re PR tree-optimization/46172 (ICE: in expand_widen_pattern_expr, at optabs.c:522 with -ftree-vectorize -fno-tree-dce)

2010-11-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46172
	* tree-vect-loop-manip.c (remove_dead_stmts_from_loop): New
	function.
	(slpeel_tree_peel_loop_to_edge): Call it.

	* gcc.dg/torture/pr46172.c: New testcase.

From-SVN: r166908

	PR middle-end-optimization/46297
	* postreload.c (reload_combine_note_store): Deal with embedded
	side effects in MEM expressions.

	* gfortran.dg/pr46297.f: New test.

From-SVN: r166905

2010-11-18  Richard Guenther  <rguenther@suse.de>

	PR lto/45089
	* dwarf2out.c (add_AT_die_ref): Work around LTO losing types
	when checking is not enabled.

From-SVN: r166904

2010-11-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR other/42670
	* testsuite/abi/demangle/regression/cw-13.cc: Updated.

From-SVN: r166903

2010-11-18  Richard Guenther  <rguenther@suse.de>

	PR lto/46525
	* gimple.c (gimple_register_type): Update TYPE_MAIN_VARIANT of
	type leaders.
	(gimple_register_canonical_type): Also cache the canoncial type
	for non type leaders.

From-SVN: r166902

2010-11-18  Richard Guenther  <rguenther@suse.de>

	* lto-wrapper.c (run_gcc): Fix -flto=N parsing.

From-SVN: r166901

2010-11-18  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/debug/formatter.h (__truth): Remove, unused.
	(__is_same): Remove, include cpp_type_traits.h instead.
	(_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
	_Is_iterator)): Adjust.
	* include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant):
	Likewise.

From-SVN: r166900

        PR middle-end/46518
        * sel-sched-ir.c (init_expr): Use the correct type for
        target_available.
        * sel-sched.c (fill_vec_av_set): Use explicitly signed char type.

From-SVN: r166898

2010-11-17  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>

	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Support -fpic
	as well as -mrelocatable at the same time.

From-SVN: r166897

	PR bootstrap/45538
	* configure.ac: Use AC_USE_SYSTEM_EXTENSIONS.  Remove switch of
	AC_LANG based on ENABLE_BUILD_WITH_CXX.

From-SVN: r166896

2010-11-18  Nicola Pero  <nicola.pero@meta-innovation.com>

        * ivars.c: Include stdlib.h.
        * protocols.c: Same change.

From-SVN: r166895

From-SVN: r166894

Fix PR target/46422.

2010-11-17  Quentin Neill  <quentin.neill.gnu@gmail.com>

	PR target/46422
	* config/i386/bmiintrin.h (__lzcnt_u16, __lzcnt_u32, __lzcnt_u64):
	Call the clz builtin.

From-SVN: r166889

2010-11-17  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/31490
	* gcc.dg/pr31490.c: New test.

From-SVN: r166888

2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
	    Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/31490
	* varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
	if section attribute used.

Co-Authored-By: Steve Ellcey <sje@cup.hp.com>

From-SVN: r166887

From-SVN: r166881

builtins.c (expand_builtin_mathfn_2, [...]): Do not expand errno setting variant when optimizing for size.

	* builtins.c (expand_builtin_mathfn_2, expand_builtin_mathfn): Do not
	expand errno setting variant when optimizing for size.

From-SVN: r166879

	* postreload.c (reload_combine): Call control_flow_insn_p only once.
	Reverse backward loop.  Fix formatting issues.

From-SVN: r166878

	* gcc.dg/nop.h: Move from ...
	* gcc.dg/guality/nop.h: ... here.
	* gcc.dg/lto/20091216-1_0.c: Include nop.h and use NOP macro.
	* gcc.dg/guality/asm-1.c: Update nop.h include.
	* gcc.dg/guality/pr43329-1.c: Ditto.

From-SVN: r166877

2010-11-17  Paolo Bonzini  <bonzini@gnu.org>

        * c-parser.c (c_token_is_qualifier,
        c_parser_next_token_is_qualifier): New.
        (c_parser_declaration_or_fndef, c_parser_struct_declaration):
        Improve error message on specs->tagdef_seen_p.
        (c_parser_struct_or_union_specifier): Improve error recovery.
        (c_parser_declspecs): Move exit condition on C_ID_ID early.
        Reorganize exit condition for C_ID_TYPENAME/C_ID_CLASSNAME
        using c_parser_next_token_is_qualifier; extend it to cover
        a ctsk_tagdef typespec and !typespec_ok in general.

testsuite:
2010-11-17  Paolo Bonzini  <bonzini@gnu.org>

        * gcc.dg/two-types-1.c: New test.
        * gcc.dg/two-types-2.c: New test.
        * gcc.dg/two-types-3.c: New test.
        * gcc.dg/two-types-4.c: New test.
        * gcc.dg/two-types-5.c: New test.
        * gcc.dg/two-types-6.c: New test.
        * gcc.dg/two-types-7.c: New test.
        * gcc.dg/two-types-8.c: New test.
        * gcc.dg/two-types-9.c: New test.
        * gcc.dg/two-types-10.c: New test.
        * objc.dg/two-types-1.m: New test.

From-SVN: r166874

2010-11-17  Richard Guenther  <rguenther@suse.de>

	* value-prof.c (gimple_divmod_fixed_value_transform): Update
	the stmt.
	(gimple_mod_pow2_value_transform): Likewise.
	(gimple_mod_subtract_transform): Likewise.

From-SVN: r166871

2010-11-17  Richard Guenther  <rguenther@suse.de>

	PR lto/46504
	* gimple.c (gimple_register_canonical_type): Make sure to only
	make type leaders canonical types.

From-SVN: r166870

	* timevar.def (TV_IPA_OPT, TV_EARLY_LOCAL, TV_OPTIMIZE,
	TV_POSTRELOAD, TV_REMOVE_UNUSED, TV_ADDRESS_TAKEN, TV_TODO,
	TV_VERIFY_LOOP_CLOSED, TV_VERIFY_RTL_SHARING,
	TV_REBUILD_FREQUENCIES, TV_REPAIR_LOOPS): New.
	* tree-into-ssa.c (rewrite_into_ssa): Don't push/pop timevar here ...
	(pass_build_ssa): ... but here.
	* cgraphbuild.c (pass_rebuild_cgraph): Use timevar.
	* tree-ssa-loop-manip.c (verify_loop_closed_ssa): Use timevar.
	* tree-emutls.c (pass_ipa_lower_emutls): Ditto.
	* df-core.c (pass_df_initialize_opt,
	pass_df_initialize_no_opt): Ditto.
	* predict.c (rebuild_frequencies): Ditto.
	* tree-vectorizer.c (pass_ipa_increase_alignment): Ditto.
	* emit-rtl.c (verify_rtl_sharing): Ditto.
	* tree-cfgcleanup.c (repair_loop_structures): Ditto.
	* tree-ssa-live.c (remove_unused_locals): Ditto.
	* cfglayout.c (pass_into_cfg_layout, pass_outof_cfg_layout): Ditto.
	* tree-ssa.c (pass_early_warn_uninitialized,
	execute_update_addresses_taken, pass_update_address_taken): Ditto.
	* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
	pass_cleanup_cfg_post_optimizing, tree_rest_of_compilation): Ditto.
	* passes.c (pass_postreload, execute_todo): Ditto.
	* tree-ssanames.c (pass_release_ssa_names): Ditto.

From-SVN: r166869

	* doc/invoke.texi (-dy): Remove.
	* langhooks-def.h (lhd_do_nothing_i): Don't declare.
	(LANG_HOOKS_PARSE_FILE): Define to lhd_do_nothing.
	* langhooks.c (lhd_do_nothing_i): Remove.
	* langhooks.h (lang_hooks.parse_file): Take no arguments.
	* toplev.c (set_yydebug): Remove.
	(compile_file): Update call to lang_hooks.parse_file.
	(decode_d_option): Don't handle -dy.

ada:
	* gcc-interface/misc.c (gnat_parse_file): Take no arguments.

c-family:
	* c-opts.c (c_common_parse_file): Take no arguments.
	* c-common.h (c_common_parse_file): Update prototype.

fortran:
	* f95-lang.c (gfc_be_parse_file): Take no arguments.

java:
	* jcf-parse.c (java_parse_file): Take no arguments.
	* java-tree.h (java_parse_file): Update prototype.

lto:
	* lto.c (lto_main): Take no arguments.
	* lto.h (lto_main): Update prototype.

From-SVN: r166868

re PR rtl-optimization/46440 (ICE: in rtl_verify_flow_info, at cfgrtl.c:2165 with -fstack-protector-all -fno-tree-dominator-opts -fno-tree-fre)

	PR rtl-optimization/46440
	* combine.c (update_cfg_for_uncondjump): When changing
	an indirect jump into unconditional jump, remove BARRIERs
	from bb's footer.

	* gcc.dg/pr46440.c: New test.

From-SVN: r166867

	* opts.c (target_handle_option): Do not assert that loc ==
	UNKNOWN_LOCATION.

From-SVN: r166866

	PR testsuite/45429
	* gcc.dg/vect/no-section-anchors-vect-64.c: New test.

From-SVN: r166865

	* gcc-interface/trans.c (addressable_p): Rewrite obsolete paragraph in
	head comment.

From-SVN: r166864

	PR middle-end/45838
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
	call_may_clobber_ref_p_1): Return true for __sync_* and some
	OpenMP builtins that act as threading barriers.

Co-Authored-By: Richard Guenther <rguenther@suse.de>

From-SVN: r166863

re PR tree-optimization/46498 (ICE: in eliminate_unnecessary_stmts, at tree-ssa-dce.c:1112 with -O -funsafe-math-optimizations -fno-tree-dominator-opts -fno-tree-reassoc)

2010-11-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46498
	* tree-ssa-dce.c (perform_tree_ssa_dce): Compute dominator info.

From-SVN: r166861

        PR tree-optimization/46312
        * gcc.dg/vect/vect-scal-opt2.c: Rename to...
        * gcc.dg/vect/vec-scal-opt2.c: ... this. Expect to pass only
        on targets that support vector shifts with scalar shift
        argument.
        Remove dg-options.
        * gcc.dg/vect/vect-scal-opt.c: Rename to...
        * gcc.dg/vect/vec-scal-opt.c: ... this, and change likewise.
        * gcc.dg/vect/vect-scal-opt1.c: Rename to...
        * gcc.dg/vect/vec-scal-opt1.c: ... this, and change likewise.
        * gcc.dg/vect/vect.exp: Run vec-scal-* tests with relevant
        flags.
        * gcc.dg/vect/vect-114.c: Expect to pass only on targets that
        support misaligned data accesses.
        * gcc.dg/vect/pr43432.c, gcc.dg/vect/vect-15.c: Likewise.
        * gcc.dg/vect/pr43430-2.c: Remove dg-options.
        * lib/target-supports.exp
        (check_effective_target_vect_shift_scalar): New.

From-SVN: r166860

	* gcc.dg/guality/nop.h: New file.
	* gcc.dg/guality/asm-1.c: Include it and use NOP macro instead of
	"nop".  Adjust line numbers in gdb-test.
	* gcc.dg/guality/pr43329-1.c: Likewise.

From-SVN: r166859

	* config/xtensa/xtensa.c (function_arg_boundary): Really rename to...
	(xtensa_function_arg_boundary): ...this.
	* config/picochip/pichochip.c (picochip_function_arg_boundary): Fix
	thinko in declaration.
	(picochip_function_arg, picochip_arg_partial_bytes): Pass proper
	number of parameters to picochip_function_arg_boundary.
	(picochip_arg_advance): Likewise.

From-SVN: r166853

	* call.c (convert_like_real): Don't make a temp for copy-list-init.
	(build_over_call): Don't handle that here.
	(build_new_method_call): Use COMPLETE_OR_OPEN_TYPE_P for error.

From-SVN: r166852

	PR c++/46497
	* call.c (build_over_call): Check for =delete even when trivial.

From-SVN: r166851

	DR 1004
	* decl.c (make_unbound_class_template): Handle using
	injected-type-name as template.

From-SVN: r166850

	PR target/46512
	* config/pa/pa.c (pa_function_arg_boundary): Move TYPE_SIZE accesses
	under check for type.

From-SVN: r166849

simple-object.h (simple_object_attributes_merge): Declare, replacing simple_object_attributes_compare.

include/:
	* simple-object.h (simple_object_attributes_merge): Declare,
	replacing simple_object_attributes_compare.
libiberty/:
	* simple-object.c (simple_object_attributes_merge): Rename from
	simple_object_attributes_compare.  Call merge field.
	* simple-object-common.h (struct simple_object_functions): Rename
	attributes_compare field to attribute_merge.
	* simple-object-elf.c (EM_SPARC): Define.
	(EM_SPARC32PLUS): Define.
	(simple_object_elf_attributes_merge): Renamed from
	simple_object_elf_attributes_compare.  Permit EM_SPARC and
	EM_SPARC32PLUS objects to be merged.
	(simple_object_elf_functions): Update function name.
	* simple-object-coff.c (simple_object_coff_attributes_merge):
	Rename from simple_object_coff_attributes_compare.
	(simple_object_coff_functions): Update function name.
	* simple-object-mach-o.c (simple_object_mach_o_attributes_merge):
	Renamed from simple_object_mach_o_attributes_compare.
	(simple_object_mach_o_functions): Update function name.
gcc/lto/:
	* lto-object.c (lto_obj_file_open): Call
	simple_object_attributes_merge rather than
	simple_object_attributes_compare.

From-SVN: r166848

In gcc/objc/:
2010-11-17  Nicola Pero  <nicola.pero@meta-innovation.com>

        * objc-act.c (lookup_method_in_protocol_list): Search methods in
        PROTOCOL_OPTIONAL_CLS_METHODS / PROTOCOL_OPTIONAL_NST_METHODS if
        they are not found in PROTOCOL_CLS_METHODS / PROTOCOL_NST_METHODS.

In gcc/testsuite/:
2010-11-17  Nicola Pero  <nicola.pero@meta-innovation.com>

        * objc.dg/protocol-optional-1.m: New.
        * obj-c++.dg/protocol-optional-1.mm: New.

From-SVN: r166847

From-SVN: r166844