From-SVN: r183103

	* tree.h (build_function_decl_skip_args): Add boolean parameter.
	(build_function_type_skip_args): Delete.
	* tree.c (build_function_type_skip_args): Make static and add
	SKIP_RETURN parameter.  Fix thinko in the handling of variants.
	(build_function_decl_skip_args): Add SKIP_RETURN parameter and
	pass it to build_function_type_skip_args.
	* cgraph.h (cgraph_function_versioning): Add boolean parameter.
	(tree_function_versioning): Likewise.
	* cgraph.c (cgraph_create_virtual_clone): Adjust call to
	build_function_decl_skip_args.
	* cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
	and pass it to build_function_decl_skip_args/tree_function_versioning.
	(cgraph_materialize_clone): Adjust call to tree_function_versioning.
	* ipa-inline-transform.c (save_inline_function_body): Likewise.
	* trans-mem.c (ipa_tm_create_version): Likewise.
	* tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
	* tree-inline.c (declare_return_variable): Remove always-true test.
	(tree_function_versioning): Add SKIP_RETURN parameter.  If the function
	returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
	* ipa-split.c (split_function): Skip the return value for the split
	part if it doesn't return.

From-SVN: r183102

re PR tree-optimization/49642 (constant part of a macro not optimized away as expected due to splitter)

gcc:

2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/49642
	* ipa-split.c (forbidden_dominators): New variable.
	(check_forbidden_calls): New function.
	(dominated_by_forbidden): Likewise.
	(consider_split): Check for forbidden dominators.
	(execute_split_functions): Initialize and free forbidden
	dominators info; call check_forbidden_calls.

gcc/testsuite:

2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/49642
	* gcc.dg/tree-ssa/pr49642-1.c: New test.
	* gcc.dg/tree-ssa/pr49642-2.c: New test.

From-SVN: r183101

From-SVN: r183100

	PR c++/51613
	* pt.c (resolve_overloaded_unification): Compare types with
	same_type_p, not decls_match.

From-SVN: r183099

From-SVN: r183098

From-SVN: r183097

re PR rtl-optimization/57105 (ICE: in add_insn_before_nobb, at emit-rtl.c:3883 with -Os -fselective-scheduling2 -g)

2012-01-11  Bruce Korb <bkorb@gnu.org>
	    Steven G. Kargl  <kargl@gcc.gnu.org>
	    Andreas Tobler  <andreast@fgznet.ch>

	PR bootstrap/57105
	PR preprocessor/51776
	* inclhack.def (cdef_cplusplus): Add a replacement for [[noreturn]].
	* fixincl.x: Regenerate.
	* tests/base/sys/cdefs.h: Update.

	* genfixes: Remove the 'Ver.' from the version check.


Co-Authored-By: Andreas Tobler <andreast@fgznet.ch>
Co-Authored-By: Steven G. Kargl <kargl@gcc.gnu.org>

From-SVN: r183096

	* gcc/config/arm/arm.md (mov_notscc): Use MVN for false condition.
	* gcc/testsuite/gcc.c-torture/execute/20120110-1.c: New testcase.

From-SVN: r183095

2012-01-11  Tobias Burnus  <burnus@net-b.de>

        * runtime/main.c (store_exe_path): Fix absolute path
        detection for Windows.

From-SVN: r183094

From-SVN: r183093

2012-01-11  Richard Guenther  <rguenther@suse.de>

	* doc/extend.texi (malloc attribute): Adjust according to
	implementation.

From-SVN: r183092

2012-01-11  Janne Blomqvist  <jb@gcc.gnu.org>
            Mike Stump  <mikestump@comcast.net>
	PR libfortran/51803
	* runtime/main.c (store_exe_path): Handle getcwd failure and lack
	of the function better.

Co-Authored-By: Mike Stump <mikestump@comcast.net>

From-SVN: r183090

	* go-gcc.cc (Gcc_backend::type_size): New function.
	(Gcc_backend::type_alignment): New function.
	(Gcc_backend::type_field_alignment): New function.
	(Gcc_backend::type_field_offset): New function.
	* go-backend.c (go_type_alignment): Remove.
	* go-c.h (go_type_alignment): Don't declare.

From-SVN: r183089

	PR c++/51614
	* class.c (build_base_path): Diagnose ambiguous base.

From-SVN: r183088

From-SVN: r183087

From-SVN: r183085

	* cp-demangle.c (d_print_comp) [DEMANGLE_COMPONENT_OPERATOR]:
	Omit a trailing space in the operator name.

From-SVN: r183072

        PR middle-end/51516
        * trans-mem.c (get_cg_data): Traverse aliases if requested.
        (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
        (ipa_tm_note_irrevocable): Same.
        (ipa_tm_scan_irr_block): Same.
        (ipa_tm_decrement_clone_counts): Same.
        (ipa_tm_scan_irr_function): Same.
        (ipa_tm_create_version_alias): Same.
        (ipa_tm_create_version): Same.
        (ipa_tm_transform_calls_redirect): Same.
        (ipa_tm_transform_calls): Same.
        (ipa_tm_transform_transaction): Same.
        (ipa_tm_execute): Same.


Co-Authored-By: Patrick Marlier <patrick.marlier@gmail.com>

From-SVN: r183070

2012-01-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51806
	c-family/
	* c-opts.c (c_common_handle_option): Move -Werror handling
	to language independent code.

	* opts.c (common_handle_option): Handle -Werror.

From-SVN: r183069

* config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
operand number.

From-SVN: r183067

	* doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
	information.

From-SVN: r183066

	PR c++/51433
	* semantics.c (cxx_eval_call_expression): Always retry previously
	non-constant expressions.

From-SVN: r183065

2012-01-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51801
	* gcc.dg/torture/pr51801.c: New testcase.

From-SVN: r183064

	* configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
	supports R_386_TLS_GD_PLT reloc.
	(gcc_cv_as_ix86_tlsldmplt): Check if linker
	supports R_386_TLS_LDM_PLT reloc.
	* configure: Regenerate.
	* config.in: Regenerate.

From-SVN: r183063

2012-01-10  Gerald Pfeifer  <gerald@pfeifer.com>

        * gfortran.texi (Fortran 2003 Status): Fix grammar.

From-SVN: r183062

re PR fortran/51652 (Allocate with type-spec and source-expr: check whether length type-parameter is the same is lacking)

2012-01-10  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51652
        * resolve.c (resolve_allocate_expr): For non-deferred char
        lengths, check whether type-spec matches declaration.

2012-01-10  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51652
        * gfortran.dg/allocate_with_typespec_5.f90: New.

From-SVN: r183061

2012-01-10  Pascal Obry  <obry@adacore.com>

	* prj-nmsc.adb (Check_Library_Attributes): Kill check for object/source
	directories for aggregate libraries.

2012-01-10  Matthew Heaney  <heaney@adacore.com>

	* a-cdlili.adb, a-cdlili.ads, a-cihama.adb, a-cihama.ads, a-coinve.adb,
	a-coinve.ads, a-ciorse.adb, a-ciorse.ads, a-coorma.adb, a-coorma.ads,
	a-cborma.adb, a-cborma.ads, a-cidlli.adb, a-cidlli.ads, a-cimutr.adb,
	a-cimutr.ads, a-cihase.adb, a-cihase.ads, a-cohama.adb, a-cohama.ads,
	a-coorse.adb, a-coorse.ads, a-cbhama.adb, a-cbhama.ads, a-cborse.adb,
	a-cborse.ads, a-comutr.adb, a-comutr.ads, a-ciorma.adb, a-cobove.adb,
	a-ciorma.ads, a-cobove.ads, a-convec.adb, a-convec.ads, a-cohase.adb,
	a-cohase.ads, a-cbdlli.adb, a-cbdlli.ads, a-cbmutr.adb, a-cbmutr.ads,
	a-cbhase.adb, a-cbhase.ads (Reference, Constant_Reference): Declare
	container parameter as aliased in/in out.
	Code clean ups.

2012-01-10  Bob Duff  <duff@adacore.com>

	* s-os_lib.ads: Improve comment.

2012-01-10  Geert Bosch  <bosch@adacore.com>

	* s-gearop.adb (Forward_Eliminate): Avoid improper aliasing
	for complex Scalar.

From-SVN: r183060

2012-01-10  Bob Duff  <duff@adacore.com>

	* sem_intr.adb (Check_Shift): Use RM_Size instead of Esize, when
	checking that the 'Size is correct. If the type is "mod 2**12",
	for example, it's illegal, but Esize is the 'Object_Size, which
	will be something like 16 or 32, so the error ('Size = 12) was
	not detected.
	* gnat_rm.texi: Improve documentation of shift
	and rotate intrinsics.

2012-01-10  Pascal Obry  <obry@adacore.com>

	* prj.adb (For_Every_Project_Imported): Fix
	implementation to make sure we return each project only once
	for aggragte libraries. It is fine to return a project twice for
	aggregate projects, this was the case as a Project_Id is different
	in each project tree. The new implementation use a table based on
	the project name to ensure proper detection of duplicate project
	in aggregate library. A new context is then created to continue
	retrurning duplicate project for aggregate libraries.

From-SVN: r183059

libgcc/
	PR target/49868
	Extend __pgmx semantics to linearize memory.
	* config/avr/t-avr (LIB1ASMFUNCS): Add _xload_1, _movmemx.
	* config/avr/lib1funcs.S (__xload_1): New function.
	(__movmemx_qi, __movmemx_hi): New functions.
	(__xload_2, __xload_3, __xload_4): Rewrite to fit new __pgmx
	semantics.

gcc/
	PR target/49868
	Extend __pgmx semantics to linearize memory.
	* config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
	determine if code comes inline or from libgcc.
	(MOVMEM_r_d:HI): Add "w" to constraint for better preference.
	(movmem_qi, movmem_qi): Set constraint #2 to "n".
	(movmem_qi_elpm, movmem_hi_elpm): Remove insns.
	(movmemx_qi, movmemx_hi): New insns.
	(xload_<mode>_libgcc): Rewrite to new insn condition.
	(xload_<mode>): Remove insns.
	* config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
	cases that don't satisfy avr_xload_libgcc_p().
	(avr_addr_space_convert): Allow converting in any direction.
	(avr_addr_space_subset_p): Return always true.
	(avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
	(avr_emit_movmemhi): Ditto.
	(avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
	(avr_out_movmem): Ditto.
	(AVR_SYMBOL_FLAG_PROGMEM): New macro.
	(AVR_SYMBOL_SET_ADDR_SPACE): New macro.
	(AVR_SYMBOL_GET_ADDR_SPACE): New macro.
	(avr_encode_section_info): Encode 'progmem' in symbol flags.
	(output_reload_in_const): Don't zero-extend any 24-bit symbols.

From-SVN: r183058

2012-01-10  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51197
        * runtime/compile_options.c (show_signal): List
        more signals.

From-SVN: r183057

2012-01-10  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_ordinary_assign): Improve error wording.

2012-01-10  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/class_39.f03: Update dg-error string.

From-SVN: r183056

re PR tree-optimization/50913 (ICE in scan_tree_for_params_right_scev, at graphite-sese-to-poly.c:633 compiling libgfortran with -floop-interchange -m32)

2012-01-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50913
	* graphite-scop-detection.c (stmt_has_simple_data_refs_p):
	Require data-refs to be representable by Graphite with respect
	to any loop nest.

	* gcc.dg/graphite/interchange-16.c: New testcase.
	* gcc.dg/graphite/scop-20.c: XFAIL.
	* gfortran.dg/graphite/interchange-1.f: Likewise.
	* gfortran.dg/graphite/block-1.f90: Likewise.
	* gfortran.dg/graphite/block-2.f: Likewise.

From-SVN: r183055

	* config/i386/constraints.md ("L"): Return true for 0xffffffff.
	* config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.

From-SVN: r183054

From-SVN: r183053

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

	PR rtl-optimization/51271
	* dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
	handling annulled branch.

From-SVN: r183052

	* config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
	TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
	struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
	arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
	arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
	arm_expand_vec_perm_const): New.
	* config/arm/arm-protos.h: Update.
	* config/arm/neon.md (UNSPEC_VCONCAT): New.
	(*neon_vswp<VDQX>): New.
	(neon_vcombine<VDX>): Use neon_split_vcombine.
	(neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
	* config/arm/vec-common.md (vec_perm_const<VALL>): New.
	(vec_perm<VE>): New.

testsuite/
	* lib/target-supports.exp (check_effective_target_vect_perm,
	check_effective_target_vect_perm_byte,
	check_effective_target_vect_perm_short): Enable for arm neon.

From-SVN: r183051

	* 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