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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.com>

        PR target/53110
        * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
        instead expand it as zero extension.

2012-07-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (QImode and HImode cmove splitters): Merge
        QImode and HImode splitters.  Use ix86_comparison_operator.
        Explicitly match FLAGS_REG.
        (DFmode cmove splitter): Explicitly match FLAGS_REG.

2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
            Steven Bosscher  <steven@gcc.gnu.org>
            Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/53908
        * df-problems.c (can_move_insns_across): When doing
        memory-reference book-keeping, handle call insns.

2012-07-10  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-07-03  Uros Bizjak  <ubizjak@gmail.com>

        PR target/53811
        * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
        sibcall_insn_operand.  Move it to a temporary register if not.

        2012-07-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/53853
        * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
        emit PIC sequence for fnaddr symbol reference in advance.

2012-07-09  Jason Merrill  <jason@redhat.com>

        PR c++/53882
        * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
        (type_hash_eq): Likewise.

        PR c++/53826
        * tree.c (build_zero_cst): Handle NULLPTR_TYPE.

2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>

        * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
        due to negative shift amount.

2012-07-06  Kai Tietz  <ktietz@redhat.com>

        Backport from mainline.
        PR bootstrap/52947
        * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
        as "/mingw/include".

2012-07-06  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
        default_encode_section_info.

2012-07-06  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-03-30  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52786
        * double-int.c (rshift_double): Remove not needed cast.

        2012-03-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/50708
        * double-int.h (rshift_double): Remove.
        * double-int.c (lshift_double): Use absu_hwi to make count
        positive.
        (rshift_double): Make static, take unsigned count argument,
        remove handling of negative count argument.
        (double_int_rshift): Dispatch to lshift_double.

2012-07-06  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-06-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53693
        * tree-vect-patterns.c (vect_operation_fits_smaller_type):
        Reject operands with more than one use.

2012-07-06  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-04-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52621
        * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
        consider loop nesting.
        (evolution_function_is_univariate_p): Properly check the remainder
        for chrecs.

2012-07-05  Pat Haugen <pthaugen@us.ibm.com>

        Backport from mainline
        2012-05-24  Pat Haugen <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
        rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
        (adjacent_mem_locations): Move some code to and call...
        (get_memref_parts): ...new function.
        (mem_locations_overlap): New function.
        (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
        (is_mem_ref): Rename to...
        (find_mem_ref): ...this. Return MEM rtx.
        (get_store_dest): Remove function.
        (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
        new parameter and adjust calls.
        (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
        mem refs overlap for true_store_to_load_dep_costly.
        (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
        passed to adjacent_mem_locations.
        (is_costly_group): Walk resolved dependency list.
        (force_new_group): Emit group ending nop for Power6/Power7.
        * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
        (group_ending_nop): New define_insn.

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

        PR middle-end/53433
        * gimple-fold.c (get_base_constructor): Do not return an
        error_mark_node DECL_INITIAL.

2012-07-04  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-07-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_option_override_internal): Fix wrong
        code model string in the error message.

2012-07-04  Tristan Gingold  <gingold@adacore.com>

        Backport from mainline.
        2012-06-25  Tristan Gingold  <gingold@adacore.com>

        * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
        (seh_cfa_adjust_cfa): ... that function.
        (seh_emit_stackalloc): Do not emit out of range values.
        * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
        UNSPEC_DEF_CFA constants.
        * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
        * config/i386/i386.c (ix86_frame_pointer_required): Required
        for very large frames on SEH target.
        (ix86_compute_frame_layout): Save area is before frame pointer
        on SEH target.  Handle very large frames.
        (ix86_expand_prologue): Likewise.

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

        * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
        as in free_lang_data_in_type.

2012-07-02  Martin Jambor  <mjambor@suse.cz>

        Backport from mainline.
        2012-07-02  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/38474
        * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
        dynamic type change check.

2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-eh.c (lower_try_finally_switch): Really put the location of the
        last statement of the finally block onto the switch.

2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        * configure: Regenerate.

        Backport from mainline.
        2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        * config.gcc (target_type_format_char): New. Document it. Set it for
        arm*-*-* .
        * configure.ac (gnu_unique_option): Use target_type_format_char
        in test.  Comment rationale.

2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        Backport from mainline.
        2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.

2012-06-28  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-06-28 mainline r189049

        PR 53595
        * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
        * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
        * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
        avr_hard_regno_call_part_clobbered.

2012-06-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/53790
        * expr.c (expand_expr_real_1): Verify if the type is complete
        before inspecting its size.

2012-06-27  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (comparesi3_extend): Remove = modifier from
        input operand.

2012-06-26  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/53682
        * cselib.c (promote_debug_loc): Don't crash on NULL argument.

2012-06-26  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (simple_return): Use the simple_return rtx.

2012-06-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/53759
        * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
        of x x x in the vmovlps load alternative.

2012-06-22  Richard Guenther  <rguenther@suse.de>

        * gcov-iov.c: Include bconfig.h and system.h.

2012-06-22  Richard Guenther  <rguenther@suse.de>

        PR gcov-profile/53744
        * gcov-iov.c (main): Treat "" and "prerelease" the same.

2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
        DECL_IGNORED_P non-reg vars even if they are used.

2012-06-19  Jason Merrill  <jason@redhat.com>

        PR c++/52637
        * dwarf2out.c (modified_type_die): Use scope_die_for.
        (gen_type_die_with_usage, dwarf2out_finish): Likewise.
        (uses_local_type_r, uses_local_type): New.
        (scope_die_for): Keep a type that uses a local type in local scope.
        Use get_context_die for namespace and type scope.

2012-06-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/53470
        * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
        replace it with the first non-BLOCK context.

2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/53700

        Backport from mainline
        2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (setup_left_conflict_sizes_p): Process all
        conflicting objects.

2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>

        Backport from mainline
        2012-05-09 Uros Bizjak  <ubizjak@gmail.com>

        PR target/52908
        * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
        xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
        (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
        instead of xop_mulv2div2di3_low.
        (xop_p<macs>dql): Fix vec_select selector.
        (xop_p<macs>dqh): Ditto.
        (xop_mulv2div2di3_low): Remove insn_and_split pattern.
        (xop_mulv2div2di3_high): Ditto.

2012-06-17  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline:
        2012-06-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.

2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        Backport from mainline:
        2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
        * config/pa/pa.c (pa_attr_length_millicode_call): Use
        MAX_PCREL17F_OFFSET instead of fixed offset.
        (pa_attr_length_call): Likewise.
        (pa_attr_length_indirect_call): Likewise.

2012-06-15  Walter Lee  <walt@tilera.com>

        Backport from mainline:
        2012-06-15  Walter Lee  <walt@tilera.com>

        * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.

        2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.

2012-06-15  Aldy Hernandez  <aldyh@redhat.com>

        Backport from mainline:

        2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
        * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
        * gimple.h (block_in_transaction): Check for flag_tm.

2012-06-14  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/52558

        Backport from mainline:
        2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
        * gimple.h (gimple_set_in_transaction): Remove.
        (gimple_in_transaction): Look in BB instead.
        (gimple_statement_base): Remove in_transaction field.
        * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
        * trans-mem.c (compute_transaction_bits): Place transaction bit
        information into basic blocks.

        2012-05-31  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/52558
        * cfg.c (alloc_aux_for_edge): Fix comment.
        (alloc_aux_for_edge): Remove static.
        * basic-block.h (alloc_aux_for_edge): Protoize.
        * tree-ssa-loop-im.c (execute_sm_if_changed): New.
        (execute_sm_if_changed_flag): New.
        (execute_sm_if_changed_flag_set): New.
        (execute_sm): Do not generate data races unless requested.
        (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
        (tree_ssa_lim_finalize): Call free_aux_for_edges.
        * gimple.h (block_in_transaction): New.
        (gimple_in_transaction): Use block_in_transaction.

2012-06-14  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2012-06-12  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/53589
        * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
        discovery even when e->dest != target.  If any LABEL_REF points
        to e->dest label, redirect it to target's label.

        2012-06-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/53580
        * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
        returns false, replace stmt with GIMPLE_NOP.
        (check_omp_nesting_restrictions): Instead of issuing warnings,
        issue errors and return false if any errors were reported.

2012-06-14  Richard Guenther  <rguenther@suse.de>

        * BASE-VER: Set to 4.7.2.
        * DEV-PHASE: Set to prerelease.

2012-06-12  Christian Bruel  <christian.bruel@st.com>

        PR target/53621
        * config/sh/sh.c (sh_option_override): Don't force
         flag_omit_frame_pointer and maccumulate_outgoing_args.
        * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.

2012-06-14  Release Manager

        * GCC 4.7.1 released.

2012-06-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".

2012-06-13  Richard Henderson  <rth@redhat.com>

        * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
        iterator instead of INT.

2012-06-08  Richard Henderson  <rth@redhat.com>

        PR c++/53602
        * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
        note to a clobber insn when no other insn is available.

2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/53524
        * doc/invoke.texi (Wenum-compare): Update documentation.

2012-06-04  Edmar Wienskoski  <edmar@freescale.com>

        PR target/53559
        * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
        operands.
        (altivec_stvlxl): Ditto.
        (altivec_stvrx): Ditto.
        (altivec_stvrxl): Ditto.

2012-06-04  Aldy Hernandez  <aldyh@redhat.com>

        PR middle-end/47530
        * trans-mem.c (expand_block_edges): Do not skip the first
        statement when resetting the BB.

2012-06-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/53471
        * dwarf2out.c (dwarf2out_finish): If generating LTO do not
        create new assembler names.

2012-06-04  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-04-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/52979
        * stor-layout.c (get_best_mode): Don't return mode with bitsize
        larger than maxbits.  Don't compute maxbits modulo align.
        Also check that unit bytes long store at bitpos / unit * unit
        doesn't affect bits beyond bitregion_end.
        * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
        would not fit into bitregion_start ... bitregion_end + 1 bit
        region.
        (store_split_bit_field): Decrease unit close to end of bitregion_end
        if access is restricted in order to avoid mutual recursion.

2012-06-04  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-06-04 mainline r188172

        PR target/46261
        * config/avr/avr-stdint.h: New file.
        * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
        newlib-stdint.h

2012-06-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/53550
        * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
        is POINTER_TYPE_P, use sizetype as step type instead of type.

2012-06-04  Richard Guenther  <rguenther@suse.de>
            Eric Botcazou  <ebotcazou@adacore.com>

        Backport from mainline
        2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
        Change type of BITOFFSET to signed.  Make sure the lower bound of
        the computed range is non-negative by adjusting OFFSET and BITPOS.
        (expand_assignment): Adjust call to get_bit_range.

        2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (get_bit_range): Return the null range if the enclosing record
        is part of a larger bit field.

        2012-03-20  Richard Guenther  <rguenther@suse.de>

        * stor-layout.c (finish_bitfield_representative): Fallback
        to conservative maximum size if the padding up to the next
        field cannot be computed as a constant.
        (finish_bitfield_layout): If we cannot compute the distance
        between the start of the bitfield representative and the
        bitfield member start a new representative.
        * expr.c (get_bit_range): The distance between the start of
        the bitfield representative and the bitfield member is zero
        if the field offsets are not constants.

        2012-03-16  Richard Guenther  <rguenther@suse.de>

        * stor-layout.c (finish_bitfield_representative): Fall back
        to the conservative maximum size if we cannot compute the
        size of the tail padding.

        2012-03-14  Richard Guenther  <rguenther@suse.de>

        * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
        * stor-layout.c (start_bitfield_representative): New function.
        (finish_bitfield_representative): Likewise.
        (finish_bitfield_layout): Likewise.
        (finish_record_layout): Call finish_bitfield_layout.
        * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
        for QUAL_UNION_TYPE fields.
        * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
        Stream DECL_BIT_FIELD_REPRESENTATIVE.
        * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.

        PR middle-end/52080
        PR middle-end/52097
        PR middle-end/48124
        * expr.c (get_bit_range): Unconditionally extract bitrange
        from DECL_BIT_FIELD_REPRESENTATIVE.
        (expand_assignment): Adjust call to get_bit_range.

2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/53501
        * fold-const.c (fold_binary_loc): Refine previous change.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

        Backport from mainline
        2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>

        PR target/52667
        * config/sh/sh.c (find_barrier): Add equality check of last_got to
        avoid going above orig insn.  Update comments.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

        Backport from mainline
        2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/52642
        * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
        prologue for unwinder and profiler.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

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

        * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

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

        * config/sh/sh.c (sh_dwarf_register_span): Don't apply
        DBX_REGISTER_NUMBER.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

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

        * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
        operand is CONST_INT.  Take COSTS_N_INSNS into account.
        (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
        shiftcosts.     

2012-05-31  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.opt (-msp8): Document it.
        * doc/invoke.texi (AVR Options): Copy from trunk docu.

2012-05-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48493
        * expr.c (expand_assignment): Do not use movmisalign on
        non-memory.

2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/52999
        * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
        (pa_section_type_flags): New.
        (pa_legitimate_constant_p): Revert previous change.

2012-05-30  Aldy Hernandez  <aldyh@redhat.com>

        Backport from mainline
        2012-05-25  Aldy Hernandez  <aldyh@redhat.com>

        PR middle-end/53008
        * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
        accessed indirectly.
        (ipa_tm_create_version): Same.

2012-05-30  Jason Merrill  <jason@redhat.com>

        PR c++/53220
        * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
        about array compound literals.

2012-05-30  Richard Guenther  <rguenther@suse.de>

        PR middle-end/53501
        * fold-const.c (fold_binary_loc): Make sure to call
        fold_plusminus_mult_expr with the original sign of operands.

2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * explow.c (probe_stack_range): Restore simple control flow and stop
        again when the probe cannot be generated if HAVE_check_stack.

2012-05-30  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/53519
        * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
        instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.

2012-05-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53516
        * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
        bitfield accesses.
        * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.

2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>

        Backport from mainline
        2012-05-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53438
        * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.

2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        Backport from mainline
        2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>

        PR rtl-optimization/52528
        * combine.c (can_combine_p): Add setting of subst_low_luid
        before call to expand_field_assignment().

2012-05-26  Martin Jambor  <mjambor@suse.cz>

        Backport from mainline
        2012-05-23  Martin Jambor  <mjambor@suse.cz>

        * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.

2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR lto/52178
        * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
        * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.

2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>

        PR target/53435
        * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
        (ix86_expand_vec_perm): Use int mode instead of float.

2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/52362
        * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
        gnu_ld variables to yes.
        * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
        (HAVE_GNU_AS): Likewise.
        * config.in: Regenerate.
        * configure: Likewise.

2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        Backport from mainline
        2012-03-12  Richard Guenther  <rguenther@suse.de>
        * config/arm/arm.c (neon_dereference_pointer): Do not call
        covert during RTL expansion.

2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/53385
        * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
        relied on signed overflow behavior.

2012-05-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/53460
        * tree-profile.c (tree_profiling): Cleanup the CFG if
        execute_fixup_cfg requests it.

2012-05-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/53465
        * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
        vr0 into *vr, then vrp_meet that.
        (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
        have any equivalences.
        (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
        first time.

2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
        size handling.
        (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
        (iterative_hash_gimple_type): Adjust comment.
        (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
        domain for an array type instead of the domain type itself.

2012-05-23  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-05-23 mainline r187803

        PR target/53448
        * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
        * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
        ASM_OUTPUT_ALIGN.

2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

        Backport from 2012-05-03 mainline r187075

        * config/i386/driver-i386.c (host_detect_local_cpu): Reset
        has_fma4 for AMD processors with both fma3 and fma4 support.

2012-05-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53408
        * tree-vect-loop.c (vectorizable_induction): Properly check
        the restriction that we cannot handle induction results from
        the inner loop outside of the outer loop.

2012-05-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/53436
        * omp-low.c (omp_build_component_ref): New function.
        (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.

        PR tree-optimization/53366
        * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
        tests if complex_numbers == 2, but there are non-complex number loads
        too.

        PR tree-optimization/53409
        * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
        vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.

        PR tree-optimization/53410
        * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
        instead of build_int_cst (type, 0) where vector types might be
        involved.

2012-05-21  Joseph Myers  <joseph@codesourcery.com>

        PR c/53418
        * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
        from folded operands before wrapping another around the
        conditional expression.

2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
            Patrick Marlier  <patrick.marlier@gmail.com>

        * trans-mem.c (ipa_tm_transform_clone): Transform functions with
        indirect calls.

2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        Backport from mainline
        2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/53416
        * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
        (UNSPECV_RDRAND): This.
        (rdrand<mode>_1): Updated.

2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>

        Backport from mainline
        2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Support
        RDRND, F16C and FSGSBASE.

2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>

        Backport from mainline
        2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-pre.c (can_value_number_call): Delete.
        (compute_avail): Skip all statements with side effects.
        <GIMPLE_CALL>: Skip calls to internal functions.

2012-05-18  David S. Miller  <davem@davemloft.net>

        Backport r185385 from mainline
        2012-03-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52584
        * tree-vect-generic.c (type_for_widest_vector_mode): Take
        element type instead of mode, use build_vector_type_for_mode
        instead of the langhook, build a vector of proper signedness.
        (expand_vector_operations_1): Adjust.

2012-05-18  Olivier Hainque  <hainque@adacore.com>

        * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
        $(libsubdir) as libexecsubdir.

2012-05-16  Andrew Pinski  <apinski@cavium.com>

        * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
        GIMPLE_ASSIGN.

2012-05-16  David S. Miller  <davem@davemloft.net>

        * jump.c (delete_related_insns): If we remove a CALL, make sure
        we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.

2012-05-16  Richard Henderson  <rth@redhat.com>

        PR debug/52727
        * combine-stack-adj.c (prev_active_insn_bb): New.
        (next_active_insn_bb): New.
        (force_move_args_size_note): New.
        (combine_stack_adjustments_for_block): Use it.

2012-05-16  Olivier Hainque  <hainque@adacore.com>

        * Makefile.in (install-no-fixedincludes): New target, former toplevel
        gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
        Add comments and improve stamp preservation across the whole sequence.
        (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.

2012-05-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53364
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
        detect a view-conversion of the decl.

2012-05-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/53358
        * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
        that operands[2] is either immediate, or q_regs_operand.

2012-05-15  Bin Cheng  <bin.cheng@arm.com>

        Backport r187139 from mainline.
        2012-05-04  Bin Cheng  <bin.cheng@arm.com>

        PR rtl-optimization/52804
        * reload1.c (reload_reg_reaches_end_p): Check whether successor
        reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
        of current one with type RELOAD_FOR_INPADDR_ADDRESS.
        Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
        RELOAD_FOR_OUTADDR_ADDRESS.

2012-05-14  Uros Bizjak  <ubizjak@gmail.com>

        PR target/46098
        * config/i386/i386.c (ix86_expand_special_args_builtin): Always
        generate target register for "load" class builtins.

        Revert:
        2010-10-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/46098
        * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
        Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
        (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
        (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
        (<sse>_movu<ssemodesuffix>): New expander.
        (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
        (avx_movdqu<avxmodesuffix>): New expander.
        (*sse2_movdqu): Rename from sse2_movdqu.
        (sse2_movdqu): New expander.

2012-05-14  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
        lineno 1 the same as lineno 0 before first start file directive.
        (optimize_macinfo_range): Likewise.

        * dwarf2out.c (have_macinfo): Define.
        (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
        attribute, don't force empty compilation unit and don't emit any
        .debug_macinfo/.debug_macro section if macinfo_table is empty.

2012-05-13  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-05-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
        ORDERED and UNORDERED conditions.

2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (requires_stack_frame_p): If the function can throw
        non-call exceptions, return true if the insn can throw internally.

2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
        DECL_ORIGINAL_TYPE if it is present.

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

        Backport from 2012-05-12 mainline r187342.

        PR target/53256
        * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
        * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
        * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
        * config/avr/avr.c (avr_asm_declare_function_name): Remove.
        (expand_prologue): Move initialization of cfun->machine->is_naked,
        is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
        (avr_set_current_function): ...this new static function.
        (TARGET_SET_CURRENT_FUNCTION): New define.
        (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
        checking attributes of current_function_decl.
        (avr_regs_to_save): Ditto.
        (signal_function_p): Rename to avr_signal_function_p.
        (interrupt_function_p): Rename to avr_interrupt_function_p.

        * doc/extend.texi (Function Attributes): Better explanation of
        'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
        alphabetical order.

2012-05-09  Matthias Klose  <doko@ubuntu.com>

        * gcc-ar.c (main): Don't check for execute bits for the plugin.

2012-05-08  Hans-Peter Nilsson  <hp@axis.com>

        PR target/53272
        * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
        when a constant source operand matches an "I" constraint, the "no
        CC0 change" applies to a register-destination only, not a
        strict_low_part-destination.

2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        Backport from mainline:
        2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        * config/arm/sync.md (sync_optab): Change ior attribute to "or".

2012-05-07  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/53239
        * tree-vrp.c (get_value_range): Set VR of
        SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
        to nonnull.

2012-05-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53195
        * tree-inline.c (setup_one_parameter): Properly add referenced
        vars from the parameters new known value.

2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        Backport from mainline:
        2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/52999
        * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
        in constant pool.

2012-05-04  Ian Lance Taylor  <iant@google.com>

        * tree-vect-patterns.c (vect_single_imm_use): Correct return
        values from false to NULL.

2012-05-04  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-05-04  Uros Bizjak  <ubizjak@gmail.com>

        PR target/53228
        * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
        (TARGET_CMOV): Rename from TARGET_CMOVE.
        (TARGET_CMOVE): New define.
        * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
        Do not set TARGET_CMOVE here.

2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>

        Backport from mainline:

        2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>

        PR tree-optimization/52633
        * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
        vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
        (vect_recog_over_widening_pattern): Remove handling of code that was
        already detected as over-widening pattern.  Remove special handling
        of "unsigned" cases.  Instead, support general case of conversion
        of the shift result to another type.

        2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>

        * tree-vect-patterns.c (vect_single_imm_use): New function.
        (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
        (vect_recog_over_widening_pattern): Likewise.
        (vect_recog_widen_shift_pattern): Likewise.

        2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>

        PR tree-optimization/52870
        * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
        presumed pattern statement is within the same loop or basic block.

2012-05-04  Richard Guenther  <rguenther@suse.de>

        * common.opt (flto-report): Do not mark as Optimization.

2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/48496
        * recog.c (constrain_operands): If extra constraints are present, also
        accept pseudo-registers with equivalent memory locations during reload.

2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from the mainline
        2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/53199
        * config/rs6000/rs6000.md (bswapdi splitters): If
        -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
        default) is used, generate an alternate sequence that does not
        depend on using indexed addressing.

2012-05-03  David S. Miller  <davem@davemloft.net>

        PR target/52684
        * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
        MEM directly into a libcall, mark it's MEM_EXPR as addressable.
        (sparc_emit_float_lib_cmp): Likewise.

2012-05-04  Martin Jambor  <mjambor@suse.cz>

        Backport from mainline
        2012-05-02  Martin Jambor  <mjambor@suse.cz>

        PR lto/52605
        * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
        of a variable when the contect is a function.

2012-05-03  Jakub Jelinek  <jakub@redhat.com>

        PR plugins/53126
        * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
        append program name to it and pass that as first argument
        to make_relative_prefix.  Always pass standard_libexec_prefix
        as last argument to make_relative_prefix.  If
        make_relative_prefix returns NULL, fall back to
        standard_libexec_prefix.

        PR debug/53174
        * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
        removed.

        PR target/53187
        * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
        mode, return that mode.

2012-05-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53144
        * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
        Rename to ...
        (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
        with SSA name values.
        (vn_reference_lookup_3): Adjust callers.

2012-05-02  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/53163
        * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
        return value from compute_all_dependences.

        PR rtl-optimization/53160
        * ree.c (combine_reaching_defs): Handle the case where cand->insn
        has been modified by ree pass already.

2012-05-01  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-04-30  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/53136
        * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
        calls to cgraph_node_name in xstrdup.
        (ipa_make_edge_direct_to_target): Ditto.
        * tree-sra.c (convert_callers_for_node): Ditto.
        * lto-symtab.c (lto_cgraph_replace_node): Ditto.
        * ipa-cp.c (perhaps_add_new_callers): Ditto.
        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
        (cgraph_materialize_all_clones): Ditto.
        * ipa-inline.c (report_inline_failed_reason): Ditto.
        (want_early_inline_function_p): Ditto.
        (edge_badness): Ditto.
        (update_edge_key): Ditto.
        (flatten_function): Ditto.
        (ipa_inline): Ditto.
        (inline_always_inline_functions): Ditto.
        (early_inline_small_functions): Ditto.

2012-04-30  Andreas Tobler  <andreast@fgznet.ch>

        Backport from mainline
        2012-03-21  Andreas Tobler  <andreast@fgznet.ch>

        * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
        Introduce emul_name to select the right linker emulation for
        powerpc64-*-freebsd*.
        * configure: Regenerate.
        * config.gcc: Add bits to support powerpc64-*-freebsd*.
        * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
        * config/rs6000/freebsd64.h: New file.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
        POWERPC_FREEBSD.
        (rs6000_savres_strategy): Likewise.
        (rs6000_savres_routine_name): Likewise.
        (rs6000_elf_file_end): Likewise.
        * config/rs6000/t-freebsd64: New file.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
        rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.

2012-04-30  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-04-27  Paolo Bonzini  <bonzini@gnu.org>

        PR target/53138
        * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.

2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
        predicate to discriminate types.

2012-04-27  Richard Guenther  <rguenther@suse.de>

        PR c/51527
        * convert.c (convert_to_integer): Avoid infinite recursion for
        target-defined built-in types.

2012-04-26  Hans-Peter Nilsson  <hp@axis.com>

        PR target/53120
        * config/cris/cris.md ("*andhi_lowpart_v32")
        ("*andqi_lowpart_v32"): Change first input-only operand from
        a (match_operand ...) to (match_dup 0).  Drop alternatives with
        const_int-matching constraints for redundancy.
        ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
        three-operand alternative.

2012-04-26  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-04-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
        (*addsi_2_zext): Ditto.
        (*add<mode>_3): Ditto.
        (*addsi_3_zext): Ditto.
        (*add<mode>_5): Ditto.

2012-04-25  Jakub Jelinek  <jakub@redhat.com>

        PR c/52880
        * c-typeck.c (set_nonincremental_init,
        set_nonincremental_init_from_string): Pass true instead of false
        as IMPLICIT to add_pending_init.

2012-04-24  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-04-24 mainline r186768.

        PR target/53065
        * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.

2012-04-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53085
        * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
        stores.

2012-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/53084
        * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
        of MEM_REF.
        (output_addressed_constants): Likewise.

        PR middle-end/52999
        * varasm.c (get_section): Don't ICE for section conflicts with
        built-in section kinds.

2012-04-23  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".

2012-04-23  Georg-Johann Lay  <avr@gjlay.de>

        * doc/extend.texi (AVR Named Address Spaces): Fix typos.

2012-04-23  Richard Guenther  <rguenther@suse.de>

        PR c/53060
        * c-typeck.c (build_binary_op): Fix typo.

2012-04-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimizations/52891
        * tree-vect-patterns.c (adjust_bool_pattern): Use
        build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
        but with non-standard precision.

2012-04-22  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_output_typedef): Dump size of structs.

2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>

        Backport from mainline:

        * config/arm/arm.c (arm_print_operand): Fix invalid alignment
        hints for 'A' operand types.

2012-04-19  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-04-19 mainline r186588.

        PR target/53033
        * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
        the case *(X+const).

2012-04-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".

2012-04-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/53020
        * config/i386/sync.md (atomic_<code><mode>): Rename to
        atomic_<logic><mode>.

2012-04-16  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2012-04-12  Uros Bizjak  <ubizjak@gmail.com>

        PR target/52932
        * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
        argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
        * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
        (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
        * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
        Update builtin type to V8SF_FTYPE_V8SF_V8SI.
        (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
        gen_avx2_permvarv8sf.

2012-04-16  Martin Jambor  <mjambor@suse.cz>

        Backported from mainline

        2012-04-13  Martin Jambor  <mjambor@suse.cz>
        PR middle-end/52939

        * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
        fold_ctor_reference returns a zero constant.

2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>

        Backported from mainline
        2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
        and __ILP32__ for x32.

2012-04-13  Tom de Vries  <tom@codesourcery.com>

        Backport from mainline r186418.

        2012-04-13  Tom de Vries  <tom@codesourcery.com>

        * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
        parameters vuse and vuse_escaped.
        (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
        gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
        vuse1 != vuse2.

2012-04-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52969
        * tree-if-conv.c (predicate_mem_writes): Properly gimplify
        the condition for the COND_EXPR and handle predicate negation
        by swapping the COND_EXPR arms.

2012-04-13  Richard Guenther  <rguenther@suse.de>

        PR c/52862
        * convert.c (convert_to_pointer): Remove special-casing of
        zero.

2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from mainline
        2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/52775
        * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
        the list of options to enable the FCFID instruction.
        (TARGET_EXTRA_BUILTINS): Adjust comment.

2012-04-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52943
        * tree-chrec.h (chrec_is_positive): Remove.
        * tree-scalar-evolution.c (chrec_is_positive): Move ...
        * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
        Return false for a constant zero instead of negative.
        (analyze_siv_subscript_cst_affine): Handle zero difference
        in the initial condition explicitely.

2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/52894
        * varasm.c (process_pending_assemble_externals): Set
        pending_assemble_externals_processed true.
        (assemble_external): Call assemble_external_real if the pending
        assemble externals have been processed.

2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/52717
        * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
        the DECL generated for the special GOT helper.

2012-04-06  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2012-03-07  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
        REG_CFA_* notes for the stack pointer.
        (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
        EH_RETURN_STACKADJ_RTX.
        * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
        generate REG_CFA_* notes for the stack pointer.
        (tilepro_expand_epilogue): Restore stack pointer by adjusting it
        by EH_RETURN_STACKADJ_RTX.

2012-04-06  Matt Turner  <mattst88@gmail.com>

        * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".

2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
        of the destination isn't also a FP_REGS register.

2012-04-03  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-03-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52406
        * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
        (struct indices): Add unconstrained_base member.
        (struct dr_alias): Remove unused vops member.
        (DR_UNCONSTRAINED_BASE): New define.
        * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
        add indices to allow their disambiguation.  Make DR_BASE_OBJECT
        be an artificial access that covers the whole indexed object,
        or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
        plain decl base-objects to their MEM_REF variant.
        (dr_may_alias_p): When the base-object of either data reference
        has unknown size use only points-to information.
        (compute_affine_dependence): Make dumps easier to read and
        more verbose.
        * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
        DR_REF when looking for packed references.
        (vect_supportable_dr_alignment): Likewise.

2012-04-03  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52580
        * tree-data-ref.c (subscript_dependence_tester_1): Check
        all dimensions for non-conflicting access functions.

2012-04-03  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2012-03-06  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52493
        * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.

        2012-03-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52678
        * tree-vectorizer.h (struct _stmt_vec_info): Add
        loop_phi_evolution_part member.
        (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
        * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
        STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
        Use the cached evolution part and the PHI nodes value from
        the loop preheader edge instead of re-analyzing the evolution.

        2012-03-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52701
        * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
        compute and set the evolution part of PHI nodes.

        2012-03-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52754
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
        propagate arbitrary addresses into really plain dereferences.

2012-04-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/52835
        * tree-data-ref.c (build_rdg): Return NULL if
        compute_data_dependences_for_loop failed.

2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
        (stmt_can_make_abnormal_goto): Use it.
        (is_ctrl_altering_stmt): Likewise.

2012-03-31  Martin Jambor  <mjambor@suse.cz>

        Backported from mainline
        2012-03-30  Martin Jambor  <mjambor@suse.cz>

        * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
        is a builtin_stack_save in a dominating BB.

2012-03-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
        crossing 128bit lane boundary.

2012-03-29  Uros Bizjak  <ubizjak@gmail.com>

        Backported from mainline
        2012-03-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/52698
        * config/i386/i386-protos.h (ix86_legitimize_reload_address):
        New prototype.
        * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
        * config/i386/i386.c: Include reload.h.
        (ix86_legitimize_reload_address): New function.

2012-03-28  Martin Jambor  <mjambor@suse.cz>

        Backported from mainline
        2012-03-27  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/52693
        * tree-sra.c (sra_modify_assign): Do not call
        load_assign_lhs_subreplacements when working with an unscalarizable
        region.

2012-03-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/52691
        * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
        __builtin_va_start to __builtin_next_arg if the latter is
        builtin_decl_explicit_p rather than when it is not.

        PR middle-end/52750
        * tree-vect-generic.c (vector_element): Perform multiplication
        for pos in bitsizetype type instead of idx type.

2012-03-28  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-03-28 mainline r185910.

        PR target/52692
        * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
        (avr_builtin_decl): New static function.
        (struct avr_builtin_description, avr_bdesc): Move up.
        Add GTY marker. Add field fndecl. Remove redundant field id.
        (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
        (avr_expand_builtin): Code cleanup because .id is removed.

2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>

        PR middle-end/51893
        * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
        targets.

2012-03-28  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-03-28 mainline r185907.

        PR target/52737
        * config.gcc (tm_file): Remove avr/multilib.h.

        * doc/invoke.texi (AVR Options): Adjust
        documentation of -mtiny-stack.

        * config/avr/genmultilib.awk: Remove code to generate multilib.h.
        (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
        * config/avr/t-avr: Remove generation of multilib.h.
        * config/avr/t-multilib: Regenerate.
        * config/avr/multilib.h: Remove.
        * config/avr/avr.opt (-msp8): New option.
        (avr_sp8): New variable.
        * config/avr/driver-avr.c (avr_device_to_sp8): New function.
        * config/avr/avr.h (AVR_HAVE_SPH): New define.
        (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
        (avr_device_to_sp8): New prototype.
        (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
        (DRIVER_SELF_SPECS): New define.
        * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
        __AVR_SP8__, __AVR_HAVE_SPH__.
        * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
        AVR_HAVE_8BIT_SP to decide if SP_H is present.
        (avr_file_start): Ditto.

2012-03-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/52736
        * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
        instead of 8 in adjust_address.

2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>

        * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
        of a unit before computing the offset in units.

2012-03-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52720
        * fold-const.c (try_move_mult_to_index): Handle &x.array more
        explicitely.

2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/52610
        * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.

2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/52640
        * varasm.c: Include pointer-set.h.
        (pending_assemble_externals_set): New pointer set.
        (process_pending_assemble_externals): Destroy the pointer set.
        (assemble_external): See if decl is in pending_assemble_externals_set,
        and add it to pending_assemble_externals if necessary.
        (init_varasm_once): Allocate pending_assemble_externals_set.

2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backported from mainline
        2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/50310
        * config/rs6000/vector.md (vector_uneq<mode>): Add support for
        UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
        (vector_ltgt<mode>): Likewise.
        (vector_ordered<mode>): Likewise.
        (vector_unordered<mode>): Likewise.
        * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.

2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
        Make static.

2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>

        Backported from mainline
        2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/48596
        PR target/48806
        * config/sh/sh.c (sh_register_move_cost): Increase cost between
        GENERAL_REGS and FP_REGS for SImode.

2012-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/52547
        * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
        on any new_local_var_chain vars declared during recursing on
        GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.

2012-03-22  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2012-03-22 mainline r185692.

        PR target/52496
        * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
        (unspecv): Add UNSPECV_MEMORY_BARRIER.
        (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
        (delay_cycles_1, delay_cycles_2): Ditto.
        (delay_cycles_3, delay_cycles_4): Ditto.
        (nopv, *nopv): Ditto.
        (sleep, *sleep): Ditto.
        (wdr, *wdr): Ditto.

        Backport from 2012-03-21 mainline r185605.

        PR rtl-optimization/52543
        PR target/52461
        * config/avr/avr-protos.h (avr_load_lpm): New prototype.
        * config/avr/avr.c (avr_mode_dependent_address_p): New function.
        (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
        (avr_load_libgcc_p): Restrict to __flash loads.
        (avr_out_lpm): Only handle 1-byte loads from __flash.
        (avr_load_lpm): New function.
        (avr_find_unused_d_reg): Remove.
        (avr_out_lpm_no_lpmx): Remove.
        (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
        * config/avr/avr.md (unspec): Add UNSPEC_LPM.
        (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
        (load_<mode>, load_<mode>_clobber): New insns.
        (mov<mode>): For multi-byte move from non-generic
        16-bit address spaces: Expand to load_<mode> resp.
        load_<mode>_clobber.
        (load<mode>_libgcc): Remove expander.
        (split-lpmx): Remove split.

        Backport from 2012-03-13 mainline r185329.

        PR target/52488
        * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
        offset (size) to a value the insns can deal with.
        (expand_epilogue): Ditto.

        Backport from 2012-03-12 mainline r185256.

        PR target/52499
        * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
        type from reg_class_t to enum reg_class.
        * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.

        Backport from 2012-03-12 mainline r185253.

        PR target/52148
        * config/avr/avr.c (avr_out_movmem): Fix typo in output template
        for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
        r184615 from 2012-02-28.

        Backport from 2012-03-08 mainline r185105.

        * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
        for constants in [-63,63].

        Backport from 2012-03-08 mainline r185100.

        PR target/52496
        * config/avr/avr.c (avr_mem_clobber): New static function.
        (avr_expand_delay_cycles): Add memory clobber operand to
        delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
        * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
        (enable_interrupt, disable_interrupt): New expander.
        (nopv, sleep, wdr): New expanders.
        (delay_cycles_1): Add memory clobber.
        (delay_cycles_2): Add memory clobber.
        (delay_cycles_3): Add memory clobber.
        (delay_cycles_4): Add memory clobber.
        (cli_sei): New insn from former "enable_interrupt",
        "disable_interrupt" with memory clobber.
        (*wdt): New insn from former "wdt" with memory clobber.
        (*nopv): Similar, but for "nopv".
        (*sleep): Similar, but for "sleep".

        Backport from 2012-03-07 mainline r185043.

        PR target/52484
        * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.

        Backport from 2012-03-07 mainline r185032.

        PR target/52506
        * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
        to: RAMPZ, RAMPY, RAMPX, RAMPD.
        (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.

        Backport from 2012-03-07 mainline r185031.

        PR target/52505
        * config/avr/avr.c (avr_out_xload): Don't read unintentionally
        from RAM.
        * config/avr/avr.md (xload_8): Adjust insn length.

        Backport from 2012-03-07 mainline r185030.

        PR target/52461
        * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
        if RAMPZ affects reading from RAM.

        Backport from 2012-03-05 mainline r184919.

        * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.

2012-03-22  Georg-Johann Lay  <avr@gjlay.de>

        Backport from mainline r185259.

        PR other/52545
        * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
        SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.

2012-03-22  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2012-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR c/52577
        * c-parser.c (c_parser_postfix_expression)
        <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.

        * config/i386/smmintrin.h: Avoid /* within a comment.
        * config/i386/nmmintrin.h: Likewise.

2012-03-22  Richard Guenther  <rguenther@suse.de>

        * BASE-VER: Set to 4.7.1.
        * DEV-PHASE: Set to prerelease.

2012-03-22  Release Manager

        * GCC 4.7.0 released.

2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, *-*-solaris2*): Improve wording.

2012-03-15  Jakub Jelinek  <jakub@redhat.com>
            Andrew Pinski  <apinski@cavium.com>

        PR middle-end/52592
        * builtins.c (expand_builtin_int_roundingfn_2): If expanding
        BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
        calls instead of __builtin_ir{int,ound}*.

2012-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR c++/52582
        * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
        if c_node is NULL.

2012-03-13  Joseph Myers  <joseph@codesourcery.com>

        * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
        Refer to GCC 4.7 version of c99status.html.

2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from mainline
        2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
        redefine to be NULL if the current bit-size is different from the
        configured bit-size.

        * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
        cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
        set the default tuning.  Add asserts to make sure the cpu and tune
        indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
        test whether the index is set, instead of > 0.
        (rs6000_file_start): Do not reset the default cpu if the current
        bit-size is different from the configured bit-size.

2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
        binutils reference.
        (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
        Update binutils references.
        (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
        Update binutils reference.
        Update Sun as/GNU ld caveat.
        Document binutils largefile requirement for LTO plugin.
        Remove reference to alternate libpthread.

2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
        reference.
        (Specific, mips-sgi-irix6): Likewise.

2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
        * configure: Regenerate.

2012-03-07  Richard Henderson  <rth@redhat.com>

        * config/m68k/m68k.h (ISA_HAS_TAS): New.
        * config/m68k/sync.md (atomic_test_and_set): Use it.
        (atomic_test_and_set_1): Likewise.

2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>

        PR target/51417
        * Makefile.in: Let install-gcc-ar depend on installdirs,
        gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
        Don't double canonicalize if cross-compiling.

2012-03-06  Aldy Hernandez  <aldyh@redhat.com>

        * trans-mem.c: New typedef for tm_region_p.
        Define vector types for tm_region_p.
        (tm_region_init): Replace region_worklist to a vector called
        bb_regions.

2012-03-06  Aldy Hernandez  <aldyh@redhat.com>

        PR middle-end/52463
        * trans-mem.c (tm_region_init): Use last_basic_block.

2012-03-05  Richard Henderson  <rth@redhat.com>

        PR tree-opt/52242
        Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
        * omp-low.c (expand_omp_atomic): Assume anything aligned to
        BIGGEST_ALIGNMENT is aligned.

2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.

2012-03-05  Richard Henderson  <rth@redhat.com>

        PR target/52481
        * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
        instead of calling negqi2 directly.

2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
        (INTMAX_TYPE): Use it.
        (UINTMAX_TYPE): Likewise.
        (SUBTARGET_OVERRIDE_OPTIONS): Define.
        (irix6_c_common_override_options): Declare.
        (C_COMMON_OVERRIDE_OPTIONS): Define.
        * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
        * config/mips/irix6-c.c: New file.
        * config/mips/t-irix6 (irix6-c.o): New target.
        * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
        cxx_target_objs.

2012-03-02  Richard Henderson  <rth@redhat.com>

        * optabs.c (expand_atomic_test_and_set): Honor
        atomic_test_and_set_trueval even when atomic_test_and_set
        optab is not in use.

2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>

        Backport from mainline
        2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.

2012-03-02  Richard Guenther  <rguenther@suse.de>

        * DEV-PHASE: Set to prerelease.

2012-03-01  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc (obsolete): Add all ARM targets using the FPA.
        (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
        * doc/install.texi: Avoid references to obsolete ARM ports.

2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.

2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
            Joern Rennecke  <joern.rennecke@embecosm.com>

        * doc/extend.texi: Expand and update information on interrupt
        attribute for Epiphany.

2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh-protos.h: Update copyright notice dates.
        * config/sh/sh.h: Likewise.
        * config/sh/sh.md: Likewise.
        * config/sh/constraints.md: Likewise.
        * config/sh/predicates.md: Likewise.

2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
        * config/sh/sh.c (tertiary_reload_operand): Likewise.

2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/constraints.md: Fix comment typo.

2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/52408
        * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
        unsigned HOST_WIDE_INT.
        (zvdep_imm64): Likewise.
        (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
        (vdepi_and): Likewise.
        Likewise for unamed 64-bit patterns.
        * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.

2012-03-01  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/52001
        PR rtl-optimization/52417
        * cselib.c (cselib_any_perm_equivs): New variable.
        (cselib_reset_table): Check that it's not set when not
        preserving constants.
        (cselib_add_permanent_equiv): Set it.
        (cselib_have_permanent_equivalences): New.
        (cselib_init, cselib_finish): Reset it.
        * cselib.h (cselib_have_permanent_equivalences): Declare.
        * alias.c (get_addr): Restore earlier behavior when there
        aren't permanent equivalences.

2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>

        * config/mn10300/mn10300-modes.def: Fix copyright notice.
        * config/v850/v850-modes.def: Fix copyright notice.

2012-03-01  Georg-Johann Lay  <avr@gjlay.de>

        * doc/extend.texi (AVR Built-in Functions): Document
        __builtin_avr_flash_segment.

        * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
        * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
        (*split.flash_segment): New insn-and-split.
        * config/avr/avr.c (avr_init_builtins): Add local variables:
        const_memx_void_node, const_memx_ptr_type_node,
        char_ftype_const_memx_ptr.

2012-03-01  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/52445
        * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
        add ssa_name_ver, offset and size fields and change store field
        to bool.
        (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
        (add_or_mark_expr): Likewise.  Only consider previous stores
        with the same size and offset.
        (nt_init_block): Only look at gimple_assign_single_p stmts,
        doesn't look at rhs2.

2012-03-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52443
        * tree-cfg.c (verify_gimple_assign_unary): Allow any
        conversions from integral types to pointer types.

2012-03-01  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
        defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
        unintentionally removed in r184616.

2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * doc/invoke.texi: Document AMD bdver2 and remove mentioning
        3DNow from bdver1.

2012-02-29  Jakub Jelinek  <jakub@redhat.com>
            Uros Bizjak  <ubizjak@gmail.com>

        PR target/52437
        * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
        alternatives, add "e" constraint to the new last alternative
        and ! to last 3 alternatives.

2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
        DW_AT_artificial attributes at the end of the processing.
        (gen_array_type_die): Likewise.
        (gen_enumeration_type_die): Likewise.
        (gen_struct_or_union_type_die): Likewise.
        (add_gnat_descriptive_type_attribute): Do not suppress debug info for
        the parent type.

2012-02-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/52419
        * expr.c (expand_assignment): If doing misaligned store that doesn't
        cover all mode bits, perform a RMW cycle.

        PR tree-optimization/52429
        * tree-parloops.c (separate_decls_in_region_debug): Return early
        if var is LABEL_DECL.

2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/52424
        * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
        calling dom_thread_across_edge.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.c: Move definition of TARGET macros to end of file.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
        * config/avr/avr.c (avr_output_bld): Remove unused function.
        (avr_out_sbxx_branch): Use "%T" to print bit position.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md: Untabify.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md (eqne): New code iterator.
        (*dec-and-branchsi): Use it in text peephole's condition.
        (*dec-and-branchhi): Ditto.
        (*dec-and-branchqi): Ditto.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

        PR target/49939
        * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
        the device does not have the skip-bug.

2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>

        * doc/invoke.texi (-msoft-atomic): Add more detailed description.
        (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
        -mpretend-cmove): New.

2012-02-29  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/52397
        * df.h (struct df_d): Adjust comment that hard_regs_live_count
        doesn't count DEBUG_INSN refs.
        * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
        for DEBUG_INSN refs.

2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        Partially revert:

        2012-02-20  Richard Guenther  <rguenther@suse.de>
        PR tree-optimization/52298
        * tree-vect-stmts.c (vectorizable_load): Properly use
        STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
        outer loops.

2012-02-28  Aldy Hernandez  <aldyh@redhat.com>

        PR middle-end/51752
        * gimple.h (gimple_in_transaction): New.
        (gimple_set_in_transaction): New.
        (struct gimple_statement_base): Add in_transaction field.
        * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
        transaction loads.
        (tree_ssa_lim_initialize): Compute transaction bits.
        * tree.h (compute_transaction_bits): Protoize.
        * trans-mem.c (tm_region_init): Use the heap to store BB
        auxilliary data.
        (compute_transaction_bits): New.

2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * gcc.c (display_help): Document --help=common and sort entries
        alphabetically.

2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * doc/install.texi: Document check-$LANG specific shortcuts

2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

        PR target/51534
        * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
        and vcgtu.
        * config/arm/arm_neon.h: Regenerate.
        * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
        (neon_vcgeu): New insn.
        (neon_vcgtu): Likewise.
        * config/arm/neon.ml (s_8_32, u_8_32): New lists.
        (ops): Unsigned comparison intrinsics call a different
        builtin.

2012-02-28  Richard Guenther  <rguenther@suse.de>

        PR target/52407
        * config/i386/i386.c (ix86_expand_vector_set): Fix element
        ordering for the VEC_CONCAT for two element vectors for
        V2SFmode, V2SImode and V2DImode.

2012-02-28  Richard Earnshaw  <rearnsha@arm.com>

        PR target/49448
        * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
        detecting big-endian triplets.

2012-02-28  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
        mode if there is no type information available.

2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR tree-optimization/53207
        * doc/invoke.texi: Document as experimental and relying on graphite.

2012-02-28  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
        of initializer to changes from r184614.

2012-02-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52395
        * tree-sra.c (build_ref_for_offset): Also look at the base
        TYPE_ALIGN when figuring out the alignment of the replacement.

2012-02-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52402
        * ipa-prop.c (ipa_modify_call_arguments): Properly use
        mis-aligned types when creating the accesses at the call site.

2012-02-28  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/builtins.def: New file.
        * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
        * config/avr/avr.c (enum avr_builtin_id): Use it.
        (avr_init_builtins): Use it. And use avr_bdesc.
        (bdesc_1arg): Remove.
        (bdesc_2arg): Remove.
        (bdesc_3arg): Remove.
        (struct avr_builtin_description): Add field n_args.
        (avr_bdesc): New static variable using builtins.def.
        (avr_expand_builtin): Use it.
        Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
        (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
        Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.

2012-02-28  Georg-Johann Lay  <avr@gjlay.de>

        PR target/52148
        * config/avr/avr.md (movmem_<mode>): Replace match_operand that
        match only one single hard register with respective hard reg rtx.
        (movmemx_<mode>): Ditto.
        * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
        insn anatomy of movmem[x]_<mode>.
        (avr_out_movmem): Same for printing assembler and operand usage.

2012-02-28  Georg-Johann Lay  <avr@gjlay.de>

        PR target/49868
        PR target/52261
        * doc/extend.texi (AVR Named Address Spaces): No more try to fix
        address spaces located outside of device flash.

        * config/avr/avr.h (base_arch_s): Remove field n_segments.
        (mcu_type_s): Add field n_flash.
        * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
        Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
        (AVR_MCU): Add N_FLASH argument.
        * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
        * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
        macro __FLASH<n> if that address space makes sense for the device.
        * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
        outside of target flash.
        (avr_asm_named_section): Ditto.
        (avr_asm_select_section): Ditto.
        (avr_addr_space_convert): Ditto.
        (avr_emit_movmemhi): Ditto.
        (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
        address space is outside of device flash.
        (avr_insert_attributes): Ditto.
        (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
        avr_current_arch->n_segments.

2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/52352
        * config/i386/i386.md (*movabs<mode>_1): Enable only for
        TARGET_LP64.
        (*movabs<mode>_2): Likewise.

2012-02-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/52375
        * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
        s_register_operand in the test instead of REG_P.  Don't call
        gen_reg_rtx if it won't be used.

        PR tree-optimization/52376
        * ipa-split.c (split_function): Ignore CLOBBER stmts.

2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>

        * ifcvt.c (noce_get_condition): Check condition variable is not
        small_register_classes_for_mode_p before accepting.

2012-02-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.

2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

        Revert:
        2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
        * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
        tuning parameters.
        * config/arm/arm.c (arm_cortex_a15_tune): New static variable.

2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.

2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/predicates.md: Remove blank lines.
        * config/sh/sh.c: Fix typos in comments.
        * config/sh/constraints.md: Likewise.
        * config/sh/sh.md: Remove blank lines.
        Fix typos in comments.  Use ;; as comment characters.

2012-02-26  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
        (replace_mov_pcrel_step2): Ditto.

2012-02-25  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/52001
        * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
        (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
        and locs that reference values newer than the non-canonical value
        at hand.  Return the canonical value as a worst case.
        (memrefs_conflict_p): Walk canonical value's locs.

        PR debug/52001
        * cselib.c (preserve_only_constants): Rename to...
        (preserve_constants_and_equivs): ... this.  Split out...
        (invariant_or_equiv_p): ... this.  Preserve plus expressions
        of other preserved expressions too.
        (cselib_reset_table): Adjust.
        * var-tracking.c (reverse_op): Use canonical value to build
        reverse operation.

2012-02-23  Kai Tietz  <ktietz@redhat.com>

        * config/i386/i386.c (ix86_delegitimize_address): Handle
        UNSPEC_PCREL plus displacement.

2012-02-24  Georg-Johann Lay  <avr@gjlay.de>

        PR target/52261
        * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
        to test for unusedness in st X addressing.

2012-02-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52361
        * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
        (is_gimple_reg_type): Move inline ...
        * gimple.h (is_gimple_reg_type): ... here.

2012-02-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52361
        * passes.c (execute_function_todo): When verifying SSA form
        verify gimple form first.
        * tree-ssa.c (verify_ssa): Do not verify gimple form here.

2012-02-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52355
        * fold-const.c (fold_addr_of_array_ref_difference): New function.
        (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.

2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * tree-if-conv (predicate_scalar_phi): Commentary typo fix.

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * tree-phinodes.c (make_phi_node): Mark static.
        * tree-flow.h (make_phi_node): Remove extern decl.
        * doc/gimple.texi (make_phi_node): Remove documentation.

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
        * tree-ssa-sccvn.c (print_scc): Ditto.

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * doc/passes.texi (Full redundancy elimination): Fix typo.

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.

2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/52287
        * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.

2012-02-23  Uros Bizjak  <ubizjak@gmail.com>

        PR c/52290
        * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.

2012-02-23  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md (code_stdname): Add ior, xor.
        (xior): New code iterator.
        (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
        (*<code_stdname><mode>qi.byte1-3): Ditto.

2012-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/52019
        * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
        CLOBBER stmts.

2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
        HAVE_INITFINI_ARRAY to work around namespace pollution in
        certain versions of newlib system headers.
        * config.in: Regenerate.
        * configure: Regenerate.
        * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
        instead of HAVE_INITFINI_ARRAY.

2012-02-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/52330
        * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
        is not offsettable memory reference.

2012-02-22  Georg-Johann Lay  <avr@gjlay.de>

        PR target/18145
        * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
        setting avr_need_clear_bss_p for __gnu_lto* symbols.

2012-02-22  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
        * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.

2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
        library on Solaris 8 even without TLS support.
        * configure: Regenerate.

2012-02-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52329
        * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
        for GIMPLE_DEBUG stmts.

2012-02-22  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/51782
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
        according to the base object.

2012-02-22  Georg-Johann Lay  <avr@gjlay.de>

        PR rtl-optimization/50063
        * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
        and 2 (8-bit SP) in operand 2.
        * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
        setup to use movhi_sp_r instead of vanilla move to write SP.
        Adjust REG_CFA notes to superseed unspec.
        (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
        of vanilla move.
        As function body might contain CLI or SEI: Use irq_state 0 (IRQ
        known to be off) only with TARGET_NO_INTERRUPTS. Never use
        irq_state 1 (IRQ known to be on) here.

2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>

        * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
        WORDS_BIG_ENDIAN.
        * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
        assign_hard_reg): Likewise.

2012-02-21  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".

2012-02-21  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md
        (*dec-and-branchhi!=-1.d.clobber): New text peephole.
        (*dec-and-branchhi!=-1.l.clobber): New text peephole.

2012-02-21  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
        prototype from here to...
        * config/avr/avr.h: ...here.

2012-02-21  Richard Earnshaw  <rearnsha@arm.com>

        PR target/52294
        * thumb2.md (thumb2_shiftsi3_short): Split register and
        immediate shifts.  For register shifts tie operands 0 and 1.
        (peephole2 for above): Check that register-controlled shifts
        have suitably tied operands.

2012-02-21  Quentin Neill  <quentin.neill@amd.com>

        PR target/52137
        * config/i386/bdver1.md (bdver1_call, bdver1_push,
        bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
        bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
        bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
        bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
        bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
        bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
        bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
        bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
        bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
        bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
        bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
        bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
        bdver1_ssevector_avx256_unaligned_load,
        bdver1_ssevector_sse128_unaligned_load,
        bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
        bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
        bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
        bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
        bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
        bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
        bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
        bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
        bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
        bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
        bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
        bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
        bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
        bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
        bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
        bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
        bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
        bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
        bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
        bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
        bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
        bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
        bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
        bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
        bdver1_ssediv_double_load, bdver1_ssediv_double,
        bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
        Add "bdver2" attribute.

2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
        default if possible and not specified otherwise.

2012-02-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/52314
        * gimplify.c (create_tmp_from_val): Use the main variant type
        for the type of the temporary we create.

2012-02-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52324
        * gimplify.c (gimplify_expr): When re-gimplifying expressions
        do not gimplify a MEM_REF address operand if it is already
        in suitable form.

2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
        TARGET_HARD_FLOAT with TARGET_HARD_DFP.

2012-02-21  Richard Guenther  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): Use pre-computed
        nested_in_vect_loop.

2012-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/52318
        * gimple-fold.c (gimplify_and_update_call_from_tree): Add
        vdef also to non-pure/const call stmts in the sequence.

2012-02-20  David S. Miller  <davem@davemloft.net>

        * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
        don't use the "rd %pc" instruction on v9 for PIC register loads.

2012-02-20  Aldy Hernandez  <aldyh@redhat.com>

        PR middle-end/52141
        * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
        in a transaction safe function.

2012-02-20  Kai Tietz  <ktietz@redhat.com>

        PR target/52238
        * stor-layout.c (place_field): Handle desired_align for
        ms-bitfields, too.

2012-02-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/52298
        * tree-vect-stmts.c (vectorizable_store): Properly use
        STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
        outer loops.
        (vectorizable_load): Likewise.
        * tree-vect-data-refs.c (vect_analyze_data_ref_access):
        Access DR_STEP after ensuring it is not NULL.

2012-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/52286
        * fold-const.c (fold_binary_loc): For (X & C1) | C2
        optimization use double_int_to_tree instead of build_int_cst_wide,
        rewrite to use double_int vars.

2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/50166
        * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
        Define _start.
        Remove -e 0 from $gcc_cv_ld invocation.
        Only use __GLIBC_PREREQ if defined.
        Enable on Solaris since Solaris 8 patch.
        (gcc_SUN_LD_VERSION): New macro.
        * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
        gcc_SUN_LD_VERSION for version number format.
        * configure: Regenerate.
        * varasm.c (get_elf_initfini_array_priority_section): Set
        SECTION_NOTYPE for non-default priority.
        Use get_section instead of get_unnamed_section to emit
        .init_array/.fini_array with default priority.

2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
        (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
        (mips_start_unique_function, mips_output_mips16_rdhwr)
        (mips_code_end): New functions.
        (TARGET_ASM_CODE_END): Define.

2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips16_build_call_stub): Add CFI information
        to stubs with non-sibling calls.

2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (-fira-* options): Copy-edit.
        (ira-* parameters): Copy-edit.

2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi: Minor copy-edits to bring into conformance with
        GCC coding conventions.

2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
        when used as adjectives.

2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi: Clean up "that"/"which" confusion.

2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>

        * system.h: Poison SMALL_REGISTER_CLASSES
        * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
        * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.

2012-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/52285
        * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
        when deciding if a call is a tail call or tail recursion.

2012-02-16  Kai Tietz  <ktietz@redhat.com>

        * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
        interger-constant displacement for UNSPEC_PCREL.

2012-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/52208
        * ira-costs.c (scan_one_insn): Don't decrease mem_cost
        for MEMs with REG_EQUIV, if the MEM isn't general_operand.

        PR tree-optimization/52255
        * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
        loop->header has virtual PHI, but exit_e->dest doesn't, add
        virtual PHI to exit_e->dest and adjust all uses after the loop.

        PR debug/52260
        * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
        children with clone_tree_hash, not after it.

2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
        extended identifiers.

2012-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/51929
        * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
        a same_body_alias, also test whether e->callee isn't a former
        or current clone of the decl this is a same body alias of.

        PR translation/52264
        * cgraphunit.c (verify_cgraph_node): Fix a typo.

2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.

2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/52199
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
        force_reg instead of copy_to_reg for better optimization.  Force
        non-register or memory operands into a register.

2012-02-15  Andrew MacLeod  <amacleod@redhat.com>

        * extend.texi: Reserve upper bits of memory model for future use.

2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
            Anatoly Sokolov <aesok@post.ru>
            Eric Weddington <eric.weddington@atmel.com>

        PR target/52261
        * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
        avrxmega4, avrxmega5, avrxmega6, avrxmega7.
        Rewrite initializers for .macro.
        * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
        avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
        atxmega32d4, atxmega32x1.
        avrxmega4: atxmega64a3, atxmega64d3.
        avrxmega5: atxmega64a1, atxmega64a1u.
        avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
        atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
        avrxmega7: atxmega128a1, atxmega128a1u.
        * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
        ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
        (struct base_arch_s): Rename reserved to xmega_p.
        Rename reserved2 to have_rampd.
        (AVR_XMEGA): New define.
        (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
        (AVR_HAVE_RAMPZ): Change definition to fit xmega.
        * config/avr/predicates.md (io_address_operand): Take into
        account SFR offset.
        (low_io_address_operand): Ditto.
        (high_io_address_operand): Ditto.
        * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
        (enabled, movhi_sp_r): Use them.
        * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
        cpp_define_formatted to built-in define __AVR_ARCH__.
        (__AVR_XMEGA__): New built-in define.
        (__AVR_HAVE_RAMPD__): New built-in define.
        (__AVR_HAVE_RAMPX__): New built-in define.
        (__AVR_HAVE_RAMPY__): New built-in define.
        (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.

        * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
        (avr_option_override): Initialize them.
        (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
        (avr_init_expanders): Initialize them. No more block several calls.
        (emit_push_sfr): New static function.
        (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
        Handle AVR_XMEGA.
        (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
        (avr_print_operand): Print addreeses as symbols for
        RAMPX, RAMPY, RAMPD, CCP.
        (output_movhi): Handle AVR_XMEGA when writing to SP.
        (avr_out_movhi_mr_r_xmega): New static function.
        (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
        (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
        __RAMPD__,  __CCP__ as needed.

        * config/avr/multilib.h: Regenerate.