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Author SHA1 Message Date
Michael Meissner
0d7154371d Add PR target/71395 marker to 71395 fix 
From-SVN: r240332
 2016-09-21 20:17:32 +00:00
Bernd Edlinger
a09e9e35a6 c-common.c (c_common_truthvalue_conversion): Inhibit Wint-in-bool-context warning with from_macro_definition_at. 
2016-09-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_common_truthvalue_conversion): Inhibit
        Wint-in-bool-context warning with from_macro_definition_at.
        Mention the expression will always evaluate to true.

From-SVN: r240331
 2016-09-21 20:14:44 +00:00
Jason Merrill
63cb392608 Add from_macro_definition_at predicate for locations. 
gcc/
	* input.h (from_macro_definition_at): New.
libcpp/
	* line-map.c (linemap_location_from_macro_definition_p): New.
	* line-map.h: Declare it.

From-SVN: r240330
 2016-09-21 15:59:29 -04:00
Jason Merrill
c67c64efbe Core 903 
Core 903
	* call.c (null_ptr_cst_p): Check char_type_p.

From-SVN: r240329
 2016-09-21 15:49:32 -04:00
Joseph Myers
5f84cee259 Add _FloatN, _FloatNx tests for __builtin_fpclassify. 
This patch adds tests for _FloatN and _FloatNx arguments to the
__builtin_fpclassify type-generic built-in function, omitted from the
original tests for type-generic functions on these types.

Tested for x86_64-pc-linux-gnu; all the supported new tests pass.

	* gcc.dg/torture/float128-tg-3.c, gcc.dg/torture/float128x-tg-3.c,
	gcc.dg/torture/float16-tg-3.c, gcc.dg/torture/float32-tg-3.c,
	gcc.dg/torture/float32x-tg-3.c, gcc.dg/torture/float64-tg-3.c,
	gcc.dg/torture/float64x-tg-3.c, gcc.dg/torture/floatn-tg-3.h: New
	tests.

From-SVN: r240328
 2016-09-21 18:52:47 +01:00
Segher Boessenkool
18e15e303a Fix JUMP_LABEL documentation 
* doc/rtl.texi (JUMP_LABEL): Document RETURN and SIMPLE_RETURN values.

From-SVN: r240325
 2016-09-21 19:48:47 +02:00
Ville Voutilainen
b641f833ba re PR libstdc++/77288 (Std::experimental::optional::operator= implementation is broken in gcc 6.1) 
PR libstdc++/77288
	* include/std/optional (__is_optional_impl, __is_optional): Remove.
	(__converts_from_optional, __assigns_from_optional): New.
	(optional(_Up&&)): Use is_same instead of __is_optional.
	(optional(const optional<_Up>&)): Constrain with
	__converts_from_optional.
	(optional(optional<_Up>&&)): Likewise.
	(operator=(_Up&&)): Use is_same instead of __is_optional, check
	is_same and is_scalar.
	(operator=(const optional<_Up>&)): Constrain with
	__converts_from_optional and __assigns_from_optional.
	(operator=(optional<_Up>&&)): Likewise.
	* testsuite/20_util/optional/77288.cc: New.
	* testsuite/20_util/optional/cons/value.cc: Adjust.

From-SVN: r240324
 2016-09-21 20:37:17 +03:00
Ville Voutilainen
5578678524 Implement LWG 2729 for tuple. 
* include/std/tuple (_Tuple_impl(_Tuple_impl&&)):
	Suppress conditionally.
	(_Tuple_impl(_Tuple_impl<_Idx, _UHead, _UTails...>&&)): Likewise.
	(__is_tuple_impl_trait_impl, __is_tuple_impl_trait): New.
	(_Tuple_impl(const _Head&)): Constrain.
	(_Tuple_impl(_UHead&&)): Likewise.
	(_Tuple_impl(_Tuple_impl&&)): Suppress conditionally.
	(_Tuple_impl(const _Tuple_impl<_Idx, _UHead>&)): Constrain.
	(_Tuple_impl(_Tuple_impl<_Idx, _UHead>&&)): Likewise.
	(operator=(const tuple&)): Enable conditionally.
	(operator=(tuple&&)): Suppress conditionally.
	(operator=(const tuple<_UElements...>&)): Constrain.
	(operator=(tuple<_UElements...>&&)): Likewise.
	(operator=(const tuple&)): Enable conditionally (2-param tuple).
	(operator=(tuple&&)): Suppress conditionally (2-param tuple).
	(operator=(const tuple<_U1, _U2>&)): Constrain.
	(operator=(tuple<_U1, _U2>&&)): Likewise.
	(operator=(const pair<_U1, _U2>&)): Likewise.
	(operator=(pair<_U1, _U2>&&)): Likewise.
	* testsuite/20_util/tuple/element_access/get_neg.cc: Adjust.
	* testsuite/20_util/tuple/tuple_traits.cc: New.

From-SVN: r240323
 2016-09-21 20:25:16 +03:00
Ville Voutilainen
f524d5b34a re PR libstdc++/77537 (pair constructors do not properly SFINAE) 
PR libstdc++/77537
	Implement LWG 2729 for pair.
	* include/bits/stl_pair.h (_PCC): New.
	(_ConstructiblePair, _ImplicitlyConvertiblePair):
	Turn into static member functions of _PCC.
	(_MoveConstructiblePair, _ImplicitlyMoveConvertiblePair): Likewise.
	(_PCCP): New.
	(pair(const _T1&, const _T2&)): Adjust.
	(_PCCFP): New.
	(pair(const pair<_U1, _U2>&)): Adjust.
	(pair(_U1&&, const _T2&)): Likewise.
	(pair(const _T1&, _U2&&)): Likewise.
	(pair(_U1&&, _U2&&)): Likewise.
	(pair(pair<_U1, _U2>&&)): Likewise.
	(operator=(const pair&)): Make conditionally deleted.
	(operator=(pair&&)): Make conditionally suppressed.
	(operator=(const pair<_U1, _U2>&)): Constrain.
	(operator=(pair<_U1, _U2>&&): Likewise.
	* include/std/type_traits (__nonesuch): New.
	* testsuite/20_util/pair/traits.cc: New.

From-SVN: r240322
 2016-09-21 19:48:35 +03:00
Martin Sebor
d43b4ccc37 PR bootstrap/77676 - powerpc64 and powerpc64le stage2 bootstrap fail 
* c.opt (fprintf-return-value): Temporarily initialize to zero
	to unblock bootstrap failures.

From-SVN: r240321
 2016-09-21 10:13:12 -06:00
Uros Bizjak
fe01a41a4d dump-noaddr.x: Remove debug statements. 
* gcc.c-torture/unsorted/dump-noaddr.x: Remove debug statements.

From-SVN: r240318
 2016-09-21 17:16:41 +02:00
Jakub Jelinek
2e1c20b144 re PR c++/77651 (c++ -Wno-aligned-new ICEs) 
PR c++/77651
c-family/
	* c.opt (Waligned-new=): Add RejectNegative.
	(faligned-new=): Likewise.  Spelling fix - change
	aligned_new_threshhold to aligned_new_threshold.
	* c-cppbuiltin.c (c_cpp_builtins): Change aligned_new_threshhold
	to aligned_new_threshold.
cp/
	* init.c (build_new_1): Don't suggest to use -faligned-new if
	aligned_new_threshold is non-zero.
	(type_has_new_extended_alignment): Change aligned_new_threshhold
	to aligned_new_threshold.
	* call.c (second_parm_is_size_t, aligned_allocation_fn_p,
	aligned_deallocation_fn_p, build_op_delete_call): Likewise.
	* decl.c (cxx_init_decl_processing): Likewise.
testsuite/
	* g++.dg/cpp1z/aligned-new6.C: New test.

From-SVN: r240317
 2016-09-21 17:13:46 +02:00
Jakub Jelinek
aef6a97c0e re PR sanitizer/77567 (ASAN: Bugus error "alloc-dealloc-mismatch (malloc vs operator delete [])" with C++17's over-aligned types) 
PR sanitizer/77567
	* asan/asan_new_delete.cc: Cherry-pick upstream r282019.

From-SVN: r240316
 2016-09-21 16:40:30 +02:00
Matthew Wahab
de4c144ab7 [ARM] FP16 ARM Alternative format variants of AAPCS tests. 
testsuite/
2016-09-21  Matthew Wahab  <matthew.wahab@arm.com>

	* gcc.target/arm/fp16-aapcs-3.c: New.
	* gcc.target/arm/fp16-aapcs-4.c: New.
	* gcc.target/arm/aapcs/aapcs/vfp22.c: New.
	* gcc.target/arm/aapcs/aapcs/vfp23.c: New.
	* gcc.target/arm/aapcs/aapcs/vfp24.c: New.
	* gcc.target/arm/aapcs/aapcs/vfp25.c: New.

From-SVN: r240314
 2016-09-21 13:28:53 +00:00
Bernd Edlinger
44fc785481 re PR tree-optimization/77550 (std::deque with -O3 has infinite std::distance) 
gcc:
2016-09-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR tree-optimization/77550
        * tree-vect-stmts.c (create_array_ref): Change parameters.
        (get_group_alias_ptr_type): New function.
        (vectorizable_store, vectorizable_load): Use get_group_alias_ptr_type.

testsuite:
2016-09-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
        
        PR tree-optimization/77550
        * g++.dg/pr77550.C: New test.

From-SVN: r240313
 2016-09-21 13:03:59 +00:00
Eric Botcazou
7e02fd1b7b configure.ac: Do not create links, only substitute the filenames. 
* configure.ac: Do not create links, only substitute the filenames.
	* configure: Regenerate.
	* Makefile.in: Assign the substitution results to variables.
	(LIBGCC_LINKS): Define.
	(enable-execute-stack.c): New rule.
	(unwind.h): Likewise.
	(md-unwind-support.h): Likewise.
	(sfp-machine.h): Likewise.
	(gthr-default.h): Likewise.
	Add $(LIBGCC_LINKS) to the prerequisites of all object files and
	unwind.h as prerequisite of install-unwind_h-forbuild.

From-SVN: r240312
 2016-09-21 12:53:20 +00:00
Marek Polacek
26e7820fcc gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length): Add falls through comment. 
* gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
	Add falls through comment.

From-SVN: r240311
 2016-09-21 11:08:11 +00:00
Richard Biener
377e973c62 dwarf2out.c (remove_child_with_prev): Clear child->die_sib. 
2016-09-21  Richard Biener  <rguenther@suse.de>

	* dwarf2out.c (remove_child_with_prev): Clear child->die_sib.
	(replace_child): Likewise.
	(remove_child_TAG): Adjust.
	(move_marked_base_types): Likewise.
	(prune_unused_types_prune): Clear die_sib of removed children.

From-SVN: r240310
 2016-09-21 11:00:02 +00:00
Janne Blomqvist
9ad5c32a21 Use rand_s on MinGW-w64, fix array bound overflow. 
2016-09-21  Janne Blomqvist  <jb@gcc.gnu.org>

	* intrinsics/random.c (getosrandom): Use rand_s() on
	MinGW-w64. Fix bounds overflow in fallback code.

From-SVN: r240309
 2016-09-21 13:07:06 +03:00
Georg-Johann Lay
bc084f84b3 re PR target/77326 ([avr] Invalid optimization omits comparison) 
gcc/
	PR target/77326
	* config/avr/avr.c (avr_notice_update_cc) [CC_NONE]: If insn
	touches some regs mentioned in cc_status, do CC_STATUS_INIT.
gcc/testsuite/
	PR target/77326
	* gcc.target/avr/torture/pr77326.c: New test.

From-SVN: r240306
 2016-09-21 09:17:32 +00:00
Louis Krupp
c075003a1f pr68078.f90: Run on x86_64_*_linux* only. 
2016-09-21  Louis Krupp  <louis.krupp@zoho.com>

	* gfortran.dg/pr68078.f90: Run on x86_64_*_linux* only.

From-SVN: r240304
 2016-09-21 08:30:51 +00:00
Richard Biener
6811ea7976 re PR tree-optimization/77648 (Setting conversion to a integer to double to 0 3/4 through a loop) 
2016-09-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77648
	* tree-ssa-structalias.c (process_constraint): Handle all DEREF
	with complex RHS.
	(make_transitive_closure_constraints): Adjust comment.
	(make_any_offset_constraints): New function.
	(handle_rhs_call): Make sure to first expand a pointer to all
	subfields before transitively closing it.
	(handle_const_call): Likewise.  Properly expand returned
	pointers as well.
	(handle_pure_call): Likewise.

	* gcc.dg/torture/pr77648-1.c: New testcase.
	* gcc.dg/torture/pr77648-2.c: Likewise.

From-SVN: r240303
 2016-09-21 07:38:33 +00:00
Richard Biener
f955c4c483 re PR tree-optimization/77621 (Internal compiler error for mtune=atom + msse2) 
2016-09-21  Richard Biener  <rguenther@suse.de>
	Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/77621
	* tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Split
	group at non-vectorizable stmts.

	* gcc.dg/pr77621.c: New testcase.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r240302
 2016-09-21 07:37:18 +00:00
Paul Thomas
096506bb6e re PR fortran/77657 (link error with implementation of user-defined derived type input/output (UD-DTIO) in child extending abstract parent) 
2016-09-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/77657

	* interface.c (gfc_find_specific_dtio_proc): Borrow trick from
	resolve_typebound_generic_call to find dtio procedures that
	over-ride those in the declared type.

2016-09-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/77657
	* gfortran.dg/dtio_12.f90: New test.

From-SVN: r240301
 2016-09-21 06:57:28 +00:00
Senthil Kumar Selvaraj
37d168aedc Make integer size explicit 
For the lower vrp bound to be 2/-2, unsigned ints must be 4 bytes wide. This
breaks targets like avr. Explicitly using __UINT32_TYPE__ (behind a typedef) 
makes the testcase pass for all targets.

gcc/testsuite/ChangeLog:

2016-09-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

	* gcc.dg/tree-ssa/pr64130.c: Use __UINT32_TYPE__ instead of int.

From-SVN: r240300
 2016-09-21 06:03:32 +00:00
Kugan Vivekanandarajah
664540008b Incorrect arithmetic optimization involving bitfield arguments 
gcc/ChangeLog:

2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR tree-optimization/72835
	* tree-ssa-reassoc.c (make_new_ssa_for_def): New.
	(make_new_ssa_for_all_defs): Likewise.
	(zero_one_operation): Replace all SSA_NAMEs defined in the chain.


gcc/testsuite/ChangeLog:

2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR tree-optimization/72835
	* gcc.dg/tree-ssa/pr72835.c: New test.

From-SVN: r240299
 2016-09-21 03:28:24 +00:00
Martin Sebor
88d0c3f0a1 PR middle-end/49905 - Better sanity checking on sprintf src & dest to 
gcc/ChangeLog:

	PR middle-end/49905
	* Makefile.in (OBJS): Add gimple-ssa-sprintf.o.
	* config/linux.h (TARGET_PRINTF_POINTER_FORMAT): Redefine.
	* config/linux.c (gnu_libc_printf_pointer_format): New function.
	* config/sol2.h (TARGET_PRINTF_POINTER_FORMAT): Same.
	* config/sol2.c (solaris_printf_pointer_format): New function.
	* doc/invoke.texi (-Wformat-length, -fprintf-return-value): New
	options.
	* doc/tm.texi.in (TARGET_PRINTF_POINTER_FORMAT): Document.
	* doc/tm.texi: Regenerate.
	* gimple-fold.h (get_range_strlen): New function.
	(get_maxval_strlen): Declare existing function.
	* gimple-fold.c (get_range_strlen): Add arguments and compute both
	maximum and minimum.
	 (get_range_strlen): Define overload.
	(get_maxval_strlen): Adjust.
	* gimple-ssa-sprintf.c: New file and pass.
	* passes.def (pass_sprintf_length): Add new pass.
	* targhooks.h (default_printf_pointer_format): Declare new function.
	(gnu_libc_printf_pointer_format): Same.
	(solaris_libc_printf_pointer_format): Same.
	* targhooks.c (default_printf_pointer_format): Define new function.
	* tree-pass.h (make_pass_sprintf_length): Declare new function.
	* print-tree.c: Increase buffer size.

gcc/c-family/ChangeLog:

	PR middle-end/49905
	* c.opt: Add -Wformat-length and -fprintf-return-value.

gcc/testsuite/ChangeLog:

	PR middle-end/49905
	* gcc.dg/builtin-stringop-chk-1.c: Adjust.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: New test.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-2.c: New test.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: New test.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-4.c: New test.
	* gcc.dg/tree-ssa/builtin-sprintf.c: New test.
	* gcc.dg/tree-ssa/builtin-sprintf-2.c: New test.

From-SVN: r240298
 2016-09-20 19:39:27 -06:00
GCC Administrator
6283a8db1f Daily bump. 
From-SVN: r240297
 2016-09-21 00:16:19 +00:00
Kugan Vivekanandarajah
a03df1d582 Use ipa-vrp result in tree-vrp 
gcc/ChangeLog:

2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	 * tree-vrp.c (get_value_range): Teach PARM_DECL to use ipa-vrp
	 results.


gcc/testsuite/ChangeLog:

2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* gcc.dg/guality/pr54519-1.c: Add -fno-ipa-vrp. Else constant
	arguments/compare will be optimized away.
	* gcc.dg/torture/ftrapv-1.c: Likewise.

From-SVN: r240293
 2016-09-20 23:41:01 +00:00
Kugan Vivekanandarajah
8bc5448f39 Add IPA VRP 
gcc/lto/ChangeLog:
2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* lto-partition.c: Include tree-vrp.h.
	* lto.c: Likewise.

gcc/testsuite/ChangeLog:

2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* g++.dg/ipa/pure-const-3.C: Add -fno-ipa-vrp. Else constant arguments
	will be optimized away.
	* gcc.dg/ipa/vrp1.c: New test.
	* gcc.dg/ipa/vrp2.c: New test.
	* gcc.dg/ipa/vrp3.c: New test.

gcc/ChangeLog:

2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* common.opt: New option -fipa-vrp.
	* ipa-cp.c (ipa_get_vr_lat): New.
	(ipcp_vr_lattice::print): Likewise.
	(print_all_lattices): Call ipcp_vr_lattice::print.
	(ipcp_vr_lattice::meet_with): New.
	(ipcp_vr_lattice::meet_with_1): Likewise.
	(ipcp_vr_lattice::top_p): Likewise.
	(ipcp_vr_lattice::bottom_p): Likewsie.
	(ipcp_vr_lattice::set_to_bottom): Likewise.
	(set_all_contains_variable): Call VR set_to_bottom.
	(initialize_node_lattices): Init VR lattices.
	(propagate_vr_accross_jump_function): New.
	(propagate_constants_accross_call): Call
	propagate_vr_accross_jump_function.
	(ipcp_store_vr_results): New.
	(ipcp_driver): Handle VR.
	* ipa-prop.c (ipa_print_node_jump_functions_for_edge): Handle VR.
	(ipa_set_jf_unknown): Likewise.
	(ipa_compute_jump_functions_for_edge): Likewise.
	(ipa_node_params_t::duplicate): Likewise.
	(ipa_write_jump_function): Likewise.
	(ipa_read_jump_function): Likewise.
	(write_ipcp_transformation_info): Likewise.
	(read_ipcp_transformation_info): Likewise.
	(ipcp_update_vr): New.
	(ipcp_transform_function): Handle VR.
	* ipa-prop.h (struct ipa_vr): New.
	* cgraph.c: Include tree-vrp.h.
	* cgraphunit.c: Likewise.
	* ipa-utils.c: Likewise.
	* ipa.c: Likewise.

From-SVN: r240292
 2016-09-20 23:29:05 +00:00
Kugan Vivekanandarajah
973625a04b Add Early VRP 
gcc/ChangeLog:

2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* doc/invoke.texi: Document -fdump-tree-evrp.
	* passes.def: Define new pass_early_vrp.
	* timevar.def: Define new TV_TREE_EARLY_VRP.
	* tree-pass.h (make_pass_early_vrp): New.
	* tree-ssa-propagate.c: Make replace_uses_in non static.
	* tree-ssa-propagate.h: Export replace_uses_in.
	* tree-vrp.c (extract_range_for_var_from_comparison_expr): New.
	(extract_range_from_assert): Factor out
	extract_range_for_var_from_comparison_expr.
	(vrp_initialize_lattice): New.
	(vrp_initialize): Factor out vrp_initialize_lattice.
	(vrp_valueize): Fix it to reject complex value ranges.
	(vrp_free_lattice): New.
	(evrp_dom_walker::before_dom_children): Likewise.
	(evrp_dom_walker::after_dom_children): Likewise.
	(evrp_dom_walker::push_value_range): Likewise.
	(evrp_dom_walker::pop_value_range): Likewise.
	(execute_early_vrp): Likewise.
	(execute_vrp): Call vrp_initialize_lattice and
	vrp_free_lattice.
	(make_pass_early_vrp): New.


gcc/testsuite/ChangeLog:

2016-09-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* g++.dg/tree-ssa/pr31146-2.C: Run with -fno-tree-evrp as evrp also
	does the same transformation.
	* g++.dg/warn/pr33738.C: XFAIL as optimization now happens in ccp.
	* gcc.dg/tree-ssa/evrp1.c: New test.
	* gcc.dg/tree-ssa/evrp2.c: New test.
	* gcc.dg/tree-ssa/evrp3.c: New test.
	* gcc.dg/tree-ssa/pr20657.c: Check for the pattern in evrp dump.
	* gcc.dg/tree-ssa/pr22117.c: Likewise.
	* gcc.dg/tree-ssa/pr61839_2.c: Likewise.
	* gcc.dg/tree-ssa/pr64130.c: Likewise.
	* gcc.dg/tree-ssa/pr37508.c: Change the pattern to be checked as
	foling now happens early.
	* gcc.dg/tree-ssa/vrp04.c: Likewise.
	* gcc.dg/tree-ssa/vrp06.c: Likewise.
	* gcc.dg/tree-ssa/vrp16.c: Likewise.
	* gcc.dg/tree-ssa/vrp25.c: Likewise.
	* gcc.dg/tree-ssa/vrp67.c: Likewise.

From-SVN: r240291
 2016-09-20 23:23:55 +00:00
Christophe Lyon
aa9baacfc9 Report DejaGnu ERROR messages in dg-extract-results. 
2016-09-20  Christophe Lyon  <christophe.lyon@linaro.org>

	* dg-extract-results.py: Report DejaGnu error in the final
	summary.
	* dg-extract-results.sh: Likewise.

From-SVN: r240289
 2016-09-20 22:15:30 +02:00
Christophe Lyon
b0a5704b4c Report DejaGnu ERROR messages in compare_tests 
2016-09-20  Christophe Lyon  <christophe.lyon@linaro.org>

	* compare_tests: Take ERROR messages into account when
          comparing.

From-SVN: r240288
 2016-09-20 22:14:14 +02:00
Marek Polacek
605909332c trans-intrinsic.c (conv_expr_ref_to_caf_ref): Adjust fall through comment. 
* trans-intrinsic.c (conv_expr_ref_to_caf_ref): Adjust fall through
	comment.

From-SVN: r240286
 2016-09-20 18:41:14 +00:00
Ian Lance Taylor
321f72a231 syscall: build export_unix_test.go on solaris 
Patch from Rainer Orth.
    
    Reviewed-on: https://go-review.googlesource.com/29436

From-SVN: r240285
 2016-09-20 18:26:55 +00:00
Uros Bizjak
ed34fc9723 i386.md (mult->ashift peephole2s): Use pow2p_hwi instead of exact_log2. 
* config/i386/i386.md (mult->ashift peephole2s): Use pow2p_hwi
	instead of exact_log2.

From-SVN: r240281
 2016-09-20 20:00:46 +02:00
Ian Lance Taylor
3c1917945d re PR go/77625 (go/gofrontend/ast-dump.cc:169:42: error: ‘new’ of type ‘std::ofstr eam {aka std::basic_ofstream<char>}’ with extended alignment 16) 
PR go/77625

    compiler: allocate std::ofstream as a local variable
    
    GCC PR 77625 points out a warning about new std::ofstream.  I don't know
    how that is supposed to work, but in this case the std::ofstream may as
    well be a local variable anyhow.
    
    Reviewed-on: https://go-review.googlesource.com/29435

From-SVN: r240279
 2016-09-20 17:52:23 +00:00
Uros Bizjak
9b1ba33cf6 re PR tree-optimization/77621 (Internal compiler error for mtune=atom + msse2) 
PR target/77621
	* config/i386/i386.c (ix86_preferred_simd_mode) <case DFmode>:
	Don't return word_mode for !TARGET_VECTORIZE_DOUBLE.
	(ix86_add_stmt_cost): Penalize DFmode vector operations
	for !TARGET_VECTORIZE_DOUBLE.

testsuite/ChangeLog:

	PR target/77621
	* gcc.target/i386/pr77621.c: New test.
	* gcc.target/i386/vect-double-2.c: Update scan-tree-dump-times
	pattern, loop should vectorize with -mtune=atom.

From-SVN: r240277
 2016-09-20 19:36:03 +02:00
Ian Lance Taylor
b276eda4b4 re PR go/77642 (GO Bootstrap fail starting with r239872 splitstack signature does not match) 
PR go/77642

    runtime: pass correct type to __splitstack_find
    
    The code was passing uintptr* to a function that expected size_t*.
    
    Based on patch by Andreas Krebbel.
    
    Fixes GCC PR 77642.
    
    Reviewed-on: https://go-review.googlesource.com/29433

From-SVN: r240275
 2016-09-20 16:48:19 +00:00
Gerald Pfeifer
c79222478d invoke.texi (Warning Options): Simplify language. 
* doc/invoke.texi (Warning Options): Simplify language.
	(Optimize Options): Complete sentence.

From-SVN: r240274
 2016-09-20 16:42:14 +00:00
David Edelsohn
8dd23f3e08 * dbxout.c (xcoff_debug_hooks): Add filename parameter to early_finish hook. 
From-SVN: r240273
 2016-09-20 12:37:08 -04:00
Michael Meissner
00cc7cbfb5 rs6000.c (rs6000_expand_vector_init): For V4SF inits on power8 and above, use the VMRGEW instruction instead of a permute. 
2016-09-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_expand_vector_init): For V4SF
	inits on power8 and above, use the VMRGEW instruction instead of a
	permute.

	* config/rs6000/altivec.md (UNSPEC_VMRGEW_DIRECT): New unspec.
	(p8_vmrgew_v4sf_direct): New VMRGEW insn for V4SF floating
	initialization.

From-SVN: r240272
 2016-09-20 16:22:24 +00:00
Tamar Christina
c55b54403e [PATCH] [AArch64] Add missing attributes to arm_neon.h 
Committed on behalf of Tamar Christina  <tamar.christina@arm.com>

gcc/

	* config/aarch64/arm_neon.h
	(vst2_s64, vst2_u64, vst2_f64, vst2_s8): Add missing attributes.
	(vst3_s64, vst3_u64, vst3_f64, vst3_s8): Likewise.
	(vst4_s64, vst4_u64, vst4_f64, vst4_s8): Likewise.

From-SVN: r240271
 2016-09-20 15:53:00 +00:00
Bernd Edlinger
978fc7d446 vax.h (ELIMINABLE_REGS): Define. 
2016-09-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * config/var/vax.h (ELIMINABLE_REGS): Define.
        (INITIAL_ELIMINATION_OFFSET): Define.

From-SVN: r240269
 2016-09-20 15:28:02 +00:00
Maxim Ostapenko
f5bd4ad831 re PR testsuite/63299 (ASan reported alloc-dealloc-mismatch in g++.old-deja/g++.jason/init3.C) 
PR testsuite/63299
	* g++.old-deja/g++.jason/init3.C (My_string::~My_string): Use delete[]
	instead of delete.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r240268
 2016-09-20 17:19:14 +02:00
Jakub Jelinek
b912f962e2 re PR c++/77626 (ICE with -Wall on x86_64-linux-gnu (internal compiler error: Segmentation fault, byte_from_pos, cxx_fold_indirect_ref)) 
PR c++/77626
	* constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
	FIELD_DECLs with error_mark_node type.  Remove useless break; after
	return.

	* g++.dg/other/pr77626.C: New test.

From-SVN: r240267
 2016-09-20 17:18:31 +02:00
Jakub Jelinek
eaf1ece131 re PR c++/77638 (ICE on x86_64-linux-gnu (internal compiler error: tree check: expected tree that contains ‘decl common’ structure, have ‘error_mark’ in cp_parser_template_declaration_after_parameters, at cp/parser.c:25722)) 
PR c++/77638
	* parser.c (cp_parser_template_declaration_after_parameter): For 2
	argument operator"" template set ok to false for
	parm == error_mark_node.

	* g++.dg/cpp0x/udlit-tmpl-arg-neg2.C: New test.

From-SVN: r240266
 2016-09-20 17:17:41 +02:00
Jakub Jelinek
590b62e90d re PR c++/77637 (ICE on x86_64-linux-gnu (Segmentation fault, tree_check, cp_parser_std_attribute_list...)) 
PR c++/77637
	* parser.c (cp_parser_std_attribute_list): Reject ... without
	preceding attribute.

	* g++.dg/cpp0x/gen-attrs-62.C: New test.

From-SVN: r240265
 2016-09-20 17:16:55 +02:00
Ville Voutilainen
377f30c00f re PR libstdc++/77619 (uninitialized_meow_construct and friends not exception safe) 
PR libstdc++/77619
	* include/bits/stl_construct.h: (_Construct_novalue): New.
	(_Destroy_n_aux, _Destroy_n): New.
	* include/bits/stl_uninitialized.h: (type_traits):
	New include in C++11 mode.
	(__uninitialized_default_novalue_1): New.
	(__uninitialized_default_novalue_n_1): Likewise.
	(__uninitialized_default_novalue): Likewise.
	(__uninitialized_default_novalue_n): Likewise.
	(__uninitialized_copy_n_pair): Likewise.
	(uninitialized_default_construct):
	Use __uninitialized_default_novalue.
	(uninitialized_default_construct_n):
	Use __uninitialized_default_novalue_n.
	(uninitialized_value_construct): Use __uninitialized_default.
	(uninitialized_value_construct_n): Use __uninitialized_default_n.
	(uninitialized_move): Use uninitialized_copy.
	(uninitialized_move_n): Use __uninitialized_copy_n_pair.
	(destroy_at): Use _Destroy.
	(destroy): Likewise.
	(destroy_n): Likewise.
	* testsuite/20_util/specialized_algorithms/
	memory_management_tools/1.cc: Add tests for exceptions,
	add tests for trivial cases for construct and move.

From-SVN: r240264
 2016-09-20 18:15:36 +03:00
Jakub Jelinek
7d9cf80159 re PR middle-end/77624 (ICE on x86_64-linux-gnu (internal compiler error: in fold_builtin_atomic_always_lock_free, at builtins.c:5583)) 
PR middle-end/77624
	* builtins.c (fold_builtin_atomic_always_lock_free): Only look through
	cast to void * if the cast is from some other pointer type.

	* c-c++-common/pr77624-1.c: New test.
	* c-c++-common/pr77624-2.c: New test.

From-SVN: r240263
 2016-09-20 15:48:40 +02:00