* config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
	* config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
	Use h_con constraint for operand 1.
	(*aarch64_fnma4_elt_from_dup<mode>): Likewise.
	(*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.

From-SVN: r246189

	PR tree-optimization/71437
	* tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
	(record_temporary_equivalences): Use it.

From-SVN: r246187

	PR tree-optimization/71437
	* tree-ssa-dom.c (struct cond_equivalence): Moved from here into
	tree-ssa-scopedtables.
	(lookup_avail_expr, build_and_record_new_cond): Likewise.
	(record_conditions, record_cond, vuse_eq): Likewise.
	(record_edge_info): Adjust to API tweak of record_conditions.
	(simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
	(record_temporary_equivalences, optimize_stmt): Likewise.
	(eliminate_redundant_computations): Likewise.
	(record_equivalences_from_stmt): Likewise.
	* tree-ssa-scopedtables.c: Include options.h and params.h.
	(vuse_eq): New function, moved from tree-ssa-dom.c
	(build_and_record_new_cond): Likewise.
	(record_conditions): Likewise.  Accept vector of conditions rather
	than edge_equivalence structure for first argument.
	for the first argument.
	(avail_exprs_stack::lookup_avail_expr): New member function, moved
	from tree-ssa-dom.c.
	(avail_exprs_stack::record_cond): Likewise.
	* tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
	from tree-ssa-dom.c.
	(avail_exprs_stack): Add new member functions lookup_avail_expr
	and record_cond.
	(record_conditions): Declare.

From-SVN: r246186

From-SVN: r246185

Implement LWG 2857, {variant,optional,any}::emplace should
return the constructed value.
* include/std/any (emplace(_Args&&...)): Change the return type and
return a reference to the constructed value.
(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
* include/std/optional (emplace(_Args&&...)): Likewise.
(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
* include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
(emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
(emplace<_Np>(_Args&&...)): Likewise.
(emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
* testsuite/20_util/any/assign/emplace.cc: Add tests for
checking the return value of emplace.
* testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
* testsuite/20_util/optional/assignment/6.cc: Add tests for
checking the return value of emplace.
* testsuite/20_util/variant/run.cc: Likewise.

From-SVN: r246182

2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/80017
	* lra-constraints.c (process_alt_operands): Increase reject for
	reloading an input/output operand.

From-SVN: r246181

	* typeck.c (convert_for_assignment): Handle instantiate_type
	not giving an error.

From-SVN: r246180

[gcc]
2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79038
	* config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
	insns to convert from signed/unsigned char/short to IEEE 128-bit
	floating point.
	(floatuns<QHI:mode><IEEE128:mode>2): Likewise.

[gcc/testsuite]
2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79038
	* gcc.target/powerpc/pr79038-1.c: New test.

From-SVN: r246178

From-SVN: r246177

It was XFAILed because there was a bug in glibc, but that bug was fixed
nine years ago.  Nowadays everyone uses a version of glibc with the bug
fixed, so we should no longer XFAIL the test.


gcc/testsuite/
	PR fortran/33271
	* gfortran.dg/nint_2.f90: Do not xfail powerpc*-*-linux*.

From-SVN: r246174

2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

	PR libstdc++/62045
	* include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
	(is_heap): Remove.
	(push_heap): Remove the wrong checking using is_heap.
	(make_heap): Remove the assertion using is_heap.
	* include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
	(modify): Ditto.
	(resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
	calling make_heap.

2017-03-15  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/62045
	* testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
	New test.
	* testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
	error in comment.

From-SVN: r246173

gcc/fortran/ChangeLog:
	PR fortran/79860
	* resolve.c (resolve_contained_fntype): Make error messages more
	amenable to translation.

From-SVN: r246170

	PR testsuite/79356
	* gcc.dg/attr-alloc_size-11.c: Don't xfail on arm.

From-SVN: r246167

	* acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
	comment.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* doc/Makefile.in: Regenerate.

From-SVN: r246165

This was a workaround for a cygwin bug which was fixed 4 years ago,
and cygwin hasn't supported affected versions for a long time.

2017-03-15  NightStrike  <nightstrike@gmail.com>
	    Janne Blomqvist  <jb@gcc.gnu.org>

	* intrinsics/random.c (getosrandom): Remove check for __CYGWIN__
	preprocessor flag.
	* intrinsics/system_clock.c: Likewise.
	(system_clock_4): Likewise.
	(system_clock_8): Likewise.
	* intrinsics/time_1.h: Don't include windows.h if __CYGWIN__ is
	defined.

Co-Authored-By: Janne Blomqvist <jb@gcc.gnu.org>

From-SVN: r246162

	PR target/80019
	* config/i386/i386.c (ix86_vector_duplicate_value): Create
	subreg of inner mode for values already in registers.

testsuite/ChangeLog:

	PR target/80019
	* gcc.target/i386/pr80019.c: New test.

From-SVN: r246161

	* config/c6x/c6x.c (hwloop_optimize): Handle case where the old
	iteration reg is used after the loop.

From-SVN: r246160

From-SVN: r246156

2017-03-15  Martin Liska  <mliska@suse.cz>

	* gcc.dg/tree-prof/pr66295.c: Removed unused dg-error.

From-SVN: r246154

2017-03-15  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/79956
	* libgfortran.h (GFC_ASSERT):  New macro.
	* m4/reshape.m4 (reshape_'rtype_ccode`):  Use GFC_ASSERT
	to specify that sdim > 0 and rdim > 0.
	* intrinsic/reshape_generic.c (reshape_internal):  Likweise.
	* generated/reshape_c10.c: Regenerated.
	* generated/reshape_c16.c: Regenerated.
	* generated/reshape_c4.c: Regenerated.
	* generated/reshape_c8.c: Regenerated.
	* generated/reshape_i16.c: Regenerated.
	* generated/reshape_i4.c: Regenerated.
	* generated/reshape_i8.c: Regenerated.
	* generated/reshape_r10.c: Regenerated.
	* generated/reshape_r16.c: Regenerated.
	* generated/reshape_r4.c: Regenerated.
	* generated/reshape_r8.c: Regenerated.

From-SVN: r246153

2017-03-15  Yaakov Selkowitz <yselkowitz@redhat.com>

	PR bootstrap/79771
	* gzguts.h (WIDECHAR): Do not define for __CYGWIN__.
	* zlib.h (gzopen_w): Do not declare for __CYGWIN__.
	* win32/zlib.def: Remove gzopen_w.

From-SVN: r246152

re PR tree-optimization/79800 (wrong snprintf result range with precision in a narrow negative-positive range)

	PR tree-optimization/79800
	* gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
	precision in negative-positive range.
	(format_floating): Call non-const overload with adjusted precision.

	PR tree-optimization/79800
	* gcc.dg/tree-ssa/builtin-sprintf-warn-15.c: Add test cases.
	* gcc.dg/tree-ssa/pr79800.c: New test.

From-SVN: r246151

[gcc]
2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79947
	* config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
	-mpowerpc-gfxopt.

[gcc/testsuite]
2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79947
	* gcc.target/powerpc/pr79947.c: New test.

From-SVN: r246150

From-SVN: r246149

	PR middle-end/80020
	* builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
	* builtins.def (aligned_alloc): Use it.

	PR middle-end/80020
	* gcc.dg/attr-alloc_size-6.c: Correct aligned_alloc argument order.
	* gcc.dg/attr-alloc_size-7.c: Same.
	* gcc.dg/attr-alloc_size-9.c: Same.
	* gcc.dg/builtin-alloc-size.c: Same.
	* gcc.dg/pr80020.c: New test.

From-SVN: r246145

	PR c/79936
	* Makefile.in (GTFILES): Add calls.c.
	* calls.c: Include "gt-calls.h".

From-SVN: r246144

	PR rtl-optimization/79728
	* regs.h (struct target_regs): New field
	x_contains_allocatable_regs_of_mode.
	(contains_allocatable_regs_of_mode): New macro.
	* reginfo.c (init_reg_sets_1): Initialize it, and change
	contains_reg_of_mode so it includes global regs as well.
	* reload.c (push_reload): Use contains_allocatable_regs_of_mode
	rather than contains_regs_of_mode.

	PR rtl-optimization/79728
	* gcc.target/i386/sse-globalreg.c: New test.

From-SVN: r246138

2017-03-14  Martin Liska  <mliska@suse.cz>

	* doc/invoke.texi: Document options that can't be combined with
	-fcheck-pointer-bounds.

From-SVN: r246130

2017-03-14  Martin Liska  <mliska@suse.cz>

	PR middle-end/79831
	* doc/invoke.texi (-Wchkp): Document the option.

From-SVN: r246129

	PR libstdc++/79162
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
	(basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
	with a constrained template.
	[!_GLIBCXX_USE_CXX11_ABI]
	(basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
	* testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
	* testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.

From-SVN: r246128

	PR c++/79393 DR 1658 workaround
	* method.c (synthesized_method_base_walk): Inihibit abstract class
	virtual base access check here.
	(synthesized_method_walk): Not here.

From-SVN: r246126

2017-03-14  Martin Liska  <mliska@suse.cz>

	* Makefile.in: Install gcov-dump.

From-SVN: r246125

2017-03-14  Martin Liska  <mliska@suse.cz>

	* multiple_target.c (expand_target_clones): Bail out for
	an invalid attribute.

From-SVN: r246124

2017-03-14  Richard Biener  <rguenther@suse.de>

	* alias.c (struct alias_set_entry): Pack properly.
	* cfgloop.h (struct loop): Likewise.
	* cse.c (struct set): Likewise.
	* ipa-utils.c (struct searchc_env): Likewise.
	* loop-invariant.c (struct invariant): Likewise.
	* lra-remat.c (struct cand): Likewise.
	* recog.c (struct change_t): Likewise.
	* rtl.h (struct address_info): Likewise.
	* symbol-summary.h (function_summary): Likewise.
	* tree-loop-distribution.c (struct partition): Likewise.
	* tree-object-size.c (struct object_size_info): Likewise.
	* tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
	* tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
	* tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
	* tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
	* tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
	* tree-vectorizer.h (struct _loop_vec_info): Likewise.
	(struct _stmt_vec_info): Likewise.

From-SVN: r246121

2017-03-14  Martin Liska  <mliska@suse.cz>

	PR target/79892
	* multiple_target.c (create_dispatcher_calls): Check that
	a target can create a function dispatcher.

From-SVN: r246120

2017-03-14  Martin Liska  <mliska@suse.cz>

	PR lto/66295
	* multiple_target.c (expand_target_clones): Drop local.local
	flag for default implementation.
2017-03-14  Martin Liska  <mliska@suse.cz>

	PR lto/66295
	* gcc.dg/tree-prof/pr66295.c: New test.

From-SVN: r246119

2017-03-14  James Cowgill  <James.Cowgill@imgtec.com>

        * s-osinte-linux.ads (struct_sigaction): Use correct type for sa_flags.

From-SVN: r246118

2017-03-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80030
	* tree-vect-stmts.c (vectorizable_store): Plug memleak.

From-SVN: r246117

Without this my build breaks on older compilers like GCC-5.4.

gcc/ChangeLog:

2017-03-13  Kito Cheng  <kito.cheng@gmail.com>

       * config/riscv/riscv.c (riscv_emit_float_compare>: Use
       gcc_fallthrough() instead of __attribute__((fallthrough));

From-SVN: r246116

From-SVN: r246115