This change entailed adding a few new methods to double_int.

The change results in a 0.163% time improvement with a 70% confidence.

Tested on x86_64.


Index: gcc/ChangeLog

2012-09-06  Lawrence Crowl  <crowl@google.com>

	* double-int.h (double_int::operator &=): New.
	(double_int::operator ^=): New.
	(double_int::operator |=): New.
	(double_int::mul_with_sign): Modify overflow parameter to bool*.
	(double_int::add_with_sign): New.
	(double_int::ule): New.
	(double_int::sle): New.
	(binary double_int::operator *): Remove parameter name.
	(binary double_int::operator +): Likewise.
	(binary double_int::operator -): Likewise.
	(binary double_int::operator &): Likewise.
	(double_int::operator |): Likewise.
	(double_int::operator ^): Likewise.
	(double_int::and_not): Likewise.
	(double_int::from_shwi): Tidy formatting.
	(double_int::from_uhwi): Likewise.
	(double_int::from_uhwi): Likewise.
	* double-int.c (double_int::mul_with_sign): Modify overflow parameter
	to bool*.
	(double_int::add_with_sign): New.
	(double_int::ule): New.
	(double_int::sle): New.
	* builtins.c: Modify to use the new double_int interface.
	* cgraph.c: Likewise.
	* combine.c: Likewise.
	* dwarf2out.c: Likewise.
	* emit-rtl.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* fixed-value.c: Likewise.
	* fold-const.c: Likewise.
	* gimple-fold.c: Likewise.
	* gimple-ssa-strength-reduction.c: Likewise.
	* gimplify-rtx.c: Likewise.
	* ipa-prop.c: Likewise.
	* loop-iv.c: Likewise.
	* optabs.c: Likewise.
	* stor-layout.c: Likewise.
	* tree-affine.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-dfa.c: Likewise.
	* tree-flow-inline.h: Likewise.
	* tree-object-size.c: Likewise.
	* tree-predcom.c: Likewise.
	* tree-pretty-print.c: Likewise.
	* tree-sra.c: Likewise.
	* tree-ssa-address.c: Likewise.
	* tree-ssa-alias.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-sccvn: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-ssa.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-vect-loop-manip.c: Likewise.
	* tree-vrp.c: Likewise.
	* tree.h: Likewise.
	* tree.c: Likewise.
	* varasm.c: Likewise.

From-SVN: r191047

2012-09-06  Cary Coutant  <ccoutant@google.com>

include/
	* dwarf2.def: Edit comment.

From-SVN: r191046

	* configure.ac (hle prefixes): Remove .code64.
	* configure: Regenerated.

From-SVN: r191044

2012-09-06  Thiago Macieira  <thiago.macieira@intel.com>

	PR libstdc++/54172
        * libsupc++/guard.cc (__cxa_guard_acquire): Exit the loop earlier if
        we detect that another thread has had success. Don't compare_exchange
        from a finished state back to a waiting state. Comment.

From-SVN: r191042

From-SVN: r191037

2012-09-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c: Use CONST_INT_P, CONST_DOUBLE_P, REG_P, MEM_P,
	LABEL_P, JUMP_P, CALL_P, NOTE_P, BARRIER_P consistently.
	* config/arm/arm.h: Use REG_P, MEM_P consistently.
	* config/arm/arm.md: Use CONST_INT_P, REG_P, MEM_P, CONST_DOUBLE_P
	consistently.
	* config/arm/neon.md: Use REG_P consistently.
	* config/arm/predicates.md: Use CONST_INT_P, REG_P, MEM_P
	consistently.
	* config/arm/thumb2.md: Use CONST_INT_P, REG_P consistently.
	* config/arm/vec-common.md: Use REG_P consistently.

From-SVN: r191034

	PR c++/54341
	PR c++/54253
	* semantics.c (sort_constexpr_mem_initializers): New.
	(build_constexpr_constructor_member_initializers): Use it.
	(cx_check_missing_mem_inits): Skip artificial fields.
	* init.c (expand_aggr_init_1): Don't zero out a class
	with no data.

From-SVN: r191033

2012-09-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54498
	* tree-ssa-alias.h (get_continuation_for_phi): Add flag to
	abort when reaching an already visited region.
	* tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
	(get_continuation_for_phi_1): Likewise.
	(walk_non_aliased_vuses): When we translated the reference,
	abort when we re-visit a region.
	* tree-ssa-pre.c (translate_vuse_through_block): Adjust.

From-SVN: r191030

        * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Add TLS
        section.
        * config/rs6000/rs6000.c (rs6000_debug_address_cost): Add new
        arguments to TARGET_ADDRESS_COST call.

From-SVN: r191027

2012-09-06  Richard Guenther  <rguenther@suse.de>

	* tree.h (MOVE_NONTEMPORAL): Remove.
	* tree-pretty-print.c (dump_generic_node): Remove
	MOVE_NONTEMPORAL handling.
	* expr.c (expand_expr_real_1): Likewise.

From-SVN: r191022

2012-09-06  Richard Guenther  <rguenther@suse.de>

	* passes.c (execute_function_todo): Call compute_may_aliases
	only if flag_tree_pta is set.

From-SVN: r191015

2012-09-06  Andrew Pinski  <apinski@cavium.com>

        PR tree-opt/54494
        * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
2012-09-06  Andrew Pinski  <apinski@cavium.com>

        PR tree-opt/54494
        * gcc.dg/tree-ssa/strlen-1.c: New testcase.

From-SVN: r191014

re PR rtl-optimization/54455 (ICE: RTL check: expected elt 3 type 'B', have '0' (rtx barrier) in compute_bb_for_insn, at cfgrtl.c:418)

	PR rtl-optimization/54455
	* sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
	bb ends up with asm goto referencing bb's label.

	* gcc.dg/54455.c: New test.

From-SVN: r191013

        PR fortran/54463
        * trans-intrinsic.c (gfc_conv_intrinsic_funcall): Fix matmul
        call to BLAS if the default-kind has been promoted.

2012-09-06  Tobias Burnus

        PR fortran/54463
        * gfortran.dg/promotion_2.f90: New.

From-SVN: r191012

Support DW_AT_high_pc as a constant.
Support DW_AT_ranges.

PR gcc/52583

From-SVN: r191008

2012-09-06  Chen Liqin  <liqin.gcc@gmail.com>

	* config/score/score.c: Remove TARGET_LEGITIMIZE_ADDRESS define
	and score_legitimize_address function, use compiler default code instead.

From-SVN: r191004

From-SVN: r191002

	* ipa-inline.c (want_inline_small_function_p): Use INLINE_HINT_loop_iterations
	hint.

From-SVN: r190999

	* config/fpu-387.h (set_fpu): Prefix stmxcsr and ldmxcsr with %v.

From-SVN: r190997

2012-09-05  Andrew Pinski  <apinski@cavium.com>

 	* optabs.c (emit_conditional_add): Correct comment about the arguments.
	Remove code which might swap op2 and op3 since they cannot be swapped.
	* doc/md.texi (add@var{mode}cc): Fix document about how the arguments
	are used.

From-SVN: r190994

From-SVN: r190993

	* config/fpu-387.h (set_fpu): Use __builtin_ia32_stmxcsr and
	__builtin_ia32_ldmxcsr intrinsics.

From-SVN: r190992

2012-09-05  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/54296
	* include/bits/hashtable.h (_M_erase(size_type, __node_base*,
	__node_type*)): New.
	(erase(const_iterator)): Use latter.
	(_M_erase(std::true_type, const key_type&)): New, likewise.
	(_M_erase(std::false_type, const key_type&)): New. Find all nodes
	matching the key before deallocating them so that the key doesn't
	get invalidated.
	(erase(const key_type&)): Use the new member functions.
	* testsuite/23_containers/unordered_map/erase/54296.cc: New.
	* testsuite/23_containers/unordered_multimap/erase/54296.cc: New.

From-SVN: r190991

	* hooks.c (hook_int_rtx_mode_as_bool_0): New function.
	* hooks.h (hook_int_rtx_mode_as_bool_0): Declare it.
	* output.h (default_address_cost): Add machine_mode and address space
	arguments.
	* target.def (address_cost): Likewise.
	* rtlanal.c (address_cost): Pass mode and address space to target hook.
	(default_address_cost): Add unnamed machine_mode and address space
	arguments.
	* doc/tm.texi: Regenerate.
	* config/alpha/alpha.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/arm/arm.c (arm_address_cost): Add machine_mode and address
	space arguments.
	* config/avr/avr.c (avr_address_cost): Likewise.
	* config/bfin/bfin.c (bfin_address_cost): Likewise.
	* config/cr16/cr16.c (cr16_address_cost): Likewise.
	* config/cris/cris.c (cris_address_cost): Likewise.
	* config/epiphany/epiphany.c (epiphany_address_cost): Likewise.
	* config/i386/i386.c (ix86_address_cost): Likewise.
	* config/ia64/ia64.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/iq2000/iq2000.c (iq2000_address_cost): Add machine_mode and
	address space arguments.  Pass them on in recursive invocation.
	* config/lm32/lm32.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/m32c/m32c.c (m32c_address_cost): Add machine_mode and address
	space arguments.
	* config/m32r/m32r.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/mcore/mcore.c (TARGET_ADDRESS_COST): Likewise.
	* config/mep/mep.c (mep_address_cost): Add machine_mode and address
	space arguments.
	* config/microblaze/microblaze.c (microblaze_address_cost): Likewise.
	* config/mips/mips.c (mips_address_cost): Likewise.
	* config/mmix/mmix.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/mn10300/mn10300.c (mn10300_address_cost): Add machine_mode and
	address space arguments.
	(mn10300_rtx_costs): Pass GET_MODE (x) and MEM_ADDR_SPACE (x) to
	mn10300_address_cost.
	* config/pa/pa.c (hppa_address_cost): Add machine_mode and address
	space arguments.
	* config/rs6000/rs6000.c (rs6000_debug_address_cost): Likewise.
	(TARGET_ADDRESS_COST): Use hook_int_rtx_mode_as_bool_0 instead of
	hook_int_rtx_bool_0.
	* config/rx/rx.c (rx_address_cost): Add machine_mode and address
	space arguments.
	* config/s390/s390.c (s390_address_cost): Likewise.
	* config/score/score-protos.h (score_address_cost): Likewise.
	* config/score/score.c (score_address_cost): Likewise.
	* config/sh/sh.c (sh_address_cost): Likewise.
	* config/sparc/sparc.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/spu/spu.c (TARGET_ADDRESS_COST): Likewise.
	* config/stormy16/stormy16.c (xstormy16_address_cost): Add machine_mode
	and address space arguments.
	* config/v850/v850.c (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
	* config/vax/vax.c (vax_address_cost): Add machine_mode and address
	space arguments.
	* config/xtensa/xtensa (TARGET_ADDRESS_COST): Use
	hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.

From-SVN: r190990

2012-09-05  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54462
        * symbol.c (gfc_undo_symbols): Avoid NULL pointer dereference.

From-SVN: r190989

	PR bootstrap/54484
	* vec.h (vec_t::lower_bound): Fix spelling of LESSTHAN
	argument.

From-SVN: r190988

	PR middle-end/54486
	* builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
	build_int_cst with size_type_node instead of size_int.

	* c-c++-common/pr54486.c: New test.

From-SVN: r190986

sse.md (<sse4_1>_blendv<ssemodesuffix><avxsizesuffix>): Use register_operand instead of reg_not_xmm0_operand{,_maybe_avx}.

	* config/i386/sse.md (<sse4_1>_blendv<ssemodesuffix><avxsizesuffix>):
	Use register_operand instead of reg_not_xmm0_operand{,_maybe_avx}.
	Use nonimmediate_operand instead of
	nonimm_not_xmm0_operand{,_maybe_avx}.
	(<sse4_1_avx2>_pblendvb): Ditto.
	(sse4_2_pcmpestr): Ditto.
	(*sse4_2_pcmpestr_unaligned): Ditto.
	(sse4_2_pcmpistr): Ditto.
	(*sse4_2_pcmpistr_unaligned): Ditto.
	* config/i386/predicates.md (reg_not_xmm0_operand): Remove predicate.
	(nonimm_not_xmm0_operand): Ditto.
	(nonimm_not_xmm0_operand_maybe_avx): Ditto.
	(nonimm_not_xmm0_operand_maybe_avx): Ditto.
	* config/i386/i386.md (rdpmc): Do not force operand 1 into ecx.

From-SVN: r190985

random.cc (random_device::_M_init): Check whether cpuid instruction is available by using __get_cpuid_max.


	* src/c++11/random.cc (random_device::_M_init): Check whether cpuid
	instruction is available by using __get_cpuid_max.

From-SVN: r190982

	* bb-reorder.c: Clarify a few points in the head comment and fix
	long lines in other comments.
	(find_traces): Fix long line.
	(find_traces_1_round): Likewise.
	(better_edge_p): Likewise.
	(connect_traces): Likewise.
	(duplicate_computed_gotos): Likewise.
	(find_rarely_executed_basic_blocks_and_cr): Remove trailing spaces.
	(fix_up_fall_thru_edges): Fix formatting.

From-SVN: r190979

2012-09-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46590
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Do not
	update SSA form here.
	(canonicalize_induction_variables): Assert we do not need to
	update SSA form.
	(tree_unroll_loops_completely): Update SSA form here.
	* tree-ssa-loop-manip.c (gimple_duplicate_loop_to_header_edge):
	Do not verify loop-closed SSA form if SSA form is not up-to-date.

From-SVN: r190978

2012-09-05  Dominique Dhumieres  <dominiq@lps.ens.fr>

	PR fortran/54474
	* gfortran.dg/coarray_poly_3.f90: Adjust error messages.

From-SVN: r190977

	(operator()): Use __generate() function of _M_nd.

From-SVN: r190975

/cp
2012-09-05  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54191
	* search.c (lookup_base): Add tsubst_flags_t parameter.
	(adjust_result_of_qualified_name_lookup, check_final_overrider):
	Adjust.
	* name-lookup.c (do_class_using_decl): Adjust.
	* typeck2.c (binfo_or_else, build_scoped_ref, build_m_component_ref):
	Likewise.
	* cvt.c (cp_convert_to_pointer, convert_to_pointer_force,
	build_up_reference): Likewise.
	* rtti.c (build_dynamic_cast_1): Likewise.
	* tree.c (maybe_dummy_object): Likewise.
	* call.c (build_conditional_expr_1, build_over_call): Likewise.
	* cp-tree.h (UNIQUELY_DERIVED_FROM_P, PUBLICLY_UNIQUELY_DERIVED_P):
	Remove.
	(enum base_access_flags, ba_quiet): Remove.
	(uniquely_derived_from_p, publicly_uniquely_derived_p): Declare.
	* except.c (can_convert_eh): Adjust.
	* decl.c (grokdeclarator): Likewise.
	* typeck.c (comp_except_types, build_class_member_access_expr,
	finish_class_member_access_expr, get_member_function_from_ptrfunc,
	build_static_cast_1, get_delta_difference_1): Likewise.
	* class.c (build_base_path, convert_to_base, build_vtbl_ref_1,
	warn_about_ambiguous_bases): Likewise.
	(uniquely_derived_from_p, publicly_uniquely_derived_p): Define.

/testsuite
2012-09-05  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54191
	* g++.dg/cpp0x/sfinae39.C: New.

From-SVN: r190969

	PR target/54461
	* configure.ac (noconfigdirs,target=avr-*-*): Add target-newlib,
	target-libgloss if not configured --with-avrlibc=no.
	* configure: Regenerate.

libgcc/
	PR target/54461
	* config.host (tmake_file,host=avr-*-*): Add avr/t-avrlibc if
	not configured --with-avrlibc=no.
	* config/avr/t-avrlibc: New file.
	* Makefile.in (FPBIT_FUNCS): filter-out LIB2FUNCS_EXCLUDE.
	(DPBIT_FUNCS): Ditto.
	(TPBIT_FUNCS): Ditto.

gcc/
	PR target/54461
	* config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
	not configured --with-avrlibc=no.
	(tm_defines,target=avr-*-*): Add WITH_AVRLIBC if not configured
	--with-avrlibc=no.
	* config/avr/avrlibc.h: New file.
	* config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
	not configured --with-avrlibc=no.
	* doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__

From-SVN: r190967

From-SVN: r190965

	PR c++/54441
	* decl.c (reshape_init_class): Handle invalid initializer for
	0-length array member.

	* error.c (dump_type_suffix): Correct handling of 0-length arrays.

From-SVN: r190962

	PR c++/54420
	* cp-tree.h (LAMBDANAME_P): Remove.
	(LAMBDA_TYPE_P): Check CLASSTYPE_LAMBDA_EXPR instead.
	* cp-lang.c (cxx_dwarf_name): Likewise.
	* error.c (dump_aggr_type): Likewise.
	* semantics.c (begin_lambda_type): Set CLASSTYPE_LAMBDA_EXPR sooner.

From-SVN: r190961

	* include/ext/random: Add __gnu_cxx:normal_mv_distribution<> class.
	* include/ext/random.tccAdd out-of-line functions for
	__gnu_cxx::normal_mv_distribution<>.
	* testsuite/26_numerics/random/normal_mv_distribution/
	operators/equal.cc: New file.
	* testsuite/26_numerics/random/normal_mv_distribution/
	operators/serialize.cc: New file.
	* testsuite/26_numerics/random/normal_mv_distribution/
	operators/inequal.cc: New file.
	* testsuite/26_numerics/random/normal_mv_distribution/
	cons/default.cc: New file.
	* testsuite/26_numerics/random/normal_mv_distribution/
	cons/parms.cc: New file.
	* testsuite/26_numerics/random/normal_mv_distribution/
	requirements/explicit_instantiation/1.cc: New file.
	* testsuite/26_numerics/random/normal_mv_distribution/
	requirements/typedefs.cc: New file.

From-SVN: r190960

From-SVN: r190957