altivec.md (altivec_mov<mode>, [...]): Change the RTL attribute "length" from "4...
[official-gcc.git] / gcc / ChangeLog
blobe40790433935686a5e5cdf20aada55c19087afaa
1 2019-07-03  Michael Meissner  <meissner@linux.ibm.com>
3         * config/rs6000/altivec.md (altivec_mov<mode>, VM2 iterator):
4         Change the RTL attribute "length" from "4" to "*" to allow the
5         length attribute to be adjusted automatically for prefixed load,
6         store, and add immediate instructions.
7         * config/rs6000/rs6000.md (extendhi<mode>2, EXTHI iterator):
8         Likewise.
9         (extendsi<mode>2, EXTSI iterator): Likewise.
10         (movsi_internal1): Likewise.
11         (movsi_from_sf): Likewise.
12         (movdi_from_sf_zero_ext): Likewise.
13         (mov<mode>_internal): Likewise.
14         (movcc_internal1, QHI iterator): Likewise.
15         (mov<mode>_softfloat, FMOVE32 iterator): Likewise.
16         (movsf_from_si): Likewise.
17         (mov<mode>_hardfloat32, FMOVE64 iterator): Likewise.
18         (mov<mode>_softfloat64, FMOVE64 iterator): Likewise.
19         (mov<mode>, FMOVE128 iterator): Likewise.
20         (movdi_internal64): Likewise.
21         * config/rs6000/vsx.md (vsx_le_permute_<mode>, VSX_TI iterator):
22         Likewise.
23         (vsx_le_undo_permute_<mode>, VSX_TI iterator): Likewise.
24         (vsx_mov<mode>_64bit, VSX_M iterator): Likewise.
25         (vsx_mov<mode>_32bit, VSX_M iterator): Likewise.
26         (vsx_splat_v4sf): Likewise.
28 2019-07-03  Mark Wielaard  <mark@klomp.org>
30         PR debug/90981
31         * dwarf2out.c (add_top_level_skeleton_die_attrs): Only add
32         DW_AT_addr_base if there is actually a .debug_addr section with
33         addresses.
34         (output_addr_table): Add DWARF5 table header generation here after
35         checking there are actually any addresses from...
36         (dwarf2out_finish): ...here.
37         * testsuite/g++.dg/pr90981.C: New test.
39 2019-07-03  Richard Biener  <rguenther@suse.de>
41         PR middle-end/91069
42         * match.pd (vec_perm -> bit_insert): Fix element read from
43         first vector.
45 2019-07-03  Martin Liska  <mliska@suse.cz>
47         * dbgcnt.def (DEBUG_COUNTER): Add match debug counter.
48         * genmatch.c (dt_simplify::gen_1): Generate dbgcnt
49         condition.
50         * generic-match-head.c: Include dbgcnt.h.
51         * gimple-match-head.c: Likewise.
53 2019-07-03  Martin Liska  <mliska@suse.cz>
55         * gcov-counter.def (GCOV_COUNTER_V_SINGLE): Remove.
56         (GCOV_COUNTER_V_TOPN): New.
57         (GCOV_COUNTER_V_INDIR): Use _topn.
58         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): Remove.
59         (GCOV_TOPN_VALUES): New.
60         (GCOV_SINGLE_VALUE_COUNTERS): Remove.
61         (GCOV_TOPN_VALUES_COUNTERS): New.
62         * profile.c (instrument_values): Use HIST_TYPE_TOPN_VALUES.
63         * tree-profile.c:
64         (gimple_init_gcov_profiler): Rename variables from one_value
65         to topn_values.
66         (gimple_gen_one_value_profiler): Remove.
67         (gimple_gen_topn_values_profiler): New function.
68         * value-prof.c (dump_histogram_value): Use TOPN_VALUES
69         names instead of SINGLE_VALUE.
70         (stream_out_histogram_value): Likewise.
71         (stream_in_histogram_value): Likewise.
72         (get_most_common_single_value): Likewise.
73         (gimple_divmod_fixed_value_transform): Likewise.
74         (gimple_stringops_transform): Likewise.
75         (gimple_divmod_values_to_profile): Likewise.
76         (gimple_stringops_values_to_profile): Likewise.
77         (gimple_find_values_to_profile): Likewise.
78         * value-prof.h (enum hist_type): Rename to TOPN.
79         (gimple_gen_one_value_profiler): Remove.
80         (gimple_gen_topn_values_profiler): New.
82 2019-07-03  Eric Botcazou  <ebotcazou@adacore.com>
84         * dwarf2out.c (add_scalar_info): Add back refererence to existing DIE
85         if it has the DW_AT_data_member_location attribute.
87 2019-07-03  Richard Biener  <rguenther@suse.de>
89         * gimple-pretty-print.c (dump_ternary_rhs): Fix BIT_INSERT_EXPR
90         dumping.
92 2019-07-03  Sylvia Taylor  <sylvia.taylor@arm.com>
94         * config/aarch64/aarch64.md (FP_REGNUM): New constant.
95         (tlsdesc_small_advsimd_<mode>): Add use of FP_REGNUM.
96         (tlsdesc_small_sve_<mode>): Likewise.
98 2019-07-03  Martin Liska  <mliska@suse.cz>
100         * Makefile.in: Define ZSTD_LIB.
101         * common.opt: Adjust compression level
102         to support also zstd levels.
103         * config.in: Regenerate.
104         * configure: Likewise.
105         * configure.ac: Add --with-zstd and --with-zstd-include options
106         and detect ZSTD.
107         * doc/install.texi: Mention zstd dependency.
108         * gcc.c: Print supported LTO compression algorithms.
109         * lto-compress.c (lto_normalized_zstd_level): Likewise.
110         (lto_compression_zstd): Likewise.
111         (lto_uncompression_zstd): Likewise.
112         (lto_end_compression): Dispatch in between zlib and zstd.
113         (lto_compression_zlib): Mark with ATTRIBUTE_UNUSED.
114         (lto_uncompression_zlib): Make it static.
115         * lto-compress.h (lto_end_uncompression): Fix GNU coding style.
116         * lto-section-in.c (lto_get_section_data): Pass info
117         about used compression.
118         * lto-streamer-out.c: By default use zstd when possible.
119         * timevar.def (TV_IPA_LTO_DECOMPRESS): Rename to decompression
120         (TV_IPA_LTO_COMPRESS): Likewise for compression.
122 2019-07-03  Martin Liska  <mliska@suse.cz>
124         * lto-section-in.c (lto_get_section_data): Add "lto" section.
125         * lto-section-out.c (lto_destroy_simple_output_block): Never
126         compress LTO_section_lto section.
127         * lto-streamer-out.c (produce_asm): Do not set major_version
128         and minor_version.
129         (lto_output_toplevel_asms): Likewise.
130         (produce_lto_section): New function.
131         (lto_output): Call produce_lto_section.
132         (lto_write_mode_table): Do not set major_version and
133         minor_version.
134         (produce_asm_for_decls): Likewise.
135         * lto-streamer.h (enum lto_section_type): Add LTO_section_lto
136         type.
137         (struct lto_header): Remove.
138         (struct lto_section): New struct.
139         (struct lto_simple_header): Do not inherit from lto_header.
140         (struct lto_file_decl_data): Add lto_section_header field.
142 2019-07-03  Martin Liska  <mliska@suse.cz>
144         * lra-eliminations.c (eliminate_regs_in_insn): Remove
145         dead assignemts.
146         * reg-stack.c (check_asm_stack_operands): Likewise.
147         * tree-ssa-structalias.c (create_function_info_for): Likewise.
148         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
149         * config/i386/i386-expand.c (ix86_expand_sse2_mulvxdi3): Use
150         force_expand_binop.
152 2019-07-03  Martin Liska  <mliska@suse.cz>
154         PR tree-optimization/90892
155         * builtins.c (inline_expand_builtin_string_cmp): Handle '\0'
156         in string constants.
158 2019-07-03  Martin Liska  <mliska@suse.cz>
160         PR middle-end/90899
161         * multiple_target.c (create_dispatcher_calls): Add to comdat
162         group only if set for ifunc.
164 2019-07-03  Martin Liska  <mliska@suse.cz>
166         PR target/88056
167         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
168         Define local_object_name in outer scope in order to handle
169         use-after-scope issue.
171 2019-07-03  Martin Liska  <mliska@suse.cz>
173         * common.opt: Add fprofile-note.
174         * coverage.c (coverage_init): Append the option
175         to bbg_file_name.
176         * doc/invoke.texi: Document -fprofile-note.
178 2019-07-03  Jakub Jelinek  <jakub@redhat.com>
180         PR tree-optimization/91033
181         * tree-vectorizer.h (vect_mark_stmts_to_be_vectorized,
182         vect_analyze_data_refs): Add bool * arguments.
183         * tree-vect-data-refs.c (vect_analyze_data_refs): Add fatal argument,
184         if failure is due to scatter/gather, set *fatal to false if non-NULL.
185         * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
186         * tree-vect-loop.c (vect_analyze_loop_2): Adjust
187         vect_mark_stmts_to_be_vectorized and vect_analyze_data_refs callers.
188         * tree-vect-slp.c (vect_slp_analyze_bb_1): Adjust
189         vect_analyze_data_refs caller.
191         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__SCANTEMP_
192         clause.
193         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__SCANTEMP_ instead of
194         OMP_CLAUSE__CONDTEMP_ as range's upper bound.
195         (OMP_CLAUSE__SCANTEMP__ALLOC, OMP_CLAUSE__SCANTEMP__CONTROL): Define.
196         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
197         OMP_CLAUSE__SCANTEMP_ entry.
198         (walk_tree_1): Handle OMP_CLAUSE__SCANTEMP_.
199         * tree-pretty-print.c (dump_omp_clause): Likewise.
200         * tree-nested.c (convert_nonlocal_omp_clauses,
201         convert_local_omp_clauses): Likewise.
202         * omp-general.h (struct omp_for_data): Add have_scantemp and
203         have_nonctrl_scantemp members.
204         * omp-general.c (omp_extract_for_data): Initialize them.
205         * omp-low.c (struct omp_context): Add scan_exclusive member.
206         (scan_omp_1_stmt): Don't unnecessarily mask gimple_omp_for_kind
207         result again with GF_OMP_FOR_KIND_MASK.  Initialize also
208         ctx->scan_exclusive.
209         (lower_rec_simd_input_clauses): Use ctx->scan_exclusive instead
210         of !ctx->scan_inclusive.
211         (lower_rec_input_clauses): Simplify gimplification of dtors using
212         gimplify_and_add.  For non-is_simd test OMP_CLAUSE_REDUCTION_INSCAN
213         rather than rvarp.  Handle OMP_CLAUSE_REDUCTION_INSCAN in worksharing
214         loops.  Don't add barrier for reduction_omp_orig_ref if
215         ctx->scan_??xclusive.
216         (lower_reduction_clauses): Don't do anything for ctx->scan_??xclusive.
217         (lower_omp_scan): Use ctx->scan_exclusive instead
218         of !ctx->scan_inclusive.  Handle worksharing loops with inscan
219         reductions.  Use new_vard != new_var instead of repeated
220         omp_is_reference calls.
221         (omp_find_scan, lower_omp_for_scan): New functions.
222         (lower_omp_for): Call lower_omp_for_scan for worksharing loops with
223         inscan reductions.
224         * omp-expand.c (expand_omp_scantemp_alloc): New function.
225         (expand_omp_for_static_nochunk): Handle fd->have_nonctrl_scantemp
226         and fd->have_scantemp.
228         * gimplify.c (gimplify_scan_omp_clauses): For inscan reductions
229         on worksharing loop propagate it as shared clause to containing
230         combined parallel.
232         * omp-expand.c (expand_omp_for_static_nochunk,
233         expand_omp_for_static_chunk): For nowait worksharing loop with
234         conditional lastprivate clause(s), emit GOMP_loop_end_nowait call
235         at the end.
237 2019-07-02  Joern Rennecke  <joern.rennecke@riscy-ip.com>
239         PR testsuite/91065
240         * testsuite/gcc.dg/plugin/start_unit_plugin.c: Register a root tab
241         to reference fake_var.
243 2019-07-02  qing zhao  <qing.zhao@oracle.com>
245         PR preprocessor/90581
246         * doc/cppopts.texi: Add document for -fmax-include-depth.
247         * doc/invoke.texi (Preprocessor Options): List -fmax-include-depth.
249 2019-07-02  UroÅ¡ Bizjak  <ubizjak@gmail.com>
251         * config/i386/mmx.md (mmx_pack<s_trunsuffix>swb):
252         Use TARGET_SSE2 && SSE_REGNO_P in split condition.
253         (mmx_packssdw): Ditto.
254         (mmx_punpckhbw): Ditto.
255         (mmx_punpcklbw): Ditto.
256         (mmx_punpckhwd): Ditto.
257         (mmx_punpcklwd): Ditto.
258         (mmx_punpckhdq): Ditto.
259         (mmx_punpckldq): Ditto.
260         (*vec_dupv4hi): Ditto.
261         (*vec_dupv2si): Ditto.
262         (mmx_pmovmskb): Ditto.
263         * config/i386/sse.md (sse_cvtpi2ps): Use
264         TARGET_SSE2 && SSE_REG_P in split condition.
265         (ssse3_ph<plusminus_mnemonic>wv4hi3): Use
266         TARGET_SSSE3 && SSE_REGNO_P in split condition.
267         (ssse3_ph<plusminus_mnemonic>dv2si3): Ditto.
268         (ssse3_pshufbv8qi3): Ditto.
269         (ssse3_palignrdi): Ditto.
271 2019-07-02  Andrew Stubbs  <ams@codesourcery.com>
273         * config/gcn/gcn.md (movdi_symbol_save_scc): Convert to define_insn
274         with inlined save and restore.
276 2019-07-02  Eric Botcazou  <ebotcazou@adacore.com>
278         * cfgexpand.c (pass_expand::execute): Deal specially with instructions
279         to be inserted on single successor edge of the entry block.  Then call
280         commit_edge_insertions instead of inserting the instructions manually.
281         * cfgrtl.c (commit_edge_insertions): Do not verify flow info during
282         RTL expansion and rebuild jump labels chain.
284 2019-07-02  Richard Biener  <rguenther@suse.de>
286         * tree-core.h (enum tree_index): Add TI_CHREC_DONT_KNOW and
287         TI_CHREC_KNOWN.
288         * tree.h (chrec_not_analyzed_yet, chrec_dont_know, chrec_known):
289         Define here.
290         * tree.c (build_common_tree_nodes): Initialize them.
291         * tree-chrec.h (chrec_not_analyzed_yet, chrec_dont_know, chrec_known):
292         Make declarations comments.
293         * tree-scalar-evolution.c (chrec_not_analyzed_yet, chrec_dont_know,
294         chrec_known): Remove definitions.
295         (initialize_scalar_evolutions_analyzer): Remove.
296         (scev_initialize): Do not call initialize_scalar_evolutions_analyzer.
297         * tree-streamer.c (preload_common_nodes): Do not preload
298         TI_CHREC_DONT_KNOW or TI_CHREC_KNOWN.
300 2019-07-02  Jan Hubicka  <jh@suse.cz>
302         * tree-ssa-alias.c (aliasing_component_refs_p): Remove forgotten
303         sanity check.
305 2019-07-02  Jan Hubicka  <jh@suse.cz>
307         * tree-ssa-alias.c (nonoverlapping_component_refs_for_decl_p): Rename
308         to ..
309         (nonoverlapping_component_refs_since_match_p): ... this one;
310         handle also non-decl bases; return -1 if search gave up.
311         (alias_stats): Rename nonoverlapping_component_refs_of_decl_p_may_alias,
312         nonoverlapping_component_refs_of_decl_p_no_alias to
313         nonoverlapping_component_refs_since_match_p_may_alias,
314         nonoverlapping_component_refs_since_match_p_no_alias.
315         (dump_alias_stats): Update dumping.
316         (aliasing_matching_component_refs_p):  Break out from ...;
317         dispatch to nonoverlapping_component_refs_for_decl_p
318         and nonoverlapping_component_refs_since_match_p.
319         (aliasing_component_refs_p): ... here; call
320         nonoverlapping_component_refs_p in scenarios where we can not
321         precisely determine base match.
322         (decl_refs_may_alias_p): Use
323         nonoverlapping_component_refs_since_match_p.
324         (indirect_ref_may_alias_decl_p): Do not call
325         nonoverlapping_component_refs_p.
326         (indirect_refs_may_alias_p): Likewise.
328 2019-07-02  Jan Hubicka  <jh@suse.cz>
330         * tree-inline.c (remap_gimple_stmt): Do not subtitute handled components
331         to clobber of return value.
333 2019-07-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
335         * config/arm/cortex-a57.md (cortex_a57_neon_type): Use neon_arith_basic
336         for is_neon_type instructions that have not already been categorized.
338 2019-07-02  Richard Biener  <rguenther@suse.de>
340         PR tree-optimization/58483
341         * tree-ssa-scopedtables.c (avail_expr_hash): Use OEP_ADDRESS_OF
342         for MEM_REF base hashing.
343         (equal_mem_array_ref_p): Likewise for base comparison.
345 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
347         * config/rs6000/rs6000.md (signbit<mode>2_dm): Make this a
348         parameterized name.
349         (signbit<mode>2): Use that name.  Simplify.
351 2019-07-01  Joern Rennecke  <joern.rennecke@riscy-ip.com>
353         PR middle-end/66726
354         * tree-ssa-phiopt.c (factor_out_conditional_conversion):
355         Tune heuristic from PR71016 to allow MIN / MAX.
356         * testsuite/gcc.dg/tree-ssa/pr66726-4.c: New testcase.
358 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
360         * config/rs6000/rs6000.md (ieee_128bit_vsx_abs<mode>2): Make this a
361         parameterized name.
362         (abs<mode>2): Use that name.  Simplify.
364 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
366         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2): Make this a
367         parameterized name.
368         (neg<mode>2): Use that name.  Simplify.
370 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
372         * config/rs6000/rs6000.md (abs<mode>2_hw): Make this a parameterized
373         name.
374         (abs<mode>2): Use that name.  Simplify.
376 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
378         * config/rs6000/rs6000.md (neg<mode>2_hw): Make this a parameterized
379         name.
380         (neg<mode>2): Use that name.  Simplify.
382 2019-07-01  UroÅ¡ Bizjak  <ubizjak@gmail.com>
384         * config/i386/i386.md ("isa" attribute): Add sse_noavx.
385         ("enabled" attribute): Handle sse_noavx isa attribute.
386         * config/i386/mmx.md (*vec_dupv2sf): Add "isa" attribute.
387         Use TARGET_SSE && SSE_REGNO_P in split condition.
388         (*vec_dupv2sf): Ditto.
390 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
392         * config/rs6000/rs6000.md (extenddf<mode>2): Make this a parameterized
393         name.
394         (floatsi<mode>2): Use that name.  Simplify.
396 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
398         * config/rs6000/rs6000.md (extenddf<mode>2_fprs): Make this a
399         parameterized name.
400         (extenddf<mode>2_vsx): Make this a parameterized name.
401         (extenddf<mode>2): Use those names.  Simplify.
403 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
405         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Make this a parameterized
406         name.
407         (eh_return): Use that name.  Simplify.
409 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
411         * config/rs6000/rs6000.md (ctr<mode>): Make this a parameterized name.
412         (doloop_end): Use that name.  Simplify.
414 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
416         * config/rs6000/rs6000.md (indirect_jump<mode>_nospec): Make this a
417         parameterized name.
418         (indirect_jump): Use that name.  Simplify.
420 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
422         * config/rs6000/rs6000.md (abs<mode>2_internal): Make this a
423         parameterized name.
424         (abs<mode>2): Use that name.  Simplify.
426 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
428         * config/rs6000/rs6000.md (fix_trunc<mode>si2_fprs): Make this a
429         parameterized name.
430         (fix_trunc<mode>si2): Use that name.  Simplify.
432 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
434         * config/rs6000/rs6000.md (neg<mode>2): Make this a parameterized name.
435         (allocate_stack): Use that name.  Simplify.
437 2019-07-01  Martin Sebor  <msebor@redhat.com>
439         PR middle-end/90923
440         * hash-map.h (hash_map::put): On insertion invoke element ctor.
441         (hash_map::get_or_insert): Same.  Reformat comment.
442         * hash-set.h (hash_set::add): On insertion invoke element ctor.
443         * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): New.
444         * hash-set-tests.c (test_map_of_type_with_ctor_and_dtor): New.
445         * hash-table.h (hash_table::operator=): Prevent copy assignment.
446          (hash_table::hash_table (const hash_table&)): Use copy ctor
447          instead of assignment to copy elements.
449 2019-07-01  Wilco Dijkstra  <wdijkstr@arm.com>
450             John David Anglin  <danglin@gcc.gnu.org>
452         PR target/90963
453         * config/pa/pa.md (builtin_longjmp): Restore hard_frame_pointer_rtx
454         using saved frame pointer.
456 2019-07-01  Eric Botcazou  <ebotcazou@adacore.com>
458         PR middle-end/64242
459         * config/sparc/sparc.md (nonlocal_goto): Restore frame pointer last.
460         Add frame clobber and schedule blockage.
462 2019-07-01  Sandra Loosemore  <sandra@codesourcery.com>
464         * doc/invoke.texi (Link Options): Further editorial changes to
465         -flinker-output docs.
467 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
469         * config/rs6000/rs6000.c (rs6000_force_indexed_or_indirect_mem):
470         Load both operands of a PLUS into registers separately.
472 2019-07-01  Andreas Krebbel  <krebbel@linux.ibm.com>
474         * config/s390/vector.md: Fix shift count operand printing.
476 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
478         * ira-lives.c (process_bb_node_lives): Use ira_setup_alts.
480 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
482         * ira.c (ira_get_dup_out_num): Don't punt for earlyclobbers.
483         Use recog_data to test for an output operand.
485 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
487         * ira.c (ira_setup_alts): If any valid alternatives have zero cost,
488         exclude any others that are disparaged or that are bound to need
489         a reload or spill.
490         (ira_get_dup_out_num): Expand comment.
492 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
494         * ira.c (ira_setup_alts): Use preprocess_constraints to get the
495         constraint string for each operand/alternative combo.  Only handle
496         '%' at the start of constraint strings, and look for it outside
497         the main loop.
499 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
501         * ira-int.h (ira_setup_alts, ira_get_dup_out_num): Use
502         alternative_mask instead of HARD_REG_SET to represent a
503         bitmask of alternatives.
504         * ira.c (ira_setup_alts, ira_get_dup_out_num): Likewise.
505         * ira-conflicts.c (add_insn_allocno_copies): Likewise.
507 2019-07-01  Martin Liska  <mliska@suse.cz>
509         * edit-context.c (test_applying_fixits_unreadable_file): Do not
510         use () for a constructor call.
511         (test_applying_fixits_line_out_of_range): Likewise.
512         * ggc-page.c (alloc_page): Use (void *) for %p printf format
513         argument.
514         (free_page): Likewise.
516 2019-07-01  Vladislav Ivanishin <vlad@ispras.ru>
518         * gdbhooks.py (GdbPrettyPrinters.add_printer_for_types): Reorder
519         parameter names to match usage (no functional change).
520         (GdbPrettyPrinters.add_printer_for_regex): Ditto.
522 2019-07-01  Richard Biener  <rguenther@suse.de>
524         * tree-ssa-sccvn.c (class pass_fre): Add may_iterate
525         pass parameter.
526         (pass_fre::execute): Honor it.
527         * passes.def: Adjust pass_fre invocations to allow iterating,
528         add non-iterating pass_fre before late threading/dom.
530 2019-07-01  Richard Biener  <rguenther@suse.de>
532         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Adjust
533         TARGET_MEM_REF handling to also handle address-taken ones.
535 2019-07-01  Hongtao Liu  <hongtao.liu@intel.com>
537         * doc/sourcebuild.texi (Effective-Target Keywords, Other
538         hardware attributes): Document avx512vp2intersect.
540 2019-06-30  UroÅ¡ Bizjak  <ubizjak@gmail.com>
542         * config/i386/sse.md (ssse3_abs<mode>2): Rename from abs<mode>2.
543         (abs<mode>2): New expander.
544         * config/i386/i386-builtin.def (__builtin_ia32_pabsb):
545         Use CODE_FOR_ssse3_absv8qi2.
546         (__builtin_ia32_pabsw): Use CODE_FOR_ssse3_absv4hi2.
547         (__builtin_ia32_pabsd): Use CODE_FOR_ssse3_absv2si2.
549 2019-06-30  UroÅ¡ Bizjak  <ubizjak@gmail.com>
551         * config/i386/i386.md (mmx_isa): Rename x64, x64_noavx and x64_avx
552         to sse, sse_noavx and avx.  Update all uses.
554 2019-06-30  UroÅ¡ Bizjak  <ubizjak@gmail.com>
556         * config/i386/mmx.md (sse_movntq): Add "isa" attribute.
557         (*mmx_<plusminus_insn><mode>3): Ditto.
558         (*mmx_mulv4hi3"): Ditto.
559         (*mmx_smulv4hi3_highpart): Ditto.
560         (*mmx_umulv4hi3_highpart): Ditto.
561         (*mmx_pmaddwd): Ditto.
562         (*sse2_umulv1siv1di3): Ditto.
563         (*mmx_<code>v4hi3): Ditto.
564         (*mmx_<code>v8qi3): Ditto.
565         (mmx_ashr<mode>3): Ditto.
566         ("mmx_<shift_insn><mode>3): Ditto.
567         (*mmx_eq<mode>3): Ditto.
568         (mmx_gt<mode>3): Ditto.
569         (mmx_andnot<mode>3): Ditto.
570         (*mmx_<code><mode>3): Ditto.
571         (*mmx_pinsrw): Ditto.
572         (*mmx_pextrw): Ditto.
573         (mmx_pshufw_1): Ditto.
574         (*mmx_uavgv8qi3): Ditto.
575         (*mmx_uavgv4hi3): Ditto.
576         ("mmx_psadbw): Ditto.
577         * config/i386/sse.md (sse_cvtps2pi): Ditto.
578         (sse_cvttps2pi): Ditto.
579         (ssse3_pmaddubsw): Ditto.
580         (*ssse3_pmulhrswv4hi3): Ditto.
581         (ssse3_psign<mode>3): Ditto.
583 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
585         * expr.c (expand_expr_real_1) <BIT_FIELD_REF>: Apply the big-endian
586         adjustment for bit-fields to all aggregate types.
588 2019-06-28   Michael Meissner  <meissner@linux.ibm.com>
590         * config/rs6000/predicates.md (pcrel_address):  Use
591         SYMBOL_REF_LOCAL_P to determine if a label is local.
592         (pcrel_external_address): New predicate.
593         (non_prefixed_mem_operand): Delete, predicate not used.
594         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL_P): Delete, we now use
595         SYMBOL_REF_LOCAL_P to determine if we can use pc-relative
596         addressing.
597         (SYMBOL_REF_PCREL_P): Likewise.
599         PR target/91009
600         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Add non-VSX
601         alternative.
602         (floatsi<mode>2_lfiwax_mem): Add non-VSX alternative.
603         (floatunssi<mode>2_lfiwzx): Add non-VSX alternative.
604         (floatunssi<mode>2_lfiwzx_mem): Add non-VSX alternative.
606 2019-06-28  Iain Sandoe  <iain@sandoe.co.uk>
608         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Remove
609         override on extra_headers.
611 2019-06-28  Iain Sandoe  <iain@sandoe.co.uk>
613         * config/darwin-c.c (pop_field_alignment): Quote #pragma options.
614         * config/darwin-driver.c (darwin_default_min_version): Remove newline
615         from warning.
616         (darwin_driver_init): Likewise.
618 2019-06-28  Jan Beulich  <jbeulich@suse.com>
620         * config/i386/sse.md (vgf2p8affineinvqb_<mode><mask_name>,
621         vgf2p8affineqb_<mode><mask_name>, vgf2p8mulb_<mode><mask_name>):
622         Eliminate redundant alternative.
624 2019-06-28  Jan Beulich  <jbeulich@suse.com>
626         * config/i386/sse.md (vgf2p8affineinvqb_<mode><mask_name>,
627         vgf2p8affineqb_<mode><mask_name>): Drop % constraint modifier.
628         Use vector_operand.
630 2019-06-28  Claudiu Zissulescu  <claziss@synopsys.com>
632         * config/arc/arc.c (arc_rtx_costs): All short instructions are
633         having a lower cost regardless of the speed option.
635 2019-06-28  Jan Beulich  <jbeulich@suse.com>
637         * config/i386/sse.md (sse2_cvtpd2pi, sse2_cvttpd2pi): Use
638         vector_operand plus, on both alternatives, "Bm" constraint.
640 2019-06-28  Dennis Zhang  <dennis.zhang@arm.com>
642         * config/arm/arm.md: Remove redundant constraints from
643         define_expand but leave reload_inm and reload_outm patterns
644         untouched since they need special constraints to work.
645         * config/arm/arm-fixed.md: Remove redundant constraints from
646         define_expand.
647         * config/arm/iwmmxt.md: Likewise.
648         * config/arm/neon.md: Likewise.
649         * config/arm/sync.md: Likewise.
650         * config/arm/thumb1.md: Likewise.
651         * config/arm/vec-common.md: Likewise.
653 2019-06-27  Ilia Diachkov  <ilia.diachkov@optimitech.com>
655         * doc/install.texi: Document --disable-tm-clone-registry.
657 2019-06-27  Jakub Jelinek  <jakub@redhat.com>
659         PR c++/91024
660         * gimplify.c (collect_fallthrough_labels): Ignore GIMPLE_PREDICT
661         statements.
663         PR tree-optimization/91010
664         * tree-vect-stmts.c (scan_operand_equal_p): If offset1 == offset2,
665         return true.  Otherwise, don't call operand_equal_p if offset1 or
666         offset2 is NULL and just return false.
668 2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>
670         * config/rs6000/rs6000.c (darwin_rs6000_override_options): Honour
671         user-specified float mode choice for kernel mode code.
673 2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>
675         * config/rs6000/darwin.h (ENDFILE_SPEC): Correct whitespace in the
676         spec.
678 2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>
680         * config/rs6000/rs6000.c (darwin_rs6000_override_options): Do not
681         use longcall for 64b code.
683 2019-06-27  Aaron Sawdey <acsawdey@linux.ibm.com>
685         * builtins.c (get_memory_rtx): Fix comment.
686         * optabs.def (movmem_optab): Change to cpymem_optab.
687         * expr.c (emit_block_move_via_cpymem): Change movmem to cpymem.
688         (emit_block_move_hints): Change movmem to cpymem.
689         * defaults.h: Change movmem to cpymem.
690         * targhooks.c (get_move_ratio): Change movmem to cpymem.
691         (default_use_by_pieces_infrastructure_p): Ditto.
692         * config/aarch64/aarch64-protos.h: Change movmem to cpymem.
693         * config/aarch64/aarch64.c (aarch64_expand_movmem): Change movmem
694         to cpymem.
695         * config/aarch64/aarch64.h: Change movmem to cpymem.
696         * config/aarch64/aarch64.md (movmemdi): Change name to cpymemdi.
697         * config/alpha/alpha.h: Change movmem to cpymem in comment.
698         * config/alpha/alpha.md (movmemqi, movmemdi, *movmemdi_1): Change
699         movmem to cpymem.
700         * config/arc/arc-protos.h: Change movmem to cpymem.
701         * config/arc/arc.c (arc_expand_movmem): Change movmem to cpymem.
702         * config/arc/arc.h: Change movmem to cpymem in comment.
703         * config/arc/arc.md (movmemsi): Change movmem to cpymem.
704         * config/arm/arm-protos.h: Change movmem to cpymem in names.
705         * config/arm/arm.c (arm_movmemqi_unaligned, arm_gen_movmemqi, 
706         gen_movmem_ldrd_strd, thumb_expand_movmemqi) Change movmem to cpymem.
707         * config/arm/arm.md (movmemqi): Change movmem to cpymem.
708         * config/arm/thumb1.md (movmem12b, movmem8b): Change movmem to cpymem.
709         * config/avr/avr-protos.h: Change movmem to cpymem.
710         * config/avr/avr.c (avr_adjust_insn_length, avr_emit_movmemhi,
711         avr_out_movmem): Change movmem to cpymem.
712         * config/avr/avr.md (movmemhi, movmem_<mode>, movmemx_<mode>):
713         Change movmem to cpymem.
714         * config/bfin/bfin-protos.h: Change movmem to cpymem.
715         * config/bfin/bfin.c (single_move_for_movmem, bfin_expand_movmem):
716         Change movmem to cpymem.
717         * config/bfin/bfin.h: Change movmem to cpymem in comment.
718         * config/bfin/bfin.md (movmemsi): Change name to cpymemsi.
719         * config/c6x/c6x-protos.h: Change movmem to cpymem.
720         * config/c6x/c6x.c (c6x_expand_movmem): Change movmem to cpymem.
721         * config/c6x/c6x.md (movmemsi): Change name to cpymemsi.
722         * config/frv/frv.md (movmemsi): Change name to cpymemsi.
723         * config/ft32/ft32.md (movmemsi): Change name to cpymemsi.
724         * config/h8300/h8300.md (movmemsi): Change name to cpymemsi.
725         * config/i386/i386-expand.c (expand_set_or_movmem_via_loop,
726         expand_set_or_movmem_via_rep, expand_movmem_epilogue,
727         expand_setmem_epilogue_via_loop, expand_set_or_cpymem_prologue,
728         expand_small_cpymem_or_setmem,
729         expand_set_or_cpymem_prologue_epilogue_by_misaligned_moves,
730         expand_set_or_cpymem_constant_prologue, 
731         ix86_expand_set_or_cpymem): Change movmem to cpymem.
732         * config/i386/i386-protos.h: Change movmem to cpymem.
733         * config/i386/i386.h: Change movmem to cpymem in comment.
734         * config/i386/i386.md (movmem<mode>): Change name to cpymem.
735         (setmem<mode>): Change expansion function name.
736         * config/lm32/lm32.md (movmemsi): Change name to cpymemsi.
737         * config/m32c/blkmov.md (movmemhi, movmemhi_bhi_op, movmemhi_bpsi_op,
738         movmemhi_whi_op, movmemhi_wpsi_op): Change movmem to cpymem.
739         * config/m32c/m32c-protos.h: Change movmem to cpymem.
740         * config/m32c/m32c.c (m32c_expand_movmemhi): Change movmem to cpymem.
741         * config/m32r/m32r.c (m32r_expand_block_move): Change movmem to cpymem.
742         * config/m32r/m32r.md (movmemsi, movmemsi_internal): Change movmem
743         to cpymem.
744         * config/mcore/mcore.md (movmemsi): Change name to cpymemsi.
745         * config/microblaze/microblaze.c: Change movmem to cpymem in comment.
746         * config/microblaze/microblaze.md (movmemsi): Change name to cpymemsi.
747         * config/mips/mips.c (mips_use_by_pieces_infrastructure_p):
748         Change movmem to cpymem.
749         * config/mips/mips.h: Change movmem to cpymem.
750         * config/mips/mips.md (movmemsi): Change name to cpymemsi.
751         * config/nds32/nds32-memory-manipulation.c
752         (nds32_expand_movmemsi_loop_unknown_size,
753         nds32_expand_movmemsi_loop_known_size, nds32_expand_movmemsi_loop,
754         nds32_expand_movmemsi_unroll,
755         nds32_expand_movmemsi): Change movmem to cpymem.
756         * config/nds32/nds32-multiple.md (movmemsi): Change name to cpymemsi.
757         * config/nds32/nds32-protos.h: Change movmem to cpymem.
758         * config/pa/pa.c (compute_movmem_length): Change movmem to cpymem.
759         (pa_adjust_insn_length): Change call to compute_movmem_length.
760         * config/pa/pa.md (movmemsi, movmemsi_prereload, movmemsi_postreload,
761         movmemdi, movmemdi_prereload, 
762         movmemdi_postreload): Change movmem to cpymem.
763         * config/pdp11/pdp11.md (movmemhi, movmemhi1, 
764         movmemhi_nocc, UNSPEC_MOVMEM): Change movmem to cpymem.
765         * config/riscv/riscv.c: Change movmem to cpymem in comment.
766         * config/riscv/riscv.h: Change movmem to cpymem.
767         * config/riscv/riscv.md: (movmemsi) Change name to cpymemsi.
768         * config/rs6000/rs6000.md: (movmemsi) Change name to cpymemsi.
769         * config/rx/rx.md: (UNSPEC_MOVMEM, movmemsi, rx_movmem): Change
770         movmem to cpymem.
771         * config/s390/s390-protos.h: Change movmem to cpymem.
772         * config/s390/s390.c (s390_expand_movmem, s390_expand_setmem,
773         s390_expand_insv): Change movmem to cpymem.
774         * config/s390/s390.md (movmem<mode>, movmem_short, *movmem_short,
775         movmem_long, *movmem_long, *movmem_long_31z): Change movmem to cpymem.
776         * config/sh/sh.md (movmemsi): Change name to cpymemsi.
777         * config/sparc/sparc.h: Change movmem to cpymem in comment.
778         * config/vax/vax-protos.h (vax_output_movmemsi): Remove prototype
779         for nonexistent function.
780         * config/vax/vax.h: Change movmem to cpymem in comment.
781         * config/vax/vax.md (movmemhi, movmemhi1): Change movmem to cpymem.
782         * config/visium/visium.h: Change movmem to cpymem in comment.
783         * config/visium/visium.md (movmemsi): Change name to cpymemsi.
784         * config/xtensa/xtensa.md (movmemsi): Change name to cpymemsi.
785         * doc/md.texi: Change movmem to cpymem and update description to match.
786         * doc/rtl.texi: Change movmem to cpymem.
787         * target.def (use_by_pieces_infrastructure_p): Change movmem to cpymem.
788         * doc/tm.texi: Regenerate.
790 2019-06-27  Bill Schmidt  <wschmidt@linux.ibm.com>
792         * config/rs6000/rs6000.c (rs6000_option_override_internal): Enable
793         -fvariable-expansion-in-unroller by default.
794         * doc/invoke.texi (-fvariable-expansion-in-unroller): Document new
795         default for Power.
797 2019-06-27  David Edelsohn  <dje.gcc@gmail.com>
799         Revert
800         2019-06-26  David Edelsohn  <dje.gcc@gmail.com>
801         * config.gcc (powerpc-ibm-aix*): Define target_gtfiles.
803         * config.gcc(rs6000-*-*): Define target_gtfiles.
805 2019-06-27  Jan Hubicka  <jh@suse.cz>
807         * ipa-devirt.c (odr_type_d): Add tbaa_enabled flag.
808         (add_type_duplicate): When odr hash is not allocated, to nothing.
809         (odr_based_tbaa_p): New function.
810         (set_type_canonical_for_odr_type): New function.
811         * ipa-utils.h (enable_odr_based_tbaa, odr_based_tbaa_p,
812         set_type_canonical_for_odr_type): New.
813         * tree.c (gimple_canonical_types_compatible_p): ODR types with
814         ODR based TBAA are not equivalent to non-ODR types.
816 2019-06-27  Martin Liska  <mliska@suse.cz>
818         PR tree-optimization/90974
819         PR rtl-optimization/90975
820         PR rtl-optimization/90976
821         PR target/91016
822         PR tree-optimization/91017
823         * config/i386/i386-expand.c (ix86_expand_rounddf_32): Remove
824         unused tmp.
825         * lra.c (lra_set_insn_recog_data): Remove a leftover from
826         initial commit of IRA.
827         * optabs.c (expand_twoval_binop): Use xop0 and xop1 instead
828         of op0 and op1.
829         * tree-vect-loop.c (vect_create_epilog_for_reduction):
830         Remove unused mode1.
831         * tree-vect-stmts.c (vectorizable_call): Remove dead assignment
832         to new_stmt_info.
834 2019-06-27  Jakub Jelinek  <jakub@redhat.com>
836         PR target/90991
837         * config/i386/sse.md (avx_vec_concat<mode>): Use nonimmediate_operand
838         instead of register_operand for operands[1], add m to its constraints
839         if operands[2] uses "C" constraint.  Ensure in condition that if
840         operands[2] is not 0, then operands[1] is not a MEM.  For last two
841         alternatives, use unaligned loads instead of aligned if operands[1] is
842         misaligned_operand.
844 2019-06-27  Martin Liska  <mliska@suse.cz>
846         * asan.c (asan_emit_allocas_unpoison): Remove obviously
847         dead assignments.
848         * bt-load.c (move_btr_def): Likewise.
849         * builtins.c (expand_builtin_apply_args_1): Likewise.
850         (expand_builtin_apply): Likewise.
851         * cfgexpand.c (expand_asm_stmt): Likewise.
852         (construct_init_block): Likewise.
853         * cfghooks.c (verify_flow_info): Likewise.
854         * cfgloopmanip.c (remove_path): Likewise.
855         * cfgrtl.c (rtl_verify_bb_layout): Likewise.
856         * cgraph.c (cgraph_node::set_pure_flag): Likewise.
857         * combine.c (simplify_if_then_else): Likewise.
858         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
859         (choose_basereg): Likewise.
860         (ix86_expand_prologue): Likewise.
861         (ix86_preferred_output_reload_class): Likewise.
862         * cselib.c (cselib_record_sets): Likewise.
863         * df-scan.c (df_scan_alloc): Likewise.
864         * dojump.c (do_jump_by_parts_greater_rtx): Likewise.
865         * early-remat.c (early_remat::record_equiv_candidates): Likewise.
866         * emit-rtl.c (try_split): Likewise.
867         * graphite-scop-detection.c (assign_parameter_index_in_region): Likewise.
868         * ipa-cp.c (cgraph_edge_brings_all_agg_vals_for_node): Likewise.
869         * ira-color.c (setup_profitable_hard_regs): Likewise.
870         * ira.c (rtx_moveable_p): Likewise.
871         * lra-eliminations.c (eliminate_regs_in_insn): Likewise.
872         * read-rtl.c (read_subst_mapping): Likewise.
873         * regrename.c (scan_rtx): Likewise.
874         * reorg.c (fill_slots_from_thread): Likewise.
875         * tree-inline.c (tree_function_versioning): Likewise.
876         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
877         * tree-ssa-sink.c (statement_sink_location): Likewise.
878         * tree-ssa-threadedge.c (thread_across_edge): Likewise.
879         * tree-vect-loop.c (vect_get_loop_niters): Likewise.
880         (vect_create_epilog_for_reduction): Likewise.
881         * tree.c (build_nonstandard_integer_type): Likewise.
883 2019-06-27  Richard Biener  <rguenther@suse.de>
885         * tree-ssa-sccvn.c (vn_reference_lookup_3): Encode valueized RHS.
887 2019-06-27  Jun Ma <JunMa@linux.alibaba.com>
889         PR tree-optimization/89772
890         * gimple-fold.c (gimple_fold_builtin_memchr): consider trailing nuls in
891         out-of-bound accesses checking.
893 2019-06-27  Martin Liska  <mliska@suse.cz>
895         PR tree-optimization/91014
896         * tree-ssa-dse.c (initialize_ao_ref_for_dse): Bail out
897         when LHS is NULL_TREE.
899 2019-06-27  Martin Liska  <mliska@suse.cz>
901         * symbol-summary.h (traverse): Pass
902         argument a to the call of callback.
903         (gt_ggc_mx): Mark arguments as unused.
904         (gt_pch_nx): Likewise.
906 2019-06-27  Kewen Lin  <linkw@gcc.gnu.org>
908         PR target/62147
909         * gcc/loop-iv.c (find_simple_exit): Call finite_loop_p to update
910         finiteness.
912 2019-06-26  Jeff Law  <law@redhat.com>
914         PR tree-optimization/90883
915         * tree-ssa-dse.c (delete_dead_or_redundant_call): Fix signature.
916         (delete_dead_or_redundant_assignment): Likewise.
918         PR tree-optimization/90883
919         * tree-ssa-alias.c (stmt_kills_ref_p): Handle BUILT_IN_CALLOC.
920         * tree-ssa-dse.c: Update various comments to distinguish between
921         dead and redundant stores.
922         (initialize_ao_ref_for_dse): Handle BUILT_IN_CALLOC.
923         (dse_optimize_redundant_stores): New function.
924         (delete_dead_or_redundant_call): Renamed from delete_dead_call.
925         Distinguish between dead and redundant calls in dump output.  All
926         callers updated.
927         (delete_dead_or_redundant_assignment): Similarly for assignments.
928         (dse_optimize_stmt): Handle _CHK variants.  For statements which
929         store 0 into multiple memory locations, try to prove a subsequent
930         store is redundant.
932 2019-06-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
934         PR target/89021
935         * config/i386/i386.c (ix86_autovectorize_vector_sizes):
936         Autovectorize 8-byte vectors for TARGET_MMX_WITH_SSE.
938 2019-06-26  Iain Sandoe  <iain@sandoe.co.uk>
940         * config/rs6000/rs6000-internal.h (branch_island): New typedef.
941         (branch_islands): New extern.
942         * config/rs6000/rs6000-logue.c (macho_branch_islands): Moved from
943         * config/rs6000/rs6000.c: .. here.
945 2019-06-26  Iain Sandoe  <iain@sandoe.co.uk>
947         * config.gcc (powerpc*-*-linux*): Move target_gtfiles from here..
948         (powerpc*-*-*) ... to here.
950 2019-06-26  Jeff Law  <law@redhat.com>
952         * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle _chk variants of
953         memcpy, memmove and memset builtins.
954         (maybe_trim_memstar_call): Likewise.
956 2019-06-26  David Edelsohn  <dje.gcc@gmail.com>
958         * config/rs6000/rs6000-logue.c: Add #ifndef TARGET_PROFILE_KERNEL.
960 2019-06-26  David Edelsohn  <dje.gcc@gmail.com>
962         * config.gcc (powerpc-ibm-aix*): Define target_gtfiles.
964 2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
966         * config/rs6000/rs6000-internal.h (rs6000_keep_leaf_when_profiled): New
967         declaration.
968         * config/rs6000/rs6000-logue.c (rs6000_keep_leaf_when_profiled): Remove
969         "static".
970         * config/rs6000/rs6000-logue.c (rs6000_keep_leaf_when_profiled): Delete
971         declaration.
973 2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
975         * config/rs6000/rs6000.c: Fix previous commit, it missed some changes.
977 2019-06-26  Richard Biener  <rguenther@suse.de>
979         PR ipa/90982
980         * tree-inline.c (remap_ssa_name): Copy SSA range info.
982 2019-06-26  Richard Biener  <rguenther@suse.de>
984         * lto-streamer.h (lto_bitmap_alloc): Remove.
985         (lto_bitmap_free): Likewise.
986         * lto-streamer.c (lto_bitmap_alloc): Remove.
987         (lto_bitmap_free): Likewise.
988         (lto_obstack): Likewise.
989         (lto_obstack_initialized): Likewise.
990         * lto-streamer-out.c (lto_output): Use own obstack for local
991         bitmap, free it consistently.
993 2019-06-26  Jakub Jelinek  <jakub@redhat.com>
995         PR target/90991
996         * config/i386/sse.md
997         (*<extract_type>_vinsert<shuffletype><extract_suf>_0): Use vmovupd,
998         vmovups, vmovdqu, vmovdqu32 or vmovdqu64 instead of the aligned
999         insns if operands[2] is misaligned_operand.
1001 2019-06-26  Li Jia He  <helijia@linux.ibm.com>
1003         * config/rs6000/rs6000.h (TARGET_MADDLD): Remove the restriction of
1004         TARGET_POWERPC64.
1005         * config/rs6000/rs6000.md (maddld): Change maddld match_operand from DI
1006         to GPR.
1008 2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
1010         * doc/invoke.texi (Warning Options): Fix some @opindex syntax.
1012 2019-06-26  Martin Liska  <mliska@suse.cz>
1014         PR tree-optimization/90973
1015         * tree-vect-loop.c (vect_get_known_peeling_cost): Use
1016         epilogue_cost_vec instead of prologue_cost_vec for
1017         a epilogue cost.
1019 2019-06-26  Martin Liska  <mliska@suse.cz>
1021         * bb-reorder.c (connect_better_edge_p): Add missing else
1022         statement in the middle of if-else statements.
1024 /home/marxin/Programming/gcc/gcc/bb-reorder.c:1031:2: warning: Value stored to 'is_better_edge' is never read
1025         is_better_edge = true;
1026         ^                ~~~~
1027 /home/marxin/Programming/gcc/gcc/bb-reorder.c:1034:2: warning: Value stored to 'is_better_edge' is never read
1028         is_better_edge = false;
1029         ^                ~~~~~
1031 2019-06-25  Hongtao Liu  <hongtao.liu@intel.com>
1032             H.J. Lu  <hongjiu.lu@intel.com>
1033             Olga Makhotina  <olga.makhotina@intel.com>
1035         * common/config/i386/i386-common.c
1036         (OPTION_MASK_ISA_AVX512VP2INTERSECT_SET,
1037         OPTION_MASK_ISA_AVX512VP2INTERSECT_UNSET): New macros.
1038         (OPTION_MASK_ISA2_AVX512F_UNSET): Add
1039         OPTION_MASK_ISA_AVX512VP2INTERSECT_UNSET.
1040         (ix86_handle_option): Handle -mavx512vp2intersect.
1041         * config/i386/avx512vp2intersectintrin.h: New.
1042         * config/i386/avx512vp2intersectvlintrin.h: New.
1043         * config/i386/cpuid.h (bit_AVX512VP2INTERSECT): New.
1044         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
1045         AVX512VP2INTERSECT.
1046         * config/i386/i386-builtin-types.def: Add new types.
1047         * config/i386/i386-builtin.def: Add new builtins.
1048         * config/i386/i386-builtins.c: (enum processor_features): Add
1049         F_AVX512VP2INTERSECT.
1050         (static const _isa_names_table isa_names_table): Ditto.
1051         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1052         __AVX512VP2INTERSECT__.
1053         * config/i386/i386-expand.c (ix86_expand_builtin): Expand
1054         IX86_BUILTIN_2INTERSECTD512, IX86_BUILTIN_2INTERSECTQ512,
1055         IX86_BUILTIN_2INTERSECTD256, IX86_BUILTIN_2INTERSECTQ256,
1056         IX86_BUILTIN_2INTERSECTD128, IX86_BUILTIN_2INTERSECTQ128.
1057         * config/i386/i386-modes.def (P2QI, P2HI): New modes.
1058         * config/i386/i386-options.c (ix86_target_string): Add
1059         -mavx512vp2intersect.
1060         (ix86_option_override_internal): Handle AVX512VP2INTERSECT.
1061         * config/i386/i386.c (ix86_hard_regno_nregs): Allocate two regs for
1062         P2HImode and P2QImode.
1063         (ix86_hard_regno_mode_ok): Register pair only starts at even hardreg
1064         number for P2QImode and P2HImode.
1065         (ix86_regmode_natural_size): New function.
1066         * config/i386/i386.h (TARGET_AVX512VP2INTERSECT,
1067         TARGET_AVX512VP2INTERSECT_P, PTA_AVX512VP2INTERSECT
1068         REGMODE_NATURAL_SIZE, MASK_PAIR_REGNO_P): New.
1069         * config/i386/i386-protos.h (ix86_regmode_natural_size): Declare
1070         * config/i386/i386.opt: Add -mavx512vp2intersect.
1071         * config/i386/immintrin.h: Include avx512vp2intersectintrin.h and
1072         avx512vp2intersectvlintrin.h.
1073         * config/i386/sse.md (define_c_enum "unspec"): Add UNSPEC_VP2INTERSECT.
1074         (define_mode_iterator VI48_AVX512VP2VL): New.
1075         (avx512vp2intersect_2intersect<mode>,
1076         avx512vp2intersect_2intersectv16si): New define_insn patterns.
1077         * config.gcc: Add avx512vp2intersectvlintrin.h and
1078         avx512vp2intersectintrin.h to extra_headers.
1079         * doc/invoke.texi: Document -mavx512vp2intersect.
1081 2019-06-25  Iain Sandoe  <iain@sandoe.co.uk>
1083         * config/rs6000/darwin.h (ENDFILE_SPEC): New.
1085 2019-06-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
1087         * config/rs6000/rs6000.c (stack_info, rs6000_pic_labelno,
1088         savres_routine_syms, savres_routine_name, morestack_ref,
1089         rs6000_init_machine_status, save_reg_p, first_reg_to_save,
1090         first_fp_reg_to_save, first_altivec_reg_to_save, compute_vrsave_mask,
1091         compute_save_world_info, is_altivec_return_reg, fixed_reg_p,
1092         rs6000_savres_strategy, rs6000_stack_info, debug_stack_info,
1093         rs6000_return_addr, rs6000_decl_ok_for_sibcall,
1094         rs6000_function_ok_for_sibcall, rs6000_ra_ever_killed,
1095         rs6000_emit_load_toc_table, rs6000_emit_eh_reg_restore, uses_TOC,
1096         create_TOC_reference, rs6000_aix_asm_output_dwarf_table_ref,
1097         rs6000_emit_stack_tie, rs6000_emit_allocate_stack_1,
1098         get_stack_clash_protection_probe_interval,
1099         get_stack_clash_protection_guard_size,
1100         rs6000_emit_probe_stack_range_stack_clash, rs6000_emit_allocate_stack,
1101         rs6000_emit_probe_stack_range, output_probe_stack_range_1,
1102         interesting_frame_related_regno, output_probe_stack_range_stack_clash,
1103         output_probe_stack_range, rs6000_frame_related, generate_set_vrsave,
1104         gen_frame_set, gen_frame_load, gen_frame_store, emit_frame_save,
1105         gen_frame_mem_offset, rs6000_savres_routine_name,
1106         rs6000_savres_routine_sym, rs6000_emit_stack_reset,
1107         ptr_regno_for_savres, rs6000_emit_savres_rtx,
1108         rs6000_emit_prologue_move_from_cr, split_stack_arg_pointer_used_p,
1109         rs6000_global_entry_point_prologue_needed_p,
1110         rs6000_get_separate_components, rs6000_components_for_bb,
1111         rs6000_disqualify_components, rs6000_emit_prologue_components,
1112         rs6000_emit_epilogue_components, rs6000_set_handled_components,
1113         emit_vrsave_prologue, emit_split_stack_prologue, rs6000_emit_prologue,
1114         rs6000_output_savres_externs, rs6000_output_function_prologue,
1115         rs6000_keep_leaf_when_profiled, load_cr_save, restore_saved_cr,
1116         load_lr_save, restore_saved_lr, add_crlr_cfa_restore,
1117         offset_below_red_zone_p, emit_cfa_restores, rs6000_emit_epilogue,
1118         rs6000_output_function_epilogue, gen_add3_const,
1119         rs6000_expand_split_stack_prologue, rs6000_live_on_entry,
1120         rs6000_split_stack_space_check, rs6000_save_toc_in_prologue_p): Moved
1121         to rs6000-logue.c.
1122         (machine_function): Moved to rs6000.h.
1123         (rs6000_stack_t, ALTIVEC_REG_BIT, quad_address_offset_p) Moved to
1124         rs6000-internal.h.
1125         * config/rs6000/rs6000-logue.c(stack_info, rs6000_pic_labelno,
1126         savres_routine_syms, savres_routine_name, morestack_ref,
1127         rs6000_init_machine_status, save_reg_p, first_reg_to_save,
1128         first_fp_reg_to_save, first_altivec_reg_to_save, compute_vrsave_mask,
1129         compute_save_world_info, is_altivec_return_reg, fixed_reg_p,
1130         rs6000_savres_strategy, rs6000_stack_info, debug_stack_info,
1131         rs6000_return_addr, rs6000_decl_ok_for_sibcall,
1132         rs6000_function_ok_for_sibcall, rs6000_ra_ever_killed,
1133         rs6000_emit_load_toc_table, rs6000_emit_eh_reg_restore, uses_TOC,
1134         create_TOC_reference, rs6000_aix_asm_output_dwarf_table_ref,
1135         rs6000_emit_stack_tie, rs6000_emit_allocate_stack_1,
1136         get_stack_clash_protection_probe_interval,
1137         get_stack_clash_protection_guard_size,
1138         rs6000_emit_probe_stack_range_stack_clash, rs6000_emit_allocate_stack,
1139         rs6000_emit_probe_stack_range, output_probe_stack_range_1,
1140         interesting_frame_related_regno, output_probe_stack_range_stack_clash,
1141         output_probe_stack_range, rs6000_frame_related, generate_set_vrsave,
1142         gen_frame_set, gen_frame_load, gen_frame_store, emit_frame_save,
1143         gen_frame_mem_offset, rs6000_savres_routine_name,
1144         rs6000_savres_routine_sym, rs6000_emit_stack_reset,
1145         ptr_regno_for_savres, rs6000_emit_savres_rtx,
1146         rs6000_emit_prologue_move_from_cr, split_stack_arg_pointer_used_p,
1147         rs6000_global_entry_point_prologue_needed_p,
1148         rs6000_get_separate_components, rs6000_components_for_bb,
1149         rs6000_disqualify_components, rs6000_emit_prologue_components,
1150         rs6000_emit_epilogue_components, rs6000_set_handled_components,
1151         emit_vrsave_prologue, emit_split_stack_prologue, rs6000_emit_prologue,
1152         rs6000_output_savres_externs, rs6000_output_function_prologue,
1153         rs6000_keep_leaf_when_profiled, load_cr_save, restore_saved_cr,
1154         load_lr_save, restore_saved_lr, add_crlr_cfa_restore,
1155         offset_below_red_zone_p, emit_cfa_restores, rs6000_emit_epilogue,
1156         rs6000_output_function_epilogue, gen_add3_const,
1157         rs6000_expand_split_stack_prologue, rs6000_live_on_entry,
1158         rs6000_split_stack_space_check, rs6000_save_toc_in_prologue_p): Moved
1159         to here from rs6000.c.
1160         * config/rs6000/rs6000.h (machine_function): Moved to here from rs6000.c.
1161         * config/rs6000/rs6000-internal.h: (rs6000_stack_t, ALTIVEC_REG_BIT,
1162         quad_address_offset_p) Moved to here from rs6000.c.
1163         * config/rs6000/t-rs6000: Add new source file rs6000-logue.c.
1164         * config/config.gcc: Add new source file rs6000-logue.c to garbage
1165         collector.
1167 2019-06-25  Martin Liska  <mliska@suse.cz>
1169         * hash-table.c (hashtab_chk_error): Move here from ...
1170         * hash-table.h (hashtab_chk_error): ... here.
1172 2019-06-25  Martin Liska  <mliska@suse.cz>
1174         PR tree-optimization/90978
1175         * df-scan.c (df_update_entry_block_defs): Remove dead else
1176         branch.
1177         (df_update_exit_block_uses): Likewise.
1179 2019-06-25  Kwok Cheung Yeung  <kcy@codesourcery.com>
1180             Andrew Stubbs  <ams@codesourcery.com>
1182         * config.gcc (thread_file): Set to gcn for AMD GCN.
1183         * config/gcn/gcn.c (gcn_emutls_var_init): New function.
1184         (TARGET_EMUTLS_VAR_INIT): New hook.
1186 2019-06-25  Martin Jambor  <mjambor@suse.cz>
1188         PR ipa/90939
1189         * ipa-cp.c (ipcp_bits_lattice::meet_with): Remove assert.
1191 2019-06-25  Richard Biener  <rguenther@suse.de>
1193         PR tree-optimization/90930
1194         * tree-ssa-reassoc.c (reassociate_bb): Only rewrite expression
1195         into parallel form in the last pass instance.
1197 2019-06-25  Claudiu Zissulescu  <claziss@synopsys.com>
1199         * config/arc/arc.c (arc_symbol_binds_local_p): New function.
1200         (arc_legitimize_pic_address): Simplify and cleanup the function.
1201         (SYMBOLIC_CONST): Remove.
1202         (prepare_pic_move): Likewise.
1203         (prepare_move_operands): Handle complex mov cases here.
1204         (arc_legitimize_address_0): Remove call to
1205         arc_legitimize_pic_address.
1206         (arc_legitimize_address): Remove call to
1207         arc_legitimize_tls_address.
1208         * config/arc/arc.md (movqi_insn): Allow Cm3 match.
1209         (movhi_insn): Likewise.
1211 2019-06-25  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1213         * gcc/c-family/c-common.c (c_common_nodes_and_builtins): Define
1214         alternate "__intN__" name for "__intN" types.
1215         * gcc/c/c-parser.c (c_parse_init): Create keyword for "__intN__" type.
1216         * gcc/cp/lex.c (init_reswords): Likewise.
1217         * gcc/config/msp430/msp430.h: Use __int20__ for SIZE_TYPE and
1218         PTRDIFF_TYPE.
1219         * gcc/cp/cp-tree.h (cp_decl_specifier_seq): New bitfield "int_n_alt".
1220         * gcc/c/c-decl.c (declspecs_add_type): Don't pedwarn about "__intN" ISO
1221         C incompatibility if alternate "__intN__" form is used.
1222         * gcc/cp/decl.c (grokdeclarator): Likewise.
1223         * gcc/cp/parser.c (cp_parser_simple_type_specifier): Set
1224         decl_specs->int_n_alt if "__intN__" form is used.
1225         * gcc/gimple-ssa-sprintf.c (build_intmax_type_nodes): Accept "__intN__"
1226         format of "__intN" types for UINTMAX_TYPE.
1227         * gcc/brig/brig-lang.c (brig_build_c_type_nodes): Accept "__intN__"
1228         format of "__intN" types for SIZE_TYPE.
1229         * gcc/lto/lto-lang.c (lto_build_c_type_nodes): Likewise.
1230         * gcc/stor-layout.c (initialize_sizetypes): Accept "__intN__"
1231         format of "__intN" types for SIZETYPE.
1232         * gcc/tree.c (build_common_tree_nodes): Accept "__intN__"
1233         format of "__intN" types for SIZE_TYPE and PTRDIFF_TYPE.
1234         * gcc/doc/invoke.texi: Document that __intN__ disables pedantic
1235         warnings.
1237 2019-06-25  Jan Hubicka  <jh@suse.cz>
1239         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Check that
1240         base2_alias_set is non-zero before doing TBAA based disambiguation.
1242 2019-06-25  Martin Liska  <mliska@suse.cz>
1244         PR tree-optimization/90973
1245         * tree-vect-loop.c (vect_get_known_peeling_cost): Sum retval
1246         of prologue and epilogue.
1248 2019-06-24  Jan Hubicka  <jh@suse.cz>
1250         * ipa-utils.h (type_with_linkage_p): Verify that type is
1251         CXX_ODR_P.
1252         (odr_type_p): Remove extra return.
1253         * lto-streamer-out.c (hash_tree): Hash TYPE_CXX_ODR_P;
1254         hash STRING_FLAG only for arrays and integers.
1255         * tree-stremaer-in.c (unpack_ts_type_common_value_fields):
1256         Update analogously.
1257         * tree-streamer-out.c (pack_ts_type_common_value_fields):
1258         Likewise.
1259         * print-tree.c (print_node): Print cxx-odr-p
1260         and string-flag.
1261         * tree.c (need_assembler_name_p): Also check that type
1262         is CXX_ODR_TYPE_P
1263         (verify_type_variant): Update verification of SRING_FLAG;
1264         also check CXX_ODR_P.
1265         * tree.h (ARRAY_OR_INTEGER_TYPE_CHECK): New macro.
1266         (TYPE_STRING_FLAG): Use it.
1267         (TYPE_CXX_ODR_P): New macro.
1268         * dwarf2out.c (gen_array_type_die): First check that type
1269         is an array and then test string flag.
1271 2019-06-24  Richard Biener  <rguenther@suse.de>
1273         PR tree-optimization/90972
1274         * tree-vect-stmts.c (vect_init_vector): Handle CONSTANT_CLASS_P
1275         in common code, dealing with STRING_CST properly.
1277 2019-06-24  Richard Biener  <rguenther@suse.de>
1279         PR tree-optimization/90930
1280         PR tree-optimization/90316
1281         * tree-ssa-alias.c (walk_non_aliased_vuses): Add missing
1282         decrement of limit.
1284 2019-06-24  Martin Sebor  <msebor@redhat.com>
1286         * tree-pretty-print.h: Remove unnecessary punctuation characters
1287         from a diagnostic.
1288         * tree-ssa.c (release_defs_bitset): Correct preprocessor conditional.
1290 2019-06-24  Jonathan Wakely  <jwakely@redhat.com>
1292         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG, LDBL_DECIMAL_DIG)
1293         (FLT_HAS_SUBNORM, DBL_HAS_SUBNORM, LDBL_HAS_SUBNORM, FLT_TRUE_MIN)
1294         (DBL_TRUE_MIN, LDBL_TRUE_MIN): Also define for C++17.
1296 2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>
1298         * config/rs6000/darwin.h: Handle GCC target pragma.
1300 2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>
1302         * config/rs6000/darwin.h: (__PPC__, __PPC64__): New.
1304 2019-06-22  Jeff Law  <law@redhat.com>
1306         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1308 2019-06-22  Jan Hubicka  <jh@suse.cz>
1310         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Do not
1311         give up on bitfields; continue searching for different refs
1312         appearing later.
1314 2019-06-21  Jakub Jelinek  <jakub@redhat.com>
1316         * tree-vect-data-refs.c (vect_find_stmt_data_reference): Handle
1317         even zero DR_OFFSET, but DR_BASE_ADDRESS of POINTER_PLUS_EXPR
1318         containing the offset as possible simd lane access.  Look through
1319         widening conversion.  Move the
1320         TREE_CODE (DR_INIT (newdr)) == INTEGER_CST test earlier and reindent.
1322 2019-06-21  Richard Biener  <rguenther@suse.de>
1324         PR tree-optimization/90930
1325         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Set visited
1326         flag on new stmts to avoid re-processing them.
1328 2019-06-21  Matthew Beliveau  <mbelivea@redhat.com>
1330         PR c++/90875 - added -Wswitch-outside-range option
1331         * doc/invoke.texi (Wswitch-outside-range): Document.
1333 2019-06-21  Jeff Law  <law@redhat.com>
1335         PR tree-optimization/90949
1336         * tree-ssa-copy.c (fini_copy_prop): Use reset_flow_sensitive_info.
1337         * tree-ssanames.c (reset_flow_sensitive_info): Reset non-null state.
1339 2019-06-21  Richard Biener  <rguenther@suse.de>
1341         PR debug/90914
1342         * dwarf2out.c (prune_unused_types_walk): Always consider
1343         function-local extern declarations as used.
1345 2019-06-21  Richard Biener  <rguenther@suse.de>
1347         PR tree-optimization/90913
1348         * tree-vect-loop-manip.c (vect_loop_versioning): Do not re-use
1349         the scalar variant of if-conversion versioning.
1351 2019-06-21  Jakub Jelinek  <jakub@redhat.com>
1353         * omp-low.c (lower_rec_simd_input_clauses): Add rvar2 argument,
1354         create another "omp scan inscan exclusive" array if
1355         !ctx->scan_inclusive.
1356         (lower_rec_input_clauses): Handle exclusive scan inscan reductions.
1357         (lower_omp_scan): Likewise.
1358         * tree-vectorizer.h (struct _stmt_vec_info): Use 3-bit instead of
1359         2-bit bitfield for simd_lane_access_p member.
1360         * tree-vect-data-refs.c (vect_analyze_data_refs): Also handle
1361         aux == (void *)-4 as simd lane access.
1362         * tree-vect-stmts.c (check_scan_store): Handle exclusive scan.  Update
1363         comment with permutations to show the canonical permutation order.
1364         (vectorizable_scan_store): Handle exclusive scan.
1365         (vectorizable_store): Call vectorizable_scan_store even for
1366         STMT_VINFO_SIMD_LANE_ACCESS_P > 3.
1368         * tree-vect-data-refs.c (vect_find_stmt_data_reference): Handle
1369         "omp simd array" arrays with one byte elements.
1371 2019-06-20  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1373         * config/alpha/alpha.md (@unaligned_store<mode>):
1374         Rename from unaligned_store<mode>.
1375         (@reload_in<mode>_aligned): Rename from reload_in<mode>_aligned.
1376         * config/alpha/sync.md (@load_locked_<mode>): Rename
1377         from load_locked_<mode>.
1378         (@store_conditional_<mode>): Rename from store_conditional_<mode>.
1379         (@atomic_compare_and_swap<mode>_1): Rename
1380         from atomic_compare_and_swap<mode>_1.
1381         (@atomic_exchange<mode>_1): Rename from atomic_exchange<mode>_1.
1382         * config/alpha/alpha.c (alpha_expand_mov_nobwx):
1383         Use gen_reload_in_aligned and gen_unaligned_store.
1384         (emit_load_locked): Remove.
1385         (emit_store_conditional): Ditto.
1386         (alpha_split_atomic_op): Use gen_load_locked and gen_store_conditional.
1387         (alpha_split_compare_and_swap): Ditto.
1388         (alpha_expand_compare_and_swap_12): Use gen_atomic_compare_and_swap_1.
1389         (alpha_split_compare_and_swap_12): Use gen_load_locked
1390         and gen_store_conditional.
1391         (alpha_split_atomic_exchange): Ditto.
1392         (alpha_expand_atomic_exchange_12): Use gen_atomic_exchange_1.
1393         (alpha_split_atomic_exchange_12): Use gen_load_locked
1394         and gen_store_conditional.
1396 2019-06-20  Richard Earnshaw  <rearnsha@arm.com>
1398         * config/aarch64/aarch64-errata.h: New file.
1399         * config/aarch64/aarch64-elf-raw.h (CA53_ERR_835769_SPEC): Delete.
1400         (CA53_ERR_843419_SPEC): Delete.
1401         (LINK_SPEC): Use AARCH64_ERRATA_LINK_SPEC instead of above.
1402         * config/aarch64/aarch64-linux.h: Likewise.
1403         * config/aarch64/aarch64-netbsd.h: Likewise.
1404         * config/aarch64/aarch64-freebsd.h: Likewise.
1406 2019-06-20  Marek Polacek  <polacek@redhat.com>
1408         * config/sh/sh.c (sh2a_function_vector_p): Use get_attribute_name.
1410 2019-06-20  Michael Meissner  <meissner@linux.ibm.com>
1412         * config/rs6000/rs6000.md (isa attribute): Add support for
1413         for a future processor.
1415 2019-06-20  H.J. Lu  <hongjiu.lu@intel.com>
1417         PR target/54855
1418         * config/i386/i386-expand.c (ix86_expand_vector_set): Generate
1419         standard scalar operation pattern for V2DF.
1420         * config/i386/sse.md (*<sse>_vm<plusminus_insn><mode>3): New.
1421         (*<sse>_vm<multdiv_mnemonic><mode>3): Likewise.
1422         (*ieee_<ieee_maxmin><mode>3): Likewise.
1423         (vec_setv2df_0): Likewise.
1425 2019-06-20  Jan Hubicka  <jh@suse.cz>
1427         * tree-ssa-alias.c (aliasing_component_refs_p): Remove ref2_is_decl
1428         parameter; it has no use in gimple memory model.
1429         (indirect_ref_may_alias_decl_p): Update.
1431 2019-06-20  Martin Liska  <mliska@suse.cz>
1433         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): Decrease
1434         to 10.
1436 2019-06-20  Jakub Jelinek  <jakub@redhat.com>
1438         * tree-vect-stmts.c (enum scan_store_kind): New type.
1439         (scan_store_can_perm_p): Change last argument from int * to
1440         vec<enum scan_store_kind> *, record precisely which permutations
1441         need whole vector left shift or that plus VEC_COND_EXPR.
1442         (vectorizable_scan_store): Adjust caller, use whole vector left shift
1443         and additional VEC_COND_EXPR only for those iterations that need it.
1445 2019-06-20  Alexandre Oliva <oliva@adacore.com>
1447         * config.gcc: Fix ARM --with-fpu checking and error message.
1449 2019-06-19  Marek Polacek  <polacek@redhat.com>
1451         PR c++/60364 - noreturn after first decl not diagnosed.
1452         * attribs.c (get_attribute_namespace): No longer static.
1453         (decl_attributes): Avoid shadowing.  Preserve the C++11 form for C++11
1454         attributes.
1455         (attr_noreturn_exclusions): Make it extern.
1456         * attribs.h (get_attribute_namespace): Declare.
1457         * tree-inline.c (function_attribute_inlinable_p): Use
1458         get_attribute_name.
1460 2019-06-19  Martin Sebor  <msebor@redhat.com>
1462         PR tree-optimization/90626
1463         * tree-ssa-strlen.c (strxcmp_unequal): Fix typos.
1465         PR tree-optimization/90626
1466         * tree-ssa-strlen.c (strxcmp_unequal): New function.
1467         (handle_builtin_string_cmp): Call it.
1469 2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>
1471         * config/darwin.h (DRIVER_SELF_SPECS): Add RDYNAMIC, DARWIN_PIE_SPEC
1472         and DARWIN_NOPIE_SPEC.
1473         (RDYNAMIC): New, modified from DARWIN_EXPORT_DYNAMIC.
1474         (DARWIN_PIE_SPEC): Collate from darwin.h and darwin9.h.
1475         (DARWIN_NOPIE_SPEC): Collate from darwin10.h.
1476         (DARWIN_NOCOMPACT_UNWIND): New from darwin10.h
1477         (DARWIN_EXPORT_DYNAMIC): Delete.
1478         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move no_compact_unwind
1479         and pie options processing to  darwin.h.
1480         * config/darwin9.h (DARWIN_PIE_SPEC): Move pie processing to darwin.h
1482 2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>
1484         * config/darwin-driver.c (darwin_driver_init): Fix off-by-one errors
1485         in computing the number of options to be moved.
1487 2019-06-19  Maya Rashish  <coypu@sdf.org>
1489         *  config/arm/netbsd-elf.h (SYSARCH_ARM_SYNC_ICACHE): New definition.
1490         (CLEAR_INSN_CACHE) Use it.
1492 2019-06-19  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1494         * config/i386/i386.md (cmpstrnsi): Remove dead code.
1496 2019-06-19  Wilco Dijkstra  <wdijkstr@arm.com>
1498         PR middle-end/84521
1499         * builtins.c (expand_builtin_setjmp_setup): Save
1500         hard_frame_pointer_rtx.
1501         (expand_builtin_setjmp_receiver): Do not emit sfp = fp move since we
1502         restore fp.
1503         * function.c (expand_function_start): Save hard_frame_pointer_rtx for
1504         non-local goto.
1505         * lra-eliminations.c (eliminate_regs_in_insn): Remove sfp = fp
1506         elimination code.
1507         (remove_reg_equal_offset_note): Remove unused function.
1508         * reload1.c (eliminate_regs_in_insn): Remove sfp = hfp elimination
1509         code.
1510         * config/arc/arc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1511         (arc_builtin_setjmp_frame_value): Remove function.
1512         * config/avr/avr.c  (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1513         (avr_builtin_setjmp_frame_value): Remove function.
1514         * config/i386/i386.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1515         (ix86_builtin_setjmp_frame_value): Remove function.
1516         * config/pa/pa.md (nonlocal_goto): Remove FP adjustment.
1517         * config/sparc/sparc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1518         (sparc_builtin_setjmp_frame_value): Remove function.
1519         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1520         (vax_builtin_setjmp_frame_value): Remove function.
1521         * config/xtensa/xtensa.c (xtensa_frame_pointer_required): Force frame
1522         pointer if has_nonlocal_label.
1524 2019-06-19  Jakub Jelinek  <jakub@redhat.com>
1526         * doc/md.texi: Document vec_shl_<mode> pattern.
1527         * optabs.def (vec_shl_optab): New optab.
1528         * optabs.c (shift_amt_for_vec_perm_mask): Add shift_optab
1529         argument, if == vec_shl_optab, check for left whole vector shift
1530         pattern rather than right shift.
1531         (expand_vec_perm_const): Add vec_shl_optab support.
1532         * optabs-query.c (can_vec_perm_var_p): Mention also vec_shl optab
1533         in the comment.
1534         * tree-vect-generic.c (lower_vec_perm): Support permutations which
1535         can be handled by vec_shl_optab.
1536         * tree-vect-stmts.c (scan_store_can_perm_p): New function.
1537         (check_scan_store): Use it.
1538         (vectorizable_scan_store): If target can't do normal permutations,
1539         try to use whole vector left shifts and if needed a VEC_COND_EXPR
1540         after it.
1541         * config/i386/sse.md (vec_shl_<mode>): New expander.
1543         * omp-low.c (lower_rec_input_clauses): Handle references properly
1544         in inscan clauses.
1545         (lower_omp_scan): Likewise.
1547 2019-06-19  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
1549         * tree-ssa-address.c (preferred_mem_scale_factor): Handle when
1550         mem_mode is BLKmode.
1552 2019-06-18  Max Filippov  <jcmvbkbc@gmail.com>
1554         PR target/90922
1555         * config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
1556         pointer adjustment for the case of no callee-saved registers and
1557         stack frame bigger than 128 bytes.
1559 2019-06-18  Thomas Schwinge  <thomas@codesourcery.com>
1561         PR middle-end/90862
1562         * omp-low.c (check_omp_nesting_restrictions): Handle
1563         GF_OMP_TARGET_KIND_OACC_DECLARE.
1565 2019-06-18  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1567         * config/i386/i386.md (@cmp<mode>_1): Rename from cmp<mode>_1.
1568         (@add<mode>3_carry): Rename from add<mode>3_carry.
1569         (@sub<mode>3_carry_ccc): Rename from sub<mode>3_carry_ccc.
1570         (@sub<mode>3_carry_ccgz): Rename form sub<mode>3_carry_ccgz.
1571         (@copysign<mode>3_const): Rename from copysign<mode>3_const.
1572         (@copysign<mode>3_var): Rename from copysign<mode>3_var.
1573         (@xorsign<mode>3_1): Rename from xorsign<mode>3_1.
1574         (@x86_shift<mode>_adj_1): Rename from x86_shift<mode>_adj_1.
1575         (@x86_shift<mode>_adj_2): Rename from x86_shift<mode>_adj_2.
1576         (@x86_shift<mode>_adj_3): Rename from x86_shift<mode>_adj_3.
1577         (cmpstrnsi): Use gen_cmp_1.
1578         (lwp_slwpcb): Use gen_lwp_slwpcb_1.
1579         (@lwp_slwpcb<mode>_1): Rename from lwp_slwpcb<mode>_1.
1580         (@umonitor_<mode>): Rename from umonitor_<mode>.
1581         * config/i386/i386-expand.c (ix86_expand_copysign):
1582         Use gen_copysign3_const and gen_copysign3_var.
1583         (ix86_expand_xorsign): Use gen_xorsign3_1.
1584         (ix86_expand_branch): Use gen_sub3_carry_ccc,
1585         gen_sub3_carry_ccgz and gen_cmp1.
1586         (ix86_expand_int_addcc): Use gen_sub3_carry and gen_add3_carry.
1587         (ix86_split_ashl): Use gen_x86_shift_adj_1 and gen_x86_shift_adj_2.
1588         (ix86_split_ashr): Use gen_x86_shift_adj_1 and gen_x86_shift_adj_3.
1589         (ix86_split_lshr): Ditto.
1590         (ix86_expand_builtin) <case IX86_BUILTIN_UMONITOR>: Use gen_umonitor.
1592 2019-06-18  Jason Merrill  <jason@redhat.com>
1594         * tree.c (build_constructor): Add MEM_STAT_DECL.
1596 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1598         * config/aarch64/aarch64-modes.def (CC_NZC): New CC_MODE.
1599         * config/aarch64/aarch64-sve.md (*<optab><mode>3_cc)
1600         (ptest_ptrue<mode>, while_ult<GPI:mode><PRED_ALL:mode>)
1601         (*while_ult<GPI:mode><PRED_ALL:mode>_cc, *cmp<cmp_op><mode>)
1602         (*cmp<cmp_op><mode>_ptest, *cmp<cmp_op><mode>_cc)
1603         (*pred_cmp<cmp_op><mode>_combine, *pred_cmp<cmp_op><mode>)
1604         (vec_cmp<mode><vpred>, vec_cmpu<mode><vpred>, cbranch<mode>4):
1605         Use CC_NZC instead of CC.
1606         * config/aarch64/aarch64.md (condjump): Print a '.' in SVE conditions.
1607         * config/aarch64/aarch64.c (aarch64_sve_condition_codes): New variable.
1608         (aarch64_print_operand): Handle E_CC_NZCmode.
1609         (aarch64_emit_sve_ptrue_op_cc): Use gen_set_clobber_cc_nzc instead
1610         of gen_set_clobber_cc.
1612 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1614         * config/aarch64/aarch64-sve.md: Tabify file.
1616 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1618         * config/aarch64/aarch64-protos.h (aarch64_pfalse_reg): Declare.
1619         * config/aarch64/aarch64.c (aarch64_pfalse_reg): New function.
1620         * config/aarch64/aarch64-sve.md: Use it.
1622 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1624         * config/aarch64/aarch64-protos.h (aarch64_ptrue_reg): Declare.
1625         * config/aarch64/aarch64.c (aarch64_ptrue_reg): New functions.
1626         (aarch64_expand_sve_widened_duplicate, aarch64_expand_sve_mem_move)
1627         (aarch64_maybe_expand_sve_subreg_move, aarch64_evpc_rev_local)
1628         (aarch64_expand_sve_vec_cmp_int): Use it.
1629         (aarch64_expand_sve_vec_cmp_float): Likewise.
1630         * config/aarch64/aarch64-sve.md: Likewise throughout.
1632 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1633             Kugan Vivekanandarajah  <kuganv@linaro.org>
1635         * config/aarch64/aarch64-sve.md (*cond_<optab><mode>_0): Delete.
1636         (*cond_<optab><mode>_z): Fold into...
1637         (*cond_<optab><mode>_any): ...here.  Also handle cases in which
1638         operand 4 can be tied to operand 0 (either inherently or via RA).
1640 2019-06-18  Richard Biener  <rguenther@suse.de>
1642         PR debug/90900
1643         * cfgexpand.c (expand_debug_expr): Treat NOTE_P DECL_RTL
1644         as if optimized away.
1646 2019-06-18  Tom de Vries  <tdevries@suse.de>
1648         * config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Remove.
1649         * config/nvptx/nvptx.c (gen_set_softstack_insn): Remove.
1650         * config/nvptx/nvptx.md (define_insn "set_softstack_<mode>"):
1651         Rename to ...
1652         (define_insn "@set_softstack_<mode>"): ... this.
1653         (define_insn "omp_simt_enter_<mode>"): Rename to ...
1654         (define_insn "@omp_simt_enter_<mode>"): ... this.
1655         (define_insn "omp_simt_exit_<mode>"): Rename to ...
1656         (define_insn "@omp_simt_exit_<mode>"): ... this.
1658 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1660         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): Remove
1661         vf parameter.  Restore the previous iv step of nscalars_step,
1662         but give it iv_type rather than compare_type.  Tweak code order
1663         to match the comments.
1664         (vect_set_loop_condition_masked): Update accordingly.
1665         * tree-vect-loop.c (vect_verify_full_masking): Use "unsigned int"
1666         for iv_precision.  Tweak comment formatting.
1668 2019-06-18  Iain Sandoe  <iain@sandoe.co.uk>
1670         * config/darwin.c: Strip trailing whitespace.
1672 2019-06-18  Iain Sandoe  <iain@sandoe.co.uk>
1674         * config/darwin.c (darwin_emit_unwind_label): New default to false.
1675         (darwin_override_options): Set darwin_emit_unwind_label as needed.
1677 2019-06-18  Martin Jambor  <mjambor@suse.cz>
1679         PR ipa/90889
1680         * ipa-cp.c (ignore_edge_p): Do not ignore edges when only the
1681         caller does not have flag_ipa_cp set.
1683 2019-06-18  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1685         * config/aarch64/aarch64-sve.md (mask_fold_left_plus_<mode>): Renamed
1686         from "*fold_left_plus_<mode>", updated operands order.
1687         * doc/md.texi (mask_fold_left_plus_@var{m}): Documented new optab.
1688         * internal-fn.c (mask_fold_left_direct): New define.
1689         (expand_mask_fold_left_optab_fn): Likewise.
1690         (direct_mask_fold_left_optab_supported_p): Likewise.
1691         * internal-fn.def (MASK_FOLD_LEFT_PLUS): New internal function.
1692         * optabs.def (mask_fold_left_plus_optab): New optab.
1693         * tree-vect-loop.c (mask_fold_left_plus_optab): New function to get a
1694         masked internal_fn for a reduction ifn.
1695         (vectorize_fold_left_reduction): Add support for masking reductions.
1697 2019-06-18  Kewen Lin  <linkw@gcc.gnu.org>
1699         PR middle-end/80791
1700         * target.def (predict_doloop_p): New hook.
1701         * targhooks.h (default_predict_doloop_p): New declaration.
1702         * targhooks.c (default_predict_doloop_p): New function.
1703         * doc/tm.texi.in (TARGET_PREDICT_DOLOOP_P): New hook.
1704         * doc/tm.texi: Regenerate.
1705         * config/rs6000/rs6000.c (rs6000_predict_doloop_p): New function.
1706         (TARGET_PREDICT_DOLOOP_P): New macro.
1707         * tree-ssa-loop-ivopts.c (generic_predict_doloop_p): New function.
1709 2019-06-17  Jakub Jelinek  <jakub@redhat.com>
1711         * omp-low.c (struct omp_context): Add scan_inclusive field.
1712         (scan_omp_1_stmt) <case GIMPLE_OMP_SCAN>: Set ctx->scan_inclusive
1713         if inclusive scan.
1714         (struct omplow_simd_context): Add lastlane member.
1715         (lower_rec_simd_input_clauses): Add rvar argument, handle inscan
1716         reductions.  Build 2 or 3 argument .GOMP_SIMD_LANE calls rather than
1717         1 or 2 argument.
1718         (lower_rec_input_clauses): Handle inscan reductions in simd contexts.
1719         (lower_lastprivate_clauses): Set TREE_THIS_NOTRAP on the ARRAY_REF.
1720         (lower_omp_scan): New function.
1721         (lower_omp_1) <case GIMPLE_OMP_SCAN>: Use lower_omp_scan.
1722         * tree-ssa-dce.c (eliminate_unnecessary_stmts): For IFN_GOMP_SIMD_LANE
1723         check 3rd argument if present rather than 2nd.
1724         * tree-vectorizer.h (struct _loop_vec_info): Add scan_map member.
1725         (struct _stmt_vec_info): Change simd_lane_access_p from bool into
1726         2-bit bitfield.
1727         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1728         scan_map.  For IFN_GOMP_SIMD_LANE check 3rd argument if present rather
1729         than 2nd.
1730         (_loop_vec_info::~_loop_vec_info): Delete scan_map.
1731         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Allow two
1732         different STMT_VINFO_SIMD_LANE_ACCESS_P refs if they have the same
1733         init.
1734         (vect_find_stmt_data_reference): Encode in ->aux the 2nd
1735         IFN_GOMP_SIMD_LANE argument.
1736         (vect_analyze_data_refs): Set STMT_VINFO_SIMD_LANE_ACCESS_P from the
1737         encoded ->aux value.
1738         * tree-vect-stmts.c: Include attribs.h.
1739         (vectorizable_call): Adjust comment about IFN_GOMP_SIMD_LANE.
1740         (scan_operand_equal_p, check_scan_store, vectorizable_scan_store): New
1741         functions.
1742         (vectorizable_load): For STMT_VINFO_SIMD_LANE_ACCESS_P tests use != 0.
1743         (vectorizable_store): Handle STMT_VINFO_SIMD_LANE_ACCESS_P > 1.
1745 2019-06-17  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1747         PR target/62055
1748         * config/i386/i386.md (*nabstf2_1): New insn pattern.
1749         (*nabs<mode>2_1): Ditto.
1750         (nabs sse-reg splitter): New splitter.
1751         * config/i386/sse.md (*nabs<mode>2): New insn_and_split pattern.
1753 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
1755         PR bootstrap/90873.
1756         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Fix
1757         TMR index check.
1759 2019-06-17  Tom de Vries  <tdevries@suse.de>
1761         * config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Declare.
1762         * config/nvptx/nvptx.c (gen_set_softstack_insn): New function.
1763         * config/nvptx/nvptx.md (define_insn "set_softstack_insn"): Rename to
1764         ...
1765         (define_insn "set_softstack_<mode>"): ... this.  Use P iterator on
1766         match_operand 0.
1767         (define_insn "omp_simt_enter_insn"): Rename to ...
1768         (define_insn "omp_simt_enter_<mode>"): ... this.  Use P iterator on
1769         match_operand 0, 1 and 2, as well as the unspec_volatile result.
1770         (define_expand "omp_simt_enter): Use gen_omp_simt_enter_di and
1771         gen_omp_simt_enter_si.
1772         (define_expand "omp_simt_exit"): New.
1773         (define_insn "omp_simt_exit"): Rename to ...
1774         (define_insn "omp_simt_exit_<mode>"): ... this.  Use P iterator on
1775         match_operand 0.
1777 2019-06-17  Matthew Green  <mrg@eterna.com.au>
1778             Maya Rashish  <coypu@sdf.org>
1780         * config.gcc (aarch64*-*-netbsd*): New target.
1781         * config/aarch64/aarch64-netbsd.h: New file.
1782         * config/aarch64/t-aarch64-netbsd: Likewise.
1784 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
1786         * tree-ssa-alias.c (aliasing_component_refs_p): Consider only
1787         the access path from base to first VIEW_CONVERT_EXPR or
1788         BIT_FIELD_REF.
1790 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
1792         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Also truncate
1793         access path on BIT_FIELD_REFs.
1795 2019-06-17  Martin Liska  <mliska@suse.cz>
1797         PR ipa/90874
1798         * ipa-utils.h (odr_type_p): Remove dead code.
1800 2019-06-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1802         * configure.ac (ld_vers) <*-*-solaris2*>: Remove support for
1803         alternative Solaris 11.4 format.
1804         * configure: Regenerate.
1806 2019-06-17  Tom de Vries  <tdevries@suse.de>
1808         * config/nvptx/nvptx.md (define_insn "call_insn"): Rename to ...
1809         (define_insn "call_insn_<mode>"): ... this.  Use P iterator on
1810         match_operand 0.
1811         (define_insn "call_value_insn"): Rename to ...
1812         (define_insn "call_value_insn_<mode>"): this.  Use P iterator on
1813         match_operand 0.
1814         (define_insn "nvptx_red_partition"): Set unspec_volatile result mode to
1815         DI.
1817 2019-06-16  John David Anglin  <danglin@gcc.gnu.org>
1819         PR middle-end/64242
1820         * config/pa/pa.md (nonlocal_goto): Restore frame pointer last.  Add
1821         frame clobbers and schedule block.
1822         (builtin_longjmp): Likewise.
1824 2019-06-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1826         * config/msp430/msp430.c (msp430_expand_helper): Setup arguments which
1827         describe how to perform MSPABI compliant 64-bit shift.
1828         * config/msp430/msp430.md (ashldi3): New define_expand.
1829         (ashrdi3): New define_expand.
1830         (lshrdi3): New define_expand.
1832 2019-06-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1834         * doc/sourcebuild.texi: Document new effective target keyword
1835         longlong64.
1837 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
1839         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p,
1840         indirect_refs_may_alias_p): Revert accidental commits.
1842         * tree-ssa-alias.c (aliasing_component_refs_p): Watch for arrays
1843         at the end of structures.
1845 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
1847         * config/darwin.c (machopic_indirect_call_target): Use renamed
1848         darwin_picsymbol_stubs to decide on output.
1849         (darwin_override_options): Handle darwin_picsymbol_stubs.
1850         * config/darwin.h (MIN_LD64_OMIT_STUBS): New.
1851         (LD64_VERSION): Revise default.
1852         * config/darwin.opt: (mpic-symbol-stubs): New option.
1853         (darwin_picsymbol_stubs): New variable.
1854         * config/i386/darwin.h (TARGET_MACHO_BRANCH_ISLANDS):
1855         rename to TARGET_MACHO_PICSYM_STUBS.
1856         * config/i386/i386.c (output_pic_addr_const): Likewise.
1857         * config/i386/i386.h Likewise.
1858         * config/rs6000/darwin.h: Likewise.
1859         * config/rs6000/rs6000.c (rs6000_call_darwin_1): Use renamed
1860         darwin_picsymbol_stubs.
1862 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
1864         * config/darwin.opt (prebind, noprebind, seglinkedit,
1865         noseglinkedit): Add RejectNegative.
1867 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
1869         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Fix pasto
1870         in my previous patch.
1872 2019-06-16  Tom de Vries  <tdevries@suse.de>
1874         PR tree-optimization/89376
1875         * tree-parloops.c (oacc_entry_exit_ok_1): Handle red == NULL.
1877 2019-06-15  Maya Rashish  <coypu@sdf.org>
1879         * doc/invoke.texi (Spec Files): Update location of the
1880         Fortran spec file.
1882 2019-06-15  Gerald Pfeifer  <gerald@pfeifer.com>
1884         * doc/extend.texi (Common Function Attributes): Clarify
1885         no_sanitize.  Fix grammar.
1887 2019-06-15  Jan Hubicka  <hubicka@ucw.cz>
1889         * tree-ssa-alias.c (alias_stats): Add
1890         nonoverlapping_component_refs_p_may_alias,
1891         nonoverlapping_component_refs_p_no_alias,
1892         nonoverlapping_component_refs_of_decl_p_may_alias,
1893         nonoverlapping_component_refs_of_decl_p_no_alias.
1894         (dump_alias_stats): Dump them.
1895         (nonoverlapping_component_refs_of_decl_p): Add stats.
1896         (nonoverlapping_component_refs_p): Add stats; do not stop on first
1897         ARRAY_REF.
1899 2019-06-15  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1901         * config/i386/i386.md (and<mode>3): Generate zero-extends for
1902         TARGET_ZERO_EXTEND_WITH_AND && optimize_function_for_speed_p (cfun))
1903         only.
1904         (*anddi3_doubleword): Split before reload. Merge with
1905         anddi->zext pre-reload splitter.
1906         (*andndi3_doubleword): Split before reload.
1907         (*<code>di3_doubleword): Ditto.
1908         (*one_cmpldi2_doubleword): Ditto.
1910 2019-06-15  Jakub Jelinek  <jakub@redhat.com>
1912         PR middle-end/90779
1913         * gimplify.c: Include omp-offload.h and context.h.
1914         (gimplify_bind_expr): Add "omp declare target" attributes
1915         to static block scope variables inside of target region or target
1916         functions.
1918 2019-06-15  Tom de Vries  <tdevries@suse.de>
1920         PR tree-optimization/90009
1921         * tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
1922         Return NULL if bb contains IFN_UNIQUE.
1924 2019-06-14  Segher Boessenkool  <segher@kernel.crashing.org>
1926         * config/rs6000/rs6000.md (CCEITHER): New define_mode_iterator.
1927         (un): New define_mode_attr.
1928         (isel_signed_<mode>, isel_unsigned_<mode>): Delete, merge into ...
1929         (isel_<un>signed_<GPR:mode>): ... this.  New define_insn.
1930         (isel_reversed_signed_<mode>, isel_reversed_unsigned_<mode>): Delete,
1931         merge into ...
1932         (isel_reversed_<un>signed_<GPR:mode>): ... this.  New define_insn.
1934 2019-06-14  Iain Sandoe  <iain@sandoe.co.uk>
1936         * config/darwin.opt: Add RejectNegative where needed, reorder
1937         and add minimal functional descriptions.
1939 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
1941         PR rtl-optimization/90765
1942         * calls.c (update_stack_alignment_for_call): New function.
1943         (expand_call): Call update_stack_alignment_for_call when
1944         outgoing parameter is passed in the stack.
1945         (emit_library_call_value_1): Likewise.
1946         * function.c (locate_and_pad_parm): Don't update
1947         stack_alignment_needed and preferred_stack_boundary.
1949 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
1951         PR target/90877
1952         * config/i386/i386-features.c
1953         (dimode_scalar_chain::compute_convert_gain): Replace
1954         mmxsse_to_integer with sse_to_integer.
1955         * config/i386/i386.c (ix86_register_move_cost): Verify that
1956         moves between MMX and non-MMX units require secondary memory.
1957         Correct costs of moves between SSE and integer units.
1958         * config/i386/i386.h (processor_costs): Rename cost of moving
1959         SSE register to integer to sse_to_integer.  Rename cost of
1961 2019-06-14  Matt Thomas  <matt@3am-software.com>
1962             Matthew Green  <mrg@eterna.com.au>
1963             Nick Hudson  <skrll@netbsd.org>
1964             Maya Rashish  <coypu@sdf.org>
1965             Richard Earnshaw  <rearnsha@arm.com>
1967         * config.gcc (arm*-*-netbsdelf*) Add support for EABI configuration.
1968         * config.host (arm*-*-netbsd*): Use driver-arm.o on native NetBSD.
1969         * config/arm/netbsd-eabi.h: New file.
1970         * config/arm/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Undefine before
1971         redefining.
1972         (SUBTARGET_EXTRA_ASM_SPEC): Don't pass -matpcs to the assembler.
1973         * config/netbsd-elf.h (NETBSD_LINK_LD_ELF_SO_SPEC): New define.
1974         (NETBSD_SUBTARGET_EXTRA_SPECS): New define.
1975         (SUBTARGET_EXTRA_SPECS): Define to NETBSD_SUBTARGET_EXTRA_SPECS.
1977 2019-06-14  Richard Biener  <rguenther@suse.de>
1979         * tree-loop-distribution.c (classify_partition): Return
1980         whether a reduction appeared in all partitions and do not
1981         stop builtin detection because of this.
1982         (distribute_loop): Sort a non-builtin partition last if
1983         there's a reduction in all partitions and make sure the
1984         partition prevailing as last is not a builtin.
1986 2019-06-14  Feng Xue  <fxue@os.amperecomputing.com>
1988         PR ipa/90401
1989         * ipa-prop.c (add_to_agg_contents_list): New function.
1990         (clobber_by_agg_contents_list_p): Likewise.
1991         (extract_mem_content): Likewise.
1992         (get_place_in_agg_contents_list): Delete.
1993         (determine_known_aggregate_parts): Renamed from
1994         determine_locally_known_aggregate_parts.  New parameter
1995         aa_walk_budget_p.
1997 2019-06-13  Martin Sebor  <msebor@redhat.com>
1999         PR tree-optimization/90662
2000         * tree-ssa-strlen.c (get_stridx): Convert fold_build2 operands
2001         to the same type.
2003 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
2005         PR bootstrap/90873
2006         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Also check that
2007         dbase is not TARGET_MEM_REF.
2009 2019-06-13  UroÅ¡ Bizjak  <ubizjak@gmail.com>
2011         * config/i386/i386.md (SWIM1248s): Rename from SWIM1248x.
2012         Update all uses.
2013         (and<mode>3): Use gen_extend_insn instead of indirect functions.
2014         Do not generate DImode extends for 32bit targets.
2015         (and->zext post-reload splitter): Use gen_extend_insn
2016         instead of indirect functions.
2017         (anddi->zext pre-reload splitter): New.
2018         (*zext<mode>_doubleword_and): Remove.
2019         (*zext<mode>_doubleword): Ditto.
2020         (*zextsi_doubleword): Dittto.
2022 2019-06-13  UroÅ¡ Bizjak  <ubizjak@gmail.com>
2024         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
2025         Use gen_sub3_insn instead of indirect function.
2026         (ix86_expand_ashl_const): Use gen_add2_insn instead of
2027         indirect function.
2028         (ix86_adjust_counter): Ditto.
2030 2019-06-13  Jiufu Guo  <guojiufu@linux.ibm.com>
2031             Lijia He  <helijia@linux.ibm.com>
2033         PR tree-optimization/77820
2034         * tree-ssa-threadedge.c
2035         (edge_forwards_cmp_to_conditional_jump_through_empty_bb_p): New
2036         function.
2037         (thread_across_edge): Add call to
2038         edge_forwards_cmp_to_conditional_jump_through_empty_bb_p.
2040 2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>
2042         * config/darwin-driver.c (validate_macosx_version_min): New.
2043         (darwin_default_min_version): Cleanup and validate supplied version.
2044         (darwin_driver_init): Likewise and push cleaned version into opts.
2046 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
2048         PR tree-optimization/90869
2049         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
2050         converts in MEM_REF referencing decl rather than view converts
2051         from decl type to MEM_REF type.
2053 2019-06-13  Richard Biener  <rguenther@suse.de>
2055         PR tree-optimization/90856
2056         * tree-sra.c (build_ref_for_model): Only use
2057         build_reconstructed_reference when address-spaces are the same.
2059 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
2061         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
2062         wrap ei variable name in the declaration in ()s.
2063         (nvptx_single): Actually use mode_label variable.  Formatting fix.
2065 2019-06-13  Richard Biener  <rguenther@suse.de>
2067         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
2068         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
2069         also return the condition stmt.
2070         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
2071         loop we can version and version that, reusing the loop version
2072         created by if-conversion instead of versioning again.
2074 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
2076         * gimple-loop-versioning.cc (prune_loop_conditions): Use
2077         may_contain_p.
2078         * tree-vrp (value_range_base::may_contain_p): Call into
2079         value_inside_range.
2080         (value_inside_range): Make private inside value_range_base class.
2081         Take min/max from *this.
2082         (range_includes_p): Remove.
2083         * tree-vrp.h (value_range_base): Add value_inside_range.
2084         (range_includes_p): Remove.
2085         (range_includes_zero_p): Call may_contain_p.
2086         * vr-values.c (compare_range_with_value): Same.
2088 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
2090         * doc/extend.texi (ARC Function Attributes): Update info.
2092 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
2094         PR tree-optimization/89713
2095         * doc/invoke.texi (-ffinite-loops): Document new option.
2096         * common.opt (-ffinite-loops): New option.
2097         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
2098         IFN_GOACC_LOOP calls as necessary.
2099         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
2100         is finite.
2101         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
2102         IFN_GOACC_LOOP call is not used.
2103         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
2105 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
2107         PR target/88838
2108         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
2109         compare_type is not with Pmode size, we will create an IV with
2110         Pmode size with truncated use (i.e. converted to the correct type).
2111         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
2112         (vect_iv_limit_for_full_masking): New. Factored out of
2113         vect_set_loop_condition_masked.
2114         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
2115         (vect_iv_limit_for_full_masking): Declare.
2117 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
2119         PR target/88834
2120         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
2121         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
2122         (get_alias_ptr_type_for_ptr_address): Likewise.
2123         (add_iv_candidate_for_use): Add scaled index candidate if useful.
2124         * tree-ssa-address.c (preferred_mem_scale_factor): New.
2125         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
2126         allow_reg_index_p.
2128 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
2130         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
2132 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
2134         * common/config/pru/pru-common.c: New file.
2135         * config.gcc: Add PRU target.
2136         * config/pru/alu-zext.md: New file.
2137         * config/pru/constraints.md: New file.
2138         * config/pru/predicates.md: New file.
2139         * config/pru/pru-opts.h: New file.
2140         * config/pru/pru-passes.c: New file.
2141         * config/pru/pru-pragma.c: New file.
2142         * config/pru/pru-protos.h: New file.
2143         * config/pru/pru.c: New file.
2144         * config/pru/pru.h: New file.
2145         * config/pru/pru.md: New file.
2146         * config/pru/pru.opt: New file.
2147         * config/pru/t-pru: New file.
2148         * doc/extend.texi: Document PRU pragmas.
2149         * doc/invoke.texi: Document PRU-specific options.
2150         * doc/md.texi: Document PRU asm constraints.
2152 2019-06-12  Martin Sebor  <msebor@redhat.com>
2154         PR middle-end/90676
2155         * tree-pretty-print.c (dump_mem_ref): New function.  Include
2156         MEM_REF type in output when different size than operand.
2157         (dump_generic_node): Move code to dump_mem_ref and call it.
2159 2019-06-12  Martin Sebor  <msebor@redhat.com>
2161         PR tree-optimization/90662
2162         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
2163         to arrays.
2165 2019-06-12  Tom de Vries  <tdevries@suse.de>
2167         PR tree-optimization/90009
2168         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
2170 2019-06-12  Martin Liska  <mliska@suse.cz>
2172         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
2173         the created map.
2174         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
2175         * mem-stats.h (mem_alloc_description::mem_alloc_description):
2176         Do not sanitize created maps.
2178 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
2180         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
2181         value_range::singleton_p.
2182         * tree-vrp.c (value_range_constant_singleton): Remove.
2183         * tree-vrp.h (value_range_constant_singleton): Remove.
2184         * vr-values.c (vr_values::singleton): Use
2185         value_range::singleton_p.
2187 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
2189         PR target/90811
2190         * cfgexpand.c (align_local_variable): Add really_expand argument,
2191         don't SET_DECL_ALIGN if it is false.
2192         (add_stack_var): Add really_expand argument, pass it through to
2193         align_local_variable.
2194         (expand_one_stack_var_1): Pass true as really_expand to
2195         align_local_variable.
2196         (expand_one_ssa_partition): Pass true as really_expand to
2197         add_stack_var.
2198         (expand_one_var): Pass really_expand through to add_stack_var.
2200 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2202         * config/arm/iterators.md (VABAL): New int iterator.
2203         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
2204         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
2205         values.
2207 2019-06-12  Martin Liska  <mliska@suse.cz>
2209         * value-prof.c (stream_out_histogram_value): Only first value
2210         can't be negative.
2212 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
2214         PR c/90760
2215         * symtab.c (symtab_node::set_section): Allow being called on aliases
2216         as long as they aren't analyzed yet.
2218 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
2220         * config/mips/mips.c (mips_final_postscan_insn): Modify call
2221         to `mips_set_text_contents_type' to indicate whether a
2222         non-debug insn follows.
2224 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
2226         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
2227         enabling -mpcrel by default.
2228         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
2229         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
2230         that the test against -mcpu=future is done first.  Then test if
2231         -mprefixed-addr is on for -mpcrel.
2232         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
2234 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
2236         PR target/90811
2237         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
2238         instead of and.u%d.
2240 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
2242         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
2244 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
2246         PR c++/90449 - add -Winaccessible-base option.
2247         * doc/invoke.texi (Winaccessible-base): Document.
2249 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
2251         PR tree-optimization/62041
2252         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
2254 2019-06-11  Jason Merrill  <jason@redhat.com>
2256         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
2257         * tree.c (get_tree_code_name): Likewise.
2258         * print-tree.c (print_node): Only briefly print a node with an
2259         invalid code.
2261 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
2263         PR bootstrap/90819
2264         * trans-mem.c (tm_memopt_compute_available): Add assertion
2265         that blocks is not empty.  Formatting fix.
2267 2019-06-11  Martin Liska  <mliska@suse.cz>
2269         PR c++/87847
2270         * hash-table.h: Extend create_gcc, add one parameter
2271         that is passed into hash_table::hash_table.
2273 2019-06-10  UroÅ¡ Bizjak  <ubizjak@gmail.com>
2275         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
2276         New prototype.
2277         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
2278         Emit clobber also for non-sse operations.
2279         (ix86_split_fp_absneg_operator): New function.
2280         * config/i386/i386.md (SSEMODEF): New mode iterator.
2281         (ssevecmodef): New mode attribute.
2282         (<code>tf2): Use absneg code iterator.
2283         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
2284         Add three-operand AVX alternatives.
2285         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
2286         Use absneg code iterator and X87MODEF mode iterator.
2287         (absneg fp_reg non-sse splitter): Call absneg code iterator
2288         and X87MODEF mode iterator.
2289         (absneg general_reg non-sse splitter): Use absneg code iterator
2290         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
2291         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
2292         code iterator.  Add three-operand AVX alternative.
2293         (absneg sse_reg splitter): Use absneg code iterator
2294         and SSEMODEF mode iterator.  Handle AVX operands.
2295         (absneg fp_reg splitter): Use absneg code iterator
2296         and MODEF mode iterator.
2297         (absneg general_reg splitter): Merge splitters using MODEF mode
2298         iterator.  Use absneg code iterator.  Call
2299         ix86_split_fp_absneg_operator.
2300         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
2301         Do not enable for non-sse modes before reload.
2302         (CSGNMODE): Remove.
2303         (CSGNVMODE): Ditto.
2304         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
2305         ssevecmodef mode attribute instaed of CSGNVMODE.
2306         (copysign<mode>3_const): Ditto.
2307         (copysign<mode>3_var): Ditto.
2308         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
2309         Use absneg code iterator.  Simplify code using std::swap.
2310         * config/i386/predicates.md (absneg_operator): Remove.
2312 2019-06-10  Martin Sebor  <msebor@redhat.com>
2314         * gimple-fold.c (get_range_strlen): Update comment that didn't
2315         make it into r267503 or related commits.
2317 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
2319         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
2320         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
2322 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
2324         * tree.def (OMP_SCAN): New tree code.
2325         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
2326         OMP_CLAUSE_EXCLUSIVE.
2327         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
2328         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
2329         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
2330         OMP_CLAUSE_{IN,EX}CLUSIVE.
2331         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
2332         * tree-nested.c (convert_nonlocal_reference_stmt,
2333         convert_local_reference_stmt, convert_gimple_call): Handle
2334         GIMPLE_OMP_SCAN.
2335         * tree-pretty-print.c (dump_omp_clause): Handle
2336         OMP_CLAUSE_{IN,EX}CLUSIVE.
2337         (dump_generic_node): Handle OMP_SCAN.
2338         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
2339         * gimple.h (gomp_scan): New type.
2340         (is_a_helper <gomp_scan *>::test,
2341         is_a_helper <const gomp_scan *>::test): New templates.
2342         (gimple_build_omp_scan): Declare.
2343         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
2344         gimple_omp_scan_set_clauses): New inline functions.
2345         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
2346         * gimple.c (gimple_build_omp_scan): New function.
2347         (gimple_copy): Handle GIMPLE_OMP_SCAN.
2348         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
2349         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
2350         GIMPLE_OMP_TASKGROUP.
2351         (dump_gimple_omp_scan): New function.
2352         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
2353         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
2354         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
2355         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
2356         (is_gimple_stmt): Handle OMP_SCAN.
2357         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
2358         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
2359         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
2360         mentioned in nested #pragma omp scan.  Handle
2361         OMP_CLAUSE_{IN,EX}CLUSIVE.
2362         (gimplify_expr): Handle OMP_SCAN.
2363         * omp-low.c (check_omp_nesting_restrictions): For parent context,
2364         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
2365         simd constructs.
2366         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
2367         GIMPLE_OMP_SCAN.
2369 2019-06-10  Martin Liska  <mliska@suse.cz>
2371         * ipa-cp.c (ignore_edge_p): New function.
2372         (build_toporder_info): Use it.
2373         * ipa-inline.c (ignore_edge_p): New function.
2374         (inline_small_functions): Use it.
2375         * ipa-pure-const.c (ignore_edge_for_nothrow):
2376         Verify opt_for_fn for caller and callee.
2377         (ignore_edge_for_pure_const): Likewise.
2378         * ipa-reference.c (ignore_edge_p): Extend to check
2379         for opt_for_fn.
2380         * ipa-utils.c (searchc): Refactor.
2381         * ipa-utils.h: Fix coding style.
2383 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
2385         * config/arc/arc.c (arc_rtx_costs): Update costs.
2387 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
2389         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
2390         (arc_split_ior): Likewise.
2391         (arc_check_mov_const): Likewise.
2392         (arc_split_mov_const): Likewise.
2393         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
2394         (arc_rtx_costs): Replace check Crr with Cax constraint.
2395         (prepare_move_operands): Cleanup, remove unused code.
2396         (arc_split_ior): New function.
2397         (arc_check_ior_const): Likewise.
2398         (arc_split_mov_const): Likewise.
2399         (arc_check_mov_const): Likewise.
2400         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
2401         in define_insn_and_split pattern.
2402         (iorsi3): Likewise.
2403         (mulsi3_v2): Add new matching variant.
2404         (andsi3_i): Cleanup pattern.
2405         (rotrsi3_cnt1): Update pattern.
2406         (rotrsi3_cnt8): New pattern.
2407         (ashlsi2_cnt8): Likewise.
2408         (ashlsi2_cnt16): Likewise.
2409         * config/arc/constraints.md (C0p): Update constraint.
2410         (Crr): Remove it.
2411         (C0x): New pattern.
2412         (Cax): New pattern.
2414 2019-06-10  Martin Liska  <mliska@suse.cz>
2416         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
2417         Update coding style.
2418         (sem_item_optimizer::dump_cong_classes):
2419         Print how many items are in a non-singular class.  Improve
2420         coding style.
2422 2019-06-10  Martin Liska  <mliska@suse.cz>
2424         * value-prof.c (dump_histogram_value): Change dump format.
2425         (gimple_mod_subtract_transform): Remove legacy comment.
2427 2019-06-10  Martin Liska  <mliska@suse.cz>
2429         * value-prof.c (dump_histogram_value): Print histogram values
2430         only if present.
2432 2019-06-10  Martin Liska  <mliska@suse.cz>
2434         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
2435         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
2436         * ipa-profile.c (ipa_profile_generate_summary):
2437         Use get_most_common_single_value.
2438         * tree-profile.c (gimple_init_gcov_profiler):
2439         Instrument with __gcov_one_value_profiler_v2
2440         and __gcov_indirect_call_profiler_v4.
2441         * value-prof.c (dump_histogram_value):
2442         Print all values for HIST_TYPE_SINGLE_VALUE.
2443         (stream_out_histogram_value): Update assert for
2444         N values.
2445         (stream_in_histogram_value): Set number of
2446         counters for HIST_TYPE_SINGLE_VALUE.
2447         (get_most_common_single_value): New.
2448         (gimple_divmod_fixed_value_transform):
2449         Use get_most_common_single_value.
2450         (gimple_ic_transform): Likewise.
2451         (gimple_stringops_transform): Likewise.
2452         (gimple_find_values_to_profile): Set number
2453         of counters for HIST_TYPE_SINGLE_VALUE.
2454         * value-prof.h (get_most_common_single_value):
2455         New.
2457 2019-06-10  Martin Liska  <mliska@suse.cz>
2459         * hash-map.h: Pass default value to hash_table ctor.
2460         * hash-table.h: Add default value to call of a ctor.
2462 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
2464         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
2465         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
2467 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
2469         PR target/90751
2470         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
2471         Call pa_output_function_label.
2472         (TARGET_ASM_FUNCTION_PROLOGUE): define.
2473         * config/pa/pa-protos.h (pa_output_function_label): Declare.
2474         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
2475         to declaration.
2476         (pa_linux_output_function_prologue): Declare.
2477         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
2478         (pa_output_function_label): New.
2479         (pa_output_function_prologue): Revise to use pa_output_function_label.
2480         (pa_linux_output_function_prologue): New.
2481         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
2483 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
2485         * tree-vrp.h (value_range_base::intersect): New.
2486         (value_range::intersect_helper): Move from here...
2487         (value_range_base::intersect_helper): ...to here.
2488         * tree-vrp.c (value_range::intersect_helper): Rename to...
2489         (value_range_base::intersect_helper): ...this, and rewrite to
2490         return a value instead of modifying THIS in place.
2491         Also, move equivalence handling...
2492         (value_range::intersect): ...here, while calling intersect_helper.
2493         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
2494         calling intersect.
2495         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
2496         Same.
2497         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
2499 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
2501         * Makefile.in (genprogerr): Add condmd.
2502         (genprog): Remove it here.
2504 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
2506         * doc/invoke.texi (AMD GCN Options): Add gfx906.
2508 2019-06-07  Richard Biener  <rguenther@suse.de>
2510         PR debug/90574
2511         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
2512         that appear after user labels.
2514 2019-06-07  Martin Liska  <mliska@suse.cz>
2516         * cselib.c (cselib_init): Disable hash table
2517         sanitization.
2518         * hash-set.h: Pass new default argument to m_table.
2519         * hash-table.c: Add global variable with hash table
2520         sanitization limit.
2521         * hash-table.h (Allocator>::hash_table): Add new argument
2522         to ctor.
2523         (hashtab_chk_error): New.
2524         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
2525         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
2526         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
2528 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
2530         * common.opt (flto-odr-type-merging): Ignore.
2531         * invoke.texi (-flto-odr-type-merging): Remove.
2532         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
2533         (can_be_vtable_hashed_p): Remove.
2534         (hash_odr_vtable): Remove.
2535         (odr_vtable_hasher::hash): Remove.
2536         (types_same_for_odr): Remove.
2537         (types_odr_comparable): Remove.
2538         (odr_vtable_hasher::equal): Remove.
2539         (odr_vtable_hash_type, odr_vtable_hash): Remove.        
2540         (add_type_duplicate): Do not synchronize vtable and name hashtables.
2541         (get_odr_type): Do not use vtable hash.
2542         (dump_odr_type): Remove commented out code.
2543         (build_type_inheritance_graph): Do not allocate vtable hash.
2544         (rebuild_type_inheritance_graph): Do not delete vtable hash.
2545         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
2546         (odr_type_p): Likewise.
2547         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
2548         test.
2550 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
2552         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
2553         immediately after same_types_for_tbaa_p returns -1 and continue
2554         looking for possible exact match; if matching types are arrays
2555         watch for partial overlaps.
2556         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
2557         (indirect_refs_may_alias_p): Do type based disambiguation first;
2558         update comment.
2560 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
2562         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
2564 2019-06-07  Martin Liska  <mliska@suse.cz>
2566         * doc/invoke.texi: Remove param.
2567         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
2568         Remove.
2569         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
2570         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
2571         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
2572         * profile.c (instrument_values): Remove
2573         HIST_TYPE_INDIR_CALL_TOPN.
2574         * tree-profile.c (init_ic_make_global_vars):
2575         Always build __gcov_indirect_call only.
2576         (gimple_init_gcov_profiler): Remove usage
2577         of PARAM_INDIR_CALL_TOPN_PROFILE.
2578         (gimple_gen_ic_profiler): Likewise.
2579         * value-prof.c (dump_histogram_value): Likewise.
2580         (stream_in_histogram_value): Likewise.
2581         (gimple_indirect_call_to_profile): Likewise.
2582         (gimple_find_values_to_profile): Likewise.
2583         * value-prof.h (enum hist_type): Likewise.
2585 2019-06-07  Martin Liska  <mliska@suse.cz>
2587         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
2588         function.
2590 2019-06-07  Martin Liska  <mliska@suse.cz>
2592         PR tree-optimization/78902
2593         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
2594         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
2595         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
2596         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
2597         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
2598         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
2599         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
2600         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
2601         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
2602         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
2603         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
2604         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
2605         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
2606         New.
2607         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
2608         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
2609         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
2610         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
2611         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
2612         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
2613         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
2614         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
2615         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
2616         warn_unused_result attribute.
2617         (BUILT_IN_STRDUP): Likewise.
2618         (BUILT_IN_STRNDUP): Likewise.
2619         (BUILT_IN_ALLOCA): Likewise.
2620         (BUILT_IN_CALLOC): Likewise.
2621         (BUILT_IN_MALLOC): Likewise.
2622         (BUILT_IN_REALLOC): Likewise.
2624 2019-06-06  Jim Wilson  <jimw@sifive.com>
2626         PR target/89955
2627         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
2628         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
2629         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
2631 2019-06-06  Martin Sebor  <msebor@redhat.com>
2633         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
2634         (handle_builtin_malloc): Remove trailing spaces.
2635         (handle_builtin_memset): Same.
2636         (handle_builtin_memcmp): Same.
2637         (compute_string_length): Same.
2638         (determine_min_objsize): Same.
2639         (handle_builtin_string_cmp): Same.
2640         (handle_char_store): Same.  Break up excessively long line.
2642 2019-06-06  Martin Jambor  <mjambor@suse.cz>
2644         * tree-sra.c (build_reconstructed_reference): Drop the alignment
2645         check.
2647 2019-06-06  Martin Jambor  <mjambor@suse.cz>
2649         * tree-sra.c (struct access): New field grp_same_access_path.
2650         (dump_access): Dump it.
2651         (build_reconstructed_reference): New function.
2652         (build_ref_for_model): Use it if possible.
2653         (path_comparable_for_same_access): New function.
2654         (same_access_path_p): Likewise.
2655         (sort_and_splice_var_accesses): Set the new flag.
2656         (analyze_access_subtree): Likewise.
2657         (propagate_subaccesses_across_link): Propagate zero value of the new
2658         flag down the access tree.
2660 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
2662         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
2663         * config/gcn/gcn.opt (gpu_type): Add gfx906.
2664         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
2665         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
2666         Add gfx906.
2668 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2670         PR tree-optimization/90332
2671         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
2672         Handle VALS containing two vectors.
2673         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
2674         to...
2675         (@aarch64_combinez<mode>): ... This.
2676         (*aarch64_combinez_be<mode>): Rename to...
2677         (@aarch64_combinez_be<mode>): ... This.
2678         (vec_init<mode><Vhalf>): New define_expand.
2679         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
2681 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
2683         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
2684         library functions only when not optimizing for size.
2685         (ashlsi3): Likewise.
2686         (ashrhi3): Likewise.
2687         (ashrsi3): Likewise.
2688         (lshrhi3): Likewise.
2689         (lshrsi3): Likewise.
2691 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
2693         PR rtl-optimization/88751
2694         * ira.c (ira): Use the number of the actually referenced registers
2695         when calculating the threshold.
2697 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
2699         * configure: Regenerate.
2701 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
2703         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
2704         register if it is in memory, so the shift can be emulated with a rotate
2705         instruction.
2706         (ashrhi3): Likewise.
2707         (lshrhi3): Likewise.
2709 2019-06-06  Martin Liska  <mliska@suse.cz>
2711         PR tree-optimization/87954
2712         * match.pd: Simplify mult where both arguments are 0 or 1.
2714 2019-06-06  Richard Biener  <rguenther@suse.de>
2716         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
2717         put equivalences on UNDEFINED ranges.
2718         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
2719         Make sure to drop defs of stmts added during simplification
2720         to VARYING.
2722 2019-06-06  Richard Biener  <rguenther@suse.de>
2724         * tree-ssa-structalias.c: Include tree-cfg.h.
2725         (make_heapvar): Do not make heap vars artificial.
2726         (find_func_aliases_for_builtin_call): Handle stack allocation
2727         functions.
2728         (find_func_aliases): Delay processing of simple enough returns
2729         in non-IPA mode.
2730         (set_uids_in_ptset): Adjust.
2731         (find_what_var_points_to): Likewise.
2732         (solve_constraints): Do not dump points-to sets here.
2733         (compute_points_to_sets): Post-process return statements,
2734         amending the escaped solution.  Dump points-to sets afterwards.
2735         (ipa_pta_execute): Dump points-to sets.
2737 2019-06-06  Martin Liska  <mliska@suse.cz>
2739         PR web/87933
2740         * doc/install.texi: Fix HTML headers and
2741         titles for 'Installing GCC' pages.
2743 2019-06-06  Martin Liska  <mliska@suse.cz>
2745         * ipa-icf-gimple.h (dump_message_1): Remove.
2746         (dump_message): Likewise.
2747         (return_false_with_message_1): Print also file.
2748         (return_false_with_msg): Likewise.
2749         (return_with_result): Likewise.
2750         (return_with_debug): Likewise.
2751         * ipa-icf.c (sem_function::equals_private): Remove call
2752         to dump_message.
2754 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
2756         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
2757         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
2758         memory operand for it.
2759         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
2761 2019-06-05  Martin Sebor  <msebor@redhat.com>
2763         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
2764         Adjust quoting and hyphenation.
2765         * convert.c (convert_to_real_1): Same.
2766         * gcc.c (driver_wrong_lang_callback): Same.
2767         (driver::handle_unrecognized_options): Same.
2768         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
2769         * opts-common.c (cmdline_handle_error): Same.
2770         (read_cmdline_option): Same.
2771         * opts-global.c (complain_wrong_lang): Same.
2772         (print_ignored_options): Same.
2773         (handle_common_deferred_options): Same.
2774         * pretty-print.h: Same.
2775         * print-rtl.c (debug_bb_n_slim): Same.
2776         * sched-rgn.c (make_pass_sched_fusion): Same.
2777         * tree-cfg.c (verify_gimple_assign_unary): Same.
2778         (verify_gimple_label): Same.
2779         * tree-ssa-operands.c (verify_ssa_operands): Same.
2780         * varasm.c (do_assemble_alias): Same.
2781         (assemble_alias): Same.
2783 2019-06-05  Richard Henderson  <rth@twiddle.net>
2785         * config/alpha/alpha.c (direct_return): Move down after
2786         struct machine_function definition; use saved frame_size;
2787         return bool.
2788         (struct machine_function): Add sa_mask, sa_size, frame_size.
2789         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
2790         (alpha_compute_frame_layout): ... new function.
2791         (TARGET_COMPUTE_FRAME_LAYOUT): New.
2792         (alpha_initial_elimination_offset): Use saved sa_size.
2793         (alpha_vms_initial_elimination_offset): Likewise.
2794         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
2795         (alpha_expand_prologue): Use saved frame data.  Merge integer
2796         and fp register save loops.
2797         (alpha_expand_epilogue): Likewise.
2798         (alpha_start_function): Use saved frame data.
2799         * config/alpha/alpha-protos.h (direct_return): Update.
2800         (alpha_sa_size): Remove.
2802 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
2804         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
2805         multiplication by a power-of-two value.
2806         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
2807         and turn the modulo operation into a masking operation.
2809 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
2811         PR debug/90733
2812         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
2813         with VOIDmode inner operands.
2815 2019-06-05  Richard Biener  <rguenther@suse.de>
2817         PR middle-end/90726
2818         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2819         turn an expression graph into a tree.
2821 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
2823         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
2824         member.
2825         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
2826         treat it like explicit monotonic schedule modifier.
2827         (expand_omp_for): Initialize has_lastprivate_conditional.
2828         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
2829         schedule modifier.
2831         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
2832         references, lookup in in hash map MEM_REF operand instead of the
2833         MEM_REF itself.
2834         (lower_omp_1): When looking for lastprivate conditional assignments,
2835         handle MEM_REFs with REFERENCE_TYPE operands.
2837         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
2838         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
2839         and references a VLA.  Handle references to non-VLAs if is_simd
2840         all privatization clauses like reductions.
2841         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
2842         If omp_is_reference, use always omp simd arrays and set
2843         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
2844         fails, emit reference initialization.
2846 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
2848         PR target/89803
2849         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
2850         _mm_mask_fpclass_sd_mask): New intrinsics.
2851         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
2852         * config/i386/i386-builtin.def
2853         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
2854         New builtins.
2855         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
2856         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
2857         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
2858         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
2859         case QI_FTYPE_V2SF_INT): Ditto.
2860         * config/i386/sse.md
2861         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
2862         Extended to insnstructions with mask operands.
2864 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2866         * config/rs6000/constraints.md (define_register_constraint "wp"):
2867         Delete.
2868         (define_register_constraint "wq"): Delete.
2869         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2870         (rs6000_init_hard_regno_mode_ok): Adjust.
2871         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2872         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
2873         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
2874         (define_mode_attr VSa): Delete.
2875         (define_mode_attr VSisa): New.
2876         (rest of file): Adjust.
2877         * doc/md.texi (Machine Constraints): Adjust.
2879 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2881         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
2882         (define_attr "enabled"): Handle those new isa values.
2884 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2886         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
2887         (define_mode_attr VSr5): Delete.
2888         (define_mode_attr VStype_sqrt): Delete.
2889         (define_mode_iterator VSX_SPDP): Delete.
2890         (define_mode_attr VS_spdp_res): Delete.
2891         (define_mode_attr VS_spdp_insn): Delete.
2892         (define_mode_attr VS_spdp_type): Delete.
2893         (*vsx_sqrt<mode>2): Adjust.
2894         (vsx_<VS_spdp_insn>): Delete, split to...
2895         (vsx_xscvdpsp): ... this.  New.  And...
2896         (vsx_xvcvspdp): ... this.  New.  And...
2897         (vsx_xvcvdpsp): ... this.  New.
2899 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2901         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
2902         and V2DF.
2903         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
2904         (rest of file): Adjust.
2906 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2908         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
2909         (vsx_extract_<mode>_var): Ditto.
2911 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2913         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
2914         with just "wa".
2916 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2918         * config/rs6000/constraints.md (define_register_constraint "ww"):
2919         Delete.
2920         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2921         (rs6000_init_hard_regno_mode_ok): Adjust.
2922         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2923         RS6000_CONSTRAINT_ww.
2924         * config/rs6000/rs6000.md: Adjust.
2925         * config/rs6000/vsx.md: Adjust.
2926         * doc/md.texi (Machine Constraints): Adjust.
2928 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2930         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
2931         (define_mode_attr sd): New.
2932         (define_mode_attr s): New.
2933         (define_mode_attr Ftrad): Delete.
2934         (define_mode_attr Fvsx): Delete.
2935         (define_mode_attr Fs): Delete.
2936         (rest of file): Use the new mode attributes.
2937         * config.rs6000/vsx.md: Use the new mode attributes.
2939 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2941         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
2942         with just "wa".
2944 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2946         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
2947         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
2948         used with VSX_B, VSX_D, or VSX_F, with just "wa".
2950 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
2952         PR target/78263
2953         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
2954         C++ with strict ANSI requirements.
2956 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
2958         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
2959         computations when step is 1.
2961 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2963         * config/rs6000/constraints.md (define_register_constraint "wf"):
2964         Delete.
2965         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2966         (rs6000_init_hard_regno_mode_ok): Adjust.
2967         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2968         RS6000_CONSTRAINT_wf.
2969         * config/rs6000/rs6000.md: Adjust.
2970         * config/rs6000/vsx.md: Adjust.
2971         * doc/md.texi (Machine Constraints): Adjust.
2973 2019-06-04  Andrew Pinski  <apinski@marvell.com>
2975         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
2976         Fix ILP32 value.
2978 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2980         * config/rs6000/constraints.md (define_register_constraint "wd"):
2981         Delete.
2982         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2983         (rs6000_init_hard_regno_mode_ok): Adjust.
2984         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2985         RS6000_CONSTRAINT_wd.
2986         * config/rs6000/rs6000.md: Adjust.
2987         * config/rs6000/vsx.md: Adjust.
2988         * doc/md.texi (Machine Constraints): Adjust.
2990 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2992         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
2993         (rest of file): Adjust.
2995 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2997         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
2998         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
2999         (vsx_splat_<mode>_reg): Adjust.
3001 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3003         * config/rs6000/constraints.md (define_register_constraint "ws"):
3004         Delete.
3005         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3006         (rs6000_init_hard_regno_mode_ok): Adjust.
3007         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3008         RS6000_CONSTRAINT_ws.
3009         * config/rs6000/rs6000.md: Adjust.
3010         * config/rs6000/vsx.md: Adjust.
3011         * doc/md.texi (Machine Constraints): Adjust.
3013 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3015         * config/rs6000/constraints.md (define_register_constraint "wv"):
3016         Delete.
3017         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3018         (rs6000_init_hard_regno_mode_ok): Adjust.
3019         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3020         RS6000_CONSTRAINT_wv.
3021         * config/rs6000/rs6000.md: Adjust.
3022         * config/rs6000/vsx.md: Adjust.
3023         * doc/md.texi (Machine Constraints): Adjust.
3025 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3027         * config/rs6000/constraints.md (define_register_constraint "wi"):
3028         Delete.
3029         (define_register_constraint "wt"): Delete.
3030         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3031         (rs6000_init_hard_regno_mode_ok): Adjust.
3032         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3033         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
3034         * config/rs6000/rs6000.md: Adjust.
3035         * config/rs6000/vsx.md: Adjust.
3036         * doc/md.texi (Machine Constraints): Adjust.
3038 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
3040         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
3041         const.
3042         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
3043         default_elf_asm_output_external.
3045 2019-06-04  Martin Liska  <mliska@suse.cz>
3047         * ipa-icf.c (INCLUDE_LIST): Remove.
3048         (sem_item_optimizer::execute): Remove call to init_wpa.
3049         * ipa-icf.h (init_wpa): Remove.
3051 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
3053         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
3054         conditional on combined for simd.
3055         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
3056         member.
3057         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
3058         constructs, don't remove lastprivate_conditional_map, but instead set
3059         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
3060         to parent construct temporaries.
3061         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
3062         like !ctx->lastprivate_conditional_map.
3063         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
3064         use up->outer context instead of up.
3065         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
3066         gimple_omp_for_combined_p.
3067         (expand_omp_for_static_nochunk): Likewise.
3068         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
3069         probably moved over into expand_omp_for_generic rather than being copied
3070         there.
3072 2019-06-04  Martin Liska  <mliska@suse.cz>
3074         * value-prof.c (dump_histogram_value): Fix typo.
3075         (gimple_mod_subtract_transform): Likewise.
3077 2019-06-04  Richard Biener  <rguenther@suse.de>
3079         PR middle-end/90726
3080         * tree-chrec.c (chrec_contains_symbols): Add to visited.
3081         (tree_contains_chrecs): Likewise.
3082         (chrec_contains_symbols_defined_in_loop): Move here and avoid
3083         exponential behaivor from ...
3084         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3085         ... here.
3086         (expression_expensive_p): Avoid exponential behavior and compute
3087         expanded size, rejecting any expansion.
3088         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
3089         (idx_contains_abnormal_ssa_name_p): Likewise.
3090         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
3091         (contains_abnormal_ssa_name_p): Simplify and use
3092         walk_tree_without_duplicates.
3094 2019-06-04  Richard Biener  <rguenther@suse.de>
3096         PR tree-optimization/90738
3097         Revert
3098         2019-06-03  Richard Biener  <rguenther@suse.de>
3100         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
3101         full reference tree and record in ref->ref.
3102         (vn_reference_lookup_3): Pass in original ref to
3103         ao_ref_init_from_vn_reference.
3104         (vn_reference_lookup): Likewise.
3105         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
3106         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
3107         Handle non-decl bases in the original reference.
3109 2019-06-04  Martin Liska  <mliska@suse.cz>
3111         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
3112         number of references.
3113         (sem_item_optimizer::do_congruence_step):
3114         (sem_item_optimizer::worklist_push): Dump how references
3115         a class has.
3116         (sem_item_optimizer::worklist_pop): Use heap.
3117         (sem_item_optimizer::process_cong_reduction): Likewise.
3118         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
3120 2019-06-04  Martin Liska  <mliska@suse.cz>
3122         * ipa-icf.h (struct sem_usage_pair_hash): New.
3123         (sem_usage_pair_hash::hash): Likewise.
3124         (sem_usage_pair_hash::equal): Likewise.
3125         (struct sem_usage_hash): Likewise.
3126         * ipa-icf.c (sem_item::sem_item): Initialize
3127         referenced_by_count.
3128         (sem_item::add_reference): Register a reference
3129         in ref_map and not in target->usages.
3130         (sem_item::setup): Remove initialization of
3131         dead vectors.
3132         (sem_item::~sem_item): Remove usage of dead vectors.
3133         (sem_item::dump): Remove dump of references.
3134         (sem_item_optimizer::sem_item_optimizer): Initialize
3135         m_references.
3136         (sem_item_optimizer::read_section): Remove useless
3137         dump.
3138         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
3139         (sem_item_optimizer::build_graph): Pass m_references
3140         to ::add_reference.
3141         (sem_item_optimizer::verify_classes): Remove usage of dead
3142         vectors.
3143         (sem_item_optimizer::traverse_congruence_split): Return true
3144         when a class is split.
3145         (sem_item_optimizer::do_congruence_step_for_index): Use
3146         hash_map for look up of (sem_item *, index). That brings
3147         significant speed up.
3148         (sem_item_optimizer::do_congruence_step): Return true
3149         when a split is done.
3150         (congruence_class::is_class_used): Use referenced_by_count.
3152 2019-06-04  Alan Modra  <amodra@gmail.com>
3154         PR target/90689
3155         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
3156         error.
3158 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
3160         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
3161         * config/rs6000/rs6000.c (direct_move_p): Adjust.
3162         (rs6000_secondary_reload_simple_move): Adjust.
3163         (rs6000_opt_masks): Neuter the "mfpgpr" option.
3164         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
3165         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
3166         comment.
3167         (power6x): Adjust.
3168         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
3169         (floatunssi<mode>2_lfiwzx): Adjust.
3170         (fix_trunc<mode>si2_stfiwx): Adjust.
3171         (fixuns_trunc<mode>si2_stfiwx): Adjust.
3172         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
3173         (mfpgpr): Mark as deprecated.
3174         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
3175         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
3176         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
3178 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
3180         * config/rs6000/constraints.md (define_register_constraint "wg"):
3181         Delete.
3182         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3183         RS6000_CONSTRAINT_wg.
3184         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3185         (rs6000_init_hard_regno_mode_ok): Adjust.
3186         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
3187         Delete "wg" alternatives.
3188         * doc/md.texi (Machine Constraints): Adjust.
3190 2019-06-03  Alan Modra  <amodra@gmail.com>
3192         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
3193         (get_uncond_jump_length): Assert length less than INT_MAX and
3194         non-negative.
3196 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
3198         PR middle-end/64242
3199         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
3200         block.
3201         (expand_builtin_nonlocal_goto): Likewise.
3203 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
3205         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
3206         (aarch64_asm_output_external): Declare.
3207         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
3208         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
3209         (aarch64_asm_output_alias): New.
3210         (aarch64_asm_output_external): New.
3211         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
3212         (ASM_OUTPUT_EXTERNAL): Define.
3214 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
3215         * tree-vrp.h (value_range_base::nonzero_p): New.
3216         (value_range_base::set_nonnull): Rename to...
3217         (value_range_base::set_nonzero): ...this.
3218         (value_range_base::set_null): Rename to...
3219         (value_range_base::set_zero): ...this.
3220         (value_range::set_nonnull): Remove.
3221         (value_range::set_null): Remove.
3222         * tree-vrp.c (range_is_null): Remove.
3223         (range_is_nonnull): Remove.
3224         (extract_range_from_binary_expr): Use value_range_base::*zero_p
3225         instead of range_is_*null.
3226         (extract_range_from_unary_expr): Same.
3227         (value_range_base::set_nonnull): Rename to...
3228         (value_range_base::set_nonzero): ...this.
3229         (value_range::set_nonnull): Remove.
3230         (value_range_base::set_null): Rename to...
3231         (value_range_base::set_zero): ...this.
3232         (value_range::set_null): Remove.
3233         (extract_range_from_binary_expr): Rename set_*null uses to
3234         set_*zero.
3235         (extract_range_from_unary_expr): Same.
3236         (union_helper): Same.
3237         * vr-values.c (get_value_range): Use set_*zero instead of
3238         set_*null.
3239         (vr_values::extract_range_from_binary_expr): Same.
3240         (vr_values::extract_range_basic): Same.
3242 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
3244         PR driver/90684
3245         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
3247 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3249         * config/aarch64/iterators.md (MAX_OPP): New code attr.
3250         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
3251         (aarch64_<su>abd<mode>_3): ... This.
3252         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
3254 2019-06-03  Richard Biener  <rguenther@suse.de>
3256         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
3257         full reference tree and record in ref->ref.
3258         (vn_reference_lookup_3): Pass in original ref to
3259         ao_ref_init_from_vn_reference.
3260         (vn_reference_lookup): Likewise.
3261         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
3262         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
3263         Handle non-decl bases in the original reference.
3265 2019-06-03  Martin Liska  <mliska@suse.cz>
3267         * doc/generic.texi: Remove Java Trees.
3269 2019-06-03  Martin Liska  <mliska@suse.cz>
3271         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
3272         returns 0 when operands are equal.
3274 2019-06-03  Richard Biener  <rguenther@suse.de>
3276         PR tree-optimization/90716
3277         * tree-loop-distribution.c (destroy_loop): Process blocks in
3278         correct order.
3280 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3282         PR target/88837
3283         * vector-builder.h (vector_builder::count_dups): New method.
3284         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
3285         Declare prototype.
3286         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
3287         (vec_init<mode><Vel>): New pattern.
3288         * config/aarch64/aarch64.c (emit_insr): New function.
3289         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
3290         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
3291         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
3292         (aarch64_sve_expand_vector_init): Define two overloaded functions.
3294 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3296         PR tree-optimization/90681
3297         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
3298         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
3299         special case for SLP, but fail on non-groupped loads.
3301 2019-06-03  Martin Liska  <mliska@suse.cz>
3303         * cfg.c (debug): Use TDF_DETAILS for debug and
3304         print edge info only once.
3306 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
3308         PR fortran/90539
3309         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
3311 2019-06-01  Martin Sebor  <msebor@redhat.com>
3313         PR middle-end/90694
3314         * tree-pretty-print.c (dump_generic_node): Add parentheses.
3316 2019-05-31  Jan Hubicka  <jh@suse.cz>
3318         * alias.c: Include ipa-utils.h.
3319         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
3320         * ipa-devirt.c (prevailing_odr_type): New.
3321         * ipa-utils.h (previaling_odr_type): Declare.
3323 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
3324             Hongtao Liu  <hongtao.liu@intel.com>
3326         PR target/89355
3327         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
3328         NOTE_INSN_DELETED_LABEL check.
3330 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
3331             Robert Suchanek  <robert.suchanek@mips.com>
3333         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
3334         and 3rd operands of the fmadd/fmsub/maddv builtin.
3336 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
3338         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
3339         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
3340         on OMP_SIMD if not nested inside of worksharing loop that also has
3341         lastprivate conditional clause for the same decl.
3342         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
3343         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
3344         on simd.
3345         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
3346         on simd construct.
3347         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
3348         on simd construct.
3349         (lower_lastprivate_clauses): Likewise.
3350         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
3351         calling lower_rec_input_clauses.
3352         (lower_omp_for): Likewise.
3353         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
3354         clause on simd construct.
3355         * omp-expand.c (expand_omp_simd): Initialize cond_var if
3356         OMP_CLAUSE__CONDTEMP_ clause is present.
3358         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
3359         ivar and lvar.
3361 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
3363         PR c/43673
3364         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
3365         TEX_D32, TEX_D64 or TEX_D128.
3367 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
3369         * match.pd (~(vec?cst1:cst2)): New transformation.
3371 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
3373         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
3374         ((size_t)(A /[ex] B) CMP C): New transformation.
3376 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
3378         * doc/md.texi: Document define_insn_and_rewrite.
3379         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
3380         * gensupport.c (queue_elem): Update comment.
3381         (replace_operands_with_dups): New function.
3382         (gen_rewrite_sequence): Likewise.
3383         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
3384         * read-rtl.c (apply_subst_iterator): Likewise.
3385         (add_condition_to_rtx, named_rtx_p): Likewise.
3386         (rtx_reader::read_rtx_operand): Likewise.
3387         * config/aarch64/aarch64-sve.md
3388         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
3389         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
3390         define_insn_and_rewrite.
3391         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
3392         Remove separate define_split.
3394 2019-05-31  Jan Hubicka  <jh@suse.cz>
3396         * tree-ssa-alias.c (type_has_components_p): New function.
3397         (aliasing_component_refs_p): Use it.
3399 2019-05-31  Martin Liska  <mliska@suse.cz>
3401         * gdbhooks.py: Add const_tree to TreePrinter.
3403 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
3405         PR debug/86964
3406         * common.opt (feliminate-unused-debug-symbols): Enable by default.
3407         * doc/invoke.texi (Debugging Options): Document new default of
3408         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
3410 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
3412         PR tree-optimization/90671
3413         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
3414         template_block used to be empty on the first call, don't use
3415         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
3416         seq with bb_seq and set it with set_bb_seq.
3418 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
3420         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
3422 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
3423             Michael Meissner  <meissner@linux.ibm.com>
3425         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
3426         (prefixed_mem_operand): Likewise.
3427         (non_prefixed_mem_operand): Likewise.
3428         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
3429         prototype.
3430         * config/rs6000/rs6000.c (print_operand_address): Handle
3431         PC-relative addresses.
3432         (mode_supports_prefixed_address_p): New function.
3433         (rs6000_prefixed_address): New function.
3434         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
3435         (SYMBOL_REF_PCREL_P): Likewise.
3437 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
3439         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
3440         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
3441         (gimplify_omp_for): If worksharing loop with lastprivate conditional
3442         is nested inside of parallel region, add _condtemp_ clause to both.
3443         * tree-nested.c (convert_nonlocal_omp_clauses,
3444         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
3445         assertion failure.
3446         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
3447         member.
3448         * omp-general.c (omp_extract_for_data): Compute it.
3449         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
3450         (lower_rec_input_clauses): Likewise.
3451         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
3452         clause is already present, just add one further one after it.
3453         (lower_lastprivate_clauses): Handle cond_ptr with array type.
3454         (lower_send_shared_vars): Clear _condtemp_ vars.
3455         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
3456         or section or taskgroup.
3457         * omp-expand.c (determine_parallel_type): Disallow combining only if
3458         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
3459         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
3460         (expand_omp_for_generic, expand_omp_for_static_nochunk,
3461         expand_omp_for_static_chunk, expand_omp_for): Use
3462         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
3463         determine if a special set of API routines are needed and if condtemp
3464         needs to be initialized, while always initialize cond_var if
3465         fd->lastprivate_conditional is non-zero.
3467 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
3468             Michael Meissner  <meissner@linux.ibm.com>
3470         * config/rs6000/constraints.md (eI): New constraint.
3471         * config/rs6000/predicates.md (cint34_operand): New predicate.
3472         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
3473         (SIGNED_34BIT_OFFSET_P): Likewise.
3474         * doc/md.texi (eI): Document constraint.
3476 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
3478         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
3480 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
3481             Michael Meissner  <meissner@linux.ibm.com>
3483         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
3484         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
3485         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
3486         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
3487         (OTHER_FUTURE_MASKS): Likewise.
3488         (POWERPC_MASKS): Likewise.
3489         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
3490         specified without -mprefixed-addr or -mcpu=future.  Error if
3491         -mprefixed-addr is specified without -mcpu=future.
3492         (rs6000_opt_masks): Add entry for prefixed-addr.
3493         * rs6000.opt (mprefixed-addr): New option.
3495 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
3497         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add 
3498         cfun->is_thunk check.
3500 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
3502         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
3503         to length.
3505 2019-05-30  Martin Liska  <mliska@suse.cz>
3507         * gdbinit.in: Fix 'ptc' command.  Add trt
3508         that prints TREE_TYPE($).
3510 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
3511             Alan Modra  <amodra@gmail.com>
3513         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
3514         calls here...
3515         (rs6000_indirect_call_template_1): ...and here.
3516         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
3517         plt16_ha, plt16_lo, mtctr indirect calls.  Use
3518         rs6000_pltseq_enum.
3519         (rs6000_decl_ok_for_sibcall): New function.
3520         (rs6000_function_ok_for_sibcall): Refactor.
3521         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
3522         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
3523         when pcrel.  Reorganize.
3524         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
3525         * rs6000.h (rs6000_pltseq_enum): New enum.
3526         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
3527         (*pltseq_tocsave): Use rs6000_pltseq_enum.
3528         (*pltseq_plt16_ha): Likewise.
3529         (*pltseq_plt16_lo): Likewise.
3530         (*pltseq_mtctr): Likewise.
3531         (*pltseq_plt_pcrel): New insn.
3532         (*call_local_aix): Handle @notoc calls.
3533         (*call_value_local_aix): Likewise.
3534         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
3535         (*call_value_nonlocal_aix): Likewise.
3536         (*call_indirect_pcrel): New insn.
3537         (*call_value_indirect_pcrel): Likewise.
3540 2019-05-29  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3542         * config/i386/sse.md (*save_multiple<mode>): Rename from
3543         save_multiple<mode>.
3544         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
3545         (*restore_multiple_and_return<mode>): Rename from
3546         restore_multiple_and_return<mode>.
3547         (*restore_multiple_leave_return<mode>): Rename from
3548         restore_multiple_leave_return<mode>.
3550 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
3552         * config.gcc (rx-*-linux*): New target.
3553         * config/rx/elf.opt: New file.
3554         * config/rx/linux.h: Likewise.
3555         * config/rx/t-linux: Likewise.
3556         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
3557         make it zero.
3558         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
3559         (ASM_APP_OFF): Likewise.
3560         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
3561         moved elsewhere.
3563 2019-05-29  Jan Hubicka  <jh@suse.cz>
3565         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
3566         variants are pointer equivalent.
3568 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3570         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
3571         * config/aarch64/aarch64-sve2.md: New file.
3572         (<u>avg<mode>3_floor): New pattern.
3573         (<u>avg<mode>3_ceil): Likewise.
3574         (*<sur>h<addsub><mode>): Likewise.
3575         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
3576         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
3578 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
3580         PR bootstrap/90543
3581         * optc-save-gen.awk: In cl_optimization_print, use correct condition
3582         for var_opt_string printing.  In cl_optimization_print_diff, print
3583         (null) instead of invoking undefined behavior if one of the
3584         var_opt_string pointers is NULL and use && instead of first || in the
3585         guarding condition.  For var_target_other options, handle const char *
3586         target variables similarly to const char * optimize node variables.
3588 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
3590         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
3591         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
3592         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
3593         Add autib1716 and pacib1716 initialisation.
3594         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
3595         for autib1716 and pacib1716.
3596         * config/aarch64/aarch64-protos.h (aarch64_key_type,
3597         aarch64_post_cfi_startproc): Define.
3598         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
3599         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
3600         aarch64_handle_pac_ret_protection): Set default sign key to A.
3601         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
3602         aarch64_expand_prologue): Add check for b-key.
3603         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
3604         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
3605         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
3606         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
3607         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
3608         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
3609         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
3610         * config/aarch64/aarch64.md (do_return): Add check for b-key.
3611         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
3612         pauth_hint_num_a with pauth_hint_num.
3613         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
3614         pauth_hint_num_a with pauth_hint_num.
3615         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
3616         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
3617         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
3618         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
3619         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
3620         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
3621         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
3622         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
3623         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
3624         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
3625         UNSPEC_AUTIA1716 respectively.
3626         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
3627         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
3628         * doc/invoke.texi (-mbranch-protection): Add b-key type.
3629         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
3630         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
3632 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
3634         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
3635         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
3636         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
3637         explicit clause on combined parallel into implicit shared clause.
3638         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
3639         and firstprivate if the decl has one too from combined parallel to
3640         the worksharing construct.
3642 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
3643             Michael Meissner  <meissner@linux.ibm.com>
3645         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
3647 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
3649         * rtl.h (LABEL_REF_P): New #define.
3651 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
3653         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
3655 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3657         * internal-fn.c: Marked mask_load_direct as vectorizable.
3658         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
3659         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
3660         combined even if masks different with allow_slp_p param.
3661         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
3662         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
3663         dissolve SLP-only vectorizable groups when SLP has been discarded.
3664         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
3665         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
3666         masks.
3667         (vect_build_slp_tree_1): Fixed comment typo.
3668         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
3669         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
3670         loads for SLP only.
3671         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
3672         vectorizable.
3673         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
3675 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3677         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
3678         Remove obsolete use_thunk reference.
3679         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
3680         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
3681         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
3682         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
3683         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3684         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3685         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3686         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
3687         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
3689 2019-05-28  Nathan Sidwell  <nathan@acm.org>
3691         * tree.h (IDENTIFIER_ANON_P): New.
3692         (anon_aggrname_format, anon_aggname_p): Don't declare.
3693         (make_anon_name): Declare.
3694         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
3695         (hash_tree): Likewise.
3696         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
3697         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
3698         (anon_cnt, make_anon_name): New.
3700 2019-05-28  Martin Liska  <mliska@suse.cz>
3702         PR other/90315
3703         * opts-global.c (decode_options): Print help for all
3704         help_option_arguments.
3705         * opts.c (print_help): Add new argument.
3706         (common_handle_option): Remember all values into
3707         help_option_arguments.
3708         * opts.h (print_help): Add new argument.
3710 2019-05-28  Martin Liska  <mliska@suse.cz>
3712         PR ipa/90555
3713         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
3714         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
3715         (func_checker::compare_bb): Call compare_loops.
3717 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
3719         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
3720         on sections construct.
3721         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
3722         construct.
3723         (lower_omp_sections): Handle lastprivate conditional.
3724         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
3725         lastprivate_conditional_map.
3726         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
3728         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
3729         critical, taskgroup and section regions when looking for a region
3730         with non-NULL lastprivate_conditional_map.
3732 2019-05-27  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3734         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
3735         (*ix86_gen_sub3): Ditto.
3736         (*ix86_gen_sub3_carry): Ditto.
3737         (*ix86_gen_one_cmpl2): Ditto.
3738         (*ix86_gen_andsp): Ditto.
3739         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
3740         (gen_and2_insn): New static function.
3741         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
3742         Use gen_add3_insn instead of ix86_gen_add3.
3743         (ix86_expand_split_stack_prologue): Use gen_add2_insn
3744         instead of ix86_gen_add3.
3745         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
3746         Use gen_sub3_insn instead of ix86_gen_sub3.
3747         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
3748         instead of ix86_gen_add3.
3749         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
3750         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
3751         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
3752         * config/i386/i386-options.c (ix86_option_override_internal):
3753         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
3754         ix86_gen_one_cmpl2 and ix86_gen_andsp.
3756 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
3758         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
3759         and DW_OP_GNU_const_index opcodes.
3761 2019-05-27  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3763         * config/i386/i386.h (STACK_SIZE_MODE): Define.
3765 2019-05-27  Richard Biener  <rguenther@suse.de>
3767         PR tree-optimization/90637
3768         * tree-ssa-sink.c (statement_sink_location): Honor the
3769         computed sink location for single-uses.
3771 2019-05-27  Richard Biener  <rguenther@suse.de>
3773         PR middle-end/90610
3774         * match.pd (vec_perm): Avoid clobbering op0 when not generating
3775         a bit-insert.
3777 2019-05-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3779         * config/i386/i386.md (@sub<mode>3_carry): Rename
3780         from sub<mode>3_carry.
3781         (@leave_<mode>): New expander.
3782         (*leave): Rename from leave.
3783         (*leave_rex64): Rename from leave_rex64.
3784         (@monitorx_<mode>): Rename from monitorx_<mode>.
3785         (@clzero_<mode>): Rename from clzero_<mode>.
3786         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
3787         from sse3_monitor_<mode>.
3788         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
3789         (*ix86_gen_leave): Ditto.
3790         (*ix86_gen_monitor): Ditto.
3791         (*ix86_gen_monitorx): Ditto.
3792         (*ix86_gen_clzero): Ditto.
3793         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
3794         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
3795         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
3796         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
3797         Use gen_sse3_monitor instead of ix86_gen_monitor.
3798         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
3799         instead of ix86_gen_monitorx.
3800         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
3801         instead of ix86_gen_clzero.
3802         * config/i386/i386-options.c (ix86_option_override_internal):
3803         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
3804         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
3806 2019-05-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3808         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
3809         Rename from tls_global_dynamic_64_<mode>.
3810         (@tls_local_dynamic_base_64_<mode>): Rename from
3811         tls_local_dynamic_base_64_<mode>.
3812         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
3813         Remove indirect function.
3814         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
3815         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
3816         instead of ix86_gen_tls_global_dynamic_64.
3817         Use gen_tls_local_dynamic_base_64 instead of
3818         ix86_gen_tls_local_dynamic_base_64.
3819         * config/i386/i386-options.c (ix86_option_override_internal):
3820         Do not initialize ix86_gen_tls_global_dynamic_64 and
3821         ix86_gen_tls_local_dynamic_base_64.
3823 2019-05-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3825         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
3826         Rename from pro_epilogue_adjust_stack_<mode>_add.
3827         (@pro_epilogue_adjust_stack_sub_<mode>)
3828         Rename from pro_epilogue_adjust_stack_<mode>_sub.
3829         (@allocate_stack_worker_probe_<mode>):
3830         Rename from allocate_stack_worker_probe_<mode>.
3831         (allocate_stack): Use gen_allocate_stack_worker_probe.
3832         (probe_stack): Use gen_probe_stack_1.
3833         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
3834         (@adjust_stack_and_probe_<mode>): Rename from
3835         adjust_stack_and_probe<mode>.
3836         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
3837         (stack_protect_set): Use gen_stack_protect_set_1.
3838         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
3839         (stack_protect_test): Use gen_stack_protect_test_1.
3840         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
3841         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
3842         Remove indirect function.
3843         (*ix86_gen_adjust_stack_and_probe): Ditto.
3844         (*ix86_gen_probe_stack_range): Ditto.
3845         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
3846         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
3847         (ix86_adjust_stack_and_probe_stack_clash): Use
3848         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
3849         (ix86_adjust_stack_and_probe): Ditto.
3850         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
3851         of ix86_gen_probe_stack_range.
3852         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
3853         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
3854         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
3855         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
3856         CODE_FOR_stack_protect_test_{si,di}.
3857         * config/i386/i386-options.c (ix86_option_override_internal):
3858         Do not initialize ix86_gen_allocate_stack_worker,
3859         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
3861 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
3863         * doc/invoke.texi (Link Options): Many editorial changes around
3864         -flinker-output.
3866 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3868         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
3869         pre-Solaris 11 referene and most Studio compiler details.
3871 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
3873         PR target/90530
3874         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
3875         DImode to SImode in floating-point registers on 64-bit target.
3876         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
3877         register_operand in xmpyu patterns.
3879 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
3881         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
3882         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
3883         OMP_CLAUSE__REDUCTEMP_.
3884         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
3885         OMP_CLAUSE__CONDTEMP_.
3886         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
3887         * tree-pretty-print.c (dump_omp_clause): Likewise.
3888         * tree-nested.c (convert_nonlocal_omp_clauses,
3889         convert_local_omp_clauses): Likewise.
3890         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
3891         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
3892         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
3893         on OMP_FOR.
3894         (gimplify_omp_for): Warn and disable conditional modifier from
3895         lastprivate on loop iterators.
3896         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
3897         member.
3898         * omp-general.c (omp_extract_for_data): Initialize it.
3899         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
3900         member.
3901         (delete_omp_context): Delete it.
3902         (lower_lastprivate_conditional_clauses): New function.
3903         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
3904         handle lastprivate conditional clauses.
3905         (lower_reduction_clauses): Add CLIST argument, emit it into
3906         the critical section if any.
3907         (lower_omp_sections): Adjust lower_lastprivate_clauses and
3908         lower_reduction_clauses callers.
3909         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
3910         to lower_lastprivate_clauses.
3911         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
3912         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
3913         clist into a critical section if not emitted there already by
3914         lower_reduction_clauses.
3915         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
3916         callers.
3917         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
3918         conditional variables.
3919         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
3920         clause is present.
3921         (expand_omp_for_generic, expand_omp_for_static_nochunk,
3922         expand_omp_for_static_chunk): Handle lastprivate conditional.
3923         (expand_omp_for): Handle fd.lastprivate_conditional like
3924         fd.have_reductemp.
3926 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
3928         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
3929         kernel does not exit cleanly.
3930         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
3932 2019-05-24  Jason Merrill  <jason@redhat.com>
3934         Revert:
3935         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
3937 2019-05-24  Richard Biener  <rguenther@suse.de>
3939         PR testsuite/90607
3940         * tree-loop-distribution.c (struct partition): Add location
3941         member.
3942         (partition_alloc): Initialize all fields.
3943         (generate_memset_builtin): Use the location recorded in the
3944         partition for the generated call.
3945         (generate_memcpy_builtin): Likewise.
3946         (classify_partition): Record the location of a single store
3947         as location for the partition.
3949 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
3951         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
3952         for lo-part.
3954 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
3956         PR target/90588
3957         * common/config/aarch64/aarch64-common.c
3958         (aarch64_rewrite_selected_cpu): Change local temporary variable
3959         type from unsigned long to uint64_t.
3960         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
3961         aarch64_get_extension_string_for_isa_flags): Change declaration to
3962         match new definition by replacing unsigned long with uint64_t.
3964 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
3966         PR target/90568
3967         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
3968         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
3969         Handle stack_protect_test_<mode> codegen similarly to corresponding
3970         sub instruction.
3972 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
3974        * config/i386/darwin.h: Reject -mfentry*.
3975        * doc/sourcebuild.texi: Document mfentry target support.
3977 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
3979         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
3980         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
3981         false for PC-relative functions.
3982         (rs6000_output_function_prologue): Change called function name to
3983         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
3984         name,1" for PC-relative functions.
3985         (rs6000_elf_declare_function_name): Change called function name to
3986         rs6000_global_entry_point_prologue_needed_p.
3988 2019-05-23  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3990         PR target/90552
3991         * config/i386/i386.c (gen_rtx_cost):
3992         Use ix86_tune_cost instead of ix86_cost.
3994 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
3995             Michael Meissner  <meissner@linux.ibm.com>
3996             Segher Boessenkool  <segher@kernel.crashing.org>
3998         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
3999         OPTION_MASK_PCREL.
4000         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
4001         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
4002         (rs6000_fndecl_pcrel_p): Likewise.
4003         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
4004         error if -mpcrel is requested without -mcpu=future.
4005         (rs6000_opt_masks): Add entry for pcrel.
4006         (rs6000_fndecl_pcrel_p): New function.
4007         (rs6000_pcrel_p): Likewise.
4008         * config/rs6000/rs6000.opt (mpcrel): New option.
4009         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
4011 2019-05-23  Jan Hubicka  <jh@suse.cz>
4012             Martin Liska  <mliska@suse.cz>
4014         PR tree-optimization/90576
4015         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
4016         poly_int_tree_p.
4017         (aliasing_component_refs_p): Fix three way size compare conditional;
4018         give up earlier in case we can not decide on equivalence.
4020 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
4021             Michael Meissner  <meissner@linux.ibm.com>
4022             Segher Boessenkool  <segher@kernel.crashing.org>
4024         * config.gcc: Add future cpu.
4025         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
4026         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
4027         #define.
4028         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
4029         (RS6000_CPU): New instantiation for future cpu.
4030         * config/rs6000/rs6000-opts.h (enum processor_type): Add
4031         PROCESSOR_FUTURE.
4032         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
4033         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
4034         * config/rs6000/rs6000-tables.opt: Regenerate.
4035         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
4036         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
4037         (rs6000_machine_from_flags): Handle future cpu.
4038         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
4039         PROCESSOR_POWER9 for now.
4040         (rs6000_adjust_cost): Likewise.
4041         (rs6000_issue_rate): Likewise.
4042         (rs6000_register_move_cost): Likewise.
4043         (rs6000_opt_masks): Add entry for future.
4044         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
4045         (MASK_FUTURE): New #define.
4046         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
4047         * config/rs6000/rs6000.opt (mfuture): New target option.
4048         * doc/invoke.texi (mcpu): Add future cpu.
4050 2019-05-23  Martin Liska  <mliska@suse.cz>
4052         PR c++/90587
4053         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
4054         operation points to a temporary (pointed via tree_to_wide_ref)
4055         that is out of scope after the &.
4057 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
4059         PR c++/90592
4060         * doc/extend.texi (Function Names): Add missing word.
4062 2019-05-23  Richard Biener  <rguenther@suse.de>
4064         PR tree-optimization/88440
4065         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
4066         at -O[2s]+.
4067         * tree-loop-distribution.c (generate_memset_builtin): Fold the
4068         generated call.
4069         (generate_memcpy_builtin): Likewise.
4070         (distribute_loop): Pass in whether to only distribute patterns.
4071         (prepare_perfect_loop_nest): Also allow size optimization.
4072         (pass_loop_distribution::execute): When optimizing a loop
4073         nest for size allow pattern replacement.
4075 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
4077         PR target/90568
4078         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
4079         of xor.
4081 2019-05-23  Martin Liska  <mliska@suse.cz>
4083         PR sanitizer/90570
4084         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
4085         expression similarly to gimplify_decl_expr.
4087 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4089         * cse.c (cse_dump_path): s/dump_file/f.
4091 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
4093         PR c++/90462
4094         * diagnostic-format-json.cc: Include "selftest.h".
4095         (json_from_expanded_location): Only add "file" key for non-NULL
4096         file strings.
4097         (json_from_location_range): Don't add "start" and "finish"
4098         children if they are UNKNOWN_LOCATION.
4099         (selftest::test_unknown_location): New selftest.
4100         (selftest::test_bad_endpoints): New selftest.
4101         (selftest::diagnostic_format_json_cc_tests): New function.
4102         * json.cc (json::object::get): New function.
4103         (selftest::test_object_get): New selftest.
4104         (selftest::json_cc_tests): Call it.
4105         * json.h (json::object::get): New decl.
4106         * selftest-run-tests.c (selftest::run_tests): Call
4107         selftest::diagnostic_format_json_cc_tests.
4108         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
4109         decl.
4111 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
4112             Andrew Stubbs  <amd@codesourcery.com>
4114         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
4115         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
4116         (kernel): Rename to...
4117         (main_kernel): ... this.
4118         (load_image): Load _init_array and _fini_array kernels.
4119         (run): Add argument for kernel to run.
4120         (main): Run init_array_kernel before main_kernel, and
4121         fini_array_kernel after.
4122         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
4123         amdgpu_hsa_kernel attribute on functions.
4124         (gcn_disable_constructors): Delete.
4125         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
4126         * config/gcn/crt0.c (size_t): Define.
4127         (_init_array, _fini_array): New.
4128         (__preinit_array_start, __preinit_array_end,
4129         __init_array_start, __init_array_end,
4130         __fini_array_start, __fini_array_end): Declare weak references.
4132 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
4134         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
4136 2019-05-22  Jason Merrill  <jason@redhat.com>
4138         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
4140 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
4142         PR target/88483
4143         * config/i386/i386-options.c (ix86_init_machine_status): Set
4144         stack_frame_required to true.
4145         * config/i386/i386.c (ix86_get_frame_size): New function.
4146         (ix86_frame_pointer_required): Replace get_frame_size with
4147         ix86_get_frame_size.
4148         (ix86_compute_frame_layout): Likewise.
4149         (ix86_find_max_used_stack_alignment): Changed to void.  Set
4150         stack_frame_required.
4151         (ix86_finalize_stack_frame_flags): Always call
4152         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
4153         ix86_get_frame_size.
4154         * config/i386/i386.h (machine_function): Add stack_frame_required.
4156 2019-05-22  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4158         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
4160 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
4162         * common/config/aarch64/aarch64-common.c
4163         (struct aarch64_option_extension, struct processor_name_to_arch,
4164         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
4165         aarch64_contains_opt,
4166         aarch64_get_extension_string_for_isa_flags): Change type of
4167         variables storing flags to uint64_t.
4168         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
4169         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
4170         * config/aarch64/aarch64.c (struct processor,
4171         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
4172         aarch64_validate_march, aarch64_override_options,
4173         aarch64_option_print, aarch64_handle_attr_isa_flags,
4174         aarch64_declare_function_name, aarch64_start_file): Make flag
4175         variables uint64_t.
4176         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
4177         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
4178         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
4179         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
4180         * config/aarch64/driver-aarch64.c
4181         (struct aarch64_arch_extension, struct aarch64_core_data,
4182         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
4183         flag variables uint64_t.
4184         * doc/invoke.texi: Add documentation for new arguments.
4186 2019-05-22  Richard Biener  <rguenther@suse.de>
4188         * alias.c (ao_ref_from_mem): Move stack-slot sharing
4189         rewrite ...
4190         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
4192 2019-05-22  Martin Liska  <mliska@suse.cz>
4194         PR lto/90500
4195         * doc/extend.texi: Document the change.
4197 2019-05-22  Richard Biener  <rguenther@suse.de>
4199         PR tree-optimization/90450
4200         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
4201         (mem_ref_hasher::equal): Check it.
4202         (mem_ref_alloc): Initialize it.
4203         (gather_mem_refs_stmt): Set it.
4205 2019-05-22  Richard Biener  <rguenther@suse.de>
4207         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
4208         Add ABS_EXPR.
4209         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
4210         as ABSU_EXPR.
4212 2019-05-22  Alan Modra  <amodra@gmail.com>
4214         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
4215         (ASM_CPU_SPEC): Conditionally add -many.
4216         * config/rs6000/rs6000.c (rs6000_machine): New static var.
4217         (rs6000_machine_from_flags, emit_asm_machine): New functions..
4218         (rs6000_file_start): ..extracted from here, and modified to
4219         test all ISA bits.
4220         (rs6000_output_function_prologue): Emit .machine as necessary.
4221         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
4222         power mnemonics.
4223         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
4224         added by check_vect_support_and_set_flags.
4225         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
4226         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
4228 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
4230         PR middle-end/90553
4231         * ira-lives.c (process_bb_node_lives): Consider defs
4232         for a call insn to be die before the call, not after.
4234         * function.c (assign_parm_setup_block): Raise alignment of
4235         stacked parameter only for STRICT_ALIGNMENT targets.
4237 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4239         * config/rs6000/constraints.md (define_register_constraint "wz"):
4240         Delete.
4241         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4242         RS6000_CONSTRAINT_wz.
4243         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4244         (rs6000_init_hard_regno_mode_ok): Adjust.
4245         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
4246         * doc/md.texi (Machine Constraints): Adjust.
4248 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4250         * config/rs6000/constraints.md (define_register_constraint "wl"):
4251         Delete.
4252         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4253         RS6000_CONSTRAINT_wl.
4254         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4255         (rs6000_init_hard_regno_mode_ok): Adjust.
4256         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
4257         * doc/md.texi (Machine Constraints): Adjust.
4259 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4261         * config/rs6000/constraints.md (define_register_constraint "wm"):
4262         Delete.
4263         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4264         RS6000_CONSTRAINT_wm.
4265         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4266         (rs6000_init_hard_regno_mode_ok): Adjust.
4267         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
4268         * doc/md.texi (Machine Constraints): Adjust.
4270 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4272         * config/rs6000/constraints.md (define_register_constraint "wk"):
4273         Delete.
4274         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4275         RS6000_CONSTRAINT_wk.
4276         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4277         (rs6000_init_hard_regno_mode_ok): Adjust.
4278         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
4279         * doc/md.texi (Machine Constraints): Adjust.
4281 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4283         * config/rs6000/constraints.md (define_register_constraint "wj"):
4284         Delete.
4285         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4286         RS6000_CONSTRAINT_wj.
4287         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4288         (rs6000_init_hard_regno_mode_ok): Adjust.
4289         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
4290         (VS_64dm): Delete.
4291         * config/rs6000/vsx.md: Ditto.
4292         * doc/md.texi (Machine Constraints): Adjust.
4294 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4296         * config/rs6000/constraints.md (define_register_constraint "wh"):
4297         Delete.
4298         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4299         RS6000_CONSTRAINT_wh.
4300         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4301         (rs6000_init_hard_regno_mode_ok): Adjust.
4302         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
4303         * doc/md.texi (Machine Constraints): Adjust.
4305 2019-05-21  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4307         PR target/90547
4308         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4309         Avoid calling gen_lowpart with CONST operand.
4311 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
4313         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
4314         field template_last_to_copy.
4315         (ssa_create_duplicates): Set it, and use it.  Attempt to
4316         preserve more debug stmts.
4318 2019-05-21  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4320         * config/i386/sse.md (VF1_AVX2): New mode iterator.
4321         (signbit<mode>2): New expander
4323 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
4325         PR bootstrap/87338
4326         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
4327         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
4329 2019-05-21  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4331         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
4332         %ebx and %ecx bafore calling cpuid with leaf 1 or
4333         non-constant leaf argument.
4335 2019-05-21  Alan Modra  <amodra@gmail.com>
4337         PR target/90545
4338         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
4339         power9 direct move cost.
4340         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
4341         Correct comments and rename functions to suit parameters.
4343 2019-05-21  Richard Biener  <rguenther@suse.de>
4345         PR middle-end/90510
4346         * fold-const.c (fold_read_from_vector): New function.
4347         * fold-const.h (fold_read_from_vector): Declare.
4348         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
4349         single-element insert permutations.  Canonicalize selector
4350         further and fix issue with last commit.
4352 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
4354         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
4355         parameter with default value false to declaration.
4356         (split_edges_for_insertion): New inline function.  Wrapper for
4357         split_critical_edges with for_edge_insertion_p = true.
4358         * tree-cfg.c (split_critical_edges): Don't split non-critical
4359         edges if for_edge_insertion_p is false.  Fix whitespace.
4360         * tree-ssa-pre.c (pass_pre::execute): Call
4361         split_edges_for_insertion instead of split_critical_edges.
4362         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
4363         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
4364         (pass_data_sink_code): Update function name in the comment.
4366 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
4368         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
4369         around is_value_included_in that knows how to handle BIT_AND_EXPR.
4370         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
4371         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
4372         positives.
4374 2019-05-21  Martin Liska  <mliska@suse.cz>
4376         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
4377         an extra newline.
4378         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
4379         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
4380         vec_lvsr.
4381         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4382         Quote a C type.
4383         (rs6000_function_arg): Likewise.
4384         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
4385         (rs6000_expand_ternop_builtin): Use interval syntax.
4386         (get_element_number): Likewise.
4387         (altivec_expand_builtin): Likewise.
4388         (rs6000_get_function_versions_dispatcher): Quote target_clones.
4390 Fix test-suite.
4392 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
4394         PR c++/59813
4395         PR target/90418
4396         * function.h (struct function): Add calls_eh_return member.
4397         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
4398         gimplifying __builtin_eh_return call.
4399         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
4400         to cfun.
4401         (expand_call_inline): Or in src_cfun->calls_eh_return into
4402         dst_cfun->calls_eh_return.
4403         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
4404         cfun->calls_eh_return.
4405         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
4406         * lto-streamer-out.c (output_struct_function_base): Write
4407         calls_eh_return.
4409 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
4411         PR rtl-optimization/43147
4412         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
4413         IX86_BUILTIN_SHUFPD.
4415 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
4417         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
4418         (refs_may_alias_p_1): ... here; update stats.
4419         (refs_may_alias_p): Do not update stats here.
4421 2019-05-20  Richard Biener  <rguenther@suse.de>
4423         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
4424         doesn't produce pointers.
4425         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
4426         the first operand points to.
4428 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
4430         * tree-ssa-alias.c (compare_sizes): New function.
4431         (sompare_type_sizes): New function
4432         (aliasing_component_refs_p): Use it.
4433         (indirect_ref_may_alias_decl_p): Likewise.
4435 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4437         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
4439 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4441         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
4442         (LIBLSAN_EARLY_SPEC): Likewise.
4443         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
4445 2019-05-20  Martin Liska  <mliska@suse.cz>
4447         * config/i386/i386.c (ix86_libc_has_fast_function):
4448         Add ATTRIBUTE_UNUSED for the argument.
4450 2019-05-20  Richard Biener  <rguenther@suse.de>
4452         * gimple-match-head.c: Include vec-perm-indices.h.
4453         * generic-match-head.c: Likewise.
4454         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
4455         is included.
4456         * fold-const.c (fold_vec_perm): Export.
4457         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
4458         (match.pd): ...here.
4460 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
4462         * cfgloop.h (struct loop): Add simdlen member.
4463         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
4464         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
4465         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
4466         as new argument to autovectorize_vector_sizes target hook.  If
4467         loop->simdlen, pick up vector size where the vectorization factor
4468         is equal to loop->simd, and if there is none, fall back to the first
4469         successful one.
4470         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
4471         caller.
4472         * omp-low.c (omp_clause_aligned_alignment): Likewise.
4473         * omp-general.c (omp_max_vf): Likewise.
4474         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
4475         * tree-vect-slp.c (vect_slp_bb): Likewise.
4476         * target.def (autovectorize_vector_sizes): Add ALL argument and
4477         document it.
4478         * doc/tm.texi: Adjust documentation.
4479         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
4480         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
4481         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
4482         bool argument.
4483         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
4484         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
4485         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
4486         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
4487         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
4488         preferred vector size is not 512-bit or 256-bit, just put those
4489         unpreferred ones last.
4491 2019-05-20  Martin Liska  <mliska@suse.cz>
4493         * targhooks.c (default_libc_has_fast_function): New function.
4494         * targhooks.h (default_libc_has_fast_function): Likewise.
4496 2019-05-20  Martin Liska  <mliska@suse.cz>
4498         PR middle-end/90263
4499         * builtins.c (expand_builtin_memory_copy_args): When having a
4500         target with fast mempcpy implementation do now use memcpy.
4501         * config/i386/i386.c (ix86_libc_has_fast_function): New.
4502         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
4503         * doc/tm.texi: Likewise.
4504         * doc/tm.texi.in: Likewise.
4505         * target.def:
4506         * expr.c (emit_block_move_hints): Add 2 new arguments.
4507         * expr.h (emit_block_move_hints): Bail out when libcall
4508         to memcpy would be used.
4510 2019-05-20  Martin Liska  <mliska@suse.cz>
4512         * profile-count.c: Add vertical spacing in order
4513         to separate functions.
4514         * profile-count.h: Likewise.
4516 2019-05-20  Martin Liska  <mliska@suse.cz>
4518         * profile-count.h: Do not use full qualified
4519         names if possible.
4520         * profile-count.c (profile_count::to_frequency): Likewise.
4522 2019-05-20  Martin Liska  <mliska@suse.cz>
4524         * profile-count.h (enum profile_quality): Use capital letters
4525         for enum value names.  Use the adjusted names.
4526         * profile-count.c: Use the adjusted names.
4528 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4530         * config/rs6000/constraints.md (define_register_constraint "wH"):
4531         Delete.
4532         (define_register_constraint "wI"): Delete.
4533         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4534         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
4535         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4536         (rs6000_init_hard_regno_mode_ok): Adjust.
4537         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
4538         resp. "d", or with "wa" as appropriate, all with "p8v".
4539         * config/rs6000/vsx.md: Ditto.
4540         * doc/md.texi (Machine Constraints): Adjust.
4542 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4544         * config/rs6000/constraints.md (define_register_constraint "wy"):
4545         Delete.
4546         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4547         RS6000_CONSTRAINT_wy.
4548         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4549         (rs6000_init_hard_regno_mode_ok): Adjust.
4550         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
4551         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
4552         (define_mode_attr Fisa): New.
4553         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
4554         * doc/md.texi (Machine Constraints): Adjust.
4556 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4558         * config/rs6000/constraints.md (define_register_constraint "wu"):
4559         Delete.
4560         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4561         RS6000_CONSTRAINT_wu.
4562         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4563         (rs6000_init_hard_regno_mode_ok): Adjust.
4564         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
4565         both with "p8v".
4566         (define_mode_attr Fa): Delete.
4567         * config/rs6000/vsx.md: Ditto.
4568         * doc/md.texi (Machine Constraints): Adjust.
4570 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4572         * config/rs6000/constraints.md (define_register_constraint "wJ"):
4573         Delete.
4574         (define_register_constraint "wK"): Delete.
4575         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4576         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
4577         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4578         (rs6000_init_hard_regno_mode_ok): Adjust.
4579         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
4580         Replace "wK" constraint by "wH" with "p9v".
4581         * config/rs6000/vsx.md: Ditto.
4582         * doc/md.texi (Machine Constraints): Adjust.
4584 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4586         * config/rs6000/constraints.md (define_register_constraint "wb"):
4587         Delete.
4588         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4589         RS6000_CONSTRAINT_wb.
4590         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4591         (rs6000_init_hard_regno_mode_ok): Adjust.
4592         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
4593         * config/rs6000/vsx.md: Ditto.
4594         * doc/md.texi (Machine Constraints): Adjust.
4596 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4598         * config/rs6000/constraints.md (define_register_constraint "wo"):
4599         Delete.
4600         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4601         RS6000_CONSTRAINT_wo.
4602         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4603         (rs6000_init_hard_regno_mode_ok): Adjust.
4604         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
4605         * config/rs6000/altivec.md: Ditto.
4606         * doc/md.texi (Machine Constraints): Adjust.
4608 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
4610         * config/darwin-c.c (darwin_register_objc_includes): Do not
4611         prepend the sysroot when building gnu-runtime header search
4612         paths.
4614 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
4616         * config/darwin.c (darwin_file_end): Use switch_to_section ()
4617         instead of direct output of the asm.
4619 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
4621         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
4622         argument to be type bool (was int before).
4623         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
4624         at first use.  Use type bool for some variables.  Fix a theoretical
4625         eh_return bug for svr4.
4627 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
4629         * config/rs6000/rs6000.md (isa): New attribute.
4630         (enabled): New attribute.
4632 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
4634         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
4635         assemble_start_function and assemble_end_function.
4637 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
4639         PR middle-end/89433
4640         * omp-general.c (oacc_verify_routine_clauses): Change formal
4641         parameters.  Add checking if already marked with an OpenACC
4642         'routine' directive.  Adjust all users.
4644         PR middle-end/89433
4645         * omp-general.c (oacc_build_routine_dims): Move some of its
4646         processing into...
4647         (oacc_verify_routine_clauses): ... this new function.
4648         * omp-general.h (oacc_verify_routine_clauses): New prototype.
4650 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
4652         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
4653         formating of picbase labels to match other ports.
4655 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
4657         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
4658         in the generated code.
4660 2019-05-16  Martin Sebor  <msebor@redhat.com>
4662         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
4663         identifiers, keywords, operators, and types in diagnostics.  Correct
4664         quoting, spelling, and sentence capitalization issues.
4665         (expand_builtin_atomic_is_lock_free): Same.
4666         (fold_builtin_next_arg): Same.
4667         * cfgexpand.c (expand_one_var): Same.
4668         (tree_conflicts_with_clobbers_p): Same.
4669         (expand_asm_stmt): Same.
4670         (verify_loop_structure): Same.
4671         * cgraphunit.c (process_function_and_variable_attributes): Same.
4672         * collect-utils.c (collect_execute): Same.
4673         * collect2.c (maybe_run_lto_and_relink): Same.
4674         (is_lto_object_file): Same.
4675         (scan_prog_file): Same.
4676         * convert.c (convert_to_real_1): Same.
4677         * dwarf2out.c (dwarf2out_begin_prologue): Same.
4678         * except.c (verify_eh_tree): Same.
4679         * gcc.c (execute): Same.
4680         (eval_spec_function): Same.
4681         (run_attempt): Same.
4682         (driver::set_up_specs): Same.
4683         (compare_debug_auxbase_opt_spec_function): Same.
4684         * gcov-tool.c (unlink_gcda_file): Same.
4685         (do_merge): Same.
4686         (do_rewrite): Same.
4687         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
4688         * gimplify.c (gimplify_asm_expr): Same.
4689         (gimplify_adjust_omp_clauses): Same.
4690         * hsa-gen.c (gen_hsa_addr_insns): Same.
4691         (gen_hsa_insns_for_load): Same.
4692         (gen_hsa_cmp_insn_from_gimple): Same.
4693         (gen_hsa_insns_for_operation_assignment): Same.
4694         (gen_get_level): Same.
4695         (gen_hsa_alloca): Same.
4696         (omp_simple_builtin::generate): Same.
4697         (gen_hsa_atomic_for_builtin): Same.
4698         (gen_hsa_insns_for_call): Same.
4699         * input.c (dump_location_info): Same.
4700         * ipa-devirt.c (compare_virtual_tables): Same.
4701         * ira.c (ira_setup_eliminable_regset): Same.
4702         * lra-assigns.c (lra_assign): Same.
4703         * lra-constraints.c (lra_constraints): Same.
4704         * lto-streamer-in.c (lto_input_mode_table): Same.
4705         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
4706         (merge_and_complain): Same.
4707         (compile_offload_image): Same.
4708         (compile_images_for_offload_targets): Same.
4709         (debug_objcopy): Same.
4710         (run_gcc): Same.
4711         (main): Same.
4712         * opts.c (print_specific_help): Same.
4713         (parse_no_sanitize_attribute): Same.
4714         (print_help): Same.
4715         (handle_param): Same.
4716         * plugin.c (add_new_plugin): Same.
4717         (parse_plugin_arg_opt): Same.
4718         (try_init_one_plugin): Same.
4719         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
4720         operators, and types in diagnostics.  Correct quoting and spelling
4721         issues.
4722         * read-rtl-function.c (parse_edge_flag_token): Same.
4723         (function_reader::parse_enum_value): Same.
4724         * reg-stack.c (check_asm_stack_operands): Same.
4725         * regcprop.c (validate_value_data): Same.
4726         * sched-rgn.c (make_pass_sched_fusion): Same.
4727         * stmt.c (check_unique_operand_names): Same.
4728         * targhooks.c (default_target_option_pragma_parse): Same.
4729         * tlink.c (recompile_files): Same.
4730         * toplev.c (process_options): Same.
4731         (do_compile): Same.
4732         * trans-mem.c (diagnose_tm_1): Same.
4733         (ipa_tm_scan_irr_block): Same.
4734         (ipa_tm_diagnose_transaction): Same.
4735         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
4736         format a tree code name in a diagnostic.
4737         (verify_types_in_gimple_min_lval): Same.
4738         (verify_types_in_gimple_reference): Same.
4739         (verify_gimple_call): Same.
4740         (verify_gimple_assign_unary): Same.
4741         (verify_gimple_assign_binary): Same.
4742         (verify_gimple_assign_ternary): Same.
4743         (verify_gimple_assign_single): Same.
4744         (verify_gimple_switch): Same.
4745         (verify_gimple_label): Same.
4746         (verify_gimple_phi): Same.
4747         (verify_gimple_in_seq): Same.
4748         (verify_eh_throw_stmt_node): Same.
4749         (collect_subblocks): Same.
4750         (gimple_verify_flow_info): Same.
4751         (do_warn_unused_result): Same.
4752         * tree-inline.c (expand_call_inline): Same.
4753         * tree-into-ssa.c (update_ssa): Same.
4754         * tree.c (tree_int_cst_elt_check_failed): Same.
4755         (tree_vec_elt_check_failed): Same.
4756         (omp_clause_operand_check_failed): Same.
4757         (verify_type_variant): Same.
4758         (verify_type): Same.
4759         * value-prof.c (verify_histograms): Same.
4760         * varasm.c (assemble_start_function): Same.
4762 2019-05-16  Martin Sebor  <msebor@redhat.com>
4764         * config/i386/i386-expand.c (get_element_number): Quote keywords
4765         and other internal names in diagnostics.  Adjust other diagnostic
4766         formatting issues noted by -Wformat-diag.
4767         * config/i386/i386-features.c
4768         (ix86_mangle_function_version_assembler_name): Same.
4769         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
4770         * config/i386/i386.c (ix86_function_type_abi): Same.
4771         (ix86_function_ms_hook_prologue): Same.
4772         (classify_argument): Same.
4773         (ix86_expand_prologue): Same.
4774         (ix86_md_asm_adjust): Same.
4775         (ix86_memmodel_check): Same.
4777 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
4779         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
4780         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
4781         and fpxx modes.
4783 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
4785         PR target/90497
4786         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
4787         intrinsics without SSE/SSE2/SSSE3.
4788         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
4789         check.
4790         (*mmx_uavgv8qi3): Likewise.
4792 2019-05-17  Richard Biener  <rguenther@suse.de>
4794         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
4795         VEC_PERM_EXPR as __VEC_PERM with -gimple.
4797 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
4799         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
4800         vec_sldw insn pattern.
4802 2019-05-17  Richard Biener  <rguenther@suse.de>
4804         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
4806 2019-05-17  Martin Liska  <mliska@suse.cz>
4808         PR driver/90496
4809         * toplev.c (output_stack_usage): With LTO and sanitizer it
4810         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
4811         has no file location.
4813 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
4815         PR c++/90484
4816         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
4817         sz0 is equal to sz1, instead return false in that case.
4819         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
4820         has non-constant expression, force sctx.lane and use two
4821         argument IFN_GOMP_SIMD_LANE instead of single argument.
4822         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
4823         two argument IFN_GOMP_SIMD_LANE without lhs.
4824         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
4825         member.
4826         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
4827         Define.
4828         (LOOP_REQUIRES_VERSIONING): Or in
4829         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
4830         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
4831         simd_if_cond.
4832         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
4833         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
4834         from simd if clause if needed.
4836 2019-05-16  Richard Biener  <rguenther@suse.de>
4838         * tree-affine.c (expr_to_aff_combination): New function split
4839         out from...
4840         (tree_to_aff_combination): ... here.
4841         (aff_combination_expand): Avoid building a GENERIC tree.
4843 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
4845         * cgraphunit.c (cgraph_node::expand_thunk): Remove
4846         assemble_start_function and assemble_end_function calls.
4847         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
4848         assemble_start_function and assemble_end_function.
4849         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
4850         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
4851         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
4852         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
4853         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
4854         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
4855         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
4856         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
4857         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
4858         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4859         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4860         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
4861         Likewise.
4862         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
4863         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
4864         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
4865         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
4866         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
4867         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
4868         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
4869         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
4870         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
4871         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4872         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4873         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4874         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
4875         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
4876         Likewise.
4877         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
4878         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
4879         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
4881 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
4883         * tree-ssa-alias.c (alias_stats): Add
4884         aliasing_component_refs_p_may_alias and
4885         aliasing_component_refs_p_no_alias.
4886         (dump_alias_stats): Print aliasing_component_refs_p stats.
4887         (aliasing_component_refs_p): Update stats.
4889 2019-05-16  Martin Liska  <mliska@suse.cz>
4891         PR lto/90500
4892         * multiple_target.c (expand_target_clones): Do not allow
4893         target_clones being used with a symbol that is an alias.
4895 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
4897         PR tree-optimization/90394
4898         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
4899         positives rather than ICE for cases where (code2 == NE_EXPR
4900         && code1 == BIT_AND_EXPR).
4902 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
4904         PR fortran/90329
4905         * tree-core.h (struct tree_decl_common): Document
4906         decl_nonshareable_flag for PARM_DECLs.
4907         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
4908         * calls.c (expand_call): Don't try tail call if caller
4909         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
4910         passed on the stack and callee needs to pass any arguments on the
4911         stack.
4912         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
4913         else if instead of series of mutually exclusive ifs.  Handle
4914         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
4915         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
4917         * lto-streamer.h (LTO_major_version): Bump to 9.
4919 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
4921         PR tree-optimization/90106
4922         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
4923         new parameter as new internal function call, also move it to new
4924         basic block.
4925         (use_internal_fn): Pass internal function call to
4926         shrink_wrap_one_built_in_call_with_conds.
4928 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
4930         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
4931         max_vf to 1.
4932         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
4933         safelen_int and set loop->dont_vectorize.
4935 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4937         PR target/89021
4938         * config/i386/i386-builtin.def: Enable MMX intrinsics with
4939         SSE/SSE2/SSSE3.
4940         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
4941         Likewise.
4942         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
4943         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
4944         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
4945         is defined.
4947 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4949         PR target/89021
4950         * config/i386/mmx.md (*vec_dupv2sf): Changed to
4951         define_insn_and_split to support SSE emulation.
4952         (*vec_extractv2sf_0): Likewise.
4953         (*vec_extractv2sf_1): Likewise.
4954         (*vec_extractv2si_0): Likewise.
4955         (*vec_extractv2si_1): Likewise.
4956         (*vec_extractv2si_zext_mem): Likewise.
4957         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
4958         (vec_extractv2sf_1 splitter): Likewise.
4959         (vec_extractv2sfsf): Likewise.
4960         (vec_setv2si): Likewise.
4961         (vec_extractv2si_1 splitter): Likewise.
4962         (vec_extractv2sisi): Likewise.
4963         (vec_setv4hi): Likewise.
4964         (vec_extractv4hihi): Likewise.
4965         (vec_setv8qi): Likewise.
4966         (vec_extractv8qiqi): Likewise.
4967         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
4968         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
4969         (vec_extractv2sisi): Likewise.
4970         (vec_extractv4hihi): Likewise.
4971         (vec_extractv8qiqi): Likewise.
4972         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
4973         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
4974         (vec_initv2sisi): Likewise.
4975         (vec_initv4hihi): Likewise.
4976         (vec_initv8qiqi): Likewise.
4977         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
4978         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
4979         (vec_setv4hi): Likewise.
4980         (vec_setv8qi): Likewise.
4982 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4984         PR target/89021
4985         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
4986         TARGET_MMX_WITH_SSE.
4987         (MMXMODE:*mov<mode>_internal): Likewise.
4988         (MMXMODE:movmisalign<mode>): Likewise.
4990 2019-05-15  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4992         PR target/89021
4993         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
4994         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
4995         (sse2_cvtpd2pi): Ditto.
4996         (sse2_cvttpd2pi): Ditto.
4997         (*vec_concatv2sf_sse4_1): Ditto.
4998         (*vec_concatv2sf_sse): Ditto.
4999         (*vec_concatv2si_sse4_1): Ditto.
5000         (*vec_concatv2si): Ditto.
5001         (*vec_concatv4si_0): Ditto.
5002         (*vec_concatv2di_0): Ditto.
5004 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5006         PR target/89021
5007         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
5009 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5011         PR target/89021
5012         * config/i386/sse.md (ssse3_palignrdi): Changed to
5013         define_insn_and_split to support SSE emulation.
5015 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5017         PR target/89021
5018         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
5020 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5022         PR target/89021
5023         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
5024         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
5025         SSE emulation.
5027 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5029         PR target/89021
5030         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
5031         or TARGET_MMX_WITH_SSE.
5032         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
5034 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5036         PR target/89021
5037         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
5039 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5041         PR target/89021
5042         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
5043         Changed to define_insn_and_split to support SSE emulation.
5045 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5047         PR target/89021
5048         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
5049         Changed to define_insn_and_split to support SSE emulation.
5051 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5053         PR target/89021
5054         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
5055         (*mmx_<emms>): This.
5056         (mmx_<emms>): New expander.
5058 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5060         PR target/89021
5061         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
5062         support.
5063         (*sse2_umulv1siv1di3): Add SSE2 emulation.
5065 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5067         PR target/89021
5068         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
5070 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5072         PR target/89021
5073         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
5075 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5077         PR target/89021
5078         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
5079         TARGET_MMX_WITH_SSE.
5080         (*mmx_uavgv4hi3): Add SSE emulation.
5082 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5084         PR target/89021
5085         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
5086         and TARGET_MMX_WITH_SSE.
5087         (*mmx_uavgv8qi3): Add SSE emulation.
5089 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5091         PR target/89021
5092         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
5093         maskmovdqu for __MMX_WITH_SSE__.
5095 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5097         PR target/89021
5098         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
5099         TARGET_MMX and TARGET_MMX_WITH_SSE.
5100         (*mmx_umulv4hi3_highpart): Add SSE emulation.
5102 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5104         PR target/89021
5105         * config/i386/mmx.md (mmx_pmovmskb): Changed to
5106         define_insn_and_split to support SSE emulation.
5108 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5110         PR target/89021
5111         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
5112         and TARGET_MMX_WITH_SSE.
5113         (mmx_<code>v8qi3): Likewise.
5114         (smaxmin:<code>v4hi3): New.
5115         (umaxmin:<code>v8qi3): Likewise.
5116         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
5117         (umaxmin:*mmx_<code>v8qi3): Likewise.
5119 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5121         PR target/89021
5122         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
5123         TARGET_MMX_WITH_SSE.
5124         (*mmx_pinsrw): Add SSE emulation.
5126 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5128         PR target/89021
5129         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
5131 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5133         PR target/89021
5134         * config/i386/sse.md (sse_cvtpi2ps): Changed to
5135         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
5136         SSE emulation.
5138 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5140         PR target/89021
5141         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
5142         (sse_cvttps2pi): Likewise.
5144 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5146         PR target/89021
5147         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
5148         TARGET_MMX_WITH_SSE.
5149         (mmx_pshufw_1): Add SSE emulation.
5150         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
5151         TARGET_MMX_WITH_SSE to support SSE emulation.
5153 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5155         PR target/89021
5156         * config/i386/constraints.md (Yw): New constraint.
5157         * config/i386/mmx.md (*vec_dupv2si): Changed to
5158         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
5159         support SSE emulation.
5161 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5163         PR target/89021
5164         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
5165         TARGET_MMX_WITH_SSE.
5166         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
5167         support.
5168         (mmx_gt<mode>3): Likewise.
5170 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5172         PR target/89021
5173         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
5174         TARGET_MMX_WITH_SSE.  Add SSE support.
5176 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5178         PR target/89021
5179         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
5180         TARGET_MMX_WITH_SSE.
5181         (any_logic:<code><mode>3): New.
5182         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
5183         Add SSE support.
5185 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5187         PR target/89021
5188         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
5189         TARGET_MMX_WITH_SSE.  Add SSE emulation.
5190         (mmx_<shift_insn><mode>3): Likewise.
5191         (ashr<mode>3): New.
5192         (<shift_insn><mode>3): Likewise.
5194 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5196         PR target/89021
5197         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
5198         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
5200 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5202         PR target/89021
5203         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
5204         TARGET_MMX_WITH_SSE.
5205         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
5206         SSE support.
5208 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5210         PR target/89021
5211         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
5212         TARGET_MMX_WITH_SSE.
5213         (mulv4hi3): New.
5214         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
5215         support.
5217 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5219         PR target/89021
5220         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
5221         (plusminus:mmx_<plusminus_insn><mode>3): Check
5222         TARGET_MMX_WITH_SSE.
5223         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
5224         (<plusminus_insn><mode>3): New.
5225         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
5226         (*mmx_<plusminus_insn><mode>3): Likewise.
5228 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5230         PR target/89021
5231         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
5232         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
5233         prototype.
5234         * config/i386/mmx.m (mmx_punpckhbw): Changed to
5235         define_insn_and_split to support SSE emulation.
5236         (mmx_punpcklbw): Likewise.
5237         (mmx_punpckhwd): Likewise.
5238         (mmx_punpcklwd): Likewise.
5239         (mmx_punpckhdq): Likewise.
5240         (mmx_punpckldq): Likewise.
5242 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5243             Uros Bizjak  <ubizjak@gmail.com>
5245         PR target/89021
5246         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
5247         New function.
5248         (ix86_split_mmx_pack): Likewise.
5249         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
5250         New prototype.
5251         (ix86_split_mmx_pack): Likewise.
5252         * config/i386/i386.md (mmx_isa): New.
5253         (enabled): Also check mmx_isa.
5254         * config/i386/mmx.md (any_s_truncate): New code iterator.
5255         (s_trunsuffix): New code attr.
5256         (mmx_packsswb): Removed.
5257         (mmx_packssdw): Likewise.
5258         (mmx_packuswb): Likewise.
5259         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
5260         MMX packsswb/packuswb with SSE2.
5261         (mmx_packssdw): Likewise.
5262         * config/i386/predicates.md (register_mmxmem_operand): New.
5264 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5266         PR target/89021
5267         * config/i386/i386-c.c (ix86_target_macros_internal): Define
5268         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
5269         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
5270         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
5271         (ix86_vector_mode_supported_p): Likewise.
5272         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
5274 2019-05-15  Martin Liska  <mliska@suse.cz>
5276         PR middle-end/90478
5277         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
5278         Check for overflow.
5280 2019-05-15  Richard Biener  <rguenther@suse.de>
5282         * tree-into-ssa.c (pass_build_ssa::execute): Run
5283         update_address_taken before going into SSA.
5285 2019-05-15  Richard Biener  <rguenther@suse.de>
5287         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
5288         as __BIT_FIELD_REF with type with -gimple.
5290 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
5292         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
5293         semantically equivalent branches (left over after prior refactorings).
5295 2019-05-15  Richard Biener  <rguenther@suse.de>
5297         PR tree-optimization/88828
5298         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
5299         bogus check.
5301 2019-05-14  Richard Biener  <rguenther@suse.de>
5303         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
5304         as __VIEW_CONVERT with -gimple.
5306 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
5308         PR target/82920
5309         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
5310         Darwin.
5312 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
5314         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
5315         define_split to become a define_insn_and_split.
5317 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
5319         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
5320         arguments.
5321         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
5322         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
5323         (sibcall_epilogue): Adjust.
5324         (epilogue): Adjust.
5326 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5328         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
5329         to unsupported ones.
5330         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
5331         * config.host: Likewise.
5332         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
5333         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
5334         __svr4__]: Remove "brand" fallback.
5335         [!KSTAT_DATA_STRING]: Remove.
5336         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
5337         to *-*-solaris2*.
5338         (comdat_group): Likewise.
5339         (set_have_as_tls): Likewise.
5340         (gcc_cv_target_dl_iterate_phdr): Likewise.
5341         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
5342         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
5343         * configure: Regenerate.
5344         * doc/install.texi: Simplify Solaris target triplets.
5345         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
5346         (Specific, *-*-solaris2*): Document Solaris 10 removal.
5347         Remove Solaris 10 references.
5348         Remove obsolete Solaris bug reference.
5349         (Specific, sparc-sun-solaris2.10): Remove.
5351 2019-05-14  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5353         * config/i386/i386.md (any_div): New code iterator.
5354         (paired_mod): New code attribute.
5355         (sgnprefix): Handle DIV and UDIV RTXes.
5356         (u): Ditto.
5357         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
5358         and udivmod<mode>4 patterns using any_div code iterator.
5359         (divmod splitters): Macroize splitters using any_div code iterator.
5360         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
5361         (*udivmodsi4_pow2_zext_2): Ditto.
5362         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
5363         and *udivmod<mode>4_noext patterns using any_div code iterator.
5364         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
5365         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
5366         patterns using any_div code iterator.
5367         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
5368         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
5369         patterns using any_div code iterator.
5370         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
5371         udivmodhiqi3 patterns using any_extend code iterator.
5373 2019-05-14  Richard Biener  <rguenther@suse.de>
5374             H.J. Lu  <hongjiu.lu@intel.com>
5376         PR tree-optimization/88828
5377         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
5378         permuting in a single non-constant element not extracted
5379         from a vector.
5381 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
5383         * internal-fn.def (SIGNBIT): New.
5384         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
5385         defined.
5386         (signbitv4sf2): Likewise.
5388 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
5390         PR target/90357
5391         * config/mips/mips.c (mips_split_move): Skip forward SRC into
5392         next insn when the SRC reg is dead.
5394 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
5396         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
5397         (alloc_cand_and_find_basis): Ditto.
5398         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
5399         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
5400         (create_add_imm_cand, slsr_process_cast): Ditto.
5401         (slsr_process_copy, replace_mult_candidate): Ditto.
5402         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
5403         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
5404         (pass_strength_reduction::execute): Init the first NULL element.
5406 2019-05-13  Nathan Sidwell  <nathan@acm.org>
5408         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
5409         (run_attempt): Reformat line break.
5411 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
5413         PR target/90418
5414         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
5415         data registers in sibcall epilogues.
5416         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
5418 2019-05-13  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5420         PR target/89221
5421         * configure.ac (--enable-frame-pointer):
5422         Disable by default for cygwin and mingw.
5423         * configure: Regenerate.
5425 2019-05-13  Nathan Sidwell  <nathan@acm.org>
5427         * dwarf2out.c (breakout_comdat_types): Move comment to correct
5428         piece of code.
5429         (const_ok_for_output_1): Balance parens around #if/#else/#endif
5430         (gen_member_die): Move abstract origin check earlier.  Only VARs
5431         can be static_inline_p.  Simplify splicing control flow.
5433 2019-05-13  Richard Biener  <rguenther@suse.de>
5435         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
5436         VIEW_CONVERT_EXPR.
5437         (vect_build_slp_tree_1): Likewise.
5439 2019-05-13  Richard Biener  <rguenther@suse.de>
5441         PR tree-optimization/90402
5442         * tree-if-conv.c (tree_if_conversion): Value number only
5443         the loop body by making the latch an exit of the region
5444         as well.
5445         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
5446         processing PHIs.
5447         (do_rpo_vn): Deal with multiple edges into the entry block
5448         that are not backedges inside the region by skipping PHIs
5449         of the entry block.
5451 2019-05-13  Richard Biener  <rguenther@suse.de>
5453         PR tree-optimization/90316
5454         * tree-ssa-pre.c (insert_aux): Fold into ...
5455         (insert): ... this function.  Use a RPO walk to reduce the
5456         number of required iterations.
5458 2019-05-13  Martin Liska  <mliska@suse.cz>
5460         PR tree-optimization/90416
5461         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
5462         string instead of passing the second part as va_arg argument.
5464 2019-05-13  Martin Liska  <mliska@suse.cz>
5466         PR gcov-profile/90380
5467         * gcov.c (handle_cycle): Do not support zero cycle count,
5468         it should not be possible.
5469         (path_contains_zero_cycle_arc): New function.
5470         (circuit): Ignore zero cycle arc counts.
5472 2019-05-13  Martin Liska  <mliska@suse.cz>
5474         PR gcov-profile/90380
5475         * gcov.c (enum loop_type): Remove the enum and
5476         the operator.
5477         (handle_cycle): Assert that we should not reach
5478         a negative count.
5479         (circuit): Use loop_found instead of a tri-state loop_type.
5480         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
5481         happen.
5483 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
5485         PR target/82920
5486         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
5487         (ix86_output_indirect_branch_via_reg): Use output mechanism
5488         accounting for __USER_LABEL_PREFIX__.
5489         (ix86_output_indirect_branch_via_push): Likewise.
5490         (ix86_output_function_return): Likewise.
5491         (ix86_output_indirect_function_return): Likewise.
5493 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
5495         * doc/md.texi: Document use of code attributes in rtx patterns.
5496         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
5497         * read-rtl.c (find_code): Split out search loops into...
5498         (maybe_find_code): ...this new function.
5499         (check_code_iterator): Make the error message more informative.
5500         (check_code_attribute): New function.
5501         (rtx_reader::rtx_alloc_for_name): Likewise.
5502         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
5503         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
5504         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
5505         <max_opp> directly as an rtx code instead of via a match_operator.
5506         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
5507         (<su>abd<mode>_3): Update accordingly.
5509 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
5511         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
5512         is given, print the state of the EH "save world" computation for
5513         Darwin.
5515 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
5517         PR c++/59813
5518         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
5519         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
5521 2019-05-11  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5523         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
5524         Use pinsrd for TARGET_SSE4_1.
5525         * config/i386/sse.md (movdi_to_sse): Ditto.
5527 2019-05-10  Richard Biener  <rguenther@suse.de>
5529         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
5530         (do_rpo_vn): Initialize next_value_id.
5532 2019-05-10  Martin Liska  <mliska@suse.cz>
5534         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
5535         Fix plural form.
5537 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
5539         PR tree-optimization/90385
5540         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
5541         arguments of the exit phis.
5543         PR c++/90383
5544         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
5545         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
5546         id->do_not_fold.
5547         (copy_tree_body_r): Likewise.
5548         (copy_fn): Set id.do_not_fold to true.
5550 2019-05-10  Martin Liska  <mliska@suse.cz>
5552         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
5553         Reapply changes from r269790.
5555 2019-05-10  Martin Liska  <mliska@suse.cz>
5557         PR middle-end/90340
5558         * doc/invoke.texi: New params.
5559         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
5560         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
5561         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
5562         Use it.
5563         * tree-switch-conversion.h (struct jump_table_cluster):
5564         Likewise.
5566 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
5568         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
5570 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
5572         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
5574 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
5576         PR rtl-optimization/88879
5577         * sel-sched.c (sel_target_adjust_priority): Remove assert.
5579 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
5581         PR target/90405
5582         * config/arm/arm.c (callee_saved_reg_p): Move before
5583         thumb_find_work_register.
5584         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
5585         thumb_find_work_register.  Only call df_get_live_out once.
5586         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
5587         (thumb_find_work_register): Use
5588         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
5589         algorithms to locate a spare call clobbered reg.
5591 2019-05-09  Martin Liska  <mliska@suse.cz>
5593         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
5594         and MAX_EXPR in GIMPLE FE format.
5596 2019-05-09  Martin Liska  <mliska@suse.cz>
5598         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
5599         * gimple-pretty-print.c (dump_gimple_bb_header):
5600         Dump BB count.
5601         (pp_cfg_jump): Dump edge probability.
5602         * profile-count.c (profile_quality_as_string): Simplify
5603         with a static array.
5604         (parse_profile_quality): New function.
5605         (profile_count::dump): Simplify with a static array.
5606         (profile_count::from_gcov_type): Add new argument.
5607         * profile-count.h (parse_profile_quality): Likewise.
5608         * predict.h (set_hot_bb_threshold): New.
5609         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
5610         New param.
5611         * predict.c (get_hot_bb_threshold): Set from the new param.
5612         (set_hot_bb_threshold): New.
5614 2019-05-09  Richard Biener  <rguenther@suse.de>
5616         PR tree-optimization/90395
5617         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
5618         rewrite vector stores that throw internally.
5620 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
5622         * cif-code.def (CHKP): Remove.
5624         PR target/89221
5625         * configure.ac (--enable-frame-pointer): Disable by default for
5626         GNU systems.
5627         * configure: Regenerate.
5629 2019-05-09  Alan Modra  <amodra@gmail.com>
5631         PR target/89271
5632         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
5633         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
5634         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
5635         cost for general <-> vsx when direct moves are available.
5636         Cost union classes at minimal cost for any reg in the class.
5637         Correct calculation for moves between vsx, float, and altivec.
5638         Don't return a low cost for moves between special regs.  Don't
5639         use hard coded register numbers.
5640         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
5641         (rs6000_ira_change_pseudo_allocno_class): New function.
5642         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
5643         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
5644         alternatives.
5645         (movsi_internal1): Don't disparage vector alternatives.
5646         (mov<mode>_internal): Likewise, excepting alternative that
5647         will be split.
5648         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
5649         we <- b alternative.
5651 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
5653         PR c++/59813
5654         PR tree-optimization/89060
5655         * tree-ssa-live.h (live_vars_map): New typedef.
5656         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
5657         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
5658         (struct compute_live_vars_data): New type.
5659         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
5660         live_vars_at_stmt, destroy_live_vars): New functions.
5661         * tree-tailcall.c: Include tree-ssa-live.h.
5662         (live_vars, live_vars_vec): New global variables.
5663         (find_tail_calls): Perform variable life analysis before punting.
5664         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
5665         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
5666         member.
5667         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
5668         Perform variable life analysis to select variables that really need
5669         clobbers added.
5670         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
5671         instead set id->eh_landing_pad_dest and assert it is the same.
5672         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
5674 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
5675             Richard Earnshaw  <rearnsha@arm.com>
5677         PR target/88167
5678         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
5679         function.
5680         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
5681         (thumb1_compute_save_core_reg_mask): Don't force a spare work
5682         register if both the epilogue and prologue can use call-clobbered
5683         regs.
5684         (thumb1_unexpanded_epilogue): Use
5685         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
5686         picking temporaries for restoring high regs to match that of the
5687         prologue where possible.
5688         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
5689         the list of work registers.  Detect if the return address is still live
5690         at the end of the prologue and avoid using it for a work register if so.
5691         If the return address is not live, add LR to the list of pushable regs
5692         after the first pass.
5694 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
5696         PR tree-optimization/90078
5697         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
5698         (INFTY): Increase the value for infinite cost.
5699         (struct comp_cost): Promote type of members to int64_t.
5700         (infinite_cost): Don't set complexity in initialization.
5701         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
5702         overflows to infinite_cost.
5703         (adjust_setup_cost): Promote type of parameter and cost computation
5704         to int64_t.
5705         (struct ainc_cost_data, struct iv_ca): Promote type of member to
5706         int64_t.
5707         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
5708         cost computation to int64_t.
5709         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
5710         int64_t's format specifier in dump.
5712 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
5714         PR tree-optimization/90240
5715         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
5716         with respect to scaling factor pre-computed for each basic block.
5717         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
5718         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
5719         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
5720         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
5721         live range for array of loop's basic blocks.  Cleanup aux field of
5722         loop's basic blocks.
5724 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
5726         PR tree-optimization/90356
5727         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
5729 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
5731         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
5732         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
5733         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
5734         (ix86_handle_option): Handle -mavx512bf16.
5735         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
5736         to extra_headers.
5737         * config/i386/avx512bf16vlintrin.h: New.
5738         * config/i386/avx512bf16intrin.h: New.
5739         * config/i386/cpuid.h (bit_AVX512BF16): New.
5740         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
5741         * config/i386/i386-builtin-types.def: Add new types.
5742         * config/i386/i386-builtin.def: Add new builtins.
5743         * config/i386/i386-c.c (ix86_target_macros_internal): Define
5744         __AVX512BF16__.
5745         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
5746         (ix86_option_override_internal): Handle BF16.
5747         (ix86_valid_target_attribute_inner_p): Ditto.
5748         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
5749         * config/i386/i386-builtin.c (enum processor_features): Add
5750         F_AVX512BF16.
5751         (static const _isa_names_table isa_names_table): Ditto.
5752         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
5753         (PTA_AVX512BF16): Ditto.
5754         * config/i386/i386.opt: Add -mavx512bf16.
5755         * config/i386/immintrin.h: Include avx512bf16intrin.h
5756         and avx512bf16vlintrin.h.
5757         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
5758         avx512f_cvtneps2bf16_<mode><mask_name>,
5759         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
5760         * config/i386/subst.md (mask_half): Add new subst.
5761         * doc/invoke.texi: Document -mavx512bf16.
5763 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
5765         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
5766         Delete declaration.
5767         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
5768         (rs6000_debug_legitimize_reload_address): Delete.
5769         (rs6000_legitimize_reload_address_ptr): Delete.
5770         (rs6000_option_override_internal): Adjust.
5771         (mem_operand_gpr): Adjust comment.
5772         (legitimate_lo_sum_address_p): Ditto.
5773         (rs6000_legitimize_reload_address): Delete.
5774         (rs6000_debug_legitimize_reload_address): Delete.
5775         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
5777 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5779         PR target/89765
5780         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5781         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
5782         to compute vector element selector for both constant and variable
5783         operands.
5785 2019-05-07  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5787         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
5788         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
5789         ashrdi3_cvt using SWI48 mode iterator.
5791 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
5793         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
5794         (aarch64_<su>abd<mode>_3): Likewise.
5795         (*aarch64_<su>abd<mode>_3): New define_insn.
5796         (<sur>sad<vsi2qi>): New define_expand.
5797         * config/aarch64/iterators.md: Added MAX_OPP attribute.
5798         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
5799         (build_vect_cond_expr): Likewise.
5801 2019-05-07  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5803         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
5804         clobbers outside of accessible_reg_set.
5805         * config/i386/i386.c (ix86_conditional_register_usage):
5806         Disable register sets by clearing corresponding bits in
5807         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
5808         call_used_regs and don't clear corresponding reg_names array members.
5810 2019-05-07  Richard Biener  <rguenther@suse.de>
5812         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
5813         not specified still compute a comp_vectype for invariant
5814         compares.
5816 2019-05-07  Richard Biener  <rguenther@suse.de>
5818         PR tree-optimization/90316
5819         * tree-ssa-pre.c (translate_vuse_through_block): When
5820         same_valid is NULL do not bother to search for a virtual
5821         PHI continuation.
5822         (phi_translate_1): When operands changed we cannot keep
5823         the same value-number so do not bother to ask whether
5824         that's possible from translate_vuse_through_block.
5826 2019-05-07  Martin Liska  <mliska@suse.cz>
5828         * bitmap.c (bitmap_register): Come up with
5829         alloc_descriptor_max_uid and assign it for
5830         a new bitmap.
5831         (register_overhead): Use get_descriptor as
5832         a descriptor.
5833         (release_overhead): New.
5834         (bitmap_elem_to_freelist): Call it.
5835         (bitmap_elt_clear_from): Likewise.
5836         (bitmap_obstack_free): Likewise.
5837         (bitmap_move): Sensitively release memory.
5838         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
5839         (bitmap_initialize): Initialize alloc_descriptor to zero.
5840         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
5842 2019-05-07  Richard Biener  <rguenther@suse.de>
5844         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
5845         we build a SLP node.  Remove max_size and limiting.
5846         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
5848 2019-05-07  Richard Biener  <rguenther@suse.de>
5850         PR tree-optimization/90316
5851         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
5852         limit by reference.
5853         (walk_non_aliased_vuses): Take walking limit argument.
5854         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
5855         walking if it is reached instead of just counting.
5856         (get_continuation_for_phi): Likewise.
5857         (walk_non_aliased_vuses): Likewise, instead of leaving counter
5858         limiting to the callback.
5859         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
5860         (vn_reference_lookup_3): Likewise.
5861         (vn_reference_lookup_pieces): Likewise.
5862         (vn_reference_lookup): Likewise.
5863         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
5864         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
5865         (avail_exprs_stack::lookup_avail_expr): Likewise.
5867 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
5869         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
5870         for comparaible types in the second direction even if first one
5871         hits incomparable type.
5873 2019-05-07  Richard Biener  <rguenther@suse.de>
5875         PR lto/90369
5876         * lto-wrapper.c (debug_objcopy): Use the original filename
5877         including archive offset for the filename used for -save-temps.
5879 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
5881         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
5882         detection.
5884 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
5885             Hongtao Liu  <hongtao.liu@intel.com>
5887         PR target/89750
5888         PR target/86444
5889         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
5890         Modified, original implementation isn't correct.
5892 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
5894         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
5895         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
5896         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
5897         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
5898         (FRAME_POINTER_REGNUM): Change numbering.
5899         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
5900         (alt_reg_names): Adjust.
5901         (rs6000_conditional_register_usage): Don't mark hard register 64 as
5902         fixed.
5903         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
5904         (DWARF_FRAME_REGISTERS): Delete.
5905         (DWARF2_FRAME_REG_OUT): Fix whitespace.
5906         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5907         Adjust.
5908         (REG_ALLOC_ORDER): Adjust.
5909         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
5910         (REG_CLASS_CONTENTS): Adjust.
5911         (RETURN_ADDR_RTX): Change comment.
5912         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
5913         instead of 67.
5914         (REGISTER_NAMES): Adjust.
5915         (ADDITIONAL_REGISTER_NAMES): Adjust.
5916         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
5918 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
5920         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
5921         Delete.
5922         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
5923         (DWARF_FRAME_REGISTERS): Adjust.
5924         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5925         Adjust.
5926         (REG_ALLOC_ORDER): Adjust.
5927         (enum reg_class): Delete SPR_REGS.
5928         (REG_CLASS_NAMES): Delete SPR_REGS.
5929         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
5930         (REGISTER_NAMES): Adjust.
5931         (ADDITIONAL_REGISTER_NAMES): Adjust.
5932         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
5933         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
5934         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
5935         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
5936         (htm_spr_regno): Delete.
5937         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
5938         argument.
5939         (rs6000_dbx_register_number): Adjust.
5941 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
5943         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
5945 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
5947         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
5948         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
5950 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
5952         PR tree-optimization/88709
5953         PR tree-optimization/90271
5954         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
5955         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
5956         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
5957         variable.
5958         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
5959         of the store merging group is larger than
5960         PARAM_STORE_MERGING_MAX_SIZE parameter.
5961         (split_group): Add bzero_first argument.  If set, always emit first
5962         the first store which must be = {} of the whole area and then for the
5963         rest of the stores consider all zero bytes as paddings.
5964         (imm_store_chain_info::output_merged_store): Check if first store
5965         is = {} of the whole area and if yes, determine which setting of
5966         bzero_first for split_group gives smaller number of stores.  Adjust
5967         split_group callers.
5968         (lhs_valid_for_store_merging_p): Allow decls.
5969         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
5970         no elts.
5971         (pass_store_merging::process_store): Likewise.
5973 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5975         PR target/89424
5976         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
5977         handling of V1TImode.
5979 2019-05-06  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5981         PR target/89221
5982         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
5983         and enable_frame_pointer ...
5984         * configure.ac: ... here.  Update help strings for
5985         --enable-frame-pointer.
5986         * configure: Regenerate.
5987         * config/i386/i386-options.c (ix86_option_override_internal): Remove
5988         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
5989         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
5990         (USE_X86_64_FRAME_POINTER): Ditto.
5992 2019-05-06  Martin Liska  <mliska@suse.cz>
5994         * config.gcc: Append to target_gtfiles and fix indentation.
5996 2019-05-06  Richard Biener  <rguenther@suse.de>
5998         PR tree-optimization/90358
5999         * tree-vect-stmts.c (get_group_load_store_type): Properly
6000         detect unused upper half of load.
6001         (vectorizable_load): Likewise.
6003 2019-05-06  Richard Biener  <rguenther@suse.de>
6005         PR tree-optimization/88828
6006         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
6007         (simplify_vector_constructor): ...here.  Handle constants in
6008         the constructor.
6010 2019-05-06  Richard Biener  <rguenther@suse.de>
6012         PR tree-optimization/90328
6013         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
6014         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
6015         is valid in the loop nest before using it.
6016         (initialize_data_dependence_relation): Adjust.
6017         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
6018         loop as loop-nest to dr_may_alias_p.
6020 2019-05-06  Richard Biener  <rguenther@suse.de>
6022         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
6024 2019-05-06  Richard Biener  <rguenther@suse.de>
6026         PR tree-optimization/90316
6027         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
6028         compute target on demand.
6029         (get_continuation_for_phi): Remove code walking stmts to
6030         get to a target virtual operand which could end up being
6031         quadratic.
6033 2019-05-06  Martin Liska  <mliska@suse.cz>
6035         PR sanitizer/90312
6036         * config/i386/i386-options.c (ix86_option_override_internal): Error only
6037         when -mabi is selected to a non-default version.
6039 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
6040             Martin Liska  <mliska@suse.cz>
6042         * Makefile.in: Add lto-dump.texi.
6043         * cgraph.h: Add new functions get_visibility_string and
6044         get_symtab_type_string.
6045         * doc/gcc.texi: Include lto-dump section.
6046         * doc/lto-dump.texi: New file.
6047         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
6048         (parse_dump_option): Factor out this function.
6049         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
6050         (parse_dump_option): Export the function.
6051         * symtab.c (symtab_node::get_visibility_string): New function.
6052         (symtab_node::get_symtab_type_string): Likewise.
6054 2019-05-06  Martin Liska  <mliska@suse.cz>
6056         * config/i386/i386-builtins.c: New file.
6057         * config/i386/i386-builtins.h: New file.
6058         * config/i386/i386-expand.c: New file.
6059         * config/i386/i386-expand.h: New file.
6060         * config/i386/i386-features.c: New file.
6061         * config/i386/i386-features.h: New file.
6062         * config/i386/i386-options.c: New file.
6063         * config/i386/i386-options.h: New file.
6064         * config.gcc: Add new files into extra_objs and
6065         target_gtfiles.
6066         * config/i386/i386.c: Split content of the file
6067         into newly introduced files.
6068         * config/i386/i386.h: Declare common variables
6069         and macros.
6070         * config/i386/t-i386: Define dependencies for new files.
6072 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
6074         PR target/89400
6075         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
6076         Restrict 'all' variant to 32-bit configurations.
6077         (unaligned_loadhiu): Likewise.
6078         (unaligned_storehi): Likewise.
6079         (unaligned_storesi): Likewise.
6080         (unaligned_loadhis): Disable when compiling for thumb1.
6082 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
6084         PR tree-optimization/90269
6085         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
6086         Ignore clobbers.
6088 2019-05-03  Martin Liska  <mliska@suse.cz>
6090         * hash-map.h: Add is_empty function.
6091         * hash-set.h: Likewise.
6092         * hash-table.h: Likewise.
6093         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
6094         elements () == 0 (and similar usages).
6095         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
6096         * gimplify.c (gimplify_bind_expr): Likewise.
6097         (gimplify_switch_expr): Likewise.
6098         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
6099         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
6100         * postreload-gcse.c (dump_hash_table): Likewise.
6101         (gcse_after_reload_main): Likewise.
6102         * predict.c (combine_predictions_for_bb): Likewise.
6103         * tree-parloops.c (reduction_phi): Likewise.
6104         (separate_decls_in_region): Likewise.
6105         (transform_to_exit_first_loop): Likewise.
6106         (gen_parallel_loop): Likewise.
6107         (gather_scalar_reductions): Likewise.
6108         (try_create_reduction_list): Likewise.
6109         * var-tracking.c (dump_vars): Likewise.
6110         (emit_notes_for_changes): Likewise.
6111         (vt_emit_notes): Likewise.
6113 2019-05-03  Richard Biener  <rguenther@suse.de>
6115         PR tree-optimization/90316
6116         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
6117         before running VN.
6119 2019-05-03  Richard Biener  <rguenther@suse.de>
6121         * tree-vect-stmts.c (get_group_load_store_type): Avoid
6122         peeling for gaps by loading only lower halves of vectors
6123         if possible.
6124         (vectorizable_load): Likewise.
6126 2019-05-03  Richard Biener  <rguenther@suse.de>
6128         PR middle-end/89518
6129         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
6131 2019-05-03  Richard Biener  <rguenther@suse.de>
6133         PR middle-end/87314
6134         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
6135         Handle STRING_CST vs DECL or STRING_CST.
6137 2019-05-03  Richard Biener  <rguenther@suse.de>
6139         PR tree-optimization/88963
6140         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
6141         vector loads feeding only BIT_FIELD_REFs to component
6142         loads.  Rewrite stores fed by CONSTRUCTORs to component
6143         stores.
6145 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
6147         * opts.h (finish_options): Remove lang_mask argument.
6148         (print_help, help_option_argument): Declare.
6149         * opts.c (print_help): Remove forward declaration, no longer static.
6150         (finish_options): Remove lang_mask argument, don't call print_help
6151         here.
6152         * opts-global.c (decode_options): Adjust finish_option caller, call
6153         print_help here.
6155         PR tree-optimization/90303
6156         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
6157         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
6159 2019-05-03  Richard Biener  <rguenther@suse.de>
6161         PR tree-optimization/89698
6162         * gimple-fold.c (canonicalize_constructor_val): Early out
6163         for constants, handle unfolded INTEGER_CSTs as they appear in
6164         C++ virtual table ctors.
6166 2019-05-03  Richard Biener  <rguenther@suse.de>
6168         * passes.c (execute_function_todo): Remove dead code.
6170 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
6172         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
6173         the internal register number, for any "real" register.
6175 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
6177         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
6178         correct numbers for TFHAR, TFIAR, TEXASR.
6180 2019-05-02  Richard Biener  <rguenther@suse.de>
6182         PR tree-optimization/89653
6183         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
6184         update-address-taken before the pass.
6185         * passes.def (pass_tree_loop_init): Put comment before it.
6187 2019-05-02  Richard Biener  <rguenther@suse.de>
6189         PR tree-optimization/89509
6190         * tree-ssa-structalias.c (compute_dependence_clique): Look
6191         at the first subvar when determining whether it is restrict.
6193 2019-05-02  Richard Biener  <rguenther@suse.de>
6195         PR tree-optimization/90273
6196         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
6197         useless debug stmts.
6199 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
6201         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
6202         ACLE branch.
6203         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
6204         SVE ACLE branch.
6205         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
6206         VEC_COND_EXPR be inserted to emulate a conditional internal function.
6207         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
6208         (vectorizable_reduction): Use the functions above to vectorize in a
6209         fully masked loop codes that don't have a conditional internal
6210         function.
6212 2019-05-02  Martin Liska  <mliska@suse.cz>
6214         * cgraphclones.c: Call valid_attribute_p with 1 for
6215         target_clone.
6216         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
6217         it's for target attribute.
6218         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
6219         Add new boolean argument.
6220         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
6221         Likewise.
6222         (ix86_valid_target_attribute_tree): Pass target_clone_attr
6223         to ix86_valid_target_attribute_inner_p.
6224         (ix86_valid_target_attribute_p): Pass flags argument to
6225         ix86_valid_target_attribute_inner_p.
6226         (get_builtin_code_for_version): Use 0 as it's target attribute.
6228 2019-05-02  Martin Liska  <mliska@suse.cz>
6230         * gcc.c (process_command): Add dummy file only
6231         if n_infiles == 0.
6232         * opts-global.c (decode_options): Pass lang_mask.
6233         * opts.c (print_help): New function.
6234         (finish_options): Print --help if help_option_argument
6235         is set.
6236         (common_handle_option): Factor out content of OPT__help_
6237         into print_help.
6238         * opts.h (finish_options): Add new argument.
6240 2019-05-02  Martin Liska  <mliska@suse.cz>
6242         PR target/88809
6243         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
6244         With -minline-all-stringops use inline expansion using 4B loop.
6245         * doc/invoke.texi: Document the change of
6246         -minline-all-stringops.
6248 2019-05-01  Jeff Law  <law@redhat.com>
6250         PR tree-optimization/88797
6251         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
6252         PHI feeds a conditional on the RHS of an assignment.
6254 2019-04-30  Andrew Waterman  <andrew@sifive.com>
6255             Jim Wilson  <jimw@sifive.com>
6257         * config/riscv/constraints.md (L): New.
6258         * config/riscv/predicates.md (lui_operand): New.
6259         (sfb_alu_operand): New.
6260         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
6261         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
6262         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
6263         * config/riscv/risc.md (type): Add sfb_alu.
6264         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
6265         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
6266         (branch_zero<mode>): Delete.
6267         (mov<mode>cc): New.
6268         (mov<GPR:mode><X:mode>cc): Likewise.
6269         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
6271 2019-04-30  Nathan Sidwell  <nathan@acm.org>
6273         * tree.h (MARK_TS_EXP): New.
6275 2019-04-30  Martin Liska  <mliska@suse.cz>
6277         * opts.c (enable_warning_as_error): Provide hints
6278         for unknown options.
6280 2019-04-30  Martin Liska  <mliska@suse.cz>
6282         PR debug/90288
6283         * doc/invoke.texi: Add missing dash for gas-locview-support
6284         and gno-as-locview-support.
6286 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
6288         PR target/89093
6289         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
6290         whitespace at the start of target attribute string.
6292 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6294         PR target/86538
6295         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
6296         Define __ARM_FEATURE_ATOMICS.
6298 2019-04-30  Martin Liska  <mliska@suse.cz>
6300         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
6301         into built_in_function enum. Remove code for endp == 2 and
6302         use BUILT_IN_* constants.
6303         (gimple_fold_builtin): Call the function with fcode.
6305 2019-04-30  Martin Liska  <mliska@suse.cz>
6307         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
6308         DECL_FUNCTION_CODE into ix86_builtins enum before
6309         the switch statement.
6311 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
6313         PR tree-optimization/89475
6314         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
6315         calls.
6317 2019-04-30  Martin Liska  <mliska@suse.cz>
6319         PR translation/90274
6320         * opts.c (print_filtered_help): Wrap string in _(...).
6322 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
6324         PR tree-optimization/90240
6325         Revert:
6326         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
6328         PR tree-optimization/90078
6329         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
6330         checks for infinite_cost overflow.
6332 2019-04-29  Jeff Law  <law@redhat.com>
6334         * passes.def: Move -Wrestrict pass after copy propagation.
6336 2019-04-29  Maya Rashish  <coypu@sdf.org>
6338         * config.gcc (default_gnu_indirect_function): Default to yes
6339         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
6340         sparc*-*-netbsd*, x86_64-*-netbsd*.
6342 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
6344         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
6345         where cond2 is NE_EXPR.
6346         (is_value_included_in): Update comment.
6348 2019-04-29  Richard Biener  <rguenther@suse.de>
6350         PR tree-optimization/90278
6351         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
6352         EH on comparison simplification.
6354 2019-04-29  Jason Merrill  <jason@redhat.com>
6356         PR c++/82081 - tail call optimization breaks noexcept
6357         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
6358         nothrow function to a might-throw function into a tail call.
6360 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
6362         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
6363         (DDR_INNER_LOOP): Likewise.
6364         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
6365         (initialize_data_dependence_relation): Likewise.
6366         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
6368 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
6370         PR rtl-optimization/90257
6371         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
6372         return value.
6374         Revert the revert:
6375         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
6377         PR target/90178
6378         Revert:
6379         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
6381         Revert the revert:
6382         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
6384         Revert:
6385         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
6387         * lra-spills.c (lra_final_code_change): Remove useless move insns.
6389 2019-04-29  Richard Biener  <rguenther@suse.de>
6391         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
6392         rhs issue a reset.
6394 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
6396         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
6397         varasm.h, and netbsd-protos.h.
6399 2019-04-27  UroÅ¡ Bizjak  <ubizjak@gmail.com>
6401         PR target/89261
6402         * config/i386/i386-protos.h (ix86_data_alignment): Change
6403         the second argument type to unsigned int.
6404         * config/i386/i386.c (ix86_data_alignment): Change "align"
6405         argument type to unsigned int.
6407 2019-04-27  Martin Liska  <mliska@suse.cz>
6409         PR middle-end/90258
6410         * opt-suggestions.c (option_proposer::build_option_suggestions):
6411         When get_valid_option_values returns empty values, add the
6412         misspelling candidate.
6414 2019-04-26  Jim Wilson  <jimw@sifive.com>
6416         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
6417         parameter.
6418         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
6419         Pass orig_mode to riscv_build_integer.
6420         (riscv_split_integer): Pass mode to riscv_move_integer.
6421         (riscv_legitimize_const_move): Likewise.
6422         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
6423         promoted_mode.  Replace force_reg call with code to load constant into
6424         promoted reg and then subreg it for the store.
6425         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
6426         riscv_move_integer.
6428 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
6430         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
6431         corrupt codes.
6433 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
6435         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
6436         commentary about the encoding of precision.
6438 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
6440         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
6441         * config/i386/t-freebsd64: New file.
6442         * config.gcc: Add the t-freebsd64 for multilib support.
6444 2019-04-25  UroÅ¡ Bizjak  <ubizjak@gmail.com>
6446         * doc/extend.texi (vector_size): Add missing comma after @xref.
6448 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
6450         * BASE-VER: Set to 10.0.0.
6452 2019-04-25  Richard Biener  <rguenther@suse.de>
6454         PR middle-end/89765
6455         * gimplify.c (gimplify_expr): Avoid turning a lvalue
6456         VIEW_CONVERT_EXPR into one operating on an rvalue.
6458 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
6460         PR target/89929
6461         * config/i386/i386.c (feature_priority): Moved to file scope.
6462         (processor_features): Likewise.
6463         (processor_model): Likewise.
6464         (_arch_names_table): Likewise.
6465         (arch_names_table): Likewise.
6466         (_feature_list): Removed.
6467         (feature_list): Likewise.
6468         (_isa_names_table): Moved to file scope.  Add priority.
6469         (isa_names_table): Likewise.
6470         (get_builtin_code_for_version): Replace feature_list with
6471         isa_names_table.  Update error message for P_ZERO priority.
6473 2019-04-25  Richard Biener  <rguenther@suse.de>
6475         * tree-pass.h (make_pass_phi_only_cprop): Remove.
6476         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
6478 2019-04-24  Jeff Law  <law@redhat.com>
6480         PR tree-optimization/90037
6481         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
6482         * passes.def: Replace all instance of phi-only cprop with the
6483         lattice propagator.  Move propagation pass from after erroneous
6484         path isolation to before erroneous path isolation.
6485         * tree-ssa-phionlycprop.c: Remove.
6487 2019-04-24  Richard Biener  <rguenther@suse.de>
6489         PR middle-end/90213
6490         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
6491         by size and BITS_PER_UNIT on poly-wide-ints.
6493 2019-04-25  Richard Biener  <rguenther@suse.de>
6495         PR middle-end/90194
6496         * match.pd: Add pattern to simplify view-conversion of an
6497         empty constructor.
6499 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
6501         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
6502         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
6503         for Go on 32 bit AIX.
6504         * config/rs6000/aix72.h: Likewise.
6506 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
6508         PR target/90193
6509         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
6510         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
6512 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
6514         PR target/89952
6515         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
6516         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
6517         for restored hard frame pointer.
6518         (s390_sched_dependencies_evaluation): Implement new target hook.
6519         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
6521 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
6523         * config/arc/arc-options.def: Fix typos and spelling mistakes.
6524         * config/arc/arc.c (arc_init): Cleanup warning message.
6525         (arc_override_options): Likewise.
6527 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
6529         PR target/90187
6530         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
6531         a register if both if_true and if_false are MEMs.
6533         PR tree-optimization/90208
6534         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
6535         after labels of new_bb, not before them.
6537         PR tree-optimization/90211
6538         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
6539         which are not SSA_NAMEs.
6541 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
6543         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
6544         AArch64.
6545         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
6547 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
6549         PR rtl-optimization/87979
6550         * modulo-sched.c (sms_schedule): Start ii value "mii" should
6551         not equal zero.
6553 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
6555         PR rtl-optimization/84032
6556         * modulo-sched.c (ps_insn_find_column): Change condition so that
6557         branch will always be the last insn in a row inside partial
6558         schedule.
6560 2019-04-23  Richard Biener  <rguenther@suse.de>
6562         PR debug/90131
6563         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
6564         dest_single_pred_p argument.
6565         (remove_forwarder_block): Adjust.
6566         (remove_forwarder_block_with_phi): Likewise.
6568 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6569             Bernd Edlinger  <bernd.edlinger@hotmail.de>
6570             Jakub Jelinek  <jakub@redhat.com>
6572         PR target/89093
6573         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
6574         if used with general-regs-only.
6575         (arm_conditional_register_usage): Don't add non-general regs if
6576         general-regs-only.
6577         (arm_valid_target_attribute_rec): Handle general-regs-only.
6578         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
6579         general-regs-only.
6580         (TARGET_HARD_FLOAT_SUB): Define.
6581         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
6582         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
6583         (TARGET_REALLY_IWMMXT2): Likewise.
6584         * config/arm/arm.opt: Add -mgeneral-regs-only.
6585         * doc/extend.texi: Document ARM general-regs-only target.
6586         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
6588 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
6590         PR tree-optimization/90078
6591         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
6592         checks for infinite_cost overflow.
6594 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
6596         PR tree-optimization/90021
6597         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
6598         and check univariate against it.
6599         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
6600         * tree-data-ref.c (add_other_self_distances): Pass new argument.
6602 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
6604         PR target/90178
6605         Revert:
6606         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
6608         Revert the revert:
6609         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
6611         Revert:
6612         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
6614         * lra-spills.c (lra_final_code_change): Remove useless move insns.
6616 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
6618         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
6619         names using operand format, rather than hard-wired.
6620         (speculation_barrier): Likewise.
6622 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
6624         PR tree-optimization/88055
6625         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
6626         (gen_one_condition): Use it if !HONOR_NANS.
6628 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
6630         PR middle-end/90139
6631         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
6632         assign_temp instead of gen_reg_rtx.
6634 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
6636         PR translation/90118
6637         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6638         Add missing space before %<.
6640 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
6642         PR rtl-optimization/87871
6643         * ira-lives.c (make_object_dead): Don't add conflicts to
6644         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
6646 2019-04-18  Martin Sebor  <msebor@redhat.com>
6648         PR middle-end/89797
6649         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
6650         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
6651         assuming type size fits in SHWI.
6653 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
6655         PR ipa/85051
6656         * ipa-inline.c (flatten_function): New parameter UPDATE.
6657         (ipa_inline, early_inliner): Use it.
6659 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
6661         * fold-const.c (int_const_binop): Return early on failure.
6663 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
6665         PR middle-end/85164
6666         * combine.c (force_int_to_mode): Cast the argument rather than
6667         the result of known_alignment.
6668         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
6670 2019-04-18  Richard Biener  <rguenther@suse.de>
6672         PR debug/90131
6673         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
6674         out from ...
6675         (remove_forwarder_block): ... here.
6676         (remove_forwarder_block_with_phi): Also move debug stmts here.
6678 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
6680         PR translation/79183
6681         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
6682         inform where appropriate.
6684 2019-04-18  Richard Biener  <rguenther@suse.de>
6686         * tree.c (get_qualified_type): Put found type variants at the
6687         head of the variant list.
6689 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
6691         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
6693 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
6695         PR target/90125
6696         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
6697         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
6698         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
6699         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
6700         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
6702 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
6704         * ira-conflicts.c (print_allocno_conflicts): Always print something,
6705         even for allocno's with no conflicts.
6706         (print_conflicts): Print an extra newline.
6708 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
6710         * auto-inc-dec.c (attempt_change): Set the alignment of the
6711         temporary memory to that of the original.
6713 2019-04-17  Joao Moreira  <jmoreira@suse.de>
6715         * targhooks.c (default_print_patchable_function_entry): Emit
6716         __patchable_function_entries section with writable flags to allow
6717         relocation resolution.
6719 2019-04-17  Jonny Grant  <jg@jguk.org>
6721         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
6723 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
6725         PR middle-end/90095
6726         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
6727         on lowpart SUBREGs.
6729 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
6731         * config/arc/arc.c (arc_init): Format diagnostic string.
6732         (arc_override_options): Likewise.
6733         (check_if_valid_regno_const): Likewise.
6734         (arc_reorg): Likewise.
6736 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
6738         PR target/17108
6739         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
6740         name.
6741         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
6742         name.
6743         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
6744         (*movdi_update1): Use Pmode.
6745         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
6746         (movdi_<mode>_update_stack): Rename to ...
6747         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
6748         use Pmode.
6749         (*movsi_update1): Use Pmode.
6750         (*movsi_update2): Use Pmode.
6751         (movsi_update): Rename to ...
6752         (movsi_<mode>_update): ... this.  Use Pmode.
6753         (movsi_update_stack): Fix condition.
6754         (*movhi_update1): Use Pmode.  Fix argument to
6755         avoiding_indexed_address_p.
6756         (*movhi_update2): Ditto.
6757         (*movhi_update3): Ditto.
6758         (*movhi_update4): Ditto.
6759         (*movqi_update1): Ditto.
6760         (*movqi_update2): Ditto.
6761         (*movqi_update3): Ditto.
6762         (*movsf_update1, *movdf_update1): Merge, rename to...
6763         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
6764         avoiding_indexed_address_p.  Add "size" attribute.
6765         (*movsf_update2, *movdf_update2): Merge, rename to...
6766         (*mov<mode>_update2): This.  Ditto.
6767         (*movsf_update3): Use Pmode.  Fix argument to
6768         avoiding_indexed_address_p.
6769         (*movsf_update4): Ditto.
6770         (allocate_stack): Simplify condition.  Adjust pattern names.
6772 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
6774         PR target/89093
6775         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
6776         whitespace at the start of target attribute string.
6778 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
6780         PR target/84369
6781         * config/rs6000/power9.md: Add store forwarding bypass.
6783 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
6785         PR debug/89528
6786         * valtrack.c (dead_debug_insert_temp): Reset debug references
6787         to the return value of a call being removed.
6789 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6791         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
6792         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
6793         implement target hook.
6794         (arc_memory_move_cost): New function.
6795         (TARGET_REGISTER_MOVE_COST): Define.
6796         (TARGET_MEMORY_MOVE_COST): Likewise.
6797         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
6798         (MEMORY_MOVE_COST): Likewise.
6800 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6802         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
6803         (sibcall_value_insn): Likewise.
6804         * config/arc/constraints.md (Rs5): Remove.
6806 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6808         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
6809         for last two fake registers.
6810         (arc_conditional_register_usage): Make sure fake frame and arg
6811         pointer regs are in general regs class.
6812         (FRAME_POINTER_MASK): Remove.
6813         (RETURN_ADDR_MASK): Remove.
6814         (arc_must_save_register): Use hard frame regnum.
6815         (frame_restore_reg): Use hard_frame_pointer_rtx.
6816         (arc_save_callee_saves): Likewise.
6817         (arc_restore_callee_saves): Likewise.
6818         (arc_save_callee_enter): Likewise.
6819         (arc_restore_callee_leave): Likewise.
6820         (arc_save_callee_milli): Likewise.
6821         (arc_eh_return_address_location): Likewise.
6822         (arc_check_multi): Use hard frame regnum.
6823         (arc_can_eliminate): Likewise.
6824         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
6825         for register allocator.
6826         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
6827         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
6828         (FRAME_POINTER_REGNUM): Change it to a fake register.
6829         (HARD_FRAME_POINTER_REGNUM): Defined.
6830         (ARG_POINTER_REGNUM): Change it to a new fake register.
6831         (ELIMINABLE_REGS): Update.
6832         (REGISTER_NAMES): Update names.
6833         * config/arc/arc.md (LP_START): Remove.
6834         (LP_END): Likewise.
6835         (shift_si3_loop): Update pattern.
6837 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6839         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
6840         to avoid delay slot scheduling.
6841         (arc_must_save_register): Don't save SP.
6842         * config/arc/arc.md (stack_tie): Remove.
6843         (UNSPEC_ARC_STKTIE): Likewise.
6845 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
6846             Shiva Chen  <shiva0217@gmail.com>
6848         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
6849         code gen with large shift amount.
6851 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
6853         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
6854         subreg.
6856 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
6858         PR target/90096
6859         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
6860         print -m64/-mx32/-m32 if it is true.
6861         (ix86_debug_options, ix86_function_specific_print): Pass true as
6862         ADD_ABI_P to ix86_target_string.
6863         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
6864         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
6865         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
6867         PR rtl-optimization/90082
6868         * dce.c (can_delete_call): New function.
6869         (deletable_insn_p, mark_insn): Use it.
6871         PR tree-optimization/90090
6872         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
6873         throw internally.
6874         (is_division_by_square): Likewise.  Formatting fix.
6876 2019-04-16  Richard Biener  <rguenther@suse.de>
6878         PR tree-optimization/56049
6879         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
6880         equality check if alias-set zero will prevail.
6882 2019-04-15  Jeff Law  <law@redhat.com>
6884         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
6885         size and alignment as unsigned.
6887 2019-04-15  Richard Biener  <rguenther@suse.de>
6889         PR debug/90074
6890         * tree-loop-distribution.c (destroy_loop): Preserve correct
6891         debug info.
6893 2019-04-15  Richard Biener  <rguenther@suse.de>
6895         PR tree-optimization/90071
6896         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
6897         abnormal operands from def stmts.
6899 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
6901         PR rtl-optimization/89794
6902         * combine.c (count_auto_inc): New function.
6903         (try_combine): Count how many auto_inc expressions there were in the
6904         original instructions.  Ensure we have the same number in the new
6905         instructions.  Remove the code that tried to ensure auto_inc side
6906         effects on i1 and i0 are not lost.
6908 2019-04-15  Richard Biener  <rguenther@suse.de>
6910         PR ipa/88936
6911         * tree.h (auto_var_p): Declare.
6912         * tree.c (auto_var_p): New function, split out from ...
6913         (auto_var_in_fn_p): ... here.
6914         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
6915         member.
6916         (new_var_info): Initialize it.
6917         (set_uids_in_ptset): Also set the shadow variable uid if required.
6918         (ipa_pta_execute): Postprocess points-to solutions assigning
6919         shadow variable uids for locals that may reach their containing
6920         function recursively.
6921         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
6922         assert but instead check whether the points-to solution is
6923         a singleton.
6925 2019-04-15  Martin Jambor  <mjambor@suse.cz>
6927         PR ipa/pr89693
6928         * cgraph.c (clone_of_p): Loop over clone chain for each step in
6929         the thunk chain.
6931 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
6933         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
6935 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
6936             Kito Cheng  <kito.cheng@gmail.com>
6937             Shiva Chen  <shiva0217@gmail.com>
6939         * config/nds32/nds32-md-auxiliary.c
6940         (nds32_legitimize_pic_address): Use new PIC pattern.
6941         (nds32_legitimize_tls_address): Use new TLS pattern.
6942         (nds32_output_symrel): New.
6943         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
6944         (nds32_alloc_relax_group_id): Ditto.
6945         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
6946         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
6947         relax_group_id.
6948         (nds32_group_tls_insn): Ditto.
6949         (nds32_group_float_insns): Ditto.
6950         * config/nds32/nds32.md (tls_le): New.
6951         (sym_got): Ditto.
6953 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
6955         * configure: Add nds32 target for dwarf2 debug_line checking.
6956         * configure.ac: Regenerated.
6958 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
6960         PR lto/89358
6961         * ipa-devirt.c (skip_in_fields_list_p): New.
6962         (odr_types_equivalent_p): Use it.
6964 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
6966         PR target/89093
6967         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
6968         instead of strncmp when checking for thumb and arm.  Formatting fixes.
6970 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
6972         * doc/install.texi: Document --with-target-system-zlib.
6974 2019-04-12  Martin Sebor  <msebor@redhat.com>
6976         PR c/88383
6977         PR c/89288
6978         PR c/89798
6979         PR c/89797
6980         * targhooks.c (default_vector_alignment): Avoid assuming
6981         argument fits in SHWI.
6982         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
6983         a shift expression.
6984         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
6986 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
6988         PR rtl-optimization/89965
6989         * dce.c: Include rtl-iter.h.
6990         (struct check_argument_load_data): New type.
6991         (check_argument_load): New function.
6992         (find_call_stack_args): Check for loads from stack slots still tracked
6993         in sp_bytes and punt if any is found.
6995         * config/mips/loongson-mmiintrin.h: Fix up #error message.
6997 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
6999         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
7000         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
7002 2019-04-12  Martin Liska  <mliska@suse.cz>
7004         PR middle-end/89970
7005         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
7006         in error message.
7007         (separate_attrs): Handle multiple 'default's.
7008         (expand_target_clones): Rework error handling code.
7010 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7012         PR target/87532
7013         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
7014         mode of vector rather than mode of destination for move instruction.
7015         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
7016         Use QI inner mode with V16QI vector mode.
7018 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
7020         PR target/52726
7021         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
7022         "invalid %%t operand" in output_operand_lossage message.
7024 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
7026         * config/s390/predicates.md (permute_pattern_operand): New
7027         predicate.
7028         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
7029         operand for the permute pattern.
7030         ("*vec_perm<mode>"): New insn definition.
7031         ("bswap<mode>"): Generate the permute pattern operand in the
7032         expander and perform the operand reloads for pre arch13 level
7033         already.
7034         ("*bswap<mode>_emu"): Rename to ...
7035         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
7036         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
7037         Add the USE operand for the permute pattern.
7038         ("*vec_set_bswap_vec<mode>"): Likewise.
7040 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
7042         PR c/89946
7043         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
7044         and gcc_unreachable if it fails, just call tree_to_uhwi which
7045         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
7046         Start warning message with a lower-case letter.  Formatting fixes.
7048         PR rtl-optimization/90026
7049         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
7050         successors, look for BARRIERs inside of the whole BB_FOOTER chain
7051         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
7052         in cfglayout mode, use emit_barrier_after_bb.
7054 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
7056         PR rtl-optimization/87763
7057         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
7058         New Instruction.
7060 2019-04-11  Tom de Vries  <tdevries@suse.de>
7062         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
7063         max macro using statement expression.
7065 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
7067         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
7068         * xcoffout.c (xcoff_private_rodata_section_name): Define.
7069         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
7070         read_only_private_data_section using xcoff_private_rodata_section_name.
7071         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
7073 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
7075         PR target/90016
7076         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
7078 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
7080         PR rtl-optimization/89965
7081         * dce.c (sp_based_mem_offset): New function.
7082         (find_call_stack_args): Use sp_based_mem_offset.
7084 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
7086         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
7088 2019-04-11  Richard Biener  <rguenther@suse.de>
7090         PR tree-optimization/90020
7091         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
7092         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
7093         * tree-ssa-pre.c (compute_avail): Use it to not put
7094         possibly trapping references after a call that might not
7095         return into EXP_GEN.
7096         * gcse.c (compute_hash_table_work): Do not elide
7097         marking a block containing a call if the call might not
7098         return.
7100 2019-04-11  Richard Biener  <rguenther@suse.de>
7102         PR tree-optimization/90018
7103         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
7104         Test both SLP and interleaving variants.
7106 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
7108         * config/s390/8561.md: New file.
7109         * config/s390/driver-native.c (s390_host_detect_local_cpu):
7110         Add arch13 cpu model.
7111         * config/s390/s390-opts.h (enum processor_type): Likewise.
7112         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
7113         (s390_get_unit_mask): Likewise.
7114         (s390_is_fpd): Likewise.
7115         (s390_is_fxd): Likewise.
7116         * config/s390/s390.h (s390_tune_attr): Likewise.
7117         * config/s390/s390.md: Include arch13 pipeline description.
7118         * config/s390/s390.opt: Add arch13.
7120 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
7122         PR rtl-optimization/87763
7123         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
7124         New prototype.
7125         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
7126         New function.
7127         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
7128         New instruction.
7129         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
7130         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
7131         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
7132         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
7134 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
7136         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
7137         "Although" in -fipa-icf documentation.
7139         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
7140         of using multiple -g options.
7142 2019-04-10  Martin Liska  <mliska@suse.cz>
7144         PR gcov-profile/89959
7145         * doc/gcov.texi: Make documentation of -x option
7146         more precise.
7148 2019-04-10  Richard Biener  <rguenther@suse.de>
7150         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
7151         member.
7152         (DR_GROUP_SAME_DR_STMT): Remove.
7153         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
7154         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
7155         replace with assert.
7156         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
7157         (vect_record_grouped_load_vectors): Remove unreachable code.
7159 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
7161         PR target/90016
7162         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
7163         obsolete reference to N.
7165 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
7167         PR middle-end/90025
7168         * expr.c (store_expr): Set properly size on the MEM passed to
7169         clear_storage.
7171         PR c++/90010
7172         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
7173         with strlen in between hostsz-3 and hostsz-1 inclusive when no
7174         translation is needed, and when translation is needed, only append
7175         ... if the string length is hostsz or more bytes long.  Avoid using
7176         strncpy or strcat.
7178 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
7180         PR target/90024
7181         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
7182         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
7183         into three.
7184         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
7185         differences directly.
7186         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
7188 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
7190         PR translation/90011
7191         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
7192         from diagnostics.
7193         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
7194         diagnostics.
7195         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
7196         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
7197         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
7198         trailing space from -gsplit-dwarf diagnostics.
7200         PR tree-optimization/89998
7201         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
7202         instead of integer_type_node if possible, don't add ranges if return
7203         type is not compatible with int.
7204         * gimple-fold.c (gimple_fold_builtin_sprintf,
7205         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
7206         integer_type_node.
7208 2019-04-09  Martin Liska  <mliska@suse.cz>
7210         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
7211         * doc/install.texi: Document the new config.
7213 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
7215         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
7216         use gimple_expr_type for load and store calls.  Skip over the
7217         condition argument in a conditional internal function.
7218         Protect use of TREE_INT_CST_LOW.
7220 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
7222         PR target/90015
7223         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
7224         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
7225         trailing period from it too.
7227 2019-04-08  wu yuan  <wuyuan5@huawei.com>
7229         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
7230         * config/aarch64/aarch64.md : Add "tsv110.md"
7231         * config/aarch64/tsv110.md: New file.
7233 2019-04-08  Richard Biener  <rguenther@suse.de>
7235         PR tree-optimization/90006
7236         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
7237         calls like lrint.
7239 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
7241         PR target/83033
7242         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
7243         construction.
7244         (fma_root_node): Likewise.
7245         (func_fma_steering): Likewise.
7247 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
7249         PR rtl-optimization/89865
7250         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
7252         PR rtl-optimization/89865
7253         * config/i386/i386.md
7254         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
7255         numbers not to clash with the additional operands[4].
7256         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
7257         with extra register copy in the middle.
7259 2019-04-08  Martin Liska  <mliska@suse.cz>
7261         PR gcov-profile/89961
7262         * doc/gcov.texi: Document data_file.
7263         * gcov.c (generate_results): Add data_info into JSON output.
7265 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7267         PR tree-optimization/89725
7268         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
7269         loop's chrec as invariant symbol.
7270         * tree-chrec.h (chrec_contains_symbols): New parameter.
7271         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
7272         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
7273         function of loops not in DDR's loop_nest.
7274         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
7276 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
7278         PR target/89623
7279         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
7280         Mask.
7282 2019-04-07  UroÅ¡ Bizjak  <ubizjak@gmail.com>
7284         PR target/89945
7285         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
7286         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
7288 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
7290         * sched-deps.c (sched_macro_fuse_insns): Check return value of
7291         targetm.fixed_condition_code_regs.
7293 2019-04-05  Richard Biener  <rguenther@suse.de>
7295         PR debug/89892
7296         PR debug/89905
7297         * tree-cfgcleanup.c (remove_forwarder_block): Always move
7298         debug bind stmts but reset them if they are not valid at the
7299         destination.
7301 2019-04-05  Martin Liska  <mliska@suse.cz>
7303         PR translation/89936
7304         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
7305         order to wrap keywords or arguments.
7306         * collect2.c (main): Likewise.
7307         (scan_prog_file): Likewise.
7308         (scan_libraries): Likewise.
7309         * common/config/riscv/riscv-common.c
7310         (riscv_subset_list::parsing_subset_version): Likewise.
7311         (riscv_subset_list::parse_std_ext): Likewise.
7312         * config/aarch64/aarch64.c (aarch64_override_options_internal):
7313         Likewise.
7314         * config/arm/arm.c (arm_option_override): Likewise.
7315         * config/cris/cris.c (cris_print_operand): Likewise.
7316         * config/darwin-c.c (darwin_pragma_options): Likewise.
7317         (darwin_pragma_unused): Likewise.
7318         (darwin_pragma_ms_struct): Likewise.
7319         * config/ft32/ft32.c (ft32_print_operand): Likewise.
7320         * config/i386/i386.c (print_reg): Likewise.
7321         (ix86_print_operand): Likewise.
7322         * config/i386/xm-djgpp.h: Likewise.
7323         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
7324         * config/m32c/m32c.c (m32c_option_override): Likewise.
7325         * config/msp430/msp430.c (msp430_option_override): Likewise.
7326         * config/nds32/nds32.c (nds32_option_override): Likewise.
7327         * config/nvptx/mkoffload.c (main): Likewise.
7328         * config/rx/rx.c (rx_print_operand): Likewise.
7329         (valid_psw_flag): Likewise.
7330         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
7331         (vms_pragma_nomember_alignment): Likewise.
7332         (vms_pragma_extern_model): Likewise.
7333         * lto-wrapper.c (compile_offload_image): Likewise.
7334         * omp-offload.c (oacc_parse_default_dims): Likewise.
7335         * symtab.c (symtab_node::verify_base): Likewise.
7336         * tlink.c (recompile_files): Likewise.
7337         (start_tweaking): Likewise.
7338         * tree-profile.c (parse_profile_filter): Likewise.
7340 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
7342         PR tree-optimization/89956
7343         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
7344         multiple negates of the same value.
7346 2019-04-04  Martin Sebor  <msebor@redhat.com>
7348         PR middle-end/89957
7349         PR middle-end/89911
7350         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
7351         have the same precision since the function crashes otherwise.
7352         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
7353         has non-zero arguments.
7355 2019-04-04  Martin Sebor  <msebor@redhat.com>
7357         PR middle-end/89934
7358         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
7359         out if the number of arguments is less than expected.
7361 2019-04-04  Jeff Law  <law@redhat.com>
7363         PR rtl-optimization/89399
7364         * ree.c (combine_set_extension): Use single_set rather than
7365         digging into PATTERN for items on the candidate list.
7366         (combine_reaching_defs): Likewise.
7368 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
7370         PR rtl-optimization/46590
7371         * loop-invariant.c (find_defs): Move df_remove_problem and
7372         df_process_deferred_rescans to move_invariants.
7373         Move df_live_add_problem and df_live_set_all_dirty calls
7374         to move_invariants.
7375         (move_invariants): Likewise.
7376         (move_loop_invariants): Likewise, making the df_live calls
7377         conditional on -O.  Remove the problem again if we added it
7378         locally.
7380 2019-04-03  qing zhao  <qing.zhao@oracle.com>
7382         PR tree-optimization/89730
7383         * ipa-inline.c (can_inline_edge_p): Delete the checking for
7384         -flive-patching=inline-only-static.
7385         (can_inline_edge_by_limits_p): Add the checking for
7386         -flive-patching=inline-only-static and grant always_inline
7387         even when -flive-patching=inline-only-static is specified.
7389 2019-04-03  Jeff Law  <law@redhat.com>
7391         PR rtl-optimization/81025
7392         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
7394 2019-04-03  Richard Biener  <rguenther@suse.de>
7396         PR tree-optimization/84101
7397         * tree-vect-stmts.c: Include explow.h for hard_function_value,
7398         regs.h for hard_regno_nregs.
7399         (cfun_returns): New helper.
7400         (vect_model_store_cost): When vectorizing a store to a decl
7401         we return and the function ABI returns in a multi-reg location
7402         account for the possible spilling that will happen.
7404 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
7406         * config/s390/s390.c (s390_legitimate_address_p): Reject long
7407         displacement addresses for vector mode operands.
7409 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
7411         * config/arc/arc.c (GMASK_LEN): Define.
7412         (arc_restore_callee_saves): Restore first blink when
7413         !optimize_size.
7415 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
7417         * doc/extend.texi: Add deprecated comment on sign-return-address
7418         function attribute and add mbranch-protection.
7419         * doc/invoke.texi: Add bti to the options for mbranch-protection.
7421 2019-04-03  Richard Biener  <rguenther@suse.de>
7423         PR lto/89896
7424         * lto-wrapper.c (run_gcc): Avoid implicit rules making
7425         the all target phony.
7427 2019-04-02  UroÅ¡ Bizjak  <ubizjak@gmail.com>
7429         PR target/89902
7430         PR target/89903
7431         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
7432         Return false for variable DImode shifts.
7433         (dimode_scalar_chain::compute_convert_gain): Do not handle
7434         register count operand in variable DImode shifts.
7435         (dimode_scalar_chain::make_vector_copies): Remove support to copy
7436         count argument of a variable shift instruction to a vector register.
7437         (dimode_scalar_chain::convert_reg): Remove support to convert
7438         count argument of a variable shift instruction.
7440 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
7442         PR rtl-optimization/84206
7443         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
7444         iterating over loop headers.
7446 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
7448         PR rtl-optimization/85876
7449         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
7450         beyond the original fence.
7452 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
7454         * config.gcc: Mark spu* targets as deprecated/obsolete.
7456 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7458         * config/s390/s390-builtin-types.def: New builtin function type
7459         definitions. Remove unused types.
7460         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
7461         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
7462         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
7463         overloaded builtins.
7464         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
7465         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
7466         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
7467         (vec_double, vec_signed, vec_unsigned): Define to use the new
7468         overloaded builtins.
7469         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
7470         Remove expanders.
7472 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7474         * config/s390/s390-builtin-types.def: New builtin function type
7475         definitions.
7476         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
7477         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
7478         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
7479         (s390_vstrszh, s390_vstrszf): New low-level builtins.
7480         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
7481         constant definitions.
7482         * config/s390/vecintrin.h (vec_search_string_cc)
7483         (vec_search_string_until_zero_cc): New builtin name definitions.
7484         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
7485         expanders.
7486         ("vec_vstrs<mode>"): New insn definition.
7488 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7490         * config/s390/s390-builtin-types.def: Add new builtin function
7491         types.
7492         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
7493         New overloaded builtins.
7494         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
7495         s390_vsrd.
7496         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
7497         (UNSPEC_VEC_SLDBYTE): ... this.
7498         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
7499         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
7500         definitions.
7501         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
7502         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
7503         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
7505 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7507         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
7508         New insn definition.
7509         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
7510         * config/s390/vector.md (V_HW_HSD): ... here.
7512 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7514         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
7515         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
7516         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
7517         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
7518         New insn definitions.
7520 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7522         * config/s390/s390-builtin-types.def: Add new builtin function type.
7523         * config/s390/s390-builtins.def: Add overloaded builtin
7524         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
7525         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
7526         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
7527         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
7528         ("eltswap<mode>"): New expander.
7529         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
7530         insn definitions.
7532 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7534         * config/s390/s390-builtin-types.def: Add new builtin function types.
7535         * config/s390/s390-builtins.def: Add overloaded builtin
7536         s390_vec_revb. Add low-level builtins for vlbr and vstbr
7537         instructions.
7538         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
7539         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
7540         ("bswap<mode>"): New expander.
7541         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
7543 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7545         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
7546         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
7547         vector builtin version number in __VEC__.
7549 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7551         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
7552         iterators.
7553         (SFSI): New mode attribute.
7554         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
7555         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
7556         rename to ...
7557         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
7558         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
7559         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
7560         ("floatsi<mode>2"): Add wcefb instruction.
7562 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7564         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
7565         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
7566         mode iterators.
7567         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
7568         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
7569         support 32 bit fp-int conversions. Rename to ...
7570         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
7571         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
7572         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
7573         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
7574         ... to these.
7576 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7578         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
7579         if-then-else constructs if we can use the select instruction.
7580         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
7582 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7584         * config/s390/s390.md ("*popcountdi_arch13_cc")
7585         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
7586         definition.
7587         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
7588         Append _z196 to make it ...
7589         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
7590         ("popcounthi2_z196"): ... this.
7591         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
7592         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
7594 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7596         * config/s390/s390.c (s390_canonicalize_comparison): Convert
7597         certain compares for arch13 in order to make use of the condition
7598         code result produced by the new instructions.
7599         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
7600         nxrk, and nxgrk instruction patterns.
7601         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
7602         (inv_no): Add new code iterator together with some attributes.
7603         ("*andc_split_<mode>"): Disable splitter for arch13.
7604         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
7605         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
7606         ("*<ANDOR:bitops_name>c<GPR:mode>")
7607         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
7608         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
7609         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
7610         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
7612 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7614         * common/config/s390/s390-common.c (processor_flags_table): New
7615         entry for arch13.
7616         * config.gcc: Support arch13 with the --with-arch= configure flag.
7617         * config/s390/driver-native.c (s390_host_detect_local_cpu):
7618         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
7619         * config/s390/s390.c (s390_get_sched_attrmask)
7620         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
7621         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
7622         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
7623         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
7624         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
7625         definitions.
7626         * config/s390/s390.opt: Support arch13 as processor type in
7627         command line options.
7629 2019-04-02  Martin Liska  <mliska@suse.cz>
7631         PR translation/89912
7632         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
7633         Fix param description of graphite-max-arrays-per-scop.
7635 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
7637         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
7638         (ASAN_CC1_SPEC): Use it in 64-bit mode.
7639         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
7641 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
7643         PR rtl-optimization/85412
7644         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
7645         sel_sched_region_1, not after.
7647 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
7649         PR rtl-optimization/86928
7650         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
7651         compute_live if necessary.
7652         (sel_redirect_edge_and_branch): Likewise.
7654 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
7656         PR rtl-optimization/89865
7657         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
7658         register if it is a part of small class.
7660 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
7662         PR rtl-optimization/87273
7663         * sel-sched-ir.c (merge_fences): Remove assert.
7665 2019-04-01  Richard Biener  <rguenther@suse.de>
7667         PR tree-optimization/46590
7668         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
7669         (dom_walker::m_reachability): Add in place of...
7670         (dom_walker::m_skip_unreachable_blocks): ...this.
7671         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
7672         Move complex initialization ...
7673         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
7674         lazily and initialize edge flags on each invocation.
7675         (dom_walker::bb_reachable): Use m_reachability.
7677 2019-04-01  Martin Liska  <mliska@suse.cz>
7679         PR driver/89861
7680         * opt-suggestions.c (option_proposer::build_option_suggestions):
7681         Add variant without any argument in order to provide better
7682         hints.
7684 2019-04-01  Richard Biener  <rguenther@suse.de>
7686         PR c/71598
7687         * gimple.c: Include langhooks.h.
7688         (gimple_get_alias_set): Treat enumeral types as the underlying
7689         integer type.
7691 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
7692             Eric Botcazou  <ebotcazou@adacore.com>
7694         PR rtl-optimization/89862
7695         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
7696         that operates on the full registers for WORD_REGISTER_OPERATIONS
7697         architectures.
7699 2019-03-29  Jim Wilson  <jimw@sifive.com>
7701         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
7702         Clear MASK_RVC and then set if C subset supported.
7704 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
7706         PR c/89872
7707         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
7708         non-addressable complit into its initializer if it is volatile.
7710 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
7712         * opts-common.c (integral_argument): Set errno properly in one case.
7714 2019-03-29  Martin Liska  <mliska@suse.cz>
7716         * doc/invoke.texi: Remove -Wchkp from documentation.
7718 2019-03-29  Martin Liska  <mliska@suse.cz>
7720         * dbgcnt.c (print_limit_reach): New function.
7721         (dbg_cnt): Use it.
7723 2019-03-29  Martin Liska  <mliska@suse.cz>
7725         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
7726         (dbg_cnt_process_opt): Parse first tokens aas
7727         dbg_cnt_process_single_pair is also using strtok.
7729 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
7731         PR rtl-optimization/87485
7732         * function.c (expand_function_end): Move stack_protect_epilogue
7733         before loading of return value into hard register(s).
7735 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
7737         PR middle-end/89621
7738         * tree-inline.h (struct copy_body_data): Add
7739         dont_remap_vla_if_no_change flag.
7740         * tree-inline.c (remap_type_3, remap_type_2): New functions.
7741         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
7742         and remap_type_2 returns false.
7743         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
7744         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
7745         only from where it is copied to nested contexts.
7747 2019-03-28  UroÅ¡ Bizjak  <ubizjak@gmail.com>
7749         PR target/89865
7750         * config/i386/i386.md (RMW operation with LEA peephole):
7751         Use LEAMODE mode attribute instead of SWI mode iterator for
7752         LEA pattern.
7754 2019-03-28  UroÅ¡ Bizjak  <ubizjak@gmail.com>
7756         PR target/89848
7757         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
7758         Also process XEXP (src, 0) of a shift insn.
7760 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
7762         PR middle-end/89725
7763         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
7764         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
7766 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
7768         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
7769         test.
7770         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
7771         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
7772         immediately after first one with df_analyze in between, but rather
7773         process all bbs, queueing ones that need second pass in a worklist,
7774         df_analyze, process queued debug insn changes and if second pass is
7775         needed, process bbs from worklist, df_analyze, process queued debug
7776         insns again.
7778         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
7779         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
7780         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
7782 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
7784         PR c/79022
7785         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
7786         definition.
7788 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
7790         PR target/85667
7791         * config/i386/i386.c (ix86_function_value_1): Call the newly added
7792         function for 32-bit MS_ABI.
7793         (function_value_ms_32): New function.
7795 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
7797         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
7798         (movdi): Call gen_movdi_symbol_save_scc.
7799         (gen_movdi_symbol_save_scc): New insn and split.
7801 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
7803         PR rtl-optimization/89313
7804         * function.c (matching_constraint_num): New static function.
7805         (match_asm_constraints_1): Use it.  Fixup white space and comment.
7806         Don't replace inputs with non-matching constraints which conflict
7807         with early clobber outputs.
7809 2019-03-27  Jeff Law  <law@redhat.com>
7812         PR rtl-optimization/87761
7813         PR rtl-optimization/89826
7814         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
7815         slightly later.
7816         (pass_cprop_hardreg::execute): Call df_analyze after adding the
7817         note problem to get REG_DEAD/REG_UNUSED notes updated.
7819 2019-03-27  Richard Biener  <rguenther@suse.de>
7821         PR tree-optimization/89463
7822         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
7823         queue edges to remove.
7824         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
7825         dead stmts.  Delay edge removal until PHIs are removed to
7826         make debug-stmt creation not confused by seemingly degenerate
7827         PHIs.
7829 2019-03-27  Alan Modra  <amodra@gmail.com>
7831         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
7832         throughout file.
7833         * config/rs6000/darwin.h: Likewise.
7834         * config/rs6000/rs6000.c: Likewise.
7836 2019-03-27  Alan Modra  <amodra@gmail.com>
7838         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
7839         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
7841 2019-03-26  Andrew Waterman  <andrew@sifive.com>
7842             Jim Wilson  <jimw@sifive.com>
7844         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
7845         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
7846         (generic_idivdi, generic_fmul_single, generic_fmul_double)
7847         (generic_fdiv, generic_fsqrt): Add check for generic tune.
7848         (generic_alu): Add auipc to type list.
7849         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
7850         (riscv_microarchitecture): Declare.
7851         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
7852         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
7853         field.
7854         (riscv_microarchitecture): New.
7855         (sifive_7_tune_info): New.
7856         (riscv_cpu_info_table): Add microarchitecture value for rocket and
7857         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
7858         entries.
7859         (riscv_store_data_bypass_p): New.
7860         (riscv_option_override): Set riscv_microarchitecture from
7861         cpu->microarchitecture.
7862         * config/riscv/riscv.md: Include sifive-7.md.
7863         (type): Add auipc.
7864         (tune): New.
7865         (auipc<mode>): Change type to auipc.
7866         (restore_stack_nonlocal): New.
7867         * config/riscv/sifive-7.md: New.
7868         * doc/invoke.texi (RISC-V Options): Update mtune docs.
7870 2019-03-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
7872         PR target/89827
7873         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
7874         Also process XEXP (src, 0) of a shift insn.
7876 2019-03-26  Richard Biener  <rguenther@suse.de>
7878         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
7879         (copy_debug_stmt): Likewise.
7880         (expand_call_inline): Likewise.
7881         (copy_bb): Avoid redundant lookup & set of gimple_block.
7882         * gimple-low.c (lower_gimple_return): Likewise.
7883         (lower_builtin_setjmp): Likewise.
7885 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
7887         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
7888         is constant 0, turn into static const data member initialized to false.
7889         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
7890         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
7892 2019-03-26  Jason Merrill  <jason@redhat.com>
7893             Jakub Jelinek  <jakub@redhat.com>
7895         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
7896         method.
7897         (mem_alloc_description::release_object_overhead): Fix comment typos.
7898         * hash-table.h (hash_table::~hash_table): Call
7899         release_instance_overhead only if m_entries is non-NULL, otherwise
7900         call unregister_descriptor.
7902 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
7904         PR tree-optimization/81740
7905         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
7906         In case of outer loop vectorization, check for backward dependence
7907         at the inner loop if outer loop dependence is reversed.
7909 2019-03-26  Alan Modra  <amodra@gmail.com>
7911         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
7912         rs6000_vector_mem init.  Correct wI and wJ comment.
7914 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
7916         PR rtl-optimization/88347
7917         PR rtl-optimization/88423
7918         * sched-deps.c (sched_analyze_insn): Take into account that for
7919         tablejumps the barrier appears after a label and a jump_table_data.
7921 2019-03-25  Martin Sebor  <msebor@redhat.com>
7923         PR c/89812
7924         * c-common.c (check_user_alignment): Rename local.  Correct maximum
7925         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
7926         convert it to UHWI when it fits.
7928 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
7930         PR debug/86964
7931         * dwarf2out.c (premark_used_variables): New function.
7932         (prune_unused_types_walk): Do not mark not premarked external
7933         variables.
7934         (prune_unused_types): Call premark_used_variables.
7936 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
7938         PR rtl-optimization/89676
7939         * lra-constraints.c (curr_insn_transform): Do match reload for
7940         early clobbers when the match was successful only for different
7941         registers.
7943 2019-03-25  Martin Sebor  <msebor@redhat.com>
7945         * doc/extend.texi (Common Type Attributes): Document vector_size.
7946         (Common Variable Attributes): Mention size constraint.  Correct
7947         quoting and typos.
7948         (Vector Extensions): Use @dfn when defining bas type.  Clarify
7949         base type and size constraints.
7951 2019-03-25  Richard Biener  <rguenther@suse.de>
7953         PR tree-optimization/89789
7954         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
7955         changes from non-undefined back to undefined.
7957 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
7959         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
7960         heap string and a gc string, but since this variable is unknown to
7961         ggc the gc string might get reused and corrupted. Fixed by always
7962         using a heap string.
7964 2019-03-25  Richard Biener  <rguenther@suse.de>
7966         PR tree-optimization/89779
7967         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
7968         to remove IV defs, delay actual removal.
7969         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
7970         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
7971         very end, properly also reset loop control IV information.
7973 2019-03-25  Richard Biener  <rguenther@suse.de>
7975         PR tree-optimization/89802
7976         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
7977         move EH data to folded stmt.
7979 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
7981         * config/s390/s390-builtin-types.def: Remove few unused types and
7982         fix sort order for others.
7984 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
7986         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
7987         expected and found types with -mdebug during builtin matching.
7989 2019-03-25  Richard Biener  <rguenther@suse.de>
7991         PR middle-end/89790
7992         * fold-const.c (operand_equal_p): Revert last change with
7993         updated comment.
7995 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
7997         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
7998         notes for the result of the __tls_get_addr calls.
7999         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
8001 2019-03-24  Jeff Law  <law@redhat.com>
8003         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
8005         PR rtl-optimization/87761
8006         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
8007         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
8008         as needed.
8009         (pass_cprop_hardreg::execute): Add df note problem and defer insn
8010         rescans.  Reprocess blocks as needed, calling df_analyze before
8011         reprocessing.  Always call df_analyze before fixing up debug bind
8012         insns.
8014 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
8016         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
8017         big endian.
8019 2019-03-22  Andrew Pinski  <apinski@marvell.com>
8021         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
8022         attrribute for uxtw.
8024 2019-03-26  Jeff Law  <law@redhat.com>
8026         PR rtl-optimization/87761
8027         * config/mips/mips-protos.h (mips_split_move): Add new argument.
8028         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
8029         (mips_split_move): Accept new INSN argument.  Try to forward SRC
8030         into the next instruction.
8031         (mips_split_move_insn): Pass INSN through to mips_split_move.
8033 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
8035         PR rtl-optimization/89676
8036         * lra-constraints.c (curr_insn_transform): Do match reload for
8037         early clobbers even if the match was successful.
8039 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
8041         PR c++/87481
8042         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
8044 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
8046         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
8048 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
8050         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
8051         <avx512>_fmsub_<mode>_mask3<round_name>,
8052         <avx512>_fnmadd_<mode>_mask3<round_name>,
8053         <avx512>_fnmsub_<mode>_mask3<round_name>,
8054         avx512f_vmfmadd_<mode>_mask3<round_name>,
8055         avx512f_vmfmsub_<mode>_mask3<round_name>,
8056         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
8057         instead of register_operand and %v instead of v for match_operand 1.
8058         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
8059         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
8060         <round_nimm_predicate> instead of register_operand and %v instead of v
8061         for match_operand 1.
8063         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
8064         <avx512>_fmadd_<mode>_mask3<round_name>,
8065         <avx512>_fmsub_<mode>_mask<round_name>,
8066         <avx512>_fmsub_<mode>_mask3<round_name>,
8067         <avx512>_fnmadd_<mode>_mask<round_name>,
8068         <avx512>_fnmadd_<mode>_mask3<round_name>,
8069         <avx512>_fnmsub_<mode>_mask<round_name>,
8070         <avx512>_fnmsub_<mode>_mask3<round_name>,
8071         <avx512>_fmaddsub_<mode>_mask<round_name>,
8072         <avx512>_fmaddsub_<mode>_mask3<round_name>,
8073         <avx512>_fmsubadd_<mode>_mask<round_name>,
8074         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
8075         <round_nimm_predicate> instead of nonimmediate_operand.
8076         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
8077         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
8078         Use register_operand instead of <round_nimm_predicate> for the
8079         operand that needs to match output.
8080         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
8081         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
8082         Likewise.  Formatting fixes.
8084         PR target/89784
8085         * config/i386/i386.c (enum ix86_builtins): Remove
8086         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
8087         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
8088         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
8089         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
8090         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
8091         __builtin_ia32_vfmsubss3_mask3): New builtins.
8092         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
8093         avx512f_vmfmadd_<mode>_mask3<round_name>,
8094         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
8095         *avx512f_vmfmsub_<mode>_mask<round_name>,
8096         avx512f_vmfmsub_<mode>_mask3<round_name>,
8097         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
8098         *avx512f_vmfnmadd_<mode>_mask<round_name>,
8099         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
8100         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
8101         *avx512f_vmfnmsub_<mode>_mask<round_name>,
8102         avx512f_vmfnmsub_<mode>_mask3<round_name>,
8103         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
8104         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
8105         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
8106         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
8107         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
8108         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
8109         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
8110         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
8111         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
8112         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
8113         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
8114         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
8115         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
8116         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
8117         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
8118         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
8119         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
8120         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
8121         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
8122         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
8123         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
8124         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
8126 2019-03-21  Martin Sebor  <msebor@redhat.com>
8128         PR tree-optimization/89350
8129         * builtins.c (compute_objsize): Also ignore offsets whose upper
8130         bound is negative.
8131         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
8132         (builtin_memref::builtin_memref): Initialize new member.
8133         Allow EXPR to be null.
8134         (builtin_memref::extend_offset_range): Replace local with a member.
8135         Avoid assuming pointer offsets are unsigned.
8136         (builtin_memref::set_base_and_offset): Determine base object
8137         before computing offset range.
8138         (builtin_access::builtin_access): Handle memset.
8139         (builtin_access::generic_overlap): Replace local with a member.
8140         (builtin_access::strcat_overlap): Same.
8141         (builtin_access::overlap): Same.
8142         (maybe_diag_overlap): Same.
8143         (maybe_diag_access_bounds): Same.
8144         (wrestrict_dom_walker::check_call): Handle memset.
8145         (check_bounds_or_overlap): Same.
8147 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
8148             Jakub Jelinek  <jakub@redhat.com>
8150         PR lto/89692
8151         * tree.c (fld_type_variant, fld_incomplete_type_of,
8152         fld_process_array_type): Call fld->pset.add and don't call
8153         add_tree_to_fld_list if it returns true.
8154         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
8155         non-marked types from TYPE_NEXT_VARIANT list.
8156         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
8158 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
8160         * hash-table.h (hash_table): Add Lazy template parameter defaulted
8161         to false, if true, don't alloc_entries during construction, but defer
8162         it to the first method that needs m_entries allocated.
8163         (hash_table::hash_table, hash_table::~hash_table,
8164         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
8165         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
8166         hash_table::clear_slot, hash_table::traverse_noresize,
8167         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
8168         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
8169         false.
8170         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
8171         NO_INSERT instead of find_with_hash.
8172         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
8173         hash_set::m_table): Add Lazy to template params of hash_table.
8174         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
8175         * attribs.c (test_attribute_exclusions): Likewise.
8176         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
8177         hash_set.  Add tests for hash_set with Lazy = true.
8179 2019-03-21  Richard Biener  <rguenther@suse.de>
8181         PR tree-optimization/89779
8182         * tree.c (tree_nop_conversion): Consolidate and fix defensive
8183         checks with respect to released SSA names now having error_mark_node
8184         type.
8185         * fold-const.c (operand_equal_p): Likewise.
8187 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
8189         PR target/89775
8190         * config/s390/s390.c (global_not_special_regno_p): Move to make it
8191         available to ...
8192         (s390_optimize_register_info): Use global_not_special_regno_p to
8193         check for global regs.
8195 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
8197         PR target/89752
8198         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
8199         update this_alternative nor this_alternative_set.
8201 2019-03-19  Jim Wilson  <jimw@sifive.com>
8203         PR target/89411
8204         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
8205         align, size, offset.  Use them to handle a BLKmode reference.  Update
8206         comment.
8207         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
8209 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
8211         PR rtl-optimization/89768
8212         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
8213         instead of GEN_INT.
8214         (unroll_loop_runtime_iterations): Likewise.
8216 2019-03-19  Martin Sebor  <msebor@redhat.com>
8218         PR tree-optimization/89644
8219         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
8220         rather than endptr as an indicator of nul-termination.
8222         PR tree-optimization/89644
8223         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
8224         arrays in determining sequence sizes in strncpy and stpncpy.
8226 2019-03-19  Martin Liska  <mliska@suse.cz>
8228         PR middle-end/89737
8229         * predict.c (combine_predictions_for_bb): Empty likely_edges and
8230         unlikely_edges if there's an edge that belongs to both these sets.
8232 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
8234         PR target/89746
8235         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
8236         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
8237         go via a stack temporary.
8239 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
8241         PR target/89378
8242         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
8243         instead of gen_rtx_SUBREG.
8244         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
8246 2019-03-19  Richard Biener  <rguenther@suse.de>
8248         PR debug/88389
8249         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
8251 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
8253         PR lto/87809
8254         PR lto/89335
8255         * tree.c (free_lang_data_in_decl): Do not free context of C++
8256         destrutors.
8258 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
8260         PR target/89506
8261         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
8262         subs for the first alternative except when operands[3] is 1.
8264         PR target/89752
8265         * gimplify.c (gimplify_asm_expr): For output argument with
8266         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
8267         diagnose error.
8269 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
8271         PR rtl-optimization/89753
8272         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
8273         explicit unrolling factor even more robust.
8275 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
8277         PR target/89726
8278         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
8279         compensation use x2 += 1 instead of x2 -= -1 and when honoring
8280         signed zeros, do another copysign after the compensation.
8282 2019-03-18  Martin Sebor  <msebor@redhat.com>
8284         PR tree-optimization/89720
8285         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
8286         more conservatively, the same as anti-range.
8288 2019-03-18  Richard Biener  <rguenther@suse.de>
8290         PR middle-end/88945
8291         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
8292         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
8293         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
8294         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
8296 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
8298         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
8299         Extend queue to 1024 entries.
8300         Add "consumed" field.
8301         (gomp_print_output): Remove print_index parameter.
8302         Add final parameter.
8303         Change limit to unsigned.
8304         Use consumed field to implement circular buffer.
8305         Detect interrupted print in final pass.
8306         Flush output at the end.
8307         (run): Update gomp_print_output usage.
8308         (main): Initialize kernargs->output_data.consumed.
8310 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
8312         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
8313         calculation of the minimum number of scalar iterations for
8314         fully-predicated loops.
8316 2019-03-18  Martin Jambor  <mjambor@suse.cz>
8318         PR tree-optimization/89546
8319         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
8320         any propagation to its children took place.
8322 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
8324         PR target/89627
8325         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
8326         parameter, and make use of it.
8327         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
8329 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
8331         * config/arc/arc.opt (mcode-density-frame): Get the inital value
8332         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
8333         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
8334         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
8335         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
8336         match what the ops is doing.
8337         (push_multi_fp_blink): Likewise.
8338         * config/arc/arc.c (arc_override_options): Enable enter/leave when
8339         compiling for size and elf target.
8340         (arc_save_callee_enter): Adjust note to match what enter/leave
8341         operation does.
8343 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
8345         * config/arc/arc.md (tst_movb): Fix constraint.
8347 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
8349         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
8351 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
8353         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
8354         * config/arc/arc.c (arc_conditional_register_usage): Remove all
8355         reg_alloc_order references.
8356         (size_alloc_order): Define.
8357         (arc_adjust_reg_alloc_order): New function.
8358         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
8359         order.
8360         (ADJUST_REG_ALLOC_ORDER): Define.
8361         (HONOR_REG_ALLOC_ORDER): Likewise.
8363 2019-03-18  Richard Biener  <rguenther@suse.de>
8365         PR target/87561
8366         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
8367         loads and stores a bit more.
8369 2019-03-18  Richard Biener  <rguenther@suse.de>
8371         PR target/87561
8372         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
8373         load pessimization to stores as well.
8375 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
8377         PR middle-end/86979
8378         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
8379         successor, use NULL as its av set.
8381 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
8383         PR rtl-optimization/89721
8384         * lra-constraints (invariant_p): Return false if side_effects_p holds.
8386 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8388         PR target/87532
8389         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
8390         When handling vec_extract, use modular arithmetic to allow
8391         constant selectors greater than vector length.
8392         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
8393         V1TImode vectors to have constant selector values greater than 0.
8394         Use modular arithmetic to compute vector index.
8395         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
8396         index for in-memory vectors.  Correct code generation for
8397         in-register vectors.
8398         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
8399         compute index.
8401 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
8403         PR c++/88534
8404         PR c++/88537
8405         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
8406         VAR_DECL args.
8408 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
8410         PR c++/89709
8411         * tree.c (inchash::add_expr): Strip any location wrappers.
8412         * fold-const.c (operand_equal_p): Move stripping of location wrapper
8413         after hash verification.
8415         PR debug/89704
8416         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
8417         SIGN_EXTEND and ZERO_EXTEND.
8419 2019-03-14  Jason Merrill  <jason@redhat.com>
8420             Jakub Jelinek  <jakub@redhat.com>
8422         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
8423         than if is_empty (*slot).
8424         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
8425         existing elt and for elt removal.
8426         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
8427         of already removed elt.
8429 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
8431         PR target/89650
8432         * config/i386/i386.c (remove_partial_avx_dependency): Handle
8433         REG_EH_REGION note.
8435 2019-03-14  Martin Liska  <mliska@suse.cz>
8437         PR other/89712
8438         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
8440 2019-03-14  Richard Biener  <rguenther@suse.de>
8442         PR target/89711
8443         * config/i386/i386.c (make_resolver_func): Properly set
8444         DECL_CONTEXT on the RESULT_DECL.
8445         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
8447 2019-03-14  Richard Biener  <rguenther@suse.de>
8449         * gimple-pretty-print.c: Include cfgloop.h.
8450         (dump_gimple_phi): Adjust.
8451         (dump_gimple_bb_header): Dump loop header for GIMPLE.
8452         (pp_cfg_jump): Adjust.
8453         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
8454         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
8455         (lower_phi_internal_fn): Remove.
8456         (verify_gimple_call): Remove IFN_PHI special-casing.
8457         (dump_function_to_file): Dump IL state.
8458         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
8459         done to deal with PHI nodes being present in non-SSA state.
8461 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
8463         PR ipa/89684
8464         * multiple_target.c (create_dispatcher_calls): Change
8465         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
8466         In the node->iterate_referring loop, push *ref rather than ref, call
8467         ref->remove_reference () and always pass 0 to iterate_referring.
8469         PR rtl-optimization/89679
8470         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
8471         would contain a paradoxical SUBREG.
8473 2019-03-14  Richard Biener  <rguenther@suse.de>
8475         PR tree-optimization/89710
8476         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
8477         safe_dyn_cast.
8479 2019-03-14  Martin Liska  <mliska@suse.cz>
8481         * coverage.c (coverage_begin_function): Stream also
8482         end_column.
8483         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
8484         documentation about function declaration location.
8485         * gcov-dump.c (tag_function): Print whole range
8486         of function declaration.
8487         * gcov.c (struct function_info): Add end_column field.
8488         (function_info::function_info): Initialize it.
8489         (output_json_intermediate_file): Output {start,end}_column
8490         fields.
8491         (read_graph_file): Read end_column.
8493 2019-03-14  Richard Biener  <rguenther@suse.de>
8495         PR middle-end/89698
8496         * fold-const.c (operand_equal_p): For INDIRECT_REF check
8497         that the access types are similar.
8499 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
8501         PR tree-optimization/89703
8502         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
8503         aren't compatible also with builtin_decl_explicit.  Check pure
8504         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
8505         and BUILT_IN_STPNCPY{,_CHK}.
8507 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
8509         PR target/89523
8510         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
8511         addr32 prefix to VSIB address for X32.
8512         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
8513         "%M2" to opcode.
8514         (*avx512pf_gatherpf<mode>df_mask): Likewise.
8515         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
8516         (*avx512pf_scatterpf<mode>df_mask): Likewise.
8517         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
8518         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
8519         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
8520         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
8521         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
8522         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
8523         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
8524         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
8525         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
8526         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
8527         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
8528         (*avx512f_scatterdi<mode>): Likewise.
8530 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
8532         PR target/85860
8533         * lra-constraints.c (inherit_in_ebb): Update
8534         potential_reload_hard_regs along with live_hard_regs.
8536 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
8538         PR debug/89498
8539         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
8540         DWARF_OFFSET_SIZE.
8541         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
8543 2019-03-13  Martin Sebor  <msebor@redhat.com>
8545         PR tree-optimization/89662
8546         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
8547         has a size.
8549 2019-03-13  Richard Biener  <rguenther@suse.de>
8551         PR middle-end/89677
8552         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
8553         throw FP expressions at tree-affine.
8555 2019-03-14  Richard Biener  <rguenther@suse.de>
8557         * tree-pretty-print.c (dump_generic_node): For -gimple properly
8558         dump negative integer constants using _Literal (type) -num.
8560 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
8562         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
8563         nonlocal_value member.
8565         PR middle-end/88588
8566         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
8567         (ipa_simd_modify_function_body): Handle PHIs.
8569 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
8571         * config/s390/s390.c (s390_option_override_internal): Use more
8572         aggressive inlining parameters.
8574 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
8576         * config/s390/3906.md: New file.
8577         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
8578         (LONGRUNNING_THRESHOLD): Remove.
8579         (MAX_SCHED_MIX_SCORE): Decrease.
8580         (MAX_SCHED_MIX_DISTANCE): Decrease.
8581         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
8582         (struct s390_sched_state): New struct to hold scheduling state.
8583         (S390_SCHED_STATE_NORMAL): Remove.
8584         (S390_SCHED_STATE_CRACKED): Remove.
8585         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
8586         (s390_get_sched_attrmask): Use new attribute.
8587         (s390_get_unit_mask): Use new units.
8588         (s390_is_fpd): New function.
8589         (s390_is_fxd): New function.
8590         (s390_is_longrunning): New function.
8591         (s390_sched_score): Use new functions.
8592         (s390_sched_reorder): Likewise.
8593         (s390_sched_variable_issue): Rework and use new functions.
8594         (s390_sched_init): Use new functions.
8595         * config/s390/s390.h (s390_tune_attr):  Add z14.
8596         * config/s390/s390.md: Add z14.
8598 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
8600         * config/s390/2964.md: Update pipeline description.
8601         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
8602         (LONGRUNNING_THRESHOLD): Remove.
8603         (LATENCY_FACTOR): Remove.
8604         (s390_get_unit_mask): Add unit.
8605         (s390_sched_score): Use fxd/fpd.
8606         (s390_sched_variable_issue): Use fxd/fpd.
8608 2019-03-12  Martin Liska  <mliska@suse.cz>
8610         * config/i386/i386.c: Reword an error message.
8612 2019-03-12  Martin Jambor  <mjambor@suse.cz>
8614         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
8615         terminate with newline.
8617 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
8619         PR target/52726
8620         * config/s390/s390.md (tabort): Use %wd instead of
8621         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
8622         letters and periods.
8623         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
8624         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
8625         's with %< and %>.
8627         PR middle-end/89663
8628         * builtins.c (expand_builtin_int_roundingfn,
8629         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
8630         gcc_unreachable if validate_arglist fails.
8632 2019-03-12  Richard Biener  <rguenther@suse.de>
8634         PR tree-optimization/89664
8635         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
8636         free the occurance tree after the early out.
8638 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
8640         PR middle-end/89655
8641         PR bootstrap/89656
8642         * vr-values.c (vr_values::update_value_range): If
8643         old_vr->varying_p (), don't update it, make new_vr also VARYING
8644         and return false.
8646 2019-03-11  Martin Liska  <mliska@suse.cz>
8648         * config/aarch64/aarch64.c (aarch64_override_options_internal):
8649         Fix double string quoting.
8651 2019-03-11  Martin Liska  <mliska@suse.cz>
8653         * collect-utils.c (collect_wait): Wrap apostrophes
8654         in gcc internal format with %'.
8655         * collect2.c (main): Likewise.
8656         (scan_prog_file): Likewise.
8657         (scan_libraries): Likewise.
8658         * config/i386/i386.c (ix86_expand_call): Likewise.
8659         (ix86_handle_interrupt_attribute): Likewise.
8660         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
8661         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
8662         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
8663         * lto-wrapper.c (find_crtoffloadtable): Likewise.
8664         * symtab.c (symtab_node::verify_base): Likewise.
8665         * tree-cfg.c (verify_gimple_label): Likewise.
8666         * tree.c (verify_type_variant): Likewise.
8668 2019-03-11  Martin Liska  <mliska@suse.cz>
8670         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
8671         in a string format message and fix GNU coding style.
8672         (expand_builtin_set_thread_pointer): Likewise.
8673         * common/config/aarch64/aarch64-common.c
8674         (aarch64_rewrite_selected_cpu): Likewise.
8675         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
8676         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
8677         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
8678         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
8679         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
8680         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
8681         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
8682         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
8683         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
8684         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
8685         Likewise.
8686         * common/config/riscv/riscv-common.c
8687         (riscv_subset_list::parsing_subset_version): Likewise.
8688         (riscv_subset_list::parse_std_ext): Likewise.
8689         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
8690         (riscv_subset_list::parse): Likewise.
8691         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
8692         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
8693         (aarch64_override_options_internal): Likewise.
8694         (aarch64_validate_mcpu): Likewise.
8695         (aarch64_validate_march): Likewise.
8696         (aarch64_validate_mtune): Likewise.
8697         (aarch64_override_options): Likewise.
8698         * config/alpha/alpha.c (alpha_option_override): Likewise.
8699         * config/arc/arc.c (arc_init): Likewise.
8700         (parse_mrgf_banked_regs_option): Likewise.
8701         (arc_override_options): Likewise.
8702         (arc_expand_builtin_aligned): Likewise.
8703         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
8704         (arm_expand_builtin): Likewise.
8705         * config/arm/arm.c (arm_option_check_internal): Likewise.
8706         (arm_configure_build_target): Likewise.
8707         (arm_option_override): Likewise.
8708         (arm_options_perform_arch_sanity_checks): Likewise.
8709         (arm_handle_cmse_nonsecure_entry): Likewise.
8710         (arm_handle_cmse_nonsecure_call): Likewise.
8711         (arm_tls_referenced_p): Likewise.
8712         (thumb1_expand_prologue): Likewise.
8713         * config/avr/avr.c (avr_option_override): Likewise.
8714         * config/bfin/bfin.c (bfin_option_override): Likewise.
8715         * config/c6x/c6x.c (c6x_option_override): Likewise.
8716         * config/cr16/cr16.c (cr16_override_options): Likewise.
8717         * config/cris/cris.c (cris_option_override): Likewise.
8718         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
8719         * config/darwin-c.c (macosx_version_as_macro): Likewise.
8720         * config/darwin.c (darwin_override_options): Likewise.
8721         * config/frv/frv.c (frv_expand_builtin): Likewise.
8722         * config/h8300/h8300.c (h8300_option_override): Likewise.
8723         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
8724         (ix86_option_override_internal): Likewise.
8725         (warn_once_call_ms2sysv_xlogues): Likewise.
8726         (ix86_expand_prologue): Likewise.
8727         (split_stack_prologue_scratch_regno): Likewise.
8728         (ix86_warn_parameter_passing_abi): Likewise.
8729         * config/ia64/ia64.c (fix_range): Likewise.
8730         * config/m68k/m68k.c (m68k_option_override): Likewise.
8731         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
8732         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
8733         (mips_set_compression_mode): Likewise.
8734         * config/mmix/mmix.c (mmix_option_override): Likewise.
8735         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
8736         * config/msp430/msp430.c (msp430_option_override): Likewise.
8737         * config/nds32/nds32.c (nds32_option_override): Likewise.
8738         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
8739         (nios2_option_override): Likewise.
8740         (nios2_expand_custom_builtin): Likewise.
8741         * config/nvptx/mkoffload.c (main): Likewise.
8742         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
8743         * config/pa/pa.c (fix_range): Likewise.
8744         (pa_option_override): Likewise.
8745         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
8746         (riscv_option_override): Likewise.
8747         * config/rl78/rl78.c (rl78_option_override): Likewise.
8748         * config/rs6000/aix61.h: Likewise.
8749         * config/rs6000/aix71.h: Likewise.
8750         * config/rs6000/aix72.h: Likewise.
8751         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
8752         * config/rs6000/freebsd64.h: Likewise.
8753         * config/rs6000/linux64.h: Likewise.
8754         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
8755         (rs6000_expand_zeroop_builtin): Likewise.
8756         (rs6000_expand_mtfsb_builtin): Likewise.
8757         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
8758         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
8759         (rs6000_invalid_builtin): Likewise.
8760         (rs6000_expand_split_stack_prologue): Likewise.
8761         * config/rs6000/rtems.h: Likewise.
8762         * config/rx/rx.c (valid_psw_flag): Likewise.
8763         (rx_expand_builtin): Likewise.
8764         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
8765         * config/s390/s390.c (s390_expand_builtin): Likewise.
8766         (s390_function_profiler): Likewise.
8767         (s390_option_override_internal): Likewise.
8768         (s390_option_override): Likewise.
8769         * config/sh/sh.c (sh_option_override): Likewise.
8770         (sh_builtin_saveregs): Likewise.
8771         (sh_fix_range): Likewise.
8772         * config/sh/vxworks.h: Likewise.
8773         * config/sparc/sparc.c (sparc_option_override): Likewise.
8774         * config/spu/spu.c (spu_option_override): Likewise.
8775         (fix_range): Likewise.
8776         * config/visium/visium.c (visium_option_override): Likewise.
8777         (visium_handle_interrupt_attr): Likewise.
8778         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
8779         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
8780         (dbg_cnt_process_opt): Likewise.
8781         * dwarf2out.c (output_dwarf_version): Likewise.
8782         * except.c (expand_eh_return): Likewise.
8783         * gcc.c (defined): Likewise.
8784         (driver_handle_option): Likewise.
8785         (process_command): Likewise.
8786         (compare_files): Likewise.
8787         (driver::prepare_infiles): Likewise.
8788         (driver::do_spec_on_infiles): Likewise.
8789         (driver::maybe_run_linker): Likewise.
8790         * omp-offload.c (oacc_parse_default_dims): Likewise.
8791         * opts-global.c (handle_common_deferred_options): Likewise.
8792         * opts.c (parse_sanitizer_options): Likewise.
8793         (common_handle_option): Likewise.
8794         (enable_warning_as_error): Likewise.
8795         * passes.c (enable_disable_pass): Likewise.
8796         * plugin.c (parse_plugin_arg_opt): Likewise.
8797         (default_plugin_dir_name): Likewise.
8798         * targhooks.c (default_expand_builtin_saveregs): Likewise.
8799         (default_pch_valid_p): Likewise.
8800         * toplev.c (init_asm_output): Likewise.
8801         (process_options): Likewise.
8802         (toplev::run_self_tests): Likewise.
8803         * tree-cfg.c (verify_gimple_call): Likewise.
8804         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
8805         (tree_inlinable_function_p): Likewise.
8806         * var-tracking.c (vt_find_locations): Likewise.
8808 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
8810         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
8811         only on the else branch.
8813 2019-03-11  Martin Liska  <mliska@suse.cz>
8815         * gcov.c (output_intermediate_json_line): Print function
8816         name of each line.
8817         (output_json_intermediate_file): Add new argument.
8818         * doc/gcov.texi: Document the change.
8820 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
8822         PR rtl-optimization/89588
8823         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
8824         explicit unrolling factor more robust.
8826 2019-03-11  Richard Biener  <rguenther@suse.de>
8828         PR tree-optimization/89649
8829         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
8830         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
8831         on the prolog and epilog loops.
8832         (vect_loop_versioning): Return copy of loop.
8833         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
8834         on the non-vectorized version of the loop.
8836 2019-03-10  UroÅ¡ Bizjak  <ubizjak@gmail.com>
8838         PR target/68924
8839         * config/i386/sse.md (*vec_extractv2di_0_sse):
8840         Add (=r,x) alternative and corresponding splitter.
8842 2019-03-10  Martin Jambor  <mjambor@suse.cz>
8844         PR tree-optimization/85762
8845         PR tree-optimization/87008
8846         PR tree-optimization/85459
8847         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
8848         it points to if there is a type changing MEM_REF.  Adjust all callers.
8849         (build_accesses_from_assign): Disable total scalarization if
8850         contains_vce_or_bfcref_p returns true through the new parameter, for
8851         both rhs and lhs.
8853 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
8855         PR c/88568
8856         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
8857         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
8859         PR target/79645
8860         * common.opt (fdiagnostics-show-labels,
8861         fdiagnostics-show-line-numbers, fdiagnostics-format=,
8862         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
8863         gas-locview-support, ginline-points, ginternal-reset-location-views):
8864         Terminate description text with a dot.
8865         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
8866         * config/mcore/mcore.opt (m210, m340): Likewise.
8867         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
8868         mnops=): Start description text with a capital letter.
8869         * config/arc/arc.opt (msize-level=): Likewise.
8870         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
8871         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
8872         mnewlib): Likewise.
8873         * config/ft32/ft32.opt (msim): Likewise.
8874         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
8875         (mnodiv, mnopm): Terminate description text with a dot.
8876         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
8877         a colon.
8878         * config/i386/i386.opt (prefer_vector_width, instrument_return):
8879         Likewise.
8880         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
8881         text.
8883         PR rtl-optimization/89634
8884         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
8885         are modified in BB_END (e->src) instruction.
8887 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
8889         PR target/79926
8890         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
8891         messages more amenable to translation, and improve wording.
8893 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
8895         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
8896         ud- and du-chains between phases.
8898 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
8900         PR debug/89631
8901         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
8902         instead of POLY_INT_CST.
8904 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8906         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
8907         requirement.
8909 2019-03-08  UroÅ¡ Bizjak  <ubizjak@gmail.com>
8911         PR target/68924
8912         PR target/78782
8913         PR target/87558
8914         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
8915         (_mm_storeu_si64): Ditto.
8917 2019-03-08  Martin Liska  <mliska@suse.cz>
8919         PR target/86952
8920         * config/i386/i386.c (ix86_option_override_internal): Disable
8921         jump tables when retpolines are used.
8923 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
8925         PR go/63560
8926         * ipa-split.c (execute_split_functions): Do not split
8927         'noinline' or 'section' function.
8929 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
8931         PR target/79846
8932         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
8933         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
8934         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
8936         PR ipa/80000
8937         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
8938         from diagnostics.  Formatting fixes.
8940         PR target/85665
8941         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
8942         warn_odr diagnostics.
8944         PR other/80058
8945         * lra-constraints.c (process_alt_operands): Avoid one space before
8946         " at the end of line and another after " on another line in a string
8947         literal.
8948         * attribs.c (handle_dll_attribute): Likewise.
8949         * config/avr/avr-devices.c (avr_texinfo): Likewise.
8951         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
8952         warning_at or inform messages in G_() if there is no ?:.
8954         PR tree-optimization/89550
8955         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
8956         returned true.  Formatting fixes.
8957         (expand_builtin_strnlen): Formatting fixes.
8958         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
8959         if warning_at returned true.
8960         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
8962 2019-03-08  Richard Biener  <rguenther@suse.de>
8964         PR middle-end/89578
8965         * cfgloop.h (struct loop): Add owned_clique field.
8966         * cfgloopmanip.c (copy_loop_info): Copy it.
8967         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
8968         cliques.
8969         * tree-inline.c (copy_loops): Remap owned_clique.
8970         * lto-streamer-in.c (input_cfg): Stream owned_clique.
8971         * lto-streamer-out.c (output_cfg): Likewise.
8973 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
8975         PR target/80190
8976         * config/darwin.c: Include intl.h.
8977         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
8978         composing the message out of two separate parts.
8980 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
8982         PR target/80003
8983         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
8984         doesn't start with a capital letter and doesn't end with a dot.
8985         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
8986         with a capital letter.
8987         (ix86_mangle_function_version_assembler_name): Likewise.
8988         (ix86_generate_version_dispatcher_body): Likewise.
8989         (fold_builtin_cpu): Likewise.
8990         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
8991         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
8992         translators, wrap full type name in %qs.
8994         PR translation/79999
8995         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
8996         depend clause with source (or sink) modifier.
8997         * omp-expand.c (expand_omp_ordered_sink): Likewise.
8999         PR target/89602
9000         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
9001         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
9002         (avx512f_load<mode>_mask): New define_expand.
9003         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
9004         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
9005         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
9006         __builtin_ia32_movess_mask): New builtins.
9007         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
9008         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
9009         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
9010         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
9012 2019-03-07  Martin Jambor  <mjambor@suse.cz>
9014         PR lto/87525
9015         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
9016         for extern inline functions.
9018 2019-03-07  Martin Jambor  <mjambor@suse.cz>
9020         PR ipa/88235
9021         * cgraph.h (cgraph_node): New inline method former_thunk_p.
9022         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
9023         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
9024         have multiple callees.  At the end check if declarations match as
9025         opposed to cgraph_nodes.
9027 2019-03-07  Martin Liska  <mliska@suse.cz>
9029         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
9030         which is equivalent to searching for this in clones chain.
9031         * symtab.c (symtab_node::verify_base): Similarly compare ASM
9032         names with a neighbour and special case first node in a chain.
9034 2019-01-25  Jason Merrill  <jason@redhat.com>
9036         PR c++/80916 - spurious "static but not defined" warning.
9037         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
9038         for an internal symbol with DECL_EXTERNAL.
9040 2019-04-07  Richard Biener  <rguenther@suse.de>
9042         PR middle-end/89618
9043         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
9044         * tree-inline.c (copy_loops): Simplify.
9046 2019-03-07  Martin Liska  <mliska@suse.cz>
9048         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
9050 2019-03-07  Richard Biener  <rguenther@suse.de>
9052         PR tree-optimization/89595
9053         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
9054         stmt iterator as reference, take boolean output parameter to
9055         indicate whether the stmt was removed and thus the iterator
9056         already advanced.
9057         (dom_opt_dom_walker::before_dom_children): Re-iterate over
9058         stmts created by folding.
9060 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
9062         PR c++/89585
9063         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
9064         at toplevel.
9066 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
9068         PR rtl-optimization/88845
9069         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
9070         LRA.
9071         * lra.c (remove_scratches_1): New function.
9072         (remove_scratches): Use it.
9073         (lra_emit_move): Likewise.
9075 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
9077         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
9078         unaligned_access variable.
9079         * config/arc/arc.c (arc_override_options): Set unaligned access
9080         default on for HS CPUs.
9081         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
9083 2019-03-06  Martin Liska  <mliska@suse.cz>
9085         PR gcov-profile/89577
9086         * doc/gcov.texi: Prefer to use --coverage.
9087         * doc/sourcebuild.texi: Likewise.
9089 2019-03-02  Jason Merrill  <jason@redhat.com>
9091         PR c++/86485 - -Wmaybe-unused with empty class ?:
9092         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
9094 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
9096         PR target/89587
9097         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
9098         if_multiarch.
9100         PR middle-end/89590
9101         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
9102         exactly one argument.
9104 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
9105             Richard Sandiford  <richard.sandiford@arm.com>
9107         PR tree-optimization/89570
9108         * match.pd (vec_cond into cond_op simplification): Don't use
9109         get_conditional_internal_fn, use as_internal_fn (cond_op).
9111 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
9113         PR target/89222
9114         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
9115         to decide when to split off a non-zero offset from a symbol.
9116         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
9117         in function symbols.
9119 2019-03-05  Richard Biener  <rguenther@suse.de>
9121         PR tree-optimization/89594
9122         * tree-if-conv.c (pass_if_conversion::execute): Handle
9123         case where .LOOP_VECTORIZED_FUNCTION was removed.
9125 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
9127         PR bootstrap/89560
9128         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
9129         instead alloca it only when needed with the needed size.
9131         PR tree-optimization/89570
9132         * match.pd (vec_cond into cond_op simplification): Guard with
9133         vectorized_internal_fn_supported_p test and #if GIMPLE.
9135         PR tree-optimization/89566
9136         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
9137         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
9138         Punt if get_user_idx_format succeeds, but idx_format argument is
9139         not provided or doesn't have pointer type, or if idx_args is above
9140         number of provided arguments.
9142 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
9144         PR tree-optimization/89437
9145         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
9147 2019-03-04  Richard Biener  <rguenther@suse.de>
9149         PR middle-end/89572
9150         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
9151         safe_dyn_cast.
9153 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
9155         PR tree-optimization/89487
9156         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
9157         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
9158         (distribute_loop): Don't do runtime alias check if there is non-
9159         addressable data reference.
9160         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
9161         is a register variable.
9163 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
9165         PR target/89506
9166         * config/arm/arm.md (cmpsi2_addneg): Use
9167         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
9168         If operands[2] is 0 or INT_MIN, force use of subs.
9169         (*compare_scc splitter): Use gen_int_mode.
9170         (*negscc): Likewise.
9171         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
9173 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
9174             Monk Chiang  <sh.chiang04@gmail.com>
9176         * common/config/riscv/riscv-common.c: Include sstream.
9177         (riscv_subset_list::to_string): New.
9178         (riscv_arch_str): Likewise.
9179         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
9180         * config.in: Regen.
9181         * config/riscv/riscv-protos.h (riscv_arch_str): New.
9182         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
9183         (riscv_emit_attribute): New.
9184         (riscv_file_start): Emit attribute if needed.
9185         (riscv_option_override): Init riscv_emit_attribute_p.
9186         * config/riscv/riscv.opt (mriscv-attribute): New option.
9187         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
9188         * configure: Regen.
9189         * doc/install.texi: Document --with-riscv-attribute.
9190         * doc/invoke.texi: Document -mriscv-attribute.
9192         * common/config/riscv/riscv-common.c:
9193         Include config/riscv/riscv-protos.h.
9194         (INCLUDE_STRING): Defined.
9195         (RISCV_DONT_CARE_VERSION): Defined.
9196         (riscv_subset_t): Declare.
9197         (riscv_subset_t::riscv_subset_t): New.
9198         (riscv_subset_list): Declare.
9199         (riscv_subset_list::riscv_subset_list): New.
9200         (riscv_subset_list::~riscv_subset_list): Likewise.
9201         (riscv_subset_list::parsing_subset_version): Likewise.
9202         (riscv_subset_list::parse_std_ext): Likewise.
9203         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
9204         (riscv_subset_list::add): Likewise.
9205         (riscv_subset_list::lookup): Likewise.
9206         (riscv_subset_list::xlen): Likewise.
9207         (riscv_subset_list::parse): Likewise.
9208         (riscv_supported_std_ext): Likewise.
9209         (current_subset_list): Likewise.
9210         (riscv_parse_arch_string): Using riscv_subset_list::parse to
9211         parse.
9213 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
9215         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
9216         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
9217         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
9219 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
9221         PR rtl-optimization/85899
9222         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
9223         fallthru edges leading to the exit block.
9225 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
9227         PR target/89517
9228         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
9229         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
9231 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
9233         PR tree-optimization/89535
9234         * tree-vect-stmts.c (vectorizable_call): Record the vector types
9235         for each operand.  Calculate the fallback choice for mask operands
9236         and pass it to vect_get_vec_def_for_operand.
9238 2019-03-01  Richard Biener  <rguenther@suse.de>
9240         PR middle-end/89541
9241         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
9242         get virtual operands.
9243         (get_expr_operands): Handle CONST_DECL like other decls.
9245 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
9247         PR middle-end/89503
9248         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
9249         on DECL_P and EXPR_P.
9251 2019-03-01  Richard Biener  <rguenther@suse.de>
9253         PR middle-end/89497
9254         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
9255         argument, defaulted to zero.
9256         * passes.c (execute_function_todo): Pass down SSA update flags
9257         to cleanup_tree_cfg.
9258         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
9259         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
9260         form if requested.
9261         (cleanup_tree_cfg): Get and pass down SSA update flags.
9263 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
9265         PR bootstrap/89539
9266         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
9267         early_lto_debug argument.
9269 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
9271         PR tree-optimization/89536
9272         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
9273         only whether bit #0 of the value is 0 instead of the entire value.
9275 2019-02-28  Marek Polacek  <polacek@redhat.com>
9277         PR c++/87068 - missing diagnostic with fallthrough statement.
9278         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
9279         at the end of a seq, save its location to walk_stmt_info.
9280         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
9281         a switch.
9283 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
9285         PR lto/88585
9286         * tree.c (find_atomic_core_type): Move ahead in file.
9287         (check_base_type): Correctly compare alignments of atomic types.
9289 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9291         PR target/89455
9292         * config/i386/i386.c (get_builtin_code_for_version): Identify
9293         Westmere from PCLMUL, instead of AES.
9295 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
9297         PR target/89434
9298         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
9299         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
9300         -UINTVAL (...).
9302 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
9304         PR target/88530
9305         * config/aarch64/aarch64-option-extensions.def: Document it.
9306         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
9307         if empty hwcaps.
9309 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
9311         PR c/89520
9312         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
9313         builtins if they don't have a single scalar floating point argument.
9314         Formatting fixes.
9316 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9318         PR rtl-optimization/89490
9319         * varasm.c (get_block_for_section): Bail out for mergeable sections.
9320         (default_use_anchors_for_symbol_p, output_object_block): Assert the
9321         block section is not mergeable.
9323 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
9325         PR target/70341
9326         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
9327         old define_insn to ...
9328         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
9329         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
9330         Rename old define_insn to ...
9331         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
9332         (thumb2_casesi_internal_pic): New define_expand.  Rename old
9333         define_insn to ...
9334         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
9335         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
9336         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
9338 2019-02-27  Richard Biener  <rguenther@suse.de>
9340         PR debug/88878
9341         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
9343 2019-02-27  Richard Biener  <rguenther@suse.de>
9345         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
9346         building.
9348 2019-02-27  Richard Biener  <rguenther@suse.de>
9350         PR debug/88878
9351         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
9352         parameter, prefix section name with .gnu.debuglto_ if true.
9353         (dwarf2out_finish): Pass false to output_comdat_type_unit.
9354         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
9356 2019-02-27  Richard Biener  <rguenther@suse.de>
9358         PR debug/89514
9359         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
9360         rather than on use_debug_types, doing what output_die does.
9361         (value_format): Likewise.
9363 2019-02-27  Martin Jambor  <mjambor@suse.cz>
9364             Martin Sebor  <msebor@redhat.com>
9366         * doc/invoke.texi (Warning Options): Reword description of
9367         -Wno-absolute-value.
9369 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
9371         PR tree-optimization/89280
9372         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
9373         builtin_setjmp_setup_bb): New functions.
9374         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
9375         When visiting __builtin_setjmp_setup block, queue in special
9376         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
9377         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
9378         from visited after the loop if they don't have any visited successor
9379         blocks.
9381 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
9383         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
9384         New function.
9385         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
9387 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
9389         PR c++/89507
9390         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
9391         with types other than sizetype/ssizetype.
9393 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
9395         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
9396         (enum sparc_processor_type): ...this.
9397         (enum sparc_code_model_type): New enumeration type.
9398         (enum sparc_memory_model_type): Tweak comments.
9399         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
9400         (mtune): Likewise.
9401         (mcmodel): Use sparc_code_model enumeration and variable.
9402         (sparc_code_model): New enumeration.
9403         (mdebug): Add Undocumented marker.
9404         * config/sparc/sparc.h (enum cmodel): Delete.
9405         (sparc_cmodel): Likewise.
9406         (TARGET_CM_MEDLOW): Adjust to above renaming.
9407         (TARGET_CM_MEDMID): Likewise.
9408         (TARGET_CM_MEDANY): Likewise.
9409         (TARGET_CM_EMBMEDANY): Likewise.
9410         * config/sparc/sparc.c (sparc_cmodel): Delete.
9411         (sparc_option_override): Remove string/value mapping support for the
9412         code model.  Move code and memory model support to after the handling
9413         of target flags.  Do private machine setup last.
9414         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
9415         (sparc_legitimize_reload_address): Likewise.
9416         (sparc_output_mi_thunk): Likewise.
9417         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
9419 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
9421         PR tree-optimization/89500
9422         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
9423         (handle_builtin_strlen): Remove noncst_bound variable.  Always
9424         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
9425         cst if the first cst bytes starting at x are known to be non-zero,
9426         even if the string is not zero terminated.  Don't try to modify
9427         *si for strnlen.  Update strlen_to_stridx only for strlen or if
9428         we can prove strnlen returns the same value as strlen would.
9430 2019-02-26  Martin Liska  <mliska@suse.cz>
9432         * alloc-pool.h (struct pool_usage): Remove extra
9433         print_dash_line.
9434         * bitmap.h (struct bitmap_usage): Likewise.
9435         * ggc-common.c (struct ggc_usage): Likewise.
9436         * mem-stats.h (struct mem_usage): Likewise.
9437         (mem_alloc_description::dump): Print dash lines
9438         here and repeat header at the end of a table report.
9439         It's then more readable.
9440         * tree-phinodes.c (phinodes_print_statistics): Make
9441         horizontal alignment.
9442         * tree-ssanames.c (ssanames_print_statistics): Likewise.
9443         * vec.c (struct vec_usage): Remove extra print_dash_line.
9444         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
9446 2019-02-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
9448         * doc/extend.texi (__builtin_object_size):
9449         Use @pxref instead of @xref inside parenthesis.
9450         (__builtin_has_attribute): Add missing comma after @xref.
9451         (__builtin_object_size): Ditto.
9452         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
9453         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
9454         in the list.
9456 2019-02-26  Jeff Law  <law@redhat.com>
9458         PR rtl-optimization/87761
9459         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
9460         detect obviously dead insns and delete them.
9462 2019-02-26  Richard Biener  <rguenther@suse.de>
9464         PR tree-optimization/89505
9465         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
9466         to handle restrict pointed-to vars with multiple subvars
9467         correctly.
9469 2019-02-26  Richard Biener  <rguenther@suse.de>
9471         PR tree-optimization/89489
9472         * tree-parloops.c (create_loop_fn): Copy over last_clique.
9474 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
9476         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
9477         and move around comment.
9478         <BIT_AND_EXPR>: Likewise.
9479         <BIT_NOT_EXPR>: Add specific handling for boolean types.
9481 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
9483         PR target/89474
9484         * config/i386/i386.c (remove_partial_avx_dependency): Call
9485         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
9486         after changing possibly many instructions to use that pseudo.  Fix up
9487         insertion of v4sf_const0 setter at the start of bb.
9489 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
9491         PR c/80409
9492         * doc/extend.texi (Variadic Pointer Args): New section.
9494 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
9495             Martin Sebor  <msebor@gmail.com>
9497         * common.opt (Wattribute-alias): Likewise.
9498         * doc/invoke.texi (Option Summary): List general form of
9499         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
9500         (-Wmissing-attributes): Invert entry, rewrite and correct default.
9501         Add cross-references.
9502         (-Wattribute-alias): Rewrite and correct default.  Mention
9503         considered attributes (same as for -Wmissing-attributes).
9505 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
9507         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
9508         (_mm_cvtpd_ps): Likewise.
9509         (_mm_cvttpd_epi32): Likewise.
9511         PR target/89338
9512         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
9513         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
9515         PR target/89339
9516         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
9518 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
9520         PR target/88530
9521         * common/config/aarch64/aarch64-common.c
9522         (struct aarch64_option_extension): Add is_synthetic.
9523         (all_extensions): Use it.
9524         (TARGET_OPTION_INIT_STRUCT): Define hook.
9525         (struct gcc_targetm_common): Moved to end.
9526         (all_extensions_by_on): New.
9527         (opt_ext_cmp, typedef opt_ext): New.
9528         (aarch64_option_init_struct): New.
9529         (aarch64_contains_opt): New.
9530         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
9531         * config/aarch64/aarch64-option-extensions.def
9532         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
9533         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
9534         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
9535         Set is_synthetic to false.
9536         (crypto): Set is_synthetic to true.
9537         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
9538         SYNTHETIC.
9540 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
9542         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
9543         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
9544         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
9545         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
9546         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
9547         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
9548         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
9549         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
9550         Rename ...
9551         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
9552         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
9553         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
9554         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
9555         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
9556         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
9557         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
9558         vfmlsl_laneq_high_f16): ... To this.
9559         * config/arm/neon.md: Update comments.
9561 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
9563         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
9564         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
9565         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
9566         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
9567         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
9568         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
9569         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
9570         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
9571         Rename ...
9572         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
9573         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
9574         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
9575         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
9576         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
9577         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
9578         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
9579         vfmlslq_laneq_high_f16): ... To this.
9581 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
9583         PR rtl-optimization/86096
9584         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
9585         comparing mw_order values.
9587 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
9589         PR target/89434
9590         * config/arm/arm.md (*subsi3_carryin_const): Use
9591         arm_neg_immediate_operand predicate instead of
9592         arm_not_immediate_operand, "L" constraint instead of "K" and
9593         print it using %n2 instead of %B2.
9594         (*subsi3_carryin_const0): New define_insn.
9595         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
9596         instead of arm_not_operand and "I" constraint instead of "K" and
9597         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
9598         another match_operand and in the condition check that it is negation
9599         of operands[2].
9600         (*subsi3_carryin_compare_const0): New define_ins.
9601         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
9602         *subsi3_carryin_const.
9603         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
9604         split into *subsi3_carryin_compare_const0 if the highpart is zero.
9606         PR target/89438
9607         * config/arm.vfp.md (*negdf2_vfp): Use
9608         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
9609         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
9611 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
9613         PR rtl-optimization/89445
9614         * simplify-rtx.c (simplify_ternary_operation): Don't use
9615         simplify_merge_mask on operands that may trap.
9616         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
9617         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
9618         second operand is CONST_VECTOR, check if any element could be zero.
9619         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
9620         their operands can trap.
9622 2019-02-23  Martin Sebor  <msebor@redhat.com>
9624         * gimple-ssa-sprintf.c (target_strtol): Rename...
9625         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
9626         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
9627         check for range error.
9629 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
9631         PR driver/69471
9632         * opts-common.c (prune_options): Also prune joined switches
9633         with Negative and RejectNegative.
9634         * config/i386/i386.opt (march=): Add Negative(march=).
9635         (mtune=): Add Negative(mtune=).
9636         * doc/options.texi: Document Negative used together with Joined
9637         and RejectNegative.
9639 2019-02-22  Martin Sebor  <msebor@redhat.com>
9641         * doc/extend.texi (Other Builtins): Add
9642         __builtin_is_constant_evaluated.
9644 2019-02-22  Richard Biener  <rguenther@suse.de>
9646         PR tree-optimization/87609
9647         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
9649 2019-02-22  Jeff Law  <law@redhat.com>
9651         PR rtl-optimization/87761
9652         * config/mips/mips.md: Add new combiner pattern to recognize
9653         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
9655 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
9657         PR target/89324
9658         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
9659         destination register in peepholes generating patterns for ADDS/SUBS.
9660         (add<mode>3_compare0,
9661         *addsi3_compare0_uxtw, add<mode>3_compareC,
9662         add<mode>3_compareV_imm, add<mode>3_compareV,
9663         *adds_<optab><ALLX:mode>_<GPI:mode>,
9664         *subs_<optab><ALLX:mode>_<GPI:mode>,
9665         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
9666         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
9667         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
9668         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
9669         sub<mode>3_compare1): Allow stack pointer for source register.
9670         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
9672 2019-02-22  Martin Sebor  <msebor@redhat.com>
9674         PR tree-optimization/88993
9675         PR tree-optimization/88853
9676         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
9677         New helper.
9678         (sprintf_dom_walker::call_info::is_string_func): New helper.
9679         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
9680         for formatted string functions.
9681         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
9683 2019-02-22  Martin Sebor  <msebor@redhat.com>
9685         PR c/89425
9686         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
9687         unreachable subexpressions.
9689 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
9690             Hongtao Liu  <hongtao.liu@intel.com>
9691             Sunil K Pandey  <sunil.k.pandey@intel.com>
9693         PR target/87007
9694         * config/i386/i386-passes.def: Add
9695         pass_remove_partial_avx_dependency.
9696         * config/i386/i386-protos.h
9697         (make_pass_remove_partial_avx_dependency): New.
9698         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
9699         New function.
9700         (pass_data_remove_partial_avx_dependency): New.
9701         (pass_remove_partial_avx_dependency): Likewise.
9702         (make_pass_remove_partial_avx_dependency): Likewise.
9703         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
9704         (*extendsfdf2): Add avx_partial_xmm_update.
9705         (truncdfsf2): Likewise.
9706         (*float<SWI48:mode><MODEF:mode>2): Likewise.
9707         (SF/DF conversion splitters): Disabled for TARGET_AVX.
9709 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
9711         PR middle-end/85598
9712         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
9713         analysis for pass.
9715 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
9717         PR target/89444
9718         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
9719         (PTA_SKYLAKE): Add PTA_AES.
9720         (PTA_GOLDMONT): Likewise.
9722 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
9724         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
9725         instruction if enabled.
9726         (aarch64_override_options): Remove reference to return address key.
9728 2019-02-22  Richard Biener  <rguenther@suse.de>
9730         PR tree-optimization/89440
9731         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
9732         not necessary assert.
9734 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
9736         PR fortran/72741
9737         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
9738         (oacc_replace_fn_attrib_attr): ... this new function.
9739         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
9740         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
9742 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9744         * config/arm/arm-cpus.in (ares): Rename to...
9745         (neoverse-n1): ... This.  Add ares as alias.
9746         * config/arm/arm-tables.opt: Regenerate.
9747         * config/arm/arm-tune.md: Likewise.
9748         * doc/invoke.txt (ARM Options): Document neoverse-n1.
9750 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9752         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
9753         * config/aarch64/aarch64-tune.md: Regenerate.
9754         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
9756 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9758         * config/aarch64/aarch64.c (ares_tunings): Rename to...
9759         (neoversen1_tunings): ... This.
9760         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
9761         (neoverse-n1): New CPU.
9762         * config/aarch64/aarch64-tune.md: Regenerate.
9763         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
9765 2019-02-22  Richard Biener  <rguenther@suse.de>
9767         PR middle-end/87609
9768         * cfghooks.h (dependence_hash): New typedef.
9769         (struct copy_bb_data): New type.
9770         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
9771         (duplicate_block): Likewise.
9772         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
9773         (copy_bbs): Create and pass down copy_bb_data.
9774         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
9775         (rtl_duplicate_bb): Likewise.
9776         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
9777         remap dependence info.
9779 2019-02-22  Richard Biener  <rguenther@suse.de>
9781         PR tree-optimization/87609
9782         * tree-core.h (tree_base): Document special clique values.
9783         * tree-inline.c (remap_dependence_clique): Do not use the
9784         special clique value of one.
9785         (maybe_set_dependence_info): Use clique one.
9786         (clear_dependence_clique): New callback.
9787         (compute_dependence_clique): Clear clique one from all refs
9788         before assigning it (again).
9790 2019-02-21  Martin Sebor  <msebor@redhat.com>
9792         * doc/extend.texi (__clear_cache): Correct signature.
9794 2019-02-21  Ian Lance Taylor  <iant@golang.org>
9796         PR go/89170
9797         * varasm.c (decode_addr_const): Call lookup_constant_def rather
9798         than output_constant_def.
9799         (add_constant_to_table): New static function.
9800         (output_constant_def): Call add_constant_to_table.
9801         (tree_output_constant_def): Likewise.
9803 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
9805         PR c++/89285
9806         * builtins.c (fold_builtin_arith_overflow): If first two args are
9807         INTEGER_CSTs, set intres and ovfres to constants rather than calls
9808         to ifn.
9810 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9812         PR target/87412
9813         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
9814         error for -mindirect-branch/-mfunction-return with incompatible
9815         -fcf-protection.
9817 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
9819         PR bootstrap/88714
9820         * constraints.md (q): Remove.
9821         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
9822         instead of q.
9824 2019-02-21  Martin Jambor  <mjambor@suse.cz>
9826         PR hsa/89302
9827         * omp-general.c (omp_extract_for_data): Removed a duplicate call
9828         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
9829         (omp_adjust_for_condition): ...here.  Added necessary parameters.
9830         * omp-general.h (omp_adjust_for_condition): Updated declaration.
9831         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
9832         proper values to new parameters of omp_adjust_for_condition.
9834 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
9836         PR middle-end/89412
9837         * expr.c (expand_assignment): If result is a MEM, use change_address
9838         instead of simplify_gen_subreg.
9840 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
9841             David Malcolm  <dmalcolm@redhat.com>
9843         PR middle-end/89091
9844         * fold-const.c (decode_field_reference): Return NULL_TREE if
9845         lang_hooks.types.type_for_size returns NULL.  Check it before
9846         overwriting *exp_.  Use return NULL_TREE instead of return 0.
9848 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
9850         PR middle-end/88074
9851         PR middle-end/89415
9852         * toplev.c (do_compile): Double the emin/emax exponents to workaround
9853         buggy mpc_norm.
9855 2019-02-20  UroÅ¡ Bizjak  <ubizjak@gmail.com>
9857         PR target/89397
9858         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
9859         TARGET_SSE in addition to TARGET_SSE_MATH.
9861         (ix86_excess_precision): Ditto.
9862         (ix86_float_exceptions_rounding_supported_p): Ditto.
9863         (use_rsqrt_p): Ditto.
9864         * config/i386/sse.md (rsqrt<mode>2): Ditto.
9866 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
9868         PR c/89410
9869         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
9870         linenum_arith_t when determining if two adjacent line spans are
9871         close enough to merge.
9872         (diagnostic_show_locus): Use linenum_arith_t when iterating over
9873         lines within each line_span.
9875 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
9877         PR target/86487
9878         * lra-constraints.c(uses_hard_regs_p): Fix handling of
9879         paradoxical SUBREGS.
9881 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
9883         PR target/88100
9884         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
9885         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
9886         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
9887         range checking it.
9889 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
9891         * config/gcn/gcn.c (print_operand): Fix typo.
9893 2019-02-19  Richard Biener  <rguenther@suse.de>
9895         PR middle-end/88074
9896         * toplev.c (do_compile): Initialize mpfr's exponent range
9897         based on available float modes.
9899 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
9901         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
9902         as long as the epilogue isn't completed.
9904 2019-02-18  Martin Sebor  <msebor@redhat.com>
9906         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
9907         __has_cpp_attribute, and __has_include.
9909 2019-02-18  Martin Sebor  <msebor@redhat.com>
9911         * doc/invoke.texi (-Wreturn-type): Correct and expand.
9913 2019-02-18  Martin Sebor  <msebor@redhat.com>
9915         PR middle-end/89294
9916         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
9917         expression.
9918         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
9920 2019-02-18  Richard Biener  <rguenther@suse.de>
9922         PR tree-optimization/89296
9923         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
9924         of no-warning flag to cases that might emit the bogus warning.
9926 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
9928         PR bootstrap/88714
9929         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
9930         "q" constraint.
9931         * config/arm/vfp.md (*movdi_vfp): Likewise.
9932         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
9933         "q" constraint for operands[0].
9935         PR target/89369
9936         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
9937         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
9938         pattern in a temporary buffer.
9939         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
9940         than 64-operands[2].
9942         PR target/89361
9943         * config/s390/s390.c (s390_indirect_branch_attrvalue,
9944         s390_indirect_branch_settings): Define unconditionally.
9945         (s390_set_current_function): Likewise, but guard the whole body except
9946         the s390_indirect_branch_settings call with
9947         #if S390_USE_TARGET_ATTRIBUTE.
9948         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
9950         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
9951         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
9952         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
9953         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
9954         HOST_WIDE_INT_1U instead of 1ULL.
9955         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
9956         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
9957         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
9958         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
9959         instead of 1UL.
9960         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
9961         instead of 1ul.
9963 2019-02-18  Martin Jambor  <mjambor@suse.cz>
9965         PR tree-optimization/89209
9966         * tree-sra.c (create_access_replacement): New optional parameter
9967         reg_tree.  Use it as a type if non-NULL and access type is not of
9968         a register type.
9969         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
9970         to create_access_replacement.
9971         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
9972         Check lacc is non-NULL before attempting to re-create it on the RHS.
9974 2019-02-18  Martin Liska  <mliska@suse.cz>
9976         PR ipa/89306
9977         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
9978         by default.
9979         (symbol_table::free_edge): Recycle m_summary_id.
9980         * cgraph.h (get_summary_id): New.
9981         (symbol_table::release_symbol): Set m_summary_id to -1
9982         by default.
9983         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
9984         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
9985         function_summary to fast_function_summary.
9986         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
9987         * ipa-pure-const.c (class funct_state_summary_t):
9988         Switch from function_summary to fast_function_summary.
9989         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
9990         (class ipa_ref_opt_summary_t): Switch from function_summary
9991         to fast_function_summary.
9992         * symbol-summary.h (class function_summary_base): New class
9993         that is created from base of former function_summary.
9994         (function_summary_base::unregister_hooks): New.
9995         (class function_summary): Inherit from function_summary_base.
9996         (class call_summary_base): New class
9997         that is created from base of former call_summary.
9998         (class call_summary): Inherit from call_summary_base.
9999         (struct is_same): New.
10000         (class fast_function_summary): New summary class.
10001         (class fast_call_summary): New summary class.
10002         * vec.h (vec_safe_grow_cleared): New function.
10004 2019-02-18  Martin Liska  <mliska@suse.cz>
10006         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
10007         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
10008         * doc/tm.texi: Document new target hook.
10009         * doc/tm.texi.in: Likewise.
10010         * target.def: Add new target macro.
10011         * gcc.c (find_fortran_preinclude_file): Do not search multilib
10012         suffixes.
10014 2019-02-17  Alan Modra  <amodra@gmail.com>
10016         PR target/89271
10017         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
10018         output reg on add insn.
10019         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
10021 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10023         PR target/89372
10024         * config/i386/sse.md (ssedoublemode): Remove V4HI.
10025         (PMULHRSW): Likewise.
10026         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
10027         TARGET_AVX2.
10028         (ssse3_pmulhrswv4hi3): New expander.
10030 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10032         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
10033         MMX.  Add isa attribute.
10035 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
10037         PR rtl-optimization/66152
10038         * builtins.h (c_readstr): Declare.
10039         * builtins.c (c_readstr): Remove forward declaration.  Add
10040         null_terminated_p argument, if false, read all bytes from the
10041         string instead of stopping after '\0'.
10042         * expr.c (string_cst_read_str): New function.
10043         (store_expr): Use string_cst_read_str instead of
10044         builtin_strncpy_read_str.  Try to store by pieces the whole
10045         exp_len first, and only if that fails, split it up into
10046         store by pieces followed by clear_storage.  Formatting fix.
10048         * config/i386/i386.md (*movqi_internal): Remove static from
10049         buf variable.  Use output_asm_insn (buf, operands); return "";
10050         instead of return buf;.
10051         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
10052         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
10053         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
10055 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
10057         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
10058         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
10059         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
10060         (CC1_SPEC): Likewise.
10061         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
10063 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
10065         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
10066         the base address on 64-bit strict-alignment platforms.
10068 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10070         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
10072 2019-02-15  UroÅ¡ Bizjak  <ubizjak@gmail.com>
10074         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
10076 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
10078         PR rtl-optimization/88308
10079         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
10080         on copied instruction.
10082 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
10084         * final.c (insn_current_reference_address): Replace test on JUMP_P
10085         with test on jump_to_label_p.
10086         * config/visium/visium-passes.def: New file.
10087         * config/visium/t-visium (PASSES_EXTRA): Define.
10088         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
10089         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
10090         (TRAMPOLINE_ALIGNMENT): Define.
10091         * config/visium/visium.c (visium_option_override): Do not register
10092         the machine-specific reorg pass here.
10093         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
10094         for the GR6.
10095         (output_branch): Adjust threshold for long branch instruction.
10096         * config/visium/visium.md (cpu): Move around.
10097         (length): Adjust for the GR6.
10099 2019-02-15  Richard Biener  <rguenther@suse.de>
10100             Jakub Jelinek  <jakub@redhat.com>
10102         PR tree-optimization/89278
10103         * tree-loop-distribution.c: Include tree-eh.h.
10104         (generate_memset_builtin, generate_memcpy_builtin): Call
10105         rewrite_to_non_trapping_overflow on builtin->size before passing it
10106         to force_gimple_operand_gsi.
10108 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
10110         PR other/89342
10111         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
10112         optimize_debug.
10113         * opth-gen.awk: Likewise.
10115 2019-02-15  UroÅ¡ Bizjak  <ubizjak@gmail.com>
10117         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
10118         Enable MMX, SSE and SSE2 by default.
10119         * config/i386/i386.c (ix86_option_override_internal): Do not
10120         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
10122 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
10124         PR rtl-optimization/89354
10125         * combine.c (make_extraction): Punt if extraction_mode is narrower
10126         than len bits.
10128 2019-02-14  Maya Rashish  <coypu@sdf.org>
10130         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
10131         * config/netbsd-d.c: New file.
10132         * config/t-netbsd: Add netbsd-d.o
10134 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
10136         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
10137         affects_type_identity to true for aarch64_vector_pcs.
10138         (aarch64_comp_type_attributes): New function.
10139         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
10141 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
10143         PR target/88850
10144         * config/arm/iterators.md (ANY64): Add V4HF.
10146 2019-02-14  Martin Liska  <mliska@suse.cz>
10148         PR rtl-optimization/89242
10149         * dce.c (delete_unmarked_insns): Call free_dominance_info we
10150         process a transformation.
10152 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
10154         PR tree-optimization/89314
10155         * fold-const.c (fold_binary_loc): Cast strlen argument to
10156         const char * before dereferencing it.  Formatting fixes.
10158         PR middle-end/89284
10159         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
10161 2019-02-13  Ian Lance Taylor  <iant@golang.org>
10163         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
10164         and set current index for other optimizations.
10166 2019-02-13  UroÅ¡ Bizjak  <ubizjak@gmail.com>
10168         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
10169         nonimmediate_operand as operand 2 predicate.
10170         (vec_set<VF2_512_256:mode>_0): Ditto.
10171         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
10172         (*vec_concatv2si): Remove alternative 2.
10173         (*vec_concatv4si_0): Use vm constraint for alternative 0.
10174         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
10175         (vec_concatv2di): Split alternatives 4,5,6 to ...
10176         (*vec_concatv2di_0) ... new pattern.
10178 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
10180         PR target/89190
10181         * config/arm/arm.c (ldm_stm_operation_p) Set
10182         addr_reg_in_reglist correctly for first register.
10183         (load_multiple_sequence): Remove dead base check.
10184         (gen_ldm_seq): Correctly set write_back for Thumb-1.
10186 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
10188         PR target/88847
10189         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
10190         Expose as @aarch64_pred_mov.
10191         * config/aarch64/aarch64.c (aarch64_classify_address):
10192         Use expand_insn which legitimizes operands.
10194 2019-02-13  Martin Liska  <mliska@suse.cz>
10196         * builtins.h (expand_builtin_with_bounds): Remove declaration.
10197         * calls.c (struct arg_data): Remove special_slot, pointer_arg
10198         and pointer_offset fields.
10199         (initialize_argument_information): Remove usage of dead
10200         fields.
10201         * cgraph.h (struct cgraph_thunk_info): Remove
10202         add_pointer_bounds_args.
10203         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
10204         fields.
10205         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
10206         fields.
10207         * config/i386/i386.c (ix86_function_arg_advance): Remove
10208         unrelated comment.
10209         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
10210         (def_builtin):  Remove usage of dead
10211         fields.
10212         (ix86_add_new_builtins): Likewise.
10213         * ipa-fnsummary.c (compute_fn_summary): Likewise.
10214         * ipa-icf.c (sem_function::equals_wpa): Likewise.
10215         (sem_function::init): Likewise.
10216         (sem_variable::merge): Likewise.
10217         * ipa-visibility.c (function_and_variable_visibility): Likewise.
10218         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
10219         * lto-cgraph.c (lto_output_node): Likewise.
10220         (lto_output_varpool_node): Likewise.
10221         (input_node): Likewise.
10222         (input_varpool_node): Likewise.
10223         * lto-streamer-out.c (lto_output): Likewise.
10224         * tree-inline.c (expand_call_inline): Remove usage of
10225         assign_stmts.
10226         * tree-inline.h (struct copy_body_data): Likewise.
10227         * varpool.c (varpool_node::dump): Likewise.
10229 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
10231         PR middle-end/89303
10232         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
10233         into pt->vars_contains_escaped_heap instead of setting
10234         pt->vars_contains_escaped_heap to it.
10236         PR middle-end/89281
10237         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
10238         INTVAL (size), compare it to GET_MODE_MASK instead of
10239         1 << GET_MODE_BITSIZE.
10241         PR target/89290
10242         * config/i386/predicates.md (x86_64_immediate_operand): Allow
10243         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
10244         -mcmodel=large.
10246 2019-02-13  Martin Liska  <mliska@suse.cz>
10248         PR lto/88858
10249         * cfgrtl.c (remove_barriers_from_footer): New function.
10250         (try_redirect_by_replacing_jump): Use it.
10251         (cfg_layout_redirect_edge_and_branch): Likewise.
10253 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
10255         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
10256         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
10257         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
10258         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
10259         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
10260         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
10261         New BU_CRYPTO_2.
10262         * config/rs6000/rs6000.c (builtin_function_type)
10263         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
10264         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
10265         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
10266         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
10267         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
10269 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
10271         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
10272         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
10274 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10276         PR target/89229
10277         * config/i386/i386.md (*movoi_internal_avx): Revert revision
10278         268678 and revision 268657.
10279         (*movti_internal): Likewise.
10281 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
10283         PR target/89233
10284         * config/s390/s390.c (s390_decompose_address): Update comment.
10285         (s390_check_qrst_address): Reject invalid address forms after
10286         LRA.
10288 2019-02-12  Martin Liska  <mliska@suse.cz>
10290         PR lto/88876
10291         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
10292         we need default values of funct_state for a function that
10293         is not optimized.
10295 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10297         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
10298         the object to pick the size of stores on strict-alignment platforms.
10300         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
10301         (*movdi_insn_sp32): Likewise.
10302         (*movdi_insn_sp64): Likewise.
10304 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
10306         PR lto/88677
10307         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
10308         types that needs constructiong.
10309         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
10311 2019-02-12  Richard Biener  <rguenther@suse.de>
10313         PR tree-optimization/89253
10314         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
10315         duplicate the loop.
10317 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
10319         PR lto/88147
10320         * input.c (selftest::test_line_offset_overflow): New selftest.
10321         (selftest::input_c_tests): Call it.
10323 2019-02-11  Martin Sebor  <msebor@redhat.com>
10325         PR tree-optimization/88771
10326         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
10327         when -Wstringop-overflow is set.
10328         (builtin_memref::builtin_memref): Adjust excessive upper bound
10329         only when lower bound is not excessive.
10330         (maybe_diag_overlap): Detect and diagnose excessive bounds via
10331         -Wstringop-ovefflow.
10332         (maybe_diag_offset_bounds): Rename...
10333         (maybe_diag_access_bounds): ...to this.
10334         (check_bounds_or_overlap): Adjust for name change above.
10336 2019-02-11  Martin Sebor  <msebor@redhat.com>
10338         PR c++/87996
10339         * builtins.c (max_object_size): Move from here...
10340         * builtins.h (max_object_size): ...and here...
10341         * tree.c (max_object_size): ...to here...
10342         * tree.h (max_object_size): ...and here.
10344 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
10346         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
10347         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
10348         for correct semantics.
10350 2019-02-11  Alan Modra  <amodra@gmail.com>
10352         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
10353         -mlongcall and -mpltseq.
10354         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
10355         (RS/6000 and PowerPC Options <-mpltseq>): Document.
10356         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
10357         * config/rs6000/sysv4.opt (mpltseq): New option.
10358         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
10359         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
10360         support is lacking.  Don't allow -mpltseq with -mbss-plt.
10361         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
10362         -mpltseq given for ELFv1.
10363         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
10364         Only use UNSPEC_PLTSEQ for inline PLT calls.
10365         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
10366         use UNSPEC_PLTSEQ for inline PLT calls.
10367         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
10368         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
10369         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
10370         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
10371         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
10372         (pltseq_mtctr_<mode>): Likewise.
10374 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10376         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
10377         Solaris ld.
10378         * configure: Regenerate.
10380 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
10382         PR bootstrap/88714
10383         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
10384         instead of r.
10386 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
10388         * function.c (assign_parm_setup_block): Use the stored
10389         size, not the passed size, when allocating stack-space,
10390         also for a parameter with alignment larger than
10391         MAX_SUPPORTED_STACK_ALIGNMENT.
10393 2019-02-11  Martin Liska  <mliska@suse.cz>
10395         PR ipa/89009
10396         * ipa-cp.c (build_toporder_info): Remove usage of a param.
10397         * ipa-inline.c (inline_small_functions): Likewise.
10398         * ipa-pure-const.c (propagate_pure_const): Likewise.
10399         (propagate_nothrow): Likewise.
10400         * ipa-reference.c (propagate): Likewise.
10401         * ipa-utils.c (struct searchc_env): Remove unused field.
10402         (searchc): Always search across AVAIL_INTERPOSABLE.
10403         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
10404         the only called IPA pure const can properly not propagate
10405         across interposable boundary.
10406         * ipa-utils.h (ipa_reduced_postorder): Remove param.
10408 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
10410         * config/nds32/nds32.md (call_internal, call_value_internal,
10411         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
10413 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
10415         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
10416         typo.
10418 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10420         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
10421         in comments
10423 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
10425         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
10427 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
10429         PR tree-optimization/89268
10430         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
10431         if preds is non-NULL.
10433 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
10435         PR lto/89272
10436         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
10437         polymorphic types.
10439 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
10441         * config/nds32/nds32.md (trap): New pattern.
10443 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
10445         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
10446         dwarf span.
10448 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
10450         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
10451         to split POST_INC.
10453 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
10455         * ipa-visibility.c (localize_node): Also do not localize
10456         LDPR_PREVAILING_DEF_IRONLY_EXP.
10458 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
10460         PR lto/87957
10461         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
10462         instead of type_with_linkage.
10464 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
10466         PR ipa/88755
10467         * params.def (uninlined-function-insns, uninlined-function-time,
10468         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
10469         bound so we don't get overflows.
10471 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
10473         * config/rs6000/rs6000-string.c (expand_compare_loop,
10474         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
10475         memcmp/strncmp.
10477 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
10479         PR middle-end/89246
10480         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10481         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
10482         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
10484 2019-02-09  Alan Modra  <amodra@gmail.com>
10486         PR target/88343
10487         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
10488         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
10489         setup.
10491 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
10493         PR middle-end/88560
10494         * lra-constraints.c (process_alt_operands): Don't increase reject
10495         for memory when offset memory is required.
10497 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
10499         * config/s390/vector.md: Implement vector copysign.
10501 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
10503         * expr.c (expand_constructor): Correct indentations.
10505 2019-02-08  Richard Biener  <rguenther@suse.de>
10507         PR tree-optimization/89247
10508         * tree-if-conv.c: Include tree-cfgcleanup.h.
10509         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
10510         (tree_if_conversion): Pass through predicate vector.
10511         (pass_if_conversion::execute): Do CFG cleanup and SSA update
10512         inline, see if any if-converted loops we refrece in
10513         LOOP_VECTORIZED calls vanished and fixup.
10514         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
10516 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
10518         * config/s390/constraints.md (jdd): New constraint.
10520 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
10522         PR target/89229
10523         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
10524         upper 16 vector registers without TARGET_AVX512VL.
10525         (*movti_internal): Likewise.
10527 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
10529         PR rtl-optimization/89234
10530         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
10531         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
10532         (copy_reg_eh_region_note_backward): Likewise.
10534 2019-02-08  Richard Biener  <rguenther@suse.de>
10536         PR middle-end/89223
10537         * tree-data-ref.c (initialize_matrix_A): Fail if constant
10538         doesn't fit in HWI.
10539         (analyze_subscript_affine_affine): Handle failure from
10540         initialize_matrix_A.
10542 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
10544         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
10545         cfun everywhere.
10547 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
10549         PR tree-optimization/86637
10550         PR tree-optimization/89235
10551         * tree-vect-loop.c (optimize_mask_stores): Add an
10552         auto_purge_vect_location sentinel to ensure that vect_location is
10553         purged on exit.
10554         * tree-vectorizer.c
10555         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
10556         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
10557         to ensure that vect_location is purged on exit.
10558         (pass_slp_vectorize::execute): Likewise, replacing the manual
10559         reset.
10560         * tree-vectorizer.h (class auto_purge_vect_location): New class.
10562 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10564         * config/aarch64/iterators.md (max_opp): New code_attr.
10565         (USMAX): New code iterator.
10566         * config/aarch64/predicates.md (aarch64_smin): New predicate.
10567         (aarch64_smax): Likewise.
10568         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
10569         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
10570         MINUS (MAX MIN).
10572 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
10574         PR target/89229
10575         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
10576         for TARGET_AVX512VL.
10577         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
10579 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
10581         * config/s390/s390-builtin-types.def: Add new types.
10582         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
10583         (s390_vec_xlw4): Make the memory operand into a const pointer.
10584         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
10585         float.
10586         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
10587         a new vector type with the alignment of the scalar memory operand.
10589 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
10590             Jakub Jelinek  <jakub@redhat.com>
10592         PR bootstrap/88714
10593         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
10594         arm_count_ldrdstrd_insns): New declarations.
10595         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
10596         MINUS.
10597         (valid_operands_ldrd_strd): New function.
10598         (arm_count_ldrdstrd_insns): New function.
10599         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
10600         sets instead of single DImode set and define new insns to match this.
10602 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
10604         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
10605         Make it a C initializer.
10607 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
10609         PR/target 88850
10610         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
10612 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10614         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
10615         Use neon_dot<q> for type.
10616         (neon_<sup>dot_lane<vsi2qi>): Likewise.
10618 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10620         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
10621         Use neon_dot<q> for type.
10622         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
10623         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
10625 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
10627         PR rtl-optimization/89225
10628         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
10629         sizes check.
10631 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
10633         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
10634         after restoring registers saved to allocate the frame on Windows.
10636 2019-02-06  Richard Biener  <rguenther@suse.de>
10638         PR tree-optimization/89182
10639         * graphite.h (cached_scalar_evolution_in_region): Declare.
10640         * graphite.c (struct seir_cache_key): New.
10641         (struct sese_scev_hash): Likewise.
10642         (seir_cache): New global.
10643         (cached_scalar_evolution_in_region): New function.
10644         (graphite_transform_loops): Allocate and release seir_cache.
10645         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
10646         cached_scalar_evolution_in_region.
10647         * graphite-scop-detection.c (scop_detection::can_represent_loop):
10648         Simplify.
10649         (scop_detection::graphite_can_represent_expr: Use
10650         cached_scalar_evolution_in_region.
10651         (scop_detection::stmt_simple_for_scop_p): Likewise.
10652         (find_params_in_bb): Likewise.
10653         (gather_bbs::before_dom_children): Likewise.
10654         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
10655         (add_loop_constraints): Likewise.
10657 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
10659         PR middle-end/89210
10660         * fold-const-call.c (fold_const_vec_convert): Pass true as last
10661         operand to new_unary_operation only if both element types are integral
10662         and it isn't a widening conversion.  Return NULL_TREE if
10663         new_unary_operation failed.
10665 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
10667         PR target/88856
10668         * config/s390/s390.md: Remove load and test FP splitter.
10670 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
10672         PR target/89112
10673         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
10674         expand_compare_loop, expand_block_compare_gpr,
10675         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
10676         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
10677         #include "profile-count.h" and "predict.h" for types and functions
10678         needed to work with REG_BR_PROB notes.
10680 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
10682         PR target/89112
10683         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
10684         for the long branch case.
10686 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
10688         PR target/89188
10689         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
10690         can throw, non-call exceptions are enabled and we can't delete
10691         dead exceptions or alter cfg.  Set must_clean if
10692         delete_insn_and_edges returns true, don't set it blindly for calls.
10693         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
10695         PR rtl-optimization/89195
10696         * combine.c (make_extraction): For MEMs, don't extract bytes outside
10697         of the original MEM.
10699 2019-02-05  Martin Liska  <mliska@suse.cz>
10701         PR gcov-profile/89000
10702         * gcov.c (function_summary): Remove argument.
10703         (file_summary): New function.
10704         (print_usage): Replace tabs with spaces.
10705         (generate_results): Use new function file_summary.
10707 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
10709         PR target/89186
10710         * optabs.c (prepare_cmp_insn): Pass x and y to
10711         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
10713 2019-02-05  Richard Biener  <rguenther@suse.de>
10715         PR middle-end/89150
10716         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
10717         (struct bitmap_element): Drop chain_prev so we properly recurse on
10718         the prev member, supporting tree views.
10719         (struct bitmap_head): GTY skip the obstack member.
10721 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
10723         PR c/88698
10724         * doc/extend.texi (Vector Extensions): Add an example of using vector
10725         types together with x86 intrinsics.
10727 2019-02-04  Alan Modra  <amodra@gmail.com>
10729         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
10730         str[] size to 160, and comment.
10732 2019-02-04  Alan Modra  <amodra@gmail.com>
10734         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
10735         (rs6000_pltseq_template): Guard output of TLS markers with
10736         TARGET_TLS_MARKERS.
10737         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
10738         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
10739         to use inline PLT sequences.
10740         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
10741         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
10742         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
10744 2019-02-04  Martin Liska  <mliska@suse.cz>
10746         PR ipa/88985
10747         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
10748         out when ipa_fn_summaries does not contain entry for callee.
10750 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
10752         * config/sparc/sparc.h: Remove superfluous blank lines.
10753         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
10754         (got_register_rtx): ...this.
10755         (sparc_got): Adjust to above renaming.
10756         (sparc_tls_got): Likewise.
10757         (sparc_delegitimize_address): Likewise.
10758         (sparc_output_mi_thunk): Likewise.
10759         (sparc_init_pic_reg): Likewise.
10760         (save_local_or_in_reg_p): Fix test on the GOT register.
10761         (USE_HIDDEN_LINKONCE): Move around.
10762         (get_pc_thunk_name): Likewise.
10763         (gen_load_pcrel_sym): Likewise.
10764         (load_got_register): Likewise.
10766 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
10768         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
10769         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
10771 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
10773         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
10774         into consideration.
10776 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
10778         * config.gcc (with_nds32_lib, glibc):
10779         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
10780         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
10781         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
10783 2019-02-03  UroÅ¡ Bizjak  <ubizjak@gmail.com>
10785         PR target/89071
10786         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
10787         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
10788         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
10789         (*rcpsf2_sse): Ditto.
10790         (*rsqrtsf2_sse): Ditto.
10791         (sse4_1_round<mode<2): Ditto.
10793 2019-02-03  Richard Biener  <rguenther@suse.de>
10795         PR debug/87295
10796         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
10797         orig.
10799 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
10801         PR middle-end/87887
10802         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10803         Punt with warning on aggregate return or argument types.  Ignore
10804         type/mode checking for uniform arguments.
10806 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
10808         * combine.c (try_combine): Do not print "Can't combine" messages unless
10809         printing failed combination attempts.
10811 2019-02-01  Martin Jambor  <mjambor@suse.cz>
10813         PR hsa/87863
10814         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
10815         segment and global segment variables before making them static.
10817 2019-02-01  Martin Jambor  <mjambor@suse.cz>
10819         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
10820         missed optimization dump with dump_enabled_p.
10822 2019-02-01  Richard Biener  <rguenther@suse.de>
10824         PR middle-end/88597
10825         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
10826         the instantiate cache.
10827         (instantiate_scev_binary): Elide second operand procesing
10828         if equal to the first.
10829         * tree-chrec.c (chrec_contains_symbols): Add visited set.
10830         (chrec_contains_undetermined): Likewise.
10831         (tree_contains_chrecs): Likewise.
10833 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
10835         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
10837 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
10839         PR tree-optimization/89143
10840         * wide-int-range.h (wide_int_range_absu): Declare.
10841         * wide-int-range.cc (wide_int_range_absu): New function.
10842         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
10844         PR tree-optimization/88107
10845         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
10846         instead of assertion that eh_region_outermost is non-NULL, if it
10847         is NULL, set *ALL to true and return NULL.
10848         (move_sese_region_to_fn): Adjust caller, if all is set, call
10849         duplicate_eh_regions with NULL region.
10851 2019-02-01  Richard Biener  <rguenth@suse.de>
10853         PR rtl-optimization/88593
10854         * mode-switching.c (optimize_mode_switching): Free dominators before
10855         calling cleanup_cfg.
10857 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
10859         PR tree-optimization/88932
10860         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
10862 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
10864         PR middle-end/89137
10865         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
10866         bogus clang warning.
10868 2019-01-31  UroÅ¡ Bizjak  <ubizjak@gmail.com>
10870         PR target/89071
10871         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
10872         alternative to avoid partial SSE register stall for TARGET_AVX.
10873         (truncdfsf2): Ditto.
10874         (sse4_1_round<mode>2): Ditto.
10876 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
10878         PR tree-optimization/89008
10879         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
10880         process anything of the form X * 0.
10882 2019-01-31  Richard Biener  <rguenther@suse.de>
10884         PR tree-optimization/89135
10885         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
10886         with abnormal preds.
10888 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
10890         PR sanitizer/89124
10891         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
10892         always_inline callees into no_sanitize_address callers.
10894 2019-01-31  Richard Biener  <rguenther@suse.de>
10896         PR rtl-optimization/89115
10897         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
10899 2019-01-30  Martin Sebor  <msebor@redhat.com>
10901         PR other/89106
10902         * doc/extend.texi (cast to a union): Correct and expand.
10904 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
10906         PR rtl-optimization/87246
10907         * lra-constraints.c (simplify_operand_subreg): Reload memory
10908         in subreg if the address became invalid.
10910 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
10912         PR target/87064
10913         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
10914         Disable for little-endian.
10916 2019-01-30  Richard Biener  <rguenther@suse.de>
10918         PR rtl-optimization/89115
10919         * opts.c (default_options_optimization): Reduce
10920         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
10921         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
10922         to the default.
10924 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
10926         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
10927         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
10928         type of vector element when vec_extract is implemented by direct
10929         move.
10931 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
10933         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
10935 2019-01-30  Richard Biener  <rguenther@suse.de>
10937         PR tree-optimization/89111
10938         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
10939         canonicalization to appropriately sized access types.
10941 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
10943         PR c++/89105
10944         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
10945         for arguments to functions that are TU-local and shouldn't be
10946         referenced by assembly.
10948 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
10950         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
10951         after '='.
10953 2019-01-29  Martin Sebor  <msebor@redhat.com>
10955         PR c/88956
10956         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
10958 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
10960         PR c++/66676
10961         PR ipa/89104
10962         * omp-simd-clone.c (simd_clone_clauses_extract)
10963         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
10964         OMP_CLAUSE_ALIGNED_ALIGNMENT.
10966 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
10968         * config.gcc: Force .init_array for ARC.
10970 2019-01-29  Richard Biener  <rguenther@suse.de>
10972         PR debug/87295
10973         * dwarf2out.c (collect_skeleton_dies): New helper.
10974         (copy_decls_for_unworthy_types): Call it.
10975         (build_abbrev_table): Assert we do not try to replace
10976         DW_AT_signature refs with local refs.
10978 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
10980         PR middle-end/89002
10981         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
10982         for lastprivate/linear IV, push gimplify context around gimplify_assign
10983         and, if it needed any temporaries, pop it into a gimple bind around the
10984         sequence.
10986 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10988         * common.opt (-Wattribute-alias): Remove "no-" from name.
10989         Make -Wattribute-alias command line option and
10990         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
10992 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
10994         PR target/89073
10995         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
10996         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
10997         x86 ISA options.
10998         (bmi2): Add missing @opindex.
10999         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
11000         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
11001         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
11002         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
11003         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
11004         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
11005         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
11006         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
11007         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
11008         xsavec, xsaveopt and xsaves options.
11010 2019-01-28  Richard Biener  <rguenther@suse.de>
11012         PR debug/89076
11013         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
11014         support removal.
11016 2019-01-28  Richard Biener  <rguenther@suse.de>
11018         PR tree-optimization/88739
11019         * tree-cfg.c (verify_types_in_gimple_reference): Verify
11020         BIT_FIELD_REFs only are applied to mode-precision operands
11021         when they are integral.
11022         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
11023         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
11024         BIT_FIELD_REFs of non-mode-precision integral operands.
11026 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
11028         PR target/87214
11029         * config/i386/sse.md
11030         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
11031         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
11032         first constants in pairs are multiples of 2.  Formatting fixes.
11033         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
11034         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
11035         first constants in each quadruple are multiples of 4.  Formatting fixes.
11037 2019-01-26  Martin Jambor  <mjambor@suse.cz>
11039         PR ipa/88933
11040         * tree-inline.c: Include tree-cfgcleanup.h.
11041         (delete_unreachable_blocks_update_callgraph): Move...
11042         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
11043         ...here, make externally visible, make second argument bool, adjust
11044         all callers.
11045         * tree-cfgcleanup.c: Include cgraph.h.
11046         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
11047         Declare.
11048         * ipa-prop.c: Include tree-cfgcleanup.h.
11049         (ipcp_transform_function): Call
11050         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
11052 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
11054         PR rtl-optimization/88846
11055         * ira.c (process_set_for_memref_referenced_p): New.
11056         (memref_referenced_p): Add new param.  Use
11057         process_set_for_memref_referenced_p.  Add new switch cases.
11058         (memref_used_between_p): Pass new arg to memref_referenced_p.
11060 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
11062         PR target/88469
11063         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
11064         argument ABI_BREAK.  Set to true if the calculated alignment has
11065         changed in gcc-9.  Check bit-fields for their base type alignment.
11066         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
11067         (aarch64_function_arg_boundary): Likewise.
11068         (aarch64_gimplify_va_arg_expr): Likewise.
11070 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
11072         PR middle-end/89037
11073         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
11074         instead of accessing TREE_INT_CST_ELT directly.
11076 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
11078         * doc/sourcebuild.texi (Environment attributes): Add fenv and
11079         fenv_exceptions description.
11081 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
11083         PR rtl-optimization/87763
11084         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
11085         Allow SUBREG when matching CC_NZmode compare.
11087 2019-01-25  Richard Biener  <rguenther@suse.de>
11089         PR tree-optimization/89049
11090         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
11091         Look at the pattern stmt to determine if the stmt is vectorized.
11093 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
11095         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
11096         (pred_mov<mode>): Handle all-register forms using both a new
11097         alternative and a split.
11099 2019-01-25  Richard Biener  <rguenther@suse.de>
11101         PR tree-optimization/86865
11102         * graphite-scop-detection.c (scop_detection::can_represent_loop):
11103         Reject non-do-while loops.
11105 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
11107         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
11108         * config/rs6000/constraints.md (Q constraint): Use REG_P.
11109         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
11110         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
11111         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
11112         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
11113         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
11114         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
11115         vlogical_operand, gpc_reg_operand, int_reg_operand,
11116         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
11117         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
11118         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
11119         (save_world_operation, restore_world_operation, lmw_operation,
11120         stmw_operation): Use MEM_P and REG_P.
11121         (tie_operand): Use MEM_P.
11122         (vrsave_operation, crsave_operation): Use REG_P.
11123         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
11124         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
11125         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
11126         (call_operand): Use HARD_REGISTER_P.
11127         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
11128         Use CONST_INT_P.
11129         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
11130         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
11131         quad_aligned_load_p, replace_swapped_aligned_store,
11132         recombine_lvx_pattern, replace_swapped_aligned_load,
11133         recombine_stvx_pattern): Use MEM_P.
11134         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
11135         Use MEM_P and SYMBOL_REF_P.
11136         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
11137         (insn_is_swappable_p): Use REG_P and MEM_P.
11138         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
11139         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
11140         Use CONST_INT_P.
11141         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
11142         Use CONST_DOUBLE_P.
11143         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
11144         CONST_WIDE_INT_P.
11145         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
11146         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
11147         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
11148         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
11149         reg_or_subregno:
11150         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
11151         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
11152         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
11153         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
11154         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
11155         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
11156         rs6000_split_logical_di): Use CONST_INT_P.
11157         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
11158         REG_P and SYMBOL_REF_P.
11159         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
11160         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
11161         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
11162         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
11163         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
11164         (small_data_operand, print_operand_address): Use CONST_INT_P and
11165         SYMBOL_REF_P.
11166         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
11167         (rs6000_init_hard_regno_mode_ok, direct_move_p):
11168         Use HARD_REGISTER_NUM_P.
11169         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
11170         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
11171         SUBREG_P and SYMBOL_REF_P.
11172         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
11173         and HARD_REGISTER_NUM_P.
11174         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
11175         reg_or_subregno.
11176         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
11177         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
11178         MEM_P and REG_P.
11179         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
11180         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
11181         find_addr_reg): Use REG_P.
11182         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
11183         (rs6000_emit_le_vsx_move): Use SUBREG_P.
11184         (offsettable_ok_by_alignment, constant_pool_expr_p,
11185         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
11186         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
11187         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
11188         rs6000_assemble_integer, create_TOC_reference,
11189         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
11190         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
11191         (rs6000_split_vec_extract_var): Use reg_or_subregno.
11192         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
11193         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
11194         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
11195         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
11196         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
11197         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
11198         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
11199         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
11200         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
11201         and cbranch<mode>4): Use CONST_INT_P.
11202         (multiple define_splits): Use REG_P and SUBREG_P.
11203         (define_expands call, call_value): Use MEM_P.
11204         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
11205         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
11206         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
11207         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
11208         and HARD_REGISTER_NUM_P.
11209         (multiple define_splits): Use HARD_REGISTER_NUM_P.
11211 2019-01-24  UroÅ¡ Bizjak  <ubizjak@gmail.com>
11213         PR rtl-optimization/88948
11214         * rtl.h (prepare_copy_insn): New prototype.
11215         * gcse.c (prepare_copy_insn): New function, split out from
11216         process_insert_insn.
11217         (process_insert_insn): Use prepare_copy_insn.
11218         * store-motion.c (replace_store_insn): Use prepare_copy_insn
11219         instead of gen_move_insn.
11221 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
11223         PR debug/89006
11224         * config/i386/i386.c (ix86_pic_register_p): Return true for
11225         UNSPEC_SET_GOT too.
11227         PR tree-optimization/88964
11228         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
11229         punt if HONOR_SNANS (chrec).
11231         PR middle-end/89015
11232         * tree-nested.c (convert_nonlocal_reference_stmt,
11233         convert_local_reference_stmt, convert_tramp_reference_stmt,
11234         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
11235         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
11236         or GIMPLE_OMP_TASK.
11238         PR tree-optimization/89027
11239         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
11240         for "omp simd array" variables.
11242 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
11244         PR target/88469
11245         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
11246         force the alignment of m_val.
11248 2019-01-24  Richard Biener  <rguenther@suse.de>
11250         PR lto/87187
11251         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
11252         When in "legacy" debug mode make sure to reset self-origins.
11254 2019-01-24  Martin Liska  <mliska@suse.cz>
11256         PR gcov-profile/88994
11257         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
11258         result will be always smaller or equal to the original.
11259         * gcov.c (mangle_name): Fix else branch where we should
11260         also copy to PTR and shift the pointer.
11262 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
11264         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
11265         * vr-values.c (find_case_label_ranges): Fix a comment typo.
11267 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
11269         * common/config/i386/i386-common.c
11270         (OPTION_MASK_ISA_ENQCMD_SET,
11271         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
11272         (ix86_handle_option): Handle -menqcmd.
11273         * config.gcc (enqcmdintrin.h): New header file.
11274         * config/i386/cpuid.h (bit_ENQCMD): New bit.
11275         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
11276         -menqcmd.
11277         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
11278         function type.
11279         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
11280         __builtin_ia32_enqcmds): New builtins.
11281         * config/i386/i386-c.c (__ENQCMD__): New macro.
11282         * config/i386/i386-option.c (ix86_target_string): Add
11283         -menqcmd.
11284         (ix86_valid_target_attribute_inner_p): Likewise.
11285         * config/i386/i386-expand.c
11286         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
11287         IX86_BUILTIN_ENQCMDS.
11288         * config/i386/i386.h (TARGET_ENQCMD): New.
11289         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
11290         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
11291         (movdir64b_<mode>): Parameterize to enable share expansion code
11292         with ENQCMD in function ix86_expand_builtin.
11293         * config/i386/i386.opt: Add -menqcmd.
11294         * config/i386/immintrin.h: Include enqcmdintrin.h.
11295         * config/i386/enqcmdintrin.h: New intrinsic file.
11296         * doc/invoke.texi: Add -menqcmd.
11298 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
11299             Steve Ellcey <sellcey@marvell.com>
11301         PR target/85711
11302         * recog.c (address_operand): Return false on wrong mode for address.
11303         (constrain_operands): Check for mode with 'p' constraint.
11305 2019-01-23  UroÅ¡ Bizjak  <ubizjak@gmail.com>
11307         PR target/88998
11308         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
11309         Disparage MMX alternative.
11310         (sse2_cvtpd2pi): Ditto.
11311         (sse2_cvttpd2pi): Ditto.
11313 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
11315         PR driver/89014
11316         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
11317         use-after-free of the result of
11318         aarch64_get_extension_string_for_isa_flags.
11320 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
11322         PR c/44715
11323         * doc/extend.texi: Document break and continue behavior in
11324         statement expressions.
11326 2019-01-23  Richard Biener  <rguenther@suse.de>
11328         PR tree-optimization/89008
11329         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
11330         not leave another stray operand.
11332 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
11334         * BASE-VER: Bump to 9.0.1.
11336 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
11338         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
11339         thunk that returns by reference, use the type of the return object
11340         of the thunk instead of that of the alias to build the dereference.
11342 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
11344         * config/arc/atomic.md: Add operand to DMB instruction.
11346 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
11348         PR tree-optimization/88964
11349         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
11350         build_zero_cst instead of build_int_cst.  Return false for loop
11351         invariants which honor signed zeros.
11353 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
11355         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
11357 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
11359         PR target/88965
11360         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
11361         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
11362         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
11364         PR middle-end/88968
11365         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
11366         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
11368         PR target/87064
11369         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
11370         Disable for little endian.
11372 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
11374         PR target/88469
11375         * config/arm/arm.c (arm_needs_double_word_align): Check
11376         DECL_BIT_FIELD_TYPE.
11378 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
11379             H.J. Lu  <hongjiu.lu@intel.com>
11381         PR target/88909
11382         * config/i386/i386-builtin.def: Add mask2 to all builtin
11383         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
11384         SPECIAL_ARGS.
11385         * config/i386/i386.c (BDESC): Add mask2 to the definition.
11386         (BDESC_FIRST): Likewise.
11387         (define_builtin): Add an argument for mask2.  Updated to handle
11388         both ix86_isa_flags and ix86_isa_flags2.
11389         (define_builtin_const): Likewise.
11390         (define_builtin_pure): Likewise.
11391         (define_builtin2): Deleted.
11392         (define_builtin_const2): Likewise.
11393         (builtin_description): Add a member, mask2.
11394         (bdesc_*): Add mask2 to builtin initializations.
11395         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
11396         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
11397         support.
11398         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
11400 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11402         PR target/88954
11403         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
11404         noplt attribute.
11406 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
11408         PR target/88469
11409         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
11410         alignment is dominated by a bitfield with 64-bit aligned base type.
11411         (arm_function_arg): Emit a warning if the alignment has changed since
11412         earlier GCC releases.
11413         (arm_function_arg_boundary): Likewise.
11414         (arm_setup_incoming_varargs): Likewise.
11416 2019-01-22  Richard Biener  <rguenther@suse.de>
11418         PR tree-optimization/88862
11419         * graphite-scop-detection.c
11420         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
11422 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
11424         * doc/extend.tex (AMD GCN Function Attributes): New section.
11425         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
11426         * doc/invoke.texi (AMD GCN Options): New section.
11427         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
11429 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11431         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
11432         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
11434 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
11436         PR tree-optimization/88044
11437         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
11438         is false in the first iteration, but !every_iteration, return false
11439         instead of true with niter->niter zero.
11441         PR rtl-optimization/88904
11442         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
11443         any nonequal registers before processing BB_END (b).
11445         PR target/88905
11446         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
11447         GET_MODE (op0).
11448         (expand_binop_directly, expand_doubleword_clz,
11449         expand_doubleword_popcount, expand_ctz, expand_ffs,
11450         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
11452         PR rtl-optimization/49429
11453         PR target/49454
11454         PR rtl-optimization/86334
11455         PR target/88906
11456         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
11457         addressable from here...
11458         (emit_block_op_via_libcall): ... to here.
11460 2019-01-22  Richard Biener  <rguenther@suse.de>
11462         * tree-vect-loop.c (vect_analyze_loop_operations): Use
11463         auto_vec for cost vector to fix memleak.
11464         (vectorize_fold_left_reduction): Properly gather SLP defs.
11465         (vectorizable_comparison): Do not swap operands to properly
11466         gather SLP defs.
11468 2019-01-22  Alan Modra  <amodra@gmail.com>
11470         PR target/88614
11471         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
11472         stays a reg.  Allow a const_int.
11473         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
11474         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
11475         (IS_NOMARK_TLSGETADDR): Define.
11476         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
11477         (rs6000_output_tlsargs): New function.
11478         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
11479         __tls_get_addr call takes an arg.
11480         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
11481         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
11482         delete split..
11483         (call_value_nonlocal_sysv): ..or here, delete split.
11484         (tls_gdld_nomark): Delete.
11485         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
11486         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
11487         (call_value_nonlocal_sysv): Likewise.
11488         (call_value_nonlocal_sysv_secure): Likewise.
11489         (call_value_nonlocal_aix): Likewise.
11490         (call_value_indirect_aix): Likewise.
11491         (call_value_indirect_elfv2): Likewise.
11492         (call_value_local32, call_value_local64): Disable for no-mark tls.
11493         (call_value_local_aix): Likewise.
11495 2019-01-21  UroÅ¡ Bizjak  <ubizjak@gmail.com>
11497         PR target/88938
11498         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
11499         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
11501 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
11503         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
11504         string contents as hash_map keys.
11506 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11508         PR c/88928
11509         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
11510         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
11511         instead of TYPE_ALIGN.
11512         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
11513         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
11514         pointer from TYPE_STUB_DECL.
11516 2019-01-21  Richard Biener  <rguenther@suse.de>
11518         PR tree-optimization/88934
11519         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
11520         at the possibly non-constant operand.
11521         (vect_get_constant_vectors): Adjust.
11523 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
11525         PR target/71659
11526         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
11527         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
11528         instead of _X86INTRIN_H_INCLUDED.
11529         * onfig/i386/clwbintrin.h: Likewise.
11530         * config/i386/pkuintrin.h: Likewise.
11531         * config/i386/prfchwintrin.h: Likewise.
11532         * config/i386/rdseedintrin.h: Likewise.
11533         * config/i386/wbnoinvdintrin.h: Likewise.
11534         * config/i386/xsavecintrin.h: Likewise.
11535         * config/i386/xsavesintrin.h: Likewise.
11536         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
11537         * config/i386/xsaveintrin.h: Likewise.
11538         * config/i386/xsaveoptintrin.h: Likewise.
11539         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
11540         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
11541         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
11542         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
11543         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
11544         * config/i386/immintrin.h: Here.
11546 2019-01-20  Martin Jambor  <mjambor@suse.cz>
11548         PR ipa/87615
11549         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
11550         with aa_walk_budget.
11551         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
11552         aa_walk_budget_p parameter.
11553         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
11554         walk.  Updated all callers.
11555         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
11556         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
11557         unmodified_parm.
11558         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
11559         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
11560         and to unmodified_parm.
11561         (phi_result_unknown_predicate): New parameter fbi, removed parameter
11562         info, updated call to will_be_nonconstant_expr_predicate.
11563         (param_change_prob): New parameter fbi, limit AA walking.
11564         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
11565         calls to various above functions.
11566         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
11567         parameter.  Use it to limit AA walking.
11568         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
11569         fbi, limit AA walk.
11570         (detect_type_change): New parameter fbi, pass it on to
11571         detect_type_change_from_memory_writes.
11572         (detect_type_change_ssa): Likewise.
11573         (aa_overwalked): Removed.
11574         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
11575         accordingly, adjust to the neew AA limiting scheme.
11576         (parm_ref_data_preserved_p): Likewise.
11577         (ipa_compute_jump_functions_for_edge): Adjust call to
11578         get_dynamic_type.
11579         (ipa_analyze_call_uses): Likewise.
11580         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
11581         (ipa_analyze_node): Initialize aa_walk_budget.
11582         (ipcp_transform_function): Likewise.
11583         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
11584         to get_dynamic_type.
11586 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
11588         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
11589         outside of #if CHECKING_P code.
11591 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
11593         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
11594         New function, split out from...
11595         (loop_versioning::analyze_stride): ...here.
11596         (loop_versioning::find_per_loop_multiplication): Use gassign.
11597         (loop_versioning::analyze_term_using_scevs): Return a success code.
11598         (loop_versioning::analyze_arbitrary_term): New function.
11599         (loop_versioning::analyze_address_fragment): Use
11600         analyze_arbitrary_term if all else fails.
11602 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
11604         PR target/88892
11605         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
11606         operands.
11608 2019-01-18  Richard Biener  <rguenther@suse.de>
11610         PR tree-optimization/88903
11611         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
11612         scalar stmts a SLP shift amount is composed of when detecting
11613         shifts by scalars.
11615 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
11617         PR target/88799
11618         * config/arm/arm-cpus.in (mp): New feature.
11619         (sec): New feature.
11620         (fgroup ARMv7ve): Add mp and sec features.
11621         (arch armv7-a): Add options to allow mp and sec extensions.
11622         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
11623         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
11624         extenstions to the base architecture.
11625         (cpu cortex-a8): Add sec extension to the base architecture.
11626         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
11627         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
11628         variants down to the base v7-a varaint.
11629         * config/arm/t-multilib (v7_a_arch_variants): New variable.
11630         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
11631         of permitted extensions for -march=armv7-a and for
11632         -mcpu=generic-armv7-a.
11634 2019-01-18  Martin Liska  <mliska@suse.cz>
11636         * params.def: Fix comment.
11637         * tree-profile.c (gimple_init_gcov_profiler): Bump function
11638         name.
11639         (gimple_gen_ic_func_profiler): Likewise.
11641 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11643         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
11644         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
11645         and put in error checks for stack protector guard options.
11646         (aarch64_stack_protect_guard): New.
11647         (TARGET_STACK_PROTECT_GUARD): Define.
11648         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
11649         (reg_stack_protect_address<mode>): New.
11650         (stack_protect_set): Adjust for SSP_GLOBAL.
11651         (stack_protect_test): Likewise.
11652         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
11653         (-mstack-protector-guard): Likewise.
11654         (-mstack-protector-guard-offset): Likewise.
11656 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
11658         PR tree-optimization/86214
11659         * tree-inline.h (struct copy_body_data): Add
11660         add_clobbers_to_eh_landing_pads member.
11661         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
11662         (copy_edges_for_bb): Call it if EH edge destination is <
11663         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
11664         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
11665         if flag_stack_reuse != SR_NONE and clear it afterwards.
11667 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
11669         PR target/85596
11670         * doc/install.texi (with-multilib-list): Document for aarch64.
11672 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
11674         PR target/88734
11675         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
11676         (("..."))) with ("...").
11678 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
11680         * doc/extend.texi (Built-in Functions for Memory Model Aware
11681         Atomic Operations): Document atomic fetch and nand.
11683 2019-01-18  Martin Liska  <mliska@suse.cz>
11684             Richard Biener  <rguenther@suse.de>
11686         PR middle-end/88587
11687         * cgraph.h (create_version_clone_with_body): Add new argument
11688         with attributes.
11689         * cgraphclones.c (cgraph_node::create_version_clone): Add
11690         DECL_ATTRIBUTES to a newly created decl.  And call
11691         valid_attribute_p so that proper cl_target_optimization_node
11692         is set for the newly created declaration.
11693         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
11694         for declaration.
11695         (expand_target_clones): Do not call valid_attribute_p, it must
11696         be already done.
11697         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
11698         vector types.
11700 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
11702         PR target/88734
11703         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
11704         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
11705         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
11707 2019-01-17  Martin Sebor  <msebor@redhat.com>
11709         PR middle-end/88273
11710         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
11711         Handle anti-ranges the same as no range at all.
11713 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
11715         * config/aarch64/aarch64.c (cgraph.h): New include.
11716         (intl.h): New include.
11717         (supported_simd_type): New function.
11718         (currently_supported_simd_type): Ditto.
11719         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
11720         (aarch64_simd_clone_adjust): Ditto.
11721         (aarch64_simd_clone_usable): Ditto.
11722         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
11723         (TARGET_SIMD_CLONE_ADJUST): Ditto.
11724         (TARGET_SIMD_CLONE_USABLE): Ditto.
11725         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
11726         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
11727         call.
11729 2019-01-17  Martin Sebor  <msebor@redhat.com>
11731         PR tree-optimization/88800
11732         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
11733         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
11734         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
11735         redundant argument.  Add new argument and issue diagnostics under
11736         its control.  Detect out-of-bounds access even with warnings
11737         disabled.
11738         (check_bounds_or_overlap): Change return type.  Add argument.
11739         (wrestrict_dom_walker::check_call): Adjust.
11740         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
11741         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
11742         check_bounds_or_overlap's return value.
11743         (handle_builtin_stxncpy): Same.
11744         (handle_builtin_strcat): Same.
11746 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11747             Kwok Cheung Yeung  <kcy@codesourcery.com>
11748             Julian Brown  <julian@codesourcery.com>
11749             Tom de Vries  <tom@codesourcery.com>
11751         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
11753 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11755         * doc/sourcebuild.texi: Document dg-require-effective-target
11756         llvm_binutils and offload_gcn.
11758 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11759             Kwok Cheung Yeung  <kcy@codesourcery.com>
11760             Julian Brown  <julian@codesourcery.com>
11761             Tom de Vries  <tom@codesourcery.com>
11763         * doc/sourcebuild.texi: Document dg-required-effective-target
11764         exceptions.
11766 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11767             Kwok Cheung Yeung  <kcy@codesourcery.com>
11768             Julian Brown  <julian@codesourcery.com>
11769             Tom de Vries  <tom@codesourcery.com>
11770             Jan Hubicka  <hubicka@ucw.cz>
11771             Martin Jambor  <mjambor@suse.cz>
11773         * config.gcc: Add amdgcn*-*-amdhsa configuration.
11774         * configure.ac: Check for dlopen.
11775         * configure: Regenerate.
11777 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11778             Kwok Cheung Yeung  <kcy@codesourcery.com>
11779             Julian Brown  <julian@codesourcery.com>
11780             Tom de Vries  <tom@codesourcery.com>
11781             Jan Hubicka  <hubicka@ucw.cz>
11782             Martin Jambor  <mjambor@suse.cz>
11784         * common/config/gcn/gcn-common.c: New file.
11785         * config/gcn/driver-gcn.c: New file.
11786         * config/gcn/gcn-builtins.def: New file.
11787         * config/gcn/gcn-hsa.h: New file.
11788         * config/gcn/gcn-modes.def: New file.
11789         * config/gcn/gcn-opts.h: New file.
11790         * config/gcn/gcn-passes.def: New file.
11791         * config/gcn/gcn-protos.h: New file.
11792         * config/gcn/gcn-run.c: New file.
11793         * config/gcn/gcn-tree.c: New file.
11794         * config/gcn/gcn.c: New file.
11795         * config/gcn/gcn.h: New file.
11796         * config/gcn/gcn.opt: New file.
11797         * config/gcn/t-gcn-hsa: New file.
11799 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11800             Kwok Cheung Yeung  <kcy@codesourcery.com>
11801             Julian Brown  <julian@codesourcery.com>
11802             Tom de Vries  <tom@codesourcery.com>
11803             Jan Hubicka  <hubicka@ucw.cz>
11804             Martin Jambor  <mjambor@suse.cz>
11806         * config/gcn/constraints.md: New file.
11807         * config/gcn/gcn-valu.md: New file.
11808         * config/gcn/gcn.md: New file.
11809         * config/gcn/predicates.md: New file.
11811 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11813         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
11814         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
11815         (stmt_uses_0_or_null_in_undefined_way): Likewise.
11816         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
11818 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
11820         PR target/88851
11821         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
11822         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
11823         it and document registers.
11825 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11827         * config/aarch64/aarch64.c (ares_tunings): Define.
11828         * config/aarch64/aarch64-cores.def (ares): Use the above.
11830 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
11832         PR target/88794
11833         Revert:
11834         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
11836         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
11837         (_mm512_fixupimm_round_pd): Update parameters and builtin.
11838         (_mm512_maskz_fixupimm_round_pd): Ditto.
11839         (_mm512_fixupimm_round_ps): Ditto.
11840         (_mm512_maskz_fixupimm_round_ps): Ditto.
11841         (_mm_fixupimm_round_sd): Ditto.
11842         (_mm_maskz_fixupimm_round_sd): Ditto.
11843         (_mm_fixupimm_round_ss): Ditto.
11844         (_mm_maskz_fixupimm_round_ss): Ditto.
11845         (_mm512_fixupimm_pd): Ditto.
11846         (_mm512_maskz_fixupimm_pd): Ditto.
11847         (_mm512_fixupimm_ps): Ditto.
11848         (_mm512_maskz_fixupimm_ps): Ditto.
11849         (_mm_fixupimm_sd): Ditto.
11850         (_mm_maskz_fixupimm_sd): Ditto.
11851         (_mm_fixupimm_ss): Ditto.
11852         (_mm_maskz_fixupimm_ss): Ditto.
11853         (_mm512_mask_fixupimm_round_pd): Update builtin.
11854         (_mm512_mask_fixupimm_round_ps): Ditto.
11855         (_mm_mask_fixupimm_round_sd): Ditto.
11856         (_mm_mask_fixupimm_round_ss): Ditto.
11857         (_mm512_mask_fixupimm_pd): Ditto.
11858         (_mm512_mask_fixupimm_ps): Ditto.
11859         (_mm_mask_fixupimm_sd): Ditto.
11860         (_mm_mask_fixupimm_ss): Ditto.
11861         * config/i386/avx512vlintrin.h:
11862         (_mm256_fixupimm_pd): Update parameters and builtin.
11863         (_mm256_maskz_fixupimm_pd): Ditto.
11864         (_mm256_fixupimm_ps): Ditto.
11865         (_mm256_maskz_fixupimm_ps): Ditto.
11866         (_mm_fixupimm_pd): Ditto.
11867         (_mm_maskz_fixupimm_pd): Ditto.
11868         (_mm_fixupimm_ps): Ditto.
11869         (_mm_maskz_fixupimm_ps): Ditto.
11870         (_mm256_mask_fixupimm_pd): Update builtin.
11871         (_mm256_mask_fixupimm_ps): Ditto.
11872         (_mm_mask_fixupimm_pd): Ditto.
11873         (_mm_mask_fixupimm_ps): Ditto.
11874         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
11875         * config/i386/i386-builtin.def: Update builtin definitions.
11876         * config/i386/i386.c: Handle new builtin types and remove useless ones.
11877         * config/i386/sse.md: Update VFIXUPIMM* patterns.
11878         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
11879         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
11880         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
11881         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
11882         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
11883         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
11884         * config/i386/subst.md:
11885         (round_saeonly_sd_mask_operand4): Add new subst_attr.
11886         (round_saeonly_sd_mask_op4): Ditto.
11887         (round_saeonly_expand_operand5): Ditto.
11888         (round_saeonly_expand): Update.
11890 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
11892         PR target/88794
11893         Revert:
11894         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
11896         * config/i386/sse.md: Combine VFIXUPIMM* patterns
11897         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
11898         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
11899         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
11900         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
11901         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
11902         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
11904 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
11906         PR target/88794
11907         Revert:
11908         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
11910         PR target/88489
11911         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
11912         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
11913         instead of UNSPEC_FIXUPIMM.
11915 2019-01-17  Richard Biener  <rguenther@suse.de>
11917         PR lto/86736
11918         * dwarf2out.c (want_pubnames): Never generate pubnames sections
11919         and friends for the LTO part of debug info.
11921 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
11923         PR tree-optimization/86214
11924         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
11925         if x == y.
11927         PR rtl-optimization/88870
11928         * dce.c (deletable_insn_p): Never delete const/pure calls that can
11929         throw if we can't alter the cfg or delete dead exceptions.
11930         (mark_insn): Don't call find_call_stack_args for such calls.
11932 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
11934         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
11935         prototypes for vec_st.
11936         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
11937         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
11938         mainly on signed/unsigned long long and double.
11940 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
11942         PR target/88861
11943         * combine.c (delete_noop_moves): Convert to "bool" return,
11944         returning true if any edges are eliminated.
11945         (combine_instructions): Also return true if delete_noop_moves
11946         returns true.
11948 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
11950         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
11951         correct max nunits for endian swap.
11952         (aarch64_expand_fcmla_builtin): Correct subreg code.
11953         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
11954         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
11955         lane endianness.
11957 2019-01-16  UroÅ¡ Bizjak  <ubizjak@gmail.com>
11959         * config/alpha/alpha.c (alpha_gimplify_va_arg):
11960         Handle split indirect COMPLEX_TYPE arguments.
11962 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
11964         PR target/86891
11965         * config/aarch64/aarch64-modes.def: Add comment about how the carry
11966         bit is set by add and compare.
11967         (CC_ADC): New CC_MODE.
11968         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
11969         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
11970         comparison.  Add detection for CC_ADCmode.
11971         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
11972         CC_ADCmode.
11973         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
11974         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
11975         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
11976         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
11977         to eliminate the need for zero-extending the operands.
11978         (add<mode>3_compareC_imm): Delete.  Merge into ...
11979         (add<mode>3_compareC): ... this.  Restructure the comparison to
11980         eliminate the need for zero-extending the operands.
11981         (add<mode>3_carryin): Use LTU for the overflow detection.
11982         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
11983         Reexpress comparison for overflow.
11984         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
11985         (add<mode>3_carryinC): Likewise.
11986         (add<mode>3_carryinV): Use LTU for carry between partials.
11987         * config/aarch64/predicates.md (aarch64_carry_operation): Update
11988         handling of CC_Cmode and add CC_ADCmode.
11989         (aarch64_borrow_operation): Likewise.
11991 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
11993         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
11994         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
11995         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
11996         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
11998 2019-01-16  Martin Liska  <mliska@suse.cz>
12000         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
12001         for GCC driver.
12002         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
12003         a new argument.
12004         * gcc.c (add_sysrooted_hdrs_prefix): New function.
12005         (path_prefix_reset): Move up in the source file.
12006         (find_fortran_preinclude_file): Make complex search for the
12007         fortran header files.
12009 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
12011         * godump.c (go_output_typedef): When outputting a typedef, refer
12012         to the underlying type by its name and not its structure.
12014 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
12016         PR c++/88795
12017         * tree.c (build_function_type): Assert that arg_types is not
12018         error_mark_node.
12020 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
12022         PR inline-asm/52813
12023         * doc/extend.texi: Document that listing the stack pointer in the
12024         clobber list of an asm is a deprecated feature.
12025         * common.opt (Wdeprecated): Moved from c-family/c.opt.
12026         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
12027         warning instead of an error for clobbers of the stack pointer.
12028         Add a note explaining why.
12030 2019-01-15  Richard Biener  <rguenther@suse.de>
12032         PR debug/88046
12033         * dwarf2out.c (gen_member_die): Do not generate inheritance
12034         DIEs late.
12036 2019-01-15  Richard Biener  <rguenther@suse.de>
12038         PR tree-optimization/88855
12039         * tree-if-conv.c (combine_blocks): Collect
12040         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
12042 2019-01-15  Tom de Vries  <tdevries@suse.de>
12044         PR target/80547
12045         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
12046         lhs == NULL_TREE for gang-level reduction.
12048 2019-01-15  Richard Biener  <rguenther@suse.de>
12049             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
12051         PR ipa/88788
12052         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
12053         return true if SSA_NAME is already marked in visited bitmap.
12054         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
12056 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
12058         PR tree-optimization/88775
12059         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
12060         equal == 0 equality pointer comparisons some more if compared in
12061         integral types and either one points to an automatic var and the
12062         other to a global, or we can prove at least one points to the middle
12063         or both point to start or both point to end.
12065 2019-01-14  Andi Kleen  <ak@linux.intel.com>
12067         * Makefile.in: Lower autofdo sampling rate by 10x.
12068         * Makefile.tpl: Dito.
12070 2019-01-14  Tom Honermann  <tom@honermann.net>
12072         * defaults.h: Define CHAR8_TYPE.
12074 2019-01-14  Martin Sebor  <msebor@redhat.com>
12076         PR target/88638
12077         * doc/extend.texi (Darwin Format Checks): Clarify.
12079 2019-01-14  Richard Biener  <rguenther@suse.de>
12081         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
12082         whether we are in (simplify ...) or (match ...) context.
12084 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
12086         PR rtl-optimization/88796
12087         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
12088         * cfgexpand.c (stack_protect_prologue): Initialize
12089         crtl->stack_protect_guard_decl.
12090         * function.c (stack_protect_epilogue): Use it instead of calling
12091         targetm.stack_protect_guard again.
12092         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
12093         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
12094         crtl->stack_protect_guard_decl.
12095         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
12096         on the returned MEM_EXPR.
12098 2019-01-12  Tom de Vries  <tdevries@suse.de>
12100         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
12101         vector length using -fopenacc-dim.
12103 2019-01-12  Tom de Vries  <tdevries@suse.de>
12105         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
12106         lengths into account.
12108 2019-01-12  Svante Signell  <svante.signell@gmail.com>
12110         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
12111         (TARGET_CAN_SPLIT_STACK): Define.
12112         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
12114 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12116         * params.def (inline-unit-growth): Set to 40.
12118 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
12120         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
12122 2019-01-12  Tom de Vries  <tdevries@suse.de>
12124         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
12125         region calling vector-partitionable routine, set default_vector_length
12126         to WARP_SIZE.
12128 2019-01-12  Tom de Vries  <tdevries@suse.de>
12130         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
12131         variable default_vector_length.
12133 2019-01-12  Tom de Vries  <tdevries@suse.de>
12135         PR middle-end/88703
12136         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
12137         from oacc_default_dims, as oacc_validate_dims would do it, and apply
12138         dimensions limits.
12140 2019-01-12  Tom de Vries  <tdevries@suse.de>
12142         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
12143         (nvptx_goacc_validate_dims): Add used parameter.
12144         * doc/tm.texi: Regenerate.
12145         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
12146         argument to call to targetm.goacc.validate_dims.
12147         (default_goacc_validate_dims): Add used
12148         parameter.
12149         * target.def (validate_dims): Add used parameter in DEFHOOK.
12150         * targhooks.h (default_goacc_validate_dims): Add used parameter.
12152 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
12154         PR middle-end/85956
12155         PR lto/88733
12156         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
12157         field.
12158         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
12159         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
12160         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
12161         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
12163 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
12165         PR rtl-optimization/87305
12166         * lra-assigns.c
12167         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
12168         for little endian pseudos used as paradoxical subreg.
12170 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
12172         PR tree-optimization/88693
12173         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
12174         for STRING_CSTs that don't contain any NUL characters in the first
12175         TREE_STRING_LENGTH bytes.
12177 2019-01-11  Alan Modra  <amodra@gmail.com>
12179         PR 88777
12180         PR 88614
12181         * genattrtab.c (min_fn): Don't translate values.
12182         (min_attr_value): Return INT_MAX when the value can't be calculated.
12183         Return minimum among any values that can be calculated.
12184         (max_attr_value): Adjust.
12186 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
12188         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
12190 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
12192         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
12193         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
12194         (aarch64_return_call_with_max_clobbers): New function.
12195         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
12196         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
12197         argument.
12198         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
12199         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
12200         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
12201         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
12202         * cselib.c (cselib_process_insn): Add argument to
12203         targetm.hard_regno_call_part_clobbered call.
12204         * ira-conflicts.c (ira_build_conflicts): Ditto.
12205         * ira-costs.c (ira_tune_allocno_costs): Ditto.
12206         * lra-constraints.c (inherit_reload_reg): Ditto.
12207         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
12208         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
12209         argument.  Call targetm.return_call_with_max_clobbers.
12210         Add argument to targetm.hard_regno_call_part_clobbered call.
12211         (calls_have_same_clobbers_p): New function.
12212         (process_bb_lives): Add call_insn and last_call_insn variables.
12213         Pass call_insn to check_pseudos_live_through_calls.
12214         Modify if stmt to check targetm.return_call_with_max_clobbers.
12215         Update setting of flush variable.
12216         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
12217         to false.
12218         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
12219         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
12220         targetm.hard_regno_call_part_clobbered call.
12221         * reginfo.c (choose_hard_reg_mode): Ditto.
12222         * regrename.c (check_new_reg_p): Ditto.
12223         * reload.c (find_equiv_reg): Ditto.
12224         * reload1.c (emit_reload_insns): Ditto.
12225         * sched-deps.c (deps_analyze_insn): Ditto.
12226         * sel-sched.c (init_regs_for_mode): Ditto.
12227         (mark_unavailable_hard_regs): Ditto.
12228         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
12229         * target.def (hard_regno_call_part_clobbered): Add insn argument.
12230         (return_call_with_max_clobbers): New target function.
12231         * doc/tm.texi: Regenerate.
12232         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
12233         * hooks.c (hook_bool_uint_mode_false): Change to
12234         hook_bool_insn_uint_mode_false.
12235         * hooks.h (hook_bool_uint_mode_false): Ditto.
12237 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
12239         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
12240         (aarch64_remove_extra_call_preserved_regs): New function.
12241         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
12242         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
12243         * doc/tm.texi: Regenerate.
12244         * final.c (get_call_reg_set_usage): Call new hook.
12245         * target.def (remove_extra_call_preserved_regs): New hook.
12246         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
12247         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
12249 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
12251         PR bootstrap/88714
12252         * passes.c (finish_optimization_passes): Call print_combine_total_stats
12253         inside of pass_combine_1 dump rather than pass_profile_1.
12255 2019-01-11  Tom de Vries  <tdevries@suse.de>
12257         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
12258         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
12259         (PTX_NUM_PER_WORKER_BARRIERS): Define.
12260         (nvptx_apply_dim_limits): Prevent vector_length 64 and
12261         num_workers 16.
12263 2019-01-11  Tom de Vries  <tdevries@suse.de>
12265         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
12267 2019-01-11  Jan Beulich  <jbeulich@suse.com>
12269         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
12270         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
12271         sse2_cvtsi2sd): Add {l}.
12272         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
12273         syntax.
12275 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
12277         PR target/88785
12278         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
12279         define_expand.
12280         (*float<floatunssuffix>v2div2sf2): New define_insn.
12281         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
12282         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
12283         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
12284         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
12285         match_operands with "const0_operand" "C".
12287 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
12289         * config/aarch64/aarch64-builtins.c
12290         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
12291         (aarch64_init_simd_builtins): ...Here
12293 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
12295         PR rtl-optimization/87305
12296         * lra-assigns.c
12297         (setup_live_pseudos_and_spill_after_risky_transforms): Check
12298         allocation for big endian pseudos used as paradoxical subregs and
12299         spill them if it is wrong.
12300         * lra-constraints.c (lra_constraints): Add a comment.
12302 2019-01-10  Richard Biener  <rguenther@suse.de>
12304         PR tree-optimization/88792
12305         * tree-ssa-pre.c (get_representative_for): Do not return a
12306         value-number here.
12308 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
12310         PR middle-end/84877
12311         PR bootstrap/88450
12312         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
12313         (assign_parm_setup_block): Do the argument slot realignment here
12314         instead.
12316 2019-01-10  Stefan Agner  <stefan@agner.ch>
12318         PR target/88648
12319         * config/arm/arm.c (arm_option_override_internal): Force
12320         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
12322 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
12324         PR c/88568
12325         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
12326         DECL_EXTERNAL.
12328 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
12330         * config/arm/arm-builtins.c
12331         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
12332         (MAC_LANE_PAIR_QUALIFIERS): New.
12333         (arm_expand_builtin_args): Use it.
12334         (arm_expand_builtin_1): Likewise.
12335         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
12336         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
12337         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
12338         * config/arm/arm_neon.h:
12339         (vcadd_rot90_f16): New.
12340         (vcaddq_rot90_f16): New.
12341         (vcadd_rot270_f16): New.
12342         (vcaddq_rot270_f16): New.
12343         (vcmla_f16): New.
12344         (vcmlaq_f16): New.
12345         (vcmla_lane_f16): New.
12346         (vcmla_laneq_f16): New.
12347         (vcmlaq_lane_f16): New.
12348         (vcmlaq_laneq_f16): New.
12349         (vcmla_rot90_f16): New.
12350         (vcmlaq_rot90_f16): New.
12351         (vcmla_rot90_lane_f16): New.
12352         (vcmla_rot90_laneq_f16): New.
12353         (vcmlaq_rot90_lane_f16): New.
12354         (vcmlaq_rot90_laneq_f16): New.
12355         (vcmla_rot180_f16): New.
12356         (vcmlaq_rot180_f16): New.
12357         (vcmla_rot180_lane_f16): New.
12358         (vcmla_rot180_laneq_f16): New.
12359         (vcmlaq_rot180_lane_f16): New.
12360         (vcmlaq_rot180_laneq_f16): New.
12361         (vcmla_rot270_f16): New.
12362         (vcmlaq_rot270_f16): New.
12363         (vcmla_rot270_lane_f16): New.
12364         (vcmla_rot270_laneq_f16): New.
12365         (vcmlaq_rot270_lane_f16): New.
12366         (vcmlaq_rot270_laneq_f16): New.
12367         (vcadd_rot90_f32): New.
12368         (vcaddq_rot90_f32): New.
12369         (vcadd_rot270_f32): New.
12370         (vcaddq_rot270_f32): New.
12371         (vcmla_f32): New.
12372         (vcmlaq_f32): New.
12373         (vcmla_lane_f32): New.
12374         (vcmla_laneq_f32): New.
12375         (vcmlaq_lane_f32): New.
12376         (vcmlaq_laneq_f32): New.
12377         (vcmla_rot90_f32): New.
12378         (vcmlaq_rot90_f32): New.
12379         (vcmla_rot90_lane_f32): New.
12380         (vcmla_rot90_laneq_f32): New.
12381         (vcmlaq_rot90_lane_f32): New.
12382         (vcmlaq_rot90_laneq_f32): New.
12383         (vcmla_rot180_f32): New.
12384         (vcmlaq_rot180_f32): New.
12385         (vcmla_rot180_lane_f32): New.
12386         (vcmla_rot180_laneq_f32): New.
12387         (vcmlaq_rot180_lane_f32): New.
12388         (vcmlaq_rot180_laneq_f32): New.
12389         (vcmla_rot270_f32): New.
12390         (vcmlaq_rot270_f32): New.
12391         (vcmla_rot270_lane_f32): New.
12392         (vcmla_rot270_laneq_f32): New.
12393         (vcmlaq_rot270_lane_f32): New.
12394         (vcmlaq_rot270_laneq_f32): New.
12395         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
12396         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
12397         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
12398         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
12399         vcmlaq_lane270): New.
12400         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
12401         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
12402         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
12403         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
12404         (arm_option_reconfigure_globals): Use them.
12405         * config/arm/iterators.md (VDF, VQ_HSF): New.
12406         (VCADD, VCMLA): New.
12407         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
12408         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
12409         New.
12410         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
12411         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
12413 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
12415         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
12416         Add qualifier_lane_pair_index.
12417         (emit-rtl.h): Include.
12418         (TYPES_QUADOP_LANE_PAIR): New.
12419         (aarch64_simd_expand_args): Use it.
12420         (aarch64_simd_expand_builtin): Likewise.
12421         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
12422         New.
12423         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
12424         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
12425         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
12426         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
12427         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
12428         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
12429         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
12430         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
12431         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
12432         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
12433         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
12434         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
12435         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
12436         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
12437         Add __ARM_FEATURE_COMPLEX.
12438         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
12439         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
12440         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
12441         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
12442         fcmlaq_lane270): New.
12443         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
12444         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
12445         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
12446         * config/aarch64/arm_neon.h:
12447         (vcadd_rot90_f16): New.
12448         (vcaddq_rot90_f16): New.
12449         (vcadd_rot270_f16): New.
12450         (vcaddq_rot270_f16): New.
12451         (vcmla_f16): New.
12452         (vcmlaq_f16): New.
12453         (vcmla_lane_f16): New.
12454         (vcmla_laneq_f16): New.
12455         (vcmlaq_lane_f16): New.
12456         (vcmlaq_rot90_lane_f16): New.
12457         (vcmla_rot90_laneq_f16): New.
12458         (vcmla_rot90_lane_f16): New.
12459         (vcmlaq_rot90_f16): New.
12460         (vcmla_rot90_f16): New.
12461         (vcmlaq_laneq_f16): New.
12462         (vcmla_rot180_laneq_f16): New.
12463         (vcmla_rot180_lane_f16): New.
12464         (vcmlaq_rot180_f16): New.
12465         (vcmla_rot180_f16): New.
12466         (vcmlaq_rot90_laneq_f16): New.
12467         (vcmlaq_rot270_laneq_f16): New.
12468         (vcmlaq_rot270_lane_f16): New.
12469         (vcmla_rot270_laneq_f16): New.
12470         (vcmlaq_rot270_f16): New.
12471         (vcmla_rot270_f16): New.
12472         (vcmlaq_rot180_laneq_f16): New.
12473         (vcmlaq_rot180_lane_f16): New.
12474         (vcmla_rot270_lane_f16): New.
12475         (vcadd_rot90_f32): New.
12476         (vcaddq_rot90_f32): New.
12477         (vcaddq_rot90_f64): New.
12478         (vcadd_rot270_f32): New.
12479         (vcaddq_rot270_f32): New.
12480         (vcaddq_rot270_f64): New.
12481         (vcmla_f32): New.
12482         (vcmlaq_f32): New.
12483         (vcmlaq_f64): New.
12484         (vcmla_lane_f32): New.
12485         (vcmla_laneq_f32): New.
12486         (vcmlaq_lane_f32): New.
12487         (vcmlaq_laneq_f32): New.
12488         (vcmla_rot90_f32): New.
12489         (vcmlaq_rot90_f32): New.
12490         (vcmlaq_rot90_f64): New.
12491         (vcmla_rot90_lane_f32): New.
12492         (vcmla_rot90_laneq_f32): New.
12493         (vcmlaq_rot90_lane_f32): New.
12494         (vcmlaq_rot90_laneq_f32): New.
12495         (vcmla_rot180_f32): New.
12496         (vcmlaq_rot180_f32): New.
12497         (vcmlaq_rot180_f64): New.
12498         (vcmla_rot180_lane_f32): New.
12499         (vcmla_rot180_laneq_f32): New.
12500         (vcmlaq_rot180_lane_f32): New.
12501         (vcmlaq_rot180_laneq_f32): New.
12502         (vcmla_rot270_f32): New.
12503         (vcmlaq_rot270_f32): New.
12504         (vcmlaq_rot270_f64): New.
12505         (vcmla_rot270_lane_f32): New.
12506         (vcmla_rot270_laneq_f32): New.
12507         (vcmlaq_rot270_lane_f32): New.
12508         (vcmlaq_rot270_laneq_f32): New.
12509         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
12510         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
12511         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
12512         (FCADD, FCMLA): New.
12513         (rot): New.
12514         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
12516 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
12518         PR other/16615
12520         * config/pa/pa.c: Change "can not" to "cannot".
12521         * gimple-ssa-evrp-analyze.c: Likewise.
12522         * ipa-icf.c: Likewise.
12523         * ipa-polymorphic-call.c: Likewise.
12524         * ipa-pure-const.c: Likewise.
12525         * lra-constraints.c: Likewise.
12526         * lra-remat.c: Likewise.
12527         * reload1.c: Likewise.
12528         * reorg.c: Likewise.
12529         * tree-ssa-uninit.c: Likewise.
12531 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
12533         PR other/16615
12535         * Makefile.in: Mechanically replace "can not" with "cannot".
12536         * alias.c: Likewise.
12537         * builtins.c: Likewise.
12538         * calls.c: Likewise.
12539         * cgraph.c: Likewise.
12540         * cgraph.h: Likewise.
12541         * cgraphclones.c: Likewise.
12542         * cgraphunit.c: Likewise.
12543         * combine-stack-adj.c: Likewise.
12544         * combine.c: Likewise.
12545         * common/config/i386/i386-common.c: Likewise.
12546         * config/aarch64/aarch64.c: Likewise.
12547         * config/alpha/sync.md: Likewise.
12548         * config/arc/arc.c: Likewise.
12549         * config/arc/predicates.md: Likewise.
12550         * config/arm/arm-c.c: Likewise.
12551         * config/arm/arm.c: Likewise.
12552         * config/arm/arm.h: Likewise.
12553         * config/arm/arm.md: Likewise.
12554         * config/arm/cortex-r4f.md: Likewise.
12555         * config/csky/csky.c: Likewise.
12556         * config/csky/csky.h: Likewise.
12557         * config/darwin-f.c: Likewise.
12558         * config/epiphany/epiphany.md: Likewise.
12559         * config/i386/i386.c: Likewise.
12560         * config/i386/sol2.h: Likewise.
12561         * config/m68k/m68k.c: Likewise.
12562         * config/mcore/mcore.h: Likewise.
12563         * config/microblaze/microblaze.md: Likewise.
12564         * config/mips/20kc.md: Likewise.
12565         * config/mips/sb1.md: Likewise.
12566         * config/nds32/nds32.c: Likewise.
12567         * config/nds32/predicates.md: Likewise.
12568         * config/pa/pa.c: Likewise.
12569         * config/rs6000/e300c2c3.md: Likewise.
12570         * config/rs6000/rs6000.c: Likewise.
12571         * config/s390/s390.h: Likewise.
12572         * config/sh/sh.c: Likewise.
12573         * config/sh/sh.md: Likewise.
12574         * config/spu/vmx2spu.h: Likewise.
12575         * cprop.c: Likewise.
12576         * dbxout.c: Likewise.
12577         * df-scan.c: Likewise.
12578         * doc/cfg.texi: Likewise.
12579         * doc/extend.texi: Likewise.
12580         * doc/fragments.texi: Likewise.
12581         * doc/gty.texi: Likewise.
12582         * doc/invoke.texi: Likewise.
12583         * doc/lto.texi: Likewise.
12584         * doc/md.texi: Likewise.
12585         * doc/objc.texi: Likewise.
12586         * doc/rtl.texi: Likewise.
12587         * doc/tm.texi: Likewise.
12588         * dse.c: Likewise.
12589         * emit-rtl.c: Likewise.
12590         * emit-rtl.h: Likewise.
12591         * except.c: Likewise.
12592         * expmed.c: Likewise.
12593         * expr.c: Likewise.
12594         * fold-const.c: Likewise.
12595         * genautomata.c: Likewise.
12596         * gimple-fold.c: Likewise.
12597         * hard-reg-set.h: Likewise.
12598         * ifcvt.c: Likewise.
12599         * ipa-comdats.c: Likewise.
12600         * ipa-cp.c: Likewise.
12601         * ipa-devirt.c: Likewise.
12602         * ipa-fnsummary.c: Likewise.
12603         * ipa-icf.c: Likewise.
12604         * ipa-inline-transform.c: Likewise.
12605         * ipa-inline.c: Likewise.
12606         * ipa-polymorphic-call.c: Likewise.
12607         * ipa-profile.c: Likewise.
12608         * ipa-prop.c: Likewise.
12609         * ipa-pure-const.c: Likewise.
12610         * ipa-reference.c: Likewise.
12611         * ipa-split.c: Likewise.
12612         * ipa-visibility.c: Likewise.
12613         * ipa.c: Likewise.
12614         * ira-build.c: Likewise.
12615         * ira-color.c: Likewise.
12616         * ira-conflicts.c: Likewise.
12617         * ira-costs.c: Likewise.
12618         * ira-int.h: Likewise.
12619         * ira-lives.c: Likewise.
12620         * ira.c: Likewise.
12621         * ira.h: Likewise.
12622         * loop-invariant.c: Likewise.
12623         * loop-unroll.c: Likewise.
12624         * lower-subreg.c: Likewise.
12625         * lra-assigns.c: Likewise.
12626         * lra-constraints.c: Likewise.
12627         * lra-eliminations.c: Likewise.
12628         * lra-lives.c: Likewise.
12629         * lra-remat.c: Likewise.
12630         * lra-spills.c: Likewise.
12631         * lra.c: Likewise.
12632         * lto-cgraph.c: Likewise.
12633         * lto-streamer-out.c: Likewise.
12634         * postreload-gcse.c: Likewise.
12635         * predict.c: Likewise.
12636         * profile-count.h: Likewise.
12637         * profile.c: Likewise.
12638         * recog.c: Likewise.
12639         * ree.c: Likewise.
12640         * reload.c: Likewise.
12641         * reload1.c: Likewise.
12642         * reorg.c: Likewise.
12643         * resource.c: Likewise.
12644         * rtl.def: Likewise.
12645         * rtl.h: Likewise.
12646         * rtlanal.c: Likewise.
12647         * sched-deps.c: Likewise.
12648         * sched-ebb.c: Likewise.
12649         * sched-rgn.c: Likewise.
12650         * sel-sched-ir.c: Likewise.
12651         * sel-sched.c: Likewise.
12652         * shrink-wrap.c: Likewise.
12653         * simplify-rtx.c: Likewise.
12654         * symtab.c: Likewise.
12655         * target.def: Likewise.
12656         * toplev.c: Likewise.
12657         * tree-call-cdce.c: Likewise.
12658         * tree-cfg.c: Likewise.
12659         * tree-complex.c: Likewise.
12660         * tree-core.h: Likewise.
12661         * tree-eh.c: Likewise.
12662         * tree-inline.c: Likewise.
12663         * tree-loop-distribution.c: Likewise.
12664         * tree-nrv.c: Likewise.
12665         * tree-profile.c: Likewise.
12666         * tree-sra.c: Likewise.
12667         * tree-ssa-alias.c: Likewise.
12668         * tree-ssa-dce.c: Likewise.
12669         * tree-ssa-dom.c: Likewise.
12670         * tree-ssa-forwprop.c: Likewise.
12671         * tree-ssa-loop-im.c: Likewise.
12672         * tree-ssa-loop-ivcanon.c: Likewise.
12673         * tree-ssa-loop-ivopts.c: Likewise.
12674         * tree-ssa-loop-niter.c: Likewise.
12675         * tree-ssa-phionlycprop.c: Likewise.
12676         * tree-ssa-phiopt.c: Likewise.
12677         * tree-ssa-propagate.c: Likewise.
12678         * tree-ssa-threadedge.c: Likewise.
12679         * tree-ssa-threadupdate.c: Likewise.
12680         * tree-ssa-uninit.c: Likewise.
12681         * tree-ssanames.c: Likewise.
12682         * tree-streamer-out.c: Likewise.
12683         * tree.c: Likewise.
12684         * tree.h: Likewise.
12685         * vr-values.c: Likewise.
12687 2019-01-09  UroÅ¡ Bizjak  <ubizjak@gmail.com>
12689         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
12690         (ix86_split_xorsign): Ditto.
12691         * config/i386/i386.c (ix86_expand_xorsign): New function.
12692         (ix86_split_xorsign): Ditto.
12693         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
12694         (xorsign<mode>3): New expander.
12695         (xorsign<mode>3_1): New insn_and_split pattern.
12696         * config/i386/sse.md (xorsign<mode>3): New expander.
12698 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12700         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
12701         (*tablejump_sp64): Likewise.
12702         (*tablejump<P:mode>): ...this.
12703         (*call_address_sp32): Merge into...
12704         (*call_address_sp64): Likewise.
12705         (*call_address<P:mode>): ...this.
12706         (*call_symbolic_sp32): Merge into...
12707         (*call_symbolic_sp64): Likewise.
12708         (*call_symbolic<P:mode>): ...this.
12709         (call_value): Remove constraint and add predicate.
12710         (*call_value_address_sp32): Merge into...
12711         (*call_value_address_sp64): Likewise.
12712         (*call_value_address<P:mode>): ...this.
12713         (*call_value_symbolic_sp32): Merge into...
12714         (*call_value_symbolic_sp64): Likewise.
12715         (*call_value_symbolic<P:mode>): ...this.
12716         (*sibcall_symbolic_sp32): Merge into...
12717         (*sibcall_symbolic_sp64): Likewise.
12718         (*sibcall_symbolic<P:mode>): ...this.
12719         (sibcall_value): Remove constraint and add predicate.
12720         (*sibcall_value_symbolic_sp32): Merge into...
12721         (*sibcall_value_symbolic_sp64): Likewise.
12722         (*sibcall_value_symbolic<P:mode>): ...this.
12723         (window_save): Minor tweak.
12724         (*branch_sp32): Merge into...
12725         (*branch_sp64): Likewise.
12726         (*branch<P:mode>): ...this.
12728 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12729             James Clarke  <jrtc27@jrtc27.com>
12731         PR target/84010
12732         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
12733         consistently in TLS address generation and adjust code to the renaming
12734         of patterns.  Mark calls to __tls_get_addr as const.
12735         * config/sparc/sparc.md (tgd_hi22): Turn into...
12736         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
12737         (tgd_lo10): Turn into...
12738         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
12739         (tgd_add32): Merge into...
12740         (tgd_add64): Likewise.
12741         (tgd_add<P:mode>): ...this and use Pmode throughout.
12742         (tldm_hi22): Turn into...
12743         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
12744         (tldm_lo10): Turn into...
12745         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
12746         (tldm_add32): Merge into...
12747         (tldm_add64): Likewise.
12748         (tldm_add<P:mode>): ...this and use Pmode throughout.
12749         (tldm_call32): Merge into...
12750         (tldm_call64): Likewise.
12751         (tldm_call<P:mode>): ...this and use Pmode throughout.
12752         (tldo_hix22): Turn into...
12753         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
12754         (tldo_lox10): Turn into...
12755         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
12756         (tldo_add32): Merge into...
12757         (tldo_add64): Likewise.
12758         (tldo_add<P:mode>): ...this and use Pmode throughout.
12759         (tie_hi22): Turn into...
12760         (tie_hi22<P:mode>): ...this and use Pmode throughout.
12761         (tie_lo10): Turn into...
12762         (tie_lo10<P:mode>): ...this and use Pmode throughout.
12763         (tie_ld64): Use DImode throughout.
12764         (tie_add32): Merge into...
12765         (tie_add64): Likewise.
12766         (tie_add<P:mode>): ...this and use Pmode throughout.
12767         (tle_hix22_sp32): Merge into...
12768         (tle_hix22_sp64): Likewise.
12769         (tle_hix22<P:mode>): ...this and use Pmode throughout.
12770         (tle_lox22_sp32): Merge into...
12771         (tle_lox22_sp64): Likewise.
12772         (tle_lox22<P:mode>): ...this and use Pmode throughout.
12773         (*tldo_ldub_sp32): Merge into...
12774         (*tldo_ldub_sp64): Likewise.
12775         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
12776         (*tldo_ldub1_sp32): Merge into...
12777         (*tldo_ldub1_sp64): Likewise.
12778         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
12779         (*tldo_ldub2_sp32): Merge into...
12780         (*tldo_ldub2_sp64): Likewise.
12781         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
12782         (*tldo_ldsb1_sp32): Merge into...
12783         (*tldo_ldsb1_sp64): Likewise.
12784         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
12785         (*tldo_ldsb2_sp32): Merge into...
12786         (*tldo_ldsb2_sp64): Likewise.
12787         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
12788         (*tldo_ldub3_sp64): Use DImode throughout.
12789         (*tldo_ldsb3_sp64): Likewise.
12790         (*tldo_lduh_sp32): Merge into...
12791         (*tldo_lduh_sp64): Likewise.
12792         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
12793         (*tldo_lduh1_sp32): Merge into...
12794         (*tldo_lduh1_sp64): Likewise.
12795         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
12796         (*tldo_ldsh1_sp32): Merge into...
12797         (*tldo_ldsh1_sp64): Likewise.
12798         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
12799         (*tldo_lduh2_sp64): Use DImode throughout.
12800         (*tldo_ldsh2_sp64): Likewise.
12801         (*tldo_lduw_sp32): Merge into...
12802         (*tldo_lduw_sp64): Likewise.
12803         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
12804         (*tldo_lduw1_sp64): Use DImode throughout.
12805         (*tldo_ldsw1_sp64): Likewise.
12806         (*tldo_ldx_sp64): Likewise.
12807         (*tldo_stb_sp32): Merge into...
12808         (*tldo_stb_sp64): Likewise.
12809         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
12810         (*tldo_sth_sp32): Merge into...
12811         (*tldo_sth_sp64): Likewise.
12812         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
12813         (*tldo_stw_sp32): Merge into...
12814         (*tldo_stw_sp64): Likewise.
12815         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
12816         (*tldo_stx_sp64): Use DImode throughout.
12818 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12820         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
12821         check configure option to set BTI and Return Address Signing.
12822         * configure.ac: Add --enable-standard-branch-protection and
12823         --disable-standard-branch-protection.
12824         * configure: Regenerated.
12825         * doc/install.texi: Document the same.
12827 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12828             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12830         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
12831         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
12832         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
12833         if bti is enabled.
12834         * config/aarch64/aarch64-bti-insert.c: New file.
12835         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
12836         pass.
12837         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
12838         new bti pass.
12839         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
12840         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
12841         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
12842         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
12844 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12846         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
12847         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
12848         Disable bti for -mbranch-protection=none.
12849         (aarch64_handle_standard_branch_protection): Enable bti for
12850         -mbranch-protection=standard.
12851         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
12852         -mbranch-protection.
12853         (aarch64_bti_enabled): Check if bti is enabled.
12854         * config/aarch64/aarch64.opt: Declare target variable.
12855         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
12857 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12859         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
12860         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
12861         (aarch64_expand_epilogue): Likewise.
12862         (aarch64_output_mi_thunk): Likewise
12863         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
12864         TAILCALL_ADDR_REGS to x16 and x17.
12865         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
12867 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12869         * config/aarch64/aarch64-option-extensions.def: Define
12870         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
12871         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
12872         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
12873         (AARCH64_FL_PREDRES): New.
12874         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
12875         AARCH64_FL_PREDRES by default.
12876         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
12878 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12880         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
12881         ARMv8.5-A.
12882         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
12883         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
12884         * doc/invoke.texi: Document ARMv8.5-A.
12886 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
12888         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
12889         (xorsign<mode>3): Likewise.
12891 2019-01-09  Jelinek  <jakub@redhat.com>
12893         PR middle-end/88758
12894         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
12895         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
12897         PR rtl-optimization/88331
12898         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
12899         not currently_expanding_to_rtl.
12901 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12903         * doc/invoke.texi (-Os): Remove trailing spaces.
12904         (-finline-functions): Remove reference to -O2.
12906 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
12908         PR rtl-optimization/79593
12909         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
12911         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
12912         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
12914 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
12916         PR bootstrap/88721
12917         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
12918         to -1 on entry.
12920         PR debug/88723
12921         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
12922         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
12924 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
12926         PR target/88717
12927         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
12928         ix86_avx_u128_mode_entry.
12930 2019-01-08  Martin Liska  <mliska@suse.cz>
12932         PR tree-optimization/88753
12933         * tree-switch-conversion.c (switch_conversion::build_one_array):
12934         Come up with local variable constructor.  Convert first to
12935         type of constructor values.
12937 2019-01-08  Richard Biener  <rguenther@suse.de>
12939         PR tree-optimization/86554
12940         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
12941         rpo_avail): Move earlier.
12942         (visit_nary_op): When value-numbering to expressions
12943         with different overflow behavior make sure there's an
12944         available expression on the path.
12946 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
12948         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
12949         aarch64_parse_branch_protection,
12950         struct aarch64_branch_protect_type,
12951         aarch64_handle_no_branch_protection,
12952         aarch64_handle_standard_branch_protection,
12953         aarch64_validate_mbranch_protection,
12954         aarch64_handle_pac_ret_protection,
12955         aarch64_handle_attr_branch_protection,
12956         accepted_branch_protection_string,
12957         aarch64_pac_ret_subtypes,
12958         aarch64_branch_protect_types,
12959         aarch64_handle_pac_ret_leaf): Define.
12960         (aarch64_override_options_after_change_1, aarch64_override_options):
12961         Add check for accepted_branch_protection_string.
12962         (aarch64_option_save): Save accepted_branch_protection_string.
12963         (aarch64_option_restore): Save accepted_branch_protection_string.
12964         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
12965         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
12966         msign-return-address.
12967         * doc/invoke.texi: Add mbranch-protection.
12969 2019-01-08  Alan Modra  <amodra@gmail.com>
12971         PR target/88614
12972         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
12973         Delete "unknownp" parameter.  Adjust callers.  Handle
12974         CONST_INT, PLUS, MINUS, and MULT.
12975         (attr_value_aligned): Renamed from or_attr_value.
12976         (min_attr_value): Return INT_MIN for unhandled rtl case..
12977         (min_fn): ..and translate to INT_MAX here.
12978         (write_length_unit_log): Modify to cope without "unknown".
12979         (write_attr_value): Handle IF_THEN_ELSE.
12981 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
12983         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
12984         optimization for masked stores.
12986 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
12988         PR middle-end/88567
12989         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
12990         output vector directly to duplicate_and_interleave instead of
12991         going through a temporary.  Postpone insertion of ctor_seq to
12992         the end of the loop.
12994 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
12996         PR target/86891
12997         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
12998         unsigned_p.  Handle signed and unsigned overflow correction as
12999         required.
13000         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
13001         prototype.
13002         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
13003         for operand 2.
13004         (add<mode>3_compareV_imm): Make this callable for expanding.
13005         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
13006         aarch64_plus_operand for operand 2.
13007         (subv<GPI:mode>_insn): New insn pattern.
13008         (subv<GPI:mode>_imm): Likewise.
13009         (negv<GPI:mode>3): New expand pattern.
13010         (negv<GPI:mode>_insn): New insn pattern.
13011         (negv<GPI:mode>_cmp_only): Likewise.
13012         (cmpv<GPI:mode>_insn): Likewise.
13013         (subvti4): Use register_operand for operand 1.  Update call to
13014         aarch64_expand_subvti.
13015         (usubvti4): Likewise.
13016         (negvti3): New expand pattern.
13017         (negdi_carryout): New insn pattern.
13018         (negvdi_carryinV): New insn pattern.
13019         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
13020         version the named version.
13021         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
13022         operands.
13023         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
13024         patterns.
13025         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
13026         patterns.
13027         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
13028         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
13029         (sub<mode>3_carryinCV): Delete.
13030         (sub<GPI:mode>3_carryinV): New expand pattern.
13031         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
13033 2019-01-07  Richard Biener  <rguenther@suse.de>
13035         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
13036         of tree_operand_hash.
13038 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
13040         PR tree-optimization/88598
13041         * tree.h (single_nonzero_element): Declare.
13042         * tree.c (single_nonzero_element): New function.
13043         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
13044         if I is the only nonzero element of CST.
13046 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
13048         PR tree-optimization/88598
13049         * tree.h (initializer_each_zero_or_onep): Declare.
13050         * tree.c (initializer_each_zero_or_onep): New function.
13051         (signed_or_unsigned_type_for): Handle float types too.
13052         (unsigned_type_for, signed_type_for): Update comments accordingly.
13053         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
13054         x & { 0 or -1, 0 or -1, ... }.
13056 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
13058         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
13059         with x86_64-pc-linux-gnu.
13061 2019-01-07  Tom de Vries  <tdevries@suse.de>
13063         PR target/85486
13064         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
13065         function.
13066         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
13067         routines.
13069 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
13071         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
13072         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
13073         TARGET_AVX512F as condition.
13075         PR debug/88723
13076         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
13077         const_not_ok_for_debug_p target hook.
13078         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
13079         on UNSPEC and subexpressions thereof if all subexpressions of the
13080         UNSPEC are CONSTANT_P.
13082         PR tree-optimization/88676
13083         * tree-ssa-phiopt.c (two_value_replacement): New function.
13084         (tree_ssa_phiopt_worker): Call it.
13086         PR sanitizer/88619
13087         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
13088         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
13090         PR c++/85052
13091         * tree-vect-generic.c: Include insn-config.h and recog.h.
13092         (expand_vector_piecewise): Add defaulted ret_type argument,
13093         if non-NULL, use that in preference to type for the result type.
13094         (expand_vector_parallel): Formatting fix.
13095         (do_vec_conversion, do_vec_narrowing_conversion,
13096         expand_vector_conversion): New functions.
13097         (expand_vector_operations_1): Call expand_vector_conversion
13098         for VEC_CONVERT ifn calls.
13099         * internal-fn.def (VEC_CONVERT): New internal function.
13100         * internal-fn.c (expand_VEC_CONVERT): New function.
13101         * fold-const-call.c (fold_const_vec_convert): New function.
13102         (fold_const_call): Use it for CFN_VEC_CONVERT.
13103         * doc/extend.texi (__builtin_convertvector): Document.
13105 2019-01-07  Tom de Vries  <tdevries@suse.de>
13107         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
13108         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
13109         vector_red_partition, vector_red_sym): New global variables.
13110         (nvptx_option_override): Initialize vector_red_sym.
13111         (nvptx_declare_function_name): Restore red_partition register.
13112         (nvptx_file_end): Emit code to declare the vector reduction variables.
13113         (nvptx_output_red_partition): New function.
13114         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
13115         large vector reductions.
13116         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
13117         (nvptx_init_builtins): Add VECTOR_ADDR.
13118         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
13119         Handle nvptx_expand_shared_addr.
13120         (nvptx_get_shared_red_addr): Add vector argument and handle large
13121         vectors.
13122         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
13123         large vectors.
13124         (nvptx_goacc_reduction_init): Likewise.
13125         (nvptx_goacc_reduction_fini): Likewise.
13126         (nvptx_goacc_reduction_teardown): Likewise.
13127         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
13128         init,fini,teardown}.
13129         (nvptx_init_axis_predicate): Initialize vector_red_partition.
13130         (nvptx_set_current_function): Init vector_red_partition.
13131         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
13132         (nvptx_red_partition): New insn.
13133         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
13135 2019-01-07  Tom de Vries  <tdevries@suse.de>
13137         PR target/85381
13138         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
13139         empty loops.
13141 2019-01-07  Tom de Vries  <tdevries@suse.de>
13143         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
13144         (nvptx_option_override): Init oacc_bcast_partition.
13145         (nvptx_init_oacc_workers): New function.
13146         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
13147         (nvptx_needs_shared_bcast): New function.
13148         (nvptx_find_par): Generalize to enable vectors to use shared-memory
13149         to propagate state.
13150         (nvptx_shared_propagate): Initialize vector bcast partition and
13151         synchronization state.
13152         (nvptx_single):  Generalize to enable vectors to use shared-memory
13153         to propagate state.
13154         (nvptx_process_pars): Likewise.
13155         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
13156         * config/nvptx/nvptx.h (struct machine_function): Add
13157         bcast_partition and sync_bar members.
13159 2019-01-07  Tom de Vries  <tdevries@suse.de>
13161         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
13162         (nvptx_apply_dim_limits): New function.
13163         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
13164         PTX_WARP_SIZE.
13166 2019-01-07  Tom de Vries  <tdevries@suse.de>
13168         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
13169         as late as possible.
13171 2019-01-07  Tom de Vries  <tdevries@suse.de>
13173         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
13174         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
13175         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
13176         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
13177         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
13179 2019-01-07  Tom de Vries  <tdevries@suse.de>
13181         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
13183 2019-01-07  Tom de Vries  <tdevries@suse.de>
13185         * omp-offload.c (oacc_get_min_dim): New function.
13186         * omp-offload.h (oacc_get_min_dim): Declare.
13188 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
13190         PR target/88521
13191         * config/i386/i386.c (function_value_ms_64): Return small sturct in
13192         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
13194 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13196         PR tree-opt/86020
13197         Revert:
13198         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13200         * ipa-inline.c (edge_badness): Use inlined_time instead of
13201         inline_summaries->get.
13203 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13205         * opts.c (enable_fdo_optimizations): Enable
13206         version-loops-for-strides, loop-interchange, unrol-and-jam
13207         and tree-loop-distribution.
13208         * invoke.texi: Document newly enabled options.
13210 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13212         * doc/invoke.texi (max-inline-insns-small): New parameters.
13213         * ipa-inline.c (want_early_inline_function_p): simplify.
13214         (want_inline_small_function_p): Fix pasto from previous patch;
13215         use max-inline-insns-small bound.
13216         * params.def (max-inline-insns-small): New param.
13217         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
13218         variables correctly.
13220 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13222         * doc/invoke.texi: Document max-inline-insns-size,
13223         uninlined-function-insns, uninlined-function-time,
13224         uninlined-thunk-insns and uninlined-thunk-time.
13225         * params.def: Add max-inline-insns-size,
13226         uninlined-function-insns, uninlined-function-time,
13227         uninlined-thunk-insns and uninlined-thunk-time.
13228         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
13229         new parameters.
13230         * ipa-inline.c (can_inline_edge_by_limits_p,
13231         want_inline_small_function_p): Use new parameters.
13233 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13235         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
13237 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
13239         PR middle-end/82564
13240         PR target/88620
13241         * expr.c (expand_assignment): For calls returning VLA structures
13242         if to_rtx is not a MEM, force it into a stack temporary.
13244         PR debug/88635
13245         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
13246         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
13247         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
13248         subexpressions of both operands.
13249         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
13250         subrtxes are CONSTANT_P.
13251         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
13252         2018-11-09 changes.
13254 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
13256         * params.def (hot-bb-count-ws-permille): Set to 990.
13258 2019-01-04  Martin Sebor  <msebor@redhat.com>
13260         PR c/88546
13261         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
13262         leaf.
13264 2019-01-04  Martin Sebor  <msebor@redhat.com>
13266         PR c/88363
13267         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
13269 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
13271         * gdbinit.in: Turn off pagination for the skip commands, restore
13272         it to previous state afterwards.
13274 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
13276         PR target/88594
13277         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
13278         of GET_MODE (opN) as modes of the libcall arguments.
13280 2019-01-04  Jan Beulich  <jbeulich@suse.com>
13282         * config/i386/sse.md
13283         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
13284         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
13285         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
13286         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
13287         avx512f_vmcmp<mode>3<round_saeonly_name>,
13288         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
13289         avx512f_maskcmp<mode>3,
13290         <avx512>_cvt<ssemodesuffix>2mask<mode>,
13291         <avx512>_cvt<ssemodesuffix>2mask<mode>,
13292         *<avx512>_cvtmask2<ssemodesuffix><mode>,
13293         *<avx512>_cvtmask2<ssemodesuffix><mode>,
13294         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
13295         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
13296         <avx512>_gt<mode>3<mask_scalar_merge_name>,
13297         <avx512>_gt<mode>3<mask_scalar_merge_name>,
13298         <avx512>_testm<mode>3<mask_scalar_merge_name>,
13299         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
13300         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
13301         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
13302         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
13303         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
13304         avx512cd_maskb_vec_dup<mode>,
13305         avx512cd_maskw_vec_dup<mode>,
13306         avx512dq_fpclass<mode><mask_scalar_merge_name>,
13307         avx512dq_vmfpclass<mode>,
13308         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
13309         instead of =Yk.
13311 2019-01-03  Martin Sebor  <msebor@redhat.com>
13313         PR tree-optimization/88659
13314         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
13316 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
13318         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
13319         unaligned vsx and avoid lxvd2x/stxvd2x.
13320         (gen_lvx_v4si_move): New function.
13322 2019-01-03  Tom de Vries  <tdevries@suse.de>
13324         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
13325         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
13326         function.
13327         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
13329 2019-01-03  Tom de Vries  <tdevries@suse.de>
13331         * config/nvptx/nvptx.c (struct offload_attrs): New.
13332         (populate_offload_attrs): New function.  Factor mask extraction out of
13333         nvptx_reorg.  Add extraction of dimensions.
13334         (nvptx_reorg): Use populate_offload_attrs.
13336 2019-01-03  Tom de Vries  <tdevries@suse.de>
13338         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
13339         cases for oacc_min_dims_p and routine_p.  Add asserts for
13340         oacc_default_dims_p and offload_region_p.
13342 2019-01-03  Tom de Vries  <tdevries@suse.de>
13344         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
13345         factored out of ...
13346         (nvptx_goacc_validate_dims): ... here.
13348 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
13350         PR tree-optimization/85574
13351         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
13352         structure.
13353         (struct ssa_equip_hash_traits): Declare.
13354         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
13356 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
13358         PR debug/88644
13359         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
13360         change it to qualified_type.
13362 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
13364         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
13365         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
13367 2019-01-02  Martin Sebor  <msebor@redhat.com>
13368             Jeff Law  <law@redhat.com>
13370         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
13371         (get_range_strlen_tree): Update appropriately.
13372         (get_range_strlen)
13373         * gimple-fold.h (get_range_strlen): Drop unused last argument.
13375         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
13376         rather than set_range_info.
13377         * tree-ssa-strlen.c (set_strlen_range): Extracted from
13378         maybe_set_strlen_range.  Handle potentially boundary crossing
13379         cases more conservatively.
13380         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
13381         Call set_strlen_range.
13382         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
13384         PR middle-end/88663
13385         * gimple-fold.c (get_range_strlen): Update prototype to no longer
13386         need the flexp argument.
13387         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
13388         from calls to get_range_strlen.  Update comments.  Just update
13389         VAL for an unterminated const char array and let the reset of the
13390         code handle it normally.  No longer try to set *flexp.  Adjust
13391         return value.
13392         (get_range_strlen): Update for the new get_range_strlen API.
13393         (get_maxval_strlen): Similarly.
13394         (gimple_fold_builtin_strlen): Handle update meaning of return value
13395         from get_range_strlen.
13396         * gimple-ssa-sprintf.c (get_string_length): Update for the new
13397         get_range_strlen API.
13399 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
13401         PR lto/88130
13402         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
13403         false at WPA time when body was removed.
13405 2019-01-02  Martin Liska  <mliska@suse.cz>
13407         PR tree-optimization/88650
13408         * predict.c (set_even_probabilities): Calculate probability
13409         remainer only when really used.
13411 2019-01-02  Richard Biener  <rguenther@suse.de>
13413         PR middle-end/88651
13414         * tree-data-ref.c (analyze_subscript_affine_affine): Use
13415         widest_ints when mangling max_stmt_execution results.
13417 2019-01-02  Richard Biener  <rguenther@suse.de>
13419         PR tree-optimization/88621
13420         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
13421         bitfields when canoncalizing.
13423 2019-01-02  Richard Biener  <rguenther@suse.de>
13425         PR target/87545
13426         * config/i386/x86-tune-costs.h (intel_cost): Adjust
13427         cost of cheap SSE instruction.
13429 2019-01-02  Richard Biener  <rguenther@suse.de>
13431         PR ipa/85574
13432         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
13433         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
13434         function.
13435         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
13436         set after UIDs before splitting them.
13438 2019-01-01  Martin Sebor  <msebor@redhat.com>
13439             Jeff Law  <law@redhat.com>
13441         * gimple-fold.c (get_range_strlen_tree): Record if the computed
13442         length is optimistic.  If it is, then arrange to compute the
13443         conservative length as well.
13445         * gimple-fold.h (get_range_strlen): Update prototype.
13446         * builtins.c (check_access): Update call to get_range_strlen to use
13447         c_strlen_data pointer.   Change various variable accesses to instead
13448         pull data from the c_strlen_data structure.
13449         (check_strncat_sizes, expand_builtin_strncat): Likewise.
13450         * calls.c (maybe_warn_nonstring_arg): Likewise.
13451         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
13452         minimum length if maximum lengh is unknown.
13453         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
13454         that used c_strlen, it's no longer needed.  Restructure slightly.
13455         (format_string): Set unlikely range appropriately.
13456         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
13457         formatting issues.
13458         (get_range_strlen):  Accept c_strlen_data pointer for external
13459         call sites as well.  Pass through to call to internal get_range_strlen.
13460         Adjust minlen, maxlen and maxbound as needed.
13461         (get_maxval_strlen): Update comments.
13462         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
13463         to use c_strlen_data pointer.  Change variable accesses to instead
13464         use c_strlen_data data members.
13466         * gimple-fold.c (get_range_strlen): Update prototype.
13467         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
13468         local variables.  Use pdata to return information to caller.
13469         Update calls to get_range_strlen.  Update pdata->maxbound.
13470         (get_range_strlen -- static version): Similarly.
13471         (get_range_strlen -- extern version): Update for internal
13472         get_range_strlen API change.  Convert to external data format.
13473         (get_maxval_strlen): Similarly.
13475 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
13477         * coverage.c (get_coverage_counts): Use current_function_decl.
13478         * profile.c (read_thunk_profile): New function.
13479         (branch_prob): Add THUNK parameter.
13480         * tree-profile.c (tree_profiling): Handle thunks.
13481         * value-prof.c (init_node_map): Handle thunks.
13482         * value-prof.h (branch_prob): Upate prototype.
13483         (read_thunk_profile): Declare.
13485 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
13487         Update copyright years.
13489         * gcc.c (process_command): Update copyright notice dates.
13490         * gcov-dump.c (print_version): Ditto.
13491         * gcov.c (print_version): Ditto.
13492         * gcov-tool.c (print_version): Ditto.
13493         * gengtype.c (create_file): Ditto.
13494         * doc/cpp.texi: Bump @copying's copyright year.
13495         * doc/cppinternals.texi: Ditto.
13496         * doc/gcc.texi: Ditto.
13497         * doc/gccint.texi: Ditto.
13498         * doc/gcov.texi: Ditto.
13499         * doc/install.texi: Ditto.
13500         * doc/invoke.texi: Ditto.
13502 Copyright (C) 2019 Free Software Foundation, Inc.
13504 Copying and distribution of this file, with or without modification,
13505 are permitted in any medium without royalty provided the copyright
13506 notice and this notice are preserved.