gimple-fold.c (fold_gimple_assign): Remove folding of GIMPLE_BINARY_RHS.

2015-07-31  Richard Biener  <rguenther@suse.de>

* gimple-fold.c (fold_gimple_assign): Remove folding of
GIMPLE_BINARY_RHS.

From-SVN: r226429

go-lang.c (go_langhook_init_options_struct): Don't set x_flag_split_stack.

* go-lang.c (go_langhook_init_options_struct): Don't set
x_flag_split_stack.
(go_langhook_post_options): Set it here instead.

From-SVN: r226428

Don't cancel loop tree in parloops

2015-07-31  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/66846
* omp-low.c (expand_omp_taskreg) [ENABLE_CHECKING]: Call
verify_loop_structure for child_cfun if !LOOPS_NEED_FIXUP.
(expand_omp_target) [ENABLE_CHECKING]: Same.
(execute_expand_omp) [ENABLE_CHECKING]: Call verify_loop_structure for
cfun if !LOOPS_NEED_FIXUP.
(expand_omp_for_static_nochunk): Handle simple latch bb.  Handle case
that omp_for already has its own loop struct.
* tree-parloops.c (create_phi_for_local_result)
(create_call_for_reduction): Handle simple latch bb.
(create_parallel_loop): Add simple latch bb to preserve
LOOPS_HAVE_SIMPLE_LATCHES.  Record new exit.  Handle simple latch bb.
(gen_parallel_loop): Remove call to cancel_loop_tree.
(parallelize_loops): Skip loops that are inner loops of parallelized
loops.
(pass_parallelize_loops::execute) [ENABLE_CHECKING]: Call
verify_loop_structure.

From-SVN: r226427

* sv.po: Update.

From-SVN: r226425

* sv.po: Update.

From-SVN: r226423

Daily bump.

From-SVN: r226422

[V850] Hookize LIBCALL_VALUE

From-SVN: r226418

Use lowpart_subreg instead of simplify_gen_subreg

From-SVN: r226417

c-pretty-print.c (unary_expression): Don't print '*' for reference decay.

* c-pretty-print.c (unary_expression) [INDIRECT_REF]: Don't print
'*' for reference decay.

From-SVN: r226410

* gcc.target/i386/pr66648.c: Move to correct place.

From-SVN: r226409

[AArch64] Removed unused VRL2/3/4 iterator values

* config/aarch64/iterators.md (VRL2, VRL3, VRL4): Remove values for
128-bit vector modes.

From-SVN: r226408

builtins.c (HAVE_atomic_clear, [...]): Delete.

gcc/
* builtins.c (HAVE_atomic_clear, gen_atomic_clear): Delete.
(expand_builtin_atomic_clear): Remove support for atomic_clear
pattern.

From-SVN: r226405

gimple-fold.c (fold_gimple_assign): Only fold !tcc_comparison binaries.

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

current_path.cc: Use canonical paths for comparisons.

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

From-SVN: r226402

genmatch.c (decision_tree::gen_gimple): Merge with ...

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

regex_automaton.h (_State_base, _State<>): Remove _TraitsT dependency from _State<>...

* 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

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