* avr/avr-mcus.def (ata5272, ata5505, attiny1634, ata6285)

[official-gcc.git] / gcc / ChangeLog

2013-02-28  Georg-Johann Lay  <avr@gjlay.de>

        * avr/avr-mcus.def (ata5272, ata5505, attiny1634, ata6285)
        (ata6286, atmega8a, atmega48pa, ata5790, ata5790n, ata5795)
        (atmega164pa, atmega165pa, atmega168pa, atmega16hva, atmega16hvb)
        (atmega16hvbrevb, atmega16m1, atmega16u4, atmega26hvg, atmega32a)
        (atmega32a, atmega3250pa, atmega3290pa, atmega32c1, atmega32m1)
        (atmega32u4, atmega32u6, atmega64a, atmega6490a, atmega6490p)
        (atmega64c1, atmega64m1, atmega64rfa2, atmega64rfr2, atmega32hvb)
        (atmega32hvbrevb, atmega16hva2, atmega48hvf, at90pwm161)
        (atmega128a, atmega1284, atmxt112sl, atmxt224, atmxt224e)
        (atmxt336s, atxmega16a4u, atxmega16c4, atxmega32a4u, atxmega32c4)
        (atxmega32e5, atxmega64a3u, atxmega64a4u, atxmega64b1, atxmega64b3)
        (atxmega64c3, atxmega64d4, atxmega128a3u, atxmega128b1)
        (atxmega128b3, atxmega128c3, atxmega128d4, atmxt540s, atmxt540sreva)
        (atxmega192a3u, atxmega192c3, atxmega256a3u, atxmega256c3)
        (atxmega384c3, atxmega384d3, atxmega128a4u): New AVR_MCU.
        (avrxmega6): Increase max flash segments from 5 to 6.
        * config/avr/t-multilib: Regenerate.
        * config/avr/avr-tables.opt: Regenerate.
        * doc/avr-mmcu.texi: Regenerate.

2013-02-28  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.h (device_to_arch): Rename to device_to_ld.
        (avr_device_to_arch): Rename to avr_device_to_ld.
        (avr_device_to_as): New prototype.
        (EXTRA_SPEC_FUNCTIONS): Add device_to_as.
        (ASM_SPEC): Use device_to_as to get -mmcu= and -mno-skip-bug=.
        * config/avr/driver-avr.c (avr_device_to_as): New.
        (avr_device_to_arch): Rename to avr_device_to_ld.

2013-02-27  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56461
        * tree-vect-data-refs.c (vect_permute_load_chain): Avoid using copy
        method on dr_chain and result_chain.

        PR middle-end/56461
        * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Call
        pointer_set_destroy on not_executed_last_iteration.

        PR middle-end/56461
        * tree-vect-loop.c (vectorizable_reduction): Release vect_defs
        vector.

        PR middle-end/56461
        * ipa-pure-const.c (propagate): Use FOR_EACH_FUNCTION instead of
        FOR_EACH_DEFINED_FUNCTION when freeing state.

        PR middle-end/56461
        * df-scan.c (df_insn_delete): Use df_scan_free_mws_vec before
        pool_free.
        (df_insn_rescan_debug_internal): Use df_scan_free_mws_vec before
        overwriting it.

        PR middle-end/56461
        * ipa-cp.c (decide_whether_version_node): Call vec_free on
        known_aggs[i].items and release known_aggs vector.

        PR middle-end/56461
        * ipa-reference.c (propagate): Free node_info even for alias nodes.

2013-02-27  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config/microblaze/microblaze.c (microblaze_emit_compare):
        Use xor for EQ/NE comparisions.
        * config/microblaze/microblaze.md (cstoresf4): Add constraints
        (cbranchsf4): Adjust operator to comparison_operator.

2013-02-27  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56461
        * tree-flow.h (edge_var_map_vector): Change into va_heap, vl_embed
        vector.
        * tree-ssa.c (redirect_edge_var_map_add): Use vec_safe_reserve and
        vec_safe_push, always update *slot.
        (redirect_edge_var_map_clear): Use vec_free.
        (redirect_edge_var_map_dup): Use vec_safe_copy and vec_safe_reserve.
        (free_var_map_entry): Use vec_free.
        * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Use
        FOR_EACH_VEC_SAFE_ELT instead of FOR_EACH_VEC_ELT.

2013-02-27  Andrey Belevantsev  <abel@ispras.ru>

        PR middle-end/45472
        * sel-sched-ir.c (merge_expr): Also change vinsn of merged expr
        when the may_trap_p bit of the exprs being merged differs.
        Reorder tests for speculativeness in the logical and operator.

2013-02-27  Jakub Jelinek  <jakub@redhat.com>

        * incpath.c (add_standard_paths): Use reconcat instead of concat
        where appropriate and avoid leaking memory.

        * opts.h: Include obstack.h.
        (opts_concat): New prototype.
        (opts_obstack): New declaration.
        * opts.c (opts_concat): New function.
        (opts_obstack): New variable.
        (init_options_struct): Call gcc_init_obstack on opts_obstack.
        (finish_options): Use opts_concat instead of concat
        and XOBNEWVEC instead of XNEWVEC.
        * opts-common.c (generate_canonical_option, decode_cmdline_option,
        generate_option): Likewise.
        * Makefile.in (OPTS_H): Depend on $(OBSTACK_H).
        * lto-wrapper.c (main): Call gcc_init_obstack on opts_obstack.

        PR target/56455
        * stmt.c (expand_switch_as_decision_tree_p): If flag_pic
        and ASM_OUTPUT_ADDR_DIFF_ELT isn't defined, return true.

2013-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56461
        * lra-spills.c (lra_spill): Free spill_hard_reg at the end.

2013-02-26  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/arm/arm.c (const_ok_for_dimode_op): Back out last change.
        (arm_block_move_unaligned_straight): Likewise.
        (arm_adjust_block_mem): Likewise.

2013-02-26  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR target/48901
        * config/lm32/lm32.c (gen_int_relational): Remove unused variables
        temp, cond and label.
        * config/lm32/lm32.md (ashlsi3): Remove unused variable one.

        PR target/52500
        * config/c6x/c6x.c (dbx_register_map): Change to unsigned.
        * config/c6x/c6x.h (dbx_register_map): Update declaration.

        PR target/52501
        * config/cr16/cr16-protos.h: Move end of RTX_CODE guard below end
        of prologue/epilogue functions.

        PR target/52550
        * config/tilegx/tilegx.c (tilegx_expand_prologue):
        Remove unused variable cfa_offset.
        * config/tilepro/tilepro.c (tilepro_expand_prologue): Likewise.

        PR target/54639
        * config/mn10300/mn10300.c (mn10300_expand_epilogue): Avoid offset
        type promotion to unsigned.

        PR target/54640
        * config/arm/arm.c (const_ok_for_dimode_op): Make code consistent
        for HOST_WIDE_INT of 32 bit / same size as int.
        (arm_block_move_unaligned_straight): Likewise.
        (arm_adjust_block_mem): Likewise.

        PR target/54662
        * config/mep/t-mep (mep-pragma.o): Use ALL_COMPILERFLAGS instead of
        ALL_CFLAGS.

2013-02-26  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/56426
        * tree-ssa-loop.c (tree_ssa_loop_init): Always call
        scev_initialize.

2013-02-26  Richard Biener  <rguenther@suse.de>

        PR target/56444
        * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Remove
        unused variable loops.

2013-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56448
        * fold-const.c (operand_equal_p) <case tcc_reference>: Don't look at
        TREE_SIDE_EFFECTS if flags contain OEP_CONSTANT_ADDRESS_OF.
        Clear OEP_CONSTANT_ADDRESS_OF from flags before recursing on second or
        later operands of the references, or even first operand for
        INDIRECT_REF, TARGET_MEM_REF or MEM_REF.

        PR tree-optimization/56443
        * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
        overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
        to type_for_mode langhook.

2013-02-25  Matt Turner  <mattst88@gmail.com>

        * doc/invoke.texi: Document r4700.

2013-02-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56175
        * tree-ssa-forwprop.c (hoist_conversion_for_bitop_p): New predicate,
        split out from ...
        (simplify_bitwise_binary): ... here.  Also guard the conversion
        of (type) X op CST to (type) (X op ((type-x) CST)) with it.

2013-02-25  Catherine Moore  <clm@codesourcery.com>

        Revert:
        2013-02-24  Catherine Moore  <clm@codesourcery.com>
            Maciej W. Rozycki  <macro@codesourcery.com>
            Tom de Vries  <tom@codesourcery.com>
            Nathan Sidwell <nathan@codesourcery.com>
            Iain Sandoe  <iain@codesourcery.com>
            Nathan Froyd  <froydnj@codesourcery.com>
            Chao-ying Fu <fu@mips.com>
        * doc/extend.texi: (micromips, nomicromips, nocompression):
        Document new function attributes. 
        * doc/invoke.texi (minterlink-compressed, mmicromips,
        m14k, m14ke, m14kec): Document new options.
        (minterlink-mips16): Update documentation.
        * doc/md.texi (ZC, ZD): Document new constraints.
        * configure.ac (gcc_cv_as_micromips): Check if linker
        supports the .set micromips directive.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/mips/mips-tables.opt: Regenerate.
        * config/mips/micromips.md: New file.
        * constraints.md (ZC, AD): New constraints.
        * config/mips/predicates.md (movep_src_register): New predicate.
        (movep_src_operand): New predicate.
        (non_volatile_mem_operand): New predicate.
        * config/mips/mips.md (multimem): New type.
        (length): Differentiate between 17-bit and 18-bit branch offsets.
        (MOVEP1, MOVEP2): New mode iterator.
        (mov_<load>l): Use ZC constraint.
        (mov_<load>r): Likewise.
        (mov_<store>l): Likewise.
        (mov_<store>r): Likewise.
        (*branch_equality<mode>_inverted): Add microMIPS support.
        (*branch_equality<mode>): Likewise.
        (*jump_absolute): Likewise.
        (indirect_jump_<mode>): Likewise.
        (tablejump_<mode>): Likewise.
        (<optab>_internal): Likewise.
        (sibcall_internal): Likewise.
        (sibcall_value_internal): Likewise.
        (prefetch): Use constraint ZD.
        * config/mips/mips.opt (minterlink-compressed): New option.
        (minterlink-mips16): Now an alias for minterlink-compressed.
        (mmicromips): New option.
        * config/mips/sync.md (sync_compare_and_swap<mode>): Use ZR constraint.
        (compare_and_swap_12): Likewise.
        (sync_add<mode>): Likewise.
        (sync_<optab>_12): Likewise.
        (sync_old_<optab>_12): Likewise.
        (sync_new_<optab>_12): Likewise.
        (sync_nand_12): Likewise.
        (sync_old_nand_12): Likewise.
        (sync_new_nand_12): Likewise.
        (sync_sub<mode>): Likewise.
        (sync_old_add<mode>): Likewise.
        (sync_old_sub<mode>): Likewise.
        (sync_new_add<mode>): Likewise.
        (sync_new_sub<mode>): Likewise.
        (sync_<optab><mode>): Likewise.
        (sync_old_<optab><mode>): Likewise.
        (sync_new_<optab><mode>): Likewise.
        (sync_nand<mode>): Likewise.
        (sync_old_nand<mode>): Likewise.
        (sync_new_nand<mode>): Likewise.
        (sync_lock_test_and_set<mode>): Likewise.
        (test_and_set_12): Likewise.
        (atomic_compare_and_swap<mode>): Likewise.
        (atomic_exchange<mode>_llsc): Likewise.
        (atomic_fetch_add<mode>_llsc): Likewise.
        * config/mips/mips-cpus.def (m14kc, m14k): New processors.
        * config/mips/mips-protos.h (umips_output_save_restore): New prototype.
        (umips_save_restore_pattern_p): Likewise.
        (umips_load_store_pair_p): Likewise.
        (umips_output_load_store_pair): Likewise.
        (umips_movep_target_p): Likewise.
        (umips_12bit_offset_address_p): Likewise.
        * config/mips/mips.c (MIPS_MAX_FIRST_STEP): Update for microMIPS.
        (mips_base_mips16): Rename this...
        (mips_base_compression_flags): ...to this. Update all uses.
        (mips_attribute_table): Add micromips, nomicromips and nocompression.
        (mips_mips16_decl_p): Delete.
        (mips_nomips16_decl_p): Delete.
        (mips_get_compress_on_flags): New function.
        (mips_get_compress_off_flags): New function.
        (mips_get_compress_mode): New function.
        (mips_get_compress_on_name): New function.
        (mips_get_compress_off_name): New function.
        (mips_insert_attributes): Support multiple compression types.
        (mips_merge_decl_attributes): Likewise.
        (umips_12bit_offset_address_p): New function.
        (mips_start_function_definition): Emit .set micromips directive.
        (mips_call_may_need_jalx_p): New function.
        (mips_function_ok_for_sibcall): Add microMIPS support.
        (mips_print_operand_punctuation): Support short delay slots and
        compact jumps.
        (umips_swm_mask, umips_swm_encoding): New.
        (umips_build_save_restore): New function.
        (mips_for_each_saved_gpr_and_fpr): Add microMIPS support.
        (was_mips16_p): Remove.
        (old_compression_mode): New.
        (mips_set_compression_mode): New function.
        (mips_set_current_function): Add microMIPS support.
        (mips_option_override): Likewise.
        (umips_save_restore_pattern_p): New function.
        (umips_output_save_restore): New function.
        (umips_load_store_pair_p_1): New function.
        (umips_load_store_pair_p): New function.
        (umips_output_load_store_pair_1): New function.
        (umips_output_load_store_pair): New function.
        (umips_movep_target_p) New function.
        (mips_prepare_pch_save): Add microMIPS support.
        * config/mips/mips.h (TARGET_COMPRESSION): New.
        (TARGET_CPU_CPP_BUILTINS): Update macro
        to use new compression flags and to support microMIPS.
        (MIPS_ISA_LEVEL_SPEC): Add m14k processors.
        (MIPS_ARCH_FLOAT_SPEC): Likewise.
        (ISA_HAS_LWXS): Include TARGET_MICROMIPS.
        (ISA_HAS_LOAD_DELAY): Exclude TARGET_MICROMIPS.
        (ASM_SPEC): Support mmicromips and mno-micromips.
        (M16STORE_REG_P): New macro.
        (MIPS_CALL): Support TARGET_MICROMIPS.
        (MICROMIPS_J): New macro.
        (mips_base_mips16): Rename this...
        (mips_base_compression_flags): ...to this.
        (UMIPS_12BIT_OFFSET_P): New macro.
        * config/mips/t-sde: (MULTILIB_OPTIONS): Add microMIPS.
        (MULTILIB_DIRNAMES): Likewise.

2013-02-25  Tom de Vries  <tom@codesourcery.com>

        PR rtl-optimization/56131
        * insn-notes.def (INSN_NOTE_BASIC_BLOCK): Update comment.
        * cfgrtl.c (delete_insn): Don't reorder NOTE_INSN_DELETED_LABEL and
        NOTE_INSN_BASIC_BLOCK if BLOCK_FOR_INSN == NULL.

2013-02-25  Tobias Burnus  <burnus@net-b.de>

        * doc/invoke.texi (-fsanitize=): Move from optimization
        to debugging options.

2013-02-25  Andrey Belevantsev  <abel@ispras.ru>

        * sched-deps.c (sched_analyze_insn): Fix typo in comment.

2013-02-25  Andrey Belevantsev  <abel@ispras.ru>
            Alexander Monakov  <amonakov@ispras.ru>

        PR middle-end/56077
        * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
        flush pending lists also on non-jumps.  Adjust comment.

2013-02-24  Catherine Moore  <clm@codesourcery.com>
            Maciej W. Rozycki  <macro@codesourcery.com>
            Tom de Vries  <tom@codesourcery.com>
            Nathan Sidwell <nathan@codesourcery.com>
            Iain Sandoe  <iain@codesourcery.com>
            Nathan Froyd  <froydnj@codesourcery.com>
            Chao-ying Fu <fu@mips.com>

        * doc/extend.texi: (micromips, nomicromips, nocompression):
        Document new function attributes. 
        * doc/invoke.texi (minterlink-compressed, mmicromips,
        m14k, m14ke, m14kec): Document new options.
        (minterlink-mips16): Update documentation.
        * doc/md.texi (ZC, ZD): Document new constraints.
        * configure.ac (gcc_cv_as_micromips): Check if linker
        supports the .set micromips directive.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/mips/mips-tables.opt: Regenerate.
        * config/mips/micromips.md: New file.
        * constraints.md (ZC, AD): New constraints.
        * config/mips/predicates.md (movep_src_register): New predicate.
        (movep_src_operand): New predicate.
        (non_volatile_mem_operand): New predicate.
        * config/mips/mips.md (multimem): New type.
        (length): Differentiate between 17-bit and 18-bit branch offsets.
        (MOVEP1, MOVEP2): New mode iterator.
        (mov_<load>l): Use ZC constraint.
        (mov_<load>r): Likewise.
        (mov_<store>l): Likewise.
        (mov_<store>r): Likewise.
        (*branch_equality<mode>_inverted): Add microMIPS support.
        (*branch_equality<mode>): Likewise.
        (*jump_absolute): Likewise.
        (indirect_jump_<mode>): Likewise.
        (tablejump_<mode>): Likewise.
        (<optab>_internal): Likewise.
        (sibcall_internal): Likewise.
        (sibcall_value_internal): Likewise.
        (prefetch): Use constraint ZD.
        * config/mips/mips.opt (minterlink-compressed): New option.
        (minterlink-mips16): Now an alias for minterlink-compressed.
        (mmicromips): New option.
        * config/mips/sync.md (sync_compare_and_swap<mode>): Use ZR constraint.
        (compare_and_swap_12): Likewise.
        (sync_add<mode>): Likewise.
        (sync_<optab>_12): Likewise.
        (sync_old_<optab>_12): Likewise.
        (sync_new_<optab>_12): Likewise.
        (sync_nand_12): Likewise.
        (sync_old_nand_12): Likewise.
        (sync_new_nand_12): Likewise.
        (sync_sub<mode>): Likewise.
        (sync_old_add<mode>): Likewise.
        (sync_old_sub<mode>): Likewise.
        (sync_new_add<mode>): Likewise.
        (sync_new_sub<mode>): Likewise.
        (sync_<optab><mode>): Likewise.
        (sync_old_<optab><mode>): Likewise.
        (sync_new_<optab><mode>): Likewise.
        (sync_nand<mode>): Likewise.
        (sync_old_nand<mode>): Likewise.
        (sync_new_nand<mode>): Likewise.
        (sync_lock_test_and_set<mode>): Likewise.
        (test_and_set_12): Likewise.
        (atomic_compare_and_swap<mode>): Likewise.
        (atomic_exchange<mode>_llsc): Likewise.
        (atomic_fetch_add<mode>_llsc): Likewise.
        * config/mips/mips-cpus.def (m14kc, m14k): New processors.
        * config/mips/mips-protos.h (umips_output_save_restore): New prototype.
        (umips_save_restore_pattern_p): Likewise.
        (umips_load_store_pair_p): Likewise.
        (umips_output_load_store_pair): Likewise.
        (umips_movep_target_p): Likewise.
        (umips_12bit_offset_address_p): Likewise.
        * config/mips/mips.c (MIPS_MAX_FIRST_STEP): Update for microMIPS.
        (mips_base_mips16): Rename this...
        (mips_base_compression_flags): ...to this. Update all uses.
        (mips_attribute_table): Add micromips, nomicromips and nocompression.
        (mips_mips16_decl_p): Delete.
        (mips_nomips16_decl_p): Delete.
        (mips_get_compress_on_flags): New function.
        (mips_get_compress_off_flags): New function.
        (mips_get_compress_mode): New function.
        (mips_get_compress_on_name): New function.
        (mips_get_compress_off_name): New function.
        (mips_insert_attributes): Support multiple compression types.
        (mips_merge_decl_attributes): Likewise.
        (umips_12bit_offset_address_p): New function.
        (mips_start_function_definition): Emit .set micromips directive.
        (mips_call_may_need_jalx_p): New function.
        (mips_function_ok_for_sibcall): Add microMIPS support.
        (mips_print_operand_punctuation): Support short delay slots and
        compact jumps.
        (umips_swm_mask, umips_swm_encoding): New.
        (umips_build_save_restore): New function.
        (mips_for_each_saved_gpr_and_fpr): Add microMIPS support.
        (was_mips16_p): Remove.
        (old_compression_mode): New.
        (mips_set_compression_mode): New function.
        (mips_set_current_function): Add microMIPS support.
        (mips_option_override): Likewise.
        (umips_save_restore_pattern_p): New function.
        (umips_output_save_restore): New function.
        (umips_load_store_pair_p_1): New function.
        (umips_load_store_pair_p): New function.
        (umips_output_load_store_pair_1): New function.
        (umips_output_load_store_pair): New function.
        (umips_movep_target_p) New function.
        (mips_prepare_pch_save): Add microMIPS support.
        * config/mips/mips.h (TARGET_COMPRESSION): New.
        (TARGET_CPU_CPP_BUILTINS): Update macro
        to use new compression flags and to support microMIPS.
        (MIPS_ISA_LEVEL_SPEC): Add m14k processors.
        (MIPS_ARCH_FLOAT_SPEC): Likewise.
        (ISA_HAS_LWXS): Include TARGET_MICROMIPS.
        (ISA_HAS_LOAD_DELAY): Exclude TARGET_MICROMIPS.
        (ASM_SPEC): Support mmicromips and mno-micromips.
        (M16STORE_REG_P): New macro.
        (MIPS_CALL): Support TARGET_MICROMIPS.
        (MICROMIPS_J): New macro.
        (mips_base_mips16): Rename this...
        (mips_base_compression_flags): ...to this.
        (UMIPS_12BIT_OFFSET_P): New macro.
        * config/mips/t-sde: (MULTILIB_OPTIONS): Add microMIPS.
        (MULTILIB_DIRNAMES): Likewise.

2013-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/52555
        * target-globals.c (save_target_globals): For init_reg_sets and
        target_reinit remporarily set this_fn_optabs to this_target_optabs.

2013-02-22  James Grennahlgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd-builtins.def: Add copyright header.
        * config/aarch64/t-aarch64
        (aarch64-builtins.o): Depend on aarch64-simd-builtins.def.

2013-02-22  Vladimir Makarov  <vmakarov@redhat.com>

        PR inline-asm/56148
        * lra-constraints.c (process_alt_operands): Reload operand
        conflicting with earlier clobber only if no more other conflicting
        operands.

2013-02-22  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/56393
        * config/gnu-user.h (LIBASAN_EARLY_SPEC): Link in libasan_preinit.o
        if not linking a shared library.

2013-02-22  Seth LaForge  <sethml@google.com>

        * config.gcc (arm*-*-eabi*): Treat arm*eb as big-endian.

2013-02-22  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm.md (split for extendsidi): Update condition.
        (zero_extend<mode>di2,extend<mode>di2): Add an alternative.
        * config/arm/iterators.md (qhs_extenddi_cstr): Likewise.
        (qhs_zextenddi_cstr): Likewise.

2013-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56420
        * expmed.c (EXACT_POWER_OF_2_OR_ZERO_P): Do subtraction in uhwi, to
        avoid signed wrapping.
        (expand_mult): Handle properly multiplication by
        ((dword_type) -1) << (BITS_PER_WORD - 1).  Improve multiplication by
        ((dword_type) 1) << (BITS_PER_WORD - 1).  Avoid undefined behavior
        in the compiler if coeff is HOST_WIDE_INT_MIN.
        (expand_divmod): Don't make ext_op1 static, change it's type to
        uhwi.  Avoid undefined behavior in -INTVAL (op1).

        PR rtl-optimization/50339
        * lower-subreg.h (struct lower_subreg_choices): Add splitting_ashiftrt
        field.
        * lower-subreg.c (compute_splitting_shift): Handle ASHIFTRT.
        (compute_costs): Call compute_splitting_shift also for ASHIFTRT
        into splitting_ashiftrt field.
        (find_decomposable_shift_zext, resolve_shift_zext): Handle also
        ASHIFTRT.
        (dump_choices): Fix up printing LSHIFTRT choices, print ASHIFTRT
        choices.

2013-02-20  Aldy Hernandez  <aldyh@redhat.com>

        PR middle-end/56108
        * trans-mem.c (execute_tm_mark): Do not expand transactions that
        are sure to go irrevocable.

2013-02-21  Hans-Peter Nilsson  <hp@axis.com>

        * doc/rtl.texi (vec_concat, vec_duplicate): Mention that
        scalars are valid operands.

2013-02-21  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/56310
        * ipa-cp.c (agg_replacements_to_vector): New parameter index, copy
        only matching indices and non-negative final offsets.
        (intersect_aggregates_with_edge): Pass src_idx to
        agg_replacements_to_vector.  Pass src_idx insstead of index to
        intersect_with_agg_replacements.

2013-02-21  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (good_cloning_opportunity_p): Dump the real threshold
        instead of hard-wired defaults.

2013-02-21  Maciej W. Rozycki  <macro@codesourcery.com>

        * doc/invoke.texi (MIPS Options): Update documentation of the
        floating-point multiply-accumulate instruction restrictions.

2013-02-21  Kostya Serebryany  <kcc@google.com>

        * config/i386/i386.c (ix86_asan_shadow_offset): Use 0x7fff8000 as
        asan_shadow_offset on x86_64 linux.

2013-02-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56415
        Revert
        2013-02-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56273
        * tree-vrp.c (simplify_cond_using_ranges): Disable for the
        first VRP run.

2013-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/56258
        * doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
        instead of @itemx.

        PR inline-asm/56405
        * expr.c (expand_expr_real_1) <case TARGET_MEM_REF, MEM_REF>: Don't
        use movmisalign or extract_bit_field for EXPAND_MEMORY modifier.

2013-02-20  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/56265
        * ipa-prop.c (ipa_make_edge_direct_to_target): Fixup callgraph when target is
        referenced for firs ttime.

2013-02-20  Richard Biener  <rguenther@suse.de>

        * tree-call-cdce.c (tree_call_cdce): Do not remove unused locals.
        * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Likewise.
        * tree-ssa-dce.c (perform_tree_ssa_dce): Likewise.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do
        not return anything.
        (rename_ssa_copies): Do not remove unused locals.
        * tree-ssa-ccp.c (do_ssa_ccp): Likewise.
        * tree-ssanames.c (pass_release_ssa_names): Remove unused
        locals first.
        * passes.c (execute_function_todo): Do not schedule unused locals
        removal if cleanup_tree_cfg did something.
        * tree-ssa-live.c (remove_unused_locals): Dump statistics
        about the number of removed locals.

2013-02-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56398
        * tree-vect-loop-manip.c (adjust_debug_stmts): Skip
        SSA default defs.

2013-02-20  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/55334
        * ipa-cp.c (initialize_node_lattices): Disable IPA-CP through and to
        restricted pointers to arrays.

2013-02-20  Richard Biener  <rguenther@suse.de>
        Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56396
        * tree-ssa-ccp.c (n_const_val): New static variable.
        (get_value): Return NULL for SSA names we don't have a lattice
        entry for.
        (ccp_initialize): Initialize n_const_val.
        * tree-ssa-copy.c (n_copy_of): New static variable.
        (init_copy_prop): Initialize n_copy_of.
        (get_value): Return NULL_TREE for SSA names we don't have a
        lattice entry for.

2013-02-20  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (initialize_node_lattices): Fix dumping condition.

2013-02-20  Richard Biener  <rguenther@suse.de>

        * genpreds.c (write_lookup_constraint): Do not compare first
        letter of the constraint again.

2013-02-20  Richard Biener  <rguenther@suse.de>

        * tree-ssa-loop-ivopts.c (alloc_use_cost_map): Use bitmap_count_bits
        and ceil_log2.
        (get_use_iv_cost): Terminate hashtable walk when coming across
        an empty entry.

2013-02-20  Igor Zamyatin  <igor.zamyatin@intel.com>

        * config/i386/i386.c (initial_ix86_tune_features): Turn on fp
        reassociation for avx2 targets.

2012-02-19  Edgar E. Iglesias <edgar.iglesias@gmail.com>

        * config/microblaze/microblaze.c: microblaze_has_clz = 0
        Add version check for v8.10.a to enable microblaze_has_clz
        * config/microblaze/microblaze.h: Add TARGET_HAS_CLZ as combined 
        version and TARGET_PATTERN_COMPARE check
        * config/microblaze/microblaze.md: New clzsi2 instruction

2012-02-19  Edgar E. Iglesias <edgar.iglesias@gmail.com>

        *  config/microblaze/microblaze.md (call_value_intern): Check symbol is 
        function before branching.

2012-02-19  Andrey Belevantsev  <abel@ispras.ru>

        * sel-sched-dump.c (dump_insn_rtx_flags): Explicitly set
        DUMP_INSN_RTX_UID.
        (dump_insn_rtx_1): Pass PATTERN (insn) to str_pattern_slim.

2012-02-19  Andrey Belevantsev  <abel@ispras.ru>

        PR middle-end/55889

        * sel-sched.c: Include ira.h.
        (implicit_clobber_conflict_p): New function.
        (moveup_expr): Use it.
        * Makefile.in (sel-sched.o): Depend on ira.h. 

2013-02-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56384
        * tree-ssa-sccvn.h (struct vn_phi_s): Add type member.
        (vn_hash_type): Split out from ...
        (vn_hash_constant_with_type): ... here.
        * tree-ssa-sccvn.c (vn_phi_compute_hash): Use vn_hash_type.
        (vn_phi_eq): Compare types from vn_phi_s structure.
        (vn_phi_lookup): Populate vn_phi_s type.
        (vn_phi_insert): Likewise.

2013-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56350
        * tree-vect-loop.c (vectorizable_reduction): If orig_stmt, return false
        if haven't found reduction or nested cycle operand, rather than
        asserting we must find it.

        PR tree-optimization/56381
        * tree-ssa-pre.c (create_expression_by_pieces): Fix up last argument
        to fold_build3.

2013-02-18  Aldy Hernandez  <aldyh@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/52555
        * genopinit.c (raw_optab_handler): Use this_fn_optabs.
        (swap_optab_enable): Same.
        (init_all_optabs): Use argument instead of global.
        * tree.h (struct tree_optimization_option): New field
        target_optabs.
        * expr.h (init_all_optabs): Add argument to prototype.
        (TREE_OPTIMIZATION_OPTABS): New.
        (save_optabs_if_changed): Protoize.
        * optabs.h: Declare this_fn_optabs.
        * optabs.c (save_optabs_if_changed): New.
        Declare this_fn_optabs.
        (init_optabs): Add argument to init_all_optabs() call.
        * function.c (invoke_set_current_function_hook): Handle per
        function optabs.
        * function.h (struct function): New field optabs.
        * config/mips/mips.c (mips_set_mips16_mode): Handle when
        optimization_current_node has changed.
        * target-globals.h (save_target_globals_default_opts): Protoize.
        * target-globals.c (save_target_globals_default_opts): New.

2013-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/56347
        * config/pa/pa.c (pa_conditional_register_usage): On HP-UX, mark
        registers %fr12 and %fr12R as call used.

        PR target/56214
        * config/pa/predicates.md (base14_operand): Except for BLKmode, QImode
        and HImode, require all displacements to be an integer multiple of their
        mode size.
        * config/pa/pa.c (pa_legitimate_address_p): For REG+BASE addresses,
        only allow QImode and HImode when reload is in progress and strict is
        true.  Likewise for symbolic addresses.  Use base14_operand to check
        displacements in REG+BASE addresses.

2013-02-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56366
        * tree-vect-loop.c (get_initial_def_for_induction): Properly
        handle sign-conversion of outer-loop initial induction value.

2013-02-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/56349
        * cfghooks.c (merge_blocks): If we merge a latch into another
        block adjust references to it.
        * cfgloop.c (flow_loops_find): Reset latch before recomputing it.
        (verify_loop_structure): Verify that a recorded latch is in fact
        a latch.

2013-02-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56321
        * tree-ssa-reassoc.c (propagate_op_to_single_use): Properly
        order SSA name release and virtual operand unlinking.

2013-02-17  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config/microblaze/microblaze.md (save_stack_block): Define.
        (restore_stack_block): Likewise.

2013-02-16  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config/microblaze/linux.h (TARGET_SUPPORTS_PIC): Define as 1.
        * config/microblaze/microblaze.h (TARGET_SUPPORTS_PIC): Define as 1.
        * config/microblaze/microblaze.c (microblaze_option_override):
        Bail out early for PIC modes when target does not support PIC.

2013-02-16  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config/microblaze/microblaze.c (microblaze_asm_trampoline_template): 
        Replace with a microblaze version.
        (microblaze_trampoline_init): Adapt for microblaze.
        * gcc/config/microblaze/microblaze.h (TRAMPOLINE_SIZE): Adapt for 
        microblaze.

2013-02-16  Jakub Jelinek  <jakub@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        PR asan/56330
        * asan.c (get_mem_refs_of_builtin_call): White space and style
        cleanup.
        (instrument_mem_region_access): Do not forget to always put
        instrumentation of the of 'base' and 'base + len' in a "if (len !=
        0) statement, even for cases where either 'base' or 'base + len'
        are not instrumented -- because they have been previously
        instrumented.  Simplify the logic by putting all the statements
        instrument 'base + len' inside a sequence, and then insert that
        sequence right before the current insertion point.  Then, to
        instrument 'base + len', just get an iterator on that statement.
        And do not forget to update the pointer to iterator the function
        received as argument.

2013-02-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/56348
        * lra-assigns.c (reload_pseudo_compare_func): Prefer bigger pseudos.

2013-02-15  Steven Bosscher  <steven@gcc.gnu.org>

        * graph.c (start_graph_dump): Print dumpfile base as digraph label.
        (clean_graph_dump_file): Pass base to start_graph_dump.

2013-02-14  Richard Henderson  <rth@redhat.com>

        PR target/55941
        * lower-subreg.c (simple_move): Check dest mode instead of src mode.

2013-02-14  Steven Bosscher  <steven@gcc.gnu.org>

        * collect2-aix.h: Define F_LOADONLY.

2013-02-14  Richard Biener  <rguenther@suse.de>

        PR lto/50494
        * varasm.c (output_constant_def_1): Get the decl representing
        the constant as argument.
        (output_constant_def): Wrap output_constant_def_1.
        (make_decl_rtl): Use output_constant_def_1 with the decl
        representing the constant.
        (build_constant_desc): Optionally re-use a decl already
        representing the constant.
        (tree_output_constant_def): Adjust.

2013-02-14  Dodji Seketeli  <dodji@redhat.com>

        Fix an asan crash
        * asan.c (instrument_builtin_call):  Really put the length of the
        second source argument into src1_len.

2013-02-13  Jakub Jelinek  <jakub@redhat.com>

        * asan.c (create_cond_insert_point): Add create_then_fallthru_edge
        argument.  If it is false, don't create edge from then_bb to
        fallthru_bb.
        (insert_if_then_before_iter): Pass true to it.
        (build_check_stmt): Pass false to it.
        (transform_statements): Flush hash table only on extended basic
        block boundaries, rather than at the beginning of every bb.
        Don't flush hash table on nonfreeing_call_p calls.
        * tree-flow.h (nonfreeing_call_p): New prototype.
        * tree-ssa-phiopt.c (nonfreeing_call_p): No longer static.

2013-02-13  David S. Miller  <davem@davemloft.net>

        * expmed.c (expand_shift_1): Only strip scalar integer subregs.

2013-02-13  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/56184
        * ira.c (max_regno_before_ira): Move from ...
        (ira): ... here.
        (fix_reg_equiv_init): Use max_regno_before_ira instead of
        vec_safe_length.

2013-02-13  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_asan_shadow_offset): Revert last change.

2013-02-13  Richard Biener  <rguenther@suse.de>

        PR lto/56295
        * gimple-streamer-out.c (output_gimple_stmt): Undo wrapping
        globals in MEM_REFs.

2013-02-13  Richard Biener  <rguenther@suse.de>

        * loop-init.c (loop_optimizer_init): Clear loop state when
        re-initializing preserved loops.
        * loop-unswitch.c (unswitch_single_loop): Return whether
        we unswitched the loop.  Do not verify loop state here.
        (unswitch_loops): When we unswitched a loop discover new
        loops.

2013-02-13  Kostya Serebryany  <kcc@google.com>

        * config/i386/i386.c: Use 0x7fff8000 as asan_shadow_offset on x86_64
        linux.
        * sanitizer.def: Rename __asan_init to __asan_init_v1.

2013-02-12  Dodji Seketeli  <dodji@redhat.com>

        Avoid instrumenting duplicated memory access in the same basic block
        * Makefile.in (asan.o): Add new dependency on hash-table.h
        * asan.c (struct asan_mem_ref, struct mem_ref_hasher): New types.
        (asan_mem_ref_init, asan_mem_ref_get_end, get_mem_ref_hash_table)
        (has_stmt_been_instrumented_p, empty_mem_ref_hash_table)
        (free_mem_ref_resources, has_mem_ref_been_instrumented)
        (has_stmt_been_instrumented_p, update_mem_ref_hash_table)
        (get_mem_ref_of_assignment): New functions.
        (get_mem_refs_of_builtin_call): Extract from
        instrument_builtin_call and tweak a little bit to make it fit with
        the new signature.
        (instrument_builtin_call): Use the new
        get_mem_refs_of_builtin_call.  Use gimple_call_builtin_p instead
        of is_gimple_builtin_call.
        (instrument_derefs, instrument_mem_region_access): Insert the
        instrumented memory reference into the hash table.
        (maybe_instrument_assignment): Renamed instrument_assignment into
        this, and change it to advance the iterator when instrumentation
        actually happened and return true in that case.  This makes it
        homogeneous with maybe_instrument_assignment, and thus give a
        chance to callers to be more 'regular'.
        (transform_statements): Clear the memory reference hash table
        whenever we enter a new BB, when we cross a function call, or when
        we are done transforming statements.  Use
        maybe_instrument_assignment instead of instrumentation.  No more
        need to special case maybe_instrument_assignment and advance the
        iterator after calling it; it's now handled just like
        maybe_instrument_call.  Update comment.

2013-02-13  Richard Biener  <rguenther@suse.de>

        * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc):
        Fix loop discovery code.

2013-02-12  Vladimir Makarov  <vmakarov@redhat.com>

        PR inline-asm/56148
        * lra-constraints.c (process_alt_operands): Match early clobber
        operand with itself.  Check conflicts with earlyclobber only if
        the operand is not reloaded.  Prefer to reload conflicting operand
        if earlyclobber and matching operands are the same.

2013-02-12  Richard Biener  <rguenther@suse.de>

        PR lto/56297
        * lto-streamer-out.c (write_symbol): Do not output symbols
        for hard register variables.

2013-02-12  Georg-Johann Lay  <avr@gjlay.de>

        PR target/54222
        * config/avr/avr-dimode.md (umulsidi3, mulsidi3): New expanders.
        (umulsidi3_insn, mulsidi3_insn): New insns.

2013-02-12  Christophe Lyon <christophe.lyon@linaro.org>

        * config/arm/arm-protos.h (struct cpu_vec_costs): New struct type.
        (struct tune_params): Add vec_costs field.
        * config/arm/arm.c (arm_builtin_vectorization_cost)
        (arm_add_stmt_cost): New functions.
        (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST)
        (TARGET_VECTORIZE_ADD_STMT_COST): Define.
        (arm_default_vec_cost): New struct of type cpu_vec_costs.
        (arm_slowmul_tune, arm_fastmul_tune, arm_strongarm_tune)
        (arm_xscale_tune, arm_9e_tune, arm_v6t2_tune, arm_cortex_tune)
        (arm_cortex_a15_tune, arm_cortex_a5_tune, arm_cortex_a9_tune)
        (arm_v6m_tune, arm_fa726te_tune): Define new vec_costs field.

2013-02-12  Richard Biener  <rguenther@suse.de>

        PR lto/56295
        * gimple-streamer-in.c (input_gimple_stmt): Strip MEM_REFs off
        decls again if possible.

2013-02-12  Richard Biener  <rguenther@suse.de>

        PR middle-end/56288
        * tree-ssa.c (verify_ssa_name): Fix check, move
        SSA_NAME_IN_FREE_LIST check up.

2013-02-12  Jakub Jelinek  <jakub@redhat.com>
            Steven Bosscher   <steven@gcc.gnu.org>

        PR rtl-optimization/56151
        * optabs.c (add_equal_note): Don't return 0 if target is a MEM,
        equal to op0 or op1, and last_insn pattern is CODE operation
        with MEM dest and one of the operands matches that MEM.

2013-02-11  Sriraman Tallam  <tmsriramgoogle.com>

        * doc/extend.texi: Document Function Multiversioning and "default"
        parameter string to target attribute.
        * config/i386/i386.c (get_builtin_code_for_version): Return 0 if
        target attribute parameter is "default".
        (ix86_compare_version_priority): Remove checks for target attribute.
        (ix86_mangle_function_version_assembler_name): Change error to sorry.
        Remove check for target attribute equal to NULL. Add assert.
        (ix86_generate_version_dispatcher_body): Change error to sorry.

2013-02-11  Iain Sandoe  <iain@codesourcery.com>
            Jack Howarth  <howarth@bromo.med.uc.edu>
            Patrick Marlier  <patrick.marlier@gmail.com>

        PR libitm/55693
        * config/darwin.h: Replace ENDFILE_SPEC with TM_DESTRUCTOR and
        define ENDFILE_SPEC as TM_DESTRUCTOR.
        * config/i386/darwin.h (ENDFILE_SPEC): Use TM_DESTRUCTOR.

2013-02-11  Alexander Potapenko <glider@google.com>
            Jack Howarth  <howarth@bromo.med.uc.edu>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/55617
        * config/darwin.c (cdtor_record): Rename ctor_record.
        (sort_cdtor_records): Rename sort_ctor_records.
        (finalize_dtors): New routine to sort destructors by
        priority before use in assemble_integer.
        (machopic_asm_out_destructor): Use finalize_dtors if needed.

2013-02-11  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/56275
        * simplify-rtx.c (avoid_constant_pool_reference): Check that
        offset is non-negative and less than cmode size before
        calling simplify_subreg.

2013-02-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56264
        * cfgloop.h (fix_loop_structure): Adjust prototype.
        * loop-init.c (fix_loop_structure): Return the number of
        newly discovered loops.
        * tree-cfgcleanup.c (repair_loop_structures): When new loops
        are discovered, do a full loop-closed SSA rewrite.

2013-02-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56273
        * tree-vrp.c (simplify_cond_using_ranges): Disable for the
        first VRP run.
        (check_array_ref): Fix missing newline in dumps.
        (search_for_addr_array): Likewise.

2013-02-09  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/aix61.h (OS_MISSING_ALTIVEC): Undefine.

2013-02-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/56256
        * config/rs6000/rs6000.h (ASSEMBLER_DIALECT): Define.

2013-02-08  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/56246
        * lra-constraints.c (simplify_operand_subreg): Try to reuse
        reload pseudo.
        * lra.c (lra): Clear lra_optional_reload_pseudos only when all
        constraints are satisfied.

2013-02-08  Jeff Law  <law@redhat.com>

        PR debug/53948
        * emit-rtl.c (reg_is_parm_p): New function.
        * regs.h (reg_is_parm_p): New prototype.
        * ira-conflicts.c (ira_build_conflicts): Allow parameters in
        callee-clobbered registers.

2013-02-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/56043
        * config/rs6000/rs6000.c (rs6000_builtin_vectorized_libmass):
        If there is no implicit builtin declaration, just return NULL.

2013-02-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (FMAMODEM): New mode iterator.
        (fma<mode>4, fms<mode>4, fnma<mode>4, fnms<mode>4): Use FMAMODEM
        mode iterator. Do not use TARGET_SSE_MATH in insn constraint.

2013-02-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/gnu-user.h (TARGET_CAN_SPLIT_STACK): Define only
        when HAVE_GAS_CFI_PERSONALITY_DIRECTIVE is set.
        * config/i386/gnu-user64.h (TARGET_CAN_SPLIT_STACK): Ditto.

2013-02-08  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config.gcc (microblaze*-linux*): Add TARGET_BIG_ENDIAN_DEFAULT.
        (microblaze*-*-elf): Likewise.
        * config/microblaze/linux.h: Add -mbig-endian / -mlittle-endian to
        LINK_SPEC.
        * config/microblaze/microblaze-c.c: Add builtin defines for
        _LITTLE_ENDIAN and _BIG_ENDIAN.
        * config/microblaze/microblaze.h: Add TARGET_ENDIAN_DEFAULT and
        add to TARGET_DEFAULT flags.
        Expand ASM_SPEC and LINK_SPEC.
        Update BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN.
        * config/microblaze/microblaze.md: Update extendsidi2 and
        movdi_internal instructions to use low-order / high-order reg
        print_operands.
        * config/microblaze/microblaze.opt: Add mbig-endian and mlittle-endian
        options and inversemask / mask of LITTLE_ENDIAN.
        * config/microblaze/t-microblaze: Expand multilib options to
        include mlittle-endian (le) and update exceptions patterns.

2013-02-08  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/56195
        * lra-constraints.c (get_reload_reg): Don't reuse regs
        if they have smaller mode than requested, if they have
        wider mode than requested, try to return a SUBREG.

        PR tree-optimization/56250
        * fold-const.c (extract_muldiv_1) <case NEGATE_EXPR>: Don't optimize
        if type is unsigned and code isn't MULT_EXPR.

2013-02-08  Georg-Johann Lay  <avr@gjlay.de>

        PR tree-optimization/56064
        * fixed-value.c (fixed_from_double_int): Sign/zero extend payload
        bits according to mode.
        * fixed-value.h (fixed_from_double_int)
        (const_fixed_from_double_int): Adjust comments.

2013-02-08  Richard Biener  <rguenther@suse.de>

        PR lto/56231
        * lto-streamer.h (struct data_in): Remove current_file, current_line
        and current_col members.
        * lto-streamer-out.c (lto_output_location): Stream changed bits
        en-block for efficiency.
        * lto-streamer-in.c (clear_line_info): Remove.
        (lto_input_location): Cache current file, line and column
        globally via local statics.  Read changed bits en-block.
        (input_function): Do not call clear_line_info.
        (lto_read_body): Likewise.
        (lto_input_toplevel_asms): Likewise.

2013-02-08  Michael Matz  <matz@suse.de>

        PR tree-optimization/52448
        * tree-ssa-phiopt.c (struct name_to_bb): Add phase member.
        (nt_call_phase): New static.
        (add_or_mark_expr): Only mark accesses with newer phase than any
        call seen.
        (nonfreeing_call_p): New.
        (nt_init_block): Update nt_call_phase, mark blocks as visited.
        (nt_fini_block): Keep blocks marked as visited.
        (get_non_trapping): Initialize nt_call_phase, and reset aux pointer.

2013-02-08  Richard Biener  <rguenther@suse.de>

        * ira.c (ira): Free broken dominator information.

2013-02-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_spill_class): Use INTEGER_CLASS_P macro.

2013-02-08  Marek Polacek  <polacek@redhat.com>

        * cfgloop.c (verify_loop_structure): Add more checking of headers.

2013-02-08  Richard Biener  <rguenther@suse.de>

        PR middle-end/56181
        * cfgloop.h (flow_loops_find): Adjust.
        (bb_loop_header_p): Declare.
        * cfgloop.c (bb_loop_header_p): New function split out from ...
        (flow_loops_find): ... here.  Adjust function signature,
        support incremental loop structure update.
        (verify_loop_structure): Cleanup.  Verify a loop is a loop.
        * cfgloopmanip.c (fix_loop_structure): Move ...
        * loop-init.c (fix_loop_structure): ... here.
        (apply_loop_flags): Split out from ...
        (loop_optimizer_init): ... here.
        (fix_loop_structure): Use apply_loop_flags.  Use flow_loops_find
        in incremental mode, only remove dead loops here.

2013-02-08  Georg-Johann Lay  <avr@gjlay.de>

        PR target/54222
        * config/avr/avr.md (unspec) <UNSPEC_ROUND>: Add.
        * config/avr/avr-fixed.md (ALL4QA, ALL124QA): New mode iterators.
        (round<mode>3, round<mode>3_const): New expanders for fixed-mode.
        (*round<mode>3.libgcc): New insns for fixed-modes.
        * config/avr/builtins.def (ABSxx): Use a non-NULL LIBNAME.
        (ROUNDxx, COUNTLSxx, BITSxx, xxBITS): New DEF_BUILTINs.
        (ROUNDFX, COUNTLSFX, ABSFX): New DEF_BUILTINs.
        * config/avr/stdfix.h (absFX, bitsFX, FXbits): Remove inline
        implementations.  Define to __builtin_avr_absFX,
        __builtin_avr_bitsFX, __builtin_avr_FXbits, respectively.
        (roundFX, countlsFX): Define to __builtin_avr_roundFX,
        __builtin_avr_countlsFX, respectively.
        * config/avr/avr-c.c (target.h): Include it.
        (enum avr_builtin_id): New enum.
        (avr_resolve_overloaded_builtin): New static function.
        (avr_register_target_pragmas): Use it to set
        targetm.resolve_overloaded_builtin.
        * config/avr/avr.c (avr_init_builtins): Supply myriads of local
        tree nodes used by DEF_BUILTIN.
        (avr_expand_builtin) <AVR_BUILTIN_ROUNDxx>: Sanity-check them.
        (avr_fold_builtin) <AVR_BUILTIN_BITSxx>: Fold to VIEW_COVERT_EXPR.
        <AVR_BUILTIN_xxBITS>: Same.

2013-02-08  Richard Biener  <rguenther@suse.de>

        * cfgloop.c (verify_loop_structure): Properly handle
        a loop exiting to another loop header.
        * ira-int.h (ira_loops): Remove.
        * ira.c (ira_loops): Remove.
        (ira): Use loop_optimizer_init and loop_optimizer_finalize.
        (do_reload): Use loop_optimizer_finalize.
        * ira-build.c (create_loop_tree_nodes): Use get_loops and
        number_of_loops to access the loop tree.
        (more_one_region_p): Likewise.
        (finish_loop_tree_nodes): Likewise.
        (rebuild_regno_allocno_maps): Likewise.
        (mark_loops_for_removal): Likewise.
        (mark_all_loops_for_removal): Likewise.
        (remove_unnecessary_regions): Likewise.
        (ira_build): Likewise.
        * ira-emit.c (setup_entered_from_non_parent_p): Likewise.

2013-02-08  Richard Biener  <rguenther@suse.de>

        * Makefile.in (tree-tailcall.o): Add $(CFGLOOP_H) dependency.
        * ipa-pure-const.c (analyze_function): Avoid calling
        mark_irreducible_loops twice.
        * tree-tailcall.c (tree_optimize_tail_calls_1): Mark loops for fixup.

2013-02-07  David S. Miller  <davem@davemloft.net>

        * dwarf2out.c (based_loc_descr): Perform leaf register remapping
        on 'reg'.
        * var-tracking.c (vt_add_function_parameter): Test the presence of
        HAVE_window_save properly and do not remap argument registers when
        we have a leaf function.

2013-02-07  Uros Bizjak  <ubizjak@gmail.com>

        PR bootstrap/56227
        * ggc-page.c (ggc_print_statistics): Use HOST_LONG_LONG_FORMAT
        instead of "ll".
        * config/i386/i386.c (ix86_print_operand): Ditto.

2013-02-07  Vladimir Makarov  <vmakarov@redhat.com>

        * lra-constraints.c (process_alt_operands): Fix recently added comment.

2013-02-07  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/56225
        * lra-constraints.c (process_alt_operands): Check that reload hard
        reg can hold value for strict_low_part.

2013-02-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/56154
        * dwarf2out.c (dwarf2_debug_hooks): Set end_function hook to
        dwarf2out_end_function.
        (in_first_function_p, maybe_at_text_label_p,
        first_loclabel_num_not_at_text_label): New variables.
        (dwarf2out_var_location): In the first function find out
        lowest loclabel_num N where .LVLN is known not to be equal to .Ltext0.
        (find_empty_loc_ranges_at_text_label, dwarf2out_end_function): New
        functions.

2013-02-07  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/56178
        * cse.c (cse_insn): Do not create a REG_EQUAL note if the source is a
        SUBREG of a register.  Tidy up related block of code.
        * fwprop.c (forward_propagate_and_simplify): Do not create a REG_EQUAL
        note if the source is a register or a SUBREG of a register.

2013-02-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/56228
        * config/rs6000/rs6000.md (ptrm): New mode attr.
        (call_indirect_aix<ptrsize>, call_indirect_aix<ptrsize>_nor11,
        call_value_indirect_aix<pttrsize>,
        call_value_indirect_aix<pttrsize>_nor11): Use <ptrm> instead of
        m in constraints.

2013-02-07  Michael Haubenwallner  <michael.haubenwallner@salomon.at>

        * collect2.c (main): Set aix64_flag for -G and -bsvr4 too, disable
        if -bnortl. Convert to strcmp and strncmp.

2013-02-07  Alan Modra  <amodra@gmail.com>

        PR target/54009
        * config/rs6000/rs6000.c (mem_operand_gpr): Check that LO_SUM
        addresses won't wrap when offsetting.
        (rs6000_secondary_reload): Provide secondary reloads needed for
        wrapping LO_SUM addresses.

2013-02-06  Thomas Schwinge  <thomas@codesourcery.com>

        * config/gnu.h (GNU_USER_TARGET_OS_CPP_BUILTINS): Never define
        MACH, just __MACH__.

2013-02-06  Richard Biener  <rguenther@suse.de>

        * tracer.c (tracer): Mark loops with LOOPS_NEED_FIXUP
        instead of calling fix_loop_structure.

2013-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56217
        * omp-low.c (use_pointer_for_field): Return false if
        lower_send_shared_vars doesn't generate any copy-out code.

2013-02-06  Tom de Vries  <tom@codesourcery.com>

        PR rtl-optimization/56131
        * cfgrtl.c (delete_insn): Use NOTE_BASIC_BLOCK instead of BLOCK_FOR_INSN
        to get the bb of a NOTE_INSN_BASIC_BLOCK.  Handle the case that the bb
        of the label is NULL.  Add comment.

2013-02-05  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (struct tree_decl_with_vis): Remove thread_local field.

        PR sanitizer/55374
        * config/gnu-user.h (LIBTSAN_EARLY_SPEC): Define.
        (STATIC_LIBTSAN_LIBS): Likewise.
        * gcc.c (ADD_STATIC_LIBTSAN_LIBS, LIBTSAN_EARLY_SPEC): Define.
        (LIBTSAN_SPEC): Add ADD_STATIC_LIBTSAN_LIBS, if LIBTSAN_EARLY_SPEC
        is defined, don't add anything else beyond that.
        (SANITIZER_EARLY_SPEC, SANITIZER_SPEC): Define.
        (LINK_COMMAND_SPEC): Use them.

        PR tree-optimization/56205
        * tree-stdarg.c (check_all_va_list_escapes): Return true if
        there are any PHI nodes that set non-va_list_escape_vars SSA_NAME
        and some va_list_escape_vars SSA_NAME appears in some PHI argument.

2013-02-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/53342
        PR tree-optimization/53185
        * tree-vectorizer.h (vect_check_strided_load): Remove.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Do
        not disallow peeling for vectorized strided loads.
        (vect_check_strided_load): Make static and simplify.
        (vect_analyze_data_refs): Adjust.
        * tree-vect-stmts.c (vectorizable_load): Handle peeled loops
        correctly when vectorizing strided loads.

2013-02-05  Richard Biener  <rguenther@suse.de>

        * doc/install.texi: Refer to ISL, not PPL.

2013-02-05  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55789
        * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): Drop to 1.

2013-02-05  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55789
        * cgraphclones.c (cgraph_remove_node_and_inline_clones): Remove
        the dead call anyway.

2013-02-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR sanitizer/55374
        * config/gnu-user.h (LIBASAN_EARLY_SPEC): Add missing guard.

2013-02-04  Alexander Potapenko  <glider@google.com>
            Jack Howarth  <howarth@bromo.med.uc.edu>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/55617
        * config/darwin.c (sort_ctor_records): Stabilized qsort
        on constructor priority by using original position.
        (finalize_ctors): New routine to sort constructors by
        priority before use in assemble_integer.
        (machopic_asm_out_constructor): Use finalize_ctors if needed.

2013-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/54314
        * config/i386/winnt.c (i386_pe_assemble_visibility): Don't warn
        about visibility on artificial decls.
        * config/sol2.c (solaris_assemble_visibility): Likewise.

2013-02-04  Kai Tietz  <ktietz@redhat.com>

        PR target/56186
        * config/i386/i386.c (function_value_ms_64): Add additional valtype
        argument and improve checking of return-argument types for 16-byte
        modes.
        (ix86_function_value_1): Add additional valtype argument on call
        of function_value_64.
        (return_in_memory_ms_64): Sync 16-byte sized mode handling with
        handling infunction_value_64 function.

2013-02-04  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>

        * reload.c (subst_reloads): Fix DEBUG_RELOAD build issue.

2013-02-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56188
        * tree-ssa-structalias.c (label_visit): Consider case with
        initially non-empty points-to set.
        (perform_var_substitution): Dump node mapping and clean up.

2013-02-04  Richard Guenther  <rguenther@suse.de>

        PR lto/56168
        * lto-symtab.c (lto_symtab_merge_decls_1): Make non-builtin
        node prevail as last resort.
        (lto_symtab_merge_decls): Remove guard on LTRANS here.
        (lto_symtab_prevailing_decl): Builtins are their own prevailing decl.

2013-02-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56113
        * tree-ssa-structalias.c (equiv_class_lookup, equiv_class_add):
        Merge into ...
        (equiv_class_lookup_or_add): ... this.
        (label_visit): Adjust and fix error in previous patch.
        (perform_var_substitution): Adjust.

2013-02-03  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/divtab.c: Fix formatting and comments throughout the file.
        * config/sh/sh4-300.md: Likewise.
        * config/sh/sh4a.md: Likewise.
        * config/sh/constraints.md: Likewise.
        * config/sh/sh.md: Likewise.
        * config/sh/netbsd-elf.h: Likewise.
        * config/sh/predicates.md: Likewise.
        * config/sh/sh-protos.h: Likewise.
        * config/sh/ushmedia.h: Likewise.
        * config/sh/linux.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/superh.h: Likewise.
        * config/sh/elf.h: Likewise.
        * config/sh/sh4.md: Likewise.
        * config/sh/sh.h: Likewise.

2013-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/constraints.md: Adjust unused letters.  Change "T"
        constraint to match_test floating_point_store_memory_operand().
        * config/pa/predicates.md (reg_plus_base_memory_operand): New.
        (base14_operand): New.
        (floating_point_store_memory_operand): New.
        (integer_store_memory_operand): Revise to use base14_operand and
        reg_plus_base_memory_operand.
        (move_dest_operand): Allow symbolic_memory_operands.
        (symbolic_memory_operand): Check for LO_SOM.
        (symbolic_operand): Change default case to break.
        * config/pa/pa.md: Remove unamed DFmode and SFmode patterns to force
        CONST_DOUBLE values to be reloaded by putting them into memory when
        the destination is a floating point register.
        (movdf): Remove code to handle CONST_DOUBLE.
        (movsf): Likewise.
        (reload_indf_r1): New.
        (reload_insf_r1): New.
        Consistently use "Q" and "T" constraints with integer and floating
        point move instructions, respectively.
        (movdi): Remove FAIL.
        Change predicate for source operand unamed DImode move from
        general_operand to move_src_operand.
        (umulsidi3): Change predicate for destination operand to
        register_operand.
        Likewise for similar unamed patterns.
        * config/pa/pa-protos.h (pa_legitimize_reload_address): Declare.
        * config/pa/pa.c (pa_symbolic_expression_p): Remove extra parenthesis.
        (hppa_legitimize_address): Simplify mask calculation.
        (pa_emit_move_sequence): Revised handling of secondary reloads from
        REG+D addresses for floating point loads and stores.  Directly handle
        loading CONST0_RTX (mode) to a floating point register.
        (pa_secondary_reload): Handle reloading DF and SFmode constant values
        to floating point registers.  Don't restrict secondary reloads to
        floating point registers to integer modes.  Revise some comments and
        cleanup some code.
        (TARGET_LEGITIMATE_ADDRESS_P): Define.
        (pa_legitimate_address_p): New.
        (pa_legitimize_reload_address): New.
        * config/pa/pa.h (STRICT_REG_OK_FOR_INDEX_P): New.
        (STRICT_REG_OK_FOR_BASE_P): New.
        (GO_IF_LEGITIMATE_ADDRESS): Delete.  Update some related comments.
        (LEGITIMIZE_RELOAD_ADDRESS): Revise to use pa_legitimize_reload_address.

2013-02-03  David Edelsohn  <dje.gcc@gmail.com>
            Andrew Dixie  <andrewd@gentrack.com>

        * collect2.c (GCC_CHECK_HDR): Do not scan objects with F_LOADONLY
        flag set.

2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>

        * expmed.c (extract_bit_field_1): Pass the full width of the
        structure to get_best_reg_extraction_insn.

2013-02-01  David Edelsohn  <dje.gcc@gmail.com>

        PR target/54601
        * configure.ac (use_cxa_atexit): Add AIX.
        * configure: Regenerate.

        * config/rs6000/aix61.h (STARTFILE_SPEC): Add crtcxa.o.

2013-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/54793
        * final.c (need_profile_function): New variable.
        (final_start_function): Drop ATTRIBUTE_UNUSED from first argument.
        If first of NOTE_INSN_BASIC_BLOCK or NOTE_INSN_FUNCTION_BEG
        is only preceeded by NOTE_INSN_VAR_LOCATION or NOTE_INSN_DELETED
        notes, targetm.asm_out.function_prologue doesn't emit anything,
        HAVE_prologue and profiler should be emitted before prologue,
        set need_profile_function instead of emitting it.
        (final_scan_insn): If need_profile_function, emit
        profile_function on the first NOTE_INSN_BASIC_BLOCK or
        NOTE_INSN_FUNCTION_BEG note.

2013-02-01  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.md (smulditi3): New.
        (umulditi3): New.

        * config/alpha/alpha.md (umulditi3): New.

2013-02-01  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_COMMON): Use floor_log2.
        (ASM_OUTPUT_ALIGNED_LOCAL): New.

2013-02-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56113
        * tree-ssa-structalias.c (label_visit): Reduce work for
        single-predecessor nodes.

2013-02-01  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (make_range_step) <TRUTH_NOT_EXPR>: Bail out if the
        range isn't testing for zero.

2013-01-31  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/56113
        * fwprop.c (fwprop_init): Set up loops without CFG modifications.

2013-01-31  Hiroyuki Ono  <hiroyuki.ono.jc@renesas.com>
            Nick Clifton  <nickc@redhat.com>

        * config/v850/constraints.md (Q): Define as a memory constraint.
        * config/v850/predicates.md (label_ref_operand): New predicate.
        (e3v5_shift_operand): New predicate.
        (ior_operator): New predicate.
        * config/v850/t-v850: Add e3v5 multilib.
        * config/v850/v850-protos.h (v850_adjust_insn_length): Prototype.
        (v850_gen_movdi): Prototype.
        * config/v850/v850.c: Add support for e3v5 architecture.
        Rename all uses of TARGET_V850E || TARGET_V850E2_ALL to
        TARGET_V850E_UP.
        (construct_save_jarl): Add e3v5 long JARL support.
        (v850_adjust_insn_length): New function.  Adjust length of call
        insns when using e3v5 instructions.
        (v850_gen_movdi): New function: Generate instructions to move a
        DImode value.
        * config/v850/v850.h (TARGET_CPU_v850e3v5): Define.
        (CPP_SPEC): Define __v850e3v5__ as appropriate.
        (TARGET_USE_FPU): Enable for e3v5.
        (CONST_OK_FOR_W): New macro.
        (ADJUST_INSN_LENGTH): Define.
        * config/v850/v850.md (UNSPEC_LOOP): Define.
        (attr cpu): Add v850e3v5.
        Rename all uses of TARGET_V850E2 to TARGET_V850E2V3_UP.
        (movdi): New pattern.
        (movdi_internal): New pattern.
        (cbranchsf4): Conditionalize on TARGET_USE_FPU.
        (cbranchdf4): Conditionalize on TARGET_USE_FPU.
        (cstoresf4): Likewise.
        (cstoredf4): Likewise.
        (insv): New pattern.
        (rotlso3_a): New pattern.
        (rotlsi3_b): New pattern
        (rotlsi3_v850e3v5): New pattern.
        (doloop_begin): New pattern.
        (fix_loop_counter): New pattern.
        (doloop_end): New pattern.
        (branch_normal): Add e3v5 long branch support.
        (branch_invert): Likewise.
        (branch_z_normal): Likewise.
        (branch_z_invert): Likewise.
        (branch_nz_normal): Likewise.
        (branch_nz_invert): Likewise.
        (call_internal_short): Add e3v5 register-indirect JARL support.
        (call_internal_long): Likewise.
        (call_value_internal_short): Likewise.
        (call_value_internal_long): Likewise.
        * config/v850/v850.opt (mv850e3v5, mv850e2v4): New options.
        (mloop): New option.
        * config.gcc: Add support for configuring v840e3v5 target.
        * doc/invoke.texi: Document new v850 specific command line options.

2013-01-31  Paul Koning  <ni1d@arrl.net>

        PR debug/55059
        PR debug/54508
        * dwarf2out.c (prune_unused_types_mark): Mark all of parent's
        children if parent is a class.
        (prune_unused_types_prune): Don't add DW_AT_declaration.

2013-01-31  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56157
        * tree-vect-slp.c (vect_get_slp_defs): More thoroughly try to
        match up operand with SLP child.

2013-01-31  Jason Merrill  <jason@redhat.com>

        PR debug/54410
        * dwarf2out.c (gen_struct_or_union_type_die): Always schedule template
        parameters the first time.
        (gen_scheduled_generic_parms_dies): Check completeness here.

2013-01-31  Richard Biener  <rguenther@suse.de>

        PR middle-end/53073
        * common.opt (faggressive-loop-optimizations): New flag,
        enabled by default.
        * doc/invoke.texi (faggressive-loop-optimizations): Document.
        * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Guard
        infer_loop_bounds_from_undefined by it.

2013-01-31  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56150
        * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Do not
        visit virtual operands.
        (find_uses_to_rename_bb): Likewise.

2013-01-31  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56150
        * tree-ssa-tail-merge.c (gimple_equal_p): Properly handle
        mixed store non-store stmts.

2013-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/55374
        * gcc.c (LIBASAN_SPEC): Define just to ADD_STATIC_LIBASAN_LIBS if
        LIBASAN_EARLY_SPEC is defined.
        (LIBASAN_EARLY_SPEC): Define to empty string if not already defined.
        (LINK_COMMAND_SPEC): Add LIBASAN_EARLY_SPEC for -fsanitize=address,
        before %o.
        * config/gnu-user.h (LIBASAN_EARLY_SPEC): Define.

        PR c++/55742
        * config/i386/i386.c (ix86_valid_target_attribute_inner_p): Diagnose
        invalid args instead of ICEing on it.
        (ix86_valid_target_attribute_tree): Return error_mark_node if
        ix86_valid_target_attribute_inner_p failed.
        (ix86_valid_target_attribute_p): Return false only if
        ix86_valid_target_attribute_tree returned error_mark_node.  Allow
        target("default") attribute.
        (sorted_attr_string): Change argument from const char * to tree,
        merge in all target attribute arguments rather than just one.
        Formatting fix.  Use XNEWVEC instead of xmalloc and XDELETEVEC
        instead of free.  Avoid using strcat.
        (ix86_mangle_function_version_assembler_name): Mangle
        target("default") as if no target attribute is present.  Adjust
        sorted_attr_string caller.  Avoid leaking memory.  Use XNEWVEC
        instead of xmalloc and XDELETEVEC instead of free.
        (ix86_function_versions): Don't return true if one of the decls
        doesn't have target attribute.  If they don't and one of the decls
        is DECL_FUNCTION_VERSIONED, report an error.  Adjust
        sorted_attr_string caller.  Use XDELETEVEC instead of free.
        (ix86_supports_function_versions): Remove.
        (make_name): Fix up formatting.
        (make_dispatcher_decl): Remove resolver_name and its initialization.
        Avoid leaking memory.
        (is_function_default_version): Return true if there is
        target("default") attribute rather than no target attribute at all.
        (make_resolver_func): Avoid leaking memory.
        (ix86_generate_version_dispatcher_body): Likewise.
        (TARGET_OPTION_SUPPORTS_FUNCTION_VERSIONS): Remove.
        * target.def (supports_function_versions): Remove.
        * doc/tm.texi.in (SUPPORTS_FUNCTION_VERSIONS): Remove.
        * doc/tm.texi: Regenerated.

2013-01-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/56144
        * lra-constraints.c (get_reload_reg): Don't reuse reload pseudo
        for values with side effects.

2013-01-30  Richard Biener  <rguenther@suse.de>

        * sparseset.h (sparseset_bit_p): Use gcc_checking_assert.
        (sparseset_pop): Likewise.
        * cfganal.c (compute_idf): Likewise.  Increase work-stack size
        to be able to use quick_push in the worker loop.

2013-01-30  Marek Polacek  <polacek@redhat.com>

        * cfgcleanup.c (cleanup_cfg): Don't mark affected BBs.

2013-01-30  Richard Biener  <rguenther@suse.de>

        PR lto/56147
        * lto-symtab.c (lto_symtab_merge_decls_1): Guard DECL_BUILT_IN check.

2013-01-30  Georg-Johann Lay  <avr@gjlay.de>

        PR tree-optimization/56064
        * fixed-value.c (fixed_from_double_int): New function.
        * fixed-value.h (fixed_from_double_int): New prototype.
        (const_fixed_from_double_int): New static inline function.
        * fold-const.c (native_interpret_fixed): New static function.
        (native_interpret_expr) <FIXED_POINT_TYPE>: Use it.
        (can_native_interpret_type_p) <FIXED_POINT_TYPE>: Return true.
        (native_encode_fixed): New static function.
        (native_encode_expr) <FIXED_CST>: Use it.
        (native_interpret_int): Move double_int worker code to...
        * double-int.c (double_int::from_buffer): ...this new static method.
        * double-int.h (double_int::from_buffer): Prototype it.

2013-01-30  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (final_solutions, final_solutions_obstack):
        New pointer-map and obstack.
        (init_alias_vars): Allocate pointer-map and obstack.
        (delete_points_to_sets): Free them.
        (find_what_var_points_to): Cache result.
        (find_what_p_points_to): Adjust for changed interface of
        find_what_var_points_to.
        (compute_points_to_sets): Likewise.
        (ipa_pta_execute): Likewise.

2013-01-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (HAVE_AS_SPARC_NOBITS): New test.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/sparc/sparc.c (sparc_solaris_elf_asm_named_section): Emit
        #nobits/#progbits if supported.

2013-01-29  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/56121
        * config/sh/sh.md (bclr_m2a, bset_m2a, bst_m2a, bld_m2a, bldsign_m2a,
        bld_reg, *bld_regqi, band_m2a, bandreg_m2a, bor_m2a, borreg_m2a,
        bxor_m2a, bxorreg_m2a): Add satisfies_constraint_K03 condition.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/cortex-a7.md (cortex_a7_neon, cortex_a7_all): Remove.
        (cortex_a7_idiv): Use cortex_a7_both instead of cortex_a7_all.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm.c (cortexa7_younger): Return true for TYPE_CALL.
        * config/arm/cortex-a7.md (cortex_a7_call): Update required units.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm-protos.h (arm_mac_accumulator_is_result): New
        declaration.
        * config/arm/arm.c (arm_mac_accumulator_is_result): New function.
        * config/arm/cortex-a7.md: New bypasses using
        arm_mac_accumulator_is_result.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/cortex-a7.md (cortex_a7_neon_mul):  New reservation.
        (cortex_a7_neon_mla): Likewise.
        (cortex_a7_fpfmad): New reservation.
        (cortex_a7_fpmacs): Use ffmas and update required units.
        (cortex_a7_fpmuld): Update required units and latency.
        (cortex_a7_fpmacd): Likewise.
        (cortex_a7_fdivs, cortex_a7_fdivd): Likewise.
        (cortex_a7_neon). Likewise.
        (bypass) Update participating units.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm.md (type): Add ffmas and ffmad to "type" attribute.
        * config/arm/vfp.md (fma,fmsub,fnmsub,fnmadd): Change type
        from fmac to ffma.
        * config/arm/vfp11.md (vfp_farith): Use ffmas.
        (vfp_fmul): Use ffmad.
        * config/arm/cortex-r4f.md (cortex_r4_fmacs): Use ffmas.
        (cortex_r4_fmacd): Use ffmad.
        * config/arm/cortex-m4-fpu.md (cortex_m4_fmacs): Use ffmas.
        * config/arm/cortex-a9.md (cortex_a9_fmacs):  Use ffmas.
        (cortex_a9_fmacd): Use ffmad.
        * config/arm/cortex-a8-neon.md (cortex_a8_vfp_macs): Use ffmas.
        (cortex_a8_vfp_macd): Use ffmad.
        * config/arm/cortex-a5.md (cortex_a5_fpmacs): Use ffmas.
        (cortex_a5_fpmacd): Use ffmad.
        * config/arm/cortex-a15-neon.md (cortex_a15_vfp_macs) Use ffmas.
        (cortex_a15_vfp_macd): Use ffmad.
        * config/arm/arm1020e.md (v10_fmul): Use ffmas and ffmad.

2013-01-29  Jason Merrill  <jason@redhat.com>

        PR libstdc++/54314
        * varasm.c (default_assemble_visibility): Don't warn about
        visibility on artificial decls.

2013-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56113
        * tree-ssa-structalias.c (equiv_class_lookup): Also return
        the bitmap leader.
        (label_visit): Free duplicate bitmaps and record the leader instead.
        (perform_var_substitution): Adjust.

2013-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55270
        * tree-ssa-dom.c (eliminate_degenerate_phis): If we changed
        the CFG, schedule loops for fixup.

2013-01-29  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_regno_mode_code_ok_for_base_p): Allow
        SP_REG.

2013-01-28  Leif Ekblad  <leif@rdos.net>

        * config.gcc (i[34567]86-*-rdos*, x86_64-*-rdos*): New targets.
        * config/i386/i386.h (TARGET_RDOS): New macro.
        (DEFAULT_LARGE_SECTION_THRESHOLD): New macro.
        * config/i386/i386.c (ix86_option_override_internal): For 64bit
        TARGET_RDOS, set ix86_cmodel to CM_MEDIUM_PIC and flag_pic to 1.
        * config/i386/i386.opt (mlarge-data-threshold): Initialize to
        DEFAULT_LARGE_SECTION_THRESHOLD.
        * config/i386/i386.md (R14_REG, R15_REG): New constants.
        * config/i386/rdos.h: New file.
        * config/i386/rdos64.h: New file.

2013-01-28  Bernd Schmidt  <bernds@codesourcery.com>

        PR other/54814
        * reload.c (find_valid_class_1): Use in_hard_reg_set_p instead of
        TEST_HARD_REG_BIT.

2013-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/56117
        * sched-deps.c (sched_analyze_2) <case PREFETCH>: For use_cselib
        call cselib_lookup_from_insn on the MEM before calling
        add_insn_mem_dependence.

2013-01-28  Richard Biener  <rguenther@suse.de>

        * tree-inline.c (remap_gimple_stmt): Do not assing a BLOCK
        to a stmt that didn't have one.
        (copy_phis_for_bb): Likewise for PHI arguments.
        (copy_debug_stmt): Likewise for debug stmts.

2013-01-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56034
        * tree-loop-distribution.c (enum partition_kind): Add PKIND_REDUCTION.
        (partition_builtin_p): Adjust.
        (generate_code_for_partition): Handle PKIND_REDUCTION.  Assert
        it is the last partition.
        (rdg_flag_uses): Check SSA_NAME_IS_DEFAULT_DEF before looking
        up the vertex for the definition.
        (classify_partition): Classify whether a partition is a
        PKIND_REDUCTION, thus has uses outside of the loop.
        (ldist_gen): Inherit PKIND_REDUCTION when merging partitions.
        Merge all PKIND_REDUCTION partitions into the last partition.
        (tree_loop_distribution): Seed partitions from reductions as well.

2013-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56125
        * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize
        pow(x,c) into sqrt(x) * powi(x, n/2) or
        1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when
        optimizing for size.
        Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or
        1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an
        integer.

        PR tree-optimization/56094
        * gimplify.c (force_gimple_operand_1): Temporarily set input_location
        to UNKNOWN_LOCATION while gimplifying expr.

2013-01-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/56114
        * config/i386/i386.md (*movabs<mode>_1): Add square brackets around
        operand 0 in movabs insn template for -masm=intel asm alternative.
        (*movabs<mode>_2): Ditto for operand 1.

2013-01-26  David Holsgrove  <david.holsgrove@xilinx.com>

        PR target/54663
        * config.gcc (microblaze*-linux*): Add tmake_file to allow building
        of microblaze-c.o

2013-01-26  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config.gcc (microblaze*-*-*): Rename microblaze*-*-elf, update
        tm_file.

2013-01-25  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * config/aarch64/aarch64.c (TARGET_FIXED_CONDITION_CODE_REGS):
        Undef to avoid warning.

2013-01-25  Michael Haubenwallner  <michael.haubenwallner@salomon.at>

        * configure.ac (gcc_cv_ld_static_dynamic): Define for AIX native ld.
        * configure: Regenerate.

2013-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56098
        * tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
        for stmts with volatile ops.
        (cond_store_replacement): Don't optimize if assign has volatile ops.
        (cond_if_else_store_replacement_1): Don't optimize if either
        then_assign or else_assign have volatile ops.
        (hoist_adjacent_loads): Don't optimize if either def1 or def2 have
        volatile ops.

2013-01-25  Georg-Johann Lay  <avr@gjlay.de>

        * doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__.

2013-01-25  Georg-Johann Lay  <avr@gjlay.de>

        * doc/extend.texi (Example of asm with clobbered asm reg): Fix
        missing ':' in asm example.

2013-01-25  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/aarch64-simd-builtins.def: Separate sq<r>dmulh_lane
        entries into lane and laneq entries.
        * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_lane<mode>):
        Remove AdvSIMD scalar modes.
        (aarch64_sq<r>dmulh_laneq<mode>): New.
        (aarch64_sq<r>dmulh_lane<mode>): New RTL pattern for Scalar AdvSIMD
        modes.
        * config/aarch64/arm_neon.h: Fix all the vq<r>dmulh_lane* intrinsics'
        builtin implementations to relfect changes in RTL in aarch64-simd.md.
        * config/aarch64/iterators.md (VCOND): New.
        (VCONQ): New.

2013-01-25  Georg-Johann Lay  <avr@gjlay.de>

        PR target/54222
        * config/avr/builtins.def (DEF_BUILTIN): Add LIBNAME argument.
        Add NULL LIBNAME argument to existing definitions.
        (ABSHR, ABSR, ABSLR, ABSLLR, ABSHK, ABSK, ABSLK, ABSLLK): New.
        * config/avr/avr-c.c (DEF_BUILTIN): Add LIBNAME argument.
        * config/avr/avr.c (DEF_BUILTIN): Same.
        (avr_init_builtins): Pass down LIBNAME to add_builtin_function.
        (avr_expand_builtin): Expand to a vanilla call if a libgcc
        implementation is available (DECL_ASSEMBLER_NAME is set).
        (avr_fold_absfx): New static function.
        (avr_fold_builtin): Use it to handle: AVR_BUILTIN_ABSHR,
        AVR_BUILTIN_ABSR, AVR_BUILTIN_ABSLR, AVR_BUILTIN_ABSLLR,
        AVR_BUILTIN_ABSHK, AVR_BUILTIN_ABSK, AVR_BUILTIN_ABSLK,
        AVR_BUILTIN_ABSLLK.
        * config/avr/stdfix.h (abshr, absr, abslr, absllr)
        (abshk, absk, abslk, absllk): Provide as static inline functions.

2013-01-25  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/56035
        * cfgloopmanip.c (fix_loop_structure): Remove redundant condition.

2012-01-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative.
        (*movtf_internal_rex64): Add (!o,C) alternative
        (*movxf_internal_rex64): Ditto.
        (*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives.

2013-01-24  Shenghou Ma  <minux.ma@gmail.com>

        * doc/invoke.texi: fix typo.
        * doc/objc.texi: fix typo.

2013-01-24  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.md (*and<mode>3_mips16): Use the "W" constraint
        for the first two alternatives.

2013-01-24  Diego Novillo  <dnovillo@google.com>

        * Makefile.in (GGC): Remove.  Replace all instances with ggc-page.o.
        (ggc-zone.o): Remove.
        * configure.ac: Remove option --with-gc.
        * configure: Re-generate.
        * doc/install.texi: Remove documentation for --with-gc.
        * gengtype.c (write_enum_defn): Remove.  Update all users.
        (write_Types_process_field): Remove generation of gt_e_* argument.
        (output_type_enum): Remove.  Update all users.
        (write_enum_defn): Remove.  Update all users.
        (enum alloc_zone): Remove.  Update all users.
        (write_splay_tree_allocator_def): Remove generation of gt_e_* argument.
        * ggc-common.c (ggc_splay_alloc): Remove first argument.
        Update all callers.
        (struct ptr_data): Remove field TYPE.  Update all users.
        (gt_pch_note_object): Remove argument TYPE.  Update all users.
        * ggc-internal.h (ggc_pch_alloc_object): Remove last argument.
        Update all users.
        * ggc-none.c (ggc_alloc_typed_stat): Remove.
        (struct alloc_zone): Remove.
        (ggc_internal_alloc_zone_stat): Remove.
        (ggc_internal_cleared_alloc_zone_stat): Remove.
        * ggc-page.c (ggc_alloc_typed_stat): Remove.
        (ggc_pch_count_object): Remove last argument.  Update all users.
        (ggc_pch_alloc_object): Remove last argument.  Update all users.
        (struct alloc_zone): Remove.
        * ggc-zone.c: Remove.
        * ggc.h (gt_pch_note_object): Remove last argument.  Update all users.
        (struct alloc_zone): Remove.
        (ggc_alloc_typed_stat): Remove.
        (ggc_alloc_typed): Remove.
        (ggc_splay_alloc): Remove first argument.
        (rtl_zone): Remove.  Update all users.
        (tree_zone): Remove.  Update all users.
        (tree_id_zone): Remove.  Update all users.
        (ggc_internal_zone_alloc_stat): Remove.  Update all users.
        (ggc_internal_zone_cleared_alloc_stat): Remove.  Update all users.
        (ggc_internal_zone_vec_alloc_stat): Remove.  Update all users.
        * tree-ssanames.c: Remove references to zone allocator in comments.

2013-01-24  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.c (avr_out_fract): Make register numbers that
        might be outside of source operand signed.

2013-01-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/constraints.md (Yf): New constraint.
        * config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead
        of f constraint to conditionaly disable x87 register preferences.
        (*movdf_internal): Ditto.
        (*movsf_internal): Ditto.

2013-01-24  Steven Bosscher  <steven@gcc.gnu.org>

        PR inline-asm/55934
        * lra-assigns.c (assign_by_spills): Throw away the pattern of asms
        that have operands with impossible constraints.
        Add a FIXME for a speed-up opportunity.
        * lra-constraints.c (process_alt_operands): Verify that a class
        selected from constraints on asms is valid for the operand mode.
        (curr_insn_transform): Remove incorrect comment.

2013-01-23  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_delegitimize_address): Check that
        TOC operand is a valid symbol ref in the constant pool.

2013-01-23  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config/microblaze/linux.h: Add TARGET_OS_CPP_BUILTINS

2013-01-23  Georg-Johann Lay  <avr@gjlay.de>

        PR target/54222
        * config/avr/stdfix.h: New file.
        * t-avr (stdfix-gcc.h): New rule to build it.
        (EXTRA_HEADERS): Set it to install stdfix.h, stdfix-gcc.h.

2013-01-23  Kostya Serebryany  <kcc@google.com>

        * config/darwin.h: remove dependency on
        CoreFoundation (asan on Mac OS).

2013-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/49069
        * config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand
        instead of cmpdi_operand for first comparison operand.
        Don't assert that comparison operands aren't both constants.

2013-01-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/install.texi (Downloading the Source): Update references to
        downloading separate components.

2013-01-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/extend.texi (__int128): Improve grammar.

2013-01-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/56028
        * config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
        alternative to (o,r).
        (*movdi_internal_rex64): Remove (!o,n) alternative.
        (DImode immediate->memory splitter): Remove.
        (DImode immediate->memory peephole2): Remove.
        (movtf): Enable for TARGET_64BIT || TARGET_SSE.
        (*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
        alternative to (!o,*r).
        (*movtf_internal_sse): New pattern.
        (*movxf_internal_rex64): New pattern.
        (*movxf_internal): Disable for TARGET_64BIT.
        (*movdf_internal_rex64): Remove (!o,F) alternative.

2013-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56074
        * dumpfile.c (dump_loc): Only print loc if LOCATION_LOCUS (loc)
        isn't UNKNOWN_LOCATION nor BUILTINS_LOCATION.
        * tree-vect-loop-manip.c (find_loop_location): Also ignore
        stmt locations where LOCATION_LOCUS of the stmt location is
        UNKNOWN_LOCATION or BUILTINS_LOCATION.

        PR target/55686
        * config/i386/i386.md (UNSPEC_STOS): New.
        (strset_singleop, *strsetdi_rex_1, *strsetsi_1, *strsethi_1,
        *strsetqi_1): Add UNSPEC_STOS.

2013-01-22  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/56067
        * doc/invoke.texi: Remove left over -Wsynth example.

2013-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56051
        * fold-const.c (fold_binary_loc): Don't fold
        X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either
        a narrowing conversion, or widening conversion from signed
        to unsigned.

2013-01-21  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/56023
        * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
        dependent on debug instruction.

2013-01-21  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/56022
        * function.c (allocate_struct_function): Call
        invoke_set_current_function_hook earlier.

2013-01-21  Jakub Jelinek  <jakub@redhat.com>

        * reload1.c (init_reload): Only initialize reload_obstack
        during the first call.

2013-01-21  Marek Polacek  <polacek@redhat.com>

        * cfgloop.c (verify_loop_structure): Fix up grammar.

2013-01-21  Yi-Hsiu Hsu  <ahsu@marvell.com>

        * config/arm/marvell-pj4.md (pj4_shift_conds, pj4_alu_shift,
        pj4_alu_shift_conds, pj4_shift): Handle simple_alu_shift.

2013-01-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/56058
        * config/arm/marvell-pj4.md: Update copyright year.
        Fix up use of alu to alu_reg and simple_alu_imm.

2013-01-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA.

2013-01-20  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/55433
        * lra-constraints.c (curr_insn_transform): Don't reuse original
        insn for secondary memory move when memory mode should be different.

2013-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.md (atomic_loaddi, atomic_loaddi_1, atomic_storedi,
        atomic_storedi_1): New patterns.

2013-01-20  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        btver2 pipeline descriptions.
        * config/i386/i386.c: Enable CPU_BTVER2 to use btver2 pipeline
        descriptions.
        * config/i386/i386.md (btver2_decode): New type attributes.
        * config/i386/sse.md (btver2_decode, btver2_sse_attr): New
        type attributes.
        * config/i386/btver2.md: New file describing btver2 pipelines.

2013-01-19  Andrew Pinski  <apinski@cavium.com>

        PR tree-optimization/52631
        * tree-ssa-sccvn (visit_use): Before looking up the original
        statement, try looking up the simplified expression.

2013-01-19  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.c (moxie_expand_prologue): Set
        current_function_static_stack_size.

2013-01-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56029
        * tree-phinodes.c (reserve_phi_args_for_new_edge): Set
        gimple_phi_arg_location for the new arg to UNKNOWN_LOCATION.

2013-01-18  Sharad Singhai  <singhai@google.com>

        PR tree-optimization/55995
        * dumpfile.c (dump_loc): Print location only if available.
        * tree-vectorizer.c (increase_alignment): Intialize vect_location.

2013-01-18  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/55433
        * lra-constraints.c (curr_insn_transform): Reuse original insn for
        secondary memory move.
        (inherit_reload_reg): Use rclass instead of cl for
        check_secondary_memory_needed_p.

2013-01-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56015
        * expr.c (expand_expr_real_2) <case COMPLEX_EXPR>: Handle
        the case where writing real complex part of target modifies op1.

2013-01-18  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_vcond_internal<mode>): Handle unordered cases.
        * config/aarch64/iterators.md (v_cmp_result): New.

2013-01-18  Yi-Hsiu Hsu  <ahsu@marvell.com>
            Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/marvell-pj4.md: New file.
        * config/arm/arm.c (arm_issue_rate): Add marvell_pj4.
        * config/arm/arm.md (generic_sched): Add marvell_pj4.
        (generic_vfp): Likewise.
        * config/arm/arm-cores.def: Add marvell-pj4.
        * config/arm/arm-tune.md: Regenerate.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Add marvell_pj4.
        * doc/invoke.texi: Document marvell-pj4.

2013-01-18  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/arm_neon.h: Map scalar types to standard types.

2013-01-18  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/54114
        PR debug/54402
        PR debug/49888
        * var-tracking.c (negative_power_of_two_p): New.
        (global_get_addr_cache, local_get_addr_cache): New.
        (get_addr_from_global_cache, get_addr_from_local_cache): New.
        (vt_canonicalize_addr): Rewrite using the above.  Adjust the
        heading comment.
        (vt_stack_offset_p): Remove.
        (vt_canon_true_dep): Always canonicalize loc's address.
        (clobber_overlapping_mems): Make sure we have a MEM.
        (local_get_addr_clear_given_value): New.
        (val_reset): Clear local cached entries.
        (compute_bb_dataflow): Create and release the local cache.
        Disable duplicate MEMs clobbering.
        (emit_notes_in_bb): Clobber MEMs likewise.
        (vt_emit_notes): Create and release the local cache.
        (vt_initialize, vt_finalize): Create and release the global
        cache, respectively.
        * alias.c (rtx_equal_for_memref_p): Compare operands of ENTRY_VALUEs.

2013-01-18  Alexandre Oliva  <aoliva@redhat.com>

        PR libmudflap/53359
        * tree-mudflap.c (mudflap_finish_file): Skip deferred decls
        not found in the symtab.

2013-01-18  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/56006
        PR rtl-optimization/55547
        PR rtl-optimization/53827
        PR debug/53671
        PR debug/49888
        * alias.c (offset_overlap_p): New, factored out of...
        (memrefs_conflict_p): ... this.  Use absolute sizes.  Retain
        the conservative special case for symbolic constants.  Don't
        adjust zero sizes on alignment.

2013-01-18  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/52573
        * regrename.c (build_def_use): Ignore REG_DEAD notes if there is a
        REG_UNUSED for the same register.

2013-01-17  Richard Biener  <rguenther@suse.de>
            Marek Polacek  <polacek@redhat.com>

        PR rtl-optimization/55833
        * loop-unswitch.c (unswitch_loops): Move loop verification...
        (unswitch_single_loop): ...here.  Call mark_irreducible_loops.
        * cfgloopmanip.c (fix_loop_placement): Add IRRED_INVALIDATED parameter.
        Set it to true when we're removing a loop from hierarchy tree in
        an irreducible region.
        (fix_bb_placements): Adjust caller.
        (fix_loop_placements): Likewise.

2013-01-17  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/builtins.def (DEF_BUILTIN): Factor out
        "__builtin_avr_" from NAME, turn NAME to an uppercase identifier.
        Factor out 'CODE_FOR_' from ICODE, use 'nothing' instead of '-1'.
        Remove ID.  Adjust comments.
        * config/avr/avr-c.c (avr_builtin_name): Remove.
        (avr_cpu_cpp_builtins): Use DEF_BUILTIN instead of for-loop.
        * config/avr/avr.c (avr_tolower): New static function.
        (DEF_BUILTIN): Remove parameter ID.  Prefix ICODE by 'CODE_FOR_'.
        Stringify NAME, prefix it with "__builtin_avr_" and lowercase it.
        (avr_expand_builtin): Assert insn_code != CODE_FOR_nothing for
        default expansion.

2013-01-17  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55273
        * loop-iv.c (iv_number_of_iterations): Consider zero iteration case.

2013-01-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/55981
        * config/i386/sync.md (atomic_store<mode>): Always generate SWImode
        store through atomic_store<mode>_1.
        (atomic_store<mode>_1): Macroize insn using SWI mode iterator.

2013-01-17  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimizations/55264
        * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
        for virtual methods.
        * ipa.c (symtab_remove_unreachable_nodes): Never return true for
        virtual methods before inlining is over.
        * cgraph.h (cgraph_only_called_directly_or_aliased_p): Return false for
        virtual functions.
        * cgraphclones.c (cgraph_create_virtual_clone): Mark clones as
        non-virtual.

2013-01-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/56005
        * sched-deps.c (sched_analyze_2): Check deps->readonly for adding
        pending reads for prefetch.

2013-01-16  Ian Bolton  <ian.bolton@arm.com>

        * config/aarch64/aarch64.md
        (*cstoresi_neg_uxtw): New pattern.
        (*cmovsi_insn_uxtw): New pattern.
        (*<optab>si3_uxtw): New pattern.
        (*<LOGICAL:optab>_<SHIFT:optab>si3_uxtw): New pattern.
        (*<optab>si3_insn_uxtw): New pattern.
        (*bswapsi2_uxtw): New pattern.

2013-01-16  Richard Biener  <rguenther@suse.de>

        * tree-inline.c (tree_function_versioning): Remove set but
        never used variable.

2013-01-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55964
        * tree-flow.h (rename_variables_in_loop): Remove.
        (rename_variables_in_bb): Likewise.
        * tree-loop-distribution.c (update_phis_for_loop_copy): Remove.
        (copy_loop_before): Adjust and delete update-ssa status.
        * tree-vect-loop-manip.c (rename_variables_in_bb): Make static.
        (rename_variables_in_bb): Likewise.  Properly walk over predecessors.
        (rename_variables_in_loop): Remove.
        (slpeel_update_phis_for_duplicate_loop): Likewise.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Handle nested loops,
        use available cfg machinery instead of duplicating it.
        Update PHI nodes and perform poor-mans SSA update here.
        (slpeel_tree_peel_loop_to_edge): Adjust.

2013-01-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/54767
        PR tree-optimization/53465
        * tree-vrp.c (vrp_meet_1): Revert original fix for PR53465.
        (vrp_visit_phi_node): For PHI arguments coming via backedges
        drop all symbolical range information.
        (execute_vrp): Compute backedges.

2013-01-16  Richard Biener  <rguenther@suse.de>

        * doc/install.texi: Update CLooG and ISL requirements to
        0.18.0 and 0.11.1.

2013-01-16  Christian Bruel  <christian.bruel@st.com>

        PR target/55301
        * config/sh/sh.c (sh_expand_prologue): Postpone new_stack mem symbol.
        (broken_move): Handle UNSPECV_SP_SWITCH_B.
        * config/sh/sh.md (sp_switch_1): Use set (reg:SI SP_REG).

2013-01-16  DJ Delorie  <dj@redhat.com>

        * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
        (UNSPECV_SP_SWITCH_E): New.
        (sp_switch_1): Change to an unspec.
        (sp_switch_2): Change to an unspec.  Don't use post-inc when we
        replace $r15.

2013-01-16  Uros Bizjak  <ubizjak@gmail.com>

        * emit-rtl.c (need_atomic_barrier_p): Mask memory model argument
        with MEMMODEL_MASK before comparing with MEMMODEL_* memory types.
        * optabs.c (maybe_emit_sync_lock_test_and_set): Ditto.
        (expand_mem_thread_fence): Ditto.
        (expand_mem_signal_fence): Ditto.
        (expand_atomic_load): Ditto.
        (expand_atomic_store): Ditto.

2013-01-16  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/55547
        PR rtl-optimization/53827
        PR debug/53671
        PR debug/49888
        * alias.c (memrefs_conflict_p): Set sizes to negative after
        AND adjustments.

2013-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/55940
        * function.c (thread_prologue_and_epilogue_insns): Always
        add crtl->drap_reg to set_up_by_prologue.set, even if
        stack_realign_drap is false.

2013-01-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * config/vax/vax.md (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3,
        and<mode>3, *and<mode>_const_int, ior<mode>3, xor<mode>3, ashrsi3,
        *call): Fix indention.

2013-01-15  Tom de Vries  <tom@codesourcery.com>

        PR target/55876
        * optabs.c (widen_operand): Use gen_lowpart instead of gen_rtx_SUBREG.
        Update comment.

2013-01-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/55153
        * sched-deps.c (sched_analyze_2): Add pending reads for prefetch.

2013-01-15  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/55920
        * tree-sra.c (analyze_access_subtree): Do not mark non-removable
        accesses as grp_to_be_debug_replaced.

2013-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55920
        * tree-sra.c (sra_modify_assign): If for lacc->grp_to_be_debug_replaced
        there is non-useless type conversion needed from debug rhs to lhs,
        use build_debug_ref_for_model and/or VIEW_CONVERT_EXPR.

2013-01-15  Joseph Myers  <joseph@codesourcery.com>
            Mikael Pettersson  <mikpe@it.uu.se>

        PR target/43961
        * config/arm/arm.h (ADDR_VEC_ALIGN): Align SImode jump tables for
        Thumb.
        (ASM_OUTPUT_CASE_LABEL): Remove.
        (ASM_OUTPUT_BEFORE_CASE_LABEL): Define to empty.
        * final.c (shorten_branches): Update alignment of labels before
        jump tables if CASE_VECTOR_SHORTEN_MODE.

2013-01-15  Richard Biener  <rguenther@suse.de>

        PR bootstrap/55961
        * system.h: Do not include gmp.h for building host tools.

2013-01-15  Richard Biener  <rguenther@suse.de>

        PR middle-end/55882
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
        account for bitpos when computing alignment.

2013-01-15  Vladimir Yakovlev  <vladimir.b.yakovlev@intel.com>

        * config/i386/i386-c.c (ix86_target_macros_internal): New case.
        (ix86_target_macros_internal): Likewise.

        * config/i386/i386.c (m_CORE2I7): Removed.
        (m_CORE_HASWELL): New macro.
        (m_CORE_ALL): Likewise.
        (initial_ix86_tune_features): m_CORE2I7 is replaced by m_CORE_ALL.
        (initial_ix86_arch_features): Likewise.
        (processor_target_table): Initializations for Core avx2.
        (cpu_names): New names "core-avx2".
        (ix86_option_override_internal): Changed PROCESSOR_COREI7 by
        PROCESSOR_CORE_HASWELL.
        (ix86_issue_rate): New case.
        (ia32_multipass_dfa_lookahead): Likewise.
        (ix86_sched_init_global): Likewise.

        * config/i386/i386.h (TARGET_HASWELL): New macro.
        (target_cpu_default): New TARGET_CPU_DEFAULT_haswell.
        (processor_type): New PROCESSOR_HASWELL.

2013-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55955
        * tree-vect-loop.c (vectorizable_reduction): Give up early on
        *SHIFT_EXPR and *ROTATE_EXPR codes.

        PR tree-optimization/48766
        * opts.c (common_handle_option): For -fwrapv disable -ftrapv, for
        -ftrapv disable -fwrapv.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

        PR target/55974
        * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
        etc. to 1 and not to __flash.
        Use LL suffix for __INT24_MAX__ with -mint8.
        Use ULL suffix for __UINT24_MAX__ with -mint8.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-arch.h
        (struct base_arch_s): Use typedef avr_arch_t instead.
        (struct arch_info_s): Use typedef avr_arch_info_t instead.
        (struct mcu_type_s): Use typedef avr_mcu_t instead.
        * config/avr/avr.c: Same.
        * config/avr/avr-devices.c: Same.
        * config/avr/driver-avr.c: Same.
        * config/avr/gen-avr-mmcu-texi.c: Same.
        * config/avr/avr-mcus.def: Adjust comment.

2013-01-14  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/aarch64-simd.md (*aarch64_simd_ld1r<mode>): New.
        * config/aarch64/iterators.md (VALLDI): New.

2013-01-14  Uros Bizjak  <ubizjak@gmail.com>
            Andi Kleen  <ak@linux.intel.com>

        PR target/55948
        * config/i386/sync.md (atomic_store<mode>_1): New pattern.
        (atomic_store<mode>): Call atomic_store<mode>_1 for IX86_HLE_RELEASE
        memmodel flag.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-stdint.h: Remove trailing blanks.
        * config/avr/avr-log.h: Same.
        * config/avr/avr-arch.h: Same.
        * config/avr/avr-devices.c: Same.
        * config/avr/avr-dimode.md: Same.
        * config/avr/predicates.md: Same.
        * config/avr/avr-c.c: Same.  And fix typo.

        * config/avr/avr-protos.h: Same.  And:
        (function_arg_regno_p): Rename to avr_function_arg_regno_p.
        (init_cumulative_args): Rename to avr_init_cumulative_args.
        (expand_prologue): Rename to avr_expand_prologue.
        (expand_epilogue): Rename to avr_expand_epilogue.
        (adjust_insn_length): Rename to avr_adjust_insn_length.
        (notice_update_cc): Rename to avr_notice_update_cc.
        (final_prescan_insn): Rename to avr_final_prescan_insn.
        * config/avr/avr.c: Same.
        * config/avr/avr.h: Same.
        * config/avr/avr.md: Remove trailing blanks.
        (prologue): Use avr_expand_prologue.
        (epilogue, sibcall_epilogue): Use avr_expand_epilogue.

2013-01-14  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (verify_expr_location, verify_expr_location_1,
        verify_location, collect_subblocks): New functions.
        (verify_gimple_in_cfg): Verify that locations only reference
        BLOCKs in the functions BLOCK tree.

2013-01-14  Richard Biener  <rguenther@suse.de>

        * tree-cfgcleanup.c (remove_forwarder_block): Unshare propagated
        PHI argument.
        * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Properly
        unshare reference.
        (insert_out_of_ssa_copy_on_edge): Likewise.
        (rewrite_close_phi_out_of_ssa): Likewise.
        * tree-ssa.c (insert_debug_temp_for_var_def): Properly unshare
        debug expressions.
        * tree-ssa-pre.c (insert_into_preds_of_block): Properly unshare
        propagated constants.
        * tree-cfg.c (tree_node_can_be_shared): Handled component-refs
        can not be shared.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-modes.def: Add GPL copyright notice.

2013-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sync.md (mem_thread_fence): Mask operands[0] with
        MEMMODEL_MASK to determine memory model.
        (atomic_store<mode>): Ditto from operands[2].
        * config/i386/i386.c (ix86_memmodel_check): Declare "strong" as bool.

2013-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/55935
        * gimple-fold.c (get_symbol_constant_value): Call unshare_expr.
        (fold_gimple_assign): Don't call unshare_expr here.
        (fold_ctor_reference): Call unshare_expr.

2013-01-13  Terry Guo  <terry.guo@arm.com>

        * Makefile.in (s-mlib): New argument MULTILIB_REUSE.
        * doc/fragments.texi: Document MULTILIB_REUSE.
        * gcc.c (multilib_reuse): New internal spec.
        (set_multilib_dir): Also search multilib from multilib_reuse.
        * genmultilib (tmpmultilib3): Refactor code.
        (tmpmultilib4): Ditto.
        (multilib_reuse): New multilib argument.

2013-01-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in: Update copyright.

2013-01-12  Tom de Vries  <tom@codesourcery.com>

        PR middle-end/55890
        * calls.c (expand_call): Check if arg_nr is valid.

2013-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * doc/extend.texi (X86 Built-in Functions): Add whitespace in
        __builtin_ia32_paddb256 and __builtin_ia32_pavgb256
        documentation.  Add missing '__' in front of
        __builtin_ia32_packssdw256.

2013-01-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR target/55719
        * config/s390/s390.c (s390_preferred_reload_class): Do not return
        NO_REGS for larl operands.
        (s390_reload_larl_operand): Use s390_load_address instead of
        emit_move_insn.

2013-01-11  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (verify_node_sharing_1): Split out from ...
        (verify_node_sharing): ... here.
        (verify_gimple_in_cfg): Use verify_node_sharing_1 for walk_tree.

2013-01-11  Eric Botcazou  <ebotcazou@adacore.com>

        * configure.ac (Tree checking): Set TREECHECKING to yes if enabled.
        Substitute TREECHECKING.
        * configure: Regenerate.
        * Makefile.in (TREECHECKING): New.

2013-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44061
        * tree-vrp.c (extract_range_basic): Compute zero as
        value-range for __builtin_constant_p of function parameters.

2013-01-10  Richard Sandiford  <rdsandiford@googlemail.com>

        Update copyright years.

2013-01-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/55672
        * lra-eliminations.c (mark_not_eliminable): Permit addition with
        const to be eliminable.

2013-01-10  David Edelsohn  <dje.gcc@gmail.com>

        * configure.ac (HAVE_AS_TLS): Add check for powerpc-ibm-aix.
        * configure: Regenerate.

2013-01-10  Richard Biener  <rguenther@suse.de>

        * builtins.c (expand_builtin_init_trampoline): Use set_mem_attributes.

2013-01-10  Richard Biener  <rguenther@suse.de>

        PR bootstrap/55792
        * tree-into-ssa.c (rewrite_add_phi_arguments): Do not set
        locations for virtual PHI arguments.
        (rewrite_update_phi_arguments): Likewise.

2013-01-10  Joel Sherrill  <joel.sherrill@OARcorp.com>

        * config/v850/rtems.h (ASM_SPEC): Pass -m8byte-align and -mgcc-abi
        on to assembler.

2013-01-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55921
        * tree-complex.c (expand_complex_asm): New function.
        (expand_complex_operations_1): Call it for GIMPLE_ASM.

2013-01-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR target/55718
        * config/s390/s390.c (s390_symref_operand_p)
        (s390_loadrelative_operand_p): Merge the two functions.
        (s390_check_qrst_address, print_operand_address): Add parameters
        to s390_loadrelative_operand_p invokation.
        (s390_check_symref_alignment): Use s390_loadrelative_operand_p.
        (s390_reload_larl_operand, s390_secondary_reload): Use
        s390_loadrelative_operand_p instead of s390_symref_operand_p.
        (legitimize_pic_address): Handle @GOTENT and @PLT + addend.

2013-01-09  Mike Stump  <mikestump@comcast.net>

        * dse.c (record_store): Remove unnecessary assert.

2013-01-09  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55569
        * cfgloopmanip.c (scale_loop_profile): Make ITERATION_BOUND gcov_type.
        * cfgloop.h (scale_loop_profile): Likewise.

2013-01-09  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * ipa-inline.c (ipa_inline): Remove extern inlines and virtual
        functions.
        * cgraphclones.c (cgraph_clone_node): Cpoy also LTO file data.

2013-01-09  Richard Sandiford  <rdsandiford@googlemail.com>

        PR middle-end/55114
        * expr.h (maybe_emit_group_store): Declare.
        * expr.c (maybe_emit_group_store): New function.
        * builtins.c (expand_builtin_int_roundingfn): Call it.
        (expand_builtin_int_roundingfn_2): Likewise.

2013-01-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/55829
        * lra-constraints.c (match_reload): Add code for absent output.
        (curr_insn_transform): Add code for reloads of matched inputs
        without output.

2013-01-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*vec_interleave_highv2df): Change mode
        attribute of movddup insn to DF.
        (*vec_interleave_lowv2df): Ditto.
        (vec_dupv2df): Ditto.

2013-01-09  Jan Hubicka  <jh@suse.cz>

        PR tree-optimiation/55875
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Add
        EVERY_ITERATION parameter.
        (number_of_iterations_exit): Check if exit is executed every iteration.
        (idx_infer_loop_bounds): Similarly here.
        (n_of_executions_at_most): Simplify
        to only test for cases where statement is dominated by the
        particular bound; handle correctly the "postdominance" test.
        (scev_probably_wraps_p): Use max loop iterations info
        as a global bound first.

2013-01-09  Nguyen Duy Dat  <dat.nguyen.yn@rvc.renesas.com>
            Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.md (cbranchsf4): New pattern.
        (cstoresf4): New pattern.
        (cbranchdf4): New pattern.
        (cstoredf4): New pattern.
        (movsicc): Disallow floating point comparisons.
        (cmpsf_le_insn): Fix order of operators.
        (cmpsf_lt_insn): Likewise.
        (cmpsf_eq_insn): Likewise.
        (cmpdf_le_insn): Likewise.
        (cmpdf_lt_insn): Likewise.
        (cmpdf_eq_insn): Likewise.
        (cmpsf_ge_insn): Use LE comparison.
        (cmpdf_ge_insn): Likewise.
        (cmpsf_gt_insn): Use LT comparison.
        (cmpdf_gt_insn): Likewise.
        (cmpsf_ne_insn): Delete pattern.
        (cmpdf_ne_insn): Delete pattern.
        * config/v850/v850.c (v850_gen_float_compare): Use
        gen_cmpdf_eq_insn for NE comparison.
        (v850_float_z_comparison_operator)
        (v850_float_nz_comparison_operator): Move from here ...
        * config/v850/predicates.md: ... to here.  Move GT and GE
        comparisons into v850_float_z_comparison_operator.
        * config/v850/v850-protos.h (v850_float_z_comparison_operator):
        Delete prototype.
        (v850_float_nz_comparison_operator): Likewise.

2013-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.c (pa_emit_move_sequence): Replace calls to gen_insv
        with calls to gen_insvsi/gen_insvdi.

2013-01-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * config/i386/i386.c (initial_ix86_tune_features): Set up
        X86_TUNE_AVX128_OPTIMAL for m_BTVER2.

2013-01-09  Steven Bosscher  <steven@gcc.gnu.org>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48189
        * predict.c (predict_loops): If max is 0, don't call compare_tree_int.
        If nitercst is 0, don't predict the exit edge.

2013-01-08  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * config/aarch64/aarch64.c (aarch64_print_operand): Replace %r
        in asm_fprintf with reg_names.
        (aarch64_print_operand_address): Likewise.
        (aarch64_return_addr): Likewise.
        * config/aarch64/aarch64.h (ASM_FPRINTF_EXTENSIONS): Remove.

2013-01-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.h (VAL_U6_BITS_P): Define.
        (INT_U6_BITS): Likewise.
        * config/pa/predicates.md (uint6_operand): New predicate.
        (shift5_operand, shift6_operand): Likewise.
        * config/pa/pa.md (lshrsi3, rotrsi3): Use shift5_operand instead of
        arith32_operand.
        (lshrdi3): Use shift6_operand.
        (shrpsi4, shrpdi4): New insn patterns.
        (extzv): Delete expander.
        (extzvsi, extzvdi): New expanders.  Use uint5_operand and uint6_operand
        predicates in unamed zero extract patterns.  Tighten common constraint.
        (extv): Delete expander.
        (extvsi, extvdi): New expanders.  Use uint5_operand and uint6_operand
        predicates in unamed sign extract patterns.  Tighten common constraint.
        (insv): Delete expander.
        (insvsi, insvdi): New expanders.  Use uint5_operand and uint6_operand
        predicates in unamed insert patterns.  Tighten common constraint.
        Change uint32_operand predicate to uint6_operand predicate in unamed
        DImode pattern to insert constant values of type 1...1xxxx.

2013-01-04  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55823
        * ipa-prop.c (update_indirect_edges_after_inlining): Fix ordering
        issue.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>
            Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/55845
        * df-problems.c (can_move_insns_across): Stop scanning at
        volatile_insn_p source instruction or give up if
        across_from .. across_to range contains any volatile_insn_p
        instructions.

2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/aarch64-simd.md (vec_init<mode>): New.
        * config/aarch64/aarch64-protos.h (aarch64_expand_vector_init):
        Declare.
        * config/aarch64/aarch64.c (aarch64_simd_dup_constant,
        aarch64_simd_make_constant, aarch64_expand_vector_init): New.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/55341
        * asan.c (asan_clear_shadow): New function.
        (asan_emit_stack_protection): Use it.

2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_simd_vec_<su>mult_lo_<mode>,
        aarch64_simd_vec_<su>mult_hi_<mode>): Separate instruction and operand
        with tab instead of space.

2013-01-08  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_expand_prologue): Always select
        register bank 0 at the start of an interrupt handler.
        * config/rl78/rl78.md (mulsi3_g13): Correct values for MDBL and
        MDBH registers.

2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_simd_bsl<mode>_internal): Add floating-point modes.
        (aarch64_simd_bsl): Likewise.
        (aarch64_vcond_internal<mode>): Likewise.
        (vcond<mode><mode>): Likewise.
        (aarch64_cm<cmp><mode>): Fix constraints, add new modes.
        * config/aarch64/iterators.md (V_cmp_result): Add V2DF.

2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-builtins.c
        (aarch64_builtin_vectorized_function): Handle sqrt, sqrtf.

2013-01-08  Martin Jambor  <mjambor@suse.cz>

        PR debug/55579
        * tree-sra.c (analyze_access_subtree): Return true also after
        potentially creating a debug-only replacement.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/55890
        * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_p.

        PR tree-optimization/54120
        * tree-vrp.c (range_fits_type_p): Don't allow
        src_precision < precision from signed vr to unsigned_p
        if vr->min or vr->max is negative.
        (simplify_float_conversion_using_ranges): Test can_float_p
        against CODE_FOR_nothing.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenther@suse.de>

        PR middle-end/55851
        * fold-const.c (int_binop_types_match_p): Allow all INTEGRAL_TYPE_P
        types instead of just INTEGER_TYPE types.

2013-01-07  Mark Kettenis  <kettenis@openbsd.org>

        * config/i386/openbsdelf.h (LIBGCC2_HAS_TF_MODE, LIBGCC2_TF_CEXT,
        TF_SIZE): Define.

2013-01-07  Steve Ellcey  <sellcey@mips.com>

        PR target/42661
        * config/mips/mips.opt: Change mad to mmad to match documentation.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        PR target/55897
        * doc/extend.texi (AVR Named Address Spaces): __memx goes into
        .progmemx.data now.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        PR target/55897
        * config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
        (avr_addrspace_t): Add .section_name field.
        * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
        array size.
        (avr_addrspace): Same.  Initialize .section_name.  Remove last
        NULL entry.  Put __memx into .progmemx.data.
        (progmem_section_prefix): Remove.
        (avr_asm_init_sections): No need to initialize progmem_section.
        (avr_asm_named_section): Use avr_addrspace[].section_name to get
        section name prefix.
        (avr_asm_select_section): Ditto.  And use get_unnamed_section to
        retrieve the progmem section.
        * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
        boundary to run over avr_addrspace[].
        (avr_register_target_pragmas): Ditto.

2013-01-06  Jakub Jelinek  <jakub@redhat.com>

        * varasm.c (output_constant_def_contents): For asan_protect_global
        protected strings, adjust DECL_ALIGN if needed, before testing for
        anchored symbols.
        (place_block_symbol): Adjust size for asan protected STRING_CSTs if
        TREE_CONSTANT_POOL_ADDRESS_P.  Increase alignment for asan protected
        normal decls.
        (output_object_block): For asan protected decls, emit asan padding
        after their contents.
        * asan.c (asan_protect_global): Don't check TREE_ASM_WRITTEN here.
        (asan_finish_file): Test it here instead.

2013-01-07  Nick Clifton  <nickc@redhat.com>
            Matthias Klose  <doko@debian.org>
            Doug Kwan  <dougkwan@google.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/55470
        * collect2.c (main): Support -fuse-ld=bfd and -fuse-ld=gold.

        * common.opt: Add fuse-ld=bfd and fuse-ld=gold.

        * gcc.c (LINK_COMMAND_SPEC): Pass -fuse-ld=* to collect2.

        * opts.c (comman_handle_option): Ignore -fuse-ld=bfd and -fuse-ld=gold.

        * doc/invoke.texi: Document -fuse-ld=bfd and -fuse-ld=gold.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        PR target/54461
        * doc/install.texi (Cross-Compiler-Specific Options): Document
        --with-avrlibc.

2013-01-07  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/arm_neon.h (vmovn_high_is16, vmovn_high_s32,
        vmovn_high_s64, vmovn_high_u16, vmovn_high_u32, vmovn_high_u64,
        vqmovn_high_s16, vqmovn_high_s32, vqmovn_high_s64, vqmovn_high_u16,
        vqmovn_high_u32, vqmovn_high_u64, vqmovun_high_s16, vqmovun_high_s32,
        vqmovun_high_s64): Fix source operand number and update copyright.

2013-01-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/55890
        * gimple.h (gimple_call_builtin_p): New overload.
        * gimple.c (validate_call): New function.
        (gimple_call_builtin_p): Likewise.
        * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
        Use gimple_call_builtin_p.
        (find_func_clobbers): Likewise.
        * tree-ssa-strlen.c (adjust_last_stmt): Likewise.
        (strlen_optimize_stmt): Likewise.

2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/arm_neon.h (vld1_dup_*): Make argument const.
        (vld1q_dup_*): Likewise.
        (vld1_*): Likewise.
        (vld1q_*): Likewise.
        (vld1_lane_*): Likewise.
        (vld1q_lane_*): Likewise.

2013-01-07  Richard Biener  <rguenther@suse.de>

        * lto-streamer.h (LTO_minor_version): Bump to 2.

2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-protos.h
        (aarch64_const_double_zero_rtx_p): Rename to...
        (aarch64_float_const_zero_rtx_p): ...this.
        (aarch64_float_const_representable_p): New.
        (aarch64_output_simd_mov_immediate): Likewise.
        * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>): Refactor
        move immediate case.
        * config/aarch64/aarch64.c
        (aarch64_const_double_zero_rtx_p): Rename to...
        (aarch64_float_const_zero_rtx_p): ...this.
        (aarch64_print_operand): Allow printing of new constants.
        (aarch64_valid_floating_const): New.
        (aarch64_legitimate_constant_p): Check for valid floating-point
        constants.
        (aarch64_simd_valid_immediate): Likewise.
        (aarch64_vect_float_const_representable_p): New.
        (aarch64_float_const_representable_p): Likewise.
        (aarch64_simd_imm_zero_p): Also allow for floating-point 0.0.
        (aarch64_output_simd_mov_immediate): New.
        * config/aarch64/aarch64.md (*movsf_aarch64): Add new alternative.
        (*movdf_aarch64): Likewise.
        * config/aarch64/constraints.md (Ufc): New.
        (Y): call aarch64_float_const_zero_rtx.
        * config/aarch64/predicates.md (aarch64_fp_compare_operand): New.

2013-01-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55888
        PR tree-optimization/55862
        * tree-ssa-pre.c (phi_translate_1): Revert previous change.
        (valid_in_sets): Check if a NAME has a leader in AVAIL_OUT,
        not if it is contained therein.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/t-avr: Typo.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        PR55243
        * config/avr/t-avr: Don't automatically rebuild
        $(srcdir)/config/avr/t-multilib
        $(srcdir)/config/avr/avr-tables.opt
        $(srcdir)/doc/avr-mmcu.texi
        (avr-mcus): New phony target to build them on request.
        (s-avr-mlib, s-avr-mmcu-texi): Remove.
        * avr/avr-mcus.def: Adjust comments.

2013-01-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (DEFAULT_PCC_STRUCT_RETURN): Remove.

2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * file-find.c, file-find.h, realmpfr.c: Add FSF as copyright holder.

2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/tilepro/gen-mul-tables.cc: Put copyright on one line.

2013-01-05  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/aix53.h (LIB_SPEC): Add -lpthreads when compiling
        to generate profiling.
        * config/rs6000/aix64.h (LIB_SPEC): Same.

2013-01-04  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64.c (aarch64_fixed_condition_code_regs):
        New function.
        (TARGET_FIXED_CONDITION_CODE_REGS): Define.

2013-01-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_legitimize_address): Call convert_to_mode
        unconditionally.
        (ix86_expand_move): Ditto.
        (ix86_zero_extend_to_Pmode): Ditto.
        (ix86_expand_call): Ditto.
        (ix86_expand_special_args_builtin): Ditto.
        (ix86_expand_builtin): Ditto.

2013-01-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55862
        * tree-ssa-pre.c (phi_translate_1): Valueize SSA names after
        translating them through PHI nodes.

2013-01-04  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/55755
        * tree-sra.c (sra_modify_assign): Do not check that an access has no
        children when trying to avoid producing a VIEW_CONVERT_EXPR.

2013-01-04  Marek Polacek  <polacek@redhat.com>

        PR middle-end/55859
        * opts.c (default_options_optimization): Clarify error message.

2013-01-04  Richard Biener  <rguenther@suse.de>

        PR middle-end/55863
        * fold-const.c (split_tree): Undo -X - 1 to ~X folding for
        reassociation.

2013-01-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/53789
        * config/pa/pa.md (movsi): Revert previous change.
        * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
        references.

2013-01-03  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_move): Always assign to op1
        after eliminating TLS symbols.

2013-01-03  Marc Glisse  <marc.glisse@inria.fr>

        PR bootstrap/50167
        * graphite-interchange.c (pdr_stride_in_loop): Use gmp_fprintf.
        * graphite-poly.c (debug_gmp_value): Likewise.

2013-01-03  Uros Bizjak  <ubizjak@gmail.com>

        PR target/55712
        * config/i386/i386-c.c (ix86_target_macros_internal): Depending on
        selected code model, define __code_mode_small__, __code_model_medium__,
        __code_model_large__, __code_model_32__ or __code_model_kernel__.
        * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
        xchg temporary register with %k.  Declare temporary register as
        early clobbered.
        [__x86_64__]: For medium and large code models, preserve %rbx register.

2013-01-03  Richard Biener  <rguenther@suse.de>

        * tree-data-ref.c (dump_conflict_function): Use less vertical spacing.
        (dump_subscript): Adjust.
        (finalize_ddr_dependent): Do not dump redundant info.
        (analyze_siv_subscript): Adjust.
        (subscript_dependence_tester): Likewise.
        (compute_affine_dependence): Likewise.

2013-01-03  Richard Biener  <rguenther@suse.de>

        Revert
        2013-01-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55857
        * tree-vect-stmts.c (vectorizable_load): Do not setup
        re-alignment for invariant loads.

        2013-01-02  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): When vectorizing an
        invariant load do not generate a vector load from the scalar location.

2013-01-03  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_analyze_loop_form): Clarify reason
        for not vectorizing.
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
        not build INDIRECT_REFs, call get_name once only.
        (vect_create_data_ref_ptr): Likewise.  Dump base object kind
        based on DR_BASE_OBJECT, not DR_BASE_ADDRESS.

2013-01-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55857
        * tree-vect-stmts.c (vectorizable_load): Do not setup
        re-alignment for invariant loads.

2013-01-03  Richard Biener  <rguenther@suse.de>

        PR lto/55848
        * lto-symtab.c (lto_symtab_merge_decls_1): As last resort, always
        prefer a built-in decl.

2013-01-03  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.

        PR rtl-optimization/55838
        * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
        iv0.step, iv1.step and step.

2013-01-03  Jakub Jelinek  <jakub@redhat.com>
            Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/55832
        * fold-const.c (fold_binary_loc): For ABS_EXPR<x> >= 0 and
        ABS_EXPR<x> < 0 folding use constant_boolean_node instead of
        integer_{one,zero}_node.

2013-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/54402
        * params.def (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE): New param.
        * var-tracking.c (reverse_op): Don't add reverse ops to
        VALUEs that have already
        PARAM_VALUE (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE) or longer locs list.

2013-01-02  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi: Note years as release manager for Mark Mitchell.

2013-01-02  Teresa Johnson  <tejohnson@google.com>

        * dumpfile.c (dump_loc): Print filename with location.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Use
        new location_t parameter to emit complete unroll message with
        new dump framework.
        (canonicalize_loop_induction_variables): Compute loops location
        and pass to try_unroll_loop_completely.
        * loop-unroll.c (report_unroll_peel): New function.
        (peel_loops_completely): Use new dump format with location
        for main dumpfile message, and invoke report_unroll_peel on success.
        (decide_unrolling_and_peeling): Ditto.
        (decide_peel_once_rolling): Remove old dumpfile message subsumed
        by report_unroll_peel.
        (decide_peel_completely): Ditto.
        (decide_unroll_constant_iterations): Ditto.
        (decide_unroll_runtime_iterations): Ditto.
        (decide_peel_simple): Ditto.
        (decide_unroll_stupid): Ditto.
        * cfgloop.c (get_loop_location): New function.
        * cfgloop.h (get_loop_location): Declare.

2013-01-02  Sriraman Tallam  <tmsriram@google.com>

        * config/i386/i386.c (fold_builtin_cpu): Remove unnecessary checks for
        NULL.

2013-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/55198
        * expr.c (expand_expr_real_1): Don't use bitfield extraction for non
        BLKmode objects when EXPAND_MEMORY is specified.

2013-01-02  Sriraman Tallam  <tmsriram@google.com>

        * config/i386/i386.c (ix86_get_function_versions_dispatcher): Fix bug
        in loop predicate.
        (fold_builtin_cpu): Do not share cpu model decls across statements.

2013-01-02  Jason Merrill  <jason@redhat.com>

        PR c++/55804
        * tree.c (build_array_type_1): Revert earlier change.

2013-01-02  Yufeng Zhang  <yufeng.zhang@arm.com>

        * config/aarch64/aarch64-cores.def: Add entries for "cortex-a53" and
        "cortex-a57".
        * config/aarch64/aarch64-tune.md: Re-generate.

2013-01-02  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): When vectorizing an
        invariant load do not generate a vector load from the scalar location.

2013-01-02  Richard Biener  <rguenther@suse.de>

        PR bootstrap/55784
        * configure.ac: Add $GMPINC to CFLAGS/CXXFLAGS.
        * configure: Regenerate.

2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * builtins.c (expand_builtin_mathfn, expand_builtin_mathfn_2)
        (expand_builtin_mathfn_ternary, expand_builtin_mathfn_3)
        (expand_builtin_int_roundingfn_2): Keep the original target around
        for the fallback case.

2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree-vrp.c (range_fits_type_p): Require the MSB of the double_int
        to be clear for sign changes.

2013-01-01  Jan Hubicka  <jh@suse.cz>

        * ipa-inline-analysis.c: Fix formatting.

2013-01-01  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55831
        * tree-vect-loop.c (get_initial_def_for_induction): Use
        gsi_after_labels instead of gsi_start_bb.
\f
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