2011-07-21  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/mutex (timed_mutex, recursive_timed_mutex): Update
	to use steady_clock instead of monotonic_clock.
	* config/abi/pre/gnu.ver: Export steady_clock::now.

From-SVN: r176560

gcc/
	* regcprop.c (maybe_mode_change): Check HARD_REGNO_MODE_OK.

From-SVN: r176558

2011-07-21  Kai Tietz  <ktietz@redhat.com>

	* tree-ssa-propagate.c (substitute_and_fold): Use
	do_dce flag to deside, if BB's statements are scanned
	in last to first, or first to last order.

From-SVN: r176556

From-SVN: r176554

	
	* gcc.dg/pr32912-2.c: Skip for AVR.
	* gcc.dg/pr44674.c: Add dg-require-profiling.

From-SVN: r176553

2011-07-20  Benjamin Kosnik  <bkoz@redhat.com>
	    Daniel Krugler  <daniel.kruegler@googlemail.com>

	* include/std/array (array::at, array::operator[]): Mark constexpr.
	* testsuite/23_containers/array/requirements/
	constexpr_element_access.cc: Add.


Co-Authored-By: Daniel Krugler <daniel.kruegler@googlemail.com>

From-SVN: r176550

2011-07-20  Benjamin Kosnik  <bkoz@redhat.com>
	    Daniel Krugler  <daniel.kruegler@googlemail.com>

	* include/std/chrono: (system_clock::is_steady): Update to N3291
	from is_monotonic.
	(time_point): Add constexpr to nonmember arithmetic operators.
	* src/chrono.cc: Modify for above.
	* src/compatibility-c++0x.cc: Same.
	* testsuite/20_util/time_point/nonmember/constexpr.cc: New.
	* testsuite/20_util/time_point/1.cc: Modify.
	* testsuite/20_util/system_clock/constexpr_data.cc: Modify.
	* testsuite/20_util/system_clock/1.cc: Modify.
	* testsuite/20_util/monotonic_clock/constexpr_data.cc: Move to...
	* testsuite/20_util/steady_clock/constexpr_data.cc: ...here.
	* testsuite/30_threads/condition_variable/members/2.cc: Modify.
	* testsuite/30_threads/condition_variable_any/members/2.cc: Modify.

From-SVN: r176549

From-SVN: r176548

2011-07-20  H.J. Lu  <hongjiu.lu@intel.com>
	    Uros Bizjak  <ubizjak@gmail.com>
	    Richard Henderson  <rth@redhat.com>

	* config/i386/constraints.md (w): New.

	* config/i386/i386.c (ix86_output_addr_vec_elt): Check
	TARGET_LP64 instead of TARGET_64BIT for ASM_QUAD.

	* config/i386/i386.h (CASE_VECTOR_MODE): Check TARGET_LP64
	instead of TARGET_64BIT.

	* config/i386/i386.md (indirect_jump): Replace
	nonimmediate_operand with indirect_branch_operand.
	(*indirect_jump): Likewise.  Replace constraint "m" with "w".
	(tablejump): Replace nonimmediate_operand with
	indirect_branch_operand.  Convert operand 0 to Pmode for x32 if
	not PIC.
	(*tablejump_1): Replace nonimmediate_operand with
	indirect_branch_operand.  Replace constraint "m" with "w".
	(*call_vzeroupper): Replace constraint "m" with "w".
	(*call): Likewise.
	(*call_rex64_ms_sysv_vzeroupper): Likewise.
	(*call_rex64_ms_sysv): Likewise.
	(*call_value_vzeroupper): Likewise.
	(*call_value): Likewise.
	(*call_value_rex64_ms_sysv_vzeroupper): Likewise.
	(*call_value_rex64_ms_sysv): Likewise.
	(set_got_offset_rex64): Check TARGET_LP64 instead of
	TARGET_64BIT.

	* config/i386/predicates.md (indirect_branch_operand): New.
	(call_insn_operand): Support x32.

Co-Authored-By: Richard Henderson <rth@redhat.com>
Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>

From-SVN: r176539

From-SVN: r176538

From-SVN: r176537

	* config/i386/i386.c (ix86_decompose_address): Allow only subregs
	of DImode hard registers in index.
	(ix86_legitimate_address_p): Allow subregs of base and index to span
	more than a word.  Assert that subregs of base and index satisfy
	register_no_elim_operand predicates.  Reject addresses where
	base and index have different modes.

From-SVN: r176536

gcc/
2011-07-20  Robert Millan  <rmh@gnu.org>

	* config.gcc (mips*-*-linux*): Remove redundant tm_file entry.

From-SVN: r176535

	* bb-reorder.c (fix_crossing_conditional_branches): Fix crash by
	removing now-unnecessary assignment.

From-SVN: r176533

	* parser.c (cp_parser_initializer_list): Handle C99 .id= and [N]=
	designated initializer syntax.
	* decl.c (check_array_designated_initializer): Add index parm.
	(maybe_deduce_size_from_array_init): Pass it.
	(reshape_init_array_1): Likewise.

From-SVN: r176530

2011-07-20  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/system_error: Use noexcept.
	* src/system_error.cc: Likewise.
	* testsuite/19_diagnostics/error_condition/modifiers/39881.cc: Adjust.
	* testsuite/19_diagnostics/error_condition/cons/39881.cc: Likewise.
	* testsuite/19_diagnostics/error_code/modifiers/39882.cc: Likewise.
	* testsuite/19_diagnostics/error_code/cons/39882.cc: Likewise.
	* testsuite/util/testsuite_error.h: Likewise.

	* include/std/system_error (error_code::error_code(_ErrorCodeEnum)):
	Use enable_if on template parameter default.
	(error_condition::error_condition(_ErrorConditionEnum)): Likewise.

From-SVN: r176529

emit-rtl.c (set_mem_attributes_minus_bitpos): Restore setting memory address space to the type's address space.

	* emit-rtl.c (set_mem_attributes_minus_bitpos): Restore setting
	memory address space to the type's address space.

From-SVN: r176528

	PR target/36467
	PR target/49687
	* config/avr/avr.md (mulhi3): Use register_or_s9_operand for
	operand2 and expand appropriately if there is a CONST_INT in
	operand2.
	(usmulqihi3): New insn.
	(*sumulqihi3): New insn.
	(*osmulqihi3): New insn.
	(*oumulqihi3): New insn.
	(*muluqihi3.uconst): New insn_and_split.
	(*muluqihi3.sconst): New insn_and_split.
	(*mulsqihi3.sconst): New insn_and_split.
	(*mulsqihi3.uconst): New insn_and_split.
	(*mulsqihi3.oconst): New insn_and_split.
	(*ashifthi3.signx.const): New insn_and_split.
	(*ashifthi3.signx.const7): New insn_and_split.
	(*ashifthi3.zerox.const): New insn_and_split.
	(mulsqihi3): New insn.
	(muluqihi3): New insn.
	(muloqihi3): New insn.
	* config/avr/predicates.md (const_2_to_7_operand): New.
	(const_2_to_6_operand): New.
	(u8_operand): New.
	(s8_operand): New.
	(o8_operand): New.
	(s9_operand): New.
	(register_or_s9_operand): New.

From-SVN: r176527

2011-07-20  Kai Tietz  <ktietz@redhat.com>

        * builtins.c (fold_builtin_expect): See through the cast
        from truthvalue_type_node to long.

From-SVN: r176526

From-SVN: r176522

	* Makefile.tpl (POSTSTAGE1_CONFIGURE_FLAGS): Add libsupc++ to
	link directories.
	* Makefile.in: Rebuild.

From-SVN: r176521

2011-07-20  Ed Smith-Rowland  <3dw4rd@verizon.net>

	* include/precompiled/stdc++.h: Add scoped_allocator.

From-SVN: r176520

2011-07-20  Benjamin Kosnik  <bkoz@redhat.com>

	* include/std/bitset (operator[]): Make constexpr.
	* testsuite/23_containers/bitset/operations/constexpr.cc: New.

From-SVN: r176519

genrecog.c (make_insn_sequence): Correct position numbering when filtering out match_scratch and match_dup.

2011-07-20  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* genrecog.c (make_insn_sequence): Correct position numbering
	when filtering out match_scratch and match_dup.

From-SVN: r176518

2011-07-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (remove_prop_source_from_use): Robustify
	against already removed statements.
	(forward_propagate_into_comparison): Remove dead defining stmts.
	(forward_propagate_into_gimple_cond): Likewise.
	(forward_propagate_into_cond): Simplify.
	(ssa_forward_propagate_and_combine): Handle changed cfg from
	forward_propagate_into_comparison.
	* tree-ssa-phiopt.c (conditional_replacement): Use proper
	locations for newly built statements.

From-SVN: r176517

From-SVN: r176516

From-SVN: r176514

	PR c++/6709 (DR 743)
	PR c++/42603 (DR 950)
gcc/cp/
	* parser.c (token_is_decltype, cp_lexer_next_token_is_decltype): New.
	(cp_parser_nested_name_specifier_opt): Allow decltype.
	(cp_parser_qualifying_entity): Likewise.
	(cp_parser_decltype): Replace source tokens with CPP_DECLTYPE.
	(cp_parser_simple_type_specifier): Handle decltype as scope.
	(cp_parser_base_specifier): Allow decltype.
	(cp_parser_base_clause): Don't crash on null base.
	* parser.h (CPP_KEYWORD, CPP_TEMPLATE_ID): Move to c-common.h.
	(CPP_NESTED_NAME_SPECIFIER, N_CP_TTYPES): Likewise.
gcc/c-family/
	* c-common.h (CPP_KEYWORD, CPP_TEMPLATE_ID): Move from cp/parser.h.
	(CPP_NESTED_NAME_SPECIFIER, N_CP_TTYPES): Likewise.
	(CPP_DECLTYPE): New.
	* c-common.c (c_parse_error): Handle CPP_DECLTYPE.

From-SVN: r176513

	PR bootstrap/49787
	* configure.ac: Move --enable-bootstrap handling earlier in file.
	If --enable-bootstrap and either --enable-build-with-cxx or
	--enable-build-poststage1-with-cxx, enable C++ automatically.
	* configure: Rebuild.

From-SVN: r176512

2011-07-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_class_max_nregs): Fix return type.
	* config/s390/s390-protos.h (s390_class_max_nregs): Likewise.

From-SVN: r176511

2011-07-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/18908
	* tree.c (integer_all_onesp): Use TYPE_PRECISION, not mode precision.
	* tree-ssa-forwprop.c (simplify_bitwise_binary): Remove bogus
	ADDR_EXPR folding.  Canonicalize X ^ ~0 as ~X.

	* gcc.dg/tree-ssa/pr18908.c: New testcase.
	* gcc.dg/tree-ssa/bitwise-sink.c: Adjust.

From-SVN: r176510

2011-07-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/18908
	* tree.c (integer_all_onesp): Use TYPE_PRECISION, not mode precision.
	* tree-ssa-forwprop.c (simplify_bitwise_binary): Remove bogus
	ADDR_EXPR folding.  Canonicalize X ^ ~0 as ~X.

	* gcc.dg/tree-ssa/pr18908.c: New testcase.
	* gcc.dg/tree-ssa/bitwise-sink.c: Adjust.

From-SVN: r176508

2011-07-20  Vladimir Makarov  <vmakarov@redhat.com>

	* config/frv/frv.c (frv_register_move_cost): Define explicitly
	costs for subclasses of GR_REGS.

From-SVN: r176507

	PR target/49780
	* config/i386/predicates.md (no_seg_addres_operand): No more special.
	* config/i386/i386.c (ix86_decompose_address): Allow only subregs
	of DImode hard registers in base.
	(ix86_legitimate_address_p): Allow SImode and DImode base and index
	registers.

From-SVN: r176506

2011-07-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (new_var_info): Allocate oldsolution
	lazily.
	(unify_nodes): Deal with that.
	(solve_graph): Likewise.

From-SVN: r176505

safe_local_iterator.h (_Safe_local_iterator<>:: _Safe_local_iterator(const _Iterator&, size_type, const _Sequence*)): Fix typo.

2011-07-20  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/debug/safe_local_iterator.h (_Safe_local_iterator<>::
	_Safe_local_iterator(const _Iterator&, size_type, const _Sequence*)):
	Fix typo.

From-SVN: r176500

2011-07-20  Chung-Lin Tang  <cltang@codesourcery.com>

	* config/arm/arm.c (arm_canonicalize_comparison): Add case to
	canonicalize left operand from ZERO_EXTEND to AND.

	testsuite/
	* gcc.target/arm/combine-movs.c: New.
	* gcc.target/arm/unsigned-extend-2.c: New.

From-SVN: r176495

From-SVN: r176494

	* target.def (class_max_nregs): New hook.
	* doc/tm.texi.in (TARGET_CLASS_MAX_NREGS): Document.
	* doc/tm.texi: Regenerate.
	* targhooks.c (default_class_max_nregs): New function.
	* targhooks.h (default_class_max_nregs): Declare.
	* ira.h (target_ira): Change type x_ira_reg_class_max_nregs and
	x_ira_reg_class_min_nregs arrays to unsigned char.
	* ira.c (setup_reg_class_nregs): Use TARGET_CLASS_MAX_NREGS target
	hook instead of CLASS_MAX_NREGS macro.
	* reginfo.c (restore_register_info): Ditto.
	* ira-conflicts.c (process_regs_for_copy): Use
	ira_reg_class_max_nregs array instead of CLASS_MAX_NREGS macro.
	Change type rclass and aclass vars to reg_class_t.
	* ira-costs.c (record_reg_classes): Use ira_reg_class_max_nregs
	array instead of CLASS_MAX_NREGS macro. Change type rclass var to
	reg_class_t.
	* reload.c (combine_reloads, find_reloads, find_reloads_address_1):
	Use ira_reg_class_max_nregs array instead of CLASS_MAX_NREGS macro.

	* config/i386/i386.h (CLASS_MAX_NREGS): Remove.
	* config/i386/i386.c (ix86_class_max_nregs): New function.
	(ix86_register_move_cost): Use TARGET_CLASS_MAX_NREGS target hook
	instead of CLASS_MAX_NREGS macro.
	(TARGET_CLASS_MAX_NREGS): Define.
	* config/avr/avr.h (CLASS_MAX_NREGS): Remove.
	* config/avr/avr-protos.h (class_max_nregs): Remove declaration.
	* config/avr/avr.c (class_max_nregs): Remove function.
	* config/alpha/alpha.h (CLASS_MAX_NREGS): Remove.
	* config/spu/spu.h (CLASS_MAX_NREGS): Remove.
	* config/mep/mep.h (CLASS_MAX_NREGS): Remove.
	* config/m32r/m32r.h (CLASS_MAX_NREGS): Remove.
	* config/microblaze/microblaze.h (CLASS_MAX_NREGS): Remove.
	* config/xtensa/xtensa.h (CLASS_MAX_NREGS): Remove.
	* config/stormy16/stormy16.h (CLASS_MAX_NREGS): Remove.
	* config/lm32/lm32.h (CLASS_MAX_NREGS): Remove.
	* config/moxie/moxie.h (CLASS_MAX_NREGS): Remove.
	* config/iq2000/iq2000.h (CLASS_MAX_NREGS): Remove.
	* config/mn10300/mn10300.h (CLASS_MAX_NREGS): Remove.
	* config/score/score.h (CLASS_MAX_NREGS): Remove.
	* config/vax/vax.h (CLASS_MAX_NREGS): Remove.
	* config/h8300/h8300.h (CLASS_MAX_NREGS): Remove.
	* config/v850/v850.h (CLASS_MAX_NREGS): Remove.

From-SVN: r176490

	* cif-code.def (OVERWRITABLE): Fix typo and move around.
	(TARGET_OPTIMIZATION_MISMATCH): Delete.
	(EH_PERSONALITY): Fix typo.
	(NON_CALL_EXCEPTIONS): Fix message.
	(OPTIMIZATION_MISMATCH): Adjust message.
	* ipa-inline.c (can_inline_edge_p): Use CIF_OPTIMIZATION_MISMATCH.

From-SVN: r176488