* config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
	use it if reload_completed.
	(arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
	arm_output_asm_insn, arm_process_output_memory_barrier,
	arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
	arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
	arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
	arm_process_output_sync_insn, arm_output_sync_insn,
	arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
	(arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
	(arm_emit_load_exclusive, arm_emit_store_exclusive): New.
	(emit_unlikely_jump): New.
	(arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
	(arm_split_atomic_op): New.
	* config/arm/arm-protos.h: Update.
	* config/arm/arm.h (enum arm_sync_generator_tag): Remove.
	(struct arm_sync_generator): Remove.
	* config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
	VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
	(VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
	(VUNSPEC_LL, VUNSPEC_SC): New.
	(sync_result, sync_memory, sync_required_value, sync_new_value,
	sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
	(attr length): Don't use arm_sync_loop_insns.
	(cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
	(movsfcc, movdfcc): Likewise.
	* config/arm/constraints.md (Ua): New.
	* config/arm/prediates.md (mem_noofs_operand): New.
	(sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
	(sync_clobber, sync_t2_reqd): Remove.
	(sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
	(sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
	(sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
	(arm_sync_compare_and_swap<SIDI>): Remove.
	(arm_sync_compare_and_swap<NARROW>): Remove.
	(arm_sync_lock_test_and_set<SIDI>): Remove.
	(arm_sync_lock_test_and_set<NARROW>): Remove.
	(arm_sync_new_<syncop><SIDI>): Remove.
	(arm_sync_new_<syncop><NARROW>): Remove.
	(arm_sync_new_nand<SIDI>): Remove.
	(arm_sync_new_nand<NARROW>): Remove.
	(arm_sync_old_<syncop><SIDI>): Remove.
	(arm_sync_old_<syncop><NARROW>): Remove.
	(arm_sync_old_nand<SIDI>): Remove.
	(arm_sync_old_nand<NARROW>): Remove.
	(*memory_barrier): Merge arm_output_memory_barrier.
	(atomic_compare_and_swap<QHSD>): New.
	(atomic_compare_and_swap<NARROW>_1): New.
	(atomic_compare_and_swap<SIDI>_1): New.
	(atomic_exchange<QHSD>): New.
	(cas_cmp_operand, cas_cmp_str): New.
	(atomic_op_operand, atomic_op_str): New.
	(atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
	(atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
	(atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
	(arm_load_exclusive<NARROW>): New.
	(arm_load_exclusivesi, arm_load_exclusivedi): New.
	(arm_store_exclusive<QHSD>): New.

From-SVN: r183050

	* libitm_i.h (_Unwind_DeleteException): Declare weak.
	* eh_cpp.cc (_Unwind_DeleteException): Define for
	!HAVE_ELF_STYLE_WEAKREF.

From-SVN: r183049

From-SVN: r183048

From-SVN: r183047

2012-01-09  Kai Tietz  <ktietz@redhat.com>

	PR libstc++/51673 part 2
	* config/abi/pre/gnu-versioned-namespace.ver: Adjusted new/delete
	operators signature for LLP64 size_t, and adjusted signatures for
	mt-allocator using size_t.

2012-01-09  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstc++/51673 part 1
	* config/abi/pre/gnu-versioned-namespace.ver: Sync cxxabi symbols
	with gnu.ver.

From-SVN: r183043

2012-01-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/46328
        * gfortran.dg/typebound_operator_11.f90: New.

From-SVN: r183039

re PR debug/51471 (gcc.c-torture/execute/20040811-1.c and gcc.c-torture/execute/vla-dealloc-1.c  fails at -O3 -g on mips64-linux-gnu)

2012-01-09  Tom de Vries  <tom@codesourcery.com>
	    Andrew Pinski  <apinski@cavium.com>

	PR debug/51471
	* reorg.c (fill_slots_from_thread): Don't speculate frame-related insns.

Co-Authored-By: Andrew Pinski <apinski@cavium.com>

From-SVN: r183038

2012-01-09  Benjamin Kosnik  <bkoz@redhat.com>

	* fragment.am (WARN_CXXFLAGS): Add -Wabi.
	* Makefile.in: Regenerate.
	* doc/Makefile.in: Same.
	* include/Makefile.in: Same.
	* libsupc++/Makefile.in: Same.
	* src/Makefile.in: Same.
	* testsuite/Makefile.in: Same.
	* po/Makefile.in: Same.
	* python/Makefile.in: Same.

From-SVN: r183034

trans.c (call_to_gnu): Create the temporary for the return value in the variable-sized return type...

	* gcc-interface/trans.c (call_to_gnu): Create the temporary for the
	return value in the variable-sized return type case if the target is
	an array with fixed size.  However, do not create it if this is the
	expression of an object declaration.

From-SVN: r183033

re PR fortran/51791 ([OOP] Failure to resolve typebound function call with base object in parentheses.)

2012-01-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/51791
	* interface.c (matching_typebound_op): Drill down through
	possible parentheses to obtain base expression. Do not test for
	'class_ok' but, instead for the class structure components.
	* resolve.c (resolve_ordinary_assign): Extend error message for
	polymorphic assignment to advise checking for specific
	subroutine.

	PR fortran/51792
	* resolve.c (resolve_typebound_function): Restore 'static' to
	declaration.

2012-01-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/51791
	* gfortran.dg/typebound_operator_7.f03: Insert parentheses
	around base object in first assignment in main program.
	* gfortran.dg/typebound_operator_10.f03: New test.

From-SVN: r183032

2012-01-09  Harald Anlauf  <anlauf@gmx.de>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/51197
        * runtime/backtrace.c (show_backtrace): Modify wording written
        before the backtrace.
        * runtime/compile_options.c (show_signal): New function.
        (backtrace_handler): Use it.


Co-Authored-By: Tobias Burnus <burnus@net-b.de>

From-SVN: r183030

2012-01-09  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/51759
	* g++.dg/ipa/pr51759.C: New test.

From-SVN: r183029

gcc/
	* sched-int.h (bb_note): Move to...
	* basic-block.h: ...here.
	* haifa-sched.c (bb_note): Move to...
	* cfgrtl.c: ...here.
	* function.c (next_block_for_reg): New function.
	(move_insn_for_shrink_wrap): Likewise.
	(prepare_shrink_wrap): Rewrite to use the above.

From-SVN: r183028

From-SVN: r183025

2012-01-09  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/51758
	* trans-array.c (gfc_walk_elemental_function_args):
	Skip over NULL() actual arguments.

2012-01-09  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51758
	* gfortran.dg/optional_absent_2.f90: New.

From-SVN: r183024

sol2-unwind.h (sparc64_is_sighandler): Check that the purported sigacthandler address isn't null before dereferencing it.

	* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Check that the
	purported sigacthandler address isn't null before dereferencing it.
	(sparc_is_sighandler): Likewise.

From-SVN: r183020

2012-01-09  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi: Bump copyright year.
        (Fortran 2003 Status): Update polymorphism item, add
        item for generic interface with DT name.

From-SVN: r183018

	* configure.ac (i?86-*-*): Set TARGET to X86_64.
	* configure: Regenerate.

From-SVN: r183017

	* Makefile.am (libgfortran_la_LDFLAGS): Add -Wc,-shared-libgcc.
	* Makefile.in: Regenerate.

From-SVN: r183016

        * gimple.c (is_gimple_non_addressable): Remove.
        * gimple.h: Remove is_gimple_non_addressable.
        * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
        is_gimple_non_addressable.
        * trans-mem.c (expand_assign_tm): Same.

From-SVN: r183015

2012-01-09  Richard Guenther  <rguenther@suse.de>

	* macro.c (_cpp_builtin_macro_text): Remove unused variable map.

From-SVN: r183013

2012-01-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51775
	* tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
	* tree-ssa-pre.c (eliminate): Properly fixup EH info.

From-SVN: r183012

	* gcc/config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
	tuning parameters.
	* gcc/config/arm/arm.c (arm_cortex_a15_tune): New static variable.

From-SVN: r183011

2012-01-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51578
        * gfortran.h (gfc_use_list):
        * match.h (gfc_use_module): Rename to ...
        (gfc_use_modules): ... this.
        * module.c (use_locus, specified_nonint, specified_int): Remove
        global variable.
        (module_name): Change type to const char*, used with gfc_get_string.
        (module_list): New global variable.
        (free_rename): Free argument not global var.
        (gfc_match_use): Save match to module_list.
        (load_generic_interfaces, read_module): Don't free symtree.
        (write_dt_extensions, gfc_dump_module): Fix module-name I/O due to the
        type change of module_name.
        (write_symbol0, write_generic): Optimize due to the type change.
        (import_iso_c_binding_module, use_iso_fortran_env_module): Use
        locus of rename->where.
        (gfc_use_module): Take module_list as argument.
        (gfc_use_modules): New function.
        (gfc_module_init_2, gfc_module_done_2): Init module_list, rename_list.
        * parse.c (last_was_use_stmt): New global variable.
        (use_modules): New function.
        (decode_specification_statement, decode_statement): Move USE match up
        and call use_modules.
        (next_free, next_fixed): Call use_modules.
        (accept_statement): Don't call gfc_module_use.

2012-01-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51578
        * gfortran.dg/use_17.f90: New.

From-SVN: r183010

From-SVN: r183008

        Rotate changelogs.

From-SVN: r183007

	PR ada/41929
	* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Remove SAVPC and
	add CFA.  Revert back to old code for Solaris 8+ multi-threaded.
	(sparc_is_sighandler): Likewise.
	(MD_FALLBACK_FRAME_STATE_FOR): Adjust call to IS_SIGHANDLER.

From-SVN: r183005

re PR preprocessor/33919 (__BASE_FILE__ does not expand correctly when included from the command line)

libcpp/
	PR preprocessor/33919
	* files.c (_cpp_get_file_name): New. Implement file name
	access function.
	* internal.h (_cpp_get_file_name): New prototype.
	* macro.c (_cpp_builtin_macro_text): Call _cpp_get_file_name()
	to use pfile->main_file in lieu of traversing INCLUDED_FROM chain.

gcc/testsuite/
	PR preprocessor/33919
	* gcc.dg/pr33919.c: New test.
	* gcc.dg/pr33919-0.h: New test header file.
	* gcc.dg/pr33919-1.h: Ditto.
	* gcc.dg/pr33919-2.h: Ditto.

From-SVN: r183003

2012-01-09  Richard Guenther  <rguenther@suse.de>

	* tree-streamer-out.c (write_ts_optimization): Fix spelling.

From-SVN: r183002

From-SVN: r182999

	PR tree-optimize/51680
	* ipa-inline-analyss.c (evaluate_properties_for_edge): Fix conditoin on when
	known_vals needs to be computed; cleanup.

From-SVN: r182995

From-SVN: r182994

	PR tree-optimize/51694
	* ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.

From-SVN: r182993

	libitm/
	* local.cc (GTM_LB): Use GTM::gtm_undolog.
	(GTM::gtm_thread::drop_references_undolog): Remove.
	(GTM::gtm_thread::commit_undolog,
	GTM::gtm_thread::rollback_undolog): Move to ...
	* libitm_i.h (GTM::gtm_undolog): ...here. New.
	(GTM::gtm_undolog_entry): Remove.
	(GTM::gtm_thread): Adapt.
	* beginend.cc (GTM::gtm_thread::rollback): Adapt.
	(GTM::gtm_thread::trycommit): Adapt.
	* method-serial.cc (serial_dispatch::log): Adapt.
	* method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
	(gl_wt_dispatch::store): Fix likely/unlikely.
	* containers.h (GTM::vector::resize): Add additional_capacity
	parameter and handle it.
	(GTM::vector::resize_noinline): New/adapt.
	(GTM::vector::push): New.

From-SVN: r182992

2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
	for -std=c++98 and -std=c++11 too.

From-SVN: r182991

2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>

	* cfgloop.c (cancel_loop): Add free() of bbs array.

From-SVN: r182990

	* python/libstdcxx/v6/printers.py (StdForwardListPrinter): Add.
	* testsuite/libstdc++-prettyprinters/cxx11.cc: New.

From-SVN: r182989

From-SVN: r182988

	PR tree-optimization/51600
	* ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
	that benefits small functions.

From-SVN: r182984

	PR tree-optimization/51680
	* ipa-inline.c (want_inline_small_function_p): Be more lax on functions
	whose inlining reduce unit size.

From-SVN: r182983