[ARM] Turning off 64bits ops in Neon

[official-gcc.git] / gcc / ChangeLog

2013-03-21  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/arm-protos.h (tune_params): Add
        prefer_neon_for_64bits field.
        * config/arm/arm.c (prefer_neon_for_64bits): New variable.
        (arm_slowmul_tune): Default prefer_neon_for_64bits to false.
        (arm_fastmul_tune, arm_strongarm_tune, arm_xscale_tune): Ditto.
        (arm_9e_tune, arm_v6t2_tune, arm_cortex_tune): Ditto.
        (arm_cortex_a15_tune, arm_cortex_a5_tune): Ditto.
        (arm_cortex_a9_tune, arm_v6m_tune, arm_fa726te_tune): Ditto.
        (arm_option_override): Handle -mneon-for-64bits new option.
        * config/arm/arm.h (TARGET_PREFER_NEON_64BITS): New macro.
        (prefer_neon_for_64bits): Declare new variable.
        * config/arm/arm.md (arch): Rename neon_onlya8 and neon_nota8 to
        avoid_neon_for_64bits and neon_for_64bits. Remove onlya8 and
        nota8.
        (arch_enabled): Handle new arch types. Remove support for onlya8
        and nota8.
        (one_cmpldi2): Use new arch names.
        * config/arm/arm.opt (mneon-for-64bits): Add option.
        * config/arm/neon.md (adddi3_neon, subdi3_neon, iordi3_neon)
        (anddi3_neon, xordi3_neon, ashldi3_neon, <shift>di3_neon): Use
        neon_for_64bits instead of nota8 and avoid_neon_for_64bits instead
        of onlya8.
        * doc/invoke.texi (-mneon-for-64bits): Document.

2013-03-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/39326
        * tree-ssa-loop-im.c (bb_loop_postorder): New global static.
        (sort_bbs_in_loop_postorder_cmp): New function.
        (gather_mem_refs_in_loops): Assign mem-ref IDs in loop
        postorder.

2013-03-21  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_update_interleaving_chain): Remove.
        (vect_insert_into_interleaving_chain): Likewise.
        (vect_drs_dependent_in_basic_block): Inline ...
        (vect_slp_analyze_data_ref_dependence): ... here.  New function,
        split out from ...
        (vect_analyze_data_ref_dependence): ... here.  Simplify.
        (vect_check_interleaving): Simplify.
        (vect_analyze_data_ref_dependences): Likewise.  Split out ...
        (vect_slp_analyze_data_ref_dependences): ... this new function.
        (dr_group_sort_cmp): New function.
        (vect_analyze_data_ref_accesses): Compute data-reference groups
        here instead of in vect_analyze_data_ref_dependence.  Use
        a more efficient algorithm.
        * tree-vect-slp.c (vect_slp_analyze_bb_1): Use
        vect_slp_analyze_data_ref_dependences.  Call
        vect_analyze_data_ref_accesses earlier.
        * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
        * tree-vectorizer.h (vect_analyze_data_ref_dependences): Adjust.
        (vect_slp_analyze_data_ref_dependences): New prototype.

2013-03-21  Richard Biener  <rguenther@suse.de>

        * tree-ssa-loop-im.c (can_sm_ref_p): Do not test whether
        ref is stored in the loop.
        (find_refs_for_sm): Walk only over all stores.
        (store_motion_loop): Allocate from lim_bitmap_obstack.
        (store_motion): Likewise.

2013-03-21  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge):
        Update virtual SSA form.

2013-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_eh_frame_ciev3): New test.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/sol2.c (solaris_override_options): Only enforce DWARF 2
        if !HAVE_LD_EH_FRAME_CIEV3.

2013-03-21  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (verify_expr_no_block): New function.
        (verify_expr_location_1): Verify that neither DECL_DEBUG_EXPR
        nor DECL_VALUE_EXPR have locations with associated blocks.
        * tree-ssa-live.c (clear_unused_block_pointer_1): Remove.
        (clear_unused_block_pointer): Remove code dealing with
        blocks in DECL_DEBUG_EXPR locations.

2013-03-21  Richard Biener  <rguenther@suse.de>

        * tree.h (DECL_DEBUG_EXPR_IS_FROM): Rename to ...
        (DECL_HAS_DEBUG_EXPR_P): ... this.  Guard properly.
        * tree.c (copy_node_stat): Do not copy DECL_HAS_DEBUG_EXPR_P.
        * dwarf2out.c (add_var_loc_to_decl): Use DECL_HAS_DEBUG_EXPR_P
        instead of DECL_DEBUG_EXPR_IS_FROM.
        * gimplify.c (gimplify_modify_expr): Likewise.
        * tree-cfg.c (verify_expr_location_1): Likewise.
        * tree-complex.c (create_one_component_var): Likewise.
        * tree-sra.c (create_access_replacement): Likewise.
        * tree-ssa-live.c (clear_unused_block_pointer_1): Likewise.
        (clear_unused_block_pointer): Likewise.
        * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Likewise.
        * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
        * var-tracking.c (var_debug_decl): Likewise.
        (track_expr_p): Likewise.
        * tree-inline.c (add_local_variables): Likewise.  Set
        DECL_HAS_DEBUG_EXPR_P after copying it.
        * tree-diagnostic.c (default_tree_printer): Use DECL_HAS_DEBUG_EXPR_P
        instead of DECL_DEBUG_EXPR_IS_FROM.  Guard properly.

2013-03-21  Uros Bizjak  <ubizjak@gmail.com>

        PR bootstrap/56656
        * configure.ac (HAVE_AS_IX86_INTERUNIT_MOVQ): New test.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/i386.md (*movdf_internal): Use
        HAVE_AS_IX86_INTERUNIT_MOVQ to handle broken assemblers that require
        movd instead of movq mnemonic for interunit moves.
        (*movdi_internal): Ditto.

2013-03-21  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * config/aarch64/aarch64-simd.md (simd_fabd): New Attribute.
        (abd<mode>_3): New pattern.
        (aba<mode>_3): New pattern.
        (fabd<mode>_3): New pattern.

2013-03-21  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * config/aarch64/aarch64-elf.h (REGISTER_PREFIX): Remove.
        * config/aarch64/aarch64.c (aarch64_print_operand): Remove all
        occurrence of REGISTER_PREFIX as its empty string.

2013-03-20  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (record_equivalences_from_incoming_edge): Record
        addititional equivalences for equality comparisons between an SSA_NAME
        and a constant where the SSA_NAME was set from a widening conversion.

2013-03-20  Walter Lee  <walt@tilera.com>

        * config/tilegx/sync.md (atomic_test_and_set): New pattern.

2013-03-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movoi_internal_avx): Emit insn template
        depending on type attribute.
        (*movti_internal): Ditto.
        (*movtf_internal): Ditto.
        (*movxf_internal): Ditto.
        (*movdf_internal): Ditto.
        (*movsf_internal): Ditto.

2013-03-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movti_internal): Set prefix attribute to
        maybe_vex for sselog1 and ssemov types.
        (*movdi_internal): Reorder operand constraints.
        (*movsi_internal): Ditto.  Set prefix attribute to
        maybe_vex for sselog1 and ssemov types.
        (*movtf_internal): Set prefix attribute to maybe_vex
        for sselog1 and ssemov types.
        (*movdf_internal): Ditto.  Set prefix_data16 attribute for
        DImode ssemov types.  Reorder operand constraints.
        (*movsf_internal): Set type of alternatives 3,4 to imov.  Set prefix
        attribute to maybe_vex for sselog1 and ssemov types.  Set prefix_data16
        attribute for SImode ssemov types.  Reorder operand constraints.

2013-03-20  Martin Jambor  <mjambor@suse.cz>

        * params.def (PARAM_IPA_CP_ARRAY_INDEX_HINT_BONUS): New parameter.
        * ipa-cp.c (hint_time_bonus): Add abonus for known array indices.

2013-03-20  Pat Haugen <pthaugen@us.ibm.com>

        * config/rs6000/predicates.md (indexed_address, update_address_mem
        update_indexed_address_mem): New predicates.
        * config/rs6000/vsx.md (vsx_extract_<mode>_zero): Set correct "type"
        attribute for load/store instructions.
        * config/rs6000/dfp.md (movsd_store): Likewise.
        (movsd_load): Likewise.
        * config/rs6000/rs6000.md (zero_extend<mode>di2_internal1): Likewise.
        (unnamed HI->DI extend define_insn): Likewise.
        (unnamed SI->DI extend define_insn): Likewise.
        (unnamed QI->SI extend define_insn): Likewise.
        (unnamed QI->HI extend define_insn): Likewise.
        (unnamed HI->SI extend define_insn): Likewise.
        (unnamed HI->SI extend define_insn): Likewise.
        (extendsfdf2_fpr): Likewise.
        (movsi_internal1): Likewise.
        (movsi_internal1_single): Likewise.
        (movhi_internal): Likewise.
        (movqi_internal): Likewise.
        (movcc_internal1): Correct mnemonic for stw insn. Set correct "type"
        attribute for load/store instructions.
        (mov<mode>_hardfloat): Set correct "type" attribute for load/store
        instructions.
        (mov<mode>_softfloat): Likewise.
        (mov<mode>_hardfloat32): Likewise.
        (mov<mode>_hardfloat64): Likewise.
        (mov<mode>_softfloat64): Likewise.
        (movdi_internal32): Likewise.
        (movdi_internal64): Likewise.
        (probe_stack_<mode>): Likewise.

2013-03-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/vector.md (VEC_R): Add 32-bit integer, binary
        floating point, and decimal floating point to reload iterator.

        * config/rs6000/constraints.md (wl constraint): New constraints to
        return FLOAT_REGS if certain options are used to reduce the number
        of separate patterns that exist in the file.
        (wx constraint): Likewise.
        (wz constraint): Likewise.

        * config/rs6000/rs6000.c (rs6000_debug_reg_global): If
        -mdebug=reg, print wg, wl, wx, and wz constraints.
        (rs6000_init_hard_regno_mode_ok): Initialize new constraints.
        Initialize the reload functions for 64-bit binary/decimal floating
        point types.
        (reg_offset_addressing_ok_p): If we are on a power7 or later, use
        LFIWZX and STFIWX to load/store 32-bit decimal types, and don't
        create the buffer on the stack to overcome not having a 32-bit
        load and store.
        (rs6000_emit_move): Likewise.
        (rs6000_secondary_memory_needed_rtx): Likewise.
        (rs6000_alloc_sdmode_stack_slot): Likewise.
        (rs6000_preferred_reload_class): On VSX, we can create SFmode 0.0f
        via xxlxor, just like DFmode 0.0.

        * config/rs6000/rs6000.h (TARGET_NO_SDMODE_STACK): New macro,
        define as 1 if we are running on a power7 or newer.
        (enum r6000_reg_class_enum): Add new constraints.

        * config/rs6000/dfp.md (movsd): Delete, combine with binary
        floating point moves in rs6000.md.  Combine power6x (mfpgpr) moves
        with other moves by using conditional constraits (wg).  Use LFIWZX
        and STFIWX for loading SDmode on power7.  Use xxlxor to create 0.0f.
        (movsd splitter): Likewise.
        (movsd_hardfloat): Likewise.
        (movsd_softfloat): Likewise.

        * config/rs6000/rs6000.md (FMOVE32): New iterators to combine
        binary and decimal floating point moves.
        (fmove_ok): New attributes to combine binary and decimal floating
        point moves, and to combine power6x (mfpgpr) moves along normal
        floating moves.
        (real_value_to_target): Likewise.
        (f32_lr): Likewise.
        (f32_lm): Likewise.
        (f32_li): Likewise.
        (f32_sr): Likewise.
        (f32_sm): Likewise.
        (f32_si): Likewise.
        (movsf): Combine binary and decimal floating point moves.  Combine
        power6x (mfpgpr) moves with other moves by using conditional
        constraits (wg).  Use LFIWZX and STFIWX for loading SDmode on power7.
        (mov<mode> for SFmode/SDmode); Likewise.
        (SFmode/SDmode splitters): Likewise.
        (movsf_hardfloat): Likewise.
        (mov<mode>_hardfloat for SFmode/SDmode): Likewise.
        (movsf_softfloat): Likewise.
        (mov<mode>_softfloat for SFmode/SDmode): Likewise.

        * doc/md.texi (PowerPC and IBM RS6000 constraints): Document wl,
        wx and wz constraints.

        * config/rs6000/constraints.md (wg constraint): New constraint to
        return FLOAT_REGS if -mmfpgpr (power6x) was used.

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

        * config/rs6000/rs6000.c (rs6000_debug_reg_global): If
        -mdebug=reg, print wg, wl, wx, and wz constraints.
        (rs6000_init_hard_regno_mode_ok): Initialize new constraints.
        Initialize the reload functions for 64-bit binary/decimal floating
        point types.
        (reg_offset_addressing_ok_p): If we are on a power7 or later, use
        LFIWZX and STFIWX to load/store 32-bit decimal types, and don't
        create the buffer on the stack to overcome not having a 32-bit
        load and store.
        (rs6000_emit_move): Likewise.
        (rs6000_secondary_memory_needed_rtx): Likewise.
        (rs6000_alloc_sdmode_stack_slot): Likewise.
        (rs6000_preferred_reload_class): On VSX, we can create SFmode 0.0f
        via xxlxor, just like DFmode 0.0.

        * config/rs6000/dfp.md (movdd): Delete, combine with binary
        floating point moves in rs6000.md.  Combine power6x (mfpgpr) moves
        with other moves by using conditional constraits (wg).  Use LFIWZX
        and STFIWX for loading SDmode on power7.
        (movdd splitters): Likewise.
        (movdd_hardfloat32): Likewise.
        (movdd_softfloat32): Likewise.
        (movdd_hardfloat64_mfpgpr): Likewise.
        (movdd_hardfloat64): Likewise.
        (movdd_softfloat64): Likewise.

        * config/rs6000/rs6000.md (FMOVE64): New iterators to combine
        64-bit binary and decimal floating point moves.
        (FMOVE64X): Likewise.
        (movdf): Combine 64-bit binary and decimal floating point moves.
        Combine power6x (mfpgpr) moves with other moves by using
        conditional constraits (wg).
        (mov<mode> for DFmode/DDmode): Likewise.
        (DFmode/DDmode splitters): Likewise.
        (movdf_hardfloat32): Likewise.
        (mov<mode>_hardfloat32 for DFmode/DDmode): Likewise.
        (movdf_softfloat32): Likewise.
        (movdf_hardfloat64_mfpgpr): Likewise.
        (movdf_hardfloat64): Likewise.
        (mov<mode>_hardfloat64 for DFmode/DDmode): Likewise.
        (movdf_softfloat64): Likewise.
        (mov<mode>_softfloat64 for DFmode/DDmode): Likewise.
        (reload_<mode>_load): Move to later in the file so they aren't in
        the middle of the floating point move insns.
        (reload_<mode>_store): Likewise.

        * doc/md.texi (PowerPC and IBM RS6000 constraints): Document wg
        constraint.

        * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print out wg
        constraint if -mdebug=reg.
        (rs6000_initi_hard_regno_mode_ok): Enable wg constraint if -mfpgpr.
        Enable using dd reload support if needed.

        * config/rs6000/dfp.md (movtd): Delete, combine with 128-bit
        binary and decimal floating point moves in rs6000.md.
        (movtd_internal): Likewise.

        * config/rs6000/rs6000.md (FMOVE128): Combine 128-bit binary and
        decimal floating point moves.
        (movtf): Likewise.
        (movtf_internal): Likewise.
        (mov<mode>_internal, TDmode/TFmode): Likewise.
        (movtf_softfloat): Likewise.
        (mov<mode>_softfloat, TDmode/TFmode): Likewise.

        * config/rs6000/rs6000.md (movdi_mfpgpr): Delete, combine with
        movdi_internal64, using wg constraint for move direct operations.
        (movdi_internal64): Likewise.

        * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print
        MODES_TIEABLE_P for selected modes.  Print the numerical value of
        the various virtual registers. Use GPR/FPR first/last values,
        instead of hard coding the register numbers.  Print which modes
        have reload functions registered.
        (rs6000_option_override_internal): If -mdebug=reg, trace the options
        settings before/after setting cpu, target and subtarget settings.
        (rs6000_secondary_reload_trace): Improve the RTL dump for -mdebug=addr
        and for secondary reload failures in rs6000_secondary_reload_inner.
        (rs6000_secondary_reload_fail): Likewise.
        (rs6000_secondary_reload_inner): Likewise.

        * config/rs6000/rs6000.md (FIRST_GPR_REGNO): Add convenience
        macros for first/last GPR and FPR registers.
        (LAST_GPR_REGNO): Likewise.
        (FIRST_FPR_REGNO): Likewise.
        (LAST_FPR_REGNO): Likewise.

        * config/rs6000/vector.md (mul<mode>3): Use the combined macro
        VECTOR_UNIT_ALTIVEC_OR_VSX_P instead of separate calls to
        VECTOR_UNIT_ALTIVEC_P and VECTOR_UNIT_VSX_P.
        (vcond<mode><mode>): Likewise.
        (vcondu<mode><mode>): Likewise.
        (vector_gtu<mode>): Likewise.
        (vector_gte<mode>): Likewise.
        (xor<mode>3): Don't allow logical operations on TImode in 32-bit
        to prevent the compiler from converting DImode operations to TImode.
        (ior<mode>3): Likewise.
        (and<mode>3): Likewise.
        (one_cmpl<mode>2): Likewise.
        (nor<mode>3): Likewise.
        (andc<mode>3): Likewise.

        * config/rs6000/constraints.md (wt constraint): New constraint
        that returns VSX_REGS if TImode is allowed in VSX registers.

        * config/rs6000/predicates.md (easy_fp_constant): 0.0f is an easy
        constant under VSX.

        * config/rs6000/rs6000-modes.def (PTImode): Define, PTImode is
        similar to TImode, but it is restricted to being in the GPRs.

        * config/rs6000/rs6000.opt (-mvsx-timode): New switch to allow
        TImode to occupy a single VSX register.

        * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Default to
        -mvsx-timode for power7/power8.
        (power7 cpu): Likewise.
        (power8 cpu): Likewise.

        * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Make
        sure that TFmode/TDmode take up two registers if they are ever
        allowed in the upper VSX registers.
        (rs6000_hard_regno_mode_ok): If -mvsx-timode, allow TImode in VSX
        registers.
        (rs6000_init_hard_regno_mode_ok): Likewise.
        (rs6000_debug_reg_global): Add debugging for PTImode and wt
        constraint.  Print if LRA is turned on.
        (rs6000_option_override_internal): Give an error if -mvsx-timode
        and VSX is not enabled.
        (invalid_e500_subreg): Handle PTImode, restricting it to GPRs.  If
        -mvsx-timode, restrict TImode to reg+reg addressing, and PTImode
        to reg+offset addressing.  Use PTImode when checking offset
        addresses for validity.
        (reg_offset_addressing_ok_p): Likewise.
        (rs6000_legitimate_offset_address_p): Likewise.
        (rs6000_legitimize_address): Likewise.
        (rs6000_legitimize_reload_address): Likewise.
        (rs6000_legitimate_address_p): Likewise.
        (rs6000_eliminate_indexed_memrefs): Likewise.
        (rs6000_emit_move): Likewise.
        (rs6000_secondary_reload): Likewise.
        (rs6000_secondary_reload_inner): Handle PTImode.  Allow 64-bit
        reloads to fpr registers to continue to use reg+offset addressing,
        but 64-bit reloads to altivec registers need reg+reg addressing.
        Drop test for PRE_MODIFY, since VSX loads/stores no longer support
        it.  Treat LO_SUM like a PLUS operation.
        (rs6000_secondary_reload_class): If type is 64-bit, prefer to use
        FLOAT_REGS instead of VSX_RGS to allow use of reg+offset addressing.
        (rs6000_cannot_change_mode_class): Do not allow TImode in VSX
        registers to share a register with a smaller sized type, since VSX
        puts scalars in the upper 64-bits.
        (print_operand): Add support for PTImode.
        (rs6000_register_move_cost): Use VECTOR_MEM_VSX_P instead of
        VECTOR_UNIT_VSX_P to catch types that can be loaded in VSX
        registers, but don't have arithmetic support.
        (rs6000_memory_move_cost): Add test for VSX.
        (rs6000_opt_masks): Add -mvsx-timode.

        * config/rs6000/vsx.md (VSm): Change to use 64-bit aligned moves
        for TImode.
        (VSs): Likewise.
        (VSr): Use wt constraint for TImode.
        (VSv): Drop TImode support.
        (vsx_movti): Delete, replace with versions for 32-bit and 64-bit.
        (vsx_movti_64bit): Likewise.
        (vsx_movti_32bit): Likewise.
        (vec_store_<mode>): Use VSX iterator instead of vector iterator.
        (vsx_and<mode>3): Delete use of '?' constraint on inputs, just put
        one '?' on the appropriate output constraint.  Do not allow TImode
        logical operations on 32-bit systems.
        (vsx_ior<mode>3): Likewise.
        (vsx_xor<mode>3): Likewise.
        (vsx_one_cmpl<mode>2): Likewise.
        (vsx_nor<mode>3): Likewise.
        (vsx_andc<mode>3): Likewise.
        (vsx_concat_<mode>): Likewise.
        (vsx_xxpermdi_<mode>): Fix thinko for non V2DF/V2DI modes.

        * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Map from
        OPTION_MASK_VSX_TIMODE.
        (enum rs6000_reg_class_enum): Add RS6000_CONSTRAINT_wt.
        (STACK_SAVEAREA_MODE): Use PTImode instead of TImode.

        * config/rs6000/rs6000.md (INT mode attribute): Add PTImode.
        (TI2 iterator): New iterator for TImode, PTImode.
        (wd mode attribute): Add values for vector types.
        (movti_string): Replace TI move operations with operations for TImode
        and PTImode.  Add support for TImode being allowed in VSX registers.
        (mov<mode>_string, TImode/PTImode): Likewise.
        (movti_ppc64): Likewise.
        (mov<mode>_ppc64, TImode/PTImode): Likewise.
        (TI mode splitters): Likewise.

        * doc/md.texi (PowerPC and IBM RS6000 constraints): Document wt
        constraint.

2013-03-20  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/56355
        * fold-const.c (tree_binary_nonnegative_warnv_p) <MULT_EXPR>:
        Also handle integers with undefined overflow.

2013-03-20  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, ZD): 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.
2013-03-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56661
        * tree-ssa-sccvn.c (visit_use): Only value-number calls if
        the result does not have to be distinct.

2013-03-20  Richard Biener  <rguenther@suse.de>

        * tree-inline.c (copy_tree_body_r): Sync MEM_REF code with
        remap_gimple_op_r.

2013-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
            Steven Bosscher <steven@gcc.gnu.org>

        PR rtl-optimization/56605
        * loop-iv.c (implies_p): Handle equal RTXs and subregs.

2013-03-20  Uros Bizjak  <ubizjak@gmail.com>

        PR bootstrap/56656
        * config/i386/i386.md (*movdi_internal): Handle broken assemblers
        that require movd instead of movq.

2013-03-20  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (struct variable_info): Add pointer
        to the first field of an aggregate with sub-vars.  Make
        this and the pointer to the next subfield its ID.
        (vi_next): New function.
        (nothing_id, anything_id, readonly_id, escaped_id, nonlocal_id,
        storedanything_id, integer_id): Increment by one.
        (new_var_info, get_call_vi, lookup_call_clobber_vi,
        get_call_clobber_vi): Adjust.
        (solution_set_expand): Simplify and speedup.
        (solution_set_add): Inline into ...
        (set_union_with_increment): ... this.  Adjust accordingly.
        (do_sd_constraint): Likewise.
        (do_ds_constraint): Likewise.
        (do_complex_constraint): Simplify.
        (build_pred_graph): Adjust.
        (solve_graph): Likewise.  Simplify and speedup.
        (get_constraint_for_ssa_var, get_constraint_for_ptr_offset,
        get_constraint_for_component_ref, get_constraint_for_1,
        first_vi_for_offset, first_or_preceding_vi_for_offset,
        create_function_info_for, create_variable_info_for_1,
        create_variable_info_for, intra_create_variable_infos): Adjust.
        (init_base_vars): Push NULL for ID zero.
        (compute_points_to_sets): Adjust.

2013-03-20  Richard Biener  <rguenther@suse.de>

        * cfgloop.c (verify_loop_structure): Streamline and avoid
        ICEing on corrupt loop tree.
        * graph.c (draw_cfg_nodes_for_loop): Avoid ICEing on corrupt
        loop tree.

2013-03-20  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop-manip.c (slpeel_can_duplicate_loop_p): Do not
        check whether an SSA update is needed.

2013-03-20  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/constraints.md (T): Rename to...
        (Yf): ...this.
        (U): Rename to...
        (Yd): ...this.
        * config/mips/mips.md (*movdi_64bit, *movdi_64bit_mips16)
        (*mov<mode>_internal, *mov<mode>_mips16): Update accordingly.

2013-03-19  Ian Bolton  <ian.bolton@arm.com>

        * config/aarch64/aarch64.md (*sub<mode>3_carryin): New pattern.
        (*subsi3_carryin_uxtw): Likewise.

2013-03-19  Ian Bolton  <ian.bolton@arm.com>

        * config/aarch64/aarch64.md (*ror<mode>3_insn): New pattern.
        (*rorsi3_insn_uxtw): Likewise.

2013-03-19  Ian Bolton  <ian.bolton@arm.com>

        * config/aarch64/aarch64.md (*extr<mode>5_insn): New pattern.
        (*extrsi5_insn_uxtw): Likewise.

2013-03-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56273
        * passes.c (init_optimization_passes): Move second VRP after DOM.

2013-03-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movti_internal): Merge from
        *movti_internal_rex64 and *movti_internal_sse.  Use x64 isa attribute.
        (*movdi_internal): Merge with *movdi_internal_rex64.  Use x64 and
        nox64 isa attributes.

2013-03-18  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (find): Use gcc_checking_assert.
        (unite): Likewise.
        (merge_node_constraints): Likewise.
        (build_succ_graph): Likewise.
        (valid_graph_edge): Inline into single caller.
        (unify_nodes): Likewise.  Use bitmap_set_bit return value
        and cache varinfo.
        (scc_visit): Fix formatting and variable use.
        (do_sd_constraint): Use gcc_checking_assert.
        (do_ds_constraint): Likewise.
        (do_complex_constraint): Likewise.
        (condense_visit): Likewise.  Cleanup.
        (dump_pred_graph): New function.
        (perform_var_substitution): Dump the pred-graph before
        variable substitution.
        (find_equivalent_node): Use gcc_checking_assert.
        (rewrite_constraints): Guard checking loop with ENABLE_CHECKING.

2013-03-18  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
        Remove cond_expr_stmt_list argument and do not gimplify the
        built expression.
        (vect_loop_versioning): Adjust.
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
        Cleanup to use less temporaries.
        (vect_create_data_ref_ptr): Cleanup.

2013-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56635
        * fold-const.c (operand_equal_p): For MEM_REF and TARGET_MEM_REF,
        require types_compatible_p types.

2013-03-18  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_expand_prologue): Remove
        spurious backslash.

        * config/mn10300/mn10300.c (mn10300_get_live_callee_saved_regs):
        Add missing line to comment describing function.

2013-03-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56210
        * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
        Handle string / character search functions.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise.

2013-03-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/56483
        * cfgexpand.c (expand_gimple_cond): Inline gimple_cond_single_var_p
        and implement properly.
        * gimple.h (gimple_cond_single_var_p): Remove.

2013-03-18  Richard Biener  <rguenther@suse.de>

        * tree-data-ref.h (find_data_references_in_loop): Declare.
        * tree-data-ref.c (get_references_in_stmt): Use a stack
        vector pre-allocated in the callers.
        (find_data_references_in_stmt): Adjust.
        (graphite_find_data_references_in_stmt): Likewise.
        (create_rdg_vertices): Likewise.
        (find_data_references_in_loop): Export.
        * tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
        Compute dependences here...
        (vect_analyze_data_refs): ...not here.  When we encounter
        a non-vectorizable data reference in basic-block vectorization
        truncate the data reference vector.  Do not bother to
        fixup data-dependence information for gather loads.
        * tree-vect-slp.c (vect_slp_analyze_bb_1): Check the number
        of data references, as reported.

2013-03-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/3713
        * tree-ssa-sccvn.c (visit_copy): Simplify.  Always propagate
        has_constants and expr.
        (stmt_has_constants): Properly valueize SSA names when deciding
        whether the stmt has constants.

2013-03-18  Richard Biener  <rguenther@suse.de>

        * tree-ssa-loop-manip.c (find_uses_to_rename): Do not scan the
        whole function when there is nothing to do.
        * tree-ssa-loop.c (pass_vectorize): Remove TODO_update_ssa.
        * tree-vectorizer.c (vectorize_loops): Update virtual and
        loop-closed SSA once.
        * tree-vect-loop.c (vect_transform_loop): Do not update SSA here.

2013-03-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/56113
        * domwalk.c (bb_postorder): New global static.
        (cmp_bb_postorder): New function.
        (walk_dominator_tree): Replace scheme imposing an order for
        visiting dominator sons by one sorting them at the time they
        are pushed on the stack.

2013-03-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/39326
        * tree-ssa-loop-im.c (refs_independent_p): Exploit symmetry.
        (struct mem_ref): Replace mem member with ao_ref typed member.
        (MEM_ANALYZABLE): Adjust.
        (memref_eq): Likewise.
        (mem_ref_alloc): Likewise.
        (gather_mem_refs_stmt): Likewise.
        (mem_refs_may_alias_p): Use the ao_ref to query the alias oracle.
        (execute_sm_if_changed_flag_set): Adjust.
        (execute_sm): Likewise.
        (ref_always_accessed_p): Likewise.
        (refs_independent_p): Likewise.
        (can_sm_ref_p): Likewise.

2013-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR c/56566
        * tree.c (tree_int_cst_min_precision): For integer_zerop (value)
        return 1 even for !unsignedp.

2013-03-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (isa): Add x64 and nox64.
        (enabled): Define x64 for TARGET_64BIT and nox64 for !TARGET_64BIT.
        (*pushtf): Enable *roF alternative for x64 isa only.
        (*pushxf): Merge with *pushxf_nointeger.  Use Yx*r constraint. Set
        mode attribute of integer alternatives to DImode for TARGET_64BIT.
        (*pushdf): Merge with *pushdf_rex64.  Use x64 and nox64 isa attributes.
        (*movtf_internal): Merge from *movtf_internal_rex64 and
        *movtf_internal_sse.  Use x64 and nox64 isa attributes.
        (*movxf_internal): Merge with *movxf_internal_rex64.  Use x64 and
        nox64 isa attributes.
        (*movdf_internal): Merge with *movdf_internal_rex64.  Use x64 and
        nox64 isa attributes.
        * config/i386/constraints.md (Yd): Do not set for TARGET_64BIT.

2013-03-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (TARGET_LRA_P): New define.

2013-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR target/56640
        * config/arm/arm.h (REG_CLASS_NAMES): Add "SFP_REG" and "AFP_REG"
        class names.  Remove trailing comma after "ALL_REGS".

2013-03-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_get_create_real_symbol_node): Declare.
        * cgraph.c (cgraph_get_create_real_symbol_node): New function.
        * cgrpahbuild.c: Use cgraph_get_create_real_symbol_node instead
        of cgraph_get_create_node.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.

2013-03-16  Jason Merrill  <jason@redhat.com>

        PR debug/49090
        * dwarf2out.c (gen_generic_params_dies): Indicate default arguments
        with DW_AT_default_value.

2013-03-16  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 4.9.0.

2013-03-14  Andi Kleen  <ak@linux.intel.com>

        PR target/56619
        * doc/extend.texi: Document __ATOMIC_HLE_ACQUIRE,
        __ATOMIC_HLE_RELEASE. Document __builtin_ia32 TSX intrincs.
        Document _x* TSX intrinsics.

2013-03-14  Edgar E. Iglesias  <edgar.iglesias@xilinx.com>
            David Holsgrove  <david.holsgrove@xilinx.com>

        * configure.ac: Add MicroBlaze TLS support detection.
        * configure: Regenerate.
        * config/microblaze/microblaze-protos.h
        (microblaze_cannot_force_const_mem, microblaze_tls_referenced_p,
        symbol_mentioned_p, label_mentioned_p): Add prototypes.
        * config/microblaze/microblaze.c (microblaze_address_type): Add
        ADDRESS_TLS and tls_reloc address types.
        (microblaze_address_info): Add tls_reloc.
        (TARGET_HAVE_TLS): Define.
        (get_tls_get_addr, microblaze_tls_symbol_p, microblaze_tls_operand_p_1,
         microblaze_tls_referenced_p, microblaze_cannot_force_const_mem,
         symbol_mentioned_p, label_mentioned_p, tls_mentioned_p,
        load_tls_operand,  microblaze_call_tls_get_addr,
        microblaze_legitimize_tls_address): New functions.
        (microblaze_classify_unspec): Handle UNSPEC_TLS.
        (get_base_reg): Use microblaze_tls_symbol_p.
        (microblaze_classify_address): Handle TLS.
        (microblaze_legitimate_pic_operand): Use symbol_mentioned_p,
        label_mentioned_p and microblaze_tls_referenced_p.
        (microblaze_legitimize_address): Handle TLS.
        (microblaze_address_insns): Handle ADDRESS_TLS.
        (pic_address_needs_scratch): Handle TLS.
        (print_operand_address): Handle TLS.
        (microblaze_expand_prologue): Check TLS_NEEDS_GOT.
        (microblaze_expand_move): Handle TLS.
        (microblaze_legitimate_constant_p): Check
        microblaze_cannot_force_const_mem and microblaze_tls_symbol_p.
        (TARGET_CANNOT_FORCE_CONST_MEM): Define.
        * config/microblaze/microblaze.h (TLS_NEEDS_GOT): Define
        (PIC_OFFSET_TABLE_REGNUM): Set.
        * config/microblaze/linux.h (TLS_NEEDS_GOT): Define.
        * config/microblaze/microblaze.md (UNSPEC_TLS): Define.
        (addsi3, movsi_internal2, movdf_internal): Update constraints
        * config/microblaze/predicates.md (arith_plus_operand): Define
        (move_operand): Redefine as move_src_operand,
        check microblaze_tls_referenced_p.

2013-03-14  Ian Bolton  <ian.bolton@arm.com>

        * config/aarch64/aarch64.md: (*and<mode>3nr_compare0): Use CC_NZ.
        (*and_<SHIFT:optab><mode>3nr_compare0): Likewise.

2013-03-14  Ian Bolton  <ian.bolton@arm.com>

        * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return correct
        CC mode for AND.

2013-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/53265
        * common.opt (Waggressive-loop-optimizations): New option.
        * tree-ssa-loop-niter.c: Include tree-pass.h.
        (do_warn_aggressive_loop_optimizations): New function.
        (record_estimate): Call it.  Don't add !is_exit bounds to loop->bounds
        if number_of_latch_executions returned constant.
        (estimate_numbers_of_iterations_loop): Call number_of_latch_executions
        early.  If number_of_latch_executions returned constant, set
        nb_iterations_upper_bound back to it.
        * cfgloop.h (struct loop): Add warned_aggressive_loop_optimizations
        field.
        * Makefile.in (tree-ssa-loop-niter.o): Depend on $(TREE_PASS_H).
        * doc/invoke.texi (-Wno-aggressive-loop-optimizations): Document.

        * config/aarch64/t-aarch64-linux (MULTARCH_DIRNAME): Remove.
        (MULTILIB_OSDIRNAMES): Set.
        * genmultilib: If defaultosdirname doesn't start with :: , set
        defaultosdirname2 instead, clear it and emit two . multilib_raw
        entries instead of just one.

2013-03-14  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_USERMODE.
        (SUBTARGET_OVERRIDE_OPTIONS): Set TARGET_USERMODE as default.
        * config/sh/netbsd-elf.h (TARGET_DEFAULT): Remove MASK_USERMODE.
        (SUBTARGET_OVERRIDE_OPTIONS): New.

2013-03-13  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/49880
        * config/sh/sh.opt (FPU_SINGLE_ONLY): New mask.
        (musermode): Convert to Var(TARGET_USERMODE).
        * config/sh/sh.h (SELECT_SH2A_SINGLE_ONLY, SELECT_SH4_SINGLE_ONLY,
        MASK_ARCH): Add MASK_FPU_SINGLE_ONLY.
        * config/sh/sh.c (sh_option_override): Use
        TARGET_FPU_DOUBLE || TARGET_FPU_SINGLE_ONLY for call-fp case.
        * config/sh/sh.md (udivsi3_i1, divsi3_i1): Remove ! TARGET_SH4
        condition.
        (udivsi3_i4, divsi3_i4): Use TARGET_FPU_DOUBLE condition instead of
        TARGET_SH4.
        (udivsi3_i4_single, divsi3_i4_single): Use
        TARGET_FPU_SINGLE_ONLY || TARGET_FPU_DOUBLE instead of TARGET_HARD_SH4.

2013-03-13  Dave Korn  <dave.korn.cygwin@....>

        * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): Make shared libgcc the
        default setting.

2013-03-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56608
        * tree-vect-slp.c (vect_schedule_slp): Do not remove scalar
        calls when vectorizing basic-blocks.

2013-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR plugins/45078
        * config.gcc: On arm, mips, sh and sparc add vxworks-dummy.h to
        tm_file.

2013-03-12  Jakub Jelinek  <jakub@redhat.com>

        * doc/invoke.texi (-Waddr-space-convert): Move into the table earlier.

2013-03-11  Jan Hubicka  <jh@suse.cz>

        PR lto/56557
        * lto-streamer-out.c (output_symbol_p): Skip references from
        constructors of external variables.

2013-03-11  Jan Hubicka  <jh@suse.cz>

        PR middle-end/56571
        * valtrack.c (cleanup_auto_inc_dec): Unshare clobbers originating
        from pseudos.
        * emit-rtl.c (verify_rtx_sharing): Likewise.
        (copy_insn_1): Likewise.
        * rtl.c (copy_rtx): Likewise.

2013-03-11  Georg-Johann Lay  <avr@gjlay.de>

        PR target/56591
        * config/avr/avr.c (avr_print_operand): Add space after '%c' in
        output_operand_lossage message.

2013-03-11  Richard Earnshaw  <rearnsha@arm.com>

        PR target/56470
        * arm.c (shift_op): Validate RTL pattern on the fly.
        (arm_print_operand, case 'S'): Don't use shift_operator to validate
        the RTL.

2013-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/56347
        * config/pa/pa.md (call_value): Check for calls to powf and direct to
        new call patterns that clobber %fr12.
        (call_val_powf, call_val_powf_pic, call_val_powf_64bit): New insn,
        split and postreload patterns.
        * config/pa/pa.c (pa_conditional_register_usage): Revert marking
        registers %fr12 and %fr12R as call used.

2013-03-09  Steven Bosscher  <steven@gcc.gnu.org>

        * dse.c (delete_dead_store_insn): Respect TDF_DETAILS.
        (canon_address, record_store, replace_read, check_mem_read_rtx,
        scan_insn, dse_step1, dse_step2_init, dse_step2_spill,
        dse_step4, dse_step5_nospill, dse_step5_spill, dse_step6,
        rest_of_handle_dse): Likewise.

2013-03-09  Richard Sandiford  <rdsandiford@googlemail.com>

        PR middle-end/56524
        * tree.h (tree_optimization_option): Rename target_optabs to optabs.
        Add base_optabs.
        (TREE_OPTIMIZATION_OPTABS): Update after previous field change.
        (TREE_OPTIMIZATION_BASE_OPTABS): New macro.
        (save_optabs_if_changed): Replace with...
        (init_tree_optimization_optabs): ...this.
        * optabs.c (save_optabs_if_changed): Rename to...
        (init_tree_optimization_optabs): ...this.  Take the optimization node
        as argument.  Do nothing if the base optabs are already correct.
        Reuse the existing TREE_OPTIMIZATION_OPTABS memory if we need
        to recompute optabs.
        * function.h (function): Remove optabs field.
        * function.c (invoke_set_current_function_hook): Call
        init_tree_optimization_optabs.  Use the result to initialize
        this_fn_optabs.

2013-02-27  Aldy Hernandez  <aldyh@redhat.com>

        * trans-mem.c (expand_transaction): Do not set PR_INSTRUMENTEDCODE
        if GTMA_HAS_NO_INSTRUMENTATION.
        (generate_tm_state): Keep GTMA_HAS_NO_INSTRUMENTATION bit.
        (ipa_tm_transform_transaction): Set GTMA_HAS_NO_INSTRUMENTATION.
        * gimple.h (GTMA_HAS_NO_INSTRUMENTATION): Define.
        * gimple-pretty-print.c (dump_gimple_transaction): Handle
        GTMA_HAS_NO_INSTRUMENTATION.

2013-03-08  Jakub Jelinek  <jakub@redhat.com>

        * config/gnu-user.h (LIBTSAN_EARLY_SPEC): Don't link against
        libasan_preinit.o.

2013-03-08  Marek Polacek  <polacek@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56478
        * predict.c (is_comparison_with_loop_invariant_p): Change the
        type of loop_step to tree.
        (predict_loops): Adjust.
        (predict_iv_comparison): Perform the computations on double_ints.

2013-03-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56570
        * tree-cfg.c (verify_expr_location_1): Verify locations for
        DECL_DEBUG_EXPR.
        * tree-sra.c (create_access_replacement): Strip locations
        from DECL_DEBUG_EXPRs.

2013-03-08  Richard Biener  <rguenther@suse.de>

        * tree-inline.c (expand_call_inline): Do not associate
        a BLOCK with the location in BLOCK_SOURCE_LOCATION.
        * tree-cfg.c (verify_location): Verify BLOCK_SOURCE_LOCATION.

2013-03-08  Richard Biener  <rguenther@suse.de>

        * tree-ssa-ter.c (is_replaceable_p): Do not TER across location
        or block changes with -Og.  Fix for location / block encoding
        changes and PHI arguments with locations.

2013-03-07  Steven Bosscher  <steven@gcc.gnu.org>

        * bitmap.c (struct bitmap_descriptor_d): Use unsigned HOST_WIDEST_INT
        for all counters.
        (struct output_info): Likewise.
        (register_overhead): Remove bad gcc_assert.
        (bitmap_find_bit): If there is only a single bitmap element, do not
        count a miss as a search.
        (print_statistics): Update for counter type changes.
        (dump_bitmap_statistics): Likewise.  Print headers such that they
        are properly lined up with the printed counters.

2013-03-07  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56559
        * tree-ssa-reassoc.c (zero_one_operation): When looking at rhs2,
        check that it has only a single use.

2013-03-07  Richard Biener  <rguenther@suse.de>

        * doc/invoke.texi (fwhole-program): Discourage use in combination
        with -flto.

2013-03-06  Jakub Jelinek  <jakub@redhat.com>

        * config/arm/t-arm (TM_H, OPTIONS_H_EXTRA): Add arm-cores.def.

        PR tree-optimization/56539
        * tree-tailcall.c (adjust_return_value_with_ops): Use GSI_SAME_STMT
        instead of GSI_CONTINUE_LINKING as last argument to
        force_gimple_operand_gsi.  Adjust function comment.

        * config/aarch64/t-aarch64 (TM_H, OPTIONS_H_EXTRA): Add
        aarch64-cores.def.

        PR middle-end/56548
        * expr.c (expand_cond_expr_using_cmove): When expanding cmove in
        promoted mode, convert the result back to the original mode.

2013-03-06  Richard Biener  <rguenther@suse.de>

        PR middle-end/56294
        * tree-into-ssa.c (insert_phi_nodes_for): Add dumping.
        (insert_updated_phi_nodes_compare_uids): New function.
        (update_ssa): Sort symbols_to_rename after UID before
        traversing it to insert PHI nodes.

2013-03-06  Richard Biener  <rguenther@suse.de>

        PR middle-end/50494
        * tree-vect-data-refs.c (vect_can_force_dr_alignment_p):
        Do not adjust alignment of DECL_IN_CONSTANT_POOL decls.

        Revert
        2013-02-13  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.

2013-03-06  Joey Ye  <joey.ye@arm.com>

        PR lto/50293
        * gcc.c (convert_white_space): New function.
        (main): Handles white space in function name.

2013-03-06  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/56529
        * config/sh/sh.c (sh_option_override): Check for TARGET_DYNSHIFT
        instead of TARGET_SH2 for call-table case.  Do not set sh_div_strategy
        to SH_DIV_CALL_TABLE for TARGET_SH2.
        * config.gcc (sh_multilibs): Add m2 and m2a to sh*-*-linux* multilib
        list.
        * doc/invoke.texi (SH options): Document mdiv= call-div1, call-fp,
        call-table options.

2013-03-05  Sterling Augustine  <saugustine@google.com>
            Cary Coutant  <ccoutant@google.com>

        PR debug/55364
        * dwarf2out.c (resolve_addr): Don't call
        remove_loc_list_addr_table_entries a second time for the same
        expression.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR debug/56510
        * cfgexpand.c (expand_debug_parm_decl): Call copy_rtx on incoming.
        (avoid_complex_debug_insns): New function.
        (expand_debug_locations): Call it.

        PR rtl-optimization/56484
        * ifcvt.c (noce_process_if_block): If else_bb is NULL, avoid extending
        lifetimes of hard registers on small register class machines.

2013-03-05  David Holsgrove  <david.holsgrove@xilinx.com>

        * config/microblaze/microblaze-protos.h: Rename
        microblaze_is_interrupt_handler to microblaze_is_interrupt_variant.
        * config/microblaze/microblaze.c (microblaze_attribute_table): Add
        fast_interrupt.
        (microblaze_fast_interrupt_function_p): New function.
        (microblaze_is_interrupt_handler): Rename to
        microblaze_is_interrupt_variant and add fast_interrupt check.
        (microblaze_must_save_register): Use microblaze_is_interrupt_variant.
        (save_restore_insns): Likewise.
        (compute_frame_size): Likewise.
        (microblaze_function_prologue): Add FAST_INTERRUPT_NAME.
        (microblaze_globalize_label): Likewise.
        * config/microblaze/microblaze.h: Define FAST_INTERRUPT_NAME.
        * config/microblaze/microblaze.md: Use wrapper
        microblaze_is_interrupt_variant.

2013-03-05  Kai Tietz  <ktietz@redhat.com>

        * sdbout.c (sdbout_one_type): Switch to current function's section
        supporting cold/hot.

2013-03-05  David Holsgrove  <david.holsgrove@xilinx.com>

        * doc/invoke.texi (MicroBlaze): Add -mbig-endian, -mlittle-endian,
        -mxl-reorder.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56461
        * ggc-common.c (gt_pch_save): For ENABLE_VALGRIND_CHECKING,
        if VALGRIND_GET_VBITS is defined, temporarily make object
        memory all defined, and restore previous valgrind addressability
        and definability afterwards.  Free this_object at the end.

        PR middle-end/56461
        * lra.c (lra): Call lra_clear_live_ranges if live_p,
        right before calling lra_create_live_ranges, also call it
        when clearing live_p.  Only call lra_clear_live_ranges
        at the end if live_p.

        PR middle-end/56461
        * sched-deps.c (delete_dep_node): Free DEP_REPLACE.

2013-03-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56521
        * tree-ssa-sccvn.c (set_value_id_for_result): Always initialize
        value-id.

2013-03-05  Steven Bosscher  <steven@gcc.gnu.org>

        PR c++/55135
        * except.h (remove_unreachable_eh_regions): New prototype.
        * except.c (remove_eh_handler_splicer): New function, split out
        of remove_eh_handler.
        (remove_eh_handler): Use remove_eh_handler_splicer.  Add comment
        warning about running it on many EH regions one at a time.
        (remove_unreachable_eh_regions_worker): New function, walk the
        EH tree in depth-first order and remove non-marked regions.
        (remove_unreachable_eh_regions): New function.
        * tree-eh.c (mark_reachable_handlers): New function, split out
        from remove_unreachable_handlers.
        (remove_unreachable_handlers): Use mark_reachable_handlers and
        remove_unreachable_eh_regions.
        (remove_unreachable_handlers_no_lp): Use mark_reachable_handlers
        and remove_unreachable_eh_regions.

2013-03-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/56525
        * loop-init.c (fix_loop_structure): Remove loops in two stages,
        not freeing them until the end.

2013-03-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.h: Define DWARF2_ASM_LINE_DEBUG_INFO.

2013-03-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56270
        * tree-vect-slp.c (vect_schedule_slp): Clear vectorized stmts
        of loads after scheduling an SLP instance.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (dg_target_exps): Add aarch64.exp, epiphany.exp and
        tic6x.exp.
        (check_gcc_parallelize): Run guality.exp as a separate job from
        vect.exp with unsorted.exp and $(dg_target_exps) separately from
        struct-layout-1.exp with stackalign.exp.

        * alias.c (init_alias_analysis): Clear reg_known_equiv_p bitmap.

        PR middle-end/56461
        * tree-vect-slp.c (vect_supported_load_permutation_p): Free
        load_index sbitmap even if some bit in it isn't set.

        PR middle-end/56461
        * tree-ssa-loop-niter.c (bb_queue): Remove typedef.
        (discover_iteration_bound_by_body_walk): Change queues to
        vec<vec<basic_block> > and queue to vec<basic_block>.  Fix up
        spelling in comment.  Call safe_push on queues[bound_index] directly.
        Release queues[queue_index] in every iteration unconditionally.
        Release bounds vector.

        PR middle-end/56461
        * tree-vect-stmts.c (free_stmt_vec_info_vec): Call
        free_stmt_vec_info on any left-over stmt_vec_info in the vector.
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Release
        inner_phis vector.

2013-03-05  Richard Biener  <rguenther@suse.de>

        PR lto/56515
        * tree-inline.c (remap_blocks_to_null): New function.
        (expand_call_inline): When expanding a call stmt without
        an associated block inline remap all callee blocks to NULL.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/56494
        * simplify-rtx.c (simplify_truncation): If C is narrower than A,
        optimize (truncate:A (subreg:B (truncate:C X) 0)) into
        (subreg:A (truncate:C X) 0) instead of (truncate:A X).

        PR middle-end/56461
        * sel-sched-ir.c (free_sched_pools): Release
        succs_info_pool.stack[succs_info_pool.max_top] vectors too
        if succs_info_pool.max_top isn't -1.

        PR bootstrap/56509
        * opts.c (opts_obstack, opts_concat): Moved to...
        * opts-common.c (opts_obstack, opts_concat): ... here.

2013-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56461
        * diagnostic.c (diagnostic_append_note): Save and restore old prefix.

2013-03-04  Martin Jambor  <mjambor@suse.cz>

        * tree-dfa.c (get_or_create_ssa_default_def): Use parameter fn in
        all appropriate places.

2013-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/56424
        * ipa-split.c (split_function): Do not set the RSO flag if result is
        not by reference and its type is a register type.

2013-03-04  David Holsgrove  <david.holsgrove@xilinx.com>

        * config/microblaze/microblaze.c (microblaze_valid_pic_const): New
        (microblaze_legitimate_pic_operand): Likewise
        * config/microblaze/microblaze.h (LEGITIMATE_PIC_OPERAND_P): calls
        new function microblaze_legitimate_pic_operand
        * config/microblaze/microblaze-protos.h
        (microblaze_legitimate_pic_operand): Declare.

2013-03-04  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config/microblaze/predicates.md (call_insn_simple_operand):
        New predicate for supported rtx code types.
        * config/microblaze/microblaze.md (call_internal1): Use
        call_insn_simple_operand predicate.

2013-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56461
        * tree-loop-distribution.c (ldist_gen): Call partition_free after each
        partitions.ordered_remove.

        PR middle-end/56461
        * tree-vect-stmts.c (vectorizable_conversion): Don't call
        vec_oprnds0.create (1) for modifier == NONE.

        PR middle-end/56461
        * tree-vect-stmts.c (vectorizable_shift): Don't call create methods
        on vec_oprnds0 or vec_oprnds1 before loop, only call it on
        vec_oprnds1 right before pushing anything to it for
        scalar_shift_arg.

        PR middle-end/56461
        * tree-vect-loop.c (destroy_loop_vec_info): For !clean_stmts, just
        set nbbs to 0 instead of having separate code path.
        (vect_analyze_loop_form): Call destroy_loop_vec_info with true
        instead of false as last argument if returning NULL.

2013-03-03  Sandra Loosemore  <sandra@codesourcery.com>

        * target.def (TARGET_OPTION_VALID_ATTRIBUTE_P): Update comments;
        the attribute is now called "target" instead of "option".
        (TARGET_OPTION_PRAGMA_PARSE): Likewise, for the pragma.
        * doc/tm.texi.in (Target Attributes):  Likewise document the correct
        attribute/pragma name for TARGET_OPTION_VALID_P and
        TARGET_OPTION_PRAGMA_PARSE.  Also copy-edit and correct markup.
        * doc/tm.texi: Regenerated.

2013-03-02  David Holsgrove  <david.holsgrove@xilinx.com>

        * config/microblaze/microblaze.c:
        Check mcpu, pcmp requirement and set TARGET_REORDER to 0 if not met.
        * config/microblaze/microblaze.h: Add -mxl-reorder to
        DRIVER_SELF_SPECS.
        * config/microblaze/microblaze.md: New bswapsi2 and bswaphi2.
        instructions emitted if TARGET_REORDER.
        * config/microblaze/microblaze.opt: New option -mxl-reorder set to 1
        or 0 for -m/-mno case, but initialises as 2 to detect default use case
        separately.

2013-03-01  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-uninit.c (compute_control_dep_chain): Limit post-dom
        walk length.

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

        PR middle-end/56461
        * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Release path
        vector even when returning true.  Fix up function comment formatting.

        PR middle-end/56461
        * ira-build.c (ira_loop_nodes_count): New variable.
        (create_loop_tree_nodes): Initialize it.
        (finish_loop_tree_nodes): Use it instead of looking at current_loops.

        PR middle-end/56461
        * tree-vect-data-refs.c (vect_permute_store_chain): Avoid using copy
        method on dr_chain and result_chain.
        * tree-vect-stmts.c (vectorizable_store): Only call
        result_chain.create if j == 0.

        PR middle-end/56461
        * tree-vect-stmts.c (vect_create_vectorized_promotion_stmts): Call
        vec_oprnds0->release (); rather than vec_oprnds0->truncate (0)
        before overwriting it.

2013-03-01  Tobias Burnus  <burnus@net-b.de>

        * doc/extended.texi (C Extensions): Change order in @menu
        to match @node.
        (Other MIPS Built-in Functions): Move last MIPS entry before
        "picoChip Built-in Functions".
        (SH Built-in Functions): Move after RX Built-in Functions.
        * doc/gcc.texi (Introduction): Change order in @menu
        to match @node.
        * doc/md.texi (Constraints): Ditto.
        * gty.texi (Type Information): Ditto.
        (User-provided marking routines for template types): Make
        subsection.
        * doc/invoke.texi (AArch64 Options): Move before
        "Adapteva Epiphany Options".

2013-02-28  Konstantin Serebryany  <konstantin.s.serebryany@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/56454
        * asan.c (gate_asan): Lookup no_sanitize_address instead of
        no_address_safety_analysis attribute.
        * doc/extend.texi (no_address_safety_attribute): Rename to
        no_sanitize_address attribute, mention no_address_safety_analysis
        attribute as deprecated alias.

2013-02-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56461
        * tree-vectorizer.h (vect_get_slp_defs): Change 3rd argument
        type to vec<vec<tree> > *.
        * tree-vect-slp.c (vect_get_slp_defs): Likewise.  Change vec_defs
        to be vec<tree> instead of vec<tree> *, set vec_defs
        to vNULL and call vec_defs.create (number_of_vects), adjust other
        uses of vec_defs.
        * tree-vect-stmts.c (vect_get_vec_defs, vectorizable_call,
        vectorizable_condition): Adjust vect_get_slp_defs callers.

2013-02-28  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c
        (aarch64_float_const_representable): Remove unused variable.

2013-02-28  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c (aarch64_mangle_type): Make static.

2013-02-28  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-builtins.c
        (aarch64_init_simd_builtins): Make static.

2013-02-28  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c
        (aarch64_simd_make_constant): Make static.

2013-02-28  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (load_assign_lhs_subreplacements): Do not put replacements
        with no initialization to the RHS of debug statements.

2013-02-28  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/56294
        * tree-sra.c (analyze_access_subtree): Create replacement declarations.
        Adjust dumping.
        (get_access_replacement): Do not call create_access_replacement.
        Assert a replacement exists.
        (get_repl_default_def_ssa_name): Create the replacement declaration
        itself.

2013-02-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_output_mi_thunk): Call final_start_function and
        final_end_function.

2013-02-28  Marek Polacek  <polacek@redhat.com>

        PR rtl-optimization/56466
        * loop-unroll.c (unroll_and_peel_loops): Call fix_loop_structure
        if we're changing a loop.
        (peel_loops_completely): Likewise.

2013-02-28  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/55813
        * doc/invoke.texi ([-Wctor-dtor-privacy]): Complete.

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

        PR target/56445
        * config/avr/avr.c (avr_init_builtins): Use 'n' instead of empty
        macro parameters with: FX_FTYPE_FX, FX_FTYPE_FX_INT, INT_FTYPE_FX,
        INTX_FTYPE_FX, FX_FTYPE_INTX.
        * config/avr/builtins.def: Adjust respective DEF_BUILTIN.

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 first time.

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.
        * 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
Copyright (C) 2013 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.