[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

2014-05-07  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2013-09-10  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/58365
        * cfgcleanup.c (merge_memattrs): Also clear MEM_READONLY_P
        resp. MEM_NOTRAP_P if they differ, or set MEM_VOLATILE_P if
        it differs.

        2013-08-30  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/58277
        * tree-ssa-strlen.c (strlen_enter_block): If do_invalidate gave up
        after seeing too many stmts with vdef in between dombb and current
        bb, invalidate everything.

        2013-08-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/58209
        * tree-tailcall.c (find_tail_calls): Give up for pointer result types
        if m or a is non-NULL.

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

        PR target/57777
        * config/i386/predicates.md (vsib_address_operand): Disallow
        SYMBOL_REF or LABEL_REF in parts.disp if TARGET_64BIT && flag_pic.

        2013-06-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/57623
        * config/i386/i386.md (bmi_bextr_<mode>): Swap predicates and
        constraints of operand 1 and 2.

        PR target/57623
        * config/i386/i386.md (bmi2_bzhi_<mode>3): Swap AND arguments
        to match RTL canonicalization.  Swap predicates and
        constraints of operand 1 and 2.

2014-05-07  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2013-11-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59164
        * tree-vect-loop.c (vect_analyze_loop_operations): Adjust
        check whether we can create an epilogue loop to reflect the
        cases where we create one.

2014-05-07  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2013-11-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59334
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Fix bug
        in previous commit.

        2013-11-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59330
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Simplify
        and fix delayed marking of free calls not necessary.

        2014-01-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59715
        * tree-cfg.h (split_critical_edges): Declare.
        * tree-cfg.c (split_critical_edges): Export.
        * tree-ssa-sink.c (execute_sink_code): Split critical edges.

2014-05-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/57864
        * tree-ssa-pre.c (phi_translate_1): Backport NAME case
        simplification from mainline.  Do not lookup the VN
        value-number here.

2014-05-07  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2013-08-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/58246
        * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1): Properly
        handle the dominance check inside a basic-block.

2014-05-06  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2013-05-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/57417
        * tree-ssa-sccvn.c (set_ssa_val_to): Compare addresses using
        get_addr_base_and_unit_offset.

2014-04-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/60941
        * config/sparc/sparc.md (ashlsi3_extend): Delete.

2014-04-23  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2014-04-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/60909
        * config/i386/i386.c (ix86_expand_builtin)
        <case IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Use temporary
        register for target RTX.

2014-04-07  Martin Jambor  <mjambor@suse.cz>

        PR ipa/60640
        * ipa-cp.c (propagate_constants_accross_call): Do not propagate
        accross thunks.

2014-04-07  Dominique d'Humieres <dominiq@lps.ens.fr>

        Backport from mainline
        2013-09-14  Iain Sandoe <iains@gcc.gnu.org>

        PR target/48094
        * config/darwin.c (darwin_objc2_section): Note if ObjC Metadata
        is seen.
        (darwin_objc1_section): Likewise.
        (darwin_file_end): Emit Image Info section when required.

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

        * tree-ssanames.c (make_ssa_name_fn): Fix assert.

2014-04-01  Richard Biener  <rguenther@suse.de>

        * gimple.h (struct gimple_statement_base): Align subcode to
        16 bits.

2014-04-01  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * doc/invoke.texi (mapp-regs): Clarify.

2014-03-23  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/60601
        * bb-reorder.c (fix_up_fall_thru_edges): Test EDGE_FALLTHRU everywhere.

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

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

2014-03-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Remove space.

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

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

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

        Backport from mainline
        2013-11-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/58941
        * tree-dfa.c (get_ref_base_and_extent): Merge common code
        in MEM_REF and TARGET_MEM_REF handling.  Make sure to
        process trailing array detection before diving into the
        view-converted object (and possibly apply some extra offset).

        2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
        computation using the precision of the index type.

        2012-05-31  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-dfa.c (get_ref_base_and_extent): Compute the offset using
        double ints throughout.

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

        Backport from mainline
        2013-08-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/57521
        * tree-if-conv.c (if_convertible_bb_p): Verify that at least
        one edge is non-critical.
        (find_phi_replacement_condition): Make sure to use a non-critical
        edge.  Cleanup and remove old bug workarounds.
        (bb_postdominates_preds): Remove.
        (if_convertible_loop_p_1): Do not compute post-dominators.
        (combine_blocks): Do not free post-dominators.
        (main_tree_if_conversion): Likewise.

        2013-09-03  Richard Biener  <rguenther@suse.de>

        PR middle-end/57656
        * fold-const.c (negate_expr_p): Fix division case.
        (negate_expr): Likewise.

        2013-11-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/57517
        * tree-predcom.c (combinable_refs_p): Verify the combination
        is always executed when the refs are.

2014-03-17  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2013-05-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/57303
        * tree-ssa-sink.c (statement_sink_location): Properly handle
        self-assignments.

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

        PR tree-optimization/59139
        * tree-ssa-loop-niter.c (chain_of_csts_start): Properly match
        code in get_val_for.
        (get_val_for): Use gcc_checking_asserts.

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

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

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

        Backport from 2014-03-14 trunk r208562.

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

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

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

2014-02-21  Uros Bizjak  <ubizjak@gmail.com>

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

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

        Backport from 4.8 branch
        2014-02-20  Jakub Jelinek  <jakub@redhat.com>

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

2014-02-20  Terry Guo  <terry.guo@arm.com>

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

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

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

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

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

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

        Backport from mainline
        PR target/60193
        * config/i386/i386.c (ix86_expand_prologue): Use
        rax register as displacement for restoring %r10, %rax.
        Additional fix wrong offset for restoring both-registers.

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

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

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

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

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

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

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

2014-02-12  H.J. Lu  <hongjiu.lu@intel.com>

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

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

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

        * doc/invoke.texi: Fix thinko introduced by previous revision.

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

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

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

2014-02-04  Uros Bizjak  <ubizjak@gmail.com>

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

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

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

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

        * config/i386/f16cintrin.h (_cvtsh_ss): Avoid -Wnarrowing warning.

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

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

2014-01-29  Markus Trippelsdorf  <markus@trippelsdorf.de>

        Backport from mainline
        2012-12-13  Jakub Jelinek  <jakub@redhat.com>

        PR gcov-profile/55650
        * coverage.c (coverage_obj_init): Return false if no functions
        are being emitted.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * config/tilegx/tilegx.c (tilegx_expand_to_rtl_hook): New.
        (TARGET_EXPAND_TO_RTL_HOOK): Define.

2014-01-22  Uros Bizjak  <ubizjak@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/59880
        * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false
        for SImode_address_operand operands.  Return false
        if operands[1] is a REG.

2014-01-21  Andrey Belevantsev  <abel@ispras.ru>

        Backport from mainline
        2013-12-23  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/57422
        * sel-sched.c (mark_unavailable_hard_regs): Fix typo when calling
        add_to_hard_reg_set.

2014-01-19  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_attr_length_millicode_call): Correct length of
        long non-pic millicode calls.

2014-01-17  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_attr_length_indirect_call): Don't output a short
        call to $$dyncall when TARGET_LONG_CALLS is true.

2014-01-17  Charles Baylis  <charles.baylis@linaro.org>

        Backport from mainline
        2013-12-19  Charles Baylis  <charles.baylis@linaro.org>

        PR target/59142
        * config/arm/arm-ldmstm.ml: Use low_register_operand for Thumb
        patterns.
        * config/arm/ldmstm.md: Regenerate.

        2013-12-19  Charles Baylis  <charles.baylis@linaro.org>

        PR target/59142
        * config/arm/predicates.md (arm_hard_general_register_operand):
        New predicate.
        (arm_hard_register_operand): Remove.
        * config/arm/arm-ldmstm.ml: Use arm_hard_general_register_operand
        for all patterns.
        * config/arm/ldmstm.md: Regenerate.

2014-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/59839
        * config/i386/i386.c (ix86_expand_builtin): If target doesn't
        satisfy operand 0 predicate for gathers, use a new pseudo as
        subtarget.

2014-01-16  Richard Henderson  <rth@redhat.com>

        PR debug/54694
        * reginfo.c (global_regs_decl): Globalize.
        * rtl.h (global_regs_decl): Declare.
        * ira.c (do_reload): Diagnose frame_pointer_needed and it
        reserved via global_regs.

2014-01-16  Marek Polacek  <polacek@redhat.com>

        Backport from mainline
        2014-01-16  Marek Polacek  <polacek@redhat.com>

        PR middle-end/59827
        * gimple-low.c (gimple_check_call_args): Don't use DECL_ARG_TYPE if
        it is error_mark_node.

2014-01-14  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        2014-01-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_data_alignment): Calculate max_align
        from prefetch_block tune setting.

2014-01-10  Richard Earnshaw  <rearnsha@arm.com>

        PR rtl-optimization/54300
        * regcprop.c (copyprop_hardreg_forward_1): Ensure any unused
        outputs in a single-set are killed from the value chains.

2014-01-10  Huacai Chen  <chenhc@lemote.com>

        * config/mips/driver-native.c (host_detect_local_cpu): Handle new
        kernel strings for Loongson-2E/2F/3A.

2014-01-08  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2014-01-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_data_alignment): Calculate max_align
        from prefetch_block tune setting.
        (nocona_cost): Correct size of prefetch block to 64.

2013-12-28  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/invoke.texi (output file options): Add missing markers.

2013-12-11  Kai Tietz  <ktietz@redhat.com>

        PR target/56807
        * config/i386/i386.c (ix86_expand_prologue): plus_constant
        takes no mode-argument.

2013-12-10  Kai Tietz  <ktietz@redhat.com>

        PR target/56807
        * config/i386/i386.c (ix86_expand_prologue): Address saved
        registers stack-relative, not via frame-pointer.

2013-12-03  Marek Polacek  <polacek@redhat.com>

        Backport from mainline
        2013-12-03  Marek Polacek  <polacek@redhat.com>

        PR c/59351
        * c-decl.c (build_compound_literal): Allow compound literals with
        empty initial value.

2013-12-01  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/winnt.c (i386_pe_asm_named_section): Be prepared for an
        identifier node.

2013-11-28  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-11-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/56788
        * config/i386/i386.c (bdesc_multi_arg) <IX86_BUILTIN_VFRCZSS>:
        Declare as MULTI_ARG_1_SF instruction.
        <IX86_BUILTIN_VFRCZSD>: Decleare as MULTI_ARG_1_DF instruction.
        * config/i386/sse.md (*xop_vmfrcz<mode>2): Rename
        from *xop_vmfrcz_<mode>.
        * config/i386/xopintrin.h (_mm_frcz_ss): Use __builtin_ia32_movss
        to merge scalar result with __A.
        (_mm_frcz_sd): Use __builtin_ia32_movsd to merge scalar
        result with __A.

2013-11-19  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-11-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_decompose_address): Use REG_P instead of
        ix86_address_subreg_operand.  Move subreg checks to
        ix86_validate_address_register.  Move address override check to
        ix86_legitimate_address_p.
        (ix86_validate_address_register): New function.
        (ix86_legitimate_address_p): Call ix86_validate_address_register
        to validate base and index registers.  Add address override check
        from ix86_decompose_address.
        (ix86_decompose_address): Remove.

        Backport from mainline
        2013-11-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/59153
        * config/i386/i386.c (ix86_address_subreg_operand): Do not
        reject non-integer subregs.
        (ix86_decompose_address): Do not reject invalid CONST_INT RTXes.
        Move check for invalid x32 constant addresses ...
        (ix86_legitimate_address_p): ... here.

        Bacport from mainline
        2012-03-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
        addresses only when %reg is not in word mode.

2013-11-10  Karlson2k  <k2k@narod.ru>
            Kai Tietz  <ktietz@redhat.com>

        Merged from trunk
        PR plugins/52872
        * configure.ac: Adding for exported symbols check
        and for rdynamic-check executable-extension.
        * configure: Regenerated.

2013-11-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/59034
        * config/i386/i386.md (push peepholer/splitter): Use Pmode
        with stack_pointer_rtx.

2013-11-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/t-rtems (MULTILIB_MATCHES): Fix option typos.

2013-10-26  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-10-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/58779
        * config/i386/i386.c (put_condition_code) <case GTU, case LEU>:
        Remove CCCmode handling.
        <case LTU>: Return 'c' suffix for CCCmode.
        <case GEU>: Return 'nc' suffix for CCCmode.
        (ix86_cc_mode) <case GTU, case LEU>: Do not generate overflow checks.
        * config/i386/i386.md (*sub<mode>3_cconly_overflow): Remove.
        (*sub<mode>3_cc_overflow): Ditto.
        (*subsi3_zext_cc_overflow): Ditto.

2013-10-26  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-10-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/58792
        * config/i386/i386.c (ix86_function_value_regno): Add DX_REG,
        ST1_REG and XMM1_REG for 32bit and 64bit targets.  Also add DI_REG
        and SI_REG for 64bit SYSV ABI targets.

2013-10-25  Richard Henderson  <rth@twiddle.net>

        PR rtl/58542
        * optabs.c (maybe_emit_atomic_exchange): Use create_input_operand
        instead of create_convert_operand_to.
        (maybe_emit_sync_lock_test_and_set): Likewise.
        (expand_atomic_compare_and_swap): Likewise.
        (maybe_emit_compare_and_swap_exchange_loop): Don't convert_modes.

2013-10-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/58831
        * alias.c (init_alias_analysis): At the beginning of each iteration,
        set the reg_seen[N] flag if static_reg_base_value[N] is non-null.

2013-10-25  Eric Botcazou  <ebotcazou@adacore.com>

        * recog.c (search_ofs): New static variable moved from...
        (peep2_find_free_register): ...here.
        (peephole2_optimize): Initialize it.

2013-10-02  John David Anglin  <danglin@gcc.gnu.org>

        * config.gcc (hppa*64*-*-linux*): Don't add pa/t-linux to tmake_file.

2013-09-23  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-ccp.c (insert_clobber_before_stack_restore): Recurse on copy
        assignment statements.

2013-09-20  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.md: In "scc" insn patterns, change output template to
        handle const0_rtx in reg_or_0_operand operands.

2013-09-18  Daniel Morris  <danielm@ecoscentric.com>
            Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58458
        * doc/implement-cxx.texi: Fix references to the C++ standards.

2013-09-14  John David Anglin  <danglin@gcc.gnu.org>

        PR target/58382
        * config/pa/pa.c (pa_expand_prologue): Change mode in gen_rtx_POST_INC
        calls to word_mode.

2013-09-12  Terry Guo  <terry.guo@arm.com>

        Backport from mainline
        2012-09-17  Richard Guenther  <rguenther@suse.de>

        PR lto/54598
        * tree-streamer-in.c (unpack_ts_real_cst_value_fields): Use ggc'ed
        FIXED_VALUE_TYPE instead of struct fixed_value.

2013-09-10  Richard Earnshaw  <rearnsha@arm.com>

        PR target/58361
        * arm/vfp.md (combine_vcvt_f32_<FCVTI32typename>): Fix pattern to
        support conditional execution.
        (combine_vcvt_f64_<FCVTI32typename>): Likewise.

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

        Backport from mainline
        2013-08-31  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_emit_conditional_move): Update
        "cmp" RTX before signed_comparison_operator check to account
        for "code" changes.

2013-09-01  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.md: Allow "const 0" operand 1 in "scc" insns.

2013-09-01  Iain Sandoe  <iain@codesourcery.com>

        Backported from 4.8
        2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/tm.texi.in (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE,
        TARGET_OBJC_DECLARE_CLASS_DEFINITION): Add @hooks.
        (ASM_DECLARE_CLASS_REFERENCE, ASM_DECLARE_UNRESOLVED_REFERENCE):
        Remove.
        * doc/tm.texi: Regenerate.
        * config/darwin.h (ASM_OUTPUT_LABELREF): Remove special case for
        .objc_class_name_*.
        * config/darwin-c.c: Include target.h.
        (darwin_objc_declare_unresolved_class_reference): New function.
        (darwin_objc_declare_class_definition): New function.
        (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE): Define.
        (TARGET_OBJC_DECLARE_CLASS_DEFINITION): Define.

2013-09-01  Iain Sandoe  <iain@codesourcery.com>

        Backport from mainline:
        2013-07-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (nonlocal_goto_receiver): Delete insn if
        it is not needed after split.

        2013-07-20  Iain Sandoe  <iain@codesourcery.com>

        PR target/51784
        * config/i386/i386.c (output_set_got) [TARGET_MACHO]: Adjust to emit a
        second label for nonlocal goto receivers. Don't output pic base labels
        unless we're producing PIC; mark that action unreachable().
        (ix86_save_reg): If the function contains a nonlocal label, save the
        PIC base reg.
        * config/darwin-protos.h (machopic_should_output_picbase_label): New.
        * gcc/config/darwin.c (emitted_pic_label_num): New GTY.
        (update_pic_label_number_if_needed): New.
        (machopic_output_function_base_name): Adjust for nonlocal receiver
        case.
        (machopic_should_output_picbase_label): New.
        * config/i386/i386.md (enum unspecv): UNSPECV_NLGR: New.
        (nonlocal_goto_receiver): New insn and split.

2013-08-28  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-08-27  Christian Widmer  <shadow@umbrox.de>

        PR target/57927
        * config/i386/driver-i386.c (host_detect_local_cpu): Add detection
        of Ivy Bridge processors.

2013-08-21  Richard Earnshaw  <rearnsha@arm.com>

        PR target/56979
        * arm.c (aapcs_vfp_allocate): Decompose the argument if the
        suggested mode for the assignment isn't compatible with the
        registers required.

2013-08-17  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-08-12  Perez Read  <netfirewall@gmail.com>

        PR target/58132
        * config/i386/i386.md (*movabs<mode>_1):  Add <ptrsize> PTR before
        operand 0 for intel asm alternative.
        (*movabs<mode>_2): Ditto for operand 1.

2013-08-13  Marek Polacek  <polacek@redhat.com>

        Backport from 4.8:
        2013-0813  Marek Polacek  <polacek@redhat.com>
                   Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/57980
        * tree-tailcall.c (process_assignment): Return false
        when not dealing with integers or floats.

2013-08-12  David Edelsohn  <dje.gcc@gmail.com>

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

        * collect2-aix.h: Define F_LOADONLY.

2013-08-02  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_emit_membar_for_model) <SMM_TSO>: Add
        the implied StoreLoad barrier for atomic operations if before.

2013-07-11  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2013-07-11 trunk r200901.

        PR target/57631
        * config/avr/avr.c (avr_set_current_function): Sanity-check signal
        name seen by assembler/linker if available.

2013-07-10  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2013-07-10 trunk r200872.

        PR target/57844
        * config/avr/avr.c (avr_prologue_setup_frame): Trunk -size to mode
        of my_fp.

2013-07-10  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-07-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (sse_movlhps): Change alternative 3
        of operand 2 to "m".

2013-07-09  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Only
        adjust register size for TDmode and TFmode for VSX registers.

2013-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * Makefile.in (tree-ssa-reassoc.o): Add dependency on $(PARAMS_H).

2013-07-08  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/57829
        * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Ensure that
        mask bits outside of mode are just sign-extension from mode to HWI.

2013-07-05  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-06-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/57655
        * config/i386/i386.c (construct_container): Report error if
        long double is used with disabled x87 float returns.

2013-06-21  David Edelsohn  <dje.gcc@gmail.com>

        Backport from mainline
        2013-06-19  David Edelsohn  <dje.gcc@gmail.com>

        PR driver/57652
        * collect2.c (collect_atexit): New.
        (collect_exit): Delete.
        (main): Register collect_atexit with atexit.
        (collect_wait): Change collect_exit to exit.
        (do_wait): Same.
        * collect2.h (collect_exit): Delete.
        * tlink.c (do_tlink): Rename exit to ret. Change collect_exit to exit.

2013-06-07  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-06-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_emit_xfloating_compare): Also use
        cmp_code to construct REG_EQUAL note.

        Backport from mainline
        2013-06-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_emit_conditional_move): Swap all
        GE, GT, GEU and GTU compares, modulo DImode compares with zero.

        Backport from mainline
        2013-05-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/57379
        * config/alpha/alpha.md (unspec): Add UNSPEC_XFLT_COMPARE.
        * config/alpha/alpha.c (alpha_emit_xfloating_compare): Construct
        REG_EQUAL note as UNSPEC_XFLT_COMPARE unspec.

2013-06-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/57568
        * config/i386/i386.md (TARGET_READ_MODIFY_WRITE peepholes): Ensure
        that operands[2] doesn't overlap with operands[0].

2013-05-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/57356
        * config/i386/i386.md (*movti_internal_rex64): Emit movaps/movups
        for non-sse2 targets.  Simplify mode attribute calculation.

2013-05-17  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-05-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Determine
        cache parameters using detect_caches_amd also for CYRIX,
        NSC and TM2 signatures.

        2013-05-16  Uros Bizjak  <ubizjak@gmail.com>
                    Dzianis Kahanovich  <mahatma@eu.by>

        PR target/45359
        PR target/46396
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        VIA/Centaur processors and determine their cache parameters
        using detect_caches_amd.

        2013-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_option_override_internal): Add
        PTA_POPCNT to corei7 entry.

2013-05-14  Richard Biener  <rguenther@suse.de>

        PR gcov-profile/57269
        Backport from mainline
        2012-06-30  Nathan Sidwell  <nathan@acm.org>

        * coverage.c (coverage_init): Read counts file before writing
        graph header.

2013-05-13  Uros Bizjak  <ubizjak@gmail.com>

        PR target/57264
        Backport from mainline
        2013-01-22  Jakub Jelinek  <jakub@redhat.com>

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

2013-05-10  Joey Ye  <joey.ye@arm.com>

        Backport from mainline
        2012-11-29  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>

        PR target/54974
        * config/arm/arm.md (thumb2_pool_range, pool_range): Add comment on
        Thumb pool ranges.
        (thumb1_extendhisi2): Reduce Thumb pool range.
        (arm_movdi): Likewise.
        (thumb1_movdi_insn): Likewise.
        (thumb1_movsi_insn): Likewise.
        (pic_load_addr_unified): Likewise.
        (pic_load_addr_32bit): Likewise.
        (pic_load_addr_thumb1): Likewise.
        (thumb1_movhf): Likewise.
        (arm_movsf_soft_insn): Likewise.
        (thumb1_movsf_soft_insn): Likewise.
        (movdf_soft_insn): Likewise.
        (thumb1_movdf_soft_insn): Likewise.
        * config/arm/neon.md (*neon_mov<mode>): Likewise.
        (*neon_mov<mode>): Likwise.
        * config/arm/thumb2.md: (*thumb2_movsi_insn): Likewise.
        (*thumb2_movhi_insn): Likewise.
        (*thumb2_extendqisi_v6): Likewise.
        (*thumb2_zero_extendqisi_v6): Likewise.
        (*thumb2_zero_extendqisi2_v6): Likewise.
        * config/arm/vfp.md: (*thumb2_movsi_vfp): Likewise.
        (*movdi_vfp): Likewise.
        (*movdi_vfp_cortexa8): Likewise.
        (*thumb2_movsf_vfp): Likewise.
        (*thumb2_movdf_vfp): Likewise.

2013-05-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/arm/t-rtems-eabi: Remove mthumb/march=armv7 multilib.
        Add mthumb/march=armv7-a multilib.
        Add mthumb/march=armv7-r multilib.
        Add mthumb/march=armv7-a/mfpu=neon/mfloat-abi=hard multilib.

2013-05-10  Ralf Corsépius  <ralf.corsepius@rtems.org>

        PR target/57237
        * config/v850/t-rtems: Add more multilibs.

2013-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from trunk
        2013-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/57150
        * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Use DFmode
        to save TFmode registers and DImode to save TImode registers for
        caller save operations.
        (HARD_REGNO_CALL_PART_CLOBBERED): TFmode and TDmode do not need to
        mark being partially clobbered since they only use the first
        double word.

        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): TFmode
        and TDmode only use the upper 64-bits of each VSX register.

2013-05-03  Marek Polacek  <polacek@redhat.com>

        Backport from mainline
        2013-04-25  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/57066
        * builtins.c (fold_builtin_logb): Return +Inf for -Inf.

2013-04-30  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2013-04-29  Uros Bizjak  <ubizjak@gmail.com>

        PR target/44578
        * config/i386/i386.md (*zero_extendsidi2_rex64): Add "!" to m->?*y
        alternative.
        (*zero_extendsidi2): Ditto.

        Backport from mainline
        2013-04-29  Uros Bizjak  <ubizjak@gmail.com>

        PR target/57098
        * config/i386/i386.c (ix86_expand_vec_perm): Validize constant memory.

2013-04-29  Christian Bruel  <christian.bruel@st.com>

        PR target/57108
        * sh.md (tstsi_t_zero_extract_eq): Set mode for operand 0.

2013-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/56866
        * config/i386/sse.md (xop_rotr<mode>3): Fix up computation of
        the immediate rotate count.

2013-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * cfgexpand.c (avoid_complex_debug_insns): Fix C++ism.

2013-04-19  Matthias Klose  <doko@ubuntu.com>

        PR middle-end/56848
        Re-apply
        2013-04-01  Andrey Belevantsev  <abel@ispras.ru>

        Backport from mainline
        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.

        Backport from 4.8:
        2012-08-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * sched-deps.c (add_dependence_list_and_free): Simplify.
        (flush_pending_list_and_free): Fix a hack that was fixing a hack.  Free
        lists when add_dependence_list_and_free doesn't free them.

2013-04-19  Marek Polacek  <polacek@redhat.com>

        Backport from mainline
        2013-01-08  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.

2013-04-16  Jack Howarth  <howarth@bromo.med.uc.edu>

        Backport from mainline
        2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
        * config/darwin.h (STARTFILE_SPEC): Use -no_new_main with -lgcrt1.o
        on Darwin >= 12.
        (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10 and < 12.


        2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
        PR debug/53453
        * doc/tm.texi: Update.
        * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
        * target.def (force_at_comp_dir): New hook.
        * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
        * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.

2013-04-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/56890
        * config/sparc/sparc.c (enum sparc_mode_class): Add H_MODE value.
        (S_MODES): Set H_MODE bit.
        (SF_MODES): Set only S_MODE and SF_MODE bits.
        (DF_MODES): Set SF_MODES and only D_MODE and DF_MODE bits.
        (sparc_init_modes) <MODE_INT>: Set H_MODE bit for sub-word modes.
        <MODE_VECTOR_INT>: Do not set SF_MODE for sub-word modes.
        <MODE_FLOAT>: Likewise.

2013-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        Backport from mainline:
        2013-04-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/55487
        * config/pa/pa.c (legitimize_pic_address): Before incrementing label
        nuses, make sure we have a label.

2013-04-11  Richard Biener  <rguenther@suse.de>

        * BASE-VER: Set to 4.7.4.
        * DEV-PHASE: Set to prerelease.

2013-04-11  Release Manager

        * GCC 4.7.3 released.

2013-04-10  David S. Miller  <davem@davemloft.net>

        * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=supersparc
        or -mcpu=hypersparc.

2013-04-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/56848
        Revert
        2013-04-01  Andrey Belevantsev  <abel@ispras.ru>

        Backport from mainline
        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.

2013-04-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56501
        * tree-switch-conversion.c (check_process_case): Properly
        handle !single_succ_p case.

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

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

        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.

        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.

2013-04-02  Wei Mi  <wmi@google.com>

        * config/i386/i386.c (ix86_rtx_costs): Set proper rtx cost for
        ashl<mode>3_mask, *<shift_insn><mode>3_mask and
        *<rotate_insn><mode>3_mask in i386.md.

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

        PR middle-end/56768
        Backport from mainline
        2012-05-16  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (declare_return_variable): Properly handle
        DECL_BY_REFERENCE return vars in SSA form.

2013-04-01  Wei Mi  <wmi@google.com>

        * config/i386/i386.md (*ashl<mode>3_mask): Rewrite as define_insn.
        Truncate operand 2 using %b asm operand modifier.
        (*<shift_insn><mode>3_mask): Ditto.
        (*<rotate_insn><mode>3_mask): Ditto.

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

        * config/i386/i386.md (*movsf_internal): Change type of
        alternatives 3,4 to imov.

2013-04-01  Andrey Belevantsev  <abel@ispras.ru>

        Backport from mainline
        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.

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

        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.

2013-04-01  Andrey Belevantsev  <abel@ispras.ru>

        Backport from mainline
        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.

2013-04-01  Andrey Belevantsev  <abel@ispras.ru>

        Backport from mainline
        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.

2013-03-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (AVR Options): Tweak link for AVR-LibC user manual.
        * doc/extend.texi (Named Address Spaces): Ditto.
        (Variable Attributes): Ditto.

2013-03-28  Eric Botcazou  <ebotcazou@adacore.com>

        * toplev.c (process_options): Do not disable -fomit-frame-pointer on a
        general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS
        is not enabled.

2013-03-27  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2013-03-27  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (tilegx_expand_prologue): Avoid
        double-decrement of next_scratch_regno.

2013-03-27  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2013-03-27  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.md (insn_v1mulu): Fix predicates on
        input operands.
        (insn_v1mulus): Ditto.
        (insn_v2muls): Ditto.

2013-03-27  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2013-03-27  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.h (ASM_OUTPUT_ADDR_VEC_ELT): Delete
        extra tab.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Ditto.

2013-03-27  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2013-03-27  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.md (*sibcall_insn): Fix type atribute
        for jr.
        (*sibcall_value): Ditto.

2013-03-27  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2013-03-27  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.md (insn_mnz_<mode>): Replaced by ...
        (insn_mnz_v8qi): ... this ...
        (insn_mnz_v4hi): ... and this.  Replace (const_int 0) with the
        vector equivalent.
        (insn_v<n>mnz): Replaced by ...
        (insn_v1mnz): ... this ...
        (insn_v2mnz): ... and this.  Replace (const_int 0) with the vector
        equivalent.
        (insn_mz_<mode>): Replaced by ...
        (insn_mz_v8qi): ... this ...
        (insn_mz_v4hi): ... and this.  Replace (const_int 0) with the
        vector equivalent.
        (insn_v<n>mz): Replaced by ...
        (insn_v1mz): ... this ...
        (insn_v2mz): ... and this.  Replace (const_int 0) with the vector
        equivalent.

2013-03-26  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/invoke.texi (SPARC options): Remove -mlittle-endian.

2013-03-26  Richard Biener  <rguenther@suse.de>

        Backport from mainline:
        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.

        2013-03-05  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.

2013-03-26  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2013-03-26  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.h (PROFILE_BEFORE_PROLOGUE): Define.
        * config/tilegx/tilepro.h (PROFILE_BEFORE_PROLOGUE): Define.

2013-03-26  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2013-03-25  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx-builtins.h (enum tilegx_builtin): Add
        TILEGX_INSN_SHUFFLEBYTES1.
        * config/tilegx/tilegx.c (tilegx_builtin_info): Add entry for
        shufflebytes1.
        (tilegx_builtins): Ditto.
        * config/tilegx/tilegx.md (insn_shufflebytes1): New pattern.

2013-03-26  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2013-03-25  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (expand_set_cint64_one_inst): Inline
        tests for constraint J, K, N, P.

2013-03-26  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2013-03-25  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (tilegx_asm_preferred_eh_data_format):
        Use indirect/pcrel encoding.
        * config/tilepro/tilepro.c (tilepro_asm_preferred_eh_data_format):
        Ditto.

2013-03-25  Oleg Endo  <olegendo@gcc.gnu.org>

        Backport from mainline:
        2013-03-13  Oleg Endo  <olegendo@gcc.gnu.org>
        2013-03-14  Kaz Kojima  <kkojima@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.
        * 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.

2013-03-25  Oleg Endo  <olegendo@gcc.gnu.org>

        Backport from mainline:
        2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
        to m2a-single instead of m2e.

2013-03-22  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/56560
        * config/i386/i386.h (ix86_args): Define only if USED_FOR_TARGET
        isn't defined.

2013-03-22  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/56560
        * config/i386/i386.c (init_cumulative_args): Also set
        cum->callee_return_avx256_p.
        (ix86_function_arg): Set cum->callee_pass_avx256_p.  Set
        cfun->machine->callee_pass_avx256_p only when MODE == VOIDmode.

        * config/i386/i386.h (ix86_args): Add callee_pass_avx256_p and
        callee_return_avx256_p.

2013-03-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        Backport from mainline:
        2012-12-04  Ian Lance Taylor  <iant@google.com>

        * godump.c (find_dummy_types): Output a dummy type if we couldn't
        output the real type.

2013-03-20  Jack Howarth  <howarth@bromo.med.uc.edu>

        PR bootstrap/56258
        * doc/generic.texi (POINTER_PLUS_EXPR): Use @item instead of @itemx.
        (PLUS_EXPR): Likewise.
        * doc/cppopts.texi (--help): Likewise.
        * doc/invoke.texi (-fenable-@var{kind}-@var{pass}): Likewise.
        (-fdump-rtl-cprop_hardreg): Likewise.
        (-fdump-rtl-csa): Likewise.
        (-fdump-rtl-dce): Likewise.
        (-fdump-rtl-dbr): Likewise.
        (-fdump-rtl-into_cfglayout): Likewise.
        (-fdump-rtl-outof_cfglayout): Likewise.

2013-03-18  Richard Earnshaw  <rearnsha@arm.com>

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

2013-03-14  Seth LaForge  <sethml@google.com>

        PR target/56351
        Backport from mainline
        2012-10-22  Julian Brown  <julian@codesourcery.com>

        * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Avoid subreg'ing
        VFP D registers in big-endian mode.

2013-03-08  Joey Ye  <joey.ye@arm.com>

        Backport from mainline
        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>

        Backport from mainline
        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): Use table for mdiv= option.  Document
        mdiv= call-div1, call-fp, call-table options.

2013-03-06  Sebastian Huber <sebastian.huber@embedded-brains.de>

        * config.gcc (arm*-*-rtemself*): New.
        (arm*-*-rtems*): Removed.
        (arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtemseabi*): Rename
        "arm*-*-rtemseabi*" to "arm*-*-rtems*".

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

        Backport from mainline
        2012-12-12  Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/55481
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fall
        back to general rewriting if we cannot leave an original biv
        definition alone.

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

        Backport from mainline
        2012-04-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52888
        * gimple-low.c (gimple_check_call_args): Properly account for
        compatible aggregate types.

2013-02-26  Nick Clifton  <nickc@redhat.com>

        PR target/56453
        Import this patch from the mainline:

        2012-08-17  Nick Clifton  <nickc@redhat.com>

        * config/fr30/fr30.md (cbranchsi4): Remove mode from comparison.
        (branch_true): Likewise.
        (branch_false): Likewise.

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

        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.

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

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

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

        Backported from mainline
        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.

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

        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.

        2013-02-06  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.

        2012-11-27  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55110
        * tree-vect-loop.c (vectorizable_reduction): Don't assert
        that STMT_VINFO_RELATED_STMT of orig_stmt is stmt.

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

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

        Backport from mainline
        2012-07-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53844
        * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
        the loop virtual PHI.

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

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

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

        Backport from mainline
        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.

2013-02-09  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        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  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from mainline
        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  David Edelsohn  <dje.gcc@gmail.com>
            Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from mainline
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Clear
        MASK_VSX from set_masks if OS_MISSING_ALTIVEC.

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>

        Backport from mainline
        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  Alan Modra  <amodra@gmail.com>

        PR target/53040
        * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
        static chain, set REST_INLINE_FPRS too.

2013-02-06  David Edelsohn  <dje.gcc@gmail.com>

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

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

2013-02-05  David Edelsohn  <dje.gcc@gmail.com>

        Backport from mainline
        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.

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

        Backport from mainline
        2012-12-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55107
        * tree-ssa-pre.c (struct pre_stats): Remove constified field.
        (bitmap_set_replace_value): Add gcc_unreachable.
        (do_regular_insertion): Re-write all_same handling.  Insert
        an assignment instead of a PHI in this case.
        (execute_pre): Do not record constified events.

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

        PR tree-optimization/54767
        * tree-vrp.c (vrp_visit_phi_node): For PHI arguments coming via
        backedges drop all symbolical range information.
        (execute_vrp): Compute backedges.

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

        Backport from mainline
        2012-01-11  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.

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

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

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

        Backport from mainline
        2012-07-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53844
        * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
        the loop virtual PHI.

        2012-12-13  Richard Biener  <rguenther@suse.de>

        PR lto/55660
        * tree-streamer.c (record_common_node): Check that we are not
        recursively pre-loading nodes we want to skip.  Handle
        char_type_node appearing as part of va_list_type_node.

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

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

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

        Backported from mainline
        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.

        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.

        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.

        2013-01-21  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.

        2013-01-18  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.

        2013-01-15  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.

        2013-01-10  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.

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

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

        2012-11-23  Jakub Jelinek  <jakub@redhat.com>

        PR c++/54046
        * Makefile.in (gimple-low.o): Depend on langhooks.h.
        * gimple-low.c: Include langhooks.c.
        (block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK,
        by default call lang_hooks.block_may_fallthru.
        * langhooks.h (struct lang_hooks): Add block_may_fallthru
        langhook.
        * langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define.
        (LANG_HOOKS_INITIALIZER): Use it.

        2012-11-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/55094
        * builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
        on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
        * cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
        on the first old_insns_match_p call.  For !ACCUMULATE_OUTGOING_ARGS
        fail if the last real insn doesn't have REG_ARGS_SIZE note.

        2012-11-17  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55236
        * fold-const.c (make_range_step) <case NEGATE_EXPR>: For -fwrapv
        and signed ARG0_TYPE, force low and high to be non-NULL.

        2012-11-13  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/54127
        * cfgrtl.c (force_nonfallthru_and_redirect): When redirecting
        asm goto labels from BB_HEAD (e->dest) to target bb, decrement
        LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of
        BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or
        REG_LABEL_TARGET and REG_LABEL_OPERAND.

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.

2013-01-29  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.

2013-01-28  Serowk  <serowk@yandex.ru>

        PR target/35294
        * config/arm/arm.c (arm_expand_binop_builtin): Add new parameter.
        Fix mode checks to allow for the passing of constants in the
        second parameter.
        (arm_expand_builtin): Adjust calls to arm_expand_binop_builtin.
        Add entries in the switch statement for builtin iwmmxt vector
        shift and rotate builtins.

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

        Backport from mainline
        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.

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

        Backport from mainline
        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.

        2013-01-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movdf_internal_rex64): Disparage alternatives
        involving stack registers slightly.

        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.

        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.

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

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

2013-01-24  Martin Jambor  <mjambor@suse.cz>

        Backport from mainline
        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.

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

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

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

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>

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

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

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

        Backport from mainline
        2012-01-17  Uros Bizjak  <ubizjak@gmail.com>

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

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

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

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

        Backport from 2013-01-14 trunk r195169.

        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  Matthias Klose  <doko@ubuntu.com>

        * doc/invoke.texi: Document -print-multiarch.
        * doc/install.texi: Document --enable-multiarch.
        * doc/fragments.texi: Document MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME.
        * configure.ac: Add --enable-multiarch option.
        Substitute with_cpu, with_float.
        * configure: Regenerate.
        * Makefile.in (s-mlib): Pass MULTIARCH_DIRNAME to genmultilib.
        enable_multiarch, with_cpu, with_float: New macros.
        if_multiarch: New macro, define in terms of enable_multiarch.
        * genmultilib: Add new argument for the multiarch name.
        * gcc.c (multiarch_dir): Define.
        (for_each_path): Search for multiarch suffixes.
        (driver_handle_option): Handle multiarch option.
        (do_spec_1): Pass -imultiarch if defined.
        (main): Print multiarch.
        (set_multilib_dir): Separate multilib and multiarch names
        from multilib_select.
        (print_multilib_info): Ignore multiarch names in multilib_select.
        * incpath.c (add_standard_paths): Search the multiarch include dirs.
        * cppdefault.h (default_include): Document multiarch in multilib
        member.
        * cppdefault.c: [LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR] Add an
        include directory for multiarch directories.
        * common.opt: New options --print-multiarch and -imultilib.

        * config.gcc <i[34567]86-*-linux* | x86_64-*-linux*> (tmake_file):
        Include i386/t-linux.
        <i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu> (tmake_file):
        Include i386/t-kfreebsd.
        <i[34567]86-*-gnu*> (tmake_file): Include i386/t-gnu.
        * config/i386/t-linux64: Add multiarch names in
        MULTILIB_OSDIRNAMES, define MULTIARCH_DIRNAME.
        * config/i386/t-gnu: New file.
        * config/i386/t-kfreebsd: Likewise.
        * config/i386/t-linux: Likewise.

        * config/sparc/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
        * config/sparc/t-linux: New file; define MULTIARCH_DIRNAME.
        * config.gcc <sparc-*-linux*> (tmake_file): Include sparc/t-linux
        for 32bit non-biarch configurations.

        * config/pa/t-linux: New file; define MULTIARCH_DIRNAME.
        * config.gcc <hppa*64*-*-linux*, hppa*-*-linux*> (tmake_file):
        Include pa/t-linux.

        * config/mips/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.

        * config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.

        * config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
        * config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME.
        * config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2
        to the list.
        (MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS.
        * config.gcc <powerpc-*-linux* | powerpc64-*-linux*> (tmake_file):
        Include rs6000/t-linux for 32bit non-biarch configurations.

        * config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.

        * config/m68k/t-linux: Define MULTIARCH_DIRNAME.

        * config/ia64/t-linux: New file; define MULTIARCH_DIRNAME.
        * config.gcc <ia64*-*-linux*> (tmake_file): Include ia64/t-linux.

        * config/alpha/t-linux: New file; define MULTIARCH_DIRNAME.
        * config.gcc <alpha*-*-linux*> (tmake_file): Include alpha/t-linux.

2013-01-14  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-vectorizer.h (vect_get_single_scalar_iteraion_cost): Fix typo.
        * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Likewise.
        (vect_estimate_min_profitable_iter): Adjust to above fix.
        * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Likewise.

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

        Backport from mainline
        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.

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

        Backport from mainline
        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.

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

        Backport from 2013-01-07 trunk r194991, r194992.

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

        * 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.

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

        Backport from 2013-01-07 trunk r194978.

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

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

        Backport from 2013-01-07 trunk r194968.

        PR other/55243
        * config/avr/t-avr: Don't automatically rebuild
        $(srcdir)/config/avr/t-multilib
        $(srcdir)/config/avr/avr-tables.opt
        (avr-mcus): New phony target to build them on request.
        (s-avr-mlib): Remove.
        * avr/avr-mcus.def: Adjust comments.

2013-01-07  Terry Guo  <terry.guo@arm.com>

        Backport from mainline
        2012-12-19  Terry Guo  <terry.guo@arm.com>

        * config/arm/arm.c (thumb_find_work_register): Check argument
        register number based on current PCS.

2013-01-06  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        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 Henderson  <rth@redhat.com>

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

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.

2013-01-02  Rainer Emrich  <rainer@emrich-ebersheim.de>

        PR bootstrap/55707
        * graphite-dependences.c (hash_poly_ddr_p): Cast from pointer via
        intptr_t.

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

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

2012-12-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/53789
        * config/pa/pa.md (movsi): Reject expansion of TLS symbol references
        after reload starts.

2012-12-21  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/55355
        * tree-sra.c (type_internals_preclude_sra_p): Also check that
        bit_position is small enough to fit a single HOST_WIDE_INT.

2012-12-21  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>

        * config.gcc: Match arm*-*-uclinux*eabi* for EABI uCLinux.

2012-12-18  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>

        Backport from mainline
        2012-10-15  Matthias Klose  <doko@ubuntu.com>

        * config.gcc: Match arm*-*-linux-* for ARM Linux/GNU.
        * doc/install.texi: Use arm-*-*linux-* instead of arm-*-*linux-gnueabi.

2012-12-16  Eric Botcazou  <ebotcazou@adacore.com>
            Tomash Brechko  <tomash.brechko@gmail.com>

        PR target/55673
        * config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
        handling of before and after cases.
        * config/sparc/sync.md (atomic_store): Fix pasto.

2012-12-14  Yvan Roux  <yvan.roux@linaro.org>

        * optabs.c (expand_atomic_store): Elide redundant model test.

2012-12-13  Richard Henderson  <rth@redhat.com>

        PR middle-end/55492
        * optabs.c (expand_atomic_load): Emit acquire barrier after the load.

2012-12-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/54121
        * config/sparc/sparc.md (tldo_stb_sp32): Fix pasto.
        (tldo_stb_sp64): Likewise.
        (tldo_sth_sp32): Likewise.
        (tldo_sth_sp64): Likewise.
        (tldo_stw_sp32): Likewise.
        (tldo_stw_sp64): Likewise.
        (tldo_stx_sp64): Likewise.

2012-12-10 Kai Tietz  <ktietz@redhat.com>

        PR target/53912
        * print-tree.c (print_node): Cast from pointer via uintptr_t.

2012-12-07  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-12-06  Uros Bizjak  <ubizjak@gmail.com>
                    H.J. Lu  <hongjiu.lu@intel.com>

        PR target/55597
        * config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode,
        before using it as insn or call equivalent.

2012-12-06  Jason Merrill  <jason@redhat.com>

        PR c++/55032
        * tree.c (build_array_type_1): Re-layout if we found it in the
        hash table.

2012-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify
        opaque cond in all call insns.

2012-12-03  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch
        area if the function allocates dynamic stack space.
        (ia64_initial_elimination_offset): Adjust offsets to above change.

2012-12-03  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2012-09-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53663
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
        native encode/interpret translation on VN_WALKREWRITE.

2012-12-03 Kai Tietz  <ktietz@redhat.com>

        PR target/53912
        * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.

        PR target/53912
        * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.

        PR target/53912
        * pointer-set.c (hash1): Cast from pointer via uintptr_t.

2012-12-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        Backport from mainline:
        2012-11-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/55195
        * config/pa/pa.md (type): Add sibcall and sh_func_adrs insn types.
        (in_branch_delay): Don't allow sibcall or sh_func_adrs insns.
        (in_nullified_branch_delay): Likewise.
        (in_call_delay): Likewise.
        Define delay for sibcall insns.  Adjust Z3 and Z4 insn reservations for
        new types.  Add opaque cond to mark all calls, sibcalls, dyncalls and
        the $$sh_func_adrs call as variable.  Update type of sibcalls and
        $$sh_func_adrs call.
        * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated
        length instead of adjustment.  Handle negative and undefined call
        adjustments for insn_default_length.  Remove adjustment for millicode
        insn with unfilled delay slot.
        (pa_output_millicode_call): Update for revised millicode length.
        * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH.

2012-11-29  Kai Tietz  <ktietz@redhat.com>

        PR target/55171
        * prefix.c (lookup_key): Replace xmalloc/xrealloc
        use by XNEWVEC/XRESIZEVEC.

        * i386.c (get_scratch_register_on_entry): Handle
        thiscall-convention.
        (split_stack_prologue_scratch_regno): Likewise.
        (ix86_static_chain): Likewise.
        (x86_output_mi_thunk): Likewise.

2012-11-28  H.J. Lu  <hongjiu.lu@intel.com>

        Backported from mainline
        2012-11-27  H.J. Lu  <hongjiu.lu@intel.com>
                    Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR lto/54795
        * lto-opts.c (lto_write_options): Also handle
        OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
        OPT_SPECIAL_program_name.

        PR lto/55474
        * lto-wrapper.c (merge_and_complain): Handle
        OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
        OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.

2012-11-27  Paolo Bonzini  <pbonzini@redhat.com>

        PR rtl-optimization/55489
        * gcse.c (compute_transp): Precompute a canonical version
        of XEXP (x, 0), and pass it to canon_true_dependence.

2012-11-27  Richard Biener  <rguenther@suse.de>

        PR middle-end/55331
        * gimple-fold.c (gimplify_and_update_call_from_tree): Replace
        stmt with a NOP instead of removing it.

2012-11-26  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2012-10-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/54976
        * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
        Robustify against odd inner_mode inputs.

        2012-10-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/54894
        * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
        Handle over-aligned scalar types properly.

        2012-10-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/54735
        * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before
        cleaning up the CFG.

2012-11-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from mainline
        2012-11-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
        explaining the register ordering preferences.

        2012-11-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
        * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move
        constraints so that the traditional floating point loads, stores,
        and moves are done first, then the VSX loads, stores, and moves,
        and finally the GPR loads, stores, and moves so that reload
        chooses FPRs over GPRs, and uses the traditional load/store
        instructions which provide an offset.
        (movdf_hardfloat64): Likewise.

2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>

        Backported from mainline
        2012-11-13  Eric Botcazou  <ebotcazou@adacore.com>
                    H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/55142
        * config/i386/i386.c (legitimize_pic_address): Properly handle
        REG + CONST.
        (ix86_print_operand_address): Set code to 'k' when forcing
        addr32 prefix.  For x32, zero-extend negative displacement if
        it < -16*1024*1024.

2012-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        * common.opt (fvar-tracking-uninit): Document.
        * toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
        * config/darwin.c (darwin_override_options): Likewise.

2012-11-11  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak.
        * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto.

2012-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/install.texi (sparc64-x-solaris2): Mention MPC as well.

2012-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/i386.c (release_scratch_register_on_entry): Also adjust
        sp_offset manually.

2012-11-07  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-11-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_init_machine_status): Do not
        explicitly clear tls_descriptor_call_expanded_p again.

        2012-11-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md
        (<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Mark operand 0
        as read and written by the instruction.

        2012-11-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define.
        (ix86_instantiate_decls): New function.
        (ix86_expand_builtin) <case IX86_BUILTIN_LDMXCSR>: Use SLOT_TEMP
        stack slot instead of SLOT_VIRTUAL.
        <case IX86_BUILTIN_STMXCSR>: Ditto.
        (assign_386_stack_local): Do not assert when virtual slot is valid.
        * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL.
        * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot.
        (truncxf<mode>2): Ditto.
        (floatunssi<mode>2): Ditto.
        (isinf<mode>2): Ditto.
        * config/i386/sync.md (atomic_load<mode>): Ditto.
        (atomic_store<mode>): Ditto.

2012-11-07  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/55219
        * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
        the argument is itself a conditional expression.

2012-11-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with
        REX_INT_REGNO_P.

2012-11-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/54986
        * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op
        conversions on entry but add them back on exit if needed.

2012-11-05  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/55204
        * config/i386/i386.c (ix86_address_subreg_operand): Remove stack
        pointer check.
        (print_reg): Use true_regnum rather than REGNO.
        (ix86_print_operand_address): Remove SUBREG handling.

2012-11-05  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2012-10-24  Jakub Jelinek  <jakub@redhat.com>

        PR debug/54828
        * gimple.h (is_gimple_sizepos): New inline function.
        * gimplify.c (gimplify_one_sizepos): Use it.  Remove useless
        final assignment to expr variable.
        * tree.c (RETURN_TRUE_IF_VAR): Return true also if
        !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified
        into a local temporary.

        2012-10-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/54877
        * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
        use make_ssa_name instead of copy_ssa_name.

2012-11-03  Peter Bergner  <bergner@vnet.ibm.com>

        Backport from mainline
        2012-10-31  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/53708
        * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
        user-supplied alignment when used with an explicit section name.

2012-11-02  Jeff Law  <law@redhat.com>

        PR tree-optimization/54985
        * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted
        from thread_across_edge.
        (thread_across_edge): Use it in all cases where we might thread
        across a back edge.

2012-10-31  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
        special register pushes before frame probing and allocation.

2012-10-31  Ralf Corsépius  <ralf.corsepius@rtems.org>,
            Joel Sherrill  <joel.sherrill@oarcorp.com>

        * config/sparc/t-rtems: New (Custom multilibs).
        * config/sparc/t-rtems-64: New (Custom multilibs).
        * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
        (sparc-*-rtems*): Add sparc/t-rtems.

2012-10-30  Eric Botcazou  <ebotcazou@adacore.com>

        * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
        head comment.
        (hash_rtx): Likewise.

2012-10-29  Terry Guo  <terry.guo@arm.com>

        Backport from mainline
        2012-10-11  Terry Guo  <terry.guo@arm.com>

        * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
        architecture.
        * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
        instruction.

2012-10-26  Gunther Nikl  <gnikl@users.sourceforge.net>

        * common/config/m68k/m68k-common.c (m68k_handle_option): Set
        gcc_options fields of opts_set for -m68020-40 and -m68020-60.

2012-10-26  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config/avr/t-rtems: Revert previous commit.

2012-10-26  Terry Guo  <terry.guo@arm.com>

        Backport from mainline
        2012-10-23  Terry Guo  <terry.guo@arm.com>

        PR target/55019
        * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with
        live argument regs.

2012-10-26  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove
        __USE_INIT_FINI__.
        * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit.

2012-10-25  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config.gcc (microblaze*-*-rtems*): New target.
        * config/microblaze/rtems.h: New.
        * config/microblaze/t-rtems: New.

2012-10-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/54902
        * tree-ssa-pre.c (fini_pre): Return TODO.
        (execute_pre): Adjust.
        * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable
        blocks before computing dominators.

2012-10-24  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-10-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (memory_address_length): Assert that non-null
        base or index RTXes are registers.  Do not check for REG RTXes.
        Determine addr32 prefix using SImode_address_operand or
        from original base and index RTXes.  Simplify code.

        2012-10-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-protos.h (memory_address_length): Add new bool
        argument.  Update all uses.
        * config/i386/i386.c (memory_address_length): If not LEA insn, then
        add length of addr32 prefix based on mode of base or index register.
        (ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
        addresses here.  Update call to memory_address_length.
        (ix86_print_address_operand): Use SImode_address_operand predicate.
        * config/i386/predicates.md (SImode_address_operand): New.
        * config/i386/i386.md (lea<mode>): Use SImode_address_operand
        to calculate "mode" attribute.  Use SImode_address_operand predicate
        instead of open-coding accepted RTX codes.

2012-10-22  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-10-22 trunk r192685.
        * doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
        Note __AVR_<device>__ is not defined for cores.
        Don't point to --help=target.
        Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi.

2012-10-19  Marek Polacek  <polacek@redhat.com>

        Backported from mainline
        2012-10-19  Marek Polacek  <polacek@redhat.com>

        PR middle-end/54945
        * fold-const.c (fold_sign_changed_comparison):  Punt if folding
        pointer/non-pointer comparison.

2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>

        Backported from mainline
        2012-10-19  Zhenqiang Chen <zhenqiang.chen@linaro.org>

        PR target/54892
        * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make
        sure the mode is correct when falling through from above cases.

2012-10-19  Alan Modra  <amodra@gmail.com>

        * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold.
        (HAVE_LD_LARGE_TOC): Likewise.
        * configure: Regenerate.

2012-10-19  Alan Modra  <amodra@gmail.com>

        * config/rs6000/predicates.md (splat_input_operand): Don't call
        input_operand for MEMs.  Instead check for volatile and call
        memory_address_addr_space_p with modified mode.

2012-10-17  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>

        Backported from mainline
        2012-07-23  Ulrich Weigand  <ulrich.weigand@linaro.org>

        * config/arm/arm.c (arm_reorg): Ensure all insns are split.

2012-10-16  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/54870
        * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
        * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
        SSA_NAME pointer that points to a partition if there is at least
        one variable with it set in the partition.
        * dse.c (local_variable_can_escape): New predicate.
        (can_escape): Call it.
        * gimplify.c (mark_addressable): If this is a partitioned decl, also
        mark the SSA_NAME pointer that points to a partition.

2012-10-16  Andrey Belevantsev  <abel@ispras.ru>

        Backport from mainline
        2012-08-09  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/53701
        * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment.
        rocess not only expr's vinsns but all old vinsns from expr's
        istory of changes.

2012-10-16  Andrey Belevantsev  <abel@ispras.ru>

        Backport from mainline
        2012-07-31  Andrey Belevantsev  <abel@ispras.ru>
        PR target/53975

        * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.
        Revert
        2011-08-04  Sergey Grechanik  <mouseentity@ispras.ru>
        * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
        only if producer writes to the register given by regno.

2012-09-15  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-10-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (UNSPEC_MOVU): Remove.
        (UNSPEC_LOADU): New.
        (UNSPEC_STOREU): Ditto.
        (<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
        (<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
        (<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
        (<sse2>_movdqu<avxsizesuffix>): Split to ...
        (<sse2>_loaddqu<avxsizesuffix>): ... this and ...
        (<sse2>_storedqu<avxsizesuffix>): ... this.
        (*sse4_2_pcmpestr_unaligned): Update.
        (*sse4_2_pcmpistr_unaligned): Ditto.

        * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
        gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
        gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
        (ix86_expand_vector_move_misalign): Use gen_sse_loadups or
        gen_sse2_load{dqu,upd} to load from unaligned memory and
        gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
        unaligned memory.
        (struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
        Use CODE_FOR_sse_loadups.
        <IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
        <IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
        <IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
        <IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
        <IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
        <IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
        <IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
        <IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
        <IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
        <IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
        <IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.

2012-10-15  Steven Bosscher  <steven@gcc.gnu.org>

        Backport from trunk (r190222):

        PR tree-optimization/54146
        * ifcvt.c: Include pointer-set.h.
        (cond_move_process_if_block): Change type of then_regs and
        else_regs from alloca'd array to pointer_sets.
        (check_cond_move_block): Update for this change.
        (cond_move_convert_if_block): Likewise.
        * Makefile.in: Fix dependencies for ifcvt.o.

2012-10-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/54920
        * tree-ssa-pre.c (create_expression_by_pieces): Properly
        allocate temporary storage for all NARY elements.

2012-10-08  Georg-Johann Lay  <avr@gjlay.de>

        PR target/54854
        * doc/invoke.texi (AVR Options): Deprecate -mshort-calls.

2012-10-05  Mark Kettenis  <kettenis@openbsd.org>

        * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
        default_use_cxa_atexit to yes.

2012-10-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.md: Adjust unamed HImode add insn pattern.

2012-10-05  Jan Hubicka  <jh@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/33763
        * tree-inline.c (expand_call_inline): Silently ignore always_inline
        attribute for redefined extern inline functions.

2012-10-03  H.J. Lu  <hongjiu.lu@intel.com>

        Backported from mainline
        2012-10-03  Andrew W. Nosenko <andrew.w.nosenko@gmail.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
        in SSE and YMM state support check for -march=native.

2012-10-03  Alexandre Oliva <aoliva@redhat.com>

        PR debug/53135
        * dwarf2out.c (value_format): Use block4 for dw_val_class_loc
        when needed.

2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>

        Backported from mainline
        2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/54785
        * doc/invoke.texi: Document -mprefer-avx128.

2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>

        Backported from mainline
        2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/54741
        *  config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New.
        (XSTATE_FP): Likewise.
        (XSTATE_SSE): Likewise.
        (XSTATE_YMM): Likewise.
        (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if
        SSE and YMM states aren't supported.

2012-10-01  Tom de Vries  <tom@codesourcery.com>

        * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to
        the prototype.

2012-10-01  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR target/54746
        * config/s390/s390.c (s390_option_override): Add missing break.

2012-09-29  Andreas Tobler  <andreast@fgznet.ch>

        Backport from mainline
        2012-09-29  Andreas Tobler  <andreast@fgznet.ch>

        * config.gcc: Replace 'host' with 'target' when configuring for
        powerpc64*-*-freebsd.

2012-09-28  Meador Inge  <meadori@codesourcery.com>

        Backport from mainline
        2012-09-27  Meador Inge  <meadori@codesourcery.com>

        * gcc-ar.c (main): Handle the returning of the sub-process error
        code correctly.

2012-09-28  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-09-28 trunk r191821.
        * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.

2012-09-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/54703
        * simplify-rtx.c (simplify_binary_operation_1): Perform
        (x - (x & y)) -> (x & ~y) optimization only for integral modes.

2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
        TYPE_NONALIASED_COMPONENT flag.
        * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
        TYPE_NONALIASED_COMPONENT flag.

2012-09-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/54638
        Backport from mainline
        2012-04-19  Richard Guenther  <rguenther@suse.de>

        * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
        array access.

2012-09-20  Joseph Myers  <joseph@codesourcery.com>

        PR c/54552
        * c-typeck.c (c_cast_expr): When casting to a type requiring
        C_MAYBE_CONST_EXPR to be created, pass the inner expression to
        c_fully_fold first.

2012-09-20  Joseph Myers  <joseph@codesourcery.com>

        PR c/54103
        * c-typeck.c (build_unary_op): Pass original argument of
        TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
        any C_MAYBE_CONST_EXPR, if it has integer operands.
        (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
        TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
        to c_objc_common_truthvalue_conversion, then remove any
        C_MAYBE_CONST_EXPR, if they have integer operands.  Use
        c_objc_common_truthvalue_conversion not
        c_common_truthvalue_conversion.
        (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
        call note_integer_operands for arguments with integer operands
        that are not integer constants.

2012-09-20  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2012-09-17  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/54563
        * tree-ssa-math-opts.c (execute_cse_sincos): Call
        gimple_purge_dead_eh_edges if last call has been changed.

        2012-09-14  Jakub Jelinek  <jakub@redhat.com>

        PR target/54564
        * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
        instead of (match_dup 0) as second argument to vec_merge.
        (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
        Remove third alternative.
        (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
        operand 2 instead of operand 1, but put it as first argument
        of fma.
        * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
        _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
        of the first.

2012-09-20  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 4.7.3.
        * DEV-PHASE: Set to prerelease.

2012-09-20  Release Manager

        * GCC 4.7.2 released.

2012-09-15  Andi Kleen  <ak@linux.intel.com>

        Backport from mainline
        2012-09-07  Andi Kleen  <ak@linux.intel.com>

        * gcc/lto-streamer.h (res_pair): Add.
        (lto_file_decl_data): Replace resolutions with respairs.
        Add max_index.
        * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
        Initialize respairs.
        (lto_file_finalize): Set up resolutions vector lazily from respairs.

2012-09-14  Walter Lee  <walt@tilera.com>

        Backport from mainline.
        2012-09-14  Walter Lee  <walt@tilera.com>

        * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
        option for TILEPro and TILE-Gx.

2012-09-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (x86_prefetchw): New global variable.
        (TARGET_PREFETCHW): New macro.
        * config/i386/i386.c (PTA_PREFETCHW): Ditto.
        (processor_alias_table): Add PTA_PREFETCHW to
        bdver1, bdver2 and btver1.
        (ix86_option_override_internal): Set x86_prefetchw for
        PTA_PREFETCHW targets.
        * config/i386/i386.md (prefetch): Expand to prefetchw
        for TARGET_PREFETCHW.
        (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.

        Backport from mainline
        2012-08-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
        (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
        Rename to ...
        (*prefetch_sse): ... this.
        (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
        Rename to ...
        (*prefetch_3dnow): ... this.

2012-09-13  Jakub Jelinek  <jakub@redhat.com>

        PR c/54559
        * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
        COMPLEX_TYPE with in_late_binary_op set temporarily to true.

2012-09-12  Teresa Johnson  <tejohnson@google.com>

        Backport from mainline.
        2012-09-12  Teresa Johnson  <tejohnson@google.com>

        PR gcov-profile/54487
        * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
        test using F_SETLKW with fcntl.
        * configure, config.in: Regenerate.

2012-09-12  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

        * config/i386/i386.md : Comments on fma4 instruction selection
        reflect requirement on register pressure based cost model.

        * config/i386/driver-i386.c (host_detect_local_cpu): fma4
        flag is set-reset as informed by the cpuid flag.

        * config/i386/i386.c (processor_alias_table): fma4
        flag is enabled for bdver2.

2012-09-12  Christian Bruel  <christian.bruel@st.com>

        * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.

2012-09-12  Jakub Jelinek  <jakub@redhat.com>

        * config.gcc: Obsolete picochip-*.

2012-09-11  Richard Guenther  <rguenther@suse.de>

        PR debug/54534
        * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
        on flag_toplevel_reorder.

2012-09-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/predicates.md (small_symbolic_operand): Disallow
        large offsets.

2012-09-10  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-09-10 mainline r191132.

        PR target/54536
        * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".

2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR middle-end/54515
        * tree-sra.c (disqualify_base_of_expr): Check for possible
        NULL_TREE returned by get_base_address()

2012-09-07  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-06-26  Jan Hubicka  <jh@suse.cz>

        PR lto/53572
        * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
        used symbols.

2012-09-07  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-07-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53922
        * tree-vrp.c (value_inside_range): Change prototype to take
        min/max instead of value-range.
        (range_includes_zero_p): Likewise.  Return the result from
        value_inside_range.
        (extract_range_from_binary_expr_1): Adjust to handle dont-know
        return value from range_includes_zero_p.
        (extract_range_from_unary_expr_1): Likewise.
        (compare_range_with_value): Likewise.
        (vrp_meet_1): Likewise.

2012-09-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/53667
        * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
        EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
        arguments separately.

2012-09-07  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2012-09-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/54455
        * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
        bb ends up with asm goto referencing bb's label.

2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        Backport from mainline.
        2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
                    Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/54252
        * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
        element size. Use elem_type from the formal parameter. New parameter
        fcode.
        (neon_expand_args): Adjust call to neon_dereference_pointer.

2012-09-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
        reg_not_xmm0_operand_maybe_avx as operand 0 constraint.

2012-09-06  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-08-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (isa): Add fma and fma4.
        (enabled): Handle fma and fma4.
        * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
        (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
        (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
        (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
        (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
        (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.

        2012-08-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
        *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
        *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.

2012-09-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/54498
        * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
        abort when reaching an already visited region.
        * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
        (get_continuation_for_phi_1): Likewise.
        (walk_non_aliased_vuses): When we translated the reference,
        abort when we re-visit a region.
        * tree-ssa-pre.c (translate_vuse_through_block): Adjust.

2012-09-06  Andrew Pinski  <apinski@cavium.com>

        PR tree-opt/54494
        * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.

2012-09-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/54486
        * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
        build_int_cst with size_type_node instead of size_int.

2012-09-05  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-09-05 mainline r190697.

        PR target/54461
        * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
        configured --with-avrlibc.
        (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
        --with-avrlibc.
        * config/avr/avrlibc.h: New file.
        * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
        configured --with-avrlibc.
        * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__

2012-09-05  Bin Cheng  <bin.cheng@arm.com>

        Backport from 2012-09-04 mainline r190919

        PR target/45070
        * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
        of size less than 4 bytes by using macro ARM_NUM_INTS.
        (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.

2012-09-04  Richard Henderson  <rth@redhat.com>

        * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.

2012-09-04  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-09-04 mainline r190920

        PR target/54476
        * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.

2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        Backport from 2012-09-04 mainline r190914

        PR target/54220
        * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
        define to...
        (avr_allocate_stack_slots_for_args): ...this new static function.

2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>

        Backported from mainline
        2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/54335
        * doc/invoke.texi: Add -da and remove -dm.

2012-09-03  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2012-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/54436
        * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
        operands[1] is CONST_INT_P, convert it to QImode before printing.

        2012-08-31  Jakub Jelinek  <jakub@redhat.com>

        PR c/54428
        * c-convert.c (convert): Don't call fold_convert_loc if
        TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
        is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
        COMPLEX_TYPE -> COMPLEX_TYPE conversion.

        2012-08-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/54363
        * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
        if init is a CONSTRUCTOR.

2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/54369
        * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
        calling dbr_schedule.
        * config/sparc/sparc.c (sparc_reorg): Likewise.

2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>

        Backport from mainline
        2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>

        * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
        case for Atom processor.

2012-08-28  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-08-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/46254
        * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
        true for TARGET_64BIT or !flag_pic.
        * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
        (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
        to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
        Add insn constraint.  Conditionally emit xchg asm insns.
        (atomic_compare_and_swap<mode>): Update calls.  Check only
        cmpxchg8b_pic_memory_operand in memory address fixup.
        (DCASMODE): Remove.
        (CASHMODE): Rename from DCASHMODE.
        (doublemodesuffix): Update modes.
        (regprefix): New mode attribute.

        (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
        <UNSPECV_CMPXCHG>: New constant.
        (atomic_compare_and_swap<mode>_1): Rename from
        atomic_compare_and_swap_single<mode>.  Update calls and
        unspec_volatile constants.
        (atomic_compare_and_swap<mode>_doubleword): Rename from
        atomic_compare_and_swap_double<mode>.  Update calls and
        unspec_volatile constants.

2012-08-28  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2012-08-28  Walter Lee  <walt@tilera.com>

        * confg/tilegx/tilegx.md: Fix code style.
        (*zero_extendsidi_truncdisi): Fix typo.
        * config/tilegx/tilegx.c: Fix code style.
        (tilegx_function_profiler): Fix typo.

2012-08-27  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2012-08-27  Walter Lee  <walt@tilera.com>

        * doc/md.texi (TILE-Gx): Fix typo.

2012-08-27  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2012-08-27  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
        * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.

2012-08-27  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2012-08-27  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
        (insn_bfins): Delete.

2012-08-27  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2012-08-27  Walter Lee  <walt@tilera.com>

        * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
        atomic_exchange_bare<mode>,
        atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
        * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
        * config/tilegx/tilegx.md (type): Add X1_remove.
        (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
        insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
        insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
        X1_remote.

2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/54088
        * jump.c (delete_related_insns): Robustify latest change.

2012-08-21  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-08-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/54146
        * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
        exit vector.
        * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
        * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
        * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
        * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
        (tree_ssa_lim_finalize): Free all mem_refs.
        * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
        scc when bailing out.
        * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
        * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
        * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
        FOR_EACH_LOOP_BREAK.

        2012-08-17  Richard Guenther  <rguenther@suse.de>

        * tree-sra.c (modify_function): Free redirect_callers vector.
        * ipa-split.c (split_function): Free args_to_pass vector.
        * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
        vec_oprnds.
        (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
        * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
        (vect_analyze_slp_instance): Free everything.
        (destroy_bb_vec_info): Free the SLP instances.

        2012-08-17  Richard Guenther  <rguenther@suse.de>

        * params.def (integer-share-limit): Decrease from 256 to 251,
        add rationale.

        2012-08-21  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
        the affine expansion cache.

2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

        Backported from trunk
        2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

        PR middle-end/53992
        * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.

2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        Backport from mainline.
        2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        PR target/54212
        * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
        mark as predicable. Adjust asm template.
        (vec_setv2di_internal): Likewise.
        (vec_extract<mode> VD, VQ): Likewise.
        (vec_extractv2di): Likewise.
        (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
        (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
        (neon_vdup_n<mode> VX, V32): Likewise.
        (neon_vdup_nv2di): Likewise.

2012-08-17  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2012-08-17  Walter Lee  <walt@tilera.com>

        * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
        (FEEDBACK_ENTER): Define.
        (FEEDBACK_REENTER): Define.
        (FEEDBACK_ENTRY): Define.
        * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
        (FEEDBACK_ENTER): Define.
        (FEEDBACK_REENTER): Define.
        (FEEDBACK_ENTRY): Define.

2012-08-16  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2012-08-16  Walter Lee  <walt@tilera.com>

        * config.gcc (tilegx-*-linux*): Add feedback.h.
        (tilepro-*-linux*): Likewise.
        * config/tilegx/feedback.h: New file.
        * config/tilepro/feedback.h: New file.

2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>

        Backport from mainline r189840 and r187586:
        2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>

        * config/i386/i386.md (stack_protect_set): Disable the pattern
        for Android since Android libc (bionic) does not provide random
        value for stack protection guard at gs:0x14. Guard value
        will be provided from external symbol (default implementation).
        (stack_protect_set_<mode>): Likewise.
        (stack_protect_test): Likewise.
        (stack_protect_test_<mode>): Likewise.
        * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
        not have Bionic by default
        * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
        Macro OPTION_BIONIC is defined in this file and provides Bionic
        accessibility status

        2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>

        * configure.ac: Stack protector enabling for Android targets.
        * configure: Regenerate.

2012-08-13  Jakub Jelinek  <jakub@redhat.com>

        Backported from trunk
        2012-07-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/53942
        * function.c (assign_parm_setup_reg): Avoid zero/sign extension
        directly from likely spilled non-fixed hard registers, move them
        to pseudo first.

2012-08-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
        (xop_phaddubq): Ditto.

2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>

        Backport from mainline
        2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
                    Richard Earnshaw  <rearnsha@arm.com>

        * target.def (vector_alignment): New target hook.
        * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
        * doc/tm.texi: Regenerate.
        * targhooks.c (default_vector_alignment): New function.
        * targhooks.h (default_vector_alignment): Add prototype.
        * stor-layout.c (layout_type): Use targetm.vector_alignment.
        * config/arm/arm.c (arm_vector_alignment): New function.
        (TARGET_VECTOR_ALIGNMENT): Define.

        * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
        vector type alignment instead of size.
        * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
        element type size directly instead of computing it from alignment.
        Fix variable naming and comment.

2012-08-09  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-08-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
        (alpha_pad_function_end): ... this.  Also insert NOP between
        sibling call and GP load.
        (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.

2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>

        Backport from mainline
        2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
                    H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/54157
        * combine.c (gen_lowpart_for_combine): Don't return identity
        for CONST or symbolic reference.

2012-08-06  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-07-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
        * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
        split_cost argument signed.
        (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
        (ix86_avoid_lea_for_addr): Ditto.

        2012-07-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
        the address has less than two components.

2012-08-02  Steve Ellcey  <sellcey@mips.com>

        Backport from mainline
        2012-07-19  Steve Ellcey  <sellcey@mips.com>

        * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
        MIPS16 mode.

2012-08-02  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-07-24  Uros Bizjak  <ubizjak@gmail.com>

        PR target/53961
        * config/i386/i386.c (ix86_legitimate_address_p): Move check for
        negative constant address for TARGET_X32 ...
        (ix86_decompose_address): ... here.  Reject constant addresses
        that don't satisfy x86_64_immediate_operand predicate.

        2012-07-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/53961
        * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
        * config/i386/i386.c (ix86_print_operand_address): Ditto.
        (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
        addresses.  Prevent zero extensions of CONST_INT operands.

        2012-07-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/53961
        * config/i386/i386.md (*lea): New insn pattern.
        (*lea_1): Remove.
        (*lea<mode>_2): Ditto.
        (*lea_{3,4,5,6}_zext): Ditto.
        * config/i386/predicates.md (lea_address_operand): Do not reject
        zero-extended address operands.
        * config/i386/constraints.md (j): Remove address constraint.
        * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
        of an address.
        (ix86_print_operand_address): Handle SImode subreg of an address.
        (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.

2012-08-01  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-03-09  Uros Bizjak  <ubizjak@gmail.com>

        PR target/52530
        * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
        (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
        to set code to 'q'.
        * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
        (*movdi_internal_rex64): Use %E operand modifier for lea.
        (*movsi_internal): Ditto.
        (*lea_1): Ditto.
        (*lea<mode>_2): Ditto.
        (*lea_{3,4,5,6}_zext): Ditto.
        (*tls_global_dynamic_32_gnu): Ditto.
        (*tls_global_dynamic_64): Ditto.
        (*tls_dynamic_gnu2_lea_32): Ditto.
        (*tls_dynamic_gnu2_lea_64): Ditto.
        (pro_epilogue_adjust_stack_<mode>_add): Ditto.

2012-08-01  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-08-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_address_subreg_operand): Reject
        stack pointer.
        (ix86_print_operand_address): Assert that parts.base and parts.index
        are non-NULL after call to simplify_subreg.

2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/33135
        * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
        description.
        * config/sh/sh.c (sh_option_override): Do not change
        flag_finite_math_only.  Set TARGET_IEEE to complement of
        flag_finite_math_only.
        * doc/invoke.texi (SH options): Add mno-ieee.  Correct
        description of mieee and mno-ieee behavior.

2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/53877
        * config/i386/lzcntintrin.h (_lzcnt_u32): New.
        (_lzcnt_u64): Ditto.

2012-07-20  Andrey Belevantsev  <abel@ispras.ru>

        Backport from mainline
        2012-03-06  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/52250
        * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
        to put note list into.  Unconditionally call move_bb_info.
        (move_bb_info): Do not assert the blocks being in the same region,
        just drop the note list if they are not.

2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.

2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
        defining statement is a SSA name that occurs in abnormal PHIs.

2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
        conversions.

2012-07-19  Richard Guenther  <rguenther@suse.de>
            Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
        about transition from invariant to known bits.
        (likely_value): Addresses with UNDEFINED components are UNDEFINED.

2012-07-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/54017
        * tree-cfgcleanup.c (cleanup_omp_return): Remove.
        (cleanup_tree_cfg_bb): Don't call it.
        * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
        handling.

2012-07-19  Christian Bruel  <christian.bruel@st.com>

        PR target/54029
        * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.

2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config.gcc (v850-*-rtems*): New target.
        * config/v850/rtems.h: New.
        * config/v850/t-rtems: New.

2012-07-18  Nick Clifton  <nickc@redhat.com>

        * doc/invoke.texi (ARM Options): Document -munaligned-access.

2012-07-15  Uros Bizjak  <ubizjak@gmail.com>

        PR target/53961

        Backport from mainline
        2012-04-25  Jakub Jelinek  <jakub@redhat.co