[gcc]

2018-03-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000-builtin.def (rs6000_speculation_barrier):
	Rename to ppc_speculation_barrier.
	* config/rs6000/rs6000.c (rs6000_init_builtins): Rename builtin to
	__builtin_ppc_speculation_barrier.

[gcc/testsuite]

2018-03-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/spec-barr-1.c: Change called function name to
	__builtin_ppc_speculation_barrier.

From-SVN: r258268

From-SVN: r258267

	* lambda.c (lambda_expr_this_capture): Handle local class NSDMI
	context.

From-SVN: r258264

	PR target/84700
	* combine.c (combine_simplify_rtx): Don't try to simplify if
	if_then_else_cond returned non-NULL, but either true_rtx or false_rtx
	are equal to x.

	* gcc.target/powerpc/pr84700.c: New test.

From-SVN: r258263

	PR c++/84684
	* constexpr.c (constexpr_call_hasher::equal): Return false if
	lhs->hash != rhs->hash.  Change return 1 to return true and
	return 0 to return false.

From-SVN: r258262

For POWER4..POWER8 we align loops of 5..8 instructions to 32 bytes
(instead of to 16 bytes) because that executes faster.  This is no
longer the case on POWER9, so we can just as well only align to 16
bytes.


	* config/rs6000/rs6000.c (rs6000_loop_align): Don't align tiny loops
	to 32 bytes when compiling for POWER9.

From-SVN: r258260

    
    Fix a small typo in the mksysinfo.sh script (incorrect input
    file for a grep command).
    
    Reviewed-on: https://go-review.googlesource.com/98635

From-SVN: r258259

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00227.html
	PR c++/84702
	* pt.c (process_template_arg): Mark lookup_keep on a default arg.

	PR c++/84702
	* g++.dg/lookup/pr84702.C: New.

From-SVN: r258258

	PR target/84564
	* config/i386/i386.c (ix86_function_ok_for_sibcall): Check for
	regparm >= 3 with no arg reg available also for calls with
	flag_force_indirect_call.  Pass decl to ix86_function_regparm.

	* gcc.target/i386/pr84564.c: New test.

From-SVN: r258256

	PR c++/84707
	* decl.c (duplicate_decls): Check DECL_NAME before accessing
	UDLIT_OPER_P.

	* g++.dg/cpp0x/inline-ns10.C: New test.

From-SVN: r258255

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00221.html
	PR c++/84694
	* friend.c (do_friend): Restore check for identifier_p inside
	TEMPLATE_ID_EXPR.

	PR c++/84694
	* g++.dg/template/pr84694.C: New.

From-SVN: r258254

	PR target/84524
	* config/i386/sse.md (*<code><mode>3): Replace <mask_prefix3> with
	orig,vex.
	(*<plusminus_insn><mode>3): Likewise.  Remove <mask_operand3> uses.

	* gcc.c-torture/execute/pr84524.c: New test.
	* gcc.target/i386/avx512bw-pr84524.c: New test.

From-SVN: r258252

re PR target/84264 (ICE in rs6000_emit_le_vsx_store, at config/rs6000/rs6000.c:10367 starting with r256656)

gcc/
	PR target/84264
	* config/rs6000/vector.md (mov<mode>): Disallow altivec memory operands.

gcc/testsuite/
	PR target/84264
	* g++.dg/pr84264.C: New test.

From-SVN: r258251

/cp
2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/84618
	* parser.c (cp_parser_lambda_introducer): Reject any capture not
	involving a VAR_DECL or a PARM_DECL.

/testsuite
2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/84618
	* g++.dg/cpp0x/lambda/lambda-ice29.C: New.
	* g++.dg/cpp0x/lambda/lambda-ice17.C: Adjust.
	* g++.dg/cpp0x/lambda/lambda-ice23.C: Likewise.

From-SVN: r258250

2018-03-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/84486
	* tree-ssa-pre.c (create_expression_by_pieces): Remove dead code.
	When inserting a __builtin_assume_aligned call set the LHS
	SSA name alignment info accordingly.

From-SVN: r258249

As discussed in the PR, the reassociation phase runs before FMAs are formed
and so can significantly reduce FMA opportunities.  Although reassociation
could be switched off, it helps in many cases, so a better alternative is to
only avoid reassociation of floating point additions.  This fixes the testcase
and gives 1% speedup on SPECFP2017, fixing the performance regression.

    gcc/
	PR tree-optimization/84114
	* config/aarch64/aarch64.c (aarch64_reassociation_width)
	Avoid reassociation of FLOAT_MODE addition.

From-SVN: r258248

2018-03-05  Olga Makhotina  <olga.makhotina@intel.com>

Enable WBOINVD and PCONFIG instructions.

gcc/
	* common/config/i386/i386-common.c (OPTION_MASK_ISA_PCONFIG_SET,
	OPTION_MASK_ISA_PCONFIG_UNSET, OPTION_MASK_ISA_WBNOINVD_SET,
	OPTION_MASK_ISA_WBNOINVD_UNSET): New definitions.
	(ix86_handle_option): Handle -mpconfig and -mwbnoinvd.
	* config.gcc (pconfigintrin.h, wbnoinvdintrin.h) : Add headers.
	* config/i386/cpuid.h (bit_PCONFIG, bit_WBNOINVD): New.
	* config/i386/driver-i386.c (host_detect_local_cpu): Detect -mpconfig
	and -mwbnoinvd.
	* config/i386/i386-builtin.def (__builtin_ia32_wbnoinvd,
	__builtin_ia32_wbinvd): New builtins.
	(SPECIAL_ARGS2): New.
	* config/i386/i386-c.c (__WBNOINVD__, __PCONFIG__): New.
	(SPECIAL_ARGS2): New.
	* config/i386/i386.c (ix86_target_string): Add -mpconfig and -mwbnoinvd.
	(ix86_valid_target_attribute_inner_p): Ditto.
	(ix86_init_mmx_sse_builtins): Add special_args2.
	* config/i386/i386.h (TARGET_PCONFIG, TARGET_PCONFIG_P, TARGET_WBNOINVD,
	TARGET_WBNOINVD_P): New.
	* config/i386/i386.md (UNSPECV_WBINVD, UNSPECV_WBNOINVD): New.
	(define_insn "wbinvd", define_insn "wbnoinvd"): New.
	* config/i386/i386.opt: Add -mpconfig and -mwbnoinvd.
	* config/i386/immintrin.h (_wbinvd): New intrinsic.
	* config/i386/pconfigintrin.h: New file.
	* config/i386/wbnoinvdintrin.h: Ditto.
	* config/i386/x86intrin.h: Add headers pconfigintrin.h and wbnoinvdintrin.h.
	* doc/invoke.texi (-mpconfig, -mwbnoinvd): New.

gcc/testsuite/
	* g++.dg/other/i386-2.C: Add -mpconfig and -mwbnoinvd.
	* g++.dg/other/i386-3.C: Ditto.
	* gcc.target/i386/sse-12.c: Ditto.
	* gcc.target/i386/sse-13.c: Ditto.
	* gcc.target/i386/sse-14.c: Ditto.
	* gcc.target/i386/sse-23.c: Add pconfig and wbnoinvd.
	* gcc.target/i386/wbinvd-1.c: New test.
	* gcc.target/i386/wbnoinvd-1.c: Ditto.
	* gcc.target/i386/pconfig-1.c: Ditto.

From-SVN: r258247

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00209.html
	PR c++/84497
	* decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.

	PR c++/84497
	* g++.dg/cpp0x/pr84497.C: New.

Co-Authored-By: Jason Merrill <jason@redhat.com>
Co-Authored-By: Nathan Sidwell <nathan@acm.org>

From-SVN: r258244

re PR tree-optimization/84670 (ICE: in compute_antic_aux, at tree-ssa-pre.c:2148 with -O2 -fno-tree-dominator-opts)

2018-03-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/84670
	* tree-ssa-pre.c (struct bb_bitmap_sets): Add visited_with_visited_succs
	member.
	(BB_VISITED_WITH_VISITED_SUCCS): New define.
	(compute_antic): Initialize BB_VISITED_WITH_VISITED_SUCCS.
	(compute_antic_aux): Only assert the number of values in ANTIC_IN
	doesn't grow if all successors (recursively) were visited at least
	once.

	* gcc.dg/pr84670-1.c: New testcase.
	* gcc.dg/pr84670-2.c: Likewise.
	* gcc.dg/pr84670-3.c: Likewise.
	* gcc.dg/pr84670-4.c: Likewise.

From-SVN: r258243

2018-03-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/84650
	* tree-ssa-loop-im.c (pass_lim::execute): Reset the SCEV cache
	if executed in the loop pipeline.

	* gcc.dg/graphite/pr84650.c: New testcase.

From-SVN: r258242

re PR c++/82022 (constexpr lambda in template context: expression ‘<lambda>’ is not a constant expression)

2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/82022
	* g++.dg/cpp1z/constexpr-lambda20.C: New.

From-SVN: r258241

2018-03-05  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/configfiles.texi (Configuration Files): Move info about
	conditionalizing $target-protos.h to...
	* doc/sourcebuild.texi (Back End): Here.  Explain how $target.h
	differs from $target-protos.h.

From-SVN: r258240

gcc/
	* config/nds32/nds32-protos.h (nds32_expand_setmem): Declare.
	* config/nds32/nds32-multiple.md (setmemsi): Define.
	* config/nds32/nds32-memory-manipulation.c
	(nds32_gen_dup_4_byte_to_word_value): New.
	(emit_setmem_word_loop): New.
	(emit_setmem_byte_loop): New.
	(nds32_expand_setmem_loop): New.
	(nds32_expand_setmem_loop_v3m): New.
	(nds32_expand_setmem_unroll): New.
	(nds32_expand_setmem): New.

Co-Authored-By: Chung-Ju Wu <jasonwucj@gmail.com>

From-SVN: r258239

From-SVN: r258238

gcc/
	*config/nds32/nds32-memory-manipulation.c
	(nds32_emit_load_store): New.
	(nds32_emit_post_inc_load_store): New.
	(nds32_emit_mem_move): New.
	(nds32_emit_mem_move_block): New.
	(nds32_expand_movmemsi_loop_unknown_size): New.
	(nds32_expand_movmemsi_loop_known_size): New.
	(nds32_expand_movmemsi_loop): New.
	(nds32_expand_movmemsi_unroll): New.
	(nds32_expand_movmemqi): Rename ...
	(nds32_expand_movmemsi): ... to this.
	*config/nds32/nds32-multiple.md (movmemqi): Rename ...
	(movmemsi): ... to this.
	*config/nds32/nds32-protos.h (nds32_expand_movmemqi): Rename ...
	(nds32_expand_movmemsi): ... to this.

Co-Authored-By: Chung-Ju Wu <jasonwucj@gmail.com>

From-SVN: r258235

gcc/
	* config/nds32/nds32-protos.h
	(nds32_expand_load_multiple): New arguments.
	(nds32_expand_store_multiple): Ditto.
	(nds32_valid_multiple_load_store): Rename ...
	(nds32_valid_multiple_load_store_p): ... to this.
	* config/nds32/nds32-memory-manipulation.c
	(nds32_expand_load_multiple): Refine implementation.
	(nds32_expand_store_multiple): Ditto.
	* config/nds32/nds32-multiple.md
	(load_multiple): Update nds32_expand_load_multiple interface.
	(store_multiple): Update nds32_expand_store_multiple interface.
	* config/nds32/nds32-predicates.c
	(nds32_valid_multiple_load_store): Rename ...
	(nds32_valid_multiple_load_store_p): ... to this and refine
	implementation.
	* config/nds32/predicates.md
	(nds32_load_multiple_and_update_address_operation): New predicate.
	(nds32_store_multiple_and_update_address_operation): New predicate.

Co-Authored-By: Chung-Ju Wu <jasonwucj@gmail.com>
Co-Authored-By: Monk Chiang <sh.chiang04@gmail.com>

From-SVN: r258234

gcc/
	* config/nds32/nds32.md (type): Add load_multiple and store_multiple.
	(combo): New attribute.
	* config/nds32/nds32-multiple.md: Refine patterns with new attributes.

Co-Authored-By: Chung-Ju Wu <jasonwucj@gmail.com>

From-SVN: r258232

	* cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.

From-SVN: r258231

2018-03-03  Harald Anlauf  <anlauf@gmx.de>

	PR fortran/71085
	* trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
	dereference NULL pointer.


2018-03-03  Harald Anlauf  <anlauf@gmx.de>

	PR fortran/71085
	* gfortran.dg/pr71085.f90: New test.

From-SVN: r258228

From-SVN: r258227

2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/66128
	* gfortran.dg/zero_sized_8.f90: Really commit new test.

From-SVN: r258224

2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/66128
	* simplify.c (is_size_zero_array): New function to check for size
	zero array.
	(gfc_simplify_all, gfc_simplify_any, gfc_simplify_count, 
	 gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
	 gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
	 gfc_simplify_product, gfc_simplify_sum): Use it, and implement
	requirements from F2018.

2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/66128
	* gfortran.dg/zero_sized_8.f90: New test.

From-SVN: r258223

From-SVN: r258221

re PR fortran/51434 (ICE with scalar init of an array parameter, used in DT default init with transfer)

2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/51434
	* simplify.c (gfc_simplify_transfer): Resolve mold.

2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/51434
	* gfortran.dg/pr51434.f90: New test.

From-SVN: r258220

2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/61358
	* g++.dg/cpp0x/lambda/lambda-61358.C: New.

From-SVN: r258219

2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/67370
	* g++.dg/cpp0x/lambda/lambda-67370.C: New.

From-SVN: r258218

/cp
2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71464
	* optimize.c (maybe_thunk_body): Bail out immediately if either
	fns[0] or fns[1] is null.

/testsuite
2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71464
	* g++.dg/torture/pr71464.C: New.

From-SVN: r258216

gcc/
	* config/nds32/nds32.opt: Change -mcmodel= default value.

From-SVN: r258215

gcc/
	* config/nds32/constants.md (unspec_element): New enum.
	* config/nds32/constraints.md (Umw): New constraint.
	* config/nds32/nds32-intrinsic.c: Add more builtin functions.
	* config/nds32/nds32-intrinsic.md: Likewise.
	* config/nds32/nds32-md-auxiliary.c (nds32_regno_to_enable4): New.
	(nds32_valid_smw_lwm_base_p): New.
	(nds32_output_smw_single_word): New.
	(nds32_output_lmw_single_word): New.
	(nds32_expand_unaligned_load): New.
	(nds32_expand_unaligned_store): New.
	* config/nds32/nds32-protos.h (nds32_valid_smw_lwm_base_p): Declare.
	(nds32_output_smw_single_word): Declare.
	(nds32_output_lmw_single_word): Declare.
	(nds32_expand_unaligned_load): Declare.
	(nds32_expand_unaligned_store): Declare.
	* config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_UALOAD_HW,
	NDS32_BUILTIN_UALOAD_W, NDS32_BUILTIN_UALOAD_DW,
	NDS32_BUILTIN_UASTORE_HW, NDS32_BUILTIN_UASTORE_W,
	NDS32_BUILTIN_UASTORE_DW.
	* config/nds32/predicates.md (nds32_lmw_smw_base_operand): New
	predicate.

Co-Authored-By: Chung-Ju Wu <jasonwucj@gmail.com>
Co-Authored-By: Monk Chiang <sh.chiang04@gmail.com>

From-SVN: r258214

gcc/
	* config/nds32/nds32-intrinsic.c
	(nds32_expand_builtin_null_ftype_reg): Delete.
	(nds32_expand_builtin_reg_ftype_imm): Ditto.
	(nds32_expand_builtin_null_ftype_reg_imm): Ditto.
	(nds32_read_argument): New.
	(nds32_legitimize_target): Ditto.
	(nds32_legitimize_argument): Ditto.
	(nds32_check_constant_argument): Ditto.
	(nds32_expand_unop_builtin): Ditto.
	(nds32_expand_unopimm_builtin): Ditto.
	(nds32_expand_binop_builtin): Ditto.
	(nds32_builtin_decl_impl): Ditto.
	(builtin_description): Ditto.
	(nds32_expand_builtin_impl): Rewrite with new infrastructure.
	(nds32_init_builtins_impl): Ditto.
	* config/nds32/nds32.c (TARGET_BUILTIN_DECL): Define.
	(nds32_builtin_decl): New.
	* config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_COUNT.
	* config/nds32/nds32-protos.h (nds32_builtin_decl_impl): Declare.

Co-Authored-By: Chung-Ju Wu <jasonwucj@gmail.com>
Co-Authored-By: Kito Cheng <kito.cheng@gmail.com>

From-SVN: r258211