gcc/
	* config/nds32/constants.md (UNSPEC_VOLATILE_FUNC_RETURN): Remove.

From-SVN: r254799

gcc/
	* config/nds32/nds32.opt: Add mext-perf, mext-perf2, mext-string.
	* config/nds32/nds32.opt: Refine the layout.
	* config/nds32/nds32.c (TARGET_EXT_PERF, TARGET_EXT_PERF2,
	TARGET_EXT_STRING): Support new options.
	* config/nds32/nds32.h: Likewise.
	* config/nds32/nds32.md: Likewise.
	* config/nds32/nds32-predicates.c: Likewise.
	* config/nds32/constraints.md: Likewise.
	* common/config/nds32/nds32-common.c: Likewise.

Co-Authored-By: Kito Cheng <kito.cheng@gmail.com>

From-SVN: r254798

gcc/
	PR target/82983
	* config/i386/gfniintrin.h: Add sse check.
	* config/i386/i386.c (ix86_expand_builtin): Fix gfni check.

From-SVN: r254797

gcc/
	* common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VBMI2_SET,
	OPTION_MASK_ISA_AVX512VBMI2_UNSET): New.
	(ix86_handle_option): Handle -mavx512vbmi2.
	* config/i386/cpuid.h: Add bit_AVX512VBMI2.
	* config/i386/driver-i386.c (host_detect_local_cpu): Handle new bit.
	* config/i386/i386-c.c (__AVX512VBMI2__): New.
	* config/i386/i386.c (ix86_target_string): Handle -mavx512vbmi2.
	(ix86_valid_target_attribute_inner_p): Ditto.
	* config/i386/i386.h (TARGET_AVX512VBMI2, TARGET_AVX512VBMI2_P): New.
	* config/i386/i386.opt (mavx512vbmi2): New option.
	* doc/invoke.texi: Add new option.

From-SVN: r254796

gcc/
	* config/i386/gfniintrin.h (_mm_gf2p8mul_epi8, _mm256_gf2p8mul_epi8,
	_mm_mask_gf2p8mul_epi8, _mm_maskz_gf2p8mul_epi8,
	_mm256_mask_gf2p8mul_epi8, _mm256_maskz_gf2p8mul_epi8,
	_mm512_mask_gf2p8mul_epi8, _mm512_maskz_gf2p8mul_epi8,
	_mm512_gf2p8mul_epi8): New intrinsics.
	* config/i386/i386-builtin-types.def
	(V64QI_FTYPE_V64QI_V64QI): New type.
	* config/i386/i386-builtin.def (__builtin_ia32_vgf2p8mulb_v64qi,
	__builtin_ia32_vgf2p8mulb_v64qi_mask, __builtin_ia32_vgf2p8mulb_v32qi,
	__builtin_ia32_vgf2p8mulb_v32qi_mask, __builtin_ia32_vgf2p8mulb_v16qi,
	__builtin_ia32_vgf2p8mulb_v16qi_mask): New builtins.
	* config/i386/sse.md (vgf2p8mulb_*): New pattern.
	* config/i386/i386.c (ix86_expand_args_builtin): Handle new type.
gcc/testsuite/
	* gcc.target/i386/avx512f-gf2p8mulb-2.c: New runtime tests.
	* gcc.target/i386/avx512vl-gf2p8mulb-2.c: Ditto.
	* gcc.target/i386/gfni-1.c: Add tests for GF2P8MUL.
	* gcc.target/i386/gfni-2.c: Ditto.
	* gcc.target/i386/gfni-3.c: Ditto.
	* gcc.target/i386/gfni-4.c: Ditto.

From-SVN: r254795

From-SVN: r254794

From-SVN: r254793

	* config/i386/i386.c (x86_print_call_or_nop): Emit 5 byte nop
	explicitly as a stream of bytes.

From-SVN: r254788

[gcc]

2017-11-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/altivec.h (vec_xst_be): New #define.
	* config/rs6000/altivec.md (altivec_vperm_<mode>_direct): Rename
	and externalize from *altivec_vperm_<mode>_internal.
	* config/rs6000/rs6000-builtin.def (XL_BE_V16QI): Remove macro
	instantiation.
	(XL_BE_V8HI): Likewise.
	(XL_BE_V4SI): Likewise.
	(XL_BE_V4SI): Likewise.
	(XL_BE_V2DI): Likewise.
	(XL_BE_V4SF): Likewise.
	(XL_BE_V2DF): Likewise.
	(XST_BE): Add BU_VSX_OVERLOAD_X macro instantiation.
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Correct
	all array entries with these keys: VSX_BUILTIN_VEC_XL,
	VSX_BUILTIN_VEC_XL_BE, VSX_BUILTIN_VEC_XST.  Add entries for key
	VSX_BUILTIN_VEC_XST_BE.
	* config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Remove.
	(altivec_expand_builtin): Remove handling for VSX_BUILTIN_XL_BE_*
	built-ins.
	(altivec_init_builtins): Replace conditional calls to def_builtin
	for __builtin_vsx_ld_elemrev_{v8hi,v16qi} and
	__builtin_vsx_st_elemrev_{v8hi,v16qi} based on TARGET_P9_VECTOR
	with unconditional calls.  Remove calls to def_builtin for
	__builtin_vsx_le_be_<mode>.  Add a call to def_builtin for
	__builtin_vec_xst_be.
	* config/rs6000/vsx.md (vsx_ld_elemrev_v8hi): Convert define_insn
	to define_expand, and add alternate RTL generation for P8.
	(*vsx_ld_elemrev_v8hi_internal): New define_insn based on
	vsx_ld_elemrev_v8hi.
	(vsx_ld_elemrev_v16qi): Convert define_insn to define_expand, and
	add alternate RTL generation for P8.
	(*vsx_ld_elemrev_v16qi_internal): New define_insn based on
	vsx_ld_elemrev_v16qi.
	(vsx_st_elemrev_v8hi): Convert define_insn
	to define_expand, and add alternate RTL generation for P8.
	(*vsx_st_elemrev_v8hi_internal): New define_insn based on
	vsx_st_elemrev_v8hi.
	(vsx_st_elemrev_v16qi): Convert define_insn to define_expand, and
	add alternate RTL generation for P8.
	(*vsx_st_elemrev_v16qi_internal): New define_insn based on
	vsx_st_elemrev_v16qi.

[gcc/testsuite]

2017-11-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/swaps-p8-26.c: Modify expected code
	generation.

From-SVN: r254787

gcc/testsuite/ChangeLog:

	PR testsuite/82988
	* g++.dg/cpp0x/lambda/lambda-switch.C: Prune unimportant warning.

From-SVN: r254786

* include/std/numeric (gcd): Use remove_cv_t, not remove_cv.

From-SVN: r254785

From-SVN: r254784

Add X86_TUNE_EMIT_VZEROUPPER to indicate if vzeroupper instruction should
be inserted before a transfer of control flow out of the function.  It is
turned on by default unless we are tuning for KNL.  Users can always use
-mzeroupper or -mno-zeroupper to override X86_TUNE_EMIT_VZEROUPPER.

gcc/

	PR target/82990
	* config/i386/i386.c (pass_insert_vzeroupper::gate): Remove
	TARGET_AVX512ER check.
	(ix86_option_override_internal): Set MASK_VZEROUPPER if
	neither -mzeroupper nor -mno-zeroupper is used and
	TARGET_EMIT_VZEROUPPER is set.
	* config/i386/i386.h (TARGET_EMIT_VZEROUPPER): New.
	* config/i386/x86-tune.def: Add X86_TUNE_EMIT_VZEROUPPER.

gcc/testsuite/

	PR target/82990
	* gcc.target/i386/pr82942-2.c: Add -mtune=knl.
	* gcc.target/i386/pr82990-1.c: New test.
	* gcc.target/i386/pr82990-2.c: Likewise.
	* gcc.target/i386/pr82990-3.c: Likewise.
	* gcc.target/i386/pr82990-4.c: Likewise.
	* gcc.target/i386/pr82990-5.c: Likewise.
	* gcc.target/i386/pr82990-6.c: Likewise.
	* gcc.target/i386/pr82990-7.c: Likewise.

From-SVN: r254783

2017-11-15  Will Schmidt  <will_schmidt@vnet.ibm.com>

[gcc]

	* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add support for
	folding of vector compares.
	(fold_build_vec_cmp): New helper function.
	(fold_compare_helper): New helper function.
	(builtin_function_type): Add compare builtins to the list of functions
	having unsigned arguments.  Cosmetic updates to comment indentation.
	* config/rs6000/vsx.md (vcmpneb, vcmpneh, vcmpnew): Update to specify
	the not+eq combination.

[testsuite]

	* gcc.target/powerpc/builtins-3-p9.c: Add -O1, update
	expected codegen checks.
	* gcc.target/powerpc/vec-cmp-sel.c: Mark vars as volatile.
	* gcc.target/powerpc/vsu/vec-cmpne-0.c: Add -O1.
	* gcc.target/powerpc/vsu/vec-cmpne-1.c: Add -O1.
	* gcc.target/powerpc/vsu/vec-cmpne-2.c: Add -O1.
	* gcc.target/powerpc/vsu/vec-cmpne-3.c: Add -O1.
	* gcc.target/powerpc/vsu/vec-cmpne-4.c: Add -O1.
	* gcc.target/powerpc/vsu/vec-cmpne-5.c: Add -O1.
	* gcc.target/powerpc/vsu/vec-cmpne-6.c: Add -O1.

From-SVN: r254782

	* testsuite/27_io/filesystem/iterators/directory_iterator.cc: Leave
	error_code unset.
	* testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
	Check for past-the-end before dereferencing.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Likewise.

From-SVN: r254781

2017-11-15  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/78240
	gfortran.dg/pr78240.f90: Prune run-on errors.

From-SVN: r254780

	* include/bits/range_access.h (size, empty, data): Add conditional
	noexcept to generic overloads.

From-SVN: r254779

	PR tree-optimization/82726
	PR tree-optimization/70754
	* tree-predcom.c (order_drefs_by_pos): New function.
	(combine_chains): Move code setting has_max_use_after to...
	(try_combine_chains): ...here.  New parameter.  Sort combined chains
	according to position information.
	(tree_predictive_commoning_loop): Update call to above function.
	(update_pos_for_combined_chains, pcom_stmt_dominates_stmt_p): New.

	gcc/testsuite
	* gcc.dg/tree-ssa/pr82726.c: New test.

From-SVN: r254778

	PR tree-optimization/82726
	Revert
	2017-01-23  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/70754
	* tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
	(reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
	combined stmt before it if not NULL.
	(combine_chains): Process refs reversely and compute dominance point
	for root ref.

	Revert
	2017-02-23  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/79663
	* tree-predcom.c (combine_chains): Process refs in reverse order
	only for ZERO length chains, and add explaining comment.

From-SVN: r254777

2017-11-15  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/arm-cpus.in (armv8_3, ARMv8_3a, armv8.3-a): New
        * config/arm/arm-tables.opt (armv8.3-a): Regenerated.
        * doc/invoke.texi (ARM Options): Add armv8.3-a.

From-SVN: r254776

2017-11-15  Tamar Christina  <tamar.christina@arm.com>

	* config/arm/arm.h (TARGET_DOTPROD): Add arm_arch8_2.

From-SVN: r254775

Jim has recently started working at SiFive, where he'll be contributing
to our GCC port.  Andrew, Kito and I would like him to be a mainatiner.
My understand is that this is the right place to ask.

I've also changed my address to my SiFive one, where I also work -- it
seems cleaner to have everyone use our proper email address.

ChangeLog

2017-11-15  Palmer Dabbelt  <palmer@sifive.com>

        * MAINTAINERS (RISC-V): Add Jim Wilson as a maintainer.
        Use my SiFive email address.

From-SVN: r254774

This patch fixes a couple of more tests that are giving out warnings with -Wreturn-type:
- g++.dg/ext/pr57735.C
- gcc.target/arm/pr54300.C

*** gcc/testsuite/ChangeLog ***

2017-11-10  Sudakshina Das  <sudi.das@arm.com>

        * g++.dg/ext/pr57735.C: Add -Wno-return-type for test.
        * gcc.target/arm/pr54300.C (main): Add return type and
        return a value.

From-SVN: r254773

2017-11-15  Tom de Vries  <tom@codesourcery.com>

	* gcc.dg/strncpy-fix-1.c: Add -Wno-stringop-truncation to dg-options.

From-SVN: r254772

2017-11-15  Dominique d'Humieres  <dominiq@lps.ens.fr>

	* gcc.target/i386/pr81706.c: Adjust asm for darwin.
	* g++.dg/ext/pr81706.C: Likewise.

From-SVN: r254770

2017-11-15  Tom de Vries  <tom@codesourcery.com>

	* testsuite/libgomp.oacc-c-c++-common/f-asyncwait-1.c: New test, copied
	from asyncwait-1.f90.  Rewrite into C.  Rewrite from float to int.
	* testsuite/libgomp.oacc-c-c++-common/f-asyncwait-2.c: New test, copied
	from asyncwait-2.f90.  Rewrite into C.  Rewrite from float to int.
	* testsuite/libgomp.oacc-c-c++-common/f-asyncwait-3.c: New test, copied
	from asyncwait-3.f90.  Rewrite into C.  Rewrite from float to int.

From-SVN: r254769

https://gcc.gnu.org/ml/gcc-patches/2017-11/msg01200.html
	PR c++/81574
	* lambda.c (lambda_capture_field_type): Function references are
	always catured by reference.

	PR c++/81574
	* g++.dg/cpp1y/pr81574.C: New.

From-SVN: r254768

2017-11-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82985
	* g++.dg/torture/pr82985.C: Likewise.

From-SVN: r254767

2017-11-15  Martin Liska  <mliska@suse.cz>

	* decl.c (begin_destructor_body): Use cp_build_fold_indirect_ref
	instead of cp_build_indirect_ref.

From-SVN: r254765

2017-11-15  Martin Liska  <mliska@suse.cz>

	* tree-cfg.c (pass_warn_function_return::execute):
	Compare warn_return_type for greater than zero.
2017-11-15  Martin Liska  <mliska@suse.cz>

	* options.c (gfc_post_options):
	Do not set default value of warn_return_type.
	* trans-decl.c (gfc_trans_deferred_vars):
	Compare warn_return_type for greater than zero.
	(generate_local_decl): Likewise
	(gfc_generate_function_code): Likewise.

From-SVN: r254764

2017-11-15  Sebastian Peryt  <sebastian.peryt@intel.com>

gcc/

	PR target/82941
	PR target/82942
	* config/i386/i386.c (pass_insert_vzeroupper): Modify gate condition
	to return true on Xeon and not on Xeon Phi.
	(ix86_check_avx256_register): Changed to ...
	(ix86_check_avx_upper_register): ... this. Add extra check for
	VALID_AVX512F_REG_OR_XI_MODE.
	(ix86_avx_u128_mode_needed): Changed
	ix86_check_avx256_register to ix86_check_avx_upper_register.
	(ix86_check_avx256_stores): Changed to ...
	(ix86_check_avx_upper_stores): ... this. Changed
	ix86_check_avx256_register to ix86_check_avx_upper_register.
	(ix86_avx_u128_mode_after): Changed
	avx_reg256_found to avx_upper_reg_found. Changed
	ix86_check_avx256_stores to ix86_check_avx_upper_stores.
	(ix86_avx_u128_mode_entry): Changed
	ix86_check_avx256_register to ix86_check_avx_upper_register.
	(ix86_avx_u128_mode_exit): Ditto.
	* config/i386/i386.h: (host_detect_local_cpu): New define.

2017-11-15  Sebastian Peryt  <sebastian.peryt@intel.com>
	
gcc/testsuite/

	PR target/82941
	PR target/82942
	* gcc.target/i386/pr82941-1.c: New test.
	* gcc.target/i386/pr82941-2.c: New test.
	* gcc.target/i386/pr82942-1.c: New test.
	* gcc.target/i386/pr82942-2.c: New test.

From-SVN: r254763

* MAINTAINERS (write after approval): Add myself.

From-SVN: r254762

	* g++.dg/cpp0x/rv-trivial-bug.C (test2): Return a value.

From-SVN: r254760

2017-11-15  Dominik Infuehr  <dominik.infuehr@theobroma-systems.com>

	* config/arm/xgene1.md (xgene1): Split into automatons
	xgene1_main, xgene1_decoder, xgene1_div, xgene1_simd.
	(xgene1_f_load): Adjust reservations and/or types.
	(xgene1_f_store): Likewise.
	(xgene1_load_pair): Likewise.
	(xgene1_store_pair): Likewise.
	(xgene1_fp_load1): Likewise.
	(xgene1_load1): Likewise.
	(xgene1_store1): Likewise.
	(xgene1_move): Likewise.
	(xgene1_alu): Likewise.
	(xgene1_simd): Likewise.
	(xgene1_bfm): Likewise.
	(xgene1_neon_load1): Likewise.
	(xgene1_neon_store1): Likewise.
	(xgene1_neon_logic): Likewise.
	(xgene1_neon_st1): Likewise.
	(xgene1_neon_ld1r): Likewise.
	(xgene1_alu_cond): Added.
	(xgene1_shift_reg): Likwise.
	(xgene1_bfx): Likewise.
	(xgene1_mul): Split into xgene1_mul32, xgene1_mul64.

From-SVN: r254759

	PR target/82981
	* internal-fn.c: Include gimple-ssa.h, tree-phinodes.h and
	ssa-iterators.h.
	(can_widen_mult_without_libcall): New function.
	(expand_mul_overflow): If only checking unsigned mul overflow,
	not result, and can do efficiently MULT_HIGHPART_EXPR, emit that.
	Don't use WIDEN_MULT_EXPR if it would involve a libcall, unless
	no other way works.  Add MULT_HIGHPART_EXPR + MULT_EXPR support.
	(expand_DIVMOD): Formatting fix.
	* expmed.h (expand_mult): Add NO_LIBCALL argument.
	* expmed.c (expand_mult): Likewise.  Use OPTAB_WIDEN rather
	than OPTAB_LIB_WIDEN if NO_LIBCALL is true, and allow it to fail.

	* gcc.target/mips/pr82981.c: New test.

From-SVN: r254758

re PR tree-optimization/82977 (AddressSanitizer: heap-use-after-free in strlen_optimize_stmt .././../gcc/tree-ssa-strlen.c:2971)

	PR tree-optimization/82977
	* tree-ssa-strlen.c (strlen_optimize_stmt): Pass a reference to a copy
	constructed temporary to strlen_to_stridx.put.

From-SVN: r254757

2017-11-15  Martin Liska  <mliska@suse.cz>

	* configure.ac: Remove -fkeep-inline-functions from coverage_flags.
	* configure: Regenerate.

From-SVN: r254756

2017-11-15  Martin Liska  <mliska@suse.cz>

	PR target/82927
	* config/sh/sh-mem.cc: Use proper probability for
	REG_BR_PROB_NOTE.

From-SVN: r254755

2017-11-15  Martin Liska  <mliska@suse.cz>

	* decl.c (begin_destructor_body): In case of VPTR sanitization
	(with disabled recovery), zero vptr in order to catch virtual calls
	after lifetime of an object.
2017-11-15  Martin Liska  <mliska@suse.cz>

	* g++.dg/ubsan/vptr-12.C: New test.

From-SVN: r254754

explow.c (anti_adjust_stack_and_probe_stack_clash): Avoid probing the red zone for stack_clash_protection_final_dynamic_probe...

	* explow.c (anti_adjust_stack_and_probe_stack_clash): Avoid probing
	the red zone for stack_clash_protection_final_dynamic_probe targets
	when the total dynamic stack size is zero bytes.

From-SVN: r254753