cpp.texi (Search Path): Hyphenate "command-line" when used as an adjective.

2015-03-22  Sandra Loosemore  <sandra@codesourcery.com>

gcc/
* doc/cpp.texi (Search Path): Hyphenate "command-line" when used
as an adjective.
(System Headers): Likewise.
(Ifdef): Likewise.
(Traditional macros): Likewise.
(Invocation): Likewise.
(Option Index): Likewise.
* doc/cppopts.texi (-M): Likewise.
(-finput-charset): Likewise.
(--help): Likewise.
* doc.invoke.texi (AVR Options): Likewise.
(V850 Options): Likewise.

From-SVN: r221583

re PR lto/65475 (ICE in odr_vtable_hasher::equal (Segmentation fault))

PR ipa/65475
* ipa-devirt.c: Include demangle.h
(odr_type_d): Add field rtti_broken.
(odr_subtypes_equivalent_p): Do not require name to match.
(compare_virtual_tables): Fix typo; if type already has ODR violation,
bypass the tests; be ready for function referneces in vtables that are
not DECL_VIRTUAL; make warnings to be OPT_Wodr.
(warn_odr): Give up for nameless types.
(warn_types_mismatch): Report mismatch in mangled names;
report mismatch in anonymous namespaces; look into component types to
give useful error; report when mismatch is dragged in from other ODR
type.
(odr_types_equivalent_p): Match types for being polymorphic; avoid
duplicated diagnostics.
(add_type_duplicate): Reorder checks so more informative ones come
first; fix typo; do not output "the extra base is defined here" when
we did not warn.
(BINFO_N_BASE_BINFOS): Relax sanity check.
* g++.dg/lto/pr65475b_0.C: New testcase.
* g++.dg/lto/pr65475b_1.C: New testcase.
* g++.dg/lto/pr65475c_0.C: New testcase.
* g++.dg/lto/pr65475c_1.C: New testcase.

From-SVN: r221582

Daily bump.

From-SVN: r221581

Speed-up def_builtin_const (ix86_valid_target_attribute).

* config/i386/i386.c (def_builtin): Set deferred_isa_values for
masks that can potentially include a builtin.
(ix86_add_new_builtins): Introduce fast filter for isa values
that cannot trigger builtin inclusion.

From-SVN: r221577

IPA ICF: include hash values of references.

* ipa-icf.c (sem_item::update_hash_by_addr_refs): New function.
(sem_item::update_hash_by_local_refs): Likewise.
(sem_variable::get_hash): Empty line is fixed.
(sem_item_optimizer::execute): Include adding of hash references.
(sem_item_optimizer::update_hash_by_addr_refs): New function.
(sem_item_optimizer::build_hash_based_classes): Use local hash.
* ipa-icf.h (sem_item::update_hash_by_addr_refs): New function.
(sem_item::update_hash_by_local_refs): Likewise.

From-SVN: r221576

re PR libfortran/59513 (Fortran runtime error: Sequential READ or WRITE not allowed after EOF marker, possibly use REWIND or BACKSPACE)

2015-03-22 Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libgfortran/59513
* gfortran.texi (Read/Write after EOF marker): New information.

From-SVN: r221575

re PR ipa/65502 (pure-const should play well with clobbers.)

PR ipa/65502
* ipa-comdats.c (enqueue_references): Walk through thunks.
(ipa_comdats): Likewise.
(set_comdat_group_1): New function.

From-SVN: r221574

add forgoten entry.

From-SVN: r221573

re PR libfortran/59513 (Fortran runtime error: Sequential READ or WRITE not allowed after EOF marker, possibly use REWIND or BACKSPACE)

2015-03-22 Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libgfortran/59513
* io/transfer.c (data_transfer_init): Do not error for
-std=legacy.

From-SVN: r221572

contrib.texi (Contributors): Update entry for Danny Smith.

* doc/contrib.texi (Contributors): Update entry for Danny Smith.

Co-Authored-By: Gerald Pfeifer <gerald@pfeifer.com>
From-SVN: r221570

nios2-protos.h (nios2_adjust_call_address): Adjust function parameter declaration.

2015-03-21  Chung-Lin Tang  <cltang@codesourcery.com>
    Sandra Loosemore  <sandra@codesourcery.com>

gcc/
* config/nios2/nios2-protos.h (nios2_adjust_call_address): Adjust
function parameter declaration.
* config/nios2/nios2.md (call,call_value,sibcall,sibcall_value):
Update arguments to nios2_adjust_call_address().
(sibcall_internal): Rename from *sibcall.
(sibcall_value_internal): Rename from *sibcall_value.
* config/nios2/nios2.c (nios2_emit_add_constant): New function.
(nios2_large_got_address): Add target temp reg parameter.
(nios2_got_address): Adjust call to nios2_large_got_address, add
force_reg around it.
(nios2_load_pic_address): Add target temp reg parameter, replace call
to nios2_got_address with corresponding code.
(nios2_legitimize_constant_address): Update call to
nios2_load_pic_address.
(nios2_adjust_call_address): Add temp reg parameter, update PIC case
to use temp reg for PIC loading purposes.
(nios2_asm_output_mi_thunk): Implement TARGET_ASM_OUTPUT_MI_THUNK.
(TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
(TARGET_ASM_OUTPUT_MI_THUNK): Likewise.

Co-Authored-By: Sandra Loosemore <sandra@codesourcery.com>
From-SVN: r221569

Daily bump.

From-SVN: r221568

invoke.texi (-fno-diagnostics-show-caret): Fix usage of "the @option{...}".

2015-03-21  Sandra Loosemore  <sandra@codesourcery.com>

gcc/
* doc/invoke.texi (-fno-diagnostics-show-caret): Fix
usage of "the @option{...}".
(-Wopenmp-simd): Likewise.
(-fsanitize-recover): Likewise.
(-fsanitize-undefined-trap-on-error): Likewise.
(-flto): Likewise.
(tracer-dynamic-coverage-feedback): Likewise.
(reorder-block-duplicate-feedback): Likewise.
(loop-unroll-jam-size): Likewise.
(-B): Likewise.
(-I-): Likewise.
(-mabs=legacy): Likewise.
(-mupper-regs-df): Likewise.
(-mupper-regs-sf): Likewise.
(-mpointers-to-nested-functions): Likewise.

From-SVN: r221564

extend.texi (Cilk Plus Builtins): Add markup.

2015-03-21  Sandra Loosemore  <sandra@codesourcery.com>

gcc/
* doc/extend.texi (Cilk Plus Builtins): Add markup.

From-SVN: r221559

invoke.texi (-fcheck-pointer-bounds): Copy-edit, add additional index entries and cross-references.

2015-03-21  Sandra Loosemore  <sandra@codesourcery.com>

gcc/
* doc/invoke.texi (-fcheck-pointer-bounds): Copy-edit, add
additional index entries and cross-references.
(-fchkp-check-incomplete-type): Likewise.
(-fchkp-first-field-has-own-bounds): Likewise.
(-fchkp-narrow-to-innermost-array): Likewise.
(-fchkp-use-fast-string-functions): Likewise.
(-fchkp-use-nochk-string-functions): Likewise.
(-fchkp-use-static-const-bounds): Likewise.
(-fchkp-treat-zero-dynamic-size-as-infinite): Likewise.
(-fchkp-instrument-marked-only): Likewise.
(-fchkp-use-wrappers): Likewise.
(-static-libmpx): Likewise.
(-static-libmpxwrappers): Likewise.
* doc/extend.texi (bnd_legacy): Likewise.
(bnd_instrument): Likewise.
(bnd_variable_size): Likewise.
(Pointer Bounds Checker builtins): Likewise.

From-SVN: r221558

reduction-4.c: Don't run on hppa*-*-hpux*.

* testsuite/libgomp.oacc-c-c++-common/reduction-4.c: Don't run on
hppa*-*-hpux*.

From-SVN: r221557

Fix ChangeLog year

From-SVN: r221554

Fix ChangeLog formatting

From-SVN: r221553

Put @{xxx} in one line

* gfortran.texi (_gfortran_caf_sync_memory): Put @{xxx} in one
line.

From-SVN: r221552

Mark omp thread functions as parallelized

2015-03-21  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/65458
* cgraph.c (cgraph_node::dump): Handle parallelized_function field.
* cgraph.h (cgraph_node): Add parallelized_function field.
* lto-cgraph.c (lto_output_node): Write parallelized_function field.
(input_overwrite_node): Read parallelized_function field.
* omp-low.c (expand_omp_taskreg, finalize_task_copyfn): Set
parallelized_function on cgraph_node for child_fn.
* tree-parloops.c: Add include of plugin-api.h, ipa-ref.h and cgraph.h.
Remove include of gt-tree-parloops.h.
(parallelized_functions): Remove static variable.
(parallelized_function_p): Rewrite using parallelized_function field of
cgraph_node.
(create_loop_fn): Remove adding to parallelized_functions.
* Makefile.in (GTFILES): Remove tree-parloops.c

From-SVN: r221551

2015-03-21  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (_gfortran_caf_sync_all,
        * _gfortran_caf_sync_images,
        _gfortran_caf_sync_memory, _gfortran_caf_error_stop,
        _gfortran_caf_error_stop_str, _gfortran_caf_atomic_define,
        _gfortran_caf_atomic_ref, _gfortran_caf_atomic_cas,
        _gfortran_caf_atomic_op): New sections.

From-SVN: r221550

trans-expr.c (gfc_get_tree_for_caf_expr): Reject unimplemented coindexed coarray accesses.

2015-03-21  Tobias Burnus  <burnus@net-b.de>

        * trans-expr.c (gfc_get_tree_for_caf_expr): Reject unimplemented
        coindexed coarray accesses.

2015-03-21  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/coarray_38.f90: New.
        * gfortran.dg/coarray_39.f90: New.
        * gfortran.dg/coarray/coindexed_3.f90: Add dg-error, turn into
        compile test.

From-SVN: r221549

Daily bump.

From-SVN: r221547

re PR c++/65398 ([C++11] GCC rejects constexpr variable definitions with valid initialization)

PR c++/65398
* constexpr.c (cxx_fold_indirect_ref): Transform *(&A[i] p+ j) into
A[i + j].

* g++.dg/cpp0x/pr65398.C: New test.

From-SVN: r221544

re PR lto/65475 (ICE in odr_vtable_hasher::equal (Segmentation fault))

PR ipa/65475
* ipa-devirt.c (add_type_duplicate): Prevail polymorphic type over
non-polymorphic
* g++.dg/lto/pr65475_0.C: New testcase.
* g++.dg/lto/pr65475_1.C: New testcase.

From-SVN: r221542

re PR rtl-optimization/64366 (Segmentation fault in remove_pseudos)

2015-03-20  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/64366
* lra.c (lra_update_insn_regno_info): Consider regs in
CALL_INSN_FUNCTION_USAGE memory.

2015-03-20  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/64366
* gcc.target/sh/pr64366.c: New.

From-SVN: r221541

re PR c++/48324 ([C++0x] constexpr evaluation should respect lifetime rules)

2015-03-20  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/48324
* g++.dg/cpp0x/constexpr-48324.C: New.

From-SVN: r221539

[Patch Testsuite] Make all_attributes.cc in to (almost_)all_attributes.cc for ARM.

* testsuite/17_intro/headers/c++1998/all_attributes.cc: Disable
test for unused for ARM.
* testsuite/17_intro/headers/c++200x/all_attributes.cc: Likewise.
* testsuite/17_intro/headers/c++2014/all_attributes.cc: Likewise.

From-SVN: r221538

re PR c++/48453 ([C++0x] [DR 1287] Invalid reference initialization via explicit conversion)

2015-03-20  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/48453
* g++.dg/cpp0x/pr48453.C: New.

From-SVN: r221537

re PR c++/65072 (Segfault when parsing dectlype in trailing return type)

PR c++/65072
* typeck.c (lookup_anon_field): Make sure we're dealing with the main
variant.

* g++.dg/cpp0x/pr65072.C: New test.

From-SVN: r221535

c++config (__gnu_cxx::__cxx11): Define new namespace.

* include/bits/c++config (__gnu_cxx::__cxx11): Define new namespace.
* include/ext/codecvt_specializations.h (encoding_state,
encoding_char_traits): Remove abi-tag and use inline namespace.
* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust dg-error line.

From-SVN: r221533

re PR tree-optimization/64715 (__builtin_object_size (..., 1) fails to locate subobject)

2015-03-20  Richard Biener  <rguenther@suse.de>

PR middle-end/64715
* tree-chrec.c (chrec_fold_poly_cst): Use useless_type_conversion_p
for type comparison and gcc_checking_assert.
(chrec_fold_plus_poly_poly): Likewise.
(chrec_fold_multiply_poly_poly): Likewise.
(chrec_convert_1): Likewise.
* gimplify.c (gimplify_expr): Remove premature folding of
&X + CST to &MEM[&X, CST].

* gcc.dg/pr15347.c: Use -O.
* c-c++-common/pr19807-1.c: Likewise.

From-SVN: r221532

re PR ada/65451 (compiler crash on volatile access type)

PR ada/65451
* gcc-interface/utils.c (gnat_pushdecl): Tidy up and improve comment.
Make sure to chain only main variants through TYPE_NEXT_PTR_TO.

From-SVN: r221531

ipa-inline.c (can_inline_edge_p): Short circuit if inline_failed already is final.

* ipa-inline.c (can_inline_edge_p): Short circuit if inline_failed
already is final.
(ipa_inline): Recompute inline_failed codes.
* cif-code.def (FUNCTION_NOT_OPTIMIZED, REDEFINED_EXTERN_INLINE,
USES_COMDAT_LOCAL, ATTRIBUTE_MISMATCH, UNREACHABLE): Declare as
CIF_FINAL_ERROR.

From-SVN: r221530

re PR rtl-optimization/60851 (ICE: in extract_constrain_insn_cached, at recog.c:2117 with -flive-range-shrinkage -mdispatch-scheduler -march=bdver4)

PR rtl-optimization/60851
* recog.c (constrain_operands): Accept a pseudo register before reload
for LRA enabled targets.

testsuite/ChangeLog:

PR rtl-optimization/60851
* gcc.target/i386/pr60851.c: New test.

From-SVN: r221529

Add missed ChangeLog entry for revision 221552.

From-SVN: r221528

Daily bump.

From-SVN: r221527

re PR target/65240 (ICE (insn does not satisfy its constraints) on powerpc64le-linux-gnu)

[gcc]
2015-03-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/65240
* config/rs6000/predicates.md (easy_fp_constant): Remove special
-ffast-math handling that kept non-0 constants live in the RTL
until reload.  Remove logic testing the number of instructions it
took to create a constant in a GPR that was never used, due to a
test for soft-float earlier.
(memory_fp_constant): Delete, no longer used.

* config/rs6000/rs6000.md (mov<MODE>_hardfloat): Remove
alternatives for loading non-0 constants into GPRs for hard
floating point that is no longer needed due to changes in
easy_fp_constant.  Add support for loading 0.0 into GPRs.
(mov<mode>_hardfloat32): Likewise.
(mov<mode>_hardfloat64): Likewise.
(mov<mode>_64bit_dm): Likewise.
(movtd_64bit_nodm): Likewise.
(pre-reload move FP constant define_split): Delete define_split,
since it is no longer used.
(extenddftf2_internal): Remove GHF constraints that are not valid
for extenddftf2.

[gcc/testsuite]
2015-03-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/65240
* gcc/testsuite/g++.dg/pr65240.h: Add tests for PR 65240.
* gcc/testsuite/g++.dg/pr65240-1.C: Likewise.
* gcc/testsuite/g++.dg/pr65240-2.C: Likewise.
* gcc/testsuite/g++.dg/pr65240-3.C: Likewise.
* gcc/testsuite/g++.dg/pr65240-4.C: Likewise.

From-SVN: r221524

re PR rtl-optimization/63491 (Ice in LRA with simple vector test case on power)

2015-03-19  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/63491
* lra-constraints.c (check_and_process_move): Use src instead of
sreg.  Remove some dead code.

2015-03-19  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/63491
* gcc.target/powerpc/pr63491.c: New.

From-SVN: r221522

re PR c++/65046 (-Wabi-tag doesn't warn about variables or function return types)

PR c++/65046
Automatically propagate ABI tags to variables and functions
from their (return) type.
* class.c (check_tag): Handle variables and functions.
(mark_or_check_attr_tags): Split out from find_abi_tags_r.
(mark_or_check_tags): Likewise.
(mark_abi_tags): Use it.  Rename from mark_type_abi_tags.
(check_abi_tags): Add single argument overload for decls.
Handle inheriting tags for decls.
* mangle.c (write_mangled_name): Call it.
(mangle_return_type_p): Split out from write_encoding.
(unmangled_name_p): Split out from write_mangled_name.
(write_mangled_name): Ignore abi_tag on namespace.
* cp-tree.h (NAMESPACE_IS_INLINE): Replace NAMESPACE_ABI_TAG.
* parser.c (cp_parser_namespace_definition): Set it.
* name-lookup.c (handle_namespace_attrs): Use arguments. Warn
about abi_tag attribute on non-inline namespace.
* tree.c (check_abi_tag_args): Split out from handle_abi_tag_attribute.
(handle_abi_tag_attribute): Allow tags on variables.

From-SVN: r221521

c-decl.c (c_decl_attributes): Also add "omp declare target" attribute for DECL_EXTERNAL VAR_DECLs.

* c-decl.c (c_decl_attributes): Also add "omp declare target"
attribute for DECL_EXTERNAL VAR_DECLs.

* decl2.c (cplus_decl_attributes): Also add "omp declare target"
attribute for DECL_EXTERNAL VAR_DECLs.

* testsuite/libgomp.c/target-10.c: New test.
* testsuite/libgomp.c++/target-4.C: New test.

From-SVN: r221520

re PR lto/65380 ([ICF] LTO: ICE in add_symbol_to_partition_1, at lto/lto-partition.c:158)

Fix PR ipa/65380.

PR ipa/65380
* ipa-icf.c (sem_function::merge): Do not merge DECL_EXTERNAL symbols.
(sem_variable::merge): Likewise.

From-SVN: r221519

re PR ipa/65465 (Internal compiler error: in build2_stIat)

Fix for PR ipa/65465.

PR ipa/65465
* cgraphunit.c (cgraph_node::create_wrapper): Correctly reset
all fields of cgraph_thunk_info.
* g++.dg/ipa/pr65465.C: New test.

From-SVN: r221518

ipa-chkp.c (chkp_maybe_create_clone): Don't try to clone instrumented thunks.

* ipa-chkp.c (chkp_maybe_create_clone): Don't try to
clone instrumented thunks.

From-SVN: r221516

revert: re PR middle-end/63155 (memory hog)

2015-03-19  Richard Biener  <rguenther@suse.de>

Revert
2015-03-10  Richard Biener  <rguenther@suse.de>

PR middle-end/63155
* tree-ssa-coalesce.h (verify_ssa_coalescing): Declare.
* tree-ssa-coalesce.c: Include timevar.h.
(attempt_coalesce): Handle graph being NULL.
(coalesce_partitions): Call verify_ssa_coalescing if ENABLE_CHECKING.
Split out abnormal coalescing to ...
(perform_abnormal_coalescing): ... this function.
(coalesce_ssa_name): Perform abnormal coalescing without computing
live/conflict.
(verify_ssa_coalescing_worker): New function.
(verify_ssa_coalescing): Likewise.

From-SVN: r221515

partition.h (struct partition_elem): Re-order elements to avoid padding.

2015-03-19  Richard Biener  <rguenther@suse.de>

* partition.h (struct partition_elem): Re-order elements to
avoid padding.

From-SVN: r221514

re PR c++/52659 (GCC fails to reject a deleted function definition which is not the first declaration)

2015-03-19  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/52659
* g++.dg/cpp0x/deleted11.C: New.

From-SVN: r221513

re PR sanitizer/65400 (tsan mis-compiles inlineable C functions)

PR sanitizer/65400
* tsan.c (instrument_gimple): Clear tail call flag on
calls.

* c-c++-common/tsan/pr65400-3.c: New test.

From-SVN: r221512

re PR c++/59686 (Non-constexpr pointers accepted in constant expressions)

2015-03-19  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/59686
* g++.dg/cpp0x/constexpr-59686.C: New.

From-SVN: r221510

re PR sanitizer/64265 (r217669 broke tsan)

PR sanitizer/64265
* g++.dg/tsan/pr64265.C: New test.

From-SVN: r221509

re PR sanitizer/65400 (tsan mis-compiles inlineable C functions)

PR sanitizer/65400
* ipa-split.c (find_return_bb): Allow TSAN_FUNC_EXIT internal
call in the return bb.
(find_split_points): Add RETURN_BB argument, don't call
find_return_bb.
(split_function): Likewise.  Add ADD_TSAN_FUNC_EXIT argument,
if true append TSAN_FUNC_EXIT internal call after the call to
the split off function.
(execute_split_functions): Call find_return_bb here.
Don't optimize if TSAN_FUNC_EXIT is found in unexpected places.
Adjust find_split_points and split_function calls.

* c-c++-common/tsan/pr65400-1.c: New test.
* c-c++-common/tsan/pr65400-2.c: New test.

From-SVN: r221508

rl78-virt.md (andqi3_virt): Allow far operands.

* config/rl78/rl78-virt.md (andqi3_virt): Allow far operands.
(iorqi3_virt): Likewise.

From-SVN: r221506

Daily bump.

From-SVN: r221505

re PR c++/59816 ([c++11] Incorrect visibility check in template instantiation when the default constructor is a variadic template.)

2015-03-18  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/59816
* g++.dg/cpp0x/pr59816.C: New.

From-SVN: r221502

re PR fortran/59198 (ICE on cyclically dependent polymorphic types)

2014-03-18  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/59198
* gfortran.dg/proc_ptr_comp_45.f90 : Make tests fuzzy.

From-SVN: r221501

re PR ipa/65439 (FAIL: g++.dg/ipa/ipa-icf-4.C  -std=gnu++98  scan-ipa-dump icf "Equal symbols: 6")

Fix PR65439.

PR ipa/65439
* g++.dg/ipa/ipa-icf-4.C: Extend expected number of
equivalences either to 6 or 7.

M    gcc/testsuite/ChangeLog
M    gcc/testsuite/g++.dg/ipa/ipa-icf-4.C

From-SVN: r221500

Make parallelize_loops static

2015-03-18  Tom de Vries  <tom@codesourcery.com>

* tree-parloops.c (parallelize_loops): Make static.
* tree-parloops.h (parallelize_loops): Remove extern declaration.

From-SVN: r221498

re PR c++/65046 (-Wabi-tag doesn't warn about variables or function return types)

PR c++/65046
* config/locale/gnu/messages_members.cc (Catalog_info, Catalogs,
get_catalogs): Add abi-tag.
* include/ext/codecvt_specializations.h (encoding_state,
encoding_char_traits): Likewise.
* src/c++11/cxx11-ios_failure.cc (io_error_category): Likewise.
* src/c++11/cxx11-shim_facets.cc (__any_string::operator basic_string,
numpunct_shim, collate_shim, time_get_shim, moneypunct_shim,
money_get_shim, money_put_shim, messages_shim): Likewise.
* src/c++11/future.cc (future_error_category::message): Likewise.
* src/c++11/system_error.cc (generic_error_category::message,
system_error_category::message): Likewise.
(__sso_string): Disable -Wabi-tag warnings.

From-SVN: r221497

re PR libstdc++/13631 (Problems in messages)

PR libstdc++/13631
* config/locale/gnu/messages_members.cc (get_glibc_msg): Fix fallback
implementation for old glibc. Fix whitespace.

From-SVN: r221494

re PR middle-end/64491 (incorrect warning: loop exit may only be reached after undefined behavior)

Fix PR64491

2015-03-18  Andrew Stubbs  <ams@codesourcery.com>

PR middle-end/64491
Revert:
2014-11-20  Andrew Stubbs  <ams@codesourcery.com>

* tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Warn if a loop
condition would be removed due to undefined behaviour.

2015-03-18  Andrew Stubbs  <ams@codesourcery.com>

PR middle-end/64491
Revert:
2014-11-20  Andrew Stubbs  <ams@codesourcery.com>

* gcc.dg/undefined-loop-1.c: New file.
* gcc.dg/undefined-loop-2.c: New file.

2014-12-24  Andrew Stubbs  <ams@codesourcery.com>

PR testsuite/64032
* gcc.dg/undefined-loop-2.c: Don't allow GCC to optimize away the
loop exits too early.

From-SVN: r221492

re PR ipa/65432 (Invalid read of size 1: ipa_icf::sem_item_optimizer::merge_classes(unsigned int) (ipa-icf.c:2958))

Fix PR ipa/65432

PR ipa/65432
* cgraph.c (cgraph_node::get_create): Remove unnecessary
xstrdup_for_dump wrapper.
* ipa-icf.c (sem_item::dump): Use symtab_node::name instead of
sem_item::name.
(sem_function::equals): Wrap symtab_node::name and symtab_node::asm_name
with xstrdup_for_dump.
(sem_variable::equals): Likewise.
(sem_item_optimizer::read_section): Use symtab_node::name instead of
sem_item::name.
(sem_item_optimizer::parse_funcs_and_vars): Likewise.
(sem_item_optimizer::merge_classes): Wrap symtab_node::name and
symtab_node::asm_name with xstrdup_for_dump.
(congruence_class::dump): Use symtab_node::name instead of
sem_item::name.
* ipa-icf.h (symtab_node::name): Remove.
(symtab_node::asm_name): Likewise.

From-SVN: r221491

re PR tree-optimization/65450 (Unaligned access with -O3 -mtune=k8)

PR tree-optimization/65450
* tree-vect-data-refs.c (vect_duplicate_ssa_name_ptr_info): New
function.
(vect_create_addr_base_for_vector_ref, vect_create_data_ref_ptr): Use
it instead of duplicate_ssa_name_ptr_info.

* gfortran.dg/pr65450.f90: New test.

From-SVN: r221490

re PR target/65222 (-mtune= or -march=: Not all options not documented: slm, knl, shanghai, istanbul)

PR target/65222
* doc/invoke.texi: Add knl as x86 -march=/-mtune= CPU type.

From-SVN: r221489

tree-data-ref.h (struct access_matrix): Remove.

2015-03-18  Richard Biener  <rguenther@suse.de>

* tree-data-ref.h (struct access_matrix): Remove.
(AM_LOOP_NEST, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT): Likewise.
(am_vector_index_for_loop): Likewise.
(struct data_reference): Remove access_matrix member.
(DR_ACCESS_MATRIX): Remove.
(lambda_vector_new): Add comment.
(lambda_matrix_new): Use XOBNEWVEC.

From-SVN: r221488

tree-ssa-loop-ch.c (pass_data_ch): Remove TODO_cleanup_cfg.

2015-03-18  Richard Biener  <rguenther@suse.de>

* tree-ssa-loop-ch.c (pass_data_ch): Remove TODO_cleanup_cfg.
(pass_ch::execute): Cleanup the CFG only if we did sth.
* tree-vect-generic.c (pass_data_lower_vector): Remove TODO_cleanup_cfg.

From-SVN: r221487

[expmed][cleanup] Use std::swap instead of manual swapping

* expmed.c (synth_mult): Use std::swap instead of manually
swapping algorithms.

From-SVN: r221486

re PR rtl-optimization/65078 (4.9 and 5.0 generate more spill-fill in comparison with 4.8.2)

PR target/65078
* config/i386/sse.md (movsi/movdi -> vec_extract_*_0 splitter): New.

* gcc.target/i386/pr65078-1.c: New test.
* gcc.target/i386/pr65078-2.c: New test.
* gcc.target/i386/pr65078-3.c: New test.
* gcc.target/i386/pr65078-4.c: New test.
* gcc.target/i386/pr65078-5.c: New test.
* gcc.target/i386/pr65078-6.c: New test.

From-SVN: r221485

acinclude.m4 (GLIBCXX_CHECK_GTHREADS): Check for pthread_rwlock_t.

2015-03-18  Jonathan Wakely  <jwakely@redhat.com>
    Torvald Riegel  <triegel@redhat.com>

* acinclude.m4 (GLIBCXX_CHECK_GTHREADS): Check for pthread_rwlock_t.
* config.h.in: Regenerate.
* configure: Regenerate.
* include/std/shared_mutex: Check _GLIBCXX_USE_PTHREAD_RWLOCK_T.
(shared_timed_mutex::_M_rwlock): Use PTHREAD_RWLOCK_INITIALIZER.
(shared_timed_mutex::lock_shared()): Retry on EAGAIN.
(shared_timed_mutex::try_lock_shared_until()): Retry on EAGAIN and
EDEADLK.

Co-Authored-By: Torvald Riegel <triegel@redhat.com>
From-SVN: r221484

re PR c++/65340 ([C++14]ICE in mark_used, at decl2.c:5040)

2015-03-18  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/65340
* call.c (build_over_call): Pass the tsubst_flags_t argument to
mark_used.
* decl2.c (mark_used): Inline the require_deduced_type call and
guard the error call.

2015-03-18  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/65340
* g++.dg/cpp1y/pr65340.C: New.

From-SVN: r221483

re PR fortran/64432 (SYSTEM_CLOCK(COUNT_RATE=rate) wrong result for integer(4)::rate)

2015-03-17 Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR fortran/64432
* gfortran.dg/system_clock_3.f08: Adjust test.

From-SVN: r221482

Daily bump.

From-SVN: r221481

re PR c++/65061 (Issue with using declaration and member class template)

PR c++/65061
* parser.c (cp_parser_template_name): Call strip_using_decl.

From-SVN: r221478

1.cc: Remove name of unused exception variable.

* testsuite/30_threads/shared_lock/modifiers/1.cc: Remove name of
unused exception variable.
* testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
* testsuite/30_threads/shared_lock/modifiers/2.cc: Remove duplicate
test.
* testsuite/30_threads/unique_lock/modifiers/2.cc: Likewise.

From-SVN: r221477

nested_exception.h: Do not try to derive from final classes.

* libsupc++/nested_exception.h: Do not try to derive from final
classes.
* testsuite/18_support/nested_exception/throw_with_nested.cc: Test
final class.

From-SVN: r221476

re PR target/65296 ([avr] fix various issues with specs file generation)

PR target/65296
* config/avr/avr.opt (-nodevicelib): New option.
* doc/invoke.texi (AVR Options): Document it.
* config/avr/avrlibc.h (LIB_SPEC, LIBGCC_SPEC) [avr1]: Don't link
libgcc.a, libc.a, libm.a.
* config/avr/specs.h: Same.
* config/avr/gen-avr-mmcu-specs.c (print_mcu): Don't print specs
which don't (directly) depend on the device.  Print more help.
(*avrlibc_devicelib) [-nodevicelib]: Don't link libdev.a.
(*cpp): Don't define __AVR_DEV_LIB_NAME__.
* config/avr/driver-avr.c: Remove -nodevicelib from option list in
case of an error.
(avr_devicespecs_file): Use suffix "%s" instead of absolute path
for specs file name.
* config/avr/avr-arch.h (avr_mcu_t) [.library_name]: Remove.
* config/avr/avr-mcus.def: Adjust initializers and comments.

From-SVN: r221475

re PR fortran/59198 (ICE on cyclically dependent polymorphic types)

2014-03-17  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/59198
* trans-types.c (gfc_get_derived_type): If an abstract derived
type with procedure pointer components has no other type of
component, return the backend_decl. Otherwise build the
components if any of the non-procedure pointer components have
no backend_decl.

2014-03-17  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/59198
* gfortran.dg/proc_ptr_comp_44.f90 : New test
* gfortran.dg/proc_ptr_comp_45.f90 : New test

From-SVN: r221474

re PR fortran/64432 (SYSTEM_CLOCK(COUNT_RATE=rate) wrong result for integer(4)::rate)

2015-03-16 Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR fortran/64432
* gfortran.dg/system_clock_3.f08: New test.

From-SVN: r221473

re PR fortran/64432 (SYSTEM_CLOCK(COUNT_RATE=rate) wrong result for integer(4)::rate)

2015-03-16 Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libgfortran/64432
* intrinsics/system_clock.c (system_clock4, system_clock8):
Cleanup some whitespace.

From-SVN: r221472

re PR fortran/64432 (SYSTEM_CLOCK(COUNT_RATE=rate) wrong result for integer(4)::rate)

2015-03-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR fortran/64432
*trans-intrinisic.c (conv_intrinsic_system_clock): Check the
smallest kind passed in user arguments and hardcode tesults for
KIND=1 or KIND=2 to indicate no clock available.

From-SVN: r221471

re PR c++/64626 (C++14 single quote should not always be a digit separator)

libcpp/

2015-03-16  Edward Smith-Rowland  <3dw4rd@verizon.net>

PR c++/64626
* lex.c (lex_number): If a number ends with digit-seps (') skip back
and let lex_string take them.

gcc/testsuite/

2015-03-16  Edward Smith-Rowland  <3dw4rd@verizon.net>

PR c++/64626
g++.dg/cpp1y/pr64626-1.C: New.
g++.dg/cpp1y/pr64626-2.C: New.
g++.dg/cpp1y/digit-sep-neg.C: Adjust errors and warnings.

From-SVN: r221470

Daily bump.

From-SVN: r221469

tree-sra.c (ipa_sra_preliminary_function_checks): Use DECL_ONE_ONLY to check if decl is one only.

* tree-sra.c (ipa_sra_preliminary_function_checks): Use
DECL_ONE_ONLY to check if decl is one only.
* ipa-split.c (consider_split): Limit splitt of one only functions.

From-SVN: r221466

re PR tree-optimization/65427 (ICE in emit_move_insn with wide vector types)

PR tree-optimization/65427
* tree-vect-generic.c (do_cond, expand_vector_scalar_condition): New
functions.
(expand_vector_operations_1): Handle BLKmode vector COND_EXPR.

* gcc.c-torture/execute/pr65427.c: New test.

From-SVN: r221464

DR 1688 PR c++/65327

DR 1688
PR c++/65327
* decl.c (grokdeclarator): Allow volatile and constexpr together.

* g++.dg/cpp0x/constexpr-object1.C: Change dg-error to dg-bogus.
* g++.dg/cpp0x/pr65327.C: New test.

From-SVN: r221463

cgraph.h (add_new_static_var): Remove declaration.

* cgraph.h (add_new_static_var): Remove declaration.
* varpool.c (add_new_static_var): Remove function.

From-SVN: r221462

omp-low.c (expand_omp_target): Use auto_vec<tree, 11> instead of vec<tree> * with vec_alloc and release for args.

* omp-low.c (expand_omp_target): Use auto_vec<tree, 11>
instead of vec<tree> * with vec_alloc and release for args.
Adjust all users.

From-SVN: r221460

re PR middle-end/65431 (Invalid read of size 8 at 0x105DBBF8: delete_omp_context(unsigned long) (omp-low.c:1586))

PR middle-end/65431
* omp-low.c (delete_omp_context): Only splay_tree_delete
reduction_map in GIMPLE_OMP_TARGET is_gimple_omp_offloaded
is_gimple_omp_oacc contexts.  Don't look at ctx->outer.

From-SVN: r221459

Move cloog.m4 ChangeLog entry to config/ChangeLog

From-SVN: r221458

re PR sanitizer/64820 (Libsanitizer fails with ((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) if ssp is enabled.)

2015-03-16  Max Ostapenko  <m.ostapenko@partner.samsung.com>

PR sanitizer/64820

gcc/
* cfgexpand.c (align_base): New function.
(alloc_stack_frame_space): Call it.
(expand_stack_vars): Align prev_frame to be sure
data->asan_vec elements aligned properly.

gcc/testsuite/
* c-c++-common/asan/pr64820.c: New test.

From-SVN: r221457

resolve.c: Prevent segfault on illegal input.

gcc/fortran/ChangeLog:

2015-03-16  Andre Vehreschild  <vehre@gmx.de>

* resolve.c: Prevent segfault on illegal input.

gcc/testsuite/ChangeLog:

2015-03-16  Andre Vehreschild  <vehre@gmx.de>

* gfortran.dg/pointer_2.f90: New test.

From-SVN: r221455

re PR middle-end/65409 (ICE in store_field)

PR middle-end/65409
* expr.c (store_field): Do not do a direct block copy if the source is
a PARALLEL with BLKmode.

From-SVN: r221453

Add PR64895 xfails in i386/fuse-caller-save*.c

2015-03-16  Tom de Vries  <tom@codesourcery.com>

* gcc.target/i386/fuse-caller-save-rec.c: Add PR64895 xfail on scans.
* gcc.target/i386/fuse-caller-save-xmm.c: Same.
* gcc.target/i386/fuse-caller-save.c: Same.

From-SVN: r221452

utils2.c (gnat_invariant_expr): Return null if the type of the expression ends up being composite.

* gcc-interface/utils2.c (gnat_invariant_expr): Return null if the type
of the expression ends up being composite.

From-SVN: r221449

Revert 'Use actual_call_used_reg_set to find conflicting regs'

2015-03-16  Tom de Vries  <tom@codesourcery.com>

PR middle-end/65414
Revert:
2015-03-12  Tom de Vries  <tom@codesourcery.com>

PR rtl-optimization/64895
* lra-lives.c (check_pseudos_live_through_calls): Use
actual_call_used_reg_set instead of call_used_reg_set, if available.

From-SVN: r221448

decl.c (is_from_limited_with_of_main): New predicate.

* gcc-interface/decl.c (is_from_limited_with_of_main): New predicate.
(gnat_to_gnu_entity) <E_Subprogram_Type>: Invoke it on return and
parameter types to detect circularities in ASIS mode.
* gcc-interface/trans.c (Attribute_to_gnu): Mention AI05-0151.

From-SVN: r221447

decl.c (gnat_to_gnu_entity): Do not short-circuit the regular handling.

* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Abstract_State>: Do not
short-circuit the regular handling.

From-SVN: r221446

re PR regression/63150 (FAIL: gcc.target/powerpc/pr53199.c scan-assembler-times *)

PR target/63150
gcc/
* config/rs6000/rs6000.md (bswapdi2): Remove one scratch reg.
Modify Z->r bswapdi splitter to use dest in place of scratch.
In r->Z and Z->r bswapdi splitter rename word_high, word_low
to word1, word2 and rearrange logic to suit.
(bswapdi2_64bit): Remove early clobber on Z->r alternative.
(bswapdi2_ldbrx): Likewise.  Remove '??' on r->r.
(bswapdi2_32bit): Remove early clobber on Z->r alternative.
Add one '?' on r->r.  Modify Z->r splitter to avoid need for
early clobber.
gcc/testsuite/
* gcc.target/powerpc/pr53199.c: Add extra functions.  Revert
2014-12-05 change.

From-SVN: r221445

Daily bump.

From-SVN: r221444

pr65270-1.c: Add -fno-common to dg-options on hppa*-*-hpux*.

* gcc.dg/torture/pr65270-1.c: Add -fno-common to dg-options on
hppa*-*-hpux*.
* gcc.dg/torture/pr65270-2.c: Likewise.

From-SVN: r221441

Daily bump.

From-SVN: r221439