Allow a target to prefer such operation depending on the operation mode.

gcc/
	* config/aarch64/aarch64-protos.h
	(AARCH64_APPROX_MODE): New macro.
	(AARCH64_APPROX_{NONE,ALL}): Likewise.
	(cpu_approx_modes): New structure.
	(tune_params): New member "approx_modes".
	* config/aarch64/aarch64-tuning-flags.def
	(AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
	* config/aarch64/aarch64.c
	({generic,exynosm1,xgene1}_approx_modes): New core
	"cpu_approx_modes" structures.
	(generic_tunings): New member "approx_modes".
	(cortexa35_tunings): Likewise.
	(cortexa53_tunings): Likewise.
	(cortexa57_tunings): Likewise.
	(cortexa72_tunings): Likewise.
	(exynosm1_tunings): Likewise.
	(thunderx_tunings): Likewise.
	(xgene1_tunings): Likewise.
	(use_rsqrt_p): New argument for the mode and use new member from
	"tune_params".
	(aarch64_builtin_reciprocal): Devise mode from builtin.
	(aarch64_optab_supported_p): New argument for the mode.
	* doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.

From-SVN: r237395

* inclhack.def (aix_stdlib_malloc): New fix.
(aix_stdlib_realloc): New fix.
(aix_stdlib_calloc): New fix.
(aix_stdlib_valloc): New fix.
* fixincl.x: Regenerate.
* test/base/stdlib.h [AIX_STDLIB_MALLOC]: New test.
[AIX_STDLIB_REALLOC]: New test.
[AIX_STDLIB_CALLOC]: New test.
[AIX_STDLIB_VALLOC]: New test.

From-SVN: r237394

	PR middle-end/71478
	* gcc.dg/pr71478.c: Remove dg-require-effective-target vect_int.
	Add -Wno-psabi -w to dg-options.

From-SVN: r237392

rs6000.h (RS6000_BTM_COMMON): Add the RS6000_BTM_MODULO flag into the set of flags that are considered to be...

gcc/ChangeLog:

2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
	RS6000_BTM_MODULO flag into the set of flags that are considered
	to be part of the common configuration.

From-SVN: r237391

gcc/ChangeLog:

2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/altivec.h (vec_absd): New macro for vector absolute
	difference unsigned.
	(vec_absdb): New macro for vector absolute difference unsigned
	byte.
	(vec_absdh): New macro for vector absolute difference unsigned
	half-word.
	(vec_absdw): New macro for vector absolute difference unsigned word.
	* config/rs6000/altivec.md (UNSPEC_VADU): New value.
	(vadu<mode>3): New insn.
	(*p9_vadu<mode>3): New insn.
	* config/rs6000/rs6000-builtin.def (vadub): New built-in
	definition.
	(vaduh): New built-in definition.
	(vaduw): New built-in definition.
	(vadu): New overloaded built-in definition.
	(vadub): New overloaded built-in definition.
	(vaduh): New overloaded built-in definition.
	(vaduw): New overloaded built-in definition.
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	overloaded vector absolute difference unsigned functions.
	* doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
	the ISA 3.0 vector absolute difference unsigned built-in functions.

gcc/testsuite/ChangeLog:

2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* gcc.target/powerpc/vadsdu-0.c: New test.
	* gcc.target/powerpc/vadsdu-1.c: New test.
	* gcc.target/powerpc/vadsdu-2.c: New test.
	* gcc.target/powerpc/vadsdu-3.c: New test.
	* gcc.target/powerpc/vadsdu-4.c: New test.
	* gcc.target/powerpc/vadsdu-5.c: New test.
	* gcc.target/powerpc/vadsdub-1.c: New test.
	* gcc.target/powerpc/vadsdub-2.c: New test.
	* gcc.target/powerpc/vadsduh-1.c: New test.
	* gcc.target/powerpc/vadsduh-2.c: New test.
	* gcc.target/powerpc/vadsduw-1.c: New test.
	* gcc.target/powerpc/vadsduw-2.c: New test.

From-SVN: r237390

tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and update shared_lookup_references only once after changing...

	* tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
	update shared_lookup_references only once after changing operands.

From-SVN: r237388

gcc/c/ChangeLog:
	* c-parser.c (c_parser_initelt): Provide location of name for new
	location_t param of set_init_label.
	* c-tree.h (set_init_label): Add location_t param.
	* c-typeck.c (set_init_index): Add "fieldname_loc" location_t
	param and use it when issuing error messages about unrecognized
	field names.  Attempt to provide a fixit hint if appropriate,
	otherwise update the error message to provide the type name.

gcc/testsuite/ChangeLog:
	* gcc.dg/c99-init-2.c (c): Update expected error message.
	* gcc.dg/init-bad-8.c (foo): Likewise.
	* gcc.dg/spellcheck-fields-3.c: New test case.

From-SVN: r237387

	gcc/
	PR middle-end/71373
	* tree-nested.c (convert_nonlocal_omp_clauses)
	(convert_local_omp_clauses): Document missing OMP_CLAUSE_*.

From-SVN: r237386

From-SVN: r237385

	gcc/
	* tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
	* tree.def (CASE_LABEL_EXPR): Likewise.

From-SVN: r237384

2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* input.c (test_builtins): Fix an assertion.

From-SVN: r237383

	* config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
	(paritysi2): Ditto.
	(isinfxf2): Ditto.
	(isinf<mode>2): Ditto.

From-SVN: r237382

	* ggc-tests.c (test_finalization): Only test need_finalization_p
	for GCC_VERSION >= 4003.

From-SVN: r237381

	* gcc.dg/predict-1.c: Distinguish between "loop iv compare"
	and "guess loop iv compared" heuristics.
	* gcc.dg/predict-2.c: Likewise.
	* gcc.dg/predict-3.c: Likewise.
	* gcc.dg/predict-4.c: Likewise.
	* gcc.dg/predict-5.c: Likewise.
	* gcc.dg/predict-6.c: Likewise.

From-SVN: r237380

gcc/ChangeLog:

2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/vecintrin.h: Fix file description in comment.

From-SVN: r237378

gcc/ChangeLog:

2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390-builtin-types.def: Change builtin type naming
	scheme to match builtin-types.def.

From-SVN: r237377

2016-06-13  Marc Glisse  <marc.glisse@inria.fr>

	* fold-const.c (optimize_minmax_comparison): Remove.
	(fold_comparison): Remove call to the above.
	* match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
	New transformations.

From-SVN: r237376

re PR tree-optimization/71416 (ICE at -O3 in 32-bit and 64-bit modes on x86_64-linux-gnu (vectorizable_live_operation))

2016-06-13  Alan Hayward  <alan.hayward@arm.com>

gcc/
	PR tree-optimization/71416
	* tree-vect-loop.c (vectorizable_live_operation): Let worklist have
	multiple entries

From-SVN: r237375

	* predict.c (enum predictor_reason): Prefix enum with REASON_.
	(combine_predictions_for_insn): Likewise.
	(prune_predictions_for_bb): Likewise.
	(combine_predictions_for_bb): Likewise.

From-SVN: r237370

re PR tree-optimization/71505 (-O3 internal compiler error in vect_analyze_data_ref_accesses, at tree-vect-data-refs.c:2596)

2016-06-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71505
	* tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
	assert match comment.

From-SVN: r237368

	PR middle-end/71476
	* gimplify.c (maybe_warn_switch_unreachable): Factored out of
	gimplify_switch_expr.
	(warn_switch_unreachable_r): New function.

	* c-c++-common/Wswitch-unreachable-4.c: New test.
	* gcc.dg/Wswitch-unreachable-2.c: New test.
	* g++.dg/tm/jump1.C: Move dg-warning.

From-SVN: r237367

gcc/ChangeLog:

2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/71379
	* config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
	one.

From-SVN: r237364

2016-06-13  Richard Biener  <rguenther@suse.de>

	* download_prerequisites (ISL): Bump version to 0.16.1

From-SVN: r237363

	* gcc-interface/decl.c (gnat_to_gnu_subprog_type): Build only a minimal
	PARM_DECL when the parameter type is dummy.
	* gcc-interface/trans.c (Call_to_gnu): Translate formal types before
	formal objects.

From-SVN: r237362

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Variable>: Deal with
	PLUS_EXPR in the expression of a renaming.

From-SVN: r237360

2016-06-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/70673
	* frontend-passes.c (realloc_string_callback): Add a call to
	gfc_dep_compare_expr.

2016-06-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/70673
	* gfortran.dg/pr70673.f90: New test.

From-SVN: r237358

	* generate_libstdcxx_web_docs: Use realpath to get absolute path.

	Add comment about LaTeX errors.

From-SVN: r237357

	* gcc-interface/utils2.c (known_alignment) <CALL_EXPR>: Deal specially
	with calls to malloc.

From-SVN: r237356

2016-06-13  Richard Biener  <rguenther@suse.de>

	PR middle-end/64516
	* fold-const.c (fold_unary_loc): Preserve alignment when
	folding a VIEW_CONVERT_EXPR into a MEM_REF.

	* gcc.dg/align-3.c: New testcase.

From-SVN: r237355

2016-06-13  Paolo Carlini  <paolo.carlini@oracle.com>

	* decl.c (grokdeclarator): Fix typo in pedwarn text.

From-SVN: r237354

	PR sanitizer/71458
	* toplev.c (process_options): Do not enable -fcheck-pointer-bounds
	w/ -fsanitize=bounds.
	* gcc.target/i386/pr71458.c: New test.

From-SVN: r237353

From-SVN: r237349

	* config/i386/i386.c (ix86_init_builtins): Calculate
	FLOAT128_FTYPE_CONST_STRING function type only once.
	* doc/extend.texi (x86 Built-in Functions): Update text, __float128
	built-in functions are available for x86-32 and x86-64 targets.

From-SVN: r237342

	* doc/extend.texi (x86 Built-in Functions): Document
	__builtin_nanq and __builtin_nansq.

From-SVN: r237339

	PR target/71241
	* config/i386/i386.i386-builtin-types.def (CONST_STRING):
	New primitive type.
	(FLOAT128_FTYPE_CONST_STRING): New function type.
	* config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
	[IX86_BUILTIN_NANSQ]: Ditto.
	(ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
	(ix86_init_builtin_types) Declare const_string_type_node.
	Add __builtin_nanq and __builtin_nansq builtin functions.
	(ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
	* doc/extend.texi (x86 Built-in Functions): Document
	__builtin_nanq and __builtin_nansq.

testsuite/ChangeLog:

	PR target/71241
	* testsuite/gcc.dg/torture/float128-nan.c: New test.

From-SVN: r237338

From-SVN: r237336

2016-06-12  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR target/60751
	* gfortran.dg/guality/pr41558.f90: Remove extra comma in WRITE
	statement.

From-SVN: r237332

	PR target/71061
	* config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
	* config/arm/arm.c (arm_attr_length_pop_multi): New function to return
	length for pop patterns.
	(arm_attr_length_push_multi): Update comments.
	* config/arm/arm.md (*load_multiple_with_writeback): Set "length"
	attribute.
	(*pop_multiple_with_writeback_and_return): Likewise.
	(*pop_multiple_with_return): Likewise.

From-SVN: r237331

2016-06-11  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR target/60751
	* gfortran.dg/comma_IO_extension_1.f90: New test.
	* gfortran.dg/comma_IO_extension_2.f90: Likewise.

From-SVN: r237330

2016-06-11  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR fortran/60751
	* io.c (gfc_resolve_dt): Replace GFC_STD_GNU with GFC_STD_LEGACY.

	* gfortran.dg/comma_IO_extension_1.f90: New test.
	* gfortran.dg/comma_IO_extension_2.f90: Likewise.
	* gfortran.dg/array_constructor_49.f90: Remove extra comma in WRITE
	statement.
	* gfortran.dg/graphite/pr38083.f90: Likewise.
	* gfortran.dg/integer_exponentiation_6.F90: Likewise and add
	missing format.

--This line

M    fortran/ChangeLog
M    fortran/io.c
M    testsuite/ChangeLog
M    testsuite/gfortran.dg/array_constructor_49.f90
M    testsuite/gfortran.dg/graphite/pr38083.f90
M    testsuite/gfortran.dg/integer_exponentiation_6.F90

From-SVN: r237329