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Author SHA1 Message Date
Richard Biener
36a9f50ca9 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 13:18:12 +00:00
Richard Biener
144a822fec re PR tree-optimization/84650 ([graphite] ICE: Segmentation fault (in create_new_iv)) 
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
 2018-03-05 12:49:07 +00:00
Paolo Carlini
a0445a5fb1 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 10:19:11 +00:00
Sandra Loosemore
e095eec19a configfiles.texi (Configuration Files): Move info about conditionalizing $target-protos.h to... 
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
 2018-03-05 01:31:24 -05:00
Kito Cheng
142439c50c [NDS32] Implment setmem pattern. 
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
 2018-03-05 02:27:30 +00:00
GCC Administrator
9322e1aa5c Daily bump. 
From-SVN: r258238
 2018-03-05 00:16:13 +00:00
Kito Cheng
eab7aaedc7 [NDS32] Rename nds32_expand_movmemqi to nds32_expand_movmemsi and rewrite its implementation. 
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
 2018-03-04 16:43:09 +00:00
Kito Cheng
32a6f4f488 [NDS32] Refine load_multiple and store_multiple. 
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
 2018-03-04 16:27:34 +00:00
Kito Cheng
264159d28c [NDS32] Add load_multiple,store_multiple and new attribute combo. 
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
 2018-03-04 07:58:34 +00:00
Jason Merrill
38946ea192 PR c++/84686 - missing volatile loads. 
* cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.

From-SVN: r258231
 2018-03-04 00:32:39 -05:00
Harald Anlauf
ac80378f4a re PR fortran/71085 (ICE with some intrinsic functions specifying array function result dimension) 
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
 2018-03-04 01:37:13 +00:00
GCC Administrator
6979a6b3d1 Daily bump. 
From-SVN: r258227
 2018-03-04 00:16:17 +00:00
Steven G. Kargl
42ce31c577 re PR fortran/66128 (ICE for some intrinsics with zero sized array parameter) 
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 19:59:54 +00:00
Steven G. Kargl
94e6b5e5a6 re PR fortran/66128 (ICE for some intrinsics with zero sized array parameter) 
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
 2018-03-03 19:49:20 +00:00
Joseph Myers
250540af39 * da.po: Update. 
From-SVN: r258221
 2018-03-03 18:55:20 +00:00
Steven G. Kargl
a900a06092 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 18:20:32 +00:00
Paolo Carlini
88aa59ff7e re PR c++/61358 (Bogus "duplicate label" error after label used within C++11 lambda) 
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 18:18:25 +00:00
Paolo Carlini
5a4dbaa824 re PR c++/67370 (Invalid "parameter packs not expanded" error in lambda capture) 
2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>

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

From-SVN: r258218
 2018-03-03 18:09:27 +00:00
Paolo Carlini
c94a3f9f65 re PR c++/71464 (ICE on invalid code (with redeclared constructor) at -Os: Segmentation fault) 
/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
 2018-03-03 17:48:23 +00:00
Chung-Ju Wu
6855fa2131 [NDS32] Change to large model by default. 
gcc/
	* config/nds32/nds32.opt: Change -mcmodel= default value.

From-SVN: r258215
 2018-03-03 16:47:10 +00:00
Kito Cheng
e576ddb5eb [NDS32] Add intrinsic functions for unalignment memory access. 
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
 2018-03-03 16:38:14 +00:00
Monk Chiang
7a12ea32b2 [NDS32] Rewrite infrastructure for intrinsic. 
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
 2018-03-03 16:05:25 +00:00
Paul Thomas
c8bd326c47 re PR fortran/80965 (ICE with class argument and -O2 optimization) 
2018-03-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/80965
	* resolve.c (build_loc_call): Change symtree name from 'loc' to
	'_loc'.

2018-03-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/80965
	* gfortran.dg/select_type_41.f90: New test.

From-SVN: r258195
 2018-03-03 13:34:10 +00:00
Paolo Carlini
129c8d7e33 re PR c++/61135 (It seems to be not able to call virtual method of literal object in lambda expression) 
2018-03-02  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/61135
	* g++.dg/cpp0x/lambda/lambda-61135.C: New.

From-SVN: r258165
 2018-03-03 00:28:03 +00:00
GCC Administrator
e176bb081b Daily bump. 
From-SVN: r258163
 2018-03-03 00:16:23 +00:00
Joseph Myers
3c41806ba9 * es.po: Update. 
From-SVN: r258160
 2018-03-02 23:55:25 +00:00
Jeff Law
e9d03821f0 reorg.c (stop_search_p): Handle DEBUG_INSN. 
* reorg.c (stop_search_p): Handle DEBUG_INSN.
	(redundant_insn, fill_simple_delay_slots): Likewise.
	(fill_slots_from_thread): Likewise.
	* resource.c (mark_referenced_resources): Likewise.
	(mark_set_resources, find_dead_or_set_registers): Likewise.

From-SVN: r258158
 2018-03-02 16:47:56 -07:00
Jonathan Wakely
2f03003dcc PR libstdc++/84671 handle digit separators in duration literals 
PR libstdc++/84671
	* include/bits/parse_numbers.h (_Number_help): Add partial
	specialization to handle digit separators. Adjust partial
	specialization for recursion temrination to require _Pow == 1ULL.
	* testsuite/20_util/duration/literals/84671.cc: New

From-SVN: r258157
 2018-03-02 20:38:50 +00:00
Marek Polacek
74f8705ebe re PR c++/84578 (ICE with flexible array member and constexpr) 
PR c++/84578
	* constexpr.c (get_array_or_vector_nelts): New.
	(cxx_eval_array_reference): Use it.
	(cxx_eval_vec_init_1): Likewise.
	(cxx_eval_store_expression): Likewise.

	* g++.dg/ext/flexary29.C: New test.

From-SVN: r258156
 2018-03-02 20:27:46 +00:00
David Malcolm
b2353e5931 libiberty: fix URL for demangler ABI 
libiberty/ChangeLog:
	* cp-demangle.c: Update URL for g++ V3 ABI.

From-SVN: r258155
 2018-03-02 20:20:37 +00:00
Jakub Jelinek
346114b54d substring-locations.h (format_warning_va): Formatting fix for ATTRIBUTE_GCC_DIAG. 
* substring-locations.h (format_warning_va): Formatting fix for
	ATTRIBUTE_GCC_DIAG.
	(format_warning_at_substring): Fix up ATTRIBUTE_GCC_DIAG second
	argument.
	(format_warning_n_va, format_warning_at_substring_n): New prototypes.
	* substring-locations.c: Include intl.h.
	(format_warning_va): Turned into small wrapper around
	format_warning_n_va, renamed to ...
	(format_warning_n_va): ... this, add N and PLURAL_GMSGID arguments,
	rename GMSGID to SINGULAR_GMSGID, if SINGULAR_GMSGID != PLURAL_GMSGID,
	use ngettext.
	(format_warning_at_substring_n): New function.
	* gimple-ssa-sprintf.c: Remove GCC diagnostic ignored pragma.
	(fmtwarn): Add ATTRIBUTE_GCC_DIAG.  Turn into a copy of
	format_warning_at_substring with just a shorter name instead of
	const function pointer.
	(fmtwarn_n): New function.
	(maybe_warn, format_directive, parse_directive): Use fmtwarn_n where
	appropriate, get rid of all the fmtstr temporaries, move conditionals
	with G_() wrapped string literals directly into fmtwarn arguments,
	cast dir.len to (int), formatting fixes.

From-SVN: r258154
 2018-03-02 20:04:58 +01:00
Jakub Jelinek
892870f9f3 * c-c++-common/Warray-bounds-2.c: Fix a comment typo. 
From-SVN: r258153
 2018-03-02 20:04:10 +01:00
Jason Merrill
c945ee2528 * semantics.c (force_paren_expr): Remove redundant test. 
From-SVN: r258151
 2018-03-02 13:18:13 -05:00
Paolo Carlini
c660f88b16 re PR middle-end/81812 (Empty virtual function fails to compile) 
2018-03-02  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/81812
	* g++.dg/torture/pr81812.C: New.

From-SVN: r258150
 2018-03-02 18:06:44 +00:00
Marek Polacek
743ee9d5fe re PR c++/84664 (internal compiler error: in cp_perform_integral_promotions, at cp/typeck.c:2172) 
PR c++/84664
	* typeck.c (cp_perform_integral_promotions): Check the result of
	mark_rvalue_use.

	* g++.dg/cpp0x/lambda/lambda-ice28.C: New test.

From-SVN: r258149
 2018-03-02 17:55:28 +00:00
Marek Polacek
8c8f2ab708 re PR c++/84663 (internal compiler error: tree check: expected array_type, have error_mark in cp_complete_array_type, at cp/decl.c:8334) 
PR c++/84663
	* decl.c (cp_complete_array_type): Check error_mark_node.

	* g++.dg/parse/array-size3.C: New test.

From-SVN: r258148
 2018-03-02 17:54:23 +00:00
Marek Polacek
0805d020d7 re PR c++/84171 (ICE with -Wsign-compare) 
PR c++/84171
	* c-warn.c (warn_for_sign_compare): Bail out if any of the operands
	is erroneous.

	* g++.dg/warn/Wsign-compare-8.C: New test.

From-SVN: r258147
 2018-03-02 17:51:24 +00:00
Jakub Jelinek
7299275f74 re PR c++/84662 (internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in is_bitfield_expr_with_lowered_type, at cp/typeck.c:1944) 
PR c++/84662
	* pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
	RETURN instead of return.
	<case POINTER_PLUS_EXPR>: Likewise.
	<case CONVERT_EXPR>: If op0 is error_mark_node, just return
	it instead of wrapping it into CONVERT_EXPR.

	* g++.dg/cpp1y/pr84662.C: New test.

From-SVN: r258146
 2018-03-02 18:07:39 +01:00
Jason Merrill
e76feb5b69 Fix MIPS16 ICE. 
* pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.

From-SVN: r258143
 2018-03-02 11:54:23 -05:00
Thomas Schwinge
70614cb903 Fix "dg-lto-options" misuse 
gcc/testsuite/
	* g++.dg/lto/20080915_0.C: Don't use "dg-lto-options".
	* g++.dg/lto/20080907_0.C: Use "#pragma GCC" instead of
	"dg-lto-options".
	* g++.dg/lto/20101010-1_0.C: Likewise.
	* g++.dg/lto/20101010-2_0.C: Likewise.

Reviewed-by: Jason Merrill <jason@redhat.com>

From-SVN: r258142
 2018-03-02 17:35:36 +01:00
Thomas Schwinge
ed2a2f08ef More Cilk Plus removal 
contrib/
	* update-copyright.py: Remove "libcilkrts" reference.
	gcc/c-family/
	* c-attribs.c (c_common_attribute_table): Remove "cilk simd
	function".
	gcc/
	* doc/invoke.texi: Remove "Cilk Plus" references.

From-SVN: r258141
 2018-03-02 17:35:26 +01:00
Jakub Jelinek
16225110ca re PR ipa/84628 (attribute(warning/error) functions should not be merged together) 
PR ipa/84628
	* expr.c (expand_expr_real_1) <case CALL_EXPR>: Don't emit diagnostics
	for error or warning attributes if CALL_FROM_THUNK_P is set.
	Formatting fixes.

	* gcc.dg/pr84628.c: New test.

Co-Authored-By: Richard Biener <rguenther@suse.de>

From-SVN: r258140
 2018-03-02 17:19:43 +01:00
Jakub Jelinek
e3a72bc5db re PR target/56540 (No __SIZEOF__XXX__ macro for __float128) 
PR target/56540
	* config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Predefine
	__SIZEOF_128__ macro if HPUX_LONG_DOUBLE_LIBRARY.

From-SVN: r258139
 2018-03-02 17:18:06 +01:00
Jakub Jelinek
2da182252d re PR target/56540 (No __SIZEOF__XXX__ macro for __float128) 
PR target/56540
	* config/ia64/ia64.h (TARGET_CPU_CPP_BUILTINS): Predefine
	__SIZEOF_{FPREG,FLOAT{80,128}}__ macros.

	* gcc.target/ia64/pr56540.c: New test.

From-SVN: r258138
 2018-03-02 17:17:18 +01:00
Will Schmidt
b31b60537e altivec-7-be.c: Remove VSX content, allow 32-bit target. 
[testsuite]

2018-03-02  Will Schmidt  <will_schmidt@vnet.ibm.com>

	* gcc.target/powerpc/altivec-7-be.c: Remove VSX content, allow
	32-bit target.
	* gcc.target/powerpc/altivec-7.h: Remove VSX content.
	* gcc.target/powerpc/vsx-7-be.c: New test (VSX content).
	* gcc.target/powerpc/vsx-7.h: New include (VSX content).
	* gcc.target/powerpc/altivec-7-le.c: Add vsx-7.h include.

From-SVN: r258137
 2018-03-02 15:18:54 +00:00
Jakub Jelinek
3458c61f6c predict.c (test_prediction_value_range): Use PROB_UNINITIALIZED instead of -1U in last predictors element's probability... 
* predict.c (test_prediction_value_range): Use PROB_UNINITIALIZED
	instead of -1U in last predictors element's probability member.

From-SVN: r258136
 2018-03-02 16:10:10 +01:00
Eric Botcazou
2265b6fed1 re PR ipa/83983 (FAIL: g++.dg/lto/pr83121 (test for LTO warnings, pr83121_0.C line 8)) 
PR ipa/83983
	* ipa-devirt.c (odr_subtypes_equivalent_p): Get the ODR type of both
	arguments if they are comparable.

From-SVN: r258133
 2018-03-02 09:57:43 +00:00
Marek Polacek
587b2f674c re PR c++/84590 (-fsanitize=undefined internal compiler error: tree check: expected constructor, have target_expr in split_nonconstant_init_1, at cp/typeck2.c:629) 
PR c++/84590
	* cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
	wrapped in VIEW_CONVERT_EXPR.

	* c-c++-common/ubsan/shift-11.c: New test.

From-SVN: r258132
 2018-03-02 09:48:41 +00:00
Richard Sandiford
70088b953b Avoid &LOOP_VINFO_MASKS for bb vectorisation (PR 84634) 
We were computing &LOOP_VINFO_MASKS even for bb vectorisation,
which is UB.

2018-03-02  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/
	PR tree-optimization/84634
	* tree-vect-stmts.c (vectorizable_store, vectorizable_load): Replace
	masks and masked_loop_p with a single loop_masks, making sure it's
	null for bb vectorization.

From-SVN: r258131
 2018-03-02 09:46:43 +00:00
Richard Sandiford
962e91fcf0 Use loop->safelen rather than loop->force_vectorize 
...since the latter doesn't guarantee independence by itself.

2018-03-02  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence)
	(vect_analyze_data_ref_access): Use loop->safe_len rather than
	loop->force_vectorize to check whether there is no alias.

gcc/testsuite/
	* gcc.dg/vect/vect-alias-check-13.c: New test.

From-SVN: r258130
 2018-03-02 09:45:51 +00:00