2014-03-21 Richard Biener <rguenther@suse.de>

[official-gcc.git] / gcc / ChangeLog

2014-03-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/60577
        * tree-core.h (struct tree_base): Document nothrow_flag use
        in VAR_DECL_NONALIASED.
        * tree.h (VAR_DECL_NONALIASED): New.
        (may_be_aliased): Adjust.
        * coverage.c (build_var): Set VAR_DECL_NONALIASED.

2014-03-20  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (expand_expr_real_1): Remove outdated comment.

2014-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/60597
        * ira.c (adjust_cleared_regs): Call copy_rtx on
        *reg_equiv[REGNO (loc)].src_p before passing it to
        simplify_replace_fn_rtx.

        PR target/60568
        * config/i386/i386.c (x86_output_mi_thunk): Surround UNSPEC_GOT
        into CONST, put pic register as first operand of PLUS.  Use
        gen_const_mem for both 32-bit and 64-bit PIC got loads.

2014-03-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64.c (MEMORY_MOVE_COST): Delete.

2014-03-20  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_do_work_around_errata): Implement work
        around for store forwarding issue in the FPU on the UT699.
        * config/sparc/sparc.md (in_branch_delay): Return false for single FP
        loads and operations if -mfix-ut699 is specified.
        (divtf3_hq): Tweak attribute.
        (sqrttf2_hq): Likewise.

2014-03-20  Eric Botcazou  <ebotcazou@adacore.com>

        * calls.c (store_one_arg): Remove incorrect const qualification on the
        type of the temporary.
        * cfgexpand.c (expand_return): Likewise.
        * expr.c (expand_constructor): Likewise.
        (expand_expr_real_1): Likewise.

2014-03-20  Zhenqiang Chen  <zhenqiang.chen@linaro.org>

        * config/arm/arm.c (arm_dwarf_register_span): Update the element number
        of parts.

2014-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/60039
        * config/sh/sh.md (udivsi3_i1): Clobber R1 register.

2014-03-19  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/aarch-common-protos.h
        (alu_cost_table): Fix spelling of "extend".
        * config/arm/arm.c (arm_new_rtx_costs): Fix spelling of "extend".

2014-03-19  Richard Biener  <rguenther@suse.de>

        PR middle-end/60553
        * tree-core.h (tree_type_common): Re-order pointer members
        to reduce recursion depth during GC walks.

2014-03-19  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/60569
        * ubsan.c (ubsan_type_descriptor): Check that DECL_NAME is nonnull
        before accessing it.

2014-03-19  Richard Biener  <rguenther@suse.de>

        PR lto/59543
        * lto-streamer-in.c (input_function): In WPA stage do not drop
        debug stmts.

2014-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/60559
        * vectorizable_mask_load_store): Replace scalar MASK_LOAD
        with build_zero_cst assignment.

2014-03-18  Kai Tietz  <ktietz@redhat.com>

        PR rtl-optimization/56356
        * sdbout.c (sdbout_parms): Verify that parms'
        incoming argument is valid.
        (sdbout_reg_parms): Likewise.

2014-03-18  Richard Henderson  <rth@redhat.com>

        PR target/60562
        * config/i386/i386.md (*float<SWI48x><MODEF>2_i387): Move down to
        be shadowed by *float<SWI48><MODEF>2_sse.  Test X87_ENABLE_FLOAT.
        (*float<SWI48><MODEF>2_sse): Check X87_ENABLE_FLOAT for alternative 0.

2014-03-18  Basile Starynkevitch  <basile@starynkevitch.net>

        * plugin.def: Improve comment for PLUGIN_INCLUDE_FILE.
        * doc/plugins.texi (Plugin callbacks): Mention
        PLUGIN_INCLUDE_FILE.
        Italicize plugin event names in description.  Explain that
        PLUGIN_PRAGMAS has no sense for lto1. Explain
        PLUGIN_INCLUDE_FILE.
        Remind that no GCC functions should be called after
        PLUGIN_FINISH.
        Explain what pragmas with expansion are.

2014-03-18  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_update_edges_for_call_stmt_node): Added case when
        gimple call statement is update.
        * gimple-fold.c (gimple_fold_call): Changed order for GIMPLE_ASSIGN and
        GIMPLE_CALL, where gsi iterator still points to GIMPLE CALL.

2014-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/60557
        * ubsan.c (ubsan_instrument_unreachable): Call
        initialize_sanitizer_builtins.
        (ubsan_pass): Likewise.

        PR sanitizer/60535
        * ubsan.c (ubsan_type_descriptor, ubsan_create_data): Call
        varpool_finalize_decl instead of rest_of_decl_compilation.

2014-03-18  Richard Biener  <rguenther@suse.de>

        * df-problems.c (df_rd_confluence_n): Avoid bitmap_copy
        by using bitmap_and_compl instead of bitmap_and_compl_into.
        (df_rd_transfer_function): Likewise.

2014-03-18  Richard Biener  <rguenther@suse.de>

        * doc/lto.texi (fresolution): Fix typo.

2014-03-18  Richard Biener  <rguenther@suse.de>

        * doc/invoke.texi (flto): Update for changes in 4.9.

2014-03-18  Richard Biener  <rguenther@suse.de>

        * doc/loop.texi: Remove section on the removed lambda framework.
        Update loop docs with recent changes in preserving loop structure.

2014-03-18  Richard Biener  <rguenther@suse.de>

        * doc/lto.texi (-fresolution): Document.

2014-03-18  Richard Biener  <rguenther@suse.de>

        * doc/contrib.texi: Adjust my name.

2014-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/58721
        * internal-fn.c: Include diagnostic-core.h.
        (expand_BUILTIN_EXPECT): New function.
        * gimplify.c (gimplify_call_expr): Use false instead of FALSE.
        (gimplify_modify_expr): Gimplify 3 argument __builtin_expect into
        IFN_BUILTIN_EXPECT call instead of __builtin_expect builtin call.
        * ipa-inline-analysis.c (find_foldable_builtin_expect): Handle
        IFN_BUILTIN_EXPECT.
        * predict.c (expr_expected_value_1): Handle IFN_BUILTIN_EXPECT.
        Revert 3 argument __builtin_expect code.
        (strip_predict_hints): Handle IFN_BUILTIN_EXPECT.
        * gimple-fold.c (gimple_fold_call): Likewise.
        * tree.h (fold_builtin_expect): New prototype.
        * builtins.c (build_builtin_expect_predicate): Add predictor
        argument, if non-NULL, create 3 argument __builtin_expect.
        (fold_builtin_expect): No longer static.  Add ARG2 argument,
        pass it through to build_builtin_expect_predicate.
        (fold_builtin_2): Adjust caller.
        (fold_builtin_3): Handle BUILT_IN_EXPECT.
        * internal-fn.def (BUILTIN_EXPECT): New.

2014-03-18  Tobias Burnus  <burnus@net-b.de>

        PR ipa/58721
        * predict.def (PRED_FORTRAN_OVERFLOW, PRED_FORTRAN_FAIL_ALLOC,
        PRED_FORTRAN_FAIL_IO, PRED_FORTRAN_WARN_ONCE, PRED_FORTRAN_SIZE_ZERO,
        PRED_FORTRAN_INVALID_BOUND, PRED_FORTRAN_ABSENT_DUMMY): Add.

2014-03-18  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/58721
        * predict.c (combine_predictions_for_bb): Fix up formatting.
        (expr_expected_value_1, expr_expected_value): Add predictor argument,
        fill what it points to if non-NULL.
        (tree_predict_by_opcode): Adjust caller, use the predictor.
        * predict.def (PRED_COMPARE_AND_SWAP): Add.

2014-03-18  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_do_work_around_errata): Speed up and use
        proper constant for the store mode.

2014-03-18  Ilya Enkovich  <ilya.enkovich@intel.com>

        * symtab.c (change_decl_assembler_name): Fix transparent alias
        chain construction.

2014-03-16  Renlin Li  <Renlin.Li@arm.com>

        * config/aarch64/aarch64.c: Correct the comments about the
        aarch64 stack layout.

2014-03-18  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-low.c (lower_rec_input_clauses) <build_omp_barrier>: Restore
        check for GF_OMP_FOR_KIND_FOR.

2013-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.h (ADDITIONAL_REGISTER_NAMES): Add
        ymm and zmm register names.

2014-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR target/60516
        * config/i386/i386.c (ix86_expand_epilogue): Adjust REG_CFA_ADJUST_CFA
        note creation for the 2010-08-31 changes.

2014-03-17  Marek Polacek  <polacek@redhat.com>

        PR middle-end/60534
        * omp-low.c (omp_max_vf): Treat -fno-tree-loop-optimize the same
        as -fno-tree-loop-vectorize.
        (expand_omp_simd): Likewise.

2014-03-15  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc-protos.h (tls_call_delay): Delete.
        (eligible_for_call_delay): New prototype.
        * config/sparc/sparc.c (tls_call_delay): Rename into...
        (eligible_for_call_delay): ...this.  Return false if the instruction
        cannot be put in the delay slot of a branch.
        (eligible_for_restore_insn): Simplify.
        (eligible_for_return_delay): Return false if the instruction cannot be
        put in the delay slot of a branch and simplify.
        (eligible_for_sibcall_delay): Return false if the instruction cannot be
        put in the delay slot of a branch.
        * config/sparc/sparc.md (fix_ut699): New attribute.
        (tls_call_delay): Delete.
        (in_call_delay): Reimplement.
        (eligible_for_sibcall_delay): Rename into...
        (in_sibcall_delay): ...this.
        (eligible_for_return_delay): Rename into...
        (in_return_delay): ...this.
        (in_branch_delay): Reimplement.
        (in_uncond_branch_delay): Delete.
        (in_annul_branch_delay): Delete.

2014-03-14  Richard Henderson  <rth@redhat.com>

        PR target/60525
        * config/i386/i386.md (floathi<X87MODEF>2): Delete expander; rename
        define_insn from *floathi<X87MODEF>2_i387; allow nonimmediate_operand.
        (*floathi<X87MODEF>2_i387_with_temp): Remove.
        (floathi splitters): Remove.
        (float<SWI48x>xf2): New pattern.
        (float<SWI48><MODEF>2): Rename from float<SWI48x><X87MODEF>2.  Drop
        code that tried to handle DImode for 32-bit, but which was excluded
        by the pattern's condition.  Drop allocation of stack temporary.
        (*floatsi<MODEF>2_vector_mixed_with_temp): Remove.
        (*float<SWI48><MODEF>2_mixed_with_temp): Remove.
        (*float<SWI48><MODEF>2_mixed_interunit): Remove.
        (*float<SWI48><MODEF>2_mixed_nointerunit): Remove.
        (*floatsi<MODEF>2_vector_sse_with_temp): Remove.
        (*float<SWI48><MODEF>2_sse_with_temp): Remove.
        (*float<SWI48><MODEF>2_sse_interunit): Remove.
        (*float<SWI48><MODEF>2_sse_nointerunit): Remove.
        (*float<SWI48x><X87MODEF>2_i387_with_temp): Remove.
        (*float<SWI48x><X87MODEF>2_i387): Remove.
        (all float _with_temp splitters): Remove.
        (*float<SWI48x><MODEF>2_i387): New pattern.
        (*float<SWI48><MODEF>2_sse): New pattern.
        (float TARGET_USE_VECTOR_CONVERTS splitters): Merge them.
        (float TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters): Merge them.

2014-03-14  Jakub Jelinek  <jakub@redhat.com>
            Marek Polacek  <polacek@redhat.com>

        PR middle-end/60484
        * common.opt (dump_base_name_prefixed): New Variable.
        * opts.c (finish_options): Don't prepend directory to x_dump_base_name
        if x_dump_base_name_prefixed is already set, set it at the end.

2014-03-14  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/60508
        * lra-constraints.c (get_reload_reg): Add new parameter
        in_subreg_p.
        (process_addr_reg, simplify_operand_subreg, curr_insn_transform):
        Pass the new parameter values.

2014-03-14  Richard Biener  <rguenther@suse.de>

        * common.opt: Revert unintented changes from r205065.
        * opts.c: Likewise.

2014-03-14  Richard Biener  <rguenther@suse.de>

        PR middle-end/60518
        * cfghooks.c (split_block): Properly adjust all loops the
        block was a latch of.

2014-03-14  Martin Jambor  <mjambor@suse.cz>

        PR lto/60461
        * ipa-prop.c (ipa_modify_call_arguments): Fix iteration condition
        and simplify it.

2014-03-14  Georg-Johann Lay  <avr@gjlay.de>

        PR target/59396
        * config/avr/avr.c (avr_set_current_function): Pass function name
        through default_strip_name_encoding before sanity checking instead
        of skipping the first char of the assembler name.

2014-03-13  Richard Henderson  <rth@redhat.com>

        PR debug/60438
        * config/i386/i386.c (ix86_split_fp_branch): Remove pushed argument.
        (ix86_force_to_memory, ix86_free_from_memory): Remove.
        * config/i386/i386-protos.h: Likewise.
        * config/i386/i386.md (floathi<X87MODEF>2): Use assign_386_stack_local
        in the expander instead of a splitter.
        (float<SWI48x><X87MODEF>2): Use assign_386_stack_local if there is
        any possibility of requiring a memory.
        (*floatsi<MODEF>2_vector_mixed): Remove, and the splitters.
        (*floatsi<MODEF>2_vector_sse): Remove, and the splitters.
        (fp branch splitters): Update for ix86_split_fp_branch.
        (*jcc<X87MODEF>_<SWI24>_i387): Remove r/f alternative.
        (*jcc<X87MODEF>_<SWI24>_r_i387): Likewise.
        (splitter for jcc<X87MODEF>_<SWI24>_i387 r/f): Remove.
        (*fop_<MODEF>_2_i387): Remove f/r alternative.
        (*fop_<MODEF>_3_i387): Likewise.
        (*fop_xf_2_i387, *fop_xf_3_i387): Likewise.
        (splitters for the fop_* register patterns): Remove.
        (fscalexf4_i387): Rename from *fscalexf4_i387.
        (ldexpxf3): Use gen_floatsixf2 and gen_fscalexf4_i387.
        
2014-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/59779
        * tree-dfa.c (get_ref_base_and_extent): Use double_int
        type for bitsize and maxsize instead of HOST_WIDE_INT.

2014-03-13  Steven Bosscher  <steven@gcc.gnu.org>

        PR rtl-optimization/57320
        * function.c (rest_of_handle_thread_prologue_and_epilogue): Cleanup
        the CFG after thread_prologue_and_epilogue_insns.

2014-03-13  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/57189
        * lra-constraints.c (process_alt_operands): Disfavor spilling
        vector pseudos.

2014-03-13  Cesar Philippidis  <cesar@codesourcery.com>

        * lto-wrapper.c (maybe_unlink_file): Suppress diagnostic
        messages.

2014-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/59025
        PR middle-end/60418
        * tree-ssa-reassoc.c (sort_by_operand_rank): For SSA_NAMEs with the
        same rank, sort by bb_rank and gimple_uid of SSA_NAME_DEF_STMT first.

2014-03-13  Georg-Johann Lay  <avr@gjlay.de>

        PR target/60486
        * config/avr/avr.c (avr_out_plus): Swap cc_plus and cc_minus in
        calls of avr_out_plus_1.

2014-03-13  Bin Cheng  <bin.cheng@arm.com>

        * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Record
        BB's single pred and update the father loop's latch info later.

2014-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/vector.md (VEC_L): Add V1TI mode to vector types.
        (VEC_M): Likewise.
        (VEC_N): Likewise.
        (VEC_R): Likewise.
        (VEC_base): Likewise.
        (mov<MODE>, VEC_M modes): If we are loading TImode into VSX
        registers, we need to swap double words in little endian mode.

        * config/rs6000/rs6000-modes.def (V1TImode): Add new vector mode
        to be a container mode for 128-bit integer operations added in ISA
        2.07.  Unlike TImode and PTImode, the preferred register set is
        the Altivec/VMX registers for the 128-bit operations.

        * config/rs6000/rs6000-protos.h (rs6000_move_128bit_ok_p): Add
        declarations.
        (rs6000_split_128bit_ok_p): Likewise.

        * config/rs6000/rs6000-builtin.def (BU_P8V_AV_3): Add new support
        macros for creating ISA 2.07 normal and overloaded builtin
        functions with 3 arguments.
        (BU_P8V_OVERLOAD_3): Likewise.
        (VPERM_1T): Add support for V1TImode in 128-bit vector operations
        for use as overloaded functions.
        (VPERM_1TI_UNS): Likewise.
        (VSEL_1TI): Likewise.
        (VSEL_1TI_UNS): Likewise.
        (ST_INTERNAL_1ti): Likewise.
        (LD_INTERNAL_1ti): Likewise.
        (XXSEL_1TI): Likewise.
        (XXSEL_1TI_UNS): Likewise.
        (VPERM_1TI): Likewise.
        (VPERM_1TI_UNS): Likewise.
        (XXPERMDI_1TI): Likewise.
        (SET_1TI): Likewise.
        (LXVD2X_V1TI): Likewise.
        (STXVD2X_V1TI): Likewise.
        (VEC_INIT_V1TI): Likewise.
        (VEC_SET_V1TI): Likewise.
        (VEC_EXT_V1TI): Likewise.
        (EQV_V1TI): Likewise.
        (NAND_V1TI): Likewise.
        (ORC_V1TI): Likewise.
        (VADDCUQ): Add support for 128-bit integer arithmetic instructions
        added in ISA 2.07.  Add both normal 'altivec' builtins, and the
        overloaded builtin.
        (VADDUQM): Likewise.
        (VSUBCUQ): Likewise.
        (VADDEUQM): Likewise.
        (VADDECUQ): Likewise.
        (VSUBEUQM): Likewise.
        (VSUBECUQ): Likewise.

        * config/rs6000/rs6000-c.c (__int128_type): New static to hold
        __int128_t and __uint128_t types.
        (__uint128_type): Likewise.
        (altivec_categorize_keyword): Add support for vector __int128_t,
        vector __uint128_t, vector __int128, and vector unsigned __int128
        as a container type for TImode operations that need to be done in
        VSX/Altivec registers.
        (rs6000_macro_to_expand): Likewise.
        (altivec_overloaded_builtins): Add ISA 2.07 overloaded functions
        to support 128-bit integer instructions vaddcuq, vadduqm,
        vaddecuq, vaddeuqm, vsubcuq, vsubuqm, vsubecuq, vsubeuqm.
        (altivec_resolve_overloaded_builtin): Add support for V1TImode.

        * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
        for V1TImode, and set up preferences to use VSX/Altivec registers.
        Setup VSX reload handlers.
        (rs6000_debug_reg_global): Likewise.
        (rs6000_init_hard_regno_mode_ok): Likewise.
        (rs6000_preferred_simd_mode): Likewise.
        (vspltis_constant): Do not allow V1TImode as easy altivec constants.
        (easy_altivec_constant): Likewise.
        (output_vec_const_move): Likewise.
        (rs6000_expand_vector_set): Convert V1TImode set and extract to
        simple move.
        (rs6000_expand_vector_extract): Likewise.
        (reg_offset_addressing_ok_p): Setup V1TImode to use VSX reg+reg
        addressing.
        (rs6000_const_vec): Add support for V1TImode.
        (rs6000_emit_le_vsx_load): Swap double words when loading or
        storing TImode/V1TImode.
        (rs6000_emit_le_vsx_store): Likewise.
        (rs6000_emit_le_vsx_move): Likewise.
        (rs6000_emit_move): Add support for V1TImode.
        (altivec_expand_ld_builtin): Likewise.
        (altivec_expand_st_builtin): Likewise.
        (altivec_expand_vec_init_builtin): Likewise.
        (altivec_expand_builtin): Likewise.
        (rs6000_init_builtins): Add support for V1TImode type.  Add
        support for ISA 2.07 128-bit integer builtins.  Define type names
        for the VSX/Altivec vector types.
        (altivec_init_builtins): Add support for overloaded vector
        functions with V1TImode type.
        (rs6000_preferred_reload_class): Prefer Altivec registers for V1TImode.
        (rs6000_move_128bit_ok_p): Move 128-bit move/split validation to
        external function.
        (rs6000_split_128bit_ok_p): Likewise.
        (rs6000_handle_altivec_attribute): Create V1TImode from vector
        __int128_t and vector __uint128_t.

        * config/rs6000/vsx.md (VSX_L): Add V1TImode to vector iterators
        and mode attributes.
        (VSX_M): Likewise.
        (VSX_M2): Likewise.
        (VSm): Likewise.
        (VSs): Likewise.
        (VSr): Likewise.
        (VSv): Likewise.
        (VS_scalar): Likewise.
        (VS_double): Likewise.
        (vsx_set_v1ti): New builtin function to create V1TImode from TImode.

        * config/rs6000/rs6000.h (TARGET_VADDUQM): New macro to say whether
        we support the ISA 2.07 128-bit integer arithmetic instructions.
        (ALTIVEC_OR_VSX_VECTOR_MODE): Add V1TImode.
        (enum rs6000_builtin_type_index): Add fields to hold V1TImode
        and TImode types for use with the builtin functions.
        (V1TI_type_node): Likewise.
        (unsigned_V1TI_type_node): Likewise.
        (intTI_type_internal_node): Likewise.
        (uintTI_type_internal_node): Likewise.

        * config/rs6000/altivec.md (UNSPEC_VADDCUQ): New unspecs for ISA 2.07
        128-bit builtin functions.
        (UNSPEC_VADDEUQM): Likewise.
        (UNSPEC_VADDECUQ): Likewise.
        (UNSPEC_VSUBCUQ): Likewise.
        (UNSPEC_VSUBEUQM): Likewise.
        (UNSPEC_VSUBECUQ): Likewise.
        (VM): Add V1TImode to vector mode iterators.
        (VM2): Likewise.
        (VI_unit): Likewise.
        (altivec_vadduqm): Add ISA 2.07 128-bit binary builtins.
        (altivec_vaddcuq): Likewise.
        (altivec_vsubuqm): Likewise.
        (altivec_vsubcuq): Likewise.
        (altivec_vaddeuqm): Likewise.
        (altivec_vaddecuq): Likewise.
        (altivec_vsubeuqm): Likewise.
        (altivec_vsubecuq): Likewise.

        * config/rs6000/rs6000.md (FMOVE128_GPR): Add V1TImode to vector
        mode iterators.
        (BOOL_128): Likewise.
        (BOOL_REGS_OUTPUT): Likewise.
        (BOOL_REGS_OP1): Likewise.
        (BOOL_REGS_OP2): Likewise.
        (BOOL_REGS_UNARY): Likewise.
        (BOOL_REGS_AND_CR0): Likewise.

        * config/rs6000/altivec.h (vec_vaddcuq): Add support for ISA 2.07
        128-bit integer builtin support.
        (vec_vadduqm): Likewise.
        (vec_vaddecuq): Likewise.
        (vec_vaddeuqm): Likewise.
        (vec_vsubecuq): Likewise.
        (vec_vsubeuqm): Likewise.
        (vec_vsubcuq): Likewise.
        (vec_vsubuqm): Likewise.

        * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
        Document vec_vaddcuq, vec_vadduqm, vec_vaddecuq, vec_vaddeuqm,
        vec_subecuq, vec_subeuqm, vec_vsubcuq, vec_vsubeqm builtins adding
        128-bit integer add/subtract to ISA 2.07.

2014-03-12  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/arc/arc.c (arc_predicate_delay_insns):
        Fix third argument passed to conditionalize_nonjump.

2014-03-12  Yufeng Zhang  <yufeng.zhang@arm.com>

        * config/aarch64/aarch64-builtins.c
        (aarch64_builtin_vectorized_function): Add BUILT_IN_LFLOORF,
        BUILT_IN_LLFLOOR, BUILT_IN_LCEILF and BUILT_IN_LLCEIL.
        * config/aarch64/arm_neon.h (vcvtaq_u64_f64): Call __builtin_llfloor
        instead of __builtin_lfloor.
        (vcvtnq_u64_f64): Call __builtin_llceil instead of __builtin_lceil.

2014-03-12  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-ifcombine.c (forwarder_block_to): New function.
        (tree_ssa_ifcombine_bb_1): New function.
        (tree_ssa_ifcombine_bb): Use it.  Handle also cases where else_bb
        is an empty forwarder block to then_bb or vice versa and then_bb
        and else_bb are effectively swapped.

2014-03-12  Christian Bruel  <christian.bruel@st.com>

        PR target/60264
        * config/arm/arm.c (arm_emit_vfp_multi_reg_pop): Emit a
        REG_CFA_DEF_CFA note.
        (arm_expand_epilogue_apcs_frame): call arm_add_cfa_adjust_cfa_note.
        (arm_unwind_emit): Allow REG_CFA_DEF_CFA.

2014-03-12  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/60454
        * tree-ssa-math-opts.c (find_bswap_1): Fix bswap detection.

2014-03-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config.gcc (aarch64*-*-*): Use ISA flags from aarch64-arches.def.
        Do not define target_cpu_default2 to generic.
        * config/aarch64/aarch64.h (TARGET_CPU_DEFAULT): Use generic cpu.
        * config/aarch64/aarch64.c (aarch64_override_options): Update comment.
        * config/aarch64/aarch64-arches.def (armv8-a): Use generic cpu.

2014-03-12  Jakub Jelinek  <jakub@redhat.com>
            Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/60502
        * tree-ssa-reassoc.c (eliminate_not_pairs): Use build_all_ones_cst
        instead of build_low_bits_mask.

2014-03-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/60482
        * tree-vrp.c (register_edge_assert_for_1): Don't add assert
        if there are multiple uses, but op doesn't live on E edge.
        * tree-cfg.c (assert_unreachable_fallthru_edge_p): Also ignore
        clobber stmts before __builtin_unreachable.

2014-03-11  Richard Sandiford  <rdsandiford@googlemail.com>

        * builtins.c (expand_builtin_setjmp_receiver): Use and clobber
        hard_frame_pointer_rtx.
        * cse.c (cse_insn): Remove volatile check.
        * cselib.c (cselib_process_insn): Likewise.
        * dse.c (scan_insn): Likewise.

2014-03-11  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/arc/arc.c (conditionalize_nonjump): New function,
        broken out of ...
        (arc_ifcvt): ... this.
        (arc_predicate_delay_insns): Use it.

2014-03-11  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/arc/predicates.md (extend_operand): During/after reload,
        allow const_int_operand.
        * config/arc/arc.md (mulsidi3_700): Use extend_operand predicate.
        (umulsidi3_700): Likewise.  Change operand 2 constraint back to "cL".
        (mulsi3_highpart): Change operand 2 constraint alternatives 2 and 3
        to "i".
        (umulsi3_highpart_i): Likewise.

2014-03-11  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
        Add asserts to guard possible wrong-code bugs.

2014-03-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/60429
        PR tree-optimization/60485
        * tree-ssa-structalias.c (set_union_with_increment): Properly
        take into account all fields that overlap the shifted vars.
        (do_sd_constraint): Likewise.
        (do_ds_constraint): Likewise.
        (get_constraint_for_ptr_offset): Likewise.

2014-03-11  Chung-Lin Tang  <cltang@codesourcery.com>

        * config/nios2/nios2.c (machine_function): Add fp_save_offset field.
        (nios2_compute_frame_layout):
        Add calculation of cfun->machine->fp_save_offset.
        (nios2_expand_prologue): Correct setting of frame pointer register
        in prologue.
        (nios2_expand_epilogue): Update recovery of stack pointer from
        frame pointer accordingly.
        (nios2_initial_elimination_offset): Update calculation of offset
        for eliminating to HARD_FRAME_POINTER_REGNUM.

2014-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/60457
        * ipa.c (symtab_remove_unreachable_nodes): Don't call
        cgraph_get_create_node on VAR_DECLs.

2014-03-10  Richard Biener  <rguenther@suse.de>

        PR middle-end/60474
        * tree.c (signed_or_unsigned_type_for): Handle OFFSET_TYPEs.

2014-03-08  Douglas B Rupp  <rupp@gnat.com>

        * config/vms/vms.opt (vms_float_format): New variable.

2014-03-08  Tobias Burnus  <burnus@net-b.de>

        * doc/invoke.texi (-fcilkplus): Update implementation status.

2014-03-08  Paulo Matos  <paulo@matos-sorge.com>
            Richard Biener  <rguenther@suse.de>

        * lto-wrapper.c (merge_and_complain): Ensure -fshort-double is used
        consistently accross all TUs.
        (run_gcc): Enable -fshort-double automatically at link at link-time
        and disallow override.

2014-03-08  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/58271
        * config/mips/mips.c (mips_option_override): Promote -mpaired-single
        warning to an error.  Disable TARGET_PAIRED_SINGLE and TARGET_MIPS3D
        if they can't be used.

2014-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (HAVE_AS_IX86_TLSLDMPLT): Improve test
        for Solaris 11/x86 ld.
        * configure: Regenerate.

2014-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (TLS_SECTION_ASM_FLAG): Save as tls_section_flag.
        (LIB_TLS_SPEC): Save as ld_tls_libs.
        (HAVE_AS_IX86_TLSLDMPLT): Define as 1/0.
        (HAVE_AS_IX86_TLSLDM): New test.
        * configure, config.in: Regenerate.
        * config/i386/i386.c (legitimize_tls_address): Fall back to
        TLS_MODEL_GLOBAL_DYNAMIC on 32-bit Solaris/x86 if tool chain
        cannot support TLS_MODEL_LOCAL_DYNAMIC.
        * config/i386/i386.md (*tls_local_dynamic_base_32_gnu): Use if
        instead of #ifdef in HAVE_AS_IX86_TLSLDMPLT test.

2014-03-07  Paulo Matos  <paulo@matos-sorge.com>

        * common.opt (fira-loop-pressure): Mark as optimization.

2014-03-07  Thomas Schwinge  <thomas@codesourcery.com>

        * langhooks.c (lhd_omp_mappable_type): The error_mark_node is not
        an OpenMP mappable type.

2014-03-06  Matthias Klose  <doko@ubuntu.com>

        * Makefile.in (s-mlib): Only pass MULTIARCH_DIRNAME if
        MULTILIB_OSDIRNAMES is not defined.

2014-03-06  Jakub Jelinek  <jakub@redhat.com>
            Meador Inge  <meadori@codesourcery.com>

        PR target/58595
        * config/arm/arm.c (arm_tls_symbol_p): Remove.
        (arm_legitimize_address): Call legitimize_tls_address for any
        arm_tls_referenced_p expression, handle constant addend.  Call it
        before testing for !TARGET_ARM.
        (thumb_legitimize_address): Don't handle arm_tls_symbol_p here.

2014-03-06  Richard Biener  <rguenther@suse.de>

        PR middle-end/60445
        PR lto/60424
        PR lto/60427
        Revert
        2014-03-04  Paulo Matos  <paulo@matos-sorge.com>

        * tree-streamer.c (record_common_node): Assert we don't record
        nodes with type double.
        (preload_common_node): Skip type double, complex double and double
        pointer since it is now frontend dependent due to fshort-double option.

2014-03-06  Richard Biener  <rguenther@suse.de>

        * gcc.c (PLUGIN_COND): Always enable unless -fno-use-linker-plugin
        or -fno-lto is specified and the linker has full plugin support.
        * collect2.c (lto_mode): Default to LTO_MODE_WHOPR if LTO is enabled.
        (main): Remove -flto processing, adjust lto_mode using use_plugin late.
        * lto-wrapper.c (merge_and_complain): Merge compile-time
        optimization levels.
        (run_gcc): And pass it through to the link options.

2014-03-06  Alexandre Oliva <aoliva@redhat.com>

        PR debug/60381
        Revert:
        2014-02-28  Alexandre Oliva <aoliva@redhat.com>
        PR debug/59992
        * cselib.c (remove_useless_values): Skip to avoid quadratic
        behavior if the condition moved from...
        (cselib_process_insn): ... here holds.

2014-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR plugins/59335
        * Makefile.in (PLUGIN_HEADERS): Add tree-phinodes.h, stor-layout.h,
        ssa-iterators.h, $(RESOURCE_H) and tree-cfgcleanup.h.

        PR plugins/59335
        * config/i386/t-i386 (OPTIONS_H_EXTRA): Add stringop.def.
        (TM_H): Add x86-tune.def.

2014-03-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (generic_tunings):
        Use cortexa57_extra_costs.

2014-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR lto/60404
        * cfgexpand.c (expand_used_vars): Do not assume all SSA_NAMEs
        of PARM/RESULT_DECLs must be coalesced with optimize && in_lto_p.
        * tree-ssa-coalesce.c (coalesce_ssa_name): Use MUST_COALESCE_COST - 1
        cost for in_lto_p.

2014-03-04  Heiher  <r@hev.cc>

        * config/mips/mips-cpus.def (loongson3a): Mark as a MIPS64r2 processor.
        * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Adjust accordingly.

2014-03-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (const2356_operand): Change to ...
        (const2367_operand): ... this.
        * config/i386/sse.md (avx512pf_scatterpf<mode>sf): Use
        const2367_operand.
        (*avx512pf_scatterpf<mode>sf_mask): Ditto.
        (*avx512pf_scatterpf<mode>sf): Ditto.
        (avx512pf_scatterpf<mode>df): Ditto.
        (*avx512pf_scatterpf<mode>df_mask): Ditto.
        (*avx512pf_scatterpf<mode>df): Ditto.
        * config/i386/i386.c (ix86_expand_builtin): Update
        incorrect hint operand error message.

2014-03-04  Richard Biener  <rguenther@suse.de>

        * lto-section-in.c (lto_get_section_data): Fix const cast.

2014-03-04  Paulo Matos  <paulo@matos-sorge.com>

        * tree-streamer.c (record_common_node): Assert we don't record
        nodes with type double.
        (preload_common_node): Skip type double, complex double and double
        pointer since it is now frontend dependent due to fshort-double option.

2014-03-04  Richard Biener  <rguenther@suse.de>

        PR lto/60405
        * lto-streamer-in.c (lto_read_body): Remove LTO bytecode version check.
        (lto_input_toplevel_asms): Likewise.
        * lto-section-in.c (lto_get_section_data): Instead do it here
        for every section.

2014-03-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/60382
        * tree-vect-loop.c (vect_is_simple_reduction_1): Do not consider
        dead PHIs a reduction.

2014-03-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/xmmintrin.h (enum _mm_hint) <_MM_HINT_ET0>: Correct
        hint value.
        (_mm_prefetch): Move out of GCC target("sse") pragma.
        * config/i386/prfchwintrin.h (_m_prefetchw): Move out of
        GCC target("prfchw") pragma.
        * config/i386/i386.md (prefetch): Emit prefetchwt1 only
        for locality <= 2.
        * config/i386/i386.c (ix86_option_override_internal): Enable
        -mprfchw with -mprefetchwt1.

2014-03-03  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/arc/arc.md (casesi_load) <length attribute alternative 0>:
        Mark as varying.

2014-03-03  Joern Rennecke  <joern.rennecke@embecosm.com>

        * opts.h (CL_PCH_IGNORE): Define.
        * targhooks.c (option_affects_pch_p):
        Return false for options that have CL_PCH_IGNORE set.
        * opt-functions.awk: Process PchIgnore.
        * doc/options.texi: Document PchIgnore.

        * config/arc/arc.opt (misize): Add PchIgnore property.

2014-03-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_preferred_reload_class): Disallow
        reload of PLUS rtx's outside of GENERAL_REGS or BASE_REGS; relax
        constraint on constants to permit them being loaded into
        GENERAL_REGS or BASE_REGS.

2014-03-03  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78-real.md (cbranchsi4_real_signed): Add
        anti-cacnonical alternatives.
        (negandhi3_real): New pattern.
        * config/rl78/rl78-virt.md (negandhi3_virt): New pattern.

2014-03-03  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        * config/avr/avr-mcus.def: Remove atxmega16x1.
        * config/avr/avr-tables.opt: Regenerate.
        * config/avr/t-multilib: Regenerate.
        * doc/avr-mmcu.texi: Regenerate.

2014-03-03  Tobias Grosser  <tobias@grosser.es>
            Mircea Namolaru  <mircea.namolaru@inria.fr>

        PR tree-optimization/58028
        * graphite-clast-to-gimple.c (set_cloog_options): Don't remove
        scalar dimensions.

2014-03-03  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/neon.md (*movmisalign<mode>): Legitimize addresses
        not handled by recognizers.

2014-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/60175
        * function.c (expand_function_end): Don't emit
        clobber_return_register sequence if clobber_after is a BARRIER.
        * cfgexpand.c (construct_exit_block): Append instructions before
        return_label to prev_bb.

2014-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/constraints.md: Document reserved use of "wc".

2014-03-02  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/60150
        * ipa.c (function_and_variable_visibility): When dissolving comdat
        group, also set all symbols to local.

2014-03-02  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/60306

        Revert:
        2013-12-14   Jan Hubicka  <jh@suse.cz>
        PR middle-end/58477
        * ipa-prop.c (stmt_may_be_vtbl_ptr_store): Skip clobbers.

2014-03-02  Jon Beniston  <jon@beniston.com>

        PR bootstrap/48230
        PR bootstrap/50927
        PR bootstrap/52466
        PR target/46898
        * config/lm32/lm32.c (lm32_legitimate_constant_p): Remove, as incorrect.
          (TARGET_LEGITIMATE_CONSTANT_P): Undefine, as not needed.
        * config/lm32/lm32.md (movsi_insn): Add 32-bit immediate support.
        (simple_return, *simple_return): New patterns
        * config/lm32/predicates.md (movsi_rhs_operand): Remove as obsolete.
        * configure.ac (force_sjlj_exceptions): Force sjlj exceptions for lm32.

2014-03-01  Paolo Carlini  <paolo.carlini@oracle.com>

        * dwarf2out.c (gen_subprogram_die): Tidy.

2014-03-01  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/60071
        * config/sh/sh.md (*mov_t_msb_neg): Split into ...
        (*mov_t_msb_neg_negc): ... this new insn.

2014-02-28  Jason Merrill  <jason@redhat.com>

        PR c++/58678
        * ipa-devirt.c (ipa_devirt): Don't choose an implicitly-declared
        function.

2014-02-28  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60314
        * dwarf2out.c (decltype_auto_die): New static.
        (gen_subprogram_die): Handle 'decltype(auto)' like 'auto'.
        (gen_type_die_with_usage): Handle 'decltype(auto)'.
        (is_cxx_auto): Likewise.

2014-02-28  Ian Bolton  <ian.bolton@arm.com>

        * config/aarch64/aarch64.h: Define __ARM_NEON by default if
        we are not using general regs only.

2014-02-28  Richard Biener  <rguenther@suse.de>

        PR target/60280
        * tree-cfgcleanup.c (tree_forwarder_block_p): Restrict
        previous fix and only allow to remove trivial pre-headers
        and latches.  Also honor LOOPS_MAY_HAVE_MULTIPLE_LATCHES.
        (remove_forwarder_block): Properly update the latch of a loop.

2014-02-28  Alexandre Oliva <aoliva@redhat.com>

        PR debug/59992
        * cselib.c (cselib_hasher::equal): Special-case VALUE lookup.
        (cselib_preserved_hash_table): New.
        (preserve_constants_and_equivs): Move preserved vals to it.
        (cselib_find_slot): Look it up first.
        (cselib_init): Initialize it.
        (cselib_finish): Release it.
        (dump_cselib_table): Dump it.

2014-02-28  Alexandre Oliva <aoliva@redhat.com>

        PR debug/59992
        * cselib.c (remove_useless_values): Skip to avoid quadratic
        behavior if the condition moved from...
        (cselib_process_insn): ... here holds.

2014-02-28  Alexandre Oliva <aoliva@redhat.com>

        PR debug/57232
        * var-tracking.c (vt_initialize): Apply the same condition to
        preserve the CFA base value.

2014-02-28  Joey Ye  <joey.ye@arm.com>

        PR target/PR60169
        * config/arm/arm.c (thumb_far_jump_used_p): Don't change
        if reload in progress or completed.

2014-02-28  Tobias Burnus  <burnus@net-b.de>

        PR middle-end/60147
        * tree-pretty-print.c (dump_generic_node, print_declaration): Handle
        NAMELIST_DECL.

2014-02-27  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/tm.texi.in (Condition Code Status): Update documention for
        relative locations of cc0-setter and cc0-user.

2014-02-27  Jeff Law  <law@redhat.com>

        PR rtl-optimization/52714
        * combine.c (try_combine): When splitting an unrecognized PARALLEL
        into two independent simple sets, if I3 is a jump, ensure the
        pattern we place into I3 is a (set (pc) ...).

2014-02-27  Mikael Pettersson  <mikpe@it.uu.se>
            Jeff Law  <law@redhat.com>

        PR rtl-optimization/49847
        * cse.c (fold_rtx) Handle case where cc0 setter and cc0 user
        are in different blocks.
        * doc/tm.texi (Condition Code Status): Update documention for
        relative locations of cc0-setter and cc0-user.

2014-02-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/59222
        * lra.c (lra_emit_add): Check SUBREG too.

2014-02-27  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (m68k_option_override): Disable
        -flive-range-shrinkage for classic m68k.
        (m68k_override_options_after_change): Likewise.

2014-02-27  Marek Polacek  <polacek@redhat.com>

        PR middle-end/59223
        * tree-ssa-uninit.c (gate_warn_uninitialized): Run the pass even for
        -Wmaybe-uninitialized.

2014-02-27  Alan Modra  <amodra@gmail.com>

        PR target/57936
        * reload1.c (emit_input_reload_insns): When reload_override_in,
        set old to rl->in_reg when rl->in_reg is a subreg.

2014-02-26  Richard Biener  <rguenther@suse.de>

        PR bootstrap/60343
        * lra-assigns.c (spill_for): Avoid mixed-sign comparison.

2014-02-25  Ilya Tocar  <ilya.tocar@intel.com>

        * common/config/i386/predicates.md (const1256_operand): Remove.
        (const2356_operand): New.
        (const_1_to_2_operand): Remove.
        * config/i386/sse.md (avx512pf_gatherpf<mode>sf): Change hint value.
        (*avx512pf_gatherpf<mode>sf_mask): Ditto.
        (*avx512pf_gatherpf<mode>sf): Ditto.
        (avx512pf_gatherpf<mode>df): Ditto.
        (*avx512pf_gatherpf<mode>df_mask): Ditto.
        (*avx512pf_gatherpf<mode>df): Ditto.
        (avx512pf_scatterpf<mode>sf): Ditto.
        (*avx512pf_scatterpf<mode>sf_mask): Ditto.
        (*avx512pf_scatterpf<mode>sf): Ditto.
        (avx512pf_scatterpf<mode>df): Ditto.
        (*avx512pf_scatterpf<mode>df_mask): Ditto.
        (*avx512pf_scatterpf<mode>df): Ditto.
        * common/config/i386/xmmintrin.h (_mm_hint): Add _MM_HINT_ET0.

2014-02-26  Ilya Tocar  <ilya.tocar@intel.com>

        * config/i386/avx512fintrin.h (_mm512_testn_epi32_mask),
        (_mm512_mask_testn_epi32_mask), (_mm512_testn_epi64_mask),
        (_mm512_mask_testn_epi64_mask): Move to ...
        * config/i386/avx512cdintrin.h: Here.
        * config/i386/i386.c (bdesc_args): Change MASK_ISA for testnm.
        * config/i386/sse.md (avx512f_vmscalef<mode><round_name>): Remove %.
        (avx512f_scalef<mode><mask_name><round_name>): Ditto.
        (avx512f_testnm<mode>3<mask_scalar_merge_name>): Change conditon to
        TARGET_AVX512F from TARGET_AVX512CD.

2014-02-26  Richard Biener  <rguenther@suse.de>

        PR ipa/60327
        * ipa.c (walk_polymorphic_call_targets): Properly guard
        call to inline_update_overall_summary.

2014-02-26  Bin Cheng  <bin.cheng@arm.com>

        PR target/60280
        * tree-cfgcleanup.c (tree_forwarder_block_p): Protect loop preheaders
        and latches only if requested.  Fix latch if it is removed.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Set
        LOOPS_HAVE_PREHEADERS.

2014-02-25  Andrew Pinski  <apinski@cavium.com>

        * builtins.c (expand_builtin_thread_pointer): Create a new target
        when the target is NULL.

2014-02-25  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/60317
        * params.def (PARAM_LRA_MAX_CONSIDERED_RELOAD_PSEUDOS): New.
        * params.h (LRA_MAX_CONSIDERED_RELOAD_PSEUDOS): New.
        * lra-assigns.c: Include params.h.
        (spill_for): Use LRA_MAX_CONSIDERED_RELOAD_PSEUDOS as guard for
        other reload pseudos considerations.

2014-02-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/vector.md (*vector_unordered<mode>): Change split
        to use canonical form for nor<mode>3.

2014-02-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/55426
        * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Allow 128 to 64-bit
        conversions.

2014-02-25  Ilya Tocar  <ilya.tocar@intel.com>

        * common/config/i386/i386-common.c (OPTION_MASK_ISA_PREFETCHWT1_SET),
        (OPTION_MASK_ISA_PREFETCHWT1_UNSET): New.
        (ix86_handle_option): Handle OPT_mprefetchwt1.
        * config/i386/cpuid.h (bit_PREFETCHWT1): New.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        PREFETCHWT1 CPUID.
        * config/i386/i386-c.c (ix86_target_macros_internal): Handle
        OPTION_MASK_ISA_PREFETCHWT1.
        * config/i386/i386.c (ix86_target_string): Handle mprefetchwt1.
        (PTA_PREFETCHWT1): New.
        (ix86_option_override_internal): Handle PTA_PREFETCHWT1.
        (ix86_valid_target_attribute_inner_p): Handle OPT_mprefetchwt1.
        * config/i386/i386.h (TARGET_PREFETCHWT1, TARGET_PREFETCHWT1_P): New.
        * config/i386/i386.md (prefetch): Check TARGET_PREFETCHWT1
        (*prefetch_avx512pf_<mode>_: Change into ...
        (*prefetch_prefetchwt1_<mode>: This.
        * config/i386/i386.opt (mprefetchwt1): New.
        * config/i386/xmmintrin.h (_mm_hint): Add _MM_HINT_ET1.
        (_mm_prefetch): Handle intent to write.
        * doc/invoke.texi (mprefetchwt1), (mno-prefetchwt1): Doccument.

2014-02-25  Richard Biener  <rguenther@suse.de>

        PR middle-end/60291
        * emit-rtl.c (mem_attrs_htab): Remove.
        (mem_attrs_htab_hash): Likewise.
        (mem_attrs_htab_eq): Likewise.
        (set_mem_attrs): Always allocate new mem-attrs when something changed.
        (init_emit_once): Do not allocate mem_attrs_htab.

2014-02-25  Richard Biener  <rguenther@suse.de>

        PR lto/60319
        * lto-opts.c (lto_write_options): Output non-explicit conservative
        -fwrapv, -fno-trapv and -fno-strict-overflow.
        * lto-wrapper.c (merge_and_complain): Handle merging those options.
        (run_gcc): And pass them through.

2014-02-25  Andrey Belevantsev  <abel@ispras.ru>

        * sel-sched.c (calculate_new_fences): New parameter ptime.
        Calculate it as a maximum over all fence cycles.
        (sel_sched_region_2): Adjust the call to calculate_new_fences.
        Print the final schedule timing when sched_verbose.

2014-02-25  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/60292
        * sel-sched.c (fill_vec_av_set): Do not reset target availability
        bit fot the fence instruction.

2014-02-24  Alangi Derick  <alangiderick@gmail.com>

        * calls.h: Fix typo in comment.

2014-02-24  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_output_move_double): Don't valididate when
        adjusting offsetable addresses.

2014-02-24  Guozhi Wei  <carrot@google.com>

        * sparseset.h (sparseset_pop): Fix the wrong index.

2014-02-24  Walter Lee  <walt@tilera.com>

        * config.gcc (tilepro-*-*): Change to tilepro*-*-*.
        (tilegx-*-linux*): Change to tilegx*-*-linux*; Support tilegxbe
        triplet.
        * common/config/tilegx/tilegx-common.c
        (TARGET_DEFAULT_TARGET_FLAGS): Define.
        * config/tilegx/linux.h (ASM_SPEC): Add endian_spec.
        (LINK_SPEC): Ditto.
        * config/tilegx/sync.md (atomic_test_and_set): Handle big endian.
        * config/tilegx/tilegx.c (tilegx_return_in_msb): New.
        (tilegx_gimplify_va_arg_expr): Handle big endian.
        (tilegx_expand_unaligned_load): Ditto.
        (tilegx_expand_unaligned_store): Ditto.
        (TARGET_RETURN_IN_MSB): New.
        * config/tilegx/tilegx.h (TARGET_DEFAULT): New.
        (TARGET_ENDIAN_DEFAULT): New.
        (TARGET_BIG_ENDIAN): Handle big endian.
        (BYTES_BIG_ENDIAN): Ditto.
        (WORDS_BIG_ENDIAN): Ditto.
        (FLOAT_WORDS_BIG_ENDIAN): Ditto.
        (ENDIAN_SPEC): New.
        (EXTRA_SPECS): New.
        * config/tilegx/tilegx.md (extv): Handle big endian.
        (extzv): Ditto.
        (insn_st<n>): Ditto.
        (insn_st<n>_add<bitsuffix>): Ditto.
        (insn_stnt<n>): Ditto.
        (insn_stnt<n>_add<bitsuffix>):Ditto.
        (vec_interleave_highv8qi): Handle big endian.
        (vec_interleave_highv8qi_be): New.
        (vec_interleave_highv8qi_le): New.
        (insn_v1int_h): Handle big endian.
        (vec_interleave_lowv8qi): Handle big endian.
        (vec_interleave_lowv8qi_be): New.
        (vec_interleave_lowv8qi_le): New.
        (insn_v1int_l): Handle big endian.
        (vec_interleave_highv4hi): Handle big endian.
        (vec_interleave_highv4hi_be): New.
        (vec_interleave_highv4hi_le): New.
        (insn_v2int_h): Handle big endian.
        (vec_interleave_lowv4hi): Handle big endian.
        (vec_interleave_lowv4hi_be): New.
        (vec_interleave_lowv4hi_le): New.
        (insn_v2int_l): Handle big endian.
        (vec_interleave_highv2si): Handle big endian.
        (vec_interleave_highv2si_be): New.
        (vec_interleave_highv2si_le): New.
        (insn_v4int_h): Handle big endian.
        (vec_interleave_lowv2si): Handle big endian.
        (vec_interleave_lowv2si_be): New.
        (vec_interleave_lowv2si_le): New.
        (insn_v4int_l): Handle big endian.
        * config/tilegx/tilegx.opt (mbig-endian): New option.
        (mlittle-endian): New option.
        * doc/install.texi: Document tilegxbe-linux.
        * doc/invoke.texi: Document -mbig-endian and -mlittle-endian.

2014-02-24  Martin Jambor  <mjambor@suse.cz>

        PR ipa/60266
        * ipa-cp.c (propagate_constants_accross_call): Bail out early if
        there are no parameter descriptors.

2014-02-24  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/60268
        * sched-rgn.c (haifa_find_rgns): Move the nr_regions_initial variable
        initialization to ...
        (sched_rgn_init): ... here.
        (schedule_region): Check for SCHED_PRESSURE_NONE earlier.

2014-02-23  David Holsgrove <david.holsgrove@xilinx.com>

        * config/microblaze/microblaze.md: Correct ashrsi_reg / lshrsi_reg
        names.

2014-02-23  Edgar E. Iglesias <edgar.iglesias@xilinx.com>

        * config/microblaze/microblaze.h: Remove SECONDARY_MEMORY_NEEDED
        definition.

2014-02-23  David Holsgrove <david.holsgrove@xilinx.com>

        * /config/microblaze/microblaze.c: Add microblaze_asm_output_mi_thunk,
        define TARGET_ASM_OUTPUT_MI_THUNK and TARGET_ASM_CAN_OUTPUT_MI_THUNK.

2014-02-23  David Holsgrove <david.holsgrove@xilinx.com>

        * config/microblaze/predicates.md: Add cmp_op predicate.
        * config/microblaze/microblaze.md: Add branch_compare instruction
        which uses cmp_op predicate and emits cmp insn before branch.
        * config/microblaze/microblaze.c (microblaze_emit_compare): Rename
        to microblaze_expand_conditional_branch and consolidate logic.
        (microblaze_expand_conditional_branch): emit branch_compare
        insn instead of handling cmp op separate from branch insn.

2014-02-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_emit_le_vsx_move): Relax assert
        to permit subregs.

2014-02-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (altivec_lve<VI_char>x): Replace
        define_insn with define_expand and new define_insn
        *altivec_lve<VI_char>x_internal.
        (altivec_stve<VI_char>x): Replace define_insn with define_expand
        and new define_insn *altivec_stve<VI_char>x_internal.
        * config/rs6000/rs6000-protos.h (altivec_expand_stvex_be): New
        prototype.
        * config/rs6000/rs6000.c (altivec_expand_lvx_be): Document use by
        lve*x built-ins.
        (altivec_expand_stvex_be): New function.

2014-02-22  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/avr/avr.c (avr_can_eliminate): Allow elimination from
        ARG_POINTER_REGNUM to STACK_POINTER_REGNUM if !frame_pointer_needed.
        * config/avr/avr.c (ELIMINABLE_REGS): Add elimination from
        ARG_POINTER_REGNUM to STACK_POINTER_REGNUM.

2014-02-21  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/60298
        * lra-constraints.c (inherit_reload_reg): Use lra_emit_move
        instead of emit_move_insn.

2014-02-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (altivec_vsumsws): Replace second
        vspltw with vsldoi.
        (reduc_uplus_v16qi): Use gen_altivec_vsumsws_direct instead of
        gen_altivec_vsumsws.

2014-02-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (altivec_lvxl): Rename as
        *altivec_lvxl_<mode>_internal and use VM2 iterator instead of V4SI.
        (altivec_lvxl_<mode>): New define_expand incorporating
        -maltivec=be semantics where needed.
        (altivec_lvx): Rename as *altivec_lvx_<mode>_internal.
        (altivec_lvx_<mode>): New define_expand incorporating -maltivec=be
        semantics where needed.
        (altivec_stvx): Rename as *altivec_stvx_<mode>_internal.
        (altivec_stvx_<mode>): New define_expand incorporating
        -maltivec=be semantics where needed.
        (altivec_stvxl): Rename as *altivec_stvxl_<mode>_internal and use
        VM2 iterator instead of V4SI.
        (altivec_stvxl_<mode>): New define_expand incorporating
        -maltivec=be semantics where needed.
        * config/rs6000/rs6000-builtin.def: Add new built-in definitions
        LVXL_V2DF, LVXL_V2DI, LVXL_V4SF, LVXL_V4SI, LVXL_V8HI, LVXL_V16QI,
        LVX_V2DF, LVX_V2DI, LVX_V4SF, LVX_V4SI, LVX_V8HI, LVX_V16QI, STVX_V2DF,
        STVX_V2DI, STVX_V4SF, STVX_V4SI, STVX_V8HI, STVX_V16QI, STVXL_V2DF,
        STVXL_V2DI, STVXL_V4SF, STVXL_V4SI, STVXL_V8HI, STVXL_V16QI.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Replace
        ALTIVEC_BUILTIN_LVX with ALTIVEC_BUILTIN_LVX_<MODE> throughout;
        similarly for ALTIVEC_BUILTIN_LVXL, ALTIVEC_BUILTIN_STVX, and
        ALTIVEC_BUILTIN_STVXL.
        * config/rs6000/rs6000-protos.h (altivec_expand_lvx_be): New prototype.
        (altivec_expand_stvx_be): Likewise.
        * config/rs6000/rs6000.c (swap_selector_for_mode): New function.
        (altivec_expand_lvx_be): Likewise.
        (altivec_expand_stvx_be): Likewise.
        (altivec_expand_builtin): Add cases for
        ALTIVEC_BUILTIN_STVX_<MODE>, ALTIVEC_BUILTIN_STVXL_<MODE>,
        ALTIVEC_BUILTIN_LVXL_<MODE>, and ALTIVEC_BUILTIN_LVX_<MODE>.
        (altivec_init_builtins): Add definitions for
        __builtin_altivec_lvxl_<mode>, __builtin_altivec_lvx_<mode>,
        __builtin_altivec_stvx_<mode>, and __builtin_altivec_stvxl_<mode>.

2014-02-21  Catherine Moore  <clm@codesourcery.com>

        * doc/invoke.texi (mvirt, mno-virt): Document.
        * config/mips/mips.opt (mvirt): New option.
        * config/mips/mips.h (ASM_SPEC): Pass mvirt to the assembler.

2014-02-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/60276
        * tree-vectorizer.h (struct _stmt_vec_info): Add min_neg_dist field.
        (STMT_VINFO_MIN_NEG_DIST): New macro.
        * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Record
        STMT_VINFO_MIN_NEG_DIST.
        * tree-vect-stmts.c (vectorizable_load): Verify if assumptions
        made for negative dependence distances still hold.

2014-02-21  Richard Biener  <rguenther@suse.de>

        PR middle-end/60291
        * tree-ssa-live.c (mark_all_vars_used_1): Do not walk
        DECL_INITIAL for globals not in the current function context.

2014-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56490
        * params.def (PARAM_UNINIT_CONTROL_DEP_ATTEMPTS): New param.
        * tree-ssa-uninit.c: Include params.h.
        (compute_control_dep_chain): Add num_calls argument, return false
        if it exceed PARAM_UNINIT_CONTROL_DEP_ATTEMPTS param, pass
        num_calls to recursive call.
        (find_predicates): Change dep_chain into normal array,
        cur_chain into auto_vec<edge, MAX_CHAIN_LEN + 1>, add num_calls
        variable and adjust compute_control_dep_chain caller.
        (find_def_preds): Likewise.

2014-02-21  Thomas Schwinge  <thomas@codesourcery.com>

        * gimple-pretty-print.c (dump_gimple_omp_for) [flags & TDF_RAW]
        <case GF_OMP_FOR_KIND_CILKSIMD>: Add missing break statement.

2014-02-21  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.md (pushdqi1): Add mode to post_inc.
        (pushhi1): Likewise.
        (popqi1): Add mode to pre_dec.
        (pophi1): Likewise.

2014-02-21  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_expand_vec_perm): Use V8SImode
        mode for mask of V8SFmode permutation.

2014-02-20  Richard Henderson  <rth@redhat.com>

        PR c++/60272
        * builtins.c (expand_builtin_atomic_compare_exchange): Always make
        a new pseudo for OLDVAL.

2014-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/57896
        * config/i386/i386.c (expand_vec_perm_interleave2): Don't call
        gen_reg_rtx if d->testing_p.
        (expand_vec_perm_pshufb2, expand_vec_perm_broadcast_1): Return early
        if d->testing_p and we will certainly return true.
        (expand_vec_perm_even_odd_1): Likewise.  Don't call gen_reg_rtx
        if d->testing_p.

2014-02-20  Uros Bizjak  <ubizjak@gmail.com>

        * emit-rtl.c (gen_reg_rtx): Assert that
        crtl->emit.regno_pointer_align_length is non-zero.

2014-02-20  Richard Henderson  <rth@redhat.com>

        PR c++/60272
        * builtins.c (expand_builtin_atomic_compare_exchange): Conditionalize
        on failure the store back into EXPECT.

2014-02-20  Chung-Lin Tang  <cltang@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2.md (unspec): Add UNSPEC_PIC_GOTOFF_SYM enum.
        * config/nios2/nios2.c (nios2_function_profiler): Add
        -fPIC (flag_pic == 2) support.
        (nios2_handle_custom_fpu_cfg): Fix warning parameter.
        (nios2_large_offset_p): New function.
        (nios2_unspec_reloc_p): Move up position, update to use
        nios2_large_offset_p.
        (nios2_unspec_address): Remove function.
        (nios2_unspec_offset): New function.
        (nios2_large_got_address): New function.
        (nios2_got_address): Add large offset support.
        (nios2_legitimize_tls_address): Update usage of removed and new
        functions.
        (nios2_symbol_binds_local_p): New function.
        (nios2_load_pic_address): Add -fPIC (flag_pic == 2) support.
        (nios2_legitimize_address): Update to use nios2_large_offset_p.
        (nios2_emit_move_sequence): Avoid legitimizing (const (unspec ...)).
        (nios2_print_operand): Merge H/L processing, add hiadj/lo
        processing for (const (unspec ...)).
        (nios2_unspec_reloc_name): Add UNSPEC_PIC_GOTOFF_SYM case.

2014-02-20  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (replace_uses_by): Mark altered BBs before
        doing the substitution.
        (verify_gimple_assign_single): Also verify bare MEM_REFs on the lhs.

2014-02-20  Martin Jambor  <mjambor@suse.cz>

        PR ipa/55260
        * ipa-cp.c (cgraph_edge_brings_all_agg_vals_for_node): Uce correct
        info when checking whether lattices are bottom.

2014-02-20  Richard Biener  <rguenther@suse.de>

        PR middle-end/60221
        * tree-eh.c (execute_cleanup_eh_1): Also cleanup empty EH
        regions at -O0.

2014-02-20  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/58555
        * ipa-inline-transform.c (clone_inlined_nodes): Add freq_scale
        parameter specifying the scaling.
        (inline_call): Update.
        (want_inline_recursively): Guard division by zero.
        (recursive_inlining): Update.
        * ipa-inline.h (clone_inlined_nodes): Update.

2014-02-20  Ilya Tocar  <ilya.tocar@intel.com>

        PR target/60204
        * config/i386/i386.c (classify_argument): Pass structures of size
        64 bytes or less in register.

2014-02-20  Ilya Tocar  <ilya.tocar@intel.com>
            Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/avx512erintrin.h (_mm_rcp28_round_sd): Swap operands.
        (_mm_rcp28_round_ss): Ditto.
        (_mm_rsqrt28_round_sd): Ditto.
        (_mm_rsqrt28_round_ss): Ditto.
        * config/i386/avx512erintrin.h (_mm_rcp14_round_sd): Ditto.
        (_mm_rcp14_round_ss): Ditto.
        (_mm_rsqrt14_round_sd): Ditto.
        (_mm_rsqrt14_round_ss): Ditto.
        * config/i386/sse.md (rsqrt14<mode>): Put nonimmediate operand as
        the first input operand, get rid of match_dup.
        (avx512er_exp2<mode><mask_name><round_saeonly_name>): Set type
        attribute to sse.
        (<mask_codefor>avx512er_rcp28<mode><mask_name><round_saeonly_name>):
        Ditto.
        (avx512er_vmrcp28<mode><round_saeonly_name>): Put nonimmediate
        operand as the first input operand, set type attribute.
        (<mask_codefor>avx512er_rsqrt28<mode><mask_name><round_saeonly_name>):
        Set type attribute.
        (avx512er_vmrsqrt28<mode><round_saeonly_name>): Put nonimmediate
        operand as the first input operand, set type attribute.

2014-02-19  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (vspltis_constant): Fix most significant
        bit of zero.

2014-02-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/60207
        * config/i386/i386.c (construct_container): Remove TFmode check
        for X86_64_INTEGER_CLASS.

2014-02-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/59794
        * config/i386/i386.c (type_natural_mode): Warn for ABI changes
        only when -Wpsabi is enabled.

2014-02-19  Michael Hudson-Doyle  <michael.hudson@linaro.org>

         PR target/59799
        * config/aarch64/aarch64.c (aarch64_pass_by_reference): The rules for
        passing arrays in registers are the same as for structs, so remove the
        special case for them.

2014-02-19  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: For a bit-field
        destination type, extract only the valid bits if the source type is not
        integral and has a different mode.

2014-02-19  Richard Biener  <rguenther@suse.de>

        PR ipa/60243
        * tree-inline.c (estimate_num_insns): Avoid calling cgraph_get_node
        for all calls.

2014-02-19  Richard Biener  <rguenther@suse.de>

        PR ipa/60243
        * ipa-prop.c: Include stringpool.h and tree-ssanames.h.
        (ipa_modify_call_arguments): Emit an argument load explicitely and
        preserve virtual SSA form there and for the replacement call.
        Do not update SSA form nor free dominance info.

2014-02-18  Jan Hubicka  <hubicka@ucw.cz>

        * ipa.c (function_and_variable_visibility): Also clear WEAK
        flag when disolving COMDAT_GROUP.

2014-02-18  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-prop.h (ipa_ancestor_jf_data): Update ocmment.
        * ipa-prop.c (ipa_set_jf_known_type): Return early when
        not devirtualizing.
        (ipa_set_ancestor_jf): Set type to NULL hwen it is not preserved;
        do more sanity checks.
        (detect_type_change): Return true when giving up early.
        (compute_complex_assign_jump_func): Fix type parameter of
        ipa_set_ancestor_jf.
        (compute_complex_ancestor_jump_func): Likewise.
        (update_jump_functions_after_inlining): Fix updating of
        ancestor function.
        * ipa-cp.c (ipa_get_jf_ancestor_result): Be ready for type to be NULL.

2014-02-18  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_update_edges_for_call_stmt_node): Also remove
        inline clones when edge disappears.

2014-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/60203
        * config/rs6000/rs6000.md (mov<mode>_64bit, TF/TDmode moves):
        Split 64-bit moves into 2 patterns.  Do not allow the use of
        direct move for TDmode in little endian, since the decimal value
        has little endian bytes within a word, but the 64-bit pieces are
        ordered in a big endian fashion, and normal subreg's of TDmode are
        not allowed.
        (mov<mode>_64bit_dm): Likewise.
        (movtd_64bit_nodm): Likewise.

2014-02-18  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/60174
        * tree-ssa-reassoc.c (init_range_entry): Do not look into the defining
        statement of an SSA_NAME that occurs in an abnormal PHI node.

2014-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/60142
        * final.c (SEEN_BB): Remove.
        (SEEN_NOTE, SEEN_EMITTED): Renumber.
        (final_scan_insn): Don't force_source_line on second
        NOTE_INSN_BASIC_BLOCK.

2014-02-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/60205
        * config/i386/i386.h (struct ix86_args): Add warn_avx512f.
        * config/i386/i386.c (init_cumulative_args): Initialize warn_avx512f.
        (type_natural_mode): Warn ABI change when %zmm register is not
        available for AVX512F vector value passing.

2014-02-18  Kai Tietz  <ktietz@redhat.com>

        PR target/60193
        * config/i386/i386.c (ix86_expand_prologue): Use value in
        rax register as displacement when restoring %r10 or %rax.
        Fix wrong offset when restoring both registers.

2014-02-18  Eric Botcazou  <ebotcazou@adacore.com>

        * ipa-prop.c (compute_complex_ancestor_jump_func): Replace overzealous
        assertion with conditional return.

2014-02-18  Jakub Jelinek  <jakub@redhat.com>
            Uros Bizjak  <ubizjak@gmail.com>

        PR driver/60233
        * config/i386/driver-i386.c (host_detect_local_cpu): If
        YMM state is not saved by the OS, also clear has_f16c.  Move
        CPUID 0x80000001 handling before YMM state saving checking.

2014-02-18  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/58960
        * haifa-sched.c (alloc_global_sched_pressure_data): New,
        factored out from ...
        (sched_init): ... here.
        (free_global_sched_pressure_data): New, factored out from ...
        (sched_finish): ... here.
        * sched-int.h (free_global_sched_pressure_data): Declare.
        * sched-rgn.c (nr_regions_initial): New static global.
        (haifa_find_rgns): Initialize it.
        (schedule_region): Disable sched-pressure for the newly
        generated regions.

2014-02-17  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (free_stmt_vec_info): Clear BB and
        release SSA defs of pattern stmts.

2014-02-17  Richard Biener  <rguenther@suse.de>

        * tree-inline.c (expand_call_inline): Release the virtual
        operand defined by the call we are about to inline.

2014-02-17  Richard Biener  <rguenther@suse.de>

        * tree-ssa.c (verify_ssa): If verify_def found an error, ICE.

2014-02-17  Kirill Yukhin  <kirill.yukhin@intel.com>
            Ilya Tocar  <ilya.tocar@intel.com>

        * config/i386/avx512fintrin.h (_mm512_maskz_permutexvar_epi64): Swap
        arguments order in builtin.
        (_mm512_permutexvar_epi64): Ditto.
        (_mm512_mask_permutexvar_epi64): Ditto
        (_mm512_maskz_permutexvar_epi32): Ditto
        (_mm512_permutexvar_epi32): Ditto
        (_mm512_mask_permutexvar_epi32): Ditto

2014-02-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (p8_vmrgew): Handle little endian targets.
        (p8_vmrgow): Likewise.

2014-02-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Handle little
        endian targets.

2014-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/60203
        * config/rs6000/rs6000.md (rreg): Add TFmode, TDmode constraints.
        (mov<mode>_internal, TFmode/TDmode): Split TFmode/TDmode moves
        into 64-bit and 32-bit moves.  On 64-bit moves, add support for
        using direct move instructions on ISA 2.07.  Also adjust
        instruction length for 64-bit.
        (mov<mode>_64bit, TFmode/TDmode): Likewise.
        (mov<mode>_32bit, TFmode/TDmode): Likewise.

2014-02-15  Alan Modra  <amodra@gmail.com>

        PR target/58675
        PR target/57935
        * config/rs6000/rs6000.c (rs6000_secondary_reload_inner): Use
        find_replacement on parts of insn rtl that might be reloaded.

2014-02-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/60183
        * tree-ssa-phiprop.c (propagate_with_phi): Avoid speculating loads.
        (tree_ssa_phiprop): Calculate and free post-dominators.

2014-02-14  Jeff Law  <law@redhat.com>

        PR rtl-optimization/60131
        * ree.c (get_extended_src_reg): New function.
        (combine_reaching_defs): Use it rather than assuming location of REG.
        (find_and_remove_re): Verify first operand of extension is
        a REG before adding the insns to the copy list.

2014-02-14  Roland McGrath  <mcgrathr@google.com>

        * configure.ac (HAVE_AS_IX86_UD2): New test for 'ud2' mnemonic.
        * configure: Regenerated.
        * config.in: Regenerated.
        * config/i386/i386.md (trap) [HAVE_AS_IX86_UD2]: Use the mnemonic
        instead of ASM_SHORT.

2014-02-14  Vladimir Makarov  <vmakarov@redhat.com>
            Richard Earnshaw  <rearnsha@arm.com>

        PR rtl-optimization/59535
        * lra-constraints.c (process_alt_operands): Encourage alternative
        when unassigned pseudo class is superset of the alternative class.
        (inherit_reload_reg): Don't inherit when optimizing for code size.
        * config/arm/arm.h (MODE_BASE_REG_CLASS): Add version for LRA
        returning CORE_REGS for anything but Thumb1 and BASE_REGS for
        modes not less than 4 for Thumb1.

2014-02-14  Kyle McMartin  <kyle@redhat.com>

        PR pch/60010
        * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for AArch64.

2014-02-14  Richard Biener  <rguenther@suse.de>

        * cilk-common.c (cilk_arrow): Build a MEM_REF, not an INDIRECT_REF.
        (get_frame_arg): Drop the assert with langhook types_compatible_p.
        Do not strip INDIRECT_REFs.

2014-02-14  Richard Biener  <rguenther@suse.de>

        PR lto/60179
        * lto-streamer-out.c (DFS_write_tree_body): Do not follow
        DECL_FUNCTION_SPECIFIC_TARGET.
        (hash_tree): Do not hash DECL_FUNCTION_SPECIFIC_TARGET.
        * tree-streamer-out.c (pack_ts_target_option): Remove.
        (streamer_pack_tree_bitfields): Do not stream TS_TARGET_OPTION.
        (write_ts_function_decl_tree_pointers): Do not stream
        DECL_FUNCTION_SPECIFIC_TARGET.
        * tree-streamer-in.c (unpack_ts_target_option): Remove.
        (unpack_value_fields): Do not stream TS_TARGET_OPTION.
        (lto_input_ts_function_decl_tree_pointers): Do not stream
        DECL_FUNCTION_SPECIFIC_TARGET.

2014-02-14  Jakub Jelinek  <jakub@redhat.com>

        * tree-vect-loop.c (vect_is_slp_reduction): Don't set use_stmt twice.
        (get_initial_def_for_induction, vectorizable_induction): Ignore
        debug stmts when looking for exit_phi.
        (vectorizable_live_operation): Fix up condition.

2014-02-14  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32.c (nds32_asm_function_prologue): Do not use
        nreverse() because it changes the content of original tree list.

2014-02-14  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/t-mlibs (MULTILIB_OPTIONS): Fix typo in comment.
        * config/nds32/nds32.c (nds32_merge_decl_attributes): Likewise.

2014-02-14  Chung-Ju Wu  <jasonwucj@gmail.com>

        * config/nds32/nds32.c (nds32_naked_function_p): Follow the
        GNU coding standards.

2014-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/60152
        * dwarf2out.c (gen_subprogram_die): Don't call
        add_calling_convention_attribute if subr_die is old_die.

2014-02-13  Sharad Singhai  <singhai@google.com>

        * doc/optinfo.texi: Fix order of nodes.

2014-02-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (xop_vmfrcz<mode>2): Generate const0 in
        operands[2], not operands[3].

2014-02-13  Richard Biener  <rguenther@suse.de>

        PR bootstrap/59878
        * doc/install.texi (ISL): Update recommended version to 0.12.2,
        mention the possibility of an in-tree build.
        (CLooG): Update recommended version to 0.18.1, mention the
        possibility of an in-tree build and clarify that the ISL
        bundled with CLooG does not work.

2014-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/43546
        * expr.c (compress_float_constant): If x is a hard register,
        extend into a pseudo and then move to x.

2014-02-13  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_asm_output_function_label): Fix crash
        caused by bad second argument to warning_at() with -mhotpatch and
        nested functions (e.g. with gfortran).

2014-02-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * opts.c (option_name): Remove "enabled by default" rider.

2014-02-12  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_option_override): Remove auto increment FIXME.

2014-02-12  H.J. Lu  <hongjiu.lu@intel.com>
            Uros Bizjak  <ubizjak@gmail.com>

        PR target/60151
        * configure.ac (HAVE_AS_GOTOFF_IN_DATA): Pass --32 to GNU assembler.
        * configure: Regenerated.

2014-02-12  Richard Biener  <rguenther@suse.de>

        * vec.c (vec_prefix::calculate_allocation): Move as
        inline variant to vec.h.
        (vec_prefix::calculate_allocation_1): New out-of-line version.
        * vec.h (vec_prefix::calculate_allocation_1): Declare.
        (vec_prefix::m_has_auto_buf): Rename to ...
        (vec_prefix::m_using_auto_storage): ... this.
        (vec_prefix::calculate_allocation): Inline the easy cases
        and dispatch to calculate_allocation_1 which doesn't need the
        prefix address.
        (va_heap::reserve): Use gcc_checking_assert.
        (vec<T, A, vl_embed>::embedded_init): Add argument to initialize
        m_using_auto_storage.
        (auto_vec): Change m_vecpfx member to a vec<T, va_heap, vl_embed>
        member and adjust.
        (vec<T, va_heap, vl_ptr>::reserve): Remove redundant check.
        (vec<T, va_heap, vl_ptr>::release): Avoid casting.
        (vec<T, va_heap, vl_ptr>::using_auto_storage): Simplify.

2014-02-12  Richard Biener  <rguenther@suse.de>

        * gcse.c (compute_transp): break from loop over canon_modify_mem_list
        when we found a dependence.

2014-02-12  Thomas Schwinge  <thomas@codesourcery.com>

        * gimplify.c (gimplify_call_expr, gimplify_modify_expr): Move
        common code...
        (maybe_fold_stmt): ... into this new function.
        * omp-low.c (lower_omp): Update comment.

        * omp-low.c (lower_omp_target): Add clobber for sizes array, after
        last use.

        * omp-low.c (diagnose_sb_0): Make sure label_ctx is valid to
        dereference.

2014-02-12  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/aarch-cost-tables.h (generic_extra_costs): Fix
        identifiers in comments.
        (cortexa53_extra_costs): Likewise.
        * config/arm/arm.c (cortexa9_extra_costs): Fix identifiers in comments.
        (cortexa7_extra_costs): Likewise.
        (cortexa12_extra_costs): Likewise.
        (cortexa15_extra_costs): Likewise.
        (v7m_extra_costs): Likewise.

2014-02-12  Richard Biener  <rguenther@suse.de>

        PR middle-end/60092
        * gimple-low.c (lower_builtin_posix_memalign): Lower conditional
        of posix_memalign being successful.
        (lower_stmt): Restrict lowering of posix_memalign to when
        -ftree-bit-ccp is enabled.

2014-02-12  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Pass vNULL for
        arg_loc.
        * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.

2014-02-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/60116
        * combine.c (try_combine): Also remove dangling REG_DEAD notes on the
        other_insn once the combination has been validated.

2014-02-11  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/59468
        * ipa-utils.h (possible_polymorphic_call_targets): Update prototype
        and wrapper.
        * ipa-devirt.c: Include demangle.h
        (odr_violation_reported): New static variable.
        (add_type_duplicate): Update odr_violations.
        (maybe_record_node): Add completep parameter; update it.
        (record_target_from_binfo): Add COMPLETEP parameter;
        update it as needed.
        (possible_polymorphic_call_targets_1): Likewise.
        (struct polymorphic_call_target_d): Add nonconstruction_targets;
        rename FINAL to COMPLETE.
        (record_targets_from_bases): Sanity check we found the binfo;
        fix COMPLETEP updating.
        (possible_polymorphic_call_targets): Add NONCONSTRUTION_TARGETSP
        parameter, fix computing of COMPLETEP.
        (dump_possible_polymorphic_call_targets): Imrove readability of dump;
        at LTO time do demangling.
        (ipa_devirt): Use nonconstruction_targets; Improve dumps.
        * gimple-fold.c (gimple_get_virt_method_for_vtable): Add can_refer
        parameter.
        (gimple_get_virt_method_for_binfo): Likewise.
        * gimple-fold.h (gimple_get_virt_method_for_binfo,
        gimple_get_virt_method_for_vtable): Update prototypes.

2014-02-11  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/49008
        * genautomata.c (add_presence_absence): Fix typo with
        {final_}presence_list.

2014-02-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/60137
        * config/rs6000/rs6000.md (128-bit GPR splitter): Add a splitter
        for VSX/Altivec vectors that land in GPR registers.

2014-02-11  Richard Henderson  <rth@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR debug/59776
        * tree-sra.c (load_assign_lhs_subreplacements): Add VIEW_CONVERT_EXPR
        around drhs if type conversion to lacc->type is not useless.

2014-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-cores.def (cortex-a57): Use cortexa57
        tuning struct.
        (cortex-a57.cortex-a53): Likewise.
        * config/aarch64/aarch64.c (cortexa57_tunings): New tuning struct.

2014-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/thumb2.md (*thumb2_movhi_insn): Add alternatives for
        arm_restrict_it.

2014-02-11  Renlin Li  <Renlin.Li@arm.com>

        * doc/sourcebuild.texi: Document check_effective_target_arm_vfp3_ok and
        add_options_for_arm_vfp3.

2014-02-11  Jeff Law  <law@redhat.com>

        PR middle-end/54041
        * expr.c (expand_expr_addr_expr_1): Handle expand_expr returning an
        object with an undesirable mode.

2014-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR libgomp/60107
        * config/i386/sol2-9.h: New file.
        * config.gcc (i[34567]86-*-solaris2* | x86_64-*-solaris2.1[0-9]*,
        *-*-solaris2.9*): Use it.

2014-02-10  Nagaraju Mekala <nagaraju.mekala@xilinx.com>

        * config/microblaze/microblaze.md: Add movsi4_rev insn pattern.
        * config/microblaze/predicates.md: Add reg_or_mem_operand predicate.

2014-02-10  Nagaraju Mekala <nagaraju.mekala@xilinx.com>

        * config/microblaze/microblaze.c: Extend mcpu version format

2014-02-10  David Holsgrove <david.holsgrove@xilinx.com>

        * config/microblaze/microblaze.h: Define SIZE_TYPE and PTRDIFF_TYPE.

2014-02-10  Richard Henderson  <rth@redhat.com>

        PR target/59927
        * calls.c (expand_call): Don't double-push for reg_parm_stack_space.
        * config/i386/i386.c (init_cumulative_args): Remove sorry for 64-bit
        ms-abi vs -mno-accumulate-outgoing-args.
        (ix86_expand_prologue): Unconditionally call ix86_eax_live_at_start_p.
        * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Fix comment with
        respect to ms-abi.

2014-02-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR middle-end/60080
        * cfgexpand.c (expand_asm_operands): Attach source location to
        ASM_INPUT rtx objects.
        * print-rtl.c (print_rtx): Check for UNKNOWN_LOCATION.

2014-02-10  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (popcount): New function.
        (mn10300_expand_prologue): Include saved registers in stack usage
        count.

2014-02-10  Jeff Law  <law@redhat.com>

        PR middle-end/52306
        * reload1.c (emit_input_reload_insns): Do not create invalid RTL
        when changing the SET_DEST of a prior insn to avoid an input reload.

2014-02-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/rs6000/sysv4.h (ENDIAN_SELECT): Do not attempt to enforce
        big-endian mode for -mcall-aixdesc, -mcall-freebsd, -mcall-netbsd,
        -mcall-openbsd, or -mcall-linux.
        (CC1_ENDIAN_BIG_SPEC): Remove.
        (CC1_ENDIAN_LITTLE_SPEC): Remove.
        (CC1_ENDIAN_DEFAULT_SPEC): Remove.
        (CC1_SPEC): Remove (always empty) %cc1_endian_... spec.
        (SUBTARGET_EXTRA_SPECS): Remove %cc1_endian_big, %cc1_endian_little,
        and %cc1_endian_default.
        * config/rs6000/sysv4le.h (CC1_ENDIAN_DEFAULT_SPEC): Remove.

2014-02-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/60115
        * tree-eh.c (tree_could_trap_p): Unify TARGET_MEM_REF and
        MEM_REF handling.  Properly verify that the accesses are not
        out of the objects bound.

2014-02-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_override_options): Fix typo from
        coretex to cortex.

2014-02-10  Eric Botcazou  <ebotcazou@adacore.com>

        * ipa-devirt.c (get_polymorphic_call_info_from_invariant): Return
        proper constants and fix formatting.
        (possible_polymorphic_call_targets): Fix formatting.

2014-02-10  Kirill Yukhin  <kirill.yukhin@intel.com>
            Ilya Tocar  <ilya.tocar@intel.com>

        * config/i386/avx512fintrin.h (_mm512_storeu_epi64): Removed.
        (_mm512_loadu_epi32): Renamed into...
        (_mm512_loadu_si512): This.
        (_mm512_storeu_epi32): Renamed into...
        (_mm512_storeu_si512): This.
        (_mm512_maskz_ceil_ps): Removed.
        (_mm512_maskz_ceil_pd): Ditto.
        (_mm512_maskz_floor_ps): Ditto.
        (_mm512_maskz_floor_pd): Ditto.
        (_mm512_floor_round_ps): Ditto.
        (_mm512_floor_round_pd): Ditto.
        (_mm512_ceil_round_ps): Ditto.
        (_mm512_ceil_round_pd): Ditto.
        (_mm512_mask_floor_round_ps): Ditto.
        (_mm512_mask_floor_round_pd): Ditto.
        (_mm512_mask_ceil_round_ps): Ditto.
        (_mm512_mask_ceil_round_pd): Ditto.
        (_mm512_maskz_floor_round_ps): Ditto.
        (_mm512_maskz_floor_round_pd): Ditto.
        (_mm512_maskz_ceil_round_ps): Ditto.
        (_mm512_maskz_ceil_round_pd): Ditto.
        (_mm512_expand_pd): Ditto.
        (_mm512_expand_ps): Ditto.
        * config/i386/i386.c (ix86_builtins): Remove
        IX86_BUILTIN_EXPANDPD512_NOMASK, IX86_BUILTIN_EXPANDPS512_NOMASK.
        (bdesc_args): Ditto.
        * config/i386/predicates.md (const1256_operand): New.
        (const_1_to_2_operand): Ditto.
        * config/i386/sse.md (avx512pf_gatherpf<mode>sf): Change hint value.
        (*avx512pf_gatherpf<mode>sf_mask): Ditto.
        (*avx512pf_gatherpf<mode>sf): Ditto.
        (avx512pf_gatherpf<mode>df): Ditto.
        (*avx512pf_gatherpf<mode>df_mask): Ditto.
        (*avx512pf_gatherpf<mode>df): Ditto.
        (avx512pf_scatterpf<mode>sf): Ditto.
        (*avx512pf_scatterpf<mode>sf_mask): Ditto.
        (*avx512pf_scatterpf<mode>sf): Ditto.
        (avx512pf_scatterpf<mode>df): Ditto.
        (*avx512pf_scatterpf<mode>df_mask): Ditto.
        (*avx512pf_scatterpf<mode>df): Ditto.
        (avx512f_expand<mode>): Removed.
        (<shift_insn><mode>3<mask_name>): Change predicate type.

2014-02-08  Jakub Jelinek  <jakub@redhat.com>

        * tree-vect-data-refs.c (vect_analyze_data_refs): For clobbers
        not at the end of datarefs vector use ordered_remove to avoid
        reordering datarefs vector.

        PR c/59984
        * gimplify.c (gimplify_bind_expr): In ORT_SIMD region
        mark local addressable non-static vars as GOVD_PRIVATE
        instead of GOVD_LOCAL.
        * omp-low.c (lower_omp_for): Move gimple_bind_vars
        and BLOCK_VARS of gimple_bind_block to new_stmt rather
        than copying them.

        PR middle-end/60092
        * tree-ssa-ccp.c (surely_varying_stmt_p): Don't return true
        if TYPE_ATTRIBUTES (gimple_call_fntype ()) contain
        assume_aligned or alloc_align attributes.
        (bit_value_assume_aligned): Add ATTR, PTRVAL and ALLOC_ALIGN
        arguments.  Handle also assume_aligned and alloc_align attributes.
        (evaluate_stmt): Adjust bit_value_assume_aligned caller.  Handle
        calls to functions with assume_aligned or alloc_align attributes.
        * doc/extend.texi: Document assume_aligned and alloc_align attributes.

2014-02-08  Terry Guo  <terry.guo@arm.com>

        * doc/invoke.texi: Document ARM -march=armv7e-m.

2014-02-08  Jakub Jelinek  <jakub@redhat.com>

        * cilk-common.c (cilk_init_builtins): Clear TREE_NOTHROW
        flag on __cilkrts_rethrow builtin.

        PR ipa/60026
        * ipa-cp.c (determine_versionability): Fail at -O0
        or __attribute__((optimize (0))) or -fno-ipa-cp functions.
        * tree-sra.c (ipa_sra_preliminary_function_checks): Similarly.

        Revert:
        2014-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/60026
        * tree-inline.c (copy_forbidden): Fail for
        __attribute__((optimize (0))) functions.

2014-02-07  Jan Hubicka  <hubicka@ucw.cz>

        * varpool.c: Include pointer-set.h.
        (varpool_remove_unreferenced_decls): Variables in other partitions
        will not be output; be however careful to not lose information
        about partitioning.

2014-02-07  Jan Hubicka  <hubicka@ucw.cz>

        * gimple-fold.c (gimple_get_virt_method_for_vtable): Do O(1)
        lookup in the vtable constructor.

2014-02-07  Jeff Law  <law@redhat.com>

        PR target/40977
        * config/m68k/m68k.md (ashldi_extsi): Turn into a
        define_insn_and_split.

        * ipa-inline.c (inline_small_functions): Fix typos.

2014-02-07  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

        * config/s390/s390-protos.h (s390_can_use_simple_return_insn)
        (s390_can_use_return_insn): Declare.
        * config/s390/s390.h (EPILOGUE_USES): Define.
        * config/s390/s390.c (s390_mainpool_start): Allow two main_pool
        instructions.
        (s390_chunkify_start): Handle return JUMP_LABELs.
        (s390_early_mach): Emit a main_pool instruction on the entry edge.
        (s300_set_up_by_prologue, s390_can_use_simple_return_insn)
        (s390_can_use_return_insn): New functions.
        (s390_fix_long_loop_prediction): Handle conditional returns.
        (TARGET_SET_UP_BY_PROLOGUE): Define.
        * config/s390/s390.md (ANY_RETURN): New code iterator.
        (*creturn, *csimple_return, return, simple_return): New patterns.

2014-02-07  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_restore_gprs_from_fprs): Add REG_CFA_RESTORE
        notes to each restore.  Also add REG_CFA_DEF_CFA when restoring %r15.
        (s390_optimize_prologue): Don't clear RTX_FRAME_RELATED_P.  Update the
        REG_CFA_RESTORE list when deciding not to restore a register.

2014-02-07  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

        * config/s390/s390.c: Include tree-pass.h and context.h.
        (s390_early_mach): New function, split out from...
        (s390_emit_prologue): ...here.
        (pass_data_s390_early_mach): New pass structure.
        (pass_s390_early_mach): New class.
        (s390_option_override): Create and register early_mach pass.
        Move to end of file.

2014-02-07  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

        * var-tracking.c (vt_stack_adjustments): Don't require stack_adjusts
        to match for the exit block.

2014-02-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md ("atomic_load<mode>", "atomic_store<mode>")
        ("atomic_compare_and_swap<mode>", "atomic_fetch_<atomic><mode>"):
        Reject misaligned operands.

2014-02-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * optabs.c (expand_atomic_compare_and_swap): Allow expander to fail.

2014-02-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/60092
        * gimple-low.c (lower_builtin_posix_memalign): New function.
        (lower_stmt): Call it to lower posix_memalign in a way
        to make alignment info accessible.

2014-02-07  Jakub Jelinek  <jakub@redhat.com>

        PR c++/60082
        * tree.c (build_common_builtin_nodes): Set ECF_LEAF for
        __builtin_setjmp_receiver.

2014-02-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/60092
        * builtin-types.def (BT_FN_INT_PTRPTR_SIZE_SIZE): Add.
        * builtins.def (BUILT_IN_POSIX_MEMALIGN): Likewise.
        * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
        Handle BUILT_IN_POSIX_MEMALIGN.
        (find_func_clobbers): Likewise.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise.
        (call_may_clobber_ref_p_1): Likewise.

2014-02-06  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/59918
        * ipa-devirt.c (record_target_from_binfo): Remove overactive
        sanity check.

2014-02-06  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/59469
        * lto-cgraph.c (lto_output_node): Use
        symtab_get_symbol_partitioning_class.
        (lto_output_varpool_node): likewise.
        (symtab_get_symbol_partitioning_class): Move here from
        lto/lto-partition.c
        * cgraph.h (symbol_partitioning_class): Likewise.
        (symtab_get_symbol_partitioning_class): Declare.

2014-02-06  Jan Hubicka  <hubicka@ucw.cz>

        * ggc.h (ggc_internal_cleared_alloc): New macro.
        * vec.h (vec_safe_copy): Handle memory stats.
        * omp-low.c (simd_clone_struct_alloc): Use ggc_internal_cleared_alloc.
        * target-globals.c (save_target_globals): Likewise.

2014-02-06  Jan Hubicka  <hubicka@ucw.cz>

        PR target/60077
        * expr.c (emit_move_resolve_push): Export; be bit more selective
        on when to clear alias set.
        * expr.h (emit_move_resolve_push): Declare.
        * function.h (struct function): Add tail_call_marked.
        * tree-tailcall.c (optimize_tail_call): Set tail_call_marked.
        * config/i386/i386-protos.h (ix86_expand_push): Remove.
        * config/i386/i386.md (TImode move expander): De not call
        ix86_expand_push.
        (FP push expanders): Preserve memory attributes.
        * config/i386/sse.md (push<mode>1): Remove.
        * config/i386/i386.c (ix86_expand_vector_move): Handle push operation.
        (ix86_expand_push): Remove.
        * config/i386/mmx.md (push<mode>1): Remove.

2014-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/60030
        * internal-fn.c (ubsan_expand_si_overflow_mul_check): Surround
        lopart with paradoxical subreg before shifting it up by hprec.

2014-02-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): New table.
        Remove extra newline at end of file.
        * config/arm/arm.c (arm_cortex_a57_tune): New tuning struct.
        (arm_issue_rate): Handle cortexa57.
        * config/arm/arm-cores.def (cortex-a57): Use cortex_a57 tuning.
        (cortex-a57.cortex-a53): Likewise.

2014-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR target/59575
        * config/arm/arm.c (emit_multi_reg_push): Add dwarf_regs_mask argument,
        don't record in REG_FRAME_RELATED_EXPR registers not set in that
        bitmask.
        (arm_expand_prologue): Adjust all callers.
        (arm_unwind_emit_sequence): Allow saved, but not important for unwind
        info, registers also at the lowest numbered registers side.  Use
        gcc_assert instead of abort, and SET_SRC/SET_DEST macros instead of
        XEXP.

        PR debug/59992
        * var-tracking.c (adjust_mems): Before adding a SET to
        amd->side_effects, adjust it's SET_SRC using simplify_replace_fn_rtx.

2014-02-06  Alan Modra  <amodra@gmail.com>

        PR target/60032
        * config/rs6000/rs6000.c (rs6000_secondary_memory_needed_mode): Only
        change SDmode to DDmode when lra_in_progress.

2014-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/59150
        * tree-vect-data-refs.c (vect_analyze_data_refs): For clobbers, call
        free_data_ref on the dr first, and before goto again also set dr
        to the next dr.  For simd_lane_access, free old datarefs[i] before
        overwriting it.  For get_vectype_for_scalar_type failure, don't
        free_data_ref if simd_lane_access.

        * Makefile.in (prefix.o, cppbuiltin.o): Depend on $(BASEVER).

        PR target/60062
        * tree.h (opts_for_fn): New inline function.
        (opt_for_fn): Define.
        * config/i386/i386.c (ix86_function_regparm): Use
        opt_for_fn (decl, optimize) instead of optimize.

2014-02-06  Marcus Shawcroft  <marcus.shawcroft@arm.com>

        * config/aarch64/aarch64.c (aarch64_classify_symbol): Fix logic
        for SYMBOL_REF in large memory model.

2014-02-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-cores.def (cortex-a53): Specify CRC32
        and crypto support.
        (cortex-a57): Likewise.
        (cortex-a57.cortex-a53): Likewise.

2014-02-06  Yury Gribov  <y.gribov@samsung.com>
            Kugan Vivekanandarajah  <kuganv@linaro.org>

        * config/arm/arm.c (arm_vector_alignment_reachable): Check
        unaligned_access.
        * config/arm/arm.c (arm_builtin_support_vector_misalignment): Likewise.

2014-02-06  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (gimple_duplicate_sese_region): Fix ordering of
        set_loop_copy and initialize_original_copy_tables.

2014-02-06  Alex Velenko  <Alex.Velenko@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_ashr_simddi): Change QI to SI.

2014-02-05  Jan Hubicka  <hubicka@ucw.cz>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/60013
        * ipa-inline-analysis.c (compute_bb_predicates): Ensure monotonicity
        of the dataflow.

2014-02-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Change
        CODE_FOR_altivec_vpku[hw]um to
        CODE_FOR_altivec_vpku[hw]um_direct.
        * config/rs6000/altivec.md (vec_unpacks_hi_<VP_small_lc>): Change
        UNSPEC_VUNPACK_HI_SIGN to UNSPEC_VUNPACK_HI_SIGN_DIRECT.
        (vec_unpacks_lo_<VP_small_lc>): Change UNSPEC_VUNPACK_LO_SIGN to
        UNSPEC_VUNPACK_LO_SIGN_DIRECT.

2014-02-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (altivec_vsum2sws): Adjust code
        generation for -maltivec=be.
        (altivec_vsumsws): Simplify redundant test.

2014-02-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * altivec.md (UNSPEC_VPACK_UNS_UNS_MOD_DIRECT): New unspec.
        (UNSPEC_VUNPACK_HI_SIGN_DIRECT): Likewise.
        (UNSPEC_VUNPACK_LO_SIGN_DIRECT): Likewise.
        (mulv8hi3): Use gen_altivec_vpkuwum_direct instead of
        gen_altivec_vpkuwum.
        (altivec_vpkpx): Test for VECTOR_ELT_ORDER_BIG instead of for
        BYTES_BIG_ENDIAN.
        (altivec_vpks<VI_char>ss): Likewise.
        (altivec_vpks<VI_char>us): Likewise.
        (altivec_vpku<VI_char>us): Likewise.
        (altivec_vpku<VI_char>um): Likewise.
        (altivec_vpku<VI_char>um_direct): New (copy of
        altivec_vpku<VI_char>um that still relies on BYTES_BIG_ENDIAN, for
        internal use).
        (altivec_vupkhs<VU_char>): Emit vupkls* instead of vupkhs* when
        target is little endian and -maltivec=be is not specified.
        (*altivec_vupkhs<VU_char>_direct): New (copy of
        altivec_vupkhs<VU_char> that always emits vupkhs*, for internal use).
        (altivec_vupkls<VU_char>): Emit vupkhs* instead of vupkls* when
        target is little endian and -maltivec=be is not specified.
        (*altivec_vupkls<VU_char>_direct): New (copy of
        altivec_vupkls<VU_char> that always emits vupkls*, for internal use).
        (altivec_vupkhpx): Emit vupklpx instead of vupkhpx when target is
        little endian and -maltivec=be is not specified.
        (altivec_vupklpx): Emit vupkhpx instead of vupklpx when target is
        little endian and -maltivec=be is not specified.

2014-02-05  Richard Henderson  <rth@redhat.com>

        PR debug/52727
        * combine-stack-adj.c: Revert r206943.
        * sched-int.h (struct deps_desc): Add last_args_size.
        * sched-deps.c (init_deps): Initialize it.
        (sched_analyze_insn): Add OUTPUT dependencies between insns that
        contain REG_ARGS_SIZE notes.

2014-02-05  Jan Hubicka  <hubicka@ucw.cz>

        * lto-cgraph.c (asm_nodes_output): Make global.
        * lto-wrapper.c (run_gcc): Pass down paralelizm to WPA.
        * gcc.c (AS_NEEDS_DASH_FOR_PIPED_INPUT): Allow WPA parameter
        (driver_handle_option): Handle OPT_fwpa.

2014-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/59947
        * ipa-devirt.c (possible_polymorphic_call_targets): Fix
        a comment typo and formatting issue.  If odr_hash hasn't been
        created, return vNULL and set *completep to false.

        PR middle-end/57499
        * tree-eh.c (cleanup_empty_eh): Bail out on totally empty
        bb with no successors.

2014-02-05  James Greenhalgh  <james.greenhalgh@arm.com>

        PR target/59718
        * doc/invoke.texi (-march): Clarify documentation for ARM.
        (-mtune): Likewise.
        (-mcpu): Likewise.

2014-02-05  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_analyze_loop_2): Be more informative
        when not vectorizing because of too many alias checks.
        * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
        Add more verboseness, avoid duplicate MSG_MISSED_OPTIMIZATION.

2014-02-05  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Do not
        accept extended registers in any mode when compiling for the MN10300.

2014-02-05  Yury Gribov  <y.gribov@samsung.com>

        * cif-code.def (ATTRIBUTE_MISMATCH): New CIF code.
        * ipa-inline.c (report_inline_failed_reason): Handle mismatched
        sanitization attributes.
        (can_inline_edge_p): Likewise.
        (sanitize_attrs_match_for_inline_p): New function.

2014-02-04  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-prop.c (detect_type_change): Shor circuit testing of
        type changes on THIS pointer.

2014-02-04  John David Anglin  <danglin@gcc.gnu.org>

        PR target/59777
        * config/pa/pa.c (legitimize_tls_address): Return original address
        if not passed a SYMBOL_REF rtx.
        (hppa_legitimize_address): Call legitimize_tls_address for all TLS
        addresses.
        (pa_emit_move_sequence): Simplify TLS source operands.
        (pa_legitimate_constant_p): Reject all TLS constants.
        * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): Correct comment.
        (CONSTANT_ADDRESS_P): Reject TLS CONST addresses.

2014-02-04  Jan Hubicka  <hubicka@ucw.cz>

        * ipa.c (function_and_variable_visibility): Decompose DECL_ONE_ONLY
        groups when we know they are controlled by LTO.
        * varasm.c (default_binds_local_p_1): If object is in other partition,
        it will be resolved locally.

2014-02-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * config/host-linux.c (linux_gt_pch_use_address): Don't
        use SSIZE_MAX because it is not always defined.

2014-02-04  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/59913
        * lra-constraints.c (need_for_split_p): Use more 3 reloads as
        threshold for pseudo splitting.
        (update_ebb_live_info): Process call argument hard registers and
        hard registers from insn definition too.
        (max_small_class_regs_num): New constant.
        (inherit_in_ebb): Update live hard regs through EBBs.  Update
        reloads_num only for small register classes.  Don't split for
        outputs of jumps.

2014-02-04  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR ipa/60058
        * ipa-cp.c (ipa_get_indirect_edge_target_1): Check that target
        is non-null.

2014-02-04  Jan Hubicka  <hubicka@ucw.cz>

        * gimple-fold.c (can_refer_decl_in_current_unit_p): Default
        visibility is safe.

2014-02-04  Marek Polacek  <polacek@redhat.com>

        * gdbinit.in (pel): Define.

2014-02-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * doc/invoke.texi (fstrict-volatile-bitfields): Clarify current
        behavior.

2014-02-04  Richard Biener  <rguenther@suse.de>

        PR lto/59723
        * lto-streamer-out.c (tree_is_indexable): Force NAMELIST_DECLs
        in function context local.
        (lto_output_tree_ref): Do not write trees from lto_output_tree_ref.
        * lto-streamer-in.c (lto_input_tree_ref): Handle LTO_namelist_decl_ref
        similar to LTO_imported_decl_ref.

2014-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/60002
        * cgraphclones.c (build_function_decl_skip_args): Clear
        DECL_LANG_SPECIFIC.

        PR tree-optimization/60023
        * tree-if-conv.c (predicate_mem_writes): Pass true instead of
        false to gsi_replace.
        * tree-vect-stmts.c (vect_finish_stmt_generation): If stmt
        has been in some EH region and vec_stmt could throw, add
        vec_stmt into the same EH region.
        * tree-data-ref.c (get_references_in_stmt): If IFN_MASK_LOAD
        has no lhs, ignore it.
        * internal-fn.c (expand_MASK_LOAD): Likewise.

        PR ipa/60026
        * tree-inline.c (copy_forbidden): Fail for
        __attribute__((optimize (0))) functions.

        PR other/58712
        * omp-low.c (simd_clone_struct_copy): If from->inbranch
        is set, copy one less argument.
        (expand_simd_clones): Don't subtract clone_info->inbranch
        from simd_clone_struct_alloc argument.

        PR rtl-optimization/57915
        * recog.c (simplify_while_replacing): If all unary/binary/relational
        operation arguments are constant, attempt to simplify those.

        PR middle-end/59261
        * expmed.c (expand_mult): For MODE_VECTOR_INT multiplication
        if there is no vashl<mode>3 or ashl<mode>3 insn, skip_synth.

2014-02-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/60012
        * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Apply
        TBAA disambiguation to all DDRs.

2014-02-04  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/59788
        * config/sol2.h (LINK_LIBGCC_MAPFILE_SPEC): Define.
        (LINK_SPEC): Use it for -shared, -shared-libgcc.

2014-02-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/59882
        * tree.c (get_binfo_at_offset): Do not get confused by empty classes;

2014-02-03  Jan Hubicka  <hubicka@ucw.cz>

        * gimple-fold.c (gimple_extract_devirt_binfo_from_cst): Remove.
        * gimple-fold.h (gimple_extract_devirt_binfo_from_cst): Remove.

2014-02-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/59831
        * ipa-cp.c (ipa_get_indirect_edge_target_1): Use ipa-devirt
        to figure out targets of polymorphic calls with known decl.
        * ipa-prop.c (try_make_edge_direct_virtual_call): Likewise.
        * ipa-utils.h (get_polymorphic_call_info_from_invariant): Declare.
        * ipa-devirt.c (get_polymorphic_call_info_for_decl): Break out from ...
        (get_polymorphic_call_info): ... here.
        (get_polymorphic_call_info_from_invariant): New function.

2014-02-03  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-cp.c (ipa_get_indirect_edge_target_1): Do direct
        lookup via vtable pointer; check for type consistency
        and turn inconsitent facts into UNREACHABLE.
        * ipa-prop.c (try_make_edge_direct_virtual_call): Likewise.
        * gimple-fold.c (gimple_get_virt_method_for_vtable): Do not ICE on
        type inconsistent querries; return UNREACHABLE instead.

2014-02-03  Richard Henderson  <rth@twiddle.net>

        PR tree-opt/59924
        * tree-ssa-uninit.c (push_to_worklist): Don't re-push if we've
        already processed this node.
        (normalize_one_pred_1): Pass along mark_set.
        (normalize_one_pred): Create and destroy a pointer_set_t.
        (normalize_one_pred_chain): Likewise.

2014-02-03  Laurent Aflonsi  <laurent.alfonsi@st.com>

        PR gcov-profile/58602
        * gcc/gcov-io.c (gcov_open): Open with truncation when mode < 0.

2014-02-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/59831
        * ipa-cp.c (ipa_get_indirect_edge_target_1): Give up on
        -fno-devirtualize; try to devirtualize by the knowledge of
        virtual table pointer given by aggregate propagation.
        * ipa-prop.c (try_make_edge_direct_virtual_call): Likewise.
        (ipa_print_node_jump_functions): Dump also offset that
        is relevant for polymorphic calls.
        (determine_known_aggregate_parts): Add arg_type parameter; use it
        instead of determining the type from pointer type.
        (ipa_compute_jump_functions_for_edge): Update call of
        determine_known_aggregate_parts.
        * gimple-fold.c (gimple_get_virt_method_for_vtable): Break out from ...
        (gimple_get_virt_method_for_binfo): ... here; simplify using
        vtable_pointer_value_to_vtable.
        * gimple-fold.h (gimple_get_virt_method_for_vtable): Declare.
        * ipa-devirt.c (subbinfo_with_vtable_at_offset): Turn OFFSET parameter
        to unsigned HOST_WIDE_INT; use vtable_pointer_value_to_vtable.
        (vtable_pointer_value_to_vtable): Break out from ...; handle also
        POINTER_PLUS_EXPR.
        (vtable_pointer_value_to_binfo): ... here.
        * ipa-utils.h (vtable_pointer_value_to_vtable): Declare.

2014-02-03  Teresa Johnson  <tejohnson@google.com>

        * tree-vect-slp.c (vect_supported_load_permutation_p): Avoid
        redef of outer loop index variable.

2014-02-03  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/53017
        PR c++/59211
        * doc/extend.texi (Function Attributes): Typo.

2014-02-03  Cong Hou  <congh@google.com>

        PR tree-optimization/60000
        * tree-vect-loop.c (vect_transform_loop): Set pattern_def_seq to NULL
        if the vectorized statement is a store.  A store statement can only
        appear at the end of pattern statements.

2014-02-03  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (flag_opts): Add -mlong-double-128.
        (ix86_option_override_internal): Default long double to 64-bit for
        32-bit Bionic and to 128-bit for 64-bit Bionic.

        * config/i386/i386.h (LONG_DOUBLE_TYPE_SIZE): Use 128 if
        TARGET_LONG_DOUBLE_128 is true.
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.

        * config/i386/i386.opt (mlong-double-80): Negate -mlong-double-64.
        (mlong-double-64): Negate -mlong-double-128.
        (mlong-double-128): New option.

        * config/i386/i386-c.c (ix86_target_macros): Define
        __LONG_DOUBLE_128__ for TARGET_LONG_DOUBLE_128.

        * doc/invoke.texi: Document -mlong-double-128.

2014-02-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/60024
        * sel-sched.c (init_regs_for_mode): Check if mode is OK first.

2014-02-03  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * doc/invoke.texi (fprofile-reorder-functions): Fix typo.

2014-02-03  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/57662
        * sel-sched.c (code_motion_path_driver): Do not mark already not
        existing blocks in the visiting bitmap.

2014-02-03  Andrey Belevantsev  <abel@ispras.ru>

        * sel-sched-ir.c (sel_gen_insn_from_expr_after): Reset INSN_DELETED_P
        on the insn being emitted.

2014-02-03  James Greenhalgh  <james.greenhalgh@arm.com>
            Will Deacon  <will.deacon@arm.com>

        * doc/gimple.texi (gimple_asm_clear_volatile): Remove.

2014-02-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm-tables.opt: Regenerate.

2014-02-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (altivec_expand_vec_perm_le): Generalize
        for vector types other than V16QImode.
        * config/rs6000/altivec.md (altivec_vperm_<mode>): Change to a
        define_expand, and call altivec_expand_vec_perm_le when producing
        code with little endian element order.
        (*altivec_vperm_<mode>_internal): New insn having previous
        behavior of altivec_vperm_<mode>.
        (altivec_vperm_<mode>_uns): Change to a define_expand, and call
        altivec_expand_vec_perm_le when producing code with little endian
        element order.
        (*altivec_vperm_<mode>_uns_internal): New insn having previous
        behavior of altivec_vperm_<mode>_uns.

2014-02-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (UNSPEC_VSUMSWS_DIRECT): New unspec.
        (altivec_vsumsws): Add handling for -maltivec=be with a little
        endian target.
        (altivec_vsumsws_direct): New.
        (reduc_splus_<mode>): Call gen_altivec_vsumsws_direct instead of
        gen_altivec_vsumsws.

2014-02-02  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c (subbinfo_with_vtable_at_offset,
        vtable_pointer_value_to_binfo): New functions.
        * ipa-utils.h (vtable_pointer_value_to_binfo): Declare.
        * ipa-prop.c (extr_type_from_vtbl_ptr_store): Use it.

2014-02-02  Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2.md (load_got_register): Initialize GOT
        pointer from _gp_got instead of _GLOBAL_OFFSET_TABLE_.
        * config/nios2/nios2.c (nios2_function_profiler): Likewise.

2014-02-02  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-prop.c (update_jump_functions_after_inlining): When type is not
        preserverd by passthrough, do not propagate the type.

2014-02-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (MIPS_GET_FCSR, MIPS_SET_FCSR): New macros.
        (mips_atomic_assign_expand_fenv): New function.
        (TARGET_ATOMIC_ASSIGN_EXPAND_FENV): Define.

2014-02-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/extend.texi (__builtin_mips_get_fcsr): Document.
        (__builtin_mips_set_fcsr): Likewise.
        * config/mips/mips-ftypes.def: Add MIPS_VOID_FTYPE_USI and
        MIPS_USI_FTYPE_VOID.
        * config/mips/mips-protos.h (mips16_expand_get_fcsr): Declare
        (mips16_expand_set_fcsr): Likewise.
        * config/mips/mips.c (mips16_get_fcsr_stub): New variable.
        (mips16_set_fcsr_stub): Likewise.
        (mips16_get_fcsr_one_only_stub): New class.
        (mips16_set_fcsr_one_only_stub): Likewise.
        (mips16_expand_get_fcsr, mips16_expand_set_fcsr): New functions.
        (mips_code_end): Output the get_fcsr and set_fcsr stubs, if needed.
        (BUILTIN_AVAIL_MIPS16, AVAIL_ALL): New macros.
        (hard_float): New availability predicate.
        (mips_builtins): Add get_fcsr and set_fcsr.
        (mips_expand_builtin): Check BUILTIN_AVAIL_MIPS16.
        * config/mips/mips.md (UNSPEC_GET_FCSR, UNSPEC_SET_FCSR): New unspecs.
        (GET_FCSR_REGNUM, SET_FCSR_REGNUM): New constants.
        (mips_get_fcsr, *mips_get_fcsr, mips_get_fcsr_mips16_<mode>)
        (mips_set_fcsr, *mips_set_fcsr, mips_set_fcsr_mips16_<mode>): New
        patterns.

2014-02-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_one_only_stub): New class.
        (mips_need_mips16_rdhwr_p): Replace with...
        (mips16_rdhwr_stub): ...this new variable.
        (mips16_stub_call_address): New function.
        (mips16_rdhwr_one_only_stub): New class.
        (mips_expand_thread_pointer): Use mips16_stub_call_address.
        (mips_output_mips16_rdhwr): Delete.
        (mips_finish_stub): New function.
        (mips_code_end): Use it to handle rdhwr stubs.

2014-02-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/60017
        * config/i386/i386.c (classify_argument): Fix handling of bit_offset
        when calculating size of integer atomic types.

2014-02-02  H.J. Lu  <hongjiu.lu@intel.com>

        * ipa-inline-analysis.c (true_predicate_p): Fix a typo in comments.

2014-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/60003
        * gimple-low.c (lower_builtin_setjmp): Set cfun->has_nonlocal_label.
        * profile.c (branch_prob): Use gimple_call_builtin_p
        to check for BUILT_IN_SETJMP_RECEIVER.
        * tree-inline.c (copy_bb): Call notice_special_calls.

2014-01-31  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/59985
        * lra-constraints.c (process_alt_operands): Update reload_sum only
        on the first pass.

2014-01-31  Richard Henderson  <rth@redhat.com>

        PR middle-end/60004
        * tree-eh.c (lower_try_finally_switch): Delay lowering finally block
        until after else_eh is processed.

2014-01-31  Ilya Tocar  <ilya.tocar@intel.com>

        * config/i386/avx512fintrin.h (_MM_FROUND_TO_NEAREST_INT),
        (_MM_FROUND_TO_NEG_INF), (_MM_FROUND_TO_POS_INF),
        (_MM_FROUND_TO_ZERO), (_MM_FROUND_CUR_DIRECTION): Are already defined
        in smmintrin.h, remove them.
        (_MM_FROUND_NO_EXC): Same as above, bit also wrong value.
        * config/i386/i386.c (ix86_print_operand): Split sae and rounding.
        * config/i386/i386.md (ROUND_SAE): Fix value.
        * config/i386/predicates.md (const_4_or_8_to_11_operand): New.
        (const48_operand): New.
        * config/i386/subst.md (round), (round_expand): Use
        const_4_or_8_to_11_operand.
        (round_saeonly), (round_saeonly_expand): Use const48_operand.

2014-01-31  Ilya Tocar  <ilya.tocar@intel.com>

        * config/i386/constraints.md (Yk): Swap meaning with k.
        * config/i386/i386.md (movhi_internal): Change Yk to k.
        (movqi_internal): Ditto.
        (*k<logic><mode>): Ditto.
        (*andhi_1): Ditto.
        (*andqi_1): Ditto.
        (kandn<mode>): Ditto.
        (*<code>hi_1): Ditto.
        (*<code>qi_1): Ditto.
        (kxnor<mode>): Ditto.
        (kortestzhi): Ditto.
        (kortestchi): Ditto.
        (kunpckhi): Ditto.
        (*one_cmplhi2_1): Ditto.
        (*one_cmplqi2_1): Ditto.
        * config/i386/sse.md (): Change k to Yk.
        (avx512f_load<mode>_mask): Ditto.
        (avx512f_blendm<mode>): Ditto.
        (avx512f_store<mode>_mask): Ditto.
        (avx512f_storeu<ssemodesuffix>512_mask): Ditto.
        (avx512f_storedqu<mode>_mask): Ditto.
        (avx512f_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>):
        Ditto.
        (avx512f_ucmp<mode>3<mask_scalar_merge_name>): Ditto.
        (avx512f_vmcmp<mode>3<round_saeonly_name>): Ditto.
        (avx512f_vmcmp<mode>3_mask<round_saeonly_name>): Ditto.
        (avx512f_maskcmp<mode>3): Ditto.
        (avx512f_fmadd_<mode>_mask<round_name>): Ditto.
        (avx512f_fmadd_<mode>_mask3<round_name>): Ditto.
        (avx512f_fmsub_<mode>_mask<round_name>): Ditto.
        (avx512f_fmsub_<mode>_mask3<round_name>): Ditto.
        (avx512f_fnmadd_<mode>_mask<round_name>): Ditto.
        (avx512f_fnmadd_<mode>_mask3<round_name>): Ditto.
        (avx512f_fnmsub_<mode>_mask<round_name>): Ditto.
        (avx512f_fnmsub_<mode>_mask3<round_name>): Ditto.
        (avx512f_fmaddsub_<mode>_mask<round_name>): Ditto.
        (avx512f_fmaddsub_<mode>_mask3<round_name>): Ditto.
        (avx512f_fmsubadd_<mode>_mask<round_name>): Ditto.
        (avx512f_fmsubadd_<mode>_mask3<round_name>): Ditto.
        (avx512f_vextract<shuffletype>32x4_1_maskm): Ditto.
        (vec_extract_lo_<mode>_maskm): Ditto.
        (vec_extract_hi_<mode>_maskm): Ditto.
        (avx512f_vternlog<mode>_mask): Ditto.
        (avx512f_fixupimm<mode>_mask<round_saeonly_name>): Ditto.
        (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Ditto.
        (avx512f_<code><pmov_src_lower><mode>2_mask): Ditto.
        (avx512f_<code>v8div16qi2_mask): Ditto.
        (avx512f_<code>v8div16qi2_mask_store): Ditto.
        (avx512f_eq<mode>3<mask_scalar_merge_name>_1): Ditto.
        (avx512f_gt<mode>3<mask_scalar_merge_name>): Ditto.
        (avx512f_testm<mode>3<mask_scalar_merge_name>): Ditto.
        (avx512f_testnm<mode>3<mask_scalar_merge_name>): Ditto.
        (*avx512pf_gatherpf<mode>sf_mask): Ditto.
        (*avx512pf_gatherpf<mode>df_mask): Ditto.
        (*avx512pf_scatterpf<mode>sf_mask): Ditto.
        (*avx512pf_scatterpf<mode>df_mask): Ditto.
        (avx512cd_maskb_vec_dupv8di): Ditto.
        (avx512cd_maskw_vec_dupv16si): Ditto.
        (avx512f_vpermi2var<mode>3_maskz): Ditto.
        (avx512f_vpermi2var<mode>3_mask): Ditto.
        (avx512f_vpermi2var<mode>3_mask): Ditto.
        (avx512f_vpermt2var<mode>3_maskz): Ditto.
        (*avx512f_gathersi<mode>): Ditto.
        (*avx512f_gathersi<mode>_2): Ditto.
        (*avx512f_gatherdi<mode>): Ditto.
        (*avx512f_gatherdi<mode>_2): Ditto.
        (*avx512f_scattersi<mode>): Ditto.
        (*avx512f_scatterdi<mode>): Ditto.
        (avx512f_compress<mode>_mask): Ditto.
        (avx512f_compressstore<mode>_mask): Ditto.
        (avx512f_expand<mode>_mask): Ditto.
        * config/i386/subst.md (mask): Change k to Yk.
        (mask_scalar_merge): Ditto.
        (sd): Ditto.

2014-01-31  Marc Glisse  <marc.glisse@inria.fr>

        * doc/extend.texi (Vector Extensions): Document ?: in C++.

2014-01-31  Richard Biener  <rguenther@suse.de>

        PR middle-end/59990
        * builtins.c (fold_builtin_memory_op): Make sure to not
        use a floating-point mode or a boolean or enumeral type for
        the copy operation.

2014-01-30  DJ Delorie  <dj@redhat.com>

        * config/msp430/msp430.h (LIB_SPEC): Add -lcrt
        * config/msp430/msp430.md (msp430_refsym_need_exit): New.
        * config/msp430/msp430.c (msp430_expand_epilogue): Call it
        whenever main() has an epilogue.

2014-01-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_expand_vector_init): Remove
        unused variable "field".
        * config/rs6000/vsx.md (vsx_mergel_<mode>): Add missing DONE.
        (vsx_mergeh_<mode>): Likewise.
        * config/rs6000/altivec.md (altivec_vmrghb): Likewise.
        (altivec_vmrghh): Likewise.
        (altivec_vmrghw): Likewise.
        (altivec_vmrglb): Likewise.
        (altivec_vmrglh): Likewise.
        (altivec_vmrglw): Likewise.
        (altivec_vspltb): Add missing uses.
        (altivec_vsplth): Likewise.
        (altivec_vspltw): Likewise.
        (altivec_vspltsf): Likewise.

2014-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/59923
        * ifcvt.c (cond_exec_process_insns): Don't conditionalize
        frame related instructions.

2014-01-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/59959
        * lra-constrains.c (simplify_operand_subreg): Assign NO_REGS to
        any reload of register whose subreg is invalid.

2014-01-30  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/f16cintrin.h (_cvtsh_ss): Avoid -Wnarrowing warning.
        * config/i386/avx512fintrin.h (_mm512_mask_cvtusepi64_storeu_epi32):
        Add missing return type - void.

2014-01-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * gcc/config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
        gen_vsx_xxspltw_v4sf_direct instead of gen_vsx_xxspltw_v4sf;
        remove element index adjustment for endian (now handled in vsx.md
        and altivec.md).
        (altivec_expand_vec_perm_const): Use
        gen_altivec_vsplt[bhw]_direct instead of gen_altivec_vsplt[bhw].
        * gcc/config/rs6000/vsx.md (UNSPEC_VSX_XXSPLTW): New unspec.
        (vsx_xxspltw_<mode>): Adjust element index for little endian.
        * gcc/config/rs6000/altivec.md (altivec_vspltb): Divide into a
        define_expand and a new define_insn *altivec_vspltb_internal;
        adjust for -maltivec=be on a little endian target.
        (altivec_vspltb_direct): New.
        (altivec_vsplth): Divide into a define_expand and a new
        define_insn *altivec_vsplth_internal; adjust for -maltivec=be on a
        little endian target.
        (altivec_vsplth_direct): New.
        (altivec_vspltw): Divide into a define_expand and a new
        define_insn *altivec_vspltw_internal; adjust for -maltivec=be on a
        little endian target.
        (altivec_vspltw_direct): New.
        (altivec_vspltsf): Divide into a define_expand and a new
        define_insn *altivec_vspltsf_internal; adjust for -maltivec=be on
        a little endian target.

2014-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59993
        * tree-ssa-forwprop.c (associate_pointerplus): Check we
        can propagate form the earlier stmt and avoid the transform
        when the intermediate result is needed.

2014-01-30  Alangi Derick  <alangiderick@gmail.com>

        * README.Portability: Fix typo.

2014-01-30  David Holsgrove <david.holsgrove@xilinx.com>

        * config/microblaze/microblaze.md(cstoresf4, cbranchsf4): Replace
        comparison_operator with ordered_comparison_operator.

2014-01-30  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300-protos.h (mn10300_store_multiple_operation_p):
        Rename to mn10300_store_multiple_regs.
        * config/mn10300/mn10300.c: Likewise.
        * config/mn10300/mn10300.md (store_movm): Fix typo: call
        store_multiple_regs.
        * config/mn10300/predicates.md (mn10300_store_multiple_operation):
        Call mn10300_store_multiple_regs.

2014-01-30  Nick Clifton  <nickc@redhat.com>
            DJ Delorie  <dj@redhat.com>

        * config/rl78/rl78.c (register_sizes): Make the "upper half" of
        %fp 2 to keep registers after it properly word-aligned.
        (rl78_alloc_physical_registers_umul): Handle the case where both
        input operands are the same.

2014-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59903
        * tree-vect-loop.c (vect_transform_loop): Guard multiple-types
        check properly.

2014-01-30  Jason Merrill  <jason@redhat.com>

        PR c++/59633
        * tree.c (walk_type_fields): Handle VECTOR_TYPE.

        PR c++/59645
        * cgraphunit.c (expand_thunk): Copy volatile arg to a temporary.

2014-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59951
        * tree-vect-slp.c (vect_bb_slp_scalar_cost): Skip uses in debug insns.

2014-01-30  Savin Zlobec  <savin.zlobec@gmail.com>

        PR target/59784
        * config/nios2/nios2.c (nios2_fpu_insn_asm): Fix asm output of
        SFmode to DFmode case.

2014-01-29  DJ Delorie  <dj@redhat.com>

        * config/msp430/msp430.opt (-minrt): New.
        * config/msp430/msp430.h (STARTFILE_SPEC): Link alternate runtime
        if -minrt given.
        (ENDFILE_SPEC): Likewise.

2014-01-29  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (clobber_only_eh_bb_p): New function.
        (estimate_function_body_sizes): Use it.

2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58561
        * dwarf2out.c (is_cxx_auto): New.
        (is_base_type): Use it.
        (gen_type_die_with_usage): Likewise.

2014-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (altivec_expand_vec_perm_const):  Use
        CODE_FOR_altivec_vmrg*_direct rather than CODE_FOR_altivec_vmrg*.
        * config/rs6000/vsx.md (vsx_mergel_<mode>): Adjust for
        -maltivec=be with LE targets.
        (vsx_mergeh_<mode>): Likewise.
        * config/rs6000/altivec.md (UNSPEC_VMRG[HL]_DIRECT): New unspecs.
        (mulv8hi3): Use gen_altivec_vmrg[hl]w_direct.
        (altivec_vmrghb): Replace with define_expand and new
        *altivec_vmrghb_internal insn; adjust for -maltivec=be with LE targets.
        (altivec_vmrghb_direct): New define_insn.
        (altivec_vmrghh): Replace with define_expand and new
        *altivec_vmrghh_internal insn; adjust for -maltivec=be with LE targets.
        (altivec_vmrghh_direct): New define_insn.
        (altivec_vmrghw): Replace with define_expand and new
        *altivec_vmrghw_internal insn; adjust for -maltivec=be with LE targets.
        (altivec_vmrghw_direct): New define_insn.
        (*altivec_vmrghsf): Adjust for endianness.
        (altivec_vmrglb): Replace with define_expand and new
        *altivec_vmrglb_internal insn; adjust for -maltivec=be with LE targets.
        (altivec_vmrglb_direct): New define_insn.
        (altivec_vmrglh): Replace with define_expand and new
        *altivec_vmrglh_internal insn; adjust for -maltivec=be with LE targets.
        (altivec_vmrglh_direct): New define_insn.
        (altivec_vmrglw): Replace with define_expand and new
        *altivec_vmrglw_internal insn; adjust for -maltivec=be with LE targets.
        (altivec_vmrglw_direct): New define_insn.
        (*altivec_vmrglsf): Adjust for endianness.
        (vec_widen_umult_hi_v16qi): Use gen_altivec_vmrghh_direct.
        (vec_widen_umult_lo_v16qi): Use gen_altivec_vmrglh_direct.
        (vec_widen_smult_hi_v16qi): Use gen_altivec_vmrghh_direct.
        (vec_widen_smult_lo_v16qi): Use gen_altivec_vmrglh_direct.
        (vec_widen_umult_hi_v8hi): Use gen_altivec_vmrghw_direct.
        (vec_widen_umult_lo_v8hi): Use gen_altivec_vmrglw_direct.
        (vec_widen_smult_hi_v8hi): Use gen_altivec_vmrghw_direct.
        (vec_widen_smult_lo_v8hi): Use gen_altivec_vmrglw_direct.

2014-01-29  Marcus Shawcroft  <marcus.shawcroft@arm.com>

        * config/aarch64/aarch64.c (aarch64_expand_mov_immediate)
        (aarch64_legitimate_address_p, aarch64_class_max_nregs): Adjust
        whitespace.

2014-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/58742
        * tree-ssa-forwprop.c (associate_pointerplus): Rename to
        associate_pointerplus_align.
        (associate_pointerplus_diff): New function.
        (associate_pointerplus): Likewise.  Call associate_pointerplus_align
        and associate_pointerplus_diff.

2014-01-29  Richard Biener  <rguenther@suse.de>

        * lto-streamer.h (LTO_major_version): Bump to 3.
        (LTO_minor_version): Reset to 0.

2014-01-29  Renlin Li  <Renlin.Li@arm.com>

        * config/arm/arm-arches.def (ARM_ARCH): Add armv7ve arch.
        * config/arm/arm.c (FL_FOR_ARCH7VE): New.
        (arm_file_start): Generate correct asm header for armv7ve.
        * config/arm/bpabi.h: Add multilib support for armv7ve.
        * config/arm/driver-arm.c: Change the architectures of cortex-a7
        and cortex-a15 to armv7ve.
        * config/arm/t-aprofile: Add multilib support for armv7ve.
        * doc/invoke.texi: Document -march=armv7ve.

2014-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/58742
        * tree-ssa-forwprop.c (associate_plusminus): Return true
        if we changed sth, defer EH cleanup to ...
        (ssa_forward_propagate_and_combine): ... here.  Call simplify_mult.
        (simplify_mult): New function.

2014-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/59917
        PR tree-optimization/59920
        * tree.c (build_common_builtin_nodes): Remove
        __builtin_setjmp_dispatcher initialization.
        * omp-low.h (make_gimple_omp_edges): Add a new int * argument.
        * profile.c (branch_prob): Use gsi_start_nondebug_after_labels_bb
        instead of gsi_after_labels + manually skipping debug stmts.
        Don't ignore bbs with BUILT_IN_SETJMP_DISPATCHER, instead
        ignore bbs with IFN_ABNORMAL_DISPATCHER.
        * tree-inline.c (copy_edges_for_bb): Remove
        can_make_abnormal_goto argument, instead add abnormal_goto_dest
        argument.  Ignore computed_goto_p stmts.  Don't call
        make_abnormal_goto_edges.  If a call might need abnormal edges
        for non-local gotos, see if it already has an edge to
        IFN_ABNORMAL_DISPATCHER or if it is IFN_ABNORMAL_DISPATCHER
        with true argument, don't do anything then, otherwise add
        EDGE_ABNORMAL from the call's bb to abnormal_goto_dest.
        (copy_cfg_body): Compute abnormal_goto_dest, adjust copy_edges_for_bb
        caller.
        * gimple-low.c (struct lower_data): Remove calls_builtin_setjmp.
        (lower_function_body): Don't emit __builtin_setjmp_dispatcher.
        (lower_stmt): Don't set data->calls_builtin_setjmp.
        (lower_builtin_setjmp): Adjust comment.
        * builtins.def (BUILT_IN_SETJMP_DISPATCHER): Remove.
        * tree-cfg.c (found_computed_goto): Remove.
        (factor_computed_gotos): Remove.
        (make_goto_expr_edges): Return bool, true for computed gotos.
        Don't call make_abnormal_goto_edges.
        (build_gimple_cfg): Don't set found_computed_goto, don't call
        factor_computed_gotos.
        (computed_goto_p): No longer static.
        (make_blocks): Don't set found_computed_goto.
        (get_abnormal_succ_dispatcher, handle_abnormal_edges): New functions.
        (make_edges): If make_goto_expr_edges returns true, push bb
        into ab_edge_goto vector, for stmt_can_make_abnormal_goto calls
        instead of calling make_abnormal_goto_edges push bb into ab_edge_call
        vector.  Record mapping between bbs and OpenMP regions if there
        are any, adjust make_gimple_omp_edges caller.  Call
        handle_abnormal_edges.
        (make_abnormal_goto_edges): Remove.
        * tree-cfg.h (make_abnormal_goto_edges): Remove.
        (computed_goto_p, get_abnormal_succ_dispatcher): New prototypes.
        * internal-fn.c (expand_ABNORMAL_DISPATCHER): New function.
        * builtins.c (expand_builtin): Don't handle BUILT_IN_SETJMP_DISPATCHER.
        * internal-fn.def (ABNORMAL_DISPATCHER): New.
        * omp-low.c (make_gimple_omp_edges): Add region_idx argument, when
        filling *region also set *region_idx to (*region)->entry->index.

        PR other/58712
        * read-rtl.c (read_rtx_code): Clear all of RTX_CODE_SIZE (code).
        For REGs set ORIGINAL_REGNO.

2014-01-29  Bingfeng Mei  <bmei@broadcom.com>

        * doc/md.texi: Mention that a target shouldn't implement
        vec_widen_(s|u)mul_even/odd pair if it is less efficient
        than hi/lo pair.

2014-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/59594
        * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Sort
        a copy of the datarefs vector rather than the vector itself.

2014-01-28  Jason Merrill  <jason@redhat.com>

        PR c++/53756
        * dwarf2out.c (auto_die): New static.
        (gen_type_die_with_usage): Handle C++1y 'auto'.
        (gen_subprogram_die): If in-class DIE had 'auto', emit type again
        on definition.

2014-01-28  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/59672
        * config/i386/gnu-user64.h (SPEC_32): Add "m16|" to "m32".
        (SPEC_X32): Likewise.
        (SPEC_64): Likewise.
        * config/i386/i386.c (ix86_option_override_internal): Turn off
        OPTION_MASK_ISA_64BIT, OPTION_MASK_ABI_X32 and OPTION_MASK_ABI_64
        for TARGET_16BIT.
        (x86_file_start): Output .code16gcc for TARGET_16BIT.
        * config/i386/i386.h (TARGET_16BIT): New macro.
        (TARGET_16BIT_P): Likewise.
        * config/i386/i386.opt: Add m16.
        * doc/invoke.texi: Document -m16.

2014-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/59935
        * input.c (location_get_source_line): Bail out on when line number
        is zero, and test the return value of lookup_or_add_file_to_cache_tab.

2014-01-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/58742
        * tree-ssa-forwprop.c (associate_plusminus): Handle
        pointer subtraction of the form (T)(P + A) - (T)P.

2014-01-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_new_rtx_costs): Remove useless statement
        at const_int_cost.

2014-01-28  Richard Biener  <rguenther@suse.de>

        Revert
        2014-01-28  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/45364
        PR rtl-optimization/59890
        * var-tracking.c (local_get_addr_clear_given_value): Handle
        already cleared slot.
        (val_reset): Handle not allocated local_get_addr_cache.
        (vt_find_locations): Use post-order on the inverted CFG.

2014-01-28  Richard Biener  <rguenther@suse.de>

        * tree-data-ref.h (ddr_is_anti_dependent, ddrs_have_anti_deps): Remove.

2014-01-28  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/45364
        PR rtl-optimization/59890
        * var-tracking.c (local_get_addr_clear_given_value): Handle
        already cleared slot.
        (val_reset): Handle not allocated local_get_addr_cache.
        (vt_find_locations): Use post-order on the inverted CFG.

2014-01-28  Alan Modra  <amodra@gmail.com>

        * Makefile.in (BUILD_CPPFLAGS): Do not use ALL_CPPFLAGS.
        * configure.ac <recursive call for build != host>: Define
        GENERATOR_FILE.  Comment.  Use CXX_FOR_BUILD, CXXFLAGS_FOR_BUILD
        and LD_FOR_BUILD too.
        * configure: Regenerate.

2014-01-27  Allan Sandfeld Jensen  <sandfeld@kde.org>

        * config/i386/i386.c (get_builtin_code_for_version): Separate
        Westmere from Nehalem, Ivy Bridge from Sandy Bridge and
        Broadwell from Haswell.

2014-01-27  Steve Ellcey  <sellcey@mips.com>

        * common/config/mips/mips-common.c (TARGET_DEFAULT_TARGET_FLAGS):
        Remove TARGET_FP_EXCEPTIONS_DEFAULT and MASK_FUSED_MADD.
        * config/mips/mips.c (mips_option_override): Change setting
        of TARGET_DSP.
        * config/mips/mips.h (TARGET_FP_EXCEPTIONS_DEFAULT): Remove.
        * config/mips/mips.opt (DSP, DSPR2, FP_EXCEPTIONS, FUSED_MADD, MIPS3D):
        Change from Mask to Var.

2014-01-27  Jeff Law  <law@redhat.com>

        * ipa-inline.c (inline_small_functions): Fix typo.

2014-01-27  Ilya Tocar  <ilya.tocar@intel.com>

        * config/i386/avx512fintrin.h (_mm512_mask_cvtepi32_storeu_epi8): New.
        (_mm512_mask_cvtsepi32_storeu_epi8): Ditto.
        (_mm512_mask_cvtusepi32_storeu_epi8): Ditto.
        (_mm512_mask_cvtepi32_storeu_epi16): Ditto.
        (_mm512_mask_cvtsepi32_storeu_epi16): Ditto.
        (_mm512_mask_cvtusepi32_storeu_epi16): Ditto.
        (_mm512_mask_cvtepi64_storeu_epi32): Ditto.
        (_mm512_mask_cvtsepi64_storeu_epi32): Ditto.
        (_mm512_mask_cvtusepi64_storeu_epi32): Ditto.
        (_mm512_mask_cvtepi64_storeu_epi16): Ditto.
        (_mm512_mask_cvtsepi64_storeu_epi16): Ditto.
        (_mm512_mask_cvtusepi64_storeu_epi16): Ditto.
        (_mm512_mask_cvtepi64_storeu_epi8): Ditto.
        (_mm512_mask_cvtsepi64_storeu_epi8): Ditto.
        (_mm512_mask_cvtusepi64_storeu_epi8): Ditto.
        (_mm512_storeu_epi64): Ditto.
        (_mm512_cmpge_epi32_mask): Ditto.
        (_mm512_cmpge_epu32_mask): Ditto.
        (_mm512_cmpge_epi64_mask): Ditto.
        (_mm512_cmpge_epu64_mask): Ditto.
        (_mm512_cmple_epi32_mask): Ditto.
        (_mm512_cmple_epu32_mask): Ditto.
        (_mm512_cmple_epi64_mask): Ditto.
        (_mm512_cmple_epu64_mask): Ditto.
        (_mm512_cmplt_epi32_mask): Ditto.
        (_mm512_cmplt_epu32_mask): Ditto.
        (_mm512_cmplt_epi64_mask): Ditto.
        (_mm512_cmplt_epu64_mask): Ditto.
        (_mm512_cmpneq_epi32_mask): Ditto.
        (_mm512_cmpneq_epu32_mask): Ditto.
        (_mm512_cmpneq_epi64_mask): Ditto.
        (_mm512_cmpneq_epu64_mask): Ditto.
        (_mm512_expand_pd): Ditto.
        (_mm512_expand_ps): Ditto.
        * config/i386/i386-builtin-types.def: Add PV16QI, PV16QI, PV16HI,
        VOID_PV8SI_V8DI_QI, VOID_PV8HI_V8DI_QI, VOID_PV16QI_V8DI_QI,
        VOID_PV16QI_V16SI_HI, VOID_PV16HI_V16SI_HI.
        * config/i386/i386.c (ix86_builtins): Add
        IX86_BUILTIN_EXPANDPD512_NOMASK, IX86_BUILTIN_EXPANDPS512_NOMASK,
        IX86_BUILTIN_PMOVDB512_MEM, IX86_BUILTIN_PMOVDW512_MEM,
        IX86_BUILTIN_PMOVQB512_MEM, IX86_BUILTIN_PMOVQD512_MEM,
        IX86_BUILTIN_PMOVQW512_MEM, IX86_BUILTIN_PMOVSDB512_MEM,
        IX86_BUILTIN_PMOVSDW512_MEM, IX86_BUILTIN_PMOVSQB512_MEM,
        IX86_BUILTIN_PMOVSQD512_MEM, IX86_BUILTIN_PMOVSQW512_MEM,
        IX86_BUILTIN_PMOVUSDB512_MEM, IX86_BUILTIN_PMOVUSDW512_MEM,
        IX86_BUILTIN_PMOVUSQB512_MEM, IX86_BUILTIN_PMOVUSQD512_MEM,
        IX86_BUILTIN_PMOVUSQW512_MEM.
        (bdesc_special_args): Add __builtin_ia32_pmovusqd512mem_mask,
        __builtin_ia32_pmovsqd512mem_mask,
        __builtin_ia32_pmovqd512mem_mask,
        __builtin_ia32_pmovusqw512mem_mask,
        __builtin_ia32_pmovsqw512mem_mask,
        __builtin_ia32_pmovqw512mem_mask,
        __builtin_ia32_pmovusdw512mem_mask,
        __builtin_ia32_pmovsdw512mem_mask,
        __builtin_ia32_pmovdw512mem_mask,
        __builtin_ia32_pmovqb512mem_mask,
        __builtin_ia32_pmovusqb512mem_mask,
        __builtin_ia32_pmovsqb512mem_mask,
        __builtin_ia32_pmovusdb512mem_mask,
        __builtin_ia32_pmovsdb512mem_mask,
        __builtin_ia32_pmovdb512mem_mask.
        (bdesc_args): Add __builtin_ia32_expanddf512,
        __builtin_ia32_expandsf512.
        (ix86_expand_special_args_builtin): Handle VOID_FTYPE_PV8SI_V8DI_QI,
        VOID_FTYPE_PV8HI_V8DI_QI, VOID_FTYPE_PV16HI_V16SI_HI,
        VOID_FTYPE_PV16QI_V8DI_QI, VOID_FTYPE_PV16QI_V16SI_HI.
        * config/i386/sse.md (unspec): Add UNSPEC_EXPAND_NOMASK.
        (avx512f_<code><pmov_src_lower><mode>2_mask_store): New.
        (*avx512f_<code>v8div16qi2_store_mask): Renamed to ...
        (avx512f_<code>v8div16qi2_mask_store): This.
        (avx512f_expand<mode>): New.

2014-01-27  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/avx512pfintrin.h (_mm512_mask_prefetch_i32gather_pd):
        New.
        (_mm512_mask_prefetch_i64gather_pd): Ditto.
        (_mm512_prefetch_i32scatter_pd): Ditto.
        (_mm512_mask_prefetch_i32scatter_pd): Ditto.
        (_mm512_prefetch_i64scatter_pd): Ditto.
        (_mm512_mask_prefetch_i64scatter_pd): Ditto.
        (_mm512_mask_prefetch_i32gather_ps): Fix operand type.
        (_mm512_mask_prefetch_i64gather_ps): Ditto.
        (_mm512_prefetch_i32scatter_ps): Ditto.
        (_mm512_mask_prefetch_i32scatter_ps): Ditto.
        (_mm512_prefetch_i64scatter_ps): Ditto.
        (_mm512_mask_prefetch_i64scatter_ps): Ditto.
        * config/i386/i386-builtin-types.def: Define
        VOID_FTYPE_QI_V8SI_PCINT64_INT_INT
        and VOID_FTYPE_QI_V8DI_PCINT64_INT_INT.
        * config/i386/i386.c (ix86_builtins): Define IX86_BUILTIN_GATHERPFQPD,
        IX86_BUILTIN_GATHERPFDPD, IX86_BUILTIN_SCATTERPFDPD,
        IX86_BUILTIN_SCATTERPFQPD.
        (ix86_init_mmx_sse_builtins): Define __builtin_ia32_gatherpfdpd,
        __builtin_ia32_gatherpfdps, __builtin_ia32_gatherpfqpd,
        __builtin_ia32_gatherpfqps, __builtin_ia32_scatterpfdpd,
        __builtin_ia32_scatterpfdps, __builtin_ia32_scatterpfqpd,
        __builtin_ia32_scatterpfqps.
        (ix86_expand_builtin): Expand new built-ins.
        * config/i386/sse.md (avx512pf_gatherpf<mode>): Add SF suffix,
        fix memory access data type.
        (*avx512pf_gatherpf<mode>_mask): Ditto.
        (*avx512pf_gatherpf<mode>): Ditto.
        (avx512pf_scatterpf<mode>): Ditto.
        (*avx512pf_scatterpf<mode>_mask): Ditto.
        (*avx512pf_scatterpf<mode>): Ditto.
        (GATHER_SCATTER_SF_MEM_MODE): New.
        (avx512pf_gatherpf<mode>df): Ditto.
        (*avx512pf_gatherpf<mode>df_mask): Ditto.
        (*avx512pf_scatterpf<mode>df): Ditto.

2014-01-27  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/59934
        * expmed.h (expmed_mode_index): Rework so that analysis and optimziers
        know when the MODE_PARTIAL_INT and MODE_VECTOR_INT cases can never be
        reached.

2014-01-27  James Greenhalgh  <james.greenhalgh@arm.com>

        * common/config/arm/arm-common.c
        (arm_rewrite_mcpu): Handle multiple names.
        * config/arm/arm.h
        (BIG_LITTLE_SPEC): Do not discard mcpu switches.

2014-01-27  James Greenhalgh  <james.greenhalgh@arm.com>

        * gimple-builder.h (create_gimple_tmp): Delete.

2014-01-27  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh-mem.cc (sh_expand_cmpnstr): Fix remaining bytes after
        words comparisons.

2014-01-26  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.md (call): Generate indirect long calls to non-local
        functions when outputing 32-bit code.
        (call_value): Likewise except for special call to buggy powf function.

        * config/pa/pa.c (pa_attr_length_indirect_call): Adjust length of
        portable runtime and PIC indirect calls.
        (pa_output_indirect_call): Remove unnecessary nop from portable runtime
        and PIC call sequences.  Use ldo instead of blr to set return register
        in PIC call sequence.

2014-01-25  Walter Lee  <walt@tilera.com>

        * config/tilegx/sync.md (atomic_fetch_sub): Fix negation and
        avoid clobbering a live register.

2014-01-25  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx-c.c (tilegx_cpu_cpp_builtins):
        Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_{1,2}.
        * config/tilegx/tilepro-c.c (tilepro_cpu_cpp_builtins):
        Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_{1,2,4,8}.

2014-01-25  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (tilegx_function_arg): Start 16-byte
        arguments on even registers.
        (tilegx_gimplify_va_arg_expr): Align 16-byte var args to
        STACK_BOUNDARY.
        * config/tilegx/tilegx.h (STACK_BOUNDARY): Change to 16 bytes.
        (BIGGEST_ALIGNMENT): Ditto.
        (BIGGEST_FIELD_ALIGNMENT): Ditto.

2014-01-25  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (tilegx_gen_bundles): Delete barrier
        insns before bundling.
        * config/tilegx/tilegx.md (tile_network_barrier): Update comment.

2014-01-25  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (tilegx_expand_builtin): Set
        PREFETCH_SCHEDULE_BARRIER_P to true for prefetches.
        * config/tilepro/tilepro.c (tilepro_expand_builtin): Ditto.

2014-01-25  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/constraints.md (kl): Delete.
        * config/mips/mips.md (divmod<mode>4, udivmod<mode>4): Turn into
        define expands, using...
        (divmod<mode>4_mips16, udivmod<mode>4_mips16): ...these new
        instructions for MIPS16.
        (*divmod<mode>4, *udivmod<mode>4): New patterns, taken from the
        non-MIPS16 version of the old divmod<mode>4 and udivmod<mode>4.

2014-01-25  Walter Lee  <walt@tilera.com>

        * config/tilepro/tilepro.md (ctzdi2): Use register_operand predicate.
        (clzdi2): Ditto.
        (ffsdi2): Ditto.

2014-01-25  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (tilegx_expand_to_rtl_hook): New.
        (TARGET_EXPAND_TO_RTL_HOOK): Define.

2014-01-25  Richard Sandiford  <rdsandiford@googlemail.com>

        * rtlanal.c (canonicalize_condition): Split out duplicated mode check.
        Handle XOR.

2014-01-25  Jakub Jelinek  <jakub@redhat.com>

        * print-rtl.c (in_call_function_usage): New var.
        (print_rtx): When in CALL_INSN_FUNCTION_USAGE, always print
        EXPR_LIST mode as mode and not as reg note name.

        PR middle-end/59561
        * cfgloopmanip.c (copy_loop_info): If
        loop->warned_aggressive_loop_optimizations, make sure
        the flag is set in target loop too.

2014-01-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * builtins.c (is_builtin_name): Renamed flag_enable_cilkplus to
        flag_cilkplus.
        * builtins.def: Likewise.
        * cilk.h (fn_contains_cilk_spawn_p): Likewise.
        * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Likewise.
        * ira.c (ira_setup_eliminable_regset): Likewise.
        * omp-low.c (gate_expand_omp): Likewise.
        (execute_lower_omp): Likewise.
        (diagnose_sb_0): Likewise.
        (gate_diagnose_omp_blocks): Likewise.
        (simd_clone_clauses_extract): Likewise.
        (gate): Likewise.

2014-01-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Remove
        correction for little endian...
        * config/rs6000/vsx.md (vsx_xxpermdi2_<mode>_1): ...and move it to
        here.

2014-01-24  Jeff Law  <law@redhat.com>

        PR tree-optimization/59919
        * tree-vrp.c (find_assert_locations_1): Do not register asserts
        for non-returning calls.

2014-01-24  James Greenhalgh  <james.greenhalgh@arm.com>

        * common/config/aarch64/aarch64-common.c
        (aarch64_rewrite_mcpu): Handle multiple names.
        * config/aarch64/aarch64.h
        (BIG_LITTLE_SPEC): Do not discard mcpu switches.

2014-01-24  Dodji Seketeli  <dodji@redhat.com>

        * input.c (add_file_to_cache_tab): Handle the case where fopen
        returns NULL.

2014-01-23  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/59929
        * config/i386/i386.md (pushsf splitter): Get stack adjustment
        from push operand if code of push isn't PRE_DEC.

2014-01-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/59909
        * doc/invoke.texi (RS/6000 and PowerPC Options): Document
        -mquad-memory-atomic.  Update -mquad-memory documentation to say
        it is only used for non-atomic loads/stores.

        * config/rs6000/predicates.md (quad_int_reg_operand): Allow either
        -mquad-memory or -mquad-memory-atomic switches.

        * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Add
        -mquad-memory-atomic to ISA 2.07 support.

        * config/rs6000/rs6000.opt (-mquad-memory-atomic): Add new switch
        to separate support of normal quad word memory operations (ldq, stq)
        from the atomic quad word memory operations.

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
        support to separate non-atomic quad word operations from atomic
        quad word operations.  Disable non-atomic quad word operations in
        little endian mode so that we don't have to swap words after the
        load and before the store.
        (quad_load_store_p): Add comment about atomic quad word support.
        (rs6000_opt_masks): Add -mquad-memory-atomic to the list of
        options printed with -mdebug=reg.

        * config/rs6000/rs6000.h (TARGET_SYNC_TI): Use
        -mquad-memory-atomic as the test for whether we have quad word
        atomic instructions.
        (TARGET_SYNC_HI_QI): If either -mquad-memory-atomic, -mquad-memory,
        or -mp8-vector are used, allow byte/half-word atomic operations.

        * config/rs6000/sync.md (load_lockedti): Insure that the address
        is a proper indexed or indirect address for the lqarx instruction.
        On little endian systems, swap the hi/lo registers after the lqarx
        instruction.
        (load_lockedpti): Use indexed_or_indirect_operand predicate to
        insure the address is valid for the lqarx instruction.
        (store_conditionalti): Insure that the address is a proper indexed
        or indirect address for the stqcrx. instruction.  On little endian
        systems, swap the hi/lo registers before doing the stqcrx.
        instruction.
        (store_conditionalpti): Use indexed_or_indirect_operand predicate to
        insure the address is valid for the stqcrx. instruction.

        * gcc/config/rs6000/rs6000-c.c (rs6000_target_modify_macros):
        Define __QUAD_MEMORY__ and __QUAD_MEMORY_ATOMIC__ based on what
        type of quad memory support is available.

2014-01-23  Vladimir Makarov  <vmakarov@redhat.com>

        PR regression/59915
        * lra-constraints.c (simplify_operand_subreg): Spill pseudo if
        there is a danger of looping.

2014-01-23  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
        force flag_ira_loop_pressure if set via command line.

2014-01-23  Alex Velenko  <Alex.Velenko@arm.com>

        * config/aarch64/aarch64-simd-builtins.def (ashr): DI mode removed.
        (ashr_simd): New builtin handling DI mode.
        * config/aarch64/aarch64-simd.md (aarch64_ashr_simddi): New pattern.
        (aarch64_sshr_simddi): New match pattern.
        * config/aarch64/arm_neon.h (vshr_n_s32): Builtin call modified.
        (vshrd_n_s64): Likewise.
        * config/aarch64/predicates.md (aarch64_shift_imm64_di): New predicate.

2014-01-23  Nick Clifton  <nickc@redhat.com>

        * config/msp430/msp430.h (ASM_SPEC): Pass the -mcpu as -mcpu.
        (LIB_SPEC): Drop use of memory.ld and peripherals.ld scripts in
        favour of mcu specific scripts.
        * config/msp430/t-msp430 (MULTILIB_MATCHES): Add more matches for
        430x multilibs.

2014-01-23  James Greenhalgh  <james.greenhalgh@arm.com>
            Alex Velenko  <Alex.Velenko@arm.com>

        * config/aarch64/arm_neon.h (vaddv_s8): __LANE0 cleanup.
        (vaddv_s16): Likewise.
        (vaddv_s32): Likewise.
        (vaddv_u8): Likewise.
        (vaddv_u16): Likewise.
        (vaddv_u32): Likewise.
        (vaddvq_s8): Likewise.
        (vaddvq_s16): Likewise.
        (vaddvq_s32): Likewise.
        (vaddvq_s64): Likewise.
        (vaddvq_u8): Likewise.
        (vaddvq_u16): Likewise.
        (vaddvq_u32): Likewise.
        (vaddvq_u64): Likewise.
        (vaddv_f32): Likewise.
        (vaddvq_f32): Likewise.
        (vaddvq_f64): Likewise.
        (vmaxv_f32): Likewise.
        (vmaxv_s8): Likewise.
        (vmaxv_s16): Likewise.
        (vmaxv_s32): Likewise.
        (vmaxv_u8): Likewise.
        (vmaxv_u16): Likewise.
        (vmaxv_u32): Likewise.
        (vmaxvq_f32): Likewise.
        (vmaxvq_f64): Likewise.
        (vmaxvq_s8): Likewise.
        (vmaxvq_s16): Likewise.
        (vmaxvq_s32): Likewise.
        (vmaxvq_u8): Likewise.
        (vmaxvq_u16): Likewise.
        (vmaxvq_u32): Likewise.
        (vmaxnmv_f32): Likewise.
        (vmaxnmvq_f32): Likewise.
        (vmaxnmvq_f64): Likewise.
        (vminv_f32): Likewise.
        (vminv_s8): Likewise.
        (vminv_s16): Likewise.
        (vminv_s32): Likewise.
        (vminv_u8): Likewise.
        (vminv_u16): Likewise.
        (vminv_u32): Likewise.
        (vminvq_f32): Likewise.
        (vminvq_f64): Likewise.
        (vminvq_s8): Likewise.
        (vminvq_s16): Likewise.
        (vminvq_s32): Likewise.
        (vminvq_u8): Likewise.
        (vminvq_u16): Likewise.
        (vminvq_u32): Likewise.
        (vminnmv_f32): Likewise.
        (vminnmvq_f32): Likewise.
        (vminnmvq_f64): Likewise.

2014-01-23  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_dup_lane<mode>): Correct lane number on big-endian.
        (aarch64_dup_lane_<vswap_widthi_name><mode>): Likewise.
        (*aarch64_mul3_elt<mode>): Likewise.
        (*aarch64_mul3_elt<vswap_width_name><mode>): Likewise.
        (*aarch64_mul3_elt_to_64v2df): Likewise.
        (*aarch64_mla_elt<mode>): Likewise.
        (*aarch64_mla_elt_<vswap_width_name><mode>): Likewise.
        (*aarch64_mls_elt<mode>): Likewise.
        (*aarch64_mls_elt_<vswap_width_name><mode>): Likewise.
        (*aarch64_fma4_elt<mode>): Likewise.
        (*aarch64_fma4_elt_<vswap_width_name><mode>): Likewise.
        (*aarch64_fma4_elt_to_64v2df): Likewise.
        (*aarch64_fnma4_elt<mode>): Likewise.
        (*aarch64_fnma4_elt_<vswap_width_name><mode>): Likewise.
        (*aarch64_fnma4_elt_to_64v2df): Likewise.
        (aarch64_sq<r>dmulh_lane<mode>): Likewise.
        (aarch64_sq<r>dmulh_laneq<mode>): Likewise.
        (aarch64_sqdml<SBINQOPS:as>l_lane<mode>_internal): Likewise.
        (aarch64_sqdml<SBINQOPS:as>l_lane<mode>_internal): Likewise.
        (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Likewise.
        (aarch64_sqdmull_lane<mode>_internal): Likewise.
        (aarch64_sqdmull2_lane<mode>_internal): Likewise.

2013-01-23  Alex Velenko  <Alex.Velenko@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_be_checked_get_lane<mode>): New define_expand.
        * config/aarch64/aarch64-simd-builtins.def
        (BUILTIN_VALL (GETLANE, be_checked_get_lane, 0)):
        New builtin definition.
        * config/aarch64/arm_neon.h: (__aarch64_vget_lane_any):
        Use new safe be builtin.

2014-01-23  Alex Velenko  <Alex.Velenko@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_be_ld1<mode>):
        New define_insn.
        (aarch64_be_st1<mode>): Likewise.
        (aarch_ld1<VALL:mode>): Define_expand modified.
        (aarch_st1<VALL:mode>): Likewise.
        * config/aarch64/aarch64.md (UNSPEC_LD1): New unspec definition.
        (UNSPEC_ST1): Likewise.

2014-01-23  David Holsgrove <david.holsgrove@xilinx.com>

        * config/microblaze/microblaze.md: Add trap insn and attribute

2014-01-23  Dodji Seketeli  <dodji@redhat.com>

        PR preprocessor/58580
        * input.h (location_get_source_line): Take an additional line_size
        parameter.
        (void diagnostics_file_cache_fini): Declare new function.
        * input.c (struct fcache): New type.
        (fcache_tab_size, fcache_buffer_size, fcache_line_record_size):
        New static constants.
        (diagnostic_file_cache_init, total_lines_num)
        (lookup_file_in_cache_tab, evicted_cache_tab_entry)
        (add_file_to_cache_tab, lookup_or_add_file_to_cache_tab)
        (needs_read, needs_grow, maybe_grow, read_data, maybe_read_data)
        (get_next_line, read_next_line, goto_next_line, read_line_num):
        New static function definitions.
        (diagnostic_file_cache_fini): New function.
        (location_get_source_line): Take an additional output line_len
        parameter.  Re-write using lookup_or_add_file_to_cache_tab and
        read_line_num.
        * diagnostic.c (diagnostic_finish): Call
        diagnostic_file_cache_fini.
        (adjust_line): Take an additional input parameter for the length
        of the line, rather than calculating it with strlen.
        (diagnostic_show_locus): Adjust the use of
        location_get_source_line and adjust_line with respect to their new
        signature.  While displaying a line now, do not stop at the first
        null byte.  Rather, display the zero byte as a space and keep
        going until we reach the size of the line.
        * Makefile.in: Add vec.o to OBJS-libcommon

2014-01-23  Kirill Yukhin  <kirill.yukhin@intel.com>
            Ilya Tocar     <ilya.tocar@intel.com>

        * config/i386/avx512fintrin.h (_mm512_kmov): New.
        * config/i386/i386.c (IX86_BUILTIN_KMOV16): Ditto.
        (__builtin_ia32_kmov16): Ditto.
        * config/i386/i386.md (UNSPEC_KMOV): New.
        (kmovw): Ditto.

2014-01-23  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/avx512fintrin.h (_mm512_loadu_si512): Rename.
        (_mm512_storeu_si512): Ditto.

2014-01-23  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/52125
        * rtl.h (get_referenced_operands): Declare.
        * recog.c (get_referenced_operands): New function.
        * config/mips/mips.c (mips_reorg_process_insns): Check which asm
        operands have been referenced when recording LO_SUM references.

2014-01-22  David Holsgrove <david.holsgrove@xilinx.com>

        * config/microblaze/microblaze.md: Correct bswaphi2 insn.

2014-01-22  Jan Hubicka  <hubicka@ucw.cz>

        * config/i386/x86-tune.def (X86_TUNE_ACCUMULATE_OUTGOING_ARGS):
        Enable for generic and recent AMD targets.

2014-01-22  Jan Hubicka  <hubicka@ucw.cz>

        * combine-stack-adj.c (combine_stack_adjustments_for_block): Remove
        ARG_SIZE note when adjustment was eliminated.

2014-01-22  Jeff Law  <law@redhat.com>

        PR tree-optimization/59597
        * tree-ssa-threadupdate.c (dump_jump_thread_path): Move to earlier
        in file.  Accept new argument REGISTERING and use it to modify
        dump output appropriately.
        (register_jump_thread): Corresponding changes.
        (mark_threaded_blocks): Reinstate code to cancel unprofitable
        thread paths involving joiner blocks.  Add code to dump cancelled
        jump threading paths.

2014-01-22  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/59477
        * lra-constraints.c (inherit_in_ebb): Process call for living hard
        regs.  Update reloads_num and potential_reload_hard_regs for all insns.

2014-01-22  Tom Tromey  <tromey@redhat.com>

        * config/i386/i386-interix.h (i386_pe_unique_section): Don't use
        PARAMS.
        * config/cr16/cr16-protos.h (notice_update_cc): Don't use PARAMS.

2014-01-21  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/59896
        * lra-constraints.c (process_alt_operands): Check unused note for
        matched operands of insn with no output reloads.

2014-01-21  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_move_to_gpr_cost): Add M16_REGS case.
        (mips_move_from_gpr_cost): Likewise.

2014-01-21  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/59858
        * lra-constraints.c (SMALL_REGISTER_CLASS_P): Use
        ira_class_hard_regs_num.
        (process_alt_operands): Increase reject for dying matched operand.

2014-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/59003
        * config/i386/i386.c (expand_small_movmem_or_setmem): If mode is
        smaller than size, perform several stores or loads and stores
        at dst + count - size to store or copy all of size bytes, rather
        than just last modesize bytes.

2014-01-20  DJ Delorie  <dj@redhat.com>

        * config/rl78/rl78.c (rl78_propogate_register_origins): Verify
        that CLOBBERs are REGs before propogating their values.

2014-01-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/59789
        * cgraph.c (cgraph_inline_failed_string): Add type to DEFCIFCODE.
        (cgraph_inline_failed_type): New function.
        * cgraph.h (DEFCIFCODE): Add type.
        (cgraph_inline_failed_type_t): New enum.
        (cgraph_inline_failed_type): New prototype.
        * cif-code.def: Add CIF_FINAL_NORMAL to OK, FUNCTION_NOT_CONSIDERED,
        FUNCTION_NOT_OPTIMIZED, REDEFINED_EXTERN_INLINE,
        FUNCTION_NOT_INLINE_CANDIDATE, LARGE_FUNCTION_GROWTH_LIMIT,
        LARGE_STACK_FRAME_GROWTH_LIMIT, MAX_INLINE_INSNS_SINGLE_LIMIT,
        MAX_INLINE_INSNS_AUTO_LIMIT, INLINE_UNIT_GROWTH_LIMIT,
        RECURSIVE_INLINING, UNLIKELY_CALL, NOT_DECLARED_INLINED,
        OPTIMIZING_FOR_SIZE, ORIGINALLY_INDIRECT_CALL,
        INDIRECT_UNKNOWN_CALL, USES_COMDAT_LOCAL.
        Add CIF_FINAL_ERROR to UNSPECIFIED, BODY_NOT_AVAILABLE,
        FUNCTION_NOT_INLINABLE, OVERWRITABLE, MISMATCHED_ARGUMENTS,
        EH_PERSONALITY, NON_CALL_EXCEPTIONS, TARGET_OPTION_MISMATCH,
        OPTIMIZATION_MISMATCH.
        * tree-inline.c (expand_call_inline): Emit errors during
        early_inlining if cgraph_inline_failed_type returns CIF_FINAL_ERROR.

2014-01-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/59685
        * config/i386/sse.md (*andnot<mode>3<mask_name>): Handle MODE_V16SF
        mode attribute in insn output.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

        * output.h (output_constant): Delete.
        * varasm.c (output_constant): Make private.

2014-01-20  Alex Velenko  <Alex.Velenko@arm.com>

        * config/aarch64/aarch64-simd.md (vec_perm<mode>): Add BE check.

2014-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/59860
        * tree.h (fold_builtin_strcat): New prototype.
        * builtins.c (fold_builtin_strcat): No longer static.  Add len
        argument, if non-NULL, don't call c_strlen.  Optimize
        directly into __builtin_memcpy instead of __builtin_strcpy.
        (fold_builtin_2): Adjust fold_builtin_strcat caller.
        * gimple-fold.c (gimple_fold_builtin): Handle BUILT_IN_STRCAT.

2014-01-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false
        for SImode_address_operand operands, having only a REG argument.

2014-01-20  Marcus Shawcroft  <marcus.shawcroft@arm.com>

        * config/aarch64/aarch64-linux.h (GLIBC_DYNAMIC_LINKER): Expand
        loader name using mbig-endian.
        (LINUX_TARGET_LINK_SPEC): Pass linker -m flag.

2014-01-20  James Greenhalgh  <james.greenhalgh@arm.com>

        * doc/invoke.texi (-march): Clarify documentation for AArch64.
        (-mtune): Likewise.
        (-mcpu): Likewise.

2014-01-20  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/aarch64-protos.h
        (aarch64_cannot_change_mode_class_ptr): Declare.
        * config/aarch64/aarch64.c (aarch64_cannot_change_mode_class,
        aarch64_cannot_change_mode_class_ptr): New.
        * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Change to call
        backend hook aarch64_cannot_change_mode_class.

2014-01-20  James Greenhalgh  <james.greenhalgh@arm.com>

        * common/config/aarch64/aarch64-common.c
        (aarch64_handle_option): Don't handle any option order logic here.
        * config/aarch64/aarch64.c (aarch64_parse_arch): Do not override
        selected_cpu, warn on architecture version mismatch.
        (aarch64_override_options): Fix parsing order for option strings.

2014-01-20  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
            Iain Sandoe  <iain@codesourcery.com>

        PR bootstrap/59496
        * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Fix unused variable
        warning.  Amend comment to reflect current functionality.

2014-01-20  Richard Biener  <rguenther@suse.de>

        PR middle-end/59860
        * builtins.c (fold_builtin_strcat): Remove case better handled
        by tree-ssa-strlen.c.

2014-01-20  Alan Lawrence  <alan.lawrence@arm.com>

        * config/aarch64/aarch64.opt
        (mcpu, march, mtune): Make case-insensitive.

2014-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/59880
        * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false
        if operands[1] is a REG or ZERO_EXTEND of a REG.

2014-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * varasm.c (compute_reloc_for_constant): Use targetm.binds_local_p.

2014-01-19  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_attr_length_millicode_call): Correct length of
        long non-pic millicode calls.

2014-01-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * config/vax/vax.h (FUNCTION_ARG_REGNO_P): Fix unused variable warning.

2014-01-19  Kito Cheng  <kito@0xlab.org>

        * builtins.c (expand_movstr): Check movstr expand done or fail.

2014-01-18  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/59379
        * config/i386/i386.md (*lea<mode>): Zero-extend return register
        to DImode for zero-extended addresses.

2014-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/57763
        * bb-reorder.c (fix_crossing_unconditional_branches): Set JUMP_LABEL
        on the new indirect jump_insn and increment LABEL_NUSES (label).

2014-01-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/59580
        PR bootstrap/59583
        * config.gcc (x86_archs): New variable.
        (x86_64_archs): Likewise.
        (x86_cpus): Likewise.
        Use $x86_archs, $x86_64_archs and $x86_cpus to check valid
        --with-arch/--with-cpu= options.
        Support --with-arch=/--with-cpu={nehalem,westmere,
        sandybridge,ivybridge,haswell,broadwell,bonnell,silvermont}.

2014-01-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_adjust_cost): Reorder PROCESSOR_K8
        and PROCESSOR_ATHLON to simplify code.  Move "memory" calculation.

2014-01-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*swap<mode>): Rename from swap<mode>.

2014-01-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/58944
        * config/i386/i386-c.c (ix86_pragma_target_parse): Temporarily
        clear cpp_get_options (parse_in)->warn_unused_macros for
        ix86_target_macros_internal with cpp_define.

2014-01-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * jump.c (delete_related_insns): Keep (use (insn))s.
        * reorg.c (redundant_insn): Check for barriers too.

2014-01-17  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_split_lea_for_addr): Fix a comment typo.

2014-01-17  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_attr_length_indirect_call): Don't output a short
        call to $$dyncall when TARGET_LONG_CALLS is true.

2014-01-17  Jeff Law  <law@redhat.com>

        * ree.c (combine_set_extension): Temporarily disable test for
        changing number of hard registers.

2014-01-17  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/58125
        * ipa-inline-analysis.c (inline_free_summary):
        Do not free summary of aliases.

2014-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/59706
        * gimplify.c (gimplify_expr): Use create_tmp_var
        instead of create_tmp_var_raw.  If cond doesn't have
        integral type, don't add the IFN_ANNOTATE builtin at all.

2014-01-17  Martin Jambor  <mjambor@suse.cz>

        PR ipa/59736
        * ipa-cp.c (prev_edge_clone): New variable.
        (grow_next_edge_clone_vector): Renamed to grow_edge_clone_vectors.
        Also resize prev_edge_clone vector.
        (ipcp_edge_duplication_hook): Also update prev_edge_clone.
        (ipcp_edge_removal_hook): New function.
        (ipcp_driver): Register ipcp_edge_removal_hook.

2014-01-17  Andrew Pinski <apinski@cavium.com>
            Steve Ellcey  <sellcey@mips.com>

        PR target/59462
        * config/mips/mips.c (mips_print_operand): Check operand mode instead
        of operator mode.

2014-01-17  Jeff Law  <law@redhat.com>

        PR middle-end/57904
        * passes.def: Reorder pass_copy_prop, pass_unrolli, pass_ccp sequence
        so that pass_ccp runs first.

2014-01-17  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_lea_outperforms): Use TARGET_XXX.
        (ix86_adjust_cost): Use !TARGET_XXX.
        (do_reorder_for_imul): Likewise.
        (swap_top_of_ready_list): Likewise.
        (ix86_sched_reorder): Likewise.

2014-01-17  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-c.c (ix86_target_macros_internal): Handle
        PROCESSOR_INTEL.  Treat like PROCESSOR_GENERIC.
        * config/i386/i386.c (intel_memcpy): New.  Duplicate slm_memcpy.
        (intel_memset): New.  Duplicate slm_memset.
        (intel_cost): New.  Duplicate slm_cost.
        (m_INTEL): New macro.
        (processor_target_table): Add "intel".
        (ix86_option_override_internal): Replace PROCESSOR_SILVERMONT
        with PROCESSOR_INTEL for "intel".
        (ix86_lea_outperforms): Support PROCESSOR_INTEL.  Duplicate
        PROCESSOR_SILVERMONT.
        (ix86_issue_rate): Likewise.
        (ix86_adjust_cost): Likewise.
        (ia32_multipass_dfa_lookahead): Likewise.
        (swap_top_of_ready_list): Likewise.
        (ix86_sched_reorder): Likewise.
        (ix86_avoid_lea_for_addr): Check TARGET_AVOID_LEA_FOR_ADDR
        instead of TARGET_OPT_AGU.
        * config/i386/i386.h (TARGET_INTEL): New.
        (TARGET_AVOID_LEA_FOR_ADDR): Likewise.
        (processor_type): Add PROCESSOR_INTEL.
        * config/i386/x86-tune.def: Support m_INTEL. Duplicate m_SILVERMONT.
        Add X86_TUNE_AVOID_LEA_FOR_ADDR.

2014-01-17  Marek Polacek  <polacek@redhat.com>

        PR c/58346
        * gimple-fold.c (fold_array_ctor_reference): Don't fold if element
        size is zero.

2014-01-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/46590
        * opts.c (default_options_table): Add entries for
        OPT_fbranch_count_reg, OPT_fmove_loop_invariants and OPT_ftree_pta,
        all enabled at -O1 but not for -Og.
        * common.opt (fbranch-count-reg): Remove Init(1).
        (fmove-loop-invariants): Likewise.
        (ftree-pta): Likewise.

2014-01-17  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_data_alignment): For compatibility with
        (incorrect) GCC 4.8 and earlier alignment assumptions ensure we align
        decls to at least the GCC 4.8 used alignments.

        PR fortran/59440
        * tree-nested.c (convert_nonlocal_reference_stmt,
        convert_local_reference_stmt): For NAMELIST_DECLs in gimple_bind_vars
        of GIMPLE_BIND stmts, adjust associated decls.

2014-01-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/46590
        * vec.h (vec<>::bseach): New member function implementing
        binary search according to C89 bsearch.
        (vec<>::qsort): Avoid calling ::qsort for vectors with sizes 0 or 1.
        * tree-ssa-loop-im.c (struct mem_ref): Make stored member a
        bitmap pointer again.  Make accesses_in_loop a flat array.
        (mem_ref_obstack): New global.
        (outermost_indep_loop): Adjust for mem_ref->stored changes.
        (mark_ref_stored): Likewise.
        (ref_indep_loop_p_2): Likewise.
        (set_ref_stored_in_loop): New helper function.
        (mem_ref_alloc): Allocate mem_refs on the mem_ref_obstack obstack.
        (memref_free): Adjust.
        (record_mem_ref_loc): Simplify.
        (gather_mem_refs_stmt): Adjust.
        (sort_locs_in_loop_postorder_cmp): New function.
        (analyze_memory_references): Sort accesses_in_loop after
        loop postorder number.
        (find_ref_loc_in_loop_cmp): New function.
        (for_all_locs_in_loop): Find relevant cluster of locs in
        accesses_in_loop and iterate without recursion.
        (execute_sm): Avoid uninit warning.
        (struct ref_always_accessed): Simplify.
        (ref_always_accessed::operator ()): Likewise.
        (ref_always_accessed_p): Likewise.
        (tree_ssa_lim_initialize): Initialize mem_ref_obstack, compute
        loop postorder numbers here.
        (tree_ssa_lim_finalize): Free mem_ref_obstack and loop postorder
        numbers.

2014-01-17  Jan Hubicka  <hubicka@ucw.cz>

        PR c++/57945
        * passes.c (rest_of_decl_compilation): Don't call varpool_finalize_decl
        on decls for which assemble_alias has been called.

2014-01-17  Nick Clifton  <nickc@redhat.com>

        * config/msp430/msp430.opt: (mcpu): New option.
        * config/msp430/msp430.c (msp430_mcu_name): Use target_mcu.
        (msp430_option_override): Parse target_cpu.  If the MCU name
        matches a generic string, clear target_mcu.
        (msp430_attr): Allow numeric interrupt values up to 63.
        (msp430_expand_epilogue): No longer invert operand 1 of gen_popm.
        * config/msp430/msp430.h (ASM_SPEC): Convert -mcpu into a -mmcu
        option.
        * config/msp430/t-msp430: (MULTILIB_MATCHES): Remove mcu matches.
        Add mcpu matches.
        * config/msp430/msp430.md (popm): Use %J rather than %I.
        (addsi3): Use msp430_nonimmediate_operand for operand 2.
        (addhi_cy_i): Use immediate_operand for operand 2.
        * doc/invoke.texi: Document -mcpu option.

2014-01-17  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/38518
        * df.h (df_analyze_loop): Declare.
        * df-core.c: Include cfgloop.h.
        (df_analyze_1): Split out main part of df_analyze.
        (df_analyze): Adjust.
        (loop_inverted_post_order_compute): New function.
        (loop_post_order_compute): Likewise.
        (df_analyze_loop): New function avoiding whole-function
        postorder computes.
        * loop-invariant.c (find_defs): Use df_analyze_loop.
        (find_invariants): Adjust.
        * loop-iv.c (iv_analysis_loop_init): Use df_analyze_loop.

2014-01-17  Zhenqiang Chen  <zhenqiang.chen@arm.com>

        * config/arm/arm.c (arm_v7m_tune): Set max_insns_skipped to 2.
        (thumb2_final_prescan_insn): Set max to MAX_INSN_PER_IT_BLOCK.

2014-01-16  Ilya Enkovich  <ilya.enkovich@intel.com>

        * ipa-ref.c (ipa_remove_stmt_references): Fix references
        traversal when removing references.

2014-01-16  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/59775
        * tree.c (get_binfo_at_offset): Look harder for virtual bases.

2014-01-16  Bernd Schmidt  <bernds@codesourcery.com>

        PR middle-end/56791
        * reload.c (find_reloads_address_1): Do not use RELOAD_OTHER when
        pushing a reload for an autoinc when we had previously reloaded an
        inner part of the address.

2014-01-16  Jakub Jelinek  <jakub@redhat.com>

        * tree-vectorizer.h (struct _loop_vec_info): Add no_data_dependencies
        field.
        (LOOP_VINFO_NO_DATA_DEPENDENCIES): Define.
        * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Clear it
        when not giving up or versioning for alias only because of
        loop->safelen.
        (vect_analyze_data_ref_dependences): Set to true.
        * tree-vect-stmts.c (hoist_defs_of_uses): Return false if def_stmt
        is a GIMPLE_PHI.
        (vectorizable_load): Use LOOP_VINFO_NO_DATA_DEPENDENCIES instead of
        LOOP_REQUIRES_VERSIONING_FOR_ALIAS, add && !nested_in_vect_loop
        to the condition.

        PR middle-end/58344
        * expr.c (expand_expr_real_1): Handle init == NULL_TREE.

        PR target/59839
        * config/i386/i386.c (ix86_expand_builtin): If target doesn't satisfy
        operand 0 predicate for gathers, use a new pseudo as subtarget.

2014-01-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/59609
        * lra-constraints.c (process_alt_operands): Add printing debug info.
        Check absence of input/output reloads for matched operands too.

2014-01-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/59835
        * ira.c (ira_init_register_move_cost): Increase cost for
        impossible modes.

2014-01-16  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/arm.opt (mcpu, march, mtune): Make case-insensitive.

2014-01-16  Richard Earnshaw  <rearnsha@arm.com>

        PR target/59780
        * aarch64.c (aarch64_split_128bit_move): Don't lookup REGNO on
        non-register objects.  Use gen_(high/low)part more consistently.
        Fix assertions.

2014-01-16  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/59844
        * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Add little
        endian support, remove tests for WORDS_BIG_ENDIAN.
        (p8_mfvsrd_3_<mode>): Likewise.
        (reload_gpr_from_vsx<mode>): Likewise.
        (reload_gpr_from_vsxsf): Likewise.
        (p8_mfvsrd_4_disf): Likewise.

2014-01-16  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/46590
        * lcm.c (compute_antinout_edge): Use postorder iteration.
        (compute_laterin): Use inverted postorder iteration.

2014-01-16  Nick Clifton  <nickc@redhat.com>

        PR middle-end/28865
        * varasm.c (output_constant): Return the number of bytes actually
        emitted.
        (output_constructor_array_range): Update the field size with the
        number of bytes emitted by output_constant.
        (output_constructor_regular_field): Likewise.  Also do not
        complain if the total number of bytes emitted is now greater
        than the expected fieldpos.
        * output.h (output_constant): Update prototype and descriptive comment.

2014-01-16  Marek Polacek  <polacek@redhat.com>

        PR middle-end/59827
        * cgraph.c (gimple_check_call_args): Don't use DECL_ARG_TYPE if
        it is error_mark_node.

2014-01-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_hard_regno_mode_ok): Use
        VALID_AVX256_REG_OR_OI_MODE.

2014-01-15  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_output_function_prologue): Check if
        current procedure should be profiled.

2014-01-15  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64.c (aarch64_register_move_cost): Correct cost
        of moving from/to the STACK_REG register class.

2014-01-15  Richard Henderson  <rth@redhat.com>

        PR debug/54694
        * reginfo.c (global_regs_decl): Globalize.
        * rtl.h (global_regs_decl): Declare.
        * ira.c (do_reload): Diagnose frame_pointer_needed and it
        reserved via global_regs.

2014-01-15  Teresa Johnson  <tejohnson@google.com>

        * tree-ssa-sccvn.c (visit_reference_op_call): Handle NULL vdef.

2014-01-15  Bill Schmidt  <wschmidt@vnet.linux.ibm.com>

        * config/rs6000/altivec.md (mulv8hi3): Explicitly generate vmulesh
        and vmulosh rather than call gen_vec_widen_smult_*.
        (vec_widen_umult_even_v16qi): Test VECTOR_ELT_ORDER_BIG rather
        than BYTES_BIG_ENDIAN to determine use of even or odd instruction.
        (vec_widen_smult_even_v16qi): Likewise.
        (vec_widen_umult_even_v8hi): Likewise.
        (vec_widen_smult_even_v8hi): Likewise.
        (vec_widen_umult_odd_v16qi): Likewise.
        (vec_widen_smult_odd_v16qi): Likewise.
        (vec_widen_umult_odd_v8hi): Likewise.
        (vec_widen_smult_odd_v8hi): Likewise.
        (vec_widen_umult_hi_v16qi): Explicitly generate vmuleub and
        vmuloub rather than call gen_vec_widen_umult_*.
        (vec_widen_umult_lo_v16qi): Likewise.
        (vec_widen_smult_hi_v16qi): Explicitly generate vmulesb and
        vmulosb rather than call gen_vec_widen_smult_*.
        (vec_widen_smult_lo_v16qi): Likewise.
        (vec_widen_umult_hi_v8hi): Explicitly generate vmuleuh and vmulouh
        rather than call gen_vec_widen_umult_*.
        (vec_widen_umult_lo_v8hi): Likewise.
        (vec_widen_smult_hi_v8hi): Explicitly gnerate vmulesh and vmulosh
        rather than call gen_vec_widen_smult_*.
        (vec_widen_smult_lo_v8hi): Likewise.

2014-01-15  Jeff Law  <law@redhat.com>

        PR tree-optimization/59747
        * ree.c (find_and_remove_re): Properly handle case where a second
        eliminated extension requires widening a copy created for elimination
        of a prior extension.
        (combine_set_extension): Ensure that the number of hard regs needed
        for a destination register does not change when we widen it.

2014-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config.gcc (*-*-rtems*): Add t-rtems to tmake_file.
        (arm*-*-uclinux*eabi*): Do not override an existing tmake_file.
        (arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtems*): Likwise.
        (arm*-*-rtems*): Use t-rtems from existing tmake_file.
        (avr-*-rtems*): Likewise.
        (bfin*-rtems*): Likewise.
        (moxie-*-rtems*): Likewise.
        (h8300-*-rtems*): Likewise.
        (i[34567]86-*-rtems*): Likewise.
        (lm32-*-rtems*): Likewise.
        (m32r-*-rtems*): Likewise.
        (m68k-*-rtems*): Likewise.
        (microblaze*-*-rtems*): Likewise.
        (mips*-*-rtems*): Likewise.
        (powerpc-*-rtems*): Likewise.
        (sh-*-rtems*): Likewise.
        (sparc-*-rtems*): Likewise.
        (sparc64-*-rtems*): Likewise.
        (v850-*-rtems*): Likewise.
        (m32c-*-rtems*): Likewise.

2014-01-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/59511
        * ira.c (ira_init_register_move_cost): Use memory costs for some
        cases of register move cost calculations.
        * lra-constraints.c (lra_constraints): Use REG_FREQ_FROM_BB
        instead of BB frequency.
        * lra-coalesce.c (move_freq_compare_func, lra_coalesce): Ditto.
        * lra-assigns.c (find_hard_regno_for): Ditto.

2014-01-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59822
        * tree-vect-stmts.c (hoist_defs_of_uses): New function.
        (vectorizable_load): Use it to hoist defs of uses of invariant
        loads out of the loop.

2014-01-15  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>
            Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR target/59695
        * config/aarch64/aarch64.c (aarch64_build_constant): Fix incorrect
        truncation.

2014-01-15  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/59802
        * lcm.c (compute_available): Use inverted postorder to seed
        the initial worklist.

2014-01-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR target/59803
        * config/s390/s390.c (s390_preferred_reload_class): Don't return
        ADDR_REGS for invalid symrefs in non-PIC code.

2014-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR other/58712
        * builtins.c (determine_block_size): Initialize *probable_max_size
        even if len_rtx is CONST_INT.

2014-01-14  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64-protos.h (tune_params): Add issue_rate.
        * config/aarch64/aarch64.c (generic_tunings): Add issue rate of 2.
        (cortexa53_tunings): Likewise.
        (aarch64_sched_issue_rate): New function.
        (TARGET_SCHED_ISSUE_RATE): Define.

2014-01-14  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-costs.c (find_costs_and_classes): Add missed
        ira_init_register_move_cost_if_necessary.

2014-01-14  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/59787
        * config/arm/arm.c (arm_coproc_mem_operand): Add lra_in_progress.

2014-01-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/59794
        * config/i386/i386.c (type_natural_mode): Add a bool parameter
        to indicate if type is used for function return value.  Warn ABI
        change if the vector mode isn't available for function return value.
        (ix86_function_arg_advance): Pass false to type_natural_mode.
        (ix86_function_arg): Likewise.
        (ix86_gimplify_va_arg): Likewise.
        (function_arg_32): Don't warn ABI change.
        (ix86_function_value): Pass true to type_natural_mode.
        (ix86_return_in_memory): Likewise.
        (ix86_struct_value_rtx): Removed.
        (TARGET_STRUCT_VALUE_RTX): Likewise.

2014-01-14  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

        * jump.c (redirect_jump_2): Remove REG_CROSSING_JUMP notes when
        converting a conditional jump into a conditional return.

2014-01-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/58921
        PR tree-optimization/59006
        * tree-vect-loop-manip.c (vect_loop_versioning): Remove code
        hoisting invariant stmts.
        * tree-vect-stmts.c (vectorizable_load): Insert the splat of
        invariant loads on the preheader edge if possible.

2014-01-14  Joey Ye  <joey.ye@arm.com>

        * doc/plugin.texi (Building GCC plugins): Update to C++.

2014-01-14  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/avx512erintrin.h (_mm_rcp28_round_sd): New.
        (_mm_rcp28_round_ss): Ditto.
        (_mm_rsqrt28_round_sd): Ditto.
        (_mm_rsqrt28_round_ss): Ditto.
        (_mm_rcp28_sd): Ditto.
        (_mm_rcp28_ss): Ditto.
        (_mm_rsqrt28_sd): Ditto.
        (_mm_rsqrt28_ss): Ditto.
        * config/i386/avx512fintrin.h (_mm512_stream_load_si512): Ditto.
        * config/i386/i386-builtin-types.def (V8DI_FTYPE_PV8DI): Ditto.
        * config/i386/i386.c (IX86_BUILTIN_MOVNTDQA512): Ditto.
        (IX86_BUILTIN_RCP28SD): Ditto.
        (IX86_BUILTIN_RCP28SS): Ditto.
        (IX86_BUILTIN_RSQRT28SD): Ditto.
        (IX86_BUILTIN_RSQRT28SS): Ditto.
        (bdesc_special_args): Define __builtin_ia32_movntdqa512,
        __builtin_ia32_rcp28sd_round, __builtin_ia32_rcp28ss_round,
        __builtin_ia32_rsqrt28sd_round, __builtin_ia32_rsqrt28ss_round.
        (ix86_expand_special_args_builtin): Expand new FTYPE.
        * config/i386/sse.md (define_mode_attr "sse4_1_avx2"): Expand to V8DI.
        (srcp14<mode>): Make insn unary.
        (avx512f_vmscalef<mode><round_name>): Use substed predicate.
        (avx512f_sgetexp<mode><round_saeonly_name>): Ditto.
        (avx512f_rndscale<mode><round_saeonly_name>): Ditto.
        (<sse4_1_avx2>_movntdqa): Extend to 512 bits.
        (avx512er_exp2<mode><mask_name><round_saeonly_name>):
        Fix rounding: make it SAE only.
        (<mask_codefor>avx512er_rcp28<mode><mask_name><round_saeonly_name>):
        Ditto.
        (<mask_codefor>avx512er_rsqrt28<mode><mask_name><round_saeonly_name>):
        Ditto.
        (avx512er_vmrcp28<mode><round_saeonly_name>): Ditto.
        (avx512er_vmrsqrt28<mode><round_saeonly_name>): Ditto.
        (avx512f_getmant<mode><mask_name><round_saeonly_name>): Ditto.
        * config/i386/subst.md (round_saeonly_mask_scalar_operand3): Remove.
        (round_saeonly_mask_scalar_operand4): Ditto.
        (round_saeonly_mask_scalar_op3): Ditto.
        (round_saeonly_mask_scalar_op4): Ditto.

2014-01-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Implement -maltivec=be for vec_insert and vec_extract.

2014-01-10  DJ Delorie  <dj@redhat.com>

        * config/msp430/msp430.md (call_internal): Don't allow memory
        references with SP as the base register.
        (call_value_internal): Likewise.
        * config/msp430/constraints.md (Yc): New.  For memory references
        that don't use SP as a base register.

        * config/msp430/msp430.c (msp430_print_operand): Add 'J' to mean
        "an integer without a # prefix"
        * config/msp430/msp430.md (epilogue_helper): Use it.

2014-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/59617
        * config/i386/i386.c (ix86_vectorize_builtin_gather): Uncomment
        AVX512F gather builtins.
        * tree-vect-stmts.c (vectorizable_mask_load_store): For now punt
        on gather decls with INTEGER_TYPE masktype.
        (vectorizable_load): For INTEGER_TYPE masktype, put the INTEGER_CST
        directly into the builtin rather than hoisting it before loop.

        PR tree-optimization/59387
        * tree-scalar-evolution.c: Include gimple-fold.h and gimplify-me.h.
        (scev_const_prop): If folded_casts and type has undefined overflow,
        use force_gimple_operand instead of force_gimple_operand_gsi and
        for each added stmt if it is assign with
        arith_code_with_undefined_signed_overflow, call
        rewrite_to_defined_overflow.
        * tree-ssa-loop-im.c: Don't include gimplify-me.h, include
        gimple-fold.h instead.
        (arith_code_with_undefined_signed_overflow,
        rewrite_to_defined_overflow): Moved to ...
        * gimple-fold.c (arith_code_with_undefined_signed_overflow,
        rewrite_to_defined_overflow): ... here.  No longer static.
        Include gimplify-me.h.
        * gimple-fold.h (arith_code_with_undefined_signed_overflow,
        rewrite_to_defined_overflow): New prototypes.

2014-01-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.h (MAX_CONDITIONAL_EXECUTE): Fix typo in description.

2014-01-13  Eric Botcazou  <ebotcazou@adacore.com>

        * builtins.c (get_object_alignment_2): Minor tweak.
        * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Rewrite.

2014-01-13  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh-mem.cc (sh_expand_cmpnstr): Unroll small sizes and
        optimized non constant lengths.

2014-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR libgomp/59194
        * omp-low.c (expand_omp_atomic_pipeline): Expand the initial
        load as __atomic_load_N if possible.

2014-01-11  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_expand_mtfsf_builtin): Remove
        target parameter.
        (rs6000_expand_builtin): Adjust call.

2014-01-11  David Edelsohn  <dje.gcc@gmail.com>

        PR target/58115
        * config/rs6000/rs6000.h (SWITCHABLE_TARGET): Define.
        * config/rs6000/rs6000.c: Include target-globals.h.
        (rs6000_set_current_function): Instead of doing target_reinit
        unconditionally, use save_target_globals_default_opts and
        restore_target_globals.

        * config/rs6000/rs6000-builtin.def (mffs, mtfsf): Add builtins for
        FPSCR.
        * config/rs6000/rs6000.c (rs6000_expand_mtfsf_builtin): New.
        (rs6000_expand_builtin): Handle mffs and mtfsf.
        (rs6000_init_builtins): Define mffs and mtfsf.
        * config/rs6000/rs6000.md (UNSPECV_MFFS, UNSPECV_MTFSF): New constants.
        (rs6000_mffs): New pattern.
        (rs6000_mtfsf): New pattern.

2014-01-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (iv_ca_narrow): New parameter.
        Start narrowing with START.  Apply candidate-use pair
        and check overall cost in narrowing.
        (iv_ca_prune): Pass new argument.

2014-01-10  Jeff Law  <law@redhat.com>

        PR middle-end/59743
        * ree.c (combine_reaching_defs): Ensure the defining statement
        occurs before the extension when optimizing extensions with
        different source and destination hard registers.

2014-01-10  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/58585
        * ipa-devirt.c (build_type_inheritance_graph): Also add types of
        vtables into the type inheritance graph.

2014-01-10  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/59754
        * ree.c (combine_reaching_defs): Disallow !SCALAR_INT_MODE_P
        modes in the REGNO != REGNO case.

2014-01-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def: Fix pasto for VPKSDUS.

2014-01-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/59745
        * tree-predcom.c (tree_predictive_commoning_loop): Call
        free_affine_expand_cache if giving up because components is NULL.

        * target-globals.c (save_target_globals): Allocate < 4KB structs using
        GC in payload of target_globals struct instead of allocating them on
        the heap and the larger structs separately using GC.
        * target-globals.h (struct target_globals): Make regs, hard_regs,
        reload, expmed, ira, ira_int and lra_fields GTY((atomic)) instead
        of GTY((skip)) and change type to void *.
        (reset_target_globals): Cast loads from those fields to corresponding
        types.

2014-01-10  Steve Ellcey  <sellcey@mips.com>

        PR plugins/59335
        * Makefile.in (PLUGIN_HEADERS): Add gimplify.h, gimple-iterator.h,
        gimple-ssa.h, fold-const.h, tree-cfg.h, tree-into-ssa.h,
        tree-ssanames.h, print-tree.h, varasm.h, and context.h.

2014-01-10  Richard Earnshaw  <rearnsha@arm.com>

        PR target/59744
        * aarch64-modes.def (CC_Zmode): New flags mode.
        * aarch64.c (aarch64_select_cc_mode): Only allow NEG when the condition
        represents an equality.
        (aarch64_get_condition_code): Handle CC_Zmode.
        * aarch64.md (compare_neg<mode>): Restrict to equality operations.

2014-01-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_expand_tbegin): Remove jump over CC
        extraction in good case.

2014-01-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59374
        * tree-vect-slp.c (vect_slp_analyze_bb_1): Move dependence
        checking after SLP discovery.  Mark stmts not participating
        in any SLP instance properly.

2014-01-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_new_rtx_costs): Use destination mode
        when handling a SET rtx.

2014-01-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm-cores.def (cortex-a53): Specify FL_CRC32.
        (cortex-a57): Likewise.
        (cortex-a57.cortex-a53): Likewise. Remove redundant flags.

2014-01-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_init_iwmmxt_builtins): Skip
        non-iwmmxt builtins.

2014-01-10  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/58252
        PR ipa/59226
        * ipa-devirt.c record_target_from_binfo): Take as argument
        stack of binfos and lookup matching one for virtual inheritance.
        (possible_polymorphic_call_targets_1): Update.

2014-01-10  Huacai Chen  <chenhc@lemote.com>

        * config/mips/driver-native.c (host_detect_local_cpu): Handle new
        kernel strings for Loongson-2E/2F/3A.

2014-01-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/59670
        * tree-vect-data-refs.c (vect_analyze_data_refs): Check
        is_gimple_call before calling gimple_call_internal_p.

2014-01-09  Steve Ellcey  <sellcey@mips.com>

        * Makefile.in (TREE_FLOW_H): Remove.
        (TREE_SSA_H): Add file names from tree-flow.h.
        * doc/tree-ssa.texi (Annotations): Remove reference to tree-flow.h
        * tree.h: Remove tree-flow.h reference.
        * hash-table.h: Remove tree-flow.h reference.
        * tree-ssa-loop-niter.c (dump_affine_iv): Replace tree-flow.h
        reference with tree-ssa-loop.h.

2014-01-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * doc/invoke.texi: Add -maltivec={be,le} options, and document
        default element-order behavior for -maltivec.
        * config/rs6000/rs6000.opt: Add -maltivec={be,le} options.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Ensure
        that -maltivec={le,be} implies -maltivec; disallow -maltivec=le
        when targeting big endian, at least for now.
        * config/rs6000/rs6000.h: Add #define of VECTOR_ELT_ORDER_BIG.

2014-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47735
        * cfgexpand.c (expand_one_var): For SSA_NAMEs, if the underlying
        var satisfies use_register_for_decl, just take into account type
        alignment, rather than decl alignment.

        PR tree-optimization/59622
        * gimple-fold.c (gimple_fold_call): Fix a typo in message.  For
        __builtin_unreachable replace the OBJ_TYPE_REF call with a call to
        __builtin_unreachable and add if needed a setter of the lhs SSA_NAME.
        Don't devirtualize for inplace at all.  For targets.length () == 1,
        if the call is noreturn and cfun isn't in SSA form yet, clear lhs.

2014-01-09  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (cpu): Remove the unused btver1.

2014-01-09  H.J. Lu  <hongjiu.lu@intel.com>

        * gdbasan.in: Put a breakpoint on __sanitizer::Report.

2014-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/58115
        * tree-core.h (struct target_globals): New forward declaration.
        (struct tree_target_option): Add globals field.
        * tree.h (TREE_TARGET_GLOBALS): Define.
        (prepare_target_option_nodes_for_pch): New prototype.
        * target-globals.h (struct target_globals): Define even if
        !SWITCHABLE_TARGET.
        * tree.c (prepare_target_option_node_for_pch,
        prepare_target_option_nodes_for_pch): New functions.
        * config/i386/i386.h (SWITCHABLE_TARGET): Define.
        * config/i386/i386.c: Include target-globals.h.
        (ix86_set_current_function): Instead of doing target_reinit
        unconditionally, use save_target_globals_default_opts and
        restore_target_globals.

2014-01-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59715
        * tree-cfg.h (split_critical_edges): Declare.
        * tree-cfg.c (split_critical_edges): Export.
        * tree-ssa-sink.c (execute_sink_code): Split critical edges.

2014-01-09  Max Ostapenko  <m.ostapenko@partner.samsung.com>

        * cfgexpand.c (expand_stack_vars): Optionally disable
        asan stack protection.
        (expand_used_vars): Likewise.
        (partition_stack_vars): Likewise.
        * asan.c (asan_emit_stack_protection): Optionally disable
        after return stack usage.
        (instrument_derefs): Optionally disable memory access instrumentation.
        (instrument_builtin_call): Likewise.
        (instrument_strlen_call): Likewise.
        (asan_protect_global): Optionally disable global variables protection.
        * doc/invoke.texi: Added doc for new options.
        * params.def: Added new options.
        * params.h: Likewise.

2014-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/59724
        * ifcvt.c (cond_exec_process_if_block): Don't call
        flow_find_head_matching_sequence with 0 longest_match.
        * cfgcleanup.c (flow_find_head_matching_sequence): Count even
        non-active insns if !stop_after.
        (try_head_merge_bb): Revert 2014-01-07 changes.

2014-01-08  Jeff Law  <law@redhat.com>

        * ree.c (get_sub_rtx): New function, extracted from...
        (merge_def_and_ext): Here.
        (combine_reaching_defs): Use get_sub_rtx.

2014-01-08  Eric Botcazou  <ebotcazou@adacore.com>

        * cgraph.h (varpool_variable_node): Do not choke on null node.

2014-01-08  Catherine Moore  <clm@codesourcery.com>

        * config/mips/mips.md (simple_return): Attempt to use JRC
        for microMIPS.
        * config/mips/mips.h (MIPS_CALL): Attempt to use JALS for microMIPS.

2014-01-08  Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/59137
        * reorg.c (steal_delay_list_from_target): Call update_block for
        elided insns.
        (steal_delay_list_from_fallthrough, relax_delay_slots): Likewise.

2014-01-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
        two duplicate entries.

2014-01-08  Richard Sandiford  <rdsandiford@googlemail.com>

        Revert:
        2012-10-07  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_truncated_op_cost): New function.
        (mips_rtx_costs): Adjust test for BADDU.
        * config/mips/mips.md (*baddu_di<mode>): Push truncates to operands.

        2012-10-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.md (*baddu_si_eb, *baddu_si_el): Merge into...
        (*baddu_si): ...this new pattern.

2014-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/59722
        * ipa-prop.c (ipa_analyze_params_uses): Ignore uses in debug stmts.

2014-01-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR middle-end/57748
        * expr.h (expand_expr_real, expand_expr_real_1): Add new parameter
        inner_reference_p.
        (expand_expr, expand_normal): Adjust.
        * expr.c (expand_expr_real, expand_expr_real_1): Add new parameter
        inner_reference_p. Use inner_reference_p to expand inner references.
        (store_expr): Adjust.
        * cfgexpand.c (expand_call_stmt): Adjust.

2014-01-08  Rong Xu  <xur@google.com>

        * gcov-io.c (gcov_var): Move from gcov-io.h.
        (gcov_position): Ditto.
        (gcov_is_error): Ditto.
        (gcov_rewrite): Ditto.
        * gcov-io.h: Refactor. Move gcov_var to gcov-io.h, and libgcov
        only part to libgcc/libgcov.h.

2014-01-08  Marek Polacek  <polacek@redhat.com>

        PR middle-end/59669
        * omp-low.c (simd_clone_adjust): Don't crash if def is NULL.

2014-01-08  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/59667
        * ubsan.c (ubsan_type_descriptor): Call strip_array_types on type2.

2014-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/59649
        * stor-layout.c (get_mode_bounds): For BImode return
        0 and STORE_FLAG_VALUE.

2014-01-08  Richard Biener  <rguenther@suse.de>

        PR middle-end/59630
        * gimple.h (is_gimple_builtin_call): Remove.
        (gimple_builtin_call_types_compatible_p): New.
        (gimple_call_builtin_p): New overload.
        * gimple.c (is_gimple_builtin_call): Remove.
        (validate_call): Rename to ...
        (gimple_builtin_call_types_compatible_p): ... this and export.  Also
        check return types.
        (validate_type): New static function.
        (gimple_call_builtin_p): New overload and adjust.
        * gimple-fold.c (gimple_fold_builtin): Fold the return value.
        (gimple_fold_call): Likewise.  Use gimple_call_builtin_p.
        (gimple_fold_stmt_to_constant_1): Likewise.
        * tsan.c (instrument_gimple): Use gimple_call_builtin_p.

2014-01-08  Richard Biener  <rguenther@suse.de>

        PR middle-end/59471
        * gimplify.c (gimplify_expr): Gimplify register-register type
        VIEW_CONVERT_EXPRs to separate stmts.

2014-01-07  Jeff Law  <law@redhat.com>

        PR middle-end/53623
        * ree.c (combine_set_extension): Handle case where source
        and destination registers in an extension insn are different.
        (combine_reaching_defs): Allow source and destination registers
        in extension to be different under limited circumstances.
        (add_removable_extension): Remove restriction that the
        source and destination registers in the extension are the same.
        (find_and_remove_re): Emit a copy from the extension's
        destination to its source after the defining insn if
        the source and destination registers are different.

        PR middle-end/59285
        * ifcvt.c (merge_if_block): If we are merging a block with more than
        one successor with a block with no successors, remove any BARRIER
        after the second block.

2014-01-07  Dan Xio Qiang <ziyan01@163.com>

        * hw-doloop.c (reorg_loops): Release the bitmap obstack.

2014-01-07  John David Anglin  <danglin@gcc.gnu.org>

        PR target/59652
        * config/pa/pa.c (pa_legitimate_address_p): Return false before reload
        for 14-bit register offsets when INT14_OK_STRICT is false.

2014-01-07  Roland Stigge  <stigge@antcom.de>
            Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR 57386/target
        * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
        Only check TFmode for SPE constants.  Don't check TImode or TDmode.

2014-01-07  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-elf.h (ASM_SPEC): Remove identity spec for
        -mcpu.

2014-01-07  Yufeng Zhang  <yufeng.zhang@arm.com>

        * config/arm/arm.c (arm_expand_neon_args): Call expand_expr
        with EXPAND_MEMORY for NEON_ARG_MEMORY; check if the returned
        rtx is const0_rtx or not.

2014-01-07  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/58115
        * target-globals.c (save_target_globals): Remove this_fn_optab
        handling.
        * toplev.c: Include optabs.h.
        (target_reinit): Temporarily restore the global options if another
        set of options are in force.

2014-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/58668
        * cfgcleanup.c (flow_find_cross_jump): Don't count
        any jumps if dir_p is NULL.  Remove p1 variable, use active_insn_p
        to determine what is counted.
        (flow_find_head_matching_sequence): Use active_insn_p to determine
        what is counted.
        (try_head_merge_bb): Adjust for the flow_find_head_matching_sequence
        counting change.
        * ifcvt.c (count_bb_insns): Use active_insn_p && !JUMP_P to
        determine what is counted.

        PR tree-optimization/59643
        * tree-predcom.c (split_data_refs_to_components): If one dr is
        read and one write, determine_offset fails and the write isn't
        in the bad component, just put the read into the bad component.

2014-01-07  Mike Stump  <mikestump@comcast.net>
            Jakub Jelinek  <jakub@redhat.com>

        PR pch/59436
        * tree-core.h (struct tree_optimization_option): Change optabs
        type from unsigned char * to void *.
        * optabs.c (init_tree_optimization_optabs): Adjust
        TREE_OPTIMIZATION_OPTABS initialization.

2014-01-06  Jakub Jelinek  <jakub@redhat.com>

        PR target/59644
        * config/i386/i386.h (struct machine_function): Add
        no_drap_save_restore field.
        * config/i386/i386.c (ix86_save_reg): Use
        !cfun->machine->no_drap_save_restore instead of
        crtl->stack_realign_needed.
        (ix86_finalize_stack_realign_flags): Don't clear drap_reg unless
        this function clears frame_pointer_needed.  Set
        cfun->machine->no_drap_save_restore if clearing frame_pointer_needed
        and DRAP reg is needed.

2014-01-06  Marek Polacek  <polacek@redhat.com>

        PR c/57773
        * doc/implement-c.texi: Mention that other integer types are
        permitted as bit-field types in strictly conforming mode.

2014-01-06  Felix Yang  <fei.yang0953@gmail.com>

        * modulo-sched.c (schedule_reg_moves): Clear distance1_uses if it
        is newly allocated.

2014-01-06  Richard Earnshaw  <rearnsha@arm.com>

        * aarch64.c (aarch64_rtx_costs): Fix cost calculation for MADD.

2014-01-06  Martin Jambor  <mjambor@suse.cz>

        PR ipa/59008
        * ipa-cp.c (ipcp_discover_new_direct_edges): Changed param_index type
        to int.
        * ipa-prop.c (ipa_print_node_params): Fix indentation.

2014-01-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR debug/59350
        PR debug/59510
        * var-tracking.c (add_stores): Preserve the value of the source even if
        we don't record the store.

2014-01-06  Terry Guo  <terry.guo@arm.com>

        * config.gcc (arm*-*-*): Check --with-arch against arm-arches.def.

2014-01-05  Iain Sandoe  <iain@codesourcery.com>

        PR bootstrap/59541
        * config/darwin.c (darwin_function_section): Adjust return values to
        correspond to optimisation changes made in r206070.

2014-01-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_data_alignment): Calculate max_align
        from prefetch_block tune setting.
        (nocona_cost): Correct size of prefetch block to 64.

2014-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        * config/arm/arm.c (arm_get_frame_offsets): Revamp long lines.
        (arm_expand_epilogue_apcs_frame): Take into account the number of bytes
        used to save the static chain register in the computation of the offset
        from which the FP registers need to be restored.

2014-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/59519
        * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
        ICE if get_current_def (current_new_name) is already non-NULL, as long
        as it is a phi result of some other phi in *new_exit_bb that has
        the same argument.

        * config/i386/sse.md (avx512f_load<mode>_mask): Emit vmovup{s,d}
        or vmovdqu* for misaligned_operand.
        (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>,
        <sse2_avx_avx512f>_loaddqu<mode><mask_name>): Handle <mask_applied>.
        * config/i386/i386.c (ix86_expand_special_args_builtin): Set
        aligned_mem for AVX512F masked aligned load and store builtins and for
        non-temporal moves.

2014-01-03  Bingfeng Mei  <bmei@broadcom.com>

        PR tree-optimization/59651
        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
        Address range for negative step should be added by TYPE_SIZE_UNIT.

2014-01-03  Andreas Schwab  <schwab@linux-m68k.org>

        * config/m68k/m68k.c (handle_move_double): Handle pushes with
        overlapping registers also for registers other than the stack pointer.

2014-01-03  Marek Polacek  <polacek@redhat.com>

        PR other/59661
        * doc/extend.texi: Fix the return value of __builtin_FUNCTION and
        __builtin_FILE.

2014-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/59625
        * config/i386/i386.c (ix86_avoid_jump_mispredicts): Don't consider
        asm goto as jump.

        * config/i386/i386.md (MODE_SIZE): New mode attribute.
        (push splitter): Use <P:MODE_SIZE> instead of
        GET_MODE_SIZE (<P:MODE>mode).
        (lea splitter): Use <MODE_SIZE> instead of GET_MODE_SIZE (<MODE>mode).
        (mov -1, reg peephole2): Likewise.
        * config/i386/sse.md (*mov<mode>_internal,
        <sse>_storeu<ssemodesuffix><avxsizesuffix>,
        <sse2_avx_avx512f>_storedqu<mode>, <sse>_andnot<mode>3,
        *<code><mode>3, *andnot<mode>3<mask_name>,
        <mask_codefor><code><mode>3<mask_name>): Likewise.
        * config/i386/subst.md (mask_mode512bit_condition,
        sd_mask_mode512bit_condition): Likewise.

2014-01-02  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/59303
        * tree-ssa-uninit.c (is_use_properly_guarded): Main cleanup.
        (dump_predicates): Better output format.
        (pred_equal_p): New function.
        (is_neq_relop_p): Ditto.
        (is_neq_zero_form_p): Ditto.
        (pred_expr_equal_p): Ditto.
        (pred_neg_p): Ditto.
        (simplify_pred): Ditto.
        (simplify_preds_2): Ditto.
        (simplify_preds_3): Ditto.
        (simplify_preds_4): Ditto.
        (simplify_preds): Ditto.
        (push_pred): Ditto.
        (push_to_worklist): Ditto.
        (get_pred_info_from_cmp): Ditto.
        (is_degenerated_phi): Ditto.
        (normalize_one_pred_1): Ditto.
        (normalize_one_pred): Ditto.
        (normalize_one_pred_chain): Ditto.
        (normalize_preds): Ditto.
        (normalize_cond_1): Remove function.
        (normalize_cond): Ditto.
        (is_gcond_subset_of): Ditto.
        (is_subset_of_any): Ditto.
        (is_or_set_subset_of): Ditto.
        (is_and_set_subset_of): Ditto.
        (is_norm_cond_subset_of): Ditto.
        (pred_chain_length_cmp): Ditto.
        (convert_control_dep_chain_into_preds): Type change.
        (find_predicates): Ditto.
        (find_def_preds): Ditto.
        (destroy_predicates_vecs): Ditto.
        (find_matching_predicates_in_rest_chains): Ditto.
        (use_pred_not_overlap_with_undef_path_pred): Ditto.
        (is_pred_expr_subset): Ditto.
        (is_pred_chain_subset_of): Ditto.
        (is_included_in): Ditto.
        (is_superset_of): Ditto.

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        Update copyright years.

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * common/config/arc/arc-common.c, config/arc/arc-modes.def,
        config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h,
        config/arc/arc.md, config/arc/arc.opt,
        config/arm/arm_neon_builtins.def, config/arm/crypto.def,
        config/i386/avx512cdintrin.h, config/i386/avx512erintrin.h,
        config/i386/avx512fintrin.h, config/i386/avx512pfintrin.h,
        config/i386/btver2.md, config/i386/shaintrin.h, config/i386/slm.md,
        config/linux-protos.h, config/linux.c, config/winnt-c.c,
        diagnostic-color.c, diagnostic-color.h, gimple-ssa-isolate-paths.c,
        vtable-verify.c, vtable-verify.h: Use the standard form for the
        copyright notice.

2014-01-02  Tobias Burnus  <burnus@net-b.de>

        * 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.

2014-01-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * config/nios2/nios2.h (BITS_PER_UNIT): Don't define it.

2014-01-01  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/sse.md (*mov<mode>_internal): Guard
        EXT_REX_SSE_REGNO_P (REGNO ()) uses with REG_P.

        PR rtl-optimization/59647
        * cse.c (cse_process_notes_1): Don't substitute negative VOIDmode
        new_rtx into UNSIGNED_FLOAT rtxes.
\f
Copyright (C) 2014 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.