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

        * gcc.c-torture/execute/pr54985.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@193108 138bc75d-0d04-0410-961f-82ee72b054a4

2012-11-02  Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/55169
* include/bits/random.h: Remove all uses of param().

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2012-11-01   Haakan Younes  <hyounes@google.com>
     Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/55047
* include/bits/random.h (exponential_distribution<>::operator):
Fix formula to std::log(result_type(1) - __aurng()).
* include/bits/random.tcc: Likewise, everywhere.

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@193045 138bc75d-0d04-0410-961f-82ee72b054a4

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

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@193019 138bc75d-0d04-0410-961f-82ee72b054a4

2012-10-31  Joel Sherrill  <joel.sherrill@oarcorp.com>

* config.host (m32r-*-rtems*): Include crtinit.o and crtfinit.o
as extra_parts.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@193011 138bc75d-0d04-0410-961f-82ee72b054a4

compiler: Add -fgo-relative-import-path.

* lang.opt (-fgo-relative-import-path): New option.
* go-lang.c (go_relative_import_path): New static variable.
(go_langhook_init): Pass go_relative_import_path to
go_create_gogo.
(go_langhook_handle_option): Handle -fgo-relative-import-path.
* go-c.h (go_create_gogo): Update declaration.
* gccgo.texi (Invoking gccgo): Document
-fgo-relative-import-path.

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@193002 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/Make-lang.in: Fix and clean up rules for C files.

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    PR libstdc++/55123
        * include/bits/shared_ptr_base.h (__shared_count::_S_create_from_up):
        Do not instantiate allocator with element_type.
        * testsuite/20_util/shared_ptr/cons/55123.cc: New.

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PR ada/53517
* gnat.dg/lto14.adb: Skip on Solaris.

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

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

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Author: Gunther Nikl <gnikl@users.sourceforge.net>

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192858 138bc75d-0d04-0410-961f-82ee72b054a4

/cp
2012-10-26  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/54984
* init.c (build_new): Don't turn a null *init into a pointer to
empty vector orig_init.

/testsuite
2012-10-26  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/54984
* g++.dg/template/new11.C: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192847 138bc75d-0d04-0410-961f-82ee72b054a4

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

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192839 138bc75d-0d04-0410-961f-82ee72b054a4

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

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

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

PR target/55019
* gcc.dg/pr55019.c: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192831 138bc75d-0d04-0410-961f-82ee72b054a4

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

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

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

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192816 138bc75d-0d04-0410-961f-82ee72b054a4

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

* config.host (sparc64-*-rtems*): Remove sparc/t-elf.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192806 138bc75d-0d04-0410-961f-82ee72b054a4

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

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

* g++.dg/torture/pr54902.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192803 138bc75d-0d04-0410-961f-82ee72b054a4

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

* config.host (sh*-*-rtems*): Add sh*-*-elf*'s extra_parts.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192800 138bc75d-0d04-0410-961f-82ee72b054a4

2012-10-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>

* config.host (powerpc-*-rtems*): Add rs6000/t-savresfgpr to
tmake_file.

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mksysinfo: Define SIGPOLL and SIGCLD if necessary.

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

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

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

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

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PR go/54918
Revert previous patch: do not change libgo SONAME on branch.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192738 138bc75d-0d04-0410-961f-82ee72b054a4

Set libgo.so version number for GCC 4.7 releases.

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

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* gcc-interface/Makefile.in: Remove outdated comment and reference to
non-existing file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192683 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Force
BLKmode on the type if it is passed by reference.
<E_Array_Subtype>: Likewise.
<E_Record_Type>: Guard the call to Is_By_Reference_Type predicate.
<E_Record_Subtype>: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192674 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/trans.c (Loop_Statement_to_gnu): Use gnat_type_for_size
directly to obtain an unsigned version of the base type.

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* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Out_Parameter>: Do not
generate the special PARM_DECL for an Out parameter in LTO mode.

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* gnat.dg/specs/atomic1.ads: XFAIL on MIPS.
* gnat.dg/specs/addr1.ads: Likewise.

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PR54945

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

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

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

PR target/54892
* gcc.target/arm/pr54892.c: New.

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

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

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

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

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192518 138bc75d-0d04-0410-961f-82ee72b054a4

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

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

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

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

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

    PR rtl-optimization/53701
    * gcc.dg/pr53701.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192498 138bc75d-0d04-0410-961f-82ee72b054a4

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

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

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

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

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

testsuite/ChangeLog:

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

* gcc.target/i386/avx256-unaligned-load-1.c: Update asm scan patterns.
* gcc.target/i386/avx256-unaligned-load-2.c: Ditto.
* gcc.target/i386/avx256-unaligned-load-3.c: Ditto.
* gcc.target/i386/avx256-unaligned-load-4.c: Ditto.
* gcc.target/i386/avx256-unaligned-store-1.c: Ditto.
* gcc.target/i386/avx256-unaligned-store-2.c: Ditto.
* gcc.target/i386/avx256-unaligned-store-3.c: Ditto.
* gcc.target/i386/avx256-unaligned-store-4.c: Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192477 138bc75d-0d04-0410-961f-82ee72b054a4

Backport from trunk (r190222):

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192476 138bc75d-0d04-0410-961f-82ee72b054a4

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

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

* gcc.dg/torture/pr54920.c: New testcase.

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Daily bump.

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2012-10-14  Janus Weil  <janus@gcc.gnu.org>

PR fortran/54784
* trans-stmt.c (gfc_trans_allocate): Correctly determine the reference
to the _data component for polymorphic allocation with SOURCE.

2012-10-14  Janus Weil  <janus@gcc.gnu.org>

PR fortran/54784
* gfortran.dg/class_allocate_13.f90: New.

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2012-10-12  Thomas König  <tkoenig@gcc.gnu.org>

PR libfortran/54736
libgfortran/Changelog:  Fix date of last commit.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192411 138bc75d-0d04-0410-961f-82ee72b054a4

2012-10-06  Thomas König  <tkoenig@gcc.gnu.org>

PR libfortran/54736
Backport from trunk
* runtime/environ.c (search_unit):  Correct logic
for binary search.
(mark_single):  Fix index errors.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192408 138bc75d-0d04-0410-961f-82ee72b054a4

Revert r192309.

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2012-10-10  Andrew MacLeod  <amacleod@redhat.com>

PR libstdc++/54861
* include/bits/atomic_base.h (atomic_signal_fence): Call
__atomic_signal_fence instead of __atomic_thread_fence.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192332 138bc75d-0d04-0410-961f-82ee72b054a4

    Fix missing gthr-default.h issue on separate libstdc++ configure
        * acinclude.m4: Define glibcxx_thread_h.
        * include/Makefile.am: Use glibcxx_thread_h.
        * Makefile.in: Regenerate.
        * configure: Regenerate.
        * doc/Makefile.in: Regenerate.
        * include/Makefile.in: Regenerate.
        * libsupc++/Makefile.in: Regenerate.
        * po/Makefile.in: Regenerate.
        * python/Makefile.in: Regenerate.
        * src/Makefile.in: Regenerate.
        * src/c++11/Makefile.in: Regenerate.
        * src/c++98/Makefile.in: Regenerate.
        * testsuite/Makefile.in: Regenerate.

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Move my ChangeLog entry to correct place.

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* es.po: Update.

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PR c++/54858
* tree.c (cp_tree_equal): Handle FIELD_DECL.

* g++.dg/template/pr54858.C: New test.

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192202 138bc75d-0d04-0410-961f-82ee72b054a4

2012-10-08  Terry Guo  <terry.guo@arm.com>

        Backported from mainline
        2012-09-19  Terry Guo  <terry.guo@arm.com>

        * lib/gcc-dg.exp (dg_runtest_extra_prunes): New variable to define
        extra prune rules that will be applied to all tests in a .exp file.
        (gcc-dg-prune): Use rules defined by the above variable.
        * gcc.target/arm/arm.exp (dg_runtest_extra_prunes): Skip all the
        harmless warnings on architecture switch conflict.

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* config.host (*-*-openbsd*): Add t-eh-dw2-dip to tmake_file.
* unwind-dw2-fde-dip.c: Don't include <elf.h> on OpenBSD.
(USE_PT_GNU_EH_FRAME): Define for OpenBSD.
(ElfW): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192172 138bc75d-0d04-0410-961f-82ee72b054a4

Fix date of ChangeLog entry for

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

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192147 138bc75d-0d04-0410-961f-82ee72b054a4

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192144 138bc75d-0d04-0410-961f-82ee72b054a4

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

* c-c++-common/pr33763.c: New test.

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Fix SSE and YMM state support check logic for -march=native

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192045 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/54777
* semantics.c (cxx_eval_constant_expression) <case COMPOUND_EXPR>: If
not ignoring the second operand, pass the original second operand
and not one with stripped nops to cxx_eval_constant_expression.

* g++.dg/cpp0x/constexpr-ref4.C: New test.

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libgo: Update to Go 1.0.3.

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compiler: Fix a, b, c := b, a, 1 when a and b already exist.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192023 138bc75d-0d04-0410-961f-82ee72b054a4

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

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Daily bump.

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compiler: Fix a couple of type reflection strings.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192015 138bc75d-0d04-0410-961f-82ee72b054a4

compiler: Fix parse of (<- chan <- chan <- int)(x).

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192012 138bc75d-0d04-0410-961f-82ee72b054a4

Add a blank line in ChangeLog

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Document -mprefer-avx128

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

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Check SSE and YMM state support for -march=native

Backported from mainline

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.

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