any (any::operator=(const any&)): Check for self-assignment.

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

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

From-SVN: r226388

genmatch.c (verbose): New global.

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

re PR middle-end/67053 (FAIL: experimental/optional/constexpr/make_optional.cc)

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

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

From-SVN: r226381

re PR target/66217 (PowerPC rotate/shift/mask instructions not optimal)

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

Daily bump.

From-SVN: r226377

syscall:  Fix to libgo/mksysinfo.sh

    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

[graphite] reduce the number of params in a scop to 3

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

From-SVN: r226365

Define DBX_REGISTER_NUMBER for IA MCU

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

Fix whitespace in my MAINTAINERS change commit.

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

From-SVN: r226361

* MAINTAINERS (Write After Approval): Add myself.

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

re PR libstdc++/66829 (FAIL: 23_containers/multiset/modifiers/erase/dr130-linkage-check.cc)

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

From-SVN: r226354

[AArch64 Testsuite] vld1_lane.c: Remove unused test data

(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

[AArch64 Testsuite] vld1-vst1_1.c: Add missing float32x4_t case

(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

gimple-fold.c (fold_gimple_cond): Remove.

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

[ARM/AArch64 Testsuite] Add basic fp16 tests

* 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

* testsuite/24_iterators/container_access.cc: New.

From-SVN: r226349

range_access.h: Change class to typename in every template.

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

re PR libstdc++/60970 (Support std::hash with enum types (LWG 2148))

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

[AArch64] Add basic FP16 support

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

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

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

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

From-SVN: r226345

genmatch.c (c_expr::gen_transform): Error on unknown captures.

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

gimple-fold.c (has_use_on_stmt): New function.

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

Use fast unwinder for PowerPC

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

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

From-SVN: r226338

re PR libstdc++/67015 ("^[a-z0-9][a-z0-9-]*$", std::regex::extended is miscompiled)

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

re PR sanitizer/63927 (AddressSanitizer painfully slow on ppc64)

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

Daily bump.

From-SVN: r226334

arm.c (neon_element_bits, [...]): Call GET_MODE_INNER unconditionally.

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

target-insns.def (reload_load_address): New targetm instruction pattern.

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

target-insns.def (atomic_test_and_set): New targetm instruction pattern.

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

target-insns.def (can_extend, ptr_extend): New targetm instruction patterns.

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

target-insns.def (eh_return): New targetm instruction pattern.

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

target-insns.def (indirect_jump): New targetm instruction pattern.

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

From-SVN: r226321

fr30.md (indirect_jump): Use pmode_register_operand instead of nonimmediate_operand.

gcc/
* config/fr30/fr30.md (indirect_jump): Use pmode_register_operand
instead of nonimmediate_operand.  Remove C condiition.

From-SVN: r226320

check.tpl: Ignore .DS_Store directories.

2015-07-28  Eric Gallager  <egall@gwmail.gwu.edu>

* check.tpl: Ignore .DS_Store directories.

From-SVN: r226317

match.pd: Add more simplification of address comparisons.

2015-07-28  Richard Biener  <rguenther@suse.de>

* match.pd: Add more simplification of address comparisons.

From-SVN: r226312

match.pd: Re-order two cases in comparison with max/min value simplification to make it...

2015-07-28  Richard Biener  <rguenther@suse.de>

* match.pd: Re-order two cases in comparison with max/min
value simplification to make it apply for bools.

From-SVN: r226311

[AArch64] Properly handle simple arith+extend ops in rtx costs

* config/aarch64/aarch64.c (aarch64_rtx_arith_op_extract_p):
Handle simple SIGN_EXTEND or ZERO_EXTEND.
(aarch64_rtx_costs): Properly strip extend or extract before
passing down to rtx costs again.

From-SVN: r226309

call.c (build_op_delete_call, [...]): Use Use DECL_SOURCE_LOCATION and "%qD" in inform and pedwarn instead of "%q+D".

2015-07-28  Paolo Carlini  <paolo.carlini@oracle.com>

* call.c (build_op_delete_call, convert_like_real, build_over_call):
Use Use DECL_SOURCE_LOCATION and "%qD" in inform and pedwarn instead
of "%q+D".
* constexpr.c (explain_invalid_constexpr_fn): Likewise.
* decl.c (duplicate_decls): Likewise for warning/warning_at.
* except.c (maybe_noexcept_warning): Likewise.
* friend.c (make_friend_class): Likewise for inform.
* mangle.c (mangle_decl): Likewise for warning/warning_at.
* method.c (process_subob_fn, walk_field_subobs,
maybe_explain_implicit_delete): Likewise for inform.
* parser.c (cp_parser_lambda_introducer): Likewise.
* pt.c (check_specialization_namespace,
maybe_process_partial_specialization): Likewise for permerror.
(redeclare_class_template): Likewise for inform_n.
(coerce_template_parms, tsubst_copy_and_build): Likewise for inform.
* search.c (check_final_overrider): Likewise.
* semantics.c (process_outer_var_ref): Likewise.

From-SVN: r226308

rl78.c (rl78_addsi3_internal): New function.

* config/rl78/rl78.c (rl78_addsi3_internal): New function.
Optimizes the case where -mes0 is active and a constant symbolic
address is used.
* config/rl78/rl78-protos.h: Prototype the new function.
* config/rl78/rl78.md (addsi3_internal_real): Call new function.

From-SVN: r226306

Handle double reduction in parloops

2015-07-28  Tom de Vries  <tom@codesourcery.com>

* tree-parloops.c (reduc_stmt_res): New function.
(initialize_reductions, add_field_for_reduction)
(create_phi_for_local_result, create_loads_for_reductions)
(create_stores_for_reduction, build_new_reduction): Handle case that
reduc_stmt is a phi.
(gather_scalar_reductions): Allow double_reduc reductions.

* gcc.dg/autopar/uns-outer-4.c: Remove xfail on scan for parallelizing
outer loop.

* testsuite/libgomp.c/uns-outer-4.c: New test.

From-SVN: r226300

fold-const.c (fold_comparison): Remove equality folding of decl addresses ...

2015-07-28  Richard Biener  <rguenther@suse.de>

* fold-const.c (fold_comparison): Remove equality folding
of decl addresses ...
* match.pd: ... here and merge with existing pattern.

From-SVN: r226299

re PR tree-optimization/66828 (gcc/tree-ssa-math-opts.c:2182:38: runtime error: left shift of 72057594037927936 by 8 places cannot be represented in type 'long int')

2015-07-28  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    PR tree-optimization/66828
    * tree-ssa-math-opts.c (perform_symbolic_merge): Change type of inc
    from int64_t to uint64_t.

From-SVN: r226298

Honour DriverOnly for enum values in error messages

/gcc/ChangeLog

* opts-common.c (read_cmdline_option): List DriverOnly enum values as
valid only in the error message of the driver, not in the messages of
the language compilers.

From-SVN: r226297

* config.sub, config.guess: Import from upstream.

From-SVN: r226296

Daily bump.

From-SVN: r226294

c-decl.c (get_parm_info): Remove static var.

gcc/c/ChangeLog

2015-07-28  Luis Felipe Strano Moraes  <luis.strano@gmail.com>
    Manuel López-Ibáñez  <manu@gcc.gnu.org>

* c-decl.c (get_parm_info): Remove static var. Update warning
message.

gcc/testsuite/ChangeLog

2015-07-28  Luis Felipe Strano Moraes  <luis.strano@gmail.com>
    Manuel López-Ibáñez  <manu@gcc.gnu.org>

* gcc.dg/parm-incomplete-1.c: Update.
* gcc.dg/pr18809-1.c: Update.
* gcc.dg/pr27953.c: Update.
* gcc.dg/vla-11.c: Update.

Co-Authored-By: Manuel López-Ibáñez <manu@gcc.gnu.org>
From-SVN: r226274

* c-c++-common/Wtautological-compare-2.c: Remove unused line.

From-SVN: r226271

Simplify gather_scalar_reductions

2015-07-27  Tom de Vries  <tom@codesourcery.com>

* tree-parloops.c (gather_scalar_reductions): Simplify function
structure.

From-SVN: r226270

Update outer-4.c and uns-outer-4.c

2015-07-27  Tom de Vries  <tom@codesourcery.com>

* gcc.dg/autopar/outer-4.c (parloop): Remove superfluous noinline
attribute.  Update comment.
(main): Remove.
Add scan for not parallelizing inner loop.
* gcc.dg/autopar/uns-outer-4.c (parloop): Remove superfluous noinline
attribute.
(main): Remove.

From-SVN: r226269

* ipa-devirt.c (types_same_for_odr): Fix typo.

From-SVN: r226266

re PR bootstrap/67030 (ARM bootstrap failure due to [-Werror=tautological-compare])

PR bootstrap/67030
* c-common.c (warn_tautological_cmp): Don't warn for macro expansion.

* c-c++-common/Wtautological-compare-2.c: New test.

From-SVN: r226264

constexpr.c (cxx_eval_call_expression): Don't add this call to the hash table if !depth_ok.

* constexpr.c (cxx_eval_call_expression): Don't add this call to
the hash table if !depth_ok.

From-SVN: r226256

re PR lto/66468 (ICE in in check_die, at dwarf2out.c:5719)

PR debug/66468
* dwarf2out.c (gen_inlined_subroutine_die): Check
cgraph_function_possibly_inlined_p.

From-SVN: r226255

Add more tests for PR target/66232

PR target/66232
* gcc.target/i386/pr66232-6.c: New tests.
* gcc.target/i386/pr66232-7.c: Likewise.
* gcc.target/i386/pr66232-8.c: Likewise.
* gcc.target/i386/pr66232-9.c: Likewise.

From-SVN: r226254

[PATCH][AArch64] Improve spill code - swap order in shr patterns

gcc/

* gcc/config/aarch64/aarch64.md (aarch64_lshr_sisd_or_int_<mode>3):
Place integer variant first.
(aarch64_ashr_sisd_or_int_<mode>3): Likewise.

From-SVN: r226253

[ARM] PR/63870 Add a __builtin_lane_check

        * config/arm/arm-builtins.c (enum arm_builtins):
        Add ARM_BUILTIN_NEON_BASE and ARM_BUILTIN_NEON_LANE_CHECK.
        (ARM_BUILTIN_NEON_BASE): Rename macro to....
        (ARM_BUILTIN_NEON_PATTERN_START): ...this.
        (arm_init_neon_builtins): Register __builtin_arm_lane_check.
        (arm_expand_neon_builtin): Handle ARM_BUILTIN_NEON_LANE_CHECK.

From-SVN: r226252

[ARM] PR/63870 Add qualifier to check lane bounds in expand

* config/arm/arm-builtins.c (enum arm_type_qualifiers):
Add qualifier_lane_index.
(arm_binop_imm_qualifiers, BINOP_IMM_QUALIFIERS): New.
(arm_getlane_qualifiers): Use qualifier_lane_index.
(arm_lanemac_qualifiers): Rename to...
(arm_mac_n_qualifiers): ...this.
(LANEMAC_QUALIFIERS): Rename to...
(MAC_N_QUALIFIERS): ...this.
(arm_mac_lane_qualifiers, MAC_LANE_QUALIFIERS): New.
(arm_setlane_qualifiers): Use qualifier_lane_index.
(arm_ternop_imm_qualifiers, TERNOP_IMM_QUALIFIERS): New.
(enum builtin_arg): Add NEON_ARG_LANE_INDEX.
(arm_expand_neon_args): Handle NEON_ARG_LANE_INDEX.
(arm_expand_neon_builtin): Handle qualifier_lane_index.

* config/arm/arm-protos.h (neon_lane_bounds): Add const_tree parameter.
* config/arm/arm.c (bounds_check): Likewise, improve error message.
(neon_lane_bounds, neon_const_bounds): Add arguments to bounds_check.
* config/arm/arm_neon_builtins.def (vshrs_n, vshru_n, vrshrs_n,
vrshru_n, vshrn_n, vrshrn_n, vqshrns_n, vqshrnu_n, vqrshrns_n,
vqrshrnu_n, vqshrun_n, vqrshrun_n, vshl_n, vqshl_s_n, vqshl_u_n,
vqshlu_n, vshlls_n, vshllu_n): Change qualifiers to BINOP_IMM.
(vsras_n, vsrau_n, vrsras_n, vrsrau_n, vsri_n, vsli_n): Change
qualifiers to TERNOP_IMM.
(vdup_lane): Change qualifiers to GETLANE.
(vmla_lane, vmlals_lane, vmlalu_lane, vqdmlal_lane, vmls_lane,
vmlsls_lane, vmlslu_lane, vqdmlsl_lane): Change qualifiers to MAC_LANE.
(vmla_n, vmlals_n, vmlalu_n, vqdmlal_n, vmls_n, vmlsls_n, vmlslu_n,
vqdmlsl_n): Change qualifiers to MAC_N.

* config/arm/neon.md (neon_vget_lane<mode>, neon_vget_laneu<mode>,
neon_vget_lanedi, neon_vget_lanev2di, neon_vset_lane<mode>,
neon_vset_lanedi, neon_vdup_lane<mode>, neon_vdup_lanedi,
neon_vdup_lanev2di, neon_vmul_lane<mode>, neon_vmul_lane<mode>,
neon_vmull<sup>_lane<mode>, neon_vqdmull_lane<mode>,
neon_vq<r>dmulh_lane<mode>, neon_vq<r>dmulh_lane<mode>,
neon_vmla_lane<mode>, neon_vmla_lane<mode>, neon_vmlal<sup>_lane<mode>,
neon_vqdmlal_lane<mode>, neon_vmls_lane<mode>, neon_vmls_lane<mode>,
neon_vmlsl<sup>_lane<mode>, neon_vqdmlsl_lane<mode>):
Remove call to neon_lane_bounds.

From-SVN: r226251

[PATCH][AArch64] Improve spill code - swap order in shl pattern

gcc/

* config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
Place integer variant first.

From-SVN: r226247

Fix logic error in Fortran OpenACC parsing

gcc/fortran/
* parse.c (parse_oacc_structured_block): Fix logic error.
Reported by Mikael Morin <mikael.morin@sfr.fr>.

From-SVN: r226246

arm-arches.def: Add "armv6kz".

2015-07-27  Matthew Wahab  <matthew.wahab@arm.com>

* config/arm/arm-arches.def: Add "armv6kz". Replace 6ZK with 6KZ
and FL_FOR_ARCH6ZK with FL_FOR_ARCH6KZ.
* config/arm/arm-c.c (arm_cpu_builtins): Emit "__ARM_ARCH_6ZK__"
for armv6kz targets.
* config/arm/arm-cores.def: Replace 6ZK with 6KZ.
* config/arm/arm-protos.h (FL_ARCH6KZ): New.
(FL_FOR_ARCH6ZK): Remove.
(FL_FOR_ARCH6KZ): New.
(arm_arch6zk): New declaration.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/arm.c (arm_arch6kz): New.
(arm_option_override): Set arm_arch6kz.
* config/arm/arm.h (BASE_ARCH_6ZK): Rename to BASE_ARCH_6KZ.
* config/arm/driver-arm.c: Add comment to "armv6zk" entry.
        * doc/invoke.texi: Replace "armv6zk" with "armv6kz".

From-SVN: r226243

re PR c++/66555 (Fails to warn for if (j == 0 && i == i))

PR c++/66555
PR c/54979
* c-common.c (find_array_ref_with_const_idx_r): New function.
(warn_tautological_cmp): New function.
* c-common.h (warn_tautological_cmp): Declare.
* c.opt (Wtautological-compare): New option.

* c-typeck.c (parser_build_binary_op): Call warn_tautological_cmp.

* call.c (build_new_op_1): Call warn_tautological_cmp.
* pt.c (tsubst_copy_and_build): Use sentinel to suppress tautological
compare warnings.

* doc/invoke.texi: Document -Wtautological-compare.

* c-c++-common/Wtautological-compare-1.c: New test.

From-SVN: r226242

genmatch.c (decision_tree::gen_gimple): Split out large subtrees into separate functions.

2015-07-27  Richard Biener  <rguenther@suse.de>

* genmatch.c (decision_tree::gen_gimple): Split out large
subtrees into separate functions.
(decision_tree::gen_generic): Likewise.

From-SVN: r226241

Daily bump.

From-SVN: r226240

Fix PR c++/18969 (invalid return statement diagnosed too late)

gcc/cp/ChangeLog:

PR c++/18969
* typeck.c (check_return_expr): Also do the basic return-value
validity checking if processing_template_decl and yet types are
not dependent.  Remove obsolete code.

gcc/testsuite/ChangeLog:

PR c++/18969
* g++.dg/template/pr18969.C: New test.
* g++.dg/template/pr18969-2.C: New test.
* g++.old-deja/g++.jason/overload.C: Remove return value in
template function returning void.

From-SVN: r226236

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

2015-07-26  Paolo Carlini  <paolo.carlini@oracle.com>

* decl.c (poplevel): Use Use DECL_SOURCE_LOCATION and "%qD"
in warning_at instead of "%q+D" in warning.
(warn_extern_redeclared_static): Likewise for inform.
(check_redeclaration_no_default_args): Likewise for permerror.
(duplicate_decls): Likewise.
(check_previous_goto_1): Likewise for inform.
(check_goto, start_decl, check_for_uninitialized_const_var,
start_preparsed_function, finish_function§): Likewise.
* decl2.c (build_anon_union_vars, c_parse_final_cleanups): Likewise.
* init.c (sort_mem_initializers): Likewise.
* typeck.c (convert_for_initialization): Likewise for inform.
(maybe_warn_about_returning_address_of_local): Likewise.
* typeck2.c (abstract_virtuals_error_sfinae): Likewise for inform.
(cxx_incomplete_type_diagnostic): Likewise for emit_diagnostic.

From-SVN: r226234

pr66140.c (lpfc_bg_setup_bpl): Use unsigned immediates to avoid shift-overflow warnings.

* gcc.target/alpha/pr66140.c (lpfc_bg_setup_bpl): Use unsigned
immediates to avoid shift-overflow warnings.

From-SVN: r226233

alpha.c: Use SUBREG_P predicate.

* config/alpha/alpha.c: Use SUBREG_P predicate.
* config/alpha/predicates.md: Ditto.

From-SVN: r226232

Daily bump.

From-SVN: r226231

re PR c++/66857 (Reference not bound to lvalue)

Fix PR c++/66857

gcc/cp/ChangeLog:

PR c++/66857
* cvt.c (ocp_convert): Don't call scalar_constant_value when
converting to a class type.

gcc/testsuite/ChangeLog:

PR c++/66857
* g++.dg/init/pr66857.C: New test.

From-SVN: r226228

S390: Clean up cross-compile for S390.

gcc/ChangeLog

* config.host (s390*-*-*): Include driver-native.c only when
building with s390* as host *and* target.

From-SVN: r226223

re PR target/66930 (gengtype.c is miscompiled during stage2)

gcc/
PR target/66930
* config/sh/sh.c (sh_split_movrt_negc_to_movt_xor): Add missing
T bit register modified_between_p check.

From-SVN: r226218

ChangeLog: Fix whitespace.

* ChangeLog: Fix whitespace.
* testsuite/ChangeLog: Ditto.

From-SVN: r226217

i386.c: Use SUBREG_P predicate.

* config/i386/i386.c: Use SUBREG_P predicate.
* config/i386/i386.md: Ditto.
* config/i386/sse.md: Ditto.
* config/i386/predicates.md: Ditto.

From-SVN: r226216

re PR target/67004 (valgrind error in recog_memoized & shorten_branches)

PR target/67004
* config/i386/i386.h (ADJUST_INSN_LENGTH): Use NONDEBUG_INSN_P (INSN)
predicate and INSN_CODE (INSN) >= 0 to check for valid instruction.

From-SVN: r226215

remove tree-browser

* Makefile.in: Remove use of TREEBROWSER.
* config.in: Regenerated.
* configure: Regenerated.
* configure.ac: Remove definition of TREEBROWSER.
* tree-browser.c: Removed.
* tree-browser.def: Removed.

From-SVN: r226214

dump reasons why graphite failed to detect a scop

When trying to analyze why Graphite does not handle a loop nest, it is easy to
look in the dumps of -fdump-tree-graphite-all to guess what has to be changed to
catch the loop.  This patch makes the dumps a bit more verbose and useful.

* graphite-scop-detection.c: Include gimple-pretty-print.h.
(stmt_simple_for_scop_p): Print when a stmt is not handled in Graphite.
(scopdet_basic_block_info): Print when a loop or bb cannot be
represented in Graphite.

From-SVN: r226213

re PR target/66648 (incorrect memcpy expansion with unrolled_loop strategy at -O2)

PR target/66648
* config/i386/i386.c (ix86_expand_set_or_movmem): Emit main loop
execution guard when min_size is less than size_needed.

testsuite/ChangeLog:

PR target/66648
* gcc.target/i386/pr66648.c: New test.

From-SVN: r226212

update doc for supported isl versions

       * doc/install.texi: Document supported versions of ISL.

From-SVN: r226211

Fixup graphite/uns-*.c testcases

2015-07-25  Tom de Vries  <tom@codesourcery.com>

* gcc.dg/graphite/graphite.exp: Include uns-*.c files in
interchange_files and block_files variables.
* gcc.dg/graphite/uns-block-1.c (main): Change signed into unsigned
arithmetic.
* gcc.dg/graphite/uns-interchange-12.c: Same.
* gcc.dg/graphite/uns-interchange-14.c: Same.
* gcc.dg/graphite/uns-interchange-15.c: Same.
* gcc.dg/graphite/uns-interchange-9.c (foo): Same.
* gcc.dg/graphite/uns-interchange-mvt.c: Same.

From-SVN: r226209

re PR c++/64969 (generic functions do not work with placeholder return types)

PR c++/64969
* pt.c (splice_late_return_type): Correct deduced return type for
abbreviated function template.

From-SVN: r226208

re PR c++/64989 (constant-initialization of self-referencing array)

PR c++/64989
* pt.c (splice_late_return_type): Correct deduced return type for
abbreviated function template.

From-SVN: r226207

revert: re PR lto/66752 (spec2000 255.vortex performance compiled with GCC is ~20% lower than with CLANG)

Revert:
        PR lto/66752
        * tree-ssa-threadedge.c (simplify_conrol_stmt_condition): If we are
        unable to find X NE 0 in the tables, return X as the simplified
        condition.
        (fsm_find_control_statement_thread_paths): If nodes in NEXT_PATH are
        in VISISTED_BBS, then return failure.  Else add nodes from NEXT_PATH
        to VISISTED_BBS.  */
        * tree-ssa-threadupdate.c (duplicate_thread_path): Fix up edge flags
        after removing the control flow statement and unnecessary edges.

    testsuite/
        PR lto/66752
        * gcc.dg/tree-ssa/pr66752-2.c: New test.
        * gcc.dg/torture/pr66752-1.c: New test
        * g++.dg/torture/pr66752-2.C: New test.

From-SVN: r226206

Revert:

2015-07-23  Alexandre Oliva <aoliva@redhat.com>

From-SVN: r226202

Daily bump.

From-SVN: r226199

syscall:  Add ioctl consts from if_tun.h

    During the gccgo build define constants from
    some header files are processed by mksysinfo.sh and
    added to syscall.go.  In some cases the constants
    are based on macros which are not processed
    correctly by mksysinfo.sh.  This adds the support
    to generate the correct values for the TUN* constants
    from linux/if_tun.h.

    Fixes golang/go#11707

    Reviewed-on: https://go-review.googlesource.com/12491

From-SVN: r226196

i386.c (ix86_va_start): Remove unneeded !TARGET_64BIT check.

* config/i386/i386.c (ix86_va_start): Remove
unneeded !TARGET_64BIT check.
(ix86_gimplify_va_arg): Ditto.

From-SVN: r226195

Enable reductions without fassociative-math in graphite

2015-07-24  Tom de Vries  <tom@codesourcery.com>

* graphite-sese-to-poly.c (build_poly_scop): Always call
rewrite_commutative_reductions_out_of_ssa.

From-SVN: r226194

Don't allow unsafe reductions in graphite

2015-07-24  Tom de Vries  <tom@codesourcery.com>

* graphite-sese-to-poly.c (is_reduction_operation_p): Limit
flag_associative_math to FLOAT_TYPE_P.  Honour
TYPE_OVERFLOW_WRAPS for INTEGRAL_TYPE_P. Don't allow any other types.

* gcc.dg/graphite/block-1.c: Xfail scan.
* gcc.dg/graphite/interchange-12.c: Same.
* gcc.dg/graphite/interchange-14.c: Same.
* gcc.dg/graphite/interchange-15.c: Same.
* gcc.dg/graphite/interchange-9.c: Same.
* gcc.dg/graphite/interchange-mvt.c: Same.
* gcc.dg/graphite/uns-block-1.c: New test.
* gcc.dg/graphite/uns-interchange-12.c: New test.
* gcc.dg/graphite/uns-interchange-14.c: New test.
* gcc.dg/graphite/uns-interchange-15.c: New test.
* gcc.dg/graphite/uns-interchange-9.c: New test.
* gcc.dg/graphite/uns-interchange-mvt.c: New test.

From-SVN: r226193

re PR c++/64079 (%+D in diagnostics breaks pragma GCC diagnostic)

2015-07-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

PR c++/64079
* toplev.c (check_global_declaration): Use DECL_SOURCE_LOCATION
and "%qD" in warning_at instead of "%q+D" in warning.

/testsuite
2015-07-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

PR c++/64079
* c-c++-common/Wunused-function-1.c: New.

From-SVN: r226191

i386.c (ix86_call_abi_override): Call ix86_function_abi.

* config/i386/i386.c (ix86_call_abi_override): Call ix86_function_abi.
(ix86_function_abi): Cleanup.

From-SVN: r226187

compiler: Don't parse malformed receiver/parameters.

    Fixes golang/go#11576.

    Reviewed-on: https://go-review.googlesource.com/12157

From-SVN: r226185

compiler: Disallow rune literals with '\X'.

    http://golang.org/ref/spec#Rune_literals states that rune literals
    encoded as hex bytes must begin with lowercase '\x'.
    Fixes golang/go#11575.

    Reviewed-on: https://go-review.googlesource.com/12158

From-SVN: r226184

re PR other/66259 (Combined gcc and binutils build from git-master fails, with gas/as-new not existing)

PR other/66259
* config-ml.in: Reflects renaming of configure.in to configure.ac
* configure: Likewise
* configure.ac: Likewise

boehm-gc/

PR other/66259
* Makefile.direct: Reflects renaming of configure.in to configure.ac
* Makefile.dist: Likewise
* version.h: Likewise
* doc/README: Likewise

config/

PR other/66259
* gettext.m4: Reflects renaming of configure.in to configure.ac
* po.m4: Likewise
* stdint.m4: Likewise
* tcl.m4: Likewise

gcc/

PR other/66259
* acinclude.m4: Reflects renaming of configure.in to configure.ac
* configure: Likewise
* configure.ac: Likewise
* doc/install.texi: Likewise
* doc/tm.texi: Likewise
* doc/tm.texi.in: Likewise

gcc/ada/

PR other/66259
* prj-nmsc.adb: Reflects renaming of configure.in to configure.ac
* gcc-interface/Makefile.in: Likewise

intl/

PR other/66259
* configure: Reflects renaming of configure.in to configure.ac

libjava/

PR other/66259
* configure: Reflects renaming of configure.in to configure.ac

libjava/classpath

PR other/66259
* INSTALL: Reflects renaming of configure.in to configure.ac
* ltconfig: Likewise
* missing: Likewise
* m4/ac_prog_javac.m4: Likewise
* m4/ac_prog/javac_works.m4: Likewise
* resource/META-INF/mimetypes.default: Likewise

libjava/libltdl

PR other/66259
* THREADS: Reflects renaming of configure.in to configure.ac

liboffloadmic/

PR other/66259
* configure: Reflects renaming of configure.in to configure.ac

From-SVN: r226183

compiler: Don't make temporaries for constant expressions.

    Fixes golang/go#11039.

    Reviewed-on: https://go-review.googlesource.com/10645

From-SVN: r226180

[obvious] Use std::swap instead of manually swapping in a few more places

* alias.c (nonoverlapping_memrefs_p): Use std::swap instead of
manually swapping values.
* cse.c (fold_rtx): Likewise.
* lra-eliminations.c (form_sum): Likewise.

From-SVN: r226179

* nl.po: Update.

From-SVN: r226177

be.po, [...]: Update.

* be.po, da.po, de.po, el.po, es.po, fi.po, fr.po, hr.po, id.po,
ja.po, nl.po, ru.po, sr.po, sv.po, tr.po, vi.po, zh_CN.po,
zh_TW.po: Update.
* uk.po: New file.

From-SVN: r226175