjust_stack_rtl): Add all and parm arguments,
        for rtl_for_parm.  For SSA-assigned parms, zero stack_parm.
        (assign_parm_setup_block): Prefer SSA-assigned location.
        (assign_parm_setup_reg): Likewise.  Use entry_parm for equiv
        if stack_parm is NULL.
        (assign_parm_setup_stack): Prefer SSA-assigned location.
        (assign_parms): Maybe reset DECL_RTL of params.  Adjust stack
        rtl before testing for pointer bounds.  Special-case result_ptr.
        (expand_function_start): Maybe reset DECL_RTL of result.
        Prefer SSA-assigned location for result and static chain.
        Factor out DECL_RESULT and SET_DECL_RTL.
        * tree-outof-ssa.c (insert_value_copy_on_edge): Handle
        anonymous SSA names.  Use promote_ssa_mode.
        (get_temp_reg): Likewise.
        (remove_ssa_form): Adjust.
        * stor-layout.c (layout_decl): Don't set mem attributes of
        non-MEMs.
        * var-tracking.c (dataflow_set_clear_at_call): Take call_insn
        and get its reg_usage for reg invalidation.
        (compute_bb_dataflow): Pass it insn.
        (emit_notes_in_bb): Likewise.

2015-07-23  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/66217
        * config/rs6000/rs6000-protos.h (rs6000_emit_2insn_and): Change
        prototype.
        * config/rs6000/rs6000.c (rs6000_emit_dot_insn): New function.
        (rs6000_emit_2insn_and): Handle dot forms.
        * config/rs6000/rs6000.md (and<mode>3): Adjust.
        (*and<mode>3_2insn): Remove TODO.  Adjust.  Add "type" attr.
        (*and<mode>3_2insn_dot, *and<mode>3_2insn_dot2): New.

2015-07-23  Richard Biener  <rguenther@suse.de>

        * generic-match-head.c: Include cgraph.h.
        * gimple-match-head.c: Likewise.
        * tree-ssa-sccvn.c (free_scc_vn): Guard against newly created
        SSA names.
        * fold-const.c (fold_binary_loc): Move &A ==/!= &B simplification...
        * match.pd: ...to a pattern here.  Add &A ==/!= 0 simplification
        pattern.

2015-07-23  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (fold_gimple_cond): Do not require folding
        results to pass valid_gimple_rhs_p.
        * tree-cfg.h (fold_cond_expr_cond): Remove.
        * tree-cfg.c (fold_cond_expr_cond): Likewise.
        (make_edges): Do not call it.
        * tree-inline.c (tree_function_versioning): Likewise.

2015-07-23  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (gather_scalar_reductions): Add arg to call to
        vect_force_simple_reduction.
        * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Same.
        (vect_is_simple_reduction_1): Add and handle
        need_wrapping_integral_overflow parameter.
        (vect_is_simple_reduction, vect_force_simple_reduction): Add and pass
        need_wrapping_integral_overflow parameter.
        (vectorizable_reduction): Add arg to call to vect_is_simple_reduction.
        * tree-vectorizer.h (vect_force_simple_reduction): Add parameter to
        decl.

2015-07-23  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR tree-optimization/66926,66951
        * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): Delete
        INNER_LOOP and fix up condition for renaming virtual operands.

2015-07-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * combine.c (try_combine): Use std::swap instead of manually
        swapping.

2015-07-23  Prachi Godbole  <prachi.godbole@imgtec.com>

        * config/mips/i6400.md: New file.
        * config/mips/mips-cpus.def (mips32r6): Change to PROCESSOR_I6400.
        (mips64r6): Likewise.
        (i6400): Define.
        * config/mips/mips-tables.opt: Regenerate.
        * config/mips/mips.c (mips_rtx_cost_data): Add I6400 processor.
        (mips_issue_rate): Add support for i6400.
        (mips_multipass_dfa_lookahead): Likewise.
        * config/mips/mips.h (TUNE_I6400): Define.
        * config/mips/mips.md: Include i6400.md.
        (processor): Add i6400.
        * doc/invoke.texi (-march=@var{arch}): Add i6400.

2015-07-23  Richard Biener  <rguenther@suse.de>

        PR middle-end/66916
        * match.pd: Guard widen and sign-change comparison simplification
        with single_use.

2015-07-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66945
        * tree-ssa-propagate.c (substitute_and_fold_dom_walker
        ::before_dom_children): Force the propagators idea of
        non-executable edges to materialize, not what the folder
        chooses.

2015-07-23  Richard Biener  <rguenther@suse.de>

        * gimple.h (gimple_cond_make_false): Use 0 != 0.
        (gimple_cond_make_true): Use 1 != 0.

2015-07-22  DJ Delorie  <dj@redhat.com>

        * config/msp430/t-msp430 (MULTILIB_DIRNAMES): Remove trailing
        slashes.

        * config/msp430/msp430.md (ashlhi3): Optimize shifts of subregs.
        (ashrhi3): Likewise.
        (lshrhi3): Likewise.
        (movhi): Take advantage of zero-extend to load small constants.
        (movpsi): Likewise.
        (and<mode>3): Likewise.
        (zero_extendqihi2): Likewise.
        (zero_extendqisi2): New.
        * config/msp430/constraints.md (N,O): New.
        * config/msp430/msp430.h (WORD_REGISTER_OPERATIONS): Define.

2015-07-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66954
        * config/i386/i386.c (get_builtin_code_for_version): Add P_AES
        to enum feature_priority and feature_list.
        (fold_builtin_cpu): Add F_AES to enum processor_features
        and isa_names_table.

2015-07-22  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR driver/66737
        * config/i386/linux-common.h (MPX_SPEC): Use linker option
        for 64bit target only.

2015-07-22  Bernd Schmidt  <bernds@codesourcery.com>

        * config/nvptx/nvptx.c: Expand some comments.

2015-07-22  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/cortex-a53 (cortex_53_advsimd): Rename to...
        (cortex_a53_advsimd): ...This.

2015-07-22  Richard Biener  <rguenther@suse.de>

        * genmatch.c (expr::gen_transform): Clarify error message
        and display location.

2015-07-22  Richard Biener  <rguenther@suse.de>

        * genmatch.c (struct operand): Add location member.
        (predicate, expr, c_expr, capture, if_expr, with_expr): Adjust
        constructors.
        (struct simplify): Remove match_location and result_location
        members.
        (elsehwere): Adjust.

2015-07-22  Prachi Godbole  <prachi.godbole@imgtec.com>

        * config/mips/m5100.md: New file.
        * config/mips/mips-cpus.def (m5100, m5101): Define.
        * config/mips/mips-tables.opt: Regenerate.
        * config/mips/mips.c (mips_rtx_cost_data): Add costs for m5100.
        * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Map -march=m5100 and
        -march=m5101 to -mips32r5.
        (MIPS_ARCH_FLOAT_SPEC): Map -m5101 to -msoft-float.
        (MIPS_ISA_NAN2008_SPEC): Map -march=m51* to -mnan=2008 if
        !-msoft-float.
        * config/mips/mips.md: Include m5100.md.
        (processor): Add m5100.
        * doc/invoke.texi (-march=@var{arch}): Add m5100, m5101.

2015-07-22  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips-cpus.def (interaptiv): Define.
        * config/mips/mips-tables.opt: Regenerate.
        * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Map -march=interaptiv to
        -mips32r2.
        (BASE_DRIVER_SELF_SPECS): Likewise but map to -mdsp.
        * doc/invoke.texi (-march=@var{arch}): Add interaptiv.

2015-07-22  Jiong Wang  <jiong.wang@arm.com>

        PR target/63521
        * config/aarch64/aarch64.h (REG_ALLOC_ORDER): Define.
        (HONOR_REG_ALLOC_ORDER): Define.

2015-07-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66952
        * tree-ssa-ifcombine.c (pass_tree_ifcombine::execute): For
        blocks we end up executing unconditionally reset all SSA
        info such as range and alignment.
        * tree-ssanames.h (reset_flow_sensitive_info): Declare.
        * tree-ssanames.c (reset_flow_sensitive_info): New function.

2015-07-22  Charles Baylis  <charles.baylis@linaro.org>

        * config/aarch64/aarch64-simd.md (vec_store_lanesoi_lane<mode>): Fix
        typo in attribute.

2015-07-22  Richard Biener  <rguenther@suse.de>

        * genmatch.c (parser::parse_result): Properly handle
        match with result operands and conditions.

2015-07-22  Charles Baylis  <charles.baylis@linaro.org>

        PR target/63870
        * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
        Add qualifier_struct_load_store_lane_index.
        (aarch64_types_loadstruct_lane_qualifiers): Use
        qualifier_struct_load_store_lane_index for lane index argument for
        last argument.
        (aarch64_types_storestruct_lane_qualifiers): Ditto.
        (builtin_simd_arg): Add SIMD_ARG_STRUCT_LOAD_STORE_LANE_INDEX.
        (aarch64_simd_expand_args): Add new argument describing mode of
        builtin. Check lane bounds for arguments with
        SIMD_ARG_STRUCT_LOAD_STORE_LANE_INDEX.
        (aarch64_simd_expand_builtin): Emit error for incorrect lane indices
        if marked with SIMD_ARG_STRUCT_LOAD_STORE_LANE_INDEX.
        (aarch64_simd_expand_builtin): Handle arguments with
        qualifier_struct_load_store_lane_index. Pass machine mode of builtin to
        aarch64_simd_expand_args.
        * config/aarch64/aarch64-simd-builtins.def: Declare ld[234]_lane and
        vst[234]_lane with BUILTIN_VALLDIF.
        * config/aarch64/aarch64-simd.md:
        (aarch64_vec_load_lanesoi_lane<mode>): Use VALLDIF iterator. Perform
        endianness reversal on lane index.
        (aarch64_vec_load_lanesci_lane<mode>): Ditto.
        (aarch64_vec_load_lanesxi_lane<mode>): Ditto.
        (vec_store_lanesoi_lane<mode>): Use VALLDIF iterator.
        (vec_store_lanesci_lane<mode>): Ditto.
        (vec_store_lanesxi_lane<mode>): Ditto.
        (aarch64_ld2_lane<mode>): Use VALLDIF iterator. Remove endianness
        reversal of lane index.
        (aarch64_ld3_lane<mode>): Ditto.
        (aarch64_ld4_lane<mode>): Ditto.
        (aarch64_st2_lane<mode>): Ditto.
        (aarch64_st3_lane<mode>): Ditto.
        (aarch64_st4_lane<mode>): Ditto.
        * config/aarch64/arm_neon.h (__LD2_LANE_FUNC): Rename mode parameter
        to qmode. Add new mode parameter. Update uses.
        (__LD3_LANE_FUNC): Ditto.
        (__LD4_LANE_FUNC): Ditto.
        (__ST2_LANE_FUNC): Ditto.
        (__ST3_LANE_FUNC): Ditto.
        (__ST4_LANE_FUNC): Ditto.

2015-07-22  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (Language Independent Options): Rename node to
        Diagnostic Message Formatting Options.

2015-07-21  Vladimir Makarov  <vmakarov@redhat.com>

        PR ipa/66424.
        * lra-remat.c (operand_to_remat): Prevent using insns with input
        subregs processed separately by IRA.

2015-07-21  Andrew MacLeod  <amacleod@redhat.com>

        * ssa-iterators.h (has_zero_uses, has_single_use): Implement as
        straight loops.
        (single_imm_use): Check for iterator node.
        (num_imm_uses): Likewise.
        * tree-ssa-operands.c (has_zero_uses_1): Delete.
        (single_imm_use_1): Check for iterator node.

2015-07-21  Mike Frysinger  <vapier@gentoo.org>
            Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * configure.ac: Add check for new options in isl-0.15.
        * config.in, configure: Rebuilt.
        * graphite-blocking.c: Include <isl/constraint.h>
        * graphite-interchange.c,  graphite-poly.c: Likewise.
        * graphhite-scop-detection.c, graphite-sese-to-poly.c: Likewise.
        * graphite.c: Likewise.
        * graphite-isl-ast-to-gimple.c: Include <isl/constraint.h> and
        <isl/union_set.h>.
        * graphite-dependences.c: Include <isl/constraint.h>.
        (max_number_of_out_dimensions): Returns isl_stat.
        (extend_schedule_1): Likewise
        (extend_schedule): Corresponding changes.
        * graphite-optimize-isl.c: Include <isl/constraint.h> and
        <isl/union_set.h>.
        (getSingleMap): Change return type of isl_stat.
        (optimize_isl): Conditionally use
        isl_options_set_schedule_serialize_sccs.
        * graphite-poly.h (isl_stat, isl_stat_ok): Define fallbacks
        if not HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS.

2015-07-21  Georg-Johann Lay  <avr@gjlay.de>

        PR target/66956
        * config/avr/avr-dimode.md (<extend_u>mulsidi3_insn)
        (<extend_u>mulsidi3): Don't use if !AVR_HAVE_MUL.

2015-07-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66948
        * genmatch.c (capture_info::walk_match): Also recurse to
        captures.  Properly compute expr state from captures of
        captures.
        * match.pd: Add single-use guards to
        (X & C2) >> C1 into (X >> C1) & (C2 >> C1) transform.

2015-07-21  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/mkoffload.c (process): Add static destructor call.

2015-07-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR middle-end/66915
        * match.pd (A - B -> A + (-B)): Don't allow folding
        when type if a fixed-point type.

2015-07-20  DJ Delorie  <dj@redhat.com>

        * config/rl78/rl78-real.md (andqi3_real): Expand operands for clr1.
        (iorqi3_real): Likewise for set1.

2015-07-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_md_asm_adjust): Handle DImode dest_mode
        for !TARGET_64BIT.

2015-07-20  Aditya Kumar  <hiraditya@msn.com>

        * graphite-isl-ast-to-gimple.c:
        Refactor so that each function can access 'region'. This will help
        maintain a parameter rename_map within a region.

2015-07-20  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (*lt0_disi): New.

2015-07-20  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/66217
        * config/rs6000/constraints.md ("S", "T", "t"): Delete.  Update
        "available letters" comment.
        * config/rs6000/predicates.md (mask_operand, mask_operand_wrap,
        mask64_operand, mask64_2_operand, any_mask_operand, and64_2_operand,
        and_2rld_operand):  Delete.
        (and_operand): Adjust.
        (rotate_mask_operator): New.
        * config/rs6000/rs6000-protos.h (build_mask64_2_operands,
        includes_lshift_p, includes_rshift_p, includes_rldic_lshift_p,
        includes_rldicr_lshift_p, insvdi_rshift_rlwimi_p, extract_MB,
        extract_ME): Delete.
        (rs6000_is_valid_mask, rs6000_is_valid_and_mask,
        rs6000_is_valid_shift_mask, rs6000_is_valid_insert_mask,
        rs6000_insn_for_and_mask, rs6000_insn_for_shift_mask,
        rs6000_insn_for_insert_mask, rs6000_is_valid_2insn_and,
        rs6000_emit_2insn_and): New.
        * config/rs6000/rs6000.c (num_insns_constant): Adjust.
        (build_mask64_2_operands, includes_lshift_p, includes_rshift_p,
        includes_rldic_lshift_p, includes_rldicr_lshift_p,
        insvdi_rshift_rlwimi_p, extract_MB, extract_ME): Delete.
        (rs6000_is_valid_mask, rs6000_is_valid_and_mask,
        rs6000_insn_for_and_mask, rs6000_is_valid_shift_mask,
        s6000_insn_for_shift_mask, rs6000_is_valid_insert_mask,
        rs6000_insn_for_insert_mask, rs6000_is_valid_2insn_and,
        rs6000_emit_2insn_and): New.
        (print_operand) <'b', 'B', 'm', 'M', 's', 'S', 'W'>: Delete.
        (rs6000_rtx_costs) <CONST_INT>: Delete mask_operand and mask64_operand
        handling.
        <NOT>: Don't fall through to next case.
        <AND>: Handle the various rotate-and-mask cases directly.
        <IOR>: Always cost as one insn.
        * config/rs6000/rs6000.md (splitter for bswap:SI): Adjust.
        (and<mode>3): Adjust expander for the new patterns.
        (and<mode>3_imm, and<mode>3_imm_dot, and<mode>3_imm_dot2,
        and<mode>3_imm_mask_dot, and<mode>3_imm_mask_dot2): Adjust condition.
        (*and<mode>3_imm_dot_shifted): New.
        (*and<mode>3_mask): Delete, rewrite as ...
        (and<mode>3_mask): ... New.
        (*and<mode>3_mask_dot, *and<mode>3_mask_dot): Rewrite.
        (andsi3_internal0_nomc): Delete.
        (*andsi3_internal6): Delete.
        (*and<mode>3_2insn): New.
        (insv, insvsi_internal, *insvsi_internal1, *insvsi_internal2,
        *insvsi_internal3, *insvsi_internal4, *insvsi_internal5,
        *insvsi_internal6, insvdi_internal, *insvdi_internal2,
        *insvdi_internal3): Delete.
        (*rotl<mode>3_mask, *rotl<mode>3_mask_dot, *rotl<mode>3_mask_dot2,
        *rotl<mode>3_insert, *rotl<mode>3_insert_2, *rotl<mode>3_insert_3,
        *rotl<mode>3_insert_4, two splitters for multi-precision shifts,
        *ior<mode>_mask): New.
        (extzv, extzvdi_internal, *extzvdi_internal1, *extzvdi_internal2,
        *rotlsi3_mask, *rotlsi3_mask_dot, *rotlsi3_mask_dot2,
        *ashlsi3_imm_mask, *ashlsi3_imm_mask_dot, *ashlsi3_imm_mask_dot2,
        *lshrsi3_imm_mask, *lshrsi3_imm_mask_dot, *lshrsi3_imm_mask_dot2):
        Delete.
        (ashr<mode>3): Delete expander.
        (*ashr<mode>3): Rename to ...
        (ashr<mode>3): ... This.
        (ashrdi3_no_power, *ashrdisi3_noppc64be): Delete.
        (*rotldi3_internal4, *rotldi3_internal5 and split,
        *rotldi3_internal6 and split, *ashldi3_internal4, ashldi3_internal5
        and split, *ashldi3_internal6 and split, *ashldi3_internal7,
        ashldi3_internal8 and split, *ashldi3_internal9 and split): Delete.
        (*anddi3_2rld, *anddi3_2rld_dot, *anddi3_2rld_dot2): Delete.
        (splitter for loading a mask): Adjust.
        * doc/md.texi (Machine Constraints): Remove q, S, T, t constraints.

2015-07-20  Marek Polacek  <polacek@redhat.com>

        * genemit.c (print_code, gen_exp, gen_insn, gen_expand, gen_split,
        output_add_clobbers, output_added_clobbers_hard_reg_p,
        gen_rtx_scratch): Remove declarations.

2015-07-20  Marek Polacek  <polacek@redhat.com>

        PR c++/55095
        * doc/invoke.texi: Document -Wshift-overflow and -Wshift-overflow=.

2015-07-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * simplify-rtx.c (simplify_unary_operation_1, NEG case):
        (neg (x ? (neg y) : y)) -> !x ? (neg y) : y.

2015-07-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * combine.c (combine_simplify_rtx): Move simplification step
        before various transformations/substitutions.

2015-07-20  Mikhail Maltsev  <maltsevm@gmail.com>

        * wide-int.h (struct binary_traits): Fix partial specialization syntax.
        (struct int_traits): Likewise.

2015-07-18  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * vmsdbgout.c (vmsdbgout_decl): Change name of prototyped
        function to vmsdbgout_function_decl.

2015-07-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66922
        * config/i386/i386.c (ix86_expand_pextr): Reject extractions
        from misaligned positions.
        (ix86_expand_pinsr): Reject insertions to misaligned positions.

2015-07-18  Sebastian Pop  <s.pop@samsung.com>

        PR middle-end/46851
        PR middle-end/60340
        * Makefile.in: Removed omega.o.
        * common.opt: Document flag fcheck-data-deps as deprecated.
        * doc/invoke.texi: Remove documentation for fcheck-data-deps and
        its associated params: omega-max-vars, omega-max-geqs,
        omega-max-eqs, omega-max-wild-cards, omega-hash-table-size,
        omega-max-keys, omega-eliminate-redundant-constraints.
        * doc/loop.texi: Remove all the section on Omega.
        * graphite-blocking.c: Include missing params.h: it used to be
        included through tree-data-ref.h and omega.h.
        * graphite-isl-ast-to-gimple.c: Same.
        * graphite-optimize-isl.c: Same.
        * graphite-sese-to-poly.c: Same.
        * graphite.c: Same.
        * omega.c: Remove.
        * omega.h: Remove.
        * params.def: Removed PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
        PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
        PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS, and
        PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS.
        * passes.def: Remove pass_check_data_deps.
        * tree-data-ref.c (dump_affine_function): Declare DEBUG_FUNCTION.
        (dump_conflict_function): Same.
        (dump_subscript): Same.
        (print_direction_vector): Same.
        (print_dir_vectors): Same.
        (print_lambda_vector): Same.
        (print_dist_vectors): Same.
        (dump_data_dependence_relation): Same.
        (dump_data_dependence_relations): Same.
        (dump_dist_dir_vectors): Same.
        (dump_ddrs): Same.
        (init_omega_eq_with_af): Removed.
        (omega_extract_distance_vectors): Removed.
        (omega_setup_subscript): Removed.
        (init_omega_for_ddr_1): Removed.
        (init_omega_for_ddr): Removed.
        (ddr_consistent_p): Removed.
        (compute_affine_dependence): Do not use omega to check data
        dependences.
        (compute_data_dependences_for_bb): Removed.
        (analyze_all_data_dependences): Removed.
        (tree_check_data_deps): Removed.
        * tree-data-ref.h: Do not include omega.h.
        (compute_data_dependences_for_bb): Removed.
        (tree_check_data_deps): Removed.
        * tree-ssa-loop.c (pass_check_data_deps): Removed.
        (make_pass_check_data_deps): Removed.
        * tree-ssa-phiopt.c: Include params.h.
        * tree-vect-data-refs.c: Same.
        * tree-vect-slp.c: Same.

2015-07-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (pushsf splitter): Pass curr_insn to
        find_constant_src.  FAIL if find_constant_src returns NULL_RTX.
        (mem->fpreg splitters): Ditto.
        (general_operand->nonimmediate_operand splitter): Use explicit modes.
        Disable DFmode for TARGET_64BIT.

2015-07-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66906
        * config/i386/i386.c (ix86_expand_prologue): Replicate static
        chain on the stack.

2015-07-17  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/mkoffload.c (process): Constify host data.
        * config/i386/intelmic-mkoffload.c (generate_target_descr_file):
        Constify host data.
        (generate_host_descr_file): Likewise.

2015-07-17  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        PR middle-end/61929
        * graphite-dependences.c (add_pdr_constraints): Renamed
        pdr->extent to pdr->subscript_sizes.
        * graphite-interchange.c (build_linearized_memory_access): Add
        back all gcc_assert's that the "isl_int to isl_val conversion"
        patch has removed.  Refactored.
        (pdr_stride_in_loop): Renamed pdr->extent to pdr->subscript_sizes.
        * graphite-poly.c (new_poly_dr): Same.
        (free_poly_dr): Same.
        * graphite-poly.h (struct poly_dr): Same.
        * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Ignore
        all data references other than ARRAY_REF, MEM_REF, and COMPONENT_REF.
        * graphite-scop-detection.h: Fix space.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Add
        back all gcc_assert's removed by a previous patch.
        (wrap): Remove the_isl_ctx global variable that the same patch has
        added.
        (build_loop_iteration_domains): Same.
        (add_param_constraints): Same.
        (pdr_add_data_dimensions): Same.  Refactored.
        (build_poly_dr): Renamed extent to subscript_sizes.

2015-07-17  Marek Polacek  <polacek@redhat.com>

        * fold-const.c (fold_binary_loc): Move A - (A & B) into ~B & A ...
        * match.pd: ... here.

2015-07-17  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/mkoffload.c (process): Constify target data.
        * config/i386/intelmic-mkoffload.c (generate_target_descr_file):
        Constify target data.
        (generate_target_offloadend_file): Likewise.

2015-07-17  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * tree-vect-loop-manip.c (rename_variables_in_bb): Add argument
        to allow renaming of PHI arguments on edges incoming from outer
        loop header, add corresponding check before start PHI iterator.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Introduce new bool
        variable DUPLICATE_OUTER_LOOP and set it to true for outer loops
        with true force_vectorize.  Set-up dominator for outer loop too.
        Pass DUPLICATE_OUTER_LOOP as argument to rename_variables_in_bb.
        (slpeel_can_duplicate_loop_p): Allow duplicate of outer loop if it
        was marked with force_vectorize and has restricted cfg.
        (slpeel_tree_peel_loop_to_edge): Do not rename exit PHI uses in
        inner loop.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Do not
        do peeling for outer loops.

2015-07-17  Yvan Roux  <yvan.roux@linaro.org>
            Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Move AC_ARG_WITH checks for native-system-header-dir,
        build-sysroot, sysroot from the `Miscenalleous configure options' to
        the `Directories' section and strip trailing `/' from with_sysroot.
        (gcc_gxx_include_dir): Don't strip a `/' sysroot value.
        * configure: Regenerated.

2015-07-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66824
        * config/i386/i386.h (TARGET_HARD_SF_REGS): New define.
        (TARGET_HARD_DF_REGS): Ditto.
        (TARGET_HARD_XF_REGS): Ditto.
        * config/i386/i386.md (*movxf_internal): Add alternatives 9 and 10.
        Enable alternatives 9 and 10 only for !TARGET_HARD_XF_REG target.
        (*movdf_internal): Add alternatives 22, 23, 24 and 25. Enable
        alternatives 22, 23, 24 and 25 only for !TARGET_HARD_DF_REG target.
        (*movsf_internal): Add alternatives 16 and 17. Enable
        alternatives 16 and 17 only for !TARGET_HARD_SF_REG target.

2015-07-17  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/66891
        * calls.c (expand_call): Wrap precompute_register_parameters with
        NO_DEFER_POP/OK_DEFER_POP to prevent deferred pops.

2015-07-16  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/mkoffload.c (process): Constify mapping variables.
        Define target data struct and initialize it.

2015-07-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/66626
        * ira.h (emit-rtl.h): Include.
        (non_spilled_static_chain_regno_p): New.
        * ira-color.c (setup_profitable_hard_regs): Clear profitable regs
        unless it is non spilled static chain pseudo.
        (assign_hard_rego): Spill memory profitable allocno unless it is
        non spilled static chain pseudo.
        (allocno_spill_priority_compare): Put non spilled static chain
        pseudo at the end of sorted array.
        (improve_allocation): Do nothing if we have static chain and
        non-local goto.
        (allocno__priority_compare_func): Put non spilled static chain
        pseudo at the beginning of sorted array.
        (move_spill_restore): Ignore non spilled static chain pseudo.
        * ira-costs.c (find_costs_and_classes): Don't assign class NO_REGS
        to non spilled static chain pseudo.
        * lra-assigns.c (pseudo_compare_func): Put non spilled static chain
        pseudo at the beginning of sorted array.
        (spill_for): Spill non spilled static chain pseudo last.
        * lra-constraints.c (lra_constraints): Remove static chain pseudo
        check for equivalence.

2015-07-16  Martin Liska  <mliska@suse.cz>

        PR ipa/66896.
        * ipa-prop.c (update_jump_functions_after_inlining): Create properly
        dst_ctx if it does not exist.

2015-07-16  Martin Liska  <mliska@suse.cz>

        * hash-set.h (remove): New function.
        (iterator): New iteration class for hash_set.

2015-07-16  Richard Sandiford  <richard.sandiford@arm.com>

        * genattrtab.c (make_canonical): Add a file_location parameter.
        Use fatal_at rather than fatal.
        (get_attr_value): Likewise.  Update call to make_canonical.
        (fill_attr, make_length_attrs, optimize_attrs, gen_attr)
        (make_internal_attr): Update calls accordingly.

2015-07-16  Richard Sandiford  <richard.sandiford@arm.com>

        * read-md.h (message_with_line, error_with_line): Delete.
        * read-md.c (message_with_line, error_with_line): Delete.
        * gensupport.h: Include read-md.h.
        (md_rtx_info): New structure.
        (read_md_rtx): Use it.  Return a bool success value.
        * gensupport.c (read_md_rtx): Likewise.
        * genattr-common.c (gen_attr): Take an md_rtx_info rather than an rtx.
        (main): Update after interface changes.
        * genattr.c (gen_attr): Take an md_rtx_info rather than an rtx.
        (main): Update after interface changes.
        * genattrtab.c (insn_code_number): Delete.
        (optimize_attrs): Add a max_insn_code parameter and use it instead
        of insn_code_number.
        (gen_attr): Take an md_rtx_info rather than an rtx and lineno.
        Use *_at rather than *_with_line functions.
        (gen_insn): Likewise.
        (gen_delay): Likewise.
        (gen_insn_reserv): Likewise.
        (gen_bypass): Take an md_rtx_info rather than an rtx.
        (main): Update after interface changes.  Use a local max_insn_code
        variable instead of insn_code_number.
        * genautomata.c (gen_cpu_unit): Take an md_rtx_info rather than
        an rtx.  Use fatal_at rather than fatal.
        (gen_query_cpu_unit, gen_bypass, gen_excl_set)
        (gen_presence_absence_set, gen_presence_set, gen_final_presence_set)
        (gen_absence_set, gen_final_absence_set, gen_automaton)
        (gen_automata_option, gen_reserv, gen_insn_reserv): Likewise.
        (main): Update after interface changes.
        * gencodes.c (gen_insn): Take an md_rtx_info rather than an rtx
        and code number.
        (main): Update after interface changes.
        * genconditions.c (main): Use new read_md_rtx interface.
        * genconfig.c (gen_insn): Take an md_rtx_info rather than an rtx.
        (gen_expand, gen_split, gen_peephole, gen_peephole2): Likewise.
        (main): Update after interface changes.
        * genemit.c (insn_code_number, insn_index_number): Delete.
        (gen_insn): Take an md_rtx_info rather than an rtx and lineno.
        Use fatal_at rather than fatal.
        (gen_expand): Take an md_rtx_info rather than an rtx.  Use fatal_at
        rather than fatal.
        (gen_split): Likewise.
        (main): Update after interface changes.
        * genextract.c (line_no): Delete.
        (gen_insn): Take an md_rtx_info rather than an rtx and lineno.
        Update call to walk_rtx.
        (VEC_safe_set_locstr): Add an md_rtx_info argument.  Use message_at
        rather than message_with_line.
        (walk_rtx): Add an md_rtx_info argument.  Update call to
        VEC_safe_set_locstr.
        (main): Update after interface changes.
        * genflags.c (gen_insn): Take an md_rtx_info rather than an rtx
        and lineno.  Use error_at rather than separate message_with_line
        calls and have_error assignments.
        (main): Update after interface changes.
        * genmddump.c (main): Use new read_md_rtx interface.
        * genopinit.c (insn): Take an md_rtx_info rather than an rtx.
        (main): Update after interface changes.
        * genoutput.c (next_code_number): Delete.
        (gen_insn): Take an md_rtx_info rather than an rtx and lineno.
        (gen_peephole, gen_expand, gen_split): Likewise.
        (note_constraint): Likewise.  Use *_at rather than *_with_line
        functions.
        (main): Update after interface changes.
        * genpeep.c (gen_peephole): Take an md_rtx_info rather than an
        rtx and lineno.
        (main): Update after interface changes.
        * genpreds.c (process_define_predicate): Take an md_rtx_info rather
        than an rtx and lineno.
        (process_define_constraint): Likewise.
        (process_define_register_constraint): Likewise.
        (main): Update after interface changes.
        * genrecog.c (next_insn_code, pattern_lineno): Delete.
        (validate_pattern): Replace top-level rtx with an md_rtx_info.
        Use *_at rather than *_with_line functions.
        (match_pattern_2): Likewise.
        (match_pattern_1, match_pattern): Add an md_rtx_info parameter.
        (get_peephole2_pattern): Take an md_rtx_info rather than an rtvec.
        Use *_at rather than *_with_line functions.
        * gentarget-def.c (add_insn): New function.
        (main): Use it.  Use new read_md_rtx interface.

2015-07-16  Richard Sandiford  <richard.sandiford@arm.com>

        * gensupport.h (compute_test_codes): Take a file_location rather
        than a line number.
        * gensupport.c (compute_test_codes): Likewise.  Use *_at functions
        rather than *_with_line functions.
        (process_define_predicate): Update call to compute_test_codes.
        * genpreds.c (validate_exp): Take a file_location rather than a
        line number.  Use *_at functions rather than *_with_line functions.
        (process_define_predicate): Update call to validate_exp.
        (constraint_data): Replace lineno field with a file_location.
        (add_constraint): Take a file_location rather than a line number.
        Use *_at functions rather than *_with_line functions.  Fix error
        message for address constraints.  Update after changes to
        validate_exp, constraint_data and compute_test_codes.
        (process_define_constraint): Update accordingly.
        (process_define_register_constraint): Likewise.

2015-07-16  Richard Sandiford  <richard.sandiford@arm.com>

        * genoutput.c (data): Use a file_location to record the source
        position.
        (nothing): Delete.
        (idata, idata_end): Remove initialization.
        (constraint_data): Replace lineno with a file_location.
        (output_insn_data): Update after changes to data.
        (gen_insn, gen_peephole, gen_expand, gen_split): Likewise.
        (scan_operands): Likewise, using *_at rather than *_with_line
        functions.
        (process_template): Likewise.
        (validate_insn_alternatives): Likewise.
        (validate_insn_operands): Likewise.
        (validate_optab_operands): Likewise.
        (init_insn_for_nothing): Initialize idata and idata_end.
        (note_constraint): Update after changes to constraint_data,
        using at rather than with_line functions.
        (mdep_constraint_len): Take a file_location rather than a
        line number.  Use at rather than with_line functions.

2015-07-16  Richard Sandiford  <richard.sandiford@arm.com>

        * read-md.h (fatal_at): Declare.
        * read-md.c (fatal_at): New function.
        * genattrtab.c (insn_def, attr_desc, delay_desc): Use a file_location
        to record the source position.
        (check_attr_test): Take a file_location instead of a line number.
        Use fatal_at instead of fatal.
        (check_attr_value): Update after above changes, using "at"
        rather than "with_line" reporting functions.
        (convert_set_attr_alternative): Likewise.
        (gen_attr): Likewise.
        (check_defs): Likewise.  Don't assign to read_md_filename.
        (gen_insn): Update initialization after above changes.
        (gen_delay): Likewise.
        (write_insn_cases): Print the filename for a define_peephole.
        (gen_insn_reserv): Take a line number as argument and update
        the call to check_attr_test.
        (main): Pass a line number to gen_insn_reserv.

2015-07-16  Richard Sandiford  <richard.sandiford@arm.com>

        * read-md.h (file_location): New structure.
        (directive_handler_t): Take a file_location rather than a line number.
        (message_at, error_at): Declare.
        (read_skip_construct): Delete.
        * read-md.c (message_with_line_1): Replace with...
        (message_at_1): ...this new function.
        (message_at, error_at): New functions.
        (message_with_line, error_with_line): Update to use message_at_1.
        (handle_enum): Take a file_location rather than a line number
        and use error_at for error reporting.
        (handle_include): Likewise.
        (read_skip_construct): Likewise.  Make static.
        (handle_file): Update after above changes.  Pass a file_location
        rather than a line number to handle_directive.
        * gensupport.c (queue_elem): Replace separate filename and lineno
        with a file_location.
        (queue_pattern): Replace filename and lineno arguments with a
        file_location.  Update after change to queue_elem.
        (process_define_predicate): Replace lineno argument with a
        file_location and use error_at for error reporting.  Update
        after above changes.
        (process_rtx): Likewise.
        (subst_pattern_match): Likewise.
        (get_alternatives_number): Likewise.
        (alter_predicate_for_insn): Likewise.
        (rtx_handle_directive): Likewise.
        (is_predicable): Update after above changes, using error_at rather
        than error_with_line.
        (has_subst_attribute): Likewise.
        (identify_predicable_attribute): Likewise.
        (alter_attrs_for_subst_insn): Likewise.
        (process_one_cond_exec): Likewise.
        (process_substs_on_one_elem): Likewise.
        (process_define_subst): Likewise.
        (check_define_attr_duplicates): Likewise.
        (read_md_rtx): Update after change to queue_elem.

2015-07-16  Richard Sandiford  <richard.sandiford@arm.com>

        * genoutput.c (next_index_number): Delete.
        (data): Remove index_number.
        (gen_insn, gen_peephole, gen_expand, gen_split): Update accordingly.
        (main): Remove manipulation of next_index_number.

2015-07-16  Richard Sandiford  <richard.sandiford@arm.com>

        * genattrtab.c (check_attr_value): Remove handling of null attrs.
        (make_canonical): Likewise.

2015-07-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.md (save_stack_nonlocal): Use adjust_address
        instead of adjust_address_nv.
        (restore_stack_nonlocal): Likewise.
        (nonlocal_goto): Likewise.

2015-07-16  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (create_parallel_loop): Handle case that exit phi does
        not have a corresponding loop header phi.

2015-07-16  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (create_loads_for_reductions): Handle case that
        reduction is unused.

2015-07-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66894
        * tree-vrp.c (register_edge_assert_for_2): Fix bad assumption
        about deriving NE_EXPR from truncated values.

2015-07-16  Martin Liska  <mliska@suse.cz>

        * alloc-pool.h
        (object_allocator): Add new class.
        (pool_allocator::initialize): Use the underlying class.
        (pool_allocator::allocate): Likewise.
        (pool_allocator::remove): Likewise.
        (operator new): A new generic allocator.
        * asan.c (struct asan_mem_ref): Remove unused members.
        (asan_mem_ref_new): Replace new operator with
        object_allocator::allocate.
        (free_mem_ref_resources): Change deallocation.
        * cfg.c (initialize_original_copy_tables): Replace pool_allocator
        with object_allocator.
        * config/sh/sh.c (add_constant): Replace new operator with
        object_allocator::allocate.
        (sh_reorg): Change call to a release method.
        * cselib.c (struct elt_list): Remove unused members.
        (new_elt_list): Replace new operator with
        object_allocator::allocate.
        (new_elt_loc_list): Likewise.
        (new_cselib_val): Likewise.
        (unchain_one_elt_list): Change delete operator with remove method.
        (unchain_one_elt_loc_list): Likewise.
        (unchain_one_value): Likewise.
        (cselib_finish): Release newly added static allocators.
        * cselib.h (struct cselib_val): Remove unused members.
        (struct elt_loc_list): Likewise.
        * df-problems.c (df_chain_alloc): Replace pool_allocator with
        object_allocator.
        * df-scan.c (struct df_scan_problem_data): Likewise.
        (df_scan_alloc): Likewise.
        * df.h (struct dataflow): Likewise.
        * dse.c (struct read_info_type): Likewise.
        (struct insn_info_type): Likewise.
        (struct dse_bb_info_type): Likewise.
        (struct group_info): Likewise.
        (struct deferred_change): Likewise.
        (get_group_info): Likewise.
        (delete_dead_store_insn): Likewise.
        (free_read_records): Likewise.
        (replace_read): Likewise.
        (check_mem_read_rtx): Likewise.
        (scan_insn): Likewise.
        (dse_step1): Likewise.
        (dse_step7): Likewise.
        * et-forest.c (struct et_occ): Remove unused members.
        (et_new_occ): Use allocate instead of new operator.
        (et_new_tree): Likewise.
        (et_free_tree): Call release method explicitly.
        (et_free_tree_force): Likewise.
        (et_free_pools): Likewise.
        (et_split): Use remove instead of delete operator.
        * et-forest.h (struct et_node): Remove unused members.
        * ipa-cp.c: Change pool_allocator to object_allocator.
        * ipa-inline-analysis.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-prop.h: Likewise.
        * ira-build.c (initiate_cost_vectors): Cast return value.
        (ira_allocate_cost_vector): Likewise.
        * ira-color.c (struct update_cost_record): Remove unused members.
        * lra-int.h (struct lra_live_range): Likewise.
        (struct lra_copy): Likewise.
        (struct lra_insn_reg): Likewise.
        * lra-lives.c (lra_live_ranges_finish): Release new static allocator.
        * lra.c (new_insn_reg): Replace new operator with allocate method.
        (free_insn_regs): Same for operator delete.
        (finish_insn_regs): Release new static allocator.
        (finish_insn_recog_data): Likewise.
        (lra_free_copies): Replace delete operator with remove method.
        (lra_create_copy): Replace operator new with allocate method.
        (invalidate_insn_data_regno_info): Same for remove method.
        * regcprop.c (struct queued_debug_insn_change): Remove unused members.
        (free_debug_insn_changes): Replace delete operator with remove method.
        (replace_oldest_value_reg): Replace operator new with allocate method.
        (pass_cprop_hardreg::execute): Release new static variable.
        * sched-deps.c (sched_deps_init): Change pool_allocator to
        object_allocator.
        * sel-sched-ir.c: Likewise.
        * sel-sched-ir.h: Likewise.
        * stmt.c (expand_case): Likewise.
        (expand_sjlj_dispatch_table): Likewise.
        * tree-sra.c (struct access): Remove unused members.
        (struct assign_link): Likewise.
        (sra_deinitialize): Release newly added static pools.
        (create_access_1):Replace operator new with allocate method.
        (build_accesses_from_assign): Likewise.
        (create_artificial_child_access): Likewise.
        * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Change
        pool_allocator to object_allocator.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-ssa-sccvn.c (allocate_vn_table): Likewise.
        * tree-ssa-strlen.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * var-tracking.c (onepart_pool_allocate): New function.
        (unshare_variable): Use the newly added function.
        (variable_merge_over_cur): Likewise.
        (variable_from_dropped): Likewise.
        (variable_was_changed): Likewise.
        (set_slot_part): Likewise.
        (emit_notes_for_differences_1): Likewise.
        (vt_finalize): Release newly added static pools.

2015-07-16  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (param_aa_status): Rename to ipa_param_aa_status.  Adjust
        all uses.  Fix two typos in its general comment.
        (func_body_info): Rename to ipa_func_body_info.  Adjust all uses.

2015-07-16  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/linux-common.h (LINK_MPX): New.
        (MPX_SPEC): Use LINK_MPX instead of %(link_mpx).
        * configure.ac: Add HAVE_LD_BNDPLT_SUPPORT macro
        indicating '-z bndplt' support by linker.
        * configure: Regenerate.
        * config.in: Regenerate.

2015-07-16  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_widened_comparison): Remove.
        (fold_sign_changed_comparison): Likewise.
        (fold_comparison): Move widened and sign-changed comparison
        simplification ...
        * match.pd: ... to patterns here.
        * generic-match-head.c: Include target.h.
        * gimple-match-head.c: Likewise.

2015-07-16  Richard Biener  <rguenther@suse.de>

        * tree-ssa-dom.c (dom_valueize): New function.
        (record_temporary_equivalences): Also record equivalences
        for dominating stmts that have uses of equivalences we are
        about to record.

2015-07-16  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (add_candidate): Remove call to
        add_autoinc_candidates.
        (add_iv_candidate_for_biv): Rename to add_iv_candidate_for_biv.
        (add_iv_candidate_for_biv): Rename from add_iv_candidate_for_biv.
        (add_old_ivs_candidates): Rename to add_iv_candidate_for_bivs.
        (add_iv_candidate_for_bivs): Rename from add_old_ivs_candidates.
        Call new function.
        (add_iv_value_candidates): Rename to add_iv_candidate_for_use.
        (add_iv_candidate_for_use): Rename from add_iv_value_candidates.
        Remove parameter struct iv*.  Call add_autoinc_candidates here.
        (add_derived_ivs_candidates): Rename to add_iv_candidate_for_uses.
        (add_iv_candidate_for_uses): Rename from add_derived_ivs_candidates.
        Call new function.
        (find_iv_candidates): Call new functions.

2015-07-16  Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2.c (nios2_emit_stack_limit_check): Fix
        uninitialized-variable warning.

2015-07-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/65249
        * config/sh/sh.md (movdi): Split simple reg move to two movsi
        when the destination is R0.

2015-07-16  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66866
        * config/i386/i386-protos.h (ix86_expand_pextr): New prototype.
        * config/i386/i386.c (ix86_expand_pextr): New function.
        (ix86_expand_pinsr): Handle V1TI and TI modes.  Call ix86_expand_pextr
        for non-lowpart subregs.
        * config/i386/i386.md (extzv<mode>): Expand with ix86_expand_pextr.
        (insv<mode>): Use SWI248 mode iterator.
        (insv<mode>_1): Ditto.

2015-07-15  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Point
        iterator to use_stmt.

2015-07-15  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop <s.pop@samsung.com>

        * graphite-scop-detection.c (build_scops_1): Discard scops for
        which entry==exit.

2015-07-15  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop <s.pop@samsung.com>

        * graphite-scop-detection.c (stmt_simple_for_scop_p): Bail out in
        case of a return statement in scop.

2015-07-15  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop <s.pop@samsung.com>

        * graphite-sese-to-poly.c (parameter_index_in_region): Only handle
        INTEGER_TYPE parameters.
        (scan_tree_for_params): Handle REAL_CST, COMPLEX_CST, and
        VECTOR_CST in scan_tree_for_params.
        (add_conditions_to_domain): Only constrain on INTEGER_TYPE.

2015-07-15  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-pretty-print.h: Don't include pretty-print.h.
        * tree-streamer.h: Don't include lto-streamer.h.
        * gimple-streamer.h: Include tree-streamer.h rather than lto-streamer.h.
        * gimple-streamer-in.c: Remove redundant includes.
        * gimple-streamer-out.c: Likewise.
        * ipa-devirt.c: Likewise.
        * ipa-icf.c: Likewise.
        * ipa-inline-analysis.c: Likewise.
        * ipa-polymorphic-call.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * lto-streamer.c: Likewise.
        * tree-streamer-in.c: Likewise.
        * tree-streamer-out.c: Likewise.
        * tree-streamer.c: Likewise.

2015-07-15  Andrew MacLeod  <amacleod@redhat.com>

        * opth-gen.awk: Check for UNKNOWN_LOCATION rather than GCC_TM_H, don't
        include input.h.
        * opts.c: Remove multiline #include comment.

2015-07-15  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/mkoffload.c (process): Add C++ protection to
        emitted code.

2015-07-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/66854
        * config/rs6000/rs6000.c (rs6000_pass_by_reference): Move test for
        null before IEEE 128-bit floating point support patch.

2015-07-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * simplify-rtx.c (simplify_ternary_operation): Add simplification
        for (!c) != {0,...,0} ? a : b for vector modes.

2015-07-15  Paolo Bonzini  <bonzini@gnu.org>
            Martin Jambor  <mjambor@suse.cz>

        * ipa-inline-analysis.c (unmodified_parm_or_parm_agg_item): Accept
        struct func_body_info* instead of struct ipa_node_params*, expecting
        fbi->info to be filled in.  Replace throughout.  Adjust call to
        ipa_load_from_parm_agg.
        (set_cond_stmt_execution_predicate): Accept struct func_body_info*
        instead of struct ipa_node_params*.  Adjust calls to other functions
        so that they pass either fbi or fbi->info.
        (set_switch_stmt_execution_predicate): Likewise.
        (will_be_nonconstant_predicate): Likewise.
        (compute_bb_predicates): Likewise.
        (estimate_function_body_sizes): Move asserts earlier.  Fill in
        struct func_body_info, replace parms_info with fbi.info.  Adjust
        calls to functions that now accept struct func_body_info.
        * ipa-prop.c (param_aa_status, struct ipa_bb_info): Move to ipa-prop.h.
        (struct func_body_info): Likewise.
        (ipa_load_from_parm_agg_1): Rename to ipa_load_from_parm_agg,
        remove static.  Adjust callers.
        (ipa_load_from_parm_agg): Remove.
        * ipa-prop.h (param_aa_status, ipa_bb_info): Move from ipa-prop.c.
        (func_body_info): Likewise.
        (ipa_load_from_parm_agg): Adjust prototype.

2015-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * gensupport.c (rtx_handle_directive): Adjust.
        * read-rtl.c (apply_iterators): Take vector to add rtxs to
        instead of expr list rtx.
        (add_define_attr_for_define_subst): Likewise.
        (add_define_subst_attr): Likewise.
        (read_subst_mapping): Likewise.
        (read_rtx): Likewise.
        * rtl.h (read_rtx): Adjust.

2015-07-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (*csinc2<mode>_insn): Use cinc mnemonic.

2015-07-15  Uros Bizjak  <ubizjak@gmail.com>

        PR target/58066
        * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Depend on SP_REG.
        (*tls_local_dynamic_base_64_<mode>): Ditto.
        (*tls_local_dynamic_base_64_largepic): Ditto.
        (tls_global_dynamic_64_<mode>): Update expander pattern.
        (tls_local_dynamic_base_64_<mode>): Ditto.

2015-07-15  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Move bool_var != 0 -> bool_var
        and bool_var == 1 -> bool_var simplifications ...
        * match.pd: ... to patterns here.  Factor out negate_expr_p
        cases from the A - B -> A + (-B) patterns as negate_expr_p
        predicate and add a -(A + B) -> (-B) - A pattern.

2015-07-15  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.c (mips_emit_save_slot_move): Fix typo.

2015-07-15  Matthew Fortune  <matthew.fortune@imgtec.com>
            Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.c (mips_int_mask): New enum.
        (mips_shadow_set): Likewise.
        (int_mask): New variable.
        (use_shadow_register_set_p): Change type to enum mips_shadow_set.
        (machine_function): Add int_mask and use_shadow_register_set.
        (mips_attribute_table): Add attribute handlers for interrupt and
        use_shadow_register_set.
        (mips_interrupt_mask): New static function.
        (mips_handle_interrupt_attr): Likewise.
        (mips_handle_use_shadow_register_set_attr): Likewise.
        (mips_use_shadow_register_set): Change return type to enum
        mips_shadow_set.  Add argument handling for use_shadow_register_set
        attribute.
        (mips_interrupt_extra_called_saved_reg_p): Update the conditional to
        compare with mips_shadow_set enum.
        (mips_compute_frame_info): Add interrupt mask and
        use_shadow_register_set to per-function information structure.
        Add a stack slot for EPC unconditionally.
        (mips_expand_prologue): Compare use_shadow_register_set value
        with mips_shadow_set enum.  Save EPC always in K1, clobber only K1 for
        masked interrupt register but in EIC mode use K0 and save Cause in K0.
        EPC saved and restored unconditionally.  Use PMODE_INSN macro when
        copying the stack pointer from the shadow register set.
        * config/mips/mips.h (SR_IM0): New define.
        * config/mips/mips.md (mips_rdpgpr): Rename to...
        (mips_rdpgpr_<mode>): ...this.  Use the Pmode iterator.
        * doc/extend.texi (Declaring Attributes of Functions): Document
        optional arguments for interrupt and use_shadow_register_set
        attributes.

2015-07-15  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.c (mips_compute_frame_info): Allow -mhard-float in
        interrupt attribute.
        (mips_expand_prologue): Disable the floating point unit in an ISR.
        * config/mips/mips.h (SR_COP1): New define.

2015-07-15  Richard Biener  <rguenther@suse.de>

        * genmatch.c (parser::peek, parser::peek_ident): Add argument
        to tell how many tokens to peek ahead (default 1).
        (parser::eat_token, parser::eat_ident): Return token consumed.
        (parser::parse_result): Parse new switch statement.
        * match.pd: Use case statements where appropriate.

2015-07-15  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/58066
        * calls.c (expand_call): Precompute register parameters before stack
        alignment is performed.

2015-07-15  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/66838
        * postreload.c (reload_cse_move2add): Also process
        CALL_INSN_FUNCTION_USAGE when resetting information of
        call-clobbered registers.

2015-07-14  Sandra Loosemore  <sandra@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * config/nios2/constraints.md (U, v): New constraints.
        * config/nios2/predicates.md (rdprs_dcache_operand): New.
        (ldstex_memory_operand): New.
        * config/nios2/sync.md: New file.
        * config/nios2/nios2.md (unspecv): Add new builtin function
        UNSPECV codes.
        (rdprs, flushd, flushda, wrpie, eni): New patterns.
        (top-level): Include sync.md.
        * config/nios2/nios2.c (N2_FTYPES): Add function types for
        new builtins.
        (N2_BUILTINS): Add arch field setting, add new builtins.
        (enum nios2_builtin_code,nios2_builtins): Update N2_BUILTIN_DEF
        for arch field.
        (nios2_expand_ldst_builtin): Rename from nios2_expand_ldstio_builtin.
        Also handle ldex/stex/ldsex/stsex builtins.
        (nios2_expand_rdprs_builtin): New function.
        (nios2_expand_cache_builtin): New function.
        (nios2_expand_wrpie_builtin): New function.
        (nios2_expand_eni_builtin): New function.
        (nios2_expand_builtin): Add arch field handling and new builtin
        cases.
        * doc/extend.texi (Altera Nios II Built-in Functions): Document
        new builtins.
        * doc/md.texi (Machine Constraints): Document U and v constraints.

2015-07-14  Sandra Loosemore  <sandra@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * config/nios2/nios2-protos.h (nios2_expand_return): Declare.
        * config/nios2/nios2.c (struct GTY (()) machine_function): Add
        callee_save_reg_size and uses_anonymous_args fields.
        (nios2_compute_frame_layout): Update for CDX push.n/pop.n usage.
        (nios2_create_cfa_notes): New function.
        (nios2_adjust_stack): New function for adjusting stack.
        (nios2_expand_prologue): Update for CDX push.n/pop.n usage.
        Use nios2_adjust_stack.
        (nios2_expand_epilogue): Likewise.
        (nios2_expand_return): New function.
        (nios2_can_use_return_insn): Update for CDX pop.n usage.
        (nios2_setup_incoming_varargs): Set uses_anonymous_args flag.
        If TARGET_HAS_CDX, defer pushing regs to nios2_expand_prologue.
        * config/nios2/nios2.md (return): Use nios2_expand_return.

2015-07-14  Sandra Loosemore  <sandra@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * config/nios2/predicates.md (pop_operation): New.
        (ldwm_operation, stwm_operation): New.
        (nios2_hard_register_operand): New.
        * config/nios2/nios2-protos.h (pop_operation_p): Declare.
        (ldstwm_operation_p): Declare.
        (gen_ldstwm_peep): Declare.
        * config/nios2/nios2.c: (nios2_ldst_parallel): Declare.
        (base_reg_adjustment_p): New.
        (pop_operation_p): New.
        (CDX_LDSTWM_VALID_REGS_0, CDX_LDSTWM_VALID_REGS_1): Define.
        (nios2_ldstwm_regset_p): New.
        (ldstwm_operation_p): New.
        (gen_ldst): New.
        (nios2_ldst_parallel): New.
        (struct ldswm_operand): Declare.
        (compare_ldstwm_operands): New.
        (can_use_cdx_ldstw): New.
        (gen_ldstwm_peep): New.
        * config/nios2/nios2-ldstwm.sml: New.
        * config/nios2/nios2.md: Include ldstwm.md.
        * config/nios2/ldstwm.md: Generated.

2015-07-14  Sandra Loosemore  <sandra@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * config/nios2/nios2.h (LABEL_ALIGN): Define.
        (REG_ALLOC_ORDER): Define.
        (ADJUST_REG_ALLOC_ORDER): Define.
        (HONOR_REG_ALLOC_ORDER): Define.
        (CDX_REG_P): Define.
        (ANDCLEAR_INT): Define.
        * config/nios2/nios2-protos.h (nios2_add_insn_asm): Declare.
        (nios2_label_align): Declare.
        (nios2_cdx_narrow_form_p): Declare.
        (nios2_adjust_reg_alloc_order): Declare.
        * config/nios2/nios2.c (nios2_rtx_costs): Adjust for BMX zero-extract
        operation.
        (nios2_large_unspec_reloc_p): New function, split from...
        (nios2_legitimate_pic_operand_p): ...here.
        (nios2_emit_move_sequence): Add *high/*lo_sum constant expand code.
        (nios2_print_operand_punct_valid_p): New.
        (nios2_print_operand): Add %., %!, %x, %y, %A.  Remove %U.
        (split_mem_address): New.
        (split_alu_insn): New.
        (cdxreg): New.
        (cdx_add_immed, cdx_and_immed, cdx_mov_immed, cdx_shift_immed): New.
        (enum nios2_add_insn_kind): New.
        (nios2_add_insn_names, nios2_add_insn_narrow): New.
        (nios2_add_insn_classify): New.
        (nios2_add_insn_asm): New.
        (nios2_cdx_narrow_form_p): New.
        (label_align, min_labelno, max_labelno): New.
        (nios2_reorg): New.
        (nios2_label_align): New.
        (nios2_adjust_reg_alloc_order): New.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.
        * config/nios2/constraints.md (P): New constraint.
        * config/nios2/predicates.md (const_and_operand): New.
        (and_operand): New.
        (stack_memory_operand): New.
        * config/nios2/nios2.md (SP_REGNO): Define stack pointer regno.
        (length): Update to use nios2_cdx_narrow_form_p().
        (type): Add new insn type values.
        (control, alu, st, ld, shift): Update insn reservations with
        new insn type values.
        (*high, *lo_sum): Define new insn patterns for constant generation.
        (movqi_internal, movhi_internal, movsi_internal): Reduce
        alternatives, update asm template to handle CDX variants, update
        type attributes.
        (zero_extendhisi2, zero_extendqi<mode>2): Add CDX variants to asm
        template, update type attributes.
        (extendhisi2, extendqi<mode>2): Likewise.
        (addsi3): Change to use function for asm string.
        (subsi3): Add CDX notation to asm template, update type attributes.
        (negsi3, one_cmplsi3): Likewise.
        (andsi3): New pattern, specialized from logical patterns.
        (<code>si3): Remove and case, combine alternatives, update asm
        template.
        (<shift_op>si3): Add CDX notation, update type attributes.
        (rotrsi3): Update type attribute.
        (*merge, extzv, insv): New insn patterns.
        (return): Change to define_expand.
        (simple_return): Add CDX notation, update type attributes.
        (indirect_jump): Add CDX notation.
        (jump): Update asm cases, update length attribute expression.
        (*call, *call_value, *sibcall, *sibcall_value): Add CDX variant.
        (nios2_cbranch): Update asm cases and length attribute expression
        to handle CDX variants.
        (nios2_cmp<code>): Update asm template.
        (nop): Add CDX notation, update type attributes.
        (trap): Add CDX notation.
        (ctrapsi4): Update asm cases and length attribute expression to
        handle CDX variant.
        * doc/md.texi (Machine Constraints): Document P constraint.

2015-07-14  Sandra Loosemore  <sandra@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * config/nios2/nios2.h (SMALL_INT12): New macro.
        * config/nios2/nios2.c (nios2_valid_addr_offset_p): New function.
        (nios2_valid_addr_expr_p): Use it.
        (nios2_symbol_ref_in_small_data_p): Disallow GP-relative addressing
        with implicit "io" instructions on R2.
        * config/nios2/constraints.md (w): New constraint.
        * config/nios2/predicates.md (ldstio_memory_operand): New.
        * config/nios2/nios2.md (ld<bhw_uns>io, ld<bh>io): Update memory
        operand predicate and constraint.
        (ld<bh>io_signed, st<bhw>io>): Likewise.
        * doc/md.texi (Machine Constraints): Document w constraint.

2015-07-14  Sandra Loosemore  <sandra@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * config/nios2/nios2.opt (march, mbmx, mcdx): New options.
        * config/nios2/nios2-opts.h (enum nios2_arch_type): New enum for
        Nios II architecture level.
        * config/nios2/nios2.h (TARGET_ARCH_R2): New define.
        (TARGET_CPU_CPP_BUILTINS): Add definition of __nios2_arch__ symbol.
        (OPTION_DEFAULT_SPECS): Define.
        (ASM_SPEC): Add -march= spec strings.
        * config/nios2/nios2.c (nios2_option_override): Check for
        conflicts involving new options.
        * config.gcc (nios2*-*-*): Support --with-arch=.
        * doc/invoke.texi (Option Summary, Nios II Options): Document
        -march=, -mbmx, and -mcdx.

2015-07-14  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/66626
        * lra-constraints.c (lra_constraints): Prevent equivalence
        substitution for static chain pseudo in functions with nonlocal
        goto.

2015-07-14  Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2.c (TEMP_REG_NUM): Move define up in file.
        (nios2_emit_stack_limit_check): Add size parameter.  Handle
        -fstack-limit-symbol as well as -fstack-limit-register.
        (nios2_expand_prologue): Emit only a single stack limit check,
        even if multiple stack adjustments are required.
        (nios2_option_override): Diagnose unsupported combination of -fpic
        and -stack-limit-symbol.

2015-07-14  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (top_srcdir): New.
        * configure.ac: Use AM_ZLIB.
        * configure: Regeneated.

2015-07-14  Matthias Klose  <doko@ubuntu.com>

        PR target/66840
        * config/rs6000/t-rs6000 (TM_H): Add rs6000-cpus.def.

2015-07-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66863
        * tree-vrp.c (register_edge_assert_for_2): Properly restrict
        what we record for conversion use stmt lhs inequalities.

2015-07-14  Richard Biener  <rguenther@suse.de>

        * genmatch.c (dt_node::gen_kids_1): Fix case label indenting.
        (decision_tree::gen_gimple): Likewise.

2015-07-14  Tom de Vries  <tom@codesourcery.com>

        * gcc.c (greater_than_spec_func): Declare forward.
        (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use gt to ignore
        -ftree-parallelize-loops={0,1}.
        (static_spec_functions): Add greater_than_spec_func function with name
        "gt".
        (greater_than_spec_func): New function.

2015-07-14  Richard Biener  <rguenther@suse.de>

        * tree-ssa-dom.c (record_temporary_equivalences): Merge
        wideing type conversion case from record_equivalences_from_incoming_edge
        and use record_equality to record equivalences.
        (record_equivalences_from_incoming_edge): Call
        record_temporary_equivalences.

2015-07-14  Richard Biener  <rguenther@suse.de>

        * genmatch.c (struct operand): Add OP_IF and OP_WITH op_types.
        (struct if_expr): New.
        (struct with_expr): Likewise.
        (is_a_helper): Add helpers for if_expr and with_expr.
        (struct simplify): Add simplify_kind enum and member.  Remove
        ifexpr_vec member.
        (simplify::simplify): Adjust.
        (lower_commutative): Adjust.
        (lower_opt_convert): Likewise.
        (lower_cond): Likewise.
        (replace_id): Handle with_expr and if_expr.
        (lower_for): Adjust.
        (dt_simplify::gen_1): New recursive worker, split out from ...
        (dt_simplify::gen): ... here.  Deal with if and with expansion
        recursively.
        (capture_info::capture_info): Take context argument
        (capture_info::walk_result): Only analyze specific result.
        (parser::parse_result): New function.
        (parser::parse_simplify): Adjust to parse ifs with then end
        else case.
        (parser::parse_if): Simplify.
        (parser::parse_pattern): Pass down simplify kind.
        * match.pd: Convert if structure to new syntax.

2015-07-13  Marek Polacek  <polacek@redhat.com>

        * rtl.c (rtx_equal_p_cb): Fix typo.

2015-07-13  Andrew MacLeod  <amacleod@redhat.com>

        * omega.h: Don't include config.h, don't include params.h again if
        omega.h has already been included.
        * graphite-poly.h: Include sese.h.
        * graphite.c: Don't include sese.h, remove needless includes and
        minimize includes outside #ifdef HAVE_isl block.
        * graphite-blocking.c: Don't include sese.h, remove needless includes,
        and wrap entire file in #ifdef HAVE_isl
        * graphite-dependences.c: Likewise.
        * graphite-interchange.c: Likewise.
        * graphite-isl-ast-to-gimple.c: Likewise.
        * graphite-optimize-isl.c: Likewise.
        * graphite-poly.c: Likewise.
        * graphite-scop-detection.c: Likewise.
        * graphite-sese-to-poly.c: Likewise.

2015-07-13  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (build_receiver_ref): Mark *.omp_data_i as non-trapping.

2015-07-13  Renlin Li  <renlin.li@arm.com>

        PR rtl/66556
        * simplify-rtx.c (simplify_const_relational_operation): Add
        side_effects_p checks.

2015-07-12  Aldy Hernandez  <aldyh@redhat.com>

        * bitmap.h: Fix double word typos.
        * builtins.c: Same.
        * calls.c: Same.
        * cfgloopmanip.c: Same.
        * cgraph.c: Same.
        * cgraph.h: Same.
        * cgraphclones.c: Same.
        * combine.c: Same.
        * config/aarch64/aarch64-protos.h: Same.
        * config/aarch64/aarch64.c: Same.
        * config/aarch64/aarch64.md: Same.
        * config/arm/arm.md: Same.
        * config/arm/arm1020e.md: Same.
        * config/arm/arm1026ejs.md: Same.
        * config/arm/arm926ejs.md: Same.
        * config/arm/fa526.md: Same.
        * config/arm/fa606te.md: Same.
        * config/arm/fa626te.md: Same.
        * config/arm/fa726te.md: Same.
        * config/arm/fmp626.md: Same.
        * config/darwin.c: Same.
        * config/epiphany/epiphany.c: Same.
        * config/frv/frv.c: Same.
        * config/ft32/ft32.c: Same.
        * config/gnu-user.h: Same.
        * config/h8300/constraints.md: Same.
        * config/i386/i386.c: Same.
        * config/i386/i386.md: Same.
        * config/iq2000/iq2000.md: Same.
        * config/mips/mips.c: Same.
        * config/mmix/mmix.md: Same.
        * config/moxie/moxie.c: Same.
        * config/nds32/nds32.md: Same.
        * config/pa/pa.h: Same.
        * config/rs6000/aix.h: Same.
        * config/rs6000/rs6000.h: Same.
        * config/sh/sh.c: Same.
        * config/tilegx/tilegx.md: Same.
        * config/tilepro/gen-mul-tables.cc: Same.
        * cse.c: Same.
        * dbxout.c: Same.
        * doc/invoke.texi: Same.
        * dse.c: Same.
        * dwarf2out.c: Same.
        * final.c: Same.
        * gcc.c: Same.
        * genmatch.c: Same.
        * gimplify.c: Same.
        * hash-table.h: Same.
        * internal-fn.c: Same.
        * ipa-cp.c: Same.
        * ipa-devirt.c: Same.
        * ipa-icf.c: Same.
        * ipa-icf.h: Same.
        * ipa-profile.c: Same.
        * ipa-prop.c: Same.
        * ipa-prop.h: Same.
        * ira.c: Same.
        * omp-low.c: Same.
        * reg-stack.c: Same.
        * regcprop.c: Same.
        * reorg.c: Same.
        * rtl.h: Same.
        * sbitmap.h: Same.
        * tree-eh.c: Same.
        * tree-inline.c: Same.
        * tree-sra.c: Same.
        * tree-ssa-dom.c: Same.
        * tree-ssa-loop-ivopts.c: Same.
        * tree-ssa-structalias.c: Same.
        * tree-ssa-tail-merge.c: Same.
        * tree-ssa-ter.c: Same.
        * tree-ssa-threadupdate.c: Same.
        * tree-ssa-uninit.c: Same.
        * tree-ssanames.c: Same.
        * tree-vect-loop-manip.c: Same.
        * tree-vrp.c: Same.
        * tree.c: Same.
        * valtrack.c: Same.
        * vec.h: Same.

2015-07-12  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR middle-end/66726
        * tree-ssa-phiopt.c(factor_out_conditional_conversion): New function.
        tree_ssa_phiopt_worker): Call it.

2015-07-12  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * cse.c (cse_insn): Calculate src_eqv for ZERO_EXTRACT.
        * emit-rtl.c (set_for_reg_notes): Allow ZERO_EXTRACT to set
        REG_EQUAL note.

2015-07-11  Marek Polacek  <polacek@redhat.com>

        PR middle-end/66353
        * basic-block.h (has_abnormal_call_or_eh_pred_edge_p): New function.
        * ira-lives.c (bb_has_abnormal_call_pred): Remove function.
        (process_bb_node_lives): Call has_abnormal_call_or_eh_pred_edge_p
        rather than bb_has_abnormal_call_pred.
        * lra-lives.c (bb_has_abnormal_call_pred): Remove function.
        (process_bb_lives): Call has_abnormal_call_or_eh_pred_edge_p
        rather than bb_has_abnormal_call_pred.

2015-07-10  Anatoly Sokolov  <aesok@post.ru>

        * config/v850/v850.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
        REG_OK_FOR_BASE_P_STRICT, REG_OK_FOR_INDEX_P_STRICT, STRICT,
        RTX_OK_FOR_BASE_P, GO_IF_LEGITIMATE_ADDRESS): Remove macros.
        * config/v850/v850.c (v850_reg_ok_for_base_, v850_rtx_ok_for_base_p,
        v850_legitimate_address_p): New functions.
        (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.

2015-07-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66819
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Allow
        indirect sibcall with register arguments if register available
        for argument passing.
        (init_cumulative_args): Set cfun->machine->arg_reg_available
        to (cum->nregs > 0) or to true if function has a variable
        argument list.
        (function_arg_advance_32): Set cfun->machine->arg_reg_available
        to false if cum->nregs <= 0.
        * config/i386/i386.h (machine_function): Add arg_reg_available.

2015-07-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (movdi_to_sse): Use gen_lowpart
        and gen_higpart instead of gen_rtx_SUBREG.
        * config/i386/i386.md
        (floatdi<X87MODEF:mode>2_i387_with_xmm splitter): Ditto.
        (read-modify peephole2): Use gen_lowpart instead of
        gen_rtx_SUBREG for operand 5.

2015-07-10  Andrew MacLeod  <amacleod@redhat.com>

        * config/tilepro/gen-mul-tables.cc (main): Change include list for
        generated files.
        * config/tilepro/mul-tables.c: Regenerate.
        * config/tilegx/mul-tables.c: Regenerate.

2015-07-10  Richard Biener  <rguenther@suse.de>

        * fold-const.c (distribute_bit_expr): Remove.
        (fold_binary_loc): Move simplifying (A & C1) + (B & C2)
        to (A & C1) | (B & C2), distributing (A & B) | (A & C)
        to A & (B | C) and simplifying A << C1 << C2 to ...
        * match.pd: ... patterns here.

2015-07-10  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately):
        Mark mem as READONLY and NOTRAP for PIC symbol.

2015-07-10  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-predict.h: New file.
        (gimple_predict_predictor, gimple_predict_set_predictor,
        gimple_predict_outcome, gimple_predict_set_outcome,
        gimple_build_predict): Relocate here.
        * gimple.h (gimple_predict_predictor, gimple_predict_set_predictor,
        gimple_predict_outcome, gimple_predict_set_outcome): Move to
        gimple-predict.h.
        * gimple.c (gimple_build_predict): Move to gimple-predict.h
        * basic-block.h: Don't include cfghooks.h.
        * backend.h: Don't include predict.h.
        * cfghooks.h: Include predict.h.
        * gimple-pretty-print.c: Include gimple-predict.h.
        * gimplify.c: Likwise.
        * predict.c: Adjust includes.
        * tree-inline.c: Likewise.
        * asan.c: Likewise.
        * auto-inc-dec.c: Likewise.
        * auto-profile.c: Likewise.
        * bb-reorder.c: Likewise.
        * builtins.c: Likewise.
        * caller-save.c: Likewise.
        * calls.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfg.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfgexpand.c: Likewise.
        * cfghooks.c: Likewise.
        * cfgloopanal.c: Likewise.
        * cfgloop.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * cfgrtl.c: Likewise.
        * cgraph.c: Likewise.
        * cgraphunit.c: Likewise.
        * combine.c: Likewise.
        * cprop.c: Likewise.
        * cse.c: Likewise.
        * dce.c: Likewise.
        * dojump.c: Likewise.
        * dse.c: Likewise.
        * except.c: Likewise.
        * expmed.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fold-const.c: Likewise.
        * function.c: Likewise.
        * fwprop.c: Likewise.
        * gcc-plugin.h: Likewise.
        * gcse.c: Likewise.
        * genattrtab.c: Likewise.
        * genemit.c: Likewise.
        * gengtype.c: Likewise.
        * genopinit.c: Likewise.
        * genoutput.c: Likewise.
        * genpreds.c: Likewise.
        * genrecog.c: Likewise.
        * gimple-fold.c: Likewise.
        * gimple-iterator.c: Likewise.
        * gimple-ssa-isolate-paths.c: Likewise.
        * gimple-ssa-strength-reduction.c: Likewise.
        * graph.c: Likewise.
        * graphite-blocking.c: Likewise.
        * graphite.c: Likewise.
        * graphite-dependences.c: Likewise.
        * graphite-interchange.c: Likewise.
        * graphite-isl-ast-to-gimple.c: Likewise.
        * graphite-optimize-isl.c: Likewise.
        * graphite-poly.c: Likewise.
        * graphite-scop-detection.c: Likewise.
        * graphite-sese-to-poly.c: Likewise.
        * haifa-sched.c: Likewise.
        * ifcvt.c: Likewise.
        * internal-fn.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-split.c: Likewise.
        * ipa-utils.c: Likewise.
        * ira-build.c: Likewise.
        * ira-color.c: Likewise.
        * ira-conflicts.c: Likewise.
        * ira-costs.c: Likewise.
        * ira-emit.c: Likewise.
        * ira-lives.c: Likewise.
        * jump.c: Likewise.
        * loop-doloop.c: Likewise.
        * loop-init.c: Likewise.
        * loop-invariant.c: Likewise.
        * loop-unroll.c: Likewise.
        * lower-subreg.c: Likewise.
        * lra-assigns.c: Likewise.
        * lra.c: Likewise.
        * lra-coalesce.c: Likewise.
        * lra-constraints.c: Likewise.
        * lra-lives.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * mode-switching.c: Likewise.
        * modulo-sched.c: Likewise.
        * omp-low.c: Likewise.
        * optabs.c: Likewise.
        * passes.c: Likewise.
        * postreload.c: Likewise.
        * postreload-gcse.c: Likewise.
        * profile.c: Likewise.
        * recog.c: Likewise.
        * regstat.c: Likewise.
        * reload1.c: Likewise.
        * reorg.c: Likewise.
        * rtlanal.c: Likewise.
        * sched-ebb.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * sese.c: Likewise.
        * shrink-wrap.c: Likewise.
        * simplify-rtx.c: Likewise.
        * stmt.c: Likewise.
        * store-motion.c: Likewise.
        * tracer.c: Likewise.
        * trans-mem.c: Likewise.
        * tree-call-cdce.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-chkp.c: Likewise.
        * tree-complex.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-if-conv.c: Likewise.
        * tree-loop-distribution.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-predcom.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-profile.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-ssa-dom.c: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * tree-ssa-ifcombine.c: Likewise.
        * tree-ssa-loop-ch.c: Likewise.
        * tree-ssa-loop-im.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-ssa-loop-manip.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-loop-unswitch.c: Likewise.
        * tree-ssa-math-opts.c: Likewise.
        * tree-ssa-phiopt.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-ssa-sink.c: Likewise.
        * tree-ssa-tail-merge.c: Likewise.
        * tree-ssa-threadedge.c: Likewise.
        * tree-ssa-threadupdate.c: Likewise.
        * tree-switch-conversion.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-loop-manip.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree-vrp.c: Likewise.
        * ubsan.c: Likewise.
        * value-prof.c: Likewise.
        * varasm.c: Likewise.
        * var-tracking.c: Likewise.
        * config/aarch64/aarch64-builtins.c: Likewise.
        * config/aarch64/aarch64.c: Likewise.
        * config/aarch64/cortex-a57-fma-steering.c: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/c6x/c6x.c: Likewise.
        * config/cr16/cr16.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/darwin.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/epiphany/epiphany.c: Likewise.
        * config/epiphany/mode-switch-use.c: Likewise.
        * config/epiphany/resolve-sw-modes.c: Likewise.
        * config/fr30/fr30.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/ft32/ft32.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/lm32/lm32.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/microblaze/microblaze.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/moxie/moxie.c: Likewise.
        * config/msp430/msp430.c: Likewise.
        * config/nds32/nds32.c: Likewise.
        * config/nds32/nds32-cost.c: Likewise.
        * config/nds32/nds32-fp-as-gp.c: Likewise.
        * config/nds32/nds32-intrinsic.c: Likewise.
        * config/nds32/nds32-isr.c: Likewise.
        * config/nds32/nds32-md-auxiliary.c: Likewise.
        * config/nds32/nds32-memory-manipulation.c: Likewise.
        * config/nds32/nds32-pipelines-auxiliary.c: Likewise.
        * config/nds32/nds32-predicates.c: Likewise.
        * config/nios2/nios2.c: Likewise.
        * config/nvptx/nvptx.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/rl78/rl78.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh-mem.cc: Likewise.
        * config/sh/sh_optimize_sett_clrt.cc: Likewise.
        * config/sh/sh_treg_combine.cc: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/tilegx/tilegx.c: Likewise.
        * config/tilepro/tilepro.c: Likewise.
        * config/v850/v850.c: Likewise.
        * config/vax/vax.c: Likewise.
        * config/visium/visium.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.

2015-07-10  Richard Biener  <rguenther@suse.de>

        * genmatch.c (dt_node::gen_kids_1): Fix indenting of case labels.
        (decision_tree::gen_gimple): Likewise.
        (decision_tree::gen_generic): Likewise.

2015-07-10  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66813
        * config/i386/i386.c (ix86_md_asm_adjust): Emit movstrictqi
        sequence for TARGET_ZERO_EXTEND_WITH_AND targets.

2015-07-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/66820
        * gimplify.c (maybe_fold_stmt): Don't fold in ORT_PARALLEL
        or ORT_TASK contexts.
        * omp-low.c (lower_omp): Call fold_stmt even if taskreg_nesting_level
        is non-zero.

2015-07-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * expr.c (expand_cond_expr_using_cmove): Fix typos in comment
        above function.

2015-07-10  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (try_transform_to_exit_first_loop_alt): If not found,
        insert nit + 1 bound.

2015-07-10  Richard Biener  <rguenther@suse.de>

        * tree-if-conv.c (if_convertible_gimple_assign_stmt_p):
        Use ifcvt_could_trap_p also when not flag_tree_loop_if_convert_stores.
        (if_convertible_loop_p_1): For this always compute bb predicates.
        (if_convertible_loop_p): And free them.

2015-07-10  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * ipa-icf.c (sem_item_optimizer::do_congruence_step): Fix typo
        in dump message.

2015-07-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66823
        * tree-if-conv.c (memrefs_read_or_written_unconditionally): Fix
        inverted predicate.

2015-07-09  Steve Ellcey  <sellcey@imgtec.com>

        * config/mips/mti-linux.h (MIPS_SYSVERSION_SPEC): Update
        to handle mips[32|64]r3 and mips[32|64]r5.

2015-07-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/66633
        * tree-nested.c (get_static_chain): Or in a flag into
        info->static_chain_added.
        (get_frame_field, get_nonlocal_debug_decl): Likewise.
        (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Revert
        2015-07-01 changes.
        (convert_tramp_reference_stmt): If a frame_decl or chain_decl
        is needed newly inside of GIMPLE_OMP_{PARALLEL,TASK,TARGET} body,
        add it to clauses.

        PR tree-optimization/66718
        * tree-vect-stmts.c (struct simd_call_arg_info): Add simd_lane_linear
        field.
        (vect_simd_lane_linear): New function.
        (vectorizable_simd_clone_call): Support using linear arguments for
        addresses of arrays elements indexed by GOMP_SIMD_LANE result.

2015-07-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66821
        * config/i386/i386.c (iamcu_cost): Adjust variable shift costs.

2015-07-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_memory):
        Use machine mode, not enum machine_mode in the prototype.

        * config/rs6000/rs6000.h (FLOAT128_IEEE_P): New helper macros to
        classify 128-bit floating point support.
        (FLOAT128_IBM_P): Likewise.
        (FLOAT128_VECTOR_P): Likewise.
        (FLOAT128_2REG_P): Likewise.
        (SCALAR_FLOAT_MODE_NOT_VECTOR_P): Likewise.
        (SLOW_UNALIGNED_ACCESS): Add IEEE 128-bit floating point support.
        (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
        (HARD_REGNO_CALL_PART_CLOBBERED): Likewise.

        * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Drop
        tests against TFmode/TDmode, since those modes do not use VSX
        addresses.
        (rs6000_hard_regno_mode_ok): Add IEEE 128-bit floating point
        support.
        (rs6000_init_hard_regno_mode_ok): Use new helper macros instead of
        tests against TFmode, etc.
        (invalid_e500_subreg): Add tests against IFmode/KFmode.
        (reg_offset_addressing_ok_p): Likewise.
        (rs6000_legitimate_offset_address_p): Likewise.
        (rs6000_legitimize_address): Likewise.
        (rs6000_legitimize_reload_address): Likewise.
        (rs6000_legitimate_address_p): Clean up tests against TFmode and
        TDmode to use the new helper macros, which will include IFmode and
        KFmode.
        (rs6000_emit_move): Likewise.
        (rs6000_darwin64_record_arg_recurse): Likewise.
        (print_operand): Likewise.
        (rs6000_member_type_forces_blk): Treat IEEE 128-bit floating point
        that uses a single vector register as a vector and not as a
        floating point register in terms of the calling sequence.
        (rs6000_discover_homogeneous_aggregate): Likewise.
        (rs6000_return_in_memory): Likewise.
        (init_cumulative_args): Likewise.
        (rs6000_function_arg_boundary): Likewise.
        (rs6000_function_arg_advance_1): Likewise.
        (rs6000_function_arg): Likewise.
        (rs6000_pass_by_reference): Likewise.
        (rs6000_gimplify_va_arg): Likewise.
        (rs6000_secondary_reload_memory): Use machine_mode not enum
        machine mode.
        (rs6000_split_multireg_move): Use new helper macros.
        (spe_func_has_64bit_regs_p): Likewise.
        (rs6000_output_function_epilogue): Add IFmode/KFmode support.
        (output_toc): Use new helper macros.
        (rs6000_register_move_cost): Likewise.
        (rs6000_function_value): Add IEEE 128-bit floating point calling
        sequence support.
        (rs6000_libcall_value): Likewise.
        (rs6000_scalar_mode_supported_p): Add support for IEEE 128-bit
        floating point support.
        (rs6000_vector_mode_supported_p): Likewise.

2015-07-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/66782
        * lra-int.h (struct lra_insn_recog_data): Add comment about
        clobbered hard regs for arg_hard_regs.
        * lra.c (lra_set_insn_recog_data): Add clobbered hard regs.
        * lra-lives.c (process_bb_lives): Process clobbered hard regs.
        Add condition for processing used hard regs.
        * lra-constraints.c (update_ebb_live_info, inherit_in_ebb):
        Process clobbered hard regs.

2015-07-09  Michael Matz  <matz@suse.de>

        * genmatch.c (fprintf_indent): New function.
        (operand::gen_transform): Add indent parameter.
        (expr::gen_transform, c_expr::gen_transform,
        capture::gen_transform): Ditto and use fprintf_indent.
        (dt_node::gen, dt_node::gen_kids, dt_node::gen_kids_1): Ditto.
        (dt_operand::gen, dt_operand::gen_predicate,
        dt_operand::gen_match_op, dt_operand::gen_gimple_expr,
        dt_operand::gen_generic_expr, dt_simplify::gen): Ditto.
        (decision_tree::gen_gimple): Adjust calls and indent generated
        code.
        (decision_tree::gen_generic): Ditto.
        (write_predicate): Ditto.

2015-07-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66814
        * config/i386/predicates.md (nonimmediate_gr_operand): New predicate.
        * config/i386/i386.md (not peephole2): Use nonimmediate_gr_operand.
        (varous peephole2s): Use {GENERAL,SSE,MMX}_REGNO_P instead of
        {GENERAL,SSE,MMX}_REG_P where appropriate.

2015-07-09  Andrew MacLeod  <amacleod@redhat.com>

        * lto-streamer.h: Don't include target.h and alloc-pool.h.
        * builtins.c: Adjust includes.
        * gimple.c: Likewise.
        * ipa-icf.c: Likewise.
        * lto-opts.c: Likewise.
        * ipa-reference.c: Likewise.
        * lto-section-out.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * opts-global.c: Likewise.
        * symtab.c: Likewise.
        * tree-chkp.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-streamer-in.c: Likewise.
        * tree-streamer-out.c: Likewise.
        * config/darwin.c: Likewise.
        * config/i386/winnt.c: Likewise.

2015-07-09  Richard Biener  <rguenther@suse.de>

        * genmatch.c (struct expr): Add force_single_use flag.
        (expr::expr): Add copy constructor.
        (capture_info::walk_match): Gather force_single_use captures.
        (expr::gen_transform): Use possibly NULLified sequence.
        (dt_simplify::gen): Apply single-use restrictions by NULLifying
        seq if any constrained expr is not single-use.
        (parser::parse_expr): Refactor to allow multiple flags.  Handle
        's' flag to force an expression have a single-use if the pattern
        simplifies to more than one statement.
        * match.pd: Convert most single_use conditionals to :s flags.

2015-07-09  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/iamcu.h (ASM_OUTPUT_ALIGNED_BSS): New.
        (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.

2015-07-09  Andrew MacLeod  <amacleod@redhat.com>

        * flags.h: Don't include flag-types.h or options.h.
        * opts-common.c: Adjust includes.
        * opts-global.c: Likewise.
        * common/config/epiphany/epiphany-common.c: Likewise.

2015-07-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66818
        * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Defined to 32
        for IA MCU.

2015-07-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66817
        * config/i386/i386.c (ix86_return_in_memory): Return true
        if int_size_in_bytes returns negative for IA MCU.

2015-07-09  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/66718
        * Makefile.in (OBJS): Add gimple-laddress.o.
        * passes.def: Schedule pass_laddress.
        * timevar.def (DEFTIMEVAR): Add TV_GIMPLE_LADDRESS.
        * tree-pass.h (make_pass_laddress): Declare.
        * gimple-laddress.c: New file.

2015-07-09  Richard Biener  <rguenther@suse.de>

        * toplev.c (compile_file): Reset maximum_field_alignment after parsing.

2015-07-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66807
        * tree-chkp-opt.c (chkp_opt_fini): Free post dominator info.

2015-07-08  Kito Cheng  <kito.cheng@gmail.com>

        * function.c (stack_protect_epilogue): Use if rather than switch for
        check targetm.have_stack_protect_test.

2015-07-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h: Provide default for WORD_REGISTER_OPERATIONS.
        * config/alpha/alpha.h: Define WORD_REGISTER_OPERATIONS to 1.
        * config/arc/arc.h: Likewise.
        * config/arm/arm.h: Likewise.
        * config/bfin/bfin.h: Likewise.
        * config/epiphany/epiphany.h: Likewise.
        * config/frv/frv.h: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/iq2000/iq2000.h: Likewise.
        * config/lm32/lm32.h: Likewise.
        * config/m32r/m32r.h: Likewise.
        * config/mcore/mcore.h: Likewise.
        * config/mep/mep.h: Likewise.
        * config/microblaze/microblaze.h: Likewise.
        * config/mips/mips.h: Likewise.
        * config/mmix/mmix.h: Likewise.
        * config/mn10300/mn10300.h: Likewise.
        * config/nds32/nds32.h: Likewise.
        * config/nios2/nios2.h: Likewise.
        * config/pa/pa.h: Likewise.
        * config/rl78/rl78.h: Likewise.
        * config/sh/sh.h: Likewise.
        * config/sparc/sparc.h: Likewise.
        * config/stormy16/stormy16.h: Likewise.
        * config/tilegx/tilegx.h: Likewise.
        * config/tilepro/tilepro.h: Likewise.
        * config/v850/v850.h: Likewise.
        * config/xtensa/xtensa.h: Likewise.
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in: Adjust.
        * combine.c (simplify_set): Likewise.
        (simplify_comparison): Likewise.
        * expr.c (store_constructor): Likewise.
        * internal-fn.c (expand_arith_overflow): Likewise.
        * reload.c (push_reload): Likewise.
        (find_reloads): Likewise.
        (find_reloads_subreg_address): Likewise.
        * reload1.c (eliminate_regs_1): Likewise.
        * rtlanal.c (nonzero_bits1): Likewise.
        (num_sign_bit_copies1): Likewise.
        * simplify-rtx.c (simplify_truncation): Likewise.

2015-07-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * auto-inc-dec.c (pass_inc_dec::execute): Don't check the value
        of AUTO_INC_DEC with the preprocessor.
        * combine.c (combine_instructions): Likewise.
        (can_combine_p): Likewise.
        (try_combine): Likewise.
        * emit-rtl.c (try_split): Likewise.
        * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
        * lower-subreg.c (resolve_simple_move): Likewise.
        * lra.c (update_inc_notes): Likewise.
        * recog.c (asm_operand_ok): Likewise.
        (constrain_operands): Likewise.
        * regrename.c (scan_rtx_address): Likewise.
        * reload.c (update_auto_inc_notes): Likewise.
        (reg_inc_found_and_valid_p): Likewise.
        * reload1.c (reload): Likewise.
        (emit_input_reload_insns): Likewise.
        (delete_output_reload): Likewise.
        * sched-deps.c (init_insn_reg_pressure_info): Likewise.
        * valtrack.c (cleanup_auto_inc_dec): Likewise.

2015-07-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * rtl.h: Always define AUTO_INC_DEC.
        * auto-inc-dec.c (pass_inc_dec::execute): Adjust.
        * combine.c (combine_instructions): Likewise.
        (can_combine_p): Likewise.
        (try_combine): Likewise.
        * emit-rtl.c (try_split): Likewise.
        * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
        * lower-subreg.c (resolve_simple_move): Likewise.
        * lra.c (update_inc_notes): Likewise.
        * recog.c (asm_operand_ok): Likewise.
        (constrain_operands): Likewise.
        * regrename.c (scan_rtx_address): Likewise.
        * reload.c (update_auto_inc_notes): Likewise.
        (find_equiv_reg): Likewise.
        * reload1.c (reload): Likewise.
        (reload_as_needed): Likewise.
        (choose_reload_regs): Likewise.
        (emit_input_reload_insns): Likewise.
        (delete_output_reload): Likewise.
        * sched-deps.c (init_insn_reg_pressure_info): Likewise.
        * valtrack.c (cleanup_auto_inc_dec): Likewise.

2015-07-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * combine.c (can_combine_def_p): Don't check the value of
        HARD_FRAME_POINTER_IS_FRAME_POINTER with the preprocessor.
        (combinable_i3pat): Likewise.
        (mark_used_regs_combine): Likewise.
        * regrename.c (rename_chains): Likewise.
        * reload.c (find_reloads_address): Likewise.
        * sel-sched.c (mark_unavailable_hard_regs): Likewise.

2015-07-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * combine.c (update_rsp_from_reg_equal): Don't check if
        SHORT_IMMEDIATES_SIGN_EXTEND is defined.
        (reg_nonzero_bits_for_combine): Likewise.
        * config/alpha/alpha.h: Define SHORT_IMMEDIATES_SIGN_EXTEND to
        1.
        * config/frv/frv.h: Likewise.
        * config/lm32/lm32.h: Likewise.
        * config/mep/mep.h: Likewise.
        * config/mips/mips.h: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/sh/sh.h: Likewise.
        * config/tilegx/tilegx.h (enum reg_class): Likewise.
        * config/tilepro/tilepro.h: Likewise.
        * defaults.h: Add default for SHORT_IMMEDIATES_SIGN_EXTEND.
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in: Adjust.
        * rtlanal.c (nonzero_bits1): Likewise.

2015-07-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * combine.c (do_SUBST_MODE): Don't check the value of HAVE_cc0
        with the preprocessor.
        (combine_instructions): Likewise.
        (try_combine): Likewise.
        (subst): Likewise.
        (distribute_notes): Likewise.

2015-07-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * combine.c (try_combine): Don't check if LOAD_EXTEND_OP is
        defined.
        (simplify_set): Likewise.
        * cse.c (cse_insn): Likewise.
        * fold-const.c (fold_single_bit_test): Likewise.
        (fold_unary_loc): Likewise.
        * postreload.c (reload_cse_simplify_set): Likewise.
        (reload_cse_simplify_operands): Likewise.

2015-07-08  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.c (aarch64_unspec_may_trap_p): New function.
        (TARGET_UNSPEC_MAY_TRAP_P): Define as aarch64_unspec_may_trap_p.

2015-07-08  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66746
        * config/i386/x86intrin.h: Include <adxintrin.h> even if
        __iamcu__ is defined.

2015-07-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (general_reg_operand): Use GENERAL_REGNO_P.

2015-07-08  Iain Sandoe  <iain@codesourcery.com>

        PR target/66523
        * config/darwin.c (darwin_mark_decl_preserved): Exclude 'L' label
        names from preservation.

2015-07-08  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66806
        * config/i386/i386.c (type_natural_mode): Don't warn vector ABI
        change for IAMCU.
        (function_arg_advance_32): Don't pass vectors in registers for
        IAMCU.
        (function_arg_32): Likewise.
        (ix86_return_in_memory): Don't return vectors in registers for
        IAMCU.

2015-07-08  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/66334
        * ira-lives.c (process_bb_node_lives): Make conflicts with PIC
        hard regno live at the start of BB with incoming abnormal edges.
        * lra-lives.c (process_bb_lives): Ditto.

2015-07-08  Thomas Schwinge  <thomas@codesourcery.com>

        PR libgomp/65099
        * config/nvptx/mkoffload.c (main): Create an offload image only in
        64-bit configurations.

2015-07-08  Martin Liska  <mliska@suse.cz>

        PR bootstrap/66744
        * tree-sra.c (create_access_1): Call ctor without brackets.
        (create_artificial_child_access): Likewise.

2015-07-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66793
        * gimple-ssa-isolate-paths.c (insert_trap_and_remove_trailing_statemen):
        Properly split the block after stmts ending it.

2015-07-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66794
        * passes.c (execute_function_todo): Assert that post-dominators
        are not computed.
        * gimple-ssa-isolate-paths.c (gimple_ssa_isolate_erroneous_paths):
        Free post-dominators.

2015-07-08  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_init_frame_layout): Replace assertion
        with early exit.

2015-07-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*jcc_bt<mode>): Only allow const_int values
        more than or equal 8 and less than 32 when optimizing for size.

2015-07-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_new_rtx_costs): Initialise cost to
        COSTS_N_INSNS (1) and increment it appropriately throughout the
        function.

2015-07-08  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_widened_comparison): Fix inverted comparison.

2015-07-08  Alan Modra  <amodra@gmail.com>

        * target.def (rtx_costs): Remove "code" param, add "mode".
        * rtl.h (rtx_cost, get_full_rtx_cost): Update prototype.
        (set_src_cost, get_full_set_src_cost): Likewise.  Move later in file.
        (set_rtx_cost, get_full_set_rtx_cost): Move later in file.
        * rtlanal.c (rtx_cost): Add "mode" parameter.  Update targetm.rtx_costs
        call.  Track mode when given in rtx.
        (get_full_rtx_cost): Add "mode" parameter.  Update rtx_cost calls.
        (default_address_cost): Pass Pmode to rtx_cost.
        (insn_rtx_cost): Pass dest mode of set to set_src_cost.
        * cprop.c (try_replace_reg): Ensure set_rtx_cost is not called
        with NULL set.
        * cse.c (COST, COST_IN): Add MODE param.  Update all uses.
        (notreg_cost): Add mode param.  Use it.
        * gcse.c (want_to_gcse_p): Delete forward declaration.  Add
        mode param and pass to set_src_cost.  Update all calls.
        (hash_scan_set): Formatting.
        * hooks.c (hook_bool_rtx_int_int_int_intp_bool_false): Delete.
        (hook_bool_rtx_mode_int_int_intp_bool_false): New function.
        * hooks.h: Ditto.
        * expmed.c (init_expmed_one_conv, init_expmed_one_mode,
        init_expmed, expand_mult, mult_by_coeff_cost, expand_smod_pow2,
        emit_store_flag): Update set_src_cost and rtx_cost calls.
        * auto-inc-dec.c (attempt_change): Likewise.
        * calls.c (precompute_register_parameters): Likewise.
        * combine.c (expand_compound_operation, make_extraction,
        force_to_mode, distribute_and_simplify_rtx): Likewise.
        * dojump.c (prefer_and_bit_test): Likewise.
        * dse.c (find_shift_sequence): Likewise.
        * expr.c (compress_float_constant): Likewise.
        * fwprop.c (should_replace_address, try_fwprop_subst): Likewise.
        * ifcvt.c (noce_try_sign_mask): Likewise.
        * loop-doloop.c (doloop_optimize): Likewise.
        * loop-invariant.c (create_new_invariant): Likewise.
        * lower-subreg.c (shift_cost, compute_costs): Likewise.
        * optabs.c (avoid_expensive_constant, prepare_cmp_insn,
        lshift_cheap_p): Likewise.
        * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
        try_replace_in_use, reload_cse_move2add): Likewise.
        * reload1.c (calculate_elim_costs_all_insns, note_reg_elim_costly):
        Likewise.
        * simplify-rtx.c (simplify_binary_operation_1): Likewise.
        * tree-ssa-loop-ivopts.c (computation_cost): Likewise.
        * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Likewise.
        * tree-switch-conversion.c (emit_case_bit_tests): Likewise.
        * config/aarch64/aarch64.c (aarch64_rtx_costs): Delete "code" param,
        add "mode" param.  Use "mode: in place of GET_MODE (x).  Pass mode
        to rtx_cost calls.
        * config/alpha/alpha.c (alpha_rtx_costs): Likewise.
        * config/arc/arc.c (arc_rtx_costs): Likewise.
        * config/arm/arm.c (arm_rtx_costs): Likewise.
        * config/avr/avr.c (avr_rtx_costs, avr_rtx_costs_1): Likewise.
        * config/bfin/bfin.c (bfin_rtx_costs): Likewise.
        * config/c6x/c6x.c (c6x_rtx_costs): Likewise.
        * config/cris/cris.c (cris_rtx_costs): Likewise.
        * config/epiphany/epiphany.c (epiphany_rtx_costs): Likewise.
        * config/frv/frv.c (frv_rtx_costs): Likewise.
        * config/h8300/h8300.c (h8300_rtx_costs): Likewise.
        * config/i386/i386.c (ix86_rtx_costs): Likewise.
        * config/ia64/ia64.c (ia64_rtx_costs): Likewise.
        * config/iq2000/iq2000.c (iq2000_rtx_costs): Likewise.
        * config/lm32/lm32.c (lm32_rtx_costs): Likewise.
        * config/m32c/m32c.c (m32c_rtx_costs): Likewise.
        * config/m32r/m32r.c (m32r_rtx_costs): Likewise.
        * config/m68k/m68k.c (m68k_rtx_costs): Likewise.
        * config/mcore/mcore.c (mcore_rtx_costs): Likewise.
        * config/mep/mep.c (mep_rtx_cost): Likewise.
        * config/microblaze/microblaze.c (microblaze_rtx_costs): Likewise.
        * config/mips/mips.c (mips_rtx_costs): Likewise.
        * config/mmix/mmix.c (mmix_rtx_costs): Likewise.
        * config/mn10300/mn10300.c (mn10300_rtx_costs): Likewise.
        * config/msp430/msp430.c (msp430_rtx_costs): Likewise.
        * config/nds32/nds32-cost.c (nds32_rtx_costs_impl): Likewise.
        * config/nds32/nds32-protos.h (nds32_rtx_costs_impl): Likewise.
        * config/nds32/nds32.c (nds32_rtx_costs): Likewise.
        * config/nios2/nios2.c (nios2_rtx_costs): Likewise.
        * config/pa/pa.c (hppa_rtx_costs): Likewise.
        * config/pdp11/pdp11.c (pdp11_rtx_costs): Likewise.
        * config/rl78/rl78.c (rl78_rtx_costs): Likewise.
        * config/rs6000/rs6000.c (rs6000_rtx_costs): Likewise.
        * config/s390/s390.c (s390_rtx_costs): Likewise.
        * config/sh/sh.c (sh_rtx_costs): Likewise.
        * config/sparc/sparc.c (sparc_rtx_costs): Likewise.
        * config/spu/spu.c (spu_rtx_costs): Likewise.
        * config/stormy16/stormy16.c (xstormy16_rtx_costs): Likewise.
        * config/tilegx/tilegx.c (tilegx_rtx_costs): Likewise.
        * config/tilepro/tilepro.c (tilepro_rtx_costs): Likewise.
        * config/v850/v850.c (v850_rtx_costs): Likewise.
        * config/vax/vax.c (vax_rtx_costs): Likewise.
        * config/visium/visium.c (visium_rtx_costs): Likewise.
        * config/xtensa/xtensa.c (xtensa_rtx_costs): Likewise.
        * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Change type of
        "code" param, and pass as outer_code to first rtx_cost call.  Pass
        mode to rtx_cost calls.
        (aarch64_address_cost, aarch64_if_then_else_costs): Update rtx_cost
        calls.
        (aarch64_rtx_costs_wrapper): Update.
        * config/arm/arm.c (arm_rtx_costs_1, arm_size_rtx_costs,
        arm_unspec_cost, arm_new_rtx_costs, arm_slowmul_rtx_costs): Update
        rtx_cost calls.
        * config/avr/avr.c (avr_final_prescan_insn): Update set_src_cost
        and rtx_cost calls.
        (avr_operand_rtx_cost): Similarly.
        (avr_rtx_costs_1): Correct mode passed to avr_operand_rtx_cost
        for subexpressions of ZERO_EXTEND, SIGN_EXTEND and COMPARE.
        * config/mips/mips.c (mips_stack_address_p): Comment typo.
        (mips_binary_cost): Update rtx_cost and set_src_cost calls.
        (mips_rtx_costs): Use GET_MODE (x) to detect const_int.
        * config/mn10300/mn10300.c (mn10300_address_cost): Pass Pmode to
        rtx_cost.
        (mn10300_rtx_costs): Correct mode passed to mn10300_address_cost.
        * config/rs6000/rs6000.c (rs6000_debug_rtx_costs): Update.
        * config/sh/sh.c (and_xor_ior_costs): Update rtx_cost call.
        * doc/tm.texi: Regenerate.

2015-07-07  Andrew MacLeod  <amacleod@redhat.com>

        * tree-core.h: Include symtab.h.
        * rtl.h: Include hard-reg-set.h but not flags.h.
        (HARD_CONST): Remove condition compilation involving HARD_CONST since
        hard-reg-set.h is always included.
        * regs.h: Don't include hard-reg-set.h or rtl.h.
        * cfg.h: Include dominance.h.
        * gimple.h: Include tree-ssa-alias.h and gimple-expr.h.
        * backend.h: New.  Aggregate commonly used backend header files.
        * gimple-ssa.h: Don't include tree-hasher.h.
        * ssa.h: New.  Aggregate commonly used SSA header files.
        * regset.h: Remove bitmap.h and hard-reg-set.h #includes.
        * sel-sched-ir.h: Flatten includes.
        * lra-int.h: Flatten completely.
        * sel-sched-dump.h: Flatten includes.
        * ira-int.h: Flatten includes.
        * gimple-streamer.h: Remove all includes.
        * cfgloop.h: Remove all #includes except cfgloopmanip.h.
        * resource.h: Flatten hard-reg-set.h and df.h.
        * sched-int.h: Flatten insn-arrt.h and df.h.
        * valtrack.h: flatten bitmap.h, df.h, and rtl.h
        * df.h: Flatten includes, leaving regset.h, alloc-pool.h and timevar.h.
        * genattrtab.c (write_header): Adjust generated includes.
        * genautomata.c (main): Likewise.
        * genconditions.c (write-header): Likewise.
        * genemit.c (main): Likewise.
        * gengtype.c (open_base_files): Likewise.
        * genopinit.c (main): Likewise.
        * genoutput.c (output_prologue): Likewise.
        * genpeep.c (main): Likewise.
        * genpreds.c (write_insn_preds_c): Likewise.
        * genrecog.c (write_header): Likewise.
        * alias.c: Adjust includes.
        * asan.c: Likewise.
        * attribs.c: Likewise.
        * auto-inc-dec.c: Likewise.
        * auto-profile.c: Likewise.
        * bb-reorder.c: Likewise.
        * bt-load.c: Likewise.
        * builtins.c: Likewise.
        * caller-save.c: Likewise.
        * calls.c: Likewise.
        * ccmp.c: Likewise.
        * cfg.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfgexpand.c: Likewise.
        * cfghooks.c: Likewise.
        * cfgloop.c: Likewise.
        * cfgloopanal.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * cfgrtl.c: Likewise.
        * cgraph.c: Likewise.
        * cgraphbuild.c: Likewise.
        * cgraphclones.c: Likewise.
        * cgraphunit.c: Likewise.
        * cilk-common.c: Likewise.
        * combine-stack-adj.c: Likewise.
        * combine.c: Likewise.
        * compare-elim.c: Likewise.
        * convert.c: Likewise.
        * coverage.c: Likewise.
        * cppbuiltin.c: Likewise.
        * cprop.c: Likewise.
        * cse.c: Likewise.
        * cselib.c: Likewise.
        * data-streamer-in.c: Likewise.
        * data-streamer-out.c: Likewise.
        * data-streamer.c: Likewise.
        * dbxout.c: Likewise.
        * dce.c: Likewise.
        * ddg.c: Likewise.
        * debug.c: Likewise.
        * df-core.c: Likewise.
        * df-problems.c: Likewise.
        * df-scan.c: Likewise.
        * dfp.c: Likewise.
        * dojump.c: Likewise.
        * dominance.c: Likewise.
        * domwalk.c: Likewise.
        * double-int.c: Likewise.
        * dse.c: Likewise.
        * dumpfile.c: Likewise.
        * dwarf2asm.c: Likewise.
        * dwarf2cfi.c: Likewise.
        * dwarf2out.c: Likewise.
        * emit-rtl.c: Likewise.
        * et-forest.c: Likewise.
        * except.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fixed-value.c: Likewise.
        * fold-const.c: Likewise.
        * function.c: Likewise.
        * fwprop.c: Likewise.
        * gcc-plugin.h: Likewise.
        * gcse-common.c: Likewise.
        * gcse.c: Likewise.
        * generic-match-head.c: Likewise.
        * ggc-page.c: Likewise.
        * gimple-builder.c: Likewise.
        * gimple-expr.c: Likewise.
        * gimple-fold.c: Likewise.
        * gimple-iterator.c: Likewise.
        * gimple-low.c: Likewise.
        * gimple-match-head.c: Likewise.
        * gimple-pretty-print.c: Likewise.
        * gimple-ssa-isolate-paths.c: Likewise.
        * gimple-ssa-strength-reduction.c: Likewise.
        * gimple-streamer-in.c: Likewise.
        * gimple-streamer-out.c: Likewise.
        * gimple-walk.c: Likewise.
        * gimple.c: Likewise.
        * gimplify-me.c: Likewise.
        * gimplify.c: Likewise.
        * godump.c: Likewise.
        * graph.c: Likewise.
        * graphite-blocking.c: Likewise.
        * graphite-dependences.c: Likewise.
        * graphite-interchange.c: Likewise.
        * graphite-isl-ast-to-gimple.c: Likewise.
        * graphite-optimize-isl.c: Likewise.
        * graphite-poly.c: Likewise.
        * graphite-scop-detection.c: Likewise.
        * graphite-sese-to-poly.c: Likewise.
        * graphite.c: Likewise.
        * haifa-sched.c: Likewise.
        * hw-doloop.c: Likewise.
        * ifcvt.c: Likewise.
        * init-regs.c: Likewise.
        * internal-fn.c: Likewise.
        * ipa-chkp.c: Likewise.
        * ipa-comdats.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-devirt.c: Likewise.
        * ipa-icf-gimple.c: Likewise.
        * ipa-icf.c: Likewise.
        * ipa-inline-analysis.c: Likewise.
        * ipa-inline-transform.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-polymorphic-call.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-ref.c: Likewise.
        * ipa-reference.c: Likewise.
        * ipa-split.c: Likewise.
        * ipa-utils.c: Likewise.
        * ipa-visibility.c: Likewise.
        * ipa.c: Likewise.
        * ira-build.c: Likewise.
        * ira-color.c: Likewise.
        * ira-conflicts.c: Likewise.
        * ira-costs.c: Likewise.
        * ira-emit.c: Likewise.
        * ira-lives.c: Likewise.
        * ira.c: Likewise.
        * jump.c: Likewise.
        * langhooks.c: Likewise.
        * lcm.c: Likewise.
        * loop-doloop.c: Likewise.
        * loop-init.c: Likewise.
        * loop-invariant.c: Likewise.
        * loop-iv.c: Likewise.
        * loop-unroll.c: Likewise.
        * lower-subreg.c: Likewise.
        * lra-assigns.c: Likewise.
        * lra-coalesce.c: Likewise.
        * lra-constraints.c: Likewise.
        * lra-eliminations.c: Likewise.
        * lra-lives.c: Likewise.
        * lra-remat.c: Likewise.
        * lra-spills.c: Likewise.
        * lra.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-compress.c: Likewise.
        * lto-opts.c: Likewise.
        * lto-section-in.c: Likewise.
        * lto-section-out.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * lto-streamer.c: Likewise.
        * mcf.c: Likewise.
        * mode-switching.c: Likewise.
        * modulo-sched.c: Likewise.
        * omega.c: Likewise.
        * omp-low.c: Likewise.
        * optabs.c: Likewise.
        * opts-global.c: Likewise.
        * passes.c: Likewise.
        * plugin.c: Likewise.
        * postreload-gcse.c: Likewise.
        * postreload.c: Likewise.
        * predict.c: Likewise.
        * print-rtl.c: Likewise.
        * print-tree.c: Likewise.
        * profile.c: Likewise.
        * real.c: Likewise.
        * realmpfr.c: Likewise.
        * recog.c: Likewise.
        * ree.c: Likewise.
        * reg-stack.c: Likewise.
        * regcprop.c: Likewise.
        * reginfo.c: Likewise.
        * regrename.c: Likewise.
        * regstat.c: Likewise.
        * reload.c: Likewise.
        * reload1.c: Likewise.
        * reorg.c: Likewise.
        * resource.c: Likewise.
        * rtl-chkp.c: Likewise.
        * rtlanal.c: Likewise.
        * rtlhooks.c: Likewise.
        * sanopt.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-ebb.c: Likewise.
        * sched-rgn.c: Likewise.
        * sched-vis.c: Likewise.
        * sdbout.c: Likewise.
        * sel-sched-dump.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * sel-sched.c: Likewise.
        * sese.c: Likewise.
        * shrink-wrap.c: Likewise.
        * simplify-rtx.c: Likewise.
        * stack-ptr-mod.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * store-motion.c: Likewise.
        * stringpool.c: Likewise.
        * symtab.c: Likewise.
        * target-globals.c: Likewise.
        * targhooks.c: Likewise.
        * toplev.c: Likewise.
        * tracer.c: Likewise.
        * trans-mem.c: Likewise.
        * tree-affine.c: Likewise.
        * tree-browser.c: Likewise.
        * tree-call-cdce.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-chkp-opt.c: Likewise.
        * tree-chkp.c: Likewise.
        * tree-chrec.c: Likewise.
        * tree-complex.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-dfa.c: Likewise.
        * tree-diagnostic.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-emutls.c: Likewise.
        * tree-if-conv.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-iterator.c: Likewise.
        * tree-loop-distribution.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-nrv.c: Likewise.
        * tree-object-size.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-phinodes.c: Likewise.
        * tree-predcom.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-profile.c: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa-address.c: Likewise.
        * tree-ssa-alias.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree-ssa-copy.c: Likewise.
        * tree-ssa-copyrename.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-ssa-dom.c: Likewise.
        * tree-ssa-dse.c: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * tree-ssa-ifcombine.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-ch.c: Likewise.
        * tree-ssa-loop-im.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-ssa-loop-manip.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-loop-unswitch.c: Likewise.
        * tree-ssa-loop.c: Likewise.
        * tree-ssa-math-opts.c: Likewise.
        * tree-ssa-operands.c: Likewise.
        * tree-ssa-phiopt.c: Likewise.
        * tree-ssa-phiprop.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-propagate.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-ssa-scopedtables.c: Likewise.
        * tree-ssa-sink.c: Likewise.
        * tree-ssa-strlen.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-ssa-tail-merge.c: Likewise.
        * tree-ssa-ter.c: Likewise.
        * tree-ssa-threadedge.c: Likewise.
        * tree-ssa-threadupdate.c: Likewise.
        * tree-ssa-uncprop.c: Likewise.
        * tree-ssa-uninit.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-ssanames.c: Likewise.
        * tree-stdarg.c: Likewise.
        * tree-streamer-in.c: Likewise.
        * tree-streamer-out.c: Likewise.
        * tree-streamer.c: Likewise.
        * tree-switch-conversion.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-generic.c: Likewise.
        * tree-vect-loop-manip.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-slp.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.
        * tsan.c: Likewise.
        * ubsan.c: Likewise.
        * valtrack.c: Likewise.
        * value-prof.c: Likewise.
        * var-tracking.c: Likewise.
        * varasm.c: Likewise.
        * varpool.c: Likewise.
        * vmsdbgout.c: Likewise.
        * vtable-verify.c: Likewise.
        * web.c: Likewise.
        * wide-int.cc: Likewise.
        * xcoffout.c: Likewise.
        * config/aarch64/aarch64-builtins.c: Likewise.
        * config/aarch64/aarch64.c: Likewise.
        * config/aarch64/cortex-a57-fma-steering.c: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/aarch-common.c: Likewise.
        * config/arm/arm-builtins.c: Likewise.
        * config/arm/arm-c.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/avr/avr-c.c: Likewise.
        * config/avr/avr-log.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/c6x/c6x.c: Likewise.
        * config/cr16/cr16.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/darwin.c: Likewise.
        * config/epiphany/epiphany.c: Likewise.
        * config/epiphany/mode-switch-use.c: Likewise.
        * config/epiphany/resolve-sw-modes.c: Likewise.
        * config/fr30/fr30.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/ft32/ft32.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/i386/i386-c.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/msformat-c.c: Likewise.
        * config/i386/winnt-cxx.c: Likewise.
        * config/i386/winnt-stubs.c: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64-c.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/lm32/lm32.c: Likewise.
        * config/m32c/m32c-pragma.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep-pragma.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/microblaze/microblaze-c.c: Likewise.
        * config/microblaze/microblaze.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/moxie/moxie.c: Likewise.
        * config/msp430/msp430-c.c: Likewise.
        * config/msp430/msp430.c: Likewise.
        * config/nds32/nds32-cost.c: Likewise.
        * config/nds32/nds32-fp-as-gp.c: Likewise.
        * config/nds32/nds32-intrinsic.c: Likewise.
        * config/nds32/nds32-isr.c: Likewise.
        * config/nds32/nds32-md-auxiliary.c: Likewise.
        * config/nds32/nds32-memory-manipulation.c: Likewise.
        * config/nds32/nds32-pipelines-auxiliary.c: Likewise.
        * config/nds32/nds32-predicates.c: Likewise.
        * config/nds32/nds32.c: Likewise.
        * config/nios2/nios2.c: Likewise.
        * config/nvptx/nvptx.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/rl78/rl78-c.c: Likewise.
        * config/rl78/rl78.c: Likewise.
        * config/rs6000/rs6000-c.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/s390/s390-c.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sh/sh-c.c: Likewise.
        * config/sh/sh-mem.cc: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh_optimize_sett_clrt.cc: Likewise.
        * config/sh/sh_treg_combine.cc: Likewise.
        * config/sol2-c.c: Likewise.
        * config/sol2-cxx.c: Likewise.
        * config/sol2-stubs.c: Likewise.
        * config/sol2.c: Likewise.
        * config/sparc/sparc-c.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu-c.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/tilegx/mul-tables.c: Likewise.
        * config/tilegx/tilegx-c.c: Likewise.
        * config/tilegx/tilegx.c: Likewise.
        * config/tilepro/mul-tables.c: Likewise.
        * config/tilepro/tilepro-c.c: Likewise.
        * config/tilepro/tilepro.c: Likewise.
        * config/v850/v850-c.c: Likewise.
        * config/v850/v850.c: Likewise.
        * config/vax/vax.c: Likewise.
        * config/visium/visium.c: Likewise.
        * config/vms/vms-c.c: Likewise.
        * config/vms/vms.c: Likewise.
        * config/vxworks.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.

2015-07-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*jcc_bt<mode>): Only split before reload.
        Remove operand constraints.  Change operand 2 predicate to
        nonmemory operand.  Limit const_int values to mode bitsize.  Only
        allow const_int values less than 32 when optimizing for size.
        (*jcc_bt<mode>_1, *jcc_bt<mode>_mask): Only split before reload.
        Remove operand constraints.
        (*bt<mode>): Use SImode for const_int values less than 32.
        (regmode): Remove mode attribute.

2015-07-07  Anatoly Sokolov  <aesok@post.ru>

        * config/moxie/moxie.h (GO_IF_LEGITIMATE_ADDRESS): Remove macros.
        * config/moxie/moxie.c (moxie_reg_ok_for_base_p,
          moxie_legitimate_address_p): New functions.
          (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.

2015-07-07  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/66642
        * tree-parloops.c (transform_to_exit_first_loop_alt): Update function
        header comment.  Rename split_edge variable to edge_at_split.  Split
        exit edge to create new loop exit bb.  Insert loop exit phis in new
        loop exit bb.

2015-07-07  Tom de Vries  <tom@codesourcery.com>

        * tree-cfg.c (get_virtual_phi): New function.
        * tree-cfg.h (get_virtual_phi): Declare.
        * tree-ssa-loop-manip.c (replace_uses_in_dominated_bbs)
        (rewrite_virtuals_into_loop_closed_ssa): New function.
        * tree-ssa-loop-manip.h (rewrite_virtuals_into_loop_closed_ssa):
        Declare.
        * tree-parloops.c (replace_uses_in_bbs_by): Remove.
        (transform_to_exit_first_loop_alt): Use
        rewrite_virtuals_into_loop_closed_ssa.

2015-07-07  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Move
        (X & C2) << C1 -> (X << C1) & (C2 << C1) simplification ...
        * match.pd: ... here.
        Add (X * C1) % C2 -> 0 simplification pattern derived from
        extract_muldiv_1.

2015-07-07  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/66780
        * config/sh/sh.md (symGOT_load): Revert a part of 2015-03-03
        change for target/65249.

2015-07-07  Paulo Matos  <pmatos@broadcom.com>

        * symtab.c (address_matters_1): Fix typo in comment above.
        (can_increase_alignment_p): Likewise.

2015-07-07  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * function.c (free_after_compilation): Clear PROP_cfg in
        f->curr_properties.

2015-07-07  Richard Biener  <rguenther@suse.de>

        * tree-ssa-propagate.c (add_ssa_edge): Dump what edge list we
        add which use to.
        (add_control_edge): Remove excessive vertical space in dumping.
        (process_ssa_edge_worklist): Simulate at most one statement and
        return whether we did.  Do not simulate PHIs if they are in a
        BB not yet simulated.
        (ssa_propagate): Adjust to always drain the BB worklist whenever
        a BB is available there, likewise the VARYING edges list before
        the interesting edge list.

2015-07-07  Christian Bruel  <christian.bruel@st.com>

        PR target/52144
        * config/arm/elf.h (TARGET_ASM_FILE_START_APP_OFF): Delete.

2015-07-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/66739
        * match.pd: Condition A - B ==/!= 0 -> A ==/!= B on single-use
        A - B.

2015-07-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (insv<mode>): Rename from insv.  Use SWI48
        modes for operands 0 and 3.  Use SImode for operands 2 and 3.
        Copy operand 0 to a temporary if !ext_register_operand.  Remove
        ancient extract_bit_field workaround.
        (insv<mode>_1): Rename from mov<mode>_insv_1.
        (*insvqi): Rename from *movqi_insv_2.
        * config/i386/i386.c (emit_i386_cw_initialization): Update calls
        for renamed insvsi_1.
        (promote_duplicated_reg): Ditto for renamed insv<mode>_1.

2015-07-06  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_reorg): Remove unused vars.  Fix
        call to nvptx_reorg_subreg.

2015-07-06  Jim Wilson  <jim.wilson@linaro.org>

        * graphite-blocking.c (HAVE_isl): Include <stddef.h>.
        * graphite-dependencies.c, graphite-interchange.c,
        graphite-isl-ast-to-gimple.c, graphite-optimize-isl.c, graphite-poly.c,
        graphite-scop-detection.c, graphite-sese-to-poly.c, graphite.c:
        Likewise.

2015-07-06  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd: Remove element_mode inside HONOR_*.
        (~ (-A) -> A - 1, ~ (A - 1) -> -A): Handle complex types.
        (~X | X -> -1, ~X ^ X -> -1): Merge.
        * tree.c (build_each_one_cst): New function.
        * tree.h (build_each_one_cst): Likewise.

2015-07-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-c.c (ix86_target_macros_internal): Handle
        PROCESSOR_IAMCU.

2015-07-06  Steve Ellcey  <sellcey@imgtec.com>

        * config.gcc <mips*-*-*>: Add fused-madd.opt.
        * config/mips/mips.opt (mfused-madd): Remove.
        * config/mips/mips.c (mips_rtx_costs): Update cost calculations.
        * config/mips/mips.h (TARGET_MIPS8000): New.
        (ISA_HAS_FP_MADD4_MSUB4): Remove.
        (ISA_HAS_FP_MADDF_MSUBF): Remove.
        (ISA_HAS_FP_MADD3_MSUB3): Remove.
        (ISA_HAS_NMADD4_NMSUB4): Remove.
        (ISA_HAS_NMADD3_NMSUB3): Remove.
        (ISA_HAS_FUSED_MADD4): New.
        (ISA_HAS_UNFUSED_MADD4): New.
        (ISA_HAS_FUSED_MADDF): New.
        (ISA_HAS_FUSED_MADD3): New.
        * config/mips/mips.md: (fma<mode>4) Change from insn to expand.
        (*fma<mode>4_madd3) New.
        (*fma<mode>4_madd4) New.
        (*fma<mode>4_maddf) New.
        (fms<mode>4) New.
        (*fms<mode>4_msub3) New.
        (*fms<mode>4_msub4) New.
        (fnma<mode>4) New.
        (*fnma<mode>4_nmadd3) New.
        (*fnma<mode>4_nmadd4) New.
        (fnms<mode>4) New.
        (*fnms<mode>4_nmsub3) New.
        (*fnms<mode>4_nmsub4) New.
        (*madd4<mode>) Modify to be unfused only.
        (*msub4<mode>) Modify to be unfused only.
        (*nmadd4<mode>) Modify to be unfused only.
        (*nmsub4<mode>) Modify to be unfused only.
        (*madd3<mode>) Remove.
        (*msub3<mode>) Remove.
        (*nmadd3<mode>) Remove.
        (*nmsub3<mode>) Remove.
        (*nmadd3<mode>_fastmath) Remove.
        (*nmsub3<mode>_fastmath) Remove.
        (*nmadd4<mode>_fastmath) Update condition.
        (*nmsub4<mode>_fastmath) Update condition.

2015-07-06  Alan Lawrence  <alan.lawrence@arm.com>

        PR target/65956
        * config/arm/arm.c (arm_needs_doubleword_align): Drop any outer
        alignment attribute, exploring one level down for records and arrays.

2015-07-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (extv<mode>): Rename from extv.  Use SWI24
        modes for operands 0 and 1.  Use SImode for operands 2 and 3.
        Copy operand 1 to a temporary if !ext_register_operand.  Remove
        ancient extract_bit_field workaround.
        (*extv<mode>): Rename from *mov<mode>_extv_1.
        (*extvqi): Rename from *movqi_extv_1.
        (extzv<mode>): Rename from extzv.  Use SWI248 modes for
        operands 0 and 1.  Use SImode for operands 2 and 3. Copy operand 1
        to a temporary if !ext_register_operand.  Remove ancient
        extract_bit_field workaround.
        (*extzv<mode>): Rename from *mov<mode>_extzv_1.
        (*extzvqi): Rename from *movqi_extzv_2.
        (*testqi_ext_3): Remove modes from const_int_operand predicated
        operands.  Add "n" constraint.
        (*btsq, *btrq, *btcq): Remove mode from const_0_to_63 predicated
        operand.  Add "J" constraint.
        (*btsq, *btrq, *btcq peephole2s): Remove mode from
        const_0_to_63 predicated operand.
        (regmode): New insn attribute.
        (*bt<mode>): Use SImode for operand 1.  Change operand 1 predicate
        to nonmemory_operand.  Use regmode insn attribute.
        (*jcc_bt<mode>_1): Convert operand 2 to SImode.
        (*jcc_bt<mode>_mask): Remove mode from operand 3.
        (*jcc_btsi_1, *jcc_btsi_mask_1): Remove patterns.
        (tbm_bextri_<mode>): Remove modes from const_0_to_255 predicated
        operands.  Use "N" constraint instead of "n".

2015-07-06  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/arm.md (movdi): Avoid odd-number ldrd/strd in ARM state.

2015-07-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66749
        * config/i386/i386.c (iamcu_cost): New.
        (m_IAMCU): Likewise.
        (initial_ix86_arch_features): Disable X86_ARCH_CMOV for m_IAMCU.
        (processor_target_table): Add an entry for "iamcu".
        (processor_alias_table): Likewise.
        (ix86_issue_rate): Handle PROCESSOR_IAMCU.
        (ix86_adjust_cost): Likewise.
        (ia32_multipass_dfa_lookahead): Likewise.
        * config/i386/i386.h (processor_type): Add PROCESSOR_IAMCU.
        * config/i386/x86-tune.def: Updated for m_IAMCU.

2015-07-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66772
        * tree-ssa-ccp.c (ccp_visit_phi_node): Make sure that copy
        values are available in the PHI node BB when there are
        still unexecutable edges.

2015-07-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66767
        * tree-vect-loop-manip.c (vect_create_cond_for_align_checks):
        Make sure to build the alignment test on a SSA name without
        final alignment info valid only if the alignment test
        evaluates to true.

2015-07-06  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/66620
        * config/bfin/bfin.c (hwloop_optimize): Create new bb between jump and
        loop start when inserting LSETUP.

2015-07-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/53383
        * config/i386/i386.c (ix86_option_override_internal): Allow
        -mincoming-stack-boundary=3 for 64-bit if SSE is disabled.

2015-07-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * read-md.c (decimal_string): Rename to ...
        (md_decimal_string): ... this.
        (handle_enum): Reflect this.

2015-07-06  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/66731
        * config/aarch64/aarch64.md (fnmul<mode>3): Handle -frounding-math.

2015-07-06  Richard Biener  <rguenther@suse.de>

        PR middle-end/66759
        * match.pd: Add missing constraint of y to REAL_CST in
        REAL_CST - x CMP y to y - CST CMP x simplification.

2015-07-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/66757
        * match.pd: Add missing condition to ~X ^ C -> X ^ ~C.

2015-07-05  Chung-Lin Tang  <cltang@codesourcery.com>
            Sandra Loosemore <sandra@codesourcery.com>

        * config/nios2/nios2-protos.h (nios2_symbol_ref_in_small_data_p):
        Delete extern declaration.
        (gprel_constant_p): Add extern declaration.
        * config/nios2/constraints.md ("S"): Use gprel_constant_p
        instead of nios2_symbol_ref_in_small_data_p.
        * config/nios2/nios2.c (nios2_legitimate_address_p): Likewise.
        (nios2_symbol_ref_in_small_data_p): Make static.
        (gprel_constant_p): Make non-static.

2015-07-05  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/fragments.texi (Target Fragment): Convert debian.org
        link to use https.
        * doc/install.texi (Configuration): Ditto.

2015-07-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/66718
        * tree-vect-stmts.c (vectorizable_call): Replace uses of
        GOMP_SIMD_LANE outside of loop with vf - 1 rather than 0.

        PR tree-optimization/66718
        * tree-vect-stmts.c (vectorizable_assignment, vectorizable_store,
        vectorizable_load, vectorizable_condition): Move vectype,
        nunits, ncopies computation after checking what kind of statement
        stmt is.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (extv, extzv, insv): New targetm instruction
        patterns.
        * optabs.c (get_extraction_insn): Use them instead of HAVE_*/gen_*
        interface.
        * recog.c (simplify_while_replacing): Likewise.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (doloop_begin, doloop_end): New targetm
        instruction patterns.
        * loop-init.c: Include target.h.
        (pass_loop2::gate): Use the new targetm patterns instead of
        HAVE_*/gen_* interface.
        (pass_rtl_doloop::gate): Likewise.
        (pass_rtl_doloop::execute): Remove preprocessor condition.
        * hw-doloop.c: Build unconditionally.
        * loop-doloop.c: Likewise.
        (doloop_optimize): Use the new targetm patterns instead of
        HAVE_*/gen_* interface.
        (doloop_modify): Likewise. Change type of doloop_seq to rtx_insn *.
        * modulo-sched.c (doloop_register_get): Likewise.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (clear_cache): New targetm instruction pattern.
        * builtins.c (expand_builtin___clear_cache): Use it instead of
        HAVE_*/gen_* interface.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (allocate_stack, check_stack, probe_stack)
        (probe_stack_address, split_stack_prologue, split_stack_space_check):
        New targetm instruction patterns.
        * explow.c (allocate_dynamic_stack_space): Use them instead of
        HAVE_*/gen_* interface.
        (emit_stack_probe): Likewise.
        (probe_stack_range): Likewise.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (stack_protect_set, stack_protect_test): New
        targetm instruction patterns.
        * cfgexpand.c (stack_protect_prologue): Use them instead of
        HAVE_*/gen_* interface.
        * function.c (stack_protect_epilogue): Likewise.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * expr.h (gen_move_insn_uncast): Delete.
        * expr.c (gen_move_insn_uncast): Delete.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (restore_stack_block, restore_stack_function)
        (restore_stack_nonlocal, save_stack_block, save_stack_function)
        (save_stack_nonlocal): New targetm instruction patterns.
        * builtins.c (expand_builtin_apply): Use them instead of
        HAVE_*/gen_* interface.
        * explow.c (emit_stack_save, emit_stack_restore): Likewise.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (trap): New targetm instruction pattern.
        * builtins.c (expand_builtin_trap): Use it instead of HAVE_*/gen_*
        interface.
        * explow.c (allocate_dynamic_stack_space): Likewise.
        * ifcvt.c (find_if_header): Likewise.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (prefetch): New targetm instruction pattern.
        * tree-ssa-loop-prefetch.c: Include targeth.
        (tree_ssa_prefetch_arrays): Use prefetch targetm pattern instead
        of HAVE_*/gen_* interface.
        * builtins.c (expand_builtin_prefetch): Likewise.
        * toplev.c (process_options): Likewise.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (untyped_call, untyped_return): New targetm
        instruction patterns.
        * builtins.c (expand_builtin_apply): Use them instead of
        HAVE_*/gen_* interface.
        (result_vector): Define unconditionally.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (builtin_longjmp, builtin_setjmp_receiver)
        (builtin_setjmp_setup, exception_receiver, nonlocal_goto)
        (nonlocal_goto_receiver): New targetm instruction patterns.
        * builtins.c (expand_builtin_setjmp_setup): Use them instead
        of HAVE_*/gen_* interface.
        (expand_builtin_setjmp_receiver): Likewise.
        (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
        * except.c (expand_dw2_landing_pad_for_region): Likewise.

2015-07-05  Richard Sandiford  <richard.sandiford@arm.com>

        * target.def: Add code_for_* hooks.
        * gentarget-def.c (def_target_insn): Add TARGET_CODE_FOR_* macros.
        * defaults.h (HAVE_tablejump, gen_tablejump): Delete.
        * target-insns.def (casesi, tablejump): New targetm instruction
        patterns.
        * expr.c (try_casesi): Use them instead of HAVE_*/gen_* interface.
        (do_tablejump): Likewise.
        * stmt.c (expand_switch_as_decision_tree_p): Likewise.
        (expand_sjlj_dispatch_table): Likewise.
        * targhooks.c (default_case_values_threshold): Likewise.

2015-07-04  Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2.c (save_reg, restore_reg): Use plus_constant.
        Use rtx_insn * instead of rtx.
        (nios2_emit_add_constant): Use rtx_insn * instead of rtx.
        (nios2_expand_prologue, nios2_expand_epilogue): Likewise.
        (nios2_call_tls_get_addr): Likewise.
        (nios2_emit_expensive_div): Likewise.
        (nios2_emit_move_sequence): Change return type to bool.
        * config/nios2/nios2-protos.h (nios2_emit_move_sequence):
        Change return type to bool.

2015-07-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR target/66747
        * config/mips/mips.c (mips_find_gp_ref): Handle instruction sequences.

2015-07-04  John David Anglin  <danglin@gcc.gnu.org>

        PR target/66114
        * config/pa/pa.md (indirect_jump): Use pmode_register_operand instead
        of register_operand.  Remove constraint.

2015-07-04  Marc Glisse  <marc.glisse@inria.fr>

        * tree-cfg.c (verify_gimple_assign_ternary) <VEC_COND_EXPR>: Check
        the first argument.

2015-07-03  Paolo Carlini  <paolo.carlini@oracle.com>

        * attribs.c (decl_attributes): Guard inform with the return value
        of the preceding warning.

2015-07-03  James Greenhalgh  <james.greenhalgh@arm.com>

        * doc/invoke.texi (moverride): Move to correct section.

2015-07-03  Richard Biener  <rguenther@suse.de>

        * genmatch.c (commutative_tree_code, commutative_ternary_tree_code):
        Copy from tree.c
        (dt_operand::gen_gimple_expr): After valueizing operands
        re-canonicalize operand order for commutative tree codes.

2015-07-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66746.
        * config/i386/ia32intrin.h (__crc32b): Don't define if __iamcu__
        is defined.
        (__crc32w): Likewise.
        (__crc32d): Likewise.
        (__rdpmc): Likewise.
        (__rdtscp): Likewise.
        (_rdpmc): Likewise.
        (_rdtscp): Likewise.
        * config/i386/x86intrin.h: Only include ia32intrin.h if __iamcu__
        is defined.

2015-07-03  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_mathfn_compare): Remove.
        (fold_inf_compare): Likewise.
        (fold_comparison): Move floating point comparison simplifications...
        * match.pd: ... to patterns here.  Introduce simple_comparisons
        operator list and use it for patterns formerly in fold_comparison.

2015-07-03  James Greenhalgh  <james.greenhalgh@arm.com>

        PR tree-optimization/66119
        * toplev.c (process_options): Don't set up default values for
        the sra_max_scalarization_size_{speed,size} parameters.
        * tree-sra (analyze_all_variable_accesses): If no values
        have been set for the sra_max_scalarization_size_{speed,size}
        parameters, call get_move_ratio to get target defaults.

2015-07-03  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Move (T)ptr & CST folding...
        * match.pd: ... here.

2015-07-03  Gerald Pfeifer  <gerald@pfeifer.com>

        PR target/37072
        * doc/invoke.texi (i386 and x86-64 Options): -mno-fancy-math-387
        is not actually the default on FreeBSD.

2015-07-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def (CMPGE_16QI): New built-in
        definition.
        (CMPGE_8HI): Likewise.
        (CMPGE_4SI): Likewise.
        (CMPGE_2DI): Likewise.
        (CMPGE_U16QI): Likewise.
        (CMPGE_U8HI): Likewise.
        (CMPGE_U4SI): Likewise.
        (CMPGE_U2DI): Likewise.
        (CMPLE_16QI): Likewise.
        (CMPLE_8HI): Likewise.
        (CMPLE_4SI): Likewise.
        (CMPLE_2DI): Likewise.
        (CMPLE_U16QI): Likewise.
        (CMPLE_U8HI): Likewise.
        (CMPLE_U4SI): Likewise.
        (CMPLE_U2DI): Likewise.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        overloads for ALTIVEC_BUILTIN_VEC_CMPGE and
        ALTIVEC_BUILTIN_VEC_CMPLE.
        * config/rs6000/vector.md (vector_ge<mode>): Restrict to
        floating-point vector modes.
        (vector_nlt<mode>): New define_expand.
        (vector_nltu<mode>): Likewise.
        (vector_ngt<mode>): Likewise.
        (vector_ngtu<mode>): Likewise.

2015-07-02  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/66706
        * combine.c (make_compound_operation): If an AND of SUBREG of
        LSHIFTRT does not simplify, see if just the AND of SUBREG does.

2015-07-02  Alan Lawrence  <alan.lawrence@arm.com>

        * tree-pass.h (make_pass_ch_vect): New.
        * passes.def: Add pass_ch_vect just before pass_if_conversion.

        * tree-ssa-loop-ch.c (ch_base, pass_ch_vect, pass_data_ch_vect,
        pass_ch::process_loop_p, pass_ch_vect::process_loop_p,
        make_pass_ch_vect): New.
        (pass_ch): Extend ch_base.

        (pass_ch::execute): Move all but loop_optimizer_init/finalize to...
        (ch_base::copy_headers): ...here.

2015-07-02  Richard Biener  <rguenther@suse.de>

        * builtins.c (get_pointer_alignment_1): Handle POINTER_PLUS_EXPR.
        * fold-const.c (get_pointer_modulus_and_residue): Remove.
        (fold_binary_loc): Implement (T)ptr & CST in terms of
        get_pointer_alignment_1.
        * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
        Make sure to build the alignment test on a SSA name without
        final alignment info valid only after the prologue.

2015-07-02  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("epilogue"): Remove condition.
        ("prologue"): Ditto.

2015-07-02  Richard Biener  <rguenther@suse.de>

        * tree-ssa-dom.c (build_and_record_new_cond): Add optional
        parameter to record a condition that is false.
        (record_conditions): When recording an extra NE_EXPR that is
        true also record a EQ_EXPR that is false.

2015-07-02  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (struct ivopts_data): New field iv_obstack.
        (tree_ssa_iv_optimize_init): Initialize iv_obstack.
        (alloc_iv): New parameter.  Allocate struct iv using obstack_alloc.
        (set_iv, find_interesting_uses_address, add_candidate_1): New
        argument to alloc_iv.
        (find_interesting_uses_op, find_interesting_uses_cond): Don't
        duplicate struct iv.
        (free_loop_data): Don't free struct iv explicitly.
        (tree_ssa_iv_optimize_finalize): Free iv_obstack.

2015-07-01  DJ Delorie  <dj@redhat.com>

        * config/s390/tpf.h (LIBSTDCXX): Change to CPP1.
        (LIB_SPEC): Add.
        (SUPPORTS_DISCRIMINATOR): Define.

2015-07-01  Richard Sandiford  <richard.sandiford@arm.com>

        PR bootstrap/66685
        * rtl.c (classify_insn): Only return JUMP_INSN for parallel returns if
        there are no CALLs in the same pattern.

2015-07-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rtl-optimization/61047
        * rtlanal.c (get_initial_register_offset): New function.
        (rtx_addr_can_trap_p_1): Check offsets of stack references.

2015-07-01  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_comparison): Move X - Y CMP 0 -> X CMP Y,
        X * C1 CMP 0 -> X CMP 0, X CMP X, ~X CMP ~Y -> Y CMP X and
        ~X CMP C -> X CMP' ~C to ...
        * match.pd: ... patterns here.

2015-07-01  Nick Clifton  <nickc@redhat.com>

        * config/msp430/msp430.md (zero_extendhipsi2): Use MOVX.A to store
        a 16-bit value into a 20-bit memory slot.

2015-07-01  Jiong Wang  <jiong.wang@arm.com>

        * doc/sourcebuild.texi (AArch64-specific attributes): Document
        "aarch64_tiny", "aarch64_small", "aarch64_large",
        "aarch64_little_endian", "aarch64_big_endian".

2015-07-01  Jiong Wang  <jiong.wang@arm.com>

        * doc/sourcebuild.texi (AArch64-specific attributes): New subsection.
        Document "aarch64_small_fpic".

2015-07-01  Jiong Wang  <jiong.wang@arm.com>

        * configure.ac: Add check for aarch64 assembler -fpic relocation
        modifier support.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/aarch64/aarch64.c (initialize_aarch64_code_model): Fall back
        to -fPIC if not support of -fpic relocation modifier in assembler.

2015-07-01  Richard Sandiford  <richard.sandiford@arm.com>

        PR bootstrap/66685
        * rtl.c (classify_insn): Handle returns in PARALLELs.

2015-07-01  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/66633
        * tree-nested.c (convert_nonlocal_omp_clauses): Initialize need_chain
        to true if the function is nested and if not optimizing.
        (convert_local_omp_clauses): Initialize need_frame to true if the
        function contains nested functions and if not optimizing.

2015-07-01  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Move ~X ^ X -> -1 and
        (X & Y) ^ Y -> ~X & Y transforms to ...
        * match.pd: ... here.

2015-07-01  Richard Biener <rguenther@suse.de>

        * genmatch.c (expr::gen_transform): Shortcut re-simplifying
        of converts to avoid uninteresting noise from the conversion
        simplifying patterns.

2015-06-30  Sandra Loosemore <sandra@codesourcery.com>

        * config/c6x/c6x.c (try_rename_operands): Do not depend on
        gcc_assert evaluating its argument for side-effect.

2015-06-30  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/64833
        * config/sh/sh.md (casesi_worker_1): Set length to 8 when
        flag_pic is set.

2015-06-30  Eric Botcazou  <ebotcazou@adacore.com>

        * lto-streamer-out.c (class DFS): Adjust hash_scc method.
        (DFS::DFS): Pass this_ref_p and ref_p to hash_scc.
        (hash_scc): Add this_ref_p and ref_p parameters and pass them
        to the inner DFS walk.

2015-06-30  Richard Sandiford  <richard.sandiford@arm.com>

        * target-insns.def (jump): New targetm instruction pattern.
        * bb-reorder.c (get_uncond_jump_length): Use targetm.gen_jump
        instead of gen_jump.
        (fix_up_crossing_landing_pad): Likewise.
        (add_labels_and_missing_jumps): Likewise.
        (fix_crossing_conditional_branches): Likewise.
        * cfgrtl.c (try_redirect_by_replacing_jump): Likewise.
        (force_nonfallthru_and_redirect): Likewise.
        * cse.c (cse_insn): Likewise.
        * expmed.c (expand_divmod): Likewise.
        * expr.c (store_expr_with_bounds, expand_expr_real_2): Likewise.
        * haifa-sched.c (init_before_recovery): Likewise.
        (sched_create_recovery_edges): Likewise.
        * ifcvt.c (find_cond_trap): Likewise.
        * optabs.c (expand_doubleword_shift, expand_doubleword_clz): Likewise.
        (expand_float, expand_fix): Likewise.
        * stmt.c (emit_jump): Likewise.

2015-06-30  Richard Sandiford  <richard.sandiford@arm.com>

        * defaults.h (HAVE_load_multiple, gen_load_multiple)
        (HAVE_store_multiple, gen_store_multiple): Delete.
        * target-insns.def (load_multiple, store_multiple): New targetm
        instruction patterns.
        * expr.c (move_block_to_reg, move_block_from_reg): Use them instead
        of HAVE_*/gen_* interface.

2015-06-30  Richard Sandiford  <richard.sandiford@arm.com>

        * defaults.h (HAVE_mem_thread_fence, gen_mem_thread_fence)
        (HAVE_memory_barrier, gen_memory_barrier, HAVE_mem_signal_fence)
        (gen_mem_signal_fence): Delete.
        * target-insns.def (mem_signal_fence, mem_thread_fence)
        (memory_barrier): New targetm instruction patterns.
        * optabs.c (expand_mem_thread_fence): Use them instead of HAVE_*/gen_*
        interface.
        (expand_mem_signal_fence): Likewise.

2015-06-30  Richard Sandiford  <richard.sandiford@arm.com>

        * defaults.h (HAVE_epilogue, gen_epilogue): Delete.
        * target-insns.def (epilogue, prologue, sibcall_prologue): New
        targetm instruction patterns.
        * alias.c (init_alias_analysis): Use them instead of HAVE_*/gen_*
        interface.
        * calls.c (expand_call): Likewise.
        * cfgrtl.c (cfg_layout_finalize): Likewise.
        * df-scan.c (df_get_entry_block_def_set): Likewise.
        (df_get_exit_block_use_set): Likewise.
        * dwarf2cfi.c (pass_dwarf2_frame::gate): Likewise.
        * final.c (final_start_function): Likewise.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.
        (reposition_prologue_and_epilogue_notes): Likewise.
        * reorg.c (find_end_label): Likewise.
        * toplev.c (process_options): Likewise.

2015-06-30  David Malcolm  <dmalcolm@redhat.com>

        * typed-splay-tree.h: New file.

2015-06-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR debug/66691
        * lra-int.h (lra_substitute_pseudo): Add a parameter.
        (lra_substitute_pseudo_within_insn): Ditto.
        * lra.c (lra_substitute_pseudo): Add a parameter.  Simplify subreg
        of constant.
        (lra_substitute_pseudo_within_insn): Add a parameter.  Transfer it
        to lra_substitute_pseudo.
        * lra-lives.c (process_bb_lives): Add an argument to
        lra_substitute_pseudo_within_insn call.
        * lra-constraints.c (inherit_reload_reg, split_reg): Add an
        argument to lra_substitute_pseudo and
        lra_substitute_pseudo_within_insn calls.
        (remove_inheritance_pseudos, undo_optional_reloads): Ditto.

2015-06-30  H.J. Lu  <hongjiu.lu@intel.com>

        * configure: Regenerated.

2015-06-30  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Support i[34567]86-*-elfiamcu target.
        * config/i386/iamcu.h: New.
        * config/i386/i386.opt: Add -miamcu.
        * doc/invoke.texi: Document -miamcu.
        * common/config/i386/i386-common.c  (ix86_handle_option): Turn
        off x87/MMX/SSE/AVX codegen for -miamcu.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __iamcu/__iamcu__ for -miamcu.
        * config/i386/i386.h (PREFERRED_STACK_BOUNDARY_DEFAULT): Set
        to MIN_STACK_BOUNDARY if TARGET_IAMCU is true.
        (BIGGEST_ALIGNMENT): Set to 32 if TARGET_IAMCU is true.
        * config/i386/i386.c (ix86_option_override_internal): Ignore and
        warn -mregparm for Intel MCU.  Turn on -mregparm=3 for Intel
        MCU by default.  Default long double to 64-bit for Intel MCU.
        Turn on -freg-struct-return for Intel MCU.  Issue an error when
        -miamcu is used in 64-bit or x32 mode or if x87, MMX, SSE or
        AVX is turned on.
        (function_arg_advance_32): Pass value whose size is no larger
        than 8 bytes in registers for Intel MCU.
        (function_arg_32): Likewise.
        (ix86_return_in_memory): Return value whose size is no larger
        than 8 bytes in registers for Intel MCU.
        (iamcu_alignment): New function.
        (ix86_data_alignment): Call iamcu_alignment if TARGET_IAMCU is
        true.
        (ix86_local_alignment): Don't increase alignment for Intel MCU.
        (x86_field_alignment): Return iamcu_alignment if TARGET_IAMCU is
        true.

2015-06-30  Marek Polacek  <polacek@redhat.com>

        * match.pd (X - (X / Y) * Y): Use convert1 and convert2.  Convert
        both operands of the resulting expression.

        * match.pd (~x | x): Don't use tree_nop_conversion_p.  Build
        the final expression with the operand's type and then convert
        it to the type of the expression.

2015-06-30  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Move ~x & ~y -> ~(x | y) and
        ~x | ~y -> ~(x & y), (x & CST) ^ (x & CST2) -> (x & CST) | (x & CST2),
        (X | Y) ^ X -> Y & ~ X, ~X ^ ~Y to X ^ Y and ~X ^ C to X ^ ~C ...
        * match.pd: ... to patterns here.

2015-06-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66704
        * tree-vect-data-refs.c (vect_setup_realignment): Use
        make_ssa_name for non-SSA name source.

2015-06-30  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/66702
        * omp-low.c (simd_clone_adjust): Handle addressable linear
        or uniform parameters or non-gimple type uniform parameters.

2015-06-30  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_unary_loc): Move abs(abs(x)) -> abs(x),
        ~ (-A) to A - 1, ~ (A - 1) or ~ (A + -1) to -A and some cases of
        ~(X ^ Y) to ~X ^ Y or X ^ ~Y if ~X or ~Y simplify to ...
        * match.pd: ... here.
        Add a few cases of A - B -> A + (-B) when B "easily" negates.
        Move (x & y) | x -> x and friends before
        (x | CST1) & CST2 -> (x & CST2) | (CST1 & CST2).

2015-06-30  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/leon.md (leon_load): Enable for all LEON variants if
        -mfix-ut699 is not specified.
        (leon3_load): Rename into...
        (ut699_load): ...this.  Enable for all LEON variants if -mfix-ut699
        is specified.

2015-06-30  Marek Polacek  <polacek@redhat.com>

        * fold-const.c (fold_binary_loc): Move ~X | X folding ...
        * match.pd: ... here.

2015-06-30  Richard Biener  <rguenther@suse.de>

        * target-insns.def (canonicalize_funcptr_for_compare): Add.
        * fold-const.c (build_range_check): Replace uses of
        HAVE_canonicalize_funcptr_for_compare.
        (fold_widened_comparison): Likewise.
        (fold_sign_changed_comparison): Likewise.
        * dojump.c: Include "target.h".
        (do_compare_and_jump): Replace uses of
        HAVE_canonicalize_funcptr_for_compare and
        gen_canonicalize_funcptr_for_compare.
        * expr.c (do_store_flag): Likewise.

2015-06-30  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/66652
        * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
        max_loop_iterations to determine if nit + 1 overflows.

2015-06-30  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (register_edge_assert_for_2): Also register
        asserts for dominating conversion results.

2015-06-30  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (record_sub_use): Don't reset ssa_name
        field in struct iv.

2015-06-29  Jack Howarth  <howarth.at.gcc@gmail.com>

        PR target/66509
        * configure.ac: Fix filds and fildq test for 64-bit.
        * configure: Regenerated.

2015-06-29  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.md (nvptx_reorg_subreg): New fn, broken out of ...
        (nvptx_reorg): Here.  Keep the non-subreg pieces.

2015-06-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/gnu-user.h (GNU_USER_TARGET_ENDFILE_SPEC): Use
        PIE_SPEC and NO_PIE_SPEC if HAVE_LD_PIE is defined.

2015-06-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*jcc_1): Use %! in asm template.
        Set attribute "length_nobnd" instead of "length".
        (*jcc_2): Ditto.
        (jump): Ditto.
        (*jcc_1_bnd, *jcc_2_bnd, jump_bnd): Remove insn patterns.

2015-06-29  Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2.c (nios2_delegitimize_address): Make
        assert less restrictive.

2015-06-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/66605
        * cgraphunit.c (cgraph_node::finalize_function): Do not call
        do_warn_unused_parameter.
        * function.c (do_warn_unused_parameter): Move from here.
        * function.h (do_warn_unused_parameter): Do not declare.

2015-06-29  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/65697
        * gcc.target/arm/armv-sync-comp-swap.c: New.
        * gcc.target/arm/armv-sync-op-acquire.c: New.
        * gcc.target/arm/armv-sync-op-full.c: New.
        * gcc.target/arm/armv-sync-op-release.c: New.

2015-06-29  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/65697
        * config/armc/arm.c (arm_split_compare_and_swap): For ARMv8, replace an
        initial acquire barrier with final barrier.

2015-06-29  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/65697
        * config/armc/arm.c (arm_split_atomic_op): For ARMv8, replace an
        initial acquire barrier with final barrier.

2015-06-29  Richard Henderson  <rth@redhat.com>

        * config/i386/constraints.md (Bf): New constraint.
        * config/i386/i386-c.c (ix86_target_macros): Define
        __GCC_ASM_FLAG_OUTPUTS__.
        * config/i386/i386.c (ix86_md_asm_adjust): Handle =@cc* constraints
        as flags outputs.
        * doc/extend.texi (FlagOutputOperands): Document them.

2015-06-29  Jiong Wang  <jiong.wang@arm.com>

        * config/arch64/aarch64.md (UNSPEC_TLSLE): New enumeration.
        * config/arch64/aarch64.md (tlsle_small): Rename to tlsle and use new
        unspec name.
        (tlsle_small_<mode>): Rename to tlsle_<mode> and use new unspec name.
        * config/arch64/aarch64-protos.h (arch64_symbol_type): Rename
        SYMBOL_SMALL_TPREL to SYMBOL_TLSLE.
        (aarch64_symbol_context): Ditto.
        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Ditto
        and use new pattern name.
        (aarch64_expand_mov_immediate): Ditto.
        (aarch64_print_operand): Ditto.
        (aarch64_classify_tls_symbol): Ditto.

2015-06-29  Marek Polacek  <polacek@redhat.com>
            Marc Glisse  <marc.glisse@inria.fr>

        * fold-const.c (fold_binary_loc): Move X - (X / Y) * Y -> X % Y to ...
        * match.pd: ... pattern here.

2015-06-29  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (try_transform_to_exit_first_loop_alt): Simplify
        function structure.

2015-06-29  Matthew Wahab  <matthew.wahab@arm.com>

        * doc/invoke.texi (Aarch64 Options, -march): Split out arch and
        feature description, split out the native option, add a link to
        the feature documentation, rearrange and slightly rewrite text.
        (Aarch64 options, -mcpu): Likewise.
        (Aarch64 options, Feature Modifiers): Add an anchor.  Mention
        +rdma implies Adv. SIMD.

2015-06-29  Marek Polacek  <polacek@redhat.com>

        PR c/66322
        * function.c (stack_protect_epilogue): Remove a cast to int.
        * doc/invoke.texi: Update -Wswitch-bool description.

2015-06-29  Richard Biener  <rguenther@suse.de>

        * genmatch.c (add_operator): Treat ADDR_EXPR as atom.
        * fold-const.c (fold_binary_loc): Move &A - &B simplification
        via ptr_difference_const ...
        * match.pd: ... here.
        When matching (X ^ Y) == Y also match with swapped operands.

2015-06-29  Richard Biener  <rguenther@suse.de>

        * lto-streamer.h (LTO_major_version): Bump to 5.

2015-06-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66677
        * tree-vect-stmts.c (vect_transform_stmt): Make assert about
        STMT_VINFO_VEC_STMT clobbering less strict.

2015-06-29  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR middle-end/64130
        * tree-vrp.c (extract_range_from_binary_expr_1): For unsigned
        division, compute max and min when value ranges for dividend and
        divisor are available.

2015-06-28  Chung-Lin Tang <cltang@codesourcery.com>
            Sandra Loosemore <sandra@codesourcery.com>

        * regrename.h (regrename_do_replace): Change to return bool.
        * regrename.c (rename_chains): Check return value of
        regname_do_replace.
        (regrename_do_replace): Re-validate the modified insns and
        return bool status.
        * config/aarch64/cortex-a57-fma-steering.c (rename_single_chain):
        Update to match rename_chains changes.
        * config/c6x/c6x.c (try_rename_operands): Assert that
        regrename_do_replace returns true.

2015-06-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (<mode>_ldx): Do not zero-extend non-Pmode
        operand 2 here.  Use copy_addr_to_reg to copy non-index
        register operand 2 to a temporary.
        (<mode>_stx): Ditto for operand 1.
        (*<mode>_ldx, *<mode>_stx): Remove enclosing parallel.
        * config/i386/i386.c (ix86_load_bounds): Zero-extend non-Pmode ptr here.
        (ix86_store_bounds): Ditto.

2015-06-27  Patrick Palka  <ppalka@gcc.gnu.org>

        * print-tree.c (print_node) [TREE_VEC]: Print its length.

2015-06-26  Andrew MacLeod  <amacleod@redhat.com>

        * gimple.c (gimple_call_set_fndecl): Remove.
        * gimple.h (gimple_call_set_fndecl): Relocate to gimple.h and call
        build1_loc directly instead of build_fold_addr_expr_loc.

2015-06-26  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-map.h (hash_map::traverse): Use the definition of the
        Key typedef rather than the typedef itself.

2015-06-26  Martin Jambor  <mjambor@suse.cz>

        PR debug/66301
        * tree-ssa-pre.c (before_dom_children): Check that dump_file is not
        NULL instead of calling dump_enabled_p.

2015-06-26  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.opt: (override): New.
        * doc/invoke.texi (override): Document.
        * config/aarch64/aarch64.c (aarch64_flag_desc): New
        (aarch64_fusible_pairs): Likewise.
        (aarch64_tuning_flags): Likewise.
        (aarch64_tuning_override_function): Likewise.
        (aarch64_tuning_override_functions): Likewise.
        (aarch64_parse_one_option_token): Likewise.
        (aarch64_parse_boolean_options): Likewise.
        (aarch64_parse_fuse_string): Likewise.
        (aarch64_parse_tune_string): Likewise.
        (aarch64_parse_one_override_token): Likewise.
        (aarch64_parse_override_string): Likewise.
        (aarch64_override_options): Parse the -override string if it
        is present.

2015-06-26  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-protos.h (tune_params): Remove
        const from members.
        (aarch64_tune_params): Remove const, change to no longer be
        a pointer.
        * config/aarch64/aarch64.c (aarch64_tune_params): Remove const,
        change to no longer be a pointer, initialize to generic_tunings.
        (aarch64_min_divisions_for_recip_mul): Change dereference of
        aarch64_tune_params to member access.
        (aarch64_reassociation_width): Likewise.
        (aarch64_rtx_mult_cost): Likewise.
        (aarch64_address_cost): Likewise.
        (aarch64_branch_cost): Likewise.
        (aarch64_rtx_costs): Likewise.
        (aarch64_register_move_cost): Likewise.
        (aarch64_memory_move_cost): Likewise.
        (aarch64_sched_issue_rate): Likewise.
        (aarch64_builtin_vectorization_cost): Likewise.
        (aarch64_override_options): Take a copy of the selected tuning
        struct in to aarch64_tune_params, rather than just setting
        a pointer, change dereferences of aarch64_tune_params to member
        accesses.
        (aarch64_override_options_after_change): Change dereferences of
        aarch64_tune_params to member access.
        (aarch64_macro_fusion_p): Likewise.
        (aarch_macro_fusion_pair_p): Likewise.
        * config/aarch64/cortex-a57-fma-steering.c (gate): Likewise.

2015-06-26  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.h (AARCH64_FL_USE_FMA_STEERING_PASS): Delete.
        (aarch64_tune_flags): Likewise.
        (AARCH64_TUNE_FMA_STEERING): Likewise.
        * config/aarch64/aarch64-cores.def (cortex-a57): Remove reference
        to AARCH64_FL_USE_FMA_STEERING_PASS.
        (cortex-a57.cortex-a53): Likewise.
        (cortex-a72): Use cortexa72_tunings.
        (cortex-a72.cortex-a53): Likewise.
        (exynos-m1): Likewise.
        * config/aarch64/aarch64-protos.h (tune_params): Add
        a field: extra_tuning_flags.
        * config/aarch64/aarch64-tuning-flags.def: New.
        * config/aarch64/aarch64-protos.h (AARCH64_EXTRA_TUNING_OPTION): New.
        (aarch64_extra_tuning_flags): Likewise.
        (aarch64_tune_params): Declare here.
        * config/aarch64/aarch64.c (generic_tunings): Set extra_tuning_flags.
        (cortexa53_tunings): Likewise.
        (cortexa57_tunings): Likewise.
        (thunderx_tunings): Likewise.
        (xgene1_tunings): Likewise.
        (cortexa72_tunings): New.
        * config/aarch64/cortex-a57-fma-steering.c: Include aarch64-protos.h.
         (gate): Check against aarch64_tune_params.
        * config/aarch64/t-aarch64 (cortex-a57-fma-steering.o): Depend on
        aarch64-protos.h.

2015-06-26  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-fusion-pairs.def: New.
        * config/aarch64/aarch64-protos.h (aarch64_fusion_pairs): New.
        * config/aarch64/aarch64.c (AARCH64_FUSE_NOTHING): Move to
        aarch64_fusion_pairs.
        (AARCH64_FUSE_MOV_MOVK): Likewise.
        (AARCH64_FUSE_ADRP_ADD): Likewise.
        (AARCH64_FUSE_MOVK_MOVK): Likewise.
        (AARCH64_FUSE_ADRP_LDR): Likewise.
        (AARCH64_FUSE_CMP_BRANCH): Likewise.

2015-06-26  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_symbol_type): New type
        SYMBOL_SMALL_GOT_28K.
        * config/aarch64/aarch64.md: (ldr_got_small_<mode>): Support new GOT
        relocation modifiers.
        (unspec): New enum "UNSPEC_GOTMALLPIC28K.
        (ldr_got_small_28k_<mode>): New.
        (ldr_got_small_28k_sidi): New.
        * config/aarch64/iterators.md (got_modifier): New mode iterator.
        * config/aarch64/aarch64-otps.h (aarch64_code_model): New model.
        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Support
        SYMBOL_SMALL_GOT_28K.
        (aarch64_rtx_costs): Add costs for new instruction sequences.
        (initialize_aarch64_code_model): Initialize new model.
        (aarch64_classify_symbol): Recognize new model and new symbol classification.
        (aarch64_asm_preferred_eh_data_format): Support new model.
        (aarch64_load_symref_appropriately): Generate new instruction
        sequences for -fpic.
        (TARGET_USE_PSEUDO_PIC_REG): New definition.
        (aarch64_use_pseudo_pic_reg): New function.

2015-06-26  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_symbol_type): Rename
        SYMBOL_SMALL_GOT to SYMBOL_SMALL_GOT_4G.
        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Ditto.
        (aarch64_expand_mov_immediate): Ditto.
        (aarch64_print_operand): Ditto.
        (aarch64_classify_symbol): Ditto.

2015-06-26  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.md (call_operation): Remove unused variables.

2015-06-26  Bin Cheng  <bin.cheng@arm.com>

        PR bootstrap/66638
        * tree-ssa-loop-niter.c (loop_exits_before_overflow): Skip if
        assertion failed.  Remove assertion itself.

2015-06-26  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Remove -A CMP -B -> A CMP B
        and -A CMP CST -> A CMP -CST which is redundant with a pattern
        in match.pd.
        Move (A | C) == D where C & ~D != 0 -> 0, (X ^ Y) ==/!= 0 -> X ==/!= Y,
        (X ^ Y) ==/!= {Y,X} -> {X,Y} ==/!= 0 and
        (X ^ C1) op C2 -> X op (C1 ^ C2) to ...
        * match.pd: ... patterns here.

2015-06-26  Marek Polacek  <polacek@redhat.com>

        * match.pd ((x | y) & ~(x & y) -> x ^ y,
        (x | y) & (~x ^ y) -> x & y): New patterns.

2015-06-26  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (emit): Add an optional boolean parameter to control
        whether barriers are emitted.
        * emit-rtl.c (emit): Likewise.
        * gensupport.c (get_emit_function): Return null rather than "emit".
        * genemit.c (gen_emit_seq): Handle the null return value.
        Don't emit barriers after the final instruction in the sequence.
        * gentarget-def.c (main): Don't emit barriers after the instruction.

2015-06-26  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_output_multireg_pop): Fix use of
        TARGET_UNIFIED_ASM.

2015-06-26  Richard Biener  <rguenther@suse.de>

        * match.pd: Allow associating FLOAT_TYPE_P when flag_associative_math.

2015-06-26  Richard Biener  <rguenther@suse.de>

        * match.pd: Allow (p +p off1) +p off2 to (p +p (off1 + off2))
        irrespective on whether the inner operation has a single use
        of both off are constant.

2015-06-26  Uros Bizjak  <ubizjak@gmail.com>
            Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/66412
        * config/i386/i386.md (various splitters): Use shallow_copy_rtx
        before doing PUT_MODE or PUT_CODE on operands to avoid
        in-place RTX modification.

2015-06-25  H.J. Lu  <hongjiu.lu@intel.com>

        * gentarget-def.c (def_target_insn): Cast return of strtol to
        unsigned int.

2015-06-25  Andrew MacLeod  <amacleod@redhat.com>

        * gimple.h (gimple_call_set_fn): Move inline function.
        * gimple.c (gimple_call_set_fn): Relocate here.

2015-06-25  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/65979
        PR target/66611
        * config/sh/sh.md (tstsi_t peephole2): Use insn_invalid_p to check if
        the replacement insn will work.

2015-06-25  H.J. Lu  <hongjiu.lu@intel.com>

        * gcc.c (driver_handle_option): Validate -pie if PIE is enabled
        by default.

2015-06-25  Andrew MacLeod  <amacleod@redhat.com>

        * function.h (ipa_opt_pass, ipa_opt_pass_d): Move forward declarations.
        * cgraph.h: Include ipa-ref.h and plugin-api.h.
        (ipa_opt_pass, ipa_opt_pass_d)): Relocate forward declarations here.
        (symtab_node::address_can_be_compared_p): Move function.
        * cgraph.c (symtab_node::address_can_be_compared_p): Relocate function
        definition here.
        * asan.c: Remove ipa-ref.h and plugin-api.h from include list.
        * auto-profile.c: Likewise.
        * bb-reorder.c: Likewise.
        * builtins.c: Likewise.
        * calls.c: Likewise.
        * cfgexpand.c: Likewise.
        * cgraphbuild.c: Likewise.
        * cgraphclones.c: Likewise.
        * cgraphunit.c: Likewise.
        * combine.c: Likewise.
        * coverage.c: Likewise.
        * data-streamer-in.c: Likewise.
        * data-streamer-out.c: Likewise.
        * data-streamer.c: Likewise.
        * dbxout.c: Likewise.
        * dwarf2out.c: Likewise.
        * except.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fold-const.c: Likewise.
        * ggc-page.c: Likewise.
        * gimple-fold.c: Likewise.
        * gimple-iterator.c: Likewise.
        * gimple-pretty-print.c: Likewise.
        * gimple-streamer-in.c: Likewise.
        * gimple-streamer-out.c: Likewise.
        * gimple.c: Likewise.
        * gimplify.c: Likewise.
        * ipa-chkp.c: Likewise.
        * ipa-comdats.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-devirt.c: Likewise.
        * ipa-icf-gimple.c: Likewise.
        * ipa-icf.c: Likewise.
        * ipa-inline-analysis.c: Likewise.
        * ipa-inline-transform.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-polymorphic-call.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-ref.c: Likewise.
        * ipa-reference.c: Likewise.
        * ipa-split.c: Likewise.
        * ipa-utils.c: Likewise.
        * ipa-visibility.c: Likewise.
        * ipa.c: Likewise.
        * langhooks.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-compress.c: Likewise.
        * lto-opts.c: Likewise.
        * lto-section-in.c: Likewise.
        * lto-section-out.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * lto-streamer.c: Likewise.
        * omp-low.c: Likewise.
        * opts-global.c: Likewise.
        * passes.c: Likewise.
        * predict.c: Likewise.
        * print-tree.c: Likewise.
        * profile.c: Likewise.
        * ree.c: Likewise.
        * sanopt.c: Likewise.
        * stor-layout.c: Likewise.
        * symtab.c: Likewise.
        * toplev.c: Likewise.
        * trans-mem.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-chkp.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-emutls.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-profile.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa-alias.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-ssa-strlen.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-streamer-in.c: Likewise.
        * tree-streamer-out.c: Likewise.
        * tree-streamer.c: Likewise.
        * tree-switch-conversion.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree.c: Likewise.
        * tsan.c: Likewise.
        * ubsan.c: Likewise.
        * value-prof.c: Likewise.
        * varasm.c: Likewise.
        * varpool.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/c6x/c6x.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/darwin.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/microblaze/microblaze.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/tilegx/mul-tables.c: Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c, config/alpha/alpha.c,
        config/arm/arm.c, config/avr/avr.c, config/bfin/bfin.c,
        config/c6x/c6x.c, config/cr16/cr16.c, config/cris/cris.c,
        config/fr30/fr30.c, config/frv/frv.c, config/h8300/h8300.c,
        config/i386/i386.c, config/ia64/ia64.c, config/iq2000/iq2000.c,
        config/lm32/lm32.c, config/m32c/m32c.c, config/m32r/m32r.c,
        config/m68k/m68k.c, config/mcore/mcore.c, config/mep/mep.c,
        config/microblaze/microblaze.c, config/mips/mips.c,
        config/mmix/mmix.c, config/mn10300/mn10300.c,
        config/moxie/moxie.c, config/msp430/msp430.c,
        config/nds32/nds32.c, config/nios2/nios2.c, config/nvptx/nvptx.c,
        config/pa/pa.c, config/pdp11/pdp11.c, config/rl78/rl78.c,
        config/rs6000/rs6000.c, config/rx/rx.c, config/s390/s390.c,
        config/sh/sh.c, config/sparc/sparc.c, config/spu/spu.c,
        config/stormy16/stormy16.c, config/tilegx/tilegx.c,
        config/tilepro/tilepro.c, config/v850/v850.c, config/vax/vax.c,
        config/visium/visium.c, config/xtensa/xtensa.c: Add comment above
        target-def.h include.
        * config/ft32/ft32.c: Likewise.  Fix misapplied hunk.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * Makefile.in (TARGET_DEF): Add target-insns.def.
        (.PRECIOUS, simple_rtl_generated_h): Add insn-target-def.h.
        (build/gentarget-def.o): New rule.
        (genprogrtl): Add target-def.
        * target-insns.def, gentarget-def.c: New files.
        * target.def: Add targetm.have_* and targetm.gen_* hooks,
        based on the contents of target-insns.def.
        * defaults.h (HAVE_simple_return, gen_simple_return): Delete.
        (HAVE_return, gen_return): Delete.
        * target-def.h: Include insn-target-def.h.
        * cfgrtl.c (force_nonfallthru_and_redirect): Use targetm interface
        instead of direct calls.  Rely on them to do the appropriate assertions.
        * function.c (gen_return_pattern): Likewise.  Return an rtx_insn *.
        (convert_jumps_to_returns): Use targetm interface instead of
        direct calls.
        (thread_prologue_and_epilogue_insns): Likewise.
        * reorg.c (find_end_label, dbr_schedule): Likewise.
        * shrink-wrap.h (SHRINK_WRAPPING_ENABLED): Likewise.
        * shrink-wrap.c (convert_to_simple_return): Likewise.
        (try_shrink_wrapping): Use SHRINK_WRAPPING_ENABLED.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c, config/alpha/alpha.c, config/arm/arm.c,
        config/avr/avr.c, config/bfin/bfin.c, config/c6x/c6x.c,
        config/cr16/cr16.c, config/cris/cris.c, config/fr30/fr30.c,
        config/frv/frv.c, config/ft32/ft32.c, config/h8300/h8300.c,
        config/i386/i386.c, config/ia64/ia64.c, config/iq2000/iq2000.c,
        config/lm32/lm32.c, config/m32c/m32c.c, config/m32r/m32r.c,
        config/m68k/m68k.c, config/mcore/mcore.c, config/mep/mep.c,
        config/microblaze/microblaze.c, config/mips/mips.c, config/mmix/mmix.c,
        config/mn10300/mn10300.c, config/moxie/moxie.c, config/msp430/msp430.c,
        config/nds32/nds32.c, config/nios2/nios2.c, config/nvptx/nvptx.c,
        config/pa/pa.c, config/pdp11/pdp11.c, config/rl78/rl78.c,
        config/rs6000/rs6000.c, config/rx/rx.c, config/s390/s390.c,
        config/sh/sh.c, config/sparc/sparc.c, config/spu/spu.c,
        config/stormy16/stormy16.c, config/tilegx/tilegx.c,
        config/tilepro/tilepro.c, config/v850/v850.c, config/vax/vax.c,
        config/visium/visium.c, config/xtensa/xtensa.c: Move target-def.h
        includes to end.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-map-traits.h (simple_hashmap_traits::key_type): New typedef.
        (unbounded_int_hashmap_traits::key_type): Likewise.
        * hash-map.h (hash_map): Get the key type from the traits.
        * hash-traits.h (default_hash_traits): By default, inherit from the
        template parameter.
        * alias.c (alias_set_traits): Delete.
        (alias_set_entry_d::children): Use alias_set_hash as the first
        template parameter.
        (record_alias_subset): Update accordingly.
        * except.c (tree_hash_traits): Delete.
        (type_to_runtime_map): Use tree_hash as the first template parameter.
        (init_eh): Update accordingly.
        * genmatch.c (capture_id_map_hasher): Delete.
        (cid_map_t): Use nofree_string_hash as first template parameter.
        * ipa-icf.h (symbol_compare_hashmap_traits): Delete.
        * ipa-icf.c (sem_item_optimizer::subdivide_classes_by_sensitive_refs):
        Use symbol_compare_hash as the first template parameter in
        subdivide_hash_map.
        * mem-stats.h (mem_usage_pair::mem_alloc_hashmap_traits): Delete.
        (mem_usage_pair::mem_map_t): Use mem_location_hash as the first
        template parameter.
        * passes.c (pass_registry_hasher): Delete.
        (name_to_pass_map): Use nofree_string_hash as the first template
        parameter.
        (register_pass_name): Update accordingly.
        * sanopt.c (sanopt_tree_map_traits): Delete.
        (sanopt_tree_triplet_map_traits): Delete.
        (sanopt_ctx::asan_check_map): Use tree_operand_hash as the first
        template parameter.
        (sanopt_ctx::vptr_check_map): Use sanopt_tree_triplet_hash as
        the first template parameter.
        * sese.c (rename_map_hasher): Delete.
        (rename_map_type): Use tree_ssa_name_hash as the first template
        parameter.
        * symbol-summary.h (function_summary::summary_hashmap_traits): Delete.
        (function_summary::m_map): Use map_hash as the first template
        parameter.
        (function_summary::release): Update accordingly.
        * tree-if-conv.c (phi_args_hash_traits): Delete.
        (predicate_scalar_phi): Use tree_operand_hash as the first template
        parameter to phi_arg_map.
        * tree-inline.h (dependence_hasher): Delete.
        (copy_body_data::dependence_map): Use dependence_hash as the first
        template parameter.
        * tree-inline.c (remap_dependence_clique): Update accordingly.
        * tree-ssa-strlen.c (stridxlist_hash_traits): Delete.
        (decl_to_stridxlist_htab): Use tree_decl_hash as the first template
        parameter.
        (addr_stridxptr): Update accordingly.
        * value-prof.c (profile_id_traits): Delete.
        (cgraph_node_map): Use profile_id_hash as the first template
        parameter.
        (init_node_map): Update accordingly.
        * config/alpha/alpha.c (string_traits): Delete.
        (machine_function::links): Use nofree_string_hash as the first
        template parameter.
        (alpha_use_linkage, alpha_write_linkage): Update accordingly.
        * config/m32c/m32c.c (pragma_traits): Delete.
        (pragma_htab): Use nofree_string_hash as the first template parameter.
        (m32c_note_pragma_address): Update accordingly.
        * config/mep/mep.c (pragma_traits): Delete.
        (pragma_htab): Use nofree_string_hash as the first template parameter.
        (mep_note_pragma_flag): Update accordingly.
        * config/mips/mips.c (mips16_flip_traits): Delete.
        (mflip_mips16_htab): Use nofree_string_hash as the first template
        parameter.
        (mflip_mips16_use_mips16_p): Update accordingly.
        (local_alias_traits): Delete.
        (mips16_local_aliases): Use nofree_string_hash as the first template
        parameter.
        (mips16_local_alias): Update accordingly.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-map-traits.h (default_hashmap_traits): Delete.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-map-traits.h (unbounded_hashmap_traits): New class.
        (unbounded_int_hashmap_traits): Likewise.
        * cfgexpand.c (part_traits): Use unbounded_int_hashmap_traits.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * ipa-icf.h (symbol_compare_hash): New class.
        (symbol_compare_hashmap_traits): Use it.
        * mem-stats.h (mem_alloc_description::mem_location_hash): New class.
        (mem_alloc_description::mem_alloc_hashmap_traits): Use it.
        (mem_alloc_description::reverse_mem_map_t): Remove redundant
        default_hashmap_traits.
        * sanopt.c (sanopt_tree_triplet_hash): New class.
        (sanopt_tree_triplet_map_traits): Use it.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * gengtype-parse.c (require_template_declaration): Allow '+' in
        template parameters.  Consolidate cases.
        * hash-traits.h (int_hash): New class.
        * alias.c (alias_set_hash): New structure.
        (alias_set_traits): Use it.
        * symbol-summary.h (function_summary::map_hash): New class.
        (function_summary::summary_hashmap_traits): Use it.
        * tree-inline.h (dependence_hash): New class.
        (dependence_hasher): Use it.
        * tree-ssa-reassoc.c (oecount_hasher): Use int_hash.
        * value-prof.c (profile_id_hash): New class.
        (profile_id_traits): Use it.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * config/mips/mips.c (mips16_flip_traits): Use it.
        (local_alias_traits, mips16_local_aliases): Convert from a map of
        rtxes to a map of symbol names.
        (mips16_local_alias): Update accordingly.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-traits.h (string_hash, nofree_string_hash): New classes.
        * genmatch.c (capture_id_map_hasher): Use nofree_string_hash.
        * passes.c (pass_registry_hasher): Likewise.
        * config/alpha/alpha.c (string_traits): Likewise.
        * config/i386/winnt.c (i386_find_on_wrapper_list): Likewise.
        * config/m32c/m32c.c (pragma_traits): Likewise.
        * config/mep/mep.c (pragma_traits): Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-hash-traits.h (tree_hash): New class.
        * except.c: Include tree-hash-traits.h.
        (tree_hash_traits): Use tree_hash.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-hash-traits.h (tree_ssa_name_hasher): New class.
        * sese.c: Include tree-hash-traits.h.
        (rename_map_hasher): Use tree_ssa_name_hasher.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-hash-traits.h (tree_decl_hash): New class.
        * tree-ssa-strlen.c: Include tree-hash-traits.h.
        (stridxlist_hash_traits): Use tree_decl_hash.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-hash-traits.h: New file.
        (tree_operand_hash): New class.
        * sanopt.c: Include tree-hash-traits.h.
        (sanopt_tree_map_traits): Use tree_operand_hash.
        * tree-if-conv.c: Include tree-hash-traits.h.
        (phi_args_hash_traits): Use tree_operand_hash.
        * tree-ssa-uncprop.c: Include tree-hash-traits.h.
        (val_ssa_equiv_hash_traits): Use tree_operand_hash.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-map-traits.h: Include hash-traits.h.
        (simple_hashmap_traits): New class.
        * mem-stats.h (hash_map): Change the default traits to
        simple_hashmap_traits<default_hash_traits<Key> >.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-table.h: Update comments.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-traits.h (default_hash_traits): New structure.
        * hash-set.h (default_hashset_traits): Delete.
        (hash_set): Use default_hash_traits<Key> instead of
        default_hashset_traits.  Delete hash_entry type and use Key directly.
        * ipa-devirt.c (pair_traits): Delete.
        (default_hash_traits <type_pair>): Override.
        (odr_subtypes_equivalent_p): Remove pair_types template parameter.
        (odr_types_equivalent_p, add_type_duplicate): Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-traits.h (typed_noop_remove): Don't require a pointer type.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-table.h (has_is_deleted, is_deleted_helper): Delete.
        (has_is_empty, is_empty_helper): Delete.
        (has_mark_deleted, mark_deleted_helper): Delete.
        (has_mark_empty, mark_empty_helper): Delete.
        (hash_table::is_deleted): Call the Descriptor unconditionally.
        (hash_table::is_empty): Likewise.
        (hash_table::mark_deleted): Likewise.
        (hash_table::mark_empty): Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * cgraph.h (asmname_hasher): Inherit from ggc_ptr_hash.  Remove
        redundant typedefs and members.
        * coverage.c (counts_entry): Inherit from pointer_hash.  Remove
        redundant typedefs.
        * dwarf2out.c (cu_hash_table_entry_hasher): Likewise.
        * ipa-devirt.c (odr_name_hasher): Likewise.
        (polymorphic_call_target_hasher): Likewise.
        * ira-costs.c (cost_classes_hasher): Likewise.
        * statistics.c (stats_counter_hasher): Likewise.
        * trans-mem.c (log_entry_hasher): Likewise.
        * tree-ssa-dom.c (expr_elt_hasher): Likewise.
        * tree-ssa-sccvn.c (vn_phi_hasher, vn_reference_hasher): Likewise.
        * tree-ssa-tail-merge.c (same_succ_def): Likewise.
        * var-tracking.c (variable_hasher): Likewise.
        * valtrack.h (dead_debug_hash_descr): Inherit from free_ptr_hash.
        Remove redundant typedefs and members.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-traits.h (ggc_cache_hasher): Rename to...
        (ggc_cache_remove): ...this and remove typedefs.
        (ggc_cache_ptr_hash): New class.
        * hash-table.h: Update commentary.
        * emit-rtl.c (const_int_hasher): Inherit from ggc_cache_ptr_hash
        rather than ggc_cache_hasher.
        (const_wide_int_hasher, reg_attr_hasher): Likewise.
        (const_double_hasher, const_fixed_hasher): Likewise.
        * function.c (insn_cache_hasher): Likewise.
        * trans-mem.c (tm_wrapper_hasher): Likewise.
        * tree.h (tree_decl_map_cache_hasher): Likewise.
        * tree.c (type_cache_hasher, int_cst_hasher): Likewise.
        (cl_option_hasher, tree_vec_map_cache_hasher): Likewise.
        * ubsan.c (tree_type_map_cache_hasher): Likewise.
        * varasm.c (tm_clone_hasher): Likewise.
        * config/i386/i386.c (dllimport_hasher): Likewise.
        * config/nvptx/nvptx.c (declared_libfunc_hasher): Likewise.
        (tree_hasher): Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-traits.h (ggc_hasher): Rename to...
        (ggc_remover): ...this and remove typedefs.
        (ggc_cache_hasher): Update accordingly.  Add typedefs.
        (ggc_ptr_hash): New class.
        * hash-table.h: Update comment.
        * cfgloop.h (loop_exit_hasher): Inherit from ggc_ptr_hash rather than
        ggc_hasher.
        * cgraph.h (section_name_hasher, cgraph_edge_hasher): Likewise.
        (tree_descriptor_hasher): Likewise.
        * cgraph.c (function_version_hasher): Likewise.
        * dwarf2out.c (indirect_string_hasher, dwarf_file_hasher): Likewise.
        (decl_die_hasher, block_die_hasher, decl_loc_hasher): Likewise.
        (dw_loc_list_hasher, addr_hasher): Likewise.
        * function.h (used_type_hasher): Likewise.
        * function.c (temp_address_hasher): Likewise.
        * gimple-ssa.h (tm_restart_hasher, ssa_name_hasher): Likewise.
        * libfuncs.h (libfunc_hasher): Likewise.
        * lto-streamer.h (decl_state_hasher): Likewise.
        * optabs.c (libfunc_decl_hasher): Likewise.
        * tree-scalar-evolution.c (scev_info_hasher): Likewise.
        * varasm.c (section_hasher, object_block_hasher): Likewise.
        (const_rtx_desc_hasher): Likewise.
        * config/darwin.c (indirection_hasher, cfstring_hasher): Likewise.
        * config/rs6000/rs6000.c (toc_hasher, builtin_hasher): Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-traits.h (free_ptr_hash): New class.
        * dwarf2out.c (decl_table_entry_hasher): Inherit from free_ptr_hash
        rather than typed_free_remove.  Remove redudant typedefs.
        (external_ref_hasher): Likewise.
        * except.c (action_record_hasher, ttypes_filter_hasher): Likewise.
        (ehspec_hasher): Likewise.
        * ggc-common.c (saving_hasher): Likewise.
        * gimplify.c (gimplify_hasher): Likewise.
        * haifa-sched.c (delay_i2_hasher): Likewise.
        * loop-invariant.c (invariant_expr_hasher): Likewise.
        * loop-iv.c (biv_entry_hasher): Likewise.
        * loop-unroll.c (iv_split_hasher, var_expand_hasher): Likewise.
        * trans-mem.c (tm_mem_map_hasher, tm_memop_hasher): Likewise.
        * tree-cfg.c (locus_discrim_hasher): Likewise.
        * tree-eh.c (finally_tree_hasher): Likewise.
        * tree-into-ssa.c (var_info_hasher): Likewise.
        * tree-parloops.c (reduction_hasher, name_to_copy_hasher): Likewise.
        * tree-ssa-loop-ivopts.c (iv_inv_expr_hasher): Likewise.
        * tree-ssa-phiopt.c (ssa_names_hasher): Likewise.
        * tree-ssa-pre.c (expr_pred_trans_d): Likewise.
        * tree-ssa-sccvn.c (vn_constant_hasher): Likewise.
        * tree-ssa-structalias.c (equiv_class_hasher): Likewise.
        (shared_bitmap_hasher): Likewise.
        * tree-ssa-threadupdate.c (redirection_data): Likewise.
        * tree-vectorizer.h (peel_info_hasher): Likewise.
        * tree-vectorizer.c (simduid_to_vf, simd_array_to_simduid): Likewise.
        * config/mips/mips.c (mips_lo_sum_offset_hasher): Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-table.h: Update comments.
        * hash-traits.h (pointer_hash): Don't inherit from typed_noop_remove.
        (nofree_ptr_hash): New class.
        * asan.c (asan_mem_ref_hasher): Inherit from nofree_ptr_hash rather
        than typed_noop_remove.  Remove redudant typedefs.
        * attribs.c (attribute_hasher): Likewise.
        * cfg.c (bb_copy_hasher): Likewise.
        * cselib.c (cselib_hasher): Likewise.
        * dse.c (invariant_group_base_hasher): Likewise.
        * dwarf2cfi.c (trace_info_hasher): Likewise.
        * dwarf2out.c (macinfo_entry_hasher): Likewise.
        (comdat_type_hasher, loc_list_hasher): Likewise.
        * gcse.c (pre_ldst_expr_hasher): Likewise.
        * genmatch.c (id_base): Likewise.
        * genrecog.c (test_pattern_hasher): Likewise.
        * gimple-ssa-strength-reduction.c (cand_chain_hasher): Likewise.
        * haifa-sched.c (delay_i1_hasher): Likewise.
        * hard-reg-set.h (simplifiable_subregs_hasher): Likewise.
        * ipa-icf.h (congruence_class_group_hash): Likewise.
        * ipa-profile.c (histogram_hash): Likewise.
        * ira-color.c (allocno_hard_regs_hasher): Likewise.
        * lto-streamer.h (string_slot_hasher): Likewise.
        * lto-streamer.c (tree_entry_hasher): Likewise.
        * plugin.c (event_hasher): Likewise.
        * postreload-gcse.c (expr_hasher): Likewise.
        * store-motion.c (st_expr_hasher): Likewise.
        * tree-sra.c (uid_decl_hasher): Likewise.
        * tree-ssa-coalesce.c (coalesce_pair_hasher): Likewise.
        (ssa_name_var_hash): Likewise.
        * tree-ssa-live.c (tree_int_map_hasher): Likewise.
        * tree-ssa-loop-im.c (mem_ref_hasher): Likewise.
        * tree-ssa-pre.c (pre_expr_d): Likewise.
        * tree-ssa-sccvn.c (vn_nary_op_hasher): Likewise.
        * vtable-verify.h (registration_hasher): Likewise.
        * vtable-verify.c (vtbl_map_hasher): Likewise.
        * config/arm/arm.c (libcall_hasher): Likewise.
        * config/i386/winnt.c (wrapped_symbol_hasher): Likewise.
        * config/ia64/ia64.c (bundle_state_hasher): Likewise.
        * config/sol2.c (comdat_entry_hasher): Likewise.
        * fold-const.c (fold): Use nofree_ptr_hash instead of pointer_hash.
        (print_fold_checksum, fold_checksum_tree): Likewise.
        (debug_fold_checksum, fold_build1_stat_loc): Likewise.
        (fold_build2_stat_loc, fold_build3_stat_loc): Likewise.
        (fold_build_call_array_loc): Likewise.
        * tree-ssa-ccp.c (gimple_htab): Likewise.
        * tree-browser.c (tree_upper_hasher): Inherit from nofree_ptr_hash
        rather than pointer_type.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-traits.h (pointer_hash::mark_deleted, pointer_hash::mark_empty)
        (pointer_hash::is_deleted, pointer_hash::is_empty): New functions.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-traits.h (ggc_hasher::remove): Take a reference parameter.
        (ggc_hasher::ggc_mx): Likewise.
        (ggc_cache_hasher): Inherit from ggc_hasher.  Remove definitions
        that duplicate ggc_hasher ones.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-table.h (hash_table): Add gt_cleare_cache as a friend.
        (gt_cleare_cache): Check here for deleted and empty entries.
        Replace handle_cache_entry with a call to keep_cache_entry.
        * hash-traits.h (ggc_cache_hasher::handle_cache_entry): Delete.
        (ggc_cache_hasher::keep_cache_entry): New function.
        * trans-mem.c (tm_wrapper_hasher::handle_cache_entry): Delete.
        (tm_wrapper_hasher::keep_cache_entry): New function.
        * tree.h (tree_decl_map_cache_hasher::handle_cache_entry): Delete.
        (tree_vec_map_cache_hasher::keep_cache_entry): New function.
        * tree.c (type_cache_hasher::handle_cache_entry): Delete.
        (type_cache_hasher::keep_cache_entry): New function.
        (tree_vec_map_cache_hasher::handle_cache_entry): Delete.
        (tree_vec_map_cache_hasher::keep_cache_entry): New function.
        * ubsan.c (tree_type_map_cache_hasher::handle_cache_entry): Delete.
        (tree_type_map_cache_hasher::keep_cache_entry): New function.
        * varasm.c (tm_clone_hasher::handle_cache_entry): Delete.
        (tm_clone_hasher::keep_cache_entry): New function.
        * config/i386/i386.c (dllimport_hasher::handle_cache_entry): Delete.
        (dllimport_hasher::keep_cache_entry): New function.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-table.h: Include hash-traits.h.
        (typed_free_remove, typed_noop_remove, pointer_hash, ggc_hasher)
        (ggc_cache_hasher): Move to...
        * hash-traits.h: ...this new file.

2015-06-25  Andrew MacLeod  <amacleod@redhat.com>

        * tree-core.h (struct tree_optimization_option): Make opts a pointer to
        struct cl_optimization.
        * tree.h (TREE_OPTIMIZATION): Return the pointer, not the address of it.
        * tree.c (make_node_stat): Allocate cl_optimization struct.
        (copy_node_stat): Allocate and copy cl_optimization struct.

2015-06-25  Andrew MacLeod  <amacleod@redhat.com>

        * function.h (struct incoming_args): Move struct.
        (pass_by_reference, reference_callee_copied): Remove prototypes.
        * emit-rtl.h (struct incoming_args): Relocate struct here.
        * calls.h (pass_by_reference, reference_callee_copied): Relocate
        prototypes here.
        * function.c (pass_by_reference, reference_callee_copied): Move.
        * calls.c (pass_by_reference, reference_callee_copied): Relocate here.
        * cfgloop.h: Don't include tm.h or hard-reg-set.h.
        * ipa-chkp.c: Include calls.h.

2015-06-25  Andrew Macleod  <amacleod@redhat.com>

        * alias.h (alias_set_type): Move typedef.
        * coretypes.h (alias_set_type): Relocate typedef here.
        * rtl.h: Don't include alias.h.

2015-06-25  Andrew MacLeod  <amacleod@redhat.com>

        * cgraph.h (cgraph_rtl_info): Move to rtl.h
        (cgraph_node): Maintain pointer to struct cgraph_rtl_info instead of
        and instance.
        * rtl.h (struct cgraph_rtl_info): Define when HARD_REG_SET available.
        * cgraph.c (cgraph_node::rtl_info): Allocate cgraph_rtl_info if one
        doesn't exist.
        * calls.c: Include hard-reg-set.h before rtl.h.
        * ira.c: Likewise.

2015-06-25  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
            Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (assign_hard_reg): Remove unecessary bitmap check.
        Add assert.

2015-06-25  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Move simplification of
        (X <<>> C1) & C2 ...
        * match.pd: ... here.

2015-06-25  Eric Botcazou  <ebotcazou@adacore.com>

        * lto-streamer-out.c (DFS::hash_scc): Fix typos & formatting glitches.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * match.pd: Add patterns for vec_conds between 1 and 0.

2015-06-25  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_conversion): Do not set
        STMT_VINFO_VEC_STMT for SLP.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        (vect_transform_stmt): Catch SLP vectorization clobbering
        STMT_VINFO_VEC_STMT.

2015-06-25  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Improve debug
        dumping.
        (vect_create_mask_and_perm): Do not set STMT_VINFO_VEC_STMT and
        cleanup resulting dead code and parameters.
        (vect_transform_slp_perm_load): Adjust.

2015-06-25  Nick Clifton  <nickc@redhat.com>

        * config/bfin/bfin.c (bfin_expand_prologue): Set
        current_function_static_stack_size if flag_stack_usage_info is set.
        * config/ft32/ft32.c (ft32_expand_prologue): Likewise.
        * config/h8300/h8300.c (h8300_expand_prologue): Likewise.
        * config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise.
        * config/m32c/m32c.c (m32c_emit_prologue): Likewise.

2015-06-25  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Don't claim in header
        comment that the generated IV is unsigned.

2015-06-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/29693
        * config/arm/arm.c (arm_dbx_register_number): Return
        DWARF_FRAME_REGISTERS by default.

2015-06-25  Tom de Vries  <tom@codesourcery.com>

        * dominance.c (calculate_dominance_info): Fix verify_dominators call
        argument.  Call verify_dominator when reusing dominator info.

2015-06-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/66563
        * config/sh/sh.md (GOTaddr2picreg): Add a new operand for
        an additional element of the unspec vector.  Modify indices
        of operands.
        (builtin_setjmp_receiver): Pass const0_rtx to gen_GOTaddr2picreg.
        * config/sh/sh.c (prepare_move_operands): Pass incremented
        const_int to gen_GOTaddr2picreg.
        (sh_expand_prologue): Pass const0_rtx to gen_GOTaddr2picreg.

2015-06-24  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64.md (<optab><fcvt_target><GPF:mode>2):
        Condition on TARGET_FLOAT.

2015-06-24  Alan Lawrence  <alan.lawrence@arm.com>

        * doc/invoke.texi: Clarify AArch64 feature modifiers (no)fp, (no)simd
        and (no)crypto.

2015-06-24  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_err_no_fpadvsimd): New.

        * config/aarch64/aarch64.md (mov<mode>/GPF, movtf): Use
        aarch64_err_no_fpadvsimd.

        * config/aarch64/aarch64.c (aarch64_err_no_fpadvsimd): New.
        (aarch64_layout_arg, aarch64_init_cumulative_args): Use
        aarch64_err_no_fpadvsimd if !TARGET_FLOAT and we need FP regs.
        (aarch64_expand_builtin_va_start, aarch64_setup_incoming_varargs):
        Turn error into assert, test TARGET_FLOAT.
        (aarch64_gimplify_va_arg_expr): Use aarch64_err_no_fpadvsimd, test
        TARGET_FLOAT.

2015-06-24  Aldy Hernandez  <aldyh@redhat.com>

        PR debug/66482
        * dwarf2out.c (gen_formal_parameter_die): Remove assert.

2015-06-24  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-slp.c (vect_build_slp_tree_1): Init vectype.

2015-06-24  Renlin Li <renlin.li@arm.com>

        * config/aarch64/aarch64.h(TARGET_CPU_CPP_BUILTINS): Add
        __ARM_ALIGN_MAX_PWR, __ARM_ALIGN_MAX_STACK_PWR.

2015-06-24  Richard Biener  <rguenther@suse.de>

        * genmatch.c (enum tree_code): Add VIEW_CONVERT[012].
        (main): Likewise.
        (lower_opt_convert): Support lowering of conditional view_convert.
        (parser::parse_operation): Likewise.
        (parser::parse_for): Likewise.

2015-06-24  Renlin Li  <renlin.li@arm.com>

        * varasm.c (emit_local): Use unsigned int for align variable.

2015-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/63408
        * config/arm/arm.c (vfp3_const_double_for_fract_bits): Disable
        for negative numbers.

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR rtl-optimization/66306
        * reload.c (find_reloads): Swap the match_dup info for
        commutative operands.

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vx-builtins.md
        ("vec_scatter_element<mode>_<non_vec_int>")
        ("vec_scatter_element<V_HW_64:mode>_SI"): Replace gf mode
        attribute with bhfgq.

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-builtins.def: Fix vpopct instruction comments.

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-builtin-types.def: Add flag to indicate the
        options under which the function type is needed.
        * config/s390/s390-builtins.def: Add flag to indicate the options
        under which the builtin is enabled.
        * config/s390/s390-builtins.h: Add flags parameter to macro
        definitions.
        (bflags_for_builtin): New function.
        (flags_for_builtin): Renamed to ...
        (opflags_for_builtin): ... this.
        * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Rename
        flags_for_builtin to bflags_for_builtin and
        flags_overloaded_builtin_var to opflags_overloaded_builtin_var.
        * config/s390/s390.c: Add initialization of bflags_builtin and
        opflags_builtin arrays.
        Remove code for flags_builtin.
        (s390_init_builtins): Only create builtin function types if one of
        their flags is active.
        Only create builtins if all of their flags are active.
        (s390_expand_builtin): Rename flags_for_builtin to
        opflags_for_builtin.

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vecintrin.h: Remove internal builtins.

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_secondary_reload): Fix check for
        GENERAL_REGS register class.

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_support_vector_misalignment): Call
        default implementation for !TARGET_VX.

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_legitimate_constant_p): Add
        TARGET_VX check.

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_vector_abi): New variable definition.
        (s390_check_type_for_vector_abi): New function.
        (TARGET_ASM_FILE_END): New macro definition.
        (s390_asm_file_end): New function.
        (s390_function_arg): Call s390_check_type_for_vector_abi.
        (s390_gimplify_va_arg): Likewise.
        * configure: Regenerate.
        * configure.ac: Check for .gnu_attribute Binutils feature.

2015-06-23  Chen Gang  <gang.chen.5i5j@gmail.com>

        PR target/65803
        * config/bfin/bfin.c (hwloop_optimize): Initialize
        JUMP_LABEL for newly created jump.

2015-06-23  Tristan Gingold  <gingold@adacore.com>

        * collect-utils.c (collect_wait): Unlink the response file here
        instead of...
        (do_wait): ...here.
        (utils_cleanup): ...and here.

2015-06-23  Richard Sandiford  <richard.sandiford@arm.com>

        * df-scan.c: Don't include target-def.h.
        * targhooks.c: Likewise.
        * config/arm/arm-c.c: Likewise.
        * config/i386/i386-c.c: Likewise.
        * config/nds32/nds32-cost.c: Likewise.
        * config/nds32/nds32-fp-as-gp.c: Likewise.
        * config/nds32/nds32-intrinsic.c: Likewise.
        * config/nds32/nds32-isr.c: Likewise.
        * config/nds32/nds32-md-auxiliary.c: Likewise.
        * config/nds32/nds32-memory-manipulation.c: Likewise.
        * config/nds32/nds32-pipelines-auxiliary.c: Likewise.
        * config/nds32/nds32-predicates.c: Likewise.

2015-06-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66636
        * tree-vect-stmts.c (vectorizable_store): Properly compute the
        def type for further defs for strided stores.

2015-06-23  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.md (sel_true<mode>, sel_false<mode>): New
        conditional selects.
        (setcc_int<mode>, setcc_float<mode>): Reformat.

2015-06-23  Marek Polacek  <polacek@redhat.com>

        * match.pd ((x + y) - (x | y) -> x & y,
        (x + y) - (x & y) -> x | y): New patterns.

2015-06-23  Ludovic Courtès  <ludo@gnu.org>

        PR 65711
        * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Move
        '-dynamic-linker' within %{!shared: ...}.

2015-06-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66560
        * config/i386/predicates.md (addsub_vm_operator): New predicate.
        (addsub_vs_operator): Ditto.
        (addsub_vs_parallel): Ditto.
        * config/i386/sse.md (ssedoublemode): Add V4SF and V2DF modes.
        (avx_addsubv4df3, avx_addsubv8sf3, sse3_addsubv2df3, sse3_addsubv4sf3):
        Put minus RTX before plus and adjust vec_merge selector.
        (*avx_addsubv4df3_1, *avx_addsubv4df3_1s, *sse3_addsubv2df3_1)
        (*sse_addsubv2df3_1s, *avx_addsubv8sf3_1, *avx_addsubv8sf3_1s)
        (*sse3_addsubv4sf3_1, *sse_addsubv4sf3_1s): Remove insn patterns.
        (addsub vec_merge splitters): New combiner splitters.
        (addsub vec_select/vec_concat splitters): Ditto.

2015-06-23  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/66449
        * tree-ssa-loop-niter.c (loop_exits_before_overflow): Use
        POINTER_PLUS_EXPR for pointers.

2015-06-23  Alan Modra  <amodra@gmail.com>

        * rtlanal.c (commutative_operand_precedence): Correct comments.
        * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Delete forward
        declaration.  Return an int.  Distinguish REG,REG return from
        others.
        (struct simplify_plus_minus_op_data): Make local to function.
        (simplify_plus_minus): Don't set canonicalized if merely sorting
        registers.  Avoid packing ops if nothing changes.  White space fixes.

2015-06-22  Pierre-Marie de Rodat  <derodat@adacore.com>

        * gcc.c (default_compilers): Pass "-o %g.s" to cc1 for headers even if
        -fdump-ada-spec is passed but not if -fsyntax-only is.

2015-06-22  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/63740
        * lra-lives.c (process_bb_lives): Check insn copying the same
        reload pseudo and don't create a copy for it.

2015-06-22  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (transform_to_exit_first_loop_alt): Add update_stmt
        for cond_stmt.

2015-06-22  Tom de Vries  <tom@codesourcery.com>

        * builtins.def (DEF_GOMP_BUILTIN): Test
        'flag_tree_parallelize_loops > 1' instead of
        'flag_tree_parallelize_loops'.  Test flag_cilkplus.

2015-06-22  Tom de Vries  <tom@codesourcery.com>

        * dominance.c (calculate_dominance_info): Verify dominators if
        early-out.

2015-06-22  Marek Polacek  <polacek@redhat.com>

        * match.pd ((x ^ y) ^ (x | y) -> x & y,
        (x & y) + (x ^ y) -> x | y, (x & y) | (x ^ y) -> x | y,
        (x & y) ^ (x ^ y) -> x | y, (x & y) + (x | y) -> x + y,
        (x | y) - (x ^ y) -> x & y, (x | y) - (x & y) -> x ^ y): New patterns.

2015-06-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/65871
        * config/i386/i386.c (ix86_rtx_costs) <case COMPARE>: Ignore the
        cost of embedded comparison.

2015-06-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/65914
        * config/rs6000/predicates.md (altivec_register_operand): Permit
        virtual stack registers.
        (vsx_register_operand): Likewise.
        (vfloat_operand): Likewise.
        (vint_operand): Likewise.
        (vlogical_operand): Likewise.

2015-06-22  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_loop_vec_info): Add scalar_cost_vec
        and single_scalar_iteration_cost members.
        (LOOP_VINFO_SCALAR_ITERATION_COST): New.
        (LOOP_VINFO_SINGLE_SCALAR_ITERATION_COST): Likewise.
        (vect_get_single_scalar_iteration_cost): Remove.
        * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost):
        Use LOOP_VINFO_SCALAR_ITERATION_COST.
        * tree-vect-loop.c (destroy_loop_vec_info): Free
        scalar_cost_vec.
        (vect_get_single_scalar_iteration_cost): Compute result into
        LOOP_VINFO_SINGLE_SCALAR_ITERATION_COST and
        LOOP_VINFO_SCALAR_ITERATION_COST.  Make static.
        (vect_analyze_loop_2): Call vect_get_single_scalar_iteration_cost.
        (vect_estimate_min_profitable_iters): Use them.

2015-06-22  Christian Bruel  <christian.bruel@st.com>

        PR target/52144
        * config/arm/arm.c (add_attribute, arm_insert_attributes): New functions
        (TARGET_INSERT_ATTRIBUTES): Define.
        (thumb_flipper): New var.
        * config/arm/arm.opt (-mflip-thumb): New switch.

2015-06-22  Jan Hubicka  <hubicka@ucw.cz>
            Martin Liska  <mliska@suse.cz>

        PR ipa/65908
        * ipa-icf.c (sem_item::target_supports_symbol_aliases): Remove
        construction of arg_types.
        (sem_function::sem_function): Likewise.
        (sem_function::~sem_function): Remove destruction of arg_types.
        (sem_function::compatible_parm_types_p): New function.
        (sem_function::equals_wpa): Reorg matching of return values
        and parameter types.
        (sem_function::equals_private): Reorg mathcing of argument types.
        (sem_function::parse_tree_args): Remove.
        * ipa-icf.h (init_wpa): Do not call it.
        (parse_tree_args): Remove.
        (compatible_parm_types_p): Declare.
        (result_type): Remove.
        (arg_types): Remove.

2015-06-22  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66351
        * ipa-polymorphic-call.c
        (ipa_polymorphic_call_context::get_dynamic_type): Fix thinko when
        initializing alias oracle; fix formating; set base_alias_set if it
        is known.

2015-06-22  Mikhail Maltsev  <maltsevm@gmail.com>

        * auto-inc-dec.c (reverse_mem, reverse_inc): Remove.
        (parse_add_or_inc): Use std::swap instead of reverse_{mem,inc}.
        (find_inc): Likewise.
        * combine.c (combine_simplify_rtx): Use std::swap instead of manually
        swapping.
        * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
        * df-scan.c (df_swap_refs): Remove.
        (df_sort_and_compress_refs): Use std::swap instead of df_swap_refs.
        * dominance.c (link_roots): Use std::swap instead of manually swapping.
        * expr.c (expand_expr_real_2, do_store_flag): Likewise.
        * fold-const.c (fold_relational_const): Likewise.
        * genattrtab.c (simplify_test_exp): Likewise.
        * gimple-match-head.c (gimple_resimplify2, gimple_resimplify3,
        gimple_simplify): Likewise.
        * ifcvt.c (noce_try_abs, find_if_header): Likewise.
        * internal-fn.c (expand_addsub_overflow, expand_mul_overflow): Likewise.
        * ipa-devirt.c (add_type_duplicate): Likewise.
        * loop-iv.c (get_biv_step_1, iv_number_of_iterations): Likewise.
        * lra-lives.c (lra_setup_reload_pseudo_preferenced_hard_reg): Likewise.
        * lra.c (lra_create_copy): Likewise.
        * lto-streamer-out.c (DFS::DFS): Likewise.
        * modulo-sched.c (get_sched_window): Likewise.
        * omega.c (omega_pretty_print_problem): Likewise.
        * optabs.c (prepare_float_lib_cmp, expand_mult_highpart): Likewise.
        * reload1.c (reloads_unique_chain_p): Likewise.
        * sel-sched-ir.c (exchange_lv_sets, exchange_av_sets): Remove.
        (exchange_data_sets): Move logic from exchange_{av,lv}_sets here and
        use std::swap.
        * simplify-rtx.c (simplify_unary_operation_1): Use std::swap instead of
        manually swapping.
        * tree-if-conv.c (is_cond_scalar_reduction, predicate_scalar_phi,
        predicate_mem_writes): Likewise.
        * tree-loop-distribution.c (pg_add_dependence_edges): Likewise.
        * tree-predcom.c (combine_chains): Likewise.
        * tree-ssa-alias.c (nonoverlapping_component_refs_p,
        refs_may_alias_p_1): Likewise.
        * tree-ssa-ifcombine.c (recognize_if_then_else): Likewise.
        * tree-ssa-loop-ivopts.c (extract_cond_operands): Likewise.
        * tree-ssa-loop-niter.c (refine_bounds_using_guard,
        number_of_iterations_cond): Likewise.
        * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Likewise.
        * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
        * tree-vect-slp.c (vect_build_slp_tree): Likewise.
        * tree-vect-stmts.c (supportable_widening_operation): Likewise.
        * tree-vrp.c (extract_range_from_binary_expr_1,
        extract_range_from_unary_expr_1): Likewise.

2015-06-20  Marek Polacek  <polacek@redhat.com>

        * common.opt (fsanitize-undefined-trap-on-error): Add Driver.

2015-06-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/66591
        * config/sh/sh.c (prepare_move_operands): Replace subreg
        index term with R0 for base and index addressing.

2015-06-19  Jim Wilson  <jim.wilson@linaro.org>

        * config/aarch64/aarch64.md (mov<mode>:GPF): Don't call force_reg if
        op1 is an fp zero.
        (movsf_aarch64): Change condition from register_operand to
        aarch64_reg_or_fp_zero for op1.  Change type for alternative 6 to
        load1.  Change type for alternative 7 to store1.
        (movdf_aarch64): Likewise.

2015-06-19  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/vax/vax.md: Adjust sign/zero extend patterns to
        handle SUBREGs in operands[1].

2015-06-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/i386/i386.c (ix86_function_versions): Use std::swap instead
        of manually swapping.
        (expand_vec_perm_interleave2): Likewise.

2015-06-19  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-chkp.c (chkp_compute_bounds_for_assignment): Don't
        reuse bounds created for abnormal ssa names.

2015-06-19  Jakub Jelinek  <jakub@redhat.com>

        * config/nvptx/nvptx.md (allocate_stack): Rename to...
        (allocate_stack_<mode>): ... this, and add :P on both
        match_operand and unspec.
        (allocate_stack): New expander.

2015-06-19  Christian Bruel  <christian.bruel@st.com>

        PR target/66541
        PR target/52144
        * config/arm/arm.c (arm_set_current_function): Handle
        explicit default options.

2015-06-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movsicc_noc_zext): New insn.
        (zero-extended cmove with mem peephole2): New pattern.
        (cmove with mem peephole2): Merge patterns.

2015-06-18  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.h (WORD_REGISTER_OPERATIONS): Delete.

2015-06-18  Steve Ellcey  <sellcey@imgtec.com>

        * config/mips/mips.c (mips_rtx_costs): Remove HONOR_NAN check.
        * config/mips/mips.md (*madd4<mode>): Ditto.
        (*nmadd3<mode>) Ditto.
        (*nmadd4<mode>_fastmath): Ditto.
        (*nmadd3<mode>_fastmath): Ditto.
        (*nmsub4<mode>): Ditto.
        (*nmsub3<mode>): Ditto.
        (*nmsub4<mode>_fastmath): Ditto.
        (*nmsub3<mode>_fastmath): Ditto.

2015-06-18  Michael Matz  <matz@suse.de>

        PR middle-end/66253
        * tree-vect-stmts.c (vectorizable_store): Implement non-SLP
        grouped strided stores.
        (vectorizable_load): Don't use the DR from first_stmt in
        the non-SLP grouped strided case.

2015-06-18  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/66569
        * function.c (assign_bounds): Add arguments assign_regs,
        assign_special, assign_bt.
        (assign_parms): For vararg functions handle bounds in BT
        and special slots after incoming vararg bounds.

2015-06-18  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR middle-end/66568
        * cfgexpand.c (expand_return): Handle missing bounds.
        (expand_gimple_stmt_1): Likewise.
        * tree-chkp.c (chkp_expand_zero_bounds): New.
        * tree-chkp.h (chkp_expand_zero_bounds): New.

2015-06-18  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR middle-end/66567
        * ipa-chkp.c (chkp_maybe_create_clone): Require
        functions to be instrumentable.
        * tree-chkp.c (chkp_replace_function_pointer): Use
        chkp_instrumentable_p instead of attribute check.

2015-06-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66510
        * tree-vect-stmts.c (vectorizable_load): Properly compute the
        number of vector loads for SLP permuted loads.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Also
        check the stride for loop vectorization.
        (vect_enhance_data_refs_alignment): Deal with SLP adjusted
        vectorization factor.
        (vect_analyze_group_access): If the group size is not a power
        of two require a epilogue loop.
        * tree-vect-loop.c (vect_analyze_loop_2): Move alignment
        compute and optimizing and alias test pruning after final
        vectorization factor computation.
        * tree-vect-slp.c (vect_build_slp_tree_1): Remove check on
        vector alignment.
        (vect_transform_slp_perm_load): Properly compute the original
        number of vector load stmts.

2015-06-18  Uros Bizjak  <ubizjak@gmail.com>

        * doc/invoke.texi (-fsanitize-sections): Split @var to avoid
        "unlikely character , in @var" warning.

2015-06-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_function_arg): Nest TARGET_64BIT code.
        (ix86_function_arg_advance): Ditto.
        (ix86_pass_by_reference): Ditto.  Rewrite MS_ABI part.

2015-06-17  Andrew MacLeod  <amacleod@redhat.com>

        * function.h (struct rtl_data): Remove struct and accessor macros.
        * emit-rtl.h (struct rtl_data): Relocate to here.
        * Makefile.in (GTFILES): Add emit-rtl.h.
        * df-core.c: Include emit-rtl.h.
        * genattrtab.c: Likewise.
        * genconditions.c: Likewise.
        * genpreds.c: Likewise.
        * genrecog.c: Likewise.
        * regcprop.c: Likewise.
        * resource.c: Likewise.
        * sched-rgn.c: Likewise.
        * config/aarch64/cortex-a57-fma-steering.c: Likewise.
        * config/i386/winnt.c: Likewise.

2015-06-17  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/66429
        * omp-low.c (expand_omp_taskreg, expand_omp_target): Use child_cfun
        instead of DECL_STRUCT_FUNCTION (child_fn).  Or in has_simduid_loops
        and has_force_vectorize_loops flags from cfun into
        child_cfun.
        (expand_omp_simd): For broken loop, set cfun->has_simduid_loops
        if simduid is non-NULL.
        * tree-pass.h (make_pass_simduid_cleanup): New prototype.
        * passes.def (pass_simduid_cleanup): Add new pass after loop
        passes.
        * tree-vectorizer.c (adjust_simduid_builtins): Remove one unnecessary
        indirection from htab argument's type.
        (shrink_simd_arrays): New function.
        (vectorize_loops): Use it.  Adjust adjust_simduid_builtins caller.
        Don't call adjust_simduid_builtins if there are no loops.
        (pass_data_simduid_cleanup, pass_simduid_cleanup): New variables.
        (pass_simduid_cleanup::execute): New method.
        (make_pass_simduid_cleanup): New function.

2017-06-17  Andrew MacLeod  <amacleod@redhat.com>

        * tree-core.h (tree_target_option): Make opts field a pointer to a
        cl_target_option instead of an instance of the struct.
        * tree.h (TREE_TARGET_OPTION): Return the pointer, not an address of
        the structure.
        * tree.c (make_node_stat ): Allocate a cl_target_option struct for
        TARGET_OPTION_NODE.
        (copy_node_stat): Allocate and copy struct cl_target_option.

2015-06-17  Andrew MacLeod  <amacleod@redhat.com>

        * tree.h (merge_dllimport_decl_attributes, handle_dll_attribute):
        Remove conditional exposure of prototypes.
        (ANON_AGGRNAME_FORMAT, ANON_AGGRNAME_P): Delete.
        * tree.c (anon_aggrname_format, anon_aggrname_p): New.  Replace macro
        definitions in tree.h with functions.
        * lto-streamer-out.c (DFS_write_tree_body, hash_tree): Use
        anon_aggrname_p.
        * tree-streamer-out.c (write_ts_decl_minimal_tree_pointers): Likewise.

2015-06-17  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (*cmp<mode>_internal1): Rename to...
        (*cmp<mode>_signed): ... this.
        (*cmpsi_internal2, *cmpdi_internal2): Merge, rename to...
        (*cmp<mode>_unsigned): ... this.  Remove %b.

2015-06-17  Andrew MacLeod  <amacleod@redhat.com>

        * coretypes.h: Include input.h and as-a.h.
        * rtl.h: Include input.h and as-a.h for generator files.
        * hwint.c: Include coretypes.h, don't include diagnostic-core.h.
        * vec.c: Don't include diagnostic-core.h.
        * alias.c: Do not include input.h, line-map.h or is-a.h.
        * asan.c: Likewise.
        * attribs.c: Likewise.
        * auto-inc-dec.c: Likewise.
        * auto-profile.c: Likewise.
        * bb-reorder.c: Likewise.
        * bt-load.c: Likewise.
        * builtins.c: Likewise.
        * caller-save.c: Likewise.
        * calls.c: Likewise.
        * ccmp.c: Likewise.
        * cfg.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfgexpand.c: Likewise.
        * cfghooks.c: Likewise.
        * cfgloop.c: Likewise.
        * cfgloop.h: Likewise.
        * cfgloopanal.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * cfgrtl.c: Likewise.
        * cgraph.c: Likewise.
        * cgraphbuild.c: Likewise.
        * cgraphclones.c: Likewise.
        * cgraphunit.c: Likewise.
        * cilk-common.c: Likewise.
        * combine-stack-adj.c: Likewise.
        * combine.c: Likewise.
        * compare-elim.c: Likewise.
        * convert.c: Likewise.
        * coverage.c: Likewise.
        * cppbuiltin.c: Likewise.
        * cprop.c: Likewise.
        * cse.c: Likewise.
        * cselib.c: Likewise.
        * data-streamer-in.c: Likewise.
        * data-streamer-out.c: Likewise.
        * data-streamer.c: Likewise.
        * dbxout.c: Likewise.
        * dce.c: Likewise.
        * ddg.c: Likewise.
        * debug.c: Likewise.
        * df-core.c: Likewise.
        * df-problems.c: Likewise.
        * df-scan.c: Likewise.
        * df.h: Likewise.
        * dfp.c: Likewise.
        * diagnostic-core.h: Likewise.
        * diagnostic.c: Likewise.
        * dojump.c: Likewise.
        * dominance.c: Likewise.
        * domwalk.c: Likewise.
        * double-int.c: Likewise.
        * dse.c: Likewise.
        * dumpfile.c: Likewise.
        * dumpfile.h: Likewise.
        * dwarf2asm.c: Likewise.
        * dwarf2cfi.c: Likewise.
        * dwarf2out.c: Likewise.
        * emit-rtl.c: Likewise.
        * et-forest.c: Likewise.
        * except.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fixed-value.c: Likewise.
        * fold-const.c: Likewise.
        * function.c: Likewise.
        * fwprop.c: Likewise.
        * gcc-plugin.h: Likewise.
        * gcse.c: Likewise.
        * generic-match-head.c: Likewise.
        * ggc-page.c: Likewise.
        * gimple-builder.c: Likewise.
        * gimple-expr.c: Likewise.
        * gimple-fold.c: Likewise.
        * gimple-iterator.c: Likewise.
        * gimple-low.c: Likewise.
        * gimple-match-head.c: Likewise.
        * gimple-pretty-print.c: Likewise.
        * gimple-ssa-isolate-paths.c: Likewise.
        * gimple-ssa-strength-reduction.c: Likewise.
        * gimple-streamer-in.c: Likewise.
        * gimple-streamer-out.c: Likewise.
        * gimple-streamer.h: Likewise.
        * gimple-walk.c: Likewise.
        * gimple.c: Likewise.
        * gimplify-me.c: Likewise.
        * gimplify.c: Likewise.
        * godump.c: Likewise.
        * graph.c: Likewise.
        * graphite-blocking.c: Likewise.
        * graphite-dependences.c: Likewise.
        * graphite-interchange.c: Likewise.
        * graphite-isl-ast-to-gimple.c: Likewise.
        * graphite-optimize-isl.c: Likewise.
        * graphite-poly.c: Likewise.
        * graphite-scop-detection.c: Likewise.
        * graphite-sese-to-poly.c: Likewise.
        * graphite.c: Likewise.
        * haifa-sched.c: Likewise.
        * hw-doloop.c: Likewise.
        * ifcvt.c: Likewise.
        * init-regs.c: Likewise.
        * input.c: Likewise.
        * internal-fn.c: Likewise.
        * ipa-chkp.c: Likewise.
        * ipa-comdats.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-devirt.c: Likewise.
        * ipa-icf-gimple.c: Likewise.
        * ipa-icf.c: Likewise.
        * ipa-inline-analysis.c: Likewise.
        * ipa-inline-transform.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-polymorphic-call.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-ref.c: Likewise.
        * ipa-reference.c: Likewise.
        * ipa-split.c: Likewise.
        * ipa-utils.c: Likewise.
        * ipa-visibility.c: Likewise.
        * ipa.c: Likewise.
        * ira-build.c: Likewise.
        * ira-color.c: Likewise.
        * ira-conflicts.c: Likewise.
        * ira-costs.c: Likewise.
        * ira-emit.c: Likewise.
        * ira-lives.c: Likewise.
        * ira.c: Likewise.
        * jump.c: Likewise.
        * langhooks.c: Likewise.
        * lcm.c: Likewise.
        * loop-doloop.c: Likewise.
        * loop-init.c: Likewise.
        * loop-invariant.c: Likewise.
        * loop-iv.c: Likewise.
        * loop-unroll.c: Likewise.
        * lower-subreg.c: Likewise.
        * lra-assigns.c: Likewise.
        * lra-coalesce.c: Likewise.
        * lra-constraints.c: Likewise.
        * lra-eliminations.c: Likewise.
        * lra-lives.c: Likewise.
        * lra-remat.c: Likewise.
        * lra-spills.c: Likewise.
        * lra.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-compress.c: Likewise.
        * lto-opts.c: Likewise.
        * lto-section-in.c: Likewise.
        * lto-section-out.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * lto-streamer.c: Likewise.
        * mcf.c: Likewise.
        * mode-switching.c: Likewise.
        * modulo-sched.c: Likewise.
        * omega.c: Likewise.
        * omp-low.c: Likewise.
        * optabs.c: Likewise.
        * opts-global.c: Likewise.
        * opts.h: Likewise.
        * passes.c: Likewise.
        * plugin.c: Likewise.
        * postreload-gcse.c: Likewise.
        * postreload.c: Likewise.
        * predict.c: Likewise.
        * pretty-print.h: Likewise.
        * print-rtl.c: Likewise.
        * print-tree.c: Likewise.
        * profile.c: Likewise.
        * real.c: Likewise.
        * realmpfr.c: Likewise.
        * recog.c: Likewise.
        * ree.c: Likewise.
        * reg-stack.c: Likewise.
        * regcprop.c: Likewise.
        * reginfo.c: Likewise.
        * regrename.c: Likewise.
        * regstat.c: Likewise.
        * reload.c: Likewise.
        * reload1.c: Likewise.
        * reorg.c: Likewise.
        * resource.c: Likewise.
        * rtl-chkp.c: Likewise.
        * rtl-error.c: Likewise.
        * rtlanal.c: Likewise.
        * rtlhooks.c: Likewise.
        * sanopt.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-ebb.c: Likewise.
        * sched-rgn.c: Likewise.
        * sched-vis.c: Likewise.
        * sdbout.c: Likewise.
        * sel-sched-dump.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * sel-sched.c: Likewise.
        * sese.c: Likewise.
        * shrink-wrap.c: Likewise.
        * simplify-rtx.c: Likewise.
        * stack-ptr-mod.c: Likewise.
        * statistics.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * store-motion.c: Likewise.
        * streamer-hooks.c: Likewise.
        * stringpool.c: Likewise.
        * symtab.c: Likewise.
        * target-globals.c: Likewise.
        * targhooks.c: Likewise.
        * toplev.c: Likewise.
        * tracer.c: Likewise.
        * trans-mem.c: Likewise.
        * tree-affine.c: Likewise.
        * tree-browser.c: Likewise.
        * tree-call-cdce.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-chkp-opt.c: Likewise.
        * tree-chkp.c: Likewise.
        * tree-chrec.c: Likewise.
        * tree-complex.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-dfa.c: Likewise.
        * tree-diagnostic.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-emutls.c: Likewise.
        * tree-if-conv.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-iterator.c: Likewise.
        * tree-loop-distribution.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-nrv.c: Likewise.
        * tree-object-size.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-phinodes.c: Likewise.
        * tree-predcom.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-profile.c: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa-address.c: Likewise.
        * tree-ssa-alias.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree-ssa-copy.c: Likewise.
        * tree-ssa-copyrename.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-ssa-dom.c: Likewise.
        * tree-ssa-dse.c: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * tree-ssa-ifcombine.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-ch.c: Likewise.
        * tree-ssa-loop-im.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-ssa-loop-manip.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-loop-unswitch.c: Likewise.
        * tree-ssa-loop.c: Likewise.
        * tree-ssa-math-opts.c: Likewise.
        * tree-ssa-operands.c: Likewise.
        * tree-ssa-phiopt.c: Likewise.
        * tree-ssa-phiprop.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-propagate.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-ssa-scopedtables.c: Likewise.
        * tree-ssa-sink.c: Likewise.
        * tree-ssa-strlen.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-ssa-tail-merge.c: Likewise.
        * tree-ssa-ter.c: Likewise.
        * tree-ssa-threadedge.c: Likewise.
        * tree-ssa-threadupdate.c: Likewise.
        * tree-ssa-uncprop.c: Likewise.
        * tree-ssa-uninit.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-ssanames.c: Likewise.
        * tree-stdarg.c: Likewise.
        * tree-streamer-in.c: Likewise.
        * tree-streamer-out.c: Likewise.
        * tree-streamer.c: Likewise.
        * tree-switch-conversion.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-generic.c: Likewise.
        * tree-vect-loop-manip.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-slp.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.
        * tsan.c: Likewise.
        * ubsan.c: Likewise.
        * valtrack.c: Likewise.
        * value-prof.c: Likewise.
        * var-tracking.c: Likewise.
        * varasm.c: Likewise.
        * varpool.c: Likewise.
        * vmsdbgout.c: Likewise.
        * vtable-verify.c: Likewise.
        * web.c: Likewise.
        * wide-int.cc: Likewise.
        * xcoffout.c: Likewise.
        * common/common-target.h: Do not include input.h, line-map.h or is-a.h.
        * common/common-targhooks.c: Likewise.
        * config/aarch64/aarch64-builtins.c: Likewise.
        * config/aarch64/aarch64.c: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/aarch-common.c: Likewise.
        * config/arm/arm-builtins.c: Likewise.
        * config/arm/arm-c.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/avr/avr-c.c: Likewise.
        * config/avr/avr-log.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/c6x/c6x.c: Likewise.
        * config/cr16/cr16.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/darwin.c: Likewise.
        * config/default-c.c: Likewise.
        * config/epiphany/epiphany.c: Likewise.
        * config/epiphany/mode-switch-use.c: Likewise.
        * config/epiphany/resolve-sw-modes.c: Likewise.
        * config/fr30/fr30.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/ft32/ft32.c: Likewise.
        * config/glibc-c.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/i386/i386-c.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/msformat-c.c: Likewise.
        * config/i386/winnt-cxx.c: Likewise.
        * config/i386/winnt-stubs.c: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64-c.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/lm32/lm32.c: Likewise.
        * config/m32c/m32c-pragma.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep-pragma.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/microblaze/microblaze-c.c: Likewise.
        * config/microblaze/microblaze.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/moxie/moxie.c: Likewise.
        * config/msp430/msp430-c.c: Likewise.
        * config/msp430/msp430.c: Likewise.
        * config/nds32/nds32-cost.c: Likewise.
        * config/nds32/nds32-fp-as-gp.c: Likewise.
        * config/nds32/nds32-intrinsic.c: Likewise.
        * config/nds32/nds32-isr.c: Likewise.
        * config/nds32/nds32-md-auxiliary.c: Likewise.
        * config/nds32/nds32-memory-manipulation.c: Likewise.
        * config/nds32/nds32-pipelines-auxiliary.c: Likewise.
        * config/nds32/nds32-predicates.c: Likewise.
        * config/nds32/nds32.c: Likewise.
        * config/nios2/nios2.c: Likewise.
        * config/nvptx/nvptx.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/rl78/rl78-c.c: Likewise.
        * config/rl78/rl78.c: Likewise.
        * config/rs6000/rs6000-c.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/s390/s390-c.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sh/sh-c.c: Likewise.
        * config/sh/sh-mem.cc: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh_optimize_sett_clrt.cc: Likewise.
        * config/sh/sh_treg_combine.cc: Likewise.
        * config/sol2-c.c: Likewise.
        * config/sol2-cxx.c: Likewise.
        * config/sol2-stubs.c: Likewise.
        * config/sol2.c: Likewise.
        * config/sparc/sparc-c.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu-c.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/tilegx/mul-tables.c: Likewise.
        * config/tilegx/tilegx-c.c: Likewise.
        * config/tilegx/tilegx.c: Likewise.
        * config/tilepro/mul-tables.c: Likewise.
        * config/tilepro/tilepro-c.c: Likewise.
        * config/tilepro/tilepro.c: Likewise.
        * config/v850/v850-c.c: Likewise.
        * config/v850/v850.c: Likewise.
        * config/vax/vax.c: Likewise.
        * config/visium/visium.c: Likewise.
        * config/vms/vms-c.c: Likewise.
        * config/vms/vms.c: Likewise.
        * config/vxworks.c: Likewise.
        * config/winnt-c.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.

2015-06-17  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.c (mips_ira_change_pseudo_allocno_class): New
        function.
        (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define macro.

2015-06-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66251
        * tree-vect-stmts.c (vectorizable_store): Fix gathering of vectorized
        stmts for SLP strided stores.

        Revert
        2015-05-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66251
        * tree-vect-stmts.c (vectorizable_conversion): Properly
        set STMT_VINFO_VEC_STMT even for the SLP case.

        2015-05-26  Michael Matz  <matz@suse.de>

        PR middle-end/66251
        * tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Always set
        STMT_VINFO_VEC_STMT, also with SLP.

2015-06-16  Uros Bizjak  <ubizjak@gmail.com>

        PR target/56766
        * config/i386/sse.md (*avx_addsubv4df3_1): New insn pattern.
        (*avx_addsubv4df3_1s): Ditto.
        (*sse3_addsubv2df3_1): Ditto.
        (*sse3_addsubv2df3_1s): Ditto.
        (*avx_addsubv8sf3_1): Ditto.
        (*avx_addsubv8sf3_1s): Ditto.
        (*sse3_addsubv4sf3_1): Ditto.
        (*sse3_addsubv4sf3_1s): Ditto.

2015-06-16  Steve Ellcey  <sellcey@imgtec.com>

        * config/mips/mti-linux.h (MIPS_SYSVERSION_SPEC): New.
        (SYSROOT_SUFFIX_SPEC): Update.
        (SYSROOT_HEADERS_SUFFIX_SPEC): New.
        (STARTFILE_PREFIX_SPEC): Update.
        * config/mips/t-mti-linux (MULTILIB_EXCEPTIONS): Remove.
        (MULTILIB_REQUIRED): New.
        (MULTILIB_OSDIRNAMES): New.
        * config/mips/t-img-linux (MULTILIB_EXCEPTIONS): Remove.
        (MULTILIB_REQUIRED): New.
        (MULTILIB_OSDIRNAMES): New.

2015-06-16  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-arches.def: Add "armv8.1-a".
        * config/aarch64/aarch64-options-extensions.def: Update "fP",
        "simd" and "crypto".  Add "lse", "pan", "lor" and "rdma".
        * config/aarch64/aarch64.h (AARCH64_FL_LSE): New.
        (AARCH64_FL_PAN): New.
        (AARCH64_FL_LOR): New.
        (AARCH64_FL_RDMA): New.
        (AARCH64_FL_FOR_ARCH8_1): New.
        * doc/invoke.texi (AArch64 Options): Add "armv8.1-a" to
        -march. Add "lse", "pan", "lor", "rdma" to feature modifiers.

2015-06-16  Martin Liska  <mliska@suse.cz>

        * bitmap.c (dump_bitmap_statistics): Fix GNU coding style.
        * hash-table.c (void dump_hash_table_loc_statistics): Add missing
        guard.

2015-06-16  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_store): Adjust.
        (vectorizable_load): Likewise.
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
        Simplify.
        (vect_create_data_ref_ptr): Likewise.
        (bump_vector_ptr): Adjust.

2015-06-16  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): Properly start loads
        with the first element if this is grouped loads.

2015-06-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/arm-protos.h (struct tune_params): Rename
        log_op_non_sc to log_op_non_short_circuit, and rename enum
        values to expand SC to SHORT_CIRCUIT.
        * config/arm/arm.c (arm_slowmul_tune): Expand LOG_OP_NON_SC
        to LOG_OP_NON_SHORT_CIRCUIT.
        (arm_fastmul_tune):Likewise
        (arm_strongarm_tune): Likewise.
        (arm_xscale_tune): Likewise.
        (arm_9e_tune): Likewise.
        (arm_marvell_pj4_tune): Likewise.
        (arm_v6t2_tune): Likewise.
        (arm_cortex_tune): Likewise.
        (arm_cortex_a8_tune): Likewise.
        (arm_cortex_a7_tune): Likewise.
        (arm_cortex_a15_tune): Likewise.
        (arm_cortex_a53_tune): Likewise.
        (arm_cortex_a57_tune): Likewise.
        (arm_xgene1_tune): Likewise.
        (arm_cortex_a5_tune): Likewise.
        (arm_cortex_a9_tune): Likewise.
        (arm_cortex_a12_tune): Likewise.
        (arm_v7m_tune): Likewise.
        (arm_cortex_m7_tune): Likewise.
        (arm_v6m_tune): Likewise.
        (arm_fa726te_tune): Likewise.

2015-06-15  David Edelsohn  <dje.gcc@gmail.com>

        * altivec.md: Delete UNSPEC_VMLADDUHM.
        (mulv4si3_p8): New pattern.
        (mulv4si3): Use it for POWER8.
        (mulv8hi3): Use vmladduhm with zero addend.
        (altivec_vmladduhm): Descriptive RTL.

2015-06-15  Jim Wilson  <jim.wilson@linaro.org>

        * config/aarch64/aarch64.md (mov<mode>_aarch64): Change alternative 2
        to use neon_move instead of mov_imm.
        (movdi_aarch64): Change alternative 14 to use neon_move not fmov.
        (movtf_aarch64): Change alternative 4 to use neon_move_q not fconstd.

        * config/aarch64/aarch64.c (aarch64_valid_floating_const): Move
        aarch64_float_const_zero_rtx_p check before TFmode check.
        * config/aarch64/aarch64.md (movtf): Don't call force_reg if op1 is
        an fp zero.
        (movtf_aarch64): Separate ?rY alternative into two.  Adjust assembly
        code and attributes to match.  Change condition from register_operand
        to aarch64_reg_or_fp_zero for op1.  Change type for ldp from
        neon_load1_2reg to load2.  Change type for stp from neon_store1_2reg
        to store2.

2015-06-15  Aldy Hernandez  <aldyh@redhat.com>

        PR debug/66535
        * dwarf2out.c (gen_subprogram_die): Do not check a parent's tag if
        there is no parent.

2015-06-14  Shiva Chen  <shiva0217@gmail.com>

        * aarch64.c (aarch64_simd_lane_bounds): Change %ld to %wd for
        HOST_WIDE_INT parameter.

2015-06-14  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66181
        * lto-streamer-out.c (hash_tree): Do not hash TYPE_NO_FORCE_BLK.
        * tree-streamer-out.c (pack_ts_type_common_value_fields): Do not stream
        TYPE_NO_FORCE_BLK.
        * tree-streamer-in.c (unpack_ts_type_common_value_fields): Likewise.

2015-06-14  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (classify_insn): Declare.
        * emit-rtl.c (classify_insn): Move to...
        * rtl.c: ...here and add generator support.
        * gensupport.h (get_emit_function, needs_barrier_p): Declare.
        * gensupport.c (get_emit_function, needs_barrier_p): New functions.
        * genemit.c (gen_emit_seq): New function.
        (gen_expand, gen_split): Use it.

2015-06-13  Patrick Palka  <ppalka@gcc.gnu.org>

        * tree.c (make_vector_stat): Fix comment to state that the
        function returns a VECTOR_CST.

2015-06-13  Richard Sandiford  <richard.sandiford@arm.com>

        * gensupport.h (add_implicit_parallel): Declare.
        * genrecog.c (add_implicit_parallel): Move to...
        * gensupport.c (add_implicit_parallel): ...here.
        (process_one_cond_exec): Use it.
        * genemit.c (gen_insn): Likewise.

2015-06-13  Iain Sandoe  <iain@codesourcery.com>

        PR bootstrap/66448
        * passes.c (rest_of_decl_compilation): Do not register globals for
        early debug if they are declared in built-ins.

2015-06-12  Aldy Hernandez  <aldyh@redhat.com>

        * dwarf2out.c (check_die): Protect with ENABLE_CHECKING.

2015-06-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * ifcvt.c (noce_try_store_flag_constants): Use std::swap instead of
        manually swapping.
        (noce_try_cmove_arith): Likewise.
        (noce_get_alt_condition): Likewise.

2015-06-12  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * common/config/i386/i386-common.c
        (OPTION_MASK_ISA_MWAITX_SET): New.
        (ix86_handle_option): Handle mwaitx.
        * config.gcc (i[34567]86-*-*): Add mwaitxintrin.h,
        (x86_64-*-*): Likewise.
        * config/i386/mwaitxintrin.h: New header.
        * config/i386/cpuid.h (bit_MWAITX):  Define.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        MWAITX support.
        * config/i386/i386.opt (mwaitx): New.
        * config/i386/i386-builtin-types.def
        (VOID_FTYPE_UNSIGNED_ UNSIGNED_UNSIGNED): New function type.
        * config/i386/i386-c.c: Define __MWAITX__ if needed.
        * config/i386/i386.c (ix86_target_string): Define -mmwaitx option.
        (PTA_MWAITX): New.
        (ix86_option_override_internal): Handle new option.
        (processor_alias_table): Added PTA_MWAITX.
        (ix86_valid_target_attribute_inner_p): Add OPT_mmwaitx.
        (ix86_builtins): Add IX86_BUILTIN_MWAITX, IX86_BUILTIN_MONITORX.
        (ix86_expand_builtin): Handle IX86_BUILTIN_MWAITX and
        IX86_BUILTIN_MONITORX  built-ins.
        * config/i386/i386.h (TARGET_MWAITX): New.
        * config/i386/i386.md (unspecv): Add UNSPEC_MWAITX and
        UNSPEC_MONITORX.
        (mwaitx):  New pattern.
        (monitorx_<mode>): New pattern.
        * config/i386/x86intrin.h: Include mwaitxintrin.h.
        * doc/extend.texi: Document monitorx and mwaitx builtins.
        * doc/invoke.texi: Document -mmwaitx option.

2015-06-12  Uros Bizjak  <ubizjak@gmail.com>

        * emit-rtl.c (need_atomic_barrier_p): Mask model with
        MEMMODEL_BASE_MASK.  Remove MEMMODEL_SYNC_* cases.

2015-06-11  David Edelsohn  <dje.gcc@gmail.com>

        * dbxout.c (xcoff_debug_hooks): Provide a function for
        register_main_translation_unit hook.

2015-06-11  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_pre_atomic_barrier): Remove SYNC
        variants cases from switch.
        (rs6000_post_atomic_barrier): Same.
        (rs6000_expand_atomic_compare_and_swap): Use memmodel_base.
        (rs6000_expand_atomic_exchange): Same.
        (rs6000_expand_atomic_op): Same.
        * config/rs6000/sync.md (mem_thread_fence): Use memodel_base. Remove
        SYNC variants cases from switch.
        (atomic_load): Same.
        (atomic_store): Same.

2015-06-11  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_output_global_address): Handle LABEL_REF plus
        CONST_INT for goto.

2015-06-11  Aldy Hernandez  <aldyh@redhat.com>

        PR bootstrap/66448
        * dwarf2out.c (check_die): Check for common duplicate attributes.
        (add_location_or_const_value_attribute): Do not add duplicate
        attributes.
        (gen_formal_parameter_die): Do not add DW_AT_artificial the second
        time around.
        (gen_struct_or_union_type_die): Bail early if TREE_ASM_WRITTEN.
        (gen_type_die_with_usage): Call check_die.
        (dwarf2out_decl): Only call check_die() when ENABLE_CHECKING.

2015-06-11  Jason Merrill  <jason@redhat.com>

        * dwarf2out.c (prune_unused_types): Handle unused top-level limbo
        dies.

2015-06-11  Marek Polacek  <polacek@redhat.com>

        * match.pd ((x & y) ^ (x | y)): Don't check for single_use.

2015-06-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/66252
        * config/sparc/sparc.c (hard_regno_mode_classes): Add ??? comment.
        * config/sparc/sparc.md (zero_extendsidi2_insn_sp32): Use single order.
        (*addx_extend_sp32): Fix pasto.
        (*subx_extend): Rename into...
        (*subx_extend_sp32): ...this.
        (*adddi3_extend_sp32): Add earlyclobber.
        (*subdi3_insn_sp32): Likewise.
        (*subdi3_extend_sp32): Likewise.
        (*and_not_di_sp32): Likewise.
        (*or_not_di_sp32): Likewise.
        (*xor_not_di_sp32): Likewise.
        (*negdi2_sp32): Likewise.
        (*one_cmpldi2_sp32): Likewise.

2015-06-11  Pierre-Marie de Rodat  <derodat@adacore.com>

        * debug.h (struct gcc_debug_hooks): Add a
        register_main_translation_unit hook.
        * debug.c (do_nothing_debug_hooks): Provide a function for this
        new hook.
        * dbxout.c (dbx_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * dwarf2out.c (main_translation_unit): New global variable.
        (dwarf2out_register_main_translation_unit): New function
        implementing the new hook.
        (dwarf2_debug_hooks): Assign
        dwarf2out_register_main_translation_unit to this new hook.
        (dwarf2out_init): Associate any main translation unit to
        comp_unit_die ().

2015-06-11  Marek Polacek  <polacek@redhat.com>

        * match.pd ((x & y) ^ (x | y) -> x ^ y): New pattern.

2015-06-11  Marek Polacek  <polacek@redhat.com>

        * match.pd: Use single_use throughout.

2015-06-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_option_params_internal): When optimising
        for speed set max_insns_skipped when arm_restrict_it.

2015-06-11  Christian Bruel  <christian.bruel@st.com>

        PR target/52144
        * config/arm/arm-c.c (arm_cpu_cpp_builtins): Conditionally define
         macros in ...
        (arm_cpu_builtins): New function.
        (arm_pragma_target_parse): Call arm_cpu_builtins.
        * config/arm/arm-protos.h (arm_cpu_builtins): Declare.
        (arm_register_target_pragmas): Likewise.
        * config/arm/arm.h (REGISTER_TARGET_PRAGMAS):
         Call arm_register_target_pragmas.
        * config/arm/arm-c.c (arm_register_target_pragmas): New function.
        (arm_pragma_target_parse): Likewise.

2015-06-10  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (tstsi_t): Add '?' modifier to 'r' alternative
        of the second operand.

2015-06-10  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66473
        * config/i386/i386.c (ix86_expand_vector_set): Use gen_int_mode
        to prepare mask operand for AVX512 modes.

2015-06-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/66474
        * doc/md.texi (Machine Constraints): Document that on the PowerPC
        if you use a constraint that targets a VSX register, you must use
        %x<n> in the template.

2015-06-10  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.h (TARGET_DEBUG): New definition.
        * config/xtensa/xtensa.md (define_attr "type"): New type "trap".
        (define_insn "trap"): New definition.

2015-06-10  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Split
        out from ...
        (vect_supported_load_permutation_p): ... here.  Handle
        supportable permutations in reductions.
        * tree-vect-stmts.c (vectorizable_load): Handle SLP permutations
        for vectorizing strided group loads.

2015-06-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/66470
        * config/i386/i386.c (ix86_split_long_move): For collisions
        involving direct tls segment refs, move the UNSPEC_TP possibly
        wrapped in ZERO_EXTEND out of the address for lea, to each of
        the memory loads.

2015-06-10  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/sync.md (*memory_barrier): Use dmb ish instead of
        dmb sy. Adjust tabs.

2015-06-10  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (expand_omp_target): Remove duplicate declaration of node.

2015-06-10  Martin Liska  <mliska@suse.cz>

        PR bootstrap/66471
        * mem-stats-traits.h (enum mem_alloc_origin): Add _ORIGIN suffix for
        all enum values in mem_alloc_origin.
        * alloc-pool.c (dump_alloc_pool_statistics): Use newly changed enum
        name.
        * alloc-pool.h (pool_allocator::pool_allocator): Likewise.
        * bitmap.c (bitmap_register): Likewise.
        (dump_bitmap_statistics): Likewise.
        * ggc-common.c (dump_ggc_loc_statistics): Likewise.
        (ggc_record_overhead): Likewise.
        * hash-map.h: Likewise.
        * hash-set.h: Likewise.
        * hash-table.c (void dump_hash_table_loc_statistics): Likewise.
        * hash-table.h: Likewise.
        * vec.c (vec_prefix::register_overhead): Likewise.
        (vec_prefix::release_overhead): Likewise.
        (dump_vec_loc_statistics): Likewise.

2015-06-09  Christian Bruel  <christian.bruel@st.com>

        PR target/52144
        * config/arm/arm.opt (THUMB, arm_restrict_it, inline_asm_unified): Save.
        * config/arm/arm-protos.h (arm_valid_target_attribute_tree): Declare.
        (arm_reset_previous_fndecl, arm_change_mode_p): Likewise.
        * config/arm/arm.h (SWITCHABLE_TARGET): Define.
        * config/arm/arm.c (arm_reset_previous_fndecl): New functions.
        (arm_valid_target_attribute_tree, arm_change_mode_p): Likewise.
        (arm_valid_target_attribute_p): Likewise.
        (arm_set_current_function, arm_can_inline_p): Likewise.
        (arm_valid_target_attribute_rec): Likewise.
        (arm_previous_fndecl): New variable.
        (TARGET_SET_CURRENT_FUNCTION, TARGET_OPTION_VALID_ATTRIBUTE_P): Define.
        (TARGET_CAN_INLINE_P): Define.
        (arm_asm_trampoline_template): Emit mode.
        (arm_file_start): Don't set unified syntax.
        (arm_declare_function_name): Set unified syntax and mode.
        (arm_option_override): Init target_option_default_node.
        and target_option_current_node.
        * config/arm/arm.md (*call_value_symbol): Set mode when possible.
        (*call_symbol): Likewise.
        * doc/extend.texi: Document ARM/Thumb target attribute.
        * doc/invoke.texi: Likewise.

2015-06-09  Alexandre Oliva  <aoliva@redhat.com>

        Revert:
        2015-06-09  Alexandre Oliva  <aoliva@redhat.com>
        PR rtl-optimization/64164
        * Makefile.in (OBJS): Drop tree-ssa-copyrename.o.
        * tree-ssa-copyrename.c: Removed.
        * opts.c (default_options_table): Drop -ftree-copyrename.  Add
        -ftree-coalesce-vars.
        * passes.def: Drop all occurrences of pass_rename_ssa_copies.
        * common.opt (ftree-copyrename): Ignore.
        (ftree-coalesce-inlined-vars): Likewise.
        * doc/invoke.texi: Remove the ignored options above.
        * gimple-expr.h (gimple_can_coalesce_p): Move declaration
        * tree-ssa-coalesce.h: ... here.
        * tree-ssa-uncprop.c: Include tree-ssa-coalesce.h and other
        headers required by it.
        * gimple-expr.c (gimple_can_coalesce_p): Allow coalescing
        across variables when flag_tree_coalesce_vars.  Check register
        use and promoted modes to allow coalescing.  Moved to
        tree-ssa-coalesce.c.
        * tree-ssa-live.c (struct tree_int_map_hasher): Move along
        with its member functions to tree-ssa-coalesce.c.
        (var_map_base_init): Likewise.  Renamed to
        compute_samebase_partition_bases.
        (partition_view_normal): Drop want_bases parameter.
        (partition_view_bitmap): Likewise.
        * tree-ssa-live.h: Adjust declarations.
        * tree-ssa-coalesce.c: Include explow.h.
        (build_ssa_conflict_graph): Process PARM_ and RESULT_DECLs's
        default defs at the entry point.
        (dump_part_var_map): New.
        (compute_optimized_partition_bases): New, called by...
        (coalesce_ssa_name): ... when flag_tree_coalesce_vars, instead
        of compute_samebase_partition_bases.  Adjust.
        * alias.c (nonoverlapping_memrefs_p): Disregard gimple-regs.
        * cfgexpand.c (leader_merge): New.
        (get_rtl_for_parm_ssa_default_def): New.
        (set_rtl): Merge exprs and attrs, even for MEMs and non-SSA
        vars.  Update DECL_RTL for PARM_DECLs and RESULT_DECLs too.
        (expand_one_stack_var_at): Handle anonymous SSA_NAMEs.  Drop
        redundant MEM attr setting.
        (expand_one_stack_var_1): Handle anonymous SSA_NAMEs.  Renamed
        from...
        (expand_one_stack_var): ... this.  New wrapper to check and
        skip already expanded SSA partitions.
        (record_alignment_for_reg_var): New, factored out of...
        (expand_one_var): ... this.
        (expand_one_ssa_partition): New.
        (adjust_one_expanded_partition_var): New.
        (expand_one_register_var): Check and skip already expanded SSA
        partitions.
        (expand_used_vars): Don't create DECLs for anonymous SSA
        names.  Expand all SSA partitions, then adjust all SSA names.
        (pass::execute): Replace the loops that set
        SA.partition_to_pseudo from partition leaders and cleared
        DECL_RTL for multi-location variables, and that which used to
        rename vars and set attrs, with one that clears DECL_RTL and
        checks that PARMs and RESULTs default_defs match DECL_RTL.
        * cfgexpand.h (get_rtl_for_parm_ssa_default_def): Declare.
        * emit-rtl.c (set_reg_attrs_for_parm): Handle NULL decl.
        * explow.c (promote_ssa_mode): New.
        * explow.h (promote_ssa_mode): Declare.
        * expr.c (expand_expr_real_1): Handle anonymous SSA_NAMEs.
        * function.c: Include cfgexpand.h.
        (use_register_for_decl): Handle SSA_NAMEs, anonymous or not.
        (use_register_for_parm_decl): Wrapper for the above to
        special-case the result_ptr.
        (rtl_for_parm): Ditto for get_rtl_for_parm_ssa_default_def.
        (maybe_reset_rtl_for_parm): Reset DECL_RTL of parms with
        multiple locations.
        (assign_parm_adjust_stack_rtl): Add all and parm arguments,
        for rtl_for_parm.  For SSA-assigned parms, zero stack_parm.
        (assign_parm_setup_block): Prefer SSA-assigned location.
        (assign_parm_setup_reg): Likewise.  Use entry_parm for equiv
        if stack_parm is NULL.
        (assign_parm_setup_stack): Prefer SSA-assigned location.
        (assign_parms): Maybe reset DECL_RTL of params.  Adjust stack
        rtl before testing for pointer bounds.  Special-case result_ptr.
        (expand_function_start): Maybe reset DECL_RTL of result.
        Prefer SSA-assigned location for result and static chain.
        Factor out DECL_RESULT and SET_DECL_RTL.
        * tree-outof-ssa.c (insert_value_copy_on_edge): Handle
        anonymous SSA names.  Use promote_ssa_mode.
        (get_temp_reg): Likewise.
        (remove_ssa_form): Adjust.
        * var-tracking.c (dataflow_set_clear_at_call): Take call_insn
        and get its reg_usage for reg invalidation.
        (compute_bb_dataflow): Pass it insn.
        (emit_notes_in_bb): Likewise.
        * tree-ssa-loop-niter.c (loop_exits_before_overflow): Don't
        fail assert on conversion between unsigned types.

2015-06-09  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65460
        * omp-low.c (expand_omp_target): Set parallelized_function on
        cgraph_node for child_fn.

2015-06-09  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (finalize_task_copyfn, expand_omp_taskreg): Mark function
        parallelized_function before add_new_function.

2015-06-09  Andrew MacLeod  <amacleod@redhat.com>

        * gcc-plugin.h: Move decls to plugin.h and include it.
        * plugin.h: Relocate decls from gcc-plugin.h
        * ggc-page.c: Include required header files.
        * passes.c: Likewise.
        * cgraphunit.c: Likewise.

2015-06-09  Tom de Vries  <tom@codesourcery.com>

        * tree-stdarg.c (expand_ifn_va_arg_1): Handle location.

2015-06-09  Jason Merrill  <jason@redhat.com>

        PR bootstrap/66448
        * toplev.c (check_global_declaration): Don't warn about a clone.

2015-06-09  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/66299
        * match.pd ((CST1 << A) == CST2 -> A == ctz (CST2) - ctz (CST1)
        ((CST1 << A) != CST2 -> A != ctz (CST2) - ctz (CST1)): New
        patterns.

2015-06-09  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_build_slp_tree_1): Remove bailout on gaps.
        (vect_analyze_slp_instance): Instead do not falsely drop
        load permutations.

2015-06-09  Richard Biener  <rguenther@suse.de>

        PR middle-end/66423
        * match.pd: Handle A % (unsigned)(1 << B).

2015-06-09  Aldy Hernandez  <aldyh@redhat.com>

        * varasm.c (output_object_block_htab): Remove.
        (output_object_block_compare): New.
        (output_object_blocks): Sort named object_blocks before outputting
        them.

2015-06-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66419
        * tree-vect-slp.c (vect_supported_load_permutation_p): Properly
        consider GROUP_GAP when detecting a perfect subchain.

2015-06-09  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_select_section): When -mes0 is active
        place read only data in the .frodata section.

2015-06-09  Shiva Chen  <shiva0217@gmail.com>

        * sync.md (atomic_load<mode>): Add conditional code for lda/ldr
        (atomic_store<mode>): Likewise.

2015-06-09  Richard Biener  <rguenther@suse.de>

        * cfgloop.c (get_loop_body_in_bfs_order): Fix assert.

2015-06-09  Richard Biener  <rguenther@suse.de>

        PR middle-end/66413
        * tree-inline.c (insert_init_debug_bind): Unshare value.

2015-06-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66396
        * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl):
        Rename virtual operands.

2015-06-09  Tom de Vries  <tom@codesourcery.com>

        * gimple-iterator.h (gimple_seq_nondebug_singleton_p): Don't
        always return false.

2015-06-09  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/64164
        * Makefile.in (OBJS): Drop tree-ssa-copyrename.o.
        * tree-ssa-copyrename.c: Removed.
        * opts.c (default_options_table): Drop -ftree-copyrename.  Add
        -ftree-coalesce-vars.
        * passes.def: Drop all occurrences of pass_rename_ssa_copies.
        * common.opt (ftree-copyrename): Ignore.
        (ftree-coalesce-inlined-vars): Likewise.
        * doc/invoke.texi: Remove the ignored options above.
        * gimple-expr.h (gimple_can_coalesce_p): Move declaration
        * tree-ssa-coalesce.h: ... here.
        * tree-ssa-uncprop.c: Include tree-ssa-coalesce.h and other
        headers required by it.
        * gimple-expr.c (gimple_can_coalesce_p): Allow coalescing
        across variables when flag_tree_coalesce_vars.  Check register
        use and promoted modes to allow coalescing.  Moved to
        tree-ssa-coalesce.c.
        * tree-ssa-live.c (struct tree_int_map_hasher): Move along
        with its member functions to tree-ssa-coalesce.c.
        (var_map_base_init): Likewise.  Renamed to
        compute_samebase_partition_bases.
        (partition_view_normal): Drop want_bases parameter.
        (partition_view_bitmap): Likewise.
        * tree-ssa-live.h: Adjust declarations.
        * tree-ssa-coalesce.c: Include explow.h.
        (build_ssa_conflict_graph): Process PARM_ and RESULT_DECLs's
        default defs at the entry point.
        (dump_part_var_map): New.
        (compute_optimized_partition_bases): New, called by...
        (coalesce_ssa_name): ... when flag_tree_coalesce_vars, instead
        of compute_samebase_partition_bases.  Adjust.
        * alias.c (nonoverlapping_memrefs_p): Disregard gimple-regs.
        * cfgexpand.c (leader_merge): New.
        (get_rtl_for_parm_ssa_default_def): New.
        (set_rtl): Merge exprs and attrs, even for MEMs and non-SSA
        vars.  Update DECL_RTL for PARM_DECLs and RESULT_DECLs too.
        (expand_one_stack_var_at): Handle anonymous SSA_NAMEs.  Drop
        redundant MEM attr setting.
        (expand_one_stack_var_1): Handle anonymous SSA_NAMEs.  Renamed
        from...
        (expand_one_stack_var): ... this.  New wrapper to check and
        skip already expanded SSA partitions.
        (record_alignment_for_reg_var): New, factored out of...
        (expand_one_var): ... this.
        (expand_one_ssa_partition): New.
        (adjust_one_expanded_partition_var): New.
        (expand_one_register_var): Check and skip already expanded SSA
        partitions.
        (expand_used_vars): Don't create DECLs for anonymous SSA
        names.  Expand all SSA partitions, then adjust all SSA names.
        (pass::execute): Replace the loops that set
        SA.partition_to_pseudo from partition leaders and cleared
        DECL_RTL for multi-location variables, and that which used to
        rename vars and set attrs, with one that clears DECL_RTL and
        checks that PARMs and RESULTs default_defs match DECL_RTL.
        * cfgexpand.h (get_rtl_for_parm_ssa_default_def): Declare.
        * emit-rtl.c (set_reg_attrs_for_parm): Handle NULL decl.
        * explow.c (promote_ssa_mode): New.
        * explow.h (promote_ssa_mode): Declare.
        * expr.c (expand_expr_real_1): Handle anonymous SSA_NAMEs.
        * function.c: Include cfgexpand.h.
        (use_register_for_decl): Handle SSA_NAMEs, anonymous or not.
        (use_register_for_parm_decl): Wrapper for the above to
        special-case the result_ptr.
        (rtl_for_parm): Ditto for get_rtl_for_parm_ssa_default_def.
        (maybe_reset_rtl_for_parm): Reset DECL_RTL of parms with
        multiple locations.
        (assign_parm_adjust_stack_rtl): Add all and parm arguments,
        for rtl_for_parm.  For SSA-assigned parms, zero stack_parm.
        (assign_parm_setup_block): Prefer SSA-assigned location.
        (assign_parm_setup_reg): Likewise.  Use entry_parm for equiv
        if stack_parm is NULL.
        (assign_parm_setup_stack): Prefer SSA-assigned location.
        (assign_parms): Maybe reset DECL_RTL of params.  Adjust stack
        rtl before testing for pointer bounds.  Special-case result_ptr.
        (expand_function_start): Maybe reset DECL_RTL of result.
        Prefer SSA-assigned location for result and static chain.
        Factor out DECL_RESULT and SET_DECL_RTL.
        * tree-outof-ssa.c (insert_value_copy_on_edge): Handle
        anonymous SSA names.  Use promote_ssa_mode.
        (get_temp_reg): Likewise.
        (remove_ssa_form): Adjust.
        * var-tracking.c (dataflow_set_clear_at_call): Take call_insn
        and get its reg_usage for reg invalidation.
        (compute_bb_dataflow): Pass it insn.
        (emit_notes_in_bb): Likewise.
        * tree-ssa-loop-niter.c (loop_exits_before_overflow): Don't
        fail assert on conversion between unsigned types.

2015-06-09  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/58315
        * tree-inline.c (reset_debug_binding): New.
        (reset_debug_bindings): Likewise.
        (expand_call_inline): Call it.

2015-06-08  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (gimple_canonical_types_compatible_p): Drop comparsion of
        TYPE_STRING_FLAG.

2015-06-08  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (lto_output_location): Stream
        reserved locations correctly.
        * lto-streamer-in.c (lto_output_location): Likewise.

2015-06-08  Andrew MacLeod  <amacleod@redhat.com>

        * coretypes.h: Include hash-table.h and hash-set.h for host files.
        * ggc.h: Don't include statistics.h>
        * hash-map.h: Remove all includes.
        * hash-set.h: Likewise.
        * hash-table.h: Add statistics.h, inchash.h and hash-map-traits.h to
        the include list. Remove <new>.
        * inchash.h: Remove all includes.
        * mem-stats.h: Likewise.
        * vec.h: No special processing for generators or ggc.
        * alias.c : Adjust include files.
        * alloc-pool.c : Likewise.
        * alloc-pool.h : Likewise.
        * asan.c : Likewise.
        * attribs.c : Likewise.
        * auto-inc-dec.c : Likewise.
        * auto-profile.c : Likewise.
        * bb-reorder.c : Likewise.
        * bitmap.c : Likewise.
        * bitmap.h : Likewise.
        * bt-load.c : Likewise.
        * builtins.c : Likewise.
        * caller-save.c : Likewise.
        * calls.c : Likewise.
        * ccmp.c : Likewise.
        * cfg.c : Likewise.
        * cfganal.c : Likewise.
        * cfgbuild.c : Likewise.
        * cfgcleanup.c : Likewise.
        * cfgexpand.c : Likewise.
        * cfghooks.c : Likewise.
        * cfgloop.c : Likewise.
        * cfgloop.h : Likewise.
        * cfgloopanal.c : Likewise.
        * cfgloopmanip.c : Likewise.
        * cfgrtl.c : Likewise.
        * cgraph.c : Likewise.
        * cgraphbuild.c : Likewise.
        * cgraphclones.c : Likewise.
        * cgraphunit.c : Likewise.
        * cilk-common.c : Likewise.
        * combine-stack-adj.c : Likewise.
        * combine.c : Likewise.
        * compare-elim.c : Likewise.
        * context.c : Likewise.
        * convert.c : Likewise.
        * coverage.c : Likewise.
        * cppbuiltin.c : Likewise.
        * cprop.c : Likewise.
        * cse.c : Likewise.
        * cselib.c : Likewise.
        * data-streamer-in.c : Likewise.
        * data-streamer-out.c : Likewise.
        * data-streamer.c : Likewise.
        * data-streamer.h : Likewise.
        * dbxout.c : Likewise.
        * dce.c : Likewise.
        * ddg.c : Likewise.
        * debug.c : Likewise.
        * df-core.c : Likewise.
        * df-problems.c : Likewise.
        * df-scan.c : Likewise.
        * df.h : Likewise.
        * dfp.c : Likewise.
        * dojump.c : Likewise.
        * dominance.c : Likewise.
        * domwalk.c : Likewise.
        * double-int.c : Likewise.
        * dse.c : Likewise.
        * dumpfile.c : Likewise.
        * dwarf2asm.c : Likewise.
        * dwarf2cfi.c : Likewise.
        * dwarf2out.c : Likewise.
        * emit-rtl.c : Likewise.
        * et-forest.c : Likewise.
        * except.c : Likewise.
        * except.h : Likewise.
        * explow.c : Likewise.
        * expmed.c : Likewise.
        * expr.c : Likewise.
        * final.c : Likewise.
        * fixed-value.c : Likewise.
        * fold-const.c : Likewise.
        * function.c : Likewise.
        * fwprop.c : Likewise.
        * gcc-plugin.h : Likewise.
        * gcc.c : Likewise.
        * gcse-common.c : Likewise.
        * gcse.c : Likewise.
        * genattrtab.c : Likewise.
        * genautomata.c : Likewise.
        * genconditions.c : Likewise.
        * genemit.c : Likewise.
        * generic-match-head.c : Likewise.
        * genextract.c : Likewise.
        * gengtype-state.c : Likewise.
        * gengtype.c : Likewise.
        * genhooks.c : Likewise.
        * genmatch.c : Likewise.
        * genmodes.c : Likewise.
        * genrecog.c : Likewise.
        * gensupport.c : Likewise.
        * ggc-common.c : Likewise.
        * ggc-internal.h : Likewise.
        * ggc-none.c : Likewise.
        * ggc-page.c : Likewise.
        * gimple-builder.c : Likewise.
        * gimple-expr.c : Likewise.
        * gimple-fold.c : Likewise.
        * gimple-iterator.c : Likewise.
        * gimple-low.c : Likewise.
        * gimple-match-head.c : Likewise.
        * gimple-pretty-print.c : Likewise.
        * gimple-ssa-isolate-paths.c : Likewise.
        * gimple-ssa-strength-reduction.c : Likewise.
        * gimple-ssa.h : Likewise.
        * gimple-streamer-in.c : Likewise.
        * gimple-streamer-out.c : Likewise.
        * gimple-streamer.h : Likewise.
        * gimple-walk.c : Likewise.
        * gimple.c : Likewise.
        * gimplify-me.c : Likewise.
        * gimplify.c : Likewise.
        * godump.c : Likewise.
        * graph.c : Likewise.
        * graphds.c : Likewise.
        * graphite-blocking.c : Likewise.
        * graphite-dependences.c : Likewise.
        * graphite-interchange.c : Likewise.
        * graphite-isl-ast-to-gimple.c : Likewise.
        * graphite-optimize-isl.c : Likewise.
        * graphite-poly.c : Likewise.
        * graphite-scop-detection.c : Likewise.
        * graphite-sese-to-poly.c : Likewise.
        * graphite.c : Likewise.
        * haifa-sched.c : Likewise.
        * hard-reg-set.h : Likewise.
        * hw-doloop.c : Likewise.
        * ifcvt.c : Likewise.
        * inchash.c : Likewise.
        * incpath.c : Likewise.
        * init-regs.c : Likewise.
        * input.c : Likewise.
        * internal-fn.c : Likewise.
        * ipa-chkp.c : Likewise.
        * ipa-comdats.c : Likewise.
        * ipa-cp.c : Likewise.
        * ipa-devirt.c : Likewise.
        * ipa-icf-gimple.c : Likewise.
        * ipa-icf.c : Likewise.
        * ipa-inline-analysis.c : Likewise.
        * ipa-inline-transform.c : Likewise.
        * ipa-inline.c : Likewise.
        * ipa-polymorphic-call.c : Likewise.
        * ipa-profile.c : Likewise.
        * ipa-prop.c : Likewise.
        * ipa-pure-const.c : Likewise.
        * ipa-ref.c : Likewise.
        * ipa-reference.c : Likewise.
        * ipa-split.c : Likewise.
        * ipa-utils.c : Likewise.
        * ipa-visibility.c : Likewise.
        * ipa.c : Likewise.
        * ira-build.c : Likewise.
        * ira-color.c : Likewise.
        * ira-conflicts.c : Likewise.
        * ira-costs.c : Likewise.
        * ira-emit.c : Likewise.
        * ira-lives.c : Likewise.
        * ira.c : Likewise.
        * jump.c : Likewise.
        * langhooks.c : Likewise.
        * lcm.c : Likewise.
        * libfuncs.h : Likewise.
        * lists.c : Likewise.
        * loop-doloop.c : Likewise.
        * loop-init.c : Likewise.
        * loop-invariant.c : Likewise.
        * loop-iv.c : Likewise.
        * loop-unroll.c : Likewise.
        * lower-subreg.c : Likewise.
        * lra-assigns.c : Likewise.
        * lra-coalesce.c : Likewise.
        * lra-constraints.c : Likewise.
        * lra-eliminations.c : Likewise.
        * lra-lives.c : Likewise.
        * lra-remat.c : Likewise.
        * lra-spills.c : Likewise.
        * lra.c : Likewise.
        * lto-cgraph.c : Likewise.
        * lto-compress.c : Likewise.
        * lto-opts.c : Likewise.
        * lto-section-in.c : Likewise.
        * lto-section-out.c : Likewise.
        * lto-streamer-in.c : Likewise.
        * lto-streamer-out.c : Likewise.
        * lto-streamer.c : Likewise.
        * lto-streamer.h : Likewise.
        * mcf.c : Likewise.
        * mode-switching.c : Likewise.
        * modulo-sched.c : Likewise.
        * omega.c : Likewise.
        * omp-low.c : Likewise.
        * optabs.c : Likewise.
        * opts-global.c : Likewise.
        * opts.h : Likewise.
        * passes.c : Likewise.
        * plugin.c : Likewise.
        * postreload-gcse.c : Likewise.
        * postreload.c : Likewise.
        * predict.c : Likewise.
        * print-rtl.c : Likewise.
        * print-tree.c : Likewise.
        * profile.c : Likewise.
        * read-md.c : Likewise.
        * read-md.h : Likewise.
        * read-rtl.c : Likewise.
        * real.c : Likewise.
        * realmpfr.c : Likewise.
        * recog.c : Likewise.
        * ree.c : Likewise.
        * reg-stack.c : Likewise.
        * regcprop.c : Likewise.
        * reginfo.c : Likewise.
        * regrename.c : Likewise.
        * regstat.c : Likewise.
        * reload.c : Likewise.
        * reload1.c : Likewise.
        * reorg.c : Likewise.
        * resource.c : Likewise.
        * rtl-chkp.c : Likewise.
        * rtl.c : Likewise.
        * rtl.h : Likewise.
        * rtlanal.c : Likewise.
        * rtlhash.c : Likewise.
        * rtlhash.h : Likewise.
        * rtlhooks.c : Likewise.
        * sanopt.c : Likewise.
        * sched-deps.c : Likewise.
        * sched-ebb.c : Likewise.
        * sched-rgn.c : Likewise.
        * sched-vis.c : Likewise.
        * sdbout.c : Likewise.
        * sel-sched-dump.c : Likewise.
        * sel-sched-ir.c : Likewise.
        * sel-sched-ir.h : Likewise.
        * sel-sched.c : Likewise.
        * sese.c : Likewise.
        * shrink-wrap.c : Likewise.
        * shrink-wrap.h : Likewise.
        * simplify-rtx.c : Likewise.
        * stack-ptr-mod.c : Likewise.
        * statistics.c : Likewise.
        * stmt.c : Likewise.
        * stor-layout.c : Likewise.
        * store-motion.c : Likewise.
        * stringpool.c : Likewise.
        * symtab.c : Likewise.
        * target-globals.c : Likewise.
        * targhooks.c : Likewise.
        * tlink.c : Likewise.
        * toplev.c : Likewise.
        * tracer.c : Likewise.
        * trans-mem.c : Likewise.
        * tree-affine.c : Likewise.
        * tree-affine.h : Likewise.
        * tree-browser.c : Likewise.
        * tree-call-cdce.c : Likewise.
        * tree-cfg.c : Likewise.
        * tree-cfgcleanup.c : Likewise.
        * tree-chkp-opt.c : Likewise.
        * tree-chkp.c : Likewise.
        * tree-chrec.c : Likewise.
        * tree-complex.c : Likewise.
        * tree-data-ref.c : Likewise.
        * tree-dfa.c : Likewise.
        * tree-diagnostic.c : Likewise.
        * tree-dump.c : Likewise.
        * tree-eh.c : Likewise.
        * tree-eh.h : Likewise.
        * tree-emutls.c : Likewise.
        * tree-hasher.h : Likewise.
        * tree-if-conv.c : Likewise.
        * tree-inline.c : Likewise.
        * tree-inline.h : Likewise.
        * tree-into-ssa.c : Likewise.
        * tree-iterator.c : Likewise.
        * tree-loop-distribution.c : Likewise.
        * tree-nested.c : Likewise.
        * tree-nrv.c : Likewise.
        * tree-object-size.c : Likewise.
        * tree-outof-ssa.c : Likewise.
        * tree-parloops.c : Likewise.
        * tree-phinodes.c : Likewise.
        * tree-predcom.c : Likewise.
        * tree-pretty-print.c : Likewise.
        * tree-profile.c : Likewise.
        * tree-scalar-evolution.c : Likewise.
        * tree-sra.c : Likewise.
        * tree-ssa-address.c : Likewise.
        * tree-ssa-alias.c : Likewise.
        * tree-ssa-ccp.c : Likewise.
        * tree-ssa-coalesce.c : Likewise.
        * tree-ssa-copy.c : Likewise.
        * tree-ssa-copyrename.c : Likewise.
        * tree-ssa-dce.c : Likewise.
        * tree-ssa-dom.c : Likewise.
        * tree-ssa-dse.c : Likewise.
        * tree-ssa-forwprop.c : Likewise.
        * tree-ssa-ifcombine.c : Likewise.
        * tree-ssa-live.c : Likewise.
        * tree-ssa-loop-ch.c : Likewise.
        * tree-ssa-loop-im.c : Likewise.
        * tree-ssa-loop-ivcanon.c : Likewise.
        * tree-ssa-loop-ivopts.c : Likewise.
        * tree-ssa-loop-manip.c : Likewise.
        * tree-ssa-loop-niter.c : Likewise.
        * tree-ssa-loop-prefetch.c : Likewise.
        * tree-ssa-loop-unswitch.c : Likewise.
        * tree-ssa-loop.c : Likewise.
        * tree-ssa-math-opts.c : Likewise.
        * tree-ssa-operands.c : Likewise.
        * tree-ssa-phiopt.c : Likewise.
        * tree-ssa-phiprop.c : Likewise.
        * tree-ssa-pre.c : Likewise.
        * tree-ssa-propagate.c : Likewise.
        * tree-ssa-reassoc.c : Likewise.
        * tree-ssa-sccvn.c : Likewise.
        * tree-ssa-scopedtables.c : Likewise.
        * tree-ssa-sink.c : Likewise.
        * tree-ssa-strlen.c : Likewise.
        * tree-ssa-structalias.c : Likewise.
        * tree-ssa-tail-merge.c : Likewise.
        * tree-ssa-ter.c : Likewise.
        * tree-ssa-threadedge.c : Likewise.
        * tree-ssa-threadupdate.c : Likewise.
        * tree-ssa-uncprop.c : Likewise.
        * tree-ssa-uninit.c : Likewise.
        * tree-ssa.c : Likewise.
        * tree-ssanames.c : Likewise.
        * tree-stdarg.c : Likewise.
        * tree-streamer-in.c : Likewise.
        * tree-streamer-out.c : Likewise.
        * tree-streamer.c : Likewise.
        * tree-streamer.h : Likewise.
        * tree-switch-conversion.c : Likewise.
        * tree-tailcall.c : Likewise.
        * tree-vect-data-refs.c : Likewise.
        * tree-vect-generic.c : Likewise.
        * tree-vect-loop-manip.c : Likewise.
        * tree-vect-loop.c : Likewise.
        * tree-vect-patterns.c : Likewise.
        * tree-vect-slp.c : Likewise.
        * tree-vect-stmts.c : Likewise.
        * tree-vectorizer.c : Likewise.
        * tree-vectorizer.h : Likewise.
        * tree-vrp.c : Likewise.
        * tree.c : Likewise.
        * tsan.c : Likewise.
        * ubsan.c : Likewise.
        * valtrack.c : Likewise.
        * valtrack.h : Likewise.
        * value-prof.c : Likewise.
        * var-tracking.c : Likewise.
        * varasm.c : Likewise.
        * varpool.c : Likewise.
        * vec.c: Likewise.
        * vmsdbgout.c : Likewise.
        * vtable-verify.c : Likewise.
        * vtable-verify.h : Likewise.
        * web.c : Likewise.
        * wide-int.cc : Likewise.
        * xcoffout.c : Likewise.
        * config/aarch64/aarch64-builtins.c : Likewise.
        * config/aarch64/aarch64.c : Likewise.
        * config/aarch64/cortex-a57-fma-steering.c : Likewise.
        * config/alpha/alpha.c : Likewise.
        * config/arc/arc.c : Likewise.
        * config/arm/aarch-common.c : Likewise.
        * config/arm/arm-builtins.c : Likewise.
        * config/arm/arm-c.c : Likewise.
        * config/arm/arm.c : Likewise.
        * config/avr/avr-c.c : Likewise.
        * config/avr/avr-log.c : Likewise.
        * config/avr/avr.c : Likewise.
        * config/bfin/bfin.c : Likewise.
        * config/c6x/c6x.c : Likewise.
        * config/cr16/cr16.c : Likewise.
        * config/cris/cris.c : Likewise.
        * config/darwin-c.c : Likewise.
        * config/darwin.c : Likewise.
        * config/default-c.c : Likewise.
        * config/epiphany/epiphany.c : Likewise.
        * config/epiphany/mode-switch-use.c : Likewise.
        * config/epiphany/resolve-sw-modes.c : Likewise.
        * config/fr30/fr30.c : Likewise.
        * config/frv/frv.c : Likewise.
        * config/ft32/ft32.c : Likewise.
        * config/glibc-c.c : Likewise.
        * config/h8300/h8300.c : Likewise.
        * config/i386/i386-c.c : Likewise.
        * config/i386/i386.c : Likewise.
        * config/i386/msformat-c.c : Likewise.
        * config/i386/winnt-cxx.c : Likewise.
        * config/i386/winnt-stubs.c : Likewise.
        * config/i386/winnt.c : Likewise.
        * config/ia64/ia64-c.c : Likewise.
        * config/ia64/ia64.c : Likewise.
        * config/iq2000/iq2000.c : Likewise.
        * config/lm32/lm32.c : Likewise.
        * config/m32c/m32c-pragma.c : Likewise.
        * config/m32c/m32c.c : Likewise.
        * config/m32r/m32r.c : Likewise.
        * config/m68k/m68k.c : Likewise.
        * config/mcore/mcore.c : Likewise.
        * config/mep/mep-pragma.c : Likewise.
        * config/mep/mep.c : Likewise.
        * config/microblaze/microblaze-c.c : Likewise.
        * config/microblaze/microblaze.c : Likewise.
        * config/mips/mips.c : Likewise.
        * config/mmix/mmix.c : Likewise.
        * config/mn10300/mn10300.c : Likewise.
        * config/moxie/moxie.c : Likewise.
        * config/msp430/msp430-c.c : Likewise.
        * config/msp430/msp430.c : Likewise.
        * config/nds32/nds32-cost.c : Likewise.
        * config/nds32/nds32-fp-as-gp.c : Likewise.
        * config/nds32/nds32-intrinsic.c : Likewise.
        * config/nds32/nds32-isr.c : Likewise.
        * config/nds32/nds32-md-auxiliary.c : Likewise.
        * config/nds32/nds32-memory-manipulation.c : Likewise.
        * config/nds32/nds32-pipelines-auxiliary.c : Likewise.
        * config/nds32/nds32-predicates.c : Likewise.
        * config/nds32/nds32.c : Likewise.
        * config/nios2/nios2.c : Likewise.
        * config/nvptx/nvptx.c : Likewise.
        * config/pa/pa.c : Likewise.
        * config/pdp11/pdp11.c : Likewise.
        * config/rl78/rl78-c.c : Likewise.
        * config/rl78/rl78.c : Likewise.
        * config/rs6000/rs6000-c.c : Likewise.
        * config/rs6000/rs6000.c : Likewise.
        * config/rx/rx.c : Likewise.
        * config/s390/s390-c.c : Likewise.
        * config/s390/s390.c : Likewise.
        * config/sh/sh-c.c : Likewise.
        * config/sh/sh-mem.cc : Likewise.
        * config/sh/sh.c : Likewise.
        * config/sh/sh_optimize_sett_clrt.cc : Likewise.
        * config/sh/sh_treg_combine.cc : Likewise.
        * config/sol2-c.c : Likewise.
        * config/sol2-cxx.c : Likewise.
        * config/sol2-stubs.c : Likewise.
        * config/sol2.c : Likewise.
        * config/sparc/sparc-c.c : Likewise.
        * config/sparc/sparc.c : Likewise.
        * config/spu/spu-c.c : Likewise.
        * config/spu/spu.c : Likewise.
        * config/stormy16/stormy16.c : Likewise.
        * config/tilegx/mul-tables.c : Likewise.
        * config/tilegx/tilegx-c.c : Likewise.
        * config/tilegx/tilegx.c : Likewise.
        * config/tilepro/mul-tables.c : Likewise.
        * config/tilepro/tilepro-c.c : Likewise.
        * config/tilepro/tilepro.c : Likewise.
        * config/v850/v850-c.c : Likewise.
        * config/v850/v850.c : Likewise.
        * config/vax/vax.c : Likewise.
        * config/visium/visium.c : Likewise.
        * config/vms/vms-c.c : Likewise.
        * config/vms/vms.c : Likewise.
        * config/vxworks.c : Likewise.
        * config/winnt-c.c : Likewise.
        * config/xtensa/xtensa.c : Likewise.

2015-06-08  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/65378
        * ipa-utils.h (warn_types_mismatch): Update prototype.
        * ipa-devirt.c (odr_types_equivalent_p): Add loc1/loc2
        parameters.
        (type_mismatch_p): New function.
        (warn_types_mismatch): Reorg to work better on non-C++ types.
        (odr_types_equivalent_p): Add loc1/loc2 parameters.
        (add_type_duplicate): Update.

2015-06-08  Tom de Vries  <tom@codesourcery.com>

        PR rtl-optimization/66444
        * postreload.c (reload_combine): Use get_call_reg_set_usage instead of
        call_used_regs.

2015-06-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66422
        * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Split
        block after inserted gcc_unreachable.

2015-06-08  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_function_value): Do not promote vector types.
        (rx_promote_function_mode): Likewise.
        * config/rx/rx.h (LIBCALL_VALUE): Likewise.

2015-06-08  Jakub Jelinek  <jakub@redhat.com>

        * genattrtab.c (insn_alternatives): Change type from int *
        to uint64_t *.
        (check_attr_test): Shift ((uint64_t) 1) instead of 1 up.
        (get_attr_value): Change type of num_alt to uint64_t.
        (compute_alternative_mask): Change return type from
        int to uint64_t, shift ((uint64_t) 1) instead of 1 up.
        (make_alternative_compare, mk_attr_alt): Change argument type
        from int to uint64_t.
        (simplify_test_exp): Change type of i from int to uint64_t.
        Shift ((uint64_t) 1) instead of 1 up.
        (main): Adjust oballocvec first argument from int to uint64_t.
        Shift ((uint64_t) 1) instead of 1 up.

2015-06-08  Jan Kratochvil  <jan.kratochvil@redhat.com>

        PR other/65366
        * gdbhooks.py: Import sys.
        (intptr): New function.  Replace int(...) by intptr(...).

2015-06-08  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): Compute the pointer
        adjustment for gaps at the end of a SLP load group properly.
        * tree-vect-slp.c (vect_supported_load_permutation_p): Allow
        all permutations we can generate.
        (vect_transform_slp_perm_load): Use the correct group-size.

2015-06-08  Marc Glisse  <marc.glisse@inria.fr>

        * genmatch.c (expr::gen_transform): For conditions, guess the type
        from the second operand.

2015-06-08  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/66442
        * gimple-iterator.h (gimple_seq_nondebug_singleton_p): Add function.
        * tree-parloops.c (try_transform_to_exit_first_loop_alt): Return false
        if the loop latch is not a singleton.  Use
        gimple_seq_nondebug_singleton_p instead of gimple_seq_singleton_p.

2015-06-08  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/66452
        * toplev.c (check_global_declaration): Don't warn about artificial
        decls.

2015-06-08  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/66436
        * cgraphunit.c (cgraph_node::analyze): Don't dump function to gimple
        dump file.
        * gimplify.c: Add tree-dump.h include.
        (gimplify_function_tree): Dump function to gimple dump file.
        * stor-layout.c (finalize_size_functions): Don't dump function to gimple
        dump file.

2015-06-08  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/66435
        * cgraphunit.c (cgraph_node::add_new_function): Dump message on new
        function.

2015-06-06  Jan Hubicka  <hubicka@ucw.cz>

        * alias.c (get_alias_set): Be ready for TYPE_CANONICAL
        of ptr_type_node to not be ptr_to_node.
        * tree.c (gimple_types_compatible_p): Do not match TREE_CODE of
        TREE_TYPE of pointers.
        * gimple-expr.c (useless_type_conversion): Reorder the check for
        function pointers and TYPE_CANONICAL.

2015-06-06  John David Anglin  <danglin@gcc.gnu.org>

        PR bootstrap/66319
        * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Rearrange builtin
        defines.  Define _LARGEFILE_SOURCE and _LARGEFILE64_SOURCE for c++.
        Define _XOPEN_UNIX and _XOPEN_SOURCE_EXTENDED for c++ if unix95 or
        later.
        * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Likewise.
        Define _INCLUDE_STDC_SOURCE_PRE_199901, _INCLUDE_STDC_SOURCE_199901,
        _INCLUDE_XOPEN_SOURCE_PRE_500, _INCLUDE_XOPEN_SOURCE_520,
        _INCLUDE_XOPEN_SOURCE_PRE_600 and _INCLUDE_XOPEN_SOURCE_600 for c++
        and non iso if unix2003.

2015-06-06  Aldy Hernandez  <aldyh@redhat.com>

        * dwarf2out.c (gen_lexical_block_die): Initialize stmt_die.

2015-06-06  Richard Sandiford  <richard.sandiford@arm.com>

        * emit-rtl.c, expr.c, gcse.c, optabs.c, optabs.h, print-rtl.c,
        rtl.h, bb-reorder.c, builtins.c, calls.c, cfgbuild.c, cfgexpand.c,
        cfgrtl.c, cilk-common.c, config/i386/i386.md, cse.c, dwarf2cfi.c,
        except.c, final.c, function.c, gcse-common.c, genemit.c,
        haifa-sched.c, ifcvt.c, jump.c, loop-invariant.c, loop-iv.c,
        lra-constraints.c, lra.c, reload1.c, resource.c, rtlanal.c,
        sched-deps.c, sched-ebb.c, sel-sched-ir.c, sel-sched.c,
        shrink-wrap.c, stmt.c, store-motion.c: Replace rtx base types with
        more derived ones.

2015-06-06  Mikhail Maltsev  <maltsevm@gmail.com>

        * combine.c (combine_split_insns): Remove cast.
        * config/bfin/bfin.c (hwloop_fail): Add cast in try_split call.
        * config/sh/sh.c (sh_try_split_insn_simple): Remove cast.
        * config/sh/sh_treg_combine.cc (sh_treg_combine::execute): Add cast.
        * emit-rtl.c (try_split): Promote type of trial argument to rtx_insn.
        * genemit.c (gen_split): Change return type of generated functions to
        rtx_insn.
        * genrecog.c (get_failure_return): Use NULL instead of NULL_RTX.
        (print_subroutine_start): Promote rtx to rtx_insn in gen_split_* and
        gen_peephole2_* functions.
        (print_subroutine, main): Likewise.
        * recog.c (peephole2_optimize): Remove cast.
        (peep2_next_insn): Promote return type to rtx_insn.
        * recog.h (peep2_next_insn): Fix prototype.
        * rtl.h (try_split, split_insns): Likewise.

2015-06-06  DJ Delorie  <dj@redhat.com>

        * config/msp430/msp430.c (msp430_asm_integer): Support addition
        and subtraction too.

2015-06-05  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/66410
        * config/sh/constraints.md (Sid, Ssd): New memory constraints.
        * config/sh/sh.md (*mov<mode>): Use Sid and Ssd alternatives
        instead of Snd.  Disparage Sid/z alternative with '^'.

2015-06-05  Aldy Hernandez  <aldyh@redhat.com>

        * dwarf2out.c: Remove deferred_locations*.
        (dwarf2_debug_hooks): Add early_finish hook.
        Remove global_decl hook.
        Add early_global_decl and late_global_decl hook.
        New global early_dwarf.
        New structure set_early_dwarf.
        (output_die): Indicate whether a DIE was generated early
        when generating assembly with -dA.
        (struct limbo_die_struct): Document created_for field.
        Remove file_table_last_lookup.
        (remove_AT): Return TRUE if successful.
        (remove_child_TAG): Clear die_parent.
        (reparent_child): New function abstracted from...
        (splice_child_die): ...here.
        (new_die): ICE if a DIE ends up in limbo too late.
        (check_die): New.
        (defer_location): Remove.
        (add_subscript_info): Reuse DW_TAG_subrange_type if available.
        (fill_variable_array_bounds): New.
        (decl_start_label): Call fill_variable_array_bounds.
        (gen_formal_parameter_die): Rewrite to reuse previously generated
        DIEs.
        (gen_subprogram_die): Same.
        (gen_variable_die): Same.
        (gen_const_die): Same.
        (gen_label_die): Same.
        (gen_lexical_block_die): Same.
        (decl_will_get_specification_p): New.
        (local_function_static): New.
        (gen_struct_or_union_type_die): Fill in variable-length fields.
        (gen_typedef_die): Fill in variable-length typedefs.
        (gen_tagged_type_die): Gracefully return on error_mark_node.
        Handle re-entrancy.
        (gen_type_die_with_usage): Handle variable-length types.
        Remove duplicate code for ARRAY_TYPE case.
        (process_scope_var): Only process imported modules during early
        dwarf.
        (dwarf2out_early_global_decl): New.
        (dwarf2out_late_global_decl): Rename from dwarf2out_global_decl.
        (dwarf2out_type_decl): Set early_dwarf while calling
        dwarf2out_decl.
        (dwarf2out_decl): Verify that we did not recreate a previously
        generated DIE.
        Do not return on DECL_EXTERNALs in VAR_DECLs.
        Abstract some code to local_function_static.
        (lookup_filename): Remove use of file_table_last_lookup.
        Gracefully exit on missing file_name.
        (dwarf2out_finish): Verify limbo list.
        Remove deferred_locations_list use.
        Move deferred_asm_name and limbo flushing to...
        (dwarf2out_early_finish): ...here.  New.
        (dwarf2out_c_finalize): Remove set of deferred_location_list,
        deferred_asm_name, and file_table_last_lookup.
        * cgraph.h (referred_to_p): Add default argument.
        * cgraphunit.c (referred_to_p): Add and handle include_self
        argument.
        (analyze_functions): Add first_time argument.
        Call check_global_declaration for all symbols.
        Call late_global_decl for nodes for moribund nodes.
        (finalize_compilation_unit): Add new argument to
        analyze_functions.
        Call early_global_decl for functions.
        Call early_finish debug hook.
        * dbxout.c (dbxout_early_global_decl): New.
        (dbxout_late_global_decl): New.  Adapted from dbxout_global_decl.
        (dbx_debug_hooks): Add new hooks.
        (xcoff_debug_hooks): Same.
        * debug.c (do_nothing_debug_hooks): Add early_finish field.
        Add early and late debug hooks.
        Remove global_decl hook.
        * debug.h (struct gcc_debug_hooks): Add early_finish,
        early_global_decl, and late_global_decl fields.
        Remove global_decl field.
        Document gcc_debug_hooks.
        * gengtype.c (output_typename): Remove.
        * godump.c (go_early_global_decl): New.
        (go_late_global_decl): New.
        (go_global_decl): Remove.
        (dump_go_spec_init): Remove global_decl.  Add
        {early,late}_global_decl.
        * langhooks-def.h (LANG_HOOKS_WRITE_GLOBALS): Remove.
        (LANG_HOOKS_POST_COMPILATION_PARSING_CLEANUPS): New.
        * langhooks.c (lhd_warn_unused_global_decl): Adjust comment.
        (write_global_declarations): Remove.
        (global_decl_processing): New.
        * langhooks.h (struct lang_hooks_for_decls): Remove
        final_write_globals field.
        Add post_compilation_parsing_cleanups field.
        * passes.c (rest_of_decl_compilation): Call early_global_decl.
        * sdbout.c: Add early and late_global_decl hooks.  Remove
        sdbout_global_decl hook.
        Add early_finish field for sdb_debug_hooks.
        (sdbout_global_decl): Remove.
        (sdbout_early_global_decl): New.
        (sdbout_late_global_decl): New.
        * timevar.def (TV_PHASE_LATE_PARSING_CLEANUPS): New.
        * toplev.c (check_global_declaration): Rename from
        check_global_declaration_1.
        Adapt to use symtab infrastructure.
        (check_global_declarations): Remove.
        (emit_debug_global_declarations): Remove.
        (compile_file): Remove call to final_write_globals langhook.
        Run the actual compilation process.
        Perform any post compilation parser cleanups.
        Generate late debug info.
        * toplev.h (check_global_declaration): New.
        (check_global_declaration_1): Remove.
        (check_global_declarations): Remove.
        (write_global_declarations): Remove.
        (emit_debug_global_declarations): Remove.
        (global_decl_processing): New.
        * tree-core.h (struct tree_block): Add DIE field.
        * tree.h (BLOCK_DIE): New.
        * vmsdbgout.c (vmsdbgout_global_decl): Remove function and its use
        throughout.
        (vmsdbgout_early_global_decl): New.
        (vmsdbgout_late_global_decl): New.
        Add early_finish debug hook field to vmsdbg_debug_hooks.
        Remove vmsdbgout_decl to vmsdbgout_function_decl.
        Add early and late_global_decl debug hooks.

2015-06-05  Julian Brown  <julian@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/print-sysroot-suffix.sh: Handle MULTILIB_REUSE settings.
        * config/t-sysroot-suffix (sysroot-suffix.h): Pass MULTILIB_REUSE
        to print-sysroot-suffix.sh script.

2015-06-05  Tom de Vries  <tom@codesourcery.com>

        merge from gomp4 branch:
        2015-05-28  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65443
        * tree-parloops.c (replace_imm_uses, replace_uses_in_bb_by)
        (replace_uses_in_bbs_by, transform_to_exit_first_loop_alt)
        (try_transform_to_exit_first_loop_alt): New function.
        (transform_to_exit_first_loop): Use
        try_transform_to_exit_first_loop_alt.

2015-06-05  James Greenhalgh  <james.greenhalgh@arm.com>

        * builtins.c (expand_builtin_atomic_compare_exchange): Call
        emit_cmp_and_jump_insns with the mode of target.

2015-06-05  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * config/i386/sse.md (sse3_mwait): Swap the operand constriants.

2015-06-04  DJ Delorie  <dj@redhat.com>

        * config/msp430/msp430.md (movsi_s): New.  Special case for
        storing a 20-bit symbol into a 32-bit register.
        * config/msp430/msp430.c (msp430_subreg): Add support for it.
        * config/msp430/predicates.md (msp430_symbol_operand): New.

2015-06-04  Sriraman Tallam  <tmsriram@google.com>

        * calls.c (prepare_call_address): Check for noplt
        attribute.
        * config/i386/i386.c (ix86_expand_call): Check
        for noplt attribute.
        (ix86_nopic_noplt_attribute_p): New function.
        (ix86_output_call_insn): Output indirect call for non-pic
        no plt calls.
        * doc/extend.texi (noplt): Document new attribute.
        * doc/invoke.texi: Document new attribute.

2015-06-04  Andrew MacLeod  <amacleod@redhat.com>

        * coretypes.h: Include machmode.h, signop.h, wide-int.h, double-int.h,
        real.h, and fixed-value.h when included in host source files.
        * double-int.h: Remove redundant #includes listed above.
        * fixed-value.h: Likewise.
        * real.h: Likewise.
        * wide-int.h: Likewise.
        * inchash.h: Likewise.
        * rtl.h: Add some include files When included from a generator file.
        * target.h: Remove wide-int.h and insn-modes.h from the include list.
        * internal-fn.h: Don't include coretypes.h.
        * alias.c: Adjust includes for restructured coretypes.h.
        * asan.c: Likewise.
        * attribs.c: Likewise.
        * auto-inc-dec.c: Likewise.
        * auto-profile.c: Likewise.
        * bb-reorder.c: Likewise.
        * bt-load.c: Likewise.
        * builtins.c: Likewise.
        * caller-save.c: Likewise.
        * calls.c: Likewise.
        * ccmp.c: Likewise.
        * cfg.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfgexpand.c: Likewise.
        * cfghooks.c: Likewise.
        * cfgloop.c: Likewise.
        * cfgloop.h: Likewise.
        * cfgloopanal.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * cfgrtl.c: Likewise.
        * cgraph.c: Likewise.
        * cgraphbuild.c: Likewise.
        * cgraphclones.c: Likewise.
        * cgraphunit.c: Likewise.
        * cilk-common.c: Likewise.
        * combine-stack-adj.c: Likewise.
        * combine.c: Likewise.
        * compare-elim.c: Likewise.
        * convert.c: Likewise.
        * coverage.c: Likewise.
        * cppbuiltin.c: Likewise.
        * cprop.c: Likewise.
        * cse.c: Likewise.
        * cselib.c: Likewise.
        * data-streamer-in.c: Likewise.
        * data-streamer-out.c: Likewise.
        * data-streamer.c: Likewise.
        * dbxout.c: Likewise.
        * dce.c: Likewise.
        * ddg.c: Likewise.
        * debug.c: Likewise.
        * df-core.c: Likewise.
        * df-problems.c: Likewise.
        * df-scan.c: Likewise.
        * df.h: Likewise.
        * dfp.c: Likewise.
        * dojump.c: Likewise.
        * dominance.c: Likewise.
        * domwalk.c: Likewise.
        * double-int.c: Likewise.
        * dse.c: Likewise.
        * dumpfile.c: Likewise.
        * dwarf2asm.c: Likewise.
        * dwarf2cfi.c: Likewise.
        * dwarf2out.c: Likewise.
        * dwarf2out.h: Likewise.
        * emit-rtl.c: Likewise.
        * et-forest.c: Likewise.
        * except.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fixed-value.c: Likewise.
        * fold-const.c: Likewise.
        * function.c: Likewise.
        * fwprop.c: Likewise.
        * gcc-plugin.h: Likewise.
        * gcse.c: Likewise.
        * generic-match-head.c: Likewise.
        * ggc-page.c: Likewise.
        * gimple-builder.c: Likewise.
        * gimple-expr.c: Likewise.
        * gimple-fold.c: Likewise.
        * gimple-iterator.c: Likewise.
        * gimple-low.c: Likewise.
        * gimple-match-head.c: Likewise.
        * gimple-pretty-print.c: Likewise.
        * gimple-ssa-isolate-paths.c: Likewise.
        * gimple-ssa-strength-reduction.c: Likewise.
        * gimple-streamer-in.c: Likewise.
        * gimple-streamer-out.c: Likewise.
        * gimple-streamer.h: Likewise.
        * gimple-walk.c: Likewise.
        * gimple.c: Likewise.
        * gimplify-me.c: Likewise.
        * gimplify.c: Likewise.
        * godump.c: Likewise.
        * graph.c: Likewise.
        * graphite-blocking.c: Likewise.
        * graphite-dependences.c: Likewise.
        * graphite-interchange.c: Likewise.
        * graphite-isl-ast-to-gimple.c: Likewise.
        * graphite-optimize-isl.c: Likewise.
        * graphite-poly.c: Likewise.
        * graphite-scop-detection.c: Likewise.
        * graphite-sese-to-poly.c: Likewise.
        * graphite.c: Likewise.
        * haifa-sched.c: Likewise.
        * hooks.h: Likewise.
        * hw-doloop.c: Likewise.
        * ifcvt.c: Likewise.
        * incpath.c: Likewise.
        * init-regs.c: Likewise.
        * internal-fn.c: Likewise.
        * ipa-chkp.c: Likewise.
        * ipa-comdats.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-devirt.c: Likewise.
        * ipa-icf-gimple.c: Likewise.
        * ipa-icf.c: Likewise.
        * ipa-inline-analysis.c: Likewise.
        * ipa-inline-transform.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-polymorphic-call.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-ref.c: Likewise.
        * ipa-reference.c: Likewise.
        * ipa-split.c: Likewise.
        * ipa-utils.c: Likewise.
        * ipa-visibility.c: Likewise.
        * ipa.c: Likewise.
        * ira-build.c: Likewise.
        * ira-color.c: Likewise.
        * ira-conflicts.c: Likewise.
        * ira-costs.c: Likewise.
        * ira-emit.c: Likewise.
        * ira-lives.c: Likewise.
        * ira.c: Likewise.
        * jump.c: Likewise.
        * langhooks.c: Likewise.
        * lcm.c: Likewise.
        * loop-doloop.c: Likewise.
        * loop-init.c: Likewise.
        * loop-invariant.c: Likewise.
        * loop-iv.c: Likewise.
        * loop-unroll.c: Likewise.
        * lower-subreg.c: Likewise.
        * lra-assigns.c: Likewise.
        * lra-coalesce.c: Likewise.
        * lra-constraints.c: Likewise.
        * lra-eliminations.c: Likewise.
        * lra-lives.c: Likewise.
        * lra-remat.c: Likewise.
        * lra-spills.c: Likewise.
        * lra.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-compress.c: Likewise.
        * lto-opts.c: Likewise.
        * lto-section-in.c: Likewise.
        * lto-section-out.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * lto-streamer.c: Likewise.
        * mcf.c: Likewise.
        * mode-switching.c: Likewise.
        * modulo-sched.c: Likewise.
        * omega.c: Likewise.
        * omp-low.c: Likewise.
        * optabs.c: Likewise.
        * opts-global.c: Likewise.
        * passes.c: Likewise.
        * plugin.c: Likewise.
        * postreload-gcse.c: Likewise.
        * postreload.c: Likewise.
        * predict.c: Likewise.
        * print-rtl.c: Likewise.
        * print-tree.c: Likewise.
        * profile.c: Likewise.
        * real.c: Likewise.
        * realmpfr.c: Likewise.
        * realmpfr.h: Likewise.
        * recog.c: Likewise.
        * ree.c: Likewise.
        * reg-stack.c: Likewise.
        * regcprop.c: Likewise.
        * reginfo.c: Likewise.
        * regrename.c: Likewise.
        * regs.h: Likewise.
        * regstat.c: Likewise.
        * reload.c: Likewise.
        * reload1.c: Likewise.
        * reorg.c: Likewise.
        * resource.c: Likewise.
        * rtl-chkp.c: Likewise.
        * rtlanal.c: Likewise.
        * rtlhooks.c: Likewise.
        * sanopt.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-ebb.c: Likewise.
        * sched-rgn.c: Likewise.
        * sched-vis.c: Likewise.
        * sdbout.c: Likewise.
        * sel-sched-dump.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * sel-sched.c: Likewise.
        * sese.c: Likewise.
        * shrink-wrap.c: Likewise.
        * shrink-wrap.h: Likewise.
        * simplify-rtx.c: Likewise.
        * stack-ptr-mod.c: Likewise.
        * statistics.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * store-motion.c: Likewise.
        * stringpool.c: Likewise.
        * symtab.c: Likewise.
        * target-globals.c: Likewise.
        * targhooks.c: Likewise.
        * toplev.c: Likewise.
        * tracer.c: Likewise.
        * trans-mem.c: Likewise.
        * tree-affine.c: Likewise.
        * tree-affine.h: Likewise.
        * tree-browser.c: Likewise.
        * tree-call-cdce.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-chkp-opt.c: Likewise.
        * tree-chkp.c: Likewise.
        * tree-chrec.c: Likewise.
        * tree-complex.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-dfa.c: Likewise.
        * tree-diagnostic.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-emutls.c: Likewise.
        * tree-if-conv.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-iterator.c: Likewise.
        * tree-loop-distribution.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-nrv.c: Likewise.
        * tree-object-size.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-phinodes.c: Likewise.
        * tree-predcom.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-pretty-print.h: Likewise.
        * tree-profile.c: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa-address.c: Likewise.
        * tree-ssa-alias.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree-ssa-copy.c: Likewise.
        * tree-ssa-copyrename.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-ssa-dom.c: Likewise.
        * tree-ssa-dse.c: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * tree-ssa-ifcombine.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-ch.c: Likewise.
        * tree-ssa-loop-im.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-ssa-loop-manip.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-loop-unswitch.c: Likewise.
        * tree-ssa-loop.c: Likewise.
        * tree-ssa-loop.h: Likewise.
        * tree-ssa-math-opts.c: Likewise.
        * tree-ssa-operands.c: Likewise.
        * tree-ssa-phiopt.c: Likewise.
        * tree-ssa-phiprop.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-propagate.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-ssa-scopedtables.c: Likewise.
        * tree-ssa-sink.c: Likewise.
        * tree-ssa-strlen.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-ssa-tail-merge.c: Likewise.
        * tree-ssa-ter.c: Likewise.
        * tree-ssa-threadedge.c: Likewise.
        * tree-ssa-threadupdate.c: Likewise.
        * tree-ssa-uncprop.c: Likewise.
        * tree-ssa-uninit.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-ssanames.c: Likewise.
        * tree-stdarg.c: Likewise.
        * tree-streamer-in.c: Likewise.
        * tree-streamer-out.c: Likewise.
        * tree-streamer.c: Likewise.
        * tree-switch-conversion.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-generic.c: Likewise.
        * tree-vect-loop-manip.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-slp.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.
        * tsan.c: Likewise.
        * ubsan.c: Likewise.
        * valtrack.c: Likewise.
        * value-prof.c: Likewise.
        * var-tracking.c: Likewise.
        * varasm.c: Likewise.
        * varpool.c: Likewise.
        * vmsdbgout.c: Likewise.
        * vtable-verify.c: Likewise.
        * web.c: Likewise.
        * wide-int-print.cc: Likewise.
        * wide-int-print.h: Likewise.
        * wide-int.cc: Likewise.
        * xcoffout.c: Likewise.
        * config/aarch64/aarch64-builtins.c: Likewise.
        * config/aarch64/aarch64.c: Likewise.
        * config/aarch64/cortex-a57-fma-steering.c: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/aarch-common.c: Likewise.
        * config/arm/arm-builtins.c: Likewise.
        * config/arm/arm-c.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/avr/avr-c.c: Likewise.
        * config/avr/avr-log.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/c6x/c6x.c: Likewise.
        * config/cr16/cr16.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/darwin.c: Likewise.
        * config/default-c.c: Likewise.
        * config/epiphany/epiphany.c: Likewise.
        * config/epiphany/mode-switch-use.c: Likewise.
        * config/epiphany/resolve-sw-modes.c: Likewise.
        * config/fr30/fr30.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/ft32/ft32.c: Likewise.
        * config/glibc-c.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/i386/i386-c.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/msformat-c.c: Likewise.
        * config/i386/winnt-cxx.c: Likewise.
        * config/i386/winnt-stubs.c: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64-c.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/lm32/lm32.c: Likewise.
        * config/m32c/m32c-pragma.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep-pragma.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/microblaze/microblaze-c.c: Likewise.
        * config/microblaze/microblaze.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/moxie/moxie.c: Likewise.
        * config/msp430/msp430-c.c: Likewise.
        * config/msp430/msp430.c: Likewise.
        * config/nds32/nds32-cost.c: Likewise.
        * config/nds32/nds32-fp-as-gp.c: Likewise.
        * config/nds32/nds32-intrinsic.c: Likewise.
        * config/nds32/nds32-isr.c: Likewise.
        * config/nds32/nds32-md-auxiliary.c: Likewise.
        * config/nds32/nds32-memory-manipulation.c: Likewise.
        * config/nds32/nds32-pipelines-auxiliary.c: Likewise.
        * config/nds32/nds32-predicates.c: Likewise.
        * config/nds32/nds32.c: Likewise.
        * config/nios2/nios2.c: Likewise.
        * config/nvptx/nvptx.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/rl78/rl78-c.c: Likewise.
        * config/rl78/rl78.c: Likewise.
        * config/rs6000/rs6000-c.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/s390/s390-c.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sh/sh-c.c: Likewise.
        * config/sh/sh-mem.cc: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh_optimize_sett_clrt.cc: Likewise.
        * config/sh/sh_treg_combine.cc: Likewise.
        * config/sol2-c.c: Likewise.
        * config/sol2-cxx.c: Likewise.
        * config/sol2-stubs.c: Likewise.
        * config/sol2.c: Likewise.
        * config/sparc/sparc-c.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu-c.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/tilegx/mul-tables.c: Likewise.
        * config/tilegx/tilegx-c.c: Likewise.
        * config/tilegx/tilegx.c: Likewise.
        * config/tilepro/mul-tables.c: Likewise.
        * config/tilepro/tilepro-c.c: Likewise.
        * config/tilepro/tilepro.c: Likewise.
        * config/v850/v850-c.c: Likewise.
        * config/v850/v850.c: Likewise.
        * config/vax/vax.c: Likewise.
        * config/visium/visium.c: Likewise.
        * config/vms/vms-c.c: Likewise.
        * config/vms/vms.c: Likewise.
        * config/vxworks.c: Likewise.
        * config/winnt-c.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * common/config/bfin/bfin-common.c: Likewise.

2015-06-04  Jan Hubicka  <hubicka@ucw.cz>

        * tree.h (tree_code_for_canonical_type_merging): New function.
        * tree.c (gimple_canonical_types_compatible_p): Use
        tree_code_for_canonical_type_merging..

2015-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR c++/66192
        PR target/66200
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in (TARGET_RELAXED_ORDERING): Delete.
        * target.def (TARGET_RELAXED_ORDERING): Likewise.
        * config/alpha/alpha.c (TARGET_RELAXED_ORDERING): Likewise.
        * config/ia64/ia64.c (TARGET_RELAXED_ORDERING): Likewise.
        * config/rs6000/rs6000.c (TARGET_RELAXED_ORDERING): Likewise.
        * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Likewise.
        * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
        * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Likewise.
        * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Likewise.

2015-06-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_override_options): Unconditionally
        register fma steering pass.
        * config/aarch64/cortex-a57-fma-steering.c (gate): Add gating on
        AARCH64_TUNE_FMA_STEERING.

2015-06-03  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (verify_type_variant): Verify that type and variant is
        compatible.
        (gimple_canonical_types_compatible_p): Look for main variants.

2015-06-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config.gcc (powerpc*-*-*): Add support for a new configure
        option --with-advance-toolchain=<xxx> which overrides using the
        default header files, libraries and dynamic linker.

        * config/rs6000/linux64.h (SUBSUBTARGET_EXTRA_SPECS): Add new
        specs to support the configure --with-advance-toolchain=<xxx>
        option.
        (INCLUDE_EXTRA_SPEC): Likewise.
        (LINK_OS_EXTRA_SPEC32): Likewise.
        (LINK_OK_EXTRA_SPEC64): Likewise.
        (LINK_OS_NEW_DTAGS_SPEC): Likewise.
        (DYNAMIC_LINKER_PREFIX): Likewise.
        (CPP_OS_DEFAULT_SPEC): Use the new specs for providing advance
        toolchain support.
        (GLIBC_DYNAMIC_LINKER32): Likewise.
        (GLIBC_DYNAMIC_LINKER64): Likewise.
        (LINK_OS_LINUX_SPEC32): Likewise.
        (LINK_OS_LINUX_SPEC64): Likewise.

        * doc/install.texi (--enable-advance-toolchain=<xx>): Document new
        configuration option.

2015-06-03  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66275
        * config/i386/i386.c (ix86_function_arg_regno): Use ix86_cfun_abi
        to determine current function ABI.
        (ix86_function_value_regno_p): Ditto.

2015-06-03  Martin Liska  <mliska@suse.cz>

        * alloc-pool.h (struct pool_usage): Correct GNU coding style.
        * bitmap.h (struct bitmap_usage): Likewise.
        * ggc-common.c (struct ggc_usage): Likewise.
        * mem-stats.h (struct mem_location): Likewise.
        (struct mem_usage): Likewise.
        * vec.c (struct vec_usage): Likewise.

2015-06-03  Benigno B. Junior  <bbj@gentoo.org>

        * config/netbsd-elf.h (NETBSD_LINK_SPEC_ELF): Turn -symbolic into
        -Bsymbolic.

2015-06-02  Andres Tiraboschi  <andres.tiraboschi@tallertechnologies.com>

        * doc/plugins.texi (enum plugin_event): New event.
        * plugin.c (register_callback): Handle PLUGIN_START_PARSE_FUNCTION
        and PLUGIN_FINISH_FUNCTION.
        * plugin.def (PLUGIN_START_PARSE_FUNCTION): Add plugin event
        (PLUGIN_FINISH_PARSE_FUNCTION): Likewise.

2015-06-03  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_analyze_group_access): Properly
        compute GROUP_GAP for the first element.
        * tree-vect-slp.c (vect_build_slp_tree_1): Remove restriction
        on in-group gaps.

2015-06-03  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78-real.md: Add peepholes to avoid a register
        copy when calling a function.
        * config/rl78/rl78.c (need_to_save): Do not push the frame
        pointer in an interrupt handler prologue if it is never used.

2015-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * ifcvt (end_ifcvt_sequence): Fix typo in comment above.

2015-06-03  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa-chkp.c (chkp_maybe_create_clone): Create alias
        reference when cloning alias node.

2015-06-03  Martin Liska  <mliska@suse.cz>

        * alloc-pool.h (struct pool_usage): Correct space padding.
        * ggc-page.c (ggc_print_statistics): Align columns in a report.
        * mem-stats.h (struct mem_usage): Add argument to print_dash_line.
        * tree.c (dump_tree_statistics): Align columns in a report.

2015-06-03  Martin Liska  <mliska@suse.cz>

        * alloc-pool.c (allocate_pool_descriptor): Remove.
        (struct pool_output_info): Likewise.
        (print_alloc_pool_statistics): Likewise.
        (dump_alloc_pool_statistics): Likewise.
        * alloc-pool.h (struct pool_usage): New struct.
        (pool_allocator::initialize): Change usage of memory statistics
        to a new interface.
        (pool_allocator::release): Likewise.
        (pool_allocator::allocate): Likewise.
        (pool_allocator::remove): Likewise.
        * mem-stats-traits.h (enum mem_alloc_origin): Add new enum value
        for a pool allocator.
        * mem-stats.h (struct mem_location): Add new ctor.
        (struct mem_usage): Add counter for number of
        instances.
        (mem_alloc_description::register_descriptor): New overload of
        * mem-stats.h (mem_location::to_string): New function.
        * bitmap.h (struct bitmap_usage): Use this new function.
        * ggc-common.c (struct ggc_usage): Likewise.
        the function.

2015-06-03  Richard Sandiford  <richard.sandiford@arm.com>

        * defaults.h (SWITCHABLE_TARGET, TARGET_SUPPORTS_WIDE_INT): Move out
        of GCC_INSN_FLAGS_H block.

2015-06-03  Andrew Bennett  <andrew.bennett@imgtec.com>

        * explow.c (plus_constant): Update check after force_const_mem call
        to see if the value returned is not a NULL_RTX.

2015-06-03  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa.c (symbol_table::remove_unreachable_nodes): Don't
        remove instumentation thunks calling reachable functions.
        * lto-cgraph.c (output_refs): Always output IPA_REF_CHKP.
        * lto/lto-partition.c (privatize_symbol_name_1): New.
        (privatize_symbol_name): Privatize both decl and orig_decl
        names for instrumented functions.
        * cgraph.c (cgraph_node::verify_node): Add transparent
        alias chain check for instrumented node.

2015-06-03  Marek Polacek  <polacek@redhat.com>

        PR c/64223
        PR c/29358
        * tree.c (attribute_value_equal): Handle attribute format.
        (cmp_attrib_identifiers): Factor out of lookup_ident_attribute.

2015-06-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/63916
        * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
        Forward-propagate non-invariant addresses by splicing their
        reference ops if the result isn't going to be used by PRE.
        (vn_reference_lookup_3): Remove pointless assert.

2015-06-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66375
        * tree-scalar-evolution.c (follow_ssa_edge_binary): First
        add to the evolution before following SSA edges.

2015-06-03  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (dump_iv): New parameter.
        (dump_use, dump_cand, find_induction_variables): Pass new argument
        to dump_iv.
        (record_use): Preserve the ssa name information in IV.

2015-06-03  Richard Sandiford  <richard.sandiford@arm.com>

        * genpreds.c (mark_mode_tests): Mark all MATCH_CODEs as
        NO_MODE_TEST.
        (add_mode_tests): Don't add mode tests if the predicate only
        accepts scalar constant integers.  Otherwise, allow the mode
        of "op" to be VOIDmode if the predicate does accept such integers.

2015-06-02  Jim Wilson  <jim.wilson@linaro.org>

        PR target/66258
        * config/aarch64/aarch64.c (aarch64_function_value_regno_p): Change
        !TARGET_GENERAL_REGS_ONLY to TARGET_FLOAT.
        (aarch64_secondary_reload): Likewise
        (aarch64_expand_builtin_va_start): Change TARGET_GENERAL_REGS_ONLY
        to !TARGET_FLOAT.
        (aarch64_gimplify_va_arg_expr, aarch64_setup_incoming_varargs):
        Likewise.

2015-06-03  Kugan Vivekanandarajah  <kuganv@linaro.org>
            Zhenqiang Chen  <zhenqiang.chen@linaro.org>

        PR target/65768
        * cprop.c (try_replace_reg): Check cost of constants before propagating.

2015-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-modes.def (IFmode): Define IFmode to
        provide access to the IBM extended double floating point mode if
        long double is IEEE 128-bit floating point.
        (KFmode): Define KFmode to provide access to IEEE 128-bit floating
        point if long double is the IBM extended double type.

        * config/rs6000/rs6000.opt (-mfloat128-none): New switches to
        enable adding IEEE 128-bit floating point support.
        (-mfloat128-software): Likewise.
        (-mfloat128-sw): Likewise.

        * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Do not allow
        128-bit floating point types to occupy any register if
        -mlong-double-64.  Do not allow use of IFmode/KFmode unless
        -mfloat128-software is enabled.
        (rs6000_debug_reg_global): Add IEEE 128-bit floating point debug
        support.
        (rs6000_option_override_internal): Add -mfloat128-* support.
        (rs6000_init_builtins): Setup __ibm128 and __float128 type modes.

        * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add ibm128
        and float128 type nodes.
        (ieee128_float_type_node): Likewise.
        (ibm128_float_type_node): Likewise.

2015-06-02  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/66136
        * config/aarch64/geniterators.sh: Rewrite in awk.

2015-06-02  Martin Liska  <mliska@suse.cz>

        * alloc-pool.h (pool_allocator::pool_allocator): Set implicit
        values to avoid -Wmaybe-uninitialized errors.

2015-06-02  Richard Biener  <rguenther@suse.de>

        PR debug/65549
        * dwarf2out.c (lookup_context_die): New function.
        (resolve_addr): Avoid forcing a full DIE for the
        target of a DW_TAG_GNU_call_site during late compilation.
        Instead create a stub DIE without a type if we have a
        context DIE present.

2015-06-02  Uros Bizjak  <ubizjak@gmail.com>

        * df-scan.c (df_scan_start_dump): Add space between regno and regname.

2015-06-02  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/48052
        * cfgloop.h (struct control_iv): New.
        (struct loop): New field control_ivs.
        * tree-ssa-loop-niter.c : Include "stor-layout.h".
        (number_of_iterations_lt): Set no_overflow information.
        (number_of_iterations_exit): Init control iv in niter struct.
        (record_control_iv): New.
        (estimate_numbers_of_iterations_loop): Call record_control_iv.
        (loop_exits_before_overflow): New.  Interface factored out of
        scev_probably_wraps_p.
        (scev_probably_wraps_p): Factor loop niter related code into
        loop_exits_before_overflow.
        (free_numbers_of_iterations_estimates_loop): Free control ivs.
        * tree-ssa-loop-niter.h (free_loop_control_ivs): New.

2015-06-02  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_modify_expr): Do not create a DECL_DEBUG_EXPR if
        the target doesn't belong to the current function.

2015-06-02  Marek Polacek  <polacek@redhat.com>

        PR middle-end/66345
        * gimple-fold.c (gimple_fold_builtin_snprintf): Return false if
        get_maxval_strlen does not produce an INTEGER_CST.

2015-06-02  Richard Sandiford  <richard.sandiford@arm.com>

        * config/arc/constraints.md: Use lower-case names in match_code.
        * config/mmix/constraints.md: Likewise.

2015-06-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65961
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Remove bogus
        check and clarify dump message.
        (vect_build_slp_tree): If all children are built up from scalars
        build up the parent from scalars instead.
        * tree-vect-stmts.c (vect_is_simple_use): Cleanup.

2015-06-02  Jan Kratochvil  <jan.kratochvil@redhat.com>

        PR other/65366
        * gdbhooks.py: Use int(...) instead of long(...).  Use print(...)
        instead of print ... .

2015-06-02  Alan Modra  <amodra@gmail.com>

        * config/rs6000/vsx.md (vsx_extract_v4sf): Revert accidental
        2014-08-11 change.

2015-06-02  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/52563
        PR tree-optimization/62173
        * tree-ssa-loop-ivopts.c (struct iv): New field.  Reorder fields.
        (alloc_iv, set_iv): New parameter.
        (determine_biv_step): Delete.
        (find_bivs): Inline original determine_biv_step.  Pass new
        argument to set_iv.
        (idx_find_step): Use no_overflow information for conversion.
        * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Let
        resolve_mixers handle folded_casts.
        (instantiate_scev_name): Change bool parameter to bool pointer.
        (instantiate_scev_poly, instantiate_scev_binary): Ditto.
        (instantiate_array_ref, instantiate_scev_not): Ditto.
        (instantiate_scev_3, instantiate_scev_2): Ditto.
        (instantiate_scev_1, instantiate_scev_r): Ditto.
        (instantiate_scev_convert, ): Change parameter.  Pass argument
        to chrec_convert_aggressive.
        (instantiate_scev): Change argument.
        (resolve_mixers): New parameter and set it.
        (scev_const_prop): New argument.
        * tree-scalar-evolution.h (resolve_mixers): New parameter.
        * tree-chrec.c (convert_affine_scev): Call chrec_convert instead
        of chrec_conert_1.
        (chrec_convert): New parameter.  Move definition below.
        (chrec_convert_aggressive): New parameter and set it.  Call
        convert_affine_scev.
        * tree-chrec.h (chrec_convert): New parameter.
        (chrec_convert_aggressive): Ditto.

2015-06-01  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_modify_expr_rhs): Use simple test on the size.
        * cgraph.c (cgraph_redirect_edge_call_stmt_to_callee): Do not remove
        the LHS of a no-return call if its type has variable size.
        * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
        * tree-cfg.c (verify_gimple_call): Accept these no-return calls.

2015-06-01  Andreas Tobler  <andreast@gcc.gnu.org>

        * read-rtl.c: Adapt to use HAVE_DECL_ATOLL instead of HAVE_ATOLL.
        * config.in: Regenerate.

2015-06-01  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * tree-vect-data-refs.c (vect_analyze_data_ref_access): Allow
        consecutive accesses within outer-loop with force_vectorize
        for references with zero step in inner-loop.

2015-06-01  Vidya Praveen  <vidyapraveen@arm.com>

        * Makefile.in: Pick up gcov-dump dependencies from gcc/ directory
        rather than from gcc/build directory.

2015-06-01  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/65697
        * config/aarch64/aarch64.c (aarch64_split_compare_and_swap): Check
        for __sync memory models, emit initial loads and final barriers as
        appropriate.

2015-06-01  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/65697
        * config/aarch64/aarch64.c (aarch64_emit_post_barrier):New.
        (aarch64_split_atomic_op): Check for __sync memory models, emit
        appropriate initial loads and final barriers.

2015-06-01  Vidya Praveen  <vidyapraveen@arm.com>

        * Makefile.in: Fix gcov dependencies that should
        not point to a build folder.

2015-06-01  Richard Biener  <rguenther@suse.de>

        Revert
        2015-05-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66314
        * tree-ssa-threadupdate.c (create_block_for_threading): Add
        parameter that says which loop the new block belongs to.
        (ssa_create_duplicates): Blocks duplicated for the threaded
        path belong to the loop of the thread destination.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * sched-deps.c: Include pool-alloc.h before
        cselib.h header file is included.

2015-06-01  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (ipa_pta_execute): Handle address-taken
        functions.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * alloc-pool.h: Add ATTRIBUTE_UNUSED for
        a function local variable.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * alloc-pool.c (create_alloc_pool): Remove.
        (empty_alloc_pool): Likewise.
        (free_alloc_pool): Likewise.
        (free_alloc_pool_if_empty): Likewise.
        (pool_alloc): Likewise.
        (pool_free): Likewise.
        * alloc-pool.h: Remove old declarations.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * ira-build.c (initiate_allocnos): Use new type-based pool allocator.
        (ira_create_object): Likewise.
        (ira_create_allocno): Likewise.
        (ira_create_live_range): Likewise.
        (copy_live_range): Likewise.
        (ira_finish_live_range): Likewise.
        (ira_free_allocno_costs): Likewise.
        (finish_allocno): Likewise.
        (finish_allocnos): Likewise.
        (initiate_prefs): Likewise.
        (ira_create_pref): Likewise.
        (finish_pref): Likewise.
        (finish_prefs): Likewise.
        (initiate_copies): Likewise.
        (ira_create_copy): Likewise.
        (finish_copy): Likewise.
        (finish_copies): Likewise.
        (finish_prefs): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * ipa-cp.c (ipcp_value::add_source): Use new type-based pool allocator.
        (allocate_and_init_ipcp_value): Likewise.
        (ipcp_lattice::add_value): Likewise.
        (merge_agg_lats_step): Likewise.
        (ipcp_driver): Likewise.
        * ipa-prop.c (ipa_free_all_structures_after_ipa_cp): Likewise.
        (ipa_free_all_structures_after_iinln): Likewise.
        * ipa-prop.h: Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * ipa-inline-analysis.c (edge_set_predicate): Use new type-based
        pool allocator.
        (set_hint_predicate): Likewise.
        (inline_summary_alloc): Likewise.
        (reset_inline_edge_summary): Likewise.
        (reset_inline_summary): Likewise.
        (set_cond_stmt_execution_predicate): Likewise.
        (set_switch_stmt_execution_predicate): Likewise.
        (compute_bb_predicates): Likewise.
        (estimate_function_body_sizes): Likewise.
        (inline_free_summary): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * ipa-prop.c (ipa_set_jf_constant): Use new type-based pool allocator.
        (ipa_edge_duplication_hook): Likewise.
        (ipa_free_all_structures_after_ipa_cp): Likewise.
        (ipa_free_all_structures_after_iinln): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * ipa-profile.c (account_time_size): Use new type-based pool allocator.
        (ipa_profile_generate_summary): Likewise.
        (ipa_profile_read_summary): Likewise.
        (ipa_profile): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * tree-ssa-structalias.c (new_var_info): Use new type-based
        pool allocator.
        (new_constraint): Likewise.
        (init_alias_vars): Likewise.
        (delete_points_to_sets): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * tree-ssa-strlen.c (new_strinfo): Use new type-based pool allocator.
        (free_strinfo): Likewise.
        (pass_strlen::execute): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * tree-ssa-sccvn.c (vn_reference_insert): Use new type-based
        pool allocator.
        (vn_reference_insert_pieces): Likewise.
        (vn_phi_insert): Likewise.
        (visit_reference_op_call): Likewise.
        (copy_phi): Likewise.
        (copy_reference): Likewise.
        (process_scc): Likewise.
        (allocate_vn_table): Likewise.
        (free_vn_table): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * tree-ssa-reassoc.c (add_to_ops_vec): Use new type-based
        pool allocator.
        (add_repeat_to_ops_vec): Likewise.
        (get_ops): Likewise.
        (maybe_optimize_range_tests): Likewise.
        (init_reassoc): Likewise.
        (fini_reassoc): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * tree-ssa-pre.c (get_or_alloc_expr_for_name): Use new type-based
        pool allocator.
        (bitmap_set_new): Likewise.
        (get_or_alloc_expr_for_constant): Likewise.
        (get_or_alloc_expr_for): Likewise.
        (phi_translate_1): Likewise.
        (compute_avail): Likewise.
        (init_pre): Likewise.
        (fini_pre): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * sched-deps.c (create_dep_node): Use new type-based pool allocator.
        (delete_dep_node): Likewise.
        (create_deps_list): Likewise.
        (free_deps_list): Likewise.
        (sched_deps_init): Likewise.
        (sched_deps_finish): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * regcprop.c (free_debug_insn_changes): Use new type-based
        pool allocator.
        (replace_oldest_value_reg): Likewise.
        (pass_cprop_hardreg::execute): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * ira-build.c (initiate_cost_vectors): Use new type-based
        pool allocator.
        (ira_allocate_cost_vector): Likewise.
        (ira_free_cost_vector): Likewise.
        (finish_cost_vectors): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * sel-sched-ir.c (alloc_sched_pools): Use new type-based
        pool allocator.
        (free_sched_pools): Likewise.
        * sel-sched-ir.h (_list_alloc): Likewise.
        (_list_remove): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * stmt.c (add_case_node): Use new type-based pool allocator.
        (expand_case): Likewise.
        (expand_sjlj_dispatch_table): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * tree-ssa-math-opts.c (occ_new): Use new type-based pool allocator.
        (free_bb): Likewise.
        (pass_cse_reciprocals::execute): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * tree-sra.c (sra_initialize): Use new type-based pool allocator.
        (sra_deinitialize) Likewise.
        (create_access_1) Likewise.
        (build_accesses_from_assign) Likewise.
        (create_artificial_child_access) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * dse.c (get_group_info):Use new type-based pool allocator.
        (dse_step0) Likewise.
        (free_store_info) Likewise.
        (delete_dead_store_insn) Likewise.
        (free_read_records) Likewise.
        (record_store) Likewise.
        (replace_read) Likewise.
        (check_mem_read_rtx) Likewise.
        (scan_insn) Likewise.
        (dse_step1) Likewise.
        (dse_step7) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * df-scan.c (struct df_scan_problem_data):Use new type-based
        pool allocator.
        (df_scan_free_internal) Likewise.
        (df_scan_alloc) Likewise.
        (df_grow_reg_info) Likewise.
        (df_free_ref) Likewise.
        (df_insn_create_insn_record) Likewise.
        (df_mw_hardreg_chain_delete) Likewise.
        (df_insn_info_delete) Likewise.
        (df_free_collection_rec) Likewise.
        (df_mw_hardreg_chain_delete_eq_uses) Likewise.
        (df_sort_and_compress_mws) Likewise.
        (df_ref_create_structure) Likewise.
        (df_ref_record) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * df-problems.c (df_chain_create):Use new type-based pool allocator.
        (df_chain_unlink_1) Likewise.
        (df_chain_unlink) Likewise.
        (df_chain_remove_problem) Likewise.
        (df_chain_alloc) Likewise.
        (df_chain_free) Likewise.
        * df.h (struct dataflow) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * cselib.c (new_elt_list):Use new type-based pool allocator.
        (new_elt_loc_list) Likewise.
        (unchain_one_elt_list) Likewise.
        (unchain_one_elt_loc_list) Likewise.
        (unchain_one_value) Likewise.
        (new_cselib_val) Likewise.
        (cselib_init) Likewise.
        (cselib_finish) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * config/sh/sh.c (add_constant):Use new type-based pool allocator.
        (sh_reorg) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * cfg.c (initialize_original_copy_tables):Use new type-based
        pool allocator.
        (free_original_copy_tables) Likewise.
        (copy_original_table_clear) Likewise.
        (copy_original_table_set) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * asan.c (asan_mem_ref_get_alloc_pool):Use new type-based
        pool allocator.
        (asan_mem_ref_new) Likewise.
        (free_mem_ref_resources) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * var-tracking.c (variable_htab_free):Use new type-based
        pool allocator.
        (attrs_list_clear) Likewise.
        (attrs_list_insert) Likewise.
        (attrs_list_copy) Likewise.
        (shared_hash_unshare) Likewise.
        (shared_hash_destroy) Likewise.
        (unshare_variable) Likewise.
        (var_reg_delete_and_set) Likewise.
        (var_reg_delete) Likewise.
        (var_regno_delete) Likewise.
        (drop_overlapping_mem_locs) Likewise.
        (variable_union) Likewise.
        (insert_into_intersection) Likewise.
        (canonicalize_values_star) Likewise.
        (variable_merge_over_cur) Likewise.
        (dataflow_set_merge) Likewise.
        (remove_duplicate_values) Likewise.
        (variable_post_merge_new_vals) Likewise.
        (dataflow_set_preserve_mem_locs) Likewise.
        (dataflow_set_remove_mem_locs) Likewise.
        (variable_from_dropped) Likewise.
        (variable_was_changed) Likewise.
        (set_slot_part) Likewise.
        (clobber_slot_part) Likewise.
        (delete_slot_part) Likewise.
        (loc_exp_insert_dep) Likewise.
        (notify_dependents_of_changed_value) Likewise.
        (emit_notes_for_differences_1) Likewise.
        (vt_emit_notes) Likewise.
        (vt_initialize) Likewise.
        (vt_finalize) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * ira-color.c (init_update_cost_records):Use new type-based
        pool allocator.
        (get_update_cost_record) Likewise.
        (free_update_cost_record_list) Likewise.
        (finish_update_cost_records) Likewise.
        (initiate_cost_update) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * lra.c (init_insn_regs): Use new type-based pool allocator.
        (new_insn_reg) Likewise.
        (free_insn_reg) Likewise.
        (free_insn_regs) Likewise.
        (finish_insn_regs) Likewise.
        (init_insn_recog_data) Likewise.
        (init_reg_info) Likewise.
        (finish_reg_info) Likewise.
        (lra_free_copies) Likewise.
        (lra_create_copy) Likewise.
        (invalidate_insn_data_regno_info) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * lra-lives.c (free_live_range): Use new type-based pool allocator.
        (free_live_range_list) Likewise.
        (create_live_range) Likewise.
        (copy_live_range) Likewise.
        (lra_merge_live_ranges) Likewise.
        (remove_some_program_points_and_update_live_ranges) Likewise.
        (lra_live_ranges_init) Likewise.
        (lra_live_ranges_finish) Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * et-forest.c (et_new_occ): Use new type-based pool allocator.
        (et_new_tree): Likewise.
        (et_free_tree): Likewise.
        (et_free_tree_force): Likewise.
        (et_free_pools): Likewise.
        (et_split): Likewise.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * alloc-pool.c (struct alloc_pool_descriptor): Move definition
        to header file.
        * alloc-pool.h (pool_allocator::pool_allocator): New function.
        (pool_allocator::release): Likewise.
        (inline pool_allocator::release_if_empty): Likewise.
        (inline pool_allocator::~pool_allocator): Likewise.
        (pool_allocator::allocate): Likewise.
        (pool_allocator::remove): Likewise.

2015-06-01  James Greenhalgh  <james.greenhalgh@arm.com>

        * sched-deps.c (sched_analyze_2): Replace fuseable with fusible
        in comment.

2015-06-01  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/arm-protos.h (tune_params): Rename fuseable_ops
        to fusible_ops.
        * config/arm/arm.c (arm_print_tune_info): Likewise.
        (arm_macro_fusion_p): Likewise.
        (arm_macro_fusion_pair_p): Likewise.

2015-06-01  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-protos.h (tune_params): Rename
        fuseable_ops to fusible_ops.
        * config/aarch64/aarch64.c (generic_tunings): Rename
        fuseable_ops to fusible_ops.
        (cortexa53_tunings): Likewise.
        (cortexa57_tunings): Likewise.
        (thunderx_tunings): Likewise.
        (xgene1_tunings): Likewise.
        (aarch64_macro_fusion_p): Likewise.
        (aarch64_macro_fusion_pair_p): Likewise.

2015-06-01  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/driver-native.c: New file.
        * config/s390/x-native: New file.
        * config.host: Add new files for s390.
        * config/s390/s390.h (DRIVER_SELF_SPECS): Add support for -mtune=native
        and -march=native
        * config.gcc: Likewise.
        * config/s390/s390.opt (march): Likewise; add PROCESSOR_NATIVE
        * config/s390/s390-opts.h (enum processor_type): Ditto.
        * config/s390/s390.c (s390_option_override): Catch unhandled
        PROCESSOR_NATIVE

2015-06-01  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65527
        * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Add
        redirection for instrumented calls.
        * lto-wrapper.c (merge_and_complain): Merge -fcheck-pointer-bounds.
        (append_compiler_options): Append -fcheck-pointer-bounds.
        * tree-chkp.h (chkp_copy_call_skip_bounds): New.
        (chkp_redirect_edge): New.
        * tree-chkp.c (chkp_copy_call_skip_bounds): New.
        (chkp_redirect_edge): New.

2015-06-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66280
        * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Fix pattern
        def-use walking.

2015-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md
        (*<LOGICAL:optab>_one_cmpl_<SHIFT:optab><mode>3): Change type to
        logic_shift_imm.

2015-06-01  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/winnt.c (i386_pe_encode_section_info) <FUNCTION_DECL>:
        Remove obsolete kludge.

2015-06-01  Richard Biener  <rguenther@suse.de>

        * tree-ssa-reassoc.c (get_rank): Simplify.

2015-05-31  H.J. Lu  <hongjiu.lu@intel.com>

        * configure.ac (NO_PIE_CFLAGS): Check CXXFLAGS instead of CFLAGS.
        * configure: Regenerated.

2015-05-31  Mikhail Maltsev  <maltsevm@gmail.com>

        * config/cris/cris.h (CRIS_ARCH_CPP_DEFAULT): Fix C++11 compatibility
        issue (add space between string literal and macro).
        * config/i386/mingw32.h (REAL_LIBGCC_SPEC): Likewise.

2015-05-30  Andreas Schwab  <schwab@linux-m68k.org>

        * config/m68k/m68k.h (ASM_PCREL_SPEC): Pass --pcrel also for
        implict or explicit -fPIE or -fpie.

2015-05-30  Mike Frysinger  <vapier@gentoo.org>

        * config/alpha/elf.h (ASM_SPEC): Add %{mcpu=*:-m%*}.

2015-05-28  DJ Delorie  <dj@redhat.com>

        * expmed.c (extract_bit_field_1): Avoid clobbering a
        yet-to-be-used base/index register.

2015-05-30  Jan Hubicka  <hubicka@ucw.cz>

        * alias.c (alias_set_entry_d): Add is_pointer and has_pointer.
        (alias_stats): Add num_universal.
        (alias_set_subset_of): Special case pointers; be ready for NULL
        children.
        (alias_sets_conflict_p): Special case pointers; be ready for NULL
        children.
        (init_alias_set_entry): Break out from ...
        (record_alias_subset): ... here; propagate new fields;
        allocate children only when really needed.
        (get_alias_set): Do less generous pointer globbing.
        (dump_alias_stats_in_alias_c): Update statistics.

2015-05-30  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (split_stack_arg_pointer_used_p): Scan
        correct block for use of r12.
        (rs6000_expand_split_stack_prologue): Error on r29 asm global reg.

2015-05-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR target/66215
        * config/s390/s390.c (s390_reorg): Fix placement of post-label NOPs
        with -mhotpatch=.

2015-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/66142
        * tree-if-conv.c (if_convertible_phi_p): Don't give up on
        virtual phis that feed themselves.

2015-05-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66314
        * tree-ssa-threadupdate.c (create_block_for_threading): Add
        parameter that says which loop the new block belongs to.
        (ssa_create_duplicates): Blocks duplicated for the threaded
        path belong to the loop of the thread destination.

2015-05-29  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * config/arm/neon-testgen.ml (emit_epilogue): Remove manual call
        to cleanup-saved-temps.
        * doc/sourcebuild.texi (Clean up generated test files): Expand
        introduction.
        (dg-keep-saved-temps): Document new proc.
        (cleanup-ipa-dump, cleanup-rtl-dump, cleanup-tree-dump,
        cleanup-saved-temps): Remove.

2015-05-28  Andreas Tobler  <andreast@gcc.gnu.org>

        * configure.ac: Move the atoll check from AC_CHECK_FUNCS to
        gcc_AC_CHECK_DECLS.
        * configure: Regenerate.

2015-05-28  Mike Frysinger  <vapier@gentoo.org>

        * config/nios2/linux.h (CPP_SPEC): Define.

2015-05-28  Mike Frysinger  <vapier@gentoo.org>

        * config/microblaze/linux.h (CPP_SPEC): Define.

2015-05-28  Mike Frysinger  <vapier@gentoo.org>

        * config/pa/pa-linux.h (CPP_SPEC): Change so -D_REENTRANT is used when
        -pthread is specified.

2015-05-28  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_fixup_reduc_chain): New function.
        (vect_fixup_scalar_cycles_with_patterns): Likewise.
        (vect_analyze_loop_2): Call vect_fixup_scalar_cycles_with_patterns
        after pattern recog.
        (vect_create_epilog_for_reduction): Properly handle reductions
        with patterns.
        (vectorizable_reduction): Likewise.
        * tree-vect-slp.c (vect_analyze_slp_instance): Properly mark
        reduction chains.
        (vect_get_constant_vectors): Create the correct number of
        initial values for reductions.
        (vect_schedule_slp_instance): Handle reduction chains that are
        type changing properly.
        * tree-vect-stmts.c (vect_analyze_stmt): Adjust.

2015-05-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66142
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle non-GIMPLE
        values better in memcpy destination handling.  Handle non-aliasing
        we discover here.

2015-05-28  Lawrence Velázquez  <vq@larryv.me>

        PR target/63810
        * config/darwin-c.c (version_components): New global enum.
        (parse_version, version_as_legacy_macro)
        (version_as_modern_macro, macosx_version_as_macro): New functions.
        (version_as_macro): Remove.
        (darwin_cpp_builtins): Use new function.

2015-05-28  H.J. Lu  <hongjiu.lu@intel.com>

        * builtins.c (expand_builtin_acc_on_device): Mark parameters
        with ATTRIBUTE_UNUSED.

2015-05-28  Julian Brown  <julian@codesourcery.com>

        PR libgomp/65742

        * builtins.c (expand_builtin_acc_on_device): Don't use open-coded
        sequence for !ACCEL_COMPILER.

2015-05-28  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (push_regs): New function.  Extracts code from...
        (rx_expand_prologue): ... here.  Use push_regs to push even small
        spans of registers.
        (pop_regs): New function.
        (rx_expand_epilogue):  Use pop_regs to pop even small spans of
        registers.

2015-05-28  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (struct _slp_instance): Remove body_cost_vec
        member.
        (SLP_INSTANCE_BODY_COST_VEC): Remove.
        (vect_update_slp_costs_according_to_vf): Likewise.
        (vect_slp_analyze_operations): Update prototype.
        * tree-vect-loop.c (vect_analyze_loop_2): Remove call to
        vect_update_slp_costs_according_to_vf, adjust.
        * tree-vect-slp.c (vect_free_slp_instance): Adjust.
        (vect_analyze_slp_cost_1): Likewise.
        (vect_analyze_slp_cost): Likewise.  Properly deal with
        widening reduction ops.  Commit body costs.
        (vect_analyze_slp_instance): Adjust.  Do not analyze SLP
        cost for loops from here.
        (vect_slp_analyze_operations): But do it from here when
        the vectorization factor is known and stmts are analyzed.
        (vect_bb_vectorization_profitable_p): Simplify.
        (vect_slp_analyze_bb_1): Do not compute SLP cost here.
        (vect_update_slp_costs_according_to_vf): Remove.

2015-05-27  Magnus Granberg  <zorry@gentoo.org>
            H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (COMPILER): Add @NO_PIE_CFLAGS@.
        (BUILD_CFLAGS): Likewise.
        (BUILD_CXXFLAGS): Likewise.
        (LINKER): Add @NO_PIE_FLAG@.
        (BUILD_LDFLAGS): Likewise.
        (libgcc.mvars): Set NO_PIE_CFLAGS to -fno-PIE for
        --enable-default-pie.
        * common.opt (fPIE): Initialize to -1.
        (fpie): Likewise.
        (no-pie): New option.
        (pie): Replace "Negative(shared)" with "Negative(no-pie)".
        * configure.ac: Add --enable-default-pie.
        (NO_PIE_CFLAGS): New.  Check if -fno-PIE works.  AC_SUBST.
        (NO_PIE_FLAG): New.  Check if -no-pie works.  AC_SUBST.
        * defaults.h (DEFAULT_FLAG_PIE): New.  Default PIE to -fPIE.
        * gcc.c (NO_PIE_SPEC): New.
        (PIE_SPEC): Likewise.
        (NO_FPIE1_SPEC): Likewise.
        (FPIE1_SPEC): Likewise.
        (NO_FPIE2_SPEC): Likewise.
        (FPIE2_SPEC): Likewise.
        (NO_FPIE2_SPEC): Likewise.
        (FPIE_SPEC): Likewise.
        (NO_FPIE_SPEC): Likewise.
        (NO_FPIC1_SPEC): Likewise.
        (FPIC1_SPEC): Likewise.
        (NO_FPIC2_SPEC): Likewise.
        (FPIC2_SPEC): Likewise.
        (NO_FPIC2_SPEC): Likewise.
        (FPIC_SPEC): Likewise.
        (NO_FPIC_SPEC): Likewise.
        (NO_FPIE1_AND_FPIC1_SPEC): Likewise.
        (FPIE1_OR_FPIC1_SPEC): Likewise.
        (NO_FPIE2_AND_FPIC2_SPEC): Likewise.
        (FPIE2_OR_FPIC2_SPEC): Likewise.
        (NO_FPIE_AND_FPIC_SPEC): Likewise.
        (FPIE_OR_FPIC_SPEC): Likewise.
        (LD_PIE_SPEC): Likewise.
        (LINK_PIE_SPEC): Handle -no-pie.  Use PIE_SPEC and LD_PIE_SPEC.
        * opts.c (finish_options): Update opts->x_flag_pie if it is -1.
        * config/darwin.h (PIE_SPEC): Renamed to ...
        (DARWIN_PIE_SPEC): This.
        (LINK_SPEC): Replace PIE_SPEC with DARWIN_PIE_SPEC.
        * config/darwin9.h (PIE_SPEC): Renamed to ...
        (DARWIN_PIE_SPEC): This.
        * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Use
        PIE_SPEC and NO_PIE_SPEC if HAVE_LD_PIE is defined.
        * config/openbsd.h (ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and
        FPIE2_OR_FPIC2_SPEC.
        * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
        * config/m68k/openbsd.h (ASM_SPEC): Likewise.
        * config/sol2.h (ASM_PIC_SPEC): Likewise.
        * config/arm/freebsd.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
        * config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
        * config/arm/semi.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
        * config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise.
        * config/m32r/m32r.h (ASM_SPEC): Likewise.
        * config/m68k/uclinux.h (DRIVER_SELF_SPECS): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
        * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
        * config/sparc/freebsd.h (ASM_SPEC): Likewise.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/netbsd-elf.h (ASM_SPEC): Likewise.
        * config/sparc/openbsd64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
        * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
        * config/sparc/sparc.h (ASM_SPEC): Likewise.
        * config/sparc/sysv4.h (ASM_SPEC): Likewise.
        * config/sparc/vxworks.h (ASM_SPEC): Likewise.
        * config/c6x/elf-common.h (ASM_SPEC): Use NO_FPIC2_SPEC,
        FPIC2_SPEC, FPIC1_SPEC and FPIC2_SPEC.
        * config/c6x/uclinux-elf.h (LINK_SPEC): Use FPIE_SPEC.
        * config/frv/frv.h (DRIVER_SELF_SPECS): Use FPIC_SPEC,
        NO_FPIC_SPEC and NO_FPIE1_AND_FPIC1_SPEC.
        (ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and FPIE2_OR_FPIC2_SPEC.
        * config/m68k/m68k.h (ASM_PCREL_SPEC): Use FPIC_SPEC and NO_FPIC_SPEC.
        * config/mips/gnu-user.h (NO_SHARED_SPECS): Use NO_FPIE_AND_FPIC_SPEC.
        * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Use FPIC_SPEC.
        * config/rs6000/freebsd64.h (ASM_SPEC32): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/vax/linux.h (ASM_SPEC): Likewise.
        * doc/install.texi: Document --enable-default-pie.
        * doc/invoke.texi: Document -no-pie.
        * config.in: Regenerated.
        * configure: Likewise.

2015-05-28  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR rtl-optimization/66168
        * loop-invariant.c (move_invariant_reg): Pass dest rather than reg to
        can_move_invariant_reg.

2015-05-27  John David Anglin  <danglin@gcc.gnu.org>

        PR target/66148
        * config/pa/pa.c (pa_emit_move_sequence): Correct placement of
        REG_EQUAL note when doing insert.

        * config/pa/pa.c (pa_print_operand): Use HOST_WIDE_INT_PRINT_DEC
        instead of "%d" for 'o' operand.

2015-05-27  Nathan Sidwell  <nathan@acm.org>

        PR c++/66270
        * tree.c (build_pointer_type_for_mode): Canonical type does not
        inherit can_alias_all.
        (build_reference_type_for_mode): Likewise.

2015-05-27  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.h (array_at_struct_end_p): Move to...
        (array_ref_element_size): Likewise.
        (component_ref_field_offset): Likewise.
        * tree.h (array_ref_element_size): ...here.
        (array_at_struct_end_p): Likewise.
        (component_ref_field_offset): Likewise.
        * expr.c (array_ref_element_size): Move to...
        (array_ref_low_bound): Likewise.
        (array_at_struct_end_p): Likewise.
        (array_ref_up_bound): Likewise.
        (component_ref_field_offset): Likewise.
        * tree.c (array_ref_element_size): ...here.
        (array_ref_low_bound): Likewise.
        (array_ref_up_bound): Likewise.
        (array_at_struct_end_p): Likewise.
        (component_ref_field_offset): Likewise.

2015-05-27  Gregor Richards  <gregor.richards@uwaterloo.ca>
            Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/aarch64/aarch64-linux.h (MUSL_DYNAMIC_LINKER): Define.

2015-05-27  Jason Merrill  <jason@redhat.com>

        PR bootstrap/66304
        * configure.ac: Use ACX_PROG_CXX_WARNING_OPTS,
        ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC, and
        ACX_PROG_CXX_WARNINGS_ARE_ERRORS.

2015-05-22  Aditya Kumar  <hiraditya@msn.com>

        * auto-profile.c (afdo_calculate_branch_prob): Break once has_sample
        is true.

        * statistics.c (statistics_fini_pass): Print pass name.

2015-05-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66272
        Revert parts of
        2014-08-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/62031
        * tree-data-ref.c (dr_analyze_indices): Do not set
        DR_UNCONSTRAINED_BASE.
        (dr_may_alias_p): All indirect accesses have to go the
        formerly DR_UNCONSTRAINED_BASE path.
        * tree-data-ref.h (struct indices): Remove
        unconstrained_base member.
        (DR_UNCONSTRAINED_BASE): Remove.

2015-05-27  Aldy Hernandez  <aldyh@redhat.com>

        * dwarf2out.c: Remove block_map.
        (gen_call_site_die): Replace block_map use with BLOCK_DIE.
        (gen_lexical_block_die): Same.
        (dwarf2out_function_decl): Remove block_map use.
        (dwarf2out_c_finalize): Same.
        * tree-core.h (struct tree_block): Add die field.
        * tree.h (BLOCK_DIE): New.

2015-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65358
        * expr.c (memory_load_overlap): New function.
        (emit_push_insn): When pushing partial args to the stack would
        clobber the register part load the overlapping part into a pseudo
        and put it into the hard reg after pushing.  Change return type
        to bool.  Add bool argument.
        * expr.h (emit_push_insn): Change return type to bool.
        Add bool argument.
        * calls.c (expand_call): Cancel sibcall optimization when encountering
        partial argument on targets with ARGS_GROW_DOWNWARD and
        !STACK_GROWS_DOWNWARD.
        (emit_library_call_value_1): Update callsite of emit_push_insn.
        (store_one_arg): Likewise.

2015-05-27  Gregor Richards  <gregor.richards@uwaterloo.ca>

        * config/arm/linux-eabi.h (MUSL_DYNAMIC_LINKER): Define.

2015-05-27  Martin Liska  <mliska@suse.cz>

        * Makefile.in: Add additional dependencies related to memory report
        enhancement.
        * alloc-pool.c (allocate_pool_descriptor): Use new ctor.
        * bitmap.c (struct bitmap_descriptor_d): Remove.
        (struct loc): Likewise.
        (struct bitmap_desc_hasher): Likewise.
        (bitmap_desc_hasher::hash): Likewise.
        (bitmap_desc_hasher::equal): Likewise.
        (get_bitmap_descriptor): Likewise.
        (bitmap_register): User new memory descriptor API.
        (register_overhead): Likewise.
        (bitmap_find_bit): Register nsearches and search_iter statistics.
        (struct bitmap_output_info): Remove.
        (print_statistics): Likewise.
        (dump_bitmap_statistics): Use new memory descriptor.
        * bitmap.h (struct bitmap_usage): New class.
        * genmatch.c: Extend header file inclusion.
        * genpreds.c: Likewise.
        * ggc-common.c (struct ggc_usage): New class.
        (struct ggc_loc_desc_hasher): Remove.
        (ggc_loc_desc_hasher::hash): Likewise.
        (ggc_loc_desc_hasher::equal): Likewise.
        (struct ggc_ptr_hash_entry): Likewise.
        (struct ptr_hash_hasher): Likewise.
        (ptr_hash_hasher::hash): Likewise.
        (ptr_hash_hasher::equal): Likewise.
        (make_loc_descriptor): Likewise.
        (ggc_prune_ptr): Likewise.
        (dump_ggc_loc_statistics): Use new memory descriptor.
        (ggc_record_overhead): Likewise.
        (ggc_free_overhead): Likewise.
        (final_cmp_statistic): Remove.
        (cmp_statistic): Likewise.
        (ggc_add_statistics): Liekwise.
        (ggc_prune_overhead_list): Likewise.
        * hash-map-traits.h: New file.
        * hash-map.h (struct default_hashmap_traits): Move the traits to a
        separate header file.
        * hash-set.h: Pass memory statistics info to ctor.
        * hash-table.c (void dump_hash_table_loc_statistics): New function.
        * hash-table.h (hash_table::hash_table): Add new ctor arguments.
        (hash_table::~hash_table): Register memory release operation.
        (hash_table::alloc_entries): Handle memory allocation operation.
        (hash_table::expand): Likewise.
        * inchash.c (iterative_hash_hashval_t): Move implementation to header
        file.
        (iterative_hash_host_wide_int): Likewise.
        * inchash.h (class hash): Likewise.
        * mem-stats-traits.h: New file.
        * mem-stats.h: New file.
        (mem_location): Add new class.
        (mem_usage): Likewise.
        (mem_alloc_description): Likewise.
        * sese.c: Add new header file inclusision.
        * toplev.c (dump_memory_report): Add report for hash_table, hash_map
        and hash_set.
        * tree-sra.c: Add new header file inclusision.
        * vec.c (struct vec_descriptor): Remove.
        (hash_descriptor): Likewise.
        (struct vec_usage): Likewise.
        (struct ptr_hash_entry): Likewise.
        (hash_ptr): Likewise.
        (eq_ptr): Likewise.
        (vec_prefix::register_overhead): Use new memory descriptor API.
        (vec_prefix::release_overhead): Likewise.
        (add_statistics): Remove.
        (dump_vec_loc_statistics): Use new memory descriptor API.
        * vec.h (struct vec_prefix): Likewise.
        (va_heap::reserve): Likewise.
        (va_heap::release): Likewise.
        * emit-rtl.c (gen_raw_REG): Fix passing MEM_STAT.

2015-05-27  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): Initialize slp_perm
        earlier and remove ??? comment.
        (vect_analyze_stmt): If we are analyzing a pure SLP stmt
        and got called from loop analysis bail out.  Always pass the SLP
        node to the vectorizable_* functions.
        * tree-vect-loop.c (vect_analyze_loop_operations): Remove
        the premature SLP check here.
        * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Dump hybrid
        detected SLP stmts.
        (vect_detect_hybrid_slp_1): Likewise.

2015-05-26  Jeff Law  <law@redhat.com>

        * combine.c (find_split_point): Verify that the shift count is a
        constant when choosing (plus (ashift ...)) as a split point.

        * tree-ssa-threadupdate.c: Replace 8 space sequences with tabs.
        No functional changes.

2015-05-26  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-polymorphic-call.c
        (ipa_polymorphic_call_context::get_dynamic_type): Short circuit the
        case when call target is already known.

2015-05-26  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/65979
        * config/sh/sh.md (tstsi_t peephole2): Use gen_rtx_SET and
        take into account the case that operands[1] and operands[2]
        are the same register.

2015-05-26  Michael Matz  <matz@suse.de>

        PR middle-end/66251

        * tree-vect-stmts.c (vect_model_store_cost): Handled strided group
        stores.
        (vect_create_vectorized_demotion_stmts): Always set
        STMT_VINFO_VEC_STMT, also with SLP.
        (vectorizable_store): Handle strided group stores.

2015-05-26  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        PR target/66049
        * config/aarch64/aarch64.md
        (*adds_shift_imm_<mode>):  New pattern.
        (*subs_shift_imm_<mode>):  Likewise.
        (*adds_<optab><ALLX:mode>_shift_<GPI:mode>):  Likewise.
        (*subs_<optab><ALLX:mode>_shift_<GPI:mode>): Likewise.
        (*add_uxt<mode>_shift2): Likewise.
        (*add_uxtsi_shift2_uxtw): Likewise.
        (*sub_uxt<mode>_shift2): Likewise.
        (*sub_uxtsi_shift2_uxtw): Likewise.

2015-05-26  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/constraints.md (Y, U): Use match_test.

2015-05-26  Christian Bruel  <christian.bruel@st.com>

        PR target/52144
        * config/arm/arm.c (arm_option_check_internal)
        (arm_option_params_internal): Check opts->target_flags to set macros.
        (TREE_TARGET_ARM, TREE_TARGET_THUMB)
        (TREE_TARGET_THUMB1, TREE_TARGET_THUMB2) Replace with...
        (TARGET_ARM_P, TARGET_THUMB_P, TARGET_THUMB1_P, TARGET_THUMB2_P)
        (builtin_define): Replaced with def_or_undef_macro.
        * config/arm/arm.h (TREE_TARGET_ARM, TREE_TARGET_THUMB)
        TREE_TARGET_THUMB1, TREE_TARGET_THUMB2) Redefine with...
        (TARGET_ARM_P, TARGET_THUMB_P, TARGET_THUMB1_P, TARGET_THUMB2_P)
        (TARGET_32BIT_P, TARGET_ARM_QBIT_P, TARGET_ARM_SAT_P, TARGET_IDIV_P)
        (TARGET_HAVE_LDREX_P, TARGET_HAVE_LDREXBH_P, TARGET_HAVE_LDREXD_P)
        (TARGET_ARM_FEATURE_LDREX_P)
        (TARGET_DSP_MULTIPLY_P, TARGET_INT_SIMD_P): New macros.
        * config/arm/arm-c.c (def_or_undef_macro): New function.
        (arm_cpu_cpp_builtins): Use def_or_undef_macro for macros definition.

2015-05-26  Christian Bruel  <christian.bruel@st.com>

        * c-common.h (builtin_define_with_int_value)
        (builtin_define_type_sizeof): Declare.
        * c-cppbuiltin.c (builtin_define_with_int_value)
        (builtin_define_type_sizeof): Externalize.
        (builtin_define_std): Cleanup declaration.
        * config/arm/arm-protos.h (arm_cpu_cpp_builtins): Declare.
        * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Move macro defines into...
        * config/arm/arm-c.c (arm_cpu_cpp_builtins): New function.
        (builtin_define, builtin_assert): New macros.

2015-05-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66142
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Manually compare
        MEM_REFs for the same base address.

2015-05-26  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR ipa/66181
        * tree.c (verify_type_variant): Do not check TYPE_NO_FORCE_BLK.

2015-05-26  Jason Merrill  <jason@redhat.com>

        * configure.ac: Set CXXFLAGS for ISL test.
        * configure: Regenerate.

        * configure.ac: Use C++ for all tests.  Use AC_CHECK_DECLS for
        strstr and basename.
        * configure: Regenerate.

2015-05-26  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Move X % -Y -> X % Y and
        X % C -> X & (C - 1) for C being a power-of two to ...
        * match.pd: ... patterns.

2015-05-26  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (swapped_tcc_comparison): New operator list.
        (-A CMP -B): New simplification.
        * fold-const.c (fold_comparison): Remove corresponding code.

2015-05-26  Richard Sandiford  <richard.sandiford@arm.com>

        * caller-save.c (init_caller_save): Base temporary register numbers
        on LAST_VIRTUAL_REGISTER + 1 rather than FIRST_PSEUDO_REGISTER.
        * cfgloopanal.c (init_set_costs): Likewise.
        * dojump.c (prefer_and_bit_test): Likewise.
        * expr.c (init_expr_target): Likewise.
        * ira.c (setup_prohibited_mode_move_regs): Likewise.
        * lower-subreg.c (init_lower_subreg): Likewise.
        * postreload.c (reload_cse_regs_1): Likewise.

2015-05-26  Richard Sandiford  <richard.sandiford@arm.com>

        * gensupport.h (compute_test_codes): Declare.
        * gensupport.c (compute_predicate_codes): Rename to...
        (compute_test_codes): ...this.  Generalize error message.
        (process_define_predicate): Update accordingly.
        * genpreds.c (compute_maybe_allows): Delete.
        (add_constraint): Use compute_test_codes to determine whether
        something can accept a SUBREG, REG or MEM.

2015-05-26  Torvald Riegel  <triegel@redhat.com>

        * doc/extend.texi (__atomic Builtins): Use 'memory order' instead of
        'memory model' to align with C++11; fix description of memory orders;
        fix a few typos.

2015-05-26  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_update_vf_for_slp): Split out from ...
        (vect_analyze_loop_operations): ... here.  Remove slp parameter,
        detect whether we apply SLP.  Remove call to
        vect_update_slp_costs_according_to_vf.
        (vect_analyze_loop_2): Call vect_update_vf_for_slp and
        vect_update_slp_costs_according_to_vf from here.  Dispatch
        to vect_slp_analyze_operations to analyze SLP stmts.
        * tree-vect-slp.c (vect_slp_analyze_node_operations): Drop
        unused bb_vec_info parameter, adjust assert.
        (vect_slp_analyze_operations): Pass in the slp instance tree
        instead of bb_vec_info.
        (vect_slp_analyze_bb_1): Adjust call to vect_slp_analyze_operations.
        * tree-vectorizer.h (vect_slp_analyze_operations): Declare.

2015-05-25  Alexander Monakov  <amonakov@ispras.ru>

        * config/i386/i386.h (enum reg_class): Move CLOBBERED_REGS prior to
        Q_REGS.  Expand comment.
        (REG_CLASS_NAMES): Ditto.
        (REG_CLASS_CONTENTS): Ditto.

2015-05-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66274
        * config/i386/i386.c (print_reg): Only print "r" for TARGET_64BIT
        when LEGACY_INT_REGNO_P is processed.

2015-05-25  Alexander Monakov  <amonakov@ispras.ru>

        * config/i386/i386.c (ix86_function_ok_for_sibcall): Check flag_plt.

2015-05-25  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>

        * config/avr/avr.c (avr_out_load_psi_reg_no_disp_tiny): Restore base
        register if not marked dead/unused, before return.

2015-05-24  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/66180
        * ipa-devirt.c (type_with_linkage): Check that TYPE_STUB_DECL
        is set; check for assembler name at LTO time.
        (type_in_anonymous_namespace): Remove hacks, check that all
        anonymous types are called "<anon>"
        (odr_type_p): Simplify; add check for "<anon>"
        (odr_subtypes_equivalent): Add odr_type_p check.
        * tree.c (need_assembler_name_p): Even anonymous namespace needs
        assembler name.

2015-05-24  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-utils.h (method_class_type): Remove.
        * cgraphunit.c (walk_polymorphic_call_targets): Use
        TYPE_METHOD_BASETYPE.
        * ipa-devirt.c (type_in_anonymous_namespace_p): Check that it is called
        on main variants only.
        (method_class_type): Remove.
        (update_type_inheritance_graph): Use TYPE_METHOD_BASETYPE.
        (build_type_inheritance_graph): Likewise.
        * ipa-icf.c (sem_function::equals_wpa): Likewise.
        * pa-polymorphic-call.c (decl_maybe_in_construction_p,
        check_stmt_for_type_change): Use TYPE_METHOD_BASETYPE.

2015-05-24  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (prototype_p, virtual_method_call_p, obj_type_ref_class,
        is_typedef_decl, typedef_variant_p): Constify.
        * tree.h (prototype_p, virtual_method_call_p, obj_type_ref_class,
        is_typedef_decl, typedef_variant_p): Constify.

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (gen_tablejump): New function.
        (HAVE_tablejump): Add default value.
        * expr.c: Adjust.
        * stmt.c: Likewise.

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (gen_store_multiple): New function.
        (HAVE_store_multiple): Add default value.
        * expr.c (move_block_from_reg): Adjust.

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (gen_load_multiple): New function.
        (HAVE_load_multiple): Add default value.
        * expr.c (move_block_to_reg): Adjust.

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (gen_mem_signal_fence): New function.
        (HAVE_mem_signal_fence): Add default value.
        * optabs.c: Adjust.

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (gen_memory_barrier): New function.
        (HAVE_memory_barrier): Add default value.
        * optabs.c: Adjust.

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (gen_mem_thread_fence): New function.
        (HAVE_mem_thread_fence): Add default definition.
        * optabs.c: Adjust.

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * combine.c (find_split_point): Check the value of HAVE_lo_sum
        instead of if it is defined.
        (combine_simplify_rtx): Likewise.
        * lra-constraints.c (process_address_1): Likewise.
        * config/darwin.c: Adjust.
        * genconfig.c (main): Always define HAVE_lo_sum.

2015-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * genmatch.c (parser::parse_operation): Reject expanding
        operator-list inside 'for'.

2015-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * genmatch.c (parser::parse_for): Reject iterator if used as
        operator-list.

2015-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * genmatch.c (parser::parse_operator_list): Check for CPP_CLOSE_PAREN
        after end of id-list.

2015-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (gimple_canonical_types_compatible_p): Sanity check that
        we do not try to compute canonical type for type that does not need
        alias set.
        (verify_type): Drop FIXME for METHOD_TYPE, update FIXME for
        FUNCITON_TYPE.
        * tree.h (type_with_alias_set_p): New.

2015-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (gimple_canonical_types_compatible_p):  Do not compare
        function attributes.
        (verify_type): Remove METHOD_TYPE FIXME; update FUNCTION_TYPE.

2015-05-22  Jim Wilson  <jim.wilson@linaro.org>

        * Makefile.in (check_gcc_parallelize): Delete.
        (lang_checks_parallelized): Update comment.

2015-05-22  Mikhail Maltsev  <maltsevm@gmail.com>

        PR rtl-optimization/66237
        * bb-reorder.c (fix_crossing_conditional_branches): Fix wrong
        location of an "as_a" cast.

2015-05-22  Jeff Law  <law@redhat.com>

        * config/pa/pa.md (non-canonical shift-add insns): Remove.
        (peepholes with non-canonical RTL sources): Remove.
        (peepholes for indexed stores of FP regs in integer modes): Match and
        generate canonical RTL.

2015-05-22  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/63387
        * match.pd ((X /[ex] A) * A -> X): Remove unnecessary condition.
        ((x ord x) & (y ord y) -> (x ord y),
        (x ord x) & (x ord y) -> (x ord y)): New simplifications.
        * fold-const.c (tree_unary_nonnegative_warnv_p) <ABS_EXPR>: Handle
        vectors like scalars.

2015-05-22  Marc Glisse  <marc.glisse@inria.fr>

        * convert.c (convert_to_integer, convert_to_vector): Include the
        types in the error message.

2015-05-22  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd ((x | y) & ~x -> y & ~x, (x & y) | ~x -> y | ~x): New
        simplifications.

2015-05-22  Jeff Law  <law@redhat.com>

        * config/pa/pa.md (integer_indexed_store splitters): Use
        mem_shadd_operand.  Use ASHIFT rather than MULT in the resulting
        insns -- adjusting the constant 2nd operand accordingly.

        * combine.c (try_combine): Canonicalize (plus (mult X pow2) Y) into
        (plus (ashift X log2) Y) if it is a split point.

        * config/pa/pa.c (mem_shadd_or_shadd_rtx_p): New function factoredx
        out of hppa_legitimize_address to handle both forms of a multiply
        by 2, 4 or 8.
        (hppa_legitimize_address): Use mem_shadd_or_shadd_rtx_p.
        Always generate the ASHIFT variant as the result is not directly
        used in a MEM.  Update comments and refactor slightly to improve
        readability.

2015-05-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65491
        * config/aarch64/aarch64.c (aarch64_short_vector_p): Move above
        aarch64_composite_type_p.  Remove check for aarch64_composite_type_p.
        (aarch64_composite_type_p): Return false if given type and mode are
        for a short vector.

2015-05-22  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (struct _slp_oprnd_info): Add second_pattern
        member.
        * tree-vect-loop.c (vect_analyze_loop_operations): Look at
        patterns when determining whether SLP is pure.
        (vect_is_slp_reduction): Remove check for pattern stmts.
        (vect_is_simple_reduction_1): Remove dead code.
        * tree-vect-slp.c (vect_create_oprnd_info): Initialize second_pattern.
        (vect_get_and_check_slp_defs): Pass in the stmt number.
        Allow the first def in a reduction to be not a pattern stmt when
        the rest of the stmts def are patterns.
        (vect_build_slp_tree_1): Allow tcc_expression codes like
        SAD_EXPR and DOT_PROD_EXPR.
        (vect_build_slp_tree): Adjust.
        (vect_analyze_slp): Refactor and move BB vect error message ...
        (vect_slp_analyze_bb_1): ... here.

2015-05-22  Aldy Hernandez  <aldyh@redhat.com>

        * tree-switch-conversion.c (build_one_array): Set DECL_IGNORED_P
        for CSWTCH temporary.

2015-05-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_new_rtx_costs): Handle UNSPEC_VOLATILE.
        (arm_unspec_cost): Allow UNSPEC_VOLATILE.  Do not recurse inside
        unknown unspecs.

2015-05-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66251
        * tree-vect-stmts.c (vectorizable_conversion): Properly
        set STMT_VINFO_VEC_STMT even for the SLP case.

2015-05-22  Marek Polacek  <polacek@redhat.com>

        * doc/extend.texi: Use @pxref instead of @xref.

2015-05-22  hiraditya  <hiraditya@msn.com>

        * gimple.h (gimple_expr_type): Refactor to make it concise. Remove
        redundant if.

2015-05-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65701
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
        Move peeling cost models into one place.  Peel for alignment
        for single loads only if an aligned load is cheaper than
        an unaligned load.

2015-05-22  Marek Polacek  <polacek@redhat.com>

        PR c/47043
        * doc/extend.texi (Enumerator Attributes): New section.
        Document syntax of enumerator attributes.

2015-05-22  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (get_reduction_op): New function.
        (vect_model_reduction_cost): Use it, add reduc_index parameter.
        Make ready for BB reductions.
        (vect_create_epilog_for_reduction): Use get_reduction_op.
        (vectorizable_reduction): Init reduc_index to a valid value.
        Adjust vect_model_reduction_cost call.
        * tree-vect-slp.c (vect_get_constant_vectors): Use the proper
        operand for reduction defaults.  Add SAD_EXPR support.
        Assert we have a neutral op for SLP reductions.
        * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): When
        walking pattern stmt ops only recurse to SSA names.

2015-05-22  Richard Biener  <rguenther@suse.de>

        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Replace
        assert with guard, remove check on detected reduction.
        (vect_recog_sad_pattern): Likewise.
        (vect_recog_widen_sum_pattern): Likewise.

2015-05-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/arm_neon.h (vaeseq_u8): Add __extension__ and
        __always_inline__ attribute.
        (vaesdq_u8): Likewise.
        (vaesmcq_u8): Likewise.
        (vaesimcq_u8): Likewise.
        (vsha1cq_u32): Likewise.
        (vsha1mq_u32): Likewise.
        (vsha1pq_u32): Likewise.
        (vsha1h_u32): Likewise.
        (vsha1su0q_u32): Likewise.
        (vsha1su1q_u32): Likewise.
        (vsha256hq_u32): Likewise.
        (vsha256h2q_u32): Likewise.
        (vsha256su0q_u32): Likewise.
        (vsha256su1q_u32): Likewise.
        (vmull_p64): Likewise.
        (vmull_high_p64): Likewise.

2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * final.c (final_scan_insn): Don't check HAVE_peephole with the
        preprocessor.
        * output.h: Likewise.
        * genconfig.c (main): Alwways define HAVE_peephole.
        * genpeep.c: Don't emit checks of HAVE_peephole.

2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * combine.c, expmed.c, expr.c, optabs.c optabs.h, toplev.c: DOn't
        check HAVE_conditional_move with the preprocessor.

2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * genconfig.c (main): Always define HAVE_conditional_move.
        * combine.c, expmed.c, expr.c, ifcvt.c, optabs.c, optabs.h,
        toplev.c, tree-ssa-phiopt.c: Don't check if HAVE_conditional_move
        is defined.

2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * combine.c, df-problems.c, df-scan.c, emit-rtl.c, reginfo.c,
        reload.c, rtlanal.c: Remove comparison of ARG_FRAME_POINTER_REGNUM
        and FRAME_POINTER_REGNUM with the preprocessor.

2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h: Add default for STACK_PUSH_CODE.
        * expr.c: Don't redefine STACK_PUSH_CODE.
        * recog.c: Likewise.

2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * builtins.c, dwarf2cfi.c, explow.c, expr.c, recog.c,
        sched-deps.c: Use if instead of preprocessor checks with
        STACK_GROWS_DOWNWARD.

2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * *.c: Check the value of STACK_GROWS_DOWNWARD rather than if it
        is defined.
        * config/**/*.h: Define STACK_GROWS_DOWNWARD to an integer.
        * defaults.h: Provide default for STACK_GROWS_DOWNWARD.
        * doc/tm.texi.in: Update references to STACK_GROWS_DOWNWARD.
        * doc/tm.texi: Regenerate.

2015-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/66232
        * config/i386/constraints.md (Bg): New constraint for GOT memory
        operand.
        * config/i386/i386.md (*call_got_x32): New pattern.
        (*call_value_got_x32): Likewise.
        * config/i386/predicates.md (GOT_memory_operand): New predicate.

2015-05-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/66233
        * match.pd (ocvt (icvt@1 @0)): Don't handle vector types.
        Simplify.

2015-05-21  Jeff Law  <law@redhat.com>

        * config/pa/pa.md (add-with-constant splitter): Use ASHIFT rather
        than MULT for shadd sequences.

2015-05-08  Jan Hubicka  <hubicka@ucw.cz>

        * alias.c (alias_stats): New static var.
        (alias_sets_conflict_p, alias_sets_must_conflict_p): Update stats.
        (dump_alias_stats_in_alias_c): New function.
        * alias.h (dump_alias_stats_in_alias_c): Declare.
        * tree-ssa-alias.c (dump_alias_stats): Call it.

2015-05-08  Michael Matz  <matz@suse.de>

        * tree-vectorizer.h (struct _stmt_vec_info): Rename stride_load_p
        to strided_p.
        (STMT_VINFO_STRIDE_LOAD_P): Rename to ...
        (STMT_VINFO_STRIDED_P): ... this.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust.
        (vect_verify_datarefs_alignment): Likewise.
        (vect_enhance_data_refs_alignment): Likewise.
        (vect_analyze_data_ref_access): Likewise.
        (vect_analyze_data_refs): Accept strided stores.
        * tree-vect-stmts.c (vect_model_store_cost): Count strided stores.
        (vect_model_load_cost): Adjust for macro rename.
        (vectorizable_mask_load_store): Likewise.
        (vectorizable_load): Likewise.
        (vectorizable_store): Open code strided stores.

2015-05-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * doc/sourcebuild.texi (7.2.3.9 Other hardware attributes):
        Document sqrt_insn.

2015-05-21  Richard Biener  <rguenther@suse.de>

        PR c++/66211
        * match.pd: Guard pattern optimzing (int)(float)int
        conversions to apply only on GIMPLE.

2015-05-21  Jeff Law  <law@redhat.com>

        * combine.c (find_split_point): Handle ASHIFT like MULT to encourage
        multiply-accumulate/shift-add insn generation.

2015-05-21  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/54236
        * config/sh/sh.md (*round_int_even): Reject pattern if operands[0] and
        operands[1] are the same.

2015-05-21  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR middle-end/66221
        * ipa-chkp.c (chkp_copy_function_type_adding_bounds): Use
        build_distinct_type_copy to copy bounds.

2015-05-21  Thomas Schwinge  <thomas@codesourcery.com>

        * genrecog.c (MAX_DEPTH, MIN_NUM_STATEMENTS, MAX_NUM_STATEMENTS):
        Change to unsigned int.

2015-05-20  Jeff Law  <law@redhat.com>

        * config/pa/pa.c (pa_print_operand): New 'o' output modifier.
        (pa_mem_shadd_constant_p): Renamed from pa_shadd_constant_p.
        (pa_shadd_constant_p): Allow constants for shadd insns rather
        than valid scaling constants for memory addresses.
        * config/pa/pa-protos.h (pa_mem_shadd_constant_p): Add prototype.
        * config/pa/predicates.md (mem_shadd_operand): New predicate.
        * config/pa/pa.md (shift-add insns using MULT): Use mem_shadd_operand.
        (shift-add insns using ASHIFT): New patterns.

2015-05-20  Mikhail Maltsev  <maltsevm@gmail.com>

        * bb-reorder.c (set_edge_can_fallthru_flag): Use rtx_jump_insn where
        feasible.
        (fix_up_fall_thru_edges): Likewise.
        (fix_crossing_conditional_branches): Likewise. Promote jump targets
        from to rtx_insn to rtx_code_label where feasible.
        * bt-load.c (move_btr_def): Remove as-a cast of the value returned by
        gen_move_insn (returned type changed to rtx_insn).
        * builtins.c (expand_errno_check): Fix arguments of
        do_compare_rtx_and_jump (now expects rtx_code_label).
        (expand_builtin_acc_on_device): Likewise.
        * cfgcleanup.c (try_simplify_condjump): Add cast when calling
        invert_jump (now exprects rtx_jump_insn).
        * cfgexpand.c (label_rtx_for_bb): Promote return type to rtx_code_label.
        (construct_init_block): Use rtx_code_label.
        * cfgrtl.c (block_label): Promote return type to rtx_code_label.
        (try_redirect_by_replacing_jump): Use cast to rtx_jump_insn when
        calling redirect_jump.
        (patch_jump_insn): Likewise.
        (redirect_branch_edge): Likewise.
        (force_nonfallthru_and_redirect): Likewise.
        (fixup_reorder_chain): Explicitly use rtx_jump_insn instead of rtx_insn
        when suitable.
        (rtl_lv_add_condition_to_bb): Update call of do_compare_rtx_and_jump.
        * cfgrtl.h: Promote return type of block_label to rtx_code_label.
        * config/bfin/bfin.c (hwloop_optimize): Fix call of emit_label_before.
        * config/i386/i386.c (ix86_emit_cmove): Explicitly use rtx_code_label
        to store the value retured by gen_label_rtx.
        * config/mips/mips.c (mips16_split_long_branches): Promote rtx_insn to
        rtx_jump_insn.
        * config/sh/sh.c (gen_far_branch): Likewise. Fix call of invert_jump.
        (split_branches): Fix calls of redirect_jump.
        * dojump.c (jumpifnot): Promote argument type from rtx to
        rtx_code_label.
        (jumpifnot_1): Likewise.
        (jumpif): Likewise.
        (jumpif_1): Likewise.
        (do_jump_1): Likewise.
        (do_jump): Likewise. Use rtx_code_label when feasible.
        (do_jump_by_parts_greater_rtx): Likewise.
        (do_jump_by_parts_zero_rtx): Likewise.
        (do_jump_by_parts_equality_rtx): Likewise.
        (do_compare_rtx_and_jump): Likewise.
        * dojump.h: Update function prototypes.
        * dse.c (emit_inc_dec_insn_before): Remove case (gen_move_insn now
        returns rtx_insn).
        * emit-rtl.c (emit_jump_insn_before_noloc): Promote return type to
        rtx_jump_insn.
        (emit_label_before): Likewise.
        (emit_jump_insn_after_noloc): Likewise.
        (emit_jump_insn_after_setloc): Likewise.
        (emit_jump_insn_after): Likewise
        (emit_jump_insn_before_setloc): Likewise.
        (emit_jump_insn_before): Likewise.
        (emit_label_before): Promote return type to rtx_code_label.
        (emit_label): Likewise.
        * except.c (sjlj_emit_dispatch_table): Use jump_target_rtx.
        * explow.c (emit_stack_save): Use gen_move_insn_uncast instead of
        gen_move_insn.
        (emit_stack_restore): Likewise.
        * expmed.c (emit_store_flag_force): Fix calls of do_compare_rtx_and_jump.
        (do_cmp_and_jump): Likewise.
        * expr.c (expand_expr_real_2): Likewise. Promote some local variables
        from rtx to rtx_code_label.
        (gen_move_insn_uncast): New function.
        * expr.h: Update return type of gen_move_insn (promote to rtx_insn).
        * function.c (convert_jumps_to_returns): Fix call of redirect_jump.
        * gcse.c (pre_insert_copy_insn): Use rtx_insn instead of rtx.
        * ifcvt.c (dead_or_predicable): Use rtx_jump_insn when calling
        invert_jump_1 and redirect_jump_1.
        * internal-fn.c (expand_arith_overflow_result_store): Fix call of
        do_compare_rtx_and_jump.
        (expand_addsub_overflow): Likewise.
        (expand_neg_overflow): Likewise.
        (expand_mul_overflow): Likewise.
        * ira.c (split_live_ranges_for_shrink_wrap): Use rtx_insn for
        return value of gen_move_insn.
        * jump.c (redirect_jump): Promote argument from rtx to rtx_jump_insn.
        * loop-doloop.c (add_test): Use rtx_code_label.
        (doloop_modify): Likewise.
        (doloop_optimize): Likewise.
        * loop-unroll.c (compare_and_jump_seq): Promote rtx to rtx_code_label.
        * lra-constraints.c (emit_spill_move): Remove cast of value returned
        by gen_move_insn.
        (inherit_reload_reg): Add cast when calling dump_insn_slim.
        (split_reg): Likewise.
        * modulo-sched.c (schedule_reg_moves): Remove cast of value returned by
        gen_move_insn.
        * optabs.c (expand_binop_directly): Remove casts of values returned by
        maybe_gen_insn.
        (expand_unop_direct): Likewise.
        (expand_abs): Likewise.
        (maybe_emit_unop_insn): Likewise.
        (maybe_gen_insn): Promote return type to rtx_insn.
        * optabs.h: Update prototype of maybe_gen_insn.
        * postreload-gcse.c (eliminate_partially_redundant_load): Remove
        redundant cast.
        * recog.c (struct peep2_insn_data): Promote type of insn field to
        rtx_insn.
        (peep2_reinit_state): Use NULL instead of NULL_RTX.
        (peep2_attempt): Remove casts of insn in peep2_insn_data.
        (peep2_fill_buffer): Promote argument from rtx to rtx_insn
        * recog.h (struct insn_gen_fn): Promote return types of function
        pointers and operator ().from rtx to rtx_insn.
        * reorg.c (fill_simple_delay_slots): Promote rtx_insn to rtx_jump_insn.
        (fill_eager_delay_slots): Likewise.
        (relax_delay_slots): Likewise.
        (make_return_insns): Likewise.
        (dbr_schedule): Likewise.
        (optimize_skips): Likewise.
        (reorg_redirect_jump): Likewise.
        (fill_slots_from_thread): Likewise.
        * reorg.h: Update prototypes.
        * resource.c (find_dead_or_set_registers): Use dyn_cast to
        rtx_jump_insn instead of check.  Use it's jump_target method.
        * rtl.h (rtx_jump_insn::jump_label): Define new method.
        (rtx_jump_insn::jump_target): Define new method.
        (rtx_jump_insn::set_jump_target): Define new method.
        * rtlanal.c (tablejump_p): Promote type of one local variable.
        * sched-deps.c (sched_analyze_2): Promote rtx to rtx_insn_list.
        (sched_analyze_insn): Likewise.
        * sched-vis.c (print_insn_with_notes): Promote rtx to rtx_insn.
        (print_insn): Likewise.
        * stmt.c (label_rtx): Promote return type to rtx_insn.
        (force_label_rtx): Likewise.
        (jump_target_rtx): Define new function.
        (expand_label): Use it, get rid of one cast.
        (expand_naked_return): Promote rtx to rtx_code_label.
        (do_jump_if_equal): Fix do_compare_rtx_and_jump call.
        (expand_case): Use rtx_code_label instread of rtx where feasible.
        (expand_sjlj_dispatch_table): Likewise.
        (emit_case_nodes): Likewise.
        * stmt.h: Declare jump_target_rtx.  Update prototypes.  Fix comments.
        * store-motion.c (insert_store): Make use of new return type of
        gen_move_insn and remove a cast.
        (replace_store_insn): Likewise.

2015-05-20  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.c (init_alignment_context): Replace MULT
        by BITS_PER_UNIT with ASHIFT by exact_log2 (BITS_PER_UNIT).

2015-05-20  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (mark_threaded_blocks): Properly
        dispose of the jump thread path when the jump threading
        opportunity is cancelled.

2015-05-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * diagnostic.c (diagnostic_print_caret_line): Fix off-by-one error
        when printing the caret character.

2015-05-20  Marek Polacek  <polacek@redhat.com>

        * cfgexpand.c (expand_debug_expr): Use UNARY_CLASS_P.

2015-05-20  Marek Polacek  <polacek@redhat.com>

        * expr.c (expand_cond_expr_using_cmove): Use COMPARISON_CLASS_P.
        * gimple-expr.c (gimple_cond_get_ops_from_tree): Likewise.
        * gimple-fold.c (canonicalize_bool): Likewise.
        (same_bool_result_p): Likewise.
        * tree-if-conv.c (parse_predicate): Likewise.

2015-05-20  Marek Polacek  <polacek@redhat.com>

        * gimple-fold.c (fold_const_aggregate_ref_1): Use DECL_P.
        * gimplify.c (gimplify_modify_expr_rhs): Likewise.

2015-05-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_class_max_nregs):
        Use UNITS_PER_VREG and UNITS_PER_WORD instead of their direct
        values.

2015-05-20  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.h (micromips_globals): Declare.

2015-05-20  David Malcolm  <dmalcolm@redhat.com>

        * timevar.def (TV_INITIALIZE_RTL): New.
        * toplev.c (initialize_rtl): Use an auto_timevar to account this
        function's time to TV_INITIALIZE_RTL.

2015-05-20  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-chkp.c (chkp_maybe_copy_and_register_bounds): Remove useless
        gimple_build_nop calls.
        (chkp_find_bounds_for_elem): Likewise.
        (chkp_get_zero_bounds): Likewise.
        (chkp_get_none_bounds): Likewise.
        (chkp_get_bounds_by_definition): Likewise.
        (chkp_generate_extern_var_bounds): Likewise.
        (chkp_get_bounds_for_decl_addr): Likewise.
        (chkp_get_bounds_for_string_cst): Likewise.

2015-05-20  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/65447
        * tree-ssa-loop-ivopts.c (struct iv_use): New fields.
        (dump_use, dump_uses): Support to dump sub use.
        (record_use): New parameters to support sub use.  Remove call to
        dump_use.
        (record_sub_use, record_group_use): New functions.
        (compute_max_addr_offset, split_all_small_groups): New functions.
        (group_address_uses, rewrite_use_address): New functions.
        (strip_offset): New declaration.
        (find_interesting_uses_address): Call record_group_use.
        (add_candidate): New assertion.
        (infinite_cost_p): Move definition forward.
        (add_costs): Check INFTY cost and return immediately.
        (get_computation_cost_at): Clear setup cost and dependent bitmap
        for sub uses.
        (determine_use_iv_cost_address): Compute cost for sub uses.
        (rewrite_use_address_1): Rename from old rewrite_use_address.
        (free_loop_data): Free sub uses.
        (tree_ssa_iv_optimize_loop): Call group_address_uses.

2015-05-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
            Jim Wilson  <jim.wilson@linaro.org>

        * config/arm/aarch-common-protos.h (struct mem_cost_table): Added
        new  fields loadv and storev.
        * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
        Initialize loadv and storev.
        * config/arm/aarch-cost-tables.h (generic_extra_costs): Likewise.
        (cortexa53_extra_costs): Likewise.
        (cortexa57_extra_costs): Likewise.
        (xgene1_extra_costs): Likewise.
        * config/aarch64/aarch64.c (aarch64_rtx_costs): Update vector
        rtx_costs.

2015-05-20  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * config/arm/arm.c (cortexa9_extra_costs): Initialize loadv and
         storev.
        (cortexa8_extra_costs): Likewise.
        (cortexa5_extra_costs): Likewise.
        (cortexa7_extra_costs): Likewise.
        (cortexa12_extra_costs): Likewise.
        (cortexa15_extra_costs): Likewise.
        (v7m_extra_costs): Likewise.

2015-05-20  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (thread_single_edge): Use delete_jump_thread
        instead of open-coded version.  Also delete the jump thread created
        within this function.

2015-05-20  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Return
        stack adjusting insn.  Formatting.
        (rs6000_emit_prologue): Track stack adjusting insn, and use of
        r12.  If possible, emit first -fsplit-stack arg pointer insn
        before stack adjust.  Don't use r12 to save cr if split-stack.

2015-05-20  Alan Modra  <amodra@gmail.com>

        * common/config/rs6000/rs6000-common.c (TARGET_SUPPORTS_SPLIT_STACK):
        Define.
        (rs6000_supports_split_stack): New function.
        * config/rs6000/rs6000.c (machine_function): Add
        split_stack_arg_pointer.
        (TARGET_EXTRA_LIVE_ON_ENTRY, TARGET_INTERNAL_ARG_POINTER): Define.
        (setup_incoming_varargs): Use crtl->args.internal_arg_pointer
        rather than virtual_incoming_args_rtx.
        (rs6000_va_start): Likewise.
        (split_stack_arg_pointer_used_p): New function.
        (rs6000_emit_prologue): Set up arg pointer for -fsplit-stack.
        (morestack_ref): New var.
        (gen_add3_const, rs6000_expand_split_stack_prologue,
        rs6000_internal_arg_pointer, rs6000_live_on_entry,
        rs6000_split_stack_space_check): New functions.
        (rs6000_elf_file_end): Call file_end_indicate_split_stack.
        * config/rs6000/rs6000.md (UNSPEC_STACK_CHECK): Define.
        (UNSPECV_SPLIT_STACK_RETURN): Define.
        (split_stack_prologue, load_split_stack_limit,
        load_split_stack_limit_di, load_split_stack_limit_si,
        split_stack_return, split_stack_space_check): New expands and insns.
        * config/rs6000/rs6000-protos.h
        (rs6000_expand_split_stack_prologue): Declare.
        (rs6000_split_stack_space_check): Declare.

2015-05-20  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (struct rs6000_stack): Correct comments.
        (direct_return): Test vrsave_size rather than vrsave_mask.
        (rs6000_emit_prologue): Likewise.  Remove redundant altivec tests.
        (rs6000_emit_epilogue): Likewise.

2015-05-20  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): Don't zero offsets
        when not saving registers.
        (debug_stack_info): Adjust to omit printing unused offsets,
        as before.
        (rs6000_emit_epilogue): Adjust use_backchain_to_restore_sp
        expression.

2015-05-19  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        PR c++/65835
        * config/i386/winnt.c (struct wrapped_symbol_hasher): Change
        value_type to const char *.

2015-05-19  Sandra Loosemore  <sandra@codesourcery.com>

        * config.gcc [powerpc*-*-linux*]: Allow --enable-targets=all
        to build a biarch toolchain again.

2015-05-19  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (type_in_anonymous_namespace_p): Return true
        or implicit declarations.
        (odr_type_p): Check that TYPE_NAME is TYPE_DECL before looking
        into it.
        (get_odr_type): Check type has linkage before adding bases.
        (register_odr_type): Check that type has linkage before adding it.
        (type_known_to_have_no_deriavations_p): Rename to ..
        (type_known_to_have_no_derivations_p): This one.
        * ipa-utils.h (type_known_to_have_no_deriavations_p): Rename to ..
        (type_known_to_have_no_derivations_p): This one.
        * ipa-polymorphic-call.c
        (ipa_polymorphic_call_context::restrict_to_inner_type): Check that
        type has linkage.

2015-05-19  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (finalize_type_size): Use AGGREGATE_TYPE_P.
        (layout_type): Use RECORD_OR_UNION_TYPE_P.

2015-05-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_vector_bool_type_p): New function.
        (s390_invalid_binary_op): New function.
        (TARGET_INVALID_BINARY_OP): Define macro.

2015-05-19  David Sherwood  <david.sherwood@arm.com>

        * loop-invariant.c (create_new_invariant): Don't calculate address cost
        if mode is not a scalar integer.
        (get_inv_cost): Increase computational cost for unused invariants.

2015-05-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config.gcc: Add vecintrin.h to extra_headers.  Add s390-c.o to
        c_target_objs and cxx_target_objs.  Add t-s390 to tmake_file.
        * config/s390/s390-builtin-types.def: New file.
        * config/s390/s390-builtins.def: New file.
        * config/s390/s390-builtins.h: New file.
        * config/s390/s390-c.c: New file.
        * config/s390/s390-modes.def: Add modes CCVEQANY, CCVH,
        CCVHANY, CCVHU, CCVHUANY, CCVFHANY, CCVFHEANY.
        * config/s390/s390-protos.h (s390_expand_vec_compare_cc)
        (s390_cpu_cpp_builtins, s390_register_target_pragmas): Add
        prototypes.
        * config/s390/s390.c (s390-builtins.h, s390-builtins.def):
        Include.
        (flags_builtin, flags_overloaded_builtin_var, s390_builtin_types)
        (s390_builtin_fn_types, s390_builtin_decls, code_for_builtin): New
        variable definitions.
        (s390_const_operand_ok): New function.
        (s390_expand_builtin): Rewrite.
        (s390_init_builtins): New function.
        (s390_handle_vectorbool_attribute): New function.
        (s390_attribute_table): Add s390_vector_bool attribute.
        (s390_match_ccmode_set): Handle new cc modes CCVH, CCVHU.
        (s390_branch_condition_mask): Generate masks for new modes.
        (s390_expand_vec_compare_cc): New function.
        (s390_mangle_type): Add mangling for vector bool types.
        (enum s390_builtin): Remove.
        (s390_atomic_assign_expand_fenv): Rename constants for sfpc and
        efpc builtins.
        * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Call
        s390_cpu_cpp_builtins.
        (REGISTER_TARGET_PRAGMAS): New macro.
        * config/s390/s390.md: Define more UNSPEC_VEC_* constants.
        (insn_cmp mode attribute): Add new CC modes.
        (s390_sfpc, s390_efpc): Rename patterns to sfpc and efpc.
        (lcbb): New pattern definition.
        * config/s390/s390intrin.h: Include vecintrin.h.
        * config/s390/t-s390: New file.
        * config/s390/vecintrin.h: New file.
        * config/s390/vector.md: Include vx-builtins.md.
        * config/s390/vx-builtins.md: New file.S/390 zvector builtin
        support.

2015-05-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-modes.def: Add new modes CCVEQ, CCVFH, and
        CCVFHE.
        * config/s390/s390.c (s390_match_ccmode_set): Handle new modes.
        (s390_select_ccmode): Likewise.
        (s390_canonicalize_comparison): Swap operands if necessary.
        (s390_expand_vec_compare_scalar): Expand DFmode compare using
        single element vector instructions.
        (s390_emit_compare): Call s390_expand_vec_compare_scalar.
        (s390_branch_condition_mask): Generate CC masks for the new modes.
        * config/s390/s390.md (v0, vf, vd): New mode attributes.
        (VFCMP, asm_fcmp, insn_cmp): New mode iterator and attributes.
        (*vec_cmp<insn_cmp>df_cconly, *fixuns_truncdfdi2_z13)
        (*fix_trunc<BFP:mode><GPR:mode>2_bfp, *floatunsdidf2_z13)
        (*floatuns<GPR:mode><FP:mode>2, *extendsfdf2_z13)
        (*extend<DSF:mode><BFP:mode>2): New insn definition.
        (fix_trunc<BFP:mode><GPR:mode>2_bfp, loatuns<GPR:mode><FP:mode>2)
        (extend<DSF:mode><BFP:mode>2): Turn into expander.
        (floatdi<mode>2, truncdfsf2, add<mode>3, sub<mode>3, mul<mode>3)
        (div<mode>3, *neg<mode>2, *abs<mode>2, *negabs<mode>2)
        (sqrt<mode>2): Add vector instruction.

2015-05-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/constraints.md (j00, jm1, jxx, jyy, v): New
        constraints.
        * config/s390/predicates.md (const0_operand, constm1_operand)
        (constable_operand): Accept vector operands.
        * config/s390/s390-modes.def: Add supported vector modes.
        * config/s390/s390-protos.h (s390_cannot_change_mode_class)
        (s390_function_arg_vector, s390_contiguous_bitmask_vector_p)
        (s390_bytemask_vector_p, s390_expand_vec_strlen)
        (s390_expand_vec_compare, s390_expand_vcond)
        (s390_expand_vec_init): Add prototypes.
        * config/s390/s390.c (VEC_ARG_NUM_REG): New macro.
        (s390_vector_mode_supported_p): New function.
        (s390_contiguous_bitmask_p): Mask out the irrelevant bits.
        (s390_contiguous_bitmask_vector_p): New function.
        (s390_bytemask_vector_p): New function.
        (s390_split_ok_p): Vector regs don't work either.
        (regclass_map): Add VEC_REGS.
        (s390_legitimate_constant_p): Handle vector constants.
        (s390_cannot_force_const_mem): Handle CONST_VECTOR.
        (legitimate_reload_vector_constant_p): New function.
        (s390_preferred_reload_class): Handle CONST_VECTOR.
        (s390_reload_symref_address):  Likewise.
        (s390_secondary_reload): Vector memory instructions only support
        short displacements.  Rename reload*_nonoffmem* to reload*_la*.
        (s390_emit_ccraw_jump): New function.
        (s390_expand_vec_strlen): New function.
        (s390_expand_vec_compare): New function.
        (s390_expand_vcond): New function.
        (s390_expand_vec_init): New function.
        (s390_dwarf_frame_reg_mode): New function.
        (print_operand): Handle addresses with 'O' and 'R' constraints.
        (NR_C_MODES, constant_modes): Add vector modes.
        (s390_output_pool_entry): Handle vector constants.
        (s390_hard_regno_mode_ok): Handle vector registers.
        (s390_class_max_nregs): Likewise.
        (s390_cannot_change_mode_class): New function.
        (s390_invalid_arg_for_unprototyped_fn): New function.
        (s390_function_arg_vector): New function.
        (s390_function_arg_float): Remove size variable.
        (s390_pass_by_reference): Handle vector arguments.
        (s390_function_arg_advance): Likewise.
        (s390_function_arg): Likewise.
        (s390_return_in_memory): Vector values are returned in a VR if
        possible.
        (s390_function_and_libcall_value): Handle vector arguments.
        (s390_gimplify_va_arg): Likewise.
        (s390_call_saved_register_used): Consider the arguments named.
        (s390_conditional_register_usage): Disable v16-v31 for non-vec
        targets.
        (s390_preferred_simd_mode): New function.
        (s390_support_vector_misalignment): New function.
        (s390_vector_alignment): New function.
        (TARGET_STRICT_ARGUMENT_NAMING, TARGET_DWARF_FRAME_REG_MODE)
        (TARGET_VECTOR_MODE_SUPPORTED_P)
        (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN)
        (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
        (TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT)
        (TARGET_VECTOR_ALIGNMENT): Define target macro.
        * config/s390/s390.h (FUNCTION_ARG_PADDING): Define macro.
        (FIRST_PSEUDO_REGISTER): Increase value.
        (VECTOR_NOFP_REGNO_P, VECTOR_REGNO_P, VECTOR_NOFP_REG_P)
        (VECTOR_REG_P): Define macros.
        (FIXED_REGISTERS, CALL_USED_REGISTERS)
        (CALL_REALLY_USED_REGISTERS, REG_ALLOC_ORDER)
        (HARD_REGNO_CALL_PART_CLOBBERED, REG_CLASS_NAMES)
        (FUNCTION_ARG_REGNO_P, FUNCTION_VALUE_REGNO_P, REGISTER_NAMES):
        Add vector registers.
        (CANNOT_CHANGE_MODE_CLASS): Call C function.
        (enum reg_class): Add VEC_REGS, ADDR_VEC_REGS, GENERAL_VEC_REGS.
        (SECONDARY_MEMORY_NEEDED): Allow SF<->SI mode moves without
        memory.
        (DBX_REGISTER_NUMBER, FIRST_VEC_ARG_REGNO, LAST_VEC_ARG_REGNO)
        (SHORT_DISP_IN_RANGE, VECTOR_STORE_FLAG_VALUE): Define macro.
        * config/s390/s390.md (UNSPEC_VEC_*): New constants.
        (VR*_REGNUM): New constants.
        (ALL): New mode iterator.
        (INTALL): Remove mode iterator.
        Include vector.md.
        (movti): Implement TImode moves for VRs.
        Disable TImode splitter for VR targets.
        Implement splitting TImode GPR<->VR moves.
        (reload*_tomem_z10, reload*_toreg_z10): Replace INTALL with ALL.
        (reload<mode>_nonoffmem_in, reload<mode>_nonoffmem_out): Rename to
        reload<mode>_la_in, reload<mode>_la_out.
        (*movdi_64, *movsi_zarch, *movhi, *movqi, *mov<mode>_64dfp)
        (*mov<mode>_64, *mov<mode>_31): Add vector instructions.
        (TD/TF mode splitter): Enable for GPRs only (formerly !FP).
        (mov<mode> SF SD): Prefer lder, lde for loading.
        Add lrl and strl instructions.
        Add vector instructions.
        (strlen<mode>): Rename old strlen<mode> to strlen_srst<mode>.
        Call s390_expand_vec_strlen on z13.
        (*cc_to_int): Change predicate to nonimmediate_operand.
        (addti3): Rename to *addti3.  New expander.
        (subti3): Rename to *subti3.  New expander.
        * config/s390/vector.md: New file.

2015-05-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * common/config/s390/s390-common.c (processor_flags_table): Add
        z13.
        * config.gcc: Add z13.
        * config/s390/s390-opts.h (enum processor_type): Add
        PROCESSOR_2964_Z13.
        * config/s390/s390.c (s390_adjust_priority): Check for
        PROCESSOR_2964_Z13.
        (s390_reorg): Likewise.
        (s390_sched_reorder): Likewise.
        (s390_sched_variable_issue): Likewise.
        (s390_loop_unroll_adjust): Likewise.
        (s390_option_override): Likewise. Default to -mvx when available.
        * config/s390/s390.h (enum processor_flags): Add PF_Z13 and PF_VX.
        (TARGET_CPU_Z13, TARGET_CPU_VX, TARGET_Z13, TARGET_VX)
        (TARGET_VX_ABI): Define macros.
        macros.
        (TARGET_DEFAULT): Add MASK_OPT_VX.
        * config/s390/s390.md ("cpu" attribute): Add z13.
        ("cpu_facility" attribute): Add vec.
        * config/s390/s390.opt (processor_type): Add z13.
        (mvx): New options.
        * doc/invoke.texi: Add z13 option for -march.

2015-05-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/predicates.md (shift_count_or_setmem_operand): Add
        mode check to make sure that only scalar integer values are
        accepted.

2015-05-19  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (verify_type_variant): Fix #undef.
        (gimple_canonical_types_compatible_p): Move here from lto.c
        (verify_type): Verify TYPE_CANONICAL compatibility.
        * tree.h (gimple_canonical_types_compatible_p): Declare.

2015-05-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/66199
        * tree.h (OMP_TEAMS_COMBINED): Define.
        * gimplify.c (enum gimplify_omp_var_data): Add
        GOVD_LINEAR_LASTPRIVATE_NO_OUTER.
        (enum omp_region_type): Add ORT_COMBINED_TEAMS.
        (omp_notice_variable): Accept both ORT_TEAMS
        and ORT_COMBINED_TEAMS.  Don't recurse if
        GOVD_LINEAR_LASTPRIVATE_NO_OUTER is set and either
        GOVD_LINEAR is set, or GOVD_LASTPRIVATE without
        GOVD_FIRSTPRIVATE.
        (omp_no_lastprivate): New function.
        (gimplify_scan_omp_clauses): For OMP_CLAUSE_LASTPRIVATE
        and OMP_CLAUSE_LINEAR, if omp_no_lastprivate, don't
        notice_outer and set appropriate bits, otherwise make
        sure default(none) combined constructs won't complain.
        (gimplify_adjust_omp_clauses): Remove OMP_CLAUSE_LINEAR
        outer special casing, for OMP_CLAUSE_LASTPRIVATE if
        omp_no_lastprivate either remove the clause or turn it
        into OMP_CLAUSE_PRIVATE.
        (gimplify_omp_for): Fix up handling of implicit
        lastprivate or linear iterators.
        (gimplify_omp_workshare): For OMP_TEAMS_COMBINED use
        ORT_COMBINED_TEAMS.
        * omp-low.c (lower_omp_for_lastprivate): For combined
        for simd use fd.loop.n2 from the for rather than simd.

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * config/cris/cris.c (cris_expand_prologue): Use gen_raw_REG
        instead of gen_rtx_raw_REG.
        (cris_expand_epilogue): Likewise.
        * config/microblaze/microblaze.c (microblaze_classify_address):
        Likewise.
        * config/sparc/sparc.md: Likewise.

2015-05-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_legitimize_reload_address)
        (alpha_preferred_reload_class, alpha_legitimate_constant_p): Use
        CONST_INT_P, CONST_SCALAR_INT_P and CONST_DOUBLE_P predicates.
        (alpha_split_reload_pair) <case CONST_INT, case CONST_WIDE_INT>:
        Use CASE_CONST_SCALAR_INT.
        (print_operand) <case 'M'>: Use mode_width_operand to check the
        value of the constant.
        * config/alpha/alpha.md (movti): Use CONST_SCALAR_INT_P predicate.
        * config/alpha/predicates.md (input_operand): Use general_operand
        instead of match_code as operand check.
        (symbolic_operand): Use match_code with subexpression digits.
        * config/alpha/constraints.md (Q): Ditto.

2015-05-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * optabs.c (expand_vec_perm): Don't re-use SEL as target operand.

2015-05-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_secondary_reload): Fix check for
        load/store relative.

2015-05-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * recog.h: Increase MAX_RECOG_ALTERNATIVES.  Change type of
        alternative_mask to uint64_t.

2015-05-19  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/66187
        * match.pd ((bit_and (plus/minus (convert @0) (convert @1)) mask)):
        Pass TYPE_SIGN to tree_int_cst_min_precision.  If
        !TYPE_OVERFLOW_WRAPS, ensure @4 is non-negative.

2015-05-19  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic.c (diagnostic_report_current_module): Strengthen
        local "new_map" from const line_map * to
        const line_map_ordinary *.
        * genmatch.c (error_cb): Likewise for local "map".
        (output_line_directive): Likewise for local "map".
        * input.c (expand_location_1): Likewise for local "map".
        Pass NULL rather than &map to
        linemap_unwind_to_first_non_reserved_loc, since the value is never
        read from there, and the value written back not read from here.
        (is_location_from_builtin_token): Strengthen local "map" from
        const line_map * to const line_map_ordinary *.
        (dump_location_info): Strengthen locals "map" from
        line_map *, one to const line_map_ordinary *, the other
        to const line_map_macro *.
        * tree-diagnostic.c (loc_map_pair): Strengthen field "map" from
        const line_map * to const line_map_macro *.
        (maybe_unwind_expanded_macro_loc): Add a call to
        linemap_check_macro when writing to the "map" field of the
        loc_map_pair.
        Introduce local const line_map_ordinary * "ord_map", using it in
        place of "map" in the part of the function where we know we have
        an ordinary map.  Strengthen local "m" from const line_map * to
        const line_map_ordinary *.

2015-05-19  Nick Clifton  <nickc@redhat.com>

        PR target/66156
        * config/msp430/msp430.md (zero_extendhisi2): Add support for
        separate source and destination registers.

2015-05-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66165
        * tree-vect-slp.c (vect_supported_load_permutation_p): Add guard
        for no load permutation.

        PR tree-optimization/66185
        * tree-vect-slp.c (vect_build_slp_tree): Properly roll back
        when building the SLP node from scalars.

2015-05-19  Eric Botcazou  <ebotcazou@adacore.com>
            Tristan Gingold  <gingold@adacore.com>

        * insn-notes.def (UPDATE_SJLJ_CONTEXT): New note.
        * builtins.c (expand_builtin_update_setjmp_buf): Make global.
        (expand_stack_restore): Call record_new_stack_level.
        (expand_stack_save): Do not call do_pending_stack_adjust.
        * builtins.h (expand_builtin_update_setjmp_buf): Declare.
        * calls.c (expand_call): Call record_new_stack_level for alloca.
        * except.c (sjlj_mark_call_sites): Expand builtin_update_setjmp_buf
        wherever a NOTE_INSN_UPDATE_SJLJ_CONTEXT note is present.
        (update_sjlj_context): New global function.
        * except.h (update_sjlj_context): Declare.
        * explow.c (record_new_stack_level): New global function.
        (allocate_dynamic_stack_space): Call record_new_stack_level.
        * explow.h (record_new_stack_level): Declare.
        * final.c (final_scan_insn): Deal with NOTE_INSN_UPDATE_SJLJ_CONTEXT.
        * cfgrtl.c (duplicate_insn_chain): Likewise.

2015-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * calls.c: Always define STACK_GROWS_DOWNWARD as 0 or 1.
        (mem_overlaps_already_clobbered_arg_p): Rewrite ifdef
        STACK_GROWS_DOWNWARD as normal if.
        (expand_call): Likewise.

2015-05-19  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/54236
        * config/sh/sh.md (*round_int_even): New insn_and_split and
        accompanying new unnamed split.

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * bitmap.c (bitmap_set_range): Handle count==1 specially.
        (bitmap_clear_range): Likewise.
        * cfgcleanup.c (mark_effect): Use bitmap_clear_range and
        bitmap_set_range unconditionally.
        * df-problems.c (df_simulate_one_insn_forwards): Likewise.
        * df-scan.c (df_mark_reg): Likewise.
        * haifa-sched.c (setup_ref_regs): Likewise.
        * sched-rgn.c (update_live_1): Likewise.

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * regs.h (END_HARD_REGNO): Delete.
        (END_REGNO): Move to...
        * rtl.h: ...here.
        * bt-load.c (note_btr_set): Use END_REGNO instead of END_HARD_REGNO.
        * caller-save.c (mark_set_regs): Likewise.
        * combine.c (move_deaths, distribute_notes): Likewise.
        * cse.c (invalidate, invalidate_for_call): Likewise.
        * df-scan.c (df_ref_record): Likewise.
        * postreload-gcse.c (reg_changed_after_insn_p): Likewise.
        (record_last_reg_set_info): Likewise.
        * reg-stack.c (convert_regs_exit): Likewise.
        * reload.c (reg_overlap_mentioned_for_reload_p): Likewise.
        * resource.c (update_live_status): Likewise.
        * rtlanal.c (find_reg_fusage, find_regno_fusage): Likewise.

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (reg_info): Add an nregs field.
        (REG_NREGS): Use it.
        (SET_REGNO_RAW): Delete.
        (set_regno_raw): New function.
        * regs.h (END_HARD_REGNO): Make equivalent to END_REGNO.
        (END_REGNO): Redefine in terms of REG_NREGS.
        * read-rtl.c (read_rtx_code): Call set_regno_raw instead of
        SET_REGNO_RAW.
        * emit-rtl.c (set_mode_and_regno): Likewise.
        * df-scan.c (df_ref_change_reg_with_loc): Use set_mode_and_regno
        instead of SET_REGNO_RAW.

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (PUT_MODE_RAW): New macro.
        (PUT_REG_NOTE_KIND): Use it.
        (set_mode_and_regno): Declare.
        (gen_raw_REG): Change regno to "unsigned int".
        (gen_rtx_REG): Change "unsigned" to "unsigned int".
        (PUT_MODE): Forward to PUT_MODE_RAW for generators, otherwise
        use set_mode_and_regno to change the mode of registers.
        * gengenrtl.c (gendef): Use PUT_MODE_RAW.
        * emit-rtl.c (set_mode_and_regno): New function.
        (gen_raw_REG): Change regno to unsigned int.  Use set_mode_and_regno.
        * caller-save.c (reg_save_code): Use set_mode_and_regno.
        * expr.c (init_expr_target): Likewise.
        * ira.c (setup_prohibited_mode_move_regs): Likewise.
        * postreload.c (reload_cse_simplify_operands): Likewise.

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * caller-save.c (init_caller_save): Use word_mode and
        FIRST_PSEUDO_REGISTER when creating temporary rtxes.
        * expr.c (init_expr_target): Likewise.
        * ira.c (setup_prohibited_mode_move_regs): Likewise.
        * postreload.c (reload_cse_regs_1): Likewise.

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.def (REG): Change format to "r".
        * rtl.h (rtunion): Remove rt_reg.
        (reg_info): New structure.
        (rtx_def): Add reg field to main union.
        (X0REGATTR): Delete.
        (REG_CHECK): New macro.
        (SET_REGNO_RAW, rhs_regno, REG_ATTRS): Use it.
        * rtl.c (rtx_format): Document "r".
        (rtx_code_size): Handle REG specially.
        * gengenrtl.c (special_format): Return true for formats
        that include 'r'.
        * gengtype.c (adjust_field_rtx_def): Handle 'r' fields.
        Deal with REG_ATTRS after the field loop.
        * emit-rtl.c (gen_raw_REG): Call rtx_alloc_stat directly.
        * expmed.c (init_expmed): Call gen_raw_REG instead of
        gen_rtx_raw_REG.
        * expr.c (init_expr_target): Likewise.
        * regcprop.c (maybe_mode_change): Likewise.
        * varasm.c (make_decl_rtl): Likewise.
        * final.c (leaf_renumber_regs_insn): Return early after
        handling REGs.
        * genemit.c (gen_exp): Handle 'r' fields.
        * genpeep.c (match_rtx): Likewise.
        * gensupport.c (subst_pattern_match): Likewise.
        (get_alternatives_number, collect_insn_data, alter_predicate_for_insn)
        (alter_constraints, subst_dup): Likewise.
        * read-rtl.c (read_rtx_code): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * genrecog.c (find_operand, find_matching_operand): Likewise.
        (validate_pattern, match_pattern_2): Likewise.
        (parameter::UINT, rtx_test::REGNO_FIELD): New enum values.
        (rtx_test::regno_field): New function.
        (operator ==, safe_to_hoist_p, transition_parameter_type)
        (parameter_type_string, print_parameter_value)
        (print_nonbool_test, print_test): Handle new enum values.
        * cselib.c (rtx_equal_for_cselib_1): Handle REG specially.
        * lra-constraints.c (operands_match_p): Likewise.

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * df.h (df_ref_change_reg_with_loc): Remove old_regno parameter.
        Change type of new_regno to unsigned int.
        * df-scan.c (df_ref_change_reg_with_loc_1): Change type of
        new_regno to unsigned int.
        (df_ref_change_reg_with_loc): Remove old_regno parameter.
        Change type of new_regno to unsigned int.  Use SET_REGNO_RAW.
        * rtl.h (SET_REGNO): Update call to df_ref_change_reg_with_loc.
        (SET_REGNO_RAW): Add space after ",".

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (REG_NREGS): New macro
        * alias.c (record_set): Use it.
        * cfgcleanup.c (mark_effect): Likewise.
        * combine.c (likely_spilled_retval_1): Likewise.
        (likely_spilled_retval_p, can_change_dest_mode): Likewise.
        (move_deaths, distribute_notes): Likewise.
        * cselib.c (cselib_record_set): Likewise.
        * df-problems.c (df_simulate_one_insn_forwards): Likewise.
        * df-scan.c (df_mark_reg): Likewise.
        * dse.c (look_for_hardregs): Likewise.
        * dwarf2out.c (reg_loc_descriptor): Likewise.
        (multiple_reg_loc_descriptor): Likewise.
        * expr.c (write_complex_part, read_complex_part): Likewise.
        (emit_move_complex): Likewise.
        * haifa-sched.c (setup_ref_regs): Likewise.
        * ira-lives.c (mark_hard_reg_live): Likewise.
        * lra.c (lra_set_insn_recog_data): Likewise.
        * mode-switching.c (create_pre_exit): Likewise.
        * postreload.c (reload_combine_recognize_const_pattern): Likewise.
        (reload_combine_recognize_pattern): Likewise.
        (reload_combine_note_use, move2add_record_mode): Likewise.
        (reload_cse_move2add): Likewise.
        * reg-stack.c (subst_stack_regs_pat): Likewise.
        * regcprop.c (kill_value, copy_value): Likewise.
        (copyprop_hardreg_forward_1): Likewise.
        * regrename.c (verify_reg_in_set, scan_rtx_reg): Likewise.
        (build_def_use): Likewise.
        * sched-deps.c (mark_insn_reg_birth, mark_reg_death): Likewise.
        (deps_analyze_insn): Likewise.
        * sched-rgn.c (check_live_1, update_live_1): Likewise.
        * sel-sched.c (count_occurrences_equiv): Likewise.
        * valtrack.c (dead_debug_insert_temp): Likewise.

2015-05-19  Richard Sandiford  <richard.sandiford@arm.com>

        * cfgcleanup.c (mentions_nonequal_regs): Use END_REGNO.
        * dse.c (note_add_store): Likewise.
        * ira-lives.c (mark_hard_reg_dead): Likewise.
        * loop-invariant.c (mark_reg_store): Likewise.
        (mark_reg_death): Likewise.
        * postreload.c (reload_combine): Likewise.
        (reload_combine_note_store): Likewise.
        (reload_combine_note_use): Likewise.
        * recog.c (peep2_reg_dead_p): Likewise.

2015-05-19  Alan Modra  <amodra@gmail.com>

        * config/rs6000/predicates.md (gpc_reg_operand): Don't allow all
        hard registers numbered greater or equal to ARG_POINTER_REGNUM.
        (reg_or_neg_short_operand, fix_trunc_dest_operand): Delete
        unused predicates.
        * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*):
        Use altivec_register_operand.  Make insn predicate TARGET_ALTIVEC.
        * config/rs6000/rs6000.md (extzvdi_internal2): Use cc_reg_operand.
        * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Expand comment.

2015-05-19  Sameera Deshpande  <Sameera.Deshpande@imgtec.com>

        * config/mips/mips.md (JOIN_MODE): New mode iterator.
        (join2_load_Store<JOIN_MODE:mode>): New pattern.
        (join2_loadhi): Likewise.
        (define_peehole2): Add peephole2 patterns to join 2 HI/SI/SF/DF-mode
        load-load and store-stores.
        * config/mips/mips.opt (mload-store-pairs): New option.
        (TARGET_LOAD_STORE_PAIRS): New macro.
        * config/mips/mips.h (ENABLE_LD_ST_PAIRS): Likewise.
        * config/mips/mips-protos.h (mips_load_store_bonding_p): New prototype.
        * config/mips/mips.c (mips_load_store_bonding_p): New function.

2015-05-19  Mikhail Maltsev  <maltsevm@gmail.com>

        * bb-reorder.c (fix_up_fall_thru_edges): Use std::swap instead of
        explicit swaps.
        * dojump.c (do_compare_rtx_and_jump): Likewise.
        * expmed.c (emit_store_flag_1): Likewise.
        * fibonacci_heap.h (fibonacci_heap::union_with): Likewise.
        * final.c (sprint_ul): Use std::reverse for reversing a string.
        * fold-const.c (extract_muldiv_1): Use std::swap.
        * genmodes.c (emit_mode_int_n): Likewise.
        * ifcvt.c (dead_or_predicable): Likewise.
        * ira-build.c (ira_merge_live_ranges): Likewise.
        (swap_allocno_copy_ends_if_necessary): Likewise.
        * ira.c (ira_setup_alts): Likewise.
        * loop-iv.c (iv_analyze_expr): Likewise.
        (implies_p): Likewise.
        (canon_condition): Likewise.
        * lra-constraints.c (swap_operands): Likewise.
        * lra-lives.c (lra_merge_live_ranges): Likewise.
        * omega.c (swap): Remove.
        (bswap): Remove.
        (omega_unprotect_1): Use std::swap.
        (omega_solve_geq): Likewise.
        * optabs.c (expand_binop_directly): Likewise.
        (expand_binop): Likewise.
        (emit_conditional_move): Likewise.
        (emit_conditional_add): Likewise.
        * postreload.c (reload_cse_simplify_operands): Likewise.
        * reg-stack.c (emit_swap_insn): Likewise.
        (swap_to_top): Likewise.
        (compare_for_stack_reg): Likewise.
        (subst_asm_stack_regs): Likewise.
        * reload.c (find_reloads): Likewise.
        * reload1.c (gen_reload_chain_without_interm_reg_p): Likewise.
        * sel-sched.c (invoke_reorder_hooks): Likewise.
        (create_block_for_bookkeeping): Likewise.
        * tree-data-ref.c (lambda_matrix_row_exchange): Remove.
        (lambda_matrix_right_hermite): Use std::swap.
        * tree-ssa-coalesce.c (sort_coalesce_list): Likewise.
        * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
        * tree-ssa-loop-ivopts.c (iv_ca_delta_reverse): Likewise.
        * tree-ssa-math-opts.c (is_widening_mult_p): Likewise.
        * tree-ssa-phiopt.c (hoist_adjacent_loads): Likewise.
        * tree-ssa-reassoc.c (linearize_expr_tree): Likewise.
        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
        * tree-vrp.c (compare_ranges): Likewise.
        * var-tracking.c (add_with_sets): Likewise.
        (vt_find_locations): Likewise.

2015-05-18  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/freebsd-spec.h (FBSD_STARTFILE_SPEC): Add the bits to build
        pie executables.
        (FBSD_ENDFILE_SPEC): Likewise.
        * config/i386/freebsd.h (STARTFILE_SPEC): Remove and use the one from
        config/freebsd-spec.h.
        (ENDFILE_SPEC): Likewise.

2015-05-18  Uros Bizjak  <ubizjak@gmail.com>
            Richard Henderson  <rth@redhat.com>

        PR target/57032
        * config/alpha/constraints.md (Q): Rewrite as define_memory_constraint.
        Check for a memory location that is not a reference (using an AND)
        to an unaligned location here.
        * config/alpha/predicates.md (normal_memory_operand): Remove.

2015-05-18  Alex Velenko  <Alex.Velenko@arm.com>

        * config/arm/arm.md (andsi_not_shiftsi_si_scc): New pattern.
        (andsi_not_shiftsi_si_scc_no_reuse): New pattern.

2015-05-18  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.c (micromips_globals): New variable.
        (mips_set_compression_mode): Save and reinitialize target-dependent
        state for microMIPS.

2015-05-18  Martin Liska  <mliska@suse.cz>

        * dbgcnt.def: Add new counter.
        * ipa-icf.c (sem_item_optimizer::merge_classes): Use the counter.

2015-05-18  Martin Liska  <mliska@suse.cz>

        * dbgcnt.def: Sort counters.
        * opts.c (common_handle_option): Do not compile if
        -fdbg-cnt-list is enabled.

2015-05-18  Tom de Vries  <tom@codesourcery.com>

        * gimplify.c (gimplify_modify_expr): Remove do_deref handling.
        (gimplify_va_arg_expr): Remove do_deref handling.  Remove adding of
        address operator to va_list operand.
        * tree-stdarg.c (expand_ifn_va_arg_1): Do deref of va_list operand
        unconditionally.
        * config/i386/i386.c (ix86_gimplify_va_arg): Remove deref on va_list
        operand.
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Same.
        * config/s390/s390.c (s390_gimplify_va_arg): Same.
        * config/spu/spu.c (spu_gimplify_va_arg_expr): Same.

2015-05-18  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-tail-merge.c: Fix whitespace.

2015-05-17  Jim Wilson  <jim.wilson@linaro.org>

        * doc/invoke.texi (ARM Options, mtune): Add generic-armv7-a,
        cortex-a17, and cortex-a17.cortex-a7.

2015-05-17  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/54236
        * config/sh/sh.md (*addc_2r_t): Use ashift instead of mult.

2015-05-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66174
        * config/i386/i386.c (expand_vec_perm_blend): Enable HImode and
        QImode inner modes for TARGET_AVX512BW.  Force mask operand
        to a register for AVX512F modes.

2015-05-16  Jan Hubicka  <hubicka@ucw.cz>

        * toplev.c (emit_debug_global_declarations): Do not output debug info
        when doing slim LTO objects.

2015-05-16  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-utils.h (warn_types_mismatch, odr_or_derived_type_p,
        odr_types_equivalent_p): Declare.
        (odr_type_p): Use gcc_checking_assert.
        (type_in_anonymous_namespace_p) Declare.
        (type_with_linkage_p): Declare.
        * common.opt (Wlto-type-mismatch): New warning.
        * ipa-devirt.c (compound_type_base): New function.
        (odr_or_derived_type_p): New function.
        (odr_types_equivalent_p): New function.
        (add_type_duplicate): Simplify.
        (type_with_linkage_p): Add hack to prevent false positives on C types
        (type_in_anonymous_namespace_p): Likewise.
        * tree.c (need_assembler_name_p): Use type_with_linkage.
        * tree.h (type_in_anonymous_namespace_p): Remove.
        * doc/invoke.texi (-Wlto-type-mismatch): Document

2015-05-16  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (verify_type_variant): Verify tree_base and type_common flags.
        (verify_type): Verify STRING_FLAG.

2015-05-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/44054
        * tree-pretty-print.c (percent_K_format): Replace locus pointer
        with accessor function.
        * tree-diagnostic.c (diagnostic_report_current_function): Use
        diagnostic_location function.
        (maybe_unwind_expanded_macro_loc): Likewise.
        (virt_loc_aware_diagnostic_finalizer): Likewise.
        (default_tree_printer): Replace locus pointer with accessor function.
        * diagnostic.c (diagnostic_initialize): Initialize caret_chars array.
        (diagnostic_set_info_translated): Initialize second location.
        (diagnostic_build_prefix): Use CARET_LINE_MARGIN.
        (diagnostic_show_locus): Handle two locations. Call
        diagnostic_print_caret_line.
        (diagnostic_print_caret_line): New.
        (default_diagnostic_starter): Use diagnostic_location function.
        (diagnostic_report_diagnostic): Use diagnostic_location function.
        (verbatim): Do not set text.locus.
        * diagnostic.h (struct diagnostic_info): Remove location field.
        (struct diagnostic_context): Make caret_chars an array of two.
        (diagnostic_location): New inline.
        (diagnostic_expand_location): Handle two locations.
        (diagnostic_same_line): New inline.
        (diagnostic_print_caret_line): Declare.
        (CARET_LINE_MARGIN): New constant.
        * pretty-print.c (pp_printf): Do not set text.locus.
        (pp_verbatim): Do not set text.locus.
        * pretty-print.h (MAX_LOCATIONS_PER_MESSAGE): New constant.
        (struct text_info): Replace locus pointer with locations
        array. Add accessor functions.

2015-05-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
            Zhenqiang Chen  <zhenqiang.chen@linaro.org>

        PR target/65768
        * config/arm/arm.h (DONT_EARLY_SPLIT_CONSTANT): New macro.
        * config/arm/arm.md (subsi3, andsi3, iorsi3, xorsi3, movsi): Keep some
         large constants in register instead of splitting them.

2015-05-16  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66140
        * config/alpha/alpha.c (get_aligned_mem): Also look for reload
        replacements in memory addresses.
        (get_unaligned_address): Ditto.

2015-05-16  James Bowman  <james.bowman@ftdichip.com>

        * config/ft32/*: New files for FT32 port.
        * doc/install.texi: Add FT32 information.
        * doc/invoke.texi: Add FT32 information.
        * doc/md.texi: Add FT32 information.
        * doc/contrib.texi: Self added.

2015-05-15  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/64454
        * match.pd ((X % Y) % Y, (X % Y) < Y): New patterns.
        (-1 - A -> ~A): Remove unnecessary condition.

2015-05-15  Gregor Richards  <gregor.richards@uwaterloo.ca>

        * config/i386/linux.h (MUSL_DYNAMIC_LINKER): Define.
        * config/i386/linux64.h (MUSL_DYNAMIC_LINKER32): Define.
        (MUSL_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKERX32): Define.

2015-05-15  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa-chkp.h (chkp_wrap_function): New.
        * ipa-chkp.c (chkp_wrap_function): Remove 'static'.
        (chkp_wrap_function_name): New.
        (chkp_build_instrumented_fndecl): Use chkp_wrap_function_name
        to get wrapper name.
        * lto-cgraph.c: Include ipa-chkp.h.
        (input_cgraph_1): Avoid alias chain for wrappers.

2015-05-15  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR middle-end/66134
        * tree-chkp.c (chkp_get_orginal_bounds_for_abnormal_copy): New.
        (chkp_maybe_copy_and_register_bounds): Don't copy abnormal copy.

2015-05-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.h (AARCH64_TUNE_SLOWMUL): Delete.
        (AARCH64_FL_SLOWMUL): Delete.
        (AARCH64_FL_CRC): Redefine to 1<<3.
        (AARCH64_FL_USE_FMA_STEERING_PASS): Redefine to 1<<4.

2015-05-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Add appropriate
        casting.

2015-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (extendqidi2): Use general_operand
        instead of some_operand for operand[1] predicate.
        (extendhidi2): Ditto.
        (cbranchdi4): Use general_operand instead of some_operand
        for operand[1] and operands[2] predicates.
        (cstoredi4): Ditto.
        * config/alpha/predicates.md (some_operand): Remove unused predicate.
        (some_ni_operand): Ditto.

2015-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_extract_integer): Do not handle
        CONST_WIDE_INT and CONST_DOUBLE.  Assert CONST_INT_P (x).
        (alpha_legitimate_constant_p) <case CONST_WIDE_INT>: Check high and
        low part of the constant using alpha_emit_set_const_1.
        (alpha_expand_mov): Do not handle CONST_WIDE_INT and CONST_DOUBLE.

2015-05-14  Rohit Arul Raj  <rohitrulraj@freescale.com>

        * varasm.c (output_constant_pool_1): Pass down alignment from
        constant pool entry's descriptor to output_constant_pool_2.
        (output_object_block): Add comment prior to call to
        output_constant_pool_1.

2015-05-14  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/65862
        * target.def (ira_change_pseudo_allocno_class): New hook.
        * targhooks.c (default_ira_change_pseudo_allocno_class): Default
        value of the hook.
        * targhooks.h (default_ira_change_pseudo_allocno_class): New extern.
        * doc/tm.texi.in (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Add the
        hook.
        * ira-costs.c (find_costs_and_classes): Call the hook and change
        classes when it is necessary.
        * doc/tm.texi: Update.

2015-05-14  Alexander Monakov  <amonakov@ispras.ru>

        * config/i386/i386.md (sibcall_memory): Check that register with
        callee address is not also used as one of the arguments, instead
        of checking that it is not live after the sibcall.
        (sibcall_pop_memory): Ditto.
        (sibcall_value_memory): Ditto.
        (sibcall_value_pop_memory): Ditto.

2015-05-14  Marc Glisse  <marc.glisse@inria.fr>

        * generic-match-head.c (types_match): Handle non-types.
        * gimple-match-head.c (types_match): Likewise.
        * match.pd: Remove unnecessary TREE_TYPE for types_match.

2015-05-14  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (absdi2): Optimize abs expansion.
        (csneg3<mode>_insn): Enable expansion of pattern.

2015-05-14  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_select_section): Select the correct
        default section based upon the category of the decl.

2015-05-13  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/30967
        * config/rs6000/rs6000.c (rs6000_rtx_costs): Don't consider
        destination mode for the cost of scc patterns.

2015-05-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*mul<mode>3_1): Merge with *mulhi3_1
        using SWIM248 mode iterator.
        (*mulv<mode>4): Use x86_64_sext_operand for operand[2] constraint.
        (*mulvhi4): mark operand[1] as commutative.  Use nonimmediate_operand
        for operand[2] constraint.
        (*mulv<mode>4_1): Merge with *mulvhi4_1 using SWI248 mode iterator.

2015-05-13  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/66133
        * omp-low.c (expand_omp_taskreg): For GIMPLE_OMP_TASK expansion,
        make sure it is never noreturn, even when the task body does not
        return.
        (lower_omp_taskreg): For GIMPLE_OMP_TASK, emit GIMPLE_OMP_CONTINUE
        right before GIMPLE_OMP_RETURN.
        (make_gimple_omp_edges): Accept GIMPLE_OMP_CONTINUE as ->cont
        for GIMPLE_OMP_TASK.  For GIMPLE_OMP_RETURN corresponding to
        GIMPLE_OMP_TASK add an EDGE_ABNORMAL edge from entry to exit.

2015-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * params.def (PARAM_MAX_POW_SQRT_DEPTH): New param.
        * tree-ssa-math-opts.c: Include params.h
        (pow_synth_sqrt_info): New struct.
        (representable_as_half_series_p): New function.
        (get_fn_chain): Likewise.
        (print_nested_fn): Likewise.
        (dump_fractional_sqrt_sequence): Likewise.
        (dump_integer_part): Likewise.
        (expand_pow_as_sqrts): Likewise.
        (gimple_expand_builtin_pow): Use above to attempt to expand
        pow as series of square roots.  Removed now unused variables.

2015-05-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_emit_set_long_const): Remove c1 argument.
        (alpha_extract_integer): Redeclare as static HOST_WIDE_INT.
        Remove *p0 and *p1 arguments.  Rewrite function.
        (alpha_legitimate_constant_p): Update call to alpha_extract_integer.
        (alpha_split_const_mov): Update calls to alpha_extract_integer and
        alpha_emit_set_long_const.
        (alpha_expand_epilogue): Update calls to alpha_emit_set_long_const.
        (alpha_output_mi_thunk_osf): Ditto.
        * config/alpha/alpha.md (movti): Do not check operands[1]
        for CONST_DOUBLE.

2015-05-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66129
        * tree-vect-slp.c (vect_build_slp_tree): Make sure all ops are
        commutative.
        (vect_schedule_slp_instance): Fix typo.

2015-05-13  David Malcolm  <dmalcolm@redhat.com>

        * common.opt (fdump-internal-locations): New option.
        * input.c: Include diagnostic-core.h.
        (get_end_location): New function.
        (write_digit): New function.
        (write_digit_row): New function.
        (dump_location_range): New function.
        (dump_labelled_location_range): New function.
        (dump_location_info): New function.
        * input.h (dump_location_info): New prototype.
        * toplev.c (compile_file): Handle flag_dump_locations.

2015-05-13  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-expr.h (is_gimple_constant): Reorder.
        * tree-ssa-propagate.c (before_dom_children): Use inline accessor.

2015-05-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * combine.c (simplify_set): When generating a CC set, if the
        source already is in the correct mode, do not wrap it in a
        compare.  Simplify the rest of that code.

2015-05-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66123
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Check if we found
        a taken edge.

2015-05-13  Richard Biener  <rguenther@suse.de>

        PR middle-end/66110
        * alias.c (alias_sets_conflict_p): Do not treat has_zero_child
        specially.
        * Makefile.in (dfp.o-warn): Add -Wno-strict-aliasing.

2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>

        * doc/install.texi: Bump latest automake 1.11 version to 1.11.6.
        * aclocal.m4: Regenerated with automake-1.11.6.

2015-05-13  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/66010
        * gimplify.h (gimplify_va_arg_internal): Remove declaration.
        * gimplify.c (gimplify_va_arg_internal): Remove and inline into ...
        * tree-stdarg.c (expand_ifn_va_arg_1): ... here.  Choose between lval
        and rval based on do_deref.

2015-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65103
        * config/i386/i386.c (ix86_rtx_costs): We want to propagate
        link time constants into adress expressions and therefore set
        their cost to 0.

2015-05-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/66112
        * config/i386/i386.md (mulv<mode>4, umulv<mode>4, *umulv<mode>4):
        Use SWI248 iterator instead of SWI.
        (*mulv<mode>4_1): Use SWI48 instead of SWI.  Simplify output template.
        Use eq_attr "alternative" "0" instead of match_test in
        length_immediate attribute computation.
        (*mulvhi4, *mulvhi4_1): New define_insns.

        PR target/66112
        * internal-fn.c (get_min_precision): Use UNSIGNED instead of
        SIGNED to get precision of non-negative value.

2015-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/66048
        * function.c (diddle_return_value_1): Process bounds first.
        * config/i38/i386.c (ix86_function_value_regno_p): Add bnd1
        register.

2015-05-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR rtl-optimization/64616
        * loop-invariant.c (can_move_invariant_reg): New.
        (move_invariant_reg): Call above new function to decide whether
        instruction can just be moved, skipping creation of temporary
        register.

2015-05-12  Jan Hubicka  <hubicka@ucw.cz>

        PR target/pr66047.c
        * i386.c (ix86_function_sseregparm): Only return -1 if local function
        with implied regparm is called from -mno-sse function.
        (init_cumulative_args): Output error if ix86_function_sseregparm
        return -1 and SSE register would be needed.
        (function_arg_advance_32): Likewise.
        (function_arg_32): Likewise.
        * i386.h (ix86_args): Add decl field.

2015-05-12  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65873
        * ipa-inline.c (can_inline_edge_p): Allow early inlining of always
        inlines across optimization boundary.

2015-05-12  Jason Merrill  <jason@redhat.com>

        * config/mmix/mmix.c, config/msp430/msp430.c: Add space between
        string literal and macro name.

2015-05-12  Steve Ellcey  <sellcey@imgtec.com>

        * config/mips/mips.c (mips_print_operand): Remove 'y' operand code.
        * config/mips/mips.md (<GPR:d>lsa): Rewrite with shift operator.
        * config/mips/predicates.md (const_immlsa_operand): Remove log call.

2015-05-12  David Malcolm  <dmalcolm@redhat.com>

        * doc/invoke.texi (Warning Options): Add -Wmisleading-indentation.
        (-Wmisleading-indentation): New option.
        * Makefile.in (C_COMMON_OBJS): Add c-family/c-indentation.o.

2015-05-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.h (TARGET_SUPPORTS_WIDE_INT): New define.
        * config/alpha/alpha.c (alpha_rtx_costs): Handle CONST_WIDE_INT.
        (alpha_extract_integer): Ditto.
        (alpha_legitimate_constant_p): Ditto.
        (alpha_split_tmode_pair): Ditto.
        (alpha_preferred_reload_class): Add CONST_WIDE_INT.
        (alpha_expand_mov): Ditto.
        (print_operand): Remove handling of 'H' modifier.
        <case 'm'>: Remove CONST_DOUBLE handling.
        (summarize_insn): Handle CONST_WIDE_INT.
        * config/alpha/alpha.md (*andsi_internal): Remove H constraint.
        (anddi3): Ditto.
        (movti): Handle CONST_WIDE_INT.
        * config/alpha/constraints.md ('H'): Remove constraint definition.
        ('G'): Do not match MODE_FLOAT class.
        * config/alpha/predicates.md (const0_operand): Also match
        const_wide_int.
        (non_add_const_operand): Ditto.
        (non_zero_const_operand): Ditto.
        (some_operand): Ditto.
        (input_operand): Ditto.  Handle CONST_WIDE_INT.
        (and_operand): Do not match const_double.
        * config/alpha/sync.md (fetchop_constr): Remove H constraint.

2015-05-12  Andrew MacLeod  <amacleod@redhat.com>

        PR target/65697
        * coretypes.h (MEMMODEL_SYNC, MEMMODEL_BASE_MASK): New macros.
        (enum memmodel): Add SYNC_{ACQUIRE,RELEASE,SEQ_CST}.
        * tree.h (memmodel_from_int, memmodel_base, is_mm_relaxed,
        is_mm_consume,is_mm_acquire, is_mm_release, is_mm_acq_rel,
        is_mm_seq_cst, is_mm_sync): New accessor functions.
        * builtins.c (expand_builtin_sync_operation,
        expand_builtin_compare_and_swap): Use MEMMODEL_SYNC_SEQ_CST.
        (expand_builtin_sync_lock_release): Use MEMMODEL_SYNC_RELEASE.
        (get_memmodel,  expand_builtin_atomic_compare_exchange,
        expand_builtin_atomic_load, expand_builtin_atomic_store,
        expand_builtin_atomic_clear): Use new accessor routines.
        (expand_builtin_sync_synchronize): Use MEMMODEL_SYNC_SEQ_CST.
        * optabs.c (expand_compare_and_swap_loop): Use MEMMODEL_SYNC_SEQ_CST.
        (maybe_emit_sync_lock_test_and_set): Use new accessors and
        MEMMODEL_SYNC_ACQUIRE.
        (expand_sync_lock_test_and_set): Use MEMMODEL_SYNC_ACQUIRE.
        (expand_mem_thread_fence, expand_mem_signal_fence, expand_atomic_load,
        expand_atomic_store): Use new accessors.
        * emit-rtl.c (need_atomic_barrier_p): Add additional enum cases.
        * tsan.c (instrument_builtin_call): Update check for memory model beyond
        final enum to use MEMMODEL_LAST.
        * c-family/c-common.c: Use new accessor for memmodel_base.
        * config/aarch64/aarch64.c (aarch64_expand_compare_and_swap): Use new
        accessors.
        * config/aarch64/atomics.md (atomic_load<mode>,atomic_store<mode>,
        arch64_load_exclusive<mode>, aarch64_store_exclusive<mode>,
        mem_thread_fence, *dmb): Likewise.
        * config/alpha/alpha.c (alpha_split_compare_and_swap,
        alpha_split_compare_and_swap_12): Likewise.
        * config/arm/arm.c (arm_expand_compare_and_swap,
        arm_split_compare_and_swap, arm_split_atomic_op): Likewise.
        * config/arm/sync.md (atomic_load<mode>, atomic_store<mode>,
        atomic_loaddi): Likewise.
        * config/i386/i386.c (ix86_destroy_cost_data, ix86_memmodel_check):
        Likewise.
        * config/i386/sync.md (mem_thread_fence, atomic_store<mode>): Likewise.
        * config/ia64/ia64.c (ia64_expand_atomic_op): Add new memmodel cases and
        use new accessors.
        * config/ia64/sync.md (mem_thread_fence, atomic_load<mode>,
        atomic_store<mode>, atomic_compare_and_swap<mode>,
        atomic_exchange<mode>): Use new accessors.
        * config/mips/mips.c (mips_process_sync_loop): Likewise.
        * config/pa/pa.md (atomic_loaddi, atomic_storedi): Likewise.
        * config/rs6000/rs6000.c (rs6000_pre_atomic_barrier,
        rs6000_post_atomic_barrier): Add new cases.
        (rs6000_expand_atomic_compare_and_swap): Use new accessors.
        * config/rs6000/sync.md (mem_thread_fence): Add new cases.
        (atomic_load<mode>): Add new cases and use new accessors.
        (store_quadpti): Add new cases.
        * config/s390/s390.md (mem_thread_fence, atomic_store<mode>): Use new
        accessors.
        * config/sparc/sparc.c (sparc_emit_membar_for_model): Use new accessors.
        * doc/extend.texi: Update docs to indicate 16 bits are used for memory
        model, not 8.

2015-05-12  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (type_with_linkage_p): New function.
        (type_in_anonymous_namespace_p): Move here from tree.c; assert that
        type has linkage.
        (odr_type_p): Move here from ipa-utils.h; use type_with_linkage_p.
        (can_be_name_hashed_p): Simplify.
        (hash_odr_name): Check that type has linkage before checking if it is
        anonymous.
        (types_same_for_odr): Likewise.
        (odr_name_hasher::equal): Likewise.
        (odr_subtypes_equivalent_p): Likewise.
        (warn_types_mismatch): Likewise.
        (get_odr_type): Likewise.
        (odr_types_equivalent_p): Fix checking of TYPE_MAIN_VARIANT.
        * ipa-utils.h (odr_type_p): Move offline.
        * tree.c (need_assembler_name_p): Fix handling of types
        without linkages.
        (type_in_anonymous_namespace_p): Move to ipa-devirt.c

2015-05-12  David Malcolm  <dmalcolm@redhat.com>

        * timevar.c (timevar_enable): Delete in favor of...
        (g_timer): New global.
        (struct timevar_def): Move to timevar.h inside class timer.
        (struct timevar_stack_def): Likewise.
        (timevars): Delete global in favor of field "m_timevars" within
        class timer in timevar.h
        (stack): Likewise, in favor of field "m_stack".
        (unused_stack_instances): Likewise, in favor of field
        "m_unused_stack_instances".
        (start_time): Likewise, in favor of field "m_start_time".
        (get_time): Eliminate check for timevar_enable.
        (timer::timer): New function, built from part of timevar_init.
        (timevar_init): Rewrite idempotency test from using
        "timevar_enable" bool to using dynamic allocation of "g_timer".
        Move rest of implementation into timer's constructor.
        (timevar_push_1): Rename to...
        (timer::push): ...this, adding "m_" prefixes to variables that
        are now fields of timer.
        (timevar_pop_1): Likewise, rename to...
        (timer::pop): ...this, and add "m_" prefixes.
        (timevar_start): Replace test for "timevar_enable" with one for
        "g_timer", and move bulk of implementation to...
        (timer::start): ...here, adding "m_" prefixes.
        (timevar_stop): Likewise, from here...
        (timer::stop): ...to here.
        (timevar_cond_start): Likewise, from here...
        (timer::cond_start): ...to here.
        (timevar_cond_stop): Likewise, from here...
        (timer::cond_stop): ...to here.
        (validate_phases): Rename to...
        (timer::validate_phases): ...this, and add "m_" prefixes.  Make
        locals "total" and "tv" const.
        (timevar_print): Rename to...
        (timer::print): ...this, and add "m_" prefixes.  Make locals
        "total" and "tv" const.  Eliminate test for timevar_enable.
        * timevar.h (timevar_enable): Eliminate.
        (g_timer): New declaration.
        (timevar_push_1): Eliminate.
        (timevar_pop_1): Eliminate.
        (timevar_print): Eliminate.
        (class timer): New class.
        (timevar_push): Rewrite to use g_timer.
        (timevar_pop): Likewise.
        * toplev.c (toplev::~toplev): Likewise.

2015-05-12  Richard Earnshaw  <rearnsha@arm.com>

        * arm-protos.h (arm_sched_autopref): Delete.
        (tune_params): Re-organize, use enums for flag values.
        (FUSE_OPS): New macro.
        * arm.c (ARM_PREFETCH_NOT_BENEFICIAL): Update.
        (ARM_PREFETCH_BENEFICIAL): Likewise.
        (ARM_FUSE_NOTHING, ARM_FUSE_MOVW_MOVT): Delete.
        (arm_slowmul_tune, arm_fastmul_tune, arm_strongarm_tune)
        (arm_xscale_tune, arm_9e_tune, arm_marvell_pj4_tune)
        (arm_v6t2_tune, arm_cortex_tune, arm_cortex_a8_tune)
        (arm_cortex_a7_tune, arm_cortex_a15_tune, arm_cortex_a53_tune)
        (arm_cortex_a57_tune,  arm_xgene1_tune, arm_cortex_a5_tune)
        (arm_cortex_a9_tune, arm_cortex_a12_tune, arm_v7m_tune)
        (arm_cortex_m7_tune, arm_v6m_tune, arm_fa726te_tune): Use new
        format.
        (arm_option_override, thumb2_reorg, arm_print_tune_info)
        (aarch_macro_fusion_pair_p): Update uses of current_tune.
        * arm.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Likewise.

2015-05-12  Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2.md (trap, ctrapsi4): Use "trap" instead of
        "break".

2015-05-12  Chung-Lin Tang  <cltang@codesourcery.com>
            Sandra Loosemore <sandra@codesourcery.com>

        * config/nios2/nios2.h (enum reg_class): Add IJMP_REGS enum
        value.
        (REG_CLASS_NAMES): Add "IJMP_REGS".
        (REG_CLASS_CONTENTS): Add new entry for IJMP_REGS.
        * config/nios2/nios2.md (indirect_jump,*tablejump): Adjust to
        use new "c" register constraint.
        * config/nios2/constraint.md (c): New register constraint
        corresponding to IJMP_REGS.

2015-05-12  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (*rotlsi3_internal4, *rotlsi3_internal5,
        *rotlsi3_internal6, rlwinm, 5 unnamed define_insns, and 6
        define_splits): Delete, revamp, transmogrify into ...
        (*rotlsi3_mask, *rotlsi3_mask_dot, *rotlsi3_mask_dot2,
        *ashlsi3_imm_mask, *ashlsi3_imm_mask_dot, *ashlsi3_imm_mask_dot2,
        *lshrsi3_imm_mask, *lshrsi3_imm_mask_dot, *lshrsi3_imm_mask_dot2):
        New.

2015-05-12  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (rs6000_adjust_atomic_subword): Use
        gen_ashlsi3 and gen_andsi3 instead of gen_rlwinm.

2015-05-12  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (extzv): FAIL for SImode.
        (extzvsi_internal, *extzvsi_internal1, *extzvsi_internal2,
        *rotlsi3_internal7le, *rotlsi3_internal7be, *rotlsi3_internal8le,
        *rotlsi3_internal8be, *rotlsi3_internal9le, *rotlsi3_internal9be,
        *rotlsi3_internal10le, *rotlsi3_internal10be, *rotlsi3_internal11le,
        *rotlsi3_internal11be, *rotlsi3_internal12le, *rotlsi3_internal12be,
        *lshiftrt_internal1le, *lshiftrt_internal1be, *lshiftrt_internal2le,
        *lshiftrt_internal2be, *lshiftrt_internal3le, *lshiftrt_internal3be,
        *lshiftrt_internal4le, *lshiftrt_internal4be, *lshiftrt_internal5le,
        *lshiftrt_internal5be, *lshiftrt_internal5le, *lshiftrt_internal5be,
        *rotldi3_internal7le, *rotldi3_internal7be, *rotldi3_internal8le,
        *rotldi3_internal8be, *rotldi3_internal9le, *rotldi3_internal9be,
        *rotldi3_internal10le, *rotldi3_internal10be, *rotldi3_internal11le,
        *rotldi3_internal11be, *rotldi3_internal12le, *rotldi3_internal12be,
        *rotldi3_internal13le, *rotldi3_internal13be, *rotldi3_internal14le,
        *rotldi3_internal14be, *rotldi3_internal15le, *rotldi3_internal15be,
        and 30 corresponding splitters): Delete.

2015-05-12  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (define_split for bswaphi): Don't use
        zero_extract.

2015-05-12  Segher Boessenkool  <segher@kernel.crashing.org>

        * combine.c (recog_for_combine_1): New function, factored out
        from recog_for_combine.
        (change_zero_ext): New function.
        (recog_for_combine): If recog fails, try again with the pattern
        modified by change_zero_ext; if that still fails, restore the
        pattern.

2015-05-12  Segher Boessenkool  <segher@kernel.crashing.org>

        * combine.c (get_undo_marker): New function.
        (undo_to_marker): New function, largely factored out from ...
        (undo_all): ... this.  Adjust.

2015-05-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66101
        * tree-ssa-dce.c (remove_dead_stmt): Properly mark loops for
        fixup if we turn a loop exit edge to a fallthru edge.

2015-05-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/37021
        * tree-vectorizer.h (struct _slp_tree): Add two_operators flag.
        (SLP_TREE_TWO_OPERATORS): New define.
        * tree-vect-slp.c (vect_create_new_slp_node): Initialize
        SLP_TREE_TWO_OPERATORS.
        (vect_build_slp_tree_1): Allow two mixing plus/minus in an
        SLP node.
        (vect_build_slp_tree): Adjust.
        (vect_analyze_slp_cost_1): Likewise.
        (vect_schedule_slp_instance): Vectorize mixing plus/minus by
        emitting two vector stmts and mixing the results.

2015-05-12  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * call.c (print_z_candidates): Remove dead code.

2015-05-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/2827.md: Split zEC12_simple into zEC12_simple_int
        and zEC12_simple_fp.
        * config/s390/s390.c (s390_issue_rate): Set issue rate for zEC12
        to 1.

2015-05-12  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/66010
        * gimplify.c (gimplify_modify_expr): Handle new do_deref argument of
        ifn_va_arg.
        * gimplify.h (gimplify_va_arg_internal): Remove loc parameter.
        (gimplify_va_arg_internal): Remove loc parameter.  Assert no array-typed
        va_lists are passed, and remove corresponding handling.
        (gimplify_va_arg_expr): Only take address of ap if necessary.  Add
        do_deref argument to ifn_va_arg.
        * tree-stdarg.c (expand_ifn_va_arg_1): Handle new do_deref argument of
        ifn_va_arg.

2015-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65955
        * config/arm/arm.md (movcond_addsi): Check that operands[2] is a
        REG before taking its REGNO.

2015-05-12  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * combine.c i(set_nonzero_bits_and_sign_copies): Split code updating
        rsp->sign_bit_copies and rsp->nonzero_bits into ...
        (update_rsp_from_reg_equal): This.  Also use REG_EQUAL note on src if
        present to get more accurate information about the number of sign bit
        copies and non zero bits.

2015-05-12  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_build_slp_tree_1): For BB vectorization
        do not allow unrolling.

2015-05-11  Richard Henderson  <rth@redhat.com>

        * config/i386/i386-modes.def (CCP): New.
        * config/i386/i386.c (put_condition_code): Handle it.
        (ix86_match_ccmode, ix86_cc_modes_compatible): Likewise.

2015-05-11  Richard Henderson  <rth@redhat.com>

        * target.def (md_asm_clobbers): Replace with...
        (md_asm_adjust): this.
        * tm.texi.in (TARGET_MD_ASM_CLOBBERS): Remove.
        (TARGET_MD_ASM_ADJUST): New.
        * tm.texi: Rebuild.
        * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Remove.
        * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Remove.
        * system.h (TARGET_MD_ASM_CLOBBERS): Poison.

        * cfgexpand.c (check_operand_nalternatives): Accept vector of
        constraints instead of lists of outputs and inputs.
        (expand_asm_stmt): Save and restore input_location around the
        body of the function.  Move asm data into vectors instead of
        building tree lists.  Generate cleanup sequences as needed,
        rather than waiting til the end.  Use new md_asm_adjust hook.

        * config/vxworks.c: Include vec.h before target.h.
        * gimple.c: Likewise.
        * incpath.c: Likewise.
        * mode-switching.c: Likewise.

        * config/cris/cris.c (cris_md_asm_clobbers): Convert to...
        (cris_md_asm_adjust): this.
        (TARGET_MD_ASM_CLOBBERS): Remove.
        (TARGET_MD_ASM_ADJUST): New.
        * config/i386/i386.c (ix86_md_asm_clobbers): Convert to...
        (ix86_md_asm_adjust): this.
        (TARGET_MD_ASM_CLOBBERS): Remove.
        (TARGET_MD_ASM_ADJUST): New.
        * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): Convert to...
        (mn10300_md_asm_adjust): this.
        (TARGET_MD_ASM_CLOBBERS): Remove.
        (TARGET_MD_ASM_ADJUST): New.
        * config/rs6000/rs6000.c (rs6000_md_asm_clobbers): Convert to...
        (rs6000_md_asm_adjust): this.
        (TARGET_MD_ASM_CLOBBERS): Remove.
        (TARGET_MD_ASM_ADJUST): New.
        * config/visium/visium.c (visium_md_asm_clobbers): Convert to...
        (visium_md_asm_adjust): this.
        (TARGET_MD_ASM_CLOBBERS): Remove.
        (TARGET_MD_ASM_ADJUST): New.

2015-05-11  Richard Henderson  <rth@redhat.com>

        * gimplify.c (gimplify_asm_expr): Set gimple_asm_volatile_p
        if noutputs is zero.
        * cfgexpand.c (expand_asm_stmt): Use gimple_asm_volatile_p unchanged.

        * cfgexpand.c (expand_asm_operands): Merge into...
        (expand_asm_stmt): ... here.

        * cfgexpand.c (expand_asm_operands): Don't call
        resolve_asm_operand_names.
        * stmt.c (resolve_asm_operand_names): Clarify block comment.

2015-05-11  Jan Hubicka  <hubicka@ucw.cz>

        * dwarf2out.c (gen_member_die): Sanity check that we access
        TYPE_MAIN_VARIANT for TYPE_METHODS.
        * function.c (use_register_for_decl): Look for TYPE_MAIN_VARIANT when
        checking TYPE_METHODS.
        * tree.c (free_lang_data_in_type): See TYPE_METHODS to error_mark_node
        if non-null.
        (build_distinct_type_copy): Clear TYPE_METHODS.
        (verify_type_variant): Verify that TYPE_METHODS is NULL for variants.
        (verify_type): Allow TYPE_METHODS to be error_mark_node.
        * tree.def: Update docs of TYPE_STUB_DECL and TYPE_METHODS.

2015-05-11  Eric Botcazou  <ebotcazou@adacore.com>

        * emit-rtl.c (emit_pattern_after_setloc): Add missing guard.
        (emit_pattern_before_setloc): Likewise.

2015-05-11  Richard Sandiford  <richard.sandiford@arm.com>

        * genrecog.c (match_pattern_1): Expect the pattern to be a SEQUENCE
        for define_peephole2s.
        (get_peephole2_pattern): New function.
        (main): Use it.  Call validate_pattern.

2015-05-11  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>

        * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Use
        LAST_CALLEE_SAVED_REG instead of hard-coded register number.
        (Last callee saved reg is different for AVR_TINY architecture)

2015-05-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_loop_unroll_adjust): Use PATTERN (insn)
        when looking for memory references.

2015-05-11  Alexander Monakov  <amonakov@ispras.ru>

        PR target/65753
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Allow PIC sibcalls
        via function pointers.

2015-05-11  Alexander Monakov  <amonakov@ispras.ru>

        * calls.c (prepare_call_address): Transform PLT call to GOT lookup and
        indirect call by forcing address into a pseudo with -fno-plt.
        * common.opt (flag_plt): New option.
        * doc/invoke.texi (Code Generation Options): Add -fno-plt.
        ([-fno-plt]): Document.

2015-05-11  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR bootstrap/66105
        * config/rs6000/option-defaults.h: Add space between string literal
        and macro name.

2015-05-11  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * gcc.target/arm/pr64616.c: Test dump rather than assembly to work
        accross ARM targets.

2015-05-11  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm-protos.h (thumb_code, thumb1_code): Remove.
        * config/arm/vxworks.h (thumb_code): Replace with TARGET_THUMB.

2015-05-11  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/66076
        * rtlanal.c (generic_subrtx_iterator <T>::add_single_to_queue):
        Don't grow the heap array if it is already big enough from a
        previous iteration.

2015-05-11  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm-protos.h (arm_declare_function_name): Declare.
        (is_called_in_ARM_mode): Remove.
        * config/arm/arm.c (is_called_in_ARM_mode): Declare static bool.
        (arm_declare_function_name): Moved from from ARM_DECLARE_FUNCTION_NAME.
        * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Call
         arm_declare_function_name.

2015-05-11  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm.c (arm_option_override): Reoganized and split into :
        (arm_option_params_internal); New function.
        (arm_option_check_internal): New function.
        (arm_option_override_internal): New function.
        (thumb_code, thumb1_code): Remove.
        * config/arm/arm.h (TREE_TARGET_THUMB, TREE_TARGET_THUMB1): New macros.
        (TREE_TARGET_THUM2, TREE_TARGET_ARM): Likewise.
        (thumb_code, thumb1_code): Remove.
        * config/arm/arm.md (is_thumb, is_thumb1): Check TARGET flag.

2015-05-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_emit_set_const_1)
        (alpha_emit_set_long_const, alpha_extract_integer)
        (alpha_legitimate_constant_p, alpha_split_const_mov)
        (alpha_expand_block_clear, alpha_expand_zap_mask, print_operand):
        [HOST_BITS_PER_WIDE_INT < 64]: Remove dead code.
        (alpha_emit_set_const_1): Change "(HOST_WIDE_INT) 1" to
        HOST_WIDE_INT_1U.
        * config/alpha/predicates.md (mode_mask_operand): Do not match
        const_double RTX.
        [HOST_BITS_PER_WIDE_INT < 64]: Remove dead code.
        * config/alpha/alpha.md (abstf, *abstf_internal, UNSPEC_ZAP splitter):
        Change "(HOST_WIDE_INT) 1" to HOST_WIDE_INT_1U.
        [HOST_BITS_PER_WIDE_INT < 64]: Remove dead code.
        (*negtf_internal): Use gen_int_mode instead of immed_double_const.

2015-05-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/65780
        * config/s390/linux.h (TARGET_BINDS_LOCAL_P): Define to
        default_binds_local_p_2.
        * config/arm/linux-elf.h (TARGET_BINDS_LOCAL_P): Likewise.
        * config/aarch64/aarch64-linux.h (TARGET_BINDS_LOCAL_P): Likewise.

2015-05-09  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (verify_type_variant): Check TYPE_VALUES_RAW and TYPE_PRECISION

2015-05-09  Jan Hubicka  <hubicka@ucw.cz>

        Patch by Richard Biener
        * coverage.c (coverage_obj_init): Delay building of type variant
        until the type is finished.

2015-05-09  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (warn_types_mismatch): Do not ICE when warning about
        mismatch between C and C++ type; compoare correctly ARG_TYPES
        for non-prototypes and output correctly parameter index for METHOD_TYPE.
        (odr_types_equivalent_p): Fix wording of warning about attributes;
        it is OK to match prototype and non-prototype.

2015-05-09  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (free_lang_data_in_type): Free TREE_PURPOSE of
        TYPE_ARG_TYPES list.
        (verify_type): Permit non-NULL TREE_PURPOSE in non-LTO builds.
        * tree.def (FUNCTION_TYPE): Document TREE_PURPOSE in TYPE_ARG_TYPES

2015-05-09  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (verify_type): Verify TYPE_BINFO and TYPE_VALUES_RAW.
        * tree.h (is_lang_specific): Constify.

2015-05-09  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/64454
        * tree-vrp.c (extract_range_from_binary_expr_1) <TRUNC_MOD_EXPR>:
        Rewrite.

2015-05-08  Jason Merrill  <jason@redhat.com>

        * bitmap.c, c/c-aux-info.c, cfg.c, cfghooks.c, cgraph.c,
        config/aarch64/aarch64.md config/alpha/vms.h, config/darwin.c,
        config/darwin.h, config/darwin9.h, config/elfos.h,
        config/i386/bsd.h, config/ia64/ia64.c, config/lm32/lm32.h,
        config/microblaze/microblaze.h, config/mips/mips.h,
        config/mmix/mmix.c, config/msp430/msp430.c, config/nios2/nios2.h,
        config/nvptx/nvptx.c, config/nvptx/nvptx.h, config/pa/pa.c,
        config/pa/pa.h, config/rs6000/rs6000.c, config/rs6000/sysv4.h,
        config/rs6000/xcoff.h, config/rx/rx.h, config/s390/s390.h,
        config/sparc/sol2.h, config/sparc/sparc.h, config/visium/visium.h,
        cppbuiltin.c, defaults.h, doc/invoke.texi, dwarf2cfi.c,
        dwarf2out.c, final.c, gcc.c, gcov-dump.c, gcov.c, ipa-cp.c,
        ipa-inline.c, ipa-polymorphic-call.c, ipa-profile.c, ipa-prop.c,
        ira-color.c, ira.c, loop-doloop.c, loop-iv.c, mcf.c,
        modulo-sched.c, predict.c, profile.c, stor-layout.c, toplev.c,
        tree-ssa-reassoc.c, value-prof.c, wide-int-print.cc: Add space
        between string literal and macro name.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * jump.c: Change argument types to rtx_insn *.
        * rtl.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * lra-constraints.c: Change argument type to rtx_insn *.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * df-problems.c: Change argument type to rtx_insn *.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * combine.c: Change argument type to rtx_insn *.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * rtl.h: Adjust.
        * rtlanal.c: Change argument type to rtx_insn *.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * sched-deps.c: Change argument types to rtx_insn *.
        * sched-int.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * dwarf2cfi.c: Change argument type to rtx_insn *.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * ira.c (decrease_live_ranges_number): Changetype of local
        variable to rtx_insn *.
        * recog.c: Change argument types to rtx_insn *.
        * recog.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * reorg.c: Change argument types to rtx_insn *.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * ira-color.c: Change argument types to rtx_insn *.
        * lra-eliminations.c: Likewise.
        * ira.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * gcse.c: Change argument types to rtx_insn *.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * cse.c (cse_change_cc0_mode): Change argument type to rtx_insn *.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * emit-rtl.c (emit_debug_insn_before): Change argument type to
        rtx_insn *.
        * rtl.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * emit-rtl.c (emit_note_before): Change argument type to rtx_insn *.
        * rtl.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * emit-rtl.c (emit_note_after): Change argument type to rtx_insn *.
        * rtl.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * emit-rtl.c (prev_cc0_setter): Change argument type to rtx_insn *.
        * rtl.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * rtlanal.c (noop_move_p): Change argument type to rtx_insn *.
        * rtl.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * rtlanal.c (add_shallow_copy_of_reg_note): Change argument type
        to rtx_insn *.
        * rtl.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * rtlanal.c (remove_reg_equal_equiv_notes): Change argument type
        to rtx_insn *.
        * rtl.h: Likewise.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * except.c (can_nonlocal_goto): Change type of argument to
        rtx_insn *.
        * rtl.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * rtlanal.c (computed_jump_p): Cange argument type to rtx_insn *.
        * rtl.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * rtlanal.c (in_insn_list_p): Renamed from in_expr_list_p.
        * cfgrtl.c (can_delete_label_p): Adjust.
        * rtl.h: likewise.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * reorg.c (stop_search_p): Change argument to rtx_insn *.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * except.c (make_reg_eh_region_note): Change argument to
        rtx_insn *.
        (make_reg_eh_region_note_nothrow_nononlocal): Likewise.
        * except.h: Adjust.

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * mode-switching.c (commit_mode_sets): Change type of local
        variable from rtx to rtx_insn *.

2015-05-08  Jim Wilson  <jim.wilson@linaro.org>

        * doc/install.texi (--enable-languages): Add missing jit and lto info.
        Add ^ to grep command.
        * doc/match-and-simplify.texi (GIMPLE API): Add missing fourth tree
        arg to last gimple_simplify declaration.  Add missing gimple_build
        declaration for built-in function case with four tree args.

2015-05-08  Gregor Richards  <gregor.richards@uwaterloo.ca>
            Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/mips/linux.h (MUSL_DYNAMIC_LINKER32): Define.
        (MUSL_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKERN32): Define.
        (GNU_USER_DYNAMIC_LINKERN32): Update.

2015-05-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66036
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment):
        Handle strided group loads.
        (vect_verify_datarefs_alignment): Likewise.
        (vect_enhance_data_refs_alignment): Likewise.
        (vect_analyze_group_access): Likewise.
        (vect_analyze_data_ref_access): Likewise.
        (vect_analyze_data_ref_accesses): Likewise.
        * tree-vect-stmts.c (vect_model_load_cost): Likewise.
        (vectorizable_load): Likewise.

2015-05-08  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md: Require operand inequality in one
        of the peepholes.

2015-05-08  Richard Sandiford  <richard.sandiford@arm.com>
            Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/i386/i386.md (<mode>_ldx, *<mode>_ldx): Remove mode
        from (set ...).
        * config/rx/rx.md (movdi, movdf): Likewise.
        Likewise for define_peephole2s.

2015-05-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/arm_neon.h (vceq_s64, vceq_u64, vceqz_s64, vceqz_u64,
        vcge_s64, vcge_u64, vcgez_s64, vcgt_s64, vcgt_u64, vcgtz_s64, vcle_s64,
        vcle_u64, vclez_s64, vclt_s64, vclt_u64, vcltz_s64, vtst_s64,
        vtst_u64): Rewrite using gcc vector extensions.

2015-05-08  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_vcond_internal<mode><mode>,
        vcond<mode><mode>, vcondu<mode><mode>): Add DImode variant.

2015-05-08  Alan Lawrence  <alan.lawrence@arm.com>

        * optabs.c (vector_compare_rtx): Handle RTL operands having VOIDmode.

2015-05-08  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/glibc-stdint.h (OPTION_MUSL): Define.
        (INT_FAST16_TYPE, INT_FAST32_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE):
        Change the definition based on OPTION_MUSL for 64 bit targets.
        * config/linux.h (OPTION_MUSL): Redefine.
        * config/alpha/linux.h (OPTION_MUSL): Redefine.
        * config/rs6000/linux.h (OPTION_MUSL): Redefine.
        * config/rs6000/linux64.h (OPTION_MUSL): Redefine.

2015-05-08  Gregor Richards  <gregor.richards@uwaterloo.ca>
            Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config.gcc (LIBC_MUSL): New tm_defines macro.
        * config/linux.h (OPTION_MUSL): Define.
        (MUSL_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER32,)
        (MUSL_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKERX32,)
        (INCLUDE_DEFAULTS_MUSL_GPP, INCLUDE_DEFAULTS_MUSL_LOCAL,)
        (INCLUDE_DEFAULTS_MUSL_PREFIX, INCLUDE_DEFAULTS_MUSL_CROSS,)
        (INCLUDE_DEFAULTS_MUSL_TOOL, INCLUDE_DEFAULTS_MUSL_NATIVE): Define.
        * config/linux.opt (mmusl): New option.
        * doc/invoke.texi (GNU/Linux Options): Document -mmusl.
        * configure.ac (gcc_cv_libc_provides_ssp): Add *-*-musl*.
        (gcc_cv_target_dl_iterate_phdr): Add *-linux-musl*.
        * configure: Regenerate.

2015-05-08  H.J. Lu  <hongjiu.lu@intel.com>
            Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR target/48904
        * config.gcc (x86_64-*-knetbsd*-gnu): Add i386/knetbsd-gnu64.h.
        * config/i386/knetbsd-gnu64.h: New file.

2015-05-08  Marek Polacek  <polacek@redhat.com>

        PR c/64918
        * doc/invoke.texi: Document -Woverride-init-side-effects.

2015-05-07  Marek Polacek  <polacek@redhat.com>

        PR c/65179
        * doc/invoke.texi: Document -Wshift-negative-value.

2015-05-06  Aditya Kumar  <hiraditya@msn.com>

        * gcov-tool.c (do_merge): Refactore to remove int ret.
        * ipa-icf.c (sem_item::hash_referenced_symbol_properties): Change
        !type == FUNC to type != FUNC.
        * reload.h (struct target_reload): Changee to type of
        x_spill_indirect_levels from bool to unsigned char.

2015-05-07  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (always_void_p): New function.
        * gengenrtl.c (always_void_p): Likewise.
        (genmacro): Don't add a mode parameter to gen_rtx_foo if rtxes
        with code foo are always VOIDmode.
        * genemit.c (gen_exp): Update gen_rtx_foo calls accordingly.
        * builtins.c, caller-save.c, calls.c, cfgexpand.c, combine.c,
        compare-elim.c, config/aarch64/aarch64.c,
        config/aarch64/aarch64.md, config/alpha/alpha.c,
        config/alpha/alpha.md, config/arc/arc.c, config/arc/arc.md,
        config/arm/arm-fixed.md, config/arm/arm.c, config/arm/arm.md,
        config/arm/ldrdstrd.md, config/arm/thumb2.md, config/arm/vfp.md,
        config/avr/avr.c, config/bfin/bfin.c, config/c6x/c6x.c,
        config/c6x/c6x.md, config/cr16/cr16.c, config/cris/cris.c,
        config/cris/cris.md, config/darwin.c, config/epiphany/epiphany.c,
        config/epiphany/epiphany.md, config/fr30/fr30.c, config/frv/frv.c,
        config/frv/frv.md, config/h8300/h8300.c, config/i386/i386.c,
        config/i386/i386.md, config/i386/sse.md, config/ia64/ia64.c,
        config/ia64/vect.md, config/iq2000/iq2000.c,
        config/iq2000/iq2000.md, config/lm32/lm32.c, config/lm32/lm32.md,
        config/m32c/m32c.c, config/m32r/m32r.c, config/m68k/m68k.c,
        config/m68k/m68k.md, config/mcore/mcore.c, config/mcore/mcore.md,
        config/mep/mep.c, config/microblaze/microblaze.c,
        config/mips/mips.c, config/mips/mips.md, config/mmix/mmix.c,
        config/mn10300/mn10300.c, config/msp430/msp430.c,
        config/nds32/nds32-memory-manipulation.c, config/nds32/nds32.c,
        config/nds32/nds32.md, config/nios2/nios2.c, config/nvptx/nvptx.c,
        config/pa/pa.c, config/pa/pa.md, config/rl78/rl78.c,
        config/rs6000/altivec.md, config/rs6000/rs6000.c,
        config/rs6000/rs6000.md, config/rs6000/vector.md,
        config/rs6000/vsx.md, config/rx/rx.c, config/rx/rx.md,
        config/s390/s390.c, config/s390/s390.md, config/sh/sh.c,
        config/sh/sh.md, config/sh/sh_treg_combine.cc,
        config/sparc/sparc.c, config/sparc/sparc.md, config/spu/spu.c,
        config/spu/spu.md, config/stormy16/stormy16.c,
        config/tilegx/tilegx.c, config/tilegx/tilegx.md,
        config/tilepro/tilepro.c, config/tilepro/tilepro.md,
        config/v850/v850.c, config/v850/v850.md, config/vax/vax.c,
        config/visium/visium.c, config/xtensa/xtensa.c, cprop.c, dse.c,
        expr.c, gcse.c, ifcvt.c, ira.c, jump.c, lower-subreg.c,
        lra-constraints.c, lra-eliminations.c, lra.c, postreload.c, ree.c,
        reg-stack.c, reload.c, reload1.c, reorg.c, sel-sched.c,
        var-tracking.c: Update calls accordingly.

2015-05-07  Segher Boessenkool  <segher@kernel.crashing.org>

        PR middle-end/192
        PR middle-end/54303
        * varasm.c (function_mergeable_rodata_prefix): New function.
        (mergeable_string_section): Use it.
        (mergeable_constant_section): Use it.

2015-05-07  Jeff Law  <law@redhat.com>

        PR target/39726
        * match.pd (bit_and (plus/minus (convert @0) (convert @1) mask): New
        simplifier to narrow arithmetic.
        * generic-match-head.c: (types_match, single_use): New functions.
        * gimple-match-head.c: (types_match, single_use): New functions.

2015-05-07  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * combine.c (make_compound_operation): Remove checks for PLUS/MINUS
        rtx type.

2015-05-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66002
        * passes.def: Schedule another pass_merge_phi after ifcombine, right
        before phiopt.

2015-05-07  Marek Polacek  <polacek@redhat.com>
            Martin Uecker  <uecker@eecs.berkeley.edu>

        * doc/invoke.texi: Document -fsanitize=bounds-strict.
        * flag-types.h (enum sanitize_code): Add SANITIZE_BOUNDS_STRICT, or it
        into SANITIZE_NONDEFAULT.
        * opts.c (common_handle_option): Handle -fsanitize=bounds-strict.

2015-05-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/66015
        * config/alpha/alpha.c (alpha_override_options_after_change): New.
        (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
        (alpha_override_options): Move align_loops, align_jumps and
        align_functions handling into alpha_override_options_after_change.

2015-05-06  Sandra Loosemore  <sandra@codesourcery.com>
            Chris Jones  <chrisj@nvidia.com>
            Joshua Conner  <jconner@nvidia.com>

        * config/arm/unknown-elf.h (STARTFILE_SPEC): Add conditional
        linking of crtfastmath.o.
        * config/arm/linux-eabi.h (STARTFILE_SPEC): Likewise.

2015-05-06  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (cstore<mode>4_signed_imm): New expander.
        (cstore<mode>4_unsigned_imm): New expander.
        (cstore<mode>4): Remove empty constraint strings.  Use the new
        expanders.

2015-05-06  Yvan Roux  <yvan.roux@linaro.org>

        PR target/64208
        * config/arm/iwmmxt.md ("*iwmmxt_arm_movdi"): Cleanup redundant
        alternatives.

2015-05-06  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/aarch64/geniterators.sh: Use standard BRE in sed.

2015-05-06  Alan Modra  <amodra@gmail.com>

        PR target/66033
        * config/rs6000/rs6000.md (nop): Use an unspec pattern.
        (UNSPEC_NOP): Define.
        (reload_vsx_from_gpr<mode>): Add missing DONE.
        (reload_gpr_from_vsx<mode>): Likewise.
        * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
        (vsx_div_v2di, vsx_udiv_v2di): Likewise.

2015-05-06  Christian Bruel  <christian.bruel@st.com>

        PR target/66015
        * config/aarch64/aarch64.c (aarch64_override_options): Move align_loops,
        align_jumps, align_functions into aarch64_override_options_after_change.

2015-05-06  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_supported_load_permutation_p): Use
        vect_transform_slp_perm_load to check if we support a permutation
        for basic-block vectorization.

2015-05-06  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (need_to_save): Save register 22 if it is
        used, even if it is not being used as a frame pointer.

2015-05-05  Jason Merrill  <jason@redhat.com>

        * dwarf2out.c (gen_member_die): Don't emit anything for an
        anonymous class constructor.

2015-05-05  David Malcolm  <dmalcolm@redhat.com>

        * auto-profile.c (afdo_find_equiv_class): Fix indentation so
        that it reflects the block structure.
        (afdo_propagate_edge): Likewise.
        (afdo_calculate_branch_prob): Likewise.
        (afdo_annotate_cfg): Likewise.
        * cfgcleanup.c (equal_different_set_p): Likewise.
        (try_crossjump_to_edge): Likewise.
        * cgraph.c (cgraph_node::verify_node): Likewise.
        * cgraphunit.c (expand_all_functions): Likewise.
        * config/i386/i386.c (ix86_expand_copysign): Likewise.
        (exact_dependency_1): Likewise.
        * dwarf2asm.c (dw2_output_indirect_constants): Likewise.
        * dwarf2out.c (tree_add_const_value_attribute_for_decl): Likewise.
        * gensupport.c (process_define_subst): Likewise.
        * lto-wrapper.c (merge_and_complain): Likewise.
        * tree-if-conv.c (if_convertible_bb_p): Likewise.
        * tree-ssa-loop-prefetch.c (find_or_create_group): Likewise.
        * tree-ssa-tail-merge.c (gsi_advance_fw_nondebug_nonlocal): Likewise.
        * tree-vect-data-refs.c (vect_grouped_load_supported): Likewise.
        * tree-vect-loop.c (vectorizable_reduction): Likewise.
        * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
        * tree-vect-stmts.c (vectorizable_shift): Likewise.
        * tree-vrp.c (vrp_finalize): Likewise.
        * tree.c (variably_modified_type_p): Likewise.

2015-05-05  Jack Howarth  <howarth.at.gcc@gmail.com>

        * config.gcc: Use darwin9.h, darwin10.h and darwin12.h
        on darwin12 and later.
        * config/darwin12.h (LINK_GCC_C_SEQUENCE_SPEC): Add
        file to pass -rdynamic on darwin12 and later.
        * config/darwin.opt (rdynamic): Add.

2015-05-05  Uros Bizjak  <ubizjak@gmail.com>

        * doc/extend.texi (C Extensions): Update menu for moved Variable
        Attributes and Type Attributes sections.

2015-05-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/65990
        * config/i386/i386.c (ix86_parse_stringop_strategy_string): Error out
        if rep_8byte stringop strategy was specified for 32-bit target.

2015-05-05  Ilya Tocar  <ilya.tocar@intel.com>

        PR target/65915
        * config/i386/i386.md (vector convert to float spltiter): Check for
        xmm16+, when splitting scalar float conversion.
        * config/i386/sse.md (sse2_cvtsi2sd): Support EVEX version.

2015-05-05  Nick Clifton  <nickc@redhat.com>

        * config/msp430/msp430-opts.h (enum msp430_regions): New.
        * config/msp430/msp430.c (msp430_override_options): Complain if
        -mcode-region or -mdata-region is used on a non MSP430X.
        (msp430_section_attr): New function.  Checks lower, upper and
        either attributes.
        (msp430_attribute_table): Add lower, upper and either.
        (gen_prefix): New function.  Generates a prefix for a section
        name.
        (msp430_select_section): New function - handles the choice of
        section for an object.  Takes into account memory region
        attributes and options.
        (msp430_function_section): Use gen_prefix.
        (TARGET_SECTION_TYPE_FLAGS): Define.
        (msp430_section_type_flags): New function.
        (TARGET_ASM_UNIQUE_SECTION): Define.
        (msp430_unique_section): New function.
        (msp430_output_aligned_decl_common): New function.
        (msp430_do_not_relax_short_jumps): New function.
        * config/msp430/msp430.h (USE_SELECT_SECTION_FOR_FUNCTIONS):
        Define.
        (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
        * config/msp430/msp430-protos.h
        (msp430_do_not_relax_short_jumps): New prototype.
        (msp430_output_aligned_decl_common): New prototype.
        * config/msp430/msp430.md (length): New attribute.
        (cbranchhi4_real): If msp430_do_not_relax_short_jumps is true
        then use a long code sequence for short jumps.
        * config/msp430/msp430.opt (mcode-region): New.
        (mdata-region): New.
        * doc/invoke.texi: Document new options.
        * doc/extend.texi: Document new attributes.

2015-05-05  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64-protos.h (struct cpu_branch_cost): New.
        (tune_params): Add field branch_costs.
        (aarch64_branch_cost): Declare.
        * config/aarch64.c (generic_branch_cost): New.
        (generic_tunings): Set field cpu_branch_cost to generic_branch_cost.
        (cortexa53_tunings): Likewise.
        (cortexa57_tunings): Likewise.
        (thunderx_tunings): Likewise.
        (xgene1_tunings): Likewise.
        (aarch64_branch_cost): Define.
        * config/aarch64/aarch64.h (BRANCH_COST): Redefine.

2015-05-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1
        and HOST_WIDE_INT_1U instead of (unsigned HOST_WIDE_INT) 1.
        * config/i386/i386.md: Ditto.
        * config/i386/winnt.c: Ditto.

2015-05-05  Matthew Wahab  <matthew.wahab@arm.com>

        * doc/extend.texi (__atomic Builtins): Move implementation details
        to the end of the description, rewrite opening paragraphs, state
        difference with __sync builtins, state C11/C++11 assumptions,
        weaken itemized descriptions, add explanation of memory model
        behaviour, expand description of compare-exchange, simplify text.

2015-05-05  Renlin Li  <renlin.li@arm.com>

        * config/aarch64/aarch64.md (add<mode>3): Use mov when allowed.

2015-05-05  Yvan Roux  <yvan.roux@linaro.org>

        * config/aarch64/aarch64-elf-raw.h (CA53_ERR_843419_SPEC): Define.
        (LINK_SPEC): Include CA53_ERR_843419_SPEC.
        * config/aarch64/aarch64-linux.h (CA53_ERR_843419_SPEC): Define.
        (LINK_SPEC): Include CA53_ERR_843419_SPEC.
        * config/aarch64/aarch64.opt (mfix-cortex-a53-843419): New option.
        * configure: Regenerate.
        * configure.ac: Add --enable-fix-cortex-a53-843419 option.
        * doc/install.texi (aarch64*-*-*): Document new
        --enable-fix-cortex-a53-843419 option.
        * doc/invoke.texi (AArch64 Options): Document -mfix-cortex-a53-843419
        and -mno-fix-cortex-a53-843419 options.

2015-05-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/65871
        * config/i386/i386.md (*bmi_andn_<mode>_ccno): New pattern.

2015-05-04  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (verify_type): Check various uses of TYPE_MAXVAL;
        fix overactive TYPE_MIN_VALUE check and add FIXME for type
        compatibility problems.

2015-05-04  Ajit Agarwal  <ajitkum@xilinx.com>

        * config/microblaze/microblaze.md (cbranchsi4): Added immediate
        constraints.
        (cbranchsi4_reg): New.
        * config/microblaze/microblaze.c
        (microblaze_expand_conditional_branch_reg): New.
        * config/microblaze/microblaze-protos.h
        (microblaze_expand_conditional_branch_reg): New prototype.

2015-05-04  Ajit Agarwal  <ajitkum@xilinx.com>

        * config/microblaze/microblaze.md (peephole2): New.

2015-05-04  Jeff Law  <law@redhat.com>

        Revert:
        2015-05-04  Jeff Law  <law@redhat.com>

        * match.pd (bit_and (plus/minus (convert @0) (convert @1) mask): New
        simplifier to narrow arithmetic.
        * generic-match-head.c: (types_match, single_use): New functions.
        * gimple-match-head.c: (types_match, single_use): New functions.

2015-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/65987
        * config/sh/sh.c (output_far_jump): Take into account crossing jumps.
        (split_branches): Likewise.

2015-05-04  Sandra Loosemore  <sandra@codesourcery.com>

        * common.opt (fdelete-null-pointer-checks): Init to -1.
        * config/nios2/elf.h (SUBTARGET_OVERRIDE_OPTIONS): Define to
        override flag_delete_null_pointer_checks default.
        * doc/invoke.texi (-fdelete-null-pointer-checks): Clarify
        behavior re address zero.  Better document target-specific behavior.
        (-fisolate-errneous-paths-dereference): Mention relationship to
        -fdelete-null-pointer-checks.

2015-05-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65984
        * ubsan.c: Include tree-cfg.h.
        (instrument_bool_enum_load): Use stmt_ends_bb_p instead of
        stmt_could_throw_p test, rename can_throw variable to ends_bb.

2015-05-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c: Change GET_CODE (...) == CONST_DOUBLE check
        to CONST_DOUBLE_P predicate.
        (standard_sse_constant_p): Return 0 for !TARGET_SSE.
        (ix86_legitimate_constant_p) <case CONST_WIDE_INT>: For 32bit targets,
        allow only operands that satisfy standard_sse_constant_p predicate.
        * config/i386/i386.md: Change GET_CODE (...) == CONST_DOUBLE check
        to CONST_DOUBLE_P predicate.

2015-05-04  Jeff Law  <law@redhat.com>

        * match.pd (bit_and (plus/minus (convert @0) (convert @1) mask): New
        simplifier to narrow arithmetic.
        * generic-match-head.c: (types_match, single_use): New functions.
        * gimple-match-head.c: (types_match, single_use): New functions.

2015-05-04  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/arm/arm.c: Restore bootstrap.

2015-05-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (TARGET_SUPPORTS_WIDE_INT): New define.
        * config/i386/i386.c (ix86_legitimate_constant_p): Handle TImode
        as CONST_WIDE_INT, not CONST_DOUBLE.
        (ix86_cannot_force_const_mem): Handle CONST_WIDE_INT.
        (output_pic_addr_const): Do not handle VOIDmode CONST_DOUBLEs.
        (ix86_find_base_term): Do not check for CONST_DOUBLE.
        (ix86_print_operand): Do not handle non-FPmode CONST_DOUBLEs.
        (ix86_build_signbit_mask): Rewrite using wide ints.
        (ix86_split_to_parts) [HOST_BITS_PER_WIDE_INT < 64]: Remove.
        (ix86_rtx_costs): Handle CONST_WIDE_INT.
        (find_constant): Ditto.
        * config/i386/i386.md (bts, btr, btc peepholes): Rewrite
        using gen_int_mode.
        * config/i386/predicates.md (x86_64_immediate_operand)
        <case CONST_INT>: Remove HOST_BITS_PER_WIDE_INT == 32 code.
        (x86_64_zext_immediate_operand): Remove CONST_DOUBLE handling.
        <case CONST_INT>: Remove HOST_BITS_PER_WIDE_INT == 32 code.
        (const0_operand): Also match const_wide_int.
        (constm1_operand): Ditto.
        (const1_operand): Ditto.

2015-05-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65965
        * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Split
        store groups at gaps.

2015-05-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65935
        * tree-vect-slp.c (vect_build_slp_tree): If we swapped operands
        then make sure to apply that swapping to the IL.

2015-05-04  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (PATCHLEVEL_c): New variable.
        (DATESTAMP_s, REVISION_s): If PATCHLEVEL_c is not 0,
        expand the same way as if DEVPHASE_c was non-empty.

2015-05-04  Kai Tietz  <ktietz@redhat.com>

        PR target/65559
        * lto-wrapper.c (run_gcc): Open filename
        in binary-mode.

2015-05-03  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Variable Attributes, Type Attributes):  Move
        sections up in file, to immediately after the Function Attributes
        section.

2015-05-02  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (verify_type): Check various uses of TYPE_MINVAL.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * tree-outof-ssa.c (emit_partition_copy): Return rtx_insn *.
        (insert_partition_copy_on_edge): Adjust.
        (insert_rtx_to_part_on_edge): Likewise.
        (insert_part_to_rtx_on_edge): Likewise.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * function.c (set_return_jump_label): Change type of argument to
        rtx_insn *.
        * function.h (set_return_jump_label): Adjust.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * reload.h (struct reg_equivs_t): Change type of init to
        rtx_insn *.
        * ira.c (fix_reg_equiv_init): Adjust.
        * reload1.c (eliminate_regs_1): Likewise.
        (init_eliminable_invariants): Likewise.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * cselib.c (fp_setter_insn): Take a rtx_insn *.
        * cselib.h (fp_setter_insn): Adjust.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * recog.c (struct validate_replace_src_data): Change type of
        insn field to rtx_insn *.
        (validate_replace_src_group): Change type of argument to rtx_insn *.
        * recog.h (validate_replace_src_group): Adjust.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * haifa-sched.c: Change the type of some variables to rtx_insn *.
        * sched-deps.c: Likewise.
        * sched-int.h: Likewise.
        * sched-rgn.c: Likewise.
        * sel-sched.c: Likewise.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        to rtx_insn *.
        * config/i386/i386.c: Change the type of some arguments to
        rtx_insn *.
        * config/arm/arm.c: Likewise.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * lra-constraints.c: Change type of some arguments to rtx_insn *.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * regcprop.c (kill_autoinc_value): Change type of argument to
        rtx_insn *.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * genrecog.c (print_subroutine): Adjust.
        * recog.c (get_bool_attr_mask_uncached): Likewise.
        * recog.h (struct recog_data_d): Change the type of insn to
        rtx_insn *.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * dwarf2cfi.c (add_cfi_insn): Change type to rtx_insn *.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * df-problems.c (df_set_note): Change type of argument to
        rtx_insn *.

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * builtins.c (expand_builtin_trap): Change type of local
        variable to rtx_insn *.
        (add_sched_insns_for_speculation): Likewise.
        (ix86_emit_save_regs): Likewise.
        (get_scratch_register_on_entry): Likewise.
        (ix86_emit_restore_reg_using_pop): Likewise.
        (ix86_emit_leave): Likewise.
        (ix86_emit_restore_regs_using_mov): Likewise.
        (ix86_expand_epilogue): Likewise.
        Likewise.
        (rl78_alloc_physical_registers_umul): Likewise.
        * cselib.c (discard_useless_locs): Likewise.
        (cselib_invalidate_regno): Likewise.
        (cselib_invalidate_mem): Likewise.
        * function.c (expand_function_start): Likewise.
        (emit_use_return_register_into_block): Likewise.
        * gcse.c: Likewise.
        * haifa-sched.c (ok_for_early_queue_removal): Likewise.
        * ifcvt.c (noce_get_alt_condition): Likewise.
        * loop-doloop.c (doloop_condition_get): Likewise.
        * lra-constraints.c (inherit_in_ebb): Likewise.
        * modulo-sched.c (sms_schedule_by_order): Likewise.
        * recog.c (next_insn_tests_no_inequality): Likewise.
        * reorg.c (emit_delay_sequence): Likewise.
        (update_reg_dead_notes): Likewise.
        (fix_reg_dead_note): Likewise.
        (fill_slots_from_thread): Likewise.
        (delete_computation): Likewise.

2015-05-01  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Variable Attributes): Add menu and proper
        @nodes to subsections.  Move Microsoft Windows attributes to
        their own subsection.
        (Type Attributes): Reorganize introduction to remove duplicate
        list of attributes.  Add menu and proper @nodes to subsections.
        Alphabetize the main table of common attributes.

2015-05-01  Rasmus Villemoes  <rv@rasmusvillemoes.dk>

        * match.pd: New simplification patterns.
        (x + (x & 1))  -> ((x + 1) & ~1)
        (x & ~(x & y)) -> ((x & ~y))
        (x | ~(x | y)) -> ((x | ~y))

2015-05-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * target.def (attribute_table): Mention that struct attribute_spec
        is defined in tree-core.h rather than tree.h
        * doc/tm.texi: Regenerate.

2015-05-01  Richard Sandiford  <richard.sandiford@arm.com>

        * genrecog.c (test): Rename to rtx_test.  Update rest of file
        accordingly.

2015-05-01  Andreas Schwab  <schwab@linux-m68k.org>

        PR translation/65959
        * params.h (DEFPARAM): Rename msgid to nocmsgid.

2015-05-01  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64-protos.h (tune_params):
        Add min_div_recip_mul_sf and min_div_recip_mul_df fields.
        * config/aarch64/aarch64.c (aarch64_min_divisions_for_recip_mul):
        Return value depending on target.
        (generic_tunings): Initialize new target settings.
        (cortexa53_tunings): Likewise.
        (cortexa57_tunings): Likewise.
        (thunderx_tunings): Likewise.
        (xgene1_tunings): Likewise.

2015-05-01  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/arm/aarch-cost-tables.h (cortexa53_extra_costs):
        Make Cortex-A53 shift costs more accurate.

2015-05-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_costs): Handle FLOAT and
        UNSIGNED_FLOAT.

2015-05-01  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_costs):
        Calculate cost of op0 and op1 in PLUS and MINUS cases.

2015-05-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
        Add cost of op0 in the compare-with-fpzero case.

2015-04-30  David Malcolm  <dmalcolm@redhat.com>

        * builtins.c (fold_builtin_1): Remove spurious second
        semicolon.
        * cgraph.h (symtab_node::get_availability): Likewise.
        * opts.c (common_handle_option): Remove spurious second semicolon.
        * tree-ssa-loop-ivopts.c (extract_cond_operands): Likewise.
        * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Likewise.

2015-04-30  Caroline Tice  <cmtice@google.com>

        PR gcov-profile/65929
        * config/elfos.h (ASM_DECLARE_COLD_FUNCTION_NAME): New macro definition.
        (ASM_DECLARE_COLD_FUNCTION_SIZE): New macro definition.
        * doc/tm.texi.in (ASM_DECLARE_COLD_FUNCTION_NAME): Document new macro.
        (ASM_DECLARE_COLD_FUNCTION_SIZE): Document new macro.
        * doc/tm.texi: Regenerate.
        * final.c (final_scan_insn):  Use ASM_DECLARE_COLD_FUNCTION_NAME
        instead of ASM_DECLARE_FUNCTION_NAME for cold partition name.
        * varasm.c (assemble_end_function):  Use ASM_DECLARE_COLD_FUNCTION_SIZE
        instead of ASM_DECLARE_FUNCTION_SIZE for cold partition size.

2015-04-30  Marek Polacek  <polacek@redhat.com>

        * varasm.c (handle_cache_entry): Fix logic.

2015-04-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (*extr<mode>5_insn_alt): New pattern.
        (*extrsi5_insn_uxtw_alt): Likewise.
        * config/aarch64/aarch64.c (aarch64_extr_rtx_p): New function.
        (aarch64_rtx_costs, IOR case): Use above to properly cost extr
        operations.

2015-04-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_costs): Handle pattern for
        fabd in ABS case.

2015-04-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md
        (*eor_one_cmpl_<SHIFT:optab><mode>3_alt): New pattern.
        (*eor_one_cmpl_<SHIFT:optab>sidi3_alt_ze): Likewise.
        * config/aarch64/aarch64.c (aarch64_rtx_costs): Handle MVN-shift
        appropriately.  Handle alternative EON form.

2015-04-30  Renlin Li  <renlin.li@arm.com>

        * config/aarch64/aarch64-simd.md (vec_shr): Defined as an unspec.
        * config/aarch64/iterators.md (unspec): Add UNSPEC_VEC_SHR.

2015-04-30  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65873
        * ipa-inline.c (can_inline_edge_p): It is safe to inline across
        -fstrict-aliasing boundaries.

2015-04-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Handle MNEG
        and [SU]MNEGL patterns.

2015-04-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_shift_p): New function.
        (aarch64_rtx_mult_cost): Update comment to reflect that it also handles
        combined arithmetic-shift ops.  Properly handle all shift and extend
        operations that can occur in combination with PLUS/MINUS.
        Rename maybe_fma to compound_p.
        (aarch64_rtx_costs): Use aarch64_shift_p when costing compound
        arithmetic and shift operations.

2015-04-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_costs): Use extend_arith
        rather than arith_shift cost when costing ADD/MINUS of an
        extended value.

2015-04-30  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/65948
        * ipa-devirt.c (odr_types_equivalent_p): NULLPTR_TYPE is equivalent
        to itself.

2015-04-30  Richard Sandiford  <richard.sandiford@arm.com>

        * genrecog.c (simplify_tests): Check that CONST_INT and XWINT tests
        are for the same position.

2015-04-29  Aditya Kumar  <hiraditya@hotmail.com>

        * tree-vectorizer.c (set_uid_loop_bbs): New.  Factored out of
        vectorize_loops.
        (vectorize_loops): Use it.

2015-04-29  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (odr_subtypes_equivalent_p): Compare TYPE_NAME only
        for aggregate types.
        (register_odr_type): Be ready for MAIN_VARIANT of ODR type
        type to be non_ODR.
        * tree.c (need_assembler_name_p): Compute mangled name for
        non-fundamental types and integer types.

2015-04-29  Mikhail Maltsev  <maltsevm@gmail.com>

        * dojump.c (do_compare_rtx_and_jump): Use std::swap instead of
        manual swaps.
        * expr.c (expand_expr_real_2): Likewise.

2015-04-29  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (build_common_builtin_nodes): Do not build
        __builtin_alloca_with_align as equivalent of library alloca.

2015-04-29  Jan Hubicka  <hubicka@ucw.cz>

        * dwarf2out.c (gen_type_die_with_usage): Call verify_type.
        * ipa-chkp.c (chkp_copy_function_type_adding_bounds): Do not produce
        bugus variants.
        * tree.c: Include print-tree.h and ipa-utils.h
        (free_lang_data_in_type): Clear TYPE_VFIELD leaked by C FE.
        (free_lang_data_in_cgraph): Call verify_type.
        (verify_type_variant): New function.
        (verify_type): New function.
        * tree.h (verify_type): Declare.

2015-04-29  Steve Ellcey  <sellcey@imgtec.com>

        * config/mips/mips-cpus.def: (mips4): Change default processor
        from PROCESSOR_R8000 to PROCESSOR_R10000.

2015-04-29  Petar Jovanovic  <petar.jovanovic@rt-rk.com>

        * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Fix the macro to use
        la/jalr instead of jal.

2015-04-29  Uros Bizjak  <ubizjak@gmail.com>

        PR target/65871
        * config/i386/i386.md (*bmi_bextr_<mode>_ccz): New pattern.
        (*bmi2_bzhi_<mode>3_1_ccz): Ditto.
        (setcc+movzbl peephole2): Check also clobbered reg.
        (setcc+andl peephole2): Ditto.

2015-04-29  Thomas Schwinge  <thomas@codesourcery.com>

        PR libgomp/65099
        * config/nvptx/mkoffload.c (target_ilp32): New variable.
        (main): Set it depending on "-foffload-abi=[...]".
        (compile_native, main): Use it to pass "-m32" or "-m64" to the
        compiler.

2015-04-29  Alan Lawrence  <alan.lawrence@arm.com>

        PR target/65770
        * config/aarch64/aarch64-simd.md (vec_store_lanesoi_lane<mode>,
        vec_store_lanesci_lane<mode>, vec_store_lanesxi_lane<mode>):
        Flip lane index back at assembly time for bigendian.

2015-04-29  Thomas Schwinge  <thomas@codesourcery.com>

        * tree.h (OMP_STANDALONE_CLAUSES): New macro.
        * gimplify.c (gimplify_omp_workshare): Use it.

2015-04-29  Richard Sandiford  <richard.sandiford@arm.com>

        * Makefile.in (build/genrecog.o): Depend on inchash.h.
        (build/genrecog$(build_exeext): Depend on build/hash-table.o and
        build/inchash.o
        * genrecog.c: Rewrite most of the code except for the third page.

2015-04-29  Richard Sandiford  <richard.sandiford@arm.com>

        * inchash.h, inchash.c: Include bconfig.h for build objects.
        * Makefile.in (build/inchash.o): New rule.

2015-04-29  Yvan Roux  <yvan.roux@linaro.org>

        PR target/65924
        * config/arm/thumb2.md (*thumb2_addsi3_compare0_scratch): Fix operand
        number in type attribute expression.

2015-04-29  Richard Sandiford  <richard.sandiford@arm.com>

        * loop-iv.c (canon_condition): Generalize to all types of integer
        constant.

2015-04-29  Bernhard Reuther-Fischer  <aldot@gcc.gnu.org>

        * gimple-walk.c: Prune duplicate or unneeded includes.
        (walk_gimple_asm): Only call parse_input_constraint or
        parse_output_constraint if their findings are used.
        Honour parse_input_constraint and parse_output_constraint
        result.

2015-04-29  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/neon.md (vec_shl<mode>, vec_shr<mode>): Remove.

2015-04-29  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65893
        * passes.def (pass_all_optimizations): Move pass_stdarg to after
        pass_dce.

2015-04-29  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_analyze_group_access): Properly
        compute GROUP_SIZE for basic-block SLP.
        * tree-vect-slp.c (vect_get_place_in_interleaving_chain): Properly
        take into account gaps.
        (vect_get_mask_element): Properly reject references to previous
        vectors.
        (vect_transform_slp_perm_load): Likewise.

2015-04-29  Christian Bruel  <christian.bruel@st.com>

        PR target/64835
        * config/i386/i386.c (ix86_default_align): New function.
        (ix86_override_options_after_change): Call ix86_default_align.
        (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New hook.
        (ix86_override_options_after_change): New function.

2015-04-28  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (record_equality); Fix comment typos.

2015-04-28  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65887
        * gimplify.c (gimplify_modify_expr): Remove ifn_va_arg ap fixup.

2015-04-28  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Declaring Attributes of Functions): Split into
        subsections by target.  Alphabetize the table of common attributes.
        Rewrite some of the introductory text to reflect the new structure.
        Update some cross-references to point to the new subsections.
        (Attribute Syntax): Put paragraph about "__" naming here.  Remove
        duplicate copies in the discussion of function, label, and type
        attributes.

2015-04-28  Dominique d'Humieres  <dominiq@lps.ens.fr>

        PR bootstrap/65910
        * varasm.c (assemble_end_function): Guard ASM_DECLARE_FUNCTION_SIZE.

2015-04-28  Jason Merrill  <jason@redhat.com>

        PR c++/65734
        * stor-layout.c (layout_type): Layout the TYPE_MAIN_VARIANT.
        (finalize_type_size): Respect TYPE_USER_ALIGN.
        (layout_type) [ARRAY_TYPE]: Likewise.

2015-04-28  Yvan Roux  <yvan.roux@linaro.org>

        * config/arm/arm.md (*arm_movt): Fix type attribute.
        (*cmpsi_shiftsi): Likewise.
        (*cmpsi_shiftsi_swp): Likewise.
        (*movsicc_insn): Likewise.
        (*cond_move): Likewise.
        (*if_plus_move): Likewise.
        (*if_move_plus): Likewise.
        (*if_arith_move): Likewise.
        (*if_move_arith): Likewise.
        (*if_shift_move): Likewise.
        (*if_move_shift): Likewise.
        (*arm_movtas_ze): Likewise.
        * config/arm/thumb2.md (*thumb2_movsicc_insn): Fix alternative
        redundancy and type attribute.
        (*thumb2_movsi_insn): Fix type attribute.
        (*thumb2_addsi_short): Likewise.
        (thumb2_addsi3_compare0): Likewise.
        (*thumb2_addsi3_compare0_scratch): Merge alternatives and fix
        attributes accordingly.

2015-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR other/65911
        * function.c (pad_to_arg_alignment): Add parentheses.

2015-04-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/frv/frv.h (CRT_GET_RFIB_DATA): Move definition to
        libgcc/config/frv/elf-lib.h.

2015-04-28  Tom de Vries  <tom@codesourcery.com>

        * tree-call-cdce.c: Fix example in header comment.

2015-04-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/62283
        * tree-vect-slp.c (vect_build_slp_tree): When the SLP build
        fails fatally and we are vectorizing a basic-block simply
        cause the child to be constructed piecewise.
        (vect_analyze_slp_cost_1): Adjust.
        (vect_detect_hybrid_slp_stmts): Likewise.
        (vect_bb_slp_scalar_cost): Likewise.
        (vect_get_constant_vectors): For piecewise constructed
        constants place them after the last def.
        (vect_get_slp_defs): Adjust.
        * tree-vect-stmts.c (vect_is_simple_use): Detect in-BB
        externals for basic-block vectorization.

2015-04-28  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR target/63503
        * config.gcc: Add cortex-a57-fma-steering.o to extra_objs for
        aarch64-*-*.
        * config/aarch64/t-aarch64: Add a rule for cortex-a57-fma-steering.o.
        * config/aarch64/aarch64.h (AARCH64_FL_USE_FMA_STEERING_PASS): Define.
        (AARCH64_TUNE_FMA_STEERING): Likewise.
        * config/aarch64/aarch64-cores.def: Set
        AARCH64_FL_USE_FMA_STEERING_PASS for cores with dynamic steering of
        FMUL/FMADD instructions.
        * config/aarch64/aarch64.c (aarch64_register_fma_steering): Declare.
        (aarch64_override_options): Include cortex-a57-fma-steering.h.  Call
        aarch64_register_fma_steering () if AARCH64_TUNE_FMA_STEERING is true.
        * config/aarch64/cortex-a57-fma-steering.h: New file.
        * config/aarch64/cortex-a57-fma-steering.c: Likewise.

2015-04-28  Richard Sandiford  <richard.sandiford@arm.com>

        * gensupport.c (std_preds): Add missing codes to address_operand entry.

2015-04-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65851
        * tree-ssa-ccp.c (set_lattice_value): Perform a meet when
        changing CONSTANT to CONSTANT non-copy.  Get new_val by reference.
        (ccp_lattice_meet): Remove stray argument.  Use operand_equal_p
        rather than simple_cst_equal as the latter doesn't handle COMPLEX_CST.
        (ccp_visit_phi_node): Adjust.
        (evaluate_stmt): For simplifications to SSA names return its
        lattice value if that isn't VARYING.  Return immediately when
        simplified to a constant.
        (visit_assignment): Adjust.
        (ccp_visit_stmt): Likewise.

2015-04-28  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65818
        * tree-stdarg.c (expand_ifn_va_arg_1): Ensure that side-effects are
        evaluated.

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * calls.c (save_fixed_argument_area): Don't check
        ARGS_GROW_DOWNWARD with the preprocessor.
        (restore_fixed_argument_area): Likewise.
        (mem_overlaps_already_clobbered_arg_p): Likewise.
        (check_sibcall_argument_overlap): Likewise.
        (expand_call): Likewise.
        (emit_library_call_value_1): Likewise.
        (store_one_arg): Likewise.
        * function.c (assign_parms): Likewise.
        (locate_and_pad_parm): Likewise.
        (pad_to_arg_alignment): Likewise.
        * targhooks.c (std_gimplify_va_arg_expr): Likewise.

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * config/pa/pa.h (ARGS_GROW_DOWNWARD): Define to 1.
        * defaults.h (ARGS_GROW_DOWNWARD): Define it to 0 by default.
        * calls.c (save_fixed_argument_area): Don't chekc if
        ARGS_GROW_DOWNWARD is defined.
        (restore_fixed_argument_area): Likewise.
        (mem_overlaps_already_clobbered_arg_p): Likewise.
        (check_sibcall_argument_overlap): Likewise.
        (expand_call): Likewise.
        (emit_library_call_value_1): Likewise.
        (store_one_arg): Likewise.
        * function.c (assign_parms): Likewise.
        (locate_and_pad_parm): Likewise.
        (pad_to_arg_alignment): Likewise.
        * targhooks.c (std_gimplify_va_arg_expr): Likewise.

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (gen_epilogue): New function.
        * alias.c (init_alias_analysis): don't check if HAVE_epilogue is
        defined.
        * cfgrtl.c (cfg_layout_finalize): Likewise.
        * df-scan.c: Likewise.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.
        (reposition_prologue_and_epilogue_notes): Likewise.
        * reorg.c (find_end_label): Likewise.
        * toplev.c: Likewise.

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * bb-reorder.c (HAVE_return): Don't check if its undefined.
        * defaults.h (gen_simple_return): New function.
        (gen_simple_return): Likewise.
        (HAVE_return): Add default definition to false.
        (HAVE_simple_return): Likewise.
        * cfgrtl.c (force_nonfallthru_and_redirect): Remove checks if
        HAVE_return and HAVE_simple_return are defined.
        * function.c (gen_return_pattern): Likewise.
        (convert_jumps_to_returns): Likewise.
        (thread_prologue_and_epilogue_insns): Likewise.
        * reorg.c (find_end_label): Likewise.
        (dbr_schedule): Likewise.
        * shrink-wrap.c: Likewise.
        * shrink-wrap.h: Likewise.

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (EPILOGUE_USES): Add default definition of false.
        * df-scan.c (EPILOGUE_USES): Remove check if its undefined.
        * resource.c (init_resource_info): Likewise.

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (PCC_BITFIELD_TYPE_MATTERS): Add default definition
        to false.
        * dwarf2out.c (field_byte_offset): REmove check if
        PCC_BITFIELD_TYPE_MATTERS is defined.
        * stor-layout.c (layout_decl): Likewise.
        (update_alignment_for_field): Likewise.
        (place_field): Likewise.

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (HARD_REGNO_RENAME_OK): Add default definition to
        true.
        * regrename.c (check_new_reg_p): Remove check if
        HARD_REGNO_RENAME_OK is defined.
        * sel-sched.c (sel_hard_regno_rename_ok): Likewise.

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * calls.c (prepare_call_address): Remove ifdef NO_FUNCTION_CSE.
        * cse.c (fold_rtx): Likewise.
        * config/alpha/alpha.h (NO_FUNCTION_CSE): Define to 1.
        * config/arc/arc.h (NO_FUNCTION_CSE): Likewise.
        * config/avr/avr.h (NO_FUNCTION_CSE): Likewise.
        * config/cr16/cr16.h (NO_FUNCTION_CSE): Likewise.
        * config/epiphany/epiphany.h (NO_FUNCTION_CSE): Likewise.
        * config/frv/frv.h (NO_FUNCTION_CSE): Likewise.
        * config/h8300/h8300.h (NO_FUNCTION_CSE): Likewise.
        * config/i386/i386.h (NO_FUNCTION_CSE): Likewise.
        * config/ia64/ia64.h (NO_FUNCTION_CSE): Likewise.
        * config/lm32/lm32.h (enum reg_class) (NO_FUNCTION_CSE):
        * Likewise.
        * config/m32r/m32r.h (NO_FUNCTION_CSE): Likewise.
        * config/mep/mep.h (NO_FUNCTION_CSE): Likewise.
        * config/mn10300/mn10300.h (NO_FUNCTION_CSE): Likewise.
        * config/nds32/nds32.h (NO_FUNCTION_CSE): Likewise.
        * config/nios2/nios2.h (NO_FUNCTION_CSE): Likewise.
        * config/pa/pa.h (NO_FUNCTION_CSE): Likewise.
        * config/rs6000/rs6000.h (NO_FUNCTION_CSE): Likewise.
        * config/s390/s390.h (NO_FUNCTION_CSE): Likewise.
        * config/sparc/sparc.h (NO_FUNCTION_CSE): Likewise.
        * config/spu/spu.h (NO_FUNCTION_CSE): Likewise.
        * config/stormy16/stormy16.h (NO_FUNCTION_CSE): Likewise.
        * config/v850/v850.h (NO_FUNCTION_CSE): Likewise.
        * defaults.h (NO_FUNCTION_CSE): Provide default definition to 0.
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in: Document NO_FUNCTION_CSE is always defined to
        either true or false.

2015-04-27  Jeff Law  <law@redhat.com>

        PR tree-optimization/65217
        * tree-ssa-dom.c (record_equality): Given two SSA_NAMEs, if just one
        of them has a single use, make sure it is the LHS of the implied
        copy.

2015-04-28  Alan Modra  <amodra@gmail.com>

        PR target/65810
        * config/rs6000/rs6000.c (POWERPC64_TOC_POINTER_ALIGNMENT): Define.
        (offsettable_ok_by_alignment): Use minimum of decl and toc
        pointer alignment.  Replace dead code with assertion.
        (use_toc_relative_ref): Add mode arg.  Return false in -mcmodel=medium
        case if size exceeds toc pointer alignment.
        (rs6000_legitimize_reload_address): Update use_toc_relative_ref call.
        (rs6000_emit_move): Likewise.
        * configure.ac: Add linker toc pointer alignment check.
        * configure: Regenerate.
        * config.in: Regenerate.

2015-04-27  Yoshinori Sato <ysato@users.sourceforge.jp>

        * config.gcc: Add h8300-*-linux.
        * config/h8300/linux.h: New.
        * config/h8300/t-linux: New.
        * config/h8300/h8300.c (h8300_option_override): Normal mode
        is not supported for h8300-*-linux.
        (h8300_file_start): Target priority change.
        (get_shift_alg): Likewise.
        (h8300_shift_need_scratch_p): Likewise.
        * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Likewise.
        * config/h8300/h8300.md (define_peephole2): Remove duplicate condition.

2015-04-27  Caroline Tice  <cmtice@google.com>

        * final.c (final_scan_insn):  Output cold_function_name as function
        type.
        * varasm.c (cold_function_name):  Make global.
        (assemble_start_function):  Re-set cold_function_name.
        (assemble_end_function): Output cold partition size.
        * varasm.h (cold_function_name):  Declare global.

2015-04-27  Ilya Tocar  <ilya.tocar@intel.com>

        * config/i386/i386.h (EXT_REX_SSE_REG_P): New.
        * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>_mixed): Use "v"
        constraint.
        (*movxi_internal_avx512f): Ditto.
        (define_split): Check for xmm16+, when splitting scalar float_extend.
        (*extendsfdf2_mixed): Use "v" constraint.
        (define_split): Check for xmm16+, when splitting scalar float_truncate.
        (*truncdfsf_fast_sse): Use "v" constraint.
        (fix_trunc<MODEF:mode><SWI48:mode>_sse): Ditto.
        (*float<SWI48:mode><MODEF:mode>2_sse): Ditto.
        (define_peephole2): Check for xmm16+, when converting scalar
        float_truncate.
        (define_peephole2): Check for xmm16+, when converting scalar
        float_extend.
        (*fop_<mode>_comm_mixed): Use "v" constraint.
        (*fop_<mode>_comm_sse): Ditto.
        (*fop_<mode>_1_mixed): Ditto.
        (*sqrt<mode>2_sse): Ditto.
        (*ieee_s<ieee_maxmin><mode>3): Ditto.

2015-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * combine.c (simplify_if_then_else): Use std::swap instead
        of manually swapping.
        (known_cond): Likewise.
        (simplify_comparison): Likewise.

2015-04-27  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/64579
        * config/rs6000/htm.md: Remove all define_expands.
        (UNSPECV_HTM_TABORTDC, UNSPECV_HTM_TABORTDCI, UNSPECV_HTM_TABORTWC,
        UNSPECV_HTM_TABORTWCI): Remove.
        (UNSPECV_HTM_TABORTXC, UNSPECV_HTM_TABORTXCI, UNSPECV_HTM_TTEST): New.
        (tabort_internal, tbegin_internal, tcheck_internal, tend_internal,
        trechkpt_internal, treclaim_internal, tsr_internal): Rename from this...
        (tabort, tbegin, tcheck, tend, trechkpt, treclaim, tsr): ...to this.
        (tabortdc_internal, tabortdci_internal, tabortwc_internal,
        tabortwci_internal): Remove define_insns.
        (tabort<wd>c, tabort<wd>ci): New define_insns.
        (tabort): Use gpc_reg_operand.
        (tcheck): Remove operand.
        (htm_mfspr_<mode>, htm_mtspr_<mode>): Use GPR mode macro.
        * config/rs6000/htmxlintrin.h (__TM_end): Use _HTM_TRANSACTIONAL as
        expected value.
        * config/rs6000/rs6000-builtin.def (BU_HTM_SPR0): Remove.
        (BU_HTM_SPR1): Rename to BU_HTM_V1.  Remove use of RS6000_BTC_SPR.
        (tabort, tabortdc, tabortdci, tabortwc, tabortwci, tbegin,
        tcheck, tend, tendall, trechkpt, treclaim, tresume, tsuspend,
        tsr, ttest): Pass in the RS6000_BTC_CR attribute.
        (get_tfhar, set_tfhar, get_tfiar, set_tfiar, get_texasr, set_texasr,
        get_texasru, set_texasru): Pass in the RS6000_BTC_SPR attribute.
        (tcheck): Remove builtin argument.
        * config/rs6000/rs6000.c (rs6000_htm_spr_icode): Use TARGET_POWERPC64
        not TARGET_64BIT.
        (htm_expand_builtin): Fix usage of expandedp.  Disallow usage of the
        tabortdc and tabortdci builtins when not in 64-bit mode.
        Modify code to handle the loss of the HTM define_expands.
        Emit code to copy the CR register to TARGET.
        (htm_init_builtins): Modify code to handle the loss of the HTM
        define_expands.
        * config/rs6000/rs6000.h (RS6000_BTC_32BIT): Delete.
        (RS6000_BTC_64BIT): Likewise.
        (RS6000_BTC_CR): New macro.
        * doc/extend.texi: Update documentation for htm builtins.

2015-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * simplify-rtx.c (simplify_gen_binary): Use std::swap instead
        of manually swapping.
        (simplify_associative_operation): Likewise.
        (simplify_binary_operation): Likewise.
        (simplify_plus_minus): Likewise.
        (simplify_relational_operation): Likewise.
        (simplify_ternary_operation): Likewise.

2015-04-27  Richard Sandiford  <richard.sandiford@arm.com>

        * config/stormy16/predicates.md (xs_hi_general_operand): Delete.
        (xs_hi_nonmemory_operand): Remove error.
        * config/stormy16/stormy16.md (movhi, movhi_internal): Use
        general_operand rather than xs_hi_general_operand.

2015-04-27  Richard Biener  <rguenther@suse.de>

        * tree-ssa-dom.c (record_equivalences_from_phis): Valueize PHI arg.
        (record_equivalences_from_stmt): Valueize rhs.
        (record_equality): Canonicalize x and y order via
        tree_swap_operands_p.  Do not swap operands for same loop depth.

2015-04-27  Georg-Johann Lay  <avr@gjlay.de>

        PR target/65296
        PR target/65895
        * config/avr/gen-avr-mmcu-specs.c (print_mcu): Close file.
        Add hint how to use own spec file.

2015-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65875
        * tree-vrp.c (update_value_range): If in is_new case setting
        old_vr to VR_VARYING, also set new_vr to it.  Remove
        old_vr->type == VR_VARYING test.
        (vrp_visit_phi_node): Return SSA_PROP_VARYING instead of
        SSA_PROP_INTERESTING if update_value_range returned true,
        but new range is VR_VARYING.

2015-04-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * combine.c (sign_extend_short_imm): New.
        (set_nonzero_bits_and_sign_copies): Use above new function for sign
        extension of src short immediate.
        (reg_nonzero_bits_for_combine): Likewise for tem.

2015-04-27  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (self_referential_component_ref_p): New predicate.
        (copy_self_referential_tree_r): Use it.
        (self_referential_size): Punt for simple operations directly involving
        self-referential component references.
        * tree-cfg.c (dump_function_to_file): Add missing final curly bracket.

2015-04-27  Eric Botcazou  <ebotcazou@adacore.com>

        * ipa-icf.c (icf_handled_component_p): Remove redundant tests.

2015-04-27  Richard Sandiford  <richard.sandiford@arm.com>

        * vec.h (vec): Make splice arguments const.  Update definitions
        accordingly.

2015-04-27  Yvan Roux  <yvan.roux@linaro.org>

        * config/arm/arm.md (*arm_subsi3_insn): Fixed redundant
        alternatives.

2015-04-26  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65826
        * internal-fn.def: Mark VA_ARG with ECF_LEAF.

2015-04-24  Steve Ellcey  <sellcey@imgtec.com>

        * config/mips/mips.md: (*madd4<mode>) Remove accum_in attribute.
        (*madd3<mode>): Ditto.
        (*msub4<mode>): Ditto.
        (*msub3<mode>): Ditto.
        (*nmadd4<mode>): Ditto.
        (*nmadd3<mode>): Ditto.
        (*nmadd4<mode>_fastmath): Ditto.
        (*nmadd3<mode>_fastmath): Ditto.
        (*nmsub4<mode>): Ditto.
        (*nmsub3<mode>): Ditto.
        (*nmsub4<mode>_fastmath): Ditto.
        (*nmsub3<mode>_fastmath): Ditto.

2015-04-24  Jason Merrill  <jason@redhat.com>

        PR c++/50800
        * tree.c (build_reference_type_for_mode): Don't pass can_alias_all
        down when building TYPE_CANONICAL.
        (build_pointer_type_for_mode): Likewise.

2015-04-24  Chen Gang  <gang.chen.5i5j@gmail.com>

        * genrecog.c (validate_pattern): Check matching constraint refers
        to a lower numbered operand.

2015-04-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/65849
        * config/rs6000/rs6000.opt (-mvsx-align-128): Make options that
        save to independent variables use the Save attribute.  This will
        allow these options to be modified with the #pragma/attribute
        target support.
        (-mallow-movmisalign): Likewise.
        (-mallow-df-permute): Likewise.
        (-msched-groups): Likewise.
        (-malways-hint): Likewise.
        (-malign-branch-targets): Likewise.
        (-mvectorize-builtins): Likewise.
        (-msave-toc-indirect): Likewise.

        * config/rs6000/rs6000.c (rs6000_opt_masks): Add more options that
        can be set via the #pragma/attribute target support.
        (rs6000_opt_vars): Likewise.
        (rs6000_inner_target_options): If VSX was set, also set
        -mno-avoid-indexed-addresses.

2015-04-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/iterators.md (shiftable_ops): Rename to...
        (SHIFTABLE_OPS): ... This.  Update use in comments.
        (ior_xor): Rename to...
        (IOR_XOR): ... This.
        (vqh_ops): Rename to...
        (VQH_OPS): ... This.
        (vqhs_ops): Rename to...
        (VQHS_OPS): ... This.
        (rshifts): Rename to...
        (RSHIFTS): ... This.
        (returns): Rename to...
        (RETURNS): ... This.
        * config/arm/arm.md: Update uses of the above.
        * config/arm/neon.md: Likewise.

2014-04-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config.host (case ${host}): Add aarch64*-*-linux case.
        * config/aarch64/aarch64-cores.def: Add IMPLEMENTER_ID and PART_NUMBER
        fields to all the cores.
        * config/aarch64/aarch64-elf.h (DRIVER_SELF_SPECS):
        Add MCPU_MTUNE_NATIVE_SPECS.
        * config/aarch64/aarch64-option-extensions.def: Add FEATURE_STRING
        field to all extensions.
        * config/aarch64/aarch64-opts.h: Adjust definition of AARCH64_CORE.
        * config/aarch64/aarch64.c: Adjust definition of AARCH64_CORE.
        Adjust definition of AARCH64_OPT_EXTENSION.
        * config/aarch64/aarch64.h: Adjust definition of AARCH64_CORE.
        (MCPU_MTUNE_NATIVE_SPECS): Define.
        * config/aarch64/driver-aarch64.c: New file.
        * config/aarch64/x-arch64: New file.
        * doc/invoke.texi (AArch64 Options): Document native value for -mcpu,
        -mtune and -march.

2015-04-24  Uros Bizjak  <ubizjak@gmail.com>
            Wei Mi  <wmi@google.com>

        * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple): New.
        * config/i386/i386.c (extract_base_offset_in_addr): New function.
        (ix86_operands_ok_for_move_multiple): Ditto.
        * config/i386/sse.md (movsd/movhpd to movupd peephole2): New pattern.
        (movlpd/movhpd to movupd peephole2): Ditto.

2015-04-24  Marek Polacek  <polacek@redhat.com>

        PR c/61534
        * input.h (from_macro_expansion_at): Define.

        PR c/63357
        * doc/invoke.texi: Update description of -Wlogical-op.

2015-04-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): fix
        ternary operator in fprintf and harmonize spacing.

2015-04-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*vec_widen_smult_even_v8si<mask_name>):
        Mark operand1 commutative.

2015-04-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): Do not allow both
        input operands in memory.
        (*vec_concatv2si_sse4_1): Ditto.
        (*vec_concatv2df): Ditto, except for SSE3 and equal input operands.
        (vec_extract_lo_<mode><mask_name>): Change operand 1 predicate to
        register_operand.
        (vec_extract_hi_v32hi): Ditto.
        (vec_extract_hi_v64hi): Ditto.
        (<mask_codefor>avx512f_unpckhpd512<mask_name>): Ditto.

2015-04-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
            Steven Bosscher <steven@gcc.gnu.org>

        PR rtl-optimization/34503
        * cprop.c (cprop_reg_p): New.
        (hash_scan_set): Use above function to check if register can be
        propagated.
        (find_avail_set): Return up to two sets, one whose source is a
        register and one whose source is a constant.  Sets are returned in an
        array passed as parameter rather than as a return value.
        (cprop_insn): Use a do while loop rather than a goto.  Try each of the
        sets returned by find_avail_set, starting with the one whose source is
        a constant. Use cprop_reg_p to check if register can be propagated.
        (do_local_cprop): Use cprop_reg_p to check if register can be
        propagated.
        (implicit_set_cond_p): Likewise.

2015-04-23  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_function::equals_wpa): Compare thunk info.
        (sem_function::equals): IGNORED_NODES parameter is now unused;
        update call of equals_private.
        (sem_function::equals_private): Do not call equals_wpa; skip
        gimple body matching if there is no body.
        (sem_function::init): Add logic to hash tthunk info.
        (sem_function::parse): Also parse thunks.
        * ipa-icf.h (equals_private): Update declaration.

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (*altivec_lvx_<mode>_internal): Remove
        asterisk from name so this can be generated directly.
        (*altivec_stvx_<mode>_internal): Likewise.
        * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Add assert
        that this is never called during or after reload/lra.
        (rs6000_frame_related): Remove split_reg
        argument and logic that references it.
        (emit_frame_save): Remove last parameter from call to
        rs6000_frame_related.
        (rs6000_emit_prologue): Remove last parameter from eight calls to
        rs6000_frame_related.  Force generation of stvx instruction for
        Altivec register saves.  Remove split_reg handling, which is no
        longer needed.
        (rs6000_emit_epilogue):  Force generation of lvx instruction for
        Altivec register restores.

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.opt (mcrypto): Change option description to
        match category changes in ISA 2.07B.

2015-04-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/iterators.md (GTGE, GTUGEU, COMPARISONS): New code
        iterators.
        (cmp_op, cmp_type): New code attributes.
        (NEON_VCMP, NEON_VACMP): New int iterators.
        (cmp_op_unsp): New int attribute.
        * config/arm/neon.md (neon_vc<cmp_op><mode>): New define_expand.
        (neon_vceq<mode>): Delete.
        (neon_vc<cmp_op><mode>_insn): New pattern.
        (neon_vc<cmp_op_unsp><mode>_insn_unspec): Likewise.
        (neon_vcgeu<mode>): Delete.
        (neon_vcle<mode>): Likewise.
        (neon_vclt<mode>: Likewise.
        (neon_vcage<mode>): Likewise.
        (neon_vcagt<mode>): Likewise.
        (neon_vca<cmp_op><mode>): New define_expand.
        (neon_vca<cmp_op><mode>_insn): New pattern.
        (neon_vca<cmp_op_unsp><mode>_insn_unspec): Likewise.

2015-04-23  Jan Hubicka  <hubicka@ucw.cz>

        * tree.h (attribute_value_equal): Declare.
        * tree.c (attribute_value_equal): Export.

2015-04-23  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_item::compare_attributes): New function.
        (sem_item::compare_referenced_symbol_properties): Compare variable
        attributes.
        (sem_item::hash_referenced_symbol_properties): Record DECL_ALIGN.
        (sem_function::param_used_p): New function.
        (sem_function::equals_wpa): Fix attribute comparsion; match
        parameter type codes; do not compare paremter flags when
        they are not used; compare edge flags; compare indirect calls.
        (sem_item::update_hash_by_addr_refs): Hash reference type.
        (sem_function::equals_private): Do not match DECL_ATTRIBUTES.
        (sem_variable::equals_wpa): Do not match DECL_ALIGN; match
        reference use type.
        (sem_item_optimizer::update_hash_by_addr_refs): Use param_used_p.
        * ipa-icf.h (compare_attributes, param_used_p): Declare.

2015-04-23  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (symbol_compare_collection::symbol_compare_collection):
        cleanup.
        (sem_function::get_hash): Do not hash DECL_DISREGARD_INLINE_LIMITS,
        DECL_DECLARED_INLINE_P and DECL_IS_OPERATOR_NEW.
        (sem_item::compare_referenced_symbol_properties): New.
        (sem_item::hash_referenced_symbol_properties): New.
        (sem_item::compare_cgraph_references): Rename to ...
        (sem_item::compare_symbol_references): ... this one; use
        compare_referenced_symbol_properties.
        (sem_function::equals_wpa): Do not compare
        DECL_DISREGARD_INLINE_LIMITS, DECL_DECLARED_INLINE_P,
        DECL_IS_OPERATOR_NEW; compare pointer sizes.
        (sem_item::update_hash_by_addr_refs): Call
        hash_referenced_symbol_properties.
        (sem_item::update_hash_by_local_refs): Cleanup.
        (sem_function::merge): Do not mix up symbol properties.
        (sem_variable::equals_wpa): Use compare_symbol_references.
        * ipa-icf.h (sem_item::compare_referenced_symbol_properties): New.
        (sem_item::hash_referenced_symbol_properties): New.
        (sem_item::compare_symbol_references): New.
        (sem_item::compare_cgraph_references): Remove.

2015-04-23  Kwok Cheung Yeung  <kcy@codesourcery.com>

        PR target/26702
        * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL):
        Emit size of local.

2015-04-23  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_preferred_reload_class): Add
        ATTRIBUTE_UNUSED to x parameter.
        * config/rl78/rl78-opts.h (enum rl78_mul_types): Remove unused MUL_RL78.

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/crypto.md (crypto_vpmsum<CR_char>): Change
        TARGET_CRYPTO to TARGET_P8_VECTOR>
        (crypto_vpermxor_<mode>): Likewise.
        * config/rs6000/rs6000-builtin.def (BU_CRYPTO_2A): New #define.
        (BU_CRYPTO_3A): Likewise.
        (BU_CRYPTO_OVERLOAD_2A): Rename from BU_CRYPTO_OVERLOAD_2.
        (BU_CRYPTO_OVERLOAD_3A): New #define.
        (VPMSUMB): Change from BU_CRYPTO_2 to BU_CRYPTO_2A.
        (VPMSUMH): Likewise.
        (VPMSUMW): Likewise.
        (VPMSUMD): Likewise.
        (VPERMXOR_V2DI): Change from BU_CRYPTO_3 to BU_CRYPTO_3A.
        (VPERMXOR_V4SI): Likewise.
        (VPERMXOR_V8HI): Likewise.
        (VPERMXOR_V16QI): Likewise.
        (VPMSUM): Change from BU_CRYPTO_OVERLOAD_2 to
        BU_CRYPTO_OVERLOAD_2A.
        (VPERMXOR): Change from BU_CRYPTO_OVERLOAD3 to
        BU_CRYPTO_OVERLOAD_3A.
        * config/rs6000/rs6000.opt (mcrypto): Change description of
        option.

2015-04-23  Richard Biener  <rguenther@suse.de>

        * passes.def: Remove copy propagation passes run directly after CCP.
        * tree-ssa-ccp.c (get_value_for_expr): Fall back to a COPY for
        SSA names.
        (ccp_visit_phi_node): Rework to handle first executable edge
        specially.

2015-04-23  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
        (ARM_LEGITIMIZE_RELOAD_ADDRESS): Remove.
        (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Remove.
        * config/arm/arm.c (arm_legimitimize_reload_address): Remove.
        (thumb_legimitimize_reload_address): Remove.
        * config/arm/arm-protos.h (arm_legimitimize_reload_address):
        Remove.
        (thumb_legimitimize_reload_address): Remove.

2015-04-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * conditions.h (CC_STATUS_INIT): Gate on #ifndef CC_STATUS_INIT.

2015-04-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.md (load_multiple): Reject operand 2 greater than
        MAX_LDM_STM_OPS.
        (store_multiple): Likewise.

2015-04-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm-protos.h (struct tune_params): Add issue_rate field.
        * config/arm/arm.c (arm_slowmul_tune, arm_fastmul_tune,
        arm_strongarm_tune, arm_xscale_tune, arm_9e_tune, arm_v6t2_tune,
        arm_cortex_tune, arm_cortex_a8_tune, arm_cortex_a7_tune,
        arm_cortex_a15_tune, arm_cortex_a53_tune, arm_cortex_a57_tune,
        arm_cortex_a9_tune, arm_cortex_a12_tune, arm_v7m_tune, arm_v6m_tune,
        arm_fa726te_tune arm_cortex_a5_tune, arm_xgene1_tune):
        Specify issue_rate value.
        (arm_issue_rate): Look up issue rate from tuning structs. Remove
        large switch statement.
        (arm_marvell_pj4_tune): New struct.
        * config/arm/arm-cores.def (marvell-pj4): Use arm_marvell_pj4_tune
        struct.

2015-04-23  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_find_first_load_in_slp_instance): Remove.
        (vect_find_last_store_in_slp_instance): Rename to ...
        (vect_find_last_scalar_stmt_in_slp): ... this and generalize.
        (vect_analyze_slp_cost_1): Use vector_load for constant defs
        and vec_construct for external defs when estimating prologue cost.
        (vect_analyze_slp_instance): Do not init SLP_INSTANCE_FIRST_LOAD_STMT.
        Compute costs here only when vectorizing loops.
        (vect_slp_analyze_bb_1): Compute SLP cost here, after vector types
        have been determined.
        (vect_schedule_slp_instance): Simplify vectorized code placement
        and prepare for in-BB external defs.
        * tree-vectorizer.h (struct _slp_instance): Remove first_load member.
        (SLP_INSTANCE_FIRST_LOAD_STMT): Remove.
        * tree-vect-stmts.c (vect_model_store_cost): Remove PURE_SLP_STMT
        guard.
        (vect_model_load_cost): Likewise.
        (vectorizable_store): Instead add it here.
        (vectorizable_load): Likewise.
        (vect_is_simple_use): Dump def type textually.

2015-04-23  Richard Biener  <rguenther@suse.de>

        * cfgexpand.c (expand_gimple_stmt_1): Use ops.code.
        * cfgloop.c (verify_loop_structure): Verify the root loop node.
        * except.c (duplicate_eh_regions): Call get_eh_region_from_lp_number_fn
        instead of get_eh_region_from_lp_number.
        * loop-init.c (fix_loop_structure): If we removed a loop, reset
        the SCEV cache.

2015-04-23  Anton Blanchard  <anton@samba.org>

        * config/rs6000/rs6000.c (rs6000_output_function_prologue): No
        need for -mprofile-kernel to save LR to stack.

2015-04-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rtx_is_swappable_p): Commentary
        adjustments.
        (insn_is_swappable_p): Return 1 for a convert from double to
        single precision when all of its uses are splats of BE element
        zero.

2015-04-23  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * ira-costs.c (record_operand_costs): Fix typo (remove redundant code).

2015-04-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/65456
        * config/rs6000/rs6000.c (rs6000_option_override_internal):  For
        VSX + POWER8, enable TARGET_ALLOW_MOVMISALIGN and
        TARGET_EFFICIENT_UNALIGNED_VSX if not selected by command line
        option.
        (rs6000_builtin_mask_for_load): Return 0 for targets with
        efficient unaligned VSX accesses so that the vectorizer will use
        direct unaligned loads.
        (rs6000_builtin_support_vector_misalignment): Always return true
        for targets with efficient unaligned VSX accesses.
        (rs6000_builtin_vectorization_cost): Cost of unaligned loads and
        stores on targets with efficient unaligned VSX accesses is almost
        always the same as the cost of an aligned load or store, so model
        it that way.
        * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Return 0 for
        unaligned vectors if we have efficient unaligned VSX accesses.
        * config/rs6000/rs6000.opt (mefficient-unaligned-vector): New
        undocumented option.

2015-04-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        Revert:
        2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>

        * config.gcc (LIBC_MUSL): New tm_defines macro.
        * config/linux.h (OPTION_MUSL): Define.
        (INCLUDE_DEFAULTS_MUSL_GPP, INCLUDE_DEFAULTS_MUSL_LOCAL,)
        (INCLUDE_DEFAULTS_MUSL_PREFIX, INCLUDE_DEFAULTS_MUSL_CROSS,)
        (INCLUDE_DEFAULTS_MUSL_TOOL, INCLUDE_DEFAULTS_MUSL_NATIVE): Define.

        * config/linux.opt (mmusl): New option.
        * configure.ac (gcc_cv_libc_provides_ssp): Add *-*-musl*.
        (gcc_cv_target_dl_iterate_phdr): Add *-linux-musl*.

        * configure: Regenerate.

2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>

        * config.gcc (LIBC_MUSL): New tm_defines macro.
        * config/linux.h (OPTION_MUSL): Define.
        (INCLUDE_DEFAULTS_MUSL_GPP, INCLUDE_DEFAULTS_MUSL_LOCAL,)
        (INCLUDE_DEFAULTS_MUSL_PREFIX, INCLUDE_DEFAULTS_MUSL_CROSS,)
        (INCLUDE_DEFAULTS_MUSL_TOOL, INCLUDE_DEFAULTS_MUSL_NATIVE): Define.

        * config/linux.opt (mmusl): New option.
        * configure.ac (gcc_cv_libc_provides_ssp): Add *-*-musl*.
        (gcc_cv_target_dl_iterate_phdr): Add *-linux-musl*.

        * configure: Regenerate.

2015-04-22  Yury Gribov  <y.gribov@samsung.com>

        * doc/invoke.texi (-fsanitize-sections): Update description.
        * asan.c (set_sanitized_sections): Parse incoming arg.
        (section_sanitized_p): Support wildcards.

2015-04-22  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65823
        * gimplify.c (gimplify_modify_expr): Use operand_equal_p to test for
        equality between ap_copy and ap.

2015-04-22  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR target/47098
        * config/openbsd-oldgas.h (OBSD_LIB_SPEC): Add.

2015-04-22  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR target/47122
        * config.gcc (vax-*-openbsd*): Fix name of pthread spec header.

2015-04-22  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR target/55144
        * config.gcc (bfin*-linux-uclibc*): Prepend tmake_file and
        remove already contained t-files.

2015-04-22  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * tree-tailcall.c (suitable_for_tail_opt_p, find_tail_calls):
        Remove unneeded forward declarations.
        (suitable_for_tail_call_opt_p): Commentary typo fix.

2015-04-22  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * varasm.c (emit_bss): Remove redundant guard.

2015-04-22  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * config/c6x/c6x.h (TARGET_CPU_CPP_BUILTINS): Add unk_isa.

2015-04-22  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Add BFIN_CPU_UNKNOWN.

2015-04-22  Hale Wang  <hale.wang@arm.com>
            Terry Guo  <terry.guo@arm.com>

        PR rtl-optimization/64818
        * combine.c (can_combine_p): Don't combine user-specified
        register if it is in an asm input.

2015-04-21  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65076
        * passes.def (early_optimizations): Add pass_dse.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (INSN_REFERENCES_ARE_DELAYED): New definition.
        * reorg.c (redundant_insn): Remove ifdef
        INSN_REFERENCES_ARE_DELAYED.
        * resource.c (mark_referenced_resources): Likewise.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (INSN_SETS_ARE_DELAYED): New definition.
        * reorg.c (redundant_insn): Remove ifdef INSN_SETS_ARE_DELAYED.
        * resource.c (mark_set_resources): Likewise.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * caller-save.c (insert_one_insn): Remove ifdef HAVE_cc0.
        * cfgcleanup.c (flow_find_cross_jump): Likewise.
        (flow_find_head_matching_sequence): Likewise.
        (try_head_merge_bb): Likewise.
        * combine.c (can_combine_p): Likewise.
        (try_combine): Likewise.
        (distribute_notes): Likewise.
        * df-problems.c (can_move_insns_across): Likewise.
        * final.c (final): Likewise.
        * gcse.c (insert_insn_end_basic_block): Likewise.
        * ira.c (find_moveable_pseudos): Likewise.
        * reorg.c (try_merge_delay_insns): Likewise.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        * sched-deps.c (sched_analyze_2): Likewise.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * df-scan.c (df_get_entry_block_def_set): Remove #ifdef
        PIC_OFFSET_TABLE_REGNUM.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * alias.c (init_alias_target): Remove ifdef
        * HARD_FRAME_POINTER_IS_FRAME_POINTER.
        * df-scan.c (df_insn_refs_collect): Likewise.
        (df_get_regular_block_artificial_uses): Likewise.
        (df_get_eh_block_artificial_uses): Likewise.
        (df_get_entry_block_def_set): Likewise.
        (df_get_exit_block_use_set): Likewise.
        * emit-rtl.c (gen_rtx_REG): Likewise.
        * ira.c (ira_setup_eliminable_regset): Likewise.
        * reginfo.c (init_reg_sets_1): Likewise.
        * regrename.c (rename_chains): Likewise.
        * reload1.c (reload): Likewise.
        (eliminate_regs_in_insn): Likewise.
        * resource.c (mark_referenced_resources): Likewise.
        (init_resource_info): Likewise.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (MASK_RETURN_ADDR): New definition.
        * except.c (expand_builtin_extract_return_addr): Remove ifdef
        MASK_RETURN_ADDR.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h (RETURN_ADDR_OFFSET): New definition.
        * except.c (expand_builtin_extract_return_addr): Remove ifdef
        RETURN_ADDR_OFFSET.
        (expand_builtin_frob_return_addr): Likewise.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * cfgrtl.c (rtl_merge_blocks): Change #if HAVE_cc0 to if (HAVE_cc0)
        (try_redirect_by_replacing_jump): Likewise.
        (rtl_tidy_fallthru_edge): Likewise.
        * combine.c (insn_a_feeds_b): Likewise.
        (find_split_point): Likewise.
        (simplify_set): Likewise.
        * cprop.c (cprop_jump): Likewise.
        * cse.c (cse_extended_basic_block): Likewise.
        * df-problems.c (can_move_insns_across): Likewise.
        * function.c (emit_use_return_register_into_block): Likewise.
        * haifa-sched.c (sched_init): Likewise.
        * ira.c (find_moveable_pseudos): Likewise.
        * loop-invariant.c (find_invariant_insn): Likewise.
        * lra-constraints.c (curr_insn_transform): Likewise.
        * postreload.c (reload_combine_recognize_const_pattern):
        * Likewise.
        * reload.c (find_reloads): Likewise.
        * reorg.c (delete_scheduled_jump): Likewise.
        (steal_delay_list_from_target): Likewise.
        (steal_delay_list_from_fallthrough): Likewise.
        (redundant_insn): Likewise.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        (delete_computation): Likewise.
        * sched-rgn.c (add_branch_dependences): Likewise.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * genconfig.c (main): Always define HAVE_cc0.
        * caller-save.c (insert_one_insn): Change ifdef HAVE_cc0 to #if
        HAVE_cc0.
        * cfgcleanup.c (flow_find_cross_jump): Likewise.
        (flow_find_head_matching_sequence): Likewise.
        (try_head_merge_bb): Likewise.
        * cfgrtl.c (rtl_merge_blocks): Likewise.
        (try_redirect_by_replacing_jump): Likewise.
        (rtl_tidy_fallthru_edge): Likewise.
        * combine.c (do_SUBST_MODE): Likewise.
        (insn_a_feeds_b): Likewise.
        (combine_instructions): Likewise.
        (can_combine_p): Likewise.
        (try_combine): Likewise.
        (find_split_point): Likewise.
        (subst): Likewise.
        (simplify_set): Likewise.
        (distribute_notes): Likewise.
        * cprop.c (cprop_jump): Likewise.
        * cse.c (cse_extended_basic_block): Likewise.
        * df-problems.c (can_move_insns_across): Likewise.
        * final.c (final): Likewise.
        (final_scan_insn): Likewise.
        * function.c (emit_use_return_register_into_block): Likewise.
        * gcse.c (insert_insn_end_basic_block): Likewise.
        * haifa-sched.c (sched_init): Likewise.
        * ira.c (find_moveable_pseudos): Likewise.
        * loop-invariant.c (find_invariant_insn): Likewise.
        * lra-constraints.c (curr_insn_transform): Likewise.
        * optabs.c (prepare_cmp_insn): Likewise.
        * postreload.c (reload_combine_recognize_const_pattern):
        * Likewise.
        * reload.c (find_reloads): Likewise.
        (find_reloads_address_1): Likewise.
        * reorg.c (delete_scheduled_jump): Likewise.
        (steal_delay_list_from_target): Likewise.
        (steal_delay_list_from_fallthrough): Likewise.
        (try_merge_delay_insns): Likewise.
        (redundant_insn): Likewise.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        (delete_computation): Likewise.
        (relax_delay_slots): Likewise.
        * sched-deps.c (sched_analyze_2): Likewise.
        * sched-rgn.c (add_branch_dependences): Likewise.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * combine.c (find_single_use): Remove HAVE_cc0 ifdef for code
        that is trivially ded on non cc0 targets.
        (simplify_set): Likewise.
        (mark_used_regs_combine): Likewise.
        * cse.c (new_basic_block): Likewise.
        (fold_rtx): Likewise.
        (cse_insn): Likewise.
        (cse_extended_basic_block): Likewise.
        (set_live_p): Likewise.
        * rtlanal.c (canonicalize_condition): Likewise.
        * simplify-rtx.c (simplify_binary_operation_1): Likewise.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * conditions.h: Define macros even if HAVE_cc0 is undefined.
        * emit-rtl.c: Define functions even if HAVE_cc0 is undefined.
        * final.c: Likewise.
        * jump.c: Likewise.
        * recog.c: Likewise.
        * recog.h: Declare functions even when HAVE_cc0 is undefined.
        * sched-deps.c (sched_analyze_2): Always compile case for cc0.

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * defaults.h: New definition of EH_RETURN_DATA_REGNO.
        * except.c: Remove definition of EH_RETURN_DATA_REGNO.
        * builtins.c (expand_builtin): Remove check if
        EH_RETURN_DATA_REGNO is defined.
        * df-scan.c (df_bb_refs_collect): Likewise.
        (df_get_exit_block_use_set): Likewise.
        * haifa-sched.c (initiate_bb_reg_pressure_info): Likewise.
        * ira-lives.c (process_bb_node_lives): Likewise.
        * lra-lives.c (process_bb_lives): Likewise.

2015-04-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ARGP_REG, FRAME_REG, BND2_REG, BND3_REG,
        FIRST_PSEUDO_REG): New.
        * config/i386/i386.h (STACK_POINTER_REGNUM): Define to SP_REG.
        (ARG_POINTER_REGNUM): Define to ARGP_REG.
        (FRAME_POINTER_REGNUM): Define to FRAME_REG.
        (HARD_FRAME_POINTER_REGNUM): Define to BP_REG.
        (FIRST_PSEUDO_REGISTER): Define to FIRST_PSEUDO_REG.
        (FIRST_INT_REG): New.
        (LAST_INT_REG): New.
        (FIRST_*_REG): Define using *_REG.
        (LAST_*_REG): Ditto.
        (QI_REGNO_P): Define using FIRST_QU_REG and LAST_QI_REG.
        (LEGACY_INT_REGNO_P): Define using FIRST_INT_REG and LAST_INT_REG.
        (FIRST_FLOAT_REG): Define to FIRST_STACK_REG.

2015-04-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * expmed.c: (synth_mult): Only assume overlapping
        shift with previous steps in alg_sub_t_m2 case.

2015-04-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65650
        * tree-ssa-ccp.c (valid_lattice_transition): Allow lattice
        transitions involving copies.
        (set_lattice_value): Adjust for copy lattice state.
        (ccp_lattice_meet): Do not merge UNDEFINED and a copy to the copy
        if that doesn't dominate the merge point.
        (bit_value_unop): Adjust what we treat as varying mask.
        (bit_value_binop): Likewise.
        (bit_value_assume_aligned): Likewise.
        (evaluate_stmt): When we simplified to a SSA name record a copy
        instead of dropping to varying.
        (visit_assignment): Simplify.

        * gimple-match.h (gimple_simplify): Add another callback.
        * gimple-fold.c (fold_stmt_1): Adjust caller.
        (gimple_fold_stmt_to_constant_1): Likewise - pass valueize
        for the 2nd callback.
        * gimple-match-head.c (gimple_simplify): Add a callback that is
        used to valueize the stmt operands and use it that way.

2015-04-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65788
        * tree-ssa-ccp.c (evaluate_stmt): Evaluate to UNDEFINED early.

2015-04-21  Richard Biener  <rguenther@suse.de>

        * config/i386/i386.c (ix86_builtin_vectorization_cost): Scale
        vec_construct cost by vec_stmt_cost.

2015-04-21  Richard Biener  <rguenther@suse.de>

        * cfghooks.h (create_basic_block): Replace with two overloads
        for RTL and GIMPLE.
        (split_block): Likewise.
        * cfghooks.c (split_block): Rename to ...
        (split_block_1): ... this.
        (split_block): Add two type-safe overloads for RTL and GIMPLE.
        (split_block_after_labels): Call split_block_1.
        (create_basic_block): Rename to ...
        (create_basic_block_1): ... this.
        (create_basic_block): Add two type-safe overloads for RTL and GIMPLE.
        (create_empty_bb): Call create_basic_block_1.
        * cfgrtl.c (fixup_fallthru_exit_predecessor): Use
        split_block_after_labels.
        * omp-low.c (expand_parallel_call): Likewise.
        (expand_omp_target): Likewise.
        (simd_clone_adjust): Likewise.
        * tree-chkp.c (chkp_get_entry_block): Likewise.
        * cgraphunit.c (init_lowered_empty_function): Use the GIMPLE
        create_basic_block overload.
        (cgraph_node::expand_thunk): Likewise.
        * tree-cfg.c (make_blocks): Likewise.
        (handle_abnormal_edges): Likewise.
        * tree-inline.c (copy_bb): Likewise.

2015-04-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (*<NLOGICAL:optab>_one_cmplsidi3_ze):
        New pattern.
        (*xor_one_cmplsidi3_ze): Likewise.

2015-04-21  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * df-core.c (df_finish_pass): Iterate over df->problems_by_index[] and
        use df_remove_problem rather than manually removing problems, leaving
        holes in df->problems_in_order[].

2015-04-21  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65802
        * internal-fn.def (VA_ARG): Add ECF_NOTROW to flags.

2015-04-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * common/config/aarch64/aarch64-common.c (AARCH64_CPU_NAME_LENGTH):
        Increase to 128.
        (aarch64_rewrite_selected_cpu): Do not chop off extensions starting
        at '.'.  Assert that there's enough space for everything.

2015-04-21  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/64950
        Revert:
        2010-08-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/41089
        * config/alpha/alpha.c (alpha_build_builtin_va_list): Mark __offset
        as volatile.

2015-04-20  Shiva Chen  <shiva0217@gmail.com>

        PR rtl-optimization/64916
        * cfgcleanup.c (values_equal_p): New function.
        (can_replace_by): Use it.

2015-04-20  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/65801
        * doc/invoke.texi ([-Wnarrowing]): Update.

2015-04-20  Jeff Law  <law@redhat.com>

        PR tree-optimization/65658
        * tree-ssa-threadupdate.c (redirection_block_p): Remove
        redundant test for GIMPLE_ASSIGN in last change.

2015-04-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (set_pic_reg_ever_live): Remove.
        (legitimize_pic_address): Do not call set_pic_reg_ever_live.
        (legitimize_tls_address): Ditto.
        (ix86_expand_move): Ditto.
        (ix86_expand_binary_operator): Remove reload_in_progress checks.
        (ix86_expand_unary_operator): Ditto.
        * config/i386/predicates.md (index_register_operand): Ditto.

2015-04-20  Selim Belbachir  <selim.belbachir@fr.thalesgroup.com>

        * reorg.c (try_merge_delay_insns): Improve correctness checking
        for targets with multiple delay slots.

2015-04-20  Jeff Law  <law@redhat.com>

        PR tree-optimization/65658
        * tree-ssa-threadupdate.c (redirection_block_p): Ignore clobber
        statements too.

2015-04-20  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64.c (aarch64_simd_emit_pair_result_insn): Delete.
        * config/aarch64/aarch64-protos.h (aarch64_simd_emit_pair_result_insn):
        Delete.

2015-04-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/65807
        * dwarf2out.c (add_AT_wide): Clear attr.dw_attr_val.val_entry.

2015-04-20  Richard Biener  <rguenther@suse.de>

        * gimple-fold.h (gimple_build): Remove optional valueize arguments.
        * gimple-fold.c (gimple_build_valueize): New function.
        (gimple_build): Always use gimple_build_valueize as valueize hook.

2015-04-20  Alan Lawrence  <alan.lawrence@arm.com>

        PR target/64134
        * config/aarch64/aarch64.c (aarch64_expand_vector_init): Load constant
        and overwrite variable parts if <= 1/2 the elements are variable.

2015-04-19  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/65805
        * lra-eliminations.c (lra_eliminate_regs_1): Add new assert.
        Don't use difference of offset and previous offset if
        update_sp_offset is non-zero.
        (eliminate_regs_in_insn): Ditto.
        * lra-spills.c (remove_pseudos): Exchange 4th and 6th args in
        lra_eliminate_regs_1 call.
        * lra-constraints.c (get_equiv_with_elimination): Ditto.

2015-04-18  Trevor Saunders  <tsaunders@mozilla.com>

        * hash-table.h: Remove version of hash_table that stored value_type *.
        * asan.c, attribs.c, bitmap.c, cfg.c, cgraph.h, config/arm/arm.c,
        config/i386/winnt.c, config/ia64/ia64.c, config/mips/mips.c,
        config/sol2.c, coverage.c, cselib.c, dse.c, dwarf2cfi.c,
        dwarf2out.c, except.c, gcse.c, genmatch.c, ggc-common.c,
        gimple-ssa-strength-reduction.c, gimplify.c, haifa-sched.c,
        hard-reg-set.h, hash-map.h, hash-set.h, ipa-devirt.c, ipa-icf.h,
        ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
        loop-iv.c, loop-unroll.c, lto-streamer.h, plugin.c, postreload-gcse.c,
        reginfo.c, statistics.c, store-motion.c, trans-mem.c, tree-cfg.c,
        tree-eh.c, tree-hasher.h, tree-into-ssa.c, tree-parloops.c,
        tree-sra.c, tree-ssa-coalesce.c, tree-ssa-dom.c, tree-ssa-live.c,
        tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c,
        tree-ssa-pre.c, tree-ssa-reassoc.c, tree-ssa-sccvn.c,
        tree-ssa-structalias.c, tree-ssa-tail-merge.c,
        tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
        valtrack.h, var-tracking.c, vtable-verify.c, vtable-verify.h: Adjust.

2015-04-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/65787
        * config/rs6000/rs6000.c (rtx_is_swappable_p): Ensure that a
        subsequent SH_NONE operand does not overwrite an existing *special
        value.
        (adjust_extract): Handle case where a vec_extract operation is
        wrapped in a PARALLEL.

2015-04-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/65780
        * config/i386/i386.c (ix86_binds_local_p): Define only if
        TARGET_MACHO and TARGET_DLLIMPORT_DECL_ATTRIBUTES are false.

2015-04-17  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * Makefile.in (OBJS); Add tree-ssa-scopedtables.o.
        * tree-ssa-scopedtables.c: New file.
        * tree-ssa-scopedtables.h: New file.
        * tree-ssa-dom.c: Include tree-ssa-scopedtables.h.
        (const_and_copies): Change name/type.
        (record_const_or_copy): Move into tree-ssa-scopedtables.c
        (record_const_or_copy_1): Similarly.
        (restore_vars_to_original_value): Similarly.
        (pass_dominator::execute): Create and destroy const_and_copies table.
        (thread_across_edge): Update passing of const_and_copies.
        (record_temporary_equivalence): Use method calls rather than
        manipulating const_and_copies directly.
        (record_equality, cprop_into_successor_phis): Similarly.
        (dom_opt_dom_walker::before_dom_children): Similarly.
        (dom_opt_dom_walker::after_dom_children): Similarly.
        (eliminate_redundant_computations): Similarly.
        * tree-ssa-threadedge.c (remove_temporary_equivalences): Delete.
        (record_temporary_equivalence): Likewise.
        (invalidate_equivalences): Likewise.
        (record_temporary_equivalences_from_phis): Update due to type
        change of const_and_copies.  Use method calls rather than
        manipulating the stack directly.
        (record_temporary_equivalences_from_stmts_at_dest): Likewise.
        (thread_through_normal_block, thread_across_edge): Likewise.
        (thread_across_edge): Likewise.
        * tree-ssa-threadedge.h (thread_across_edge): Update prototype.
        * tree-vrp.c: Include tree-ssa-scopedtables.h.  Change type
        of equiv_stack.
        (identify_jump_threads): Update due to type change of equiv_stack.
        (finalize_jump_threads): Delete the equiv_stack when complete.

2015-04-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
        * config/i386/i386.c (ix86_legitimize_reload_address): Ditto.
        * config/i386/i386-protos.h (ix86_legitimize_reload_address): Ditto.

2015-04-17  Andreas Tobler  <andreast@gcc.gnu.org>

        PR target/65535
        * config.gcc: Exit with a comment when we do not have a major version
        number for the FreeBSD target.

2015-04-17  Jakub Jelinek  <jakub@redhat.com>

        PR target/65689
        * genpreds.c (struct constraint_data): Add maybe_allows_reg and
        maybe_allows_mem bitfields.
        (maybe_allows_none_start, maybe_allows_none_end,
        maybe_allows_reg_start, maybe_allows_reg_end, maybe_allows_mem_start,
        maybe_allows_mem_end): New variables.
        (compute_maybe_allows): New function.
        (add_constraint): Use it to initialize maybe_allows_reg and
        maybe_allows_mem fields.
        (choose_enum_order): Sort the non-is_register/is_const_int/is_memory/
        is_address constraints such that those that allow neither mem nor
        reg come first, then those that only allow reg but not mem, then
        those that only allow mem but not reg, then the rest.
        (write_allows_reg_mem_function): New function.
        (write_tm_preds_h): Call it.
        * stmt.c (parse_output_constraint, parse_input_constraint): Use
        the generated insn_extra_constraint_allows_reg_mem function
        instead of always setting *allows_reg = true; *allows_mem = true;
        for unknown extra constraints.

2015-04-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/65780
        * output.h (default_binds_local_p_3): New.
        * varasm.c (default_binds_local_p_3): Make it public.  Take an
        argument to indicate if common symbol may be local.  If common
        symbol may be local, treat non-external variable as defined
        locally.
        (default_binds_local_p_2): Pass !flag_pic to default_binds_local_p_3.
        (default_binds_local_p_1): Pass false to default_binds_local_p_3.
        * config/i386/i386.c (ix86_binds_local_p): New.
        (TARGET_BINDS_LOCAL_P): Replace default_binds_local_p_2 with
        ix86_binds_local_p.

2015-04-17  Jakub Jelinek  <jakub@redhat.com>

        PR debug/65771
        * dwarf2out.c (mem_loc_descriptor): For CONST, fallback to
        trying mem_loc_descriptor on XEXP (rtl, 0).

2015-04-17  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sem_item_optimizer::subdivide_classes_by_sensitive_refs):
        Release symbol_compare_collection.
        * ipa-reference.c: Add TODO that a vector should be released.

2015-04-17  Sivanupandi Pitchumani <Pitchumani.Sivanupandi@atmel.com>

        PR target/65296
        * config/avr/gen-avr-mmcu-specs.c (*avrlibc_startfile): Adjust
        to new AVR-LibC file layout (bug #44574).
        (*avrlibc_devicelib): Same.
        * config/avr/avr-mcus.def: Adjust comments.
        * config/avr/avr.opt (nodevicelib): Adjust help.

2015-04-17  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/arm_neon.h (vdup_n_f32): Remove forward declaration.

2015-04-17  Patrick Palka  <ppalka@gcc.gnu.org>

        PR c++/64527
        * gimplify.c (gimplify_init_constructor): Always emit a
        side-effecting constructor.

2015-04-17  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/64950
        * gimplify.c (gimplify_function_tree): Tentatively set PROP_gimple_lva
        in cfun->curr_properties.
        (gimplify_va_arg_expr): Clear PROP_gimple_lva in cfun->curr_properties
        if we generate an IFN_VA_ARG.
        * tree-inline.c (expand_call_inline): Reset PROP_gimple_lva in dest
        function if PROP_gimple_lva is not set in src function.

2015-04-17  Tom de Vries  <tom@codesourcery.com>
            Michael Matz  <matz@suse.de>

        PR tree-optimization/64950
        * gimple-iterator.c (update_modified_stmts): Remove static.
        * gimple-iterator.h (update_modified_stmts): Declare.
        * gimplify.c (gimplify_modify_expr): Handle IFN_VA_ARG.
        (gimplify_va_arg_internal): New function.
        (gimplify_va_arg_expr): Use IFN_VA_ARG.
        * gimplify.h (gimplify_va_arg_internal): Declare.
        * internal-fn.c (expand_VA_ARG): New unreachable function.
        * internal-fn.def (VA_ARG): New DEF_INTERNAL_FN.
        * tree-stdarg.c (gimple_call_ifn_va_arg_p, expand_ifn_va_arg_1)
        (expand_ifn_va_arg): New function.
        (pass_data_stdarg): Add PROP_gimple_lva to properties_provided field.
        (pass_stdarg::execute): Call expand_ifn_va_arg.
        (pass_data_lower_vaarg): New pass_data.
        (pass_lower_vaarg): New gimple_opt_pass.
        (pass_lower_vaarg::gate, pass_lower_vaarg::execute)
        (make_pass_lower_vaarg): New function.
        * cfgexpand.c (pass_data_expand): Add PROP_gimple_lva to
        properties_required field.
        * passes.def (all_passes): Add pass_lower_vaarg.
        * tree-pass.h (PROP_gimple_lva): Add define.
        (make_pass_lower_vaarg): Declare.

2015-04-17  Tom de Vries  <tom@codesourcery.com>

        * fold-const.c (operand_equal_p): Handle INTERNAL_FNs.
        * calls.c (call_expr_flags): Same.

2015-04-17  Tom de Vries  <tom@codesourcery.com>

        * tree-stdarg.c (optimize_va_list_gpr_fpr_size): Factor out of ...
        (pass_stdarg::execute): ... here.

2015-04-17  Tom de Vries  <tom@codesourcery.com>
            Michael Matz  <matz@suse.de>

        * tree-cfg.c (make_blocks_1): Factor out of ...
        (make_blocks): ... here.
        (make_edges_bb): Factor out of ...
        (make_edges): ... here.
        (gimple_find_sub_bbs): New function.
        * tree-cfg.h (gimple_find_sub_bbs): Declare.

2015-04-17  Tom de Vries  <tom@codesourcery.com>

        * tree.c (free_lang_data): Disable lang_hooks.gimplify_expr.

2015-04-17  Yury Gribov  <y.gribov@samsung.com>

        * asan.c (set_sanitized_sections): New function.
        (section_sanitized_p): Ditto.
        (asan_protect_global): Optionally sanitize user-defined
        sections.
        * asan.h (set_sanitized_sections): Declare new function.
        * common.opt (fsanitize-sections): New option.
        * doc/invoke.texi (-fsanitize-sections): Document new option.
        * opts-global.c (handle_common_deferred_options): Handle new
        option.

2015-04-17  Jakub Jelinek  <jakub@redhat.com>

        PR debug/65771
        * dwarf2out.c (loc_list_from_tree): Return NULL
        for DEBUG_EXPR_DECL.

2015-04-17  Christian Bruel  <christian.bruel@st.com>

        * ipa-inline.c (can_inline_edge_p): Allow inlining of functions with
        same attributes.

2015-04-16  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>

        * ira-color.c (setup_left_conflict_sizes_p): Do not process
        node itself when computing left conflict subnode size.

2015-04-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (register_mixssei387nonimm_operand): New.
        * config/i386/i386.md (*fop_<mode>_1_mixed): Merge with
        *fop_<mode>_1_sse using enabled attribute.  Use
        register_mixssei387nonimm_operand operand 1 predicate. Change
        alternative 3 constraints from "x" to "v".

2015-04-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65774
        * tree-ssa-ccp.c (evaluate_stmt): Constrain types we invoke
        bit-value tracking on.

2015-04-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64277
        * tree-vrp.c (check_array_ref): Fix anti-range handling,
        simplify upper bound handling.
        (search_for_addr_array): Simplify.
        (check_array_bounds): Handle ADDR_EXPRs here.
        (check_all_array_refs): Simplify.

2015-04-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (print_reg): Rewrite function.

2015-04-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.h (IRA_HARD_REGNO_ADD_COST_MULTIPLIER):
        Invert the condition.

2015-04-16  Renlin Li  <renlin.li@arm.com>

        * simplify-rtx.c (simplify_unary_operation_1): Fix a typo. Enable two
        simplifications for UNSIGNED_FLOAT.

2015-04-16  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78-opts.h (enum rl78_mul_types): Add MUL_G14 and
        MUL_UNINIT.
        (enum rl78_cpu_type): New.
        * config/rl78/rl78-virt.md (attr valloc): Add divhi and divsi.
        (umulhi3_shift_virt): Remove m constraint from operand 1.
        (umulqihi3_virt): Likewise.
        * config/rl78/rl78.c (rl78_option_override): Add code to process
        -mcpu and -mmul options.
        (rl78_alloc_physical_registers): Add code to handle divhi and
        divsi valloc attributes.
        (set_origin): Likewise.
        * config/rl78/rl78.h (RL78_MUL_G14): Define.
        (TARGET_G10, TARGET_G13, TARGET_G14): Define.
        (TARGET_CPU_CPP_BUILTINS): Define __RL78_MUL_xxx__ and
        __RL78_Gxx__.
        (ASM_SPEC): Pass -mcpu on to assembler.
        * config/rl78/rl78.md (mulqi3): Add a clobber of AX.
        (mulqi3_rl78): Likewise.
        (mulhi3_g13): Likewise.
        (mulhi3): Generate the G13 or G14 versions of the insn directly.
        (mulsi3): Likewise.
        (mulhi3_g14): Add clobbers of AX and BC.
        (mulsi3_g14): Likewise.
        (mulsi3_g13): Likewise.
        (udivmodhi4, udivmodhi4_g14, udivmodsi4): New patterns.
        (udivmodsi4_g14, udivmodsi4_g13): New patterns.
        * config/rl78/rl78.opt (mmul): Initialise value to
        RL78_MUL_UNINIT.
        (mcpu): New option.
        (m13, m14, mrl78): New option aliases.
        * config/rl78/t-rl78 (MULTILIB_OPTIONS): Add mg13 and mg14.
        (MULTILIB_DIRNAMES): Add g13 and g14.
        * doc/invoke.texi: Document -mcpu and -mmul options.

2015-04-16  Richard Biener  <rguenther@suse.de>

        * tree-ssa-ccp.c (likely_value): See if we have operands that
        are marked as never simulate again and return CONSTANT in this
        case.
        * tree-ssa-propagate.c (simulate_stmt): Mark stmts that do
        not have any operands that will be simulated again as
        not being simulated again.

2015-04-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>_mixed):
        Merge with *cmpi<FPCMP:unord><MODEF:mode>_sse using enabled attribute.
        (*extendsfdf2_mixed): Merge with *extendsfdf2_sse using enabled
        attribute.
        (*truncdfsf_fast_mixed): Merge with *truncdfsf_fast_sse using
        enabled attribute.
        (*float<SWI48:mode><MODEF:mode>2_mixed): Rename from
        *float<SWI48:mode><MODEF:mode>2_sse.
        (*absneg<mode>2_mixed): Merge with *absneg<mode>2_sse using
        enabled attribute.
        (*fop_<mode>_comm_mixed): Merge with *fop_<mode>_comm_sse using
        enabled attribute.

2015-04-15  Tom de Vries  <tom@codesourcery.com>

        PR other/65487
        * function.c (push_dummy_function): New function.
        (init_dummy_function_start): Use push_dummy_function.
        (pop_dummy_function): New function.  Factored out of ...
        (expand_dummy_function_end): ... here.
        * function.h (push_dummy_function, pop_dummy_function): Declare.
        * passes.c (pass_manager::dump_passes): Use push_dummy_function and
        pop_dummy_function.
        * tree-chkp.c (chkp_gate): Handle cgraph_node::get (cfun->decl) == NULL.

2015-04-15  Jeff Law  <law@redhat.com>

        PR tree-optimization/47679
        * tree-ssa-dom.c (build_and_record_new_cond): Moved to avoid
        need for forward declaration in upcoming changes.
        (record_conditions, record_edge_info): Likewise.

        PR rtl-optimization/42522
        * cse.c (fold_rtx): Try to simplify a ZERO_EXTRACT or
        SIGN_EXTRACT as a whole object rather than simplifying
        its operand.

2015-04-15  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/65765
        * ipa-icf-gimple.c (func_checker::compare_bb): For GIMPLE_NOP
        and GIMPLE_PREDICT use break instead of return true. For
        GIMPLE_EH_DISPATCH, compare dispatch region.

2015-04-14  Matthew Wahab  <matthew.wahab@arm.com>

        * doc/extend.texi (__sync Builtins): Simplify some text.  Update
        details about the implementation.  Make clear preference for
        __atomic builtins.  Reduce possibility of future change.

2015-04-15  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.opt (mallow-string-insns): New option.
        * config/rx/rx.c (RX_BUILTIN_RMPA): Disable the use of this
        builtin if string instructions are denied.
        * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Define
        __RX_ALLOW_STRING_INSNS__ or __RX_DISALLOW_STRING_INSNS__, as
        appropriate.
        (ASM_SPEC): Pass -mno-allow-string-insns on to the assembler.
        * config/rx/rx.md (movstr): Enable pattern only if string
        instructions are allowed.
        (rx_movstr, rx_strend, movmemsi, rx_movmem): Likewise.
        (cmpstrnsi, cmpstrsi, rx_cmpstrn, rmpa): Likewise.
        * config/rx/t-rx (MULTILIB_OPTIONS): Add mno-allow-string-insns.
        (MULTILIB_DIRNAMES): Add no-strings.
        * doc/invoke.texi: Document -mno-allow-string-insns.

2015-04-15  Alan Modra  <amodra@gmail.com>

        PR target/65408
        PR target/58744
        PR middle-end/36043
        * calls.c (load_register_parameters): Don't load past end of
        mem unless suitably aligned.

2015-04-15  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_expand_prologue): Mark large stack
        decrement instruction as being frame related.
        (rl78_print_operand_1): Handle 'p' modifier to add +0 to HL
        based addresses.
        If zero extending a function address enclose the operation in
        %code(...).
        (rl78_preferred_reload_class): New function.
        (TARGET_PREFERRED_RELOAD_CLASS): Define.
        * config/rl78/rl78.md: Remove useless constraints in expanders.
        (mulqi3_rl78): Remove + qualifier on input-only operand 1.
        (mulhi3_rl78): Likewise.
        (mulhi3_g13): Likewise.
        (mulsi3_rl78): Likewise.
        (es_addr): Move to before the multiply patterns.

2015-04-15  Alan Modra  <amodra@gmail.com>

        * function.h (struct emit_status): Delete x_first_insn, x_last_insn
        and sequence_stack.  Add seq.
        (seq_stack): Delete.
        * function.c (prepare_function_start): Don't access x_last_insn.
        * emit-rtl.h (get_current_sequence, get_topmost_sequence): New.
        (get_insns, set_first_insn, get_last_insn, set_last_insn): Use them.
        * emit_rtl.c (start_sequence, push_topmost_sequence,
        pop_topmost_sequence, end_sequence, in_sequence_p, init_emit): Use
        sequence accessors.
        (get_last_insn_anywhere, add_insn_after_nobb, add_insn_before_nobb,
        remove_insn): Likewise.  Simplify.
        * config/m32c/m32c.c (m32c_leaf_function_p): Use push_topmost_sequence
        and pop_topmost_sequence.
        (m32c_function_needs_enter): Use get_topmost_sequence.  Ignore
        debug insns.
        * config/rs6000/rs6000.c (rs6000_call_aix): Use get_current_sequence.

2015-04-14  Yvan Roux  <yvan.roux@linaro.org>

        PR target/65729
        * lra-constraints.c (prohibited_class_reg_set_mode_p): Restore and fix
        the assertiion.

2015-04-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (LEGACY_INT_REG_P): New define.
        (LEGACY_INT_REGNO_P): Ditto.
        (GENERAL_REGNO_P): Use LEGACY_INT_REGNO_P.
        (ANY_MASK_REG_P): Remove.
        (BND_REG_P): Rename from ANY_BND_REG_P.
        * config/i386/i386.c (print_reg): Use LEGACY_INT_REG_P to print
        legacy integer registers.  Do not handle MMX_REG_P in a special way.
        Merge 64byte and 32byte SSE handling.

2015-04-14  Nick Clifton  <nickc@redhat.com>

        * expr.c (expand_assignment): Force an address offset computation
        into a register before changing its mode.
        (expand_expr_real_1): Likewise.

2015-04-14  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/arm_neon.h (vst1_lane_f32, vst1_lane_f64,
        vst1_lane_p8, vst1_lane_p16, vst1_lane_s8, vst1_lane_s16,
        vst1_lane_s32, vst1_lane_s64, vst1_lane_u8, vst1_lane_u16,
        vst1_lane_u32, vst1_lane_u64, vst1q_lane_f32, vst1q_lane_f64,
        vst1q_lane_p8, vst1q_lane_p16, vst1q_lane_s8, vst1q_lane_s16,
        vst1q_lane_s32, vst1q_lane_s64, vst1q_lane_u8, vst1q_lane_u16,
        vst1q_lane_u32, vst1q_lane_u64): Reimplement with pointer dereference
        and __aarch64_vget_lane_any.

2015-04-14  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/65761
        * cfgrtl.c (rtl_split_edge): For EDGE_CROSSING split, use
        get_last_bb_insn (after) instead of NEXT_INSN (BB_END (after)).

2015-04-14  Richard Biener  <rguenther@suse.de>

        * graphite-scop-detection.c: Do not include cp/cp-tree.h.
        (graphite_can_represent_scev): Use POINTER_TYPE_P.

2015-04-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65758
        * tree-ssa-ccp.c (get_value_from_alignment): Adjust mask test
        against -1.
        (ccp_lattice_meet): Likewise.
        (bit_value_unop): Likewise.
        (bit_value_binop): Likewise.
        (bit_value_assume_aligned): Likewise.

2015-04-14  Christian Bruel  <christian.bruel@st.com>

        * execute_dwarf2_frame (dw_frame_pointer_regnum): Reinitialize for each
        function.

2015-04-14  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/63387
        * match.pd ((x unord x) | (y unord y) -> (x unord y),
        (x unord x) | (x unord y) -> (x unord y)): New simplifications.

2015-04-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (any_QIreg_operand): Rename from
        q_regs_operand.  Do not process subregs.
        (QIreg_operand): Use QI_REGNO_P predicate.
        (ext_QIreg_operand): Ditto.
        (ext_register_operand): Ditto.
        * config/i386/i386.md (TEST splitters): Use QIreg_operand predicate.
        (AND splitters): Ditto.
        (AND with -65536 splitter): Add SWI48 mode for operand 0.
        (AND with -256 splitter): Use any_QIreg_operand predicate and
        SWI248 mode for operand 0.
        (AND with -65281 splitter): Use QIreg_operand predicate and SWI248
        mode for operand 0.
        (SETCC + MOVZBL peepholes): Update for renamed any_QIreg_operand.

2015-04-13  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/plugins.texi: Rewrite first introductory paragraph.

2015-04-12  Jan Hubicka  <hubicka@ucw.cz>

        * tree-vrp.c (nonnull_arg_p): THIS pointers and references are non-zero.
        (gimple_stmt_nonzero_warnv_p): Reference return values are non-zero.

2015-04-12  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-profie.c (ipa_profile): Check number of parameters
        and possible polymorphic call targets before
        devirtualizing.

2015-04-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*bmi2_umul<mode><dwi>3_1): Merge from
        *bmi2_umulsidi3_1 and *bmi2_umulditi3_1 using DWIH mode iterator.

2015-04-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65204
        * tree-ssa-ccp.c (evaluate_stmt): Always evaluate address
        takens for bit-CCP.

2015-04-13  Richard Biener  <rguenther@suse.de>

        PR target/65660
        * config/i386/i386.c (bdver1_cost): Double cond_taken_branch_cost
        and cond_not_taken_branch_cost to 4 and 2.
        (bdver2_cost): Likewise.
        (bdver3_cost): Likewise.
        (bdver4_cost): Likewise.

2015-04-12  Jan Hubicka  <hubicka@ucw.cz>

        * hash-table.h (hash_table constructor): Add mem stats.
        (alloc_entries): Likewise.

2015-04-12  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-cp.c (ipcp_driver): Relase prev_edge.
        * passes.c (execute_one_pass): Only add transform if pass has one.

2015-04-12  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (ix86_option_override_internal): Don't set
        -fprefetch-loop-arrays if optimizing for size.

2015-04-12  Jan Hubicka  <hubicka@ucw.cz>
            Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Add Martin Jambor and
        Michael Matz.

2015-04-12  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 6.0.0.

        PR tree-optimization/65747
        * ipa-icf-gimple.c (func_checker::compare_operand): Use compare_operand
        rather than compare_ssa_name for OBJ_TYPE_REF_OBJECT.

2015-04-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (-Wmemset-transposed-args): Break a long
        sentence.  Improve grammar.

2015-04-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Add Maxim Kuvyrkov.

2015-04-11  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65743
        * ipa-inline-transform.c (speculation_removed): Remove static var.
        (check_speculations): New function.
        (clone_inlined_nodes): Do not check spculations.
        (inline_call): Call check_speculations.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Do not
        consider non-invariants.

2015-04-11  Jan Hubicka  <hubicka@ucw.cz>
            Martin Liska  <mliska@suse.cz>

        PR ipa/65722
        * ipa-icf.c (sem_item::compare_cgraph_references): function and
        variable can not match.
        (sem_item::update_hash_by_addr_refs): Fix handling of virtual tables.
        (sem_variable::equals_wpa): Fix checking of DECL_FINAL_P patch.

2015-04-11  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65735
        * tree-ssa-threadedge.c (fsm_find_control_statement_thread_paths):
        Remove visited_phis argument, add visited_bbs, avoid recursing into the
        same bb rather than just into the same phi node.
        (thread_through_normal_block): Adjust caller.

2015-04-11  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Add Ira Rosen.

2015-04-11  Benno Schulenberg  <bensberg@justemail.net>

        * gcov.c (find_source): Fix miswording in error message.
        * config/i386/i386.c (ix86_handle_cconv_attribute): Likewise.
        (ix86_expand_sse_comi_round): Fix typo in error message.

2015-04-11  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Add Laurynas Biveinis.

2015-04-10  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Update Joe Buck's entry.

2015-04-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/65710
        * lra-assigns.c (spill_for): Update smallest_bad_spills_num.
        Print bad_spills_num and insn_pseudos_num.

2015-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65694
        * config/arm/arm.c (arm_canonicalize_comparison): Use ARM_SIGN_EXTEND
        when creating +1 values for SImode.

2015-04-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/65729
        * lra-constraints.c (prohibited_class_reg_set_mode_p): Comment the
        assert.

2015-04-10  Jakub Jelinek  <jakub@redhat.com>
            Iain Sandoe  <iain@codesourcery.com>

        PR target/65351
        * configure: Regenerate.

2015-04-09  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/65671
        * config/i386/sse.md: Generate vextract32x4 if AVX-512DQ is disabled.

2015-04-09  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Add John Marino.

2015-04-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65709
        * ubsan.c (instrument_mem_ref): Use TREE_TYPE (base) instead of
        TREE_TYPE (TREE_TYPE (t)).

2015-04-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/65710
        * lra-int.h (lra_bad_spill_regno_start): New.
        * lra.c (lra_bad_spill_regno_start): New.
        (lra): Set up lra_bad_spill_regno_start.  Set up
        lra_constraint_new_regno_start unconditionally.
        * lra-assigns.c (spill_for): Use lra_bad_spill_regno_start for
        spill preferences.

2015-04-09  Marek Polacek  <polacek@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/65554
        * gimple-fold.c (gimple_fold_builtin_memory_op): Update comment.
        (fold_ctor_reference): Use STRIP_USELESS_TYPE_CONVERSION instead
        of STRIP_NOPS.

2015-04-09  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/65693
        * combine.c (is_parallel_of_n_reg_sets): Move outside of
        #ifndef HAVE_cc0.

2015-04-09  Georg-Johann Lay  <avr@gjlay.de>

        PR target/65296
        * config/avr/driver-avr.c (avr_devicespecs_file): Don't specify a
        device specs file if "device-specs%s" didn't resolve to a path.

2015-04-09  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/65676
        * config/i386/i386.c (fixup_modeless_constant): New.
        (ix86_expand_args_builtin): Fixup modeless constant operand.
        (ix86_expand_round_builtin): Ditto.
        (ix86_expand_special_args_builtin): Ditto.
        (ix86_expand_builtin): Ditto.

2015-04-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/65693
        * config/i386/i386.md (*udivmod<mode>4_pow2): Allow
        any pow2 integer in between 2 and 0x80000000U inclusive.

2015-04-08  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/65693
        * combine.c (is_parallel_of_n_reg_sets): Change first argument
        from an rtx_insn * to an rtx.
        (try_combine): Adjust both callers.  Use it once more.

2015-04-08  Ilya Enkovich  <ilya.enkovich@intel.com>

        * tree-chkp.c (chkp_find_const_bounds_var): Remove.
        (chkp_make_static_const_bounds): Search existing
        symbol by assembler name.  Use make_decl_one_only.
        (chkp_get_zero_bounds_var): Remove node search which
        is now performed in chkp_make_static_const_bounds.
        (chkp_get_none_bounds_var): Likewise.

2015-04-08  Michael Witten  <mfwitten@gmail.com>

        * doc/extend.texi (Attribute Syntax): Add a trailing semicolon
        to an example.

2015-04-08  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * tree.h (CONVERT_EXPR_P): Commentary typo fix.

2015-04-08  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (__sync Builtins): Fix grammar.

2015-04-08  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * doc/cfg.texi (GIMPLE statement iterators): Fix typo.

2015-04-08  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * varasm.c (emit_local): Move definition of align.

2015-04-08  Julian Brown  <julian@codesourcery.com>

        * config/nvptx/mkoffload.c (process): Support variable mapping.

2015-03-27  Trevor Saunders  <tbsaunde@tbsaunde.org>

        * config/alpha/alpha.c (alpha_use_linkage): Change type of slot to
        alpha_links **.
        (alpha_write_one_linkage): Correct typo.

2015-04-08  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa-comdats.c (propagate_comdat_group): Walk through thunks.

2015-04-08  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (bootstrap-lto-noplugin): Rewrite.

2015-04-08  Ilya Enkovich  <ilya.enkovich@intel.com>

        * tree-chkp.h (chkp_insert_retbnd_call): New.
        * tree-chkp.c (chkp_insert_retbnd_call): New.
        * ipa-split.c (insert_bndret_call_after): Remove.
        (split_function): Use chkp_insert_retbnd_call.
        * cgraphunit.c (cgraph_node::expand_thunk): Build returned
        bounds for instrumented functions.

2015-04-07  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65540
        * calls.c (initialize_argument_information): When producing tail
        call also turn SSA_NAMES passed by references to original PARM_DECLs

2015-04-07  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/65648
        * lra-remat.c (do_remat): Process input and non-input insn
        registers separately.

2015-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/65678
        * valtrack.c (debug_lowpart_subreg): New function.
        (dead_debug_insert_temp): Use it.

        PR middle-end/65680
        * expr.c (get_inner_reference): Handle bit_offset that doesn't fit
        into signed HOST_WIDE_INT the same as negative bit_offset.

2015-04-07  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa-comdats.c (ipa_comdats): Visit all thunks
        to set proper comdat group.

2015-04-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65489
        * config/arm/arm.c (arm_legitimate_constant_p_1): Remove restriction
        on constants for NEON VSTRUCT modes.

2015-04-07  Jakub Jelinek  <jakub@redhat.com>
            Iain Sandoe  <iain@codesourcery.com>

        PR target/65351
        * configure: Regenerate.

2015-04-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/65614
        * config/rs6000/rs6000.c (struct processor_costs): Add cost field
        for SF->DF conversions to make FLOAT_EXTEND more expensive, so
        that LFD is used to load double constants instead of LFS.  Add
        defaults for all costs structures.  Add comments for missing
        initialization fields.
        (size32_cost): Likewise.
        (size64_cost): Likewise.
        (rs64a_cost): Likewise.
        (mpccore_cost): Likewise.
        (ppc403_cost): Likewise.
        (ppc405_cost): Likewise.
        (ppc440_cost): Likewise.
        (ppc476_cost): Likewise.
        (ppc601_cost): Likewise.
        (ppc603_cost): Likewise.
        (ppc604_cost): Likewise.
        (ppc604e_cost): Likewise.
        (ppc620_cost): Likewise.
        (ppc630_cost): Likewise.
        (ppccell_cost): Likewise.
        (ppc750_cost): Likewise.
        (ppc7450_cost): Likewise.
        (ppc8540_cost): Likewise.
        (ppce300c2c3_cost): Likewise.
        (ppce500mc_cost): Likewise.
        (ppce500mc64_cost): Likewise.
        (ppce5500_cost): Likewise.
        (ppce6500_cost): Likewise.
        (titan_cost): Likewise.
        (power4_cost): Likewise.
        (power6_cost): Likewise.
        (power7_cost): Likewise.
        (power8_cost): Likewise.
        (ppca2_cost): Likewise.
        (rs6000_rtx_costs): Make FLOAT_EXTEND use SFDF_convert field.

        * config/rs6000/rs6000.md (extendsfdf2_fpr): Generate XSCPSGNDP
        instead of XXLOR to copy SFmode to clear out dirty bits created
        when SFmode denormals are generated.
        (mov<mode>_hardfloat, FMOVE32 case): Likewise.
        (truncdfsf2_fpr): Add support for ISA 2.07 XSRSP instruction.

2015-04-06  Evandro Menezes  <e.menezes@samsung.com>

        * doc/invoke.texi (AARCH64/mtune): Add exynos-m1 as an option.
        * config/aarch64/aarch64-cores.def (exynos-m1): New core.
        * config/aarch64/aarch64-tune.md: Regenerate.

2015-04-06  Evandro Menezes  <e.menezes@samsung.com>

        * doc/invoke.texi (ARM/mtune): Add "exynos-m1" as an option.
        * config/arm/arm.c (arm_issue_rate): Specify "3" for "exynosm1".
        * config/arm/arm-cores.def (exynos-m1): New core.
        * config/arm/arm-tune.md: Regenerate.
        * config/arm/arm-tables.opt: Add entry for "exynos-m1".
        * config/arm/bpabi.h: Likewise.

2015-04-06  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa-cp (set_single_call_flag): Remove too
        restrictive assert.

2015-04-06  Ilya Verbin  <ilya.verbin@intel.com>

        * config/i386/intelmic-mkoffload.c (generate_host_descr_file): Call
        GOMP_offload_unregister from the destructor.

2015-04-06  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa-chkp.c (chkp_maybe_create_clone): Reset cdtor
        flags for instrumentation thunk.
        (chkp_produce_thunks): Likewise.

2015-04-05  Martin Liska  <mliska@suse.cz>

        PR ipa/65665
        * ipa-icf.c (sem_function::equals_wpa): Verify that IPA CP
        has computed data structure.
        (sem_item_optimizer::update_hash_by_addr_refs): Likewise.

2015-04-04  Jan Hubicka  <hubicka@ucw.cz>

        * invoke.texi (inline-unit-growth): Increase growth to 20%
        * params.def (PARAM_INLINE_UNIT_GROWTH): Likewise.

2015-04-04  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/65647
        * lra-int.h (LRA_MAX_REMATERIALIZATION_PASSES): New.  Add its
        value checking.
        (lra_rematerialization_iter): New.
        * lra.c (lra): Initialize lra_rematerialization_iter.
        Stop updating lra_constraint_new_regno_start after switching of
        inheritance and rematerialization.
        * lra-remat.c (lra_rematerialization_iter): New.
        (lra_remat): Add printing pass iteration.  Do rematerialization
        only first LRA_MAX_REMATERIALIZATION_PASSES iterations.

2015-04-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64909
        PR tree-optimization/65660
        * tree-vectorizer.h (vect_get_known_peeling_cost): Adjust
        to take a cost vector for scalar iteration cost.
        (vect_get_single_scalar_iteration_cost): Likewise.
        * tree-vect-loop.c (vect_get_single_scalar_iteration_cost):
        Compute the scalar iteration cost into a cost vector.
        (vect_get_known_peeling_cost): Use the scalar cost vector to
        account for the cost of the peeled iterations.
        (vect_estimate_min_profitable_iters): Likewise.
        * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost):
        Likewise.

2015-04-04  Alan Modra  <amodra@gmail.com>

        PR target/65576
        PR target/65240
        * config/rs6000/predicates.md (zero_reg_mem_operand): Exclude
        0.0 constant unless TARGET_VSX.
        * config/rs6000/rs6000.md (extenddftf2_internal): Remove last
        alternative.

2015-04-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65654
        * ipa-inline-transform.c (inline_call): Skip sanity check to work
        around the ICE

2015-04-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65655
        * ipa-inline-analysis.c (edge_set_predicate): Do not redirect
        speculative indirect edges to avoid ordering issue.

2015-04-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65076
        * ipa-inline.c (edge_badness): Add combined size to the denominator.

2015-04-03  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (scan_omp_parallel, scan_omp_task, scan_omp_target): Set
        TYPE_ARTIFICIAL on the .omp_data* types.

2015-04-02  Ilya Enkovich  <ilya.enkovich@intel.com>

        * cgraphunit.c (cgraph_node::expand_thunk): Don't expand
        instrumentation thunks.

2015-04-02  Ilya Enkovich  <ilya.enkovich@intel.com>

        * config/i386/i386.c (ix86_expand_call): Avoid nested
        PARALLEL in returned call value.

2015-04-02  Ilya Enkovich  <ilya.enkovich@intel.com>

        * lto-cgraph.c (input_cgraph_1): Always link instrumented
        assembler name with original one.

2015-04-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_register_priority): Use AX_REG.

2015-04-02  Uros Bizjak  <ubizjak@gmail.com>

        Revert parts of r216820.
        * config/i386/i386.md (movqi_internal): Correct type calculation
        for alternatives 3 and 5.

2015-04-02  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/61977
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Don't
        predefine __vector/__bool/__pixel macros nor context sensitive
        macros for CLK_ASM.
        * config/spu/spu-c.c (spu_cpu_cpp_builtins): Similarly.

2015-04-02  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_output_move_double): Directly handle register
        indexed memory operand.  Simplify handling of scaled register indexed
        memory operands.

2015-04-02  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR driver/65444
        * config/i386/linux-common.h (MPX_SPEC): New.
        (CHKP_SPEC): Add MPX_SPEC.
        * doc/invoke.texi (-fcheck-pointer-boudns): Document
        possible issues with '-z bndplt' support in linker.

2015-04-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sync.md (UNSPEC_FILD_ATOMIC, UNSPEC_FIST_ATOMIC): New.
        (loaddi_via_fpu): Use UNSPEC_FILD_ATOMIC.
        (storedi_via_fpu): Use UNSPEC_FIST_ATOMIC.
        * reg-stack.c (get_true_reg): Change UNSPEC_LDA to UNSPEC_FILD_ATOMIC.
        (subst_stack_regs_pat): Change UNSPEC_STA to UNSPEC_FIST_ATOMIC.

2015-04-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sync.md (UNSPEC_MOVA): Remove.
        (atomic_load<mode>): Change operand 0 predicate to
        nonimmediate_operand and fix up the destination when needed.
        Use UNSPEC_LDA.
        (atomic_loaddi_fpu): Use UNSPEC_LDA.
        (atomic_store<mode>): Change operand 1 predicate to
        nonimmendate_operand and move the source to register when needed.
        Use UNSPEC_STA.
        (atomic_store<mode>_1): Use UNSPEC_STA.
        (atomic_storedi_fpu): Change operand 1 to nonimmediate_operand.
        Fix moves from memory operand.  Use UNSPEC_STA.

2015-04-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * expmed.c (strict_volatile_bitfield_p): Check that the access will
        not cross a MODESIZE boundary.
        (store_bit_field, extract_bit_field): Added assertions in the
        strict volatile bitfields code path.

2015-04-01  Max Ostapenko  <m.ostapenko@partner.samsung.com>

        PR target/65624
        * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
        Increase args array size by one to avoid buffer overflow.

2015-03-31  Jan Hubicka  <hubicka@ucw.cz>

        * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
        split_part.
        * ipa-inline.c (edge_badness): Add wrapper penalty.
        (sum_callers): Move up.
        (inline_small_functions): Set single_caller.
        * ipa-inline.h (inline_summary): Add single_caller.
        * ipa-split.c (split_function): Set split_part.
        (cgraph_node::create_clone): Do not shadow decl; copy split_part.
        * cgraph.h (cgraph_node): Add split_part.

2015-03-31  Uros Bizjak  <ubizjak@gmail.com>

        PR target/58945
        * config/i386/sync.md (atomic_compare_and_swap<dwi>_doubleword):
        Do not split operands 0 and operands 2 to halfmode.
        (atomic_compare_and_swap<mode>): Update for
        atomic_compare_and_swap<dwi>_doubleword changes.

2015-03-31  Jan Hubicka  <hubicka@ucw.cz>

        * tree.c (need_assembler_name_p): Artificial types have no ODR names.
        * ipa-devirt.c (warn_odr): Do not try to apply ODR cache when
        no caching is done.

2015-03-31  Martin Liska  <mliska@suse.cz>

        PR ipa/65557
        * ipa-icf.c (sem_function::equals_wpa): Check if IPA CP
        has already filled up function summary.
        (sem_item_optimizer::update_hash_by_addr_refs): Likewise.

2015-03-31  Richard Biener  <rguenther@suse.de>

        * tree-sra.c (create_access_replacement): Drop under-/over-alignment
        of types.

2015-03-31  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_function_num_hotpatch_hw): Allow hotpatching
        nested functions.
        (s390_reorg): Adapt to new signature of s390_function_num_hotpatch_hw.
        (s390_asm_output_function_label): Adapt to new signature of
        s390_function_num_hotpatch_hw
        Optimise the code generating assembler output.
        Add comments to assembler file.

2015-03-31  Richard Biener  <rguenther@suse.de>

        PR middle-end/65626
        * tree-cfgcleanup.c (fixup_noreturn_call): Only split the block
        of the noreturn call so it is last and cleanup_control_flow_bb
        can do the CFG part.

2015-03-31  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65531
        * ipa-chkp.c (chkp_maybe_create_clone): Don't set
        same_comdat_group for external symbols.
        * symtab.c (symtab_node::verify_symtab_nodes): Avoid
        infinite same_comdat_group traversal loop.

2015-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR plugins/61176
        * Makefile.in (install-plugin): Add all gcc/*.{h,def} files
        automatically to $headers.

2015-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/65610
        * ipa-utils.h (inlined_polymorphic_ctor_dtor_block_p): Declare.
        * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p): New
        function.
        (decl_maybe_in_construction_p, noncall_stmt_may_be_vtbl_ptr_store):
        Use it.
        * ipa-prop.c (param_type_may_change_p): Likewise.
        * tree-ssa-live.c: Include ipa-utils.h and its dependencies.
        (remove_unused_scope_block_p): Add in_ctor_dtor_block
        argument.  Before inlining, preserve
        inlined_polymorphic_ctor_dtor_block_p blocks and the outermost block
        with FUNCTION_DECL BLOCK_ABSTRACT_ORIGIN inside of them.  Adjust
        recursive calls.
        (remove_unused_locals): Adjust remove_unused_scope_block_p caller.

2015-03-27  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65076
        * ipa-inline.c (edge_badness): Base denominator on callee's
        grwoth squared.

2015-03-27  Martin Jambor  <mjambor@suse.cz>

        PR ipa/65478
        * params.def (PARAM_IPA_CP_RECURSION_PENALTY) : New.
        (PARAM_IPA_CP_SINGLE_CALL_PENALTY): Likewise.
        * ipa-prop.h (ipa_node_params): New flags node_within_scc and
        node_calling_single_call.
        * ipa-cp.c (count_callers): New function.
        (set_single_call_flag): Likewise.
        (initialize_node_lattices): Count callers and set single_flag_call if
        necessary.
        (incorporate_penalties): New function.
        (good_cloning_opportunity_p): Use it, dump new flags.
        (propagate_constants_topo): Set node_within_scc flag if appropriate.
        * doc/invoke.texi (ipa-cp-recursion-penalty,
        ipa-cp-single-call-pentalty): Document.

2015-03-27  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65588
        * symtab.c (symtab_node::get_partitioning_class): Register vars
        are duplicated.
        * varpool.c (symbol_table::output_variables) Do not assemble unefined
        decls for non-symbols.

2015-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/65248
        * output.h (default_binds_local_p_2): New.
        * varasm.c (default_binds_local_p_2): Renamed to ...
        (default_binds_local_p_3): This.  Don't return true on protected
        data symbol if protected data may be external.
        (default_binds_local_p): Use default_binds_local_p_3.
        (default_binds_local_p_1): Likewise.
        (default_binds_local_p_2): New.
        * config/i386/i386.c (TARGET_BINDS_LOCAL_P): Set to
        default_binds_local_p_2 if TARGET_MACHO is undefined.

2015-03-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/65593
        * config/i386/i386.c (legitimize_pic_address): If base
        is SYMBOL_REF or LABEL_REF using %rip addressing, force
        it to reg to avoid PLUS of SYMBOL_REF/LABEL_REF and register.

2015-03-27  Jan Hubicka  <hubicka@ucw.cz>

        PR target/65531
        * symtab.c (symtab_node::verify_symtab_nodes): Fix verification of
        comdat groups.

2015-03-27  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65600
        * cgraph.c (cgraph_update_edges_for_call_stmt_node): Fix the case
        of optimized out indirect call.
        (redirect_to_unreachable): Always build symbol table node for
        BUILT_IN_UNREACHABLE

2015-03-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/65407
        * ira-costs.c (record_reg_classes): Process all constraint string
        containing 0-9.

2015-03-27  Bernd Schmidt  <bernds@codesourcery.com>

        * config/c6x/c6x.md (movmisalign<mode>): Use MEM_P, not
        memory_operand.

        PR target/65052
        * config/c6x/constraints.md (S3): New constraint.
        * config/c6x/c6x.md (real_jump): Use it.

2015-03-26  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/65595
        * cgraph.c (cgraph_update_edges_for_call_stmt_node): Only
        do redirection if the call is not optimized out.

2015-03-27  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65495
        * c-family/c.opt (fcheck-pointer-bounds): List supported languages.
        (fchkp-check-incomplete-type): Add LTO.
        (fchkp-zero-input-bounds-for-main): Likewise.
        (fchkp-first-field-has-own-bounds): Likewise.
        (fchkp-narrow-bounds): Likewise.
        (fchkp-narrow-to-innermost-array): Likewise.
        (fchkp-use-static-bounds): Likewise.
        (fchkp-use-static-const-bounds): Likewise.
        (fchkp-treat-zero-dynamic-size-as-infinite): Likewise.

2015-03-27  Marek Polacek  <polacek@redhat.com>

        * gimple-iterator.h (gsi_prev_nondebug): Fix typo.

2015-03-27  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/65583
        * ubsan.c (ubsan_create_edge): New function.
        (instrument_bool_enum_load): Call it.
        (instrument_nonnull_arg): Likewise.
        (instrument_nonnull_return): Likewise.
        (instrument_object_size): Likewise.

2015-03-26  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer.h (class lto_location_cache): Turn loc_cache into
        auto_vec.

2015-03-26  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/65536
        * lto-streamer.h (class lto_location_cache): New.
        (struct data_in): Add location_cache.
        (lto_input_location): Update prototype.
        (stream_input_location_now): New.
        * streamer-hooks.h (struct streamer_hooks): Make input_location to take
        pointer to location.
        (stream_input_location): Update.
        * ipa-devirt.c: Include streamer-hooks.h and lto-streamer.h
        (warn_odr): Apply location cache before warning.
        (lto_input_location): Update prototype.
        * gimple-streamer-in.c (input_phi, input_gimple_stmt):
        Use stream_input_location_now.
        * lto-streamer-in.c (lto_location_cache::current_cache): New static
        variable.
        (lto_location_cache::cmp_loc): New function.
        (lto_location_cache::apply_location_cache): New function.
        (lto_location_cache::accept_location_cache): New function.
        (lto_location_cache::revert_location_cache): New function.
        (lto_location_cache::input_location): New function.
        (lto_input_location): Do location caching.
        (stream_input_location_now): New function.
        (input_eh_region, input_struct_function_base): Use
        stream_input_location_now.
        (lto_data_in_create): use new.
        (lto_data_in_delete): Use delete.
        * tree-streamer-in.c (unpack_ts_block_value_fields,
        unpack_ts_omp_clause_value_fields, streamer_read_tree_bitfields,
        lto_input_ts_exp_tree_pointers): Update for cached location api.

2015-03-26  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65076
        * passes.def: Add pass_nothrow.
        * ipa-pure-const.c: (pass_data_nothrow): New.
        (pass_nothrow): New.
        (pass_nothrow::execute): New.
        (make_pass_nothrow): New.
        * tree-pass.h (make_pass_nothrow): Declare.

2015-03-26  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (redirect_to_unreachable): Be prepared for
        edge to change by speculation resolution or redirection.
        (edge_set_predicate): Likewise.
        (inline_summary_t::duplicate): Likewise.
        (remap_edge_summaries): Likewise.

2015-03-26  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.c (check_maybe_up, check_maybe_down, check_match):
        New macros.
        (can_inline_edge_p): Relax option matching for always inline functions.

2015-03-26  Uros Bizjak  <ubizjak@gmail.com>

        PR target/65561
        * config/i386/sse.md (avx512dq_vextract<shuffletype>64x2_1_maskm):
        Check operand 4 and operand 0 for equality.
        (avx512f_vextract<shuffletype>32x4_1_maskm):
        Check operand 6 and operand 0 for equality.
        (vec_extract_lo_<mode>_maskm): Check operand 2 and operand 0
        for equality.
        (vec_extract_hi_<mode>_maskm): Ditto.

2015-03-26  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_update_edges_for_call_stmt_node): Do not bring
        dead calls back to live.
        (cgraph_edge::verify_count_and_frequency): Move cgraph/cfg frequency
        cross check to ...
        (cgraph_node::verify_node): ... here; verify only callee edges,
        not caller.
        * cif-code.def (CILK_SPAWN): New code.

2015-03-26  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (redirect_to_unreachable): New function.
        (edge_set_predicate): Use it to mark unreachable edges.
        (inline_summary_t::duplicate): Remove unnecesary code.
        (remap_edge_summaries): Likewise.
        (dump_inline_summary): Report contains_cilk_spawn.
        (compute_inline_parameters): Compute contains_cilk_spawn.
        (inline_read_section, inline_write_summary): Stream
        contains_cilk_spawn.
        * ipa-inline.c (can_inline_edge_p): Do not touch
        DECL_STRUCT_FUNCTION that may not be available;
        use CIF_CILK_SPAWN for cilk; fix optimization attribute checks;
        remove check for callee_fun->can_throw_non_call_exceptions and
        replace it by optimization attribute check; check for flag_exceptions.
        * ipa-inline-transform.c (inline_call): Maintain
        DECL_FUNCTION_PERSONALITY
        * ipa-inline.h (inline_summary): Add contains_cilk_spawn.

2015-03-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65551
        * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Use
        TYPE_PRECISION only for INTEGRAL_TYPE_P types.

2015-03-26  Richard Biener  <rguenther@suse.de>

        PR middle-end/65555
        * tree-cfg.c (verify_gimple_call): Do not require a call to
        have no LHS if it wasn't recognized as control altering yet.

2015-03-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/64715
        * passes.def: Add another instance of pass_object_sizes before ccp1.
        * tree-object-size.c (pass_object_sizes::execute): In
        first_pass_instance, only handle __bos (, 1) and __bos (, 3)
        calls, and keep the call in the IL, as {MIN,MAX}_EXPR of the
        __bos result and the computed constant.  Remove redundant
        checks, obsoleted by gimple_call_builtin_p test.

        * var-tracking.c (variable_tracking_main_1): Don't track
        variables for targetm.no_register_allocation targets.

2015-03-26  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/t-linux (DEFAULT_ENDIAN, MULTILIB_EXCEPTIONS): Remove.
        * config/sh/t-sh (MULTILIB_EXCEPTIONS): Handle default endian.

2015-03-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/65569
        * config/rs6000/rs6000.md (extenddftf2_fprs): On VSX systems use
        XXLXOR to create 0.0.  On pre-VSX systems make sure the constant
        0.0 is correctly setup.
        (extenddftf2_internal): Likewise.

2015-03-25  Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/65177
        * tree-ssa-threadupdate.c (verify_seme): Renamed verify_jump_thread.
        (bb_in_bbs): New.
        (duplicate_seme_region): Renamed duplicate_thread_path.  Redirect all
        edges not adjacent on the path to the original code.

2015-03-25  Uros Bizjak  <ubizjak@gmail.com>

        PR bootstrap/65537
        * doc/install.texi (Building a native compiler): Document new
        bootstrap-lto-noplugin configuration.  Mention that bootstrap-lto
        configuration assumes that the host supports the linker plugin.

2015-03-25  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65508
        * tree-chkp.c (chkp_add_bounds_to_call_stmt): Set static
        chain for generated call.

2015-03-25  Richard Biener  <rguenther@suse.de>

        * passes.c (pass_manager::execute_early_local_passes): Guard
        execution of pass_chkp_instrumentation_passes with
        flag_check_pointer_bounds.
        (pass_chkp_instrumentation_passes::gate): Likewise.

2015-03-25  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/65538
        * symbol-summary.h (function_summary::~function_summary):
        Relese memory for allocated summaries.
        (function_summary::release): New function.

2015-03-25  Jakub Jelinek  <jakub@redhat.com>

        PR lto/65515
        * lto-streamer-out.c (DFS::worklist): New struct.
        (DFS::worklist_vec): New data member.
        (DFS::next_dfs_num): Remove.
        (DFS::DFS): Rewritten using worklist instead of recursion,
        using most of code from DFS::DFS_write_tree.
        (DFS::DFS_write_tree_body): Remove SINGLE_P argument, don't
        pass it to DFS_write_tree calls.
        (DFS::DFS_write_tree): Remove SINGLE_P argument, after
        quick initial checks push it into worklist_vec and return.

2015-03-25  Richard Biener  <rguenther@suse.de>

        PR middle-end/65519
        * genmatch.c (expr::gen_transform): Re-write to avoid
        using gimple_build.

2015-03-25  Bin Cheng  <bin.cheng@arm.com>

        * doc/sourcebuild.texi (arm_tune_string_ops_prefer_neon): New.

2015-03-25  Bin Cheng  <bin.cheng@arm.com>

        * config/arm/arm.opt (print_tune_info): New option.
        * config/arm/arm.c (arm_print_tune_info): New function.
        (arm_file_start): Call arm_print_tune_info.
        * config/arm/arm-protos.h (struct tune_params): Add comment.
        * doc/invoke.texi (@item -mprint-tune-info): New item.
        (-mtune): mention it in ARM Option Summary.

2015-03-25  DJ Delorie  <dj@redhat.com>

        * config/rl78/rl78.c (rl78_print_operand_1): Move 'p' test to
        correct clause.

2015-03-24  Jan Hubicka  <hubicka@ucw.cz>
            Martin Liska  <mliska@suse.cz>

        * ipa-icf-gimple.h (return_with_result): Add missing colon to dump.
        * ipa-icf.c (sem_function::get_hash): Hash new declaration properties.
        (sem_item::add_type): New function.
        (sem_function::hash_stmt): Add TREE_TYPE of gimple_op.
        (sem_function::compare_polymorphic_p): Do not consider indirect calls.
        (sem_item_optimizer::update_hash_by_addr_refs): Add ODR type to hash.
        (sem_function::equals_wpa): Fix typo.
        * ipa-icf.h (sem_item::add_type): New function.
        (symbol_compare_hashmap_traits): Replace hashing of pointer with symbol
        order.

2015-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65533
        * tree-vect-slp.c (vect_build_slp_tree): Before re-trying
        with swapped operands, call vect_free_slp_tree on
        SLP_TREE_CHILDREN of child and truncate the SLP_TREE_CHILDREN
        vector.

2015-03-24  Richard Biener  <rguenther@suse.de>

        PR middle-end/65517
        * tree-cfg.c (remove_edge_and_dominated_blocks): Mark loops
        for fixup if necessary.

2015-03-23  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Function Attributes): Add @cindex entries
        for all attributes and regularize their format.  Delete text
        about long-obsolete 68HC11 and 68HC12 targets.  Move misplaced
        information about "eightbit_data", "tiny_data", and "model"
        variable attributes to the Variable Attributes section.  Fix
        some obvious typos and copy-editing issues.
        (Variable Attributes, Type Attributes): Likewise add/fix
        @cindex entries for all attributes.

2015-03-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/65523
        * tree-chkp.c (chkp_build_returned_bound): Ignore
        ERF_RETURNS_ARG calls if they have fewer than needed arguments.

2015-03-23  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/65505
        * config/sh/predicates.md (simple_mem_operand,
        displacement_mem_operand): Add test for reg.
        (short_displacement_mem_operand): Test for displacement_mem_operand
        before invoking sh_disp_addr_displacement.
        * config/sh/constraints.md (Sdd, Sra): Simplify.
        * config/sh/sync.md (atomic_mem_operand_0, atomic_mem_operand_1):
        Remove redundant displacement_mem_operand tests.

2015-03-23  Georg-Johann Lay  <avr@gjlay.de>

        PR target/65296
        * config/avr/driver-avr.c (avr_devicespecs_file): Allow to specify
        the same -mmcu=MCU more than once.

2015-03-23  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/65522
        * ipa-devirt.c: Remove duplicate demangle.h include.

        PR target/65504
        * config/i386/i386.c (ix86_copy_addr_to_reg): Set REG_POINTER
        on the pseudo.
        (expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Set
        REG_POINTER on *destptr after adjusting it for prologue size.

        PR ipa/65521
        * ipa-icf.c (sem_item::update_hash_by_addr_refs): Hash
        ultimate_alias_target ()->order ints instead of
        ultimate_alias_target () pointers.

2015-03-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65518
        * tree-vect-stmts.c (vectorizable_load): Reject single-element
        interleaving cases we generate absymal code for.

2015-03-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65494
        * tree-vect-slp.c (vect_build_slp_tree): Do not (re-)allocate
        matches here.
        (vect_analyze_slp_instance): But do that here, always and once.

2015-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * expmed.c (synth_mult): Fix comment about multiplying by T-1 and
        adding T or multiplying by T+1 and subracting T.

2015-03-22  Jeff Law  <law@redhat.com>

        PR rtl-optimization/64317
        * Makefile.in (OBJS): Add gcse-common.c
        * gcse.c: Include gcse-common.h
        (struct modify_pair_s): Move structure definition to gcse-common.h
        (compute_transp): Move function to gcse-common.c.
        (canon_list_insert): Similarly.
        (record_last_mem_set_info): Break out some code and put it into
        gcse-common.c.  Call into the new common code.
        (compute_local_properties): Pass additional arguments to compute_transp.
        * postreload-gcse.c: Include gcse-common.h and df.h
        (modify_mem_list_set, blocks_with_calls): New variables.
        (modify_mem_list, canon_modify_mem_list, transp): Likewise.
        (get_bb_avail_insn): Pass in the expression index too.
        (alloc_mem): Allocate memory for the new bitmaps and lists.
        (free_mem): Free memory for the new bitmaps and lists.
        (insert_expr_in_table): Record a bitmap index for each entry we
        add to the table.
        (record_last_mem_set_info): Call into common code in gcse-common.c.
        (get_bb_avail_insn): If no available insn was found in the requested
        BB.  If BB has a single predecessor, see if the expression is
        transparent in BB and available in that single predecessor.
        (compute_expr_transp): New wrapper for compute_transp.
        (eliminate_partially_redundant_load): Pass expression's bitmap_index
        to get_bb_avail_insn.  Compute next_pred_bb_end a bit later.
        (gcse_after_reload_main): If there are elements in the hash table,
        then compute transparency for all the elements in the hash table.
        * gcse-common.h: New file.
        * gcse-common.c: New file.

2015-03-22  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/cpp.texi (Search Path): Hyphenate "command-line" when used
        as an adjective.
        (System Headers): Likewise.
        (Ifdef): Likewise.
        (Traditional macros): Likewise.
        (Invocation): Likewise.
        (Option Index): Likewise.
        * doc/cppopts.texi (-M): Likewise.
        (-finput-charset): Likewise.
        (--help): Likewise.
        * doc.invoke.texi (AVR Options): Likewise.
        (V850 Options): Likewise.

2015-03-22  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65475
        * ipa-devirt.c: Include demangle.h
        (odr_type_d): Add field rtti_broken.
        (odr_subtypes_equivalent_p): Do not require name to match.
        (compare_virtual_tables): Fix typo; if type already has ODR violation,
        bypass the tests; be ready for function referneces in vtables that are
        not DECL_VIRTUAL; make warnings to be OPT_Wodr.
        (warn_odr): Give up for nameless types.
        (warn_types_mismatch): Report mismatch in mangled names;
        report mismatch in anonymous namespaces; look into component types to
        give useful error; report when mismatch is dragged in from other ODR
        type.
        (odr_types_equivalent_p): Match types for being polymorphic; avoid
        duplicated diagnostics.
        (add_type_duplicate): Reorder checks so more informative ones come
        first; fix typo; do not output "the extra base is defined here" when
        we did not warn.
        (BINFO_N_BASE_BINFOS): Relax sanity check.

2015-03-22  Martin Liska  <mliska@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (def_builtin): Set deferred_isa_values for
        masks that can potentially include a builtin.
        (ix86_add_new_builtins): Introduce fast filter for isa values
        that cannot trigger builtin inclusion.

2015-03-22  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sem_item::update_hash_by_addr_refs): New function.
        (sem_item::update_hash_by_local_refs): Likewise.
        (sem_variable::get_hash): Empty line is fixed.
        (sem_item_optimizer::execute): Include adding of hash references.
        (sem_item_optimizer::update_hash_by_addr_refs): New function.
        (sem_item_optimizer::build_hash_based_classes): Use local hash.
        * ipa-icf.h (sem_item::update_hash_by_addr_refs): New function.
        (sem_item::update_hash_by_local_refs): Likewise.

2015-03-20  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65502
        * ipa-comdats.c (enqueue_references): Walk through thunks.
        (ipa_comdats): Likewise.
        (set_comdat_group_1): New function.

2015-03-20  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65475
        * ipa-devirt.c (add_type_duplicate): Prevail polymorphic type over
        non-polymorphic

2015-03-22  Dave Korn  <dave.korn.cygwin@gmail.com>
            Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Update entry for Danny Smith.

2015-03-21  Chung-Lin Tang  <cltang@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2-protos.h (nios2_adjust_call_address): Adjust
        function parameter declaration.
        * config/nios2/nios2.md (call,call_value,sibcall,sibcall_value):
        Update arguments to nios2_adjust_call_address().
        (sibcall_internal): Rename from *sibcall.
        (sibcall_value_internal): Rename from *sibcall_value.
        * config/nios2/nios2.c (nios2_emit_add_constant): New function.
        (nios2_large_got_address): Add target temp reg parameter.
        (nios2_got_address): Adjust call to nios2_large_got_address, add
        force_reg around it.
        (nios2_load_pic_address): Add target temp reg parameter, replace call
        to nios2_got_address with corresponding code.
        (nios2_legitimize_constant_address): Update call to
        nios2_load_pic_address.
        (nios2_adjust_call_address): Add temp reg parameter, update PIC case
        to use temp reg for PIC loading purposes.
        (nios2_asm_output_mi_thunk): Implement TARGET_ASM_OUTPUT_MI_THUNK.
        (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
        (TARGET_ASM_OUTPUT_MI_THUNK): Likewise.

2015-03-21  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (-fno-diagnostics-show-caret): Fix
        usage of "the @option{...}".
        (-Wopenmp-simd): Likewise.
        (-fsanitize-recover): Likewise.
        (-fsanitize-undefined-trap-on-error): Likewise.
        (-flto): Likewise.
        (tracer-dynamic-coverage-feedback): Likewise.
        (reorder-block-duplicate-feedback): Likewise.
        (loop-unroll-jam-size): Likewise.
        (-B): Likewise.
        (-I-): Likewise.
        (-mabs=legacy): Likewise.
        (-mupper-regs-df): Likewise.
        (-mupper-regs-sf): Likewise.
        (-mpointers-to-nested-functions): Likewise.

2015-03-21  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Cilk Plus Builtins): Add markup.

2015-03-21  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (-fcheck-pointer-bounds): Copy-edit, add
        additional index entries and cross-references.
        (-fchkp-check-incomplete-type): Likewise.
        (-fchkp-first-field-has-own-bounds): Likewise.
        (-fchkp-narrow-to-innermost-array): Likewise.
        (-fchkp-use-fast-string-functions): Likewise.
        (-fchkp-use-nochk-string-functions): Likewise.
        (-fchkp-use-static-const-bounds): Likewise.
        (-fchkp-treat-zero-dynamic-size-as-infinite): Likewise.
        (-fchkp-instrument-marked-only): Likewise.
        (-fchkp-use-wrappers): Likewise.
        (-static-libmpx): Likewise.
        (-static-libmpxwrappers): Likewise.
        * doc/extend.texi (bnd_legacy): Likewise.
        (bnd_instrument): Likewise.
        (bnd_variable_size): Likewise.
        (Pointer Bounds Checker builtins): Likewise.

2015-03-21  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65458
        * cgraph.c (cgraph_node::dump): Handle parallelized_function field.
        * cgraph.h (cgraph_node): Add parallelized_function field.
        * lto-cgraph.c (lto_output_node): Write parallelized_function field.
        (input_overwrite_node): Read parallelized_function field.
        * omp-low.c (expand_omp_taskreg, finalize_task_copyfn): Set
        parallelized_function on cgraph_node for child_fn.
        * tree-parloops.c: Add include of plugin-api.h, ipa-ref.h and cgraph.h.
        Remove include of gt-tree-parloops.h.
        (parallelized_functions): Remove static variable.
        (parallelized_function_p): Rewrite using parallelized_function field of
        cgraph_node.
        (create_loop_fn): Remove adding to parallelized_functions.
        * Makefile.in (GTFILES): Remove tree-parloops.c

2015-03-20  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/64366
        * lra.c (lra_update_insn_regno_info): Consider regs in
        CALL_INSN_FUNCTION_USAGE memory.

2015-03-20  Richard Biener  <rguenther@suse.de>

        PR middle-end/64715
        * tree-chrec.c (chrec_fold_poly_cst): Use useless_type_conversion_p
        for type comparison and gcc_checking_assert.
        (chrec_fold_plus_poly_poly): Likewise.
        (chrec_fold_multiply_poly_poly): Likewise.
        (chrec_convert_1): Likewise.
        * gimplify.c (gimplify_expr): Remove premature folding of
        &X + CST to &MEM[&X, CST].

2015-03-20  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.c (can_inline_edge_p): Short circuit if inline_failed
        already is final.
        (ipa_inline): Recompute inline_failed codes.
        * cif-code.def (FUNCTION_NOT_OPTIMIZED, REDEFINED_EXTERN_INLINE,
        USES_COMDAT_LOCAL, ATTRIBUTE_MISMATCH, UNREACHABLE): Declare as
        CIF_FINAL_ERROR.

2015-03-20  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/60851
        * recog.c (constrain_operands): Accept a pseudo register before reload
        for LRA enabled targets.

2015-03-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/65240
        * config/rs6000/predicates.md (easy_fp_constant): Remove special
        -ffast-math handling that kept non-0 constants live in the RTL
        until reload.  Remove logic testing the number of instructions it
        took to create a constant in a GPR that was never used, due to a
        test for soft-float earlier.
        (memory_fp_constant): Delete, no longer used.

        * config/rs6000/rs6000.md (mov<MODE>_hardfloat): Remove
        alternatives for loading non-0 constants into GPRs for hard
        floating point that is no longer needed due to changes in
        easy_fp_constant.  Add support for loading 0.0 into GPRs.
        (mov<mode>_hardfloat32): Likewise.
        (mov<mode>_hardfloat64): Likewise.
        (mov<mode>_64bit_dm): Likewise.
        (movtd_64bit_nodm): Likewise.
        (pre-reload move FP constant define_split): Delete define_split,
        since it is no longer used.
        (extenddftf2_internal): Remove GHF constraints that are not valid
        for extenddftf2.

2015-03-19  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/63491
        * lra-constraints.c (check_and_process_move): Use src instead of
        sreg.  Remove some dead code.

2015-03-19  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65380
        * ipa-icf.c (sem_function::merge): Do not merge DECL_EXTERNAL symbols.
        (sem_variable::merge): Likewise.

2015-03-19  Martin Liska  <mliska@suse.cz>

        PR ipa/65465
        * cgraphunit.c (cgraph_node::create_wrapper): Correctly reset
        all fields of cgraph_thunk_info.

2015-03-19  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa-chkp.c (chkp_maybe_create_clone): Don't try to
        clone instrumented thunks.

2015-03-19  Richard Biener  <rguenther@suse.de>

        Revert
        2015-03-10  Richard Biener  <rguenther@suse.de>

        PR middle-end/63155
        * tree-ssa-coalesce.h (verify_ssa_coalescing): Declare.
        * tree-ssa-coalesce.c: Include timevar.h.
        (attempt_coalesce): Handle graph being NULL.
        (coalesce_partitions): Call verify_ssa_coalescing if ENABLE_CHECKING.
        Split out abnormal coalescing to ...
        (perform_abnormal_coalescing): ... this function.
        (coalesce_ssa_name): Perform abnormal coalescing without computing
        live/conflict.
        (verify_ssa_coalescing_worker): New function.
        (verify_ssa_coalescing): Likewise.

2015-03-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/65400
        * tsan.c (instrument_gimple): Clear tail call flag on
        calls.

2015-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/65400
        * ipa-split.c (find_return_bb): Allow TSAN_FUNC_EXIT internal
        call in the return bb.
        (find_split_points): Add RETURN_BB argument, don't call
        find_return_bb.
        (split_function): Likewise.  Add ADD_TSAN_FUNC_EXIT argument,
        if true append TSAN_FUNC_EXIT internal call after the call to
        the split off function.
        (execute_split_functions): Call find_return_bb here.
        Don't optimize if TSAN_FUNC_EXIT is found in unexpected places.
        Adjust find_split_points and split_function calls.

2015-03-18  DJ Delorie  <dj@redhat.com>

        * config/rl78/rl78-virt.md (andqi3_virt): Allow far operands.
        (iorqi3_virt): Likewise.

2015-03-18  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (parallelize_loops): Make static.
        * tree-parloops.h (parallelize_loops): Remove extern declaration.

2015-03-18  Andrew Stubbs  <ams@codesourcery.com>

        PR middle-end/64491
        Revert:
        2014-11-20  Andrew Stubbs  <ams@codesourcery.com>

        * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Warn if a loop
        condition would be removed due to undefined behaviour.

2015-03-18  Martin Liska  <mliska@suse.cz>

        PR ipa/65432
        * cgraph.c (cgraph_node::get_create): Remove unnecessary
        xstrdup_for_dump wrapper.
        * ipa-icf.c (sem_item::dump): Use symtab_node::name instead of
        sem_item::name.
        (sem_function::equals): Wrap symtab_node::name and symtab_node::asm_name
        with xstrdup_for_dump.
        (sem_variable::equals): Likewise.
        (sem_item_optimizer::read_section): Use symtab_node::name instead of
        sem_item::name.
        (sem_item_optimizer::parse_funcs_and_vars): Likewise.
        (sem_item_optimizer::merge_classes): Wrap symtab_node::name and
        symtab_node::asm_name with xstrdup_for_dump.
        (congruence_class::dump): Use symtab_node::name instead of
        sem_item::name.
        * ipa-icf.h (symtab_node::name): Remove.
        (symtab_node::asm_name): Likewise.

2015-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65450
        * tree-vect-data-refs.c (vect_duplicate_ssa_name_ptr_info): New
        function.
        (vect_create_addr_base_for_vector_ref, vect_create_data_ref_ptr): Use
        it instead of duplicate_ssa_name_ptr_info.

        PR target/65222
        * doc/invoke.texi: Add knl as x86 -march=/-mtune= CPU type.

2015-03-18  Richard Biener  <rguenther@suse.de>

        * tree-data-ref.h (struct access_matrix): Remove.
        (AM_LOOP_NEST, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
        AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
        AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT): Likewise.
        (am_vector_index_for_loop): Likewise.
        (struct data_reference): Remove access_matrix member.
        (DR_ACCESS_MATRIX): Remove.
        (lambda_vector_new): Add comment.
        (lambda_matrix_new): Use XOBNEWVEC.

2015-03-18  Richard Biener  <rguenther@suse.de>

        * tree-ssa-loop-ch.c (pass_data_ch): Remove TODO_cleanup_cfg.
        (pass_ch::execute): Cleanup the CFG only if we did sth.
        * tree-vect-generic.c (pass_data_lower_vector): Remove TODO_cleanup_cfg.

2015-03-18  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * expmed.c (synth_mult): Use std::swap instead of manually
        swapping algorithms.

2015-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/65078
        * config/i386/sse.md (movsi/movdi -> vec_extract_*_0 splitter): New.

2015-03-16  Georg-Johann Lay  <avr@gjlay.de>

        PR target/65296
        * config/avr/avr.opt (-nodevicelib): New option.
        * doc/invoke.texi (AVR Options): Document it.
        * config/avr/avrlibc.h (LIB_SPEC, LIBGCC_SPEC) [avr1]: Don't link
        libgcc.a, libc.a, libm.a.
        * config/avr/specs.h: Same.
        * config/avr/gen-avr-mmcu-specs.c (print_mcu): Don't print specs
        which don't (directly) depend on the device.  Print more help.
        (*avrlibc_devicelib) [-nodevicelib]: Don't link libdev.a.
        (*cpp): Don't define __AVR_DEV_LIB_NAME__.
        * config/avr/driver-avr.c: Remove -nodevicelib from option list in
        case of an error.
        (avr_devicespecs_file): Use suffix "%s" instead of absolute path
        for specs file name.
        * config/avr/avr-arch.h (avr_mcu_t) [.library_name]: Remove.
        * config/avr/avr-mcus.def: Adjust initializers and comments.

2015-03-16  Jan Hubicka  <hubicka@ucw.cz>

        * tree-sra.c (ipa_sra_preliminary_function_checks): Use
        DECL_ONE_ONLY to check if decl is one only.
        * ipa-split.c (consider_split): Limit splitt of one only functions.

2015-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65427
        * tree-vect-generic.c (do_cond, expand_vector_scalar_condition): New
        functions.
        (expand_vector_operations_1): Handle BLKmode vector COND_EXPR.

2015-03-16  Marek Polacek  <polacek@redhat.com>

        * cgraph.h (add_new_static_var): Remove declaration.
        * varpool.c (add_new_static_var): Remove function.

2015-03-16  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (expand_omp_target): Use auto_vec<tree, 11>
        instead of vec<tree> * with vec_alloc and release for args.
        Adjust all users.

        PR middle-end/65431
        * omp-low.c (delete_omp_context): Only splay_tree_delete
        reduction_map in GIMPLE_OMP_TARGET is_gimple_omp_offloaded
        is_gimple_omp_oacc contexts.  Don't look at ctx->outer.

2015-03-16  Max Ostapenko  <m.ostapenko@partner.samsung.com>

        PR sanitizer/64820
        * cfgexpand.c (align_base): New function.
        (alloc_stack_frame_space): Call it.
        (expand_stack_vars): Align prev_frame to be sure
        data->asan_vec elements aligned properly.

2015-03-16  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/65409
        * expr.c (store_field): Do not do a direct block copy if the source is
        a PARALLEL with BLKmode.

2015-03-16  Tom de Vries  <tom@codesourcery.com>

        PR middle-end/65414
        Revert:
        2015-03-12  Tom de Vries  <tom@codesourcery.com>

        PR rtl-optimization/64895
        * lra-lives.c (check_pseudos_live_through_calls): Use
        actual_call_used_reg_set instead of call_used_reg_set, if available.

2015-03-16  Alan Modra  <amodra@gmail.com>

        PR target/63150
        * config/rs6000/rs6000.md (bswapdi2): Remove one scratch reg.
        Modify Z->r bswapdi splitter to use dest in place of scratch.
        In r->Z and Z->r bswapdi splitter rename word_high, word_low
        to word1, word2 and rearrange logic to suit.
        (bswapdi2_64bit): Remove early clobber on Z->r alternative.
        (bswapdi2_ldbrx): Likewise.  Remove '??' on r->r.
        (bswapdi2_32bit): Remove early clobber on Z->r alternative.
        Add one '?' on r->r.  Modify Z->r splitter to avoid need for
        early clobber.

2015-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65369
        * tree-vect-stmts.c (vectorizable_load) <case dr_explicit_realign>:
        Set bump to vs * TYPE_SIZE_UNIT (elem_type) - 1 instead of
        (vs - 1) * TYPE_SIZE_UNIT (elem_type).

        PR tree-optimization/65418
        * tree-ssa-reassoc.c (extract_bit_test_mask): If there
        are casts in the first PLUS_EXPR operand, ensure tbias and
        *totallowp are in the inner type.

        PR rtl-optimization/65401
        * combine.c (rtx_equal_for_field_assignment_p): Add widen_x
        argument.  If true, adjust_address_nv of x with big-endian
        correction for the mode widening to GET_MODE (y).
        (make_field_assignment): Don't do MEM mode widening here.
        Use MEM_P instead of GET_CODE == MEM.

2015-03-13  Ilya Verbin  <ilya.verbin@intel.com>

        * varpool.c (varpool_node::get_create): Don't set 'offloadable' flag for
        the external decls.

2015-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/64600
        * config/arm/arm.c (arm_gen_constant, AND case): Use
        ARM_SIGN_EXTEND when constructing AND mask.

2015-03-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * graph.c (print_graph_cfg): Make function names visible and append
        parenthesis to it.  Also make groups of basic blocks belonging to the
        same function visible.

2015-03-12  Richard Biener  <rguenther@suse.de>

        PR middle-end/44563
        * tree-inline.c (gimple_expand_calls_inline): Walk BB backwards
        to avoid quadratic behavior with inline expansion splitting blocks.
        * tree-cfgcleanup.c (cleanup_tree_cfg_bb): Do not merge block
        with the successor if the predecessor will be merged with it.
        * tree-cfg.c (gimple_can_merge_blocks_p): We can't merge the
        entry block with its successor.

2015-03-13  Richard Biener  <rguenther@suse.de>

        PR middle-end/44563
        * tree-cfgcleanup.c (split_bb_on_noreturn_calls): Remove.
        (cleanup_tree_cfg_1): Do not call it.
        (execute_cleanup_cfg_post_optimizing): Fixup the CFG here.
        (fixup_noreturn_call): Mark the stmt as control altering.
        * tree-cfg.c (execute_fixup_cfg): Do not dump the function
        here.
        (pass_data_fixup_cfg): Produce a dump file.
        * tree-ssa-dom.c: Include tree-cfgcleanup.h.
        (need_noreturn_fixup): New global.
        (pass_dominator::execute): Fixup queued noreturn calls.
        (optimize_stmt): Queue calls that became noreturn for fixup.
        * tree-ssa-forwprop.c (pass_forwprop::execute): Likewise.
        * tree-ssa-pre.c: Include tree-cfgcleanup.h.
        (el_to_fixup): New global.
        (eliminate_dom_walker::before_dom_childre): Queue calls that
        became noreturn for fixup.
        (eliminate): Fixup queued noreturn calls.
        * tree-ssa-propagate.c: Include tree-cfgcleanup.h.
        (substitute_and_fold_dom_walker): New member stmts_to_fixup.
        (substitute_and_fold_dom_walker::before_dom_children): Queue
        alls that became noreturn for fixup.
        (substitute_and_fold): Fixup queued noreturn calls.

2015-03-12  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_function::equals_wpa): Match CXX_CONSTRUCTOR_P
        and CXX_DESTURCTOR_P. For consutrctors match ODR type of class they
        are building; for methods check ODR type of class they belong to if
        they may lead to a polymorphic call.
        (sem_function::compare_polymorphic_p): Be bit smarter about testing
        when function may lead to a polymorphic call.
        (sem_function::compare_type_list): Remove.
        (sem_variable::equals): Update use of compatible_types_p.
        (sem_variable::parse_tree_refs): Remove.
        (sem_item_optimizer::filter_removed_items): Do not filter out CXX
        cdtor.
        * ipa-icf-gimple.c (func_checker::compare_decl): Do polymorphic
        matching here.
        (func_checker::compatible_polymorphic_types_p): Break out from ...
        (unc_checker::compatible_types_p): ... here.
        * ipa-icf-gimple.h (func_checker::compatible_polymorphic_types_p):
        Declare.
        (unc_checker::compatible_types_p): Update.
        * ipa-icf.h (compare_type_list, parse_tree_refs, compare_sections):
        Remove.

2015-03-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/65235
        * simplify-rtx.c (simplify_binary_operation_1, VEC_SELECT case):
        When first element of vec_concat is const_int, calculate its size
        using second element.

2015-03-12  Richard Biener  <rguenther@suse.de>

        PR middle-end/65270
        * fold-const.c (operand_equal_p): Fix ordering of resetting
        OEP_ADDRESS_OF and checking for it in the [TARGET_]MEM_REF case.

2015-03-12  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_reorg): Move code to output nops after label
        to s390_reorg ().
        (s390_asm_output_function_label): Likewise.
        * config/s390/s390.c (s390_asm_output_function_label):
        Fix function label alignment with -mhtopatch.
        * config/s390/s390.md ("unspecv"): New values UNSPECV_NOP_2_BYTE,
        UNSPECV_NOP_4_BYTE and UNSPECV_NOP_6_BYTE
        ("nop_2_byte"): New define_insn.
        ("nop_4_byte"): Likewise.
        ("nop_6_byte"): Likewise.
        * doc/extend.texi (hotpatch): hotpatch attribute doc fixes.
        * doc/invoke.texi (-mhotpatch): -mhotpatch doc fixes.

2015-03-12  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65103
        * config/i386/i386.c (ix86_address_cost): Fix cost of a PIC
        register.

2015-03-12  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65044
        * toplev.c (process_options): Restrict Pointer Bounds Checker
        usage with Address Sanitizer.

2015-03-12  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (gimple_split_block): Remove loop finding stmt
        to split on.
        * omp-low.c (expand_omp_taskreg): Split block before removing
        the stmt.
        (expand_omp_target): Likewise.
        * ubsan.c (ubsan_expand_null_ifn): Adjust stmt if we replaced it.
        * tree-parloops.c (create_call_for_reduction_1): Pass a proper
        stmt to split_block.

2015-03-12  Tom de Vries  <tom@codesourcery.com>

        PR rtl-optimization/64895
        * lra-lives.c (check_pseudos_live_through_calls): Use
        actual_call_used_reg_set instead of call_used_reg_set, if available.

2015-03-10  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_node::release_body): Free function_in_decl_state.
        (cgraph_node::remove): Likewise.
        (cgraph_node::get_untransformed_body): Likewise.
        * varpool.c (varpool_node::remove): Likewise.
        (varpool_node::get_constructor): Add sanity check.

2015-03-11  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (-fgnu89-inline): Remove discussion about
        old GCC versions.
        (-fabi-compat-version): Likewise.
        (-ffriend-injection): Likewise.
        (-Wdeclaration-after-statement): Likewise.
        (-fomit-frame-pointer): Likewise.
        (-ftree-coalesce-inlined-vars): Likewise.
        (-fvisibility=): Likewise.
        * doc/extend.texi (Typeof): Likewise.
        (Zero Length): Likewise.
        (Escaped Newlines): Likewise.
        (Compound Literals): Likewise.
        (Function Attributes): Likewise.
        (Label Attributes): Likewise.
        (Type Attributes): Likewise.
        (Function Names): Likewise.
        (Other Builtins): Likewise.
        (Function Specific Option Pragmas): Likewise.
        (C++ Interface): Likewise.

2015-03-11  Thomas Schwinge  <thomas@codesourcery.com>

        * config/nvptx/nvptx.h (LIBSTDCXX): Define to "gcc".

2015-03-11  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/65388
        * tree-ssa-tail-merge.c (same_succ_def::equal): Fix typo in comparison.

2015-03-10  Georg-Johann Lay  <avr@gjlay.de>

        PR target/65296
        * configure.ac [avr]: Check as for options -mrmw, --mlink-relax.
        * configure: Regenerate.
        * config.in: Regenerate.
        * doc/invoke.texi (AVR Options) [-mrmw]: Document it.
        [-mn-flash]: Document it.
        [__AVR_ARCH__]: Document avrtiny.

        * config/avr/gen-avr-mmcu-specs.c (config.h): Include it.
        (*asm_relax): Only define spec if HAVE_AS_AVR_MLINK_RELAX_OPTION.
        (*asm_rmw): Only define spec if HAVE_AS_AVR_MRMW_OPTION.

2015-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * doc/invoke.texi: Add missing cpu values (z196, zEC12).

2015-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/65242
        * config/rs6000/rs6000.c (rs6000_preferred_reload_class): Do not
        allow reloads of PLUS in floating point/VSX registers.

2015-03-11  Junmo Park  <junmoz.park@samsung.com>

        * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Add
        crypto_sha256_fast.
        (cortex_a57_crypto_complex): Add crypto_sha256_slow.

2015-03-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65310
        * tree-sra.c (build_ref_for_offset): Also preserve larger
        alignment.

2015-03-11  Marat Zakirov  <m.zakirov@samsung.com>

        * asan.c (instrument_derefs): Disable instrumentation on asan-globals=0.

2015-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/65368
        * config/i386/i386.md (bmi2_bzhi_<mode>3): Removed define_insn,
        new define_expand.
        (*bmi2_bzhi_<mode>3, *bmi2_bzhi_<mode>3_1): New define_insns.

2015-03-10  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_function::equals_wpa): Move here some checks from ...
        (sem_function::equals_wpa): ... here.

2015-03-10  Marek Polacek  <polacek@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/65367
        * ubsan.c (ubsan_expand_objsize_ifn): Update GSI instead of GSI_ORIG
        when only removing the statement.  Handle expanding UBSAN_OBJECT_SIZE
        separately.

2015-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/65286
        * config/rs6000/t-linux: For powerpc64* target set
        MULTILIB_OSDIRNAMES instead of MULTIARCH_DIRNAME.

2015-03-10  Richard Biener  <rguenther@suse.de>

        PR middle-end/44563
        * tree-inline.c (copy_cfg_body): Skip block mapped to entry/exit
        for redirect_all_calls.

2015-03-10  Marek Polacek  <polacek@redhat.com>

        * gdbinit.in (pcfun): Define and document.

2015-03-10  Ilya Verbin  <ilya.verbin@intel.com>

        * config/i386/intelmic-mkoffload.c: Include intelmic-offload.h instead
        of libgomp-plugin.h.
        (find_target_compiler): Support a case when the path to gcc is
        specified in the PATH env var, so COLLECT_GCC doesn't contain a path.
        (generate_host_descr_file): Use GOMP_DEVICE_INTEL_MIC from
        intelmic-offload.h instead of OFFLOAD_TARGET_TYPE_INTEL_MIC from
        libgomp-plugin.h.
        (main): Use GCC_INSTALL_NAME as target_driver_name.
        * config/i386/t-intelmic (CFLAGS-mkoffload.o): Add GCC_INSTALL_NAME
        define.
        (mkoffload.o): Remove obsolete include path and defines.
        (mkoffload$(exeext)): Use $(LINKER) instead of $(COMPILER).

2015-03-10  Richard Biener  <rguenther@suse.de>

        PR middle-end/63155
        * tree-ssa-coalesce.h (verify_ssa_coalescing): Declare.
        * tree-ssa-coalesce.c: Include timevar.h.
        (attempt_coalesce): Handle graph being NULL.
        (coalesce_partitions): Call verify_ssa_coalescing if ENABLE_CHECKING.
        Split out abnormal coalescing to ...
        (perform_abnormal_coalescing): ... this function.
        (coalesce_ssa_name): Perform abnormal coalescing without computing
        live/conflict.
        (verify_ssa_coalescing_worker): New function.
        (verify_ssa_coalescing): Likewise.

2015-03-10  Georg-Johann Lay  <avr@gjlay.de>

        PR target/65296
        * config.gcc (extra_options) [avr]: Remove.
        (extra_gcc_objs) [avr]: Use driver-avr.o, avr-devices.o.
        (tm_file) [avr]: Add avr/specs.h after avr/avr.h.
        (tm_defines) [avr-*-rtems*]: Add WITH_RTEMS.

        * config/avr/avr.opt (config/avr/avr-arch.h): Remove include.
        (-mmcu=): Add Var and MissingArgError properties.
        (-march=): Remove.
        * config/avr/genmultilib.awk: Use -mmcu= instead of -march=.
        * config/avr/t-multilib: Regenerate.
        * config/avr/specs.h: New file.
        * config/avr/driver-avr.c: New file.
        * config/avr/genopt.sh: Remove file.
        * config/avr/avr-tables.opt: Remove file.
        * config/avr/predicates.md (avr_current_arch): Rename to avr_arch.
        * config/avr/avr-c.c: Same.
        * avr-arch.h: Same.
        (avr_current_device): Remove proto.
        * config/avr/avr.h (avr_current_arch): Rename to avr_arch.
        (AVR_HAVE_8BIT_SP): Don't depend on avr_current_device.
        (EXTRA_SPEC_FUNCTIONS): Define.
        (avr_devicespecs_file): New specs function proto.
        (DRIVER_SELF_SPECS): Use device-specs-file spec function.
        * config/avr/avr.c (avr_current_arch): Rename to avr_arch.
        (avr_current_device): Remove definition and usage.
        (avr_set_core_architecture): New static function.
        (avr_option_override): Use it.
        * config/avr/avr-devices.c (diagnostic.h, avr-arch.h): Include them.
        (mcu_name): New static array.
        (comparator, avr_archs_str, avr_mcus_str): New static functions.
        (avr_inform_devices, avr_inform_core_architectures): New functions.
        * config/avr/gen-avr-mmcu-specs.c (avr-arch.h, specs.h): Include.
        (avrlibc.h) [WITH_AVRLIBC]: Include.
        (../rtems.h, rtems.h) [WITH_RTEMS]: Include.
        (print_mcu): Rewrite from scratch.
        * config/avr/avrlibc.h (LIB_SPEC, LIBGCC_SPEC, STARTFILE_SPEC):
        Forward to avr-specific specs defined in device-specs file.
        * config/avr/t-avr (driver-avr.o): New rule.
        (avr-devices.o): Depend on avr-arch.h.
        (avr-mcus): No more depend on avr-tables.opt.
        (avr-tables.opt): Remove rule.
        (install-device-specs): Use INSTALL_DATA, not INSTALL_PROGRAM.

2015-03-10  Ilya Enkovich  <ilya.enkovich@intel.com>

        * c-family/c.opt (fchkp-use-wrappers): New.
        * ipa-chkp.c (CHKP_WRAPPER_SYMBOL_PREFIX): New.
        (chkp_wrap_function): New.
        (chkp_build_instrumented_fndecl): Support wrapped
        functions.
        * doc/invoke.texi (-fcheck-pointer-bounds): New.
        (-fchkp-check-incomplete-type): New.
        (-fchkp-first-field-has-own-bounds): New.
        (-fchkp-narrow-bounds): New.
        (-fchkp-narrow-to-innermost-array): New.
        (-fchkp-optimize): New.
        (-fchkp-use-fast-string-functions): New.
        (-fchkp-use-nochk-string-functions): New.
        (-fchkp-use-static-bounds): New.
        (-fchkp-use-static-const-bounds): New.
        (-fchkp-treat-zero-dynamic-size-as-infinite): New.
        (-fchkp-check-read): New.
        (-fchkp-check-write): New.
        (-fchkp-store-bounds): New.
        (-fchkp-instrument-calls): New.
        (-fchkp-instrument-marked-only): New.
        (-fchkp-use-wrappers): New.
        (-static-libmpx): New.
        (-static-libmpxwrappers): New.

2015-03-10  Ilya Enkovich  <ilya.enkovich@intel.com>

        * config/i386/linux-common.h (LIBMPX_WRAPPERSSPEC): New.
        (CHKP_SPEC): Add wrappers library.
        * c-family/c.opt (static-libmpxwrappers): New.

2015-03-10  Ilya Enkovich  <ilya.enkovich@intel.com>

        * config/i386/linux-common.h (LIBMPX_LIBS): New.
        (LIBMPX_SPEC): New.
        (CHKP_SPEC): New.
        * gcc.c (CHKP_SPEC): New.
        (LINK_COMMAND_SPEC): Add CHKP_SPEC.
        * c-family/c.opt (static-libmpx): New.

2015-03-10  Richard Biener  <rguenther@suse.de>

        PR middle-end/44563
        * cgraph.h (struct cgraph_edge_hasher): Add hash overload
        for compare_type.
        * cgraph.c (cgraph_edge_hasher::hash): Inline htab_hash_pointer.
        (cgraph_update_edge_in_call_site_hash): Use cgraph_edge_hasher::hash.
        (cgraph_add_edge_to_call_site_hash): Likewise.
        (cgraph_node::get_edge): Likewise.
        (cgraph_edge::set_call_stmt): Likewise.
        (cgraph_edge::remove_caller): Likewise.

2015-03-10  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32.h (callee_saved_regs_size): Rename to ...
        (callee_saved_gpr_regs_size): ... this.
        (callee_saved_regs_first_regno): Rename to ...
        (callee_saved_first_gpr_regno): ... this.
        (callee_saved_regs_last_regno) Rename to ...
        (callee_saved_last_gpr_regno): ... this.
        * config/nds32/nds32.c (nds32_compute_stack_frame): Adjust renamed
        variables.
        (nds32_initial_elimination_offset): Likewise.
        (nds32_expand_prologue): Likewise.
        (nds32_expand_epilogue): Likewise.
        (nds32_expand_prologue_v3push): Likewise.
        (nds32_expand_epilogue_v3pop): Likewise.
        * config/nds32/nds32-md-auxiliary.c (nds32_output_stack_push):
        Adjust renamed variables.
        (nds32_output_stack_pop): Likewise.

2015-03-10  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * dominance.c (nearest_common_dominator_for_set): Fix A_Dominated_by_B
        code in comment.

2015-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/65321
        * cfgexpand.c (expand_debug_expr): Ensure shift amount isn't wider
        than shift mode.
        * var-tracking.c (use_narrower_mode): Likewise.

2015-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR tree-optimization/65355
        * varasm.c (notice_global_symbol): Do not produce RTL.
        * symtab.c (symtab_node::can_increase_alignment_p): Check for section
        anchor.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Do not
        check for section anchors.

2015-03-10  Alan Modra  <amodra@gmail.com>

        PR target/65286
        * config.gcc (powerpc*-*-linux*): Arrange for powerpc64le-linux
        to be single-arch by default.  Set cpu_is_64bit for powerpc64
        given --with-cpu=native.
        * config/rs6000/t-fprules: Do not set default MULTILIB vars.
        * config/rs6000/t-linux (MULTIARCH_DIRNAME): Support powerpc64
        and powerpc64le.
        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Test
        rs6000_isa_flags rather than TARGET_64BIT.

2015-03-09  Yoshinori Sato  <ysato@users.sourceforge.jp>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/t-linux (MULTILIB_EXCEPTIONS): Define for m2a cases.

2015-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR lto/65361
        * ipa-devirt.c (add_type_duplicate): Don't use DECL_CONTEXT
        on a TREE_BINFO, instead use BINFO_TYPE.

2015-03-09  Richard Biener  <rguenther@suse.de>

        PR middle-end/65270
        * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF.
        * fold-const.c (operand_equal_p): When recursing for ADDR_EXPRs
        operand set OEP_ADDRESS_OF.  Clear it when recursing to non-bases
        of that.  When comparing dereferences compare alignment.
        When comparing MEM_REFs or TARGET_MEM_REFs compare dependence info.

2015-03-08  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (check_callers): Check
        node->can_remove_if_no_direct_calls_and_refs_p.
        (growth_likely_positive): Reorganize to call
        can_remove_if_no_direct_calls_p later.
        * cgraph.h (will_be_removed_from_program_if_no_direct_calls_p,
        will_be_removed_from_program_if_no_direct_calls_p): Add
        will_inline parameter.
        * cgraph.c (cgraph_node::can_remove_if_no_direct_calls_p,
        cgraph_node::will_be_removed_from_program_if_no_direct_calls_p):
        Handle inliner case correctly.

2015-03-09  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/63743
        * cfgexpand.c (reorder_operands): Also reorder if only second operand
        had its definition forwarded by TER.

2015-03-08  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/65316
        * ipa-utils.h (types_odr_comparable): Add strict argument.
        * ipa-devirt.c: Fix whitespace;
        (odr_hasher): Remove.
        (odr_name_hasher, odr_vtable_hasher): New hashers.
        (can_be_name_hashed_p): New predicate.
        (hash_type_name): remove.
        (hash_odr_name): New.
        (odr_name_hasher::hash): new.
        (can_be_vtable_hashed_p): New.
        (hash_odr_vtable): New.
        (odr_vtable_hasher::hash): New.
        (types_same_for_odr): Add strict parameter.
        (types_odr_comparable): Likewise.
        (odr_name_hasher::equal): New.
        (odr_vtable_hasher::equal): New.
        (odr_name_hasher::remove): New.
        (odr_hash_type): Change to hash_table<odr_name_hasher>.
        (odr_vtable_hash_type): New.
        (odr_vtable_hash): New.
        (odr_subtypes_equivalent_p): Do strict comparsion.
        (add_type_duplicate): Merge type names; cleanup; avoid type
        duplicates.
        (register_odr_type): Initialize vtable hash.
        (build_type_inheritance_graph): Likewise
        (get_odr_type): Reorg to use two hashes.
        (dump_possible_polymorphic_call_targets): Move sanity check after debug
        output.
        (ipa_devirt): Dump type_inheritance_graph.
        (types_same_for_odr): Add strict mode.

2015-03-05  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65334
        * cgraph.h (symtab_node): Add definition_alignment,
        can_increase_alignment_p and increase_alignment.
        * symtab.c (symtab_node::can_increase_alignment_p,
        increase_alignment_1, symtab_node::increase_alignment,
        symtab_node::definition_alignment): New.
        * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Use
        can_increase_alignment_p.
        * tree-vectorizer.c (increase_alignment): Use increase_alignment.
        * tree-vect-stmts.c (ensure_base_align): Likewise.
        * varasm.c (function_section_1): Use definition_alignment.
        (assemble_start_function): Likewise.
        (emit_local): likewise.
        (build_constant_desc): Likewsie.
        (output_constant_def_contents): Likewise.
        (place_block_symbol): Likewise.
        (output_object_block): Likewise.

2015-03-05  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65316
        * tree.c (free_lang_data_in_type): Be sure to keep BINFO_VTABLE
        when outputting debug.

2015-03-07  Marek Polacek  <polacek@redhat.com>
            Martin Uecker  <uecker@eecs.berkeley.edu>

        PR sanitizer/65280
        * doc/invoke.texi: Update description of -fsanitize=bounds.

2015-03-06  Wilco Dijkstra  <wilco.dijkstra@arm.com>

        * tree-ssa-phiopt.c (neg_replacement): Remove.
        (tree_ssa_phiopt_worker): Remove negate optimization.

2015-03-05  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65302
        * value-prof.c (gimple_ic): Pure dead eh edges when needed.

2015-03-06  Richard Biener  <rguenther@suse.de>

        PR middle-end/64928
        * tree-ssa-live.h (struct tree_live_info_d): Add livein_obstack
        and liveout_obstack members.
        (calculate_live_on_exit): Remove.
        (calculate_live_ranges): Change declaration.
        * tree-ssa-live.c (liveness_bitmap_obstack): Remove global var.
        (new_tree_live_info): Adjust.
        (calculate_live_ranges): Delete livein when not wanted.
        (calculate_live_ranges): Do not initialize liveness_bitmap_obstack.
        Deal with partly deleted live info.
        (loe_visit_block): Remove temporary bitmap by using
        bitmap_ior_and_compl_into.
        (live_worklist): Adjust accordingly.
        (calculate_live_on_exit): Make static.
        * tree-ssa-coalesce.c (coalesce_ssa_name): Tell calculate_live_ranges
        we do not need livein.

2015-03-06  Jonathan Wakely  <jwakely@redhat.com>

        * real.c (real_from_string): Fix typo in assertion.

2015-03-06  Alex Velenko  <alex.velenko@arm.com>

        * ChangeLog (2015-03-05): Reflect Richard Henderson as actual author of
        the patch.

2015-03-05  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_variable::equals_wpa): Check FINAL flags.

2015-03-05  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/64342
        * lra-assigns.c (find_hard_regno_for): Rename to
        find_hard_regno_for_1.  Add a new parameter.
        (find_hard_regno_for): New function using find_hard_regno_for_1.

2015-03-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rtl-optimization/65067
        * expmed.c (store_bit_field, extract_bit_field): Reworked the
        strict volatile bitfield handling.

2015-03-05  Martin Liska  <mliska@suse.cz>

        PR ipa/65318
        * ipa-icf.c (sem_variable::equals): Compare variables types.

2015-03-05  Richard Henderson  <rth@redhat.com>

        PR target/65121
        * config/arm/arm.c (arm_function_in_section_p): Fix predicate to
        correctly check weak symbol binding.

2015-03-05  Steve Ellcey  <sellcey@imgtec.com>

        PR middle-end/65315
        * cfgexpand.c (expand_stack_vars): Update large_align to maximum
        needed alignment.

2015-03-05  Martin Liska  <mliska@suse.cz>

        * ipa-inline.c (inline_small_functions): Set default value to
        prevent warning during bootstrap.
        * tree.h: Add pragma guard that ignores false positives during
        bootstrap.

2015-03-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65310
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment):
        Properly preserve alignment of the base of the access.

2015-03-05  Richard Biener  <rguenther@suse.de>

        PR ipa/65270
        * ipa-icf-gimple.c (func_checker::compare_memory_operand):
        Compare dependence info.

2015-03-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/65233
        * ipa-polymorphic-call.c: Include tree-ssa-operands.h and
        tree-into-ssa.h.
        (walk_ssa_copies): Revert last chage.  Instead do not walk
        SSA names registered for SSA update.

2015-03-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65270
        * ipa-icf.c (sem_item::compare_cgraph_references): Compare
        vtable references for their containing type.
        (sem_function::equals_wpa): Compare TYPE_RESTRICT
        and type attributes.

2015-03-04  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (round_up_loc): Cast divisor to signed on all paths
        before negating it.
        * stor-layout.c (finalize_record_size): Revert latest change.

2015-03-04  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/rs6000/t-freebsd64: Remove 32-bit soft-float multilibs.

2015-03-03  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_node::can_remove_if_no_direct_calls_p): Rewrite
        for correct comdat handling.
        (cgraph_node::will_be_removed_from_program_if_no_direct_calls_p):
        Likewise.
        * cgraph.h (call_for_symbol_and_aliases): Fix formating.
        (used_from_object_file_p_worker): Remove.
        (cgraph_node::only_called_directly_or_alised): Add
        used_from_object_file_p.
        * ipa-inline-analysis.c (growth_likely_positive): Optimie.
        * ipa-inline-transform.c (can_remove_node_now_p_1): Use
        can_remove_if_no_direct_calls_and_refs_p.

2015-03-04  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.h (enum reg_class): Remove real registers from
        General register class.
        * config/rl78/rl78-real.md: Replace general register constraints
        with real+virtual register constraints.

2015-03-04  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_builtin): Exlude non-htm builtins
        from checking for -mhtm option.

2015-03-03  Jan Hubicka  <hubicka@ucw.cz>

        * tree-sra.c (convert_callers): Use call_for_symbol_and_aliases.
        (struct ipa_sra_check_caller_data): Add has_thunk field.
        (ipa_sra_check_caller): Check for thunk.
        (ipa_sra_preliminary_function_checks): Give up on function with
        thunks.
        (ipa_early_sra): Use call_for_symbol_and_aliases.

2015-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/65249
        * config/sh/sh.md (symGOT_load): Use R0 reg for operands[2] when
        called for __stack_chk_guard symbol.

2015-03-03  DJ Delorie  <dj@redhat.com>

        * config/rl78/rl78-real.md (*addqi_real): Allow SADDR types for
        inc/dec.
        (*addhi3_real): Likewise.
        * config/rl78/rl78-virt.md (*inc<mode>3_virt): Additional
        pattern to match incrementing memory.
        * config/rl78/predicates.md (rl78_1_2_operand): New.
        * config/rl78/rl78.c (rl78_force_nonfar_3): Allow far mem-mem if
        it's the same and only mem.
        (rl78_alloc_physical_registers_op2): If there's effectively only
        one MEM, transcode it into HL.
        (rl78_far_p): Reject addresses that aren't legitimate.

2015-03-03  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (round_up_loc): Cast divisor to HOST_WIDE_INT before
        negating it.

        * tree-sra.c (pa_sra_preliminary_function_checks): Fix typo in message.

2015-03-03  Max Filippov  <jcmvbkbc@gmail.com>

        Implement call0 ABI for xtensa
        * config/xtensa/constraints.md ("a" constraint): Include stack
        pointer in case of call0 ABI.
        ("q" constraint): Make empty in case of call0 ABI.
        ("D" constraint): Include stack pointer in case of call0 ABI.
        * config/xtensa/xtensa-protos.h (xtensa_set_return_address,
        xtensa_expand_epilogue, xtensa_regno_to_class): Add new function
        prototypes.
        * config/xtensa/xtensa.c (xtensa_callee_save_size): New
        variable.
        (xtensa_regno_to_class): Make it a local variable in the
        function xtensa_regno_to_class.
        (xtensa_function_epilogue, TARGET_ASM_FUNCTION_EPILOGUE): Remove
        macro, function prototype and implementation.
        (reg_nonleaf_alloc_order): Make it a local variable in the
        function order_regs_for_local_alloc.
        (xtensa_conditional_register_usage): New function.
        (TARGET_CONDITIONAL_REGISTER_USAGE): Define macro.
        (xtensa_valid_move): Allow direct moves to stack pointer
        register in call0 ABI.
        (xtensa_setup_frame_addresses): Only spill register windows in
        windowed ABI.
        (xtensa_emit_call): Emit call(x)8 or call(x)0 in windowed and
        call0 ABI respectively.
        (xtensa_function_arg_1): Only mark a7 register for copying in
        windowed ABI.
        (xtensa_call_save_reg): New function.
        (compute_frame_size): Add space for callee saved register
        storage to the frame size in call0 ABI.
        (xtensa_expand_prologue): Generate code to set up stack frame
        and save callee-saved registers in call0 ABI.
        (xtensa_expand_epilogue): New function.
        (xtensa_set_return_address): New function.
        (xtensa_return_addr): Calculate return address in call0 ABI.
        (xtensa_builtin_saveregs): Only mark a7 register for copying and
        emit copying code in windowed ABI.
        (order_regs_for_local_alloc): Add preferred register allocation
        order for non-leaf function in call0 ABI.
        (xtensa_static_chain): Add atatic chain passing for call0 ABI.
        (xtensa_asm_trampoline_template): Add trampoline generation for
        call0 ABI.
        (xtensa_trampoline_init): Add trampoline initialization for
        call0 ABI.
        (xtensa_conditional_register_usage, xtensa_regno_to_class): New
        functions.
        * config/xtensa/xtensa.h (TARGET_WINDOWED_ABI): New macro.
        (TARGET_CPU_CPP_BUILTINS): Add built-in define for call0 ABI.
        (CALL_USED_REGISTERS): Modify to encode both windowed and call0
        ABI call-used registers.
        (HARD_FRAME_POINTER_REGNUM): Add frame pointer for call0 ABI.
        (INCOMING_REGNO, OUTGOING_REGNO): Use argument unchanged in
        call0 ABI.
        (REG_CLASS_CONTENTS): Include all registers into the preferred
        reload registers set, adjust the set in the
        xtensa_conditional_register_usage.
        (xtensa_regno_to_class): Drop variable declaration.
        (REGNO_REG_CLASS): Redefine to use xtensa_regno_to_class
        function.
        (WINDOW_SIZE): Define as 8 or 0 for windowed and call0 ABI
        respectively.
        (FUNCTION_PROFILER): Add _mcount call for call0 ABI.
        (TRAMPOLINE_SIZE): Define trampoline size for call0 ABI.
        (RETURN_ADDR_IN_PREVIOUS_FRAME): Define to 0 in call0 ABI.
        (ASM_OUTPUT_POOL_PROLOGUE): Always generate literal pool
        location in call0 ABI.
        (EH_RETURN_STACKADJ_RTX): New definition, use a10 for passing
        stack adjustment size when handling exception.
        (CRT_CALL_STATIC_FUNCTION): Add definition for call0 ABI.
        * config/xtensa/xtensa.md (A9_REG, UNSPECV_BLOCKAGE): New
        definitions.
        ("return" pattern): Generate ret.n/ret in call0 ABI.
        ("epilogue" pattern): Expand epilogue.
        ("nonlocal_goto" pattern): Use default in call0 ABI.
        ("eh_return" pattern): Move implementation to eh_set_a0_windowed,
        emit eh_set_a0_* depending on ABI.
        ("eh_set_a0_windowed" pattern): Former eh_return pattern.
        ("eh_set_a0_call0", "blockage"): New patterns.

2015-03-03  Martin Liska  <mliska@suse.cz>

        PR ipa/65287
        * ipa-icf.c (sem_variable::parse): Skip all alias variables.

2015-03-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR 65138/target
        * config/rs6000/rs6000-tables.opt: Regenerate table.

2015-03-03  Renlin Li  <renlin.li@arm.com>

        * doc/md.texi (@item ^): Change ? into ^.

2015-03-03  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/tm.texi: Regenerated.

2015-03-03  Max Filippov  <jcmvbkbc@gmail.com>

        * builtins.c (expand_builtin_return_addr): Add
        RETURN_ADDR_IN_PREVIOUS_FRAME to 'if' condition, remove
        surrounding #ifdef.
        * config/sparc/sparc.h (RETURN_ADDR_IN_PREVIOUS_FRAME): Change
        definition to 1.
        * config/xtensa/xtensa.h (RETURN_ADDR_IN_PREVIOUS_FRAME):
        Likewise.
        * defaults.h (RETURN_ADDR_IN_PREVIOUS_FRAME): Define to 0 if
        undefined.
        * doc/tm.texi.in (RETURN_ADDR_IN_PREVIOUS_FRAME): Update
        paragraph.

2015-03-03  Martin Jambor  <mjambor@suse.cz>
            Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (ipa_sra_check_caller_data): New type.
        (has_caller_p): Removed.
        (ipa_sra_check_caller): New function.
        (ipa_sra_preliminary_function_checks): Use it.

2015-03-03  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sem_item_optimizer::merge_classes): Use bit or
        instead of if branch.

2015-03-03  Martin Liska  <mliska@suse.cz>

        PR ipa/65282
        * ipa-icf.c (sem_variable::equals): Fix wrong condition.

2015-03-23  Jeff Law  <law@redhat.com>

        PR tree-optimization/65241
        * tree-ssa-dom.c (lookup_avail_expr): Only modify the avail_expr
        hash table if INSERT is true.

2015-03-03  Georg-Johann Lay  <avr@gjlay.de>

        PR target/65296
        * config.gcc (extra_gcc_objs) [avr-*-rtems*]: Remove.

2015-03-03  Georg-Johann Lay  <avr@gjlay.de>

        PR target/64331
        * config/avr/avr.c (context.h, tree-pass.h): Include them.
        (avr_pass_data_recompute_notes): New static variable.
        (avr_pass_recompute_notes): New class.
        (avr_register_passes): New static function.
        (avr_option_override): Call it.

2015-03-03  Georg-Johann Lay  <avr@gjlay.de>

        Fix various problems with specs file generation.

        PR target/65296
        * config.gcc (extra_gcc_objs) [avr]: Remove.
        * config/avr/driver-avr.c: Remove file.
        * config/avr/t-avr (driver-avr.o): Remove rule.
        (gen-avr-mmcu-specs): Use CXX_FOR_BUILD, CXXFLAGS_FOR_BUILD and
        INCLUDES to build.  Depend on TM_H.
        * config/avr/gen-avr-mmcu-specs.c: Tidy up code.  Fix various
        build warnings.  Fix non-matching types and non-existing %-codes.
        (tm.h): Include.
        (*lib) [!WITH_AVRLIBC]: Don't link libdev.a.
        (*libgcc) [WITH_AVRLIBC]: Add "-lm".
        * config/avr/avrlibc.h (LIBGCC_SPEC): Remove definition.
        * config/avr/avr.h (DRIVER_SELF_SPECS): Fix handling of -march=.
        (CPP_SPEC, CC1PLUS_SPEC, ASM_SPEC, LINK_SPEC, LIB_SPEC)
        (LIBGCC_SPEC): Remove definitions.

2015-03-03  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.c (expand_vec_perm_interleave_2): Use gen_raw_REG
        to create a register in testing mode.

2015-03-03  Martin Liska  <mliska@suse.cz>
            Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65263
        * cgraph.c (cgraph_node::has_thunk_p): New function.
        * cgraph.h (cgraph_node::has_thunk_p: Likewise.
        * ipa-icf.c (redirect_all_callers): Do not redirect thunks.
        (sem_function::merge): Assert is changed.

2015-03-03  Martin Liska  <mliska@suse.cz>
            Martin Jambor  <mjambor@suse.cz>

        PR ipa/65087
        * ipa-icf.c (sem_item_optimizer::execute): Change function
        return value to boolean.
        (sem_item_optimizer::merge_classes): Likewise.
        (ipa_icf_driver): Return TODO_remove_functions in case there's
        a merge operation processed.
        * ipa-icf.h: Change function return value to boolean.

2015-03-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR 65138/target
        * config/rs6000/rs6000-cpus.def (powerpc64le): Add new generic
        processor type for 64-bit little endian PowerPC.

        * config/rs6000/rs6000.c (rs6000_option_override_internal): If
        -mdebug=reg, print TARGET_DEFAULT.  Fix logic to use
        TARGET_DEFAULT if there is no default cpu.  Fix -mdebug=reg
        printing built-in mask so it does not pass NULL pointers.

        * doc/invoke.texi (IBM RS/6000 and PowerPC options): Document
        -mcpu=powerpc64le.

2015-03-02  Steve Ellcey  <sellcey@imgtec.com>

        PR target/58158
        * config/mips/mips.md (mov<mode>cc): Change ISA_HAS_SEL check to
        !ISA_HAS_FP_CONDMOVE.

2015-03-02  Aldy Hernandez  <aldyh@redhat.com>

        * config/i386/i386.md (*udivmod<mode>4_pow2): Remove
        reload_completed.

2015-03-02  Ulrich Drepper  <drepper@gmail.com>

        * doc/invoke.texi (Options for Code Generation Conventions):
        Fix URL of DSO paper.

2015-03-02  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65130
        * ipa-inline.c (check_callers): Looks for recursion.
        (inline_to_all_callers): Give up on uninlinable or recursive edges.
        * ipa-inline-analysis.c (inline_summary_t::duplicate): Do not update
        summary of inline clones.
        (do_estimate_growth_1): Fix recursion check.

2015-03-02  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64988
        * ipa-inline-transform.c (clone_inlined_nodes): Do not dissolve
        comdat groups.

2015-03-02  Jan Hubicka  <hubicka@ucw.cz>
            Aldy Hernandez  <aldyh@redhat.com>

        PR lto/65276
        * ipa-devirt.c (add_type_duplicate): Remove odr_violated assert
        when checking TYPE_BINFO.

2015-03-02  Richard Biener  <rguenther@suse.de>

        PR ipa/65270
        * ipa-icf-gimple.c: Include builtins.h.
        (func_checker::compare_memory_operand): Compare base alignment.

2015-03-02  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65184
        * config/i386/i386.c (ix86_pass_by_reference): Bounds are never
        passed by reference.

2015-03-02  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65183
        * tree-chkp.c (chkp_check_lower): Don't check against
        zero bounds for already instrumented functions.
        (chkp_check_upper): Likewise.
        (chkp_fini): Clean pass local data to avoid wrong reusage.

2015-02-28  Martin Liska  <mliska@suse.cz>
            Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_variable::equals): Improve debug output;
        get variable constructor.
        (sem_variable::parse): Do not filter out too early; give up on
        volatile and register vars.
        (sem_item_optimizer::filter_removed_items): Filter out nonreadonly
        variables.
        * ipa-icf.h (sem_variable::init): Do not set ctor.
        (sem_variable::ctor): Remove.

2015-03-01  Aldy Hernandez  <aldyh@redhat.com>

        PR middle-end/65233
        * ipa-polymorphic-call.c (walk_ssa_copies): Handle empty PHIs.

2015-02-28  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c: Include stor-layout.h
        (sem_function::compare_cgraph_references): Rename to ...
        (sem_item::compare_cgraph_references): ... this one.
        (sem_variable::equals_wpa): New function
        (sem_variable::equals): Do not check stuff already verified by
        equals_wpa.
        (sem_variable::equals): Reorg based on varasm.c:compare_constant.
        * ipa-icf.h (sem_item): Add compare_cgraph_references.
        (sem_function): Remove compare_cgraph_references.
        (sem_variable): Turns equals_wpa into non-inline.

2015-02-28  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_function::init): Fix formating; skip GIMPLE_PREDICT.
        (sem_item::add_expr): New function.
        (sem_function::hash_stmt): Handle operands of most statements.
        (sem_variable::get_hash): Hash the actual constructor.
        * ipa-icf.h (sem_item): Add add_expr.
        (sem_function): Update prototype of hash_stmt

2015-02-28  Martin Liska  <mliska@suse.cz>
            Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65245
        * ipa-icf-gimple.c (func_checker::compare_function_decl):
        Remove.
        (func_checker::compare_variable_decl): Skip symtab vars.
        (func_checker::compare_cst_or_decl): Update.
        * ipa-icf.c (sem_function::parse): Do not consider aliases.
        (sem_function::compare_cgraph_references): Add ADDRESS parameter;
        use correct symtab predicates.
        (sem_function::equals_wpa): Update uses of compare_cgraph_references.
        (sem_variable::parse):  Update comment.
        (sem_item_optimizer::build_graph): Consider ultimate aliases
        for references.

2015-02-28  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf-gimple.c (func_checker::compare_operand): Fix handling
        of OBJ_TYPE_REF.

2015-02-28  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_function::merge): Fix handling of COMDAT.
        (sem_variable::merge) Likewise.

2015-02-28  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.c (can_inline_edge_p): Match opt_for_fn on inline
        target; also match flag_ipa_devirt.

2015-03-01  Martin Liska  <mliska@suse.cz>
            Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf-gimple.c (func_checker::compare_variable_decl):
        Validate variable alignment.
        * ipa-icf.c (sem_function::equals_private): Be more precise
        about non-common function attributes.
        (sem_variable::equals): Likewise.

2015-02-28  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65237
        * ipa-icf.c (sem_function::merge): Do not attempt to produce alias
        across COMDAT group boundary.

2015-02-28  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65232
        * ipa-icf.c (clear_decl_rtl): New function.
        (sem_function::merge): Clear RTL before forming alias.
        (sem_variable::merge): Clear RTL before forming alias.

2015-02-28  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65236
        * cgraphunit.c (cgraph_node::expand_thunk): Enable return slot opt.

2015-02-28  Xingxing Pan  <xxingpan@marvell.com>

        * config/aarch64/aarch64.md: (mov<mode>_aarch64): Change type
        to neon_to_gp<q>.

2015-02-27  Vladimir Makarov  <vmakarov@redhat.com>

        * params.def (PARAM_LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF): Fix
        a typo in the description.

2015-02-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/64317
        * params.def (PARAM_LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF): New.
        * params.h (LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF): New.
        * lra-constraints.c: Include "params.h".
        (EBB_PROBABILITY_CUTOFF): Use
        LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF.
        (lra_inheritance): Use '<' instead of '<=' for
        EBB_PROBABILITY_CUTOFF.
        * doc/invoke.texi (lra-inheritance-ebb-probability-cutoff):
        Document change.

2015-02-27  Martin Liska  <mliska@suse.cz>

        * ipa-icf.h (struct symbol_compare_hashmap_traits): Add missing
        vector length condition.

2015-02-27  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (x86 transactional memory intrinsics):
        Reorganize discussion of _xbegin.  Clarify that the return
        value is a bit mask.  Expand example and move to end of section.

2015-02-26  Jakub Jelinek  <jakub@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        PR rtl-optimization/65220
        * config/i386/i386.md (*udivmod<mode>4_pow2): New.

2015-02-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/65032
        * lra-remat.c (update_scratch_ops): New.
        (do_remat): Call it.
        * lra.c (lra_register_new_scratch_op): New. Take code from ...
        (remove_scratches): ... here.
        * lra-int.h (lra_register_new_scratch_op): New prototype.

2015-02-27  Marek Polacek  <polacek@redhat.com>

        PR c/65040
        * doc/invoke.texi: Update to reflect that -Wformat=2 doesn't enable
        -Wformat-signedness anymore.

2015-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c: (s390_atomic_assign_expand_fenv): New
        function.
        (TARGET_ATOMIC_ASSIGN_EXPAND_FENV): Define macro.

2015-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (enum s390_builtin):
        Add S390_BUILTIN_S390_SFPC and S390_BUILTIN_S390_EFPC.
        (code_for_builtin): Add CODE_FOR_s390_sfpc and CODE_FOR_s390_efpc.
        (s390_init_builtins): Generate new builtin functions.
        * config/s390/s390.md (UNSPECV_SFPC, UNSPECV_EFPC): New constants.
        (s390_sfpc, s390_efpc): New pattern definitions.

2015-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c: (enum s390_builtin, s390_expand_builtin):
        Rename S390_BUILTIN_max to S390_BUILTIN_MAX.
        (s390_builtin_decls): New array.
        (s390_init_builtins): Put builtin decls into s390_builtin_decls.
        (s390_builtin_decl): New function.
        (TARGET_BUILTIN_DECL): Define macro.

2015-02-27  Richard Biener  <rguenther@suse.de>

        PR middle-end/63175
        * builtins.c (get_object_alignment_2): Make sure to re-apply
        the ANDed mask after recursing to its operand gets us a new
        misalignment bit position.

2015-02-26  Jan Hubicka  <hubicka@ucw.cz>
            Martin Liska  <mliska@suse.cz>

        PR bootstrap/65150
        * ipa-icf.c (symbol_compare_collection::symbol_compare_colleciton):
        Use address_matters_p.
        (redirect_all_callers, set_addressable): New functions.
        (sem_function::merge): Reorganize and fix merging issues.
        (sem_variable::merge): Likewise.
        (sem_variable::compare_sections): Remove.
        * common.opt (fmerge-all-constants, fmerge-constants): Remove
        Optimization flag.
        * symtab.c (symtab_node::resolve_alias): When alias has aliases,
        redirect them.
        (symtab_node::make_decl_local): Set ADDRESSABLE bit when
        decl is used.
        (address_matters_1): New function.
        (symtab_node::address_matters_p): New function.
        * cgraph.c (cgraph_edge::verify_corresponds_to_fndecl): Fix
        check for merged flag.
        * cgraph.h (address_matters_p): Declare.
        (symtab_node::address_taken_from_non_vtable_p): Remove.
        (symtab_node::address_can_be_compared_p): New method.
        (ipa_ref::address_matters_p): Move here from ipa-ref.c; simplify.
        * ipa-visibility.c (symtab_node::address_taken_from_non_vtable_p):
        Remove.
        (comdat_can_be_unshared_p_1) Use address_matters_p.
        (update_vtable_references): Fix formating.
        * ipa-ref.c (ipa_ref::address_matters_p): Move inline.
        * cgraphunit.c (cgraph_node::create_wrapper): Drop UNINLINABLE flag.
        * cgraphclones.c: Preserve merged and icf_merged flags.

2015-02-26  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Function Attributes): Fix spelling and typos.
        (Label Attributes): Likewise.
        (Cilk Plus Builtins): Likewise.
        (ARC SIMD Built-in Functions): Likewise.
        (ARM C Language Extensions (ACLE)): Likewise.
        (PowerPC Built-in Functions): Likewise.
        (PowerPC Hardware Transactional Memory Built-in Functions):
        Likewise.

2015-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65216
        * tree-ssa-reassoc.c (rewrite_expr_tree): Force creation of
        new stmt and new SSA_NAME for lhs whenever the arguments have
        changed and weren't just swapped.  Fix comment typo.

        PR tree-optimization/65215
        * tree-ssa-math-opts.c (find_bswap_or_nop_load): Return false
        for PDP endian targets.
        (perform_symbolic_merge, find_bswap_or_nop_1, find_bswap_or_nop):
        Fix up formatting issues.
        (bswap_replace): Likewise.  For BYTES_BIG_ENDIAN, if the final access
        size is smaller than the original, adjust MEM_REF offset by the
        difference of sizes.  Use is_gimple_mem_ref_addr instead of
        is_gimple_min_invariant test to avoid adding address temporaries.

2015-02-26  Martin Liska  <mliska@suse.cz>
            Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64693
        * ipa-icf.c (symbol_compare_collection::symbol_compare_collection): New.
        (sem_item_optimizer::subdivide_classes_by_sensitive_refs): New function.
        (sem_item_optimizer::process_cong_reduction): Include division by
        sensitive references.
        * ipa-icf.h (struct symbol_compare_hashmap_traits): New class.
        * ipa-ref.c (ipa_ref::address_matters_p): New function.
        * ipa-ref.h (ipa_ref::address_matters_p): Likewise.

2015-02-26  Georg-Johann Lay  <avr@gjlay.de>

        PR target/65192
        * config/avr/avr-protos.h (tiny_valid_direct_memory_access_range):
        Remove.
        * config/avr/avr.c: Same.
        (avr_legitimate_address_p) <AVR_TINY, CONSTANT_ADDRESS_P>:
        Refuse any constant address not in 0..0xbf.
        * config/avr/avr.md (*mov<mode>, *movsf): Remove
        tiny_valid_direct_memory_access_range from insn conditions.
        (mov<mode>): Don't special-case expansion of avrtiny addresses.

2015-02-26  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/61142
        * config/sh/sh.c (sh_check_add_incdec_notes): New function.
        * config/sh/sh-protos.h (sh_check_add_incdec_notes): Declare it.
        * config/sh/predicates.md (const_logical_operand): New predicate.
        * config/sh/sh.md: Add new peephole2 patterns.

2015-02-26  Marek Polacek  <polacek@redhat.com>

        PR ipa/65008
        * ipa-inline.c (early_inliner): Recompute inline parameters.

2015-02-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/65171
        * config/rs6000/rs6000.c (rs6000_analyze_swaps): Ensure
        instructions with TImode operands are included in the analysis.

2015-02-26  Sebastian Pop  <s.pop@samsung.com>

        * tree-ssa-threadupdate.c (dump_jump_thread_path): Print all edges
        of an EDGE_FSM_THREAD.

2015-02-25  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>

        * config/rs6000/htm.md (tcheck): Fix assembly encoding.

2015-02-25  Aldy Hernandez  <aldyh@redhat.com>

        PR debug/46102
        * dwarf2out.c (dwarf2out_init): Disable -feliminate-dwarf2-dups.

2015-02-26  Sebastian Pop  <s.pop@samsung.com>

        PR tree-optimization/65048
        * tree-ssa-threadupdate.c (valid_jump_thread_path): New.
        (thread_through_all_blocks): Call valid_jump_thread_path.
        Remove invalid FSM jump-thread paths.

2015-02-26  Jakub Jelinek  <jakub@redhat.com>

        * passes.c (ipa_write_summaries_1): Call lto_output_init_mode_table.
        (ipa_write_optimization_summaries): Likewise.
        * tree-streamer.h: Include data-streamer.h.
        (streamer_mode_table): Declare extern variable.
        (bp_pack_machine_mode, bp_unpack_machine_mode): New inline functions.
        * lto-streamer-out.c (lto_output_init_mode_table,
        lto_write_mode_table): New functions.
        (produce_asm_for_decls): Call lto_write_mode_table when streaming
        offloading LTO.
        * lto-section-in.c (lto_section_name): Add "mode_table" entry.
        (lto_create_simple_input_block): Add mode_table argument to the
        lto_input_block constructors.
        * ipa-prop.c (ipa_prop_read_section, read_replacements_section):
        Likewise.
        * data-streamer-in.c (string_for_index): Likewise.
        * ipa-inline-analysis.c (inline_read_section): Likewise.
        * ipa-icf.c (sem_item_optimizer::read_section): Likewise.
        * lto-cgraph.c (input_cgraph_opt_section): Likewise.
        * lto-streamer-in.c (lto_read_body_or_constructor,
        lto_input_toplevel_asms): Likewise.
        (lto_input_mode_table): New function.
        * tree-streamer-out.c (pack_ts_fixed_cst_value_fields,
        pack_ts_decl_common_value_fields, pack_ts_type_common_value_fields):
        Use bp_pack_machine_mode.
        * real.h (struct real_format): Add name field.
        * lto-streamer.h (enum lto_section_type): Add LTO_section_mode_table.
        (class lto_input_block): Add mode_table member.
        (lto_input_block::lto_input_block): Add mode_table_ argument,
        initialize mode_table.
        (struct lto_file_decl_data): Add mode_table field.
        (lto_input_mode_table, lto_output_init_mode_table): New prototypes.
        * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields,
        unpack_ts_decl_common_value_fields,
        unpack_ts_type_common_value_fields): Call bp_unpack_machine_mode.
        * tree-streamer.c (streamer_mode_table): New variable.
        * real.c (ieee_single_format, mips_single_format,
        motorola_single_format, spu_single_format, ieee_double_format,
        mips_double_format, motorola_double_format,
        ieee_extended_motorola_format, ieee_extended_intel_96_format,
        ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
        ibm_extended_format, mips_extended_format, ieee_quad_format,
        mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
        decimal_single_format, decimal_double_format, decimal_quad_format,
        ieee_half_format, arm_half_format, real_internal_format): Add name
        field.
        * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.

2015-02-26  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR target/65161
        * config/i386/i386.c (ix86_sched_reorder): Skip instruction
        reordering for selective scheduling.

2015-02-26  Terry Guo  <terry.guo@arm.com>

        * config/arm/arm-cores.def (cortex-m7): Add flag FL_NO_VOLATILE_CE.
        * config/arm/arm-protos.h (FL_NO_VOLATILE_CE): New flag.
        (arm_arch_no_volatile_ce): Declare new global variable.
        * config/arm/arm.c (arm_arch_no_volatile_ce): New global variable.
        (arm_option_override): Assign value to arm_arch_no_volatile_ce.
        * config/arm/arm.h (arm_arch_no_volatile_ce): Declare it.
        (TARGET_NO_VOLATILE_CE): New macro.
        * config/arm/arm.md (arm_comparison_operator): Disabled if not allow
        volatile memory access in IT block

2015-02-25  Kai Tietz  <ktietz@redhat.com>

        PR tree-optimization/61917
        * tree-vect-loop.c (vectorizable_reduction): Handle obvious case
        that reduc_def_stmt is null.

2015-02-25  Martin Liska  <mliska@suse.cz>

        * ipa-icf-gimple.c (func_checker::compare_variable_decl): Compare
        hard register variables.

2015-02-25  Kai Tietz  <ktietz@redhat.com>

        PR target/64212
        * symtab.c (symtab::make_decl_local): Set DECL_IMPORT_P explicit to 0.
        (symtab::noninterposable_alias): Likewise.

2015-02-25  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/65167
        * config/i386/i386.c (ix86_function_arg_regno_p): Support
        bounds registers.
        (avoid_func_arg_motion): Add dependencies for BNDSTX insns.

2015-02-25  Alan Lawrence  <alan.lawrence@arm.com>

        PR target/64997
        * config/aarch64/aarch64.md (*xor_one_cmpl<mode>3): Use FP_REGNUM_P
        as split condition; force split via '#' in output pattern.

2015-02-25  Richard Biener  <rguenther@suse.de>
            Kai Tietz  <ktietz@redhat.com>

        PR tree-optimization/61917
        * tree-vect-loop.c (vectorizable_reduction): Allow
        vect_internal_def without reduction to exit graceful.

2015-02-25  Georg-Johann Lay  <avr@gjlay.de>

        PR target/65196
        * config/avr/avr.c (avr_adjust_insn_length): Call recog_memoized
        only with NONDEBUG_INSN_P.

2015-02-25  Georg-Johann Lay  <avr@gjlay.de>

        Use variadic macros with avr-log.c.

        * config/avr/avr-protos.h (avr_vdump): New prototype.
        (avr_log_set_caller_e, avr_log_set_caller_f): Remove protos.
        (avr_edump, avr_fdump, avr_dump): (Re)define to use avr_vdump.
        * config/avr/avr-log.c: Adjust comments.
        (avr_vdump): New function.
        (avr_vadump): Pass caller as 2nd argument instead of format string.
        (avr_log_caller, avr_log_fdump_e, avr_log_fdump_f)
        (avr_log_set_caller_e, avr_log_set_caller_f): Remove.

2015-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR lto/64374
        * target.def (target_option_stream_in): New target hook.
        * tree-streamer-in.c (streamer_read_tree_bitfields): Invoke
        targetm.target_option.post_stream_in if non-NULL.
        * doc/tm.texi.in: Add @hook TARGET_OPTION_POST_STREAM_IN.
        * doc/tm.texi: Updated.
        * config/i386/i386.c (ix86_function_specific_post_stream_in): New
        function.
        (TARGET_OPTION_POST_STREAM_IN): Redefine.

2015-02-24  Jeff Law  <law@redhat.com>

        PR target/65117
        * config/xtensa/xtensa.md (zero_cost_loop_start): Reverse numbering
        of operand 0 and operand 2.
        (zero_cost_loop_end, loop_end): Similarly.

2015-02-24  Aldy Hernandez  <aldyh@redhat.com>

        * gimple.h (gimple_build_assign): Rename CXX_MEM_STAT_DECL to
        CXX_MEM_STAT_INFO.

2015-02-24  DJ Delorie  <dj@redhat.com>

        * config/rl78/rl78-protos.h (rl78_split_movsi): Accept a mode as well.
        * config/rl78/rl78-expand.md (movsf): New, same as movsi.
        * config/rl78/rl78.c (rl78_split_movsi): Accept a mode, use it
        instead of hardcoding SImode.

2015-02-24  Bernd Schmidt  <bernds@codesourcery.com>

        * omp-low.c (create_omp_child_function): Tag entrypoint
        functions with a special attribute.

2015-02-24  Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>

        PR target/65058
        * config/rs6000/xcoff.h (ASM_OUTPUT_EXTERNAL): Drop unused variable.

2015-02-24  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/65123
        * lra-remat.c (operand_to_remat): Check hard regs in insn
        definition too.

2015-02-24  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.h (ASM_SPEC): Pass -msoft-float/-mhard-float on
        to the assembler.

2015-02-24  Thomas Schwinge  <thomas@codesourcery.com>

        PR libgomp/64625
        * omp-builtins.def (BUILT_IN_GOACC_DATA_START): Specify as
        BT_FN_VOID_INT_SIZE_PTR_PTR_PTR, not
        BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR.
        (BUILT_IN_GOACC_ENTER_EXIT_DATA, BUILT_IN_GOACC_UPDATE): Specify as
        BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_INT_INT_VAR, not
        BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR.
        (BUILT_IN_GOACC_PARALLEL): Specify as
        BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR, not
        BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR.
        * builtin-types.def
        (BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR)
        (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR):
        Remove function types.
        (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR)
        (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_INT_INT_VAR)
        (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR):
        New function types.

2015-02-24  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/stdfix.h [__WITH_AVRLIBC__]: Include <stdfix-avrlibc.h>.

2015-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65170
        * wide-int.cc (wi::mul_internal): For the umul_ppmm optimization,
        if val[1] < 0, clear also val[2] and return 3.

2015-02-24  Alan Modra  <amodra@gmail.com>

        PR target/65172
        * config/rs6000/rs6000.c (get_memref_parts): Only return true
        when *base is a reg.  Handle nested plus addresses.  Simplify
        pre_modify test.

2015-02-22  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.h (CONSTANT_ALIGNMENT, DATA_ALIGNMENT):
        use natural alignment when optimizing for size.

2015-02-23  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/65153
        * config/sh/sh.md (movsicc_true+3): Remove peephole.
        * config/sh/sh-protos.h (replace_n_hard_rtx): Don't declare.
        * config/sh/sh.c (replace_n_hard_rtx): Remove.

2015-02-23  Richard Sandiford  <richard.sandiford@arm.com>

        PR fortran/63427
        * wide-int.cc (wi::from_mpz): Cope with unwrapped values that are
        too big for a wide_int.  Implement missing wrapping operation.

2015-02-23  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/65163
        * config/sh/sh.md (swapbsi2, related peephole2): Use const_int -65536
        instead of const_int 4294901760.

2015-02-23  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/t-avr: Fix typo in comment.

2015-02-21  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/rtl.texi (fma): Clarify documentation.

2015-02-20  Aldy Hernandez  <aldyh@redhat.com>

        PR debug/58123
        * gimplify.c (gimplify_expr): Prefer location of TRY_FINALLY_EXPR
        over input_location.

2015-02-20  Bernd Schmidt  <bernds@codesourcery.com>

        * tree-streamer-in.c (unpack_ts_decl_common_value_fields,
        unpack_ts_type_common_value_fields): If ACCEL_COMPILER,
        restrict alignments to absolute_biggest_alignment.
        * config/i386/i386.c (TARGET_ABSOLUTE_BIGGEST_ALIGNMENT):
        Define.
        * doc/tm.texi.in (TARGET_ABSOLUTE_BIGGEST_ALIGNMENT): Add.
        * doc/tm.texi: Regenerate.
        * target.def (absolute_biggest_alignment): New DEFHOOKPOD.

2015-02-20  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/64172
        * ira-color.c (color_pass): Prevent splitting multi-register pseudos.

2015-02-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65136
        * tree-ssa-propagate.c: Include cfgloop.h.
        (replace_phi_args_in): Avoid replacing loop latch edge PHI
        arguments with constants.

2015-02-20  Jakub Jelinek  <jakub@redhat.com>
            Martin Liska  <mliska@suse.cz>

        PR target/63892
        * ipa-icf.c (sem_function::merge): If DECL_COMDAT_GROUP (alias->decl),
        don't try to create_thunk if stdarg_p.  If
        !sem_item::target_supports_symbol_aliases_p (), similarly, and try to
        redirect_callers if possible.
        (sem_item_optimizer::execute): Call unregister_hooks here...
        (ipa_icf_driver): ... instead of here.

2015-02-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (*aarch64_lshr_sisd_or_int_<mode>3):
        Mark operand 0 as earlyclobber in 2nd alternative.
        (1st define_split below *aarch64_lshr_sisd_or_int_<mode>3):
        Write negated shift amount into QI lowpart operand 0 and use it
        in the shift step.
        (2nd define_split below *aarch64_lshr_sisd_or_int_<mode>3): Likewise.

2015-02-20  Bernd Schmidt  <bernds@codesourcery.com>

        * cgraph.h (clone_function_name_1): Declare.
        * cgraphclones.c (clone_function_name_1): New function.
        (clone_function_name): Use it.
        * lto-partition.c: Include "stringpool.h".
        (must_not_rename, maybe_rewrite_identifier)
        (validize_symbol_for_target): New static functions.
        (privatize_symbol_name): Use must_not_rename.
        (promote_symbol): Call validize_symbol_for_target.
        (lto_promote_cross_file_statics): Likewise.
        (lto_promote_statics_nonwpa): Likewise.

2015-02-20  Georg-Johann Lay  <avr@gjlay.de>

        PR target/64452
        * config/avr/avr.md (pushhi_insn): New insn.
        (push<mode>1): Push virtual regs in one chunk using pushhi1_insn.

2015-02-20  Bernd Schmidt  <bernds@codesourcery.com>
            Jakub Jelinek  <jakub@redhat.com>

        * tree-streamer.c (preload_common_nodes): Don't preload
        TI_VA_LIST* for offloading.
        * tree-stdarg.c (pass_stdarg::gate): Disable for ACCEL_COMPILER
        in_lto_p.

2015-02-19  John David Anglin  <danlgin@gcc.gnu.org>

        * config/pa/pa.c (pa_emit_move_sequence): Always force
        (const (plus (symbol) (const_int))) to const mem.  Put REG_EQUAL
        note on insn.

        * config/pa/pa.c (pa_reloc_rw_mask): New function.
        (TARGET_ASM_RELOC_RW_MASK): Define.
        (pa_cannot_force_const_mem): Revert previous change.

2015-02-19  Martin Jambor  <mjmabor@suse.cz>
            Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65028
        * ipa-cp.c (propagate_alignment_accross_jump_function): Fix propagation
        across jump functions.

2015-02-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_in_small_data_p): Reject common symbols.

2015-02-19  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (x86 transactional memory intrinsics): Copy-edit.

2015-02-19  Richard Henderson  <rth@redhat.com>

        PR middle-end/65074
        * varasm.c (default_binds_local_p_2): Don't test node->definition;
        test DECL_EXTERNAL independent of symtab_node.

2015-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR lto/65012
        * varpool.c (varpool_node::get_constructor): Return early
        if this->lto_file_data is NULL.

2015-02-19  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * haifa-sched.c (enum rfs_decision, rfs_str): Remove RFS_DEBUG.
        (rank_for_schedule_debug): Update.
        (ready_sort): Make static.  Move sorting logic to ...
        (ready_sort_debug, ready_sort_real): New static functions.
        (schedule_block): Sort both debug insns and real insns in preparation
        for ready list trimming.  Improve debug output.
        * sched-int.h (ready_sort): Remove global declaration.

2015-02-18  Trevor Saunders  <tsaunders@mozilla.com>

        * ipa-icf.c (sem_function::equals_private): Adjust.
        (sem_function::bb_dict_test): Take a vec<int> * instead of
        auto_vec<int>.
        * ipa-icf.h (bb_dict_test): Likewise.

2015-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR gcov-profile/64634
        * tree-eh.c (frob_into_branch_around): Fix up typos
        in function comment.
        (lower_catch): Put eh_seq resulting from EH lowering of
        the cleanup sequence after the cleanup rather than before it.

2015-02-18  Tom de Vries  <tom@codesourcery.com>

        * common.opt (fstdarg-opt): New option.
        * tree-stdarg.c (pass_stdarg::gate): Use flag_stdarg_opt.
        * doc/invoke.texi (@item Optimization Options): Add -fstdarg-opt.
        (@item -fstdarg-opt): New item.

2015-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/65064
        * config/ia64/predicates.md (sdata_symbolic_operand): Return false
        for common symbols.

2015-02-18  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/t-intelmic (mkoffload.o): Remove dependency on
        insn-modes.h.
        (ALL_HOST_OBJS): Add mkoffload.o.
        * config/nvptx/t-nvptx (ALL_HOST_OBJS): Likewise.

2015-02-18  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (odr_subtypes_equivalent_p): Fix formating.
        (compare_virtual_tables): Be smarter about skipping typeinfos;
        do sane output on virtual table table mismatch.
        (warn_odr): Be ready for forward declarations of enums;
        output sane info on base mismatch and virtual table mismatch.
        (add_type_duplicate): Fix code choosing prevailing type; do not ICE
        when only one type is polymorphic.
        (get_odr_type): Fix hashtable corruption.
        (dump_odr_type): Dump mangled names.

2015-02-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65063
        * tree-predcom.c (determine_unroll_factor): Return 1 if we
        have replaced looparound PHIs.

2015-02-18  Martin Liska  <mliska@suse.cz>

        * lto-streamer.c (lto_streamer_init): Encapsulate
        streamer_check_handled_ts_structures with checking macro.

2015-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/65087
        * cgraphclones.c (cgraph_node::create_virtual_clone): Only copy
        section if !implicit_section.
        (cgraph_node::create_version_clone_with_body): Likewise.
        * trans-mem.c (ipa_tm_create_version): Likewise.

2015-02-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/62217
        * tree-ssa-dom.c (cprop_operand): Avoid propagating copies
        into BIVs.

2015-02-18  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/65081
        * ubsan.c (OBJSZ_MAX_OFFSET): Define.
        (ubsan_expand_objsize_ifn): Don't emit run-time check if the offset
        is in range [-16K, -1].  Don't issue run-time error if
        (ptr > ptr + offset).

2015-02-18  Thomas Schwinge  <thomas@codesourcery.com>

        * doc/install.texi (nvptx-*-none): New section.
        * doc/invoke.texi (Nvidia PTX Options): Likewise.
        * config/nvptx/nvptx.opt: Update.

        * config/nvptx/mkoffload.c (parse_env_var, free_array_of_ptrs)
        (access_check): New functions, copied from
        config/i386/intelmic-mkoffload.c.
        (main): For non-installed testing, look in all COMPILER_PATHs for
        GCC_INSTALL_NAME.

        * config/nvptx/nvptx.h (GOMP_SELF_SPECS): Define macro.

2015-02-18  Andrew Pinski  <apinski@cavium.com>
            Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * config/aarch64/aarch64.c (*aarch64_load_symref_appropriately):
        Check whether the destination of SYMBOL_SMALL_TPREL is Pmode.

2015-02-17  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-visibility.c (function_and_variable_visibility): Only
        check locality if node is not already local.
        * ipa-inline.c (want_inline_function_to_all_callers_p): Use
        call_for_symbol_and_aliases instead of
        call_for_symbol_thunks_and_aliases.
        (ipa_inline): Likewise.
        * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
        first walk aliases.
        * ipa.c (symbol_table::remove_unreachable_nodes): Use
        call_for_symbol_and_aliases.
        * ipa-profile.c (ipa_propagate_frequency_data): Add function_symbol.
        (ipa_propagate_frequency_1): Use it; use opt_for_fn
        (ipa_propagate_frequency): Update.
        (ipa_profile): Add opt_for_fn gueards.

2015-02-17  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh.opt (mcbranch-force-delay-slot): New option.
        * doc/invoke.texi (SH options): Document it.
        * config/sh/sh.c (sh_insn_length_adjustment): Check
        TARGET_CBRANCH_FORCE_DELAY_SLOT instead of sh_cpu_attr == CPU_SH2E.

2015-02-17  H.J. Lu  <hongjiu.lu@intel.com>

        * common.opt (fipa-cp-alignment): New.
        * ipa-cp.c (ipcp_store_alignment_results): Check
        flag_ipa_cp_alignment.
        * opts.c (default_options_table): Enable -fipa-cp-alignment for
        -O2.
        (enable_fdo_optimizations): Set x_flag_ipa_cp_alignment.
        * doc/invoke.texi: Document -fipa-cp-alignment.

2015-02-17  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/64793
        * config/sh/sh.md (cbranch define_delay): Set annulled true branch insn
        to nil.  Adjust comments.

2015-02-17  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-visibility.c (function_and_variable_visibility): Only
        check locality if node is not already local.
        * ipa-inline.c (want_inline_function_to_all_callers_p): Use
        call_for_symbol_and_aliases instead of
        call_for_symbol_thunks_and_aliases.
        (ipa_inline): Likewise.
        * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
        first walk aliases.
        * ipa.c (symbol_table::remove_unreachable_nodes): Use
        call_for_symbol_and_aliases.
        * ipa-profile.c (ipa_propagate_frequency_data): Add function_symbol.
        (ipa_propagate_frequency_1): Use it; use opt_for_fn
        (ipa_propagate_frequency): Update.
        (ipa_profile): Add opt_for_fn guards.

2015-02-17  Thomas Schwinge  <thomas@codesourcery.com>

        * config/nvptx/mkoffload.c (parse_file): Fix logic error in
        skipping of "strange" tokens.

2015-02-17  Jeff Law  <law@redhat.com>

        * tree-vrp.c (identify_jump_threads): Use last_stmt.  Remove
        obsolete comment.

2015-02-17  James Greenhalgh  <james.greenhalgh@arm.com>

        * haifa-sched.c (recompute_todo_spec): Treat SCHED_GROUP_P
        as forcing a HARD_DEP between instructions, thereby
        disallowing rewriting to break dependencies.

2015-02-16  Jan Hubicka  <hubicka@ucw.cz>

        * symtab.c (symtab_node::verify_base): Verify body_removed->!definiton
        * lto-cgraph.c (lto_output_varpool_node): Do not keep definition of
        variables in boundary that have no inlitalizer encoded and are
        not aliases.
        * varasm.c (default_binds_local_p_2): External definitions do not
        count as definitions here.

2015-02-16  Jeff Law  <law@redhat.com>

        PR tree-optimization/64823
        * tree-vrp.c (identify_jump_threads): Handle blocks with no real
        statements.
        * tree-ssa-threadedge.c (potentially_threadable_block): Allow
        threading through blocks with PHIs, but no statements.
        (thread_through_normal_block): Distinguish between blocks where
        we did not process all the statements and blocks with no statements.

2015-02-16  Jakub Jelinek  <jakub@redhat.com>
            James Greenhalgh  <james.greenhalgh@arm.com>

        PR ipa/64963
        * cgraphclones.c (cgraph_node::create_virtual_clone): Copy
        section if not linkonce.  Fix up formatting.
        (cgraph_node::create_version_clone_with_body): Copy section.
        * trans-mem.c (ipa_tm_create_version): Likewise.

2015-02-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/65077
        * tree-ssa-structalias.c (get_constraint_for_1): Handle
        IMAGPART_EXPR, REALPART_EXPR and BIT_FIELD_REF.
        (find_func_aliases): Allow float values to carry pointers again.

2015-02-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * doc/install.texi (Specific): Reorder targets list to put
        aarch64 in alphabetical order.  Add a link to aarch64*-*-*
        from the top menu.

2015-02-16  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
            David Edelsohn  <dje.gcc@gmail.com>

        PR target/65058
        * config/rs6000/rs6000.c (rs6000_output_symbol_ref): Append storage
        mapping class to external variable or function reference.
        * config/rs6000/xcoff.h (ASM_OUTPUT_EXTERNAL): Do not append storage
        mapping class.

2015-02-16  David Eelsohn  <dje.gcc@gmail.com>

        PR target/53348
        * config/rs6000/rs6000.c (rs6000_declare_alias): Only use
        ASM_WEAKEN_DECL if defined.

2015-02-16  Richard Biener  <rguenther@suse.de>

        PR lto/65015
        * varasm.c (default_file_start): For LTO produced units
        emit <artificial> as file directive.

2015-02-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/63593
        * tree-predcom.c (execute_pred_commoning_chain): Delay removing
        stmts and releasing SSA names until...
        (execute_pred_commoning): ... after processing all chains.

2015-02-16  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65059
        * ipa-comdats.c (ipa_comdats): Do not categorize thunks to
        external functions.

2015-02-15  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/bugreport.texi: Adjust section titles throughout the file
        to use "Title Case".
        * doc/extend.texi: Likewise.
        * doc/gcov.texi: Likewise.
        * doc/implement-c.texi: Likewise.
        * doc/implement-cxx.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/objc.texi: Likewise.
        * doc/standards.texi: Likewise.
        * doc/trouble.texi: Likewise.

2015-02-15  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.h (symtab_node::has_aliases_p): Simplify.
        (symtab_node::call_for_symbol_and_aliases): Use has_aliases_p
        * tree.c (lookup_binfo_at_offset): Make static.
        (get_binfo_at_offset): Do not shadow offset; add explanatory
        comment.

2015-02-15  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_secondary_reload): Request a secondary reload
        for all floading point loads and stores except those using a register
        index address.
        * config/pa/pa.md: Add new patterns to load a lo_sum DLT operand
        to a register.

2015-02-14  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (growth_data): Add uninlinable field.
        (do_estimate_growth_1): Record if any uninlinable edge was seen.
        (estimate_growth): Handle uninlinable edges correctly.
        (check_callers): New.
        (growth_likely_positive): Handle aliases correctly.

2015-02-14  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-chkp.c: Use iterate_direct_aliases.
        * symtab.c (resolution_used_from_other_file_p): Move inline.
        (symtab_node::create_reference): Fix formating.
        (symtab_node::has_aliases_p): Move inline; use iterate_direct_aliases.
        (symtab_node::iterate_reference): Move inline.
        (symtab_node::iterate_referring): Move inline.
        (symtab_node::iterate_direct_aliases): Move inline.
        (symtab_node::used_from_object_file_p_worker): Inline into ...
        (symtab_node::used_from_object_file_p): ... this one; move inline.
        (symtab_node::call_for_symbol_and_aliases): Move inline;
        use iterate_direct_aliases.
        (symtab_node::call_for_symbol_and_aliases_1): New method.
        (cgraph_node::call_for_symbol_and_aliases): Move inline;
        use iterate_direct_aliases.
        (cgraph_node::call_for_symbol_and_aliases_1): New method.
        (varpool_node::call_for_node_and_aliases): Rename to ...
        (varpool_node::call_for_symbol_and_aliases): ... this one; Move inline;
        use iterate_direct_aliases.
        (varpool_node::call_for_symbol_and_aliases_1): New method.
        * ipa.c (ipa_single_use): Use iterate_direct_aliases.
        (ipa_discover_readonly_nonaddressable_var): Update.
        * ipa-devirt.c: Fix formating.
        * cgraph.c (cgraph_node::can_remove_if_no_direct_calls_and_refs_p):
        Move inline.
        (cgraph_node::call_for_symbol_and_aliases): Move inline.
        (cgraph_node::call_for_symbol_and_aliases_1): New function..
        * cgraph.h (used_from_object_file_p_worker): Remove.
        (resolution_used_from_other_file_p): Move inline.
        (symtab_node::has_aliases_p): Move inline; use iterate_direct_aliases.
        (symtab_node::iterate_reference): Move inline.
        (symtab_node::iterate_referring): Move inline.
        (symtab_node::iterate_direct_aliases): Move inline.
        (symtab_node::used_from_object_file_p_worker): Inline into ...
        (symtab_node::used_from_object_file_p): Move inline.
        * tree-emutls.c (ipa_lower_emutls): Update.
        * varpool.c (varpool_node::call_for_symbol_and_aliases_1): New method.
        (varpool_node::call_for_node_and_aliases): Remove.

2015-02-14  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/62209
        * tree-ssa-reassoc.c (update_range_test): If stmt is a PHI and
        op == range->exp, insert seq and gimplified code after labels
        instead of after the phi.

2015-02-13  Jeff Law  <law@redhat.com>

        PR bootstrap/65060
        Revert my change for tree-optimization/64823.

2015-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/65053
        * tree-ssa-phiopt.c (value_replacement): When moving assign before
        cond, either reset VR on lhs or set it to phi result VR.

2015-02-13  Jeff Law  <law@redhat.com>

        PR tree-optimization/64823
        * tree-vrp.c (identify_jump_threads): Handle blocks with no statements.
        * tree-ssa-threadedge.c (potentially_threadable_block): Allow
        threading through blocks with PHIs, but no statements.
        (thread_through_normal_block): Distinguish between blocks where
        we did not process all the statements and blocks with no statements.

        PR rtl-optimization/47477
        * match.pd (convert (plus/minus (convert @0) (convert @1): New
        simplifier to narrow arithmetic.

2015-02-13  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65028
        * ipa-prop.c (update_indirect_edges_after_inlining): Do not drop
        polymorphic call info when type is not known to be preserved.

2015-02-13  Maritn Jambor  <mjambor@suse.cz>

        PR ipa/65028
        * ipa-inline-transform.c (mark_all_inlined_calls_cdtor): New function.
        (inline_call): Use it.

2015-02-13  Thomas Schwinge  <thomas@codesourcery.com>

        * config/nvptx/offload.h (ACCEL_COMPILER_acc_device): Define to
        GOMP_DEVICE_NVIDIA_PTX.

2015-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/65034
        * stmt.c (emit_case_nodes): Use void_type_node instead of
        NULL_TREE as LABEL_DECL type.

2015-02-13  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/constraints.md: Change "Q" and "T" constraints to memory
        constraints.
        * config/pa/pa.c (pa_cannot_force_const_mem): Don't allow constant
        symbolic references to data to be forced to constant memory on the
        SOM target.

2015-02-13  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR tree-optimization/65002
        * tree-cfg.c (pass_data_fixup_cfg): Don't update
        SSA on start.
        * tree-sra.c (some_callers_have_no_vuse_p): New.
        (ipa_early_sra): Reject functions whose callers
        assume function is read only.

2015-02-13  Richard Biener  <rguenther@suse.de>

        PR lto/65015
        * dwarf2out.c (dwarf2out_finish): Use <artificial> as DW_AT_name
        for LTO produced CUs.

2015-02-13  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/64705
        * tree-ssa-loop-niter.h (expand_simple_operations): New parameter.
        * tree-ssa-loop-niter.c (expand_simple_operations): New parameter.
        * tree-ssa-loop-ivopts.c (extract_single_var_from_expr): New.
        (find_bivs, find_givs_in_stmt_scev): Pass new argument to
        expand_simple_operations.

2015-02-13  H.J. Lu  <hongjiu.lu@intel.com>
            Richard Henderson  <rth@redhat.com>

        PR rtl/32219
        * cgraphunit.c (cgraph_node::finalize_function): Set definition
        before notice_global_symbol.
        (varpool_node::finalize_decl): Likewise.
        * varasm.c (default_binds_local_p_2): Rename from
        default_binds_local_p_1, add weak_dominate argument.  Use direct
        returns instead of assigning to local variable.  Unify varpool and
        cgraph paths via symtab_node.  Reject undef weak variables before
        testing visibility.  Reorder tests for simplicity.
        (default_binds_local_p): Use default_binds_local_p_2.
        (default_binds_local_p_1): Likewise.
        (decl_binds_to_current_def_p): Unify varpool and cgraph paths
        via symtab_node.
        (default_elf_asm_output_external): Emit visibility when specified.

2015-02-13  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_epilogue): Fix typo in
        code setting up r11 for out-of-line fp restore.

2015-02-13  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/visium.opt (msv-mode): Add RejectNegative and Report.
        (muser-mode): Likewise.

2015-02-13  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_epilogue): Use addsi3_carry
        or adddi3_carry when restoring frame_reg_rtx from r0 after restvr.

2015-02-12  David Howells  <dhowells@redhat.com>

        * tree-sra.c (dump_dereferences_table): Avoid -Wformat-security
        warning.
        * tree-ssa-uninit.c (dump_predicates): Likewise.
        * opts.c (print_filtered_help): Likewise.

2015-02-12  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (output_die): Use "%s", name instead of name to
        avoid -Wformat-security warning.

        * dwarf2asm.c (dw2_asm_output_vms_delta): Only define
        if ASM_OUTPUT_DWARF_VMS_DELTA is defined.
        * dwarf2out.c (output_die): Use dw2_asm_output_vms_delta
        only if ASM_OUTPUT_DWARF_VMS_DELTA is defined.

2015-02-12  Jason Merrill  <jason@redhat.com>

        * common.opt (-flifetime-dse): New.

2015-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/65019
        * ubsan.c (ubsan_expand_objsize_ifn): Always return true.

        PR tree-optimization/65014
        * fold-const.c (fold_binary_loc): When creating {L,R}ROTATE_EXPR,
        use original second operand of arg0 or arg1 instead of
        that adjusted by STRIP_NOPS.

2015-02-11  Jeff Law  <law@redhat.com>

        PR target/63347
        * haifa-sched.c (prune_ready_list): If we have a SCHED_GROUP_P insn
        that needs to be queued, just queue it for a single cycle.

2015-02-11  Jan Hubicka  <hubicka@ucw.cz>

        * ipa.c (symbol_table::remove_unreachable_nodes): Avoid releasing
        bodies of thunks; comment on why.
        * symtab.c (symtab_node::get_partitioning_class): Aliases of extern
        symbols are extern.

2015-02-11  Richard Henderson  <rth@redhat.com>

        PR sanitize/65000
        * tree-eh.c (mark_reachable_handlers): Mark source and destination
        regions of __builtin_eh_copy_values.

2015-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/65003
        * varasm.c (place_block_symbol): Assert that DECL_RTL of the
        ultimate alias is MEM with SYMBOL_REF satisfying
        SYMBOL_REF_HAS_BLOCK_INFO_P as its operand.  Don't pass the MEM
        to place_block_symbol, but instead pass the SYMBOL_REF operand of it.

2015-02-11  Thomas Schwinge  <thomas@codesourcery.com>

        * config/nvptx/mkoffload.c: Include "diagnostic.h" instead of
        "diagnostic-core.h".
        (main): Initialize progname, and call diagnostic_initialize.

        * config/nvptx/mkoffload.c (process): Refer to __OFFLOAD_TABLE__
        instead of __OPENMP_TARGET__.

        * config/nvptx/mkoffload.c: Include "gomp-constants.h".
        (process): Use its GOMP_DEVICE_NVIDIA_PTX instead of (wrongly)
        hard-coding PTX_ID.

2015-02-11  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/sourcebuild.texi (pie_enabled): Document.

2015-02-11  Martin Liska  <mliska@suse.cz>

        PR ipa/64813
        * cgraphunit.c (cgraph_node::expand_thunk): Do not create
        a return value for call to a function that is noreturn.

2015-02-11  Richard Biener  <rguenther@suse.de>

        PR lto/65015
        * dwarf2out.c (gen_producer_string): Drop -fltrans-output-list
        and -fresolution.

2015-02-11  Andrew Pinski  <apinski@cavium.com>

        PR target/64893
        * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
        Change the first argument type to size_type_node and add another
        size_type_node.
        (aarch64_simd_expand_builtin): Handle the new argument to
        AARCH64_SIMD_BUILTIN_LANE_CHECK and don't ICE but rather
        print an out when the first two arguments are not
        nonzero integer constants.
        * config/aarch64/arm_neon.h (__AARCH64_LANE_CHECK):
        Pass the sizeof directly to __builtin_aarch64_im_lane_boundsi.

2015-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/61925
        * config/i386/i386.c (ix86_reset_to_default_globals): Removed.
        (ix86_reset_previous_fndecl): Restore it here, unconditionally.
        (ix86_set_current_function): Rewritten.
        (ix86_add_new_builtins): Temporarily clear current_target_pragma
        when creating builtin fndecls.

2015-02-10  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/65005
        * ipa-visibility.c (cgraph_node::non_local_p): Turn into static
        function.
        * symtab.c (symtab_node::verify_base): Remove check that non-definitions
        have no comdat group.
        * lto-cgraph.c (lto_output_node): Always output thunk and alias info.
        (lto_output_varpool_node): Always output alias info.
        (output_refs): Output refs of boundary aliases, too.
        (compute_ltrans_boundary): Add alias and thunk target into boundaries.
        (output_symtab): Output call eges in thunks in boundary.
        (get_alias_symbol): Remove.
        (input_node, input_varpool_node): Do not special case weakrefs.
        * ipa.c (symbol_table::remove_unreachable_nodes): Do not remove
        alias and thunks targets in the boundary; do not take removed symbols
        from their comdat groups.
        * cgraph.c (cgraph_node::local_info): Look through aliases and thunks.
        (cgraph_node::global_info): Remove.
        (cgraph_node::rtl_info): Look through aliases and thunks.
        * cgrpah.h (global_info): Remove.
        (non_local_p): Remove.

2015-02-10  David Wohlferd  <dw@LimeGreenSocks.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (x86 Options [-masm=dialect]): Add cross-references
        to inline asm.  List dialects in proper order.

2015-02-10  David Wohlferd  <dw@LimeGreenSocks.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Loop-Specific Pragmas): Fix grammar error.

2015-02-10  David Wohlferd  <dw@LimeGreenSocks.com>

        * doc/extend.texi (Symbol-Renaming Pragmas): Restore (slightly
        modified) reference to Solaris.

2015-02-10  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Extended Asm): Fix typos.

2015-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/65004
        * ubsan.c (ubsan_expand_vptr_ifn): Always return true.

2015-02-10  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/64661
        * config/sh/sh-protos.h (TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
        TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
        TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): Add parentheses.
        * config/sh/constraints.md (Ara, Add): New constraints.
        * config/sh/sync.md (atomic_mem_operand_0, atomic_mem_operand_1): New
        predicates.
        (atomic_compare_and_swap<mode>, atomic_exchange<mode>): Use
        atomic_mem_operand_0.  Don't use force_reg on the memory address.
        (atomic_compare_and_swapsi_hard): Use atomic_mem_operand_0 predicate and
        Sra constraint.  Convert to insn_and_split.  Add workaround for
        PR 64974.
        (atomic_compare_and_swap<mode>_hard): Copy to
        atomic_compare_and_swap<mode>_hard_1.  Convert to insn_and_split.
        Use atomic_mem_operand_0 predicate.
        (atomic_compare_and_swap<mode>_soft_gusa,
        atomic_exchange<mode>_soft_gusa): Use atomic_mem_operand_0 predicate and
        AraAdd constraints.
        (atomic_compare_and_swap<mode>_soft_tcb,
        atomic_compare_and_swap<mode>_soft_imask,
        atomic_exchange<mode>_soft_tcb, atomic_exchange<mode>_soft_imask): Use
        atomic_mem_operand_0 predicate and SraSdd constraints.
        (atomic_exchangesi_hard) Use atomic_mem_operand_0 predicate and Sra
        constraint.
        (atomic_exchange<mode>_hard): Copy to atomic_exchange<mode>_hard_1.
        Convert to insn_and_split.  Use atomic_mem_operand_0 predicate.
        (atomic_fetch_<fetchop_name><mode>, atomic_fetch_nand<mode>,
        atomic_<fetchop_name>_fetch<mode>): Use atomic_mem_operand_1.  Don't use
        force_reg on the memory address.
        (atomic_fetch_<fetchop_name>si_hard, atomic_fetch_notsi_hard,
        atomic_fetch_nandsi_hard, atomic_<fetchop_name>_fetchsi_hard,
        atomic_not_fetchsi_hard, atomic_nand_fetchsi_hard): Use
        atomic_mem_operand_1 predicate and Sra constraint.
        (atomic_fetch_<fetchop_name><mode>_hard): Copy to
        atomic_fetch_<fetchop_name><mode>_hard_1.  Convert to insn_and_split.
        Use atomic_mem_operand_1 predicate.
        (atomic_<fetchop_name><mode>_hard): Copy to
        atomic_<fetchop_name><mode>_hard_1.  Convert to insn_and_split.
        Use atomic_mem_operand_1 predicate.
        (atomic_fetch_nand<mode>_hard): Copy to atomic_fetch_nand<mode>_hard_1.
        Convert to insn_and_split.  Use atomic_mem_operand_1 predicate.
        (atomic_nand<mode>_hard): Copy to atomic_nand<mode>_hard_1.  Convert to
        insn_and_split.  Use atomic_mem_operand_1 predicate.
        (atomic_<fetchop_name>_fetch<mode>_hard): Copy to
        atomic_<fetchop_name>_fetch<mode>_hard_1.  Convert to insn_and_split.
        Use atomic_mem_operand_1 predicate.
        (atomic_nand_fetch<mode>_hard): Copy to atomic_nand_fetch<mode>_hard_1.
        Convert to insn_and_split.  Use atomic_mem_operand_1 predicate.
        (atomic_fetch_not<mode>_hard, atomic_not_fetch<mode>_hard): Replace mems
        in generated insn with original mem operand before emitting the insn.
        (atomic_fetch_<fetchop_name><mode>_soft_gusa,
        atomic_fetch_not<mode>_soft_gusa, atomic_fetch_nand<mode>_soft_gusa,
        atomic_<fetchop_name>_fetch<mode>_soft_gusa,
        atomic_not_fetch<mode>_soft_gusa, atomic_nand_fetch<mode>_soft_gusa):
        Use atomic_mem_operand_1 predicate and AraAdd constraints.
        (atomic_fetch_<fetchop_name><mode>_soft_tcb,
        atomic_<fetchop_name><mode>_soft_tcb, atomic_fetch_not<mode>_soft_tcb,
        atomic_not<mode>_soft_tcb, atomic_fetch_<fetchop_name><mode>_soft_imask,
        atomic_fetch_not<mode>_soft_imask, atomic_fetch_nand<mode>_soft_tcb,
        atomic_nand<mode>_soft_tcb, atomic_fetch_nand<mode>_soft_imask,
        atomic_<fetchop_name>_fetch<mode>_soft_tcb,
        atomic_not_fetch<mode>_soft_tcb,
        atomic_<fetchop_name>_fetch<mode>_soft_imask,
        atomic_not_fetch<mode>_soft_imask, atomic_nand_fetch<mode>,
        atomic_nand_fetch<mode>_soft_tcb, atomic_nand_fetch<mode>_soft_imask):
        Use atomic_mem_operand_1 predicate and SraSdd constraints.

2015-02-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (reload_out<mode>_aligned): Make operands 2
        and 3 earlyclobber operands.

2015-02-10  Jan Hubicka  <hubicka@ucw.cz>

        * common.opt (fstack-reuse): Mark as optimization.

2015-02-10  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64982
        * cgraphunit.c (cgraph_node::expand_thunk): Look for stdarg thunks.

2015-02-10  Trevor Saunders  <tsaunders@mozilla.com>

        PR tree-optimization/64326
        * cfghooks.c (make_forwarder_block): Cap frequency of created block.

2015-02-10  Rainer Emrich  <rainer@emrich-ebersheim.de>

        PR gcov-profile/61889
        * gcov-tool.c: Remove wrong #if !defined(_WIN32)

2015-02-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64995
        * tree-ssa-sccvn.c (set_ssa_val_to): Assert that the
        value we use is final.
        (visit_reference_op_store): Always valueize op.
        (visit_use): Properly valueize vuses.

2015-02-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64909
        * tree-vect-loop.c (vect_estimate_min_profitable_iters): Properly
        pass a scalar-stmt count estimate to the cost model.
        * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Likewise.

2015-02-10  Alexander Monakov  <amonakov@ispras.ru>

        * doc/invoke.texi (-fvar-tracking-assignments): Clarify that VTA is
        enabled by default together with var-tracking.

2015-02-10  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c: Remove DIV attribute code accidentally
        included in previous rl78 commit.

2015-02-10  Richard Biener  <rguenther@suse.de>

        * tree-streamer.h (streamer_read_tree_bitfields): Adjust.
        * tree-streamer-in.c (streamer_read_tree_bitfields): Do not
        return the bitpack.

2015-02-09  Trevor Saunders  <tsaunders@mozilla.com>

        PR gcov-profile/61889
        * config.in: regenerate.
        * configure.in: Likewise.
        * configure.ac: Check for ftw.h.
        * gcov-tool.c: Check for ftw.h before using nftw.

2015-02-09  Trevor Saunders  <tsaunders@mozilla.com>

        PR lto/64076
        * ipa-visibility.c (update_visibility_by_resolution_info): Only
        assert when not in lto mode.

2015-02-09  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>

        * ira-color.c (setup_left_conflict_sizes_p): Simplify
        initialization/assignment of conflict_size.

2015-02-09  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64978
        * ipa-cp.c (gather_caller_stats): Skip thunks.
        (propagate_constants_topo): Skip aliases.

2015-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/64761
        * config/sh/sh.c (sh_option_override): Don't change
        -freorder-blocks-and-partition to -freorder-blocks even when
        unwinding is enabled.
        (sh_can_follow_jump): Return false if the followee jump is
        a crossing jump when -freorder-blocks-and-partition is specified.
        * config/sh/sh.md (*jump_compact_crossing): New insn.

2015-02-09  Joern Rennecke  <joern.rennecke@embecosm.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/64761
        * config/sh/sh-protos.h (sh_can_redirect_branch): Don't declare.
        * config/sh/sh.c (TARGET_CAN_FOLLOW_JUMP): Redefine.
        (sh_can_redirect_branch): Rename to ...
        (sh_can_follow_jump): ... this.  Constify argument types.
        * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): Don't define.
        * doc/tm.texi.in (MD_CAN_REDIRECT_BRANCH): Remove documentation.
        * reorg.c (steal_delay_list_from_target): Use targetm.can_follow_jump.
        * doc/tm.texi: Regenerate.

2015-02-09  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/64981
        * builtins.c (expand_builtin): Call targetm.expand_builtin
        for BUILT_IN_MD builtins regardless of asan_intercepted_p.

2015-02-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61548
        * tree-emutls.c (ipa_lower_emutls): Avoid duplicates in TLS_VARS.

2015-02-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/63566
        * ipa-icf.c (set_local): New function.
        (sem_function::merge): Use it.

2015-02-08  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (odr_types_equivalent_p): Fix formating.
        (add_type_duplicate): Fix comparison of BINFOs.

2015-02-08  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-polymorphic-call.c (ipa_polymorphic_call_context): Avoid ICE
        on getting VOID pointer.

2015-02-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/64979
        * tree-stdarg.c (pass_stdarg::execute): Scan phi node args for
        va_list escapes.

2015-02-09  Richard Biener  <rguenther@suse.de>

        * genmatch.c (replace_id): Copy expr_type.

2015-02-09  Richard Biener  <rguenther@suse.de>

        * tree-streamer.h (streamer_pack_tree_bitfields): Remove.
        (streamer_write_tree_bitfields): Declare.
        * tree-streamer-in.c (unpack_ts_base_value_fields): Inline,
        properly unpack padding.
        (unpack_value_fields): Inline ...
        (streamer_read_tree_bitfields): ... here.
        * tree-streamer-out.c (pack_ts_base_value_fields): Inline
        and properly add padding bits.
        (streamer_pack_tree_bitfields): Fold into ...
        (streamer_write_tree_bitfields): ... this new function,
        exposing the bitpack object.
        * lto-streamer-out.c (lto_write_tree_1): Call
        streamer_write_tree_bitfields.

2015-02-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/54000
        * tree-ssa-looo-ivopts.c: Include tree-vectorizer.h.
        (struct ivopts_data): Add loop_loc member.
        (tree_ssa_iv_optimize_loop): Dump loop location.
        (create_new_ivs): Likewise, also dump number of IVs generated.

2015-02-09  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sem_item_optimizer::register_hooks): Register hooks
        just if not yet registered.
        (ipa_icf_generate_summary): Register callgraph hooks.

2015-02-08  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64.c (gty_dummy): Delete.

2015-02-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/63566
        * ipa-visibility.c (cgraph_node::non_local_p): Accept aliases.
        (cgraph_node::local_p): Remove thunk related FIXME.

2015-02-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/63566
        * i386.c (ix86_function_regparm): Look through aliases to see if callee
        is local and optimized.
        (ix86_function_sseregparm): Likewise; also use target's SSE math
        settings; error out instead of silently generating wrong code
        on mismatches.
        (init_cumulative_args): Look through aliases.

2015-02-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/63566
        * ipa-split.c (execute_split_functions): Split if function has aliases.

2015-02-08  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/63566
        * cgraphunit.c (cgraph_node::analyze): Be sure target of thunk is
        aliases before trying to expand it.
        (cgraph_node::expand_thunk): Fix formating.

2015-02-07  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Function Attributes [naked]): Copy-edit.
        (Using Assembly Language with C): Expand introduction.
        (Basic Asm): Copy-edit.  Add more information about uses of
        basic asm.
        (Extended Asm): Copy-edit.  Document new escape syntax and
        %l[label] syntax.
        (Global Reg Vars): Copy-edit.
        (Local Reg Vars): Likewise.

2015-02-06  David Edelsohn  <dje.gcc@gmail.com>

        PR debug/2714
        PR bootstrap/64256
        * xcoffout.h (DBX_CONTIN_LENGTH): Define as 16384.
        (DBX_CONTIN_CHAR): Define.

2015-02-06  Sebastian Pop  <s.pop@samsung.com>
            Brian Rzycki  <b.rzycki@samsung.com>

        PR tree-optimization/64878
        * tree-ssa-threadedge.c: Include tree-ssa-loop.h.
        (fsm_find_control_statement_thread_paths): Add parameter seen_loop_phi.
        Stop recursion at loop phi nodes after having visited a loop phi node.

2015-02-06  Jakub Jelinek  <jakub@redhat.com>

        * toplev.c (process_options): Change flag_ipa_ra before creating
        optimization_{default,current}_node.

        PR ipa/64896
        * cgraphunit.c (cgraph_node::expand_thunk): If
        restype is not is_gimple_reg_type nor the thunk_fndecl
        returns aggregate_value_p, set restmp to a temporary variable
        instead of resdecl.

2015-02-06  Vladimir Makarov  <vmakarov@redhat.com>

        * lra.c (lra_emit_add): Fix a typo in using disp instead of base.

2015-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/64205
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Do not
        add a general secondary reload handler for SDmode, unless we have
        both read/write support for SDmode.

2015-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/64937
        * dwarf2out.c (set_block_abstract_flags, set_decl_abstract_flags):
        Replace setting argument with abstract_vec, always set BLOCK_ABSTRACT
        or DECL_ABSTRACT_P flags to 1 rather than to setting, and if it wasn't
        1 before, push it to abstract_vec.
        (dwarf2out_abstract_function): Adjust caller.  Don't call
        set_decl_abstract_flags second time, instead clear BLOCK_ABSTRACT or
        DECL_ABSTRACT_P flags for all abstract_vec elts.

2015-02-06  Renlin Li  <renlin.li@arm.com>

        * tree-ssa-forwprop.c (execute): Keep location info while rewrite
        complex gimple.
        * tree-ssa.c (execute_update_addresses_taken): Likewise.

2015-02-06  Jeff Law  <law@redhat.com>

        PR target/64889
        * config/h8300/h8300.c (push): New argument "in_prologue".
        Pass "in_prologue" along to "F".
        (h8300_push_pop): Corresponding changes.
        (h8300_expand_prologue): Likewise.
        (h8300_swap_into_er6): Likewise.  Do not set RTX_FRAME_RELATED_P.

2015-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/64957
        PR debug/64817
        * simplify-rtx.c (simplify_binary_operation_1): Use ~cval for
        IOR rather than for AND.

2015-02-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/62631
        * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Use the mininum of costs
        of shift-add and (add + shift) operations.  Rename local variable.

2015-02-05  Jeff Law  <law@redhat.com>

        PR target/17306
        * config/h8300/constraints.md (U): Correctly dectect
        "eightbit_data" memory addresses.
        * config/h8300/h8300.c (eightbit_constant_address_p): Also
        handle (const (plus (symbol_ref (x)))) where x is declared
        as an 8-bit data memory address.
        * config/h8300/h8300.md (call, call_value): Correctly detect
        "funcvec" functions.

        PR target/43264
        * config/h8300/h8300.c (get_shift_alg): Fix ASHIFTRT by
        24 to 28 bits for the H8/300.

2015-02-06  Alan Modra  <amodra@gmail.com>

        PR target/64876
        * config/rs6000/rs6000.c (chain_already_loaded): New function.
        (rs6000_call_aix): Use it.

2015-02-05  Jan Hubicka <hubicka@ucw.cz>

        * ipa-cp.c (ipa_value_from_jfunc, ipa_context_from_jfunc): Add bounds
        check.

2015-02-05  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/h8300/constraints.md ("U" constraint): Use strict
        variant of REG_OK_FOR_BASE_P after reload has started.

2015-02-04  Mantas Mikaitis  <mantas.mikaitis@arm.com>

        * config/arm/arm.h (TARGET_NEON_FP): Removed conditional definition,
        define to zero if !TARGET_NEON.
        (TARGET_ARM_FP): Added !TARGET_SOFT_FLOAT into conditional definition.

2015-02-04  Jan Hubicka  <hubicka@ucw.cz>
            Trevor Saunders  <tsaunders@mozilla.com>

        PR ipa/61548
        * tree-emultls.c (new_emutls_decl): Resolve alias after creating it.

2015-02-04  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61548
        * ipa.c (symbol_table::remove_unreachable_nodes): Fix ordering issue
        when removing varpool nodes.

2015-02-04  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/61548
        * varpool.c (varpool_node::remove): Fix order of variables.

2015-02-04  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64686
        * ipa-inline.c (inline_small_functions): Fix ordering issue between
        speculation resolution and key updates.

2015-02-04  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-prop.c (update_indirect_edges_after_inlining): By more careful
        about not letting any speculative edges unupdated.

2015-02-04  Jan Hubicka  <hubicka@ucw.cz>

        PR gcov/64123
        * gcov-io.c (gcov_var): Export.

2015-02-04  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/64922
        * ipa-prop.c (update_indirect_edges_after_inlining): Correctly update
        edges that become speculative.

2015-02-04  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (is_fortran): Also return true for DW_LANG_Fortran03
        or DW_LANG_Fortran08.
        (lower_bound_default): Return 1 for DW_LANG_Fortran03 or
        DW_LANG_Fortran08.
        (gen_compile_unit_die): Handle "GNU Fortran2003" and
        "GNU Fortran2008" language strings.
        * dbxout.c (get_lang_number): Use lang_GNU_Fortran.
        * langhooks.h (lang_GNU_Fortran): New prototype.
        * langhooks.c (lang_GNU_Fortran): New function.
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
        lang_GNU_Fortran.

2015-02-04  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (RTX_OK_FOR_OFFSET_P): Fix off-by-one error.
        (RTX_OK_FOR_OLO10_P): Likewise.

2015-02-04  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-loop-ivopts.c (get_address_cost): Use right mode for offset.

2015-02-04  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/64922
        * gimple.c: Include gimple-ssa.h.
        (maybe_remove_unused_call_args): New function.
        * gimple.h (maybe_remove_unused_call_args): Declare.
        * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): Likewise.
        * gimple-fold.c (gimple_fold_call): Likewise.

2015-02-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/64905
        * lra-eliminations.c (setup_can_eliminate): Clear hard frame
        pointer alignment if it isn't needed.

2015-02-04  Matthew Wahab  <matthew.wahab@arm.com>

        * config/aarch64/aarch64-cores.def: Add cortex-a72 and
        cortex-a72.cortex-a53.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi (AArch64 Options/-mtune): Add "cortex-a72".

2015-02-04  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_note_reg_set): Note the use of REGs
        inside a MEM.

2015-02-04  Jakub Jelinek  <jakub@redhat.com>

        * builtins.def (DEF_BUILTIN_CHKP): Define if not defined.
        (DEF_LIB_BUILTIN_CHKP, DEF_EXT_LIB_BUILTIN_CHKP): Redefine.
        (DEF_CHKP_BUILTIN): Define using DEF_BUILTIN_CHKP instead
        of DEF_BUILTIN.
        (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET, BUILT_IN_STRCAT,
        BUILT_IN_STRCHR, BUILT_IN_STRCPY, BUILT_IN_STRLEN): Use
        DEF_LIB_BUILTIN_CHKP macro instead of DEF_LIB_BUILTIN.
        (BUILT_IN_MEMCPY_CHK, BUILT_IN_MEMMOVE_CHK, BUILT_IN_MEMPCPY_CHK,
        BUILT_IN_MEMPCPY, BUILT_IN_MEMSET_CHK, BUILT_IN_STPCPY_CHK,
        BUILT_IN_STPCPY, BUILT_IN_STRCAT_CHK, BUILT_IN_STRCPY_CHK): Use
        DEF_EXT_LIB_BUILTIN_CHKP macro instead of DEF_EXT_LIB_BUILTIN.
        * tree-core.h (enum built_in_function): In between
        BEGIN_CHKP_BUILTINS and END_CHKP_BUILTINS only define enum values
        for builtins that use DEF_BUILTIN_CHKP macro.

2015-02-04  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/64817
        * cfgexpand.c (expand_debug_expr): Compute unsignedp from
        operands for tcc_comparison exprs.  Fix typos.

        PR debug/64817
        * simplify-rtx.c (simplify_binary_operation_1): Simplify one
        of two XORs that have an intervening AND or IOR.

        PR debug/64817
        * simplify-rtx.c (simplify_binary_operation_1): Rewrite
        simplification of XOR of AND to not allocate new rtx before
        committing to a simplification.

2015-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-ldpstp.md: Use std::swap instead of
        manual swaps in all peepholes.

2015-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_evpc_ext): Use std::swap instead
        of manual swapping implementation.
        (aarch64_expand_vec_perm_const_1): Likewise.

2015-02-04  James Greenhalgh <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c (NAMED_PARAM): Delete it.
        (generic_addrcost_table): Remove NAMED_PARAM.
        (cortexa57_addrcost_table): Likewise.
        (xgene1_addrcost_table): Likewise.
        (generic_regmove_table): Likewise.
        (cortexa53_regmove_table): Likewise.
        (xgene1_regmove_table): Likewise.
        (generic_vector_table): Likewise.
        (cortexa57_vector_table): Likewise.
        (xgene1_vector_table): Likewise.
        (generic_tunings): Likewise.
        (cortexa53_tunings): Likewise.
        (cortexa57_tunings): Likewise.
        (xgene1_tunings): Likewise.

2015-02-04  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm-cores.def: Add cortex-a72 and
        cortex-a72.cortex-a53.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Likewise.
        * config/arm/t-aprofile (MULTILIB_MATCHES): Likewise.
        * config/arm/arm-tune.md: Regenerate.
        * config/arm/arm-tables.opt: Add entries for "cortex-a72" and
        "cortex-a72.cortex-a53".
        * doc/invoke.texi (ARM Options/-mtune): Likewise.

2015-02-04  Nick Clifton  <nickc@redhat.com>

        PR target/64408
        * config/fr30/predicates.md (di_operand): Add SUBREG to the list
        of accepted codes.
        (nonimmediate_di_operand): Likewise.

        * config/msp430/msp430.c (msp430_use_f5_series_hwmult): Add more
        prefixes of known F5 using MSP430 MCUs.

2015-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-simd-builtins.def (sqrt): Use BUILTIN_VDQF_DF.
        * config/aarch64/arm_neon.h (vsqrt_f64): Use __builtin_aarch64_sqrtdf
        instead of __builtin_sqrt.

2015-02-04  Ilya Enkovich  <ilya.enkovich@intel.com>

        * varasm.c (do_assemble_alias): Follow transparent alias
        chain for target.
        (default_assemble_visibility): Follow transparent alias
        chain for decl name.

2015-02-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR middle-end/62103
        * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Use TYPE_PRECISION
        to compute size of referenced value in the constant case.

2015-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/64756
        * cse.c (invalidate_dest): New function.
        (cse_insn): Use it.  If dest != SET_DEST (sets[i].rtl) and
        HASH (SET_DEST (sets[i].rtl), mode) computation sets do_not_record,
        invalidate and do not record it.

2015-02-03  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/64660
        * config/sh/sync.md (atomic_<fetchop_name><mode>_hard,
        atomic_not<mode>_hard, atomic_<fetchop_name><mode>_soft_tcb,
        atomic_not<mode>_soft_tcb, atomic_nand<mode>_hard,
        atomic_nand<mode>_soft_tcb): New insns.
        (atomic_fetch_<fetchop_name>si_hard): Convert to insn_and_split.
        Split into atomic_<fetchop_name>_fetchsi_hard if operands[0] is unused.
        (define_insn "atomic_fetch_notsi_hard): Convert to insn_and_split.
        Split into atomic_not_fetchsi_hard if operands[0] is unused.
        (atomic_fetch_<fetchop_name><mode>_hard): Convert to insn_and_split.
        Split into atomic_<fetchop_name><mode>_hard if operands[0] is unused.
        (atomic_fetch_not<mode>_hard): Convert to insn_and_split.  Split into
        atomic_not<mode>_hard if operands[0] is unused.
        (atomic_fetch_<fetchop_name><mode>_soft_gusa): Convert to
        insn_and_split.  Split into atomic_<fetchop_name>_fetch<mode>_soft_gusa
        if operands[0] is unused.
        (atomic_fetch_not<mode>_soft_gusa): Convert to insn_and_split.  Split
        into atomic_not_fetch<mode>_soft_gusa if operands[0] is unused.
        (atomic_fetch_<fetchop_name><mode>_soft_tcb): Convert to insn_and_split.
        Split into atomic_<fetchop_name><mode>_soft_tcb if operands[0] is
        unused.
        (atomic_fetch_not<mode>_soft_tcb): Convert to insn_and_split.  Split
        into atomic_not<mode>_soft_tcb if operands[0] is unused.
        (atomic_fetch_<fetchop_name><mode>_soft_imask): Convert to
        insn_and_split.  Split into atomic_<fetchop_name>_fetch<mode>_soft_imask
        if operands[0] is unused.
        (atomic_fetch_not<mode>_soft_imask): Convert to insn_and_split.  Split
        into atomic_not_fetch<mode>_soft_imask is operands[0] is unused.
        (atomic_fetch_nandsi_hard): Convert to insn_and_split.  Split into
        atomic_nand_fetchsi_hard if operands[0] is unused.
        (atomic_fetch_nand<mode>_hard): Convert to insn_and_split.  Split into
        atomic_nand<mode>_hard if operands[0] is unused.
        (atomic_fetch_nand<mode>_soft_gusa): Convert to insn_and_split.  Split
        into atomic_nand_fetch<mode>_soft_gusa if operands[0] is unused.
        (atomic_fetch_nand<mode>_soft_tcb): Convert to insn_and_split.  Split
        into atomic_nand<mode>_soft_tcb if operands[0] is unused.
        (atomic_fetch_nand<mode>_soft_imask): Convert to insn_and_split.  Split
        into atomic_nand_fetch<mode>_soft_imask if operands[0] is unused.
        (atomic_<fetchop_name>_fetch<mode>_hard): Convert to insn_and_split.
        Split into atomic_<fetchop_name><mode>_hard if operands[0] is unused.
        (atomic_not_fetch<mode>_hard): Convert to insn_and_split.  Split into
        atomic_not<mode>_hard if operands[0] is unused.
        (atomic_<fetchop_name>_fetch<mode>_soft_tcb): Convert to insn_and_split.
        Split into atomic_<fetchop_name><mode>_soft_tcb if operands[0] is
        unused.
        (atomic_not_fetch<mode>_soft_tcb): Convert to insn_and_split.  Split
        into atomic_not<mode>_soft_tcb if operands[0] is unused.
        (atomic_nand_fetch<mode>_hard): Convert to insn_and_split.  Split into
        atomic_nand<mode>_hard if operands[0] is unused.
        (atomic_nand_fetch<mode>_soft_tcb): Convert to insn_and_split.  Split
        into atomic_nand<mode>_soft_tcb if operands[0] is unused.

2015-02-03  David Malcolm  <dmalcolm@redhat.com>

        PR jit/64810
        * Makefile.in (GCC_OBJS): Add gcc-main.o.
        * gcc-main.c: New file, containing "main" taken from gcc.c.
        * gcc.c (do_self_spec): Free decoded_options.
        (class driver): Move declaration to gcc.h.
        (main): Move declaration and implementation to new file
        gcc-main.c.
        (driver_get_configure_time_options): New function.
        * gcc.h (class driver): Move this declaration here, from
        gcc.c.
        (driver_get_configure_time_options): New declaration.

2015-02-03  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (simple_edge_hints): Fix check for
        cross-module inlining.
        * cgraph.h (cgraph_node): Add flag merged.
        * ipa-icf.c (sem_function::merge): Maintain it.

2015-02-03  Richard Sandiford  <richard.sandiford@arm.com>

        * config/arm/arm.c (thumb2_reorg): Test UNARY_P and BINARY_P
        instead of OBJECT_P.

2015-02-03  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/62631
        * config/sparc/sparc.h (TARGET_HARD_MUL): Remove TARGET_V8PLUS.
        (TARGET_HARD_MUL32): Rewrite based on TARGET_HARD_MUL.
        * config/sparc/sparc.c (sparc_rtx_costs) <MULT>: Return costs based on
        int_mulX for integers in 64-bit mode if TARGET_HARD_MUL is not set.

2015-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR other/63504
        * combine.c (reg_n_sets_max): New variable.
        (can_change_dest_mode, reg_nonzero_bits_for_combine,
        reg_num_sign_bit_copies_for_combine, get_last_value_validate,
        get_last_value): Use REG_N_SETS only on pseudos < reg_n_sets_max.
        (try_combine): Use INC_REG_N_SETS only on pseudos < reg_n_sets_max.
        (rest_of_handle_combine): Initialize reg_n_sets_max.

2015-02-02  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.c (early_inliner): Skip inlining only in always_inlined;
        if some always_inline was inlined, apply changes before inlining
        heuristically.

2015-02-02  David Malcolm  <dmalcolm@redhat.com>

        PR jit/64810
        * config/arm/arm.c (arm_option_override): Set
        arm_selected_arch/cpu/tune to NULL on entry.

2015-02-02  Tejas Belagod  <tejas.belagod@arm.com>
            Andrew Pinski  <pinskia@gcc.gnu.org>
            Jakub Jelinek  <jakub@gcc.gnu.org>

        PR target/64231
        * config/aarch64/aarch64.c (aarch64_classify_symbol): Fix large
        integer typing for small model. Use IN_RANGE.

2015-02-02  Richard Biener  <rguenther@suse.de>

        * tree-ssa-ccp.c (valueize_op_1): Always allow valueizing default-defs.
        * tree-vrp.c (vrp_valueize_1): Likewise.

2015-02-02  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_call_aix): Use unspec rather
        than mem for toc_restore.
        * config/rs6000/rs6000.md (UNSPEC_TOCSLOT): Define.
        (call_indirect_aix, call_value_indirect_aix): Adjust to suit.
        (call_indirect_elfv2, call_value_indirect_elfv2): Likewise.

2015-02-01  David Edelsohn  <dje.gcc@gmail.com>

        PR target/64047
        * config/rs6000/rs6000.c (rs6000_set_current_function): Handle
        explicit default options.

2015-02-01  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64872
        * ipa-utils.c (ipa_merge_profiles): Add release argument.
        * ipa-icf.c (sem_function::merge): Do not release body when merging.
        * ipa-utils.h (ipa_merge_profiles): Update prototype.

2015-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/64817
        * cfgexpand.c (deep_ter_debug_map): New variable.
        (avoid_deep_ter_for_debug): New function.
        (expand_debug_expr): If TERed SSA_NAME is in
        deep_ter_debug_map, use the corresponding DEBUG_EXPR_DECL
        instead of trying to expand SSA_NAME's def stmt.
        (expand_debug_locations): When expanding debug bind
        of a DEBUG_EXPR_DECL to corresponding SSA_NAME,
        temporarily remove the DEBUG_EXPR_DECL from deep_ter_debug_map's
        value.
        (pass_expand::execute): Call avoid_deep_ter_for_debug on
        all debug bind stmts.  Delete deep_ter_debug_map after
        expand_debug_location if non-NULL and clear it.

2015-02-01  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/64851
        * config/sh/sync.md (atomic_fetch_notsi_hard,
        atomic_fetch_not<mode>_hard, atomic_fetch_not<mode>_soft_gusa,
        atomic_fetch_not<mode>_soft_tcb, atomic_fetch_not<mode>_soft_imask,
        atomic_not_fetchsi_hard, atomic_not_fetch<mode>_hard,
        atomic_not_fetch<mode>_soft_gusa, atomic_not_fetch<mode>_soft_tcb,
        atomic_not_fetch<mode>_soft_imask): New insns.

2015-02-01  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * haifa-sched.c (INSN_RFS_DEBUG_ORIG_ORDER): New access macro.
        (rank_for_schedule_debug): Split from ...
        (rank_for_schedule): ... this.
        (ready_sort): Sort DEBUG_INSNs separately from normal INSNs.
        * sched-int.h (struct _haifa_insn_data): New field rfs_debug_orig_order.

2015-01-31  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/md.texi (Machine Constraints): Alphabetize table by target.
        * doc/extend.texi (x86 Variable Attributes): Move section to
        correct alphabetization after renaming.
        (x86 Type Attributes): Likewise.
        (Target Builtins): Re-alphabetize menu.
        (x86 Built-in Functions): Move section to correct alphabetization
        after renaming.
        (x86 transactional memory intrinsics): Likewise.
        * doc/invoke.texi (Option Summary): Re-alphabetize x86 Options
        and x86 Windows Options in table and menu.
        (x86 Options): Move section to correct alphabetization after
        renaming.
        (x86 Windows Options): Likewise.

2015-01-31  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi: Use "x86", "x86-32", and "x86-64" as the
        preferred names of the architecture and its 32- and 64-bit
        variants.
        * doc/invoke.texi: Likewise.
        * doc/md.texi: Likewise.

2015-01-31  Uros Bizjak  <ubizjak@gmail.com>

        PR target/64882
        * config/i386/predicates.md (address_no_seg_operand): Reject
        non-CONST_INT_P operands in invalid mode.

2015-01-31  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*prefetch_prefetchw1): Remove mode of
        address_operand 0.  Rename from *prefetch_prefetchwt1_<mode>.
        * config/i386/predicates.md (address_no_seg_operand): Call
        address_operand with VOIDmode.
        (vsib_address_operand): Ditto.
        (address_mpx_no_base_operand): Ditto.
        (address_mpx_no_index_operand): Ditto.

2015-01-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/64688
        * lra-constraints.c (original_subreg_reg_mode): New.
        (simplify_operand_subreg): Try to simplify subreg of const.  Use
        original_subreg_reg_mode for it.
        (swap_operands): Update original_subreg_reg_mode.
        (curr_insn_transform): Set up original_subreg_reg_mode.

2015-01-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/64617
        * lra-constraints.c (prohibited_class_reg_set_mode_p): New
        function.
        (process_alt_operands): Use it.
        (curr_insn_transform): Check the optional reload pseudo class is
        ok for the mode.

2015-01-30  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c (fatal_error (const char *, ...)): Remove function.
        * diagnostic-core.h (fatal_error (const char *, ...)): Remove
        prototype.
        * toplev.h (init_asm_output): Update comment on use of
        UNKNOWN_LOCATION with fatal_error.
        * cgraph.c, collect-utils.c, collect2.c, config/arc/arc.c,
        config/arc/arc.md, config/avr/avr.c, config/c6x/c6x.h,
        config/darwin.c, config/host-darwin.c, config/i386/host-cygwin.c,
        config/i386/intelmic-mkoffload.c, config/nios2/nios2.c,
        config/nvptx/mkoffload.c, config/nvptx/nvptx.h,
        config/rs6000/host-darwin.c, config/rs6000/rs6000.c,
        config/s390/s390.c, gcc.c, gcov-io.h, gcov-tool.c, ggc-common.c,
        ggc-page.c, graph.c, ipa-inline-analysis.c, ipa-reference.c,
        lto-cgraph.c, lto-section-in.c, lto-streamer-in.c, lto-streamer.c,
        lto-wrapper.c, objc/objc-act.c, opts.c, passes.c, plugin.c,
        tlink.c, toplev.c, tree-streamer-in.c, varpool.c: All callers of
        fatal_error changed to pass input_location as first argument.

2015-01-30  Martin Liska  <mliska@suse.cz>

        * tree.h: Change GCC_VERSION >= 4004 to GCC_VERSION >= 4006
        in #pragma GCC diagnostic guards.

2015-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64829
        * tree-vect-patterns.c (vect_handle_widen_op_by_const): Do
        not add a widening conversion pattern but hand off extra
        widenings to callers.
        (vect_recog_widen_mult_pattern): Handle extra widening produced
        by vect_handle_widen_op_by_const.
        (vect_recog_widen_shift_pattern): Likewise.
        (vect_pattern_recog_1): Remove excess vertical space in dumping.
        * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
        (vect_init_vector_1): Likewise.
        (vect_get_vec_def_for_operand): Likewise.
        (vect_finish_stmt_generation): Likewise.
        (vectorizable_load): Likewise.
        (vect_analyze_stmt): Likewise.
        (vect_is_simple_use): Likewise.

2015-01-29  Jeff Law  <law@redhat.com>

        * combine.c (try_combine): Fix typo in comment.

2015-01-29  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/64580
        * config.rs6000/rs6000.c (compute_vrsave_mask): Reverse loop order.
        (rs6000_stack_info): Add assert.
        (rs6000_output_savres_externs): New function, split off from...
        (rs6000_output_function_prologue): ... here.  Do not call it for
        thunks.

2015-01-29  Jeff Law  <law@redhat.com>

        PR target/15184
        * combine.c (try_combine): If I0 is a memory load and I3 a store
        to a related address, increase the "goodness" of doing a 4-insn
        combination with I0-I3.
        (make_field_assignment): Handle SUBREGs in the ior+and case.

2015-01-29  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR tree-optimization/64746
        * tree-if-conv.c (mask_exists): New function.
        (predicate_mem_writes): Save created mask with given size for further
        use.
        (stmt_is_root_of_bool_pattern): Remove argument VAR and store to it.
        (ifcvt_repair_bool_pattern): Collect all statements that are root
        of bool pattern and use iterative algorithm to remove multiple uses
        of predicates, display number of required iterations.

2015-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64853
        * tree-vrp.c (vrp_valueize_1): Do not return anything if the
        stmt will get simulated again.
        * tree-ssa-ccp.c (valueize_op_1): Likewise.

2015-01-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_emit_multi_reg_pop): Simplify definition of
        return_in_pc.  Remove redundant assignments.
        (thumb2_emit_ldrd_pop): Simplify definition of return_in_pc.
        (arm_expand_epilogue): Don't compare boolean with true in if condition.

2015-01-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_mode_after): Make static.

2015-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64844
        * tree-vect-loop.c (vect_estimate_min_profitable_iters): Always
        dump cost model analysis.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
        Do not register adjusted load/store costs here.

2015-01-29  Ilya Enkovich  <ilya.enkovich@intel.com>
            Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-protos.h (ix86_use_pseudo_pic_reg): New.
        * config/i386/i386.h (PIC_OFFSET_TABLE_REGNUM): Simplify by
        using x86_use_pseudo_pic_reg.
        * config/i386/i386.c (ix86_conditional_register_usage): Remove
        support for fixed PIC register.
        (ix86_use_pseudo_pic_reg): Not static any more.

2015-01-29  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR middle-end/64805
        * ipa-inline.c (early_inliner): Rebuild IPA_REF_CHKP reference
        to avoid error in cgraph node verification.

2015-01-29  Marek Polacek  <polacek@redhat.com>

        * doc/standards.texi: Reflect that the default for C is gnu11.

2015-01-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/64761
        * reorg.c (switch_text_sections_between_p): New function.
        (relax_delay_slots): Call it when testing if the jump insn
        is removable.  Use targetm.can_follow_jump when testing if
        the conditional branch can follow an unconditional jump.

2015-01-27  Caroline Tice  <cmtice@google.com>

        Committing VTV Cywin/Ming patch for Patrick Wollgast
        * config/i386/cygwin.h (STARTFILE_SPEC): Add vtv_start.o,
        if -fvtable-verify=preinit/std is used.
        * config/i386/mingw-w64.h (STARTFILE_SPEC): Likewise.
        * config/i386/mingw32.h (STARTFILE_SPEC): Likewise.
        * config/i386/cygwin.h (ENDFILE_SPEC): Add vtv_end.o,
        if -fvtable-verify=preinit/std is used.
        * config/i386/mingw32.h (ENDFILE_SPEC): Likewise.
        * config/i386/cygwin.h (LIB_SPEC): Pass -lvtv and -lpsapi,
        if -fvtable-verify=preinit/std is used.
        * config/i386/mingw-w64.h (LIB_SPEC): Likewise.
        * config/i386/mingw32.h (LIB_SPEC): Likewise.
        * varasm.c (assemble_variable): Add code to properly set the comdat
        section and name for the .vtable_map_vars section in case the
        target is PE or COFF.

2015-01-29  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64801
        * cgraphunit.c (init_lowered_empty_function): Add CoUNT parameter;
        make sane BB profile.
        (cgraph_node::expand_thunk): Make sane BB profile.
        (cgraph_node::create_wrapper): Do not set call_stmt_cannot_inline_p.
        * cgraph.h (init_lowered_empty_function): Update prototype.
        * config/i386/i386.c (make_resolver_func): Update call.
        * predict.c (gate): Disable branch prediction pass if
        profile is already there.

2015-01-29  Jan Hubicka  <hubicka@ucw.cz>

        * optc-save-gen.awk: flag_fp_contract_mode is no longer speical.
        * opth-gen.awk: Likewise.
        * common.opt: Mark flag_fp_contract_mode as Optimization.

2015-01-29  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * config/i386/cygwin.h (LIBGCJ_SONAME): Set libgcj version to -16.
        * config/i386/mingw32.h (LIBGCJ_SONAME): Set libgcj version to -16.

2015-01-28  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/64659
        * config/sh/predicates.md (atomic_arith_operand,
        atomic_logical_operand): Remove.
        * config/sh/sync.md (fetchop_predicate, fetchop_constraint): Remove.
        (atomic_arith_operand_0): New predicate.
        (atomic_compare_and_swap<mode>): Use arith_reg_dest for output values.
        Use atomic_arith_operand_0 for input values.
        (atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
        atomic_compare_and_swap<mode>_soft_gusa,
        atomic_compare_and_swap<mode>_soft_tcb,
        atomic_compare_and_swap<mode>_soft_imask): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.
        (atomic_exchange<mode>): Use arith_reg_dest for output value.  Use
        atomic_arith_operand_0 for newval input.
        (atomic_exchangesi_hard, atomic_exchange<mode>_hard,
        atomic_exchange<mode>_soft_gusa, atomic_exchange<mode>_soft_tcb,
        atomic_exchange<mode>_soft_imask): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.
        (atomic_arith_operand_1, atomic_logical_operand_1): New predicates.
        fetchop_predicate_1, fetchop_constraint_1_llcs,
        fetchop_constraint_1_gusa, fetchop_constraint_1_tcb,
        fetchop_constraint_1_imask): New code iterator attributes.
        (atomic_fetch_<fetchop_name><mode>): Use arith_reg_dest instead of
        register_operand.  Use fetchop_predicate_1.
        (atomic_fetch_<fetchop_name>si_hard,
        atomic_fetch_<fetchop_name><mode>_hard): Use arith_reg_dest instead of
        register_operand.  Use fetchop_predicate_1, fetchop_constraint_1_llcs.
        (atomic_fetch_<fetchop_name><mode>_soft_gusa): Use arith_reg_dest
        and arith_reg_operand instead of register_operand.  Use
        fetchop_predicate_1, fetchop_constraint_1_gusa.
        (atomic_fetch_<fetchop_name><mode>_soft_tcb): Use arith_reg_dest
        and arith_reg_operand instead of register_operand.  Use
        fetchop_predicate_1, fetchop_constraint_1_tcb.  Adjust asm sequence
        to allow R0 usage.
        (atomic_fetch_<fetchop_name><mode>_soft_imask): Use arith_reg_dest
        and arith_reg_operand instead of register_operand.  Use
        fetchop_predicate_1, fetchop_constraint_1_imask.  Adjust asm sequence
        to allow R0 usage.
        (atomic_fetch_nand<mode>): Use arith_reg_dest instead of
        register_operand.  Use atomic_logical_operand_1.
        (atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
        atomic_fetch_nand<mode>_soft_gusa): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.
        (atomic_fetch_nand<mode>_soft_tcb, atomic_fetch_nand<mode>_soft_imask):
        Use arith_reg_dest and arith_reg_operand instead of register_operand.
        Use logical_operand and rK08.  Adjust asm sequence to allow R0 usage.
        (atomic_<fetchop_name>_fetch<mode>): Use arith_reg_dest instead of
        register_operand.  Use fetchop_predicate_1.
        (atomic_<fetchop_name>_fetchsi_hard,
        atomic_<fetchop_name>_fetch<mode>_hard): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
        fetchop_constraint_1_llcs.
        (atomic_<fetchop_name>_fetch<mode>_soft_gusa): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
        fetchop_constraint_1_gusa.
        (atomic_<fetchop_name>_fetch<mode>_soft_tcb): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
        fetchop_constraint_1_tcb.  Adjust asm sequence to allow R0 usage.
        (atomic_<fetchop_name>_fetch<mode>_soft_imask): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
        fetchop_constraint_1_imask.  Adjust asm sequence to allow R0 usage.
        (atomic_nand_fetch<mode>): Use arith_reg_dest instead of
        register_operand.  Use atomic_logical_operand_1.
        (atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
        atomic_nand_fetch<mode>_soft_gusa): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.
        (atomic_nand_fetch<mode>_soft_tcb): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.  Use logical_operand
        and K08.  Adjust asm sequence to allow R0 usage.
        (atomic_nand_fetch<mode>_soft_imask): Use arith_reg_dest and
        arith_reg_operand instead of register_operand.  Use logical_operand
        and K08.

2015-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR other/63504
        * dwarf2out.c (add_AT_wide, mem_loc_descriptor, loc_descriptor):
        Use ggc_alloc<wide_int> instead of ggc_cleared_alloc<wide_int>.
        (attr_checksum, attr_checksum_ordered, hash_loc_operands): Checksum
        only get_full_len HOST_WIDE_INTs from get_val () array rather than
        all bits in *val_wide.

2015-01-28  Jan Hubicka  <hubicka@ucw.cz>

        * varpool.c (tls_model_names): Fix names.
        (varpool_node::dump): Dump tls- prefix for tls models.

2015-01-28  Thomas Schwinge  <thomas@codesourcery.com>
            Bernd Schmidt  <bernds@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/mkoffload.c: New file.
        * config/nvptx/t-nvptx: Add build rules for it.
        * config.gcc <nvptx-*> [$enable_as_accelerator = yes]
        (extra_programs): Add mkoffload.
        * config/nvptx/nvptx.c (nvptx_record_offload_symbol): New
        function.
        (TARGET_RECORD_OFFLOAD_SYMBOL): Define macro to use it.

2015-01-28  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR middle-end/64809
        * cfgexpand.c (reorder_operands): Skip debug gimples.

2015-01-28  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR tree-optimization/64277
        * tree-ssa-loop-niter.c (record_nonwrapping_iv): Use base
        range info when possible to refine estimation.

2015-01-28  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/64718
        * tree-ssa-math-opts.c (pass_optimize_bswap::execute): Make bswap_type
        be a 16bit unsigned integer when n->range is 16.
        (bswap_replace): Convert src to that type if necessary for all bswap
        sizes.  Fix rotation right notation in nearby comment.  Use bswap_type
        set in pass_optimize_bswap::execute ().

2015-01-28  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_abs<mode>): New.
        * config/aarch64/aarch64-simd-builtins.def (abs): Split by
        integer and floating point variants.
        * config/aarch64/iterators.md (unspec): Add UNSPEC_ABS.

2015-01-28  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips.c (mips_hard_regno_mode_ok_p): Prohibit accumulators
        for all vector modes.

2015-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/64612
        * doc/sourcebuild.texi (comdat_group): Document.

2015-01-28  Terry Guo  <terry.guo@arm.com>

        * config/arm/thumb1.md (*thumb1_movpc_insn): New insn pattern.

2015-01-27  David Malcolm  <dmalcolm@redhat.com>

        * toplev.c (print_version): Add param "show_global_state", and
        only print GGC and plugin information if it is true.
        (init_asm_output): Pass in "true" for the new param when calling
        print_version.
        (process_options): Likewise.
        (toplev::main): Likewise.
        * toplev.h (print_version): Add new param to decl.

2015-01-27  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/60871
        PR ipa/64139
        * tree.c (lookup_binfo_at_offset): New function.
        (get_binfo_at_offset): Use it.

2015-01-27  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64282
        * gimple-fold.c (gimple_get_virt_method_for_vtable): Remove assert
        on vtable being vtable.

2015-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * doc/extend.texi: s/390: Update documentation of hotpatch attribute.
        * doc/invoke.texi (-mhotpatch): s/390: Update documentation of
        -mhotpatch= option.
        * config/s390/s390.opt (mhotpatch): s/390: Remove -mhotpatch and
        -mno-hotpatch options.  Change syntax of -mhotpatch= option.
        * config/s390/s390.c (s390_hotpatch_trampoline_halfwords_default):
        Renamed.
        (s390_hotpatch_trampoline_halfwords_max): Renamed.
        (s390_hotpatch_hw_max): New name.
        (s390_hotpatch_trampoline_halfwords): Renamed.
        (s390_hotpatch_hw_before_label): New name.
        (get_hotpatch_attribute): Removed.
        (s390_hotpatch_hw_after_label): New name.
        (s390_handle_hotpatch_attribute): Add second parameter to hotpatch
        attribute.
        (s390_attribute_table): Ditto.
        (s390_function_num_hotpatch_trampoline_halfwords): Renamed.
        (s390_function_num_hotpatch_hw): New name.
        Remove special handling of inline functions and hotpatching.
        Return number of nops before and after the function label.
        (s390_can_inline_p): Removed.
        (s390_asm_output_function_label): Emit a configurable number of nops
        after the function label.
        (s390_option_override): Update -mhotpatch= syntax and remove -mhotpatch.
        (TARGET_CAN_INLINE_P) Removed.
        (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): New.

2015-01-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
            Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64.md (tb<optab><mode>1): Clobber CC reg instead
        of scratch reg.
        (cb<optab><mode>1): Likewise.
        * config/aarch64/iterators.md (bcond): New define_code_attr.

2015-01-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_memory_move_cost): Increase costs for
        memory accesses.

2015-01-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_register_move_cost): Increase costs for
        FPR->GPR moves.

2015-01-27  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (update_value_range): Intersect the range with
        old recorded SSA name range information.

2015-01-27  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_expand_prologue): In G10 mode push the
        BC, DE and HL registers directly, not via AX.
        When decrementing the stack pointer by a large amount, transfer SP
        into AX and perform the subtraction there.
        (rl78_expand_epilogue): Perform the inverse of the above
        enhancements.

2015-01-27  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sysv4.h (CRT_GET_RFIB_DATA): Remove.

2015-01-27  Jakub Jelinek  <jakub@redhat.com>
            Yury Gribov  <y.gribov@samsung.com>

        PR ubsan/64741
        * ubsan.c (ubsan_source_location): Refactor code.
        (ubsan_type_descriptor): Update type size. Refactor code.

2015-01-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56273
        PR tree-optimization/59124
        PR tree-optimization/64277
        * tree-vrp.c (vrp_finalize): Emit array-bound warnings only
        from the first VRP pass.

2015-01-27  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/64776
        * cgraphunit.c (cgraph_node::expand_thunk): If not this_adjusting,
        handle the first argument in the same loop as all the other arguments.

        PR rtl-optimization/61058
        * jump.c (cleanup_barriers): Update basic block boundaries
        if BLOCK_FOR_INSN is non-NULL on PREV.

2015-01-27  Ilya Enkovich  <ilya.enkovich@intel.com>

        * tree-chkp.c (chkp_call_returns_bounds_p): Fix handling of
        bounds narrowing, already instrumented calls and calls to
        not instrumentable functions.

2015-01-27  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/64807
        * wide-int.cc (wi::divmod_internal): Clear
        b_dividend[dividend_blocks_needed].

2015-01-26  DJ Delorie  <dj@redhat.com>

        * config/rl78/rl78.c (move_elim_pass): Don't optimize away
        volatile memory references.

2015-01-26  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/49263
        * config/sh/sh.c (sh_split_treg_set_expr): Invoke emit_insn before
        remove_insn.
        * config/sh/sh.md (tstsi_t): Don't try to optimize constant with right
        shifts if it already fits into K08.

2015-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/64730
        * ipa-inline.c (inline_small_functions): Print "unknown" even
        if edge->call_stmt is non-NULL, but has builtins or unknown
        location.

        PR middle-end/64421
        * omp-low.c (simd_clone_mangle): If DECL_ASSEMBLER_NAME starts
        with asterisk, skip the first character.

2015-01-26  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/64806
        * config/i386/i386 (feature_priority): Revert the last P_POPCNT
        order change.

2015-01-26  Uros Bizjak  <ubizjak@gmail.com>

        PR target/64795
        * config/i386/i386.md (*movdi_internal): Also check operand 0
        to determine TYPE_LEA operand.
        (*movsi_internal): Ditto.

2015-01-26  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Add
        OPTION_MASK_QUAD_MEMORY_ATOMIC.

2015-01-26  Renlin Li  <renlin.li@arm.com>

        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Correct
        the comment.
        * config/aarch64/aarch64.md (tlsle_small_<mode>): Add left shift 12-bit
        for higher part.

2015-01-26  Richard Biener  <rguenther@suse.de>

        PR middle-end/64764
        * tree-ssa-uninit.c (is_pred_expr_subset_of): Handle
        combining two BIT_AND_EXPR predicates.

2015-01-26  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/64754
        * tree-ssa-structalias.c (new_var_info): Initialize ruid.

2015-01-26  Terry Guo  <terry.guo@arm.com>

        * config/arm/arm.c (arm_file_start): Update the assignment of
        Tag_ABI_HardFP_use.

2015-01-25  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/arm-cores.def (cortex-a57): Use the new Cortex-A57
        pipeline model.
        config/arm/arm.md: Include the new Cortex-A57 model.
        (generic_sched): Don't use generic_sched when tuning for
        Cortex-A57.

2015-01-25  Allan Sandfeld Jensen  <sandfeld@kde.org>
            Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (get_builtin_code_for_version): Add
        support for BMI and BMI2 multiversion functions.

2015-01-25  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * emit-rtl.h (store_bit_field): Move prototype to expmed.h.
        (extract_bit_field): Likewise.
        (extract_low_bits): Likewise.
        (expand_mult): Likewise.
        (expand_mult_highpart_adjust): Likewise.

2015-01-24  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Check new
        Silvermont, Haswell, Broadwell and Knights Landing model numbers.
        * config/i386/i386.c (processor_model): Add
        M_INTEL_COREI7_BROADWELL.
        (arch_names_table): Add "broadwell".

2015-01-24  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/49263
        PR target/53987
        PR target/64345
        PR target/59533
        PR target/52933
        PR target/54236
        PR target/51244
        * config/sh/sh-protos.h
        (sh_extending_set_of_reg::can_use_as_unextended_reg,
        sh_extending_set_of_reg::use_as_unextended_reg,
        sh_is_nott_insn, sh_movt_set_dest, sh_movrt_set_dest, sh_is_movt_insn,
        sh_is_movrt_insn, sh_insn_operands_modified_between_p,
        sh_reg_dead_or_unused_after_insn, sh_in_recog_treg_set_expr,
        sh_recog_treg_set_expr, sh_split_treg_set_expr): New functions.
        (sh_treg_insns): New class.
        * config/sh/sh.c (TARGET_LEGITIMATE_COMBINED_INSN): Define target hook.
        (scope_counter): New class.
        (sh_legitimate_combined_insn, sh_is_nott_insn, sh_movt_set_dest,
        sh_movrt_set_dest, sh_reg_dead_or_unused_after_insn,
        sh_extending_set_of_reg::can_use_as_unextended_reg,
        sh_extending_set_of_reg::use_as_unextended_reg, sh_recog_treg_set_expr,
        sh_in_recog_treg_set_expr, sh_try_split_insn_simple,
        sh_split_treg_set_expr): New functions.
        (addsubcosts): Handle treg_set_expr.
        (sh_rtx_costs): Handle IF_THEN_ELSE and ZERO_EXTRACT.
        (sh_rtx_costs): Use arith_reg_operand in SIGN_EXTEND and ZERO_EXTEND.
        (sh_rtx_costs): Handle additional bit test patterns in EQ and AND cases.
        (sh_insn_operands_modified_between_p): Make non-static.
        * config/sh/predicates.md (zero_extend_movu_operand): Allow
        simple_mem_operand in addition to displacement_mem_operand.
        (zero_extend_operand): Don't allow zero_extend_movu_operand.
        (treg_set_expr, treg_set_expr_not_const01,
        arith_reg_or_treg_set_expr): New predicates.
        * config/sh/sh.md (tstsi_t): Use arith_reg_operand and
        arith_or_int_operand instead of logical_operand.  Convert to
        insn_and_split.  Try to optimize constant operand in splitter.
        (tsthi_t, tstqi_t): Fold into *tst<mode>_t.  Convert to insn_and_split.
        (*tstqi_t_zero): Delete.
        (*tst<mode>_t_subregs): Add !sh_in_recog_treg_set_expr split condition.
        (tstsi_t_and_not): Delete.
        (tst<mode>_t_zero_extract_eq): Rename to *tst<mode>_t_zero_extract.
        Convert to insn_and_split.
        (unnamed split, tstsi_t_zero_extract_xor,
        tstsi_t_zero_extract_subreg_xor_little,
        tstsi_t_zero_extract_subreg_xor_big): Delete.
        (*tstsi_t_shift_mask): New insn_and_split.
        (cmpeqsi_t, cmpgesi_t): Add new split for const_int 0 operands and try
        to recombine with surrounding insns when splitting.
        (*negtstsi): Add !sh_in_recog_treg_set_expr condition.
        (cmp_div0s_0, cmp_div0s_1, *cmp_div0s_0, *cmp_div0s_1): Rewrite as ...
        (cmp_div0s, *cmp_div0s_1, *cmp_div0s_2, *cmp_div0s_3, *cmp_div0s_4,
        *cmp_div0s_5, *cmp_div0s_6): ... these new insn_and_split patterns.
        (*cbranch_div0s: Delete.
        (*addc): Convert to insn_and_split.  Use treg_set_expr as 3rd operand.
        Try to recombine with surrounding insns when splitting.  Add operand
        order variants.
        (*addc_t_r, *addc_r_t): Use treg_set_expr_not_const01.
        (*addc_r_r_1, *addc_r_lsb, *addc_r_r_lsb, *addc_r_lsb_r, *addc_r_msb,
        *addc_r_r_msb, *addc_2r_msb): Delete.
        (*addc_2r_lsb): Rename to *addc_2r_t.  Use treg_set_expr.  Add operand
        order variant.
        (*addc_negreg_t): New insn_and_split.
        (*subc): Convert to insn_and_split.  Use treg_set_expr as 3rd operand.
        Try to recombine with surrounding insns when splitting.
        Add operand order variants.
        (*subc_negt_reg, *subc_negreg_t, *reg_lsb_t, *reg_msb_t): New
        insn_and_split patterns.
        (*rotcr): Use arith_reg_or_treg_set_expr.  Try to recombine with
        surrounding insns when splitting.
        (unnamed rotcr split): Use arith_reg_or_treg_set_expr.
        (*rotcl): Likewise.  Add zero_extract variant.
        (*ashrsi2_31): New insn_and_split.
        (*negc): Convert to insn_and_split.  Use treg_set_expr.
        (*zero_extend<mode>si2_disp_mem): Update comment.
        (movrt_negc, *movrt_negc, nott): Add !sh_in_recog_treg_set_expr split
        condition.
        (*mov_t_msb_neg, mov_neg_si_t): Use treg_set_expr.  Try to recombine
        with surrounding insns when splitting.
        (any_treg_expr_to_reg): New insn_and_split.
        (*neg_zero_extract_0, *neg_zero_extract_1, *neg_zero_extract_2,
        *neg_zero_extract_3, *neg_zero_extract_4, *neg_zero_extract_5,
        *neg_zero_extract_6, *zero_extract_0, *zero_extract_1,
        *zero_extract_2): New single bit zero extract patterns.
        (bld_reg, *bld_regqi): Fold into bld<mode>_reg.
        (*get_thread_pointersi, store_gbr, *mov<mode>_gbr_load,
        *mov<mode>_gbr_load, *mov<mode>_gbr_load, *mov<mode>_gbr_load,
        *movdi_gbr_load): Use arith_reg_dest instead of register_operand for
        set destination.
        (set_thread_pointersi, load_gbr): Use arith_reg_operand instead of
        register_operand for set source.

2015-01-23  Jan Hubicka  <hubicka@ucw.cz>

        * i386.opt (prefetch_sse): New targetsave.
        * i386.c (ix86_function_specific_save): Save prefetch_sse.
        (ix86_function_specific_restore): Restore prefetch_sse and initialize
        ix86_cost/ix86_tune_cost.

2015-01-23  David Malcolm  <dmalcolm@redhat.com>

        * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
        Support the JIT by using 0 as the language type.

2015-01-23  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/64317
        * lra-lives.c (make_hard_regno_born): Add parameter.  Don't make
        REAL_PIC_OFFSET_TABLE_REGNUM conflicting with pic offset pseudo.
        (mark_regno_live, process_bb_lives): Pass new parameter value to
        make_hard_regno_born.

2015-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/63637
        PR rtl-optimization/60663
        * cse.c (merge_equiv_classes): Set new_elt->cost to MAX_COST
        if elt->cost is MAX_COST for ASM_OPERANDS.
        (find_sets_in_insn): Fix up comment typo.
        (cse_insn): Don't set src_volatile for all non-volatile
        ASM_OPERANDS in PARALLELs, but just those with multiple outputs
        or with "memory" clobber.  Set elt->cost to MAX_COST
        for ASM_OPERANDS in PARALLEL.  Set src_elt->cost to MAX_COST
        if new_src is ASM_OPERANDS and elt->cost is MAX_COST.

2015-01-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (sse2_loadld): Set attribute isa to sse2 for
        alternative 1.

2015-01-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/gnu-user.h (CRT_GET_RFIB_DATA): Move definition to
        libgcc/config/i386/elf-lib.h.

2015-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR driver/64737
        * gcc.c (print_configuration): Don't print a blank line at the end
        here...
        (run_attempt): ... but here unstead.

        PR middle-end/64734
        * omp-low.c (scan_sharing_clauses): Don't ignore
        OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION GOMP_MAP_POINTER clauses
        on target data/update constructs.

2015-01-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR target/50928
        * config/m32c/m32c.c (encode_pattern_1): Removed gcc_unreachable here.
        (DEBUG_RELOAD): Removed define.
        (m32c_limit_reload_class): Enable traces with if DEBUG0.
        (m32c_function_arg): Added a type cast.
        (m32c_legitimize_reload_address): Push A_REGS reload with PSImode.
        * config/m32c/addsub.md (addsi3_1): Specify the mode of all arguments.
        * config/m32c/bitops.md (andqi3_16): Likewise.
        * config/m32c/mov.md (m32c_immd_dbl_mov): Likewise.
        (push_a01_l): Likewise.

2015-01-23  David Malcolm  <dmalcolm@redhat.com>

        PR jit/64721
        * main.c (main): Construct toplev instances with init_signals=true.
        * toplev.c (general_init): Add param "init_signals", and use it to
        conditionalize the calls to signal and host_hooks.extra_signals.
        (toplev::toplev): Add param "init_signals".
        (toplev::main): When invoking general_init, pass m_init_signals
        to control whether signal-handlers are installed.
        * toplev.h (toplev::toplev): Add param "init_signals".
        (toplev::m_init_signals): New field.

2015-01-23  David Malcolm  <dmalcolm@redhat.com>

        PR jit/64722
        * emit-rtl.c (init_emit_regs): Set pic_offset_table_rtx to
        NULL_RTX before testing PIC_OFFSET_TABLE_REGNUM, since the
        latter may be affected by the former (e.g. on i686).

2015-01-23  Martin Liska  <mliska@suse.cz>

        * tree.h (tree_vec_elt_check): Workaround -Wstrict-overflow
        false positive during profiledbootstrap.

2015-01-23  Tom de Vries  <tom@codesourcery.com>

        PR libgomp/64672
        * lto-opts.c (lto_write_options): Output non-explicit conservative
        -fno-openacc.
        * lto-wrapper.c (merge_and_complain): Handle merging -fopenacc.
        (append_compiler_options): Pass -fopenacc through.

2015-01-23  Tom de Vries  <tom@codesourcery.com>

        PR libgomp/64707
        * lto-opts.c (lto_write_options): Output non-explicit conservative
        -fno-openmp.
        * lto-wrapper.c (merge_and_complain): Handle merging -fopenmp.
        (append_compiler_options): Pass -fopenmp through.

2015-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR debug/64511
        * dwarf2out.c (struct dw_loc_descr_node): Add chain_next
        GTY markup.

        * diagnostic-core.h (internal_error_no_backtrace): New prototype.
        * diagnostic.def (DK_ICE_NOBT): New kind.
        * diagnostic.c (diagnostic_action_after_output): Handle DK_ICE_NOBT
        like DK_ICE, but never print backtrace.
        (diagnostic_report_diagnostic): Handle DK_ICE_NOBT like DK_ICE.
        (internal_error_no_backtrace): New function.
        * gcc.c (execute): Use internal_error_no_backtrace instead of
        internal_error.

2015-01-22  Jeff Law  <law@redhat.com>

        PR target/52076
        * config/m68k/m68k.md (xorsi3_internal): Twiddle constraints to
        improve code density for small immediate to memory case.
        (insv): Better handle bitfield assignments when the field is
        being set to all ones.
        * config/m68k/predicates.md (reg_or_pow2_m1_operand): New
        operand predicate.

2015-01-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/64729
        * gcc.c (LINK_SSP_SPEC): Handle -fstack-protector-explicit
        for !TARGET_LIBC_PROVIDES_SSP version and
        -fstack-protector-{all,strong,explicit} otherwise.
        * config/freebsd.h (LINK_SSP_SPEC): Handle
        -fstack-protector-{strong,explicit}.

2015-01-22  Jan Hubicka  <hubicka@ucw.cz>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR ipa/64694
        * ipa-inline.c (inline_small_functions): Fix thinko in maintenance of
        heap.

2015-01-22  Wei Mi  <wmi@google.com>

        PR rtl-optimization/64557
        * dse.c (record_store): Call get_addr for mem_addr.
        (check_mem_read_rtx): Likewise.

2015-01-22  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (const_binop): Add early return for non-tcc_binary.

2015-01-22  Chen Gang  <gang.chen.5i5j@gmail.com>

        * toplev.c (init_local_tick): Process the failure when read
        fails for random_seed.

        * ubsan.c (ubsan_type_descriptor): Use 'pretty_print' for
        'pretty_name' to avoid memory overflow.

2015-01-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/64728
        * tree-ssa-coalesce.c (coalesce_partitions): Do not perform
        abnormal coalescing on undefined SSA names.

2015-22-01  Uros Bizjak  <ubizjak@gmail.com>

        PR target/64688
        PR target/64477
        * config/i386/sse.md (vec_set<mode>_0): Use (Yi/r/C) constraints
        for alternative 3.
        (*vec_dup<mode>): Use (Yi/$r) constraints for alternative 1.

2015-01-22  Trevor Saunders  <tsaunders@mozilla.com>

        PR middle-end/63325
        * fold-const.c (fold_checksum_tree): Don't include value of
        expr->decl_with_vis.symtab_node in the checksum.

2015-01-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md (atomic code attribute): Fix typo "ior" -> "or".

2015-01-22  Max Ostapenko  <m.ostapenko@partner.samsung.com>

        PR driver/64690
        * gcc.c (insert_comments): New function.
        (try_generate_repro): Call it.
        (append_text): Removed.

2015-01-22  Richard Biener  <rguenther@suse.de>

        * ipa-inline.c (can_inline_edge_p): Disable inlining of edges
        with IL incompatible options.  Properly honor user optimize
        attributes.

2015-01-21  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/64682
        * combine.c (distribute_notes): When moving a death note for
        a register that is set in the new I2, make sure to put it
        before that new I2.

2015-01-21  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_file_start): Use rs6000_isa_flags
        not TARGET_DEFAULT.

2015-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR debug/64511
        * simplify-rtx.c (simplify_relational_operation_1): Don't try to
        optimize (eq/ne (and (side_effects) (const_int 0)) (const_int 0))
        into (eq/ne (and (not (side_effects)) (const_int 0)) (const_int 0)).

        PR sanitizer/64706
        * doc/invoke.texi (-fsanitize=vptr): Document.

        PR rtl-optimization/62078
        * dse.c: Include cfgcleanup.h.
        (rest_of_handle_dse): For -fnon-call-exceptions, if DSE removed
        anything call purge_all_dead_edges and cleanup_cfg at the end
        of the pass.

2015-01-21  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-utils.c (ipa_merge_profiles): Avoid ICE on mismatch in indirect
        edges.

2015-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * gimplify.c (gimplify_function_tree): Check the no_sanitize_thread
        decl attribute.

2015-01-21  David Sherwood  <david.sherwood@arm.com>
            Tejas Belagod <Tejas.Belagod@arm.com>

        * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Removed.
        * config/aarch64/aarch64.c (aarch64_cannot_change_mode_class): Removed.
        * config/aarch64/aarch64-protos.h (aarch64_cannot_change_mode_class):
        Removed.

2015-01-21  David Sherwood  <david.sherwood@arm.com>
            Tejas Belagod <Tejas.Belagod@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist)
        (aarch64_reverse_mask): New decls.
        * config/aarch64/iterators.md (UNSPEC_REV_REGLIST): New enum.
        (insn_count): New mode_attr.
        * config/aarch64/aarch64-simd.md (vec_store_lanesoi, vec_store_lanesci)
        (vec_store_lanesxi, vec_load_lanesoi, vec_load_lanesci)
        (vec_load_lanesxi): Made ABI compliant for Big Endian targets.
        (aarch64_rev_reglist, aarch64_simd_ld2, aarch64_simd_ld3)
        (aarch64_simd_ld4, aarch64_simd_st2, aarch64_simd_st3)
        (aarch64_simd_st4): New patterns.
        * config/aarch64/aarch64.c (aarch64_simd_attr_length_rglist)
        (aarch64_reverse_mask): New functions.

2015-01-21  Alan Hayward  <alan.hayward@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_simd_disambiguate_copy):
        Declare.
        * config/aarch64/aarch64.c (aarch64_classify_address): Allow extra
        addressing modes for BE.
        (aarch64_print_operand): Add 'R' specifier.
        (aarch64_simd_disambiguate_copy): Delete.
        (aarch64_simd_emit_reg_reg_move): New function.
        * config/aarch64/aarch64-simd.md: Use aarch64_simd_emit_reg_reg_move
        in define_splits for structural moves.
        (mov<mode>): Use less restrictive predicates.
        (*aarch64_mov<mode>): Simplify and only allow for LE.
        (*aarch64_be_movoi, *aarch64_be_movci, *aarch64_be_movxi): New.

2015-01-21  Alan Hayward  <alan.hayward@arm.com>

        * rtlanal.c (subreg_get_info): Exit early for simple and common cases.

2015-01-21  Richard Henderson  <rth@redhat.com>

        PR target/64669
        * ccmp.c (used_in_cond_stmt_p): Remove.
        (expand_ccmp_expr): Don't use it.

2015-01-21  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_calculate_death_notes): Look inside
        PARALLELs.

2015-01-21  Richard Biener  <rguenther@suse.de>

        PR middle-end/64313
        * tree-core.h (builtin_info, builtin_info_type): Turn from
        an object with two arrays into an array of an object with
        decl and two flags, implicit_p and declared_p.
        * tree.h (builtin_decl_explicit, builtin_decl_implicit,
        set_builtin_decl, set_builtin_decl_implicit_p,
        builtin_decl_explicit_p, builtin_decl_implicit_p): Adjust.
        (set_builtin_decl_declared_p, builtin_decl_declared_p): New functions.
        * builtins.c (builtin_info): Adjust.
        * gimplify.c (gimplify_addr_expr): References to builtins
        that have been declared by the user makes them eligible for
        use by the compiler.  Call set_builtin_decl_implicit_p on them.

2015-01-20  Jeff Law  <law@redhat.com>

        PR target/59946
        * config/m68k/m68k.md (Comparison expanders and patterns): Do not
        allow pc-relative addresses in operand predicates or constraints.

2015-01-21  Bin Cheng  <bin.cheng@arm.com>

        * config/arm/arm.c (arm_cortex_a53_tune, arm_cortex_a57_tune): Prefer
        neon on aarch32 processors for stringops.

2015-01-19  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/63576
        * ipa-utils.c (ipa_merge_profiles): Merge speculative edges.

2015-01-19  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/45375
        * ipa-inline.c: Include lto-streamer.h
        (report_inline_failed_reason): Output source file differences and
        flags on optimization/target node mismatch.
        (can_inline_edge_p): Consider caller to be the outer inline function;
        be less restrictive about matching opimize and optimize_size attributes.
        (inline_account_function_p): Break out from ...
        (inline_small_functions): ... here.
        * ipa-inline-transform.c (clone_inlined_nodes): Use
        inline_account_function_p.
        (inline_call): Use optimize attribution; use inline_account_function_p.
        (inline_transform): Use opt_for_fn.
        * ipa-inline.h (inline_account_function_p): Declare.

2015-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/64663
        * dwarf2out.c (decl_piece_node): Don't put bitsize into
        mode if bitsize <= 0.
        (decl_piece_bitsize, adjust_piece_list, add_var_loc_to_decl,
        dw_sra_loc_expr): Use HOST_WIDE_INT instead of int for bit
        sizes and positions.

2015-01-20  Chung-Lin Tang  <cltang@codesourcery.com>

        * config/nios2/nios2.c (nios2_asm_file_end): Implement
        TARGET_ASM_FILE_END hook for adding .note.GNU-stack section when
        needed.
        (TARGET_ASM_FILE_END): Define.

2015-01-20  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * config/arm/arm-protos.h (enum arm_sched_autopref): New constants.
        (struct tune_params): Use the enum.
        * arm.c (arm_*_tune): Update.
        (arm_option_override): Update.

2015-01-20  Richard Biener  <rguenther@suse.de>

        PR ipa/64684
        * ipa-reference.c (add_static_var): Inline ...
        (analyze_function): ... here after splitting out from ...
        (is_proper_for_analysis): ... this.

2015-01-20  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/64149
        * config/arm/arm.opt: Remove lra option and arm_lra_flag variablesle.
        * config/arm/arm.h (MODE_BASE_REG_CLASS): Remove use of arm_lra_flagag,
        replace the conditional with it's true branch.
        * config/arm/arm.config (TARGET_LRA_P): Set to hook_bool_void_true.
        (arm_lra_p): Remove.

2015-01-20  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/visium.h (LIB_SPEC): Adjust in default case.

2015-01-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * config/tilegx/mul-tables.c: Move symtab.h include after
        coretypes.h include.
        * config/tilepro/mul-tables.c: Add includes hashtab.h, hash-set.h,
        vec.h, machmode.h, tm.h, hard-reg-set.h, input.h, function.h, rtl.h,
        flags.h, statistics.h, double-int.h, real.h, fixed-value.h, alias.h,
        wide-int.h, inchash.h, tree.h, insn-config.h, expmed.h, dojump.h,
        explow.h, calls.h, emit-rtl.h, varasm.h, stmt.h.

2015-01-20  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR bootstrap/64676
        Revert:
        2015-01-19  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR rtl-optimization/64081
        * loop-iv.c (def_pred_latch_p): New function.
        (latch_dominating_def): Allow specific cases with non-single
        definitions.
        (iv_get_reaching_def): Likewise.
        (check_complex_exit_p): New function.
        (check_simple_exit): Use check_complex_exit_p to allow certain cases
        with exits not executing on any iteration.

2015-01-19  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/45375
        * i386.c (ix86_option_override_internal): Use ix86_tune_cost
        to set branch cost.

2015-01-19  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/45375
        * i386.c (gate): Check flag_expensive_optimizations and
        optimize_size.
        (ix86_option_override_internal): Drop optimize_size condition
        on MASK_ACCUMULATE_OUTGOING_ARGS, MASK_VZEROUPPER,
        MASK_AVX256_SPLIT_UNALIGNED_LOAD, MASK_AVX256_SPLIT_UNALIGNED_STORE,
        MASK_PREFER_AVX128.
        (ix86_avx256_split_vector_move_misalign,
        ix86_avx256_split_vector_move_misalign): Check optimize_insn_for_speed.
        * sse.md (all uses of TARGET_PREFER_AVX128): Add
        optimize_insn_for_speed_p check.

2015-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>

        * config/mips/mips.h (FP_ASM_SPEC): New define.
        (ASM_SPEC): Remove floating-point options and use FP_ASM_SPEC
        instead.

2015-01-19  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/53988
        * config/sh/sh-protos.h (sh_find_set_of_reg): Make sure not to return
        nullptr for insn when reaching the first insn.
        * config/sh/sh.c (sh_unspec_insn_p): Rewrite using subrtx_iterator.
        (sh_insn_operands_modified_between_p): Add nullptr check.
        (sh_find_extending_set_of_reg): Fix log message.  Don't accept
        sign extending mem load if the insn contains any UNSPEC or
        UNSPEC_VOLATILE.

2015-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * params.def (inline-unit-growth): Drop to 15%.
        * invoke.texi (inline-unit-growth): Document change.

2015-01-19  Martin Liska  <mliska@suse.cz>

        PR ipa/64668
        * ipa-icf-gimple.c (func_checker::compare_operand): Call proper
        function for second argument of OBJ_TYPE_REF.

2015-01-19  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64218
        * ipa-inline.c (want_inline_function_to_all_callers_p): Fix check
        whether function is an alias.

2015-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (ipa_devirt): Drop polymorphic call info in hopeless
        cases.

2015-01-19  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/64671
        * lra-remat.c (operand_to_remat): Don't consider jump and call
        insns.

2015-01-19  David Edelsohn  <dje.gcc@gmail.com>

        PR target/59828
        * config/rs6000/default64.h: Include rs6000-cpus.def.
        (TARGET_DEFAULT) [LITTLE_ENDIAN]: Use ISA 2.7 (POWER8).
        (TARGET_DEFAULT) [BIG_ENDIAN]: Use POWER4.
        * config/rs6000/driver-rs6000.c (detect_processor_aix): Add POWER7
        and POWER8.
        * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Always default to
        POWER8.
        * config/rs6000/rs6000.c (rs6000_file_start): Emit .machine
        pseudo-op to specify assembler dialect.

2015-01-19  Martin Liska  <mliska@suse.cz>

        PR ipa/64664
        * ipa-icf.c (sem_item_optimizer::filter_removed_items):
        Handle safe potentially removed nodes during filtering.

2015-01-19  Martin Liska  <mliska@suse.cz>

        * doc/extend.texi (no_icf): Add new attribute description.
        * ipa-icf.c (sem_item_optimizer::merge_classes): Handle cases
        where the pass attempts to merge a function with no_icf attribute.

2015-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/64532
        * doc/md.texi (ARM Options): Document register constraints.

2015-01-19  Jiong Wang  <jiong.wang@arm.com>
            Andrew Pinski  <apinski@cavium.com>

        PR target/64304
        * config/aarch64/aarch64.md (define_insn "*ashl<mode>3_insn"): Deleted.
        (ashl<mode>3): Don't expand if operands[2] is not constant.

2015-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/64448
        * config/aarch64/aarch64-simd.md (aarch64_simd_bsl<mode>_internal):
        Match xor-and-xor RTL pattern.

2015-01-19  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR rtl-optimization/64081
        * loop-iv.c (def_pred_latch_p): New function.
        (latch_dominating_def): Allow specific cases with non-single
        definitions.
        (iv_get_reaching_def): Likewise.
        (check_complex_exit_p): New function.
        (check_simple_exit): Use check_complex_exit_p to allow certain cases
        with exits not executing on any iteration.

2015-01-19  Jakub Jelinek  <jakub@redhat.com>

        * common.opt (fgraphite): Fix a typo.

2015-01-19  Felix Yang  <felix.yang@huawei.com>

        * config/aarch64/aarch64-simd.md (aarch64_<maxmin_uns>p<mode>): New
        pattern.
        * config/aarch64/aarch64-simd-builtins.def (smaxp, sminp, umaxp,
        uminp, smax_nanp, smin_nanp): New builtins.
        * config/aarch64/arm_neon.h (vpmax_s8, vpmax_s16, vpmax_s32,
        vpmax_u8, vpmax_u16, vpmax_u32, vpmaxq_s8, vpmaxq_s16, vpmaxq_s32,
        vpmaxq_u8, vpmaxq_u16, vpmaxq_u32, vpmax_f32, vpmaxq_f32, vpmaxq_f64,
        vpmaxqd_f64, vpmaxs_f32, vpmaxnm_f32, vpmaxnmq_f32, vpmaxnmq_f64,
        vpmaxnmqd_f64, vpmaxnms_f32, vpmin_s8, vpmin_s16, vpmin_s32, vpmin_u8,
        vpmin_u16, vpmin_u32, vpminq_s8, vpminq_s16, vpminq_s32, vpminq_u8,
        vpminq_u16, vpminq_u32, vpmin_f32, vpminq_f32, vpminq_f64, vpminqd_f64,
        vpmins_f32, vpminnm_f32, vpminnmq_f32, vpminnmq_f64, vpminnmqd_f64,
        vpminnms_f32): Rewrite using builtin functions.

2015-01-19  Thomas Schwinge  <thomas@codesourcery.com>

        PR libgomp/64625
        * omp-low.c (offload_symbol_decl): Remove variable.
        (get_offload_symbol_decl): Remove function.
        (expand_omp_target): For BUILT_IN_GOMP_TARGET,
        BUILT_IN_GOMP_TARGET_DATA, BUILT_IN_GOMP_TARGET_UPDATE pass NULL
        instead of &__OFFLOAD_TABLE__, for BUILT_IN_GOACC_DATA_START,
        BUILT_IN_GOACC_ENTER_EXIT_DATA, BUILT_IN_GOACC_PARALLEL,
        BUILT_IN_GOACC_UPDATE don't pass it at all.

2015-01-19  Ilya Enkovich  <ilya.enkovich@intel.com>

        * tree-sra.c (some_callers_have_mismatched_arguments_p): Allow thunk
        callers.

2015-01-19  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa-chkp.c (chkp_produce_thunks): Add early param
        to split thunks production into two passes.  Keep
        'always_inline' function bodies after the first pass.
        (pass_data_ipa_chkp_early_produce_thunks): New.
        (pass_ipa_chkp_early_produce_thunks): New.
        (pass_ipa_chkp_produce_thunks::execute): Adjust to new
        chkp_produce_thunks signature.
        (make_pass_ipa_chkp_early_produce_thunks): New.
        * passes.def (pass_ipa_chkp_early_produce_thunks): New.
        (pass_ipa_chkp_produce_thunks): Move after local optimizations.
        * tree-pass.h (make_pass_ipa_chkp_early_produce_thunks): New.

2015-01-18  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_node::dump): Dump profile flags.

2015-01-18  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/64652
        * config/sh/sh.md (udivsi3_i4, divsi3_i4): Make use of sfunc address
        reg appear first in the parallel.

2015-01-18  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-reference.c (set_reference_optimization_summary,
        ipa_reference_get_not_written_global): Do nothing if ipa-reference is
        disabled.
        (ignore_module_statics): New static var.
        (propagate_bits): If ipa-reference is disabled, do not look into local
        properties.
        (analyze_function): Disable analysis when ipa_reference is disabled.
        (generate_summary): Do not dump when reference is disabled;
        collect vars accessed from functions with ipa-reference disabled.
        (get_read_write_all_from_node): When ipa-reference is disabled, use the
        node flags.
        (gate): Enable for LTO.
        (ignore_edge_p): New function.
        (propagate): Skip functions w/o ipa-reference analysis.
        * optc-save-gen.awk: Handle optimize_debug correctly.
        * opth-gen.awk: Likewise.
        * common.opt (fauto-inc-dec, fdelete-dead-exceptions, ffunction-cse,
        fgraphite, fstrict-volatile-bitfields, fira-algorithm, fira-region,
        fira-share-save-slots, fira-share-spill-slots,
        fmodulo-sched-allow-regmoves, fpartial-inlining,
        sched-stalled-insns, fsched-stalled-insns-dep, fstrict-overflow,
        ftracer, ftree-parallelize-loops, fassociative-math,
        freciprocal-math, fvect-cost-model, fsimd-cost-model): Mark as
        Optimization
        (fauto-profile, fcommon, fdata-sections, fipa-icf-variables,
        ftoplevel-reorder, funit-at-a-time, fwhole-program): Do not mark as
        Optimization.
        * ipa-icf.c (gate, sem_item_optimizer::filter_removed_items):
        Fix for IPA.

2015-01-18  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64378
        * ipa-prop.c (try_make_edge_direct_virtual_call): Clear speculative
        flag correctly.
        * ipa-cp.c (ipa_get_indirect_edge_target_1): Handle speculation.

2015-01-18  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-funroll-loops], [-funroll-all-loops]):
        Remove duplicate option listings.

2015-01-18  Felix Yang  <felix.yang@huawei.com>

        * auto-profile.c (afdo_find_equiv_class): Remove unnecessary test.
        (autofdo_source_profile::get_callsite_total_count,
        function_instance::get_function_instance_by_decl,
        string_table::get_index, string_table::get_index_by_decl,
        afdo_vpt_for_early_inline, afdo_callsite_hot_enough_for_early_inline):
        Fix comment typos. Reformatting and minor code rearrangement.

2015-01-17  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (probe_stack): Delete.
        (probe_stack_address): New.

2015-01-17  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use TARGET_32BIT
        to test for 32-bit ABIs, not !TARGET_POWERPC64.

2015-01-17  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_parallel_return): New function.
        (rs6000_function_value): Use it.  Handle SCmode and TCmode as well,
        for TARGET_32BIT && TARGET_POWERPC64.  Fix another BITS_PER_WORD
        snafu.
        (rs6000_libcall_value): Use the new function.

2015-01-17  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-ftracer]): Remove duplicate option listing.

2015-01-17  Eric Botcazou  <ebotcazou@adacore.com>

        * reorg.c (fill_simple_delay_slots): If TARGET_FLAGS_REGNUM is valid,
        implement a more precise life analysis for it during backward scan.

2015-01-17  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * dwarf2out.c (gen_producer_string): Ignore also OPT_fpreprocessed.

2015-01-17  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/52773
        * calls.c (emit_library_call_value): When pushing arguments use
        stack_pointer_rtx rather than virtual_outgoing_args_rtx in
        CALL_INSN_FUNCTION_USAGE.  Only emit one of use of the magic
        stack pointer reference into CALL_INSN_FUNCTION_USAGE.

2015-01-17  Jeff Law  <law@redhat.com>

        PR rtl-optimization/32790
        * reginfo.c (reg_scan_mark_refs): Look for ZERO_EXTRACT,
        not ZERO_EXTEND in SET_DESTs.

2015-01-17  Alan Modra  <amodra@gmail.com>

        * cprop.c (do_local_cprop): Revert last change.

2015-01-16  DJ Delorie  <dj@redhat.com>
            Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78-real.md (addqi3_real): Allow volatiles.
        (addhi3_real): Likewise.  Fix [HL+0] syntax.
        (subqi3_real): Likewise.
        (subhi3_real): Likewise.
        (cbranchqi4_real): Likewise.  Allow saddr,#imm.
        (cbranchhi4_real): Likewise.
        (cbranchhi4_real_inverted): Likewise.
        (cbranchsi4_real_lt): Likewise.
        (cbranchsi4_real_ge): Likewise.
        (cbranchsi4_real_ge): Likewise.
        * config/rl78/rl78-virt.md (add<mode>3_virt): Likewise.
        (sub<mode>3_virt): Likewise.
        (cbranchqi4_virt): Likewise.
        (cbranchhi4_virt): Likewise.
        * config/rl78/rl78.c (rl78_print_operand_1): 'p' modifier means
        always use '[reg+imm]' even when imm is zero.
        * config/rl78/predicates.md (rl78_volatile_memory_operand): New.
        (rl78_general_operand): New.
        (rl78_nonimmediate_operand): New.
        (rl78_nonfar_operand): Use them.
        (rl78_nonfar_nonimm_operand): Likewise.
        (rl78_stack_based_mem): Fix.
        * config/rl78/constraints.md (Ibqi): New.
        (IBqi): New.
        (Wsa): New.
        (Wsf): New.
        (Cs1): Fix.
        * config/rl78/rl78-expand.md (andqi3): Accept volatiles.
        (iorqi3): Likewise.
        (xorqi3): Likewise.
        * config/rl78/rl78-protos.h (rl78_sfr_p): New.

        * config/rl78/constrains (Qs8): New constraint.
        * config/rl78/rl78.c (rl78_flags_already_set): New function.
        * config/rl78/rl78-protos.h (rl78_flags_already_set): New prototype.
        * config/rl78/rl78-real.md (update_Z): New attribute.
        Update patterns to set it.
        (cbranchqi4_real): Call rl78_flags_already_set() to determine if a
        shorter compare and branch sequence can be used.
        (cbranchhi4_real): Likewise.
        (cbranchhi4_real_inverted): Likewise.

        * config/rl78/predicates.md (uword_operand): Allow symbol_refs.
        * config/rl78/rl78-c.c (rl78_register_pragmas): Register __near
        address space.
        * config/rl78/rl78.c (rl78_get_name_encoding): New.
        (rl78_option_override): Allow -mes0 only if C.
        (characterize_address): Support subregs of symbol_refs.
        (rl78_addr_space_address_mode): Move.  Add __near.
        (rl78_far_p): Likewise.
        (rl78_addr_space_pointer_mode): Likewise.
        (rl78_as_legitimate_address): Likewise.
        (rl78_addr_space_subset_p): Likewise.
        (rl78_addr_space_convert): Likewise.
        (rl78_print_operand_1): Support 16-bit addressing of 32-bit
        symbols with -mes0.
        (transcode_memory_rtx): Don't copy ES if -mes0.  Allow symbol[BC]
        addressing.
        (rl78_alloc_physical_registers_op1): Change logic to prefer
        symbol[BC] addressing.
        (frodata_section): New.
        (rl78_asm_init_sections): Initialize it.
        (rl78_select_section): Put __far readonly symbols in .frodata.
        (rl78_make_type_far): New.
        (rl78_insert_attributes): Force all readonly symbols to be
        __far when -mes0.
        (rl78_asm_out_integer): New.
        * config/rl78/rl78.h (ADDR_SPACE_NEAR): New.
        * config/rl78/rl78.opt (-mes0): New.

        * config/rl78/rl78.h (ASM_OUTPUT_LABELREF): New.
        (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
        * config/rl78/rl78-protos.h (rl78_output_labelref): New.
        (rl78_saddr_p): New.
        (rl78_output_aligned_common): New.
        * config/rl78/rl78.c (rl78_output_symbol_ref): Strip encodings.
        (rl78_handle_saddr_attribute): New.
        (rl78_handle_naked_attribute): New.
        (rl78_attribute_table): Add saddr.
        (rl78_print_operand_1): Don't print '!' on saddr operands.
        (rl78_print_operand_1): Strip encodings.
        (rl78_sfr_p): New.
        (rl78_strip_name_encoding): New.
        (rl78_attrlist_to_encoding): New.
        (rl78_encode_section_info): New.
        (rl78_asm_init_sections): New.
        (rl78_select_section): New.
        (rl78_output_labelref): New.
        (rl78_output_aligned_common): New.
        (rl78_asm_out_integer): New.
        (rl78_asm_ctor_dtor): New.
        (rl78_asm_constructor): New.
        (rl78_asm_destructor): New.

        * config/rl78/rl78-real.md (movqi_es): Rename to movqi_to_es.
        * config/rl78/rl78.c (rl78_expand_epilogue): Update.
        (transcode_memory_rtx): Update.
        (rl78_expand_epilogue): Use A_REG instead of 0.

2015-01-17  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * config/arm/arm-protos.h (struct tune_params): New field
        sched_autopref_queue_depth.
        * config/arm/arm.c (sched-int.h): Include header.
        (arm_first_cycle_multipass_dfa_lookahead_guard,)
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define hook.
        (arm_slowmul_tune, arm_fastmul_tune, arm_strongarm_tune,)
        (arm_xscale_tune, arm_9e_tune, arm_v6t2_tune, arm_cortex_tune,)
        (arm_cortex_a8_tune, arm_cortex_a7_tune, arm_cortex_a15_tune,)
        (arm_cortex_a53_tune, arm_cortex_a57_tune, arm_xgene1_tune,)
        (arm_cortex_a5_tune, arm_cortex_a9_tune, arm_cortex_a12_tune,)
        (arm_v7m_tune, arm_cortex_m7_tune, arm_v6m_tune, arm_fa726te_tune):
        Specify sched_autopref_queue_depth value.  Enabled for A15 and A57.
        * config/arm/t-arm (arm.o): Update.
        * haifa-sched.c (update_insn_after_change): Update.
        (rank_for_schedule): Use auto-prefetcher model, if requested.
        (autopref_multipass_init): New static function.
        (autopref_rank_for_schedule): New rank_for_schedule heuristic.
        (autopref_multipass_dfa_lookahead_guard_started_dump_p): New static
        variable for debug dumps.
        (autopref_multipass_dfa_lookahead_guard_1): New static helper function.
        (autopref_multipass_dfa_lookahead_guard): New global function that
        implements TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD hook.
        (init_h_i_d): Update.
        * params.def (PARAM_SCHED_AUTOPREF_QUEUE_DEPTH): New tuning knob.
        * sched-int.h (enum autopref_multipass_data_status): New const enum.
        (autopref_multipass_data_): Structure for auto-prefetcher data.
        (autopref_multipass_data_def, autopref_multipass_data_t): New typedefs.
        (struct _haifa_insn_data:autopref_multipass_data): New field.
        (INSN_AUTOPREF_MULTIPASS_DATA): New access macro.
        (autopref_multipass_dfa_lookahead_guard): Declare.

2015-01-17  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * rtlanal.c (get_base_term): Handle SCRATCH.

2015-01-17  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * config/aarch64/aarch64.c
        (aarch64_sched_first_cycle_multipass_dfa_lookahead): Implement hook.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define.
        * config/arm/arm.c
        (arm_first_cycle_multipass_dfa_lookahead): Implement hook.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define.

2015-01-17  Alan Modra  <amodra@gmail.com>

        * cprop.c (do_local_cprop): Disallow replacement of fixed
        hard registers.

2015-01-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/62066
        * config/arm/arm-builtins.c (arm_expand_neon_args): Call va_end before
        early return 0.

2015-01-16  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * sanitizer.def (BUILT_IN_TSAN_VPTR_UPDATE): Fixed parameters.
        * tsan.c (instrument_expr): Fixed parameters of __tsan_vptr_update.

2015-01-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.md: Move comment about splitting Thumb1 patterns to...
        * config/arm/thumb1.md: ... Here.

2015-01-16  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Disallow
        TImode for TARGET_32BIT.

2015-01-16  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (TARGET_LIBGCC_CMP_RETURN_MODE,
        TARGET_LIBGCC_SHIFT_COUNT_MODE, TARGET_UNWIND_WORD_MODE): Implement
        as ...
        (rs6000_abi_word_mode): New function.

2015-01-16  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_va_start): Use MIN_UNITS_PER_WORD
        instead of UNITS_PER_WORD to describe the size of stack slots.

2015-01-16  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (TARGET_PROMOTE_FUNCTION_MODE): Implement
        as rs6000_promote_function_mode.  Move comment to there.
        (rs6000_promote_function_mode): New function.

2015-01-16  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.h (PROMOTE_MODE): Correct test for when -m32
        -mpowerpc64 is active.

2015-01-16  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR middle-end/64353
        * tree-cfg.c (pass_data_fixup_cfg): Update SSA for
        virtuals on start.

2015-01-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/cortex-a57.md: Remove duplicate of file accidentally
        introduced in revision 219724.

2015-01-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
            Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>

        PR target/64263
        * config/aarch64/aarch64.md (*movsi_aarch64): Don't split if the
        destination is not a GP reg.
        (*movdi_aarch64): Likewise.

2015-01-16  David Edelsohn  <dje.gcc@gmail.com>

        PR target/64623
        * config/rs6000/default64.h: Revert ISA change.

2015-01-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/64614
        * tree-ssa-uninit.c: Include tree-cfg.h.
        (MAX_SWITCH_CASES): New define.
        (convert_control_dep_chain_into_preds): Handle switch statements.
        (is_pred_expr_subset_of): Handle x == CST vs. (x & CST) != 0.
        (normalize_one_pred_1): Do not split bit-manipulations.
        Record (x & CST).

2015-01-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64568
        * tree-ssa-forwprop.c (pass_forwprop::execute): Guard
        complex load rewriting for TARGET_MEM_REFs.

2015-01-16  Uros Bizjak  <ubizjak@gmail.com>

        * builtins.c (expand_builtin_acc_on_device): Check target for NULL.

2015-01-16  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/64149
        * config/aarch64/aarch64.opt: Remove lra option and aarch64_lra_flag
        variable.
        * config/aarch64/aarch64.c (TARGET_LRA_P): Set to hook_bool_void_true.
        (aarch64_lra_p): Remove.

2015-01-16  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR target/64363
        * ipa-chkp.h (chkp_instrumentable_p): New.
        * ipa-chkp.c: Include tree-inline.h.
        (chkp_instrumentable_p): New.
        (chkp_maybe_create_clone): Use chkp_instrumentable_p.
        Fix processing of not instrumentable functions.
        (chkp_versioning): Use chkp_instrumentable_p. Warn about
        not instrumentable functions.
        * tree-chkp.c (chkp_add_bounds_to_call_stmt): Use
        chkp_instrumentable_p.
        * tree-inline.h (copy_forbidden): New.
        * tree-inline.c (copy_forbidden): Not static anymore.

2015-01-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * optc-save-gen.awk (cl_target_option_print_diff): Mark indent,
        ptr1, ptr2 unused.

2015-01-16  Robert Suchanek  <robert.suchanek@imgtec.com>

        * lra-constraints.c (curr_insn_transform): Change a reload pseudo of
        type OP_OUT to OP_INOUT.

2015-01-16  Robert Suchanek  <robert.suchanek@imgtec.com>

        * simplify-rtx.c (simplify_replace_fn_rtx): Simplify (lo_sum
        (high x) y) to y if x and y have the same base.

2015-01-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/cortex-a57.md: New.
        * config/aarch64/aarch64.md: Include it.
        * config/aarch64/aarch64-cores.def (cortex-a57): Tune for it.
        * config/aarch64/aarch64-tune.md: Regenerate.

2015-01-16  Zhenqiang Chen  <zhenqiang.chen@arm.com>

        PR target/64015
        * ccmp.c (expand_ccmp_next): New function.
        (expand_ccmp_expr_1, expand_ccmp_expr): Handle operand insn sequence
        and compare insn sequence.
        * config/aarch64/aarch64.c (aarch64_code_to_ccmode,
        aarch64_gen_ccmp_first, aarch64_gen_ccmp_next): New functions.
        (TARGET_GEN_CCMP_FIRST, TARGET_GEN_CCMP_NEXT): New MICRO.
        * config/aarch64/aarch64.md (*ccmp_and): Changed to ccmp_and<mode>.
        (*ccmp_ior): Changed to ccmp_ior<mode>.
        (cmp<mode>): New pattern.
        * doc/tm.texi (TARGET_GEN_CCMP_FIRST, TARGET_GEN_CCMP_NEXT): Update
        parameters.
        * target.def (gen_ccmp_first, gen_ccmp_next): Update parameters.

2015-01-16  Ilya Tocar  <ilya.tocar@intel.com>

        * config/i386/avx2intrin.h (_mm256_bslli_epi128,
        _mm256_bsrli_epi128): New.
        * config/i386/emmintrin.h (_mm_bsrli_si128, _mm_bslli_si128): Ditto.

2015-01-15  Jiong Wang  <jiong.wang@arm.com>

        * expmed.c (store_bit_field_using_insv): Improve warning message.
        Use %wu instead of HOST_WIDE_INT_PRINT_UNSIGNED.

2015-01-15  Jiong Wang  <jiong.wang@arm.com>

        PR rtl-optimization/64011
        * expmed.c (store_bit_field_using_insv): Warn and truncate bitsize when
        there is partial overflow.

2015-01-16  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32-protos.h (nds32_expand_epilogue): Change
        prototype.
        (nds32_expand_epilogue_v3pop): Likewise.
        * config/nds32/nds32.md (sibcall): Define this for sibling call
        optimization.
        (sibcall_register): Likewise.
        (sibcall_immediate): Likewise.
        (sibcall_value): Likewise.
        (sibcall_value_register): Likewise.
        (sibcall_value_immediate): Likewise.
        (sibcall_epilogue): Likewise.
        (epilogue): Pass false to indicate this is not a sibcall epilogue.
        * config/nds32/nds32.c (nds32_expand_epilogue): Consider sibcall case.
        (nds32_expand_epilogue_v3pop): Likewise.

2015-01-16  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32-protos.h (nds32_can_use_return_insn): New.
        * config/nds32/nds32.md (unspec_volatile_func_return): Remove.
        (return_internal): New.
        (return): Define this named pattern.
        (simple_return): Define this named pattern.
        * config/nds32/nds32.c (nds32_expand_epilogue): Emit return_internal
        pattern instead of unspec_volatile_func_return.
        (nds32_expand_epilogue_v3pop): Likewise.
        (nds32_can_use_return_insn): New function.

2015-01-16  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/constants.md (UNSPEC_VOLATILE_POP25_RETURN): New.
        * config/nds32/nds32.md (pop25return): New.
        * config/nds32/nds32.c (nds32_expand_epilogue_v3pop): Emit
        pop25return pattern.

2015-01-16  Chung-Ju Wu  <jasonwucj@gmail.com>

        * doc/invoke.texi (NDS32 Options): Remove -mforce-fp-as-gp,
        -mforbid-fp-as-gp, and -mex9 options.

2015-01-16  Chung-Ju Wu  <jasonwucj@gmail.com>

        * doc/invoke.texi (NDS32 Options): Add -mcmodel= option and
        remove -mgp-direct option.

2015-01-15  Jan Hubicka  <hubicka@ucw.cz>

        * doc/invoke.texi (--param early-inlining-insns): Update default value.
        * params.def (PARAM_EARLY_INLINING_INSNS): Set to 14.

2015-01-15  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.c (inline_small_functions): Work around hints
        cache issue.

2015-01-15  Sandra Loosemore  <sandra@codesourcery.com>

        PR target/59710
        * doc/invoke.texi (Option Summary): Document new Nios II
        -mgpopt= syntax.
        (Nios II Options): Likewise.
        * config/nios2/nios2.opt: Add -mgpopt= option support.
        Modify existing -mgpopt and -mno-gpopt options to be aliases.
        * config/nios2/nios2-opts.h (enum nios2_gpopt_type): New.
        * config/nios2/nios2.c (nios2_option_override): Adjust
        -mgpopt defaulting.
        (nios2_in_small_data_p): Return true for explicit small data
        sections even with -G0.
        (nios2_symbol_ref_in_small_data_p): Adjust to handle new -mgpopt=
        option choices.

2015-01-15  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64612
        * ipa-inline-transform.c (can_remove_node_now_p): Fix handling
        of comdat locals.
        (inline_call): Fix removal of aliases.

2015-01-15  Jakub Jelinek  <jakub@redhat.com>

        * flag-types.h (enum sanitize_code): Add SANITIZE_VPTR,
        include SANITIZE_VPTR in SANITIZE_UNDEFINED.
        * opts.c (common_handle_option): Add -fsanitize=vptr.
        * sanitizer.def (BUILT_IN_UBSAN_HANDLE_DYNAMIC_TYPE_CACHE_MISS,
        BUILT_IN_UBSAN_HANDLE_DYNAMIC_TYPE_CACHE_MISS_ABORT): New.
        * ubsan.h (enum ubsan_null_ckind): Add UBSAN_DOWNCAST_POINTER,
        UBSAN_DOWNCAST_REFERENCE, UBSAN_UPCAST and UBSAN_CAST_TO_VBASE.
        (ubsan_expand_vptr_ifn): New prototype.
        * internal-fn.c (expand_ANNOTATE, expand_GOMP_SIMD_LANE,
        expand_GOMP_SIMD_VF, expand_GOMP_SIMD_LAST_LANE, expand_UBSAN_NULL,
        expand_UBSAN_BOUNDS, expand_UBSAN_OBJECT_SIZE, expand_ASAN_CHECK,
        expand_LOOP_VECTORIZED): Make argument nameless, remove
        ATTRIBUTE_UNUSED.
        (expand_UBSAN_VPTR): New function.
        * internal-fn.def (UBSAN_NULL, ASAN_CHECK): Use R instead of W
        in fn spec.
        (UBSAN_VPTR): New internal function.
        * sanopt.c (tree_map_traits): Renamed to ...
        (sanopt_tree_map_traits): ... this.
        (sanopt_tree_triplet, sanopt_tree_triplet_map_traits): New classes.
        (sanopt_ctx): Adjust asan_check_map type for tree_map_traits
        to sanopt_tree_map_traits renaming.  Add vptr_check_map field.
        (maybe_optimize_ubsan_vptr_ifn): New function.
        (sanopt_optimize_walker): Handle IFN_UBSAN_VPTR.
        (pass_sanopt::execute): Likewise.  Call sanopt_optimize even for
        -fsanitize=vptr.
        * tree-ssa-alias.c (call_may_clobber_ref_p_1): Handle certain
        internal calls like pure functions for aliasing, even when they
        have other side-effects that prevent making them ECF_PURE.
        * ubsan.c (ubsan_vptr_type_cache_decl): New variable.
        (ubsan_expand_vptr_ifn): New function.

2015-01-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/64110
        * stmt.c (parse_output_constraint): Process '^' and '$'.
        (parse_input_constraint): Ditto.
        * lra-constraints.c (process_alt_operands): Process the new
        constraints.
        * ira-costs.c (record_reg_classes): Process the new constraint
        '^'.
        * genoutput.c (indep_constraints): Add '^' and '$'.
        * config/i386/sse.md (*vec_dup<mode>): Use '$' instead of '!'.
        * doc/md.texi: Add description of the new constraints.

2015-01-15  Thomas Schwinge  <thomas@codesourcery.com>
            Bernd Schmidt  <bernds@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>
            Tom de Vries  <tom@codesourcery.com>
            Ilmir Usmanov  <i.usmanov@samsung.com>
            Dmitry Bocharnikov  <dmitry.b@samsung.com>
            Evgeny Gavrin  <e.gavrin@samsung.com>
            Jakub Jelinek  <jakub@redhat.com>

        * builtin-types.def (BT_FN_VOID_INT_INT_VAR)
        (BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR)
        (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR):
        New function types.
        * builtins.c: Include "gomp-constants.h".
        (expand_builtin_acc_on_device): New function.
        (expand_builtin, is_inexpensive_builtin): Handle
        BUILT_IN_ACC_ON_DEVICE.
        * builtins.def (DEF_GOACC_BUILTIN, DEF_GOACC_BUILTIN_COMPILER):
        New macros.
        * cgraph.c (cgraph_node::create): Consider flag_openacc next to
        flag_openmp.
        * config.gcc <nvptx-*> (tm_file): Add nvptx/offload.h.
        <*-intelmic-* | *-intelmicemul-*> (tm_file): Add
        i386/intelmic-offload.h.
        * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): For -fopenacc, link
        to libgomp and its dependencies.
        * config/arc/arc.h (LINK_COMMAND_SPEC): Likewise.
        * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
        * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
        * config/ia64/hpux.h (LIB_SPEC): Likewise.
        * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
        * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
        * doc/generic.texi: Update for OpenACC changes.
        * doc/gimple.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * gimple-pretty-print.c (dump_gimple_omp_for): Handle
        GF_OMP_FOR_KIND_OACC_LOOP.
        (dump_gimple_omp_target): Handle GF_OMP_TARGET_KIND_OACC_KERNELS,
        GF_OMP_TARGET_KIND_OACC_PARALLEL, GF_OMP_TARGET_KIND_OACC_DATA,
        GF_OMP_TARGET_KIND_OACC_UPDATE,
        GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
        Dump more data.
        * gimple.c: Update comments for OpenACC changes.
        * gimple.def: Likewise.
        * gimple.h: Likewise.
        (enum gf_mask): Add GF_OMP_FOR_KIND_OACC_LOOP,
        GF_OMP_TARGET_KIND_OACC_PARALLEL, GF_OMP_TARGET_KIND_OACC_KERNELS,
        GF_OMP_TARGET_KIND_OACC_DATA, GF_OMP_TARGET_KIND_OACC_UPDATE,
        GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
        (gimple_omp_for_cond, gimple_omp_for_set_cond): Sort in the
        appropriate place.
        (is_gimple_omp_oacc, is_gimple_omp_offloaded): New functions.
        * gimplify.c: Include "gomp-constants.h".
        Update comments for OpenACC changes.
        (is_gimple_stmt): Handle OACC_PARALLEL, OACC_KERNELS, OACC_DATA,
        OACC_HOST_DATA, OACC_DECLARE, OACC_UPDATE, OACC_ENTER_DATA,
        OACC_EXIT_DATA, OACC_CACHE, OACC_LOOP.
        (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
        OMP_CLAUSE__CACHE_, OMP_CLAUSE_ASYNC, OMP_CLAUSE_WAIT,
        OMP_CLAUSE_NUM_GANGS, OMP_CLAUSE_NUM_WORKERS,
        OMP_CLAUSE_VECTOR_LENGTH, OMP_CLAUSE_GANG, OMP_CLAUSE_WORKER,
        OMP_CLAUSE_VECTOR, OMP_CLAUSE_DEVICE_RESIDENT,
        OMP_CLAUSE_USE_DEVICE, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
        OMP_CLAUSE_SEQ.
        (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Use
        GOMP_MAP_* instead of OMP_CLAUSE_MAP_*.  Use
        OMP_CLAUSE_SET_MAP_KIND.
        (gimplify_oacc_cache): New function.
        (gimplify_omp_for): Handle OACC_LOOP.
        (gimplify_omp_workshare): Handle OACC_KERNELS, OACC_PARALLEL,
        OACC_DATA.
        (gimplify_omp_target_update): Handle OACC_ENTER_DATA,
        OACC_EXIT_DATA, OACC_UPDATE.
        (gimplify_expr): Handle OACC_LOOP, OACC_CACHE, OACC_HOST_DATA,
        OACC_DECLARE, OACC_KERNELS, OACC_PARALLEL, OACC_DATA,
        OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_UPDATE.
        (gimplify_body): Consider flag_openacc next to flag_openmp.
        * lto-streamer-out.c: Include "gomp-constants.h".
        * omp-builtins.def (BUILT_IN_ACC_GET_DEVICE_TYPE)
        (BUILT_IN_GOACC_DATA_START, BUILT_IN_GOACC_DATA_END)
        (BUILT_IN_GOACC_ENTER_EXIT_DATA, BUILT_IN_GOACC_PARALLEL)
        (BUILT_IN_GOACC_UPDATE, BUILT_IN_GOACC_WAIT)
        (BUILT_IN_GOACC_GET_THREAD_NUM, BUILT_IN_GOACC_GET_NUM_THREADS)
        (BUILT_IN_ACC_ON_DEVICE): New builtins.
        * omp-low.c: Include "gomp-constants.h".
        Update comments for OpenACC changes.
        (struct omp_context): Add reduction_map, gwv_below, gwv_this
        members.
        (extract_omp_for_data, use_pointer_for_field, install_var_field)
        (new_omp_context, delete_omp_context, scan_sharing_clauses)
        (create_omp_child_function, scan_omp_for, scan_omp_target)
        (check_omp_nesting_restrictions, lower_reduction_clauses)
        (build_omp_regions_1, diagnose_sb_0, make_gimple_omp_edges):
        Update for OpenACC changes.
        (scan_sharing_clauses): Handle OMP_CLAUSE_NUM_GANGS:
        OMP_CLAUSE_NUM_WORKERS: OMP_CLAUSE_VECTOR_LENGTH,
        OMP_CLAUSE_ASYNC, OMP_CLAUSE_WAIT, OMP_CLAUSE_GANG,
        OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, OMP_CLAUSE_DEVICE_RESIDENT,
        OMP_CLAUSE_USE_DEVICE, OMP_CLAUSE__CACHE_, OMP_CLAUSE_INDEPENDENT,
        OMP_CLAUSE_AUTO, OMP_CLAUSE_SEQ.  Use GOMP_MAP_* instead of
        OMP_CLAUSE_MAP_*.
        (expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
        Handle GF_OMP_FOR_KIND_OACC_LOOP.
        (expand_omp_target, lower_omp_target): Handle
        GF_OMP_TARGET_KIND_OACC_PARALLEL, GF_OMP_TARGET_KIND_OACC_KERNELS,
        GF_OMP_TARGET_KIND_OACC_UPDATE,
        GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA,
        GF_OMP_TARGET_KIND_OACC_DATA.
        (pass_expand_omp::execute, execute_lower_omp)
        (pass_diagnose_omp_blocks::gate): Consider flag_openacc next to
        flag_openmp.
        (offload_symbol_decl): New variable.
        (oacc_get_reduction_array_id, oacc_max_threads)
        (get_offload_symbol_decl, get_base_type, lookup_oacc_reduction)
        (maybe_lookup_oacc_reduction, enclosing_target_ctx)
        (oacc_loop_or_target_p, oacc_lower_reduction_var_helper)
        (oacc_gimple_assign, oacc_initialize_reduction_data)
        (oacc_finalize_reduction_data, oacc_process_reduction_data): New
        functions.
        (is_targetreg_ctx): Remove function.
        * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CACHE_,
        OMP_CLAUSE_DEVICE_RESIDENT, OMP_CLAUSE_USE_DEVICE,
        OMP_CLAUSE_GANG, OMP_CLAUSE_ASYNC, OMP_CLAUSE_WAIT,
        OMP_CLAUSE_AUTO, OMP_CLAUSE_SEQ, OMP_CLAUSE_INDEPENDENT,
        OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, OMP_CLAUSE_NUM_GANGS,
        OMP_CLAUSE_NUM_WORKERS, OMP_CLAUSE_VECTOR_LENGTH.
        * tree.c (omp_clause_code_name, walk_tree_1): Update accordingly.
        * tree.h (OMP_CLAUSE_GANG_EXPR, OMP_CLAUSE_GANG_STATIC_EXPR)
        (OMP_CLAUSE_ASYNC_EXPR, OMP_CLAUSE_WAIT_EXPR)
        (OMP_CLAUSE_VECTOR_EXPR, OMP_CLAUSE_WORKER_EXPR)
        (OMP_CLAUSE_NUM_GANGS_EXPR, OMP_CLAUSE_NUM_WORKERS_EXPR)
        (OMP_CLAUSE_VECTOR_LENGTH_EXPR): New macros.
        * tree-core.h: Update comments for OpenACC changes.
        (enum omp_clause_map_kind): Remove.
        (struct tree_omp_clause): Change type of map_kind member from enum
        omp_clause_map_kind to unsigned char.
        * tree-inline.c: Update comments for OpenACC changes.
        * tree-nested.c: Likewise.  Include "gomp-constants.h".
        (convert_nonlocal_reference_stmt, convert_local_reference_stmt)
        (convert_tramp_reference_stmt, convert_gimple_call): Update for
        OpenACC changes.  Use GOMP_MAP_* instead of OMP_CLAUSE_MAP_*.  Use
        OMP_CLAUSE_SET_MAP_KIND.
        * tree-pretty-print.c: Include "gomp-constants.h".
        (dump_omp_clause): Handle OMP_CLAUSE_DEVICE_RESIDENT,
        OMP_CLAUSE_USE_DEVICE, OMP_CLAUSE__CACHE_, OMP_CLAUSE_GANG,
        OMP_CLAUSE_ASYNC, OMP_CLAUSE_AUTO, OMP_CLAUSE_SEQ,
        OMP_CLAUSE_WAIT, OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR,
        OMP_CLAUSE_NUM_GANGS, OMP_CLAUSE_NUM_WORKERS,
        OMP_CLAUSE_VECTOR_LENGTH, OMP_CLAUSE_INDEPENDENT.  Use GOMP_MAP_*
        instead of OMP_CLAUSE_MAP_*.
        (dump_generic_node): Handle OACC_PARALLEL, OACC_KERNELS,
        OACC_DATA, OACC_HOST_DATA, OACC_DECLARE, OACC_UPDATE,
        OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_CACHE, OACC_LOOP.
        * tree-streamer-in.c: Include "gomp-constants.h".
        (unpack_ts_omp_clause_value_fields) Use GOMP_MAP_* instead of
        OMP_CLAUSE_MAP_*.  Use OMP_CLAUSE_SET_MAP_KIND.
        * tree-streamer-out.c: Include "gomp-constants.h".
        (pack_ts_omp_clause_value_fields): Use GOMP_MAP_* instead of
        OMP_CLAUSE_MAP_*.
        * tree.def (OACC_PARALLEL, OACC_KERNELS, OACC_DATA)
        (OACC_HOST_DATA, OACC_LOOP, OACC_CACHE, OACC_DECLARE)
        (OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_UPDATE): New tree codes.
        * tree.c (omp_clause_num_ops): Update accordingly.
        * tree.h (OMP_BODY, OMP_CLAUSES, OMP_LOOP_CHECK, OMP_CLAUSE_SIZE):
        Likewise.
        (OACC_PARALLEL_BODY, OACC_PARALLEL_CLAUSES, OACC_KERNELS_BODY)
        (OACC_KERNELS_CLAUSES, OACC_DATA_BODY, OACC_DATA_CLAUSES)
        (OACC_HOST_DATA_BODY, OACC_HOST_DATA_CLAUSES, OACC_CACHE_CLAUSES)
        (OACC_DECLARE_CLAUSES, OACC_ENTER_DATA_CLAUSES)
        (OACC_EXIT_DATA_CLAUSES, OACC_UPDATE_CLAUSES)
        (OACC_KERNELS_COMBINED, OACC_PARALLEL_COMBINED): New macros.
        * tree.h (OMP_CLAUSE_MAP_KIND): Cast it to enum gomp_map_kind.
        (OMP_CLAUSE_SET_MAP_KIND): New macro.
        * varpool.c (varpool_node::get_create): Consider flag_openacc next
        to flag_openmp.
        * config/i386/intelmic-offload.h: New file.
        * config/nvptx/offload.h: Likewise.

2015-01-15  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * explow.h: Remove duplicate contents.
        * dojump.h: Likewise.

2015-01-15  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_xgene_tune): Add default initializer for instruction
        fusion.

2015-01-15  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64068
        PR ipa/64559
        * ipa.c (symbol_table::remove_unreachable_nodes):
        Do not put abstract origins into boundary.

2015-01-15  Evgeny Stupachenko  <evstupac@gmail.com>

        * config/i386/gnu-user.h (CRT_GET_RFIB_DATA): Remove EBX register usage.
        * config/i386/sysv4.h (CRT_GET_RFIB_DATA): Ditto.

2015-01-15  Steve Ellcey  <sellcey@mips.com>

        * Makefile.in (PLUGIN_HEADERS): Add dominance.h, cfg.h, cfgrtl.h,
        cfganal.h, cfgbuild.h, cfgcleanup.h, lcm.h, cfgloopmanip.h,
        builtins.def, and chkp-builtins.def.

2015-01-15  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/default64.h (TARGET_DEFAULT) [LITTLE_ENDIAN]: Use
        ISA 2.7 (POWER8).

2015-01-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/61743
        * tree-ssa-pre.c (insert_into_preds_of_block): Preserve range
        information on PHIs for some simple cases.

2015-01-15  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

        * config/arm/arm.md (generic_sched): Specify xgene1 in 'no' list.
        Include xgene1.md.
        * config/arm/arm.c (arm_issue_rate): Specify 4 for xgene1.
        * config/arm/arm-cores.def (xgene1): New entry.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Specify mcpu=xgene1.

2015-01-15  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * tree-if-conv.c: Include hash-map.h.
        (aggressive_if_conv): New variable.
        (fold_build_cond_expr): Add simplification of non-zero condition.
        (add_to_dst_predicate_list): Invoke add_to_predicate_list if edge
        destination block is not always executed.
        (if_convertible_phi_p): Fix commentary, allow phi nodes have more
        than two predecessors if AGGRESSIVE_IF_CONV is true.
        (if_convertible_stmt_p): Fix commentary.
        (all_preds_critical_p): New function.
        (has_pred_critical_p): New function.
        (if_convertible_bb_p): Fix commentary, if AGGRESSIVE_IF_CONV is true
        BB can have more than two predecessors and all incoming edges can be
        critical.
        (predicate_bbs): Skip predication for loop exit block, use build2_loc
        to compute predicate for true edge.
        (find_phi_replacement_condition): Delete this function.
        (is_cond_scalar_reduction): Add arguments ARG_0, ARG_1 and EXTENDED.
        Allow interchange PHI arguments if EXTENDED is false.
        Change check that block containing reduction statement candidate
        is predecessor of phi-block since phi may have more than two arguments.
        (phi_args_hash_traits): New helper structure.
        (struct phi_args_hash_traits): New type.
        (phi_args_hash_traits::hash): New function.
        (phi_args_hash_traits::equal_keys): New function.
        (gen_phi_arg_condition): New function.
        (predicate_scalar_phi): Add handling of phi nodes with more than two
        arguments, delete COND and TRUE_BB arguments, insert body of
        find_phi_replacement_condition to predicate ordinary phi nodes.
        (predicate_all_scalar_phis): Skip blocks with the only predecessor,
        delete call of find_phi_replacement_condition and invoke
        predicate_scalar_phi with two arguments.
        (insert_gimplified_predicates): Add assert that non-predicated block
        don't have statements to insert.
        (ifcvt_split_critical_edges): New function.
        (ifcvt_split_def_stmt): Likewise.
        (ifcvt_walk_pattern_tree): Likewise.
        (stmt_is_root_of_bool_pattern): Likewise.
        (ifcvt_repair_bool_pattern): Likewise.
        (ifcvt_local_dce): Likewise.
        (tree_if_conversion): Add initialization of AGGRESSIVE_IF_CONV which
        is copy of inner or outer loop force_vectorize field, invoke
        ifcvt_split_critical_edges, ifcvt_local_dce and
        ifcvt_repair_bool_pattern for aggressive if-conversion.

2015-01-15  Philipp Tomsich  <ptomsich@theobroma-systems.com>

        * config/aarch64/aarch64.md: Include xgene1.md.
        * config/aarch64/xgene1.md: New file.

2015-01-15  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

        * config/aarch64/aarch64-cores.def (xgene1): Update/add the
        xgene1 (APM XGene-1) core definition.
        * config/aarch64/aarch64.c: Add cost tables for APM XGene-1
        * config/arm/aarch-cost-tables.h: Add cost tables for APM XGene-1
        * doc/invoke.texi: Document -mcpu=xgene1.

2015-01-15  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * dojump.h: New header file.
        * explow.h: Likewise.
        * expr.h: Remove includes.
        Move expmed.c prototypes to expmed.h.
        Move dojump.c prototypes to dojump.h.
        Move alias.c prototypes to alias.h.
        Move explow.c prototypes to explow.h.
        Move calls.c prototypes to calls.h.
        Move emit-rtl.c prototypes to emit-rtl.h.
        Move varasm.c prototypes to varasm.h.
        Move stmt.c prototypes to stmt.h.
        (saved_pending_stack_adjust): Move to dojump.h.
        (adjust_address): Move to explow.h.
        (adjust_address_nv): Move to emit-rtl.h.
        (adjust_bitfield_address): Likewise.
        (adjust_bitfield_address_size): Likewise.
        (adjust_bitfield_address_nv): Likewise.
        (adjust_automodify_address_nv): Likewise.
        * explow.c (expr_size): Move to expr.c.
        (int_expr_size): Likewise.
        (tree_expr_size): Likewise.
        Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h statistics.h stmt.h varasm.h.
        * genemit.c (main): Generate includes statistics.h, real.h,
        fixed-value.h, insn-config.h, expmed.h, dojump.h, explow.h, emit-rtl.h,
        stmt.h.
        * genopinit.c (main): Generate includes hashtab.h, hard-reg-set.h,
        function.h, statistics.h, real.h, fixed-value.h, expmed.h, dojump.h,
        explow.h, emit-rtl.h, stmt.h.
        * genoutput.c (main): Generate includes hashtab.h, statistics.h, real.h,
        fixed-value.h, expmed.h, dojump.h, explow.h, emit-rtl.h, stmt.h.
        * genemit.c (open_base_files): Generate includes flags.h, statistics.h,
        real.h, fixed-value.h, tree.h, expmed.h, dojump.h, explow.h, calls.h,
        emit-rtl.h, varasm.h, stmt.h.
        * config/tilepro/gen-mul-tables.cc: Generate includes hashtab.h,
        hash-set.h, vec.h, machmode.h, tm.h, hard-reg-set.h, input.h,
        function.h, rtl.h, flags.h, statistics.h, double-int.h, real.h,
        fixed-value.h, alias.h, wide-int.h, inchash.h, tree.h, insn-config.h,
        expmed.h, dojump.h, explow.h, calls.h, emit-rtl.h, varasm.h, stmt.h.
        * config/tilegx/mul-tables.c: Include alias.h calls.h dojump.h
        double-int.h emit-rtl.h explow.h expmed.h fixed-value.h flags.h
        function.h hard-reg-set.h hash-set.h hashtab.h inchash.h input.h
        insn-config.h machmode.h real.h rtl.h statistics.h stmt.h symtab.h
        tm.h tree.h varasm.h vec.h wide-int.h.
        * rtlhooks.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
        explow.h expmed.h fixed-value.h flags.h function.h hard-reg-set.h
        hash-set.h hashtab.h inchash.h input.h insn-config.h machmode.h
        real.h statistics.h stmt.h tree.h varasm.h vec.h wide-int.h.
        * cfgloopanal.c: Include alias.h calls.h dojump.h double-int.h
        emit-rtl.h explow.h expmed.h fixed-value.h flags.h inchash.h
        insn-config.h real.h statistics.h stmt.h tree.h varasm.h wide-int.h.
        * loop-iv.c: Likewise.
        * lra-assigns.c: Include alias.h calls.h dojump.h double-int.h
        emit-rtl.h explow.h expmed.h fixed-value.h flags.h inchash.h real.h
        statistics.h stmt.h tree.h varasm.h wide-int.h.
        * lra-constraints.c: Likewise.
        * lra-eliminations.c: Likewise.
        * lra-lives.c: Likewise.
        * lra-remat.c: Likewise.
        * bt-load.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
        explow.h expmed.h fixed-value.h inchash.h insn-config.h real.h
        statistics.h stmt.h tree.h varasm.h wide-int.h.
        * hw-doloop.c: Likewise.
        * ira-color.c: Likewise.
        * ira-emit.c: Likewise.
        * loop-doloop.c: Likewise.
        * loop-invariant.c: Likewise.
        * reload.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
        explow.h expmed.h fixed-value.h inchash.h real.h rtl.h
        statistics.h stmt.h tree.h varasm.h wide-int.h.
        * caller-save.c: Include alias.h calls.h dojump.h double-int.h
        emit-rtl.h explow.h expmed.h fixed-value.h inchash.h real.h
        statistics.h stmt.h tree.h varasm.h wide-int.h.
        * combine-stack-adj.c: Likewise.
        * cse.c: Likewise.
        * ddg.c: Likewise.
        * ifcvt.c: Likewise.
        * ira-costs.c: Likewise.
        * jump.c: Likewise.
        * lra-coalesce.c: Likewise.
        * lra-spills.c: Likewise.
        * profile.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
        explow.h expmed.h fixed-value.h insn-config.h real.h statistics.h
        stmt.h varasm.h wide-int.h.
        * lra.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
        explow.h expmed.h fixed-value.h real.h statistics.h stmt.h
        varasm.h.
        * config/sh/sh_treg_combine.cc: Include alias.h calls.h dojump.h
        double-int.h explow.h expmed.h fixed-value.h flags.h real.h
        statistics.h stmt.h varasm.h wide-int.h.
        * reorg.c: Include alias.h calls.h dojump.h double-int.h explow.h
        expmed.h fixed-value.h inchash.h real.h statistics.h stmt.h tree.h
        varasm.h wide-int.h.
        * reload1.c: Include alias.h calls.h dojump.h double-int.h explow.h
        expmed.h fixed-value.h real.h rtl.h statistics.h stmt.h varasm.h.
        * config/tilegx/tilegx.c: Include alias.h dojump.h double-int.h
        emit-rtl.h explow.h expmed.h fixed-value.h flags.h real.h
        statistics.h stmt.h.
        * config/tilepro/tilepro.c: Likewise.
        * config/mmix/mmix.c: Include alias.h dojump.h double-int.h emit-rtl.h
        explow.h expmed.h fixed-value.h real.h statistics.h stmt.h.
        * config/pdp11/pdp11.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * config/lm32/lm32.c: Include alias.h dojump.h double-int.h emit-rtl.h
        explow.h expmed.h fixed-value.h real.h statistics.h stmt.h
        varasm.h.
        * tree-chkp.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h flags.h function.h hard-reg-set.h hashtab.h
        insn-config.h real.h rtl.h statistics.h stmt.h tm.h.
        * cilk-common.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h flags.h function.h hard-reg-set.h hashtab.h
        insn-config.h real.h rtl.h statistics.h stmt.h tm.h varasm.h.
        * rtl-chkp.c: Likewise.
        * tree-chkp-opt.c: Likewise.
        * config/arm/arm-builtins.c: Include calls.h dojump.h emit-rtl.h
        explow.h expmed.h fixed-value.h flags.h function.h hard-reg-set.h
        hashtab.h insn-config.h real.h statistics.h stmt.h varasm.h.
        * ipa-icf.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h flags.h hashtab.h insn-config.h real.h rtl.h
        statistics.h stmt.h.
        * tree-vect-data-refs.c: Likewise.
        * graphite-sese-to-poly.c: Include calls.h dojump.h emit-rtl.h explow.h
        expmed.h fixed-value.h flags.h hashtab.h insn-config.h real.h
        rtl.h statistics.h stmt.h varasm.h.
        * internal-fn.c: Likewise.
        * ipa-icf-gimple.c: Likewise.
        * lto-section-out.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-predcom.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-ssa-strlen.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-slp.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tsan.c: Likewise.
        * targhooks.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h flags.h hashtab.h insn-config.h real.h statistics.h
        stmt.h.
        * config/sh/sh-mem.cc: Include calls.h dojump.h emit-rtl.h explow.h
        expmed.h fixed-value.h flags.h hashtab.h insn-config.h real.h
        statistics.h stmt.h varasm.h.
        * loop-unroll.c: Likewise.
        * ubsan.c: Likewise.
        * tree-ssa-loop-prefetch.c: Include calls.h dojump.h emit-rtl.h explow.h
        expmed.h fixed-value.h flags.h hashtab.h real.h rtl.h statistics.h
        stmt.h varasm.h.
        * dse.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h function.h hashtab.h statistics.h stmt.h varasm.h.
        * tree-switch-conversion.c: Include calls.h dojump.h emit-rtl.h explow.h
        expmed.h fixed-value.h hashtab.h insn-config.h real.h rtl.h
        statistics.h stmt.h.
        * generic-match-head.c: Include calls.h dojump.h emit-rtl.h explow.h
        expmed.h fixed-value.h hashtab.h insn-config.h real.h rtl.h
        statistics.h stmt.h varasm.h.
        * gimple-match-head.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-section-in.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * tree-affine.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-if-conv.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-ssa-alias.c: Likewise.
        * tree-ssa-copyrename.c: Likewise.
        * tree-ssa-dse.c: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-math-opts.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vect-generic.c: Likewise.
        * tree-sra.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h insn-config.h real.h rtl.h stmt.h varasm.h.
        * stor-layout.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h insn-config.h real.h statistics.h stmt.h.
        * varasm.c: Likewise.
        * coverage.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h insn-config.h real.h statistics.h stmt.h
        varasm.h.
        * init-regs.c: Likewise.
        * ira.c: Likewise.
        * omp-low.c: Likewise.
        * stack-ptr-mod.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-complex.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h insn-config.h rtl.h statistics.h stmt.h
        varasm.h.
        * dwarf2cfi.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h insn-config.h statistics.h stmt.h varasm.h.
        * shrink-wrap.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h real.h rtl.h statistics.h stmt.h.
        * recog.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h real.h rtl.h statistics.h stmt.h varasm.h.
        * tree-ssa-phiopt.c: Likewise.
        * config/darwin.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h real.h statistics.h stmt.h.
        * config/fr30/fr30.c: Likewise.
        * config/frv/frv.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * optabs.c: Likewise.
        * passes.c: Likewise.
        * simplify-rtx.c: Likewise.
        * stmt.c: Likewise.
        * toplev.c: Likewise.
        * var-tracking.c: Likewise.
        * gcse.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h real.h statistics.h stmt.h varasm.h.
        * lower-subreg.c: Likewise.
        * postreload-gcse.c: Likewise.
        * ree.c: Likewise.
        * reginfo.c: Likewise.
        * store-motion.c: Likewise.
        * combine.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h real.h stmt.h varasm.h.
        * emit-rtl.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h statistics.h stmt.h.
        * dojump.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h statistics.h stmt.h varasm.h.
        * except.c: Likewise.
        * explow.c: Likewise.
        * tree-dfa.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h insn-config.h real.h rtl.h statistics.h stmt.h
        varasm.h.
        * gimple-fold.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h insn-config.h real.h rtl.h statistics.h varasm.h.
        * tree-ssa-structalias.c: Likewise.
        * cfgexpand.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h insn-config.h real.h statistics.h.
        * calls.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h insn-config.h real.h statistics.h stmt.h.
        * bb-reorder.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h insn-config.h real.h statistics.h stmt.h varasm.h.
        * cfgbuild.c: Likewise.
        * function.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h real.h rtl.h statistics.h stmt.h.
        * cfgrtl.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h real.h rtl.h statistics.h stmt.h varasm.h.
        * dbxout.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h real.h statistics.h stmt.h.
        * auto-inc-dec.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h real.h statistics.h stmt.h varasm.h.
        * cprop.c: Likewise.
        * modulo-sched.c: Likewise.
        * postreload.c: Likewise.
        * ccmp.c: Include calls.h dojump.h emit-rtl.h explow.h fixed-value.h
        flags.h function.h hard-reg-set.h hashtab.h insn-config.h real.h
        statistics.h stmt.h varasm.h.
        * gimple-ssa-strength-reduction.c: Include calls.h dojump.h emit-rtl.h
        explow.h fixed-value.h flags.h hashtab.h insn-config.h real.h
        rtl.h statistics.h stmt.h varasm.h.
        * tree-ssa-loop-ivopts.c: Include calls.h dojump.h emit-rtl.h explow.h
        fixed-value.h flags.h hashtab.h real.h rtl.h statistics.h stmt.h
        varasm.h.
        * expmed.c: Include calls.h dojump.h emit-rtl.h explow.h fixed-value.h
        function.h hard-reg-set.h hashtab.h real.h statistics.h stmt.h
        varasm.h.
        * target-globals.c: Include calls.h dojump.h emit-rtl.h explow.h
        fixed-value.h function.h hashtab.h real.h statistics.h stmt.h
        varasm.h.
        * tree-ssa-address.c: Include calls.h dojump.h emit-rtl.h explow.h
        fixed-value.h hashtab.h real.h statistics.h stmt.h varasm.h.
        * cfgcleanup.c: Include calls.h dojump.h explow.h expmed.h fixed-value.h
        function.h real.h statistics.h stmt.h varasm.h.
        * alias.c: Include calls.h dojump.h explow.h expmed.h fixed-value.h
        insn-config.h real.h statistics.h stmt.h.
        * dwarf2out.c: Include calls.h dojump.h explow.h expmed.h fixed-value.h
        statistics.h stmt.h.
        * config/nvptx/nvptx.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h flags.h hard-reg-set.h insn-config.h real.h
        statistics.h stmt.h varasm.h.
        * gimplify.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h flags.h hashtab.h insn-config.h real.h rtl.h statistics.h.
        * asan.c: Include dojump.h emit-rtl.h explow.h expmed.h fixed-value.h
        flags.h hashtab.h insn-config.h real.h rtl.h statistics.h stmt.h.
        * ipa-devirt.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h flags.h hashtab.h insn-config.h real.h rtl.h
        statistics.h stmt.h varasm.h.
        * ipa-polymorphic-call.c: Likewise.
        * config/aarch64/aarch64.c: Include dojump.h emit-rtl.h explow.h
        expmed.h fixed-value.h flags.h hashtab.h insn-config.h real.h
        statistics.h stmt.h.
        * config/c6x/c6x.c: Likewise.
        * config/aarch64/aarch64-builtins.c: Include dojump.h emit-rtl.h
        explow.h expmed.h fixed-value.h flags.h hashtab.h insn-config.h real.h
        statistics.h stmt.h varasm.h.
        * ipa-prop.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h insn-config.h real.h rtl.h statistics.h
        stmt.h varasm.h.
        * ipa-split.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-vrp.c: Likewise.
        * config/nds32/nds32-cost.c: Include dojump.h emit-rtl.h explow.h
        expmed.h fixed-value.h hashtab.h insn-config.h real.h statistics.h
        stmt.h.
        * config/nds32/nds32-fp-as-gp.c: Likewise.
        * config/nds32/nds32-intrinsic.c: Likewise.
        * config/nds32/nds32-isr.c: Likewise.
        * config/nds32/nds32-md-auxiliary.c: Likewise.
        * config/nds32/nds32-memory-manipulation.c: Likewise.
        * config/nds32/nds32-pipelines-auxiliary.c: Likewise.
        * config/nds32/nds32-predicates.c: Likewise.
        * config/nds32/nds32.c: Likewise.
        * config/cris/cris.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h real.h statistics.h.
        * config/alpha/alpha.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h real.h statistics.h stmt.h.
        * config/arm/arm.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/moxie/moxie.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/rl78/rl78.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/v850/v850.c: Likewise.
        * config/vax/vax.c: Likewise.
        * config/cr16/cr16.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h hashtab.h real.h statistics.h stmt.h varasm.h.
        * config/msp430/msp430.c: Likewise.
        * predict.c: Likewise.
        * value-prof.c: Likewise.
        * config/epiphany/epiphany.c: Include dojump.h emit-rtl.h explow.h
        expmed.h fixed-value.h hashtab.h statistics.h stmt.h.
        * config/microblaze/microblaze.c: Likewise.
        * config/nios2/nios2.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * tree.c: Include dojump.h emit-rtl.h explow.h expmed.h fixed-value.h
        insn-config.h real.h rtl.h statistics.h stmt.h.
        * cgraph.c: Include dojump.h emit-rtl.h explow.h expmed.h fixed-value.h
        insn-config.h real.h statistics.h stmt.h.
        * fold-const.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h insn-config.h real.h statistics.h stmt.h varasm.h.
        * tree-inline.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h real.h rtl.h statistics.h stmt.h varasm.h.
        * builtins.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h real.h statistics.h stmt.h.
        * config/arc/arc.c: Include dojump.h emit-rtl.h explow.h expmed.h
        fixed-value.h statistics.h stmt.h.
        * config/visium/visium.c: Include dojump.h emit-rtl.h explow.h expmed.h
        stmt.h.

2015-01-15  Jakub Jelinek  <jakub@redhat.com>

        * gengtype.c (create_user_defined_type): Workaround
        -Wmaybe-uninitialized false positives.
        * cse.c (fold_rtx): Likewise.
        * loop-invariant.c (gain_for_invariant): Likewise.

2015-01-15  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (expand_expr_real_1) <normal_inner_ref>: Use the expression to
        set the memory attributes in all cases but clear MEM_EXPR if need be.

2015-01-15  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR tree-optimization/64434
        * cfgexpand.c (reorder_operands): New function.
        (expand_gimple_basic_block): Insert call of reorder_operands if
        optimized is true.

2015-01-15  Matthew Fortune  <matthew.fortune@imgtec.com>

        * config/mips/micromips.md (*swp): Remove explicit parallel.
        (jraddiusp, *movep<MOVEP1:mode><MOVEP2:mode>): Likewise.
        * config/mips/mips-dsp.md (add<DSPV:mode>3): Likewise.
        (mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>, sub<DSPV:mode>3): Likewise.
        (mips_sub<DSP:dspfmt1>_s_<DSP:dspfmt2>, mips_addsc): Likewise.
        (mips_addwc, mips_absq_s_<DSPQ:dspfmt2>): Likewise.
        (mips_precrq_rs_ph_w, mips_precrqu_s_qb_ph): Likewise.
        (mips_shll_<DSPV:dspfmt2>, mips_shll_s_<DSPQ:dspfmt2>): Likewise.
        (mips_muleu_s_ph_qbl, mips_muleu_s_ph_qbr): Likewise.
        (mips_mulq_rs_ph, mips_muleq_s_w_phl, mips_muleq_s_w_phr): Likewise.
        (mips_dpaq_s_w_ph, mips_dpsq_s_w_ph, mips_mulsaq_s_w_ph): Likewise.
        (mips_dpaq_sa_l_w, mips_dpsq_sa_l_w, mips_maq_s_w_phl): Likewise.
        (mips_maq_s_w_phr, mips_maq_sa_w_phl, mips_maq_sa_w_phr): Likewise.
        (mips_extr_w, mips_extr_r_w, mips_extr_rs_w): Likewise.
        (mips_extr_s_h, mips_extp, mips_extpdp, mips_mthlip): Likewise.
        (mips_wrdsp): Likewise.
        * config/mips/mips-dspr2.md (mips_absq_s_qb): Remove explicit
        parallel.
        (mips_addu_ph, mips_addu_s_ph, mips_cmpgdu_eq_qb): Likewise.
        (mips_cmpgdu_lt_qb, mips_cmpgdu_le_qb, mulv2hi3): Likewise.
        (mips_mul_s_ph, mips_mulq_rs_w, mips_mulq_s_ph): Likewise.
        (mips_mulq_s_w, mips_subu_ph, mips_subu_s_ph): Likewise.
        (mips_dpaqx_s_w_ph, mips_dpaqx_sa_w_ph): Likewise.
        (mips_dpsqx_s_w_ph, mips_dpsqx_sa_w_ph): Likewise.
        * config/mips/mips-fixed.md (usadd<mode>3): Remove explicit parallel.
        (ssadd<mode>3, ussub<mode>3, sssub<mode>3, ssmul<mode>3): Likewise.
        (ssmaddsqdq4, ssmsubsqdq4): Likewise.

2015-01-14  Matthew Fortune  <matthew.fortune@imgtec.com>

        * config/mips/mips.c (mips_rtx_costs): Set costs for LSA/DLSA.
        (mips_print_operand): Support 'y' to print exact log2 in decimal
        of a const_int.
        * config/mips/mips.h (ISA_HAS_LSA): New define.
        (ISA_HAS_DLSA): Likewise.
        * config/mips/mips.md (<GPR:d>lsa): New define_insn.
        * config/mips/predicates.md (const_immlsa_operand): New predicate.

2015-01-15  Martin Liska  <mliska@suse.cz>

        PR target/64377
        * optc-save-gen.awk: Add support for array types.

2015-01-15  Richard Biener  <rguenther@suse.de>

        PR middle-end/64365
        * tree-data-ref.c (dr_analyze_indices): Make sure that accesses
        for MEM_REF access functions with the same base can never partially
        overlap.

2015-01-14  Marcos Diaz <marcos.diaz@tallertechnologies.com>

        * common.opt: New option -fstack-protector-explicit.
        * cfgexpand.c (SPCT_FLAG_EXPLICIT): New enum.
        (stack_protect_decl_phase): Handle stack_protect attribute for
        explicit stack protection requests.
        (expand_used_vars): Similarly.
        * doc/cpp.texi (__SSP_EXPLICIT__): Document predefined macro.
        * doc/extend.texi: Add documentation for "stack_protect" attribute.
        * doc/invoke.texi: Add documentation for -fstack-protector-explicit.

2015-01-14  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/53988
        * config/sh/sh-protos.h (sh_find_set_of_reg): Add option to ignore
        reg-reg copies.
        (sh_extending_set_of_reg): New struct.
        (sh_find_extending_set_of_reg, sh_split_tst_subregs,
        sh_remove_reg_dead_or_unused_notes): New Declarations.
        * config/sh/sh.c (sh_remove_reg_dead_or_unused_notes,
        sh_find_extending_set_of_reg, sh_split_tst_subregs,
        sh_extending_set_of_reg::use_as_extended_reg): New functions.
        * config/sh/sh.md (*tst<mode>_t_zero): Rename to *tst<mode>_t_subregs,
        convert to insn_and_split and use new function sh_split_tst_subregs.

2015-01-14  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Option Summary): Reclassify -fuse-ld as a linker
        option.
        (Optimization Options): Move -fuse-ld documentation to...
        (Link Options): ...here.

2015-01-14  Matthew Fortune  <matthew.fortune@imgtec.com>

        * config/mips/constraints.md (ZC): Add support for R6 LL/SC
        offsets.
        (ZD): Update to use ISA_HAS_9BIT_DISPLACEMENT.
        * config/mips/mips.h (ISA_HAS_PREFETCH_9BIT): Rename to...
        (ISA_HAS_9BIT_DISPLACEMENT): ... this. New macro.
        * config/mips/sync.md (sync_compare_and_swap<mode>): Use ZC
        instead of ZR for the memory operand of LL/SC.
        (compare_and_swap_12, sync_add<mode>): Likewise.
        (sync_<optab>_12, sync_old_<optab>_12): Likewise.
        (sync_new_<optab>_12, sync_nand_12): Likewise.
        (sync_old_nand_12, sync_new_nand_12): Likewise.
        (sync_sub<mode>, sync_old_add<mode>): Likewise.
        (sync_old_sub<mode>, sync_new_add<mode>): Likewise.
        (sync_new_sub<mode>, sync_<optab><mode>): Likewise.
        (sync_old_<optab><mode>, sync_new_<optab><mode>"): Likewise.
        (sync_nand<mode>, sync_old_nand<mode>): Likewise.
        (sync_new_nand<mode>, sync_lock_test_and_set<mode>): Likewise.
        (test_and_set_12, atomic_compare_and_swap<mode>): Likewise.
        (atomic_exchange<mode>_llsc, atomic_fetch_add<mode>_llsc): Likewise.
        * doc/md.texi (ZC): Update description.

2015-01-14  Andrew MacLeod  <amacleod@redhat.com>

        * builtins.c (expand_builtin_atomic_exchange): Remove error when
        memory model is CONSUME.
        (expand_builtin_atomic_compare_exchange, expand_builtin_atomic_load,
        expand_builtin_atomic_store): Change invalid memory model errors to
        warnings.
        (expand_builtin_atomic_clear): Change invalid model errors to warnings
        and issue warning for CONSUME.

2015-01-14  Aldy Hernandez  <aldyh@redhat.com>

        * lto-cgraph: Update function comments for
        lto_symtab_encoder_encode_*.

2015-01-14  Ilya Verbin  <ilya.verbin@intel.com>

        * Makefile.in (site.exp): Do not set ENABLE_LTO.

2015-01-14  Ilya Verbin  <ilya.verbin@intel.com>

        * cgraphunit.c (ipa_passes): Remove argument from ipa_write_summaries.
        * lto-cgraph.c (select_what_to_stream): Remove argument, use
        lto_stream_offload_p instead.
        * lto-streamer.h (select_what_to_stream): Remove argument.
        * passes.c (ipa_write_summaries): Likewise.
        * tree-pass.h (ipa_write_summaries): Likewise.

2015-01-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59354
        * tree-vect-slp.c (vect_build_slp_tree_1): Treat loads from
        groups larger than the slp group size as having gaps.

2015-01-14  Andrew MacLeod  <amacleod@redhat.com>

        PR middle-end/59448
        * builtins.c (get_memmodel): Promote consume to acquire always.

2015-01-14  Ilya Tocar  <ilya.tocar@intel.com>

        PR target/64386
        * config/i386/i386.c (ix86_expand_sse_cmp): Handle V64QImode,
        V32HImode.

2015-01-14  Ilya Tocar  <ilya.tocar@intel.com>

        PR target/64393
        * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VBMI_SET):
        Enable AVX512BW.
        (OPTION_MASK_ISA_AVX512BW_UNSET): Disable AVX512VBMI.
        * config/i386/i386.c (ix86_hard_regno_mode_ok): Don't check
        AVX512VBMI, as it implies AVX512BW.

2015-01-14  Ilya Tocar  <ilya.tocar@intel.com>

        PR target/64387
        * config/i386/sse.md (vec_unpacks_hi_v8sf): Fix predicate.
        (vec_unpacks_hi_v16sf): Ditto.

2015-01-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/arm_neon.h: Error out if AdvancedSIMD
        is not available.

2015-01-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * doc/invoke.texi (mapcs): Mention deprecation.
        (mapcs-frame): Likewise.

2015-01-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR target/64453
        * config/arm/arm.c (callee_saved_reg_p): Define.
        (arm_compute_save_reg0_reg12_mask): Use callee_saved_reg_p to check if
        register is callee saved instead of !call_used_regs[reg].
        (thumb1_compute_save_reg_mask): Likewise.

2015-01-14  Hale Wang  <hale.wang@arm.com>

        * config/arm/arm.c: Tune the max_cond_insns/branch_cost for
        Cortex-M7.

2015-01-14  Richard Biener  <rguenther@suse.de>

        PR lto/64415
        * tree-inline.c (insert_debug_decl_map): Check destination
        function MAY_HAVE_DEBUG_STMTS.
        (insert_init_debug_bind): Likewise.
        (insert_init_stmt): Remove redundant check.
        (remap_gimple_stmt): Drop debug stmts if the destination
        function has var-tracking assignments disabled.

2015-01-14  Martin Liska  <mliska@suse.cz>

        * ipa-icf-gimple.c (func_checker::compare_operand): Add support for
        IMAGPART_EXPR and REALPART_EXPR and fix BIT_FIELD_REF comparison.

2015-01-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/64460
        * config/arm/arm.md (*<arith_shift_insn>_multsi): Set 'shift' to 2.
        (*<arith_shift_insn>_shiftsi): Set 'shift' attr to 3.

2015-01-14  Matthew Fortune  <matthew.fortune@imgtec.com>

        * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Only infer an ISA
        level from an ARCH; do not inject the default.
        (MIPS_DEFAULT_ISA_LEVEL_SPEC): New macro split out from
        MIPS_ISA_LEVEL_SPEC.
        (MIPS_ISA_NAN2008_SPEC): Update comment.
        (BASE_DRIVER_SELF_SPECS): Likewise.
        * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Add
        MIPS_DEFAULT_ISA_LEVEL_SPEC.
        * config/mips/mti-elf.h (DRIVER_SELF_SPECS): Likewise.
        * config/mips/mti-linux.h (DRIVER_SELF_SPECS): Likewise.
        * config/mips/sde.h (DRIVER_SELF_SPECS): Likewise.

2015-01-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64493
        PR tree-optimization/64495
        * tree-vect-loop.c (vect_finalize_reduction): For double-reductions
        assign the proper vectorized PHI to the inner loop exit PHIs.

2015-01-14  Joey Ye  <joey.ye@arm.com>

        * config/arm/arm.c (arm_compute_save_reg_mask):
        Do not save lr in case of tail call.
        * config/arm/thumb2.md (*thumb2_pop_single): New pattern.

2015-01-14  Martin Uecker <uecker@eecs.berkeley.edu>

        * tree-vrp.c (check_array_ref): Emit more warnings
        for warn_array_bounds >= 2.
        * common.opt: New option -Warray-bounds=.
        * doc/invoke.texi: Document -Warray-bounds=.

2015-01-14  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32.opt (mforce-fp-as-gp): Remove.
        (mforbid-fp-as-gp): Remove.
        (mex9): Remove.
        * config/nds32/nds32-fp-as-gp.c (nds32_have_prologue_p): Remove.
        (nds32_symbol_load_store_p): Remove.
        (nds32_fp_as_gp_check_available): Clean up implementation.
        * config/nds32/nds32.h (LINK_SPEC): Remove -mforce-as-gp and -mex9
        cases.
        * config/nds32/nds32.c (nds32_asm_file_start): No need to consider
        fp-as-gp and ex9 cases.

2015-01-13  Jan Hubicka  <hubicka@ucw.cz>

        * tree-profile.c (init_ic_make_global_vars): Drop workaround
        for bintuils bug 14342.
        (init_ic_make_global_vars): Likewise.
        (gimple_init_edge_profiler): Likewise.
        (gimple_gen_ic_func_profiler): Likewise.

2015-01-13  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * ipa-inline.c (inline_small_functions): Swap the operands in
        enum.

2015-01-13  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64481
        * ipa-inline-analysis.c (node_growth_cache): Remove.
        (initialize_growth_caches): Do not initialize it.
        (free_growth_caches): Do not free it.
        (do_estimate_growth): Rename to ...
        (estimate_growth): ... this one; drop growth cache code.
        (growth_likely_positive): Always go the heuristics way.
        * ipa-inline.c (can_inline_edge_p): Walk through aliases.
        (reset_edge_caches): Do not reset node growth.
        (heap_edge_removal_hook): Do not maintain cache.
        (inline_small_functions): Likewise; strenghten sanity check.
        (ipa_inline): Do not maintain caches.
        * ipa-inline.h (node_growth_cache): Remove.
        (do_estimate_growth): Remove to ...
        (estimate_growth): this one; remove inline version.
        (reset_node_growth_cache): Remove.

2015-01-13  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/64565
        * ipa-inline.c (inline_small_functions): Update callee keys after
        resolving speculation
        (inline_small_functions): Always check monotonicity of the queue.

2015-01-13  Marek Polacek  <polacek@redhat.com>

        PR middle-end/64391
        * trans-mem.c (get_attrs_for): Return NULL_TREE if X is NULL_TREE.

2015-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/64286
        * ree.c (combine_reaching_defs): Move part of comment earlier,
        remove !SCALAR_INT_MODE_P check.
        (add_removable_extension): Don't add vector mode
        extensions if all uses of the source register aren't the same
        vector extensions.

2015-01-13  Renlin Li  <renlin.li@arm.com>

        * config/arm/arm.h (CLZ_DEFINED_VALUE_AT_ZERO): Return 2.
        (CTZ_DEFINED_VALUE_AT_ZERO): Ditto.

2015-01-13  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sem_function::equals_private): Call new functions
        cl_target_option_print_diff and cl_optimization_print_diff.
        * optc-save-gen.awk (cl_target_option_print_diff): New function.
        (cl_optimization_print_diff): Likewise.
        * opth-gen.awk: Likewise.

2015-01-13  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.md (subsi3, *subsi3_uxtw, subdi3)
        (*sub_<optab><ALLX:mode>_<GPI:mode>, *sub_<optab><SHORT:mode>_si_uxtw)
        (*sub_<optab><ALLX:mode>_shft_<GPI:mode>)
        (*sub_<optab><SHORT:mode>_shft_si_uxtw, *sub_<optab><mode>_multp2)
        (*sub_<optab>si_multp2_uxtw, *sub_uxt<mode>_multp2)
        (*sub_uxtsi_multp2_uxtw): Add stack pointer sources.

2015-01-13  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64.c (fusion_load_store): Check dest mode
        instead of src mode.

2015-01-13  Richard Biener  <rguenther@suse.de>

        PR lto/64373
        * lto-streamer-out.c (tree_is_indexable): Guard for NULL
        DECL_CONTEXT.

2015-01-13  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64.c (aarch64_operands_ok_for_ldpstp): Reject
        volatile mems.
        (aarch64_operands_adjust_ok_for_ldpstp): Likewise.

2015-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/63974
        * cfgexpand.c (expand_computed_goto): Don't call
        convert_memory_address here.

2015-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64406
        * tree-loop-distibution.c (pass_loop_distribution::execute):
        Reset the SCEV hashtable if we distributed anything.

2015-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64404
        * tree-vect-stmts.c (vectorizable_load): Reject conflicting
        SLP types for CSEd loads.

2015-01-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/64436
        * tree-ssa-math-opts.c (find_bswap_or_nop_1): Move code performing the
        merge of two symbolic numbers for a bitwise OR to ...
        (perform_symbolic_merge): This. Also fix computation of the range and
        end of the symbolic number corresponding to the result of a bitwise OR.

2015-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64568
        * tree-ssa-forwprop.c (pass_forwprop::execute): Properly
        release defs of removed stmts, avoid splitting TARGET_MEM_REFs.

2015-01-13  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32.c (nds32_legitimate_address_p): Consider
        TARGET_CMODEL_LARGE and TARGET_CMODEL_MEDIUM cases.

2015-01-13  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32.h (NDS32_SYMBOL_FLAG_RODATA): Define our own
        target-specific symbol_ref flag.
        (NDS32_SYMBOL_REF_RODATA_P): Define it to check if the symbol_ref
        resides in rodata section.
        * config/nds32/nds32.c (TARGET_ENCODE_SECTION_INFO): Define.
        (nds32_encode_section_info): New function.

2015-01-13  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32.md (call): Use pseudo instruction bal which
        clobbers TA_REGNUM if large code model is specified.
        (call_register): Likewise.
        (call_immediate): Likewise.
        (call_value): Likewise.
        (call_value_register): Likewise.
        (call_value_immediate): Likewise.

2015-01-13  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32.h (TARGET_CMODEL_SMALL): New macro.
        (TARGET_CMODEL_MEDIUM): New macro.
        (TARGET_CMODEL_LARGE): New macro.
        * config/nds32/nds32.c (nds32_asm_file_start): Display corresponding
        code model setting in assembly code.

2015-01-13  Chung-Ju Wu  <jasonwucj@gmail.com>

        * common/config/nds32/nds32-common.c (TARGET_DEFAULT_TARGET_FLAGS):
        Remove MASK_GP_DIRECT flag.
        * config/nds32/nds32.h (MULTILIB_DEFAULTS): Have -mcmodel=medium as
        one of the multilib default options.
        * config/nds32/nds32.opt (mgp-direct): Remove.
        * config/nds32/t-mlibs (MULTILIB_OPTIONS): Use -mcmodel instead of
        -mgp-direct.  We also remove unnecessary -mlittle-endian/-mbig-endian.

2015-01-13  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32.opt (mcmodel): Add new option.
        * config/nds32/nds32-opts.h (nds32_cmodel_type): Add new enum type
        to describe code model.

2015-01-13  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/64479
        * rtlanal.c (set_reg_p): Handle SEQUENCE constructs.

2015-01-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_atomic_assign_expand_fenv): New function.
        (TARGET_ATOMIC_ASSIGN_EXPAND_FENV): Define.
        (sh_builtin_get_fpscr, sh_builtin_set_fpscr): New variables.
        (sh_init_builtins): Record decls for __builtin_sh_get_fpscr and
        __builtin_sh_set_fpscr.

2015-01-12  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-Wsuggest-attribute=]): Don't use parentheses
        after a funtion name just to indicate it is a function.
        ([-fsanitize-undefined-trap-on-error]): Likewise.
        ([-fdbg-cnt=]): Likewise.
        ([-mmemcpy]): Likewise.
        ([-mflush-func]): Likewise.
        ([-msynci]): Likewise.

2015-01-12  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-Wbad-function-cast]): Rewrite to avoid confusing
        example.

2015-01-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/64563
        * tree-vrp.c (vrp_evaluate_conditional): Check for VR_RANGE
        instead of != VR_VARYING.

        PR target/64513
        * config/i386/i386.c (ix86_expand_prologue): Add
        REG_FRAME_RELATED_EXPR to %rax and %r10 pushes.

        PR tree-optimization/64454
        * tree-vrp.c (simplify_div_or_mod_using_ranges): Optimize
        op0 % op1 into op0 if op0 is in range [-op1 + 1, op1 - 1]
        for signed or [0, op1 - 1] for unsigned modulo.
        (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
        even if op1 does not satisfy integer_pow2p.

        PR other/64370
        * sreal.c (sreal::to_double): Use ldexp instead of scalbnl.

2015-01-12  Jeff Law  <law@redhat.com>

        PR target/64461
        * config/m68k/m68k.md (truncsiqi2): Disable for TARGET_COLDFIRE.
        (trunchiqi2, truncsihi2): Similarly.

        * config/h8300/h8300.c (Fpa): Use RTX_FRAME_RELATED_P directly
        rather than calling F.

2015-01-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * tsan.c (instrument_expr): Use force_gimple_operand.
        Use may_be_nonaddressable_p instead of is_gimple_addressable.

2015-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64530
        * tree-loop-distribution.c (pg_add_dependence_edges): Shuffle
        back dr1.

2015-01-12  Richard Biener  <rguenther@suse.de>

        PR middle-end/64357
        * tree-cfg.c (gimple_can_merge_blocks_p): Protect simple
        latches properly.

2015-01-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_cortex_a12_tune): Update entries to match
        Cortex-A17 tuning parameters.
        * config/arm/arm-cores.def (cortex-a12): Schedule for cortex-a17.

2015-01-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm-protos.h (tune_params): Add fuseable_ops field.
        * config/arm/arm.c (arm_macro_fusion_p): New function.
        (arm_macro_fusion_pair_p): Likewise.
        (TARGET_SCHED_MACRO_FUSION_P): Define.
        (TARGET_SCHED_MACRO_FUSION_PAIR_P): Likewise.
        (ARM_FUSE_NOTHING): Likewise.
        (ARM_FUSE_MOVW_MOVT): Likewise.
        (arm_slowmul_tune, arm_fastmul_tune, arm_strongarm_tune,
        arm_xscale_tune, arm_9e_tune, arm_v6t2_tune, arm_cortex_tune,
        arm_cortex_a8_tune, arm_cortex_a7_tune, arm_cortex_a15_tune,
        arm_cortex_a53_tune, arm_cortex_a57_tune, arm_cortex_a9_tune,
        arm_cortex_a12_tune, arm_v7m_tune, arm_v6m_tune, arm_fa726te_tune
        arm_cortex_a5_tune): Specify fuseable_ops value.

2015-01-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/64561
        * configure.ac (HAVE_LD_PIE_COPYRELOC): Update Linux/x86-64 linker
        test for PIE with copy reloc.
        * configure: Regenerated.

2015-01-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_load_tp): Use R0_REGNUM instead of constant 0
        in gen_rtx_REG.
        (arm_tls_descseq_addr): Likewise.
        (arm_gen_movmemqi): Likewise.
        (arm_expand_epilogue_apcs_frame): Likewise.
        (arm_expand_epilogue): Likewise.
        (arm_expand_prologue): Likewise.  Use R1_REGNUM instead of constant 1
        in gen_rtx_REG.

2015-01-12  Martin Liska  <mliska@suse.cz>

        PR ipa/64550
        * ipa-icf-gimple.c (func_checker::compare_memory_operand): Compare
        volatility for correct operands.

2015-01-12  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sem_function::equals_wpa): Add indirect_calls as
        indication that a function is not leaf.
        (sem_function::compare_polymorphic_p): Likewise.

2015-01-12  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * config/visium/visium.c: Add includes hashtab.h, hash-set.h,
        machmode.h, input.h, statistics.h, vec.h, double-int.h, real.h,
        fixed-value.h, alias.h, symtab.h, tree-core.h, wide-int.h, inchash.h,
        fold-const.h, tree-check.h.

2015-01-12  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/63967
        PR ipa/64425
        * ipa-inline.c (compute_uninlined_call_time,
        compute_inlined_call_time): Use counts for extra precision when
        needed possible.
        (big_speedup_p): Fix formating.
        (RELATIVE_TIME_BENEFIT_RANGE): Remove.
        (relative_time_benefit): Remove.
        (edge_badness): Turn DECL_DISREGARD_INLINE_LIMITS into hint;
        merge guessed and read profile paths.
        (inline_small_functions): Count only !optimize_size functions into
        initial size; be more lax about sanity check when profile is used;
        be sure to update inlined function profile when profile is read.

2015-01-12  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/63470
        * ipa-inline-analysis.c (inline_edge_duplication_hook): Adjust
        cost when edge becomes direct.
        * ipa-prop.c (make_edge_direct): Do not adjust when speculation
        is resolved or when introducing new speculation.

2015-01-12  Chen Gang  <gang.chen.5i5j@gmail.com>

        PR ipa/64551
        PR ipa/64552
        * ipa-icf.c (sem_function::equals_private): Use '&&' instead of
        '||' to fix typo issue.

        * tree.h (target_opts_for_fn): Check NULL_TREE since it can
        accept and return NULL.

2015-01-12  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_edge::remove_callee): Move function to header
        file for being inlined.
        (cgraph_set_edge_callee): Delete.
        (cgraph_edge::redirect_callee): Move function to header file
        for being inlined.
        (cgraph_edge::make_direct): Use new function.
        (cgraph_edge::dump_edge_flags): New function created from
        static dump_edge_flags function.
        (cgraph_node::dump): Use new function.
        (cgraph_edge::verify_count_and_frequency): New function created
        from verify_edge_count_and_frequency.
        (cgraph_edge::verify_corresponds_to_fndecl): New function created
        from verify_edge_corresponds_to_fndecl.
        (verify_edge_corresponds_to_fndecl): Delete.
        (cgraph_node::verify_node): Use new function.
        * cgraph.h (cgraph_edge::set_callee): New function.
        (cgraph_edge::dump_edge_flags): Likewise.
        (cgraph_edge::verify_corresponds_to_fndecl): Likewise.

2015-01-11  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-utils.c (estimate_function_body_sizes): Do not
        free node params when called late with early=true.

2015-01-11  James Greenhalgh  <james.greenhalgh@arm.com>

        * doc/md.texi (Instruction Patterns): Rewrite text for
        clarity.
        (Example): Likewise.

2015-01-10  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Option Summary): Break long lines.
        [(-fdiagnostics-color)]: Put long literal in @smallexample
        instead of inline.
        [(-fsanitize-recover)]: Likewise.
        [(-fdump-rtl-split*)]: Rewrite to fix over-full hbox.
        [(-ffast-math)]: Likewise.
        [(--param max-inline-insns-recursive)]: Likewise.
        [(--param max-inline-recursive-depth)]: Likewise.
        [(-mno-text-section-literals)]: Likewise.

2015-01-10  Thomas Schwinge  <thomas@codesourcery.com>

        * doc/install.texi: Update for libgomp being renamed from "GNU
        OpenMP Runtime Library" to "GNU Offloading and Multi Processing
        Runtime Library".
        * doc/sourcebuild.texi: Likewise.

2015-01-10  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.c (moxie_option_override): Fix forcing of
        mul.x availability for moxiebox configuration.

2015-01-09  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.md: Tabify assembly output.

2015-01-09  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.md (CC_REG): Correct register definition.

2015-01-09  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-fvtable-verify]): Copy-edit and fix markup.
        ([-fvtv-debug], [-fvtv-counts]): Likewise.  Correct location
        of log files.

2015-01-09  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/arm/arm.h (MAX_SYNC_LIBFUNC_SIZE): Delete semicolon.

2015-01-09  Bernd Schmidt  <bernds@codesourcery.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/64412
        * lto-streamer.h (lto_stream_offload_p): New declaration.
        * lto-streamer.c (lto_stream_offload_p): New variable.
        * cgraphunit.c (ipa_passes): Set lto_stream_offload_p
        at the same time as section_name_prefix.
        * lto-streamer-out.c (hash_tree): Don't hash TREE_TARGET_OPTION
        if lto_stream_offload_p.
        * tree-streamer-out.c (streamer_pack_tree_bitfields): Don't
        stream TREE_TARGET_OPTION if lto_stream_offload_p.
        (write_ts_function_decl_tree_pointers): Don't
        stream DECL_FUNCTION_SPECIFIC_TARGET if lto_stream_offload_p.
        * tree-streamer-in.c (unpack_value_fields): Don't stream
        TREE_TARGET_OPTION in if ACCEL_COMPILER.
        (lto_input_ts_function_decl_tree_pointers): Don't stream
        DECL_FUNCTION_SPECIFIC_TARGET in if ACCEL_COMPILER.
        * lto-opts.c (lto_write_options): Use lto_stream_offload_p
        instead of section_name_prefix string comparisons.

2015-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/64536
        * cfgrtl.c (rtl_tidy_fallthru_edge): Handle removal of degenerate
        tablejumps.

2015-01-09  Michael Collison  <michael.collison@linaro.org>

        PR tree-optimization/64322
        * tree-vrp.c (extract_range_from_binary_expr_1): Attempt to derive
        range for RSHIFT_EXPR even if vr0 range is not VR_RANGE or is symbolic.

2015-01-09  Tom de Vries  <tom@codesourcery.com>

        PR rtl-optimization/64539
        * regcprop.c (kill_clobbered_values): Factor out of ...
        (copyprop_hardreg_forward_1): ... here.  Use kill_clobbered_values
        instead of note_stores with kill_clobbered_value.

2015-01-09  Andreas Tobler  <andreast@gcc.gnu.org>

         * ginclude/unwind-arm-common.h: Revert previous commit.

2015-01-09  Andreas Tobler  <andreast@gcc.gnu.org>

        * config.gcc (arm*-*-freebsd*): New configuration.
        * config/arm/freebsd.h: New file.
        * config.host: Add extra components for arm*-*-freebsd*.
        * config/arm/arm.h: Introduce MAX_SYNC_LIBFUNC_SIZE.
        * config/arm/arm.c (arm_init_libfuncs): Use MAX_SYNC_LIBFUNC_SIZE.

2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/rs6000/rtems.h (CPP_OS_RTEMS_SPEC): Define __PPC_CPU_E6500__
        for -mcpu=e6500.
        * config/rs6000/t-rtems: Add e6500 multilibs.

2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/rs6000/t-rtems: Add -mno-spe to soft-float multilib for
        MPC8540.

2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/rs6000/t-rtems: Use MULTILIB_REQUIRED instead of
        MULTILIB_EXCEPTIONS.

2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/arm/t-rtems: Use MULTILIB_REQUIRED instead of
        MULTILIB_EXCEPTIONS.

2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/arm/t-rtems-eabi: Rename to...
        * config/arm/t-rtems: ...this.
        * config/arm/rtems-eabi.h: Rename to...
        * config/arm/rtems.h: ...this.
        * config.gcc (arm*-*-rtems*): Reflect changes above.

2015-01-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/64410
        * tree-ssa.c (non_rewritable_lvalue_p): Allow REALPART/IMAGPART_EXPR
        on the LHS.
        (execute_update_addresses_taken): Deal with that.
        * tree-ssa-forwprop.c (pass_forwprop::execute): Use component-wise
        loads/stores for complex variables.

2015-01-09  Martin Liska  <mliska@suse.cz>

        * ipa-icf-gimple.c (func_checker::compare_ssa_name): Enhance SSA
        name comparison.
        (func_checker::compare_memory_operand): New function.
        (func_checker::compare_operand): Split case to newly
        added functions.
        (func_checker::compare_cst_or_decl): New function.
        (func_checker::compare_gimple_call): Identify
        memory operands.
        (func_checker::compare_gimple_assign): Likewise.
        * ipa-icf-gimple.h: New function.

2015-01-09  Martin Liska  <mliska@suse.cz>

        PR ipa/64503
        * sreal.c (sreal::dump): Change unsigned format to signed for
        m_exp value.
        (sreal::to_double): Replace exp2 with scalbln.

2015-01-09  Martin Liska  <mliska@suse.cz>

        * cgraphunit.c (cgraph_node::create_wrapper): Fix level of indentation.
        * ipa-icf.c (sem_function::equals_private): Add support for target and
        (sem_item_optimizer::merge_classes): Remove redundant function
        optimization flags comparison.
        * tree.h (target_opts_for_fn): New function.

2015-01-09  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (expand_omp_for_static_chunk): Fix assert.

2015-01-09  Kito Cheng  <kito@0xlab.org>

        PR rtl-optimization/64348
        * lra-constraints.c (split_reg): Fix caller-save store/restore
        instruction generation.

2015-01-08  John David Anglin  <danglin@gcc.gnu.org>

        PR gcov-profile/61790
        * gcov-tool.c (do_rewrite): Use strtoll instead of atoll if host has
        long long.  Fallback to int64_t if host doesn't have long long and
        use strtol if int64_t is long.  Otherwise, use sscanf for conversion.

2015-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/63989
        * params.def (PARAM_MAX_TRACKED_STRLENS): Increment default
        from 1000 to 10000.
        * tree-ssa-strlen.c (get_strinfo): Moved earlier.
        (get_stridx): If we don't have a record for certain SSA_NAME,
        but it is POINTER_PLUS_EXPR of some SSA_NAME we do with
        constant offset, call get_stridx_plus_constant.
        (get_stridx_plus_constant): New function.
        (zero_length_string): Don't use get_stridx here.

        PR target/55023
        PR middle-end/64388
        * dse.c (struct insn_info): Mention frame_read set also
        before reload for tail calls on some targets.
        (scan_insn): Revert 2014-12-22 change.  Set frame_read
        also before reload for tail calls if
        HARD_FRAME_POINTER_IS_ARG_POINTER.  Call add_wild_read
        instead of add_non_frame_wild_read for non-const/memset
        tail calls after reload.

2015-01-08  Jason Merrill  <jason@redhat.com>

        * ubsan.c (do_ubsan_in_current_function): New.
        (pass_ubsan::gate): Use it.
        * ubsan.h: Declare it.
        * convert.c (convert_to_integer): Use it.

2015-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/64338
        * config/i386/i386.c (ix86_expand_int_movcc): Don't reverse
        compare_code when it is unconditionally overwritten afterwards.
        Use ix86_reverse_condition instead of reverse_condition.  Don't
        change code if *reverse_condition* returned UNKNOWN and don't
        swap ct/cf and negate diff in that case.

2015-01-08  Mike Stump  <mikestump@comcast.net>

        * tsan.c (pass_tsan::gate): Add no_sanitize_thread support.
        (pass_tsan_O0::gate): Likewise.
        * extend.texi (Function Attributes): Add no_sanitize_thread
        documentation.

2015-01-08  Thomas Schwinge  <thomas@codesourcery.com>

        * builtins.def (DEF_GOMP_BUILTIN): Also consider flag_offload_abi
        for registering builtins.
        * config/i386/intelmic-mkoffload.c (prepare_target_image): Don't
        add -fopenmp to the argv_obstack used when invoking
        compile_for_target.

        * config/i386/intelmic-mkoffload.c (compile_for_target): Always
        add "-m32" or "-m64" to argv_obstack.
        (generate_host_descr_file): Likewise, when invoking host_compiler.
        (main): Always add "-m elf_i386" or "-m elf_x86_64" when invoking
        ld.

2015-01-08  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh-mem.cc: Use constant as second operand when emitting
        tstsi_t insns.

2015-01-08  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/55212
        * config/sh/sh.md (*addsi3_compact): Emit reg-reg copy instead of
        constant load if constant operand fits into I08.

2015-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/64336
        * tree.c (build2_stat): Fix up initialization of TREE_READONLY
        and TREE_THIS_VOLATILE for MEM_REFs.
        (build5_stat): Fix up initialization of TREE_READONLY and
        TREE_THIS_VOLATILE for TARGET_MEM_REFs.

2015-01-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/64533
        * config/sh/sh.md (*addsi3_compact): Use u constraint instead
        of r for the second alternative of the destination operand.

2015-01-07  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/36557
        * config/rs6000/rs6000.md (*eqsi3_ext<mode>, *nesi3_ext<mode>): New.

2015-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-fvtable-verify]): Fix markup on option
        keywords.
        ([-fivar-visibility], [-fvisibility]): Likewise.

2015-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi: Fix incorrect uses of @samp markup throughout
        the file where @code, @command, etc is more appropriate.

2015-01-06  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Tidy formatting
        of -mrecip= documentation.

2015-01-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/64505
        * config/rs6000/rs6000.c (rs6000_secondary_reload): Return the
        correct reload handler if -m32 -mpowerpc64 is used.

2015-01-06  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-tail-merge.c: Fix typo in struct same_succ_def comment.

2015-01-08  Christian Bruel  <christian.bruel@st.com>

        PR target/64507
        * config/sh/sh-mem.cc (sh_expand_cmpnstr): Check 0 length.

2015-01-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/63259
        * tree-ssa-math-opts.c (pass_optimize_bswap::execute): Stop checking
        if optab exists for 16bit byteswap.

2015-01-06  Jakub Jelinek  <jakub@redhat.com>

        * opts.c (common_handle_option): Add support for
        -fno-sanitize=all and -f{,no-}sanitize-recover=all.
        * doc/invoke.texi: Document -fno-sanitize=all,
        -f{,no-}sanitize-recover=all.  Document that
        -fsanitize=float-cast-overflow is not enabled
        by -fsanitize=undefined.  Fix up documentation
        of -f{,no-}sanitize-recover.

2015-01-06  Eric Botcazou  <ebotcazou@adacore.com>

        * config.gcc: Add Visium support.
        * configure.ac: Likewise.
        * configure: Regenerate.
        * doc/extend.texi (interrupt attribute): Add Visium.
        * doc/invoke.texi: Document Visium options.
        * doc/install.texi: Document Visium target.
        * doc/md.texi: Document Visium constraints.
        * common/config/visium: New directory.
        * config/visium: Likewise.

2015-01-05  Segher Boessenkool  <segher@kernel.crashing.org>

        * simplify-rtx.c (simplify_binary_operation_1): Handle more cases
        for the "(and X (ior (not X) Y) -> (and X Y)" transform.

2015-01-05  Segher Boessenkool  <segher@kernel.crashing.org>

        * combine.c (combine_validate_cost): Do not count the cost of a
        split I2 twice.  Do not display it twice in the dump, either.

2015-01-05  Sandra Loosemore  <sandra@codesourcery.com>

        Revert parts of r219199.
        * doc/invoke.texi ([-Wliteral-suffix]): Restore markup on
        <inttypes.h>.
        ([-Wtraditional]): Restore markup on <limits.h>.

2015-01-05  Trevor Saunders  <tsaunders@mozilla.com>

        PR c++/31397
        * doc/invoke.texi: Document -Wsuggest-override.

2015-01-05  Radovan Obradovic  <radovan.obradovic@imgtec.com>

        PR rtl-optimization/64287
        * toplev.c (HAVE_epilogue, HAVE_prologue): Provide default.
        (process_options): Disable flag_ipa_ra if profiling.

2015-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * config/nds32/nds32-peephole2.md: Do not mention define_peephole.

2015-01-05  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.c (hwloop_optimize, hwloop_fail,
        hwloop_pattern_reg, xtensa_doloop_hooks, xtensa_reorg_loops):
        put under #if TARGET_LOOPS guard.

2015-01-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (output_387_binary_op): Use std::swap.

2015-01-05  Oleg Endo  <olegendo@gcc.gnu.org>

        * rtlanal.c (refers_to_regno_p): Change return value from int to bool.
        * rtl.h (refers_to_regno_p): Add overload.
        * cse.c: Use it.
        * bt-load.c: Likewise.
        * combine.c: Likewise.
        * df-scan.c: Likewise.
        * sched-deps.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/rs6000/spe.md: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/arc/arc.md: Likewise.
        * config/arc/arc.c: Likewise.
        * config/sh/sh.md: Likewise.
        * config/sh/sh.c: Likewise.
        * config/frv/frv.c: Likewise.

2015-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/64265
        * gimplify.c (gimplify_function_tree): Add TSAN_FUNC_EXIT internal
        call as cleanup of the whole body.
        * internal-fn.def (TSAN_FUNC_EXIT): New internal call.
        * tsan.c (replace_func_exit): New function.
        (instrument_func_exit): Moved earlier.
        (instrument_memory_accesses): Adjust TSAN_FUNC_EXIT internal calls.
        Call instrument_func_exit if no TSAN_FUNC_EXIT internal calls have
        been found.
        (tsan_pass): Don't call instrument_func_exit.
        * internal-fn.c (expand_TSAN_FUNC_EXIT): New function.
        * tree-inline.c (copy_bb): Drop TSAN_FUNC_EXIT internal calls during
        inlining.

        PR sanitizer/64344
        * ubsan.h (ubsan_instrument_float_cast): Add ARG argument.
        * ubsan.c (ubsan_instrument_float_cast): Add ARG argument, pass
        it to libubsan handler instead of EXPR.  Fold comparisons earlier,
        if the result is integer_zerop, return NULL_TREE.
        * convert.c (convert_to_integer): Pass expr as ARG.

        PR tree-optimization/64465
        * tree-inline.c (redirect_all_calls): During inlining
        clean up EH stmts and EH edges if redirect_call_stmt_to_callee
        changed the stmt to a non-throwing call.

2015-01-05  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi: Fix incorrect uses of @code, @option, @samp,
        etc markup throughout the file.

2015-01-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        Enable experimental TSAN support for Ada.
        * tsan.c (instrument_expr): Handle VIEW_CONVERT_EXPR.

2015-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/64494
        * tree-ssa-loop-im.c (move_computations_dom_walker::before_dom): Also
        clear SSA_NAME_ANTI_RANGE_P flag.

2015-01-05  Marek Polacek  <polacek@redhat.com>

        * doc/extend.texi (Arrays of Length Zero): Add missing comma.

2015-01-05  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

        * gcc.c (process_command): Update copyright notice dates.
        * gcov-dump.c: Ditto.
        * gcov.c: Ditto.
        * doc/cpp.texi: Bump @copying's copyright year.
        * doc/cppinternals.texi: Ditto.
        * doc/gcc.texi: Ditto.
        * doc/gccint.texi: Ditto.
        * doc/gcov.texi: Ditto.
        * doc/install.texi: Ditto.
        * doc/invoke.texi: Ditto.

        * auto-profile.c, auto-profile.h: Fix up Copyright line.

2015-01-04  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-fsized-deallocation]): Copy-edit to fix
        verb tense, etc.
        ([-fvtable-verify], [-fvtv-debug]): Likewise.
        ([-Wabi]): Likewise.
        ([-fmessage-length]): Likewise.
        ([-Wsuggest-final-types], [-Wsuggest-final-methods]): Likewise.
        ([-Wno-discarded-qualifiers]): Likewise.
        ([-Wnodiscarded-array-qualifiers]): Likewise.
        ([-Wno-virtual-move-assign]): Likewise.
        ([-fsanitize=address], [-fsanitize=thread]): Likewise.
        ([-fsanitize=leak], [-fsanitize=undefined]): Likewise.
        ([-fsanitize=unreachable], [-fsanitize-recover]): Likewise.
        ([-fsanitize-undefined-trap-on-error]): Likewise.
        ([-floop-interchange]): Likewise.
        ([-ftree-coalesce-inlined-vars]): Likewise.
        ([-fvect-cost-model]): Likewise.
        ([-flto]): Likewise.
        ([--param]): Likewise.
        (Spec Files): Likewise.
        ([-mstrict-align]): Likewise.
        ([-mfix-cortex-a53-835769]): Likewise.
        ([-march], [-mtune]): Likewise.
        ([-mpic-register]): Likewise.
        ([-munaligned-access]): Likewise.
        ([-msp8]): Likewise.
        (EIND and Devices with more than 128 Ki Bytes of Flash): Likewise.
        (AVR Built-in Macros): Likewise.
        ([-mpreferred-stack-boundary]): Likewise.
        ([-mtune-crtl]): Likewise.
        ([-mashf]): Likewise.
        ([-mmcu=]): Likewise.
        ([-minrt]): Likewise.
        ([-maltivec], [-maltivec=be], [-maltivec=le]): Likewise.
        ([-mupper-regs]): Likewise.
        ([-matomic-model]): Likewise.
        ([-mdiv]): Likewise.
        ([-mzdcbranch]): Likewise.
        ([-mdisable-callt]): Likewise.
        ([-msoft-float]): Likewise.
        ([-m8byte-align]): Likewise.
        ([-fstack-reuse]): Likewise.

2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-fprofile-generate], [-fprofile-use]):
        Fix markup, light copy-editing.
        ([-fauto-profile]): Rewrite to fix formatting and content
        problems.

2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-fisolate-erroneous-paths-dereference]):
        Copy-edit description.
        ([-fisolate-erroneous-paths-attribute]): Likewise.
        * common.opt (fisolate-erroneous-paths-dereference):
        Copy-edit description.
        (fisolate-erroneous-paths-attribute): Likewise.

2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-fsemantic-interposition]): Fix typos and
        tidy grammar.

2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-fplan9-extensions]): Add/fix @opindex.
        ([-fvtv-debug]): Likewise.
        ([-Wc++-compat]): Likewise.
        ([-Wc++11-compat]): Likewise.
        ([-Wc++14-compat]): Likewise.
        ([-Wno-sized-deallocation]): Likewise.
        ([-femit-class-debug-always]): Likewise.
        ([-femit-struct-debug-detailed]): Likewise.
        ([-fno-keep-inline-dllexport]): Likewise.
        ([-fira-algorithm]): Likewise.
        ([-fira-region]): Likewise.
        ([-flra-remat]): Likewise.
        ([-fipa-ra]): Likewise.
        ([-fhoist-adjacent-loads]): Likewise.
        ([-fisolate-erroneous-paths-dereference]): Likewise.
        ([-fisolate-erroneous-paths-attribute]): Likewise.
        ([-ftree-switch-conversion]): Likewise.
        ([-ftree-tail-merge]): Likewise.
        ([-ftree-loop-if-convert]): Likewise.
        ([-ftree-loop-if-convert-stores]): Likewise.
        ([-ftree-loop-distribution]): Likewise.
        ([-ftree-loop-distribute-patterns]): Likewise.
        ([-flto-compression-level]): Likewise.
        ([-flto-report]): Likewise.
        ([-flto-report-wpa]): Likewise.
        ([-fuse-linker-plugin]): Likewise.
        ([-mfix-cortex-a53-835769]): Likewise.
        ([-mno-fix-cortex-a53-835769]): Likewise.
        ([-mmmx]...[-mno-3dnow]): Remove the -mno- forms from the
        explicit listing; add a note to the discussion indicating they
        exist.  Reorder table to group similar options.  Add missing
        @opindex entries.  Add @need commands throughout the table to
        allow it to be split across multiple pages.
        ([-m8bit-idiv]): Fix @opindex.
        ([-mavx256-split-unaligned-load]): Likewise.
        ([-mavx256-split-unaligned-store]): Likewise.
        ([-mstack-protector-guard]): Likewise.
        ([-mcpu=]): Likewise.
        ([-mcpu]): Likewise.
        ([-mpointer-size=]): Likewise.

2015-01-03  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.md (decrement_and_branch_until_zero): Use `Q' constraint
        instead of `m' constraint.  Likewise for unnamed movb comparison
        patterns using reg_before_reload_operand predicate.
        * config/pa/predicates.md (reg_before_reload_operand): Tighten
        predicate to reject register index and LO_SUM DLT memory forms
        after reload.

2015-01-02  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Option Summary): Fix spelling of
        -fdevirtualize-at-ltrans.
        ([-fdevirtualize]): Fix markup.
        ([-fdevirtualize-speculatively]): Fix typo.
        ([-fdevirtualize-at-ltrans]): Likewise.  Make description less
        implementor-speaky.
        * common.opt (fdevirtualize-at-ltrans): Likewise.
        * ipa-devirt.c: Fix typos in comments throughout the file.
        (ipa_devirt): Fix typos in format strings for dump output.

2015-01-02  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi ([-fopt-info]): Fix markup, consolidate
        discussion of defaults, light copy-editing.

2015-01-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * tsan.c (instrument_expr): corrected previous checkin.

2015-01-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        Instrument bit field and unaligned accesses for TSAN.
        * sanitizer.def (BUILT_IN_TSAN_READ_RANGE): New built-in function.
        (BUILT_IN_TSAN_WRITE_RANGE): New built-in function.
        * tsan.c (instrument_expr): Handle COMPONENT_REF and BIT_FIELD_REF.
        Use BUILT_IN_TSAN_READ_RANGE and BUILT_IN_TSAN_WRITE_RANGE for
        unaligned memory regions.

2015-01-01  Anthony Green  <green@moxielogic.com>

        * config/moxie/predicates.md (moxie_general_movsrc_operand):
        Restrict move source register offsets to 16 bits.
\f
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