2015-07-30  Richard Biener  <rguenther@suse.de>

	* gimple-fold.c (fold_gimple_assign): Only fold !tcc_comparison
	binaries.  Move X == 0, X == 1, X != 0, and X != 1 canonicalization ...
	(fold_stmt_1): ... here and work on GIMPLE directly.  Remove
	redundant operand canonicalization.

From-SVN: r226404

aarch64-simd.md (aarch64_ext<mode>): Replace call to GET_MODE_SIZE (GET_MODE_INNER (m)) with GET_MODE_UNIT_SIZE (m).

gcc/
2015-07-30  David Sherwood  <david.sherwood@arm.com>

	* config/aarch64/aarch64-simd.md (aarch64_ext<mode>): Replace call to
	GET_MODE_SIZE (GET_MODE_INNER (m)) with GET_MODE_UNIT_SIZE (m).
	* config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Likewise.
	* config/arm/arm.c (neon_valid_immediate): Likewise.
	* config/i386/i386.c (classify_argument, ix86_expand_int_vcond)
	(expand_vec_perm_blend, expand_vec_perm_pshufb): Likewise.
	(expand_vec_perm_pshufb2, expand_vec_perm_vpshufb2_vpermq): Likewise.
	(expand_vec_perm_vpshufb2_vpermq): Likewise.
	(expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise.
	(expand_vec_perm_vpshufb4_vpermq2): Likewise.
	* config/i386/sse.md
	(<extract_type>_vinsert<shuffletype><extract_suf>_mask): Likewise.
	(*ssse3_palignr<mode>_perm): Likewise.
	* config/rs6000/rs6000.c (rs6000_complex_function_value): Likewise.
	* config/spu/spu.c (arith_immediate_p): Likewise.
	* simplify-rtx.c (simplify_const_unary_operation): Likewise.
	(simplify_binary_operation_1, simplify_ternary_operation): Likewise.

From-SVN: r226403

	* testsuite/experimental/filesystem/operations/current_path.cc: Use
	canonical paths for comparisons.

From-SVN: r226402

2015-07-30  Richard Biener  <rguenther@suse.de>

	* genmatch.c (decision_tree::gen_gimple): Merge with ...
	(decision_tree::gen_generic): ... this into ...
	(decision_tree::gen): ... this.
	(main): Adjust callers.

From-SVN: r226396

	* include/bits/regex_automaton.h (_State_base, _State<>):
	Remove _TraitsT dependency from _State<>; Make matcher member
	into the union to reduce struct size.
	* include/bits/regex_automaton.tcc (_State_base<>::_M_print,
	_State_base<>::_M_dot, _StateSeq<>::_M_clone):
	Adjust to fit the interface. Factor out common parts in
	_M_clone as _State<>::_M_has_alt.
	* include/bits/regex_executor.h (_Executer<>::_M_lookahead):
	Only pass state id instead of the whole state.
	* include/bits/regex_executor.tcc (_Executer<>::_M_dfs,
	_Executer<>::_M_lookahead): Adjust to fit the interface.
	* include/std/regex: Include <ext/aligned_buffer.h>

From-SVN: r226395

class.c (check_for_override): Use DECL_SOURCE_LOCATION and "%qD" in warning_at instead of "%q+D" in warning.

2015-07-30  Paolo Carlini  <paolo.carlini@oracle.com>

	* class.c (check_for_override): Use DECL_SOURCE_LOCATION and "%qD"
	in warning_at instead of "%q+D" in warning.
	(warn_hidden): Likewise but use location_of.
	(finish_struct_anon_r): Likewise use DECL_SOURCE_LOCATION in permerror.
	(check_bitfield_decl, check_field_decls): Likewise in warning_at.
	(check_field_decls): Likewise for permerror.
	(explain_non_literal_class): Likewise for inform.
	(check_bases_and_members, layout_class_type): Likewise for warning_at.
	(note_name_declared_in_class): Use location_of in permerror.
	* name-lookup.c (diagnose_name_conflict): Use location_of in inform.
	(pushdecl_maybe_friend_1): Use DECL_SOURCE_LOCATION in pedwarn,
	inform, and warning_at.
	(check_for_out_of_scope_variable): Likewise for warning_at and
	permerror.

From-SVN: r226394

	* include/experimental/any (any::operator=(const any&)): Check for
	self-assignment.
	* testsuite/experimental/any/assign/self.cc: New.
	* testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.

From-SVN: r226393

	* c-common.c (warn_tautological_cmp): Bail for float types.

	* c-c++-common/Wtautological-compare-3.c: New test.

From-SVN: r226388

2015-07-30  Richard Biener  <rguenther@suse.de>

	* genmatch.c (verbose): New global.
	(warning_at): Add overload with source_location.
	(capture_info::capture_info): Add bool whether generating gimple
	or generic.  Add gimple member.
	(capture_info::cinfo): Add capture member.
	(capture_info::walk_match): Record capture.  Warn on
	non-captured leafs.
	(capture_info::walk_c_expr): Add more fragments captures cannot
	escape through.  Warn on escaped captures.
	(dt_simplify::gen_1): Warn on operands we force to have no
	side-effects.
	(main): Initialize verbose.
	* match.pd: Add integer_nonzerop and HONOR_NANS predicates.

From-SVN: r226386

2015-07-30  Richard Biener  <rguenther@suse.de>

	PR middle-end/67053
	* match.pd: Allow both operands to independently have conversion
	when simplifying compares of addresses.

From-SVN: r226384

	DR 1558
	PR c++/67021
	* pt.c (tsubst_decl) [TYPE_DECL]: Clear TYPE_DEPENDENT_P_VALID.

From-SVN: r226381

	PR target/66217
	PR target/67045
	* config/rs6000/rs6000.md (and<mode>3): Put a CONST_INT_P check
	around those cases that need one.

From-SVN: r226378

From-SVN: r226377

    
    In a recent change to mksysinfo.sh, a space was missing on
    some lines which caused the libgo build to hang on some
    systems.  This corrects that problem.
    
    Fixes golang/go#11924
    
    Reviewed-on: https://go-review.googlesource.com/12835

From-SVN: r226366

	* params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Default to 3.

From-SVN: r226365

Since IA MCU uses the same debug register map as Linux/x86, we copy
DBX_REGISTER_NUMBER together with TARGET_ASM_FILE_START_FILE_DIRECTIVE
and ASM_COMMENT_START from i386/gnu-user.h to i386/iamcu.h.

	* config/i386/iamcu.h (TARGET_ASM_FILE_START_FILE_DIRECTIVE):
	New.  Copied from config/i386/gnu-user.h.
	(ASM_COMMENT_START): Likewise.
	(DBX_REGISTER_NUMBER): Likewise.

From-SVN: r226363

* MAINTAINERS (Write After Approval): Add a blank line.

From-SVN: r226361

From-SVN: r226358

re PR libfortran/66650 (libgfortran: warning: left shift of negative value [-Wshift-negative-value])

	PR libgfortran/66650
	* libgfortran.h (GFC_DTYPE_SIZE_MASK): Rewrite to avoid
	"left shift of negative value" warning.

From-SVN: r226355

	PR libstdc++/66829
	* testsuite/lib/libstdc++.exp (v3-build_support): Compile
	testsuite_shared.cc with -std=gnu++98.

From-SVN: r226354

(taken from [AArch64] Add support for float14x{4,8}_t vectors/builtins)

        * gcc.target/aarch64/vld1_lane.c (main): Remove unused test data.
        (CHECK): Pass address of scalar, rather than array.

From-SVN: r226353

(taken from [AArch64] Add support for float14x{4,8}_t vectors/builtins)

        * gcc.target/aarch64/vld1-vst1_1.c: Add missing float32x4_t case.

From-SVN: r226352

2015-07-29  Richard Biener  <rguenther@suse.de>

	* gimple-fold.c (fold_gimple_cond): Remove.
	(fold_stmt_1): Do not call it.

From-SVN: r226351

	* gcc.target/aarch64/fp16/fp16.exp: New.
	* gcc.target/aarch64/fp16/f16_convs_1.c: New.
	* gcc.target/aarch64/fp16/f16_convs_2.c: New.

From-SVN: r226350

From-SVN: r226349

2015-07-29  Ville Voutilainen  <ville.voutilainen@gmail.com>

	* include/bits/range_access.h: Change class to typename in every
	template.
	(size, empty, data): New functions from N4280.
	* testsuite/24_iterators/container_access.cc: New.

From-SVN: r226348

2015-07-29  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/60970
	* include/bits/functional_hash.h (__hash_enum): New.
	(hash): Derive from __hash_enum.
	* testsuite/20_util/hash/60970.cc: New.

From-SVN: r226347

gcc/:

	* config/aarch64/aarch64-builtins.c (aarch64_fp16_type_node): New.
	(aarch64_init_builtins): Make aarch64_fp16_type_node, use for __fp16.

	* config/aarch64/aarch64-modes.def: Add HFmode.

	* config/aarch64/aarch64.h (TARGET_CPU_CPP_BUILTINS): Define
	__ARM_FP16_FORMAT_IEEE and __ARM_FP16_ARGS. Set bit 1 of __ARM_FP.

	* config/aarch64/aarch64.c (aarch64_init_libfuncs,
	aarch64_promoted_type): New.

	(aarch64_float_const_representable_p): Disable HFmode.
	(aarch64_mangle_type): Mangle half-precision floats to "Dh".
	(TARGET_PROMOTED_TYPE): Define to aarch64_promoted_type.
	(TARGET_INIT_LIBFUNCS): Define to aarch64_init_libfuncs.

	* config/aarch64/aarch64.md (mov<mode>): Include HFmode using GPF_F16.
	(movhf_aarch64, extendhfsf2, extendhfdf2, truncsfhf2, truncdfhf2): New.

	* config/aarch64/iterators.md (GPF_F16): New.

gcc/testsuite/:

	* gcc.target/aarch64/f16_movs_1.c: New test.

From-SVN: r226346

2015-07-29  Richard Biener  <rguenther@suse.de>

	* match.pd: Merge address comparison patterns and make them
	handle some more cases.

From-SVN: r226345

2015-07-29  Richard Biener  <rguenther@suse.de>

	* genmatch.c (c_expr::gen_transform): Error on unknown captures.
	(parser::parse_capture): Add bool argument on whether to reject
	unknown captures.
	(parser::parse_expr): Adjust.
	(parser::parse_op): Likewise.
	(parser::parse_pattern): Likewise.

From-SVN: r226344

2015-07-29  Richard Biener  <rguenther@suse.de>

	* gimple-fold.c (has_use_on_stmt): New function.
	(replace_stmt_with_simplification): Use it to allow
	abnormals originally referenced in the stmt.
	(fold_stmt_1): Canonicalize operand order.

From-SVN: r226339

2015-07-29  Markus Trippelsdorf  <markus@trippelsdorf.de>

	PR sanitizer/63927
	* sanitizer_common/sanitizer_stacktrace.h: Use fast unwinder
	for PowerPC.

From-SVN: r226338

	PR libstdc++/67015
	* include/bits/regex_compiler.h (_Compiler<>::_M_expression_term,
	_BracketMatcher<>::_M_add_collating_element): Change signature
	to make checking the and of bracket expression easier.
	* include/bits/regex_compiler.tcc (_Compiler<>::_M_expression_term):
	Treat '-' as a valid literal if it's at the end of bracket expression.
	* testsuite/28_regex/algorithms/regex_match/cstring_bracket_01.cc:
	New testcases.

From-SVN: r226336

2015-07-28  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR sanitizer/63927
	* sanitizer_common/sanitizer_stacktrace.cc
	(BufferedStackTrace::FastUnwindStack): Fix code for PowerPC to
	find the link register at an offset of 16 from the base of the
	caller's stack frame.

From-SVN: r226335

From-SVN: r226334

gcc/
2015-07-28  David Sherwood  <david.sherwood@arm.com>

	* config/arm/arm.c (neon_element_bits, neon_valid_immediate): Call
	GET_MODE_INNER unconditionally.
	* config/spu/spu.c (arith_immediate_p): Likewise.
	* config/i386/i386.c (ix86_build_signbit_mask): Likewise.
	* expmed.c (synth_mult): Remove check for VOIDmode result from
	GET_MODE_INNER.
	(expand_mult_const): Likewise.
	* fold-const.c (fold_binary_loc): Replace call to element_precision
	with call to GET_MODE_PRECISION.
	* genmodes.c (emit_mode_inner_inline): Replace void_mode->name with
	m->name.
	(emit_mode_inner): Likewise.
	* lto-streamer-out.c (lto_write_mode_table): Update GET_MODE_INNER
	result check.
	* machmode.h (GET_MODE_UNIT_SIZE): Simplify.
	(GET_MODE_UNIT_PRECISION): Likewise.
	* rtlanal.c (subreg_get_info): Call GET_MODE_INNER unconditionally.
	* simplify-rtx.c (simplify_immed_subreg): Likewise.
	* stor-layout.c (bitwise_type_for_mode): Update assert.
	(element_precision): Remove.

From-SVN: r226328

gcc/
	* target-insns.def (reload_load_address): New targetm instruction
	pattern.
	* reload1.c (gen_reload): Use it instead of HAVE_*/gen_* interface.

From-SVN: r226326

gcc/
	* target-insns.def (atomic_test_and_set): New targetm instruction
	pattern.
	* optabs.c (maybe_emit_atomic_test_and_set): Use it instead of
	HAVE_*/gen_* interface.

From-SVN: r226325

gcc/
	* target-insns.def (can_extend, ptr_extend): New targetm instruction
	patterns.
	* optabs.c (can_extend_p): Use them instead of HAVE_*/gen_* interface.
	* simplify-rtx.c (simplify_unary_operation_1): Likewise.
	* emit-rtl.c (set_reg_attrs_from_value): Likewise.
	* rtlanal.c (nonzero_bits1): Likewise.
	(num_sign_bit_copies1): Likewise.

From-SVN: r226324

gcc/
	* target-insns.def (eh_return): New targetm instruction pattern.
	* except.c (expand_eh_return): Use it instead of HAVE_*/gen_*
	interface.
	* function.c (thread_prologue_and_epilogue_insns): Remove
	preprocessor condition.

From-SVN: r226322