introduce EH_ELSE_EXPR tree and gimplifier
[official-gcc.git] / gcc / ChangeLog
blob41b8b14400ae2f98f797daee397889bef7b309e3
1 2019-07-04  Alexandre Oliva <oliva@adacore.com>
3         * doc/generic.texi (Cleanups): Document EH_ELSE_EXPR.
4         * except.c: Likewise.
5         * expr.c (expand_expr_real_1): Reject it.
6         * gimplify.c (gimplify_expr): Gimplify it, within
7         TRY_FINALLY_EXPR.
8         * tree-dump.c (dequeue_and_dump): Dump it.
9         * tree-pretty-print.c (dump_generic_node): Likewise.
10         * tree.c (block_may_fallthru): Handle it.
11         * tree.def (EH_ELSE_EXPR): Introduce it.
12         * gimple-pretty-print.c (dump_gimple_try): Dump TRY_FINALLY
13         with GIMPLE_EH_ELSE as try/finally/else.
15 2019-07-04  Richard Biener  <rguenther@suse.de>
17         PR ipa/91062
18         * tree-pass.h (execute_all_ipa_transforms): Add a flag
19         parameter whether to disable GC collection.
20         * passes.c (execute_one_ipa_transform_pass): Likewise, and
21         honor it.
22         (execute_all_ipa_transforms): Likewise and pass it down.
23         * cgraph.c (cgraph_node::get_body): Do not invoke garbage
24         collection from applying IPA transforms.
25         * cgraphunit.c (cgraph_node::expand): Allow garbage collection
26         from applying IPA transforms.
28 2019-07-04  Richard Biener  <rguenther@suse.de>
30         PR tree-optimization/90911
31         * tree-vectorizer.h (_loop_vec_info::scalar_loop_scaling): New field.
32         (LOOP_VINFO_SCALAR_LOOP_SCALING): new.
33         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
34         scalar_loop_scaling.
35         (vect_transform_loop): Scale scalar loop profile if needed.
36         * tree-vect-loop-manip.c (vect_loop_versioning): When re-using
37         the loop copy from if-conversion adjust edge probabilities
38         and scale the vectorized loop body profile, queue the scalar
39         profile for updating after peeling.
41 2019-07-04  Jan Hubicka  <jh@suse.cz>
43         * tree-ssa-alias.c (decl_refs_may_alias_p): Add size1 and size2
44         parameters; return early for must-alias.
45         (indirect_ref_may_alias_decl_p): Likewise; when establishing
46         outer types match, try nonoverlapping_component_refs
47         if must-alias is not obvious.
48         (indirect_refs_may_alias_p): Likewise.
49         (refs_may_alias_p_2): Likewise.
51 2019-07-04  Richard Biener  <rguenther@suse.de>
53         * tree-ssa-sccvn.h (vn_reference_lookup): Add last_vuse_ptr
54         argument.
55         * tree-ssa-sccvn.c (last_vuse_ptr, vn_walk_kind): Move
56         globals into...
57         (struct vn_walk_cb_data): New callback data struct.
58         (vn_reference_lookup_2): Adjust.
59         (vn_reference_lookup_3): Likewise.
60         (vn_reference_lookup_pieces): Likewise.
61         (vn_reference_lookup): Likewise, get last_vuse_ptr argument.
62         (visit_reference_op_load): Adjust.
64 2019-07-04  Jakub Jelinek  <jakub@redhat.com>
66         PR tree-optimization/91063
67         * tree-vect-stmts.c (vect_init_vector): Call gsi_remove to remove
68         stmt from stmts sequence before calling vect_init_vector_1.
69         Formatting fix.
71 2019-07-04  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
73         PR target/88833
74         * fwprop.c (reg_single_def_p): New function.
75         (propagate_rtx_1): Add unconditional else inside RTX_EXTRA case.
76         (forward_propagate_into): New parameter reg_prop_only
77         with default value false.
78         Propagate def's src into loop only if SET_SRC and SET_DEST
79         of def_set have single definitions.
80         Likewise if reg_prop_only is set to true.
81         (fwprop): New param fwprop_addr_p.
82         Integrate fwprop_addr into fwprop.
83         (fwprop_addr): Remove.
84         (pass_rtl_fwprop_addr::execute): Call fwprop with arg set
85         to true.
86         (pass_rtl_fwprop::execute): Call fwprop with arg set to false.
87         * simplify-rtx.c (simplify_subreg): Add case for vector comparison.
88         * config/i386/sse.md (UNSPEC_BLENDV): Adjust pattern.
90 2019-07-04  Jakub Jelinek  <jakub@redhat.com>
92         * omp-low.c (lower_omp_scan): Call lower_omp on stmt's body
93         in worksharing loop scans.
95         PR tree-optimization/91074
96         * omp-low.c (lower_omp_for_scan): Set DECL_GIMPLE_REG_P on cplx
97         temporary.
99         PR rtl-optimization/90756
100         * explow.c (promote_ssa_mode): Always use TYPE_MODE, don't bypass it
101         for VECTOR_TYPE_P.
103 2019-07-03  Dennis Zhang  <dennis.zhang@arm.com>
105         * config/aarch64/aarch64.md: Remove redundant constraints from
106         define_expand but keep some patterns untouched if they are
107         specially selected by TARGET_SECONDARY_RELOAD hook.
108         * config/aarch64/aarch64-sve.md: Likewise.
109         * config/aarch64/atomics.md: Remove redundant constraints from
110         define_expand.
111         * config/aarch64/aarch64-simd.md: Likewise.
113 2019-07-03  Iain Sandoe  <iain@sandoe.co.uk>
115         * config/darwin.h (DRIVER_SELF_SPECS): Remove the linker cases.
116         (RDYNAMIC): Rename to, DARWIN_RDYNAMIC.
117         (DARWIN_PIE_SPEC, DARWIN_NOPIE_SPEC): Adjust to remove the Xlinker
118         clauses.
119         (LINK_COMMAND_SPEC_A): Add DARWIN_RDYNAMIC, DARWIN_PIE_SPEC and
120         DARWIN_NOPIE_SPEC.
122 2019-07-03  Iain Sandoe  <iain@sandoe.co.uk>
124         * config/darwin.h (REAL_LIBGCC_SPEC): Adjust for earlier Darwin.
125         (STARTFILE_SPEC): Split crt3 into a separate spec.
126         (DARWIN_EXTRA_SPECS): Add crt2 and crt3 spec.
127         (DARWIN_CRT2_SPEC): New.
128         (DARWIN_CRT3_SPEC): New.
129         (MIN_LD64_OMIT_STUBS): Revise to 62.1.
130         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): Revise conditions.
131         (DARWIN_CRT3_SPEC): New.
133 2019-07-03  Michael Meissner  <meissner@linux.ibm.com>
135         * config/rs6000/altivec.md (altivec_mov<mode>, VM2 iterator):
136         Change the RTL attribute "length" from "4" to "*" to allow the
137         length attribute to be adjusted automatically for prefixed load,
138         store, and add immediate instructions.
139         * config/rs6000/rs6000.md (extendhi<mode>2, EXTHI iterator):
140         Likewise.
141         (extendsi<mode>2, EXTSI iterator): Likewise.
142         (movsi_internal1): Likewise.
143         (movsi_from_sf): Likewise.
144         (movdi_from_sf_zero_ext): Likewise.
145         (mov<mode>_internal): Likewise.
146         (movcc_internal1, QHI iterator): Likewise.
147         (mov<mode>_softfloat, FMOVE32 iterator): Likewise.
148         (movsf_from_si): Likewise.
149         (mov<mode>_hardfloat32, FMOVE64 iterator): Likewise.
150         (mov<mode>_softfloat64, FMOVE64 iterator): Likewise.
151         (mov<mode>, FMOVE128 iterator): Likewise.
152         (movdi_internal64): Likewise.
153         * config/rs6000/vsx.md (vsx_le_permute_<mode>, VSX_TI iterator):
154         Likewise.
155         (vsx_le_undo_permute_<mode>, VSX_TI iterator): Likewise.
156         (vsx_mov<mode>_64bit, VSX_M iterator): Likewise.
157         (vsx_mov<mode>_32bit, VSX_M iterator): Likewise.
158         (vsx_splat_v4sf): Likewise.
160 2019-07-03  Mark Wielaard  <mark@klomp.org>
162         PR debug/90981
163         * dwarf2out.c (add_top_level_skeleton_die_attrs): Only add
164         DW_AT_addr_base if there is actually a .debug_addr section with
165         addresses.
166         (output_addr_table): Add DWARF5 table header generation here after
167         checking there are actually any addresses from...
168         (dwarf2out_finish): ...here.
169         * testsuite/g++.dg/pr90981.C: New test.
171 2019-07-03  Richard Biener  <rguenther@suse.de>
173         PR middle-end/91069
174         * match.pd (vec_perm -> bit_insert): Fix element read from
175         first vector.
177 2019-07-03  Martin Liska  <mliska@suse.cz>
179         * dbgcnt.def (DEBUG_COUNTER): Add match debug counter.
180         * genmatch.c (dt_simplify::gen_1): Generate dbgcnt
181         condition.
182         * generic-match-head.c: Include dbgcnt.h.
183         * gimple-match-head.c: Likewise.
185 2019-07-03  Martin Liska  <mliska@suse.cz>
187         * gcov-counter.def (GCOV_COUNTER_V_SINGLE): Remove.
188         (GCOV_COUNTER_V_TOPN): New.
189         (GCOV_COUNTER_V_INDIR): Use _topn.
190         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): Remove.
191         (GCOV_TOPN_VALUES): New.
192         (GCOV_SINGLE_VALUE_COUNTERS): Remove.
193         (GCOV_TOPN_VALUES_COUNTERS): New.
194         * profile.c (instrument_values): Use HIST_TYPE_TOPN_VALUES.
195         * tree-profile.c:
196         (gimple_init_gcov_profiler): Rename variables from one_value
197         to topn_values.
198         (gimple_gen_one_value_profiler): Remove.
199         (gimple_gen_topn_values_profiler): New function.
200         * value-prof.c (dump_histogram_value): Use TOPN_VALUES
201         names instead of SINGLE_VALUE.
202         (stream_out_histogram_value): Likewise.
203         (stream_in_histogram_value): Likewise.
204         (get_most_common_single_value): Likewise.
205         (gimple_divmod_fixed_value_transform): Likewise.
206         (gimple_stringops_transform): Likewise.
207         (gimple_divmod_values_to_profile): Likewise.
208         (gimple_stringops_values_to_profile): Likewise.
209         (gimple_find_values_to_profile): Likewise.
210         * value-prof.h (enum hist_type): Rename to TOPN.
211         (gimple_gen_one_value_profiler): Remove.
212         (gimple_gen_topn_values_profiler): New.
214 2019-07-03  Eric Botcazou  <ebotcazou@adacore.com>
216         * dwarf2out.c (add_scalar_info): Add back refererence to existing DIE
217         if it has the DW_AT_data_member_location attribute.
219 2019-07-03  Richard Biener  <rguenther@suse.de>
221         * gimple-pretty-print.c (dump_ternary_rhs): Fix BIT_INSERT_EXPR
222         dumping.
224 2019-07-03  Sylvia Taylor  <sylvia.taylor@arm.com>
226         * config/aarch64/aarch64.md (FP_REGNUM): New constant.
227         (tlsdesc_small_advsimd_<mode>): Add use of FP_REGNUM.
228         (tlsdesc_small_sve_<mode>): Likewise.
230 2019-07-03  Martin Liska  <mliska@suse.cz>
232         * Makefile.in: Define ZSTD_LIB.
233         * common.opt: Adjust compression level
234         to support also zstd levels.
235         * config.in: Regenerate.
236         * configure: Likewise.
237         * configure.ac: Add --with-zstd and --with-zstd-include options
238         and detect ZSTD.
239         * doc/install.texi: Mention zstd dependency.
240         * gcc.c: Print supported LTO compression algorithms.
241         * lto-compress.c (lto_normalized_zstd_level): Likewise.
242         (lto_compression_zstd): Likewise.
243         (lto_uncompression_zstd): Likewise.
244         (lto_end_compression): Dispatch in between zlib and zstd.
245         (lto_compression_zlib): Mark with ATTRIBUTE_UNUSED.
246         (lto_uncompression_zlib): Make it static.
247         * lto-compress.h (lto_end_uncompression): Fix GNU coding style.
248         * lto-section-in.c (lto_get_section_data): Pass info
249         about used compression.
250         * lto-streamer-out.c: By default use zstd when possible.
251         * timevar.def (TV_IPA_LTO_DECOMPRESS): Rename to decompression
252         (TV_IPA_LTO_COMPRESS): Likewise for compression.
254 2019-07-03  Martin Liska  <mliska@suse.cz>
256         * lto-section-in.c (lto_get_section_data): Add "lto" section.
257         * lto-section-out.c (lto_destroy_simple_output_block): Never
258         compress LTO_section_lto section.
259         * lto-streamer-out.c (produce_asm): Do not set major_version
260         and minor_version.
261         (lto_output_toplevel_asms): Likewise.
262         (produce_lto_section): New function.
263         (lto_output): Call produce_lto_section.
264         (lto_write_mode_table): Do not set major_version and
265         minor_version.
266         (produce_asm_for_decls): Likewise.
267         * lto-streamer.h (enum lto_section_type): Add LTO_section_lto
268         type.
269         (struct lto_header): Remove.
270         (struct lto_section): New struct.
271         (struct lto_simple_header): Do not inherit from lto_header.
272         (struct lto_file_decl_data): Add lto_section_header field.
274 2019-07-03  Martin Liska  <mliska@suse.cz>
276         * lra-eliminations.c (eliminate_regs_in_insn): Remove
277         dead assignemts.
278         * reg-stack.c (check_asm_stack_operands): Likewise.
279         * tree-ssa-structalias.c (create_function_info_for): Likewise.
280         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
281         * config/i386/i386-expand.c (ix86_expand_sse2_mulvxdi3): Use
282         force_expand_binop.
284 2019-07-03  Martin Liska  <mliska@suse.cz>
286         PR tree-optimization/90892
287         * builtins.c (inline_expand_builtin_string_cmp): Handle '\0'
288         in string constants.
290 2019-07-03  Martin Liska  <mliska@suse.cz>
292         PR middle-end/90899
293         * multiple_target.c (create_dispatcher_calls): Add to comdat
294         group only if set for ifunc.
296 2019-07-03  Martin Liska  <mliska@suse.cz>
298         PR target/88056
299         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
300         Define local_object_name in outer scope in order to handle
301         use-after-scope issue.
303 2019-07-03  Martin Liska  <mliska@suse.cz>
305         * common.opt: Add fprofile-note.
306         * coverage.c (coverage_init): Append the option
307         to bbg_file_name.
308         * doc/invoke.texi: Document -fprofile-note.
310 2019-07-03  Jakub Jelinek  <jakub@redhat.com>
312         PR tree-optimization/91033
313         * tree-vectorizer.h (vect_mark_stmts_to_be_vectorized,
314         vect_analyze_data_refs): Add bool * arguments.
315         * tree-vect-data-refs.c (vect_analyze_data_refs): Add fatal argument,
316         if failure is due to scatter/gather, set *fatal to false if non-NULL.
317         * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
318         * tree-vect-loop.c (vect_analyze_loop_2): Adjust
319         vect_mark_stmts_to_be_vectorized and vect_analyze_data_refs callers.
320         * tree-vect-slp.c (vect_slp_analyze_bb_1): Adjust
321         vect_analyze_data_refs caller.
323         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__SCANTEMP_
324         clause.
325         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__SCANTEMP_ instead of
326         OMP_CLAUSE__CONDTEMP_ as range's upper bound.
327         (OMP_CLAUSE__SCANTEMP__ALLOC, OMP_CLAUSE__SCANTEMP__CONTROL): Define.
328         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
329         OMP_CLAUSE__SCANTEMP_ entry.
330         (walk_tree_1): Handle OMP_CLAUSE__SCANTEMP_.
331         * tree-pretty-print.c (dump_omp_clause): Likewise.
332         * tree-nested.c (convert_nonlocal_omp_clauses,
333         convert_local_omp_clauses): Likewise.
334         * omp-general.h (struct omp_for_data): Add have_scantemp and
335         have_nonctrl_scantemp members.
336         * omp-general.c (omp_extract_for_data): Initialize them.
337         * omp-low.c (struct omp_context): Add scan_exclusive member.
338         (scan_omp_1_stmt): Don't unnecessarily mask gimple_omp_for_kind
339         result again with GF_OMP_FOR_KIND_MASK.  Initialize also
340         ctx->scan_exclusive.
341         (lower_rec_simd_input_clauses): Use ctx->scan_exclusive instead
342         of !ctx->scan_inclusive.
343         (lower_rec_input_clauses): Simplify gimplification of dtors using
344         gimplify_and_add.  For non-is_simd test OMP_CLAUSE_REDUCTION_INSCAN
345         rather than rvarp.  Handle OMP_CLAUSE_REDUCTION_INSCAN in worksharing
346         loops.  Don't add barrier for reduction_omp_orig_ref if
347         ctx->scan_??xclusive.
348         (lower_reduction_clauses): Don't do anything for ctx->scan_??xclusive.
349         (lower_omp_scan): Use ctx->scan_exclusive instead
350         of !ctx->scan_inclusive.  Handle worksharing loops with inscan
351         reductions.  Use new_vard != new_var instead of repeated
352         omp_is_reference calls.
353         (omp_find_scan, lower_omp_for_scan): New functions.
354         (lower_omp_for): Call lower_omp_for_scan for worksharing loops with
355         inscan reductions.
356         * omp-expand.c (expand_omp_scantemp_alloc): New function.
357         (expand_omp_for_static_nochunk): Handle fd->have_nonctrl_scantemp
358         and fd->have_scantemp.
360         * gimplify.c (gimplify_scan_omp_clauses): For inscan reductions
361         on worksharing loop propagate it as shared clause to containing
362         combined parallel.
364         * omp-expand.c (expand_omp_for_static_nochunk,
365         expand_omp_for_static_chunk): For nowait worksharing loop with
366         conditional lastprivate clause(s), emit GOMP_loop_end_nowait call
367         at the end.
369 2019-07-02  Joern Rennecke  <joern.rennecke@riscy-ip.com>
371         PR testsuite/91065
372         * testsuite/gcc.dg/plugin/start_unit_plugin.c: Register a root tab
373         to reference fake_var.
375 2019-07-02  qing zhao  <qing.zhao@oracle.com>
377         PR preprocessor/90581
378         * doc/cppopts.texi: Add document for -fmax-include-depth.
379         * doc/invoke.texi (Preprocessor Options): List -fmax-include-depth.
381 2019-07-02  UroÅ¡ Bizjak  <ubizjak@gmail.com>
383         * config/i386/mmx.md (mmx_pack<s_trunsuffix>swb):
384         Use TARGET_SSE2 && SSE_REGNO_P in split condition.
385         (mmx_packssdw): Ditto.
386         (mmx_punpckhbw): Ditto.
387         (mmx_punpcklbw): Ditto.
388         (mmx_punpckhwd): Ditto.
389         (mmx_punpcklwd): Ditto.
390         (mmx_punpckhdq): Ditto.
391         (mmx_punpckldq): Ditto.
392         (*vec_dupv4hi): Ditto.
393         (*vec_dupv2si): Ditto.
394         (mmx_pmovmskb): Ditto.
395         * config/i386/sse.md (sse_cvtpi2ps): Use
396         TARGET_SSE2 && SSE_REG_P in split condition.
397         (ssse3_ph<plusminus_mnemonic>wv4hi3): Use
398         TARGET_SSSE3 && SSE_REGNO_P in split condition.
399         (ssse3_ph<plusminus_mnemonic>dv2si3): Ditto.
400         (ssse3_pshufbv8qi3): Ditto.
401         (ssse3_palignrdi): Ditto.
403 2019-07-02  Andrew Stubbs  <ams@codesourcery.com>
405         * config/gcn/gcn.md (movdi_symbol_save_scc): Convert to define_insn
406         with inlined save and restore.
408 2019-07-02  Eric Botcazou  <ebotcazou@adacore.com>
410         * cfgexpand.c (pass_expand::execute): Deal specially with instructions
411         to be inserted on single successor edge of the entry block.  Then call
412         commit_edge_insertions instead of inserting the instructions manually.
413         * cfgrtl.c (commit_edge_insertions): Do not verify flow info during
414         RTL expansion and rebuild jump labels chain.
416 2019-07-02  Richard Biener  <rguenther@suse.de>
418         * tree-core.h (enum tree_index): Add TI_CHREC_DONT_KNOW and
419         TI_CHREC_KNOWN.
420         * tree.h (chrec_not_analyzed_yet, chrec_dont_know, chrec_known):
421         Define here.
422         * tree.c (build_common_tree_nodes): Initialize them.
423         * tree-chrec.h (chrec_not_analyzed_yet, chrec_dont_know, chrec_known):
424         Make declarations comments.
425         * tree-scalar-evolution.c (chrec_not_analyzed_yet, chrec_dont_know,
426         chrec_known): Remove definitions.
427         (initialize_scalar_evolutions_analyzer): Remove.
428         (scev_initialize): Do not call initialize_scalar_evolutions_analyzer.
429         * tree-streamer.c (preload_common_nodes): Do not preload
430         TI_CHREC_DONT_KNOW or TI_CHREC_KNOWN.
432 2019-07-02  Jan Hubicka  <jh@suse.cz>
434         * tree-ssa-alias.c (aliasing_component_refs_p): Remove forgotten
435         sanity check.
437 2019-07-02  Jan Hubicka  <jh@suse.cz>
439         * tree-ssa-alias.c (nonoverlapping_component_refs_for_decl_p): Rename
440         to ..
441         (nonoverlapping_component_refs_since_match_p): ... this one;
442         handle also non-decl bases; return -1 if search gave up.
443         (alias_stats): Rename nonoverlapping_component_refs_of_decl_p_may_alias,
444         nonoverlapping_component_refs_of_decl_p_no_alias to
445         nonoverlapping_component_refs_since_match_p_may_alias,
446         nonoverlapping_component_refs_since_match_p_no_alias.
447         (dump_alias_stats): Update dumping.
448         (aliasing_matching_component_refs_p):  Break out from ...;
449         dispatch to nonoverlapping_component_refs_for_decl_p
450         and nonoverlapping_component_refs_since_match_p.
451         (aliasing_component_refs_p): ... here; call
452         nonoverlapping_component_refs_p in scenarios where we can not
453         precisely determine base match.
454         (decl_refs_may_alias_p): Use
455         nonoverlapping_component_refs_since_match_p.
456         (indirect_ref_may_alias_decl_p): Do not call
457         nonoverlapping_component_refs_p.
458         (indirect_refs_may_alias_p): Likewise.
460 2019-07-02  Jan Hubicka  <jh@suse.cz>
462         * tree-inline.c (remap_gimple_stmt): Do not subtitute handled components
463         to clobber of return value.
465 2019-07-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
467         * config/arm/cortex-a57.md (cortex_a57_neon_type): Use neon_arith_basic
468         for is_neon_type instructions that have not already been categorized.
470 2019-07-02  Richard Biener  <rguenther@suse.de>
472         PR tree-optimization/58483
473         * tree-ssa-scopedtables.c (avail_expr_hash): Use OEP_ADDRESS_OF
474         for MEM_REF base hashing.
475         (equal_mem_array_ref_p): Likewise for base comparison.
477 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
479         * config/rs6000/rs6000.md (signbit<mode>2_dm): Make this a
480         parameterized name.
481         (signbit<mode>2): Use that name.  Simplify.
483 2019-07-01  Joern Rennecke  <joern.rennecke@riscy-ip.com>
485         PR middle-end/66726
486         * tree-ssa-phiopt.c (factor_out_conditional_conversion):
487         Tune heuristic from PR71016 to allow MIN / MAX.
488         * testsuite/gcc.dg/tree-ssa/pr66726-4.c: New testcase.
490 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
492         * config/rs6000/rs6000.md (ieee_128bit_vsx_abs<mode>2): Make this a
493         parameterized name.
494         (abs<mode>2): Use that name.  Simplify.
496 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
498         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2): Make this a
499         parameterized name.
500         (neg<mode>2): Use that name.  Simplify.
502 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
504         * config/rs6000/rs6000.md (abs<mode>2_hw): Make this a parameterized
505         name.
506         (abs<mode>2): Use that name.  Simplify.
508 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
510         * config/rs6000/rs6000.md (neg<mode>2_hw): Make this a parameterized
511         name.
512         (neg<mode>2): Use that name.  Simplify.
514 2019-07-01  UroÅ¡ Bizjak  <ubizjak@gmail.com>
516         * config/i386/i386.md ("isa" attribute): Add sse_noavx.
517         ("enabled" attribute): Handle sse_noavx isa attribute.
518         * config/i386/mmx.md (*vec_dupv2sf): Add "isa" attribute.
519         Use TARGET_SSE && SSE_REGNO_P in split condition.
520         (*vec_dupv2sf): Ditto.
522 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
524         * config/rs6000/rs6000.md (extenddf<mode>2): Make this a parameterized
525         name.
526         (floatsi<mode>2): Use that name.  Simplify.
528 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
530         * config/rs6000/rs6000.md (extenddf<mode>2_fprs): Make this a
531         parameterized name.
532         (extenddf<mode>2_vsx): Make this a parameterized name.
533         (extenddf<mode>2): Use those names.  Simplify.
535 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
537         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Make this a parameterized
538         name.
539         (eh_return): Use that name.  Simplify.
541 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
543         * config/rs6000/rs6000.md (ctr<mode>): Make this a parameterized name.
544         (doloop_end): Use that name.  Simplify.
546 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
548         * config/rs6000/rs6000.md (indirect_jump<mode>_nospec): Make this a
549         parameterized name.
550         (indirect_jump): Use that name.  Simplify.
552 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
554         * config/rs6000/rs6000.md (abs<mode>2_internal): Make this a
555         parameterized name.
556         (abs<mode>2): Use that name.  Simplify.
558 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
560         * config/rs6000/rs6000.md (fix_trunc<mode>si2_fprs): Make this a
561         parameterized name.
562         (fix_trunc<mode>si2): Use that name.  Simplify.
564 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
566         * config/rs6000/rs6000.md (neg<mode>2): Make this a parameterized name.
567         (allocate_stack): Use that name.  Simplify.
569 2019-07-01  Martin Sebor  <msebor@redhat.com>
571         PR middle-end/90923
572         * hash-map.h (hash_map::put): On insertion invoke element ctor.
573         (hash_map::get_or_insert): Same.  Reformat comment.
574         * hash-set.h (hash_set::add): On insertion invoke element ctor.
575         * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): New.
576         * hash-set-tests.c (test_map_of_type_with_ctor_and_dtor): New.
577         * hash-table.h (hash_table::operator=): Prevent copy assignment.
578          (hash_table::hash_table (const hash_table&)): Use copy ctor
579          instead of assignment to copy elements.
581 2019-07-01  Wilco Dijkstra  <wdijkstr@arm.com>
582             John David Anglin  <danglin@gcc.gnu.org>
584         PR target/90963
585         * config/pa/pa.md (builtin_longjmp): Restore hard_frame_pointer_rtx
586         using saved frame pointer.
588 2019-07-01  Eric Botcazou  <ebotcazou@adacore.com>
590         PR middle-end/64242
591         * config/sparc/sparc.md (nonlocal_goto): Restore frame pointer last.
592         Add frame clobber and schedule blockage.
594 2019-07-01  Sandra Loosemore  <sandra@codesourcery.com>
596         * doc/invoke.texi (Link Options): Further editorial changes to
597         -flinker-output docs.
599 2019-07-01  Segher Boessenkool  <segher@kernel.crashing.org>
601         * config/rs6000/rs6000.c (rs6000_force_indexed_or_indirect_mem):
602         Load both operands of a PLUS into registers separately.
604 2019-07-01  Andreas Krebbel  <krebbel@linux.ibm.com>
606         * config/s390/vector.md: Fix shift count operand printing.
608 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
610         * ira-lives.c (process_bb_node_lives): Use ira_setup_alts.
612 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
614         * ira.c (ira_get_dup_out_num): Don't punt for earlyclobbers.
615         Use recog_data to test for an output operand.
617 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
619         * ira.c (ira_setup_alts): If any valid alternatives have zero cost,
620         exclude any others that are disparaged or that are bound to need
621         a reload or spill.
622         (ira_get_dup_out_num): Expand comment.
624 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
626         * ira.c (ira_setup_alts): Use preprocess_constraints to get the
627         constraint string for each operand/alternative combo.  Only handle
628         '%' at the start of constraint strings, and look for it outside
629         the main loop.
631 2019-07-01  Richard Sandiford  <richard.sandiford@arm.com>
633         * ira-int.h (ira_setup_alts, ira_get_dup_out_num): Use
634         alternative_mask instead of HARD_REG_SET to represent a
635         bitmask of alternatives.
636         * ira.c (ira_setup_alts, ira_get_dup_out_num): Likewise.
637         * ira-conflicts.c (add_insn_allocno_copies): Likewise.
639 2019-07-01  Martin Liska  <mliska@suse.cz>
641         * edit-context.c (test_applying_fixits_unreadable_file): Do not
642         use () for a constructor call.
643         (test_applying_fixits_line_out_of_range): Likewise.
644         * ggc-page.c (alloc_page): Use (void *) for %p printf format
645         argument.
646         (free_page): Likewise.
648 2019-07-01  Vladislav Ivanishin <vlad@ispras.ru>
650         * gdbhooks.py (GdbPrettyPrinters.add_printer_for_types): Reorder
651         parameter names to match usage (no functional change).
652         (GdbPrettyPrinters.add_printer_for_regex): Ditto.
654 2019-07-01  Richard Biener  <rguenther@suse.de>
656         * tree-ssa-sccvn.c (class pass_fre): Add may_iterate
657         pass parameter.
658         (pass_fre::execute): Honor it.
659         * passes.def: Adjust pass_fre invocations to allow iterating,
660         add non-iterating pass_fre before late threading/dom.
662 2019-07-01  Richard Biener  <rguenther@suse.de>
664         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Adjust
665         TARGET_MEM_REF handling to also handle address-taken ones.
667 2019-07-01  Hongtao Liu  <hongtao.liu@intel.com>
669         * doc/sourcebuild.texi (Effective-Target Keywords, Other
670         hardware attributes): Document avx512vp2intersect.
672 2019-06-30  UroÅ¡ Bizjak  <ubizjak@gmail.com>
674         * config/i386/sse.md (ssse3_abs<mode>2): Rename from abs<mode>2.
675         (abs<mode>2): New expander.
676         * config/i386/i386-builtin.def (__builtin_ia32_pabsb):
677         Use CODE_FOR_ssse3_absv8qi2.
678         (__builtin_ia32_pabsw): Use CODE_FOR_ssse3_absv4hi2.
679         (__builtin_ia32_pabsd): Use CODE_FOR_ssse3_absv2si2.
681 2019-06-30  UroÅ¡ Bizjak  <ubizjak@gmail.com>
683         * config/i386/i386.md (mmx_isa): Rename x64, x64_noavx and x64_avx
684         to sse, sse_noavx and avx.  Update all uses.
686 2019-06-30  UroÅ¡ Bizjak  <ubizjak@gmail.com>
688         * config/i386/mmx.md (sse_movntq): Add "isa" attribute.
689         (*mmx_<plusminus_insn><mode>3): Ditto.
690         (*mmx_mulv4hi3"): Ditto.
691         (*mmx_smulv4hi3_highpart): Ditto.
692         (*mmx_umulv4hi3_highpart): Ditto.
693         (*mmx_pmaddwd): Ditto.
694         (*sse2_umulv1siv1di3): Ditto.
695         (*mmx_<code>v4hi3): Ditto.
696         (*mmx_<code>v8qi3): Ditto.
697         (mmx_ashr<mode>3): Ditto.
698         ("mmx_<shift_insn><mode>3): Ditto.
699         (*mmx_eq<mode>3): Ditto.
700         (mmx_gt<mode>3): Ditto.
701         (mmx_andnot<mode>3): Ditto.
702         (*mmx_<code><mode>3): Ditto.
703         (*mmx_pinsrw): Ditto.
704         (*mmx_pextrw): Ditto.
705         (mmx_pshufw_1): Ditto.
706         (*mmx_uavgv8qi3): Ditto.
707         (*mmx_uavgv4hi3): Ditto.
708         ("mmx_psadbw): Ditto.
709         * config/i386/sse.md (sse_cvtps2pi): Ditto.
710         (sse_cvttps2pi): Ditto.
711         (ssse3_pmaddubsw): Ditto.
712         (*ssse3_pmulhrswv4hi3): Ditto.
713         (ssse3_psign<mode>3): Ditto.
715 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
717         * expr.c (expand_expr_real_1) <BIT_FIELD_REF>: Apply the big-endian
718         adjustment for bit-fields to all aggregate types.
720 2019-06-28   Michael Meissner  <meissner@linux.ibm.com>
722         * config/rs6000/predicates.md (pcrel_address):  Use
723         SYMBOL_REF_LOCAL_P to determine if a label is local.
724         (pcrel_external_address): New predicate.
725         (non_prefixed_mem_operand): Delete, predicate not used.
726         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL_P): Delete, we now use
727         SYMBOL_REF_LOCAL_P to determine if we can use pc-relative
728         addressing.
729         (SYMBOL_REF_PCREL_P): Likewise.
731         PR target/91009
732         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Add non-VSX
733         alternative.
734         (floatsi<mode>2_lfiwax_mem): Add non-VSX alternative.
735         (floatunssi<mode>2_lfiwzx): Add non-VSX alternative.
736         (floatunssi<mode>2_lfiwzx_mem): Add non-VSX alternative.
738 2019-06-28  Iain Sandoe  <iain@sandoe.co.uk>
740         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Remove
741         override on extra_headers.
743 2019-06-28  Iain Sandoe  <iain@sandoe.co.uk>
745         * config/darwin-c.c (pop_field_alignment): Quote #pragma options.
746         * config/darwin-driver.c (darwin_default_min_version): Remove newline
747         from warning.
748         (darwin_driver_init): Likewise.
750 2019-06-28  Jan Beulich  <jbeulich@suse.com>
752         * config/i386/sse.md (vgf2p8affineinvqb_<mode><mask_name>,
753         vgf2p8affineqb_<mode><mask_name>, vgf2p8mulb_<mode><mask_name>):
754         Eliminate redundant alternative.
756 2019-06-28  Jan Beulich  <jbeulich@suse.com>
758         * config/i386/sse.md (vgf2p8affineinvqb_<mode><mask_name>,
759         vgf2p8affineqb_<mode><mask_name>): Drop % constraint modifier.
760         Use vector_operand.
762 2019-06-28  Claudiu Zissulescu  <claziss@synopsys.com>
764         * config/arc/arc.c (arc_rtx_costs): All short instructions are
765         having a lower cost regardless of the speed option.
767 2019-06-28  Jan Beulich  <jbeulich@suse.com>
769         * config/i386/sse.md (sse2_cvtpd2pi, sse2_cvttpd2pi): Use
770         vector_operand plus, on both alternatives, "Bm" constraint.
772 2019-06-28  Dennis Zhang  <dennis.zhang@arm.com>
774         * config/arm/arm.md: Remove redundant constraints from
775         define_expand but leave reload_inm and reload_outm patterns
776         untouched since they need special constraints to work.
777         * config/arm/arm-fixed.md: Remove redundant constraints from
778         define_expand.
779         * config/arm/iwmmxt.md: Likewise.
780         * config/arm/neon.md: Likewise.
781         * config/arm/sync.md: Likewise.
782         * config/arm/thumb1.md: Likewise.
783         * config/arm/vec-common.md: Likewise.
785 2019-06-27  Ilia Diachkov  <ilia.diachkov@optimitech.com>
787         * doc/install.texi: Document --disable-tm-clone-registry.
789 2019-06-27  Jakub Jelinek  <jakub@redhat.com>
791         PR c++/91024
792         * gimplify.c (collect_fallthrough_labels): Ignore GIMPLE_PREDICT
793         statements.
795         PR tree-optimization/91010
796         * tree-vect-stmts.c (scan_operand_equal_p): If offset1 == offset2,
797         return true.  Otherwise, don't call operand_equal_p if offset1 or
798         offset2 is NULL and just return false.
800 2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>
802         * config/rs6000/rs6000.c (darwin_rs6000_override_options): Honour
803         user-specified float mode choice for kernel mode code.
805 2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>
807         * config/rs6000/darwin.h (ENDFILE_SPEC): Correct whitespace in the
808         spec.
810 2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>
812         * config/rs6000/rs6000.c (darwin_rs6000_override_options): Do not
813         use longcall for 64b code.
815 2019-06-27  Aaron Sawdey <acsawdey@linux.ibm.com>
817         * builtins.c (get_memory_rtx): Fix comment.
818         * optabs.def (movmem_optab): Change to cpymem_optab.
819         * expr.c (emit_block_move_via_cpymem): Change movmem to cpymem.
820         (emit_block_move_hints): Change movmem to cpymem.
821         * defaults.h: Change movmem to cpymem.
822         * targhooks.c (get_move_ratio): Change movmem to cpymem.
823         (default_use_by_pieces_infrastructure_p): Ditto.
824         * config/aarch64/aarch64-protos.h: Change movmem to cpymem.
825         * config/aarch64/aarch64.c (aarch64_expand_movmem): Change movmem
826         to cpymem.
827         * config/aarch64/aarch64.h: Change movmem to cpymem.
828         * config/aarch64/aarch64.md (movmemdi): Change name to cpymemdi.
829         * config/alpha/alpha.h: Change movmem to cpymem in comment.
830         * config/alpha/alpha.md (movmemqi, movmemdi, *movmemdi_1): Change
831         movmem to cpymem.
832         * config/arc/arc-protos.h: Change movmem to cpymem.
833         * config/arc/arc.c (arc_expand_movmem): Change movmem to cpymem.
834         * config/arc/arc.h: Change movmem to cpymem in comment.
835         * config/arc/arc.md (movmemsi): Change movmem to cpymem.
836         * config/arm/arm-protos.h: Change movmem to cpymem in names.
837         * config/arm/arm.c (arm_movmemqi_unaligned, arm_gen_movmemqi, 
838         gen_movmem_ldrd_strd, thumb_expand_movmemqi) Change movmem to cpymem.
839         * config/arm/arm.md (movmemqi): Change movmem to cpymem.
840         * config/arm/thumb1.md (movmem12b, movmem8b): Change movmem to cpymem.
841         * config/avr/avr-protos.h: Change movmem to cpymem.
842         * config/avr/avr.c (avr_adjust_insn_length, avr_emit_movmemhi,
843         avr_out_movmem): Change movmem to cpymem.
844         * config/avr/avr.md (movmemhi, movmem_<mode>, movmemx_<mode>):
845         Change movmem to cpymem.
846         * config/bfin/bfin-protos.h: Change movmem to cpymem.
847         * config/bfin/bfin.c (single_move_for_movmem, bfin_expand_movmem):
848         Change movmem to cpymem.
849         * config/bfin/bfin.h: Change movmem to cpymem in comment.
850         * config/bfin/bfin.md (movmemsi): Change name to cpymemsi.
851         * config/c6x/c6x-protos.h: Change movmem to cpymem.
852         * config/c6x/c6x.c (c6x_expand_movmem): Change movmem to cpymem.
853         * config/c6x/c6x.md (movmemsi): Change name to cpymemsi.
854         * config/frv/frv.md (movmemsi): Change name to cpymemsi.
855         * config/ft32/ft32.md (movmemsi): Change name to cpymemsi.
856         * config/h8300/h8300.md (movmemsi): Change name to cpymemsi.
857         * config/i386/i386-expand.c (expand_set_or_movmem_via_loop,
858         expand_set_or_movmem_via_rep, expand_movmem_epilogue,
859         expand_setmem_epilogue_via_loop, expand_set_or_cpymem_prologue,
860         expand_small_cpymem_or_setmem,
861         expand_set_or_cpymem_prologue_epilogue_by_misaligned_moves,
862         expand_set_or_cpymem_constant_prologue, 
863         ix86_expand_set_or_cpymem): Change movmem to cpymem.
864         * config/i386/i386-protos.h: Change movmem to cpymem.
865         * config/i386/i386.h: Change movmem to cpymem in comment.
866         * config/i386/i386.md (movmem<mode>): Change name to cpymem.
867         (setmem<mode>): Change expansion function name.
868         * config/lm32/lm32.md (movmemsi): Change name to cpymemsi.
869         * config/m32c/blkmov.md (movmemhi, movmemhi_bhi_op, movmemhi_bpsi_op,
870         movmemhi_whi_op, movmemhi_wpsi_op): Change movmem to cpymem.
871         * config/m32c/m32c-protos.h: Change movmem to cpymem.
872         * config/m32c/m32c.c (m32c_expand_movmemhi): Change movmem to cpymem.
873         * config/m32r/m32r.c (m32r_expand_block_move): Change movmem to cpymem.
874         * config/m32r/m32r.md (movmemsi, movmemsi_internal): Change movmem
875         to cpymem.
876         * config/mcore/mcore.md (movmemsi): Change name to cpymemsi.
877         * config/microblaze/microblaze.c: Change movmem to cpymem in comment.
878         * config/microblaze/microblaze.md (movmemsi): Change name to cpymemsi.
879         * config/mips/mips.c (mips_use_by_pieces_infrastructure_p):
880         Change movmem to cpymem.
881         * config/mips/mips.h: Change movmem to cpymem.
882         * config/mips/mips.md (movmemsi): Change name to cpymemsi.
883         * config/nds32/nds32-memory-manipulation.c
884         (nds32_expand_movmemsi_loop_unknown_size,
885         nds32_expand_movmemsi_loop_known_size, nds32_expand_movmemsi_loop,
886         nds32_expand_movmemsi_unroll,
887         nds32_expand_movmemsi): Change movmem to cpymem.
888         * config/nds32/nds32-multiple.md (movmemsi): Change name to cpymemsi.
889         * config/nds32/nds32-protos.h: Change movmem to cpymem.
890         * config/pa/pa.c (compute_movmem_length): Change movmem to cpymem.
891         (pa_adjust_insn_length): Change call to compute_movmem_length.
892         * config/pa/pa.md (movmemsi, movmemsi_prereload, movmemsi_postreload,
893         movmemdi, movmemdi_prereload, 
894         movmemdi_postreload): Change movmem to cpymem.
895         * config/pdp11/pdp11.md (movmemhi, movmemhi1, 
896         movmemhi_nocc, UNSPEC_MOVMEM): Change movmem to cpymem.
897         * config/riscv/riscv.c: Change movmem to cpymem in comment.
898         * config/riscv/riscv.h: Change movmem to cpymem.
899         * config/riscv/riscv.md: (movmemsi) Change name to cpymemsi.
900         * config/rs6000/rs6000.md: (movmemsi) Change name to cpymemsi.
901         * config/rx/rx.md: (UNSPEC_MOVMEM, movmemsi, rx_movmem): Change
902         movmem to cpymem.
903         * config/s390/s390-protos.h: Change movmem to cpymem.
904         * config/s390/s390.c (s390_expand_movmem, s390_expand_setmem,
905         s390_expand_insv): Change movmem to cpymem.
906         * config/s390/s390.md (movmem<mode>, movmem_short, *movmem_short,
907         movmem_long, *movmem_long, *movmem_long_31z): Change movmem to cpymem.
908         * config/sh/sh.md (movmemsi): Change name to cpymemsi.
909         * config/sparc/sparc.h: Change movmem to cpymem in comment.
910         * config/vax/vax-protos.h (vax_output_movmemsi): Remove prototype
911         for nonexistent function.
912         * config/vax/vax.h: Change movmem to cpymem in comment.
913         * config/vax/vax.md (movmemhi, movmemhi1): Change movmem to cpymem.
914         * config/visium/visium.h: Change movmem to cpymem in comment.
915         * config/visium/visium.md (movmemsi): Change name to cpymemsi.
916         * config/xtensa/xtensa.md (movmemsi): Change name to cpymemsi.
917         * doc/md.texi: Change movmem to cpymem and update description to match.
918         * doc/rtl.texi: Change movmem to cpymem.
919         * target.def (use_by_pieces_infrastructure_p): Change movmem to cpymem.
920         * doc/tm.texi: Regenerate.
922 2019-06-27  Bill Schmidt  <wschmidt@linux.ibm.com>
924         * config/rs6000/rs6000.c (rs6000_option_override_internal): Enable
925         -fvariable-expansion-in-unroller by default.
926         * doc/invoke.texi (-fvariable-expansion-in-unroller): Document new
927         default for Power.
929 2019-06-27  David Edelsohn  <dje.gcc@gmail.com>
931         Revert
932         2019-06-26  David Edelsohn  <dje.gcc@gmail.com>
933         * config.gcc (powerpc-ibm-aix*): Define target_gtfiles.
935         * config.gcc(rs6000-*-*): Define target_gtfiles.
937 2019-06-27  Jan Hubicka  <jh@suse.cz>
939         * ipa-devirt.c (odr_type_d): Add tbaa_enabled flag.
940         (add_type_duplicate): When odr hash is not allocated, to nothing.
941         (odr_based_tbaa_p): New function.
942         (set_type_canonical_for_odr_type): New function.
943         * ipa-utils.h (enable_odr_based_tbaa, odr_based_tbaa_p,
944         set_type_canonical_for_odr_type): New.
945         * tree.c (gimple_canonical_types_compatible_p): ODR types with
946         ODR based TBAA are not equivalent to non-ODR types.
948 2019-06-27  Martin Liska  <mliska@suse.cz>
950         PR tree-optimization/90974
951         PR rtl-optimization/90975
952         PR rtl-optimization/90976
953         PR target/91016
954         PR tree-optimization/91017
955         * config/i386/i386-expand.c (ix86_expand_rounddf_32): Remove
956         unused tmp.
957         * lra.c (lra_set_insn_recog_data): Remove a leftover from
958         initial commit of IRA.
959         * optabs.c (expand_twoval_binop): Use xop0 and xop1 instead
960         of op0 and op1.
961         * tree-vect-loop.c (vect_create_epilog_for_reduction):
962         Remove unused mode1.
963         * tree-vect-stmts.c (vectorizable_call): Remove dead assignment
964         to new_stmt_info.
966 2019-06-27  Jakub Jelinek  <jakub@redhat.com>
968         PR target/90991
969         * config/i386/sse.md (avx_vec_concat<mode>): Use nonimmediate_operand
970         instead of register_operand for operands[1], add m to its constraints
971         if operands[2] uses "C" constraint.  Ensure in condition that if
972         operands[2] is not 0, then operands[1] is not a MEM.  For last two
973         alternatives, use unaligned loads instead of aligned if operands[1] is
974         misaligned_operand.
976 2019-06-27  Martin Liska  <mliska@suse.cz>
978         * asan.c (asan_emit_allocas_unpoison): Remove obviously
979         dead assignments.
980         * bt-load.c (move_btr_def): Likewise.
981         * builtins.c (expand_builtin_apply_args_1): Likewise.
982         (expand_builtin_apply): Likewise.
983         * cfgexpand.c (expand_asm_stmt): Likewise.
984         (construct_init_block): Likewise.
985         * cfghooks.c (verify_flow_info): Likewise.
986         * cfgloopmanip.c (remove_path): Likewise.
987         * cfgrtl.c (rtl_verify_bb_layout): Likewise.
988         * cgraph.c (cgraph_node::set_pure_flag): Likewise.
989         * combine.c (simplify_if_then_else): Likewise.
990         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
991         (choose_basereg): Likewise.
992         (ix86_expand_prologue): Likewise.
993         (ix86_preferred_output_reload_class): Likewise.
994         * cselib.c (cselib_record_sets): Likewise.
995         * df-scan.c (df_scan_alloc): Likewise.
996         * dojump.c (do_jump_by_parts_greater_rtx): Likewise.
997         * early-remat.c (early_remat::record_equiv_candidates): Likewise.
998         * emit-rtl.c (try_split): Likewise.
999         * graphite-scop-detection.c (assign_parameter_index_in_region): Likewise.
1000         * ipa-cp.c (cgraph_edge_brings_all_agg_vals_for_node): Likewise.
1001         * ira-color.c (setup_profitable_hard_regs): Likewise.
1002         * ira.c (rtx_moveable_p): Likewise.
1003         * lra-eliminations.c (eliminate_regs_in_insn): Likewise.
1004         * read-rtl.c (read_subst_mapping): Likewise.
1005         * regrename.c (scan_rtx): Likewise.
1006         * reorg.c (fill_slots_from_thread): Likewise.
1007         * tree-inline.c (tree_function_versioning): Likewise.
1008         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
1009         * tree-ssa-sink.c (statement_sink_location): Likewise.
1010         * tree-ssa-threadedge.c (thread_across_edge): Likewise.
1011         * tree-vect-loop.c (vect_get_loop_niters): Likewise.
1012         (vect_create_epilog_for_reduction): Likewise.
1013         * tree.c (build_nonstandard_integer_type): Likewise.
1015 2019-06-27  Richard Biener  <rguenther@suse.de>
1017         * tree-ssa-sccvn.c (vn_reference_lookup_3): Encode valueized RHS.
1019 2019-06-27  Jun Ma <JunMa@linux.alibaba.com>
1021         PR tree-optimization/89772
1022         * gimple-fold.c (gimple_fold_builtin_memchr): consider trailing nuls in
1023         out-of-bound accesses checking.
1025 2019-06-27  Martin Liska  <mliska@suse.cz>
1027         PR tree-optimization/91014
1028         * tree-ssa-dse.c (initialize_ao_ref_for_dse): Bail out
1029         when LHS is NULL_TREE.
1031 2019-06-27  Martin Liska  <mliska@suse.cz>
1033         * symbol-summary.h (traverse): Pass
1034         argument a to the call of callback.
1035         (gt_ggc_mx): Mark arguments as unused.
1036         (gt_pch_nx): Likewise.
1038 2019-06-27  Kewen Lin  <linkw@gcc.gnu.org>
1040         PR target/62147
1041         * gcc/loop-iv.c (find_simple_exit): Call finite_loop_p to update
1042         finiteness.
1044 2019-06-26  Jeff Law  <law@redhat.com>
1046         PR tree-optimization/90883
1047         * tree-ssa-dse.c (delete_dead_or_redundant_call): Fix signature.
1048         (delete_dead_or_redundant_assignment): Likewise.
1050         PR tree-optimization/90883
1051         * tree-ssa-alias.c (stmt_kills_ref_p): Handle BUILT_IN_CALLOC.
1052         * tree-ssa-dse.c: Update various comments to distinguish between
1053         dead and redundant stores.
1054         (initialize_ao_ref_for_dse): Handle BUILT_IN_CALLOC.
1055         (dse_optimize_redundant_stores): New function.
1056         (delete_dead_or_redundant_call): Renamed from delete_dead_call.
1057         Distinguish between dead and redundant calls in dump output.  All
1058         callers updated.
1059         (delete_dead_or_redundant_assignment): Similarly for assignments.
1060         (dse_optimize_stmt): Handle _CHK variants.  For statements which
1061         store 0 into multiple memory locations, try to prove a subsequent
1062         store is redundant.
1064 2019-06-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1066         PR target/89021
1067         * config/i386/i386.c (ix86_autovectorize_vector_sizes):
1068         Autovectorize 8-byte vectors for TARGET_MMX_WITH_SSE.
1070 2019-06-26  Iain Sandoe  <iain@sandoe.co.uk>
1072         * config/rs6000/rs6000-internal.h (branch_island): New typedef.
1073         (branch_islands): New extern.
1074         * config/rs6000/rs6000-logue.c (macho_branch_islands): Moved from
1075         * config/rs6000/rs6000.c: .. here.
1077 2019-06-26  Iain Sandoe  <iain@sandoe.co.uk>
1079         * config.gcc (powerpc*-*-linux*): Move target_gtfiles from here..
1080         (powerpc*-*-*) ... to here.
1082 2019-06-26  Jeff Law  <law@redhat.com>
1084         * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle _chk variants of
1085         memcpy, memmove and memset builtins.
1086         (maybe_trim_memstar_call): Likewise.
1088 2019-06-26  David Edelsohn  <dje.gcc@gmail.com>
1090         * config/rs6000/rs6000-logue.c: Add #ifndef TARGET_PROFILE_KERNEL.
1092 2019-06-26  David Edelsohn  <dje.gcc@gmail.com>
1094         * config.gcc (powerpc-ibm-aix*): Define target_gtfiles.
1096 2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
1098         * config/rs6000/rs6000-internal.h (rs6000_keep_leaf_when_profiled): New
1099         declaration.
1100         * config/rs6000/rs6000-logue.c (rs6000_keep_leaf_when_profiled): Remove
1101         "static".
1102         * config/rs6000/rs6000-logue.c (rs6000_keep_leaf_when_profiled): Delete
1103         declaration.
1105 2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
1107         * config/rs6000/rs6000.c: Fix previous commit, it missed some changes.
1109 2019-06-26  Richard Biener  <rguenther@suse.de>
1111         PR ipa/90982
1112         * tree-inline.c (remap_ssa_name): Copy SSA range info.
1114 2019-06-26  Richard Biener  <rguenther@suse.de>
1116         * lto-streamer.h (lto_bitmap_alloc): Remove.
1117         (lto_bitmap_free): Likewise.
1118         * lto-streamer.c (lto_bitmap_alloc): Remove.
1119         (lto_bitmap_free): Likewise.
1120         (lto_obstack): Likewise.
1121         (lto_obstack_initialized): Likewise.
1122         * lto-streamer-out.c (lto_output): Use own obstack for local
1123         bitmap, free it consistently.
1125 2019-06-26  Jakub Jelinek  <jakub@redhat.com>
1127         PR target/90991
1128         * config/i386/sse.md
1129         (*<extract_type>_vinsert<shuffletype><extract_suf>_0): Use vmovupd,
1130         vmovups, vmovdqu, vmovdqu32 or vmovdqu64 instead of the aligned
1131         insns if operands[2] is misaligned_operand.
1133 2019-06-26  Li Jia He  <helijia@linux.ibm.com>
1135         * config/rs6000/rs6000.h (TARGET_MADDLD): Remove the restriction of
1136         TARGET_POWERPC64.
1137         * config/rs6000/rs6000.md (maddld): Change maddld match_operand from DI
1138         to GPR.
1140 2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
1142         * doc/invoke.texi (Warning Options): Fix some @opindex syntax.
1144 2019-06-26  Martin Liska  <mliska@suse.cz>
1146         PR tree-optimization/90973
1147         * tree-vect-loop.c (vect_get_known_peeling_cost): Use
1148         epilogue_cost_vec instead of prologue_cost_vec for
1149         a epilogue cost.
1151 2019-06-26  Martin Liska  <mliska@suse.cz>
1153         * bb-reorder.c (connect_better_edge_p): Add missing else
1154         statement in the middle of if-else statements.
1156 /home/marxin/Programming/gcc/gcc/bb-reorder.c:1031:2: warning: Value stored to 'is_better_edge' is never read
1157         is_better_edge = true;
1158         ^                ~~~~
1159 /home/marxin/Programming/gcc/gcc/bb-reorder.c:1034:2: warning: Value stored to 'is_better_edge' is never read
1160         is_better_edge = false;
1161         ^                ~~~~~
1163 2019-06-25  Hongtao Liu  <hongtao.liu@intel.com>
1164             H.J. Lu  <hongjiu.lu@intel.com>
1165             Olga Makhotina  <olga.makhotina@intel.com>
1167         * common/config/i386/i386-common.c
1168         (OPTION_MASK_ISA_AVX512VP2INTERSECT_SET,
1169         OPTION_MASK_ISA_AVX512VP2INTERSECT_UNSET): New macros.
1170         (OPTION_MASK_ISA2_AVX512F_UNSET): Add
1171         OPTION_MASK_ISA_AVX512VP2INTERSECT_UNSET.
1172         (ix86_handle_option): Handle -mavx512vp2intersect.
1173         * config/i386/avx512vp2intersectintrin.h: New.
1174         * config/i386/avx512vp2intersectvlintrin.h: New.
1175         * config/i386/cpuid.h (bit_AVX512VP2INTERSECT): New.
1176         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
1177         AVX512VP2INTERSECT.
1178         * config/i386/i386-builtin-types.def: Add new types.
1179         * config/i386/i386-builtin.def: Add new builtins.
1180         * config/i386/i386-builtins.c: (enum processor_features): Add
1181         F_AVX512VP2INTERSECT.
1182         (static const _isa_names_table isa_names_table): Ditto.
1183         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1184         __AVX512VP2INTERSECT__.
1185         * config/i386/i386-expand.c (ix86_expand_builtin): Expand
1186         IX86_BUILTIN_2INTERSECTD512, IX86_BUILTIN_2INTERSECTQ512,
1187         IX86_BUILTIN_2INTERSECTD256, IX86_BUILTIN_2INTERSECTQ256,
1188         IX86_BUILTIN_2INTERSECTD128, IX86_BUILTIN_2INTERSECTQ128.
1189         * config/i386/i386-modes.def (P2QI, P2HI): New modes.
1190         * config/i386/i386-options.c (ix86_target_string): Add
1191         -mavx512vp2intersect.
1192         (ix86_option_override_internal): Handle AVX512VP2INTERSECT.
1193         * config/i386/i386.c (ix86_hard_regno_nregs): Allocate two regs for
1194         P2HImode and P2QImode.
1195         (ix86_hard_regno_mode_ok): Register pair only starts at even hardreg
1196         number for P2QImode and P2HImode.
1197         (ix86_regmode_natural_size): New function.
1198         * config/i386/i386.h (TARGET_AVX512VP2INTERSECT,
1199         TARGET_AVX512VP2INTERSECT_P, PTA_AVX512VP2INTERSECT
1200         REGMODE_NATURAL_SIZE, MASK_PAIR_REGNO_P): New.
1201         * config/i386/i386-protos.h (ix86_regmode_natural_size): Declare
1202         * config/i386/i386.opt: Add -mavx512vp2intersect.
1203         * config/i386/immintrin.h: Include avx512vp2intersectintrin.h and
1204         avx512vp2intersectvlintrin.h.
1205         * config/i386/sse.md (define_c_enum "unspec"): Add UNSPEC_VP2INTERSECT.
1206         (define_mode_iterator VI48_AVX512VP2VL): New.
1207         (avx512vp2intersect_2intersect<mode>,
1208         avx512vp2intersect_2intersectv16si): New define_insn patterns.
1209         * config.gcc: Add avx512vp2intersectvlintrin.h and
1210         avx512vp2intersectintrin.h to extra_headers.
1211         * doc/invoke.texi: Document -mavx512vp2intersect.
1213 2019-06-25  Iain Sandoe  <iain@sandoe.co.uk>
1215         * config/rs6000/darwin.h (ENDFILE_SPEC): New.
1217 2019-06-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
1219         * config/rs6000/rs6000.c (stack_info, rs6000_pic_labelno,
1220         savres_routine_syms, savres_routine_name, morestack_ref,
1221         rs6000_init_machine_status, save_reg_p, first_reg_to_save,
1222         first_fp_reg_to_save, first_altivec_reg_to_save, compute_vrsave_mask,
1223         compute_save_world_info, is_altivec_return_reg, fixed_reg_p,
1224         rs6000_savres_strategy, rs6000_stack_info, debug_stack_info,
1225         rs6000_return_addr, rs6000_decl_ok_for_sibcall,
1226         rs6000_function_ok_for_sibcall, rs6000_ra_ever_killed,
1227         rs6000_emit_load_toc_table, rs6000_emit_eh_reg_restore, uses_TOC,
1228         create_TOC_reference, rs6000_aix_asm_output_dwarf_table_ref,
1229         rs6000_emit_stack_tie, rs6000_emit_allocate_stack_1,
1230         get_stack_clash_protection_probe_interval,
1231         get_stack_clash_protection_guard_size,
1232         rs6000_emit_probe_stack_range_stack_clash, rs6000_emit_allocate_stack,
1233         rs6000_emit_probe_stack_range, output_probe_stack_range_1,
1234         interesting_frame_related_regno, output_probe_stack_range_stack_clash,
1235         output_probe_stack_range, rs6000_frame_related, generate_set_vrsave,
1236         gen_frame_set, gen_frame_load, gen_frame_store, emit_frame_save,
1237         gen_frame_mem_offset, rs6000_savres_routine_name,
1238         rs6000_savres_routine_sym, rs6000_emit_stack_reset,
1239         ptr_regno_for_savres, rs6000_emit_savres_rtx,
1240         rs6000_emit_prologue_move_from_cr, split_stack_arg_pointer_used_p,
1241         rs6000_global_entry_point_prologue_needed_p,
1242         rs6000_get_separate_components, rs6000_components_for_bb,
1243         rs6000_disqualify_components, rs6000_emit_prologue_components,
1244         rs6000_emit_epilogue_components, rs6000_set_handled_components,
1245         emit_vrsave_prologue, emit_split_stack_prologue, rs6000_emit_prologue,
1246         rs6000_output_savres_externs, rs6000_output_function_prologue,
1247         rs6000_keep_leaf_when_profiled, load_cr_save, restore_saved_cr,
1248         load_lr_save, restore_saved_lr, add_crlr_cfa_restore,
1249         offset_below_red_zone_p, emit_cfa_restores, rs6000_emit_epilogue,
1250         rs6000_output_function_epilogue, gen_add3_const,
1251         rs6000_expand_split_stack_prologue, rs6000_live_on_entry,
1252         rs6000_split_stack_space_check, rs6000_save_toc_in_prologue_p): Moved
1253         to rs6000-logue.c.
1254         (machine_function): Moved to rs6000.h.
1255         (rs6000_stack_t, ALTIVEC_REG_BIT, quad_address_offset_p) Moved to
1256         rs6000-internal.h.
1257         * config/rs6000/rs6000-logue.c(stack_info, rs6000_pic_labelno,
1258         savres_routine_syms, savres_routine_name, morestack_ref,
1259         rs6000_init_machine_status, save_reg_p, first_reg_to_save,
1260         first_fp_reg_to_save, first_altivec_reg_to_save, compute_vrsave_mask,
1261         compute_save_world_info, is_altivec_return_reg, fixed_reg_p,
1262         rs6000_savres_strategy, rs6000_stack_info, debug_stack_info,
1263         rs6000_return_addr, rs6000_decl_ok_for_sibcall,
1264         rs6000_function_ok_for_sibcall, rs6000_ra_ever_killed,
1265         rs6000_emit_load_toc_table, rs6000_emit_eh_reg_restore, uses_TOC,
1266         create_TOC_reference, rs6000_aix_asm_output_dwarf_table_ref,
1267         rs6000_emit_stack_tie, rs6000_emit_allocate_stack_1,
1268         get_stack_clash_protection_probe_interval,
1269         get_stack_clash_protection_guard_size,
1270         rs6000_emit_probe_stack_range_stack_clash, rs6000_emit_allocate_stack,
1271         rs6000_emit_probe_stack_range, output_probe_stack_range_1,
1272         interesting_frame_related_regno, output_probe_stack_range_stack_clash,
1273         output_probe_stack_range, rs6000_frame_related, generate_set_vrsave,
1274         gen_frame_set, gen_frame_load, gen_frame_store, emit_frame_save,
1275         gen_frame_mem_offset, rs6000_savres_routine_name,
1276         rs6000_savres_routine_sym, rs6000_emit_stack_reset,
1277         ptr_regno_for_savres, rs6000_emit_savres_rtx,
1278         rs6000_emit_prologue_move_from_cr, split_stack_arg_pointer_used_p,
1279         rs6000_global_entry_point_prologue_needed_p,
1280         rs6000_get_separate_components, rs6000_components_for_bb,
1281         rs6000_disqualify_components, rs6000_emit_prologue_components,
1282         rs6000_emit_epilogue_components, rs6000_set_handled_components,
1283         emit_vrsave_prologue, emit_split_stack_prologue, rs6000_emit_prologue,
1284         rs6000_output_savres_externs, rs6000_output_function_prologue,
1285         rs6000_keep_leaf_when_profiled, load_cr_save, restore_saved_cr,
1286         load_lr_save, restore_saved_lr, add_crlr_cfa_restore,
1287         offset_below_red_zone_p, emit_cfa_restores, rs6000_emit_epilogue,
1288         rs6000_output_function_epilogue, gen_add3_const,
1289         rs6000_expand_split_stack_prologue, rs6000_live_on_entry,
1290         rs6000_split_stack_space_check, rs6000_save_toc_in_prologue_p): Moved
1291         to here from rs6000.c.
1292         * config/rs6000/rs6000.h (machine_function): Moved to here from rs6000.c.
1293         * config/rs6000/rs6000-internal.h: (rs6000_stack_t, ALTIVEC_REG_BIT,
1294         quad_address_offset_p) Moved to here from rs6000.c.
1295         * config/rs6000/t-rs6000: Add new source file rs6000-logue.c.
1296         * config/config.gcc: Add new source file rs6000-logue.c to garbage
1297         collector.
1299 2019-06-25  Martin Liska  <mliska@suse.cz>
1301         * hash-table.c (hashtab_chk_error): Move here from ...
1302         * hash-table.h (hashtab_chk_error): ... here.
1304 2019-06-25  Martin Liska  <mliska@suse.cz>
1306         PR tree-optimization/90978
1307         * df-scan.c (df_update_entry_block_defs): Remove dead else
1308         branch.
1309         (df_update_exit_block_uses): Likewise.
1311 2019-06-25  Kwok Cheung Yeung  <kcy@codesourcery.com>
1312             Andrew Stubbs  <ams@codesourcery.com>
1314         * config.gcc (thread_file): Set to gcn for AMD GCN.
1315         * config/gcn/gcn.c (gcn_emutls_var_init): New function.
1316         (TARGET_EMUTLS_VAR_INIT): New hook.
1318 2019-06-25  Martin Jambor  <mjambor@suse.cz>
1320         PR ipa/90939
1321         * ipa-cp.c (ipcp_bits_lattice::meet_with): Remove assert.
1323 2019-06-25  Richard Biener  <rguenther@suse.de>
1325         PR tree-optimization/90930
1326         * tree-ssa-reassoc.c (reassociate_bb): Only rewrite expression
1327         into parallel form in the last pass instance.
1329 2019-06-25  Claudiu Zissulescu  <claziss@synopsys.com>
1331         * config/arc/arc.c (arc_symbol_binds_local_p): New function.
1332         (arc_legitimize_pic_address): Simplify and cleanup the function.
1333         (SYMBOLIC_CONST): Remove.
1334         (prepare_pic_move): Likewise.
1335         (prepare_move_operands): Handle complex mov cases here.
1336         (arc_legitimize_address_0): Remove call to
1337         arc_legitimize_pic_address.
1338         (arc_legitimize_address): Remove call to
1339         arc_legitimize_tls_address.
1340         * config/arc/arc.md (movqi_insn): Allow Cm3 match.
1341         (movhi_insn): Likewise.
1343 2019-06-25  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1345         * gcc/c-family/c-common.c (c_common_nodes_and_builtins): Define
1346         alternate "__intN__" name for "__intN" types.
1347         * gcc/c/c-parser.c (c_parse_init): Create keyword for "__intN__" type.
1348         * gcc/cp/lex.c (init_reswords): Likewise.
1349         * gcc/config/msp430/msp430.h: Use __int20__ for SIZE_TYPE and
1350         PTRDIFF_TYPE.
1351         * gcc/cp/cp-tree.h (cp_decl_specifier_seq): New bitfield "int_n_alt".
1352         * gcc/c/c-decl.c (declspecs_add_type): Don't pedwarn about "__intN" ISO
1353         C incompatibility if alternate "__intN__" form is used.
1354         * gcc/cp/decl.c (grokdeclarator): Likewise.
1355         * gcc/cp/parser.c (cp_parser_simple_type_specifier): Set
1356         decl_specs->int_n_alt if "__intN__" form is used.
1357         * gcc/gimple-ssa-sprintf.c (build_intmax_type_nodes): Accept "__intN__"
1358         format of "__intN" types for UINTMAX_TYPE.
1359         * gcc/brig/brig-lang.c (brig_build_c_type_nodes): Accept "__intN__"
1360         format of "__intN" types for SIZE_TYPE.
1361         * gcc/lto/lto-lang.c (lto_build_c_type_nodes): Likewise.
1362         * gcc/stor-layout.c (initialize_sizetypes): Accept "__intN__"
1363         format of "__intN" types for SIZETYPE.
1364         * gcc/tree.c (build_common_tree_nodes): Accept "__intN__"
1365         format of "__intN" types for SIZE_TYPE and PTRDIFF_TYPE.
1366         * gcc/doc/invoke.texi: Document that __intN__ disables pedantic
1367         warnings.
1369 2019-06-25  Jan Hubicka  <jh@suse.cz>
1371         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Check that
1372         base2_alias_set is non-zero before doing TBAA based disambiguation.
1374 2019-06-25  Martin Liska  <mliska@suse.cz>
1376         PR tree-optimization/90973
1377         * tree-vect-loop.c (vect_get_known_peeling_cost): Sum retval
1378         of prologue and epilogue.
1380 2019-06-24  Jan Hubicka  <jh@suse.cz>
1382         * ipa-utils.h (type_with_linkage_p): Verify that type is
1383         CXX_ODR_P.
1384         (odr_type_p): Remove extra return.
1385         * lto-streamer-out.c (hash_tree): Hash TYPE_CXX_ODR_P;
1386         hash STRING_FLAG only for arrays and integers.
1387         * tree-stremaer-in.c (unpack_ts_type_common_value_fields):
1388         Update analogously.
1389         * tree-streamer-out.c (pack_ts_type_common_value_fields):
1390         Likewise.
1391         * print-tree.c (print_node): Print cxx-odr-p
1392         and string-flag.
1393         * tree.c (need_assembler_name_p): Also check that type
1394         is CXX_ODR_TYPE_P
1395         (verify_type_variant): Update verification of SRING_FLAG;
1396         also check CXX_ODR_P.
1397         * tree.h (ARRAY_OR_INTEGER_TYPE_CHECK): New macro.
1398         (TYPE_STRING_FLAG): Use it.
1399         (TYPE_CXX_ODR_P): New macro.
1400         * dwarf2out.c (gen_array_type_die): First check that type
1401         is an array and then test string flag.
1403 2019-06-24  Richard Biener  <rguenther@suse.de>
1405         PR tree-optimization/90972
1406         * tree-vect-stmts.c (vect_init_vector): Handle CONSTANT_CLASS_P
1407         in common code, dealing with STRING_CST properly.
1409 2019-06-24  Richard Biener  <rguenther@suse.de>
1411         PR tree-optimization/90930
1412         PR tree-optimization/90316
1413         * tree-ssa-alias.c (walk_non_aliased_vuses): Add missing
1414         decrement of limit.
1416 2019-06-24  Martin Sebor  <msebor@redhat.com>
1418         * tree-pretty-print.h: Remove unnecessary punctuation characters
1419         from a diagnostic.
1420         * tree-ssa.c (release_defs_bitset): Correct preprocessor conditional.
1422 2019-06-24  Jonathan Wakely  <jwakely@redhat.com>
1424         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG, LDBL_DECIMAL_DIG)
1425         (FLT_HAS_SUBNORM, DBL_HAS_SUBNORM, LDBL_HAS_SUBNORM, FLT_TRUE_MIN)
1426         (DBL_TRUE_MIN, LDBL_TRUE_MIN): Also define for C++17.
1428 2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>
1430         * config/rs6000/darwin.h: Handle GCC target pragma.
1432 2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>
1434         * config/rs6000/darwin.h: (__PPC__, __PPC64__): New.
1436 2019-06-22  Jeff Law  <law@redhat.com>
1438         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1440 2019-06-22  Jan Hubicka  <jh@suse.cz>
1442         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Do not
1443         give up on bitfields; continue searching for different refs
1444         appearing later.
1446 2019-06-21  Jakub Jelinek  <jakub@redhat.com>
1448         * tree-vect-data-refs.c (vect_find_stmt_data_reference): Handle
1449         even zero DR_OFFSET, but DR_BASE_ADDRESS of POINTER_PLUS_EXPR
1450         containing the offset as possible simd lane access.  Look through
1451         widening conversion.  Move the
1452         TREE_CODE (DR_INIT (newdr)) == INTEGER_CST test earlier and reindent.
1454 2019-06-21  Richard Biener  <rguenther@suse.de>
1456         PR tree-optimization/90930
1457         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Set visited
1458         flag on new stmts to avoid re-processing them.
1460 2019-06-21  Matthew Beliveau  <mbelivea@redhat.com>
1462         PR c++/90875 - added -Wswitch-outside-range option
1463         * doc/invoke.texi (Wswitch-outside-range): Document.
1465 2019-06-21  Jeff Law  <law@redhat.com>
1467         PR tree-optimization/90949
1468         * tree-ssa-copy.c (fini_copy_prop): Use reset_flow_sensitive_info.
1469         * tree-ssanames.c (reset_flow_sensitive_info): Reset non-null state.
1471 2019-06-21  Richard Biener  <rguenther@suse.de>
1473         PR debug/90914
1474         * dwarf2out.c (prune_unused_types_walk): Always consider
1475         function-local extern declarations as used.
1477 2019-06-21  Richard Biener  <rguenther@suse.de>
1479         PR tree-optimization/90913
1480         * tree-vect-loop-manip.c (vect_loop_versioning): Do not re-use
1481         the scalar variant of if-conversion versioning.
1483 2019-06-21  Jakub Jelinek  <jakub@redhat.com>
1485         * omp-low.c (lower_rec_simd_input_clauses): Add rvar2 argument,
1486         create another "omp scan inscan exclusive" array if
1487         !ctx->scan_inclusive.
1488         (lower_rec_input_clauses): Handle exclusive scan inscan reductions.
1489         (lower_omp_scan): Likewise.
1490         * tree-vectorizer.h (struct _stmt_vec_info): Use 3-bit instead of
1491         2-bit bitfield for simd_lane_access_p member.
1492         * tree-vect-data-refs.c (vect_analyze_data_refs): Also handle
1493         aux == (void *)-4 as simd lane access.
1494         * tree-vect-stmts.c (check_scan_store): Handle exclusive scan.  Update
1495         comment with permutations to show the canonical permutation order.
1496         (vectorizable_scan_store): Handle exclusive scan.
1497         (vectorizable_store): Call vectorizable_scan_store even for
1498         STMT_VINFO_SIMD_LANE_ACCESS_P > 3.
1500         * tree-vect-data-refs.c (vect_find_stmt_data_reference): Handle
1501         "omp simd array" arrays with one byte elements.
1503 2019-06-20  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1505         * config/alpha/alpha.md (@unaligned_store<mode>):
1506         Rename from unaligned_store<mode>.
1507         (@reload_in<mode>_aligned): Rename from reload_in<mode>_aligned.
1508         * config/alpha/sync.md (@load_locked_<mode>): Rename
1509         from load_locked_<mode>.
1510         (@store_conditional_<mode>): Rename from store_conditional_<mode>.
1511         (@atomic_compare_and_swap<mode>_1): Rename
1512         from atomic_compare_and_swap<mode>_1.
1513         (@atomic_exchange<mode>_1): Rename from atomic_exchange<mode>_1.
1514         * config/alpha/alpha.c (alpha_expand_mov_nobwx):
1515         Use gen_reload_in_aligned and gen_unaligned_store.
1516         (emit_load_locked): Remove.
1517         (emit_store_conditional): Ditto.
1518         (alpha_split_atomic_op): Use gen_load_locked and gen_store_conditional.
1519         (alpha_split_compare_and_swap): Ditto.
1520         (alpha_expand_compare_and_swap_12): Use gen_atomic_compare_and_swap_1.
1521         (alpha_split_compare_and_swap_12): Use gen_load_locked
1522         and gen_store_conditional.
1523         (alpha_split_atomic_exchange): Ditto.
1524         (alpha_expand_atomic_exchange_12): Use gen_atomic_exchange_1.
1525         (alpha_split_atomic_exchange_12): Use gen_load_locked
1526         and gen_store_conditional.
1528 2019-06-20  Richard Earnshaw  <rearnsha@arm.com>
1530         * config/aarch64/aarch64-errata.h: New file.
1531         * config/aarch64/aarch64-elf-raw.h (CA53_ERR_835769_SPEC): Delete.
1532         (CA53_ERR_843419_SPEC): Delete.
1533         (LINK_SPEC): Use AARCH64_ERRATA_LINK_SPEC instead of above.
1534         * config/aarch64/aarch64-linux.h: Likewise.
1535         * config/aarch64/aarch64-netbsd.h: Likewise.
1536         * config/aarch64/aarch64-freebsd.h: Likewise.
1538 2019-06-20  Marek Polacek  <polacek@redhat.com>
1540         * config/sh/sh.c (sh2a_function_vector_p): Use get_attribute_name.
1542 2019-06-20  Michael Meissner  <meissner@linux.ibm.com>
1544         * config/rs6000/rs6000.md (isa attribute): Add support for
1545         for a future processor.
1547 2019-06-20  H.J. Lu  <hongjiu.lu@intel.com>
1549         PR target/54855
1550         * config/i386/i386-expand.c (ix86_expand_vector_set): Generate
1551         standard scalar operation pattern for V2DF.
1552         * config/i386/sse.md (*<sse>_vm<plusminus_insn><mode>3): New.
1553         (*<sse>_vm<multdiv_mnemonic><mode>3): Likewise.
1554         (*ieee_<ieee_maxmin><mode>3): Likewise.
1555         (vec_setv2df_0): Likewise.
1557 2019-06-20  Jan Hubicka  <jh@suse.cz>
1559         * tree-ssa-alias.c (aliasing_component_refs_p): Remove ref2_is_decl
1560         parameter; it has no use in gimple memory model.
1561         (indirect_ref_may_alias_decl_p): Update.
1563 2019-06-20  Martin Liska  <mliska@suse.cz>
1565         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): Decrease
1566         to 10.
1568 2019-06-20  Jakub Jelinek  <jakub@redhat.com>
1570         * tree-vect-stmts.c (enum scan_store_kind): New type.
1571         (scan_store_can_perm_p): Change last argument from int * to
1572         vec<enum scan_store_kind> *, record precisely which permutations
1573         need whole vector left shift or that plus VEC_COND_EXPR.
1574         (vectorizable_scan_store): Adjust caller, use whole vector left shift
1575         and additional VEC_COND_EXPR only for those iterations that need it.
1577 2019-06-20  Alexandre Oliva <oliva@adacore.com>
1579         * config.gcc: Fix ARM --with-fpu checking and error message.
1581 2019-06-19  Marek Polacek  <polacek@redhat.com>
1583         PR c++/60364 - noreturn after first decl not diagnosed.
1584         * attribs.c (get_attribute_namespace): No longer static.
1585         (decl_attributes): Avoid shadowing.  Preserve the C++11 form for C++11
1586         attributes.
1587         (attr_noreturn_exclusions): Make it extern.
1588         * attribs.h (get_attribute_namespace): Declare.
1589         * tree-inline.c (function_attribute_inlinable_p): Use
1590         get_attribute_name.
1592 2019-06-19  Martin Sebor  <msebor@redhat.com>
1594         PR tree-optimization/90626
1595         * tree-ssa-strlen.c (strxcmp_unequal): Fix typos.
1597         PR tree-optimization/90626
1598         * tree-ssa-strlen.c (strxcmp_unequal): New function.
1599         (handle_builtin_string_cmp): Call it.
1601 2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>
1603         * config/darwin.h (DRIVER_SELF_SPECS): Add RDYNAMIC, DARWIN_PIE_SPEC
1604         and DARWIN_NOPIE_SPEC.
1605         (RDYNAMIC): New, modified from DARWIN_EXPORT_DYNAMIC.
1606         (DARWIN_PIE_SPEC): Collate from darwin.h and darwin9.h.
1607         (DARWIN_NOPIE_SPEC): Collate from darwin10.h.
1608         (DARWIN_NOCOMPACT_UNWIND): New from darwin10.h
1609         (DARWIN_EXPORT_DYNAMIC): Delete.
1610         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move no_compact_unwind
1611         and pie options processing to  darwin.h.
1612         * config/darwin9.h (DARWIN_PIE_SPEC): Move pie processing to darwin.h
1614 2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>
1616         * config/darwin-driver.c (darwin_driver_init): Fix off-by-one errors
1617         in computing the number of options to be moved.
1619 2019-06-19  Maya Rashish  <coypu@sdf.org>
1621         *  config/arm/netbsd-elf.h (SYSARCH_ARM_SYNC_ICACHE): New definition.
1622         (CLEAR_INSN_CACHE) Use it.
1624 2019-06-19  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1626         * config/i386/i386.md (cmpstrnsi): Remove dead code.
1628 2019-06-19  Wilco Dijkstra  <wdijkstr@arm.com>
1630         PR middle-end/84521
1631         * builtins.c (expand_builtin_setjmp_setup): Save
1632         hard_frame_pointer_rtx.
1633         (expand_builtin_setjmp_receiver): Do not emit sfp = fp move since we
1634         restore fp.
1635         * function.c (expand_function_start): Save hard_frame_pointer_rtx for
1636         non-local goto.
1637         * lra-eliminations.c (eliminate_regs_in_insn): Remove sfp = fp
1638         elimination code.
1639         (remove_reg_equal_offset_note): Remove unused function.
1640         * reload1.c (eliminate_regs_in_insn): Remove sfp = hfp elimination
1641         code.
1642         * config/arc/arc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1643         (arc_builtin_setjmp_frame_value): Remove function.
1644         * config/avr/avr.c  (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1645         (avr_builtin_setjmp_frame_value): Remove function.
1646         * config/i386/i386.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1647         (ix86_builtin_setjmp_frame_value): Remove function.
1648         * config/pa/pa.md (nonlocal_goto): Remove FP adjustment.
1649         * config/sparc/sparc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1650         (sparc_builtin_setjmp_frame_value): Remove function.
1651         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
1652         (vax_builtin_setjmp_frame_value): Remove function.
1653         * config/xtensa/xtensa.c (xtensa_frame_pointer_required): Force frame
1654         pointer if has_nonlocal_label.
1656 2019-06-19  Jakub Jelinek  <jakub@redhat.com>
1658         * doc/md.texi: Document vec_shl_<mode> pattern.
1659         * optabs.def (vec_shl_optab): New optab.
1660         * optabs.c (shift_amt_for_vec_perm_mask): Add shift_optab
1661         argument, if == vec_shl_optab, check for left whole vector shift
1662         pattern rather than right shift.
1663         (expand_vec_perm_const): Add vec_shl_optab support.
1664         * optabs-query.c (can_vec_perm_var_p): Mention also vec_shl optab
1665         in the comment.
1666         * tree-vect-generic.c (lower_vec_perm): Support permutations which
1667         can be handled by vec_shl_optab.
1668         * tree-vect-stmts.c (scan_store_can_perm_p): New function.
1669         (check_scan_store): Use it.
1670         (vectorizable_scan_store): If target can't do normal permutations,
1671         try to use whole vector left shifts and if needed a VEC_COND_EXPR
1672         after it.
1673         * config/i386/sse.md (vec_shl_<mode>): New expander.
1675         * omp-low.c (lower_rec_input_clauses): Handle references properly
1676         in inscan clauses.
1677         (lower_omp_scan): Likewise.
1679 2019-06-19  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
1681         * tree-ssa-address.c (preferred_mem_scale_factor): Handle when
1682         mem_mode is BLKmode.
1684 2019-06-18  Max Filippov  <jcmvbkbc@gmail.com>
1686         PR target/90922
1687         * config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
1688         pointer adjustment for the case of no callee-saved registers and
1689         stack frame bigger than 128 bytes.
1691 2019-06-18  Thomas Schwinge  <thomas@codesourcery.com>
1693         PR middle-end/90862
1694         * omp-low.c (check_omp_nesting_restrictions): Handle
1695         GF_OMP_TARGET_KIND_OACC_DECLARE.
1697 2019-06-18  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1699         * config/i386/i386.md (@cmp<mode>_1): Rename from cmp<mode>_1.
1700         (@add<mode>3_carry): Rename from add<mode>3_carry.
1701         (@sub<mode>3_carry_ccc): Rename from sub<mode>3_carry_ccc.
1702         (@sub<mode>3_carry_ccgz): Rename form sub<mode>3_carry_ccgz.
1703         (@copysign<mode>3_const): Rename from copysign<mode>3_const.
1704         (@copysign<mode>3_var): Rename from copysign<mode>3_var.
1705         (@xorsign<mode>3_1): Rename from xorsign<mode>3_1.
1706         (@x86_shift<mode>_adj_1): Rename from x86_shift<mode>_adj_1.
1707         (@x86_shift<mode>_adj_2): Rename from x86_shift<mode>_adj_2.
1708         (@x86_shift<mode>_adj_3): Rename from x86_shift<mode>_adj_3.
1709         (cmpstrnsi): Use gen_cmp_1.
1710         (lwp_slwpcb): Use gen_lwp_slwpcb_1.
1711         (@lwp_slwpcb<mode>_1): Rename from lwp_slwpcb<mode>_1.
1712         (@umonitor_<mode>): Rename from umonitor_<mode>.
1713         * config/i386/i386-expand.c (ix86_expand_copysign):
1714         Use gen_copysign3_const and gen_copysign3_var.
1715         (ix86_expand_xorsign): Use gen_xorsign3_1.
1716         (ix86_expand_branch): Use gen_sub3_carry_ccc,
1717         gen_sub3_carry_ccgz and gen_cmp1.
1718         (ix86_expand_int_addcc): Use gen_sub3_carry and gen_add3_carry.
1719         (ix86_split_ashl): Use gen_x86_shift_adj_1 and gen_x86_shift_adj_2.
1720         (ix86_split_ashr): Use gen_x86_shift_adj_1 and gen_x86_shift_adj_3.
1721         (ix86_split_lshr): Ditto.
1722         (ix86_expand_builtin) <case IX86_BUILTIN_UMONITOR>: Use gen_umonitor.
1724 2019-06-18  Jason Merrill  <jason@redhat.com>
1726         * tree.c (build_constructor): Add MEM_STAT_DECL.
1728 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1730         * config/aarch64/aarch64-modes.def (CC_NZC): New CC_MODE.
1731         * config/aarch64/aarch64-sve.md (*<optab><mode>3_cc)
1732         (ptest_ptrue<mode>, while_ult<GPI:mode><PRED_ALL:mode>)
1733         (*while_ult<GPI:mode><PRED_ALL:mode>_cc, *cmp<cmp_op><mode>)
1734         (*cmp<cmp_op><mode>_ptest, *cmp<cmp_op><mode>_cc)
1735         (*pred_cmp<cmp_op><mode>_combine, *pred_cmp<cmp_op><mode>)
1736         (vec_cmp<mode><vpred>, vec_cmpu<mode><vpred>, cbranch<mode>4):
1737         Use CC_NZC instead of CC.
1738         * config/aarch64/aarch64.md (condjump): Print a '.' in SVE conditions.
1739         * config/aarch64/aarch64.c (aarch64_sve_condition_codes): New variable.
1740         (aarch64_print_operand): Handle E_CC_NZCmode.
1741         (aarch64_emit_sve_ptrue_op_cc): Use gen_set_clobber_cc_nzc instead
1742         of gen_set_clobber_cc.
1744 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1746         * config/aarch64/aarch64-sve.md: Tabify file.
1748 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1750         * config/aarch64/aarch64-protos.h (aarch64_pfalse_reg): Declare.
1751         * config/aarch64/aarch64.c (aarch64_pfalse_reg): New function.
1752         * config/aarch64/aarch64-sve.md: Use it.
1754 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1756         * config/aarch64/aarch64-protos.h (aarch64_ptrue_reg): Declare.
1757         * config/aarch64/aarch64.c (aarch64_ptrue_reg): New functions.
1758         (aarch64_expand_sve_widened_duplicate, aarch64_expand_sve_mem_move)
1759         (aarch64_maybe_expand_sve_subreg_move, aarch64_evpc_rev_local)
1760         (aarch64_expand_sve_vec_cmp_int): Use it.
1761         (aarch64_expand_sve_vec_cmp_float): Likewise.
1762         * config/aarch64/aarch64-sve.md: Likewise throughout.
1764 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1765             Kugan Vivekanandarajah  <kuganv@linaro.org>
1767         * config/aarch64/aarch64-sve.md (*cond_<optab><mode>_0): Delete.
1768         (*cond_<optab><mode>_z): Fold into...
1769         (*cond_<optab><mode>_any): ...here.  Also handle cases in which
1770         operand 4 can be tied to operand 0 (either inherently or via RA).
1772 2019-06-18  Richard Biener  <rguenther@suse.de>
1774         PR debug/90900
1775         * cfgexpand.c (expand_debug_expr): Treat NOTE_P DECL_RTL
1776         as if optimized away.
1778 2019-06-18  Tom de Vries  <tdevries@suse.de>
1780         * config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Remove.
1781         * config/nvptx/nvptx.c (gen_set_softstack_insn): Remove.
1782         * config/nvptx/nvptx.md (define_insn "set_softstack_<mode>"):
1783         Rename to ...
1784         (define_insn "@set_softstack_<mode>"): ... this.
1785         (define_insn "omp_simt_enter_<mode>"): Rename to ...
1786         (define_insn "@omp_simt_enter_<mode>"): ... this.
1787         (define_insn "omp_simt_exit_<mode>"): Rename to ...
1788         (define_insn "@omp_simt_exit_<mode>"): ... this.
1790 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1792         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): Remove
1793         vf parameter.  Restore the previous iv step of nscalars_step,
1794         but give it iv_type rather than compare_type.  Tweak code order
1795         to match the comments.
1796         (vect_set_loop_condition_masked): Update accordingly.
1797         * tree-vect-loop.c (vect_verify_full_masking): Use "unsigned int"
1798         for iv_precision.  Tweak comment formatting.
1800 2019-06-18  Iain Sandoe  <iain@sandoe.co.uk>
1802         * config/darwin.c: Strip trailing whitespace.
1804 2019-06-18  Iain Sandoe  <iain@sandoe.co.uk>
1806         * config/darwin.c (darwin_emit_unwind_label): New default to false.
1807         (darwin_override_options): Set darwin_emit_unwind_label as needed.
1809 2019-06-18  Martin Jambor  <mjambor@suse.cz>
1811         PR ipa/90889
1812         * ipa-cp.c (ignore_edge_p): Do not ignore edges when only the
1813         caller does not have flag_ipa_cp set.
1815 2019-06-18  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1817         * config/aarch64/aarch64-sve.md (mask_fold_left_plus_<mode>): Renamed
1818         from "*fold_left_plus_<mode>", updated operands order.
1819         * doc/md.texi (mask_fold_left_plus_@var{m}): Documented new optab.
1820         * internal-fn.c (mask_fold_left_direct): New define.
1821         (expand_mask_fold_left_optab_fn): Likewise.
1822         (direct_mask_fold_left_optab_supported_p): Likewise.
1823         * internal-fn.def (MASK_FOLD_LEFT_PLUS): New internal function.
1824         * optabs.def (mask_fold_left_plus_optab): New optab.
1825         * tree-vect-loop.c (mask_fold_left_plus_optab): New function to get a
1826         masked internal_fn for a reduction ifn.
1827         (vectorize_fold_left_reduction): Add support for masking reductions.
1829 2019-06-18  Kewen Lin  <linkw@gcc.gnu.org>
1831         PR middle-end/80791
1832         * target.def (predict_doloop_p): New hook.
1833         * targhooks.h (default_predict_doloop_p): New declaration.
1834         * targhooks.c (default_predict_doloop_p): New function.
1835         * doc/tm.texi.in (TARGET_PREDICT_DOLOOP_P): New hook.
1836         * doc/tm.texi: Regenerate.
1837         * config/rs6000/rs6000.c (rs6000_predict_doloop_p): New function.
1838         (TARGET_PREDICT_DOLOOP_P): New macro.
1839         * tree-ssa-loop-ivopts.c (generic_predict_doloop_p): New function.
1841 2019-06-17  Jakub Jelinek  <jakub@redhat.com>
1843         * omp-low.c (struct omp_context): Add scan_inclusive field.
1844         (scan_omp_1_stmt) <case GIMPLE_OMP_SCAN>: Set ctx->scan_inclusive
1845         if inclusive scan.
1846         (struct omplow_simd_context): Add lastlane member.
1847         (lower_rec_simd_input_clauses): Add rvar argument, handle inscan
1848         reductions.  Build 2 or 3 argument .GOMP_SIMD_LANE calls rather than
1849         1 or 2 argument.
1850         (lower_rec_input_clauses): Handle inscan reductions in simd contexts.
1851         (lower_lastprivate_clauses): Set TREE_THIS_NOTRAP on the ARRAY_REF.
1852         (lower_omp_scan): New function.
1853         (lower_omp_1) <case GIMPLE_OMP_SCAN>: Use lower_omp_scan.
1854         * tree-ssa-dce.c (eliminate_unnecessary_stmts): For IFN_GOMP_SIMD_LANE
1855         check 3rd argument if present rather than 2nd.
1856         * tree-vectorizer.h (struct _loop_vec_info): Add scan_map member.
1857         (struct _stmt_vec_info): Change simd_lane_access_p from bool into
1858         2-bit bitfield.
1859         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1860         scan_map.  For IFN_GOMP_SIMD_LANE check 3rd argument if present rather
1861         than 2nd.
1862         (_loop_vec_info::~_loop_vec_info): Delete scan_map.
1863         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Allow two
1864         different STMT_VINFO_SIMD_LANE_ACCESS_P refs if they have the same
1865         init.
1866         (vect_find_stmt_data_reference): Encode in ->aux the 2nd
1867         IFN_GOMP_SIMD_LANE argument.
1868         (vect_analyze_data_refs): Set STMT_VINFO_SIMD_LANE_ACCESS_P from the
1869         encoded ->aux value.
1870         * tree-vect-stmts.c: Include attribs.h.
1871         (vectorizable_call): Adjust comment about IFN_GOMP_SIMD_LANE.
1872         (scan_operand_equal_p, check_scan_store, vectorizable_scan_store): New
1873         functions.
1874         (vectorizable_load): For STMT_VINFO_SIMD_LANE_ACCESS_P tests use != 0.
1875         (vectorizable_store): Handle STMT_VINFO_SIMD_LANE_ACCESS_P > 1.
1877 2019-06-17  UroÅ¡ Bizjak  <ubizjak@gmail.com>
1879         PR target/62055
1880         * config/i386/i386.md (*nabstf2_1): New insn pattern.
1881         (*nabs<mode>2_1): Ditto.
1882         (nabs sse-reg splitter): New splitter.
1883         * config/i386/sse.md (*nabs<mode>2): New insn_and_split pattern.
1885 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
1887         PR bootstrap/90873.
1888         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Fix
1889         TMR index check.
1891 2019-06-17  Tom de Vries  <tdevries@suse.de>
1893         * config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Declare.
1894         * config/nvptx/nvptx.c (gen_set_softstack_insn): New function.
1895         * config/nvptx/nvptx.md (define_insn "set_softstack_insn"): Rename to
1896         ...
1897         (define_insn "set_softstack_<mode>"): ... this.  Use P iterator on
1898         match_operand 0.
1899         (define_insn "omp_simt_enter_insn"): Rename to ...
1900         (define_insn "omp_simt_enter_<mode>"): ... this.  Use P iterator on
1901         match_operand 0, 1 and 2, as well as the unspec_volatile result.
1902         (define_expand "omp_simt_enter): Use gen_omp_simt_enter_di and
1903         gen_omp_simt_enter_si.
1904         (define_expand "omp_simt_exit"): New.
1905         (define_insn "omp_simt_exit"): Rename to ...
1906         (define_insn "omp_simt_exit_<mode>"): ... this.  Use P iterator on
1907         match_operand 0.
1909 2019-06-17  Matthew Green  <mrg@eterna.com.au>
1910             Maya Rashish  <coypu@sdf.org>
1912         * config.gcc (aarch64*-*-netbsd*): New target.
1913         * config/aarch64/aarch64-netbsd.h: New file.
1914         * config/aarch64/t-aarch64-netbsd: Likewise.
1916 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
1918         * tree-ssa-alias.c (aliasing_component_refs_p): Consider only
1919         the access path from base to first VIEW_CONVERT_EXPR or
1920         BIT_FIELD_REF.
1922 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
1924         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Also truncate
1925         access path on BIT_FIELD_REFs.
1927 2019-06-17  Martin Liska  <mliska@suse.cz>
1929         PR ipa/90874
1930         * ipa-utils.h (odr_type_p): Remove dead code.
1932 2019-06-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1934         * configure.ac (ld_vers) <*-*-solaris2*>: Remove support for
1935         alternative Solaris 11.4 format.
1936         * configure: Regenerate.
1938 2019-06-17  Tom de Vries  <tdevries@suse.de>
1940         * config/nvptx/nvptx.md (define_insn "call_insn"): Rename to ...
1941         (define_insn "call_insn_<mode>"): ... this.  Use P iterator on
1942         match_operand 0.
1943         (define_insn "call_value_insn"): Rename to ...
1944         (define_insn "call_value_insn_<mode>"): this.  Use P iterator on
1945         match_operand 0.
1946         (define_insn "nvptx_red_partition"): Set unspec_volatile result mode to
1947         DI.
1949 2019-06-16  John David Anglin  <danglin@gcc.gnu.org>
1951         PR middle-end/64242
1952         * config/pa/pa.md (nonlocal_goto): Restore frame pointer last.  Add
1953         frame clobbers and schedule block.
1954         (builtin_longjmp): Likewise.
1956 2019-06-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1958         * config/msp430/msp430.c (msp430_expand_helper): Setup arguments which
1959         describe how to perform MSPABI compliant 64-bit shift.
1960         * config/msp430/msp430.md (ashldi3): New define_expand.
1961         (ashrdi3): New define_expand.
1962         (lshrdi3): New define_expand.
1964 2019-06-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1966         * doc/sourcebuild.texi: Document new effective target keyword
1967         longlong64.
1969 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
1971         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p,
1972         indirect_refs_may_alias_p): Revert accidental commits.
1974         * tree-ssa-alias.c (aliasing_component_refs_p): Watch for arrays
1975         at the end of structures.
1977 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
1979         * config/darwin.c (machopic_indirect_call_target): Use renamed
1980         darwin_picsymbol_stubs to decide on output.
1981         (darwin_override_options): Handle darwin_picsymbol_stubs.
1982         * config/darwin.h (MIN_LD64_OMIT_STUBS): New.
1983         (LD64_VERSION): Revise default.
1984         * config/darwin.opt: (mpic-symbol-stubs): New option.
1985         (darwin_picsymbol_stubs): New variable.
1986         * config/i386/darwin.h (TARGET_MACHO_BRANCH_ISLANDS):
1987         rename to TARGET_MACHO_PICSYM_STUBS.
1988         * config/i386/i386.c (output_pic_addr_const): Likewise.
1989         * config/i386/i386.h Likewise.
1990         * config/rs6000/darwin.h: Likewise.
1991         * config/rs6000/rs6000.c (rs6000_call_darwin_1): Use renamed
1992         darwin_picsymbol_stubs.
1994 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
1996         * config/darwin.opt (prebind, noprebind, seglinkedit,
1997         noseglinkedit): Add RejectNegative.
1999 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
2001         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Fix pasto
2002         in my previous patch.
2004 2019-06-16  Tom de Vries  <tdevries@suse.de>
2006         PR tree-optimization/89376
2007         * tree-parloops.c (oacc_entry_exit_ok_1): Handle red == NULL.
2009 2019-06-15  Maya Rashish  <coypu@sdf.org>
2011         * doc/invoke.texi (Spec Files): Update location of the
2012         Fortran spec file.
2014 2019-06-15  Gerald Pfeifer  <gerald@pfeifer.com>
2016         * doc/extend.texi (Common Function Attributes): Clarify
2017         no_sanitize.  Fix grammar.
2019 2019-06-15  Jan Hubicka  <hubicka@ucw.cz>
2021         * tree-ssa-alias.c (alias_stats): Add
2022         nonoverlapping_component_refs_p_may_alias,
2023         nonoverlapping_component_refs_p_no_alias,
2024         nonoverlapping_component_refs_of_decl_p_may_alias,
2025         nonoverlapping_component_refs_of_decl_p_no_alias.
2026         (dump_alias_stats): Dump them.
2027         (nonoverlapping_component_refs_of_decl_p): Add stats.
2028         (nonoverlapping_component_refs_p): Add stats; do not stop on first
2029         ARRAY_REF.
2031 2019-06-15  UroÅ¡ Bizjak  <ubizjak@gmail.com>
2033         * config/i386/i386.md (and<mode>3): Generate zero-extends for
2034         TARGET_ZERO_EXTEND_WITH_AND && optimize_function_for_speed_p (cfun))
2035         only.
2036         (*anddi3_doubleword): Split before reload. Merge with
2037         anddi->zext pre-reload splitter.
2038         (*andndi3_doubleword): Split before reload.
2039         (*<code>di3_doubleword): Ditto.
2040         (*one_cmpldi2_doubleword): Ditto.
2042 2019-06-15  Jakub Jelinek  <jakub@redhat.com>
2044         PR middle-end/90779
2045         * gimplify.c: Include omp-offload.h and context.h.
2046         (gimplify_bind_expr): Add "omp declare target" attributes
2047         to static block scope variables inside of target region or target
2048         functions.
2050 2019-06-15  Tom de Vries  <tdevries@suse.de>
2052         PR tree-optimization/90009
2053         * tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
2054         Return NULL if bb contains IFN_UNIQUE.
2056 2019-06-14  Segher Boessenkool  <segher@kernel.crashing.org>
2058         * config/rs6000/rs6000.md (CCEITHER): New define_mode_iterator.
2059         (un): New define_mode_attr.
2060         (isel_signed_<mode>, isel_unsigned_<mode>): Delete, merge into ...
2061         (isel_<un>signed_<GPR:mode>): ... this.  New define_insn.
2062         (isel_reversed_signed_<mode>, isel_reversed_unsigned_<mode>): Delete,
2063         merge into ...
2064         (isel_reversed_<un>signed_<GPR:mode>): ... this.  New define_insn.
2066 2019-06-14  Iain Sandoe  <iain@sandoe.co.uk>
2068         * config/darwin.opt: Add RejectNegative where needed, reorder
2069         and add minimal functional descriptions.
2071 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
2073         PR rtl-optimization/90765
2074         * calls.c (update_stack_alignment_for_call): New function.
2075         (expand_call): Call update_stack_alignment_for_call when
2076         outgoing parameter is passed in the stack.
2077         (emit_library_call_value_1): Likewise.
2078         * function.c (locate_and_pad_parm): Don't update
2079         stack_alignment_needed and preferred_stack_boundary.
2081 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
2083         PR target/90877
2084         * config/i386/i386-features.c
2085         (dimode_scalar_chain::compute_convert_gain): Replace
2086         mmxsse_to_integer with sse_to_integer.
2087         * config/i386/i386.c (ix86_register_move_cost): Verify that
2088         moves between MMX and non-MMX units require secondary memory.
2089         Correct costs of moves between SSE and integer units.
2090         * config/i386/i386.h (processor_costs): Rename cost of moving
2091         SSE register to integer to sse_to_integer.  Rename cost of
2093 2019-06-14  Matt Thomas  <matt@3am-software.com>
2094             Matthew Green  <mrg@eterna.com.au>
2095             Nick Hudson  <skrll@netbsd.org>
2096             Maya Rashish  <coypu@sdf.org>
2097             Richard Earnshaw  <rearnsha@arm.com>
2099         * config.gcc (arm*-*-netbsdelf*) Add support for EABI configuration.
2100         * config.host (arm*-*-netbsd*): Use driver-arm.o on native NetBSD.
2101         * config/arm/netbsd-eabi.h: New file.
2102         * config/arm/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Undefine before
2103         redefining.
2104         (SUBTARGET_EXTRA_ASM_SPEC): Don't pass -matpcs to the assembler.
2105         * config/netbsd-elf.h (NETBSD_LINK_LD_ELF_SO_SPEC): New define.
2106         (NETBSD_SUBTARGET_EXTRA_SPECS): New define.
2107         (SUBTARGET_EXTRA_SPECS): Define to NETBSD_SUBTARGET_EXTRA_SPECS.
2109 2019-06-14  Richard Biener  <rguenther@suse.de>
2111         * tree-loop-distribution.c (classify_partition): Return
2112         whether a reduction appeared in all partitions and do not
2113         stop builtin detection because of this.
2114         (distribute_loop): Sort a non-builtin partition last if
2115         there's a reduction in all partitions and make sure the
2116         partition prevailing as last is not a builtin.
2118 2019-06-14  Feng Xue  <fxue@os.amperecomputing.com>
2120         PR ipa/90401
2121         * ipa-prop.c (add_to_agg_contents_list): New function.
2122         (clobber_by_agg_contents_list_p): Likewise.
2123         (extract_mem_content): Likewise.
2124         (get_place_in_agg_contents_list): Delete.
2125         (determine_known_aggregate_parts): Renamed from
2126         determine_locally_known_aggregate_parts.  New parameter
2127         aa_walk_budget_p.
2129 2019-06-13  Martin Sebor  <msebor@redhat.com>
2131         PR tree-optimization/90662
2132         * tree-ssa-strlen.c (get_stridx): Convert fold_build2 operands
2133         to the same type.
2135 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
2137         PR bootstrap/90873
2138         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Also check that
2139         dbase is not TARGET_MEM_REF.
2141 2019-06-13  UroÅ¡ Bizjak  <ubizjak@gmail.com>
2143         * config/i386/i386.md (SWIM1248s): Rename from SWIM1248x.
2144         Update all uses.
2145         (and<mode>3): Use gen_extend_insn instead of indirect functions.
2146         Do not generate DImode extends for 32bit targets.
2147         (and->zext post-reload splitter): Use gen_extend_insn
2148         instead of indirect functions.
2149         (anddi->zext pre-reload splitter): New.
2150         (*zext<mode>_doubleword_and): Remove.
2151         (*zext<mode>_doubleword): Ditto.
2152         (*zextsi_doubleword): Dittto.
2154 2019-06-13  UroÅ¡ Bizjak  <ubizjak@gmail.com>
2156         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
2157         Use gen_sub3_insn instead of indirect function.
2158         (ix86_expand_ashl_const): Use gen_add2_insn instead of
2159         indirect function.
2160         (ix86_adjust_counter): Ditto.
2162 2019-06-13  Jiufu Guo  <guojiufu@linux.ibm.com>
2163             Lijia He  <helijia@linux.ibm.com>
2165         PR tree-optimization/77820
2166         * tree-ssa-threadedge.c
2167         (edge_forwards_cmp_to_conditional_jump_through_empty_bb_p): New
2168         function.
2169         (thread_across_edge): Add call to
2170         edge_forwards_cmp_to_conditional_jump_through_empty_bb_p.
2172 2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>
2174         * config/darwin-driver.c (validate_macosx_version_min): New.
2175         (darwin_default_min_version): Cleanup and validate supplied version.
2176         (darwin_driver_init): Likewise and push cleaned version into opts.
2178 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
2180         PR tree-optimization/90869
2181         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
2182         converts in MEM_REF referencing decl rather than view converts
2183         from decl type to MEM_REF type.
2185 2019-06-13  Richard Biener  <rguenther@suse.de>
2187         PR tree-optimization/90856
2188         * tree-sra.c (build_ref_for_model): Only use
2189         build_reconstructed_reference when address-spaces are the same.
2191 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
2193         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
2194         wrap ei variable name in the declaration in ()s.
2195         (nvptx_single): Actually use mode_label variable.  Formatting fix.
2197 2019-06-13  Richard Biener  <rguenther@suse.de>
2199         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
2200         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
2201         also return the condition stmt.
2202         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
2203         loop we can version and version that, reusing the loop version
2204         created by if-conversion instead of versioning again.
2206 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
2208         * gimple-loop-versioning.cc (prune_loop_conditions): Use
2209         may_contain_p.
2210         * tree-vrp (value_range_base::may_contain_p): Call into
2211         value_inside_range.
2212         (value_inside_range): Make private inside value_range_base class.
2213         Take min/max from *this.
2214         (range_includes_p): Remove.
2215         * tree-vrp.h (value_range_base): Add value_inside_range.
2216         (range_includes_p): Remove.
2217         (range_includes_zero_p): Call may_contain_p.
2218         * vr-values.c (compare_range_with_value): Same.
2220 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
2222         * doc/extend.texi (ARC Function Attributes): Update info.
2224 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
2226         PR tree-optimization/89713
2227         * doc/invoke.texi (-ffinite-loops): Document new option.
2228         * common.opt (-ffinite-loops): New option.
2229         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
2230         IFN_GOACC_LOOP calls as necessary.
2231         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
2232         is finite.
2233         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
2234         IFN_GOACC_LOOP call is not used.
2235         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
2237 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
2239         PR target/88838
2240         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
2241         compare_type is not with Pmode size, we will create an IV with
2242         Pmode size with truncated use (i.e. converted to the correct type).
2243         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
2244         (vect_iv_limit_for_full_masking): New. Factored out of
2245         vect_set_loop_condition_masked.
2246         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
2247         (vect_iv_limit_for_full_masking): Declare.
2249 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
2251         PR target/88834
2252         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
2253         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
2254         (get_alias_ptr_type_for_ptr_address): Likewise.
2255         (add_iv_candidate_for_use): Add scaled index candidate if useful.
2256         * tree-ssa-address.c (preferred_mem_scale_factor): New.
2257         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
2258         allow_reg_index_p.
2260 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
2262         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
2264 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
2266         * common/config/pru/pru-common.c: New file.
2267         * config.gcc: Add PRU target.
2268         * config/pru/alu-zext.md: New file.
2269         * config/pru/constraints.md: New file.
2270         * config/pru/predicates.md: New file.
2271         * config/pru/pru-opts.h: New file.
2272         * config/pru/pru-passes.c: New file.
2273         * config/pru/pru-pragma.c: New file.
2274         * config/pru/pru-protos.h: New file.
2275         * config/pru/pru.c: New file.
2276         * config/pru/pru.h: New file.
2277         * config/pru/pru.md: New file.
2278         * config/pru/pru.opt: New file.
2279         * config/pru/t-pru: New file.
2280         * doc/extend.texi: Document PRU pragmas.
2281         * doc/invoke.texi: Document PRU-specific options.
2282         * doc/md.texi: Document PRU asm constraints.
2284 2019-06-12  Martin Sebor  <msebor@redhat.com>
2286         PR middle-end/90676
2287         * tree-pretty-print.c (dump_mem_ref): New function.  Include
2288         MEM_REF type in output when different size than operand.
2289         (dump_generic_node): Move code to dump_mem_ref and call it.
2291 2019-06-12  Martin Sebor  <msebor@redhat.com>
2293         PR tree-optimization/90662
2294         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
2295         to arrays.
2297 2019-06-12  Tom de Vries  <tdevries@suse.de>
2299         PR tree-optimization/90009
2300         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
2302 2019-06-12  Martin Liska  <mliska@suse.cz>
2304         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
2305         the created map.
2306         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
2307         * mem-stats.h (mem_alloc_description::mem_alloc_description):
2308         Do not sanitize created maps.
2310 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
2312         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
2313         value_range::singleton_p.
2314         * tree-vrp.c (value_range_constant_singleton): Remove.
2315         * tree-vrp.h (value_range_constant_singleton): Remove.
2316         * vr-values.c (vr_values::singleton): Use
2317         value_range::singleton_p.
2319 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
2321         PR target/90811
2322         * cfgexpand.c (align_local_variable): Add really_expand argument,
2323         don't SET_DECL_ALIGN if it is false.
2324         (add_stack_var): Add really_expand argument, pass it through to
2325         align_local_variable.
2326         (expand_one_stack_var_1): Pass true as really_expand to
2327         align_local_variable.
2328         (expand_one_ssa_partition): Pass true as really_expand to
2329         add_stack_var.
2330         (expand_one_var): Pass really_expand through to add_stack_var.
2332 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2334         * config/arm/iterators.md (VABAL): New int iterator.
2335         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
2336         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
2337         values.
2339 2019-06-12  Martin Liska  <mliska@suse.cz>
2341         * value-prof.c (stream_out_histogram_value): Only first value
2342         can't be negative.
2344 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
2346         PR c/90760
2347         * symtab.c (symtab_node::set_section): Allow being called on aliases
2348         as long as they aren't analyzed yet.
2350 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
2352         * config/mips/mips.c (mips_final_postscan_insn): Modify call
2353         to `mips_set_text_contents_type' to indicate whether a
2354         non-debug insn follows.
2356 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
2358         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
2359         enabling -mpcrel by default.
2360         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
2361         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
2362         that the test against -mcpu=future is done first.  Then test if
2363         -mprefixed-addr is on for -mpcrel.
2364         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
2366 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
2368         PR target/90811
2369         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
2370         instead of and.u%d.
2372 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
2374         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
2376 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
2378         PR c++/90449 - add -Winaccessible-base option.
2379         * doc/invoke.texi (Winaccessible-base): Document.
2381 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
2383         PR tree-optimization/62041
2384         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
2386 2019-06-11  Jason Merrill  <jason@redhat.com>
2388         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
2389         * tree.c (get_tree_code_name): Likewise.
2390         * print-tree.c (print_node): Only briefly print a node with an
2391         invalid code.
2393 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
2395         PR bootstrap/90819
2396         * trans-mem.c (tm_memopt_compute_available): Add assertion
2397         that blocks is not empty.  Formatting fix.
2399 2019-06-11  Martin Liska  <mliska@suse.cz>
2401         PR c++/87847
2402         * hash-table.h: Extend create_gcc, add one parameter
2403         that is passed into hash_table::hash_table.
2405 2019-06-10  UroÅ¡ Bizjak  <ubizjak@gmail.com>
2407         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
2408         New prototype.
2409         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
2410         Emit clobber also for non-sse operations.
2411         (ix86_split_fp_absneg_operator): New function.
2412         * config/i386/i386.md (SSEMODEF): New mode iterator.
2413         (ssevecmodef): New mode attribute.
2414         (<code>tf2): Use absneg code iterator.
2415         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
2416         Add three-operand AVX alternatives.
2417         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
2418         Use absneg code iterator and X87MODEF mode iterator.
2419         (absneg fp_reg non-sse splitter): Call absneg code iterator
2420         and X87MODEF mode iterator.
2421         (absneg general_reg non-sse splitter): Use absneg code iterator
2422         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
2423         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
2424         code iterator.  Add three-operand AVX alternative.
2425         (absneg sse_reg splitter): Use absneg code iterator
2426         and SSEMODEF mode iterator.  Handle AVX operands.
2427         (absneg fp_reg splitter): Use absneg code iterator
2428         and MODEF mode iterator.
2429         (absneg general_reg splitter): Merge splitters using MODEF mode
2430         iterator.  Use absneg code iterator.  Call
2431         ix86_split_fp_absneg_operator.
2432         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
2433         Do not enable for non-sse modes before reload.
2434         (CSGNMODE): Remove.
2435         (CSGNVMODE): Ditto.
2436         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
2437         ssevecmodef mode attribute instaed of CSGNVMODE.
2438         (copysign<mode>3_const): Ditto.
2439         (copysign<mode>3_var): Ditto.
2440         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
2441         Use absneg code iterator.  Simplify code using std::swap.
2442         * config/i386/predicates.md (absneg_operator): Remove.
2444 2019-06-10  Martin Sebor  <msebor@redhat.com>
2446         * gimple-fold.c (get_range_strlen): Update comment that didn't
2447         make it into r267503 or related commits.
2449 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
2451         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
2452         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
2454 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
2456         * tree.def (OMP_SCAN): New tree code.
2457         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
2458         OMP_CLAUSE_EXCLUSIVE.
2459         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
2460         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
2461         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
2462         OMP_CLAUSE_{IN,EX}CLUSIVE.
2463         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
2464         * tree-nested.c (convert_nonlocal_reference_stmt,
2465         convert_local_reference_stmt, convert_gimple_call): Handle
2466         GIMPLE_OMP_SCAN.
2467         * tree-pretty-print.c (dump_omp_clause): Handle
2468         OMP_CLAUSE_{IN,EX}CLUSIVE.
2469         (dump_generic_node): Handle OMP_SCAN.
2470         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
2471         * gimple.h (gomp_scan): New type.
2472         (is_a_helper <gomp_scan *>::test,
2473         is_a_helper <const gomp_scan *>::test): New templates.
2474         (gimple_build_omp_scan): Declare.
2475         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
2476         gimple_omp_scan_set_clauses): New inline functions.
2477         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
2478         * gimple.c (gimple_build_omp_scan): New function.
2479         (gimple_copy): Handle GIMPLE_OMP_SCAN.
2480         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
2481         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
2482         GIMPLE_OMP_TASKGROUP.
2483         (dump_gimple_omp_scan): New function.
2484         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
2485         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
2486         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
2487         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
2488         (is_gimple_stmt): Handle OMP_SCAN.
2489         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
2490         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
2491         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
2492         mentioned in nested #pragma omp scan.  Handle
2493         OMP_CLAUSE_{IN,EX}CLUSIVE.
2494         (gimplify_expr): Handle OMP_SCAN.
2495         * omp-low.c (check_omp_nesting_restrictions): For parent context,
2496         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
2497         simd constructs.
2498         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
2499         GIMPLE_OMP_SCAN.
2501 2019-06-10  Martin Liska  <mliska@suse.cz>
2503         * ipa-cp.c (ignore_edge_p): New function.
2504         (build_toporder_info): Use it.
2505         * ipa-inline.c (ignore_edge_p): New function.
2506         (inline_small_functions): Use it.
2507         * ipa-pure-const.c (ignore_edge_for_nothrow):
2508         Verify opt_for_fn for caller and callee.
2509         (ignore_edge_for_pure_const): Likewise.
2510         * ipa-reference.c (ignore_edge_p): Extend to check
2511         for opt_for_fn.
2512         * ipa-utils.c (searchc): Refactor.
2513         * ipa-utils.h: Fix coding style.
2515 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
2517         * config/arc/arc.c (arc_rtx_costs): Update costs.
2519 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
2521         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
2522         (arc_split_ior): Likewise.
2523         (arc_check_mov_const): Likewise.
2524         (arc_split_mov_const): Likewise.
2525         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
2526         (arc_rtx_costs): Replace check Crr with Cax constraint.
2527         (prepare_move_operands): Cleanup, remove unused code.
2528         (arc_split_ior): New function.
2529         (arc_check_ior_const): Likewise.
2530         (arc_split_mov_const): Likewise.
2531         (arc_check_mov_const): Likewise.
2532         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
2533         in define_insn_and_split pattern.
2534         (iorsi3): Likewise.
2535         (mulsi3_v2): Add new matching variant.
2536         (andsi3_i): Cleanup pattern.
2537         (rotrsi3_cnt1): Update pattern.
2538         (rotrsi3_cnt8): New pattern.
2539         (ashlsi2_cnt8): Likewise.
2540         (ashlsi2_cnt16): Likewise.
2541         * config/arc/constraints.md (C0p): Update constraint.
2542         (Crr): Remove it.
2543         (C0x): New pattern.
2544         (Cax): New pattern.
2546 2019-06-10  Martin Liska  <mliska@suse.cz>
2548         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
2549         Update coding style.
2550         (sem_item_optimizer::dump_cong_classes):
2551         Print how many items are in a non-singular class.  Improve
2552         coding style.
2554 2019-06-10  Martin Liska  <mliska@suse.cz>
2556         * value-prof.c (dump_histogram_value): Change dump format.
2557         (gimple_mod_subtract_transform): Remove legacy comment.
2559 2019-06-10  Martin Liska  <mliska@suse.cz>
2561         * value-prof.c (dump_histogram_value): Print histogram values
2562         only if present.
2564 2019-06-10  Martin Liska  <mliska@suse.cz>
2566         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
2567         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
2568         * ipa-profile.c (ipa_profile_generate_summary):
2569         Use get_most_common_single_value.
2570         * tree-profile.c (gimple_init_gcov_profiler):
2571         Instrument with __gcov_one_value_profiler_v2
2572         and __gcov_indirect_call_profiler_v4.
2573         * value-prof.c (dump_histogram_value):
2574         Print all values for HIST_TYPE_SINGLE_VALUE.
2575         (stream_out_histogram_value): Update assert for
2576         N values.
2577         (stream_in_histogram_value): Set number of
2578         counters for HIST_TYPE_SINGLE_VALUE.
2579         (get_most_common_single_value): New.
2580         (gimple_divmod_fixed_value_transform):
2581         Use get_most_common_single_value.
2582         (gimple_ic_transform): Likewise.
2583         (gimple_stringops_transform): Likewise.
2584         (gimple_find_values_to_profile): Set number
2585         of counters for HIST_TYPE_SINGLE_VALUE.
2586         * value-prof.h (get_most_common_single_value):
2587         New.
2589 2019-06-10  Martin Liska  <mliska@suse.cz>
2591         * hash-map.h: Pass default value to hash_table ctor.
2592         * hash-table.h: Add default value to call of a ctor.
2594 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
2596         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
2597         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
2599 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
2601         PR target/90751
2602         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
2603         Call pa_output_function_label.
2604         (TARGET_ASM_FUNCTION_PROLOGUE): define.
2605         * config/pa/pa-protos.h (pa_output_function_label): Declare.
2606         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
2607         to declaration.
2608         (pa_linux_output_function_prologue): Declare.
2609         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
2610         (pa_output_function_label): New.
2611         (pa_output_function_prologue): Revise to use pa_output_function_label.
2612         (pa_linux_output_function_prologue): New.
2613         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
2615 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
2617         * tree-vrp.h (value_range_base::intersect): New.
2618         (value_range::intersect_helper): Move from here...
2619         (value_range_base::intersect_helper): ...to here.
2620         * tree-vrp.c (value_range::intersect_helper): Rename to...
2621         (value_range_base::intersect_helper): ...this, and rewrite to
2622         return a value instead of modifying THIS in place.
2623         Also, move equivalence handling...
2624         (value_range::intersect): ...here, while calling intersect_helper.
2625         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
2626         calling intersect.
2627         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
2628         Same.
2629         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
2631 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
2633         * Makefile.in (genprogerr): Add condmd.
2634         (genprog): Remove it here.
2636 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
2638         * doc/invoke.texi (AMD GCN Options): Add gfx906.
2640 2019-06-07  Richard Biener  <rguenther@suse.de>
2642         PR debug/90574
2643         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
2644         that appear after user labels.
2646 2019-06-07  Martin Liska  <mliska@suse.cz>
2648         * cselib.c (cselib_init): Disable hash table
2649         sanitization.
2650         * hash-set.h: Pass new default argument to m_table.
2651         * hash-table.c: Add global variable with hash table
2652         sanitization limit.
2653         * hash-table.h (Allocator>::hash_table): Add new argument
2654         to ctor.
2655         (hashtab_chk_error): New.
2656         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
2657         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
2658         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
2660 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
2662         * common.opt (flto-odr-type-merging): Ignore.
2663         * invoke.texi (-flto-odr-type-merging): Remove.
2664         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
2665         (can_be_vtable_hashed_p): Remove.
2666         (hash_odr_vtable): Remove.
2667         (odr_vtable_hasher::hash): Remove.
2668         (types_same_for_odr): Remove.
2669         (types_odr_comparable): Remove.
2670         (odr_vtable_hasher::equal): Remove.
2671         (odr_vtable_hash_type, odr_vtable_hash): Remove.        
2672         (add_type_duplicate): Do not synchronize vtable and name hashtables.
2673         (get_odr_type): Do not use vtable hash.
2674         (dump_odr_type): Remove commented out code.
2675         (build_type_inheritance_graph): Do not allocate vtable hash.
2676         (rebuild_type_inheritance_graph): Do not delete vtable hash.
2677         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
2678         (odr_type_p): Likewise.
2679         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
2680         test.
2682 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
2684         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
2685         immediately after same_types_for_tbaa_p returns -1 and continue
2686         looking for possible exact match; if matching types are arrays
2687         watch for partial overlaps.
2688         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
2689         (indirect_refs_may_alias_p): Do type based disambiguation first;
2690         update comment.
2692 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
2694         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
2696 2019-06-07  Martin Liska  <mliska@suse.cz>
2698         * doc/invoke.texi: Remove param.
2699         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
2700         Remove.
2701         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
2702         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
2703         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
2704         * profile.c (instrument_values): Remove
2705         HIST_TYPE_INDIR_CALL_TOPN.
2706         * tree-profile.c (init_ic_make_global_vars):
2707         Always build __gcov_indirect_call only.
2708         (gimple_init_gcov_profiler): Remove usage
2709         of PARAM_INDIR_CALL_TOPN_PROFILE.
2710         (gimple_gen_ic_profiler): Likewise.
2711         * value-prof.c (dump_histogram_value): Likewise.
2712         (stream_in_histogram_value): Likewise.
2713         (gimple_indirect_call_to_profile): Likewise.
2714         (gimple_find_values_to_profile): Likewise.
2715         * value-prof.h (enum hist_type): Likewise.
2717 2019-06-07  Martin Liska  <mliska@suse.cz>
2719         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
2720         function.
2722 2019-06-07  Martin Liska  <mliska@suse.cz>
2724         PR tree-optimization/78902
2725         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
2726         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
2727         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
2728         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
2729         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
2730         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
2731         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
2732         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
2733         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
2734         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
2735         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
2736         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
2737         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
2738         New.
2739         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
2740         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
2741         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
2742         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
2743         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
2744         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
2745         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
2746         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
2747         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
2748         warn_unused_result attribute.
2749         (BUILT_IN_STRDUP): Likewise.
2750         (BUILT_IN_STRNDUP): Likewise.
2751         (BUILT_IN_ALLOCA): Likewise.
2752         (BUILT_IN_CALLOC): Likewise.
2753         (BUILT_IN_MALLOC): Likewise.
2754         (BUILT_IN_REALLOC): Likewise.
2756 2019-06-06  Jim Wilson  <jimw@sifive.com>
2758         PR target/89955
2759         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
2760         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
2761         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
2763 2019-06-06  Martin Sebor  <msebor@redhat.com>
2765         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
2766         (handle_builtin_malloc): Remove trailing spaces.
2767         (handle_builtin_memset): Same.
2768         (handle_builtin_memcmp): Same.
2769         (compute_string_length): Same.
2770         (determine_min_objsize): Same.
2771         (handle_builtin_string_cmp): Same.
2772         (handle_char_store): Same.  Break up excessively long line.
2774 2019-06-06  Martin Jambor  <mjambor@suse.cz>
2776         * tree-sra.c (build_reconstructed_reference): Drop the alignment
2777         check.
2779 2019-06-06  Martin Jambor  <mjambor@suse.cz>
2781         * tree-sra.c (struct access): New field grp_same_access_path.
2782         (dump_access): Dump it.
2783         (build_reconstructed_reference): New function.
2784         (build_ref_for_model): Use it if possible.
2785         (path_comparable_for_same_access): New function.
2786         (same_access_path_p): Likewise.
2787         (sort_and_splice_var_accesses): Set the new flag.
2788         (analyze_access_subtree): Likewise.
2789         (propagate_subaccesses_across_link): Propagate zero value of the new
2790         flag down the access tree.
2792 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
2794         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
2795         * config/gcn/gcn.opt (gpu_type): Add gfx906.
2796         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
2797         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
2798         Add gfx906.
2800 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2802         PR tree-optimization/90332
2803         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
2804         Handle VALS containing two vectors.
2805         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
2806         to...
2807         (@aarch64_combinez<mode>): ... This.
2808         (*aarch64_combinez_be<mode>): Rename to...
2809         (@aarch64_combinez_be<mode>): ... This.
2810         (vec_init<mode><Vhalf>): New define_expand.
2811         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
2813 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
2815         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
2816         library functions only when not optimizing for size.
2817         (ashlsi3): Likewise.
2818         (ashrhi3): Likewise.
2819         (ashrsi3): Likewise.
2820         (lshrhi3): Likewise.
2821         (lshrsi3): Likewise.
2823 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
2825         PR rtl-optimization/88751
2826         * ira.c (ira): Use the number of the actually referenced registers
2827         when calculating the threshold.
2829 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
2831         * configure: Regenerate.
2833 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
2835         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
2836         register if it is in memory, so the shift can be emulated with a rotate
2837         instruction.
2838         (ashrhi3): Likewise.
2839         (lshrhi3): Likewise.
2841 2019-06-06  Martin Liska  <mliska@suse.cz>
2843         PR tree-optimization/87954
2844         * match.pd: Simplify mult where both arguments are 0 or 1.
2846 2019-06-06  Richard Biener  <rguenther@suse.de>
2848         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
2849         put equivalences on UNDEFINED ranges.
2850         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
2851         Make sure to drop defs of stmts added during simplification
2852         to VARYING.
2854 2019-06-06  Richard Biener  <rguenther@suse.de>
2856         * tree-ssa-structalias.c: Include tree-cfg.h.
2857         (make_heapvar): Do not make heap vars artificial.
2858         (find_func_aliases_for_builtin_call): Handle stack allocation
2859         functions.
2860         (find_func_aliases): Delay processing of simple enough returns
2861         in non-IPA mode.
2862         (set_uids_in_ptset): Adjust.
2863         (find_what_var_points_to): Likewise.
2864         (solve_constraints): Do not dump points-to sets here.
2865         (compute_points_to_sets): Post-process return statements,
2866         amending the escaped solution.  Dump points-to sets afterwards.
2867         (ipa_pta_execute): Dump points-to sets.
2869 2019-06-06  Martin Liska  <mliska@suse.cz>
2871         PR web/87933
2872         * doc/install.texi: Fix HTML headers and
2873         titles for 'Installing GCC' pages.
2875 2019-06-06  Martin Liska  <mliska@suse.cz>
2877         * ipa-icf-gimple.h (dump_message_1): Remove.
2878         (dump_message): Likewise.
2879         (return_false_with_message_1): Print also file.
2880         (return_false_with_msg): Likewise.
2881         (return_with_result): Likewise.
2882         (return_with_debug): Likewise.
2883         * ipa-icf.c (sem_function::equals_private): Remove call
2884         to dump_message.
2886 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
2888         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
2889         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
2890         memory operand for it.
2891         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
2893 2019-06-05  Martin Sebor  <msebor@redhat.com>
2895         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
2896         Adjust quoting and hyphenation.
2897         * convert.c (convert_to_real_1): Same.
2898         * gcc.c (driver_wrong_lang_callback): Same.
2899         (driver::handle_unrecognized_options): Same.
2900         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
2901         * opts-common.c (cmdline_handle_error): Same.
2902         (read_cmdline_option): Same.
2903         * opts-global.c (complain_wrong_lang): Same.
2904         (print_ignored_options): Same.
2905         (handle_common_deferred_options): Same.
2906         * pretty-print.h: Same.
2907         * print-rtl.c (debug_bb_n_slim): Same.
2908         * sched-rgn.c (make_pass_sched_fusion): Same.
2909         * tree-cfg.c (verify_gimple_assign_unary): Same.
2910         (verify_gimple_label): Same.
2911         * tree-ssa-operands.c (verify_ssa_operands): Same.
2912         * varasm.c (do_assemble_alias): Same.
2913         (assemble_alias): Same.
2915 2019-06-05  Richard Henderson  <rth@twiddle.net>
2917         * config/alpha/alpha.c (direct_return): Move down after
2918         struct machine_function definition; use saved frame_size;
2919         return bool.
2920         (struct machine_function): Add sa_mask, sa_size, frame_size.
2921         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
2922         (alpha_compute_frame_layout): ... new function.
2923         (TARGET_COMPUTE_FRAME_LAYOUT): New.
2924         (alpha_initial_elimination_offset): Use saved sa_size.
2925         (alpha_vms_initial_elimination_offset): Likewise.
2926         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
2927         (alpha_expand_prologue): Use saved frame data.  Merge integer
2928         and fp register save loops.
2929         (alpha_expand_epilogue): Likewise.
2930         (alpha_start_function): Use saved frame data.
2931         * config/alpha/alpha-protos.h (direct_return): Update.
2932         (alpha_sa_size): Remove.
2934 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
2936         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
2937         multiplication by a power-of-two value.
2938         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
2939         and turn the modulo operation into a masking operation.
2941 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
2943         PR debug/90733
2944         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
2945         with VOIDmode inner operands.
2947 2019-06-05  Richard Biener  <rguenther@suse.de>
2949         PR middle-end/90726
2950         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2951         turn an expression graph into a tree.
2953 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
2955         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
2956         member.
2957         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
2958         treat it like explicit monotonic schedule modifier.
2959         (expand_omp_for): Initialize has_lastprivate_conditional.
2960         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
2961         schedule modifier.
2963         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
2964         references, lookup in in hash map MEM_REF operand instead of the
2965         MEM_REF itself.
2966         (lower_omp_1): When looking for lastprivate conditional assignments,
2967         handle MEM_REFs with REFERENCE_TYPE operands.
2969         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
2970         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
2971         and references a VLA.  Handle references to non-VLAs if is_simd
2972         all privatization clauses like reductions.
2973         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
2974         If omp_is_reference, use always omp simd arrays and set
2975         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
2976         fails, emit reference initialization.
2978 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
2980         PR target/89803
2981         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
2982         _mm_mask_fpclass_sd_mask): New intrinsics.
2983         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
2984         * config/i386/i386-builtin.def
2985         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
2986         New builtins.
2987         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
2988         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
2989         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
2990         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
2991         case QI_FTYPE_V2SF_INT): Ditto.
2992         * config/i386/sse.md
2993         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
2994         Extended to insnstructions with mask operands.
2996 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2998         * config/rs6000/constraints.md (define_register_constraint "wp"):
2999         Delete.
3000         (define_register_constraint "wq"): Delete.
3001         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3002         (rs6000_init_hard_regno_mode_ok): Adjust.
3003         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3004         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
3005         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
3006         (define_mode_attr VSa): Delete.
3007         (define_mode_attr VSisa): New.
3008         (rest of file): Adjust.
3009         * doc/md.texi (Machine Constraints): Adjust.
3011 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3013         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
3014         (define_attr "enabled"): Handle those new isa values.
3016 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3018         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
3019         (define_mode_attr VSr5): Delete.
3020         (define_mode_attr VStype_sqrt): Delete.
3021         (define_mode_iterator VSX_SPDP): Delete.
3022         (define_mode_attr VS_spdp_res): Delete.
3023         (define_mode_attr VS_spdp_insn): Delete.
3024         (define_mode_attr VS_spdp_type): Delete.
3025         (*vsx_sqrt<mode>2): Adjust.
3026         (vsx_<VS_spdp_insn>): Delete, split to...
3027         (vsx_xscvdpsp): ... this.  New.  And...
3028         (vsx_xvcvspdp): ... this.  New.  And...
3029         (vsx_xvcvdpsp): ... this.  New.
3031 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3033         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
3034         and V2DF.
3035         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
3036         (rest of file): Adjust.
3038 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3040         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
3041         (vsx_extract_<mode>_var): Ditto.
3043 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3045         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
3046         with just "wa".
3048 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3050         * config/rs6000/constraints.md (define_register_constraint "ww"):
3051         Delete.
3052         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3053         (rs6000_init_hard_regno_mode_ok): Adjust.
3054         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3055         RS6000_CONSTRAINT_ww.
3056         * config/rs6000/rs6000.md: Adjust.
3057         * config/rs6000/vsx.md: Adjust.
3058         * doc/md.texi (Machine Constraints): Adjust.
3060 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3062         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
3063         (define_mode_attr sd): New.
3064         (define_mode_attr s): New.
3065         (define_mode_attr Ftrad): Delete.
3066         (define_mode_attr Fvsx): Delete.
3067         (define_mode_attr Fs): Delete.
3068         (rest of file): Use the new mode attributes.
3069         * config.rs6000/vsx.md: Use the new mode attributes.
3071 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3073         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
3074         with just "wa".
3076 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3078         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
3079         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
3080         used with VSX_B, VSX_D, or VSX_F, with just "wa".
3082 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
3084         PR target/78263
3085         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
3086         C++ with strict ANSI requirements.
3088 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
3090         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
3091         computations when step is 1.
3093 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3095         * config/rs6000/constraints.md (define_register_constraint "wf"):
3096         Delete.
3097         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3098         (rs6000_init_hard_regno_mode_ok): Adjust.
3099         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3100         RS6000_CONSTRAINT_wf.
3101         * config/rs6000/rs6000.md: Adjust.
3102         * config/rs6000/vsx.md: Adjust.
3103         * doc/md.texi (Machine Constraints): Adjust.
3105 2019-06-04  Andrew Pinski  <apinski@marvell.com>
3107         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
3108         Fix ILP32 value.
3110 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3112         * config/rs6000/constraints.md (define_register_constraint "wd"):
3113         Delete.
3114         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3115         (rs6000_init_hard_regno_mode_ok): Adjust.
3116         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3117         RS6000_CONSTRAINT_wd.
3118         * config/rs6000/rs6000.md: Adjust.
3119         * config/rs6000/vsx.md: Adjust.
3120         * doc/md.texi (Machine Constraints): Adjust.
3122 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3124         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
3125         (rest of file): Adjust.
3127 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3129         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
3130         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
3131         (vsx_splat_<mode>_reg): Adjust.
3133 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3135         * config/rs6000/constraints.md (define_register_constraint "ws"):
3136         Delete.
3137         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3138         (rs6000_init_hard_regno_mode_ok): Adjust.
3139         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3140         RS6000_CONSTRAINT_ws.
3141         * config/rs6000/rs6000.md: Adjust.
3142         * config/rs6000/vsx.md: Adjust.
3143         * doc/md.texi (Machine Constraints): Adjust.
3145 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3147         * config/rs6000/constraints.md (define_register_constraint "wv"):
3148         Delete.
3149         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3150         (rs6000_init_hard_regno_mode_ok): Adjust.
3151         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3152         RS6000_CONSTRAINT_wv.
3153         * config/rs6000/rs6000.md: Adjust.
3154         * config/rs6000/vsx.md: Adjust.
3155         * doc/md.texi (Machine Constraints): Adjust.
3157 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
3159         * config/rs6000/constraints.md (define_register_constraint "wi"):
3160         Delete.
3161         (define_register_constraint "wt"): Delete.
3162         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3163         (rs6000_init_hard_regno_mode_ok): Adjust.
3164         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3165         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
3166         * config/rs6000/rs6000.md: Adjust.
3167         * config/rs6000/vsx.md: Adjust.
3168         * doc/md.texi (Machine Constraints): Adjust.
3170 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
3172         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
3173         const.
3174         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
3175         default_elf_asm_output_external.
3177 2019-06-04  Martin Liska  <mliska@suse.cz>
3179         * ipa-icf.c (INCLUDE_LIST): Remove.
3180         (sem_item_optimizer::execute): Remove call to init_wpa.
3181         * ipa-icf.h (init_wpa): Remove.
3183 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
3185         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
3186         conditional on combined for simd.
3187         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
3188         member.
3189         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
3190         constructs, don't remove lastprivate_conditional_map, but instead set
3191         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
3192         to parent construct temporaries.
3193         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
3194         like !ctx->lastprivate_conditional_map.
3195         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
3196         use up->outer context instead of up.
3197         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
3198         gimple_omp_for_combined_p.
3199         (expand_omp_for_static_nochunk): Likewise.
3200         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
3201         probably moved over into expand_omp_for_generic rather than being copied
3202         there.
3204 2019-06-04  Martin Liska  <mliska@suse.cz>
3206         * value-prof.c (dump_histogram_value): Fix typo.
3207         (gimple_mod_subtract_transform): Likewise.
3209 2019-06-04  Richard Biener  <rguenther@suse.de>
3211         PR middle-end/90726
3212         * tree-chrec.c (chrec_contains_symbols): Add to visited.
3213         (tree_contains_chrecs): Likewise.
3214         (chrec_contains_symbols_defined_in_loop): Move here and avoid
3215         exponential behaivor from ...
3216         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3217         ... here.
3218         (expression_expensive_p): Avoid exponential behavior and compute
3219         expanded size, rejecting any expansion.
3220         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
3221         (idx_contains_abnormal_ssa_name_p): Likewise.
3222         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
3223         (contains_abnormal_ssa_name_p): Simplify and use
3224         walk_tree_without_duplicates.
3226 2019-06-04  Richard Biener  <rguenther@suse.de>
3228         PR tree-optimization/90738
3229         Revert
3230         2019-06-03  Richard Biener  <rguenther@suse.de>
3232         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
3233         full reference tree and record in ref->ref.
3234         (vn_reference_lookup_3): Pass in original ref to
3235         ao_ref_init_from_vn_reference.
3236         (vn_reference_lookup): Likewise.
3237         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
3238         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
3239         Handle non-decl bases in the original reference.
3241 2019-06-04  Martin Liska  <mliska@suse.cz>
3243         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
3244         number of references.
3245         (sem_item_optimizer::do_congruence_step):
3246         (sem_item_optimizer::worklist_push): Dump how references
3247         a class has.
3248         (sem_item_optimizer::worklist_pop): Use heap.
3249         (sem_item_optimizer::process_cong_reduction): Likewise.
3250         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
3252 2019-06-04  Martin Liska  <mliska@suse.cz>
3254         * ipa-icf.h (struct sem_usage_pair_hash): New.
3255         (sem_usage_pair_hash::hash): Likewise.
3256         (sem_usage_pair_hash::equal): Likewise.
3257         (struct sem_usage_hash): Likewise.
3258         * ipa-icf.c (sem_item::sem_item): Initialize
3259         referenced_by_count.
3260         (sem_item::add_reference): Register a reference
3261         in ref_map and not in target->usages.
3262         (sem_item::setup): Remove initialization of
3263         dead vectors.
3264         (sem_item::~sem_item): Remove usage of dead vectors.
3265         (sem_item::dump): Remove dump of references.
3266         (sem_item_optimizer::sem_item_optimizer): Initialize
3267         m_references.
3268         (sem_item_optimizer::read_section): Remove useless
3269         dump.
3270         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
3271         (sem_item_optimizer::build_graph): Pass m_references
3272         to ::add_reference.
3273         (sem_item_optimizer::verify_classes): Remove usage of dead
3274         vectors.
3275         (sem_item_optimizer::traverse_congruence_split): Return true
3276         when a class is split.
3277         (sem_item_optimizer::do_congruence_step_for_index): Use
3278         hash_map for look up of (sem_item *, index). That brings
3279         significant speed up.
3280         (sem_item_optimizer::do_congruence_step): Return true
3281         when a split is done.
3282         (congruence_class::is_class_used): Use referenced_by_count.
3284 2019-06-04  Alan Modra  <amodra@gmail.com>
3286         PR target/90689
3287         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
3288         error.
3290 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
3292         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
3293         * config/rs6000/rs6000.c (direct_move_p): Adjust.
3294         (rs6000_secondary_reload_simple_move): Adjust.
3295         (rs6000_opt_masks): Neuter the "mfpgpr" option.
3296         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
3297         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
3298         comment.
3299         (power6x): Adjust.
3300         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
3301         (floatunssi<mode>2_lfiwzx): Adjust.
3302         (fix_trunc<mode>si2_stfiwx): Adjust.
3303         (fixuns_trunc<mode>si2_stfiwx): Adjust.
3304         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
3305         (mfpgpr): Mark as deprecated.
3306         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
3307         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
3308         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
3310 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
3312         * config/rs6000/constraints.md (define_register_constraint "wg"):
3313         Delete.
3314         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3315         RS6000_CONSTRAINT_wg.
3316         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3317         (rs6000_init_hard_regno_mode_ok): Adjust.
3318         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
3319         Delete "wg" alternatives.
3320         * doc/md.texi (Machine Constraints): Adjust.
3322 2019-06-03  Alan Modra  <amodra@gmail.com>
3324         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
3325         (get_uncond_jump_length): Assert length less than INT_MAX and
3326         non-negative.
3328 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
3330         PR middle-end/64242
3331         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
3332         block.
3333         (expand_builtin_nonlocal_goto): Likewise.
3335 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
3337         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
3338         (aarch64_asm_output_external): Declare.
3339         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
3340         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
3341         (aarch64_asm_output_alias): New.
3342         (aarch64_asm_output_external): New.
3343         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
3344         (ASM_OUTPUT_EXTERNAL): Define.
3346 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
3347         * tree-vrp.h (value_range_base::nonzero_p): New.
3348         (value_range_base::set_nonnull): Rename to...
3349         (value_range_base::set_nonzero): ...this.
3350         (value_range_base::set_null): Rename to...
3351         (value_range_base::set_zero): ...this.
3352         (value_range::set_nonnull): Remove.
3353         (value_range::set_null): Remove.
3354         * tree-vrp.c (range_is_null): Remove.
3355         (range_is_nonnull): Remove.
3356         (extract_range_from_binary_expr): Use value_range_base::*zero_p
3357         instead of range_is_*null.
3358         (extract_range_from_unary_expr): Same.
3359         (value_range_base::set_nonnull): Rename to...
3360         (value_range_base::set_nonzero): ...this.
3361         (value_range::set_nonnull): Remove.
3362         (value_range_base::set_null): Rename to...
3363         (value_range_base::set_zero): ...this.
3364         (value_range::set_null): Remove.
3365         (extract_range_from_binary_expr): Rename set_*null uses to
3366         set_*zero.
3367         (extract_range_from_unary_expr): Same.
3368         (union_helper): Same.
3369         * vr-values.c (get_value_range): Use set_*zero instead of
3370         set_*null.
3371         (vr_values::extract_range_from_binary_expr): Same.
3372         (vr_values::extract_range_basic): Same.
3374 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
3376         PR driver/90684
3377         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
3379 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3381         * config/aarch64/iterators.md (MAX_OPP): New code attr.
3382         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
3383         (aarch64_<su>abd<mode>_3): ... This.
3384         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
3386 2019-06-03  Richard Biener  <rguenther@suse.de>
3388         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
3389         full reference tree and record in ref->ref.
3390         (vn_reference_lookup_3): Pass in original ref to
3391         ao_ref_init_from_vn_reference.
3392         (vn_reference_lookup): Likewise.
3393         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
3394         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
3395         Handle non-decl bases in the original reference.
3397 2019-06-03  Martin Liska  <mliska@suse.cz>
3399         * doc/generic.texi: Remove Java Trees.
3401 2019-06-03  Martin Liska  <mliska@suse.cz>
3403         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
3404         returns 0 when operands are equal.
3406 2019-06-03  Richard Biener  <rguenther@suse.de>
3408         PR tree-optimization/90716
3409         * tree-loop-distribution.c (destroy_loop): Process blocks in
3410         correct order.
3412 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3414         PR target/88837
3415         * vector-builder.h (vector_builder::count_dups): New method.
3416         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
3417         Declare prototype.
3418         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
3419         (vec_init<mode><Vel>): New pattern.
3420         * config/aarch64/aarch64.c (emit_insr): New function.
3421         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
3422         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
3423         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
3424         (aarch64_sve_expand_vector_init): Define two overloaded functions.
3426 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3428         PR tree-optimization/90681
3429         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
3430         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
3431         special case for SLP, but fail on non-groupped loads.
3433 2019-06-03  Martin Liska  <mliska@suse.cz>
3435         * cfg.c (debug): Use TDF_DETAILS for debug and
3436         print edge info only once.
3438 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
3440         PR fortran/90539
3441         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
3443 2019-06-01  Martin Sebor  <msebor@redhat.com>
3445         PR middle-end/90694
3446         * tree-pretty-print.c (dump_generic_node): Add parentheses.
3448 2019-05-31  Jan Hubicka  <jh@suse.cz>
3450         * alias.c: Include ipa-utils.h.
3451         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
3452         * ipa-devirt.c (prevailing_odr_type): New.
3453         * ipa-utils.h (previaling_odr_type): Declare.
3455 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
3456             Hongtao Liu  <hongtao.liu@intel.com>
3458         PR target/89355
3459         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
3460         NOTE_INSN_DELETED_LABEL check.
3462 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
3463             Robert Suchanek  <robert.suchanek@mips.com>
3465         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
3466         and 3rd operands of the fmadd/fmsub/maddv builtin.
3468 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
3470         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
3471         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
3472         on OMP_SIMD if not nested inside of worksharing loop that also has
3473         lastprivate conditional clause for the same decl.
3474         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
3475         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
3476         on simd.
3477         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
3478         on simd construct.
3479         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
3480         on simd construct.
3481         (lower_lastprivate_clauses): Likewise.
3482         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
3483         calling lower_rec_input_clauses.
3484         (lower_omp_for): Likewise.
3485         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
3486         clause on simd construct.
3487         * omp-expand.c (expand_omp_simd): Initialize cond_var if
3488         OMP_CLAUSE__CONDTEMP_ clause is present.
3490         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
3491         ivar and lvar.
3493 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
3495         PR c/43673
3496         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
3497         TEX_D32, TEX_D64 or TEX_D128.
3499 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
3501         * match.pd (~(vec?cst1:cst2)): New transformation.
3503 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
3505         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
3506         ((size_t)(A /[ex] B) CMP C): New transformation.
3508 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
3510         * doc/md.texi: Document define_insn_and_rewrite.
3511         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
3512         * gensupport.c (queue_elem): Update comment.
3513         (replace_operands_with_dups): New function.
3514         (gen_rewrite_sequence): Likewise.
3515         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
3516         * read-rtl.c (apply_subst_iterator): Likewise.
3517         (add_condition_to_rtx, named_rtx_p): Likewise.
3518         (rtx_reader::read_rtx_operand): Likewise.
3519         * config/aarch64/aarch64-sve.md
3520         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
3521         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
3522         define_insn_and_rewrite.
3523         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
3524         Remove separate define_split.
3526 2019-05-31  Jan Hubicka  <jh@suse.cz>
3528         * tree-ssa-alias.c (type_has_components_p): New function.
3529         (aliasing_component_refs_p): Use it.
3531 2019-05-31  Martin Liska  <mliska@suse.cz>
3533         * gdbhooks.py: Add const_tree to TreePrinter.
3535 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
3537         PR debug/86964
3538         * common.opt (feliminate-unused-debug-symbols): Enable by default.
3539         * doc/invoke.texi (Debugging Options): Document new default of
3540         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
3542 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
3544         PR tree-optimization/90671
3545         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
3546         template_block used to be empty on the first call, don't use
3547         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
3548         seq with bb_seq and set it with set_bb_seq.
3550 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
3552         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
3554 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
3555             Michael Meissner  <meissner@linux.ibm.com>
3557         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
3558         (prefixed_mem_operand): Likewise.
3559         (non_prefixed_mem_operand): Likewise.
3560         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
3561         prototype.
3562         * config/rs6000/rs6000.c (print_operand_address): Handle
3563         PC-relative addresses.
3564         (mode_supports_prefixed_address_p): New function.
3565         (rs6000_prefixed_address): New function.
3566         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
3567         (SYMBOL_REF_PCREL_P): Likewise.
3569 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
3571         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
3572         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
3573         (gimplify_omp_for): If worksharing loop with lastprivate conditional
3574         is nested inside of parallel region, add _condtemp_ clause to both.
3575         * tree-nested.c (convert_nonlocal_omp_clauses,
3576         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
3577         assertion failure.
3578         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
3579         member.
3580         * omp-general.c (omp_extract_for_data): Compute it.
3581         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
3582         (lower_rec_input_clauses): Likewise.
3583         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
3584         clause is already present, just add one further one after it.
3585         (lower_lastprivate_clauses): Handle cond_ptr with array type.
3586         (lower_send_shared_vars): Clear _condtemp_ vars.
3587         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
3588         or section or taskgroup.
3589         * omp-expand.c (determine_parallel_type): Disallow combining only if
3590         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
3591         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
3592         (expand_omp_for_generic, expand_omp_for_static_nochunk,
3593         expand_omp_for_static_chunk, expand_omp_for): Use
3594         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
3595         determine if a special set of API routines are needed and if condtemp
3596         needs to be initialized, while always initialize cond_var if
3597         fd->lastprivate_conditional is non-zero.
3599 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
3600             Michael Meissner  <meissner@linux.ibm.com>
3602         * config/rs6000/constraints.md (eI): New constraint.
3603         * config/rs6000/predicates.md (cint34_operand): New predicate.
3604         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
3605         (SIGNED_34BIT_OFFSET_P): Likewise.
3606         * doc/md.texi (eI): Document constraint.
3608 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
3610         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
3612 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
3613             Michael Meissner  <meissner@linux.ibm.com>
3615         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
3616         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
3617         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
3618         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
3619         (OTHER_FUTURE_MASKS): Likewise.
3620         (POWERPC_MASKS): Likewise.
3621         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
3622         specified without -mprefixed-addr or -mcpu=future.  Error if
3623         -mprefixed-addr is specified without -mcpu=future.
3624         (rs6000_opt_masks): Add entry for prefixed-addr.
3625         * rs6000.opt (mprefixed-addr): New option.
3627 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
3629         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add 
3630         cfun->is_thunk check.
3632 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
3634         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
3635         to length.
3637 2019-05-30  Martin Liska  <mliska@suse.cz>
3639         * gdbinit.in: Fix 'ptc' command.  Add trt
3640         that prints TREE_TYPE($).
3642 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
3643             Alan Modra  <amodra@gmail.com>
3645         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
3646         calls here...
3647         (rs6000_indirect_call_template_1): ...and here.
3648         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
3649         plt16_ha, plt16_lo, mtctr indirect calls.  Use
3650         rs6000_pltseq_enum.
3651         (rs6000_decl_ok_for_sibcall): New function.
3652         (rs6000_function_ok_for_sibcall): Refactor.
3653         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
3654         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
3655         when pcrel.  Reorganize.
3656         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
3657         * rs6000.h (rs6000_pltseq_enum): New enum.
3658         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
3659         (*pltseq_tocsave): Use rs6000_pltseq_enum.
3660         (*pltseq_plt16_ha): Likewise.
3661         (*pltseq_plt16_lo): Likewise.
3662         (*pltseq_mtctr): Likewise.
3663         (*pltseq_plt_pcrel): New insn.
3664         (*call_local_aix): Handle @notoc calls.
3665         (*call_value_local_aix): Likewise.
3666         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
3667         (*call_value_nonlocal_aix): Likewise.
3668         (*call_indirect_pcrel): New insn.
3669         (*call_value_indirect_pcrel): Likewise.
3672 2019-05-29  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3674         * config/i386/sse.md (*save_multiple<mode>): Rename from
3675         save_multiple<mode>.
3676         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
3677         (*restore_multiple_and_return<mode>): Rename from
3678         restore_multiple_and_return<mode>.
3679         (*restore_multiple_leave_return<mode>): Rename from
3680         restore_multiple_leave_return<mode>.
3682 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
3684         * config.gcc (rx-*-linux*): New target.
3685         * config/rx/elf.opt: New file.
3686         * config/rx/linux.h: Likewise.
3687         * config/rx/t-linux: Likewise.
3688         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
3689         make it zero.
3690         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
3691         (ASM_APP_OFF): Likewise.
3692         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
3693         moved elsewhere.
3695 2019-05-29  Jan Hubicka  <jh@suse.cz>
3697         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
3698         variants are pointer equivalent.
3700 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3702         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
3703         * config/aarch64/aarch64-sve2.md: New file.
3704         (<u>avg<mode>3_floor): New pattern.
3705         (<u>avg<mode>3_ceil): Likewise.
3706         (*<sur>h<addsub><mode>): Likewise.
3707         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
3708         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
3710 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
3712         PR bootstrap/90543
3713         * optc-save-gen.awk: In cl_optimization_print, use correct condition
3714         for var_opt_string printing.  In cl_optimization_print_diff, print
3715         (null) instead of invoking undefined behavior if one of the
3716         var_opt_string pointers is NULL and use && instead of first || in the
3717         guarding condition.  For var_target_other options, handle const char *
3718         target variables similarly to const char * optimize node variables.
3720 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
3722         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
3723         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
3724         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
3725         Add autib1716 and pacib1716 initialisation.
3726         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
3727         for autib1716 and pacib1716.
3728         * config/aarch64/aarch64-protos.h (aarch64_key_type,
3729         aarch64_post_cfi_startproc): Define.
3730         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
3731         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
3732         aarch64_handle_pac_ret_protection): Set default sign key to A.
3733         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
3734         aarch64_expand_prologue): Add check for b-key.
3735         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
3736         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
3737         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
3738         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
3739         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
3740         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
3741         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
3742         * config/aarch64/aarch64.md (do_return): Add check for b-key.
3743         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
3744         pauth_hint_num_a with pauth_hint_num.
3745         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
3746         pauth_hint_num_a with pauth_hint_num.
3747         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
3748         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
3749         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
3750         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
3751         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
3752         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
3753         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
3754         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
3755         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
3756         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
3757         UNSPEC_AUTIA1716 respectively.
3758         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
3759         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
3760         * doc/invoke.texi (-mbranch-protection): Add b-key type.
3761         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
3762         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
3764 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
3766         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
3767         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
3768         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
3769         explicit clause on combined parallel into implicit shared clause.
3770         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
3771         and firstprivate if the decl has one too from combined parallel to
3772         the worksharing construct.
3774 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
3775             Michael Meissner  <meissner@linux.ibm.com>
3777         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
3779 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
3781         * rtl.h (LABEL_REF_P): New #define.
3783 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
3785         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
3787 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3789         * internal-fn.c: Marked mask_load_direct as vectorizable.
3790         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
3791         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
3792         combined even if masks different with allow_slp_p param.
3793         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
3794         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
3795         dissolve SLP-only vectorizable groups when SLP has been discarded.
3796         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
3797         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
3798         masks.
3799         (vect_build_slp_tree_1): Fixed comment typo.
3800         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
3801         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
3802         loads for SLP only.
3803         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
3804         vectorizable.
3805         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
3807 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3809         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
3810         Remove obsolete use_thunk reference.
3811         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
3812         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
3813         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
3814         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
3815         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3816         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3817         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3818         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
3819         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
3821 2019-05-28  Nathan Sidwell  <nathan@acm.org>
3823         * tree.h (IDENTIFIER_ANON_P): New.
3824         (anon_aggrname_format, anon_aggname_p): Don't declare.
3825         (make_anon_name): Declare.
3826         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
3827         (hash_tree): Likewise.
3828         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
3829         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
3830         (anon_cnt, make_anon_name): New.
3832 2019-05-28  Martin Liska  <mliska@suse.cz>
3834         PR other/90315
3835         * opts-global.c (decode_options): Print help for all
3836         help_option_arguments.
3837         * opts.c (print_help): Add new argument.
3838         (common_handle_option): Remember all values into
3839         help_option_arguments.
3840         * opts.h (print_help): Add new argument.
3842 2019-05-28  Martin Liska  <mliska@suse.cz>
3844         PR ipa/90555
3845         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
3846         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
3847         (func_checker::compare_bb): Call compare_loops.
3849 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
3851         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
3852         on sections construct.
3853         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
3854         construct.
3855         (lower_omp_sections): Handle lastprivate conditional.
3856         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
3857         lastprivate_conditional_map.
3858         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
3860         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
3861         critical, taskgroup and section regions when looking for a region
3862         with non-NULL lastprivate_conditional_map.
3864 2019-05-27  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3866         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
3867         (*ix86_gen_sub3): Ditto.
3868         (*ix86_gen_sub3_carry): Ditto.
3869         (*ix86_gen_one_cmpl2): Ditto.
3870         (*ix86_gen_andsp): Ditto.
3871         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
3872         (gen_and2_insn): New static function.
3873         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
3874         Use gen_add3_insn instead of ix86_gen_add3.
3875         (ix86_expand_split_stack_prologue): Use gen_add2_insn
3876         instead of ix86_gen_add3.
3877         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
3878         Use gen_sub3_insn instead of ix86_gen_sub3.
3879         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
3880         instead of ix86_gen_add3.
3881         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
3882         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
3883         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
3884         * config/i386/i386-options.c (ix86_option_override_internal):
3885         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
3886         ix86_gen_one_cmpl2 and ix86_gen_andsp.
3888 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
3890         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
3891         and DW_OP_GNU_const_index opcodes.
3893 2019-05-27  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3895         * config/i386/i386.h (STACK_SIZE_MODE): Define.
3897 2019-05-27  Richard Biener  <rguenther@suse.de>
3899         PR tree-optimization/90637
3900         * tree-ssa-sink.c (statement_sink_location): Honor the
3901         computed sink location for single-uses.
3903 2019-05-27  Richard Biener  <rguenther@suse.de>
3905         PR middle-end/90610
3906         * match.pd (vec_perm): Avoid clobbering op0 when not generating
3907         a bit-insert.
3909 2019-05-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3911         * config/i386/i386.md (@sub<mode>3_carry): Rename
3912         from sub<mode>3_carry.
3913         (@leave_<mode>): New expander.
3914         (*leave): Rename from leave.
3915         (*leave_rex64): Rename from leave_rex64.
3916         (@monitorx_<mode>): Rename from monitorx_<mode>.
3917         (@clzero_<mode>): Rename from clzero_<mode>.
3918         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
3919         from sse3_monitor_<mode>.
3920         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
3921         (*ix86_gen_leave): Ditto.
3922         (*ix86_gen_monitor): Ditto.
3923         (*ix86_gen_monitorx): Ditto.
3924         (*ix86_gen_clzero): Ditto.
3925         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
3926         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
3927         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
3928         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
3929         Use gen_sse3_monitor instead of ix86_gen_monitor.
3930         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
3931         instead of ix86_gen_monitorx.
3932         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
3933         instead of ix86_gen_clzero.
3934         * config/i386/i386-options.c (ix86_option_override_internal):
3935         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
3936         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
3938 2019-05-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3940         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
3941         Rename from tls_global_dynamic_64_<mode>.
3942         (@tls_local_dynamic_base_64_<mode>): Rename from
3943         tls_local_dynamic_base_64_<mode>.
3944         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
3945         Remove indirect function.
3946         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
3947         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
3948         instead of ix86_gen_tls_global_dynamic_64.
3949         Use gen_tls_local_dynamic_base_64 instead of
3950         ix86_gen_tls_local_dynamic_base_64.
3951         * config/i386/i386-options.c (ix86_option_override_internal):
3952         Do not initialize ix86_gen_tls_global_dynamic_64 and
3953         ix86_gen_tls_local_dynamic_base_64.
3955 2019-05-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
3957         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
3958         Rename from pro_epilogue_adjust_stack_<mode>_add.
3959         (@pro_epilogue_adjust_stack_sub_<mode>)
3960         Rename from pro_epilogue_adjust_stack_<mode>_sub.
3961         (@allocate_stack_worker_probe_<mode>):
3962         Rename from allocate_stack_worker_probe_<mode>.
3963         (allocate_stack): Use gen_allocate_stack_worker_probe.
3964         (probe_stack): Use gen_probe_stack_1.
3965         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
3966         (@adjust_stack_and_probe_<mode>): Rename from
3967         adjust_stack_and_probe<mode>.
3968         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
3969         (stack_protect_set): Use gen_stack_protect_set_1.
3970         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
3971         (stack_protect_test): Use gen_stack_protect_test_1.
3972         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
3973         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
3974         Remove indirect function.
3975         (*ix86_gen_adjust_stack_and_probe): Ditto.
3976         (*ix86_gen_probe_stack_range): Ditto.
3977         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
3978         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
3979         (ix86_adjust_stack_and_probe_stack_clash): Use
3980         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
3981         (ix86_adjust_stack_and_probe): Ditto.
3982         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
3983         of ix86_gen_probe_stack_range.
3984         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
3985         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
3986         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
3987         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
3988         CODE_FOR_stack_protect_test_{si,di}.
3989         * config/i386/i386-options.c (ix86_option_override_internal):
3990         Do not initialize ix86_gen_allocate_stack_worker,
3991         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
3993 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
3995         * doc/invoke.texi (Link Options): Many editorial changes around
3996         -flinker-output.
3998 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4000         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
4001         pre-Solaris 11 referene and most Studio compiler details.
4003 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
4005         PR target/90530
4006         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
4007         DImode to SImode in floating-point registers on 64-bit target.
4008         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
4009         register_operand in xmpyu patterns.
4011 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
4013         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
4014         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
4015         OMP_CLAUSE__REDUCTEMP_.
4016         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
4017         OMP_CLAUSE__CONDTEMP_.
4018         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
4019         * tree-pretty-print.c (dump_omp_clause): Likewise.
4020         * tree-nested.c (convert_nonlocal_omp_clauses,
4021         convert_local_omp_clauses): Likewise.
4022         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
4023         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
4024         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
4025         on OMP_FOR.
4026         (gimplify_omp_for): Warn and disable conditional modifier from
4027         lastprivate on loop iterators.
4028         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
4029         member.
4030         * omp-general.c (omp_extract_for_data): Initialize it.
4031         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
4032         member.
4033         (delete_omp_context): Delete it.
4034         (lower_lastprivate_conditional_clauses): New function.
4035         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
4036         handle lastprivate conditional clauses.
4037         (lower_reduction_clauses): Add CLIST argument, emit it into
4038         the critical section if any.
4039         (lower_omp_sections): Adjust lower_lastprivate_clauses and
4040         lower_reduction_clauses callers.
4041         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
4042         to lower_lastprivate_clauses.
4043         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
4044         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
4045         clist into a critical section if not emitted there already by
4046         lower_reduction_clauses.
4047         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
4048         callers.
4049         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
4050         conditional variables.
4051         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
4052         clause is present.
4053         (expand_omp_for_generic, expand_omp_for_static_nochunk,
4054         expand_omp_for_static_chunk): Handle lastprivate conditional.
4055         (expand_omp_for): Handle fd.lastprivate_conditional like
4056         fd.have_reductemp.
4058 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
4060         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
4061         kernel does not exit cleanly.
4062         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
4064 2019-05-24  Jason Merrill  <jason@redhat.com>
4066         Revert:
4067         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
4069 2019-05-24  Richard Biener  <rguenther@suse.de>
4071         PR testsuite/90607
4072         * tree-loop-distribution.c (struct partition): Add location
4073         member.
4074         (partition_alloc): Initialize all fields.
4075         (generate_memset_builtin): Use the location recorded in the
4076         partition for the generated call.
4077         (generate_memcpy_builtin): Likewise.
4078         (classify_partition): Record the location of a single store
4079         as location for the partition.
4081 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
4083         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
4084         for lo-part.
4086 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
4088         PR target/90588
4089         * common/config/aarch64/aarch64-common.c
4090         (aarch64_rewrite_selected_cpu): Change local temporary variable
4091         type from unsigned long to uint64_t.
4092         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
4093         aarch64_get_extension_string_for_isa_flags): Change declaration to
4094         match new definition by replacing unsigned long with uint64_t.
4096 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
4098         PR target/90568
4099         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
4100         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
4101         Handle stack_protect_test_<mode> codegen similarly to corresponding
4102         sub instruction.
4104 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
4106        * config/i386/darwin.h: Reject -mfentry*.
4107        * doc/sourcebuild.texi: Document mfentry target support.
4109 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
4111         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
4112         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
4113         false for PC-relative functions.
4114         (rs6000_output_function_prologue): Change called function name to
4115         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
4116         name,1" for PC-relative functions.
4117         (rs6000_elf_declare_function_name): Change called function name to
4118         rs6000_global_entry_point_prologue_needed_p.
4120 2019-05-23  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4122         PR target/90552
4123         * config/i386/i386.c (gen_rtx_cost):
4124         Use ix86_tune_cost instead of ix86_cost.
4126 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
4127             Michael Meissner  <meissner@linux.ibm.com>
4128             Segher Boessenkool  <segher@kernel.crashing.org>
4130         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
4131         OPTION_MASK_PCREL.
4132         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
4133         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
4134         (rs6000_fndecl_pcrel_p): Likewise.
4135         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
4136         error if -mpcrel is requested without -mcpu=future.
4137         (rs6000_opt_masks): Add entry for pcrel.
4138         (rs6000_fndecl_pcrel_p): New function.
4139         (rs6000_pcrel_p): Likewise.
4140         * config/rs6000/rs6000.opt (mpcrel): New option.
4141         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
4143 2019-05-23  Jan Hubicka  <jh@suse.cz>
4144             Martin Liska  <mliska@suse.cz>
4146         PR tree-optimization/90576
4147         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
4148         poly_int_tree_p.
4149         (aliasing_component_refs_p): Fix three way size compare conditional;
4150         give up earlier in case we can not decide on equivalence.
4152 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
4153             Michael Meissner  <meissner@linux.ibm.com>
4154             Segher Boessenkool  <segher@kernel.crashing.org>
4156         * config.gcc: Add future cpu.
4157         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
4158         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
4159         #define.
4160         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
4161         (RS6000_CPU): New instantiation for future cpu.
4162         * config/rs6000/rs6000-opts.h (enum processor_type): Add
4163         PROCESSOR_FUTURE.
4164         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
4165         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
4166         * config/rs6000/rs6000-tables.opt: Regenerate.
4167         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
4168         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
4169         (rs6000_machine_from_flags): Handle future cpu.
4170         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
4171         PROCESSOR_POWER9 for now.
4172         (rs6000_adjust_cost): Likewise.
4173         (rs6000_issue_rate): Likewise.
4174         (rs6000_register_move_cost): Likewise.
4175         (rs6000_opt_masks): Add entry for future.
4176         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
4177         (MASK_FUTURE): New #define.
4178         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
4179         * config/rs6000/rs6000.opt (mfuture): New target option.
4180         * doc/invoke.texi (mcpu): Add future cpu.
4182 2019-05-23  Martin Liska  <mliska@suse.cz>
4184         PR c++/90587
4185         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
4186         operation points to a temporary (pointed via tree_to_wide_ref)
4187         that is out of scope after the &.
4189 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
4191         PR c++/90592
4192         * doc/extend.texi (Function Names): Add missing word.
4194 2019-05-23  Richard Biener  <rguenther@suse.de>
4196         PR tree-optimization/88440
4197         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
4198         at -O[2s]+.
4199         * tree-loop-distribution.c (generate_memset_builtin): Fold the
4200         generated call.
4201         (generate_memcpy_builtin): Likewise.
4202         (distribute_loop): Pass in whether to only distribute patterns.
4203         (prepare_perfect_loop_nest): Also allow size optimization.
4204         (pass_loop_distribution::execute): When optimizing a loop
4205         nest for size allow pattern replacement.
4207 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
4209         PR target/90568
4210         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
4211         of xor.
4213 2019-05-23  Martin Liska  <mliska@suse.cz>
4215         PR sanitizer/90570
4216         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
4217         expression similarly to gimplify_decl_expr.
4219 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4221         * cse.c (cse_dump_path): s/dump_file/f.
4223 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
4225         PR c++/90462
4226         * diagnostic-format-json.cc: Include "selftest.h".
4227         (json_from_expanded_location): Only add "file" key for non-NULL
4228         file strings.
4229         (json_from_location_range): Don't add "start" and "finish"
4230         children if they are UNKNOWN_LOCATION.
4231         (selftest::test_unknown_location): New selftest.
4232         (selftest::test_bad_endpoints): New selftest.
4233         (selftest::diagnostic_format_json_cc_tests): New function.
4234         * json.cc (json::object::get): New function.
4235         (selftest::test_object_get): New selftest.
4236         (selftest::json_cc_tests): Call it.
4237         * json.h (json::object::get): New decl.
4238         * selftest-run-tests.c (selftest::run_tests): Call
4239         selftest::diagnostic_format_json_cc_tests.
4240         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
4241         decl.
4243 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
4244             Andrew Stubbs  <amd@codesourcery.com>
4246         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
4247         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
4248         (kernel): Rename to...
4249         (main_kernel): ... this.
4250         (load_image): Load _init_array and _fini_array kernels.
4251         (run): Add argument for kernel to run.
4252         (main): Run init_array_kernel before main_kernel, and
4253         fini_array_kernel after.
4254         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
4255         amdgpu_hsa_kernel attribute on functions.
4256         (gcn_disable_constructors): Delete.
4257         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
4258         * config/gcn/crt0.c (size_t): Define.
4259         (_init_array, _fini_array): New.
4260         (__preinit_array_start, __preinit_array_end,
4261         __init_array_start, __init_array_end,
4262         __fini_array_start, __fini_array_end): Declare weak references.
4264 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
4266         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
4268 2019-05-22  Jason Merrill  <jason@redhat.com>
4270         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
4272 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
4274         PR target/88483
4275         * config/i386/i386-options.c (ix86_init_machine_status): Set
4276         stack_frame_required to true.
4277         * config/i386/i386.c (ix86_get_frame_size): New function.
4278         (ix86_frame_pointer_required): Replace get_frame_size with
4279         ix86_get_frame_size.
4280         (ix86_compute_frame_layout): Likewise.
4281         (ix86_find_max_used_stack_alignment): Changed to void.  Set
4282         stack_frame_required.
4283         (ix86_finalize_stack_frame_flags): Always call
4284         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
4285         ix86_get_frame_size.
4286         * config/i386/i386.h (machine_function): Add stack_frame_required.
4288 2019-05-22  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4290         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
4292 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
4294         * common/config/aarch64/aarch64-common.c
4295         (struct aarch64_option_extension, struct processor_name_to_arch,
4296         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
4297         aarch64_contains_opt,
4298         aarch64_get_extension_string_for_isa_flags): Change type of
4299         variables storing flags to uint64_t.
4300         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
4301         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
4302         * config/aarch64/aarch64.c (struct processor,
4303         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
4304         aarch64_validate_march, aarch64_override_options,
4305         aarch64_option_print, aarch64_handle_attr_isa_flags,
4306         aarch64_declare_function_name, aarch64_start_file): Make flag
4307         variables uint64_t.
4308         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
4309         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
4310         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
4311         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
4312         * config/aarch64/driver-aarch64.c
4313         (struct aarch64_arch_extension, struct aarch64_core_data,
4314         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
4315         flag variables uint64_t.
4316         * doc/invoke.texi: Add documentation for new arguments.
4318 2019-05-22  Richard Biener  <rguenther@suse.de>
4320         * alias.c (ao_ref_from_mem): Move stack-slot sharing
4321         rewrite ...
4322         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
4324 2019-05-22  Martin Liska  <mliska@suse.cz>
4326         PR lto/90500
4327         * doc/extend.texi: Document the change.
4329 2019-05-22  Richard Biener  <rguenther@suse.de>
4331         PR tree-optimization/90450
4332         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
4333         (mem_ref_hasher::equal): Check it.
4334         (mem_ref_alloc): Initialize it.
4335         (gather_mem_refs_stmt): Set it.
4337 2019-05-22  Richard Biener  <rguenther@suse.de>
4339         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
4340         Add ABS_EXPR.
4341         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
4342         as ABSU_EXPR.
4344 2019-05-22  Alan Modra  <amodra@gmail.com>
4346         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
4347         (ASM_CPU_SPEC): Conditionally add -many.
4348         * config/rs6000/rs6000.c (rs6000_machine): New static var.
4349         (rs6000_machine_from_flags, emit_asm_machine): New functions..
4350         (rs6000_file_start): ..extracted from here, and modified to
4351         test all ISA bits.
4352         (rs6000_output_function_prologue): Emit .machine as necessary.
4353         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
4354         power mnemonics.
4355         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
4356         added by check_vect_support_and_set_flags.
4357         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
4358         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
4360 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
4362         PR middle-end/90553
4363         * ira-lives.c (process_bb_node_lives): Consider defs
4364         for a call insn to be die before the call, not after.
4366         * function.c (assign_parm_setup_block): Raise alignment of
4367         stacked parameter only for STRICT_ALIGNMENT targets.
4369 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4371         * config/rs6000/constraints.md (define_register_constraint "wz"):
4372         Delete.
4373         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4374         RS6000_CONSTRAINT_wz.
4375         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4376         (rs6000_init_hard_regno_mode_ok): Adjust.
4377         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
4378         * doc/md.texi (Machine Constraints): Adjust.
4380 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4382         * config/rs6000/constraints.md (define_register_constraint "wl"):
4383         Delete.
4384         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4385         RS6000_CONSTRAINT_wl.
4386         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4387         (rs6000_init_hard_regno_mode_ok): Adjust.
4388         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
4389         * doc/md.texi (Machine Constraints): Adjust.
4391 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4393         * config/rs6000/constraints.md (define_register_constraint "wm"):
4394         Delete.
4395         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4396         RS6000_CONSTRAINT_wm.
4397         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4398         (rs6000_init_hard_regno_mode_ok): Adjust.
4399         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
4400         * doc/md.texi (Machine Constraints): Adjust.
4402 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4404         * config/rs6000/constraints.md (define_register_constraint "wk"):
4405         Delete.
4406         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4407         RS6000_CONSTRAINT_wk.
4408         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4409         (rs6000_init_hard_regno_mode_ok): Adjust.
4410         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
4411         * doc/md.texi (Machine Constraints): Adjust.
4413 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4415         * config/rs6000/constraints.md (define_register_constraint "wj"):
4416         Delete.
4417         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4418         RS6000_CONSTRAINT_wj.
4419         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4420         (rs6000_init_hard_regno_mode_ok): Adjust.
4421         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
4422         (VS_64dm): Delete.
4423         * config/rs6000/vsx.md: Ditto.
4424         * doc/md.texi (Machine Constraints): Adjust.
4426 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
4428         * config/rs6000/constraints.md (define_register_constraint "wh"):
4429         Delete.
4430         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4431         RS6000_CONSTRAINT_wh.
4432         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4433         (rs6000_init_hard_regno_mode_ok): Adjust.
4434         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
4435         * doc/md.texi (Machine Constraints): Adjust.
4437 2019-05-21  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4439         PR target/90547
4440         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4441         Avoid calling gen_lowpart with CONST operand.
4443 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
4445         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
4446         field template_last_to_copy.
4447         (ssa_create_duplicates): Set it, and use it.  Attempt to
4448         preserve more debug stmts.
4450 2019-05-21  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4452         * config/i386/sse.md (VF1_AVX2): New mode iterator.
4453         (signbit<mode>2): New expander
4455 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
4457         PR bootstrap/87338
4458         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
4459         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
4461 2019-05-21  UroÅ¡ Bizjak  <ubizjak@gmail.com>
4463         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
4464         %ebx and %ecx bafore calling cpuid with leaf 1 or
4465         non-constant leaf argument.
4467 2019-05-21  Alan Modra  <amodra@gmail.com>
4469         PR target/90545
4470         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
4471         power9 direct move cost.
4472         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
4473         Correct comments and rename functions to suit parameters.
4475 2019-05-21  Richard Biener  <rguenther@suse.de>
4477         PR middle-end/90510
4478         * fold-const.c (fold_read_from_vector): New function.
4479         * fold-const.h (fold_read_from_vector): Declare.
4480         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
4481         single-element insert permutations.  Canonicalize selector
4482         further and fix issue with last commit.
4484 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
4486         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
4487         parameter with default value false to declaration.
4488         (split_edges_for_insertion): New inline function.  Wrapper for
4489         split_critical_edges with for_edge_insertion_p = true.
4490         * tree-cfg.c (split_critical_edges): Don't split non-critical
4491         edges if for_edge_insertion_p is false.  Fix whitespace.
4492         * tree-ssa-pre.c (pass_pre::execute): Call
4493         split_edges_for_insertion instead of split_critical_edges.
4494         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
4495         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
4496         (pass_data_sink_code): Update function name in the comment.
4498 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
4500         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
4501         around is_value_included_in that knows how to handle BIT_AND_EXPR.
4502         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
4503         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
4504         positives.
4506 2019-05-21  Martin Liska  <mliska@suse.cz>
4508         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
4509         an extra newline.
4510         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
4511         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
4512         vec_lvsr.
4513         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4514         Quote a C type.
4515         (rs6000_function_arg): Likewise.
4516         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
4517         (rs6000_expand_ternop_builtin): Use interval syntax.
4518         (get_element_number): Likewise.
4519         (altivec_expand_builtin): Likewise.
4520         (rs6000_get_function_versions_dispatcher): Quote target_clones.
4522 Fix test-suite.
4524 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
4526         PR c++/59813
4527         PR target/90418
4528         * function.h (struct function): Add calls_eh_return member.
4529         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
4530         gimplifying __builtin_eh_return call.
4531         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
4532         to cfun.
4533         (expand_call_inline): Or in src_cfun->calls_eh_return into
4534         dst_cfun->calls_eh_return.
4535         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
4536         cfun->calls_eh_return.
4537         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
4538         * lto-streamer-out.c (output_struct_function_base): Write
4539         calls_eh_return.
4541 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
4543         PR rtl-optimization/43147
4544         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
4545         IX86_BUILTIN_SHUFPD.
4547 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
4549         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
4550         (refs_may_alias_p_1): ... here; update stats.
4551         (refs_may_alias_p): Do not update stats here.
4553 2019-05-20  Richard Biener  <rguenther@suse.de>
4555         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
4556         doesn't produce pointers.
4557         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
4558         the first operand points to.
4560 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
4562         * tree-ssa-alias.c (compare_sizes): New function.
4563         (sompare_type_sizes): New function
4564         (aliasing_component_refs_p): Use it.
4565         (indirect_ref_may_alias_decl_p): Likewise.
4567 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4569         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
4571 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4573         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
4574         (LIBLSAN_EARLY_SPEC): Likewise.
4575         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
4577 2019-05-20  Martin Liska  <mliska@suse.cz>
4579         * config/i386/i386.c (ix86_libc_has_fast_function):
4580         Add ATTRIBUTE_UNUSED for the argument.
4582 2019-05-20  Richard Biener  <rguenther@suse.de>
4584         * gimple-match-head.c: Include vec-perm-indices.h.
4585         * generic-match-head.c: Likewise.
4586         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
4587         is included.
4588         * fold-const.c (fold_vec_perm): Export.
4589         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
4590         (match.pd): ...here.
4592 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
4594         * cfgloop.h (struct loop): Add simdlen member.
4595         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
4596         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
4597         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
4598         as new argument to autovectorize_vector_sizes target hook.  If
4599         loop->simdlen, pick up vector size where the vectorization factor
4600         is equal to loop->simd, and if there is none, fall back to the first
4601         successful one.
4602         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
4603         caller.
4604         * omp-low.c (omp_clause_aligned_alignment): Likewise.
4605         * omp-general.c (omp_max_vf): Likewise.
4606         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
4607         * tree-vect-slp.c (vect_slp_bb): Likewise.
4608         * target.def (autovectorize_vector_sizes): Add ALL argument and
4609         document it.
4610         * doc/tm.texi: Adjust documentation.
4611         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
4612         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
4613         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
4614         bool argument.
4615         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
4616         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
4617         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
4618         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
4619         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
4620         preferred vector size is not 512-bit or 256-bit, just put those
4621         unpreferred ones last.
4623 2019-05-20  Martin Liska  <mliska@suse.cz>
4625         * targhooks.c (default_libc_has_fast_function): New function.
4626         * targhooks.h (default_libc_has_fast_function): Likewise.
4628 2019-05-20  Martin Liska  <mliska@suse.cz>
4630         PR middle-end/90263
4631         * builtins.c (expand_builtin_memory_copy_args): When having a
4632         target with fast mempcpy implementation do now use memcpy.
4633         * config/i386/i386.c (ix86_libc_has_fast_function): New.
4634         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
4635         * doc/tm.texi: Likewise.
4636         * doc/tm.texi.in: Likewise.
4637         * target.def:
4638         * expr.c (emit_block_move_hints): Add 2 new arguments.
4639         * expr.h (emit_block_move_hints): Bail out when libcall
4640         to memcpy would be used.
4642 2019-05-20  Martin Liska  <mliska@suse.cz>
4644         * profile-count.c: Add vertical spacing in order
4645         to separate functions.
4646         * profile-count.h: Likewise.
4648 2019-05-20  Martin Liska  <mliska@suse.cz>
4650         * profile-count.h: Do not use full qualified
4651         names if possible.
4652         * profile-count.c (profile_count::to_frequency): Likewise.
4654 2019-05-20  Martin Liska  <mliska@suse.cz>
4656         * profile-count.h (enum profile_quality): Use capital letters
4657         for enum value names.  Use the adjusted names.
4658         * profile-count.c: Use the adjusted names.
4660 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4662         * config/rs6000/constraints.md (define_register_constraint "wH"):
4663         Delete.
4664         (define_register_constraint "wI"): Delete.
4665         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4666         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
4667         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4668         (rs6000_init_hard_regno_mode_ok): Adjust.
4669         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
4670         resp. "d", or with "wa" as appropriate, all with "p8v".
4671         * config/rs6000/vsx.md: Ditto.
4672         * doc/md.texi (Machine Constraints): Adjust.
4674 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4676         * config/rs6000/constraints.md (define_register_constraint "wy"):
4677         Delete.
4678         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4679         RS6000_CONSTRAINT_wy.
4680         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4681         (rs6000_init_hard_regno_mode_ok): Adjust.
4682         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
4683         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
4684         (define_mode_attr Fisa): New.
4685         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
4686         * doc/md.texi (Machine Constraints): Adjust.
4688 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4690         * config/rs6000/constraints.md (define_register_constraint "wu"):
4691         Delete.
4692         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4693         RS6000_CONSTRAINT_wu.
4694         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4695         (rs6000_init_hard_regno_mode_ok): Adjust.
4696         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
4697         both with "p8v".
4698         (define_mode_attr Fa): Delete.
4699         * config/rs6000/vsx.md: Ditto.
4700         * doc/md.texi (Machine Constraints): Adjust.
4702 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4704         * config/rs6000/constraints.md (define_register_constraint "wJ"):
4705         Delete.
4706         (define_register_constraint "wK"): Delete.
4707         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4708         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
4709         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4710         (rs6000_init_hard_regno_mode_ok): Adjust.
4711         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
4712         Replace "wK" constraint by "wH" with "p9v".
4713         * config/rs6000/vsx.md: Ditto.
4714         * doc/md.texi (Machine Constraints): Adjust.
4716 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4718         * config/rs6000/constraints.md (define_register_constraint "wb"):
4719         Delete.
4720         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4721         RS6000_CONSTRAINT_wb.
4722         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4723         (rs6000_init_hard_regno_mode_ok): Adjust.
4724         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
4725         * config/rs6000/vsx.md: Ditto.
4726         * doc/md.texi (Machine Constraints): Adjust.
4728 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4730         * config/rs6000/constraints.md (define_register_constraint "wo"):
4731         Delete.
4732         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4733         RS6000_CONSTRAINT_wo.
4734         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4735         (rs6000_init_hard_regno_mode_ok): Adjust.
4736         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
4737         * config/rs6000/altivec.md: Ditto.
4738         * doc/md.texi (Machine Constraints): Adjust.
4740 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
4742         * config/darwin-c.c (darwin_register_objc_includes): Do not
4743         prepend the sysroot when building gnu-runtime header search
4744         paths.
4746 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
4748         * config/darwin.c (darwin_file_end): Use switch_to_section ()
4749         instead of direct output of the asm.
4751 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
4753         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
4754         argument to be type bool (was int before).
4755         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
4756         at first use.  Use type bool for some variables.  Fix a theoretical
4757         eh_return bug for svr4.
4759 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
4761         * config/rs6000/rs6000.md (isa): New attribute.
4762         (enabled): New attribute.
4764 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
4766         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
4767         assemble_start_function and assemble_end_function.
4769 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
4771         PR middle-end/89433
4772         * omp-general.c (oacc_verify_routine_clauses): Change formal
4773         parameters.  Add checking if already marked with an OpenACC
4774         'routine' directive.  Adjust all users.
4776         PR middle-end/89433
4777         * omp-general.c (oacc_build_routine_dims): Move some of its
4778         processing into...
4779         (oacc_verify_routine_clauses): ... this new function.
4780         * omp-general.h (oacc_verify_routine_clauses): New prototype.
4782 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
4784         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
4785         formating of picbase labels to match other ports.
4787 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
4789         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
4790         in the generated code.
4792 2019-05-16  Martin Sebor  <msebor@redhat.com>
4794         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
4795         identifiers, keywords, operators, and types in diagnostics.  Correct
4796         quoting, spelling, and sentence capitalization issues.
4797         (expand_builtin_atomic_is_lock_free): Same.
4798         (fold_builtin_next_arg): Same.
4799         * cfgexpand.c (expand_one_var): Same.
4800         (tree_conflicts_with_clobbers_p): Same.
4801         (expand_asm_stmt): Same.
4802         (verify_loop_structure): Same.
4803         * cgraphunit.c (process_function_and_variable_attributes): Same.
4804         * collect-utils.c (collect_execute): Same.
4805         * collect2.c (maybe_run_lto_and_relink): Same.
4806         (is_lto_object_file): Same.
4807         (scan_prog_file): Same.
4808         * convert.c (convert_to_real_1): Same.
4809         * dwarf2out.c (dwarf2out_begin_prologue): Same.
4810         * except.c (verify_eh_tree): Same.
4811         * gcc.c (execute): Same.
4812         (eval_spec_function): Same.
4813         (run_attempt): Same.
4814         (driver::set_up_specs): Same.
4815         (compare_debug_auxbase_opt_spec_function): Same.
4816         * gcov-tool.c (unlink_gcda_file): Same.
4817         (do_merge): Same.
4818         (do_rewrite): Same.
4819         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
4820         * gimplify.c (gimplify_asm_expr): Same.
4821         (gimplify_adjust_omp_clauses): Same.
4822         * hsa-gen.c (gen_hsa_addr_insns): Same.
4823         (gen_hsa_insns_for_load): Same.
4824         (gen_hsa_cmp_insn_from_gimple): Same.
4825         (gen_hsa_insns_for_operation_assignment): Same.
4826         (gen_get_level): Same.
4827         (gen_hsa_alloca): Same.
4828         (omp_simple_builtin::generate): Same.
4829         (gen_hsa_atomic_for_builtin): Same.
4830         (gen_hsa_insns_for_call): Same.
4831         * input.c (dump_location_info): Same.
4832         * ipa-devirt.c (compare_virtual_tables): Same.
4833         * ira.c (ira_setup_eliminable_regset): Same.
4834         * lra-assigns.c (lra_assign): Same.
4835         * lra-constraints.c (lra_constraints): Same.
4836         * lto-streamer-in.c (lto_input_mode_table): Same.
4837         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
4838         (merge_and_complain): Same.
4839         (compile_offload_image): Same.
4840         (compile_images_for_offload_targets): Same.
4841         (debug_objcopy): Same.
4842         (run_gcc): Same.
4843         (main): Same.
4844         * opts.c (print_specific_help): Same.
4845         (parse_no_sanitize_attribute): Same.
4846         (print_help): Same.
4847         (handle_param): Same.
4848         * plugin.c (add_new_plugin): Same.
4849         (parse_plugin_arg_opt): Same.
4850         (try_init_one_plugin): Same.
4851         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
4852         operators, and types in diagnostics.  Correct quoting and spelling
4853         issues.
4854         * read-rtl-function.c (parse_edge_flag_token): Same.
4855         (function_reader::parse_enum_value): Same.
4856         * reg-stack.c (check_asm_stack_operands): Same.
4857         * regcprop.c (validate_value_data): Same.
4858         * sched-rgn.c (make_pass_sched_fusion): Same.
4859         * stmt.c (check_unique_operand_names): Same.
4860         * targhooks.c (default_target_option_pragma_parse): Same.
4861         * tlink.c (recompile_files): Same.
4862         * toplev.c (process_options): Same.
4863         (do_compile): Same.
4864         * trans-mem.c (diagnose_tm_1): Same.
4865         (ipa_tm_scan_irr_block): Same.
4866         (ipa_tm_diagnose_transaction): Same.
4867         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
4868         format a tree code name in a diagnostic.
4869         (verify_types_in_gimple_min_lval): Same.
4870         (verify_types_in_gimple_reference): Same.
4871         (verify_gimple_call): Same.
4872         (verify_gimple_assign_unary): Same.
4873         (verify_gimple_assign_binary): Same.
4874         (verify_gimple_assign_ternary): Same.
4875         (verify_gimple_assign_single): Same.
4876         (verify_gimple_switch): Same.
4877         (verify_gimple_label): Same.
4878         (verify_gimple_phi): Same.
4879         (verify_gimple_in_seq): Same.
4880         (verify_eh_throw_stmt_node): Same.
4881         (collect_subblocks): Same.
4882         (gimple_verify_flow_info): Same.
4883         (do_warn_unused_result): Same.
4884         * tree-inline.c (expand_call_inline): Same.
4885         * tree-into-ssa.c (update_ssa): Same.
4886         * tree.c (tree_int_cst_elt_check_failed): Same.
4887         (tree_vec_elt_check_failed): Same.
4888         (omp_clause_operand_check_failed): Same.
4889         (verify_type_variant): Same.
4890         (verify_type): Same.
4891         * value-prof.c (verify_histograms): Same.
4892         * varasm.c (assemble_start_function): Same.
4894 2019-05-16  Martin Sebor  <msebor@redhat.com>
4896         * config/i386/i386-expand.c (get_element_number): Quote keywords
4897         and other internal names in diagnostics.  Adjust other diagnostic
4898         formatting issues noted by -Wformat-diag.
4899         * config/i386/i386-features.c
4900         (ix86_mangle_function_version_assembler_name): Same.
4901         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
4902         * config/i386/i386.c (ix86_function_type_abi): Same.
4903         (ix86_function_ms_hook_prologue): Same.
4904         (classify_argument): Same.
4905         (ix86_expand_prologue): Same.
4906         (ix86_md_asm_adjust): Same.
4907         (ix86_memmodel_check): Same.
4909 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
4911         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
4912         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
4913         and fpxx modes.
4915 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
4917         PR target/90497
4918         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
4919         intrinsics without SSE/SSE2/SSSE3.
4920         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
4921         check.
4922         (*mmx_uavgv8qi3): Likewise.
4924 2019-05-17  Richard Biener  <rguenther@suse.de>
4926         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
4927         VEC_PERM_EXPR as __VEC_PERM with -gimple.
4929 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
4931         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
4932         vec_sldw insn pattern.
4934 2019-05-17  Richard Biener  <rguenther@suse.de>
4936         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
4938 2019-05-17  Martin Liska  <mliska@suse.cz>
4940         PR driver/90496
4941         * toplev.c (output_stack_usage): With LTO and sanitizer it
4942         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
4943         has no file location.
4945 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
4947         PR c++/90484
4948         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
4949         sz0 is equal to sz1, instead return false in that case.
4951         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
4952         has non-constant expression, force sctx.lane and use two
4953         argument IFN_GOMP_SIMD_LANE instead of single argument.
4954         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
4955         two argument IFN_GOMP_SIMD_LANE without lhs.
4956         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
4957         member.
4958         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
4959         Define.
4960         (LOOP_REQUIRES_VERSIONING): Or in
4961         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
4962         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
4963         simd_if_cond.
4964         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
4965         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
4966         from simd if clause if needed.
4968 2019-05-16  Richard Biener  <rguenther@suse.de>
4970         * tree-affine.c (expr_to_aff_combination): New function split
4971         out from...
4972         (tree_to_aff_combination): ... here.
4973         (aff_combination_expand): Avoid building a GENERIC tree.
4975 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
4977         * cgraphunit.c (cgraph_node::expand_thunk): Remove
4978         assemble_start_function and assemble_end_function calls.
4979         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
4980         assemble_start_function and assemble_end_function.
4981         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
4982         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
4983         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
4984         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
4985         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
4986         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
4987         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
4988         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
4989         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
4990         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4991         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4992         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
4993         Likewise.
4994         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
4995         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
4996         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
4997         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
4998         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
4999         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
5000         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
5001         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
5002         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
5003         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
5004         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
5005         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
5006         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
5007         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
5008         Likewise.
5009         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
5010         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
5011         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
5013 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
5015         * tree-ssa-alias.c (alias_stats): Add
5016         aliasing_component_refs_p_may_alias and
5017         aliasing_component_refs_p_no_alias.
5018         (dump_alias_stats): Print aliasing_component_refs_p stats.
5019         (aliasing_component_refs_p): Update stats.
5021 2019-05-16  Martin Liska  <mliska@suse.cz>
5023         PR lto/90500
5024         * multiple_target.c (expand_target_clones): Do not allow
5025         target_clones being used with a symbol that is an alias.
5027 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
5029         PR tree-optimization/90394
5030         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
5031         positives rather than ICE for cases where (code2 == NE_EXPR
5032         && code1 == BIT_AND_EXPR).
5034 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
5036         PR fortran/90329
5037         * tree-core.h (struct tree_decl_common): Document
5038         decl_nonshareable_flag for PARM_DECLs.
5039         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
5040         * calls.c (expand_call): Don't try tail call if caller
5041         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
5042         passed on the stack and callee needs to pass any arguments on the
5043         stack.
5044         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
5045         else if instead of series of mutually exclusive ifs.  Handle
5046         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
5047         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
5049         * lto-streamer.h (LTO_major_version): Bump to 9.
5051 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
5053         PR tree-optimization/90106
5054         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
5055         new parameter as new internal function call, also move it to new
5056         basic block.
5057         (use_internal_fn): Pass internal function call to
5058         shrink_wrap_one_built_in_call_with_conds.
5060 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
5062         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
5063         max_vf to 1.
5064         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
5065         safelen_int and set loop->dont_vectorize.
5067 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5069         PR target/89021
5070         * config/i386/i386-builtin.def: Enable MMX intrinsics with
5071         SSE/SSE2/SSSE3.
5072         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
5073         Likewise.
5074         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
5075         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
5076         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
5077         is defined.
5079 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5081         PR target/89021
5082         * config/i386/mmx.md (*vec_dupv2sf): Changed to
5083         define_insn_and_split to support SSE emulation.
5084         (*vec_extractv2sf_0): Likewise.
5085         (*vec_extractv2sf_1): Likewise.
5086         (*vec_extractv2si_0): Likewise.
5087         (*vec_extractv2si_1): Likewise.
5088         (*vec_extractv2si_zext_mem): Likewise.
5089         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
5090         (vec_extractv2sf_1 splitter): Likewise.
5091         (vec_extractv2sfsf): Likewise.
5092         (vec_setv2si): Likewise.
5093         (vec_extractv2si_1 splitter): Likewise.
5094         (vec_extractv2sisi): Likewise.
5095         (vec_setv4hi): Likewise.
5096         (vec_extractv4hihi): Likewise.
5097         (vec_setv8qi): Likewise.
5098         (vec_extractv8qiqi): Likewise.
5099         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
5100         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
5101         (vec_extractv2sisi): Likewise.
5102         (vec_extractv4hihi): Likewise.
5103         (vec_extractv8qiqi): Likewise.
5104         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
5105         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
5106         (vec_initv2sisi): Likewise.
5107         (vec_initv4hihi): Likewise.
5108         (vec_initv8qiqi): Likewise.
5109         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
5110         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
5111         (vec_setv4hi): Likewise.
5112         (vec_setv8qi): Likewise.
5114 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5116         PR target/89021
5117         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
5118         TARGET_MMX_WITH_SSE.
5119         (MMXMODE:*mov<mode>_internal): Likewise.
5120         (MMXMODE:movmisalign<mode>): Likewise.
5122 2019-05-15  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5124         PR target/89021
5125         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
5126         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
5127         (sse2_cvtpd2pi): Ditto.
5128         (sse2_cvttpd2pi): Ditto.
5129         (*vec_concatv2sf_sse4_1): Ditto.
5130         (*vec_concatv2sf_sse): Ditto.
5131         (*vec_concatv2si_sse4_1): Ditto.
5132         (*vec_concatv2si): Ditto.
5133         (*vec_concatv4si_0): Ditto.
5134         (*vec_concatv2di_0): Ditto.
5136 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5138         PR target/89021
5139         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
5141 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5143         PR target/89021
5144         * config/i386/sse.md (ssse3_palignrdi): Changed to
5145         define_insn_and_split to support SSE emulation.
5147 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5149         PR target/89021
5150         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
5152 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5154         PR target/89021
5155         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
5156         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
5157         SSE emulation.
5159 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5161         PR target/89021
5162         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
5163         or TARGET_MMX_WITH_SSE.
5164         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
5166 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5168         PR target/89021
5169         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
5171 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5173         PR target/89021
5174         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
5175         Changed to define_insn_and_split to support SSE emulation.
5177 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5179         PR target/89021
5180         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
5181         Changed to define_insn_and_split to support SSE emulation.
5183 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5185         PR target/89021
5186         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
5187         (*mmx_<emms>): This.
5188         (mmx_<emms>): New expander.
5190 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5192         PR target/89021
5193         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
5194         support.
5195         (*sse2_umulv1siv1di3): Add SSE2 emulation.
5197 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5199         PR target/89021
5200         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
5202 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5204         PR target/89021
5205         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
5207 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5209         PR target/89021
5210         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
5211         TARGET_MMX_WITH_SSE.
5212         (*mmx_uavgv4hi3): Add SSE emulation.
5214 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5216         PR target/89021
5217         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
5218         and TARGET_MMX_WITH_SSE.
5219         (*mmx_uavgv8qi3): Add SSE emulation.
5221 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5223         PR target/89021
5224         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
5225         maskmovdqu for __MMX_WITH_SSE__.
5227 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5229         PR target/89021
5230         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
5231         TARGET_MMX and TARGET_MMX_WITH_SSE.
5232         (*mmx_umulv4hi3_highpart): Add SSE emulation.
5234 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5236         PR target/89021
5237         * config/i386/mmx.md (mmx_pmovmskb): Changed to
5238         define_insn_and_split to support SSE emulation.
5240 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5242         PR target/89021
5243         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
5244         and TARGET_MMX_WITH_SSE.
5245         (mmx_<code>v8qi3): Likewise.
5246         (smaxmin:<code>v4hi3): New.
5247         (umaxmin:<code>v8qi3): Likewise.
5248         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
5249         (umaxmin:*mmx_<code>v8qi3): Likewise.
5251 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5253         PR target/89021
5254         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
5255         TARGET_MMX_WITH_SSE.
5256         (*mmx_pinsrw): Add SSE emulation.
5258 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5260         PR target/89021
5261         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
5263 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5265         PR target/89021
5266         * config/i386/sse.md (sse_cvtpi2ps): Changed to
5267         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
5268         SSE emulation.
5270 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5272         PR target/89021
5273         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
5274         (sse_cvttps2pi): Likewise.
5276 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5278         PR target/89021
5279         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
5280         TARGET_MMX_WITH_SSE.
5281         (mmx_pshufw_1): Add SSE emulation.
5282         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
5283         TARGET_MMX_WITH_SSE to support SSE emulation.
5285 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5287         PR target/89021
5288         * config/i386/constraints.md (Yw): New constraint.
5289         * config/i386/mmx.md (*vec_dupv2si): Changed to
5290         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
5291         support SSE emulation.
5293 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5295         PR target/89021
5296         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
5297         TARGET_MMX_WITH_SSE.
5298         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
5299         support.
5300         (mmx_gt<mode>3): Likewise.
5302 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5304         PR target/89021
5305         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
5306         TARGET_MMX_WITH_SSE.  Add SSE support.
5308 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5310         PR target/89021
5311         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
5312         TARGET_MMX_WITH_SSE.
5313         (any_logic:<code><mode>3): New.
5314         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
5315         Add SSE support.
5317 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5319         PR target/89021
5320         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
5321         TARGET_MMX_WITH_SSE.  Add SSE emulation.
5322         (mmx_<shift_insn><mode>3): Likewise.
5323         (ashr<mode>3): New.
5324         (<shift_insn><mode>3): Likewise.
5326 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5328         PR target/89021
5329         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
5330         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
5332 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5334         PR target/89021
5335         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
5336         TARGET_MMX_WITH_SSE.
5337         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
5338         SSE support.
5340 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5342         PR target/89021
5343         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
5344         TARGET_MMX_WITH_SSE.
5345         (mulv4hi3): New.
5346         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
5347         support.
5349 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5351         PR target/89021
5352         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
5353         (plusminus:mmx_<plusminus_insn><mode>3): Check
5354         TARGET_MMX_WITH_SSE.
5355         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
5356         (<plusminus_insn><mode>3): New.
5357         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
5358         (*mmx_<plusminus_insn><mode>3): Likewise.
5360 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5362         PR target/89021
5363         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
5364         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
5365         prototype.
5366         * config/i386/mmx.m (mmx_punpckhbw): Changed to
5367         define_insn_and_split to support SSE emulation.
5368         (mmx_punpcklbw): Likewise.
5369         (mmx_punpckhwd): Likewise.
5370         (mmx_punpcklwd): Likewise.
5371         (mmx_punpckhdq): Likewise.
5372         (mmx_punpckldq): Likewise.
5374 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5375             Uros Bizjak  <ubizjak@gmail.com>
5377         PR target/89021
5378         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
5379         New function.
5380         (ix86_split_mmx_pack): Likewise.
5381         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
5382         New prototype.
5383         (ix86_split_mmx_pack): Likewise.
5384         * config/i386/i386.md (mmx_isa): New.
5385         (enabled): Also check mmx_isa.
5386         * config/i386/mmx.md (any_s_truncate): New code iterator.
5387         (s_trunsuffix): New code attr.
5388         (mmx_packsswb): Removed.
5389         (mmx_packssdw): Likewise.
5390         (mmx_packuswb): Likewise.
5391         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
5392         MMX packsswb/packuswb with SSE2.
5393         (mmx_packssdw): Likewise.
5394         * config/i386/predicates.md (register_mmxmem_operand): New.
5396 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5398         PR target/89021
5399         * config/i386/i386-c.c (ix86_target_macros_internal): Define
5400         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
5401         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
5402         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
5403         (ix86_vector_mode_supported_p): Likewise.
5404         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
5406 2019-05-15  Martin Liska  <mliska@suse.cz>
5408         PR middle-end/90478
5409         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
5410         Check for overflow.
5412 2019-05-15  Richard Biener  <rguenther@suse.de>
5414         * tree-into-ssa.c (pass_build_ssa::execute): Run
5415         update_address_taken before going into SSA.
5417 2019-05-15  Richard Biener  <rguenther@suse.de>
5419         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
5420         as __BIT_FIELD_REF with type with -gimple.
5422 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
5424         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
5425         semantically equivalent branches (left over after prior refactorings).
5427 2019-05-15  Richard Biener  <rguenther@suse.de>
5429         PR tree-optimization/88828
5430         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
5431         bogus check.
5433 2019-05-14  Richard Biener  <rguenther@suse.de>
5435         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
5436         as __VIEW_CONVERT with -gimple.
5438 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
5440         PR target/82920
5441         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
5442         Darwin.
5444 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
5446         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
5447         define_split to become a define_insn_and_split.
5449 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
5451         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
5452         arguments.
5453         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
5454         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
5455         (sibcall_epilogue): Adjust.
5456         (epilogue): Adjust.
5458 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5460         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
5461         to unsupported ones.
5462         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
5463         * config.host: Likewise.
5464         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
5465         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
5466         __svr4__]: Remove "brand" fallback.
5467         [!KSTAT_DATA_STRING]: Remove.
5468         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
5469         to *-*-solaris2*.
5470         (comdat_group): Likewise.
5471         (set_have_as_tls): Likewise.
5472         (gcc_cv_target_dl_iterate_phdr): Likewise.
5473         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
5474         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
5475         * configure: Regenerate.
5476         * doc/install.texi: Simplify Solaris target triplets.
5477         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
5478         (Specific, *-*-solaris2*): Document Solaris 10 removal.
5479         Remove Solaris 10 references.
5480         Remove obsolete Solaris bug reference.
5481         (Specific, sparc-sun-solaris2.10): Remove.
5483 2019-05-14  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5485         * config/i386/i386.md (any_div): New code iterator.
5486         (paired_mod): New code attribute.
5487         (sgnprefix): Handle DIV and UDIV RTXes.
5488         (u): Ditto.
5489         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
5490         and udivmod<mode>4 patterns using any_div code iterator.
5491         (divmod splitters): Macroize splitters using any_div code iterator.
5492         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
5493         (*udivmodsi4_pow2_zext_2): Ditto.
5494         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
5495         and *udivmod<mode>4_noext patterns using any_div code iterator.
5496         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
5497         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
5498         patterns using any_div code iterator.
5499         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
5500         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
5501         patterns using any_div code iterator.
5502         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
5503         udivmodhiqi3 patterns using any_extend code iterator.
5505 2019-05-14  Richard Biener  <rguenther@suse.de>
5506             H.J. Lu  <hongjiu.lu@intel.com>
5508         PR tree-optimization/88828
5509         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
5510         permuting in a single non-constant element not extracted
5511         from a vector.
5513 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
5515         * internal-fn.def (SIGNBIT): New.
5516         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
5517         defined.
5518         (signbitv4sf2): Likewise.
5520 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
5522         PR target/90357
5523         * config/mips/mips.c (mips_split_move): Skip forward SRC into
5524         next insn when the SRC reg is dead.
5526 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
5528         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
5529         (alloc_cand_and_find_basis): Ditto.
5530         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
5531         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
5532         (create_add_imm_cand, slsr_process_cast): Ditto.
5533         (slsr_process_copy, replace_mult_candidate): Ditto.
5534         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
5535         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
5536         (pass_strength_reduction::execute): Init the first NULL element.
5538 2019-05-13  Nathan Sidwell  <nathan@acm.org>
5540         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
5541         (run_attempt): Reformat line break.
5543 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
5545         PR target/90418
5546         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
5547         data registers in sibcall epilogues.
5548         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
5550 2019-05-13  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5552         PR target/89221
5553         * configure.ac (--enable-frame-pointer):
5554         Disable by default for cygwin and mingw.
5555         * configure: Regenerate.
5557 2019-05-13  Nathan Sidwell  <nathan@acm.org>
5559         * dwarf2out.c (breakout_comdat_types): Move comment to correct
5560         piece of code.
5561         (const_ok_for_output_1): Balance parens around #if/#else/#endif
5562         (gen_member_die): Move abstract origin check earlier.  Only VARs
5563         can be static_inline_p.  Simplify splicing control flow.
5565 2019-05-13  Richard Biener  <rguenther@suse.de>
5567         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
5568         VIEW_CONVERT_EXPR.
5569         (vect_build_slp_tree_1): Likewise.
5571 2019-05-13  Richard Biener  <rguenther@suse.de>
5573         PR tree-optimization/90402
5574         * tree-if-conv.c (tree_if_conversion): Value number only
5575         the loop body by making the latch an exit of the region
5576         as well.
5577         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
5578         processing PHIs.
5579         (do_rpo_vn): Deal with multiple edges into the entry block
5580         that are not backedges inside the region by skipping PHIs
5581         of the entry block.
5583 2019-05-13  Richard Biener  <rguenther@suse.de>
5585         PR tree-optimization/90316
5586         * tree-ssa-pre.c (insert_aux): Fold into ...
5587         (insert): ... this function.  Use a RPO walk to reduce the
5588         number of required iterations.
5590 2019-05-13  Martin Liska  <mliska@suse.cz>
5592         PR tree-optimization/90416
5593         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
5594         string instead of passing the second part as va_arg argument.
5596 2019-05-13  Martin Liska  <mliska@suse.cz>
5598         PR gcov-profile/90380
5599         * gcov.c (handle_cycle): Do not support zero cycle count,
5600         it should not be possible.
5601         (path_contains_zero_cycle_arc): New function.
5602         (circuit): Ignore zero cycle arc counts.
5604 2019-05-13  Martin Liska  <mliska@suse.cz>
5606         PR gcov-profile/90380
5607         * gcov.c (enum loop_type): Remove the enum and
5608         the operator.
5609         (handle_cycle): Assert that we should not reach
5610         a negative count.
5611         (circuit): Use loop_found instead of a tri-state loop_type.
5612         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
5613         happen.
5615 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
5617         PR target/82920
5618         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
5619         (ix86_output_indirect_branch_via_reg): Use output mechanism
5620         accounting for __USER_LABEL_PREFIX__.
5621         (ix86_output_indirect_branch_via_push): Likewise.
5622         (ix86_output_function_return): Likewise.
5623         (ix86_output_indirect_function_return): Likewise.
5625 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
5627         * doc/md.texi: Document use of code attributes in rtx patterns.
5628         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
5629         * read-rtl.c (find_code): Split out search loops into...
5630         (maybe_find_code): ...this new function.
5631         (check_code_iterator): Make the error message more informative.
5632         (check_code_attribute): New function.
5633         (rtx_reader::rtx_alloc_for_name): Likewise.
5634         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
5635         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
5636         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
5637         <max_opp> directly as an rtx code instead of via a match_operator.
5638         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
5639         (<su>abd<mode>_3): Update accordingly.
5641 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
5643         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
5644         is given, print the state of the EH "save world" computation for
5645         Darwin.
5647 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
5649         PR c++/59813
5650         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
5651         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
5653 2019-05-11  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5655         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
5656         Use pinsrd for TARGET_SSE4_1.
5657         * config/i386/sse.md (movdi_to_sse): Ditto.
5659 2019-05-10  Richard Biener  <rguenther@suse.de>
5661         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
5662         (do_rpo_vn): Initialize next_value_id.
5664 2019-05-10  Martin Liska  <mliska@suse.cz>
5666         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
5667         Fix plural form.
5669 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
5671         PR tree-optimization/90385
5672         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
5673         arguments of the exit phis.
5675         PR c++/90383
5676         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
5677         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
5678         id->do_not_fold.
5679         (copy_tree_body_r): Likewise.
5680         (copy_fn): Set id.do_not_fold to true.
5682 2019-05-10  Martin Liska  <mliska@suse.cz>
5684         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
5685         Reapply changes from r269790.
5687 2019-05-10  Martin Liska  <mliska@suse.cz>
5689         PR middle-end/90340
5690         * doc/invoke.texi: New params.
5691         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
5692         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
5693         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
5694         Use it.
5695         * tree-switch-conversion.h (struct jump_table_cluster):
5696         Likewise.
5698 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
5700         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
5702 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
5704         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
5706 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
5708         PR rtl-optimization/88879
5709         * sel-sched.c (sel_target_adjust_priority): Remove assert.
5711 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
5713         PR target/90405
5714         * config/arm/arm.c (callee_saved_reg_p): Move before
5715         thumb_find_work_register.
5716         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
5717         thumb_find_work_register.  Only call df_get_live_out once.
5718         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
5719         (thumb_find_work_register): Use
5720         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
5721         algorithms to locate a spare call clobbered reg.
5723 2019-05-09  Martin Liska  <mliska@suse.cz>
5725         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
5726         and MAX_EXPR in GIMPLE FE format.
5728 2019-05-09  Martin Liska  <mliska@suse.cz>
5730         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
5731         * gimple-pretty-print.c (dump_gimple_bb_header):
5732         Dump BB count.
5733         (pp_cfg_jump): Dump edge probability.
5734         * profile-count.c (profile_quality_as_string): Simplify
5735         with a static array.
5736         (parse_profile_quality): New function.
5737         (profile_count::dump): Simplify with a static array.
5738         (profile_count::from_gcov_type): Add new argument.
5739         * profile-count.h (parse_profile_quality): Likewise.
5740         * predict.h (set_hot_bb_threshold): New.
5741         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
5742         New param.
5743         * predict.c (get_hot_bb_threshold): Set from the new param.
5744         (set_hot_bb_threshold): New.
5746 2019-05-09  Richard Biener  <rguenther@suse.de>
5748         PR tree-optimization/90395
5749         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
5750         rewrite vector stores that throw internally.
5752 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
5754         * cif-code.def (CHKP): Remove.
5756         PR target/89221
5757         * configure.ac (--enable-frame-pointer): Disable by default for
5758         GNU systems.
5759         * configure: Regenerate.
5761 2019-05-09  Alan Modra  <amodra@gmail.com>
5763         PR target/89271
5764         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
5765         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
5766         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
5767         cost for general <-> vsx when direct moves are available.
5768         Cost union classes at minimal cost for any reg in the class.
5769         Correct calculation for moves between vsx, float, and altivec.
5770         Don't return a low cost for moves between special regs.  Don't
5771         use hard coded register numbers.
5772         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
5773         (rs6000_ira_change_pseudo_allocno_class): New function.
5774         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
5775         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
5776         alternatives.
5777         (movsi_internal1): Don't disparage vector alternatives.
5778         (mov<mode>_internal): Likewise, excepting alternative that
5779         will be split.
5780         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
5781         we <- b alternative.
5783 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
5785         PR c++/59813
5786         PR tree-optimization/89060
5787         * tree-ssa-live.h (live_vars_map): New typedef.
5788         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
5789         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
5790         (struct compute_live_vars_data): New type.
5791         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
5792         live_vars_at_stmt, destroy_live_vars): New functions.
5793         * tree-tailcall.c: Include tree-ssa-live.h.
5794         (live_vars, live_vars_vec): New global variables.
5795         (find_tail_calls): Perform variable life analysis before punting.
5796         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
5797         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
5798         member.
5799         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
5800         Perform variable life analysis to select variables that really need
5801         clobbers added.
5802         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
5803         instead set id->eh_landing_pad_dest and assert it is the same.
5804         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
5806 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
5807             Richard Earnshaw  <rearnsha@arm.com>
5809         PR target/88167
5810         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
5811         function.
5812         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
5813         (thumb1_compute_save_core_reg_mask): Don't force a spare work
5814         register if both the epilogue and prologue can use call-clobbered
5815         regs.
5816         (thumb1_unexpanded_epilogue): Use
5817         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
5818         picking temporaries for restoring high regs to match that of the
5819         prologue where possible.
5820         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
5821         the list of work registers.  Detect if the return address is still live
5822         at the end of the prologue and avoid using it for a work register if so.
5823         If the return address is not live, add LR to the list of pushable regs
5824         after the first pass.
5826 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
5828         PR tree-optimization/90078
5829         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
5830         (INFTY): Increase the value for infinite cost.
5831         (struct comp_cost): Promote type of members to int64_t.
5832         (infinite_cost): Don't set complexity in initialization.
5833         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
5834         overflows to infinite_cost.
5835         (adjust_setup_cost): Promote type of parameter and cost computation
5836         to int64_t.
5837         (struct ainc_cost_data, struct iv_ca): Promote type of member to
5838         int64_t.
5839         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
5840         cost computation to int64_t.
5841         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
5842         int64_t's format specifier in dump.
5844 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
5846         PR tree-optimization/90240
5847         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
5848         with respect to scaling factor pre-computed for each basic block.
5849         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
5850         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
5851         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
5852         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
5853         live range for array of loop's basic blocks.  Cleanup aux field of
5854         loop's basic blocks.
5856 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
5858         PR tree-optimization/90356
5859         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
5861 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
5863         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
5864         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
5865         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
5866         (ix86_handle_option): Handle -mavx512bf16.
5867         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
5868         to extra_headers.
5869         * config/i386/avx512bf16vlintrin.h: New.
5870         * config/i386/avx512bf16intrin.h: New.
5871         * config/i386/cpuid.h (bit_AVX512BF16): New.
5872         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
5873         * config/i386/i386-builtin-types.def: Add new types.
5874         * config/i386/i386-builtin.def: Add new builtins.
5875         * config/i386/i386-c.c (ix86_target_macros_internal): Define
5876         __AVX512BF16__.
5877         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
5878         (ix86_option_override_internal): Handle BF16.
5879         (ix86_valid_target_attribute_inner_p): Ditto.
5880         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
5881         * config/i386/i386-builtin.c (enum processor_features): Add
5882         F_AVX512BF16.
5883         (static const _isa_names_table isa_names_table): Ditto.
5884         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
5885         (PTA_AVX512BF16): Ditto.
5886         * config/i386/i386.opt: Add -mavx512bf16.
5887         * config/i386/immintrin.h: Include avx512bf16intrin.h
5888         and avx512bf16vlintrin.h.
5889         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
5890         avx512f_cvtneps2bf16_<mode><mask_name>,
5891         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
5892         * config/i386/subst.md (mask_half): Add new subst.
5893         * doc/invoke.texi: Document -mavx512bf16.
5895 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
5897         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
5898         Delete declaration.
5899         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
5900         (rs6000_debug_legitimize_reload_address): Delete.
5901         (rs6000_legitimize_reload_address_ptr): Delete.
5902         (rs6000_option_override_internal): Adjust.
5903         (mem_operand_gpr): Adjust comment.
5904         (legitimate_lo_sum_address_p): Ditto.
5905         (rs6000_legitimize_reload_address): Delete.
5906         (rs6000_debug_legitimize_reload_address): Delete.
5907         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
5909 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5911         PR target/89765
5912         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5913         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
5914         to compute vector element selector for both constant and variable
5915         operands.
5917 2019-05-07  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5919         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
5920         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
5921         ashrdi3_cvt using SWI48 mode iterator.
5923 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
5925         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
5926         (aarch64_<su>abd<mode>_3): Likewise.
5927         (*aarch64_<su>abd<mode>_3): New define_insn.
5928         (<sur>sad<vsi2qi>): New define_expand.
5929         * config/aarch64/iterators.md: Added MAX_OPP attribute.
5930         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
5931         (build_vect_cond_expr): Likewise.
5933 2019-05-07  UroÅ¡ Bizjak  <ubizjak@gmail.com>
5935         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
5936         clobbers outside of accessible_reg_set.
5937         * config/i386/i386.c (ix86_conditional_register_usage):
5938         Disable register sets by clearing corresponding bits in
5939         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
5940         call_used_regs and don't clear corresponding reg_names array members.
5942 2019-05-07  Richard Biener  <rguenther@suse.de>
5944         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
5945         not specified still compute a comp_vectype for invariant
5946         compares.
5948 2019-05-07  Richard Biener  <rguenther@suse.de>
5950         PR tree-optimization/90316
5951         * tree-ssa-pre.c (translate_vuse_through_block): When
5952         same_valid is NULL do not bother to search for a virtual
5953         PHI continuation.
5954         (phi_translate_1): When operands changed we cannot keep
5955         the same value-number so do not bother to ask whether
5956         that's possible from translate_vuse_through_block.
5958 2019-05-07  Martin Liska  <mliska@suse.cz>
5960         * bitmap.c (bitmap_register): Come up with
5961         alloc_descriptor_max_uid and assign it for
5962         a new bitmap.
5963         (register_overhead): Use get_descriptor as
5964         a descriptor.
5965         (release_overhead): New.
5966         (bitmap_elem_to_freelist): Call it.
5967         (bitmap_elt_clear_from): Likewise.
5968         (bitmap_obstack_free): Likewise.
5969         (bitmap_move): Sensitively release memory.
5970         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
5971         (bitmap_initialize): Initialize alloc_descriptor to zero.
5972         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
5974 2019-05-07  Richard Biener  <rguenther@suse.de>
5976         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
5977         we build a SLP node.  Remove max_size and limiting.
5978         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
5980 2019-05-07  Richard Biener  <rguenther@suse.de>
5982         PR tree-optimization/90316
5983         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
5984         limit by reference.
5985         (walk_non_aliased_vuses): Take walking limit argument.
5986         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
5987         walking if it is reached instead of just counting.
5988         (get_continuation_for_phi): Likewise.
5989         (walk_non_aliased_vuses): Likewise, instead of leaving counter
5990         limiting to the callback.
5991         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
5992         (vn_reference_lookup_3): Likewise.
5993         (vn_reference_lookup_pieces): Likewise.
5994         (vn_reference_lookup): Likewise.
5995         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
5996         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
5997         (avail_exprs_stack::lookup_avail_expr): Likewise.
5999 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
6001         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
6002         for comparaible types in the second direction even if first one
6003         hits incomparable type.
6005 2019-05-07  Richard Biener  <rguenther@suse.de>
6007         PR lto/90369
6008         * lto-wrapper.c (debug_objcopy): Use the original filename
6009         including archive offset for the filename used for -save-temps.
6011 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
6013         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
6014         detection.
6016 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
6017             Hongtao Liu  <hongtao.liu@intel.com>
6019         PR target/89750
6020         PR target/86444
6021         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
6022         Modified, original implementation isn't correct.
6024 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
6026         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
6027         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
6028         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
6029         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
6030         (FRAME_POINTER_REGNUM): Change numbering.
6031         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
6032         (alt_reg_names): Adjust.
6033         (rs6000_conditional_register_usage): Don't mark hard register 64 as
6034         fixed.
6035         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
6036         (DWARF_FRAME_REGISTERS): Delete.
6037         (DWARF2_FRAME_REG_OUT): Fix whitespace.
6038         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6039         Adjust.
6040         (REG_ALLOC_ORDER): Adjust.
6041         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
6042         (REG_CLASS_CONTENTS): Adjust.
6043         (RETURN_ADDR_RTX): Change comment.
6044         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
6045         instead of 67.
6046         (REGISTER_NAMES): Adjust.
6047         (ADDITIONAL_REGISTER_NAMES): Adjust.
6048         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
6050 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
6052         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
6053         Delete.
6054         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
6055         (DWARF_FRAME_REGISTERS): Adjust.
6056         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6057         Adjust.
6058         (REG_ALLOC_ORDER): Adjust.
6059         (enum reg_class): Delete SPR_REGS.
6060         (REG_CLASS_NAMES): Delete SPR_REGS.
6061         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
6062         (REGISTER_NAMES): Adjust.
6063         (ADDITIONAL_REGISTER_NAMES): Adjust.
6064         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
6065         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
6066         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
6067         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
6068         (htm_spr_regno): Delete.
6069         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
6070         argument.
6071         (rs6000_dbx_register_number): Adjust.
6073 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
6075         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
6077 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
6079         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
6080         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
6082 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
6084         PR tree-optimization/88709
6085         PR tree-optimization/90271
6086         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
6087         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
6088         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
6089         variable.
6090         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
6091         of the store merging group is larger than
6092         PARAM_STORE_MERGING_MAX_SIZE parameter.
6093         (split_group): Add bzero_first argument.  If set, always emit first
6094         the first store which must be = {} of the whole area and then for the
6095         rest of the stores consider all zero bytes as paddings.
6096         (imm_store_chain_info::output_merged_store): Check if first store
6097         is = {} of the whole area and if yes, determine which setting of
6098         bzero_first for split_group gives smaller number of stores.  Adjust
6099         split_group callers.
6100         (lhs_valid_for_store_merging_p): Allow decls.
6101         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
6102         no elts.
6103         (pass_store_merging::process_store): Likewise.
6105 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6107         PR target/89424
6108         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
6109         handling of V1TImode.
6111 2019-05-06  UroÅ¡ Bizjak  <ubizjak@gmail.com>
6113         PR target/89221
6114         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
6115         and enable_frame_pointer ...
6116         * configure.ac: ... here.  Update help strings for
6117         --enable-frame-pointer.
6118         * configure: Regenerate.
6119         * config/i386/i386-options.c (ix86_option_override_internal): Remove
6120         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
6121         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
6122         (USE_X86_64_FRAME_POINTER): Ditto.
6124 2019-05-06  Martin Liska  <mliska@suse.cz>
6126         * config.gcc: Append to target_gtfiles and fix indentation.
6128 2019-05-06  Richard Biener  <rguenther@suse.de>
6130         PR tree-optimization/90358
6131         * tree-vect-stmts.c (get_group_load_store_type): Properly
6132         detect unused upper half of load.
6133         (vectorizable_load): Likewise.
6135 2019-05-06  Richard Biener  <rguenther@suse.de>
6137         PR tree-optimization/88828
6138         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
6139         (simplify_vector_constructor): ...here.  Handle constants in
6140         the constructor.
6142 2019-05-06  Richard Biener  <rguenther@suse.de>
6144         PR tree-optimization/90328
6145         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
6146         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
6147         is valid in the loop nest before using it.
6148         (initialize_data_dependence_relation): Adjust.
6149         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
6150         loop as loop-nest to dr_may_alias_p.
6152 2019-05-06  Richard Biener  <rguenther@suse.de>
6154         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
6156 2019-05-06  Richard Biener  <rguenther@suse.de>
6158         PR tree-optimization/90316
6159         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
6160         compute target on demand.
6161         (get_continuation_for_phi): Remove code walking stmts to
6162         get to a target virtual operand which could end up being
6163         quadratic.
6165 2019-05-06  Martin Liska  <mliska@suse.cz>
6167         PR sanitizer/90312
6168         * config/i386/i386-options.c (ix86_option_override_internal): Error only
6169         when -mabi is selected to a non-default version.
6171 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
6172             Martin Liska  <mliska@suse.cz>
6174         * Makefile.in: Add lto-dump.texi.
6175         * cgraph.h: Add new functions get_visibility_string and
6176         get_symtab_type_string.
6177         * doc/gcc.texi: Include lto-dump section.
6178         * doc/lto-dump.texi: New file.
6179         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
6180         (parse_dump_option): Factor out this function.
6181         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
6182         (parse_dump_option): Export the function.
6183         * symtab.c (symtab_node::get_visibility_string): New function.
6184         (symtab_node::get_symtab_type_string): Likewise.
6186 2019-05-06  Martin Liska  <mliska@suse.cz>
6188         * config/i386/i386-builtins.c: New file.
6189         * config/i386/i386-builtins.h: New file.
6190         * config/i386/i386-expand.c: New file.
6191         * config/i386/i386-expand.h: New file.
6192         * config/i386/i386-features.c: New file.
6193         * config/i386/i386-features.h: New file.
6194         * config/i386/i386-options.c: New file.
6195         * config/i386/i386-options.h: New file.
6196         * config.gcc: Add new files into extra_objs and
6197         target_gtfiles.
6198         * config/i386/i386.c: Split content of the file
6199         into newly introduced files.
6200         * config/i386/i386.h: Declare common variables
6201         and macros.
6202         * config/i386/t-i386: Define dependencies for new files.
6204 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
6206         PR target/89400
6207         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
6208         Restrict 'all' variant to 32-bit configurations.
6209         (unaligned_loadhiu): Likewise.
6210         (unaligned_storehi): Likewise.
6211         (unaligned_storesi): Likewise.
6212         (unaligned_loadhis): Disable when compiling for thumb1.
6214 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
6216         PR tree-optimization/90269
6217         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
6218         Ignore clobbers.
6220 2019-05-03  Martin Liska  <mliska@suse.cz>
6222         * hash-map.h: Add is_empty function.
6223         * hash-set.h: Likewise.
6224         * hash-table.h: Likewise.
6225         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
6226         elements () == 0 (and similar usages).
6227         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
6228         * gimplify.c (gimplify_bind_expr): Likewise.
6229         (gimplify_switch_expr): Likewise.
6230         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
6231         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
6232         * postreload-gcse.c (dump_hash_table): Likewise.
6233         (gcse_after_reload_main): Likewise.
6234         * predict.c (combine_predictions_for_bb): Likewise.
6235         * tree-parloops.c (reduction_phi): Likewise.
6236         (separate_decls_in_region): Likewise.
6237         (transform_to_exit_first_loop): Likewise.
6238         (gen_parallel_loop): Likewise.
6239         (gather_scalar_reductions): Likewise.
6240         (try_create_reduction_list): Likewise.
6241         * var-tracking.c (dump_vars): Likewise.
6242         (emit_notes_for_changes): Likewise.
6243         (vt_emit_notes): Likewise.
6245 2019-05-03  Richard Biener  <rguenther@suse.de>
6247         PR tree-optimization/90316
6248         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
6249         before running VN.
6251 2019-05-03  Richard Biener  <rguenther@suse.de>
6253         * tree-vect-stmts.c (get_group_load_store_type): Avoid
6254         peeling for gaps by loading only lower halves of vectors
6255         if possible.
6256         (vectorizable_load): Likewise.
6258 2019-05-03  Richard Biener  <rguenther@suse.de>
6260         PR middle-end/89518
6261         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
6263 2019-05-03  Richard Biener  <rguenther@suse.de>
6265         PR middle-end/87314
6266         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
6267         Handle STRING_CST vs DECL or STRING_CST.
6269 2019-05-03  Richard Biener  <rguenther@suse.de>
6271         PR tree-optimization/88963
6272         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
6273         vector loads feeding only BIT_FIELD_REFs to component
6274         loads.  Rewrite stores fed by CONSTRUCTORs to component
6275         stores.
6277 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
6279         * opts.h (finish_options): Remove lang_mask argument.
6280         (print_help, help_option_argument): Declare.
6281         * opts.c (print_help): Remove forward declaration, no longer static.
6282         (finish_options): Remove lang_mask argument, don't call print_help
6283         here.
6284         * opts-global.c (decode_options): Adjust finish_option caller, call
6285         print_help here.
6287         PR tree-optimization/90303
6288         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
6289         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
6291 2019-05-03  Richard Biener  <rguenther@suse.de>
6293         PR tree-optimization/89698
6294         * gimple-fold.c (canonicalize_constructor_val): Early out
6295         for constants, handle unfolded INTEGER_CSTs as they appear in
6296         C++ virtual table ctors.
6298 2019-05-03  Richard Biener  <rguenther@suse.de>
6300         * passes.c (execute_function_todo): Remove dead code.
6302 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
6304         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
6305         the internal register number, for any "real" register.
6307 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
6309         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
6310         correct numbers for TFHAR, TFIAR, TEXASR.
6312 2019-05-02  Richard Biener  <rguenther@suse.de>
6314         PR tree-optimization/89653
6315         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
6316         update-address-taken before the pass.
6317         * passes.def (pass_tree_loop_init): Put comment before it.
6319 2019-05-02  Richard Biener  <rguenther@suse.de>
6321         PR tree-optimization/89509
6322         * tree-ssa-structalias.c (compute_dependence_clique): Look
6323         at the first subvar when determining whether it is restrict.
6325 2019-05-02  Richard Biener  <rguenther@suse.de>
6327         PR tree-optimization/90273
6328         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
6329         useless debug stmts.
6331 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
6333         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
6334         ACLE branch.
6335         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
6336         SVE ACLE branch.
6337         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
6338         VEC_COND_EXPR be inserted to emulate a conditional internal function.
6339         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
6340         (vectorizable_reduction): Use the functions above to vectorize in a
6341         fully masked loop codes that don't have a conditional internal
6342         function.
6344 2019-05-02  Martin Liska  <mliska@suse.cz>
6346         * cgraphclones.c: Call valid_attribute_p with 1 for
6347         target_clone.
6348         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
6349         it's for target attribute.
6350         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
6351         Add new boolean argument.
6352         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
6353         Likewise.
6354         (ix86_valid_target_attribute_tree): Pass target_clone_attr
6355         to ix86_valid_target_attribute_inner_p.
6356         (ix86_valid_target_attribute_p): Pass flags argument to
6357         ix86_valid_target_attribute_inner_p.
6358         (get_builtin_code_for_version): Use 0 as it's target attribute.
6360 2019-05-02  Martin Liska  <mliska@suse.cz>
6362         * gcc.c (process_command): Add dummy file only
6363         if n_infiles == 0.
6364         * opts-global.c (decode_options): Pass lang_mask.
6365         * opts.c (print_help): New function.
6366         (finish_options): Print --help if help_option_argument
6367         is set.
6368         (common_handle_option): Factor out content of OPT__help_
6369         into print_help.
6370         * opts.h (finish_options): Add new argument.
6372 2019-05-02  Martin Liska  <mliska@suse.cz>
6374         PR target/88809
6375         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
6376         With -minline-all-stringops use inline expansion using 4B loop.
6377         * doc/invoke.texi: Document the change of
6378         -minline-all-stringops.
6380 2019-05-01  Jeff Law  <law@redhat.com>
6382         PR tree-optimization/88797
6383         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
6384         PHI feeds a conditional on the RHS of an assignment.
6386 2019-04-30  Andrew Waterman  <andrew@sifive.com>
6387             Jim Wilson  <jimw@sifive.com>
6389         * config/riscv/constraints.md (L): New.
6390         * config/riscv/predicates.md (lui_operand): New.
6391         (sfb_alu_operand): New.
6392         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
6393         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
6394         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
6395         * config/riscv/risc.md (type): Add sfb_alu.
6396         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
6397         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
6398         (branch_zero<mode>): Delete.
6399         (mov<mode>cc): New.
6400         (mov<GPR:mode><X:mode>cc): Likewise.
6401         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
6403 2019-04-30  Nathan Sidwell  <nathan@acm.org>
6405         * tree.h (MARK_TS_EXP): New.
6407 2019-04-30  Martin Liska  <mliska@suse.cz>
6409         * opts.c (enable_warning_as_error): Provide hints
6410         for unknown options.
6412 2019-04-30  Martin Liska  <mliska@suse.cz>
6414         PR debug/90288
6415         * doc/invoke.texi: Add missing dash for gas-locview-support
6416         and gno-as-locview-support.
6418 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
6420         PR target/89093
6421         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
6422         whitespace at the start of target attribute string.
6424 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6426         PR target/86538
6427         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
6428         Define __ARM_FEATURE_ATOMICS.
6430 2019-04-30  Martin Liska  <mliska@suse.cz>
6432         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
6433         into built_in_function enum. Remove code for endp == 2 and
6434         use BUILT_IN_* constants.
6435         (gimple_fold_builtin): Call the function with fcode.
6437 2019-04-30  Martin Liska  <mliska@suse.cz>
6439         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
6440         DECL_FUNCTION_CODE into ix86_builtins enum before
6441         the switch statement.
6443 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
6445         PR tree-optimization/89475
6446         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
6447         calls.
6449 2019-04-30  Martin Liska  <mliska@suse.cz>
6451         PR translation/90274
6452         * opts.c (print_filtered_help): Wrap string in _(...).
6454 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
6456         PR tree-optimization/90240
6457         Revert:
6458         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
6460         PR tree-optimization/90078
6461         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
6462         checks for infinite_cost overflow.
6464 2019-04-29  Jeff Law  <law@redhat.com>
6466         * passes.def: Move -Wrestrict pass after copy propagation.
6468 2019-04-29  Maya Rashish  <coypu@sdf.org>
6470         * config.gcc (default_gnu_indirect_function): Default to yes
6471         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
6472         sparc*-*-netbsd*, x86_64-*-netbsd*.
6474 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
6476         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
6477         where cond2 is NE_EXPR.
6478         (is_value_included_in): Update comment.
6480 2019-04-29  Richard Biener  <rguenther@suse.de>
6482         PR tree-optimization/90278
6483         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
6484         EH on comparison simplification.
6486 2019-04-29  Jason Merrill  <jason@redhat.com>
6488         PR c++/82081 - tail call optimization breaks noexcept
6489         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
6490         nothrow function to a might-throw function into a tail call.
6492 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
6494         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
6495         (DDR_INNER_LOOP): Likewise.
6496         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
6497         (initialize_data_dependence_relation): Likewise.
6498         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
6500 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
6502         PR rtl-optimization/90257
6503         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
6504         return value.
6506         Revert the revert:
6507         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
6509         PR target/90178
6510         Revert:
6511         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
6513         Revert the revert:
6514         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
6516         Revert:
6517         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
6519         * lra-spills.c (lra_final_code_change): Remove useless move insns.
6521 2019-04-29  Richard Biener  <rguenther@suse.de>
6523         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
6524         rhs issue a reset.
6526 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
6528         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
6529         varasm.h, and netbsd-protos.h.
6531 2019-04-27  UroÅ¡ Bizjak  <ubizjak@gmail.com>
6533         PR target/89261
6534         * config/i386/i386-protos.h (ix86_data_alignment): Change
6535         the second argument type to unsigned int.
6536         * config/i386/i386.c (ix86_data_alignment): Change "align"
6537         argument type to unsigned int.
6539 2019-04-27  Martin Liska  <mliska@suse.cz>
6541         PR middle-end/90258
6542         * opt-suggestions.c (option_proposer::build_option_suggestions):
6543         When get_valid_option_values returns empty values, add the
6544         misspelling candidate.
6546 2019-04-26  Jim Wilson  <jimw@sifive.com>
6548         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
6549         parameter.
6550         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
6551         Pass orig_mode to riscv_build_integer.
6552         (riscv_split_integer): Pass mode to riscv_move_integer.
6553         (riscv_legitimize_const_move): Likewise.
6554         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
6555         promoted_mode.  Replace force_reg call with code to load constant into
6556         promoted reg and then subreg it for the store.
6557         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
6558         riscv_move_integer.
6560 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
6562         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
6563         corrupt codes.
6565 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
6567         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
6568         commentary about the encoding of precision.
6570 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
6572         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
6573         * config/i386/t-freebsd64: New file.
6574         * config.gcc: Add the t-freebsd64 for multilib support.
6576 2019-04-25  UroÅ¡ Bizjak  <ubizjak@gmail.com>
6578         * doc/extend.texi (vector_size): Add missing comma after @xref.
6580 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
6582         * BASE-VER: Set to 10.0.0.
6584 2019-04-25  Richard Biener  <rguenther@suse.de>
6586         PR middle-end/89765
6587         * gimplify.c (gimplify_expr): Avoid turning a lvalue
6588         VIEW_CONVERT_EXPR into one operating on an rvalue.
6590 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
6592         PR target/89929
6593         * config/i386/i386.c (feature_priority): Moved to file scope.
6594         (processor_features): Likewise.
6595         (processor_model): Likewise.
6596         (_arch_names_table): Likewise.
6597         (arch_names_table): Likewise.
6598         (_feature_list): Removed.
6599         (feature_list): Likewise.
6600         (_isa_names_table): Moved to file scope.  Add priority.
6601         (isa_names_table): Likewise.
6602         (get_builtin_code_for_version): Replace feature_list with
6603         isa_names_table.  Update error message for P_ZERO priority.
6605 2019-04-25  Richard Biener  <rguenther@suse.de>
6607         * tree-pass.h (make_pass_phi_only_cprop): Remove.
6608         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
6610 2019-04-24  Jeff Law  <law@redhat.com>
6612         PR tree-optimization/90037
6613         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
6614         * passes.def: Replace all instance of phi-only cprop with the
6615         lattice propagator.  Move propagation pass from after erroneous
6616         path isolation to before erroneous path isolation.
6617         * tree-ssa-phionlycprop.c: Remove.
6619 2019-04-24  Richard Biener  <rguenther@suse.de>
6621         PR middle-end/90213
6622         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
6623         by size and BITS_PER_UNIT on poly-wide-ints.
6625 2019-04-25  Richard Biener  <rguenther@suse.de>
6627         PR middle-end/90194
6628         * match.pd: Add pattern to simplify view-conversion of an
6629         empty constructor.
6631 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
6633         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
6634         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
6635         for Go on 32 bit AIX.
6636         * config/rs6000/aix72.h: Likewise.
6638 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
6640         PR target/90193
6641         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
6642         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
6644 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
6646         PR target/89952
6647         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
6648         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
6649         for restored hard frame pointer.
6650         (s390_sched_dependencies_evaluation): Implement new target hook.
6651         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
6653 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
6655         * config/arc/arc-options.def: Fix typos and spelling mistakes.
6656         * config/arc/arc.c (arc_init): Cleanup warning message.
6657         (arc_override_options): Likewise.
6659 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
6661         PR target/90187
6662         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
6663         a register if both if_true and if_false are MEMs.
6665         PR tree-optimization/90208
6666         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
6667         after labels of new_bb, not before them.
6669         PR tree-optimization/90211
6670         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
6671         which are not SSA_NAMEs.
6673 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
6675         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
6676         AArch64.
6677         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
6679 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
6681         PR rtl-optimization/87979
6682         * modulo-sched.c (sms_schedule): Start ii value "mii" should
6683         not equal zero.
6685 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
6687         PR rtl-optimization/84032
6688         * modulo-sched.c (ps_insn_find_column): Change condition so that
6689         branch will always be the last insn in a row inside partial
6690         schedule.
6692 2019-04-23  Richard Biener  <rguenther@suse.de>
6694         PR debug/90131
6695         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
6696         dest_single_pred_p argument.
6697         (remove_forwarder_block): Adjust.
6698         (remove_forwarder_block_with_phi): Likewise.
6700 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6701             Bernd Edlinger  <bernd.edlinger@hotmail.de>
6702             Jakub Jelinek  <jakub@redhat.com>
6704         PR target/89093
6705         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
6706         if used with general-regs-only.
6707         (arm_conditional_register_usage): Don't add non-general regs if
6708         general-regs-only.
6709         (arm_valid_target_attribute_rec): Handle general-regs-only.
6710         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
6711         general-regs-only.
6712         (TARGET_HARD_FLOAT_SUB): Define.
6713         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
6714         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
6715         (TARGET_REALLY_IWMMXT2): Likewise.
6716         * config/arm/arm.opt: Add -mgeneral-regs-only.
6717         * doc/extend.texi: Document ARM general-regs-only target.
6718         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
6720 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
6722         PR tree-optimization/90078
6723         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
6724         checks for infinite_cost overflow.
6726 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
6728         PR tree-optimization/90021
6729         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
6730         and check univariate against it.
6731         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
6732         * tree-data-ref.c (add_other_self_distances): Pass new argument.
6734 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
6736         PR target/90178
6737         Revert:
6738         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
6740         Revert the revert:
6741         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
6743         Revert:
6744         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
6746         * lra-spills.c (lra_final_code_change): Remove useless move insns.
6748 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
6750         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
6751         names using operand format, rather than hard-wired.
6752         (speculation_barrier): Likewise.
6754 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
6756         PR tree-optimization/88055
6757         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
6758         (gen_one_condition): Use it if !HONOR_NANS.
6760 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
6762         PR middle-end/90139
6763         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
6764         assign_temp instead of gen_reg_rtx.
6766 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
6768         PR translation/90118
6769         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6770         Add missing space before %<.
6772 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
6774         PR rtl-optimization/87871
6775         * ira-lives.c (make_object_dead): Don't add conflicts to
6776         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
6778 2019-04-18  Martin Sebor  <msebor@redhat.com>
6780         PR middle-end/89797
6781         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
6782         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
6783         assuming type size fits in SHWI.
6785 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
6787         PR ipa/85051
6788         * ipa-inline.c (flatten_function): New parameter UPDATE.
6789         (ipa_inline, early_inliner): Use it.
6791 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
6793         * fold-const.c (int_const_binop): Return early on failure.
6795 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
6797         PR middle-end/85164
6798         * combine.c (force_int_to_mode): Cast the argument rather than
6799         the result of known_alignment.
6800         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
6802 2019-04-18  Richard Biener  <rguenther@suse.de>
6804         PR debug/90131
6805         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
6806         out from ...
6807         (remove_forwarder_block): ... here.
6808         (remove_forwarder_block_with_phi): Also move debug stmts here.
6810 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
6812         PR translation/79183
6813         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
6814         inform where appropriate.
6816 2019-04-18  Richard Biener  <rguenther@suse.de>
6818         * tree.c (get_qualified_type): Put found type variants at the
6819         head of the variant list.
6821 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
6823         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
6825 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
6827         PR target/90125
6828         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
6829         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
6830         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
6831         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
6832         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
6834 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
6836         * ira-conflicts.c (print_allocno_conflicts): Always print something,
6837         even for allocno's with no conflicts.
6838         (print_conflicts): Print an extra newline.
6840 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
6842         * auto-inc-dec.c (attempt_change): Set the alignment of the
6843         temporary memory to that of the original.
6845 2019-04-17  Joao Moreira  <jmoreira@suse.de>
6847         * targhooks.c (default_print_patchable_function_entry): Emit
6848         __patchable_function_entries section with writable flags to allow
6849         relocation resolution.
6851 2019-04-17  Jonny Grant  <jg@jguk.org>
6853         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
6855 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
6857         PR middle-end/90095
6858         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
6859         on lowpart SUBREGs.
6861 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
6863         * config/arc/arc.c (arc_init): Format diagnostic string.
6864         (arc_override_options): Likewise.
6865         (check_if_valid_regno_const): Likewise.
6866         (arc_reorg): Likewise.
6868 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
6870         PR target/17108
6871         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
6872         name.
6873         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
6874         name.
6875         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
6876         (*movdi_update1): Use Pmode.
6877         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
6878         (movdi_<mode>_update_stack): Rename to ...
6879         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
6880         use Pmode.
6881         (*movsi_update1): Use Pmode.
6882         (*movsi_update2): Use Pmode.
6883         (movsi_update): Rename to ...
6884         (movsi_<mode>_update): ... this.  Use Pmode.
6885         (movsi_update_stack): Fix condition.
6886         (*movhi_update1): Use Pmode.  Fix argument to
6887         avoiding_indexed_address_p.
6888         (*movhi_update2): Ditto.
6889         (*movhi_update3): Ditto.
6890         (*movhi_update4): Ditto.
6891         (*movqi_update1): Ditto.
6892         (*movqi_update2): Ditto.
6893         (*movqi_update3): Ditto.
6894         (*movsf_update1, *movdf_update1): Merge, rename to...
6895         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
6896         avoiding_indexed_address_p.  Add "size" attribute.
6897         (*movsf_update2, *movdf_update2): Merge, rename to...
6898         (*mov<mode>_update2): This.  Ditto.
6899         (*movsf_update3): Use Pmode.  Fix argument to
6900         avoiding_indexed_address_p.
6901         (*movsf_update4): Ditto.
6902         (allocate_stack): Simplify condition.  Adjust pattern names.
6904 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
6906         PR target/89093
6907         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
6908         whitespace at the start of target attribute string.
6910 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
6912         PR target/84369
6913         * config/rs6000/power9.md: Add store forwarding bypass.
6915 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
6917         PR debug/89528
6918         * valtrack.c (dead_debug_insert_temp): Reset debug references
6919         to the return value of a call being removed.
6921 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6923         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
6924         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
6925         implement target hook.
6926         (arc_memory_move_cost): New function.
6927         (TARGET_REGISTER_MOVE_COST): Define.
6928         (TARGET_MEMORY_MOVE_COST): Likewise.
6929         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
6930         (MEMORY_MOVE_COST): Likewise.
6932 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6934         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
6935         (sibcall_value_insn): Likewise.
6936         * config/arc/constraints.md (Rs5): Remove.
6938 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6940         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
6941         for last two fake registers.
6942         (arc_conditional_register_usage): Make sure fake frame and arg
6943         pointer regs are in general regs class.
6944         (FRAME_POINTER_MASK): Remove.
6945         (RETURN_ADDR_MASK): Remove.
6946         (arc_must_save_register): Use hard frame regnum.
6947         (frame_restore_reg): Use hard_frame_pointer_rtx.
6948         (arc_save_callee_saves): Likewise.
6949         (arc_restore_callee_saves): Likewise.
6950         (arc_save_callee_enter): Likewise.
6951         (arc_restore_callee_leave): Likewise.
6952         (arc_save_callee_milli): Likewise.
6953         (arc_eh_return_address_location): Likewise.
6954         (arc_check_multi): Use hard frame regnum.
6955         (arc_can_eliminate): Likewise.
6956         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
6957         for register allocator.
6958         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
6959         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
6960         (FRAME_POINTER_REGNUM): Change it to a fake register.
6961         (HARD_FRAME_POINTER_REGNUM): Defined.
6962         (ARG_POINTER_REGNUM): Change it to a new fake register.
6963         (ELIMINABLE_REGS): Update.
6964         (REGISTER_NAMES): Update names.
6965         * config/arc/arc.md (LP_START): Remove.
6966         (LP_END): Likewise.
6967         (shift_si3_loop): Update pattern.
6969 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6971         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
6972         to avoid delay slot scheduling.
6973         (arc_must_save_register): Don't save SP.
6974         * config/arc/arc.md (stack_tie): Remove.
6975         (UNSPEC_ARC_STKTIE): Likewise.
6977 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
6978             Shiva Chen  <shiva0217@gmail.com>
6980         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
6981         code gen with large shift amount.
6983 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
6985         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
6986         subreg.
6988 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
6990         PR target/90096
6991         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
6992         print -m64/-mx32/-m32 if it is true.
6993         (ix86_debug_options, ix86_function_specific_print): Pass true as
6994         ADD_ABI_P to ix86_target_string.
6995         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
6996         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
6997         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
6999         PR rtl-optimization/90082
7000         * dce.c (can_delete_call): New function.
7001         (deletable_insn_p, mark_insn): Use it.
7003         PR tree-optimization/90090
7004         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
7005         throw internally.
7006         (is_division_by_square): Likewise.  Formatting fix.
7008 2019-04-16  Richard Biener  <rguenther@suse.de>
7010         PR tree-optimization/56049
7011         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
7012         equality check if alias-set zero will prevail.
7014 2019-04-15  Jeff Law  <law@redhat.com>
7016         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
7017         size and alignment as unsigned.
7019 2019-04-15  Richard Biener  <rguenther@suse.de>
7021         PR debug/90074
7022         * tree-loop-distribution.c (destroy_loop): Preserve correct
7023         debug info.
7025 2019-04-15  Richard Biener  <rguenther@suse.de>
7027         PR tree-optimization/90071
7028         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
7029         abnormal operands from def stmts.
7031 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
7033         PR rtl-optimization/89794
7034         * combine.c (count_auto_inc): New function.
7035         (try_combine): Count how many auto_inc expressions there were in the
7036         original instructions.  Ensure we have the same number in the new
7037         instructions.  Remove the code that tried to ensure auto_inc side
7038         effects on i1 and i0 are not lost.
7040 2019-04-15  Richard Biener  <rguenther@suse.de>
7042         PR ipa/88936
7043         * tree.h (auto_var_p): Declare.
7044         * tree.c (auto_var_p): New function, split out from ...
7045         (auto_var_in_fn_p): ... here.
7046         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
7047         member.
7048         (new_var_info): Initialize it.
7049         (set_uids_in_ptset): Also set the shadow variable uid if required.
7050         (ipa_pta_execute): Postprocess points-to solutions assigning
7051         shadow variable uids for locals that may reach their containing
7052         function recursively.
7053         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
7054         assert but instead check whether the points-to solution is
7055         a singleton.
7057 2019-04-15  Martin Jambor  <mjambor@suse.cz>
7059         PR ipa/pr89693
7060         * cgraph.c (clone_of_p): Loop over clone chain for each step in
7061         the thunk chain.
7063 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
7065         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
7067 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
7068             Kito Cheng  <kito.cheng@gmail.com>
7069             Shiva Chen  <shiva0217@gmail.com>
7071         * config/nds32/nds32-md-auxiliary.c
7072         (nds32_legitimize_pic_address): Use new PIC pattern.
7073         (nds32_legitimize_tls_address): Use new TLS pattern.
7074         (nds32_output_symrel): New.
7075         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
7076         (nds32_alloc_relax_group_id): Ditto.
7077         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
7078         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
7079         relax_group_id.
7080         (nds32_group_tls_insn): Ditto.
7081         (nds32_group_float_insns): Ditto.
7082         * config/nds32/nds32.md (tls_le): New.
7083         (sym_got): Ditto.
7085 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
7087         * configure: Add nds32 target for dwarf2 debug_line checking.
7088         * configure.ac: Regenerated.
7090 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
7092         PR lto/89358
7093         * ipa-devirt.c (skip_in_fields_list_p): New.
7094         (odr_types_equivalent_p): Use it.
7096 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
7098         PR target/89093
7099         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
7100         instead of strncmp when checking for thumb and arm.  Formatting fixes.
7102 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
7104         * doc/install.texi: Document --with-target-system-zlib.
7106 2019-04-12  Martin Sebor  <msebor@redhat.com>
7108         PR c/88383
7109         PR c/89288
7110         PR c/89798
7111         PR c/89797
7112         * targhooks.c (default_vector_alignment): Avoid assuming
7113         argument fits in SHWI.
7114         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
7115         a shift expression.
7116         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
7118 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
7120         PR rtl-optimization/89965
7121         * dce.c: Include rtl-iter.h.
7122         (struct check_argument_load_data): New type.
7123         (check_argument_load): New function.
7124         (find_call_stack_args): Check for loads from stack slots still tracked
7125         in sp_bytes and punt if any is found.
7127         * config/mips/loongson-mmiintrin.h: Fix up #error message.
7129 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
7131         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
7132         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
7134 2019-04-12  Martin Liska  <mliska@suse.cz>
7136         PR middle-end/89970
7137         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
7138         in error message.
7139         (separate_attrs): Handle multiple 'default's.
7140         (expand_target_clones): Rework error handling code.
7142 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7144         PR target/87532
7145         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
7146         mode of vector rather than mode of destination for move instruction.
7147         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
7148         Use QI inner mode with V16QI vector mode.
7150 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
7152         PR target/52726
7153         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
7154         "invalid %%t operand" in output_operand_lossage message.
7156 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
7158         * config/s390/predicates.md (permute_pattern_operand): New
7159         predicate.
7160         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
7161         operand for the permute pattern.
7162         ("*vec_perm<mode>"): New insn definition.
7163         ("bswap<mode>"): Generate the permute pattern operand in the
7164         expander and perform the operand reloads for pre arch13 level
7165         already.
7166         ("*bswap<mode>_emu"): Rename to ...
7167         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
7168         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
7169         Add the USE operand for the permute pattern.
7170         ("*vec_set_bswap_vec<mode>"): Likewise.
7172 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
7174         PR c/89946
7175         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
7176         and gcc_unreachable if it fails, just call tree_to_uhwi which
7177         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
7178         Start warning message with a lower-case letter.  Formatting fixes.
7180         PR rtl-optimization/90026
7181         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
7182         successors, look for BARRIERs inside of the whole BB_FOOTER chain
7183         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
7184         in cfglayout mode, use emit_barrier_after_bb.
7186 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
7188         PR rtl-optimization/87763
7189         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
7190         New Instruction.
7192 2019-04-11  Tom de Vries  <tdevries@suse.de>
7194         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
7195         max macro using statement expression.
7197 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
7199         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
7200         * xcoffout.c (xcoff_private_rodata_section_name): Define.
7201         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
7202         read_only_private_data_section using xcoff_private_rodata_section_name.
7203         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
7205 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
7207         PR target/90016
7208         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
7210 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
7212         PR rtl-optimization/89965
7213         * dce.c (sp_based_mem_offset): New function.
7214         (find_call_stack_args): Use sp_based_mem_offset.
7216 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
7218         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
7220 2019-04-11  Richard Biener  <rguenther@suse.de>
7222         PR tree-optimization/90020
7223         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
7224         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
7225         * tree-ssa-pre.c (compute_avail): Use it to not put
7226         possibly trapping references after a call that might not
7227         return into EXP_GEN.
7228         * gcse.c (compute_hash_table_work): Do not elide
7229         marking a block containing a call if the call might not
7230         return.
7232 2019-04-11  Richard Biener  <rguenther@suse.de>
7234         PR tree-optimization/90018
7235         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
7236         Test both SLP and interleaving variants.
7238 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
7240         * config/s390/8561.md: New file.
7241         * config/s390/driver-native.c (s390_host_detect_local_cpu):
7242         Add arch13 cpu model.
7243         * config/s390/s390-opts.h (enum processor_type): Likewise.
7244         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
7245         (s390_get_unit_mask): Likewise.
7246         (s390_is_fpd): Likewise.
7247         (s390_is_fxd): Likewise.
7248         * config/s390/s390.h (s390_tune_attr): Likewise.
7249         * config/s390/s390.md: Include arch13 pipeline description.
7250         * config/s390/s390.opt: Add arch13.
7252 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
7254         PR rtl-optimization/87763
7255         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
7256         New prototype.
7257         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
7258         New function.
7259         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
7260         New instruction.
7261         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
7262         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
7263         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
7264         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
7266 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
7268         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
7269         "Although" in -fipa-icf documentation.
7271         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
7272         of using multiple -g options.
7274 2019-04-10  Martin Liska  <mliska@suse.cz>
7276         PR gcov-profile/89959
7277         * doc/gcov.texi: Make documentation of -x option
7278         more precise.
7280 2019-04-10  Richard Biener  <rguenther@suse.de>
7282         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
7283         member.
7284         (DR_GROUP_SAME_DR_STMT): Remove.
7285         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
7286         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
7287         replace with assert.
7288         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
7289         (vect_record_grouped_load_vectors): Remove unreachable code.
7291 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
7293         PR target/90016
7294         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
7295         obsolete reference to N.
7297 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
7299         PR middle-end/90025
7300         * expr.c (store_expr): Set properly size on the MEM passed to
7301         clear_storage.
7303         PR c++/90010
7304         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
7305         with strlen in between hostsz-3 and hostsz-1 inclusive when no
7306         translation is needed, and when translation is needed, only append
7307         ... if the string length is hostsz or more bytes long.  Avoid using
7308         strncpy or strcat.
7310 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
7312         PR target/90024
7313         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
7314         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
7315         into three.
7316         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
7317         differences directly.
7318         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
7320 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
7322         PR translation/90011
7323         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
7324         from diagnostics.
7325         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
7326         diagnostics.
7327         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
7328         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
7329         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
7330         trailing space from -gsplit-dwarf diagnostics.
7332         PR tree-optimization/89998
7333         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
7334         instead of integer_type_node if possible, don't add ranges if return
7335         type is not compatible with int.
7336         * gimple-fold.c (gimple_fold_builtin_sprintf,
7337         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
7338         integer_type_node.
7340 2019-04-09  Martin Liska  <mliska@suse.cz>
7342         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
7343         * doc/install.texi: Document the new config.
7345 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
7347         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
7348         use gimple_expr_type for load and store calls.  Skip over the
7349         condition argument in a conditional internal function.
7350         Protect use of TREE_INT_CST_LOW.
7352 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
7354         PR target/90015
7355         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
7356         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
7357         trailing period from it too.
7359 2019-04-08  wu yuan  <wuyuan5@huawei.com>
7361         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
7362         * config/aarch64/aarch64.md : Add "tsv110.md"
7363         * config/aarch64/tsv110.md: New file.
7365 2019-04-08  Richard Biener  <rguenther@suse.de>
7367         PR tree-optimization/90006
7368         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
7369         calls like lrint.
7371 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
7373         PR target/83033
7374         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
7375         construction.
7376         (fma_root_node): Likewise.
7377         (func_fma_steering): Likewise.
7379 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
7381         PR rtl-optimization/89865
7382         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
7384         PR rtl-optimization/89865
7385         * config/i386/i386.md
7386         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
7387         numbers not to clash with the additional operands[4].
7388         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
7389         with extra register copy in the middle.
7391 2019-04-08  Martin Liska  <mliska@suse.cz>
7393         PR gcov-profile/89961
7394         * doc/gcov.texi: Document data_file.
7395         * gcov.c (generate_results): Add data_info into JSON output.
7397 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7399         PR tree-optimization/89725
7400         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
7401         loop's chrec as invariant symbol.
7402         * tree-chrec.h (chrec_contains_symbols): New parameter.
7403         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
7404         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
7405         function of loops not in DDR's loop_nest.
7406         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
7408 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
7410         PR target/89623
7411         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
7412         Mask.
7414 2019-04-07  UroÅ¡ Bizjak  <ubizjak@gmail.com>
7416         PR target/89945
7417         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
7418         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
7420 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
7422         * sched-deps.c (sched_macro_fuse_insns): Check return value of
7423         targetm.fixed_condition_code_regs.
7425 2019-04-05  Richard Biener  <rguenther@suse.de>
7427         PR debug/89892
7428         PR debug/89905
7429         * tree-cfgcleanup.c (remove_forwarder_block): Always move
7430         debug bind stmts but reset them if they are not valid at the
7431         destination.
7433 2019-04-05  Martin Liska  <mliska@suse.cz>
7435         PR translation/89936
7436         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
7437         order to wrap keywords or arguments.
7438         * collect2.c (main): Likewise.
7439         (scan_prog_file): Likewise.
7440         (scan_libraries): Likewise.
7441         * common/config/riscv/riscv-common.c
7442         (riscv_subset_list::parsing_subset_version): Likewise.
7443         (riscv_subset_list::parse_std_ext): Likewise.
7444         * config/aarch64/aarch64.c (aarch64_override_options_internal):
7445         Likewise.
7446         * config/arm/arm.c (arm_option_override): Likewise.
7447         * config/cris/cris.c (cris_print_operand): Likewise.
7448         * config/darwin-c.c (darwin_pragma_options): Likewise.
7449         (darwin_pragma_unused): Likewise.
7450         (darwin_pragma_ms_struct): Likewise.
7451         * config/ft32/ft32.c (ft32_print_operand): Likewise.
7452         * config/i386/i386.c (print_reg): Likewise.
7453         (ix86_print_operand): Likewise.
7454         * config/i386/xm-djgpp.h: Likewise.
7455         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
7456         * config/m32c/m32c.c (m32c_option_override): Likewise.
7457         * config/msp430/msp430.c (msp430_option_override): Likewise.
7458         * config/nds32/nds32.c (nds32_option_override): Likewise.
7459         * config/nvptx/mkoffload.c (main): Likewise.
7460         * config/rx/rx.c (rx_print_operand): Likewise.
7461         (valid_psw_flag): Likewise.
7462         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
7463         (vms_pragma_nomember_alignment): Likewise.
7464         (vms_pragma_extern_model): Likewise.
7465         * lto-wrapper.c (compile_offload_image): Likewise.
7466         * omp-offload.c (oacc_parse_default_dims): Likewise.
7467         * symtab.c (symtab_node::verify_base): Likewise.
7468         * tlink.c (recompile_files): Likewise.
7469         (start_tweaking): Likewise.
7470         * tree-profile.c (parse_profile_filter): Likewise.
7472 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
7474         PR tree-optimization/89956
7475         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
7476         multiple negates of the same value.
7478 2019-04-04  Martin Sebor  <msebor@redhat.com>
7480         PR middle-end/89957
7481         PR middle-end/89911
7482         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
7483         have the same precision since the function crashes otherwise.
7484         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
7485         has non-zero arguments.
7487 2019-04-04  Martin Sebor  <msebor@redhat.com>
7489         PR middle-end/89934
7490         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
7491         out if the number of arguments is less than expected.
7493 2019-04-04  Jeff Law  <law@redhat.com>
7495         PR rtl-optimization/89399
7496         * ree.c (combine_set_extension): Use single_set rather than
7497         digging into PATTERN for items on the candidate list.
7498         (combine_reaching_defs): Likewise.
7500 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
7502         PR rtl-optimization/46590
7503         * loop-invariant.c (find_defs): Move df_remove_problem and
7504         df_process_deferred_rescans to move_invariants.
7505         Move df_live_add_problem and df_live_set_all_dirty calls
7506         to move_invariants.
7507         (move_invariants): Likewise.
7508         (move_loop_invariants): Likewise, making the df_live calls
7509         conditional on -O.  Remove the problem again if we added it
7510         locally.
7512 2019-04-03  qing zhao  <qing.zhao@oracle.com>
7514         PR tree-optimization/89730
7515         * ipa-inline.c (can_inline_edge_p): Delete the checking for
7516         -flive-patching=inline-only-static.
7517         (can_inline_edge_by_limits_p): Add the checking for
7518         -flive-patching=inline-only-static and grant always_inline
7519         even when -flive-patching=inline-only-static is specified.
7521 2019-04-03  Jeff Law  <law@redhat.com>
7523         PR rtl-optimization/81025
7524         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
7526 2019-04-03  Richard Biener  <rguenther@suse.de>
7528         PR tree-optimization/84101
7529         * tree-vect-stmts.c: Include explow.h for hard_function_value,
7530         regs.h for hard_regno_nregs.
7531         (cfun_returns): New helper.
7532         (vect_model_store_cost): When vectorizing a store to a decl
7533         we return and the function ABI returns in a multi-reg location
7534         account for the possible spilling that will happen.
7536 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
7538         * config/s390/s390.c (s390_legitimate_address_p): Reject long
7539         displacement addresses for vector mode operands.
7541 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
7543         * config/arc/arc.c (GMASK_LEN): Define.
7544         (arc_restore_callee_saves): Restore first blink when
7545         !optimize_size.
7547 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
7549         * doc/extend.texi: Add deprecated comment on sign-return-address
7550         function attribute and add mbranch-protection.
7551         * doc/invoke.texi: Add bti to the options for mbranch-protection.
7553 2019-04-03  Richard Biener  <rguenther@suse.de>
7555         PR lto/89896
7556         * lto-wrapper.c (run_gcc): Avoid implicit rules making
7557         the all target phony.
7559 2019-04-02  UroÅ¡ Bizjak  <ubizjak@gmail.com>
7561         PR target/89902
7562         PR target/89903
7563         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
7564         Return false for variable DImode shifts.
7565         (dimode_scalar_chain::compute_convert_gain): Do not handle
7566         register count operand in variable DImode shifts.
7567         (dimode_scalar_chain::make_vector_copies): Remove support to copy
7568         count argument of a variable shift instruction to a vector register.
7569         (dimode_scalar_chain::convert_reg): Remove support to convert
7570         count argument of a variable shift instruction.
7572 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
7574         PR rtl-optimization/84206
7575         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
7576         iterating over loop headers.
7578 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
7580         PR rtl-optimization/85876
7581         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
7582         beyond the original fence.
7584 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
7586         * config.gcc: Mark spu* targets as deprecated/obsolete.
7588 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7590         * config/s390/s390-builtin-types.def: New builtin function type
7591         definitions. Remove unused types.
7592         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
7593         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
7594         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
7595         overloaded builtins.
7596         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
7597         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
7598         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
7599         (vec_double, vec_signed, vec_unsigned): Define to use the new
7600         overloaded builtins.
7601         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
7602         Remove expanders.
7604 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7606         * config/s390/s390-builtin-types.def: New builtin function type
7607         definitions.
7608         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
7609         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
7610         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
7611         (s390_vstrszh, s390_vstrszf): New low-level builtins.
7612         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
7613         constant definitions.
7614         * config/s390/vecintrin.h (vec_search_string_cc)
7615         (vec_search_string_until_zero_cc): New builtin name definitions.
7616         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
7617         expanders.
7618         ("vec_vstrs<mode>"): New insn definition.
7620 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7622         * config/s390/s390-builtin-types.def: Add new builtin function
7623         types.
7624         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
7625         New overloaded builtins.
7626         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
7627         s390_vsrd.
7628         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
7629         (UNSPEC_VEC_SLDBYTE): ... this.
7630         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
7631         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
7632         definitions.
7633         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
7634         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
7635         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
7637 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7639         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
7640         New insn definition.
7641         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
7642         * config/s390/vector.md (V_HW_HSD): ... here.
7644 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7646         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
7647         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
7648         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
7649         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
7650         New insn definitions.
7652 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7654         * config/s390/s390-builtin-types.def: Add new builtin function type.
7655         * config/s390/s390-builtins.def: Add overloaded builtin
7656         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
7657         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
7658         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
7659         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
7660         ("eltswap<mode>"): New expander.
7661         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
7662         insn definitions.
7664 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7666         * config/s390/s390-builtin-types.def: Add new builtin function types.
7667         * config/s390/s390-builtins.def: Add overloaded builtin
7668         s390_vec_revb. Add low-level builtins for vlbr and vstbr
7669         instructions.
7670         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
7671         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
7672         ("bswap<mode>"): New expander.
7673         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
7675 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7677         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
7678         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
7679         vector builtin version number in __VEC__.
7681 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7683         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
7684         iterators.
7685         (SFSI): New mode attribute.
7686         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
7687         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
7688         rename to ...
7689         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
7690         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
7691         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
7692         ("floatsi<mode>2"): Add wcefb instruction.
7694 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7696         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
7697         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
7698         mode iterators.
7699         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
7700         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
7701         support 32 bit fp-int conversions. Rename to ...
7702         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
7703         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
7704         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
7705         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
7706         ... to these.
7708 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7710         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
7711         if-then-else constructs if we can use the select instruction.
7712         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
7714 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7716         * config/s390/s390.md ("*popcountdi_arch13_cc")
7717         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
7718         definition.
7719         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
7720         Append _z196 to make it ...
7721         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
7722         ("popcounthi2_z196"): ... this.
7723         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
7724         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
7726 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7728         * config/s390/s390.c (s390_canonicalize_comparison): Convert
7729         certain compares for arch13 in order to make use of the condition
7730         code result produced by the new instructions.
7731         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
7732         nxrk, and nxgrk instruction patterns.
7733         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
7734         (inv_no): Add new code iterator together with some attributes.
7735         ("*andc_split_<mode>"): Disable splitter for arch13.
7736         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
7737         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
7738         ("*<ANDOR:bitops_name>c<GPR:mode>")
7739         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
7740         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
7741         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
7742         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
7744 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7746         * common/config/s390/s390-common.c (processor_flags_table): New
7747         entry for arch13.
7748         * config.gcc: Support arch13 with the --with-arch= configure flag.
7749         * config/s390/driver-native.c (s390_host_detect_local_cpu):
7750         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
7751         * config/s390/s390.c (s390_get_sched_attrmask)
7752         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
7753         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
7754         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
7755         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
7756         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
7757         definitions.
7758         * config/s390/s390.opt: Support arch13 as processor type in
7759         command line options.
7761 2019-04-02  Martin Liska  <mliska@suse.cz>
7763         PR translation/89912
7764         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
7765         Fix param description of graphite-max-arrays-per-scop.
7767 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
7769         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
7770         (ASAN_CC1_SPEC): Use it in 64-bit mode.
7771         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
7773 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
7775         PR rtl-optimization/85412
7776         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
7777         sel_sched_region_1, not after.
7779 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
7781         PR rtl-optimization/86928
7782         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
7783         compute_live if necessary.
7784         (sel_redirect_edge_and_branch): Likewise.
7786 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
7788         PR rtl-optimization/89865
7789         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
7790         register if it is a part of small class.
7792 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
7794         PR rtl-optimization/87273
7795         * sel-sched-ir.c (merge_fences): Remove assert.
7797 2019-04-01  Richard Biener  <rguenther@suse.de>
7799         PR tree-optimization/46590
7800         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
7801         (dom_walker::m_reachability): Add in place of...
7802         (dom_walker::m_skip_unreachable_blocks): ...this.
7803         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
7804         Move complex initialization ...
7805         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
7806         lazily and initialize edge flags on each invocation.
7807         (dom_walker::bb_reachable): Use m_reachability.
7809 2019-04-01  Martin Liska  <mliska@suse.cz>
7811         PR driver/89861
7812         * opt-suggestions.c (option_proposer::build_option_suggestions):
7813         Add variant without any argument in order to provide better
7814         hints.
7816 2019-04-01  Richard Biener  <rguenther@suse.de>
7818         PR c/71598
7819         * gimple.c: Include langhooks.h.
7820         (gimple_get_alias_set): Treat enumeral types as the underlying
7821         integer type.
7823 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
7824             Eric Botcazou  <ebotcazou@adacore.com>
7826         PR rtl-optimization/89862
7827         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
7828         that operates on the full registers for WORD_REGISTER_OPERATIONS
7829         architectures.
7831 2019-03-29  Jim Wilson  <jimw@sifive.com>
7833         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
7834         Clear MASK_RVC and then set if C subset supported.
7836 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
7838         PR c/89872
7839         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
7840         non-addressable complit into its initializer if it is volatile.
7842 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
7844         * opts-common.c (integral_argument): Set errno properly in one case.
7846 2019-03-29  Martin Liska  <mliska@suse.cz>
7848         * doc/invoke.texi: Remove -Wchkp from documentation.
7850 2019-03-29  Martin Liska  <mliska@suse.cz>
7852         * dbgcnt.c (print_limit_reach): New function.
7853         (dbg_cnt): Use it.
7855 2019-03-29  Martin Liska  <mliska@suse.cz>
7857         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
7858         (dbg_cnt_process_opt): Parse first tokens aas
7859         dbg_cnt_process_single_pair is also using strtok.
7861 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
7863         PR rtl-optimization/87485
7864         * function.c (expand_function_end): Move stack_protect_epilogue
7865         before loading of return value into hard register(s).
7867 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
7869         PR middle-end/89621
7870         * tree-inline.h (struct copy_body_data): Add
7871         dont_remap_vla_if_no_change flag.
7872         * tree-inline.c (remap_type_3, remap_type_2): New functions.
7873         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
7874         and remap_type_2 returns false.
7875         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
7876         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
7877         only from where it is copied to nested contexts.
7879 2019-03-28  UroÅ¡ Bizjak  <ubizjak@gmail.com>
7881         PR target/89865
7882         * config/i386/i386.md (RMW operation with LEA peephole):
7883         Use LEAMODE mode attribute instead of SWI mode iterator for
7884         LEA pattern.
7886 2019-03-28  UroÅ¡ Bizjak  <ubizjak@gmail.com>
7888         PR target/89848
7889         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
7890         Also process XEXP (src, 0) of a shift insn.
7892 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
7894         PR middle-end/89725
7895         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
7896         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
7898 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
7900         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
7901         test.
7902         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
7903         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
7904         immediately after first one with df_analyze in between, but rather
7905         process all bbs, queueing ones that need second pass in a worklist,
7906         df_analyze, process queued debug insn changes and if second pass is
7907         needed, process bbs from worklist, df_analyze, process queued debug
7908         insns again.
7910         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
7911         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
7912         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
7914 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
7916         PR c/79022
7917         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
7918         definition.
7920 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
7922         PR target/85667
7923         * config/i386/i386.c (ix86_function_value_1): Call the newly added
7924         function for 32-bit MS_ABI.
7925         (function_value_ms_32): New function.
7927 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
7929         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
7930         (movdi): Call gen_movdi_symbol_save_scc.
7931         (gen_movdi_symbol_save_scc): New insn and split.
7933 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
7935         PR rtl-optimization/89313
7936         * function.c (matching_constraint_num): New static function.
7937         (match_asm_constraints_1): Use it.  Fixup white space and comment.
7938         Don't replace inputs with non-matching constraints which conflict
7939         with early clobber outputs.
7941 2019-03-27  Jeff Law  <law@redhat.com>
7944         PR rtl-optimization/87761
7945         PR rtl-optimization/89826
7946         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
7947         slightly later.
7948         (pass_cprop_hardreg::execute): Call df_analyze after adding the
7949         note problem to get REG_DEAD/REG_UNUSED notes updated.
7951 2019-03-27  Richard Biener  <rguenther@suse.de>
7953         PR tree-optimization/89463
7954         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
7955         queue edges to remove.
7956         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
7957         dead stmts.  Delay edge removal until PHIs are removed to
7958         make debug-stmt creation not confused by seemingly degenerate
7959         PHIs.
7961 2019-03-27  Alan Modra  <amodra@gmail.com>
7963         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
7964         throughout file.
7965         * config/rs6000/darwin.h: Likewise.
7966         * config/rs6000/rs6000.c: Likewise.
7968 2019-03-27  Alan Modra  <amodra@gmail.com>
7970         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
7971         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
7973 2019-03-26  Andrew Waterman  <andrew@sifive.com>
7974             Jim Wilson  <jimw@sifive.com>
7976         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
7977         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
7978         (generic_idivdi, generic_fmul_single, generic_fmul_double)
7979         (generic_fdiv, generic_fsqrt): Add check for generic tune.
7980         (generic_alu): Add auipc to type list.
7981         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
7982         (riscv_microarchitecture): Declare.
7983         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
7984         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
7985         field.
7986         (riscv_microarchitecture): New.
7987         (sifive_7_tune_info): New.
7988         (riscv_cpu_info_table): Add microarchitecture value for rocket and
7989         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
7990         entries.
7991         (riscv_store_data_bypass_p): New.
7992         (riscv_option_override): Set riscv_microarchitecture from
7993         cpu->microarchitecture.
7994         * config/riscv/riscv.md: Include sifive-7.md.
7995         (type): Add auipc.
7996         (tune): New.
7997         (auipc<mode>): Change type to auipc.
7998         (restore_stack_nonlocal): New.
7999         * config/riscv/sifive-7.md: New.
8000         * doc/invoke.texi (RISC-V Options): Update mtune docs.
8002 2019-03-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
8004         PR target/89827
8005         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
8006         Also process XEXP (src, 0) of a shift insn.
8008 2019-03-26  Richard Biener  <rguenther@suse.de>
8010         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
8011         (copy_debug_stmt): Likewise.
8012         (expand_call_inline): Likewise.
8013         (copy_bb): Avoid redundant lookup & set of gimple_block.
8014         * gimple-low.c (lower_gimple_return): Likewise.
8015         (lower_builtin_setjmp): Likewise.
8017 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
8019         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
8020         is constant 0, turn into static const data member initialized to false.
8021         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
8022         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
8024 2019-03-26  Jason Merrill  <jason@redhat.com>
8025             Jakub Jelinek  <jakub@redhat.com>
8027         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
8028         method.
8029         (mem_alloc_description::release_object_overhead): Fix comment typos.
8030         * hash-table.h (hash_table::~hash_table): Call
8031         release_instance_overhead only if m_entries is non-NULL, otherwise
8032         call unregister_descriptor.
8034 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
8036         PR tree-optimization/81740
8037         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
8038         In case of outer loop vectorization, check for backward dependence
8039         at the inner loop if outer loop dependence is reversed.
8041 2019-03-26  Alan Modra  <amodra@gmail.com>
8043         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
8044         rs6000_vector_mem init.  Correct wI and wJ comment.
8046 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
8048         PR rtl-optimization/88347
8049         PR rtl-optimization/88423
8050         * sched-deps.c (sched_analyze_insn): Take into account that for
8051         tablejumps the barrier appears after a label and a jump_table_data.
8053 2019-03-25  Martin Sebor  <msebor@redhat.com>
8055         PR c/89812
8056         * c-common.c (check_user_alignment): Rename local.  Correct maximum
8057         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
8058         convert it to UHWI when it fits.
8060 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
8062         PR debug/86964
8063         * dwarf2out.c (premark_used_variables): New function.
8064         (prune_unused_types_walk): Do not mark not premarked external
8065         variables.
8066         (prune_unused_types): Call premark_used_variables.
8068 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
8070         PR rtl-optimization/89676
8071         * lra-constraints.c (curr_insn_transform): Do match reload for
8072         early clobbers when the match was successful only for different
8073         registers.
8075 2019-03-25  Martin Sebor  <msebor@redhat.com>
8077         * doc/extend.texi (Common Type Attributes): Document vector_size.
8078         (Common Variable Attributes): Mention size constraint.  Correct
8079         quoting and typos.
8080         (Vector Extensions): Use @dfn when defining bas type.  Clarify
8081         base type and size constraints.
8083 2019-03-25  Richard Biener  <rguenther@suse.de>
8085         PR tree-optimization/89789
8086         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
8087         changes from non-undefined back to undefined.
8089 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
8091         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
8092         heap string and a gc string, but since this variable is unknown to
8093         ggc the gc string might get reused and corrupted. Fixed by always
8094         using a heap string.
8096 2019-03-25  Richard Biener  <rguenther@suse.de>
8098         PR tree-optimization/89779
8099         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
8100         to remove IV defs, delay actual removal.
8101         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
8102         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
8103         very end, properly also reset loop control IV information.
8105 2019-03-25  Richard Biener  <rguenther@suse.de>
8107         PR tree-optimization/89802
8108         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
8109         move EH data to folded stmt.
8111 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
8113         * config/s390/s390-builtin-types.def: Remove few unused types and
8114         fix sort order for others.
8116 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
8118         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
8119         expected and found types with -mdebug during builtin matching.
8121 2019-03-25  Richard Biener  <rguenther@suse.de>
8123         PR middle-end/89790
8124         * fold-const.c (operand_equal_p): Revert last change with
8125         updated comment.
8127 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
8129         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
8130         notes for the result of the __tls_get_addr calls.
8131         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
8133 2019-03-24  Jeff Law  <law@redhat.com>
8135         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
8137         PR rtl-optimization/87761
8138         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
8139         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
8140         as needed.
8141         (pass_cprop_hardreg::execute): Add df note problem and defer insn
8142         rescans.  Reprocess blocks as needed, calling df_analyze before
8143         reprocessing.  Always call df_analyze before fixing up debug bind
8144         insns.
8146 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
8148         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
8149         big endian.
8151 2019-03-22  Andrew Pinski  <apinski@marvell.com>
8153         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
8154         attrribute for uxtw.
8156 2019-03-26  Jeff Law  <law@redhat.com>
8158         PR rtl-optimization/87761
8159         * config/mips/mips-protos.h (mips_split_move): Add new argument.
8160         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
8161         (mips_split_move): Accept new INSN argument.  Try to forward SRC
8162         into the next instruction.
8163         (mips_split_move_insn): Pass INSN through to mips_split_move.
8165 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
8167         PR rtl-optimization/89676
8168         * lra-constraints.c (curr_insn_transform): Do match reload for
8169         early clobbers even if the match was successful.
8171 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
8173         PR c++/87481
8174         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
8176 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
8178         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
8180 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
8182         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
8183         <avx512>_fmsub_<mode>_mask3<round_name>,
8184         <avx512>_fnmadd_<mode>_mask3<round_name>,
8185         <avx512>_fnmsub_<mode>_mask3<round_name>,
8186         avx512f_vmfmadd_<mode>_mask3<round_name>,
8187         avx512f_vmfmsub_<mode>_mask3<round_name>,
8188         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
8189         instead of register_operand and %v instead of v for match_operand 1.
8190         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
8191         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
8192         <round_nimm_predicate> instead of register_operand and %v instead of v
8193         for match_operand 1.
8195         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
8196         <avx512>_fmadd_<mode>_mask3<round_name>,
8197         <avx512>_fmsub_<mode>_mask<round_name>,
8198         <avx512>_fmsub_<mode>_mask3<round_name>,
8199         <avx512>_fnmadd_<mode>_mask<round_name>,
8200         <avx512>_fnmadd_<mode>_mask3<round_name>,
8201         <avx512>_fnmsub_<mode>_mask<round_name>,
8202         <avx512>_fnmsub_<mode>_mask3<round_name>,
8203         <avx512>_fmaddsub_<mode>_mask<round_name>,
8204         <avx512>_fmaddsub_<mode>_mask3<round_name>,
8205         <avx512>_fmsubadd_<mode>_mask<round_name>,
8206         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
8207         <round_nimm_predicate> instead of nonimmediate_operand.
8208         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
8209         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
8210         Use register_operand instead of <round_nimm_predicate> for the
8211         operand that needs to match output.
8212         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
8213         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
8214         Likewise.  Formatting fixes.
8216         PR target/89784
8217         * config/i386/i386.c (enum ix86_builtins): Remove
8218         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
8219         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
8220         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
8221         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
8222         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
8223         __builtin_ia32_vfmsubss3_mask3): New builtins.
8224         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
8225         avx512f_vmfmadd_<mode>_mask3<round_name>,
8226         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
8227         *avx512f_vmfmsub_<mode>_mask<round_name>,
8228         avx512f_vmfmsub_<mode>_mask3<round_name>,
8229         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
8230         *avx512f_vmfnmadd_<mode>_mask<round_name>,
8231         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
8232         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
8233         *avx512f_vmfnmsub_<mode>_mask<round_name>,
8234         avx512f_vmfnmsub_<mode>_mask3<round_name>,
8235         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
8236         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
8237         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
8238         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
8239         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
8240         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
8241         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
8242         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
8243         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
8244         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
8245         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
8246         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
8247         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
8248         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
8249         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
8250         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
8251         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
8252         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
8253         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
8254         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
8255         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
8256         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
8258 2019-03-21  Martin Sebor  <msebor@redhat.com>
8260         PR tree-optimization/89350
8261         * builtins.c (compute_objsize): Also ignore offsets whose upper
8262         bound is negative.
8263         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
8264         (builtin_memref::builtin_memref): Initialize new member.
8265         Allow EXPR to be null.
8266         (builtin_memref::extend_offset_range): Replace local with a member.
8267         Avoid assuming pointer offsets are unsigned.
8268         (builtin_memref::set_base_and_offset): Determine base object
8269         before computing offset range.
8270         (builtin_access::builtin_access): Handle memset.
8271         (builtin_access::generic_overlap): Replace local with a member.
8272         (builtin_access::strcat_overlap): Same.
8273         (builtin_access::overlap): Same.
8274         (maybe_diag_overlap): Same.
8275         (maybe_diag_access_bounds): Same.
8276         (wrestrict_dom_walker::check_call): Handle memset.
8277         (check_bounds_or_overlap): Same.
8279 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
8280             Jakub Jelinek  <jakub@redhat.com>
8282         PR lto/89692
8283         * tree.c (fld_type_variant, fld_incomplete_type_of,
8284         fld_process_array_type): Call fld->pset.add and don't call
8285         add_tree_to_fld_list if it returns true.
8286         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
8287         non-marked types from TYPE_NEXT_VARIANT list.
8288         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
8290 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
8292         * hash-table.h (hash_table): Add Lazy template parameter defaulted
8293         to false, if true, don't alloc_entries during construction, but defer
8294         it to the first method that needs m_entries allocated.
8295         (hash_table::hash_table, hash_table::~hash_table,
8296         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
8297         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
8298         hash_table::clear_slot, hash_table::traverse_noresize,
8299         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
8300         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
8301         false.
8302         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
8303         NO_INSERT instead of find_with_hash.
8304         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
8305         hash_set::m_table): Add Lazy to template params of hash_table.
8306         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
8307         * attribs.c (test_attribute_exclusions): Likewise.
8308         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
8309         hash_set.  Add tests for hash_set with Lazy = true.
8311 2019-03-21  Richard Biener  <rguenther@suse.de>
8313         PR tree-optimization/89779
8314         * tree.c (tree_nop_conversion): Consolidate and fix defensive
8315         checks with respect to released SSA names now having error_mark_node
8316         type.
8317         * fold-const.c (operand_equal_p): Likewise.
8319 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
8321         PR target/89775
8322         * config/s390/s390.c (global_not_special_regno_p): Move to make it
8323         available to ...
8324         (s390_optimize_register_info): Use global_not_special_regno_p to
8325         check for global regs.
8327 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
8329         PR target/89752
8330         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
8331         update this_alternative nor this_alternative_set.
8333 2019-03-19  Jim Wilson  <jimw@sifive.com>
8335         PR target/89411
8336         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
8337         align, size, offset.  Use them to handle a BLKmode reference.  Update
8338         comment.
8339         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
8341 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
8343         PR rtl-optimization/89768
8344         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
8345         instead of GEN_INT.
8346         (unroll_loop_runtime_iterations): Likewise.
8348 2019-03-19  Martin Sebor  <msebor@redhat.com>
8350         PR tree-optimization/89644
8351         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
8352         rather than endptr as an indicator of nul-termination.
8354         PR tree-optimization/89644
8355         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
8356         arrays in determining sequence sizes in strncpy and stpncpy.
8358 2019-03-19  Martin Liska  <mliska@suse.cz>
8360         PR middle-end/89737
8361         * predict.c (combine_predictions_for_bb): Empty likely_edges and
8362         unlikely_edges if there's an edge that belongs to both these sets.
8364 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
8366         PR target/89746
8367         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
8368         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
8369         go via a stack temporary.
8371 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
8373         PR target/89378
8374         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
8375         instead of gen_rtx_SUBREG.
8376         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
8378 2019-03-19  Richard Biener  <rguenther@suse.de>
8380         PR debug/88389
8381         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
8383 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
8385         PR lto/87809
8386         PR lto/89335
8387         * tree.c (free_lang_data_in_decl): Do not free context of C++
8388         destrutors.
8390 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
8392         PR target/89506
8393         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
8394         subs for the first alternative except when operands[3] is 1.
8396         PR target/89752
8397         * gimplify.c (gimplify_asm_expr): For output argument with
8398         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
8399         diagnose error.
8401 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
8403         PR rtl-optimization/89753
8404         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
8405         explicit unrolling factor even more robust.
8407 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
8409         PR target/89726
8410         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
8411         compensation use x2 += 1 instead of x2 -= -1 and when honoring
8412         signed zeros, do another copysign after the compensation.
8414 2019-03-18  Martin Sebor  <msebor@redhat.com>
8416         PR tree-optimization/89720
8417         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
8418         more conservatively, the same as anti-range.
8420 2019-03-18  Richard Biener  <rguenther@suse.de>
8422         PR middle-end/88945
8423         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
8424         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
8425         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
8426         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
8428 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
8430         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
8431         Extend queue to 1024 entries.
8432         Add "consumed" field.
8433         (gomp_print_output): Remove print_index parameter.
8434         Add final parameter.
8435         Change limit to unsigned.
8436         Use consumed field to implement circular buffer.
8437         Detect interrupted print in final pass.
8438         Flush output at the end.
8439         (run): Update gomp_print_output usage.
8440         (main): Initialize kernargs->output_data.consumed.
8442 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
8444         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
8445         calculation of the minimum number of scalar iterations for
8446         fully-predicated loops.
8448 2019-03-18  Martin Jambor  <mjambor@suse.cz>
8450         PR tree-optimization/89546
8451         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
8452         any propagation to its children took place.
8454 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
8456         PR target/89627
8457         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
8458         parameter, and make use of it.
8459         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
8461 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
8463         * config/arc/arc.opt (mcode-density-frame): Get the inital value
8464         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
8465         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
8466         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
8467         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
8468         match what the ops is doing.
8469         (push_multi_fp_blink): Likewise.
8470         * config/arc/arc.c (arc_override_options): Enable enter/leave when
8471         compiling for size and elf target.
8472         (arc_save_callee_enter): Adjust note to match what enter/leave
8473         operation does.
8475 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
8477         * config/arc/arc.md (tst_movb): Fix constraint.
8479 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
8481         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
8483 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
8485         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
8486         * config/arc/arc.c (arc_conditional_register_usage): Remove all
8487         reg_alloc_order references.
8488         (size_alloc_order): Define.
8489         (arc_adjust_reg_alloc_order): New function.
8490         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
8491         order.
8492         (ADJUST_REG_ALLOC_ORDER): Define.
8493         (HONOR_REG_ALLOC_ORDER): Likewise.
8495 2019-03-18  Richard Biener  <rguenther@suse.de>
8497         PR target/87561
8498         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
8499         loads and stores a bit more.
8501 2019-03-18  Richard Biener  <rguenther@suse.de>
8503         PR target/87561
8504         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
8505         load pessimization to stores as well.
8507 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
8509         PR middle-end/86979
8510         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
8511         successor, use NULL as its av set.
8513 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
8515         PR rtl-optimization/89721
8516         * lra-constraints (invariant_p): Return false if side_effects_p holds.
8518 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8520         PR target/87532
8521         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
8522         When handling vec_extract, use modular arithmetic to allow
8523         constant selectors greater than vector length.
8524         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
8525         V1TImode vectors to have constant selector values greater than 0.
8526         Use modular arithmetic to compute vector index.
8527         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
8528         index for in-memory vectors.  Correct code generation for
8529         in-register vectors.
8530         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
8531         compute index.
8533 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
8535         PR c++/88534
8536         PR c++/88537
8537         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
8538         VAR_DECL args.
8540 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
8542         PR c++/89709
8543         * tree.c (inchash::add_expr): Strip any location wrappers.
8544         * fold-const.c (operand_equal_p): Move stripping of location wrapper
8545         after hash verification.
8547         PR debug/89704
8548         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
8549         SIGN_EXTEND and ZERO_EXTEND.
8551 2019-03-14  Jason Merrill  <jason@redhat.com>
8552             Jakub Jelinek  <jakub@redhat.com>
8554         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
8555         than if is_empty (*slot).
8556         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
8557         existing elt and for elt removal.
8558         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
8559         of already removed elt.
8561 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
8563         PR target/89650
8564         * config/i386/i386.c (remove_partial_avx_dependency): Handle
8565         REG_EH_REGION note.
8567 2019-03-14  Martin Liska  <mliska@suse.cz>
8569         PR other/89712
8570         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
8572 2019-03-14  Richard Biener  <rguenther@suse.de>
8574         PR target/89711
8575         * config/i386/i386.c (make_resolver_func): Properly set
8576         DECL_CONTEXT on the RESULT_DECL.
8577         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
8579 2019-03-14  Richard Biener  <rguenther@suse.de>
8581         * gimple-pretty-print.c: Include cfgloop.h.
8582         (dump_gimple_phi): Adjust.
8583         (dump_gimple_bb_header): Dump loop header for GIMPLE.
8584         (pp_cfg_jump): Adjust.
8585         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
8586         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
8587         (lower_phi_internal_fn): Remove.
8588         (verify_gimple_call): Remove IFN_PHI special-casing.
8589         (dump_function_to_file): Dump IL state.
8590         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
8591         done to deal with PHI nodes being present in non-SSA state.
8593 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
8595         PR ipa/89684
8596         * multiple_target.c (create_dispatcher_calls): Change
8597         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
8598         In the node->iterate_referring loop, push *ref rather than ref, call
8599         ref->remove_reference () and always pass 0 to iterate_referring.
8601         PR rtl-optimization/89679
8602         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
8603         would contain a paradoxical SUBREG.
8605 2019-03-14  Richard Biener  <rguenther@suse.de>
8607         PR tree-optimization/89710
8608         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
8609         safe_dyn_cast.
8611 2019-03-14  Martin Liska  <mliska@suse.cz>
8613         * coverage.c (coverage_begin_function): Stream also
8614         end_column.
8615         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
8616         documentation about function declaration location.
8617         * gcov-dump.c (tag_function): Print whole range
8618         of function declaration.
8619         * gcov.c (struct function_info): Add end_column field.
8620         (function_info::function_info): Initialize it.
8621         (output_json_intermediate_file): Output {start,end}_column
8622         fields.
8623         (read_graph_file): Read end_column.
8625 2019-03-14  Richard Biener  <rguenther@suse.de>
8627         PR middle-end/89698
8628         * fold-const.c (operand_equal_p): For INDIRECT_REF check
8629         that the access types are similar.
8631 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
8633         PR tree-optimization/89703
8634         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
8635         aren't compatible also with builtin_decl_explicit.  Check pure
8636         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
8637         and BUILT_IN_STPNCPY{,_CHK}.
8639 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
8641         PR target/89523
8642         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
8643         addr32 prefix to VSIB address for X32.
8644         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
8645         "%M2" to opcode.
8646         (*avx512pf_gatherpf<mode>df_mask): Likewise.
8647         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
8648         (*avx512pf_scatterpf<mode>df_mask): Likewise.
8649         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
8650         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
8651         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
8652         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
8653         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
8654         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
8655         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
8656         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
8657         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
8658         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
8659         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
8660         (*avx512f_scatterdi<mode>): Likewise.
8662 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
8664         PR target/85860
8665         * lra-constraints.c (inherit_in_ebb): Update
8666         potential_reload_hard_regs along with live_hard_regs.
8668 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
8670         PR debug/89498
8671         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
8672         DWARF_OFFSET_SIZE.
8673         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
8675 2019-03-13  Martin Sebor  <msebor@redhat.com>
8677         PR tree-optimization/89662
8678         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
8679         has a size.
8681 2019-03-13  Richard Biener  <rguenther@suse.de>
8683         PR middle-end/89677
8684         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
8685         throw FP expressions at tree-affine.
8687 2019-03-14  Richard Biener  <rguenther@suse.de>
8689         * tree-pretty-print.c (dump_generic_node): For -gimple properly
8690         dump negative integer constants using _Literal (type) -num.
8692 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
8694         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
8695         nonlocal_value member.
8697         PR middle-end/88588
8698         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
8699         (ipa_simd_modify_function_body): Handle PHIs.
8701 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
8703         * config/s390/s390.c (s390_option_override_internal): Use more
8704         aggressive inlining parameters.
8706 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
8708         * config/s390/3906.md: New file.
8709         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
8710         (LONGRUNNING_THRESHOLD): Remove.
8711         (MAX_SCHED_MIX_SCORE): Decrease.
8712         (MAX_SCHED_MIX_DISTANCE): Decrease.
8713         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
8714         (struct s390_sched_state): New struct to hold scheduling state.
8715         (S390_SCHED_STATE_NORMAL): Remove.
8716         (S390_SCHED_STATE_CRACKED): Remove.
8717         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
8718         (s390_get_sched_attrmask): Use new attribute.
8719         (s390_get_unit_mask): Use new units.
8720         (s390_is_fpd): New function.
8721         (s390_is_fxd): New function.
8722         (s390_is_longrunning): New function.
8723         (s390_sched_score): Use new functions.
8724         (s390_sched_reorder): Likewise.
8725         (s390_sched_variable_issue): Rework and use new functions.
8726         (s390_sched_init): Use new functions.
8727         * config/s390/s390.h (s390_tune_attr):  Add z14.
8728         * config/s390/s390.md: Add z14.
8730 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
8732         * config/s390/2964.md: Update pipeline description.
8733         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
8734         (LONGRUNNING_THRESHOLD): Remove.
8735         (LATENCY_FACTOR): Remove.
8736         (s390_get_unit_mask): Add unit.
8737         (s390_sched_score): Use fxd/fpd.
8738         (s390_sched_variable_issue): Use fxd/fpd.
8740 2019-03-12  Martin Liska  <mliska@suse.cz>
8742         * config/i386/i386.c: Reword an error message.
8744 2019-03-12  Martin Jambor  <mjambor@suse.cz>
8746         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
8747         terminate with newline.
8749 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
8751         PR target/52726
8752         * config/s390/s390.md (tabort): Use %wd instead of
8753         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
8754         letters and periods.
8755         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
8756         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
8757         's with %< and %>.
8759         PR middle-end/89663
8760         * builtins.c (expand_builtin_int_roundingfn,
8761         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
8762         gcc_unreachable if validate_arglist fails.
8764 2019-03-12  Richard Biener  <rguenther@suse.de>
8766         PR tree-optimization/89664
8767         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
8768         free the occurance tree after the early out.
8770 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
8772         PR middle-end/89655
8773         PR bootstrap/89656
8774         * vr-values.c (vr_values::update_value_range): If
8775         old_vr->varying_p (), don't update it, make new_vr also VARYING
8776         and return false.
8778 2019-03-11  Martin Liska  <mliska@suse.cz>
8780         * config/aarch64/aarch64.c (aarch64_override_options_internal):
8781         Fix double string quoting.
8783 2019-03-11  Martin Liska  <mliska@suse.cz>
8785         * collect-utils.c (collect_wait): Wrap apostrophes
8786         in gcc internal format with %'.
8787         * collect2.c (main): Likewise.
8788         (scan_prog_file): Likewise.
8789         (scan_libraries): Likewise.
8790         * config/i386/i386.c (ix86_expand_call): Likewise.
8791         (ix86_handle_interrupt_attribute): Likewise.
8792         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
8793         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
8794         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
8795         * lto-wrapper.c (find_crtoffloadtable): Likewise.
8796         * symtab.c (symtab_node::verify_base): Likewise.
8797         * tree-cfg.c (verify_gimple_label): Likewise.
8798         * tree.c (verify_type_variant): Likewise.
8800 2019-03-11  Martin Liska  <mliska@suse.cz>
8802         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
8803         in a string format message and fix GNU coding style.
8804         (expand_builtin_set_thread_pointer): Likewise.
8805         * common/config/aarch64/aarch64-common.c
8806         (aarch64_rewrite_selected_cpu): Likewise.
8807         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
8808         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
8809         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
8810         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
8811         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
8812         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
8813         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
8814         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
8815         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
8816         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
8817         Likewise.
8818         * common/config/riscv/riscv-common.c
8819         (riscv_subset_list::parsing_subset_version): Likewise.
8820         (riscv_subset_list::parse_std_ext): Likewise.
8821         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
8822         (riscv_subset_list::parse): Likewise.
8823         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
8824         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
8825         (aarch64_override_options_internal): Likewise.
8826         (aarch64_validate_mcpu): Likewise.
8827         (aarch64_validate_march): Likewise.
8828         (aarch64_validate_mtune): Likewise.
8829         (aarch64_override_options): Likewise.
8830         * config/alpha/alpha.c (alpha_option_override): Likewise.
8831         * config/arc/arc.c (arc_init): Likewise.
8832         (parse_mrgf_banked_regs_option): Likewise.
8833         (arc_override_options): Likewise.
8834         (arc_expand_builtin_aligned): Likewise.
8835         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
8836         (arm_expand_builtin): Likewise.
8837         * config/arm/arm.c (arm_option_check_internal): Likewise.
8838         (arm_configure_build_target): Likewise.
8839         (arm_option_override): Likewise.
8840         (arm_options_perform_arch_sanity_checks): Likewise.
8841         (arm_handle_cmse_nonsecure_entry): Likewise.
8842         (arm_handle_cmse_nonsecure_call): Likewise.
8843         (arm_tls_referenced_p): Likewise.
8844         (thumb1_expand_prologue): Likewise.
8845         * config/avr/avr.c (avr_option_override): Likewise.
8846         * config/bfin/bfin.c (bfin_option_override): Likewise.
8847         * config/c6x/c6x.c (c6x_option_override): Likewise.
8848         * config/cr16/cr16.c (cr16_override_options): Likewise.
8849         * config/cris/cris.c (cris_option_override): Likewise.
8850         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
8851         * config/darwin-c.c (macosx_version_as_macro): Likewise.
8852         * config/darwin.c (darwin_override_options): Likewise.
8853         * config/frv/frv.c (frv_expand_builtin): Likewise.
8854         * config/h8300/h8300.c (h8300_option_override): Likewise.
8855         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
8856         (ix86_option_override_internal): Likewise.
8857         (warn_once_call_ms2sysv_xlogues): Likewise.
8858         (ix86_expand_prologue): Likewise.
8859         (split_stack_prologue_scratch_regno): Likewise.
8860         (ix86_warn_parameter_passing_abi): Likewise.
8861         * config/ia64/ia64.c (fix_range): Likewise.
8862         * config/m68k/m68k.c (m68k_option_override): Likewise.
8863         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
8864         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
8865         (mips_set_compression_mode): Likewise.
8866         * config/mmix/mmix.c (mmix_option_override): Likewise.
8867         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
8868         * config/msp430/msp430.c (msp430_option_override): Likewise.
8869         * config/nds32/nds32.c (nds32_option_override): Likewise.
8870         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
8871         (nios2_option_override): Likewise.
8872         (nios2_expand_custom_builtin): Likewise.
8873         * config/nvptx/mkoffload.c (main): Likewise.
8874         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
8875         * config/pa/pa.c (fix_range): Likewise.
8876         (pa_option_override): Likewise.
8877         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
8878         (riscv_option_override): Likewise.
8879         * config/rl78/rl78.c (rl78_option_override): Likewise.
8880         * config/rs6000/aix61.h: Likewise.
8881         * config/rs6000/aix71.h: Likewise.
8882         * config/rs6000/aix72.h: Likewise.
8883         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
8884         * config/rs6000/freebsd64.h: Likewise.
8885         * config/rs6000/linux64.h: Likewise.
8886         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
8887         (rs6000_expand_zeroop_builtin): Likewise.
8888         (rs6000_expand_mtfsb_builtin): Likewise.
8889         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
8890         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
8891         (rs6000_invalid_builtin): Likewise.
8892         (rs6000_expand_split_stack_prologue): Likewise.
8893         * config/rs6000/rtems.h: Likewise.
8894         * config/rx/rx.c (valid_psw_flag): Likewise.
8895         (rx_expand_builtin): Likewise.
8896         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
8897         * config/s390/s390.c (s390_expand_builtin): Likewise.
8898         (s390_function_profiler): Likewise.
8899         (s390_option_override_internal): Likewise.
8900         (s390_option_override): Likewise.
8901         * config/sh/sh.c (sh_option_override): Likewise.
8902         (sh_builtin_saveregs): Likewise.
8903         (sh_fix_range): Likewise.
8904         * config/sh/vxworks.h: Likewise.
8905         * config/sparc/sparc.c (sparc_option_override): Likewise.
8906         * config/spu/spu.c (spu_option_override): Likewise.
8907         (fix_range): Likewise.
8908         * config/visium/visium.c (visium_option_override): Likewise.
8909         (visium_handle_interrupt_attr): Likewise.
8910         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
8911         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
8912         (dbg_cnt_process_opt): Likewise.
8913         * dwarf2out.c (output_dwarf_version): Likewise.
8914         * except.c (expand_eh_return): Likewise.
8915         * gcc.c (defined): Likewise.
8916         (driver_handle_option): Likewise.
8917         (process_command): Likewise.
8918         (compare_files): Likewise.
8919         (driver::prepare_infiles): Likewise.
8920         (driver::do_spec_on_infiles): Likewise.
8921         (driver::maybe_run_linker): Likewise.
8922         * omp-offload.c (oacc_parse_default_dims): Likewise.
8923         * opts-global.c (handle_common_deferred_options): Likewise.
8924         * opts.c (parse_sanitizer_options): Likewise.
8925         (common_handle_option): Likewise.
8926         (enable_warning_as_error): Likewise.
8927         * passes.c (enable_disable_pass): Likewise.
8928         * plugin.c (parse_plugin_arg_opt): Likewise.
8929         (default_plugin_dir_name): Likewise.
8930         * targhooks.c (default_expand_builtin_saveregs): Likewise.
8931         (default_pch_valid_p): Likewise.
8932         * toplev.c (init_asm_output): Likewise.
8933         (process_options): Likewise.
8934         (toplev::run_self_tests): Likewise.
8935         * tree-cfg.c (verify_gimple_call): Likewise.
8936         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
8937         (tree_inlinable_function_p): Likewise.
8938         * var-tracking.c (vt_find_locations): Likewise.
8940 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
8942         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
8943         only on the else branch.
8945 2019-03-11  Martin Liska  <mliska@suse.cz>
8947         * gcov.c (output_intermediate_json_line): Print function
8948         name of each line.
8949         (output_json_intermediate_file): Add new argument.
8950         * doc/gcov.texi: Document the change.
8952 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
8954         PR rtl-optimization/89588
8955         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
8956         explicit unrolling factor more robust.
8958 2019-03-11  Richard Biener  <rguenther@suse.de>
8960         PR tree-optimization/89649
8961         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
8962         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
8963         on the prolog and epilog loops.
8964         (vect_loop_versioning): Return copy of loop.
8965         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
8966         on the non-vectorized version of the loop.
8968 2019-03-10  UroÅ¡ Bizjak  <ubizjak@gmail.com>
8970         PR target/68924
8971         * config/i386/sse.md (*vec_extractv2di_0_sse):
8972         Add (=r,x) alternative and corresponding splitter.
8974 2019-03-10  Martin Jambor  <mjambor@suse.cz>
8976         PR tree-optimization/85762
8977         PR tree-optimization/87008
8978         PR tree-optimization/85459
8979         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
8980         it points to if there is a type changing MEM_REF.  Adjust all callers.
8981         (build_accesses_from_assign): Disable total scalarization if
8982         contains_vce_or_bfcref_p returns true through the new parameter, for
8983         both rhs and lhs.
8985 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
8987         PR c/88568
8988         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
8989         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
8991         PR target/79645
8992         * common.opt (fdiagnostics-show-labels,
8993         fdiagnostics-show-line-numbers, fdiagnostics-format=,
8994         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
8995         gas-locview-support, ginline-points, ginternal-reset-location-views):
8996         Terminate description text with a dot.
8997         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
8998         * config/mcore/mcore.opt (m210, m340): Likewise.
8999         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
9000         mnops=): Start description text with a capital letter.
9001         * config/arc/arc.opt (msize-level=): Likewise.
9002         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
9003         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
9004         mnewlib): Likewise.
9005         * config/ft32/ft32.opt (msim): Likewise.
9006         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
9007         (mnodiv, mnopm): Terminate description text with a dot.
9008         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
9009         a colon.
9010         * config/i386/i386.opt (prefer_vector_width, instrument_return):
9011         Likewise.
9012         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
9013         text.
9015         PR rtl-optimization/89634
9016         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
9017         are modified in BB_END (e->src) instruction.
9019 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
9021         PR target/79926
9022         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
9023         messages more amenable to translation, and improve wording.
9025 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
9027         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
9028         ud- and du-chains between phases.
9030 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
9032         PR debug/89631
9033         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
9034         instead of POLY_INT_CST.
9036 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
9038         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
9039         requirement.
9041 2019-03-08  UroÅ¡ Bizjak  <ubizjak@gmail.com>
9043         PR target/68924
9044         PR target/78782
9045         PR target/87558
9046         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
9047         (_mm_storeu_si64): Ditto.
9049 2019-03-08  Martin Liska  <mliska@suse.cz>
9051         PR target/86952
9052         * config/i386/i386.c (ix86_option_override_internal): Disable
9053         jump tables when retpolines are used.
9055 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
9057         PR go/63560
9058         * ipa-split.c (execute_split_functions): Do not split
9059         'noinline' or 'section' function.
9061 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
9063         PR target/79846
9064         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
9065         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
9066         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
9068         PR ipa/80000
9069         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
9070         from diagnostics.  Formatting fixes.
9072         PR target/85665
9073         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
9074         warn_odr diagnostics.
9076         PR other/80058
9077         * lra-constraints.c (process_alt_operands): Avoid one space before
9078         " at the end of line and another after " on another line in a string
9079         literal.
9080         * attribs.c (handle_dll_attribute): Likewise.
9081         * config/avr/avr-devices.c (avr_texinfo): Likewise.
9083         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
9084         warning_at or inform messages in G_() if there is no ?:.
9086         PR tree-optimization/89550
9087         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
9088         returned true.  Formatting fixes.
9089         (expand_builtin_strnlen): Formatting fixes.
9090         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
9091         if warning_at returned true.
9092         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
9094 2019-03-08  Richard Biener  <rguenther@suse.de>
9096         PR middle-end/89578
9097         * cfgloop.h (struct loop): Add owned_clique field.
9098         * cfgloopmanip.c (copy_loop_info): Copy it.
9099         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
9100         cliques.
9101         * tree-inline.c (copy_loops): Remap owned_clique.
9102         * lto-streamer-in.c (input_cfg): Stream owned_clique.
9103         * lto-streamer-out.c (output_cfg): Likewise.
9105 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
9107         PR target/80190
9108         * config/darwin.c: Include intl.h.
9109         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
9110         composing the message out of two separate parts.
9112 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
9114         PR target/80003
9115         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
9116         doesn't start with a capital letter and doesn't end with a dot.
9117         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
9118         with a capital letter.
9119         (ix86_mangle_function_version_assembler_name): Likewise.
9120         (ix86_generate_version_dispatcher_body): Likewise.
9121         (fold_builtin_cpu): Likewise.
9122         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
9123         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
9124         translators, wrap full type name in %qs.
9126         PR translation/79999
9127         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
9128         depend clause with source (or sink) modifier.
9129         * omp-expand.c (expand_omp_ordered_sink): Likewise.
9131         PR target/89602
9132         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
9133         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
9134         (avx512f_load<mode>_mask): New define_expand.
9135         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
9136         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
9137         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
9138         __builtin_ia32_movess_mask): New builtins.
9139         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
9140         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
9141         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
9142         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
9144 2019-03-07  Martin Jambor  <mjambor@suse.cz>
9146         PR lto/87525
9147         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
9148         for extern inline functions.
9150 2019-03-07  Martin Jambor  <mjambor@suse.cz>
9152         PR ipa/88235
9153         * cgraph.h (cgraph_node): New inline method former_thunk_p.
9154         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
9155         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
9156         have multiple callees.  At the end check if declarations match as
9157         opposed to cgraph_nodes.
9159 2019-03-07  Martin Liska  <mliska@suse.cz>
9161         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
9162         which is equivalent to searching for this in clones chain.
9163         * symtab.c (symtab_node::verify_base): Similarly compare ASM
9164         names with a neighbour and special case first node in a chain.
9166 2019-01-25  Jason Merrill  <jason@redhat.com>
9168         PR c++/80916 - spurious "static but not defined" warning.
9169         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
9170         for an internal symbol with DECL_EXTERNAL.
9172 2019-04-07  Richard Biener  <rguenther@suse.de>
9174         PR middle-end/89618
9175         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
9176         * tree-inline.c (copy_loops): Simplify.
9178 2019-03-07  Martin Liska  <mliska@suse.cz>
9180         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
9182 2019-03-07  Richard Biener  <rguenther@suse.de>
9184         PR tree-optimization/89595
9185         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
9186         stmt iterator as reference, take boolean output parameter to
9187         indicate whether the stmt was removed and thus the iterator
9188         already advanced.
9189         (dom_opt_dom_walker::before_dom_children): Re-iterate over
9190         stmts created by folding.
9192 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
9194         PR c++/89585
9195         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
9196         at toplevel.
9198 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
9200         PR rtl-optimization/88845
9201         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
9202         LRA.
9203         * lra.c (remove_scratches_1): New function.
9204         (remove_scratches): Use it.
9205         (lra_emit_move): Likewise.
9207 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
9209         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
9210         unaligned_access variable.
9211         * config/arc/arc.c (arc_override_options): Set unaligned access
9212         default on for HS CPUs.
9213         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
9215 2019-03-06  Martin Liska  <mliska@suse.cz>
9217         PR gcov-profile/89577
9218         * doc/gcov.texi: Prefer to use --coverage.
9219         * doc/sourcebuild.texi: Likewise.
9221 2019-03-02  Jason Merrill  <jason@redhat.com>
9223         PR c++/86485 - -Wmaybe-unused with empty class ?:
9224         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
9226 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
9228         PR target/89587
9229         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
9230         if_multiarch.
9232         PR middle-end/89590
9233         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
9234         exactly one argument.
9236 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
9237             Richard Sandiford  <richard.sandiford@arm.com>
9239         PR tree-optimization/89570
9240         * match.pd (vec_cond into cond_op simplification): Don't use
9241         get_conditional_internal_fn, use as_internal_fn (cond_op).
9243 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
9245         PR target/89222
9246         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
9247         to decide when to split off a non-zero offset from a symbol.
9248         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
9249         in function symbols.
9251 2019-03-05  Richard Biener  <rguenther@suse.de>
9253         PR tree-optimization/89594
9254         * tree-if-conv.c (pass_if_conversion::execute): Handle
9255         case where .LOOP_VECTORIZED_FUNCTION was removed.
9257 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
9259         PR bootstrap/89560
9260         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
9261         instead alloca it only when needed with the needed size.
9263         PR tree-optimization/89570
9264         * match.pd (vec_cond into cond_op simplification): Guard with
9265         vectorized_internal_fn_supported_p test and #if GIMPLE.
9267         PR tree-optimization/89566
9268         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
9269         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
9270         Punt if get_user_idx_format succeeds, but idx_format argument is
9271         not provided or doesn't have pointer type, or if idx_args is above
9272         number of provided arguments.
9274 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
9276         PR tree-optimization/89437
9277         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
9279 2019-03-04  Richard Biener  <rguenther@suse.de>
9281         PR middle-end/89572
9282         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
9283         safe_dyn_cast.
9285 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
9287         PR tree-optimization/89487
9288         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
9289         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
9290         (distribute_loop): Don't do runtime alias check if there is non-
9291         addressable data reference.
9292         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
9293         is a register variable.
9295 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
9297         PR target/89506
9298         * config/arm/arm.md (cmpsi2_addneg): Use
9299         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
9300         If operands[2] is 0 or INT_MIN, force use of subs.
9301         (*compare_scc splitter): Use gen_int_mode.
9302         (*negscc): Likewise.
9303         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
9305 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
9306             Monk Chiang  <sh.chiang04@gmail.com>
9308         * common/config/riscv/riscv-common.c: Include sstream.
9309         (riscv_subset_list::to_string): New.
9310         (riscv_arch_str): Likewise.
9311         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
9312         * config.in: Regen.
9313         * config/riscv/riscv-protos.h (riscv_arch_str): New.
9314         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
9315         (riscv_emit_attribute): New.
9316         (riscv_file_start): Emit attribute if needed.
9317         (riscv_option_override): Init riscv_emit_attribute_p.
9318         * config/riscv/riscv.opt (mriscv-attribute): New option.
9319         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
9320         * configure: Regen.
9321         * doc/install.texi: Document --with-riscv-attribute.
9322         * doc/invoke.texi: Document -mriscv-attribute.
9324         * common/config/riscv/riscv-common.c:
9325         Include config/riscv/riscv-protos.h.
9326         (INCLUDE_STRING): Defined.
9327         (RISCV_DONT_CARE_VERSION): Defined.
9328         (riscv_subset_t): Declare.
9329         (riscv_subset_t::riscv_subset_t): New.
9330         (riscv_subset_list): Declare.
9331         (riscv_subset_list::riscv_subset_list): New.
9332         (riscv_subset_list::~riscv_subset_list): Likewise.
9333         (riscv_subset_list::parsing_subset_version): Likewise.
9334         (riscv_subset_list::parse_std_ext): Likewise.
9335         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
9336         (riscv_subset_list::add): Likewise.
9337         (riscv_subset_list::lookup): Likewise.
9338         (riscv_subset_list::xlen): Likewise.
9339         (riscv_subset_list::parse): Likewise.
9340         (riscv_supported_std_ext): Likewise.
9341         (current_subset_list): Likewise.
9342         (riscv_parse_arch_string): Using riscv_subset_list::parse to
9343         parse.
9345 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
9347         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
9348         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
9349         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
9351 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
9353         PR rtl-optimization/85899
9354         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
9355         fallthru edges leading to the exit block.
9357 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
9359         PR target/89517
9360         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
9361         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
9363 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
9365         PR tree-optimization/89535
9366         * tree-vect-stmts.c (vectorizable_call): Record the vector types
9367         for each operand.  Calculate the fallback choice for mask operands
9368         and pass it to vect_get_vec_def_for_operand.
9370 2019-03-01  Richard Biener  <rguenther@suse.de>
9372         PR middle-end/89541
9373         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
9374         get virtual operands.
9375         (get_expr_operands): Handle CONST_DECL like other decls.
9377 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
9379         PR middle-end/89503
9380         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
9381         on DECL_P and EXPR_P.
9383 2019-03-01  Richard Biener  <rguenther@suse.de>
9385         PR middle-end/89497
9386         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
9387         argument, defaulted to zero.
9388         * passes.c (execute_function_todo): Pass down SSA update flags
9389         to cleanup_tree_cfg.
9390         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
9391         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
9392         form if requested.
9393         (cleanup_tree_cfg): Get and pass down SSA update flags.
9395 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
9397         PR bootstrap/89539
9398         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
9399         early_lto_debug argument.
9401 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
9403         PR tree-optimization/89536
9404         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
9405         only whether bit #0 of the value is 0 instead of the entire value.
9407 2019-02-28  Marek Polacek  <polacek@redhat.com>
9409         PR c++/87068 - missing diagnostic with fallthrough statement.
9410         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
9411         at the end of a seq, save its location to walk_stmt_info.
9412         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
9413         a switch.
9415 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
9417         PR lto/88585
9418         * tree.c (find_atomic_core_type): Move ahead in file.
9419         (check_base_type): Correctly compare alignments of atomic types.
9421 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9423         PR target/89455
9424         * config/i386/i386.c (get_builtin_code_for_version): Identify
9425         Westmere from PCLMUL, instead of AES.
9427 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
9429         PR target/89434
9430         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
9431         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
9432         -UINTVAL (...).
9434 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
9436         PR target/88530
9437         * config/aarch64/aarch64-option-extensions.def: Document it.
9438         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
9439         if empty hwcaps.
9441 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
9443         PR c/89520
9444         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
9445         builtins if they don't have a single scalar floating point argument.
9446         Formatting fixes.
9448 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9450         PR rtl-optimization/89490
9451         * varasm.c (get_block_for_section): Bail out for mergeable sections.
9452         (default_use_anchors_for_symbol_p, output_object_block): Assert the
9453         block section is not mergeable.
9455 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
9457         PR target/70341
9458         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
9459         old define_insn to ...
9460         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
9461         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
9462         Rename old define_insn to ...
9463         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
9464         (thumb2_casesi_internal_pic): New define_expand.  Rename old
9465         define_insn to ...
9466         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
9467         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
9468         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
9470 2019-02-27  Richard Biener  <rguenther@suse.de>
9472         PR debug/88878
9473         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
9475 2019-02-27  Richard Biener  <rguenther@suse.de>
9477         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
9478         building.
9480 2019-02-27  Richard Biener  <rguenther@suse.de>
9482         PR debug/88878
9483         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
9484         parameter, prefix section name with .gnu.debuglto_ if true.
9485         (dwarf2out_finish): Pass false to output_comdat_type_unit.
9486         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
9488 2019-02-27  Richard Biener  <rguenther@suse.de>
9490         PR debug/89514
9491         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
9492         rather than on use_debug_types, doing what output_die does.
9493         (value_format): Likewise.
9495 2019-02-27  Martin Jambor  <mjambor@suse.cz>
9496             Martin Sebor  <msebor@redhat.com>
9498         * doc/invoke.texi (Warning Options): Reword description of
9499         -Wno-absolute-value.
9501 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
9503         PR tree-optimization/89280
9504         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
9505         builtin_setjmp_setup_bb): New functions.
9506         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
9507         When visiting __builtin_setjmp_setup block, queue in special
9508         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
9509         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
9510         from visited after the loop if they don't have any visited successor
9511         blocks.
9513 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
9515         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
9516         New function.
9517         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
9519 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
9521         PR c++/89507
9522         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
9523         with types other than sizetype/ssizetype.
9525 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
9527         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
9528         (enum sparc_processor_type): ...this.
9529         (enum sparc_code_model_type): New enumeration type.
9530         (enum sparc_memory_model_type): Tweak comments.
9531         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
9532         (mtune): Likewise.
9533         (mcmodel): Use sparc_code_model enumeration and variable.
9534         (sparc_code_model): New enumeration.
9535         (mdebug): Add Undocumented marker.
9536         * config/sparc/sparc.h (enum cmodel): Delete.
9537         (sparc_cmodel): Likewise.
9538         (TARGET_CM_MEDLOW): Adjust to above renaming.
9539         (TARGET_CM_MEDMID): Likewise.
9540         (TARGET_CM_MEDANY): Likewise.
9541         (TARGET_CM_EMBMEDANY): Likewise.
9542         * config/sparc/sparc.c (sparc_cmodel): Delete.
9543         (sparc_option_override): Remove string/value mapping support for the
9544         code model.  Move code and memory model support to after the handling
9545         of target flags.  Do private machine setup last.
9546         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
9547         (sparc_legitimize_reload_address): Likewise.
9548         (sparc_output_mi_thunk): Likewise.
9549         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
9551 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
9553         PR tree-optimization/89500
9554         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
9555         (handle_builtin_strlen): Remove noncst_bound variable.  Always
9556         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
9557         cst if the first cst bytes starting at x are known to be non-zero,
9558         even if the string is not zero terminated.  Don't try to modify
9559         *si for strnlen.  Update strlen_to_stridx only for strlen or if
9560         we can prove strnlen returns the same value as strlen would.
9562 2019-02-26  Martin Liska  <mliska@suse.cz>
9564         * alloc-pool.h (struct pool_usage): Remove extra
9565         print_dash_line.
9566         * bitmap.h (struct bitmap_usage): Likewise.
9567         * ggc-common.c (struct ggc_usage): Likewise.
9568         * mem-stats.h (struct mem_usage): Likewise.
9569         (mem_alloc_description::dump): Print dash lines
9570         here and repeat header at the end of a table report.
9571         It's then more readable.
9572         * tree-phinodes.c (phinodes_print_statistics): Make
9573         horizontal alignment.
9574         * tree-ssanames.c (ssanames_print_statistics): Likewise.
9575         * vec.c (struct vec_usage): Remove extra print_dash_line.
9576         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
9578 2019-02-26  UroÅ¡ Bizjak  <ubizjak@gmail.com>
9580         * doc/extend.texi (__builtin_object_size):
9581         Use @pxref instead of @xref inside parenthesis.
9582         (__builtin_has_attribute): Add missing comma after @xref.
9583         (__builtin_object_size): Ditto.
9584         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
9585         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
9586         in the list.
9588 2019-02-26  Jeff Law  <law@redhat.com>
9590         PR rtl-optimization/87761
9591         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
9592         detect obviously dead insns and delete them.
9594 2019-02-26  Richard Biener  <rguenther@suse.de>
9596         PR tree-optimization/89505
9597         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
9598         to handle restrict pointed-to vars with multiple subvars
9599         correctly.
9601 2019-02-26  Richard Biener  <rguenther@suse.de>
9603         PR tree-optimization/89489
9604         * tree-parloops.c (create_loop_fn): Copy over last_clique.
9606 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
9608         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
9609         and move around comment.
9610         <BIT_AND_EXPR>: Likewise.
9611         <BIT_NOT_EXPR>: Add specific handling for boolean types.
9613 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
9615         PR target/89474
9616         * config/i386/i386.c (remove_partial_avx_dependency): Call
9617         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
9618         after changing possibly many instructions to use that pseudo.  Fix up
9619         insertion of v4sf_const0 setter at the start of bb.
9621 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
9623         PR c/80409
9624         * doc/extend.texi (Variadic Pointer Args): New section.
9626 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
9627             Martin Sebor  <msebor@gmail.com>
9629         * common.opt (Wattribute-alias): Likewise.
9630         * doc/invoke.texi (Option Summary): List general form of
9631         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
9632         (-Wmissing-attributes): Invert entry, rewrite and correct default.
9633         Add cross-references.
9634         (-Wattribute-alias): Rewrite and correct default.  Mention
9635         considered attributes (same as for -Wmissing-attributes).
9637 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
9639         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
9640         (_mm_cvtpd_ps): Likewise.
9641         (_mm_cvttpd_epi32): Likewise.
9643         PR target/89338
9644         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
9645         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
9647         PR target/89339
9648         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
9650 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
9652         PR target/88530
9653         * common/config/aarch64/aarch64-common.c
9654         (struct aarch64_option_extension): Add is_synthetic.
9655         (all_extensions): Use it.
9656         (TARGET_OPTION_INIT_STRUCT): Define hook.
9657         (struct gcc_targetm_common): Moved to end.
9658         (all_extensions_by_on): New.
9659         (opt_ext_cmp, typedef opt_ext): New.
9660         (aarch64_option_init_struct): New.
9661         (aarch64_contains_opt): New.
9662         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
9663         * config/aarch64/aarch64-option-extensions.def
9664         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
9665         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
9666         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
9667         Set is_synthetic to false.
9668         (crypto): Set is_synthetic to true.
9669         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
9670         SYNTHETIC.
9672 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
9674         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
9675         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
9676         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
9677         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
9678         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
9679         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
9680         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
9681         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
9682         Rename ...
9683         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
9684         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
9685         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
9686         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
9687         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
9688         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
9689         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
9690         vfmlsl_laneq_high_f16): ... To this.
9691         * config/arm/neon.md: Update comments.
9693 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
9695         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
9696         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
9697         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
9698         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
9699         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
9700         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
9701         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
9702         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
9703         Rename ...
9704         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
9705         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
9706         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
9707         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
9708         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
9709         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
9710         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
9711         vfmlslq_laneq_high_f16): ... To this.
9713 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
9715         PR rtl-optimization/86096
9716         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
9717         comparing mw_order values.
9719 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
9721         PR target/89434
9722         * config/arm/arm.md (*subsi3_carryin_const): Use
9723         arm_neg_immediate_operand predicate instead of
9724         arm_not_immediate_operand, "L" constraint instead of "K" and
9725         print it using %n2 instead of %B2.
9726         (*subsi3_carryin_const0): New define_insn.
9727         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
9728         instead of arm_not_operand and "I" constraint instead of "K" and
9729         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
9730         another match_operand and in the condition check that it is negation
9731         of operands[2].
9732         (*subsi3_carryin_compare_const0): New define_ins.
9733         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
9734         *subsi3_carryin_const.
9735         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
9736         split into *subsi3_carryin_compare_const0 if the highpart is zero.
9738         PR target/89438
9739         * config/arm.vfp.md (*negdf2_vfp): Use
9740         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
9741         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
9743 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
9745         PR rtl-optimization/89445
9746         * simplify-rtx.c (simplify_ternary_operation): Don't use
9747         simplify_merge_mask on operands that may trap.
9748         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
9749         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
9750         second operand is CONST_VECTOR, check if any element could be zero.
9751         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
9752         their operands can trap.
9754 2019-02-23  Martin Sebor  <msebor@redhat.com>
9756         * gimple-ssa-sprintf.c (target_strtol): Rename...
9757         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
9758         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
9759         check for range error.
9761 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
9763         PR driver/69471
9764         * opts-common.c (prune_options): Also prune joined switches
9765         with Negative and RejectNegative.
9766         * config/i386/i386.opt (march=): Add Negative(march=).
9767         (mtune=): Add Negative(mtune=).
9768         * doc/options.texi: Document Negative used together with Joined
9769         and RejectNegative.
9771 2019-02-22  Martin Sebor  <msebor@redhat.com>
9773         * doc/extend.texi (Other Builtins): Add
9774         __builtin_is_constant_evaluated.
9776 2019-02-22  Richard Biener  <rguenther@suse.de>
9778         PR tree-optimization/87609
9779         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
9781 2019-02-22  Jeff Law  <law@redhat.com>
9783         PR rtl-optimization/87761
9784         * config/mips/mips.md: Add new combiner pattern to recognize
9785         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
9787 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
9789         PR target/89324
9790         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
9791         destination register in peepholes generating patterns for ADDS/SUBS.
9792         (add<mode>3_compare0,
9793         *addsi3_compare0_uxtw, add<mode>3_compareC,
9794         add<mode>3_compareV_imm, add<mode>3_compareV,
9795         *adds_<optab><ALLX:mode>_<GPI:mode>,
9796         *subs_<optab><ALLX:mode>_<GPI:mode>,
9797         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
9798         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
9799         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
9800         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
9801         sub<mode>3_compare1): Allow stack pointer for source register.
9802         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
9804 2019-02-22  Martin Sebor  <msebor@redhat.com>
9806         PR tree-optimization/88993
9807         PR tree-optimization/88853
9808         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
9809         New helper.
9810         (sprintf_dom_walker::call_info::is_string_func): New helper.
9811         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
9812         for formatted string functions.
9813         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
9815 2019-02-22  Martin Sebor  <msebor@redhat.com>
9817         PR c/89425
9818         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
9819         unreachable subexpressions.
9821 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
9822             Hongtao Liu  <hongtao.liu@intel.com>
9823             Sunil K Pandey  <sunil.k.pandey@intel.com>
9825         PR target/87007
9826         * config/i386/i386-passes.def: Add
9827         pass_remove_partial_avx_dependency.
9828         * config/i386/i386-protos.h
9829         (make_pass_remove_partial_avx_dependency): New.
9830         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
9831         New function.
9832         (pass_data_remove_partial_avx_dependency): New.
9833         (pass_remove_partial_avx_dependency): Likewise.
9834         (make_pass_remove_partial_avx_dependency): Likewise.
9835         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
9836         (*extendsfdf2): Add avx_partial_xmm_update.
9837         (truncdfsf2): Likewise.
9838         (*float<SWI48:mode><MODEF:mode>2): Likewise.
9839         (SF/DF conversion splitters): Disabled for TARGET_AVX.
9841 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
9843         PR middle-end/85598
9844         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
9845         analysis for pass.
9847 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
9849         PR target/89444
9850         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
9851         (PTA_SKYLAKE): Add PTA_AES.
9852         (PTA_GOLDMONT): Likewise.
9854 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
9856         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
9857         instruction if enabled.
9858         (aarch64_override_options): Remove reference to return address key.
9860 2019-02-22  Richard Biener  <rguenther@suse.de>
9862         PR tree-optimization/89440
9863         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
9864         not necessary assert.
9866 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
9868         PR fortran/72741
9869         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
9870         (oacc_replace_fn_attrib_attr): ... this new function.
9871         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
9872         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
9874 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9876         * config/arm/arm-cpus.in (ares): Rename to...
9877         (neoverse-n1): ... This.  Add ares as alias.
9878         * config/arm/arm-tables.opt: Regenerate.
9879         * config/arm/arm-tune.md: Likewise.
9880         * doc/invoke.txt (ARM Options): Document neoverse-n1.
9882 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9884         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
9885         * config/aarch64/aarch64-tune.md: Regenerate.
9886         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
9888 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9890         * config/aarch64/aarch64.c (ares_tunings): Rename to...
9891         (neoversen1_tunings): ... This.
9892         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
9893         (neoverse-n1): New CPU.
9894         * config/aarch64/aarch64-tune.md: Regenerate.
9895         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
9897 2019-02-22  Richard Biener  <rguenther@suse.de>
9899         PR middle-end/87609
9900         * cfghooks.h (dependence_hash): New typedef.
9901         (struct copy_bb_data): New type.
9902         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
9903         (duplicate_block): Likewise.
9904         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
9905         (copy_bbs): Create and pass down copy_bb_data.
9906         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
9907         (rtl_duplicate_bb): Likewise.
9908         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
9909         remap dependence info.
9911 2019-02-22  Richard Biener  <rguenther@suse.de>
9913         PR tree-optimization/87609
9914         * tree-core.h (tree_base): Document special clique values.
9915         * tree-inline.c (remap_dependence_clique): Do not use the
9916         special clique value of one.
9917         (maybe_set_dependence_info): Use clique one.
9918         (clear_dependence_clique): New callback.
9919         (compute_dependence_clique): Clear clique one from all refs
9920         before assigning it (again).
9922 2019-02-21  Martin Sebor  <msebor@redhat.com>
9924         * doc/extend.texi (__clear_cache): Correct signature.
9926 2019-02-21  Ian Lance Taylor  <iant@golang.org>
9928         PR go/89170
9929         * varasm.c (decode_addr_const): Call lookup_constant_def rather
9930         than output_constant_def.
9931         (add_constant_to_table): New static function.
9932         (output_constant_def): Call add_constant_to_table.
9933         (tree_output_constant_def): Likewise.
9935 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
9937         PR c++/89285
9938         * builtins.c (fold_builtin_arith_overflow): If first two args are
9939         INTEGER_CSTs, set intres and ovfres to constants rather than calls
9940         to ifn.
9942 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9944         PR target/87412
9945         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
9946         error for -mindirect-branch/-mfunction-return with incompatible
9947         -fcf-protection.
9949 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
9951         PR bootstrap/88714
9952         * constraints.md (q): Remove.
9953         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
9954         instead of q.
9956 2019-02-21  Martin Jambor  <mjambor@suse.cz>
9958         PR hsa/89302
9959         * omp-general.c (omp_extract_for_data): Removed a duplicate call
9960         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
9961         (omp_adjust_for_condition): ...here.  Added necessary parameters.
9962         * omp-general.h (omp_adjust_for_condition): Updated declaration.
9963         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
9964         proper values to new parameters of omp_adjust_for_condition.
9966 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
9968         PR middle-end/89412
9969         * expr.c (expand_assignment): If result is a MEM, use change_address
9970         instead of simplify_gen_subreg.
9972 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
9973             David Malcolm  <dmalcolm@redhat.com>
9975         PR middle-end/89091
9976         * fold-const.c (decode_field_reference): Return NULL_TREE if
9977         lang_hooks.types.type_for_size returns NULL.  Check it before
9978         overwriting *exp_.  Use return NULL_TREE instead of return 0.
9980 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
9982         PR middle-end/88074
9983         PR middle-end/89415
9984         * toplev.c (do_compile): Double the emin/emax exponents to workaround
9985         buggy mpc_norm.
9987 2019-02-20  UroÅ¡ Bizjak  <ubizjak@gmail.com>
9989         PR target/89397
9990         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
9991         TARGET_SSE in addition to TARGET_SSE_MATH.
9993         (ix86_excess_precision): Ditto.
9994         (ix86_float_exceptions_rounding_supported_p): Ditto.
9995         (use_rsqrt_p): Ditto.
9996         * config/i386/sse.md (rsqrt<mode>2): Ditto.
9998 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
10000         PR c/89410
10001         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
10002         linenum_arith_t when determining if two adjacent line spans are
10003         close enough to merge.
10004         (diagnostic_show_locus): Use linenum_arith_t when iterating over
10005         lines within each line_span.
10007 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
10009         PR target/86487
10010         * lra-constraints.c(uses_hard_regs_p): Fix handling of
10011         paradoxical SUBREGS.
10013 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
10015         PR target/88100
10016         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
10017         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
10018         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
10019         range checking it.
10021 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
10023         * config/gcn/gcn.c (print_operand): Fix typo.
10025 2019-02-19  Richard Biener  <rguenther@suse.de>
10027         PR middle-end/88074
10028         * toplev.c (do_compile): Initialize mpfr's exponent range
10029         based on available float modes.
10031 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
10033         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
10034         as long as the epilogue isn't completed.
10036 2019-02-18  Martin Sebor  <msebor@redhat.com>
10038         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
10039         __has_cpp_attribute, and __has_include.
10041 2019-02-18  Martin Sebor  <msebor@redhat.com>
10043         * doc/invoke.texi (-Wreturn-type): Correct and expand.
10045 2019-02-18  Martin Sebor  <msebor@redhat.com>
10047         PR middle-end/89294
10048         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
10049         expression.
10050         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
10052 2019-02-18  Richard Biener  <rguenther@suse.de>
10054         PR tree-optimization/89296
10055         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
10056         of no-warning flag to cases that might emit the bogus warning.
10058 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
10060         PR bootstrap/88714
10061         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
10062         "q" constraint.
10063         * config/arm/vfp.md (*movdi_vfp): Likewise.
10064         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
10065         "q" constraint for operands[0].
10067         PR target/89369
10068         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
10069         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
10070         pattern in a temporary buffer.
10071         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
10072         than 64-operands[2].
10074         PR target/89361
10075         * config/s390/s390.c (s390_indirect_branch_attrvalue,
10076         s390_indirect_branch_settings): Define unconditionally.
10077         (s390_set_current_function): Likewise, but guard the whole body except
10078         the s390_indirect_branch_settings call with
10079         #if S390_USE_TARGET_ATTRIBUTE.
10080         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
10082         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
10083         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
10084         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
10085         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
10086         HOST_WIDE_INT_1U instead of 1ULL.
10087         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
10088         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
10089         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
10090         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
10091         instead of 1UL.
10092         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
10093         instead of 1ul.
10095 2019-02-18  Martin Jambor  <mjambor@suse.cz>
10097         PR tree-optimization/89209
10098         * tree-sra.c (create_access_replacement): New optional parameter
10099         reg_tree.  Use it as a type if non-NULL and access type is not of
10100         a register type.
10101         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
10102         to create_access_replacement.
10103         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
10104         Check lacc is non-NULL before attempting to re-create it on the RHS.
10106 2019-02-18  Martin Liska  <mliska@suse.cz>
10108         PR ipa/89306
10109         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
10110         by default.
10111         (symbol_table::free_edge): Recycle m_summary_id.
10112         * cgraph.h (get_summary_id): New.
10113         (symbol_table::release_symbol): Set m_summary_id to -1
10114         by default.
10115         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
10116         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
10117         function_summary to fast_function_summary.
10118         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
10119         * ipa-pure-const.c (class funct_state_summary_t):
10120         Switch from function_summary to fast_function_summary.
10121         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
10122         (class ipa_ref_opt_summary_t): Switch from function_summary
10123         to fast_function_summary.
10124         * symbol-summary.h (class function_summary_base): New class
10125         that is created from base of former function_summary.
10126         (function_summary_base::unregister_hooks): New.
10127         (class function_summary): Inherit from function_summary_base.
10128         (class call_summary_base): New class
10129         that is created from base of former call_summary.
10130         (class call_summary): Inherit from call_summary_base.
10131         (struct is_same): New.
10132         (class fast_function_summary): New summary class.
10133         (class fast_call_summary): New summary class.
10134         * vec.h (vec_safe_grow_cleared): New function.
10136 2019-02-18  Martin Liska  <mliska@suse.cz>
10138         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
10139         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
10140         * doc/tm.texi: Document new target hook.
10141         * doc/tm.texi.in: Likewise.
10142         * target.def: Add new target macro.
10143         * gcc.c (find_fortran_preinclude_file): Do not search multilib
10144         suffixes.
10146 2019-02-17  Alan Modra  <amodra@gmail.com>
10148         PR target/89271
10149         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
10150         output reg on add insn.
10151         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
10153 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10155         PR target/89372
10156         * config/i386/sse.md (ssedoublemode): Remove V4HI.
10157         (PMULHRSW): Likewise.
10158         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
10159         TARGET_AVX2.
10160         (ssse3_pmulhrswv4hi3): New expander.
10162 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10164         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
10165         MMX.  Add isa attribute.
10167 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
10169         PR rtl-optimization/66152
10170         * builtins.h (c_readstr): Declare.
10171         * builtins.c (c_readstr): Remove forward declaration.  Add
10172         null_terminated_p argument, if false, read all bytes from the
10173         string instead of stopping after '\0'.
10174         * expr.c (string_cst_read_str): New function.
10175         (store_expr): Use string_cst_read_str instead of
10176         builtin_strncpy_read_str.  Try to store by pieces the whole
10177         exp_len first, and only if that fails, split it up into
10178         store by pieces followed by clear_storage.  Formatting fix.
10180         * config/i386/i386.md (*movqi_internal): Remove static from
10181         buf variable.  Use output_asm_insn (buf, operands); return "";
10182         instead of return buf;.
10183         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
10184         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
10185         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
10187 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
10189         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
10190         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
10191         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
10192         (CC1_SPEC): Likewise.
10193         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
10195 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
10197         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
10198         the base address on 64-bit strict-alignment platforms.
10200 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10202         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
10204 2019-02-15  UroÅ¡ Bizjak  <ubizjak@gmail.com>
10206         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
10208 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
10210         PR rtl-optimization/88308
10211         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
10212         on copied instruction.
10214 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
10216         * final.c (insn_current_reference_address): Replace test on JUMP_P
10217         with test on jump_to_label_p.
10218         * config/visium/visium-passes.def: New file.
10219         * config/visium/t-visium (PASSES_EXTRA): Define.
10220         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
10221         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
10222         (TRAMPOLINE_ALIGNMENT): Define.
10223         * config/visium/visium.c (visium_option_override): Do not register
10224         the machine-specific reorg pass here.
10225         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
10226         for the GR6.
10227         (output_branch): Adjust threshold for long branch instruction.
10228         * config/visium/visium.md (cpu): Move around.
10229         (length): Adjust for the GR6.
10231 2019-02-15  Richard Biener  <rguenther@suse.de>
10232             Jakub Jelinek  <jakub@redhat.com>
10234         PR tree-optimization/89278
10235         * tree-loop-distribution.c: Include tree-eh.h.
10236         (generate_memset_builtin, generate_memcpy_builtin): Call
10237         rewrite_to_non_trapping_overflow on builtin->size before passing it
10238         to force_gimple_operand_gsi.
10240 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
10242         PR other/89342
10243         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
10244         optimize_debug.
10245         * opth-gen.awk: Likewise.
10247 2019-02-15  UroÅ¡ Bizjak  <ubizjak@gmail.com>
10249         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
10250         Enable MMX, SSE and SSE2 by default.
10251         * config/i386/i386.c (ix86_option_override_internal): Do not
10252         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
10254 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
10256         PR rtl-optimization/89354
10257         * combine.c (make_extraction): Punt if extraction_mode is narrower
10258         than len bits.
10260 2019-02-14  Maya Rashish  <coypu@sdf.org>
10262         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
10263         * config/netbsd-d.c: New file.
10264         * config/t-netbsd: Add netbsd-d.o
10266 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
10268         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
10269         affects_type_identity to true for aarch64_vector_pcs.
10270         (aarch64_comp_type_attributes): New function.
10271         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
10273 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
10275         PR target/88850
10276         * config/arm/iterators.md (ANY64): Add V4HF.
10278 2019-02-14  Martin Liska  <mliska@suse.cz>
10280         PR rtl-optimization/89242
10281         * dce.c (delete_unmarked_insns): Call free_dominance_info we
10282         process a transformation.
10284 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
10286         PR tree-optimization/89314
10287         * fold-const.c (fold_binary_loc): Cast strlen argument to
10288         const char * before dereferencing it.  Formatting fixes.
10290         PR middle-end/89284
10291         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
10293 2019-02-13  Ian Lance Taylor  <iant@golang.org>
10295         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
10296         and set current index for other optimizations.
10298 2019-02-13  UroÅ¡ Bizjak  <ubizjak@gmail.com>
10300         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
10301         nonimmediate_operand as operand 2 predicate.
10302         (vec_set<VF2_512_256:mode>_0): Ditto.
10303         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
10304         (*vec_concatv2si): Remove alternative 2.
10305         (*vec_concatv4si_0): Use vm constraint for alternative 0.
10306         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
10307         (vec_concatv2di): Split alternatives 4,5,6 to ...
10308         (*vec_concatv2di_0) ... new pattern.
10310 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
10312         PR target/89190
10313         * config/arm/arm.c (ldm_stm_operation_p) Set
10314         addr_reg_in_reglist correctly for first register.
10315         (load_multiple_sequence): Remove dead base check.
10316         (gen_ldm_seq): Correctly set write_back for Thumb-1.
10318 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
10320         PR target/88847
10321         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
10322         Expose as @aarch64_pred_mov.
10323         * config/aarch64/aarch64.c (aarch64_classify_address):
10324         Use expand_insn which legitimizes operands.
10326 2019-02-13  Martin Liska  <mliska@suse.cz>
10328         * builtins.h (expand_builtin_with_bounds): Remove declaration.
10329         * calls.c (struct arg_data): Remove special_slot, pointer_arg
10330         and pointer_offset fields.
10331         (initialize_argument_information): Remove usage of dead
10332         fields.
10333         * cgraph.h (struct cgraph_thunk_info): Remove
10334         add_pointer_bounds_args.
10335         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
10336         fields.
10337         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
10338         fields.
10339         * config/i386/i386.c (ix86_function_arg_advance): Remove
10340         unrelated comment.
10341         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
10342         (def_builtin):  Remove usage of dead
10343         fields.
10344         (ix86_add_new_builtins): Likewise.
10345         * ipa-fnsummary.c (compute_fn_summary): Likewise.
10346         * ipa-icf.c (sem_function::equals_wpa): Likewise.
10347         (sem_function::init): Likewise.
10348         (sem_variable::merge): Likewise.
10349         * ipa-visibility.c (function_and_variable_visibility): Likewise.
10350         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
10351         * lto-cgraph.c (lto_output_node): Likewise.
10352         (lto_output_varpool_node): Likewise.
10353         (input_node): Likewise.
10354         (input_varpool_node): Likewise.
10355         * lto-streamer-out.c (lto_output): Likewise.
10356         * tree-inline.c (expand_call_inline): Remove usage of
10357         assign_stmts.
10358         * tree-inline.h (struct copy_body_data): Likewise.
10359         * varpool.c (varpool_node::dump): Likewise.
10361 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
10363         PR middle-end/89303
10364         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
10365         into pt->vars_contains_escaped_heap instead of setting
10366         pt->vars_contains_escaped_heap to it.
10368         PR middle-end/89281
10369         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
10370         INTVAL (size), compare it to GET_MODE_MASK instead of
10371         1 << GET_MODE_BITSIZE.
10373         PR target/89290
10374         * config/i386/predicates.md (x86_64_immediate_operand): Allow
10375         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
10376         -mcmodel=large.
10378 2019-02-13  Martin Liska  <mliska@suse.cz>
10380         PR lto/88858
10381         * cfgrtl.c (remove_barriers_from_footer): New function.
10382         (try_redirect_by_replacing_jump): Use it.
10383         (cfg_layout_redirect_edge_and_branch): Likewise.
10385 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
10387         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
10388         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
10389         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
10390         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
10391         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
10392         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
10393         New BU_CRYPTO_2.
10394         * config/rs6000/rs6000.c (builtin_function_type)
10395         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
10396         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
10397         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
10398         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
10399         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
10401 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
10403         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
10404         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
10406 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10408         PR target/89229
10409         * config/i386/i386.md (*movoi_internal_avx): Revert revision
10410         268678 and revision 268657.
10411         (*movti_internal): Likewise.
10413 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
10415         PR target/89233
10416         * config/s390/s390.c (s390_decompose_address): Update comment.
10417         (s390_check_qrst_address): Reject invalid address forms after
10418         LRA.
10420 2019-02-12  Martin Liska  <mliska@suse.cz>
10422         PR lto/88876
10423         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
10424         we need default values of funct_state for a function that
10425         is not optimized.
10427 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10429         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
10430         the object to pick the size of stores on strict-alignment platforms.
10432         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
10433         (*movdi_insn_sp32): Likewise.
10434         (*movdi_insn_sp64): Likewise.
10436 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
10438         PR lto/88677
10439         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
10440         types that needs constructiong.
10441         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
10443 2019-02-12  Richard Biener  <rguenther@suse.de>
10445         PR tree-optimization/89253
10446         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
10447         duplicate the loop.
10449 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
10451         PR lto/88147
10452         * input.c (selftest::test_line_offset_overflow): New selftest.
10453         (selftest::input_c_tests): Call it.
10455 2019-02-11  Martin Sebor  <msebor@redhat.com>
10457         PR tree-optimization/88771
10458         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
10459         when -Wstringop-overflow is set.
10460         (builtin_memref::builtin_memref): Adjust excessive upper bound
10461         only when lower bound is not excessive.
10462         (maybe_diag_overlap): Detect and diagnose excessive bounds via
10463         -Wstringop-ovefflow.
10464         (maybe_diag_offset_bounds): Rename...
10465         (maybe_diag_access_bounds): ...to this.
10466         (check_bounds_or_overlap): Adjust for name change above.
10468 2019-02-11  Martin Sebor  <msebor@redhat.com>
10470         PR c++/87996
10471         * builtins.c (max_object_size): Move from here...
10472         * builtins.h (max_object_size): ...and here...
10473         * tree.c (max_object_size): ...to here...
10474         * tree.h (max_object_size): ...and here.
10476 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
10478         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
10479         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
10480         for correct semantics.
10482 2019-02-11  Alan Modra  <amodra@gmail.com>
10484         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
10485         -mlongcall and -mpltseq.
10486         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
10487         (RS/6000 and PowerPC Options <-mpltseq>): Document.
10488         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
10489         * config/rs6000/sysv4.opt (mpltseq): New option.
10490         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
10491         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
10492         support is lacking.  Don't allow -mpltseq with -mbss-plt.
10493         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
10494         -mpltseq given for ELFv1.
10495         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
10496         Only use UNSPEC_PLTSEQ for inline PLT calls.
10497         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
10498         use UNSPEC_PLTSEQ for inline PLT calls.
10499         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
10500         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
10501         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
10502         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
10503         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
10504         (pltseq_mtctr_<mode>): Likewise.
10506 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10508         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
10509         Solaris ld.
10510         * configure: Regenerate.
10512 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
10514         PR bootstrap/88714
10515         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
10516         instead of r.
10518 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
10520         * function.c (assign_parm_setup_block): Use the stored
10521         size, not the passed size, when allocating stack-space,
10522         also for a parameter with alignment larger than
10523         MAX_SUPPORTED_STACK_ALIGNMENT.
10525 2019-02-11  Martin Liska  <mliska@suse.cz>
10527         PR ipa/89009
10528         * ipa-cp.c (build_toporder_info): Remove usage of a param.
10529         * ipa-inline.c (inline_small_functions): Likewise.
10530         * ipa-pure-const.c (propagate_pure_const): Likewise.
10531         (propagate_nothrow): Likewise.
10532         * ipa-reference.c (propagate): Likewise.
10533         * ipa-utils.c (struct searchc_env): Remove unused field.
10534         (searchc): Always search across AVAIL_INTERPOSABLE.
10535         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
10536         the only called IPA pure const can properly not propagate
10537         across interposable boundary.
10538         * ipa-utils.h (ipa_reduced_postorder): Remove param.
10540 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
10542         * config/nds32/nds32.md (call_internal, call_value_internal,
10543         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
10545 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
10547         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
10548         typo.
10550 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10552         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
10553         in comments
10555 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
10557         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
10559 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
10561         PR tree-optimization/89268
10562         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
10563         if preds is non-NULL.
10565 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
10567         PR lto/89272
10568         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
10569         polymorphic types.
10571 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
10573         * config/nds32/nds32.md (trap): New pattern.
10575 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
10577         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
10578         dwarf span.
10580 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
10582         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
10583         to split POST_INC.
10585 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
10587         * ipa-visibility.c (localize_node): Also do not localize
10588         LDPR_PREVAILING_DEF_IRONLY_EXP.
10590 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
10592         PR lto/87957
10593         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
10594         instead of type_with_linkage.
10596 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
10598         PR ipa/88755
10599         * params.def (uninlined-function-insns, uninlined-function-time,
10600         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
10601         bound so we don't get overflows.
10603 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
10605         * config/rs6000/rs6000-string.c (expand_compare_loop,
10606         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
10607         memcmp/strncmp.
10609 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
10611         PR middle-end/89246
10612         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10613         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
10614         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
10616 2019-02-09  Alan Modra  <amodra@gmail.com>
10618         PR target/88343
10619         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
10620         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
10621         setup.
10623 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
10625         PR middle-end/88560
10626         * lra-constraints.c (process_alt_operands): Don't increase reject
10627         for memory when offset memory is required.
10629 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
10631         * config/s390/vector.md: Implement vector copysign.
10633 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
10635         * expr.c (expand_constructor): Correct indentations.
10637 2019-02-08  Richard Biener  <rguenther@suse.de>
10639         PR tree-optimization/89247
10640         * tree-if-conv.c: Include tree-cfgcleanup.h.
10641         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
10642         (tree_if_conversion): Pass through predicate vector.
10643         (pass_if_conversion::execute): Do CFG cleanup and SSA update
10644         inline, see if any if-converted loops we refrece in
10645         LOOP_VECTORIZED calls vanished and fixup.
10646         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
10648 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
10650         * config/s390/constraints.md (jdd): New constraint.
10652 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
10654         PR target/89229
10655         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
10656         upper 16 vector registers without TARGET_AVX512VL.
10657         (*movti_internal): Likewise.
10659 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
10661         PR rtl-optimization/89234
10662         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
10663         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
10664         (copy_reg_eh_region_note_backward): Likewise.
10666 2019-02-08  Richard Biener  <rguenther@suse.de>
10668         PR middle-end/89223
10669         * tree-data-ref.c (initialize_matrix_A): Fail if constant
10670         doesn't fit in HWI.
10671         (analyze_subscript_affine_affine): Handle failure from
10672         initialize_matrix_A.
10674 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
10676         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
10677         cfun everywhere.
10679 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
10681         PR tree-optimization/86637
10682         PR tree-optimization/89235
10683         * tree-vect-loop.c (optimize_mask_stores): Add an
10684         auto_purge_vect_location sentinel to ensure that vect_location is
10685         purged on exit.
10686         * tree-vectorizer.c
10687         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
10688         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
10689         to ensure that vect_location is purged on exit.
10690         (pass_slp_vectorize::execute): Likewise, replacing the manual
10691         reset.
10692         * tree-vectorizer.h (class auto_purge_vect_location): New class.
10694 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10696         * config/aarch64/iterators.md (max_opp): New code_attr.
10697         (USMAX): New code iterator.
10698         * config/aarch64/predicates.md (aarch64_smin): New predicate.
10699         (aarch64_smax): Likewise.
10700         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
10701         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
10702         MINUS (MAX MIN).
10704 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
10706         PR target/89229
10707         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
10708         for TARGET_AVX512VL.
10709         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
10711 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
10713         * config/s390/s390-builtin-types.def: Add new types.
10714         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
10715         (s390_vec_xlw4): Make the memory operand into a const pointer.
10716         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
10717         float.
10718         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
10719         a new vector type with the alignment of the scalar memory operand.
10721 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
10722             Jakub Jelinek  <jakub@redhat.com>
10724         PR bootstrap/88714
10725         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
10726         arm_count_ldrdstrd_insns): New declarations.
10727         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
10728         MINUS.
10729         (valid_operands_ldrd_strd): New function.
10730         (arm_count_ldrdstrd_insns): New function.
10731         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
10732         sets instead of single DImode set and define new insns to match this.
10734 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
10736         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
10737         Make it a C initializer.
10739 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
10741         PR/target 88850
10742         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
10744 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10746         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
10747         Use neon_dot<q> for type.
10748         (neon_<sup>dot_lane<vsi2qi>): Likewise.
10750 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10752         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
10753         Use neon_dot<q> for type.
10754         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
10755         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
10757 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
10759         PR rtl-optimization/89225
10760         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
10761         sizes check.
10763 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
10765         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
10766         after restoring registers saved to allocate the frame on Windows.
10768 2019-02-06  Richard Biener  <rguenther@suse.de>
10770         PR tree-optimization/89182
10771         * graphite.h (cached_scalar_evolution_in_region): Declare.
10772         * graphite.c (struct seir_cache_key): New.
10773         (struct sese_scev_hash): Likewise.
10774         (seir_cache): New global.
10775         (cached_scalar_evolution_in_region): New function.
10776         (graphite_transform_loops): Allocate and release seir_cache.
10777         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
10778         cached_scalar_evolution_in_region.
10779         * graphite-scop-detection.c (scop_detection::can_represent_loop):
10780         Simplify.
10781         (scop_detection::graphite_can_represent_expr: Use
10782         cached_scalar_evolution_in_region.
10783         (scop_detection::stmt_simple_for_scop_p): Likewise.
10784         (find_params_in_bb): Likewise.
10785         (gather_bbs::before_dom_children): Likewise.
10786         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
10787         (add_loop_constraints): Likewise.
10789 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
10791         PR middle-end/89210
10792         * fold-const-call.c (fold_const_vec_convert): Pass true as last
10793         operand to new_unary_operation only if both element types are integral
10794         and it isn't a widening conversion.  Return NULL_TREE if
10795         new_unary_operation failed.
10797 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
10799         PR target/88856
10800         * config/s390/s390.md: Remove load and test FP splitter.
10802 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
10804         PR target/89112
10805         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
10806         expand_compare_loop, expand_block_compare_gpr,
10807         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
10808         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
10809         #include "profile-count.h" and "predict.h" for types and functions
10810         needed to work with REG_BR_PROB notes.
10812 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
10814         PR target/89112
10815         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
10816         for the long branch case.
10818 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
10820         PR target/89188
10821         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
10822         can throw, non-call exceptions are enabled and we can't delete
10823         dead exceptions or alter cfg.  Set must_clean if
10824         delete_insn_and_edges returns true, don't set it blindly for calls.
10825         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
10827         PR rtl-optimization/89195
10828         * combine.c (make_extraction): For MEMs, don't extract bytes outside
10829         of the original MEM.
10831 2019-02-05  Martin Liska  <mliska@suse.cz>
10833         PR gcov-profile/89000
10834         * gcov.c (function_summary): Remove argument.
10835         (file_summary): New function.
10836         (print_usage): Replace tabs with spaces.
10837         (generate_results): Use new function file_summary.
10839 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
10841         PR target/89186
10842         * optabs.c (prepare_cmp_insn): Pass x and y to
10843         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
10845 2019-02-05  Richard Biener  <rguenther@suse.de>
10847         PR middle-end/89150
10848         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
10849         (struct bitmap_element): Drop chain_prev so we properly recurse on
10850         the prev member, supporting tree views.
10851         (struct bitmap_head): GTY skip the obstack member.
10853 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
10855         PR c/88698
10856         * doc/extend.texi (Vector Extensions): Add an example of using vector
10857         types together with x86 intrinsics.
10859 2019-02-04  Alan Modra  <amodra@gmail.com>
10861         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
10862         str[] size to 160, and comment.
10864 2019-02-04  Alan Modra  <amodra@gmail.com>
10866         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
10867         (rs6000_pltseq_template): Guard output of TLS markers with
10868         TARGET_TLS_MARKERS.
10869         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
10870         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
10871         to use inline PLT sequences.
10872         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
10873         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
10874         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
10876 2019-02-04  Martin Liska  <mliska@suse.cz>
10878         PR ipa/88985
10879         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
10880         out when ipa_fn_summaries does not contain entry for callee.
10882 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
10884         * config/sparc/sparc.h: Remove superfluous blank lines.
10885         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
10886         (got_register_rtx): ...this.
10887         (sparc_got): Adjust to above renaming.
10888         (sparc_tls_got): Likewise.
10889         (sparc_delegitimize_address): Likewise.
10890         (sparc_output_mi_thunk): Likewise.
10891         (sparc_init_pic_reg): Likewise.
10892         (save_local_or_in_reg_p): Fix test on the GOT register.
10893         (USE_HIDDEN_LINKONCE): Move around.
10894         (get_pc_thunk_name): Likewise.
10895         (gen_load_pcrel_sym): Likewise.
10896         (load_got_register): Likewise.
10898 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
10900         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
10901         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
10903 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
10905         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
10906         into consideration.
10908 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
10910         * config.gcc (with_nds32_lib, glibc):
10911         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
10912         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
10913         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
10915 2019-02-03  UroÅ¡ Bizjak  <ubizjak@gmail.com>
10917         PR target/89071
10918         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
10919         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
10920         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
10921         (*rcpsf2_sse): Ditto.
10922         (*rsqrtsf2_sse): Ditto.
10923         (sse4_1_round<mode<2): Ditto.
10925 2019-02-03  Richard Biener  <rguenther@suse.de>
10927         PR debug/87295
10928         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
10929         orig.
10931 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
10933         PR middle-end/87887
10934         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10935         Punt with warning on aggregate return or argument types.  Ignore
10936         type/mode checking for uniform arguments.
10938 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
10940         * combine.c (try_combine): Do not print "Can't combine" messages unless
10941         printing failed combination attempts.
10943 2019-02-01  Martin Jambor  <mjambor@suse.cz>
10945         PR hsa/87863
10946         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
10947         segment and global segment variables before making them static.
10949 2019-02-01  Martin Jambor  <mjambor@suse.cz>
10951         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
10952         missed optimization dump with dump_enabled_p.
10954 2019-02-01  Richard Biener  <rguenther@suse.de>
10956         PR middle-end/88597
10957         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
10958         the instantiate cache.
10959         (instantiate_scev_binary): Elide second operand procesing
10960         if equal to the first.
10961         * tree-chrec.c (chrec_contains_symbols): Add visited set.
10962         (chrec_contains_undetermined): Likewise.
10963         (tree_contains_chrecs): Likewise.
10965 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
10967         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
10969 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
10971         PR tree-optimization/89143
10972         * wide-int-range.h (wide_int_range_absu): Declare.
10973         * wide-int-range.cc (wide_int_range_absu): New function.
10974         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
10976         PR tree-optimization/88107
10977         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
10978         instead of assertion that eh_region_outermost is non-NULL, if it
10979         is NULL, set *ALL to true and return NULL.
10980         (move_sese_region_to_fn): Adjust caller, if all is set, call
10981         duplicate_eh_regions with NULL region.
10983 2019-02-01  Richard Biener  <rguenth@suse.de>
10985         PR rtl-optimization/88593
10986         * mode-switching.c (optimize_mode_switching): Free dominators before
10987         calling cleanup_cfg.
10989 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
10991         PR tree-optimization/88932
10992         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
10994 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
10996         PR middle-end/89137
10997         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
10998         bogus clang warning.
11000 2019-01-31  UroÅ¡ Bizjak  <ubizjak@gmail.com>
11002         PR target/89071
11003         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
11004         alternative to avoid partial SSE register stall for TARGET_AVX.
11005         (truncdfsf2): Ditto.
11006         (sse4_1_round<mode>2): Ditto.
11008 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
11010         PR tree-optimization/89008
11011         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
11012         process anything of the form X * 0.
11014 2019-01-31  Richard Biener  <rguenther@suse.de>
11016         PR tree-optimization/89135
11017         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
11018         with abnormal preds.
11020 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
11022         PR sanitizer/89124
11023         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
11024         always_inline callees into no_sanitize_address callers.
11026 2019-01-31  Richard Biener  <rguenther@suse.de>
11028         PR rtl-optimization/89115
11029         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
11031 2019-01-30  Martin Sebor  <msebor@redhat.com>
11033         PR other/89106
11034         * doc/extend.texi (cast to a union): Correct and expand.
11036 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
11038         PR rtl-optimization/87246
11039         * lra-constraints.c (simplify_operand_subreg): Reload memory
11040         in subreg if the address became invalid.
11042 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
11044         PR target/87064
11045         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
11046         Disable for little-endian.
11048 2019-01-30  Richard Biener  <rguenther@suse.de>
11050         PR rtl-optimization/89115
11051         * opts.c (default_options_optimization): Reduce
11052         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
11053         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
11054         to the default.
11056 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11058         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
11059         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
11060         type of vector element when vec_extract is implemented by direct
11061         move.
11063 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
11065         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
11067 2019-01-30  Richard Biener  <rguenther@suse.de>
11069         PR tree-optimization/89111
11070         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
11071         canonicalization to appropriately sized access types.
11073 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
11075         PR c++/89105
11076         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
11077         for arguments to functions that are TU-local and shouldn't be
11078         referenced by assembly.
11080 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
11082         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
11083         after '='.
11085 2019-01-29  Martin Sebor  <msebor@redhat.com>
11087         PR c/88956
11088         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
11090 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
11092         PR c++/66676
11093         PR ipa/89104
11094         * omp-simd-clone.c (simd_clone_clauses_extract)
11095         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
11096         OMP_CLAUSE_ALIGNED_ALIGNMENT.
11098 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
11100         * config.gcc: Force .init_array for ARC.
11102 2019-01-29  Richard Biener  <rguenther@suse.de>
11104         PR debug/87295
11105         * dwarf2out.c (collect_skeleton_dies): New helper.
11106         (copy_decls_for_unworthy_types): Call it.
11107         (build_abbrev_table): Assert we do not try to replace
11108         DW_AT_signature refs with local refs.
11110 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
11112         PR middle-end/89002
11113         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
11114         for lastprivate/linear IV, push gimplify context around gimplify_assign
11115         and, if it needed any temporaries, pop it into a gimple bind around the
11116         sequence.
11118 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11120         * common.opt (-Wattribute-alias): Remove "no-" from name.
11121         Make -Wattribute-alias command line option and
11122         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
11124 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
11126         PR target/89073
11127         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
11128         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
11129         x86 ISA options.
11130         (bmi2): Add missing @opindex.
11131         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
11132         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
11133         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
11134         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
11135         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
11136         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
11137         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
11138         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
11139         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
11140         xsavec, xsaveopt and xsaves options.
11142 2019-01-28  Richard Biener  <rguenther@suse.de>
11144         PR debug/89076
11145         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
11146         support removal.
11148 2019-01-28  Richard Biener  <rguenther@suse.de>
11150         PR tree-optimization/88739
11151         * tree-cfg.c (verify_types_in_gimple_reference): Verify
11152         BIT_FIELD_REFs only are applied to mode-precision operands
11153         when they are integral.
11154         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
11155         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
11156         BIT_FIELD_REFs of non-mode-precision integral operands.
11158 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
11160         PR target/87214
11161         * config/i386/sse.md
11162         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
11163         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
11164         first constants in pairs are multiples of 2.  Formatting fixes.
11165         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
11166         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
11167         first constants in each quadruple are multiples of 4.  Formatting fixes.
11169 2019-01-26  Martin Jambor  <mjambor@suse.cz>
11171         PR ipa/88933
11172         * tree-inline.c: Include tree-cfgcleanup.h.
11173         (delete_unreachable_blocks_update_callgraph): Move...
11174         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
11175         ...here, make externally visible, make second argument bool, adjust
11176         all callers.
11177         * tree-cfgcleanup.c: Include cgraph.h.
11178         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
11179         Declare.
11180         * ipa-prop.c: Include tree-cfgcleanup.h.
11181         (ipcp_transform_function): Call
11182         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
11184 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
11186         PR rtl-optimization/88846
11187         * ira.c (process_set_for_memref_referenced_p): New.
11188         (memref_referenced_p): Add new param.  Use
11189         process_set_for_memref_referenced_p.  Add new switch cases.
11190         (memref_used_between_p): Pass new arg to memref_referenced_p.
11192 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
11194         PR target/88469
11195         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
11196         argument ABI_BREAK.  Set to true if the calculated alignment has
11197         changed in gcc-9.  Check bit-fields for their base type alignment.
11198         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
11199         (aarch64_function_arg_boundary): Likewise.
11200         (aarch64_gimplify_va_arg_expr): Likewise.
11202 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
11204         PR middle-end/89037
11205         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
11206         instead of accessing TREE_INT_CST_ELT directly.
11208 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
11210         * doc/sourcebuild.texi (Environment attributes): Add fenv and
11211         fenv_exceptions description.
11213 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
11215         PR rtl-optimization/87763
11216         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
11217         Allow SUBREG when matching CC_NZmode compare.
11219 2019-01-25  Richard Biener  <rguenther@suse.de>
11221         PR tree-optimization/89049
11222         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
11223         Look at the pattern stmt to determine if the stmt is vectorized.
11225 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
11227         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
11228         (pred_mov<mode>): Handle all-register forms using both a new
11229         alternative and a split.
11231 2019-01-25  Richard Biener  <rguenther@suse.de>
11233         PR tree-optimization/86865
11234         * graphite-scop-detection.c (scop_detection::can_represent_loop):
11235         Reject non-do-while loops.
11237 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
11239         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
11240         * config/rs6000/constraints.md (Q constraint): Use REG_P.
11241         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
11242         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
11243         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
11244         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
11245         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
11246         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
11247         vlogical_operand, gpc_reg_operand, int_reg_operand,
11248         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
11249         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
11250         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
11251         (save_world_operation, restore_world_operation, lmw_operation,
11252         stmw_operation): Use MEM_P and REG_P.
11253         (tie_operand): Use MEM_P.
11254         (vrsave_operation, crsave_operation): Use REG_P.
11255         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
11256         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
11257         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
11258         (call_operand): Use HARD_REGISTER_P.
11259         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
11260         Use CONST_INT_P.
11261         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
11262         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
11263         quad_aligned_load_p, replace_swapped_aligned_store,
11264         recombine_lvx_pattern, replace_swapped_aligned_load,
11265         recombine_stvx_pattern): Use MEM_P.
11266         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
11267         Use MEM_P and SYMBOL_REF_P.
11268         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
11269         (insn_is_swappable_p): Use REG_P and MEM_P.
11270         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
11271         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
11272         Use CONST_INT_P.
11273         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
11274         Use CONST_DOUBLE_P.
11275         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
11276         CONST_WIDE_INT_P.
11277         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
11278         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
11279         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
11280         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
11281         reg_or_subregno:
11282         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
11283         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
11284         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
11285         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
11286         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
11287         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
11288         rs6000_split_logical_di): Use CONST_INT_P.
11289         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
11290         REG_P and SYMBOL_REF_P.
11291         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
11292         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
11293         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
11294         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
11295         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
11296         (small_data_operand, print_operand_address): Use CONST_INT_P and
11297         SYMBOL_REF_P.
11298         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
11299         (rs6000_init_hard_regno_mode_ok, direct_move_p):
11300         Use HARD_REGISTER_NUM_P.
11301         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
11302         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
11303         SUBREG_P and SYMBOL_REF_P.
11304         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
11305         and HARD_REGISTER_NUM_P.
11306         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
11307         reg_or_subregno.
11308         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
11309         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
11310         MEM_P and REG_P.
11311         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
11312         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
11313         find_addr_reg): Use REG_P.
11314         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
11315         (rs6000_emit_le_vsx_move): Use SUBREG_P.
11316         (offsettable_ok_by_alignment, constant_pool_expr_p,
11317         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
11318         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
11319         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
11320         rs6000_assemble_integer, create_TOC_reference,
11321         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
11322         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
11323         (rs6000_split_vec_extract_var): Use reg_or_subregno.
11324         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
11325         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
11326         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
11327         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
11328         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
11329         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
11330         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
11331         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
11332         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
11333         and cbranch<mode>4): Use CONST_INT_P.
11334         (multiple define_splits): Use REG_P and SUBREG_P.
11335         (define_expands call, call_value): Use MEM_P.
11336         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
11337         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
11338         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
11339         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
11340         and HARD_REGISTER_NUM_P.
11341         (multiple define_splits): Use HARD_REGISTER_NUM_P.
11343 2019-01-24  UroÅ¡ Bizjak  <ubizjak@gmail.com>
11345         PR rtl-optimization/88948
11346         * rtl.h (prepare_copy_insn): New prototype.
11347         * gcse.c (prepare_copy_insn): New function, split out from
11348         process_insert_insn.
11349         (process_insert_insn): Use prepare_copy_insn.
11350         * store-motion.c (replace_store_insn): Use prepare_copy_insn
11351         instead of gen_move_insn.
11353 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
11355         PR debug/89006
11356         * config/i386/i386.c (ix86_pic_register_p): Return true for
11357         UNSPEC_SET_GOT too.
11359         PR tree-optimization/88964
11360         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
11361         punt if HONOR_SNANS (chrec).
11363         PR middle-end/89015
11364         * tree-nested.c (convert_nonlocal_reference_stmt,
11365         convert_local_reference_stmt, convert_tramp_reference_stmt,
11366         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
11367         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
11368         or GIMPLE_OMP_TASK.
11370         PR tree-optimization/89027
11371         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
11372         for "omp simd array" variables.
11374 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
11376         PR target/88469
11377         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
11378         force the alignment of m_val.
11380 2019-01-24  Richard Biener  <rguenther@suse.de>
11382         PR lto/87187
11383         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
11384         When in "legacy" debug mode make sure to reset self-origins.
11386 2019-01-24  Martin Liska  <mliska@suse.cz>
11388         PR gcov-profile/88994
11389         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
11390         result will be always smaller or equal to the original.
11391         * gcov.c (mangle_name): Fix else branch where we should
11392         also copy to PTR and shift the pointer.
11394 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
11396         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
11397         * vr-values.c (find_case_label_ranges): Fix a comment typo.
11399 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
11401         * common/config/i386/i386-common.c
11402         (OPTION_MASK_ISA_ENQCMD_SET,
11403         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
11404         (ix86_handle_option): Handle -menqcmd.
11405         * config.gcc (enqcmdintrin.h): New header file.
11406         * config/i386/cpuid.h (bit_ENQCMD): New bit.
11407         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
11408         -menqcmd.
11409         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
11410         function type.
11411         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
11412         __builtin_ia32_enqcmds): New builtins.
11413         * config/i386/i386-c.c (__ENQCMD__): New macro.
11414         * config/i386/i386-option.c (ix86_target_string): Add
11415         -menqcmd.
11416         (ix86_valid_target_attribute_inner_p): Likewise.
11417         * config/i386/i386-expand.c
11418         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
11419         IX86_BUILTIN_ENQCMDS.
11420         * config/i386/i386.h (TARGET_ENQCMD): New.
11421         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
11422         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
11423         (movdir64b_<mode>): Parameterize to enable share expansion code
11424         with ENQCMD in function ix86_expand_builtin.
11425         * config/i386/i386.opt: Add -menqcmd.
11426         * config/i386/immintrin.h: Include enqcmdintrin.h.
11427         * config/i386/enqcmdintrin.h: New intrinsic file.
11428         * doc/invoke.texi: Add -menqcmd.
11430 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
11431             Steve Ellcey <sellcey@marvell.com>
11433         PR target/85711
11434         * recog.c (address_operand): Return false on wrong mode for address.
11435         (constrain_operands): Check for mode with 'p' constraint.
11437 2019-01-23  UroÅ¡ Bizjak  <ubizjak@gmail.com>
11439         PR target/88998
11440         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
11441         Disparage MMX alternative.
11442         (sse2_cvtpd2pi): Ditto.
11443         (sse2_cvttpd2pi): Ditto.
11445 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
11447         PR driver/89014
11448         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
11449         use-after-free of the result of
11450         aarch64_get_extension_string_for_isa_flags.
11452 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
11454         PR c/44715
11455         * doc/extend.texi: Document break and continue behavior in
11456         statement expressions.
11458 2019-01-23  Richard Biener  <rguenther@suse.de>
11460         PR tree-optimization/89008
11461         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
11462         not leave another stray operand.
11464 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
11466         * BASE-VER: Bump to 9.0.1.
11468 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
11470         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
11471         thunk that returns by reference, use the type of the return object
11472         of the thunk instead of that of the alias to build the dereference.
11474 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
11476         * config/arc/atomic.md: Add operand to DMB instruction.
11478 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
11480         PR tree-optimization/88964
11481         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
11482         build_zero_cst instead of build_int_cst.  Return false for loop
11483         invariants which honor signed zeros.
11485 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
11487         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
11489 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
11491         PR target/88965
11492         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
11493         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
11494         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
11496         PR middle-end/88968
11497         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
11498         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
11500         PR target/87064
11501         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
11502         Disable for little endian.
11504 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
11506         PR target/88469
11507         * config/arm/arm.c (arm_needs_double_word_align): Check
11508         DECL_BIT_FIELD_TYPE.
11510 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
11511             H.J. Lu  <hongjiu.lu@intel.com>
11513         PR target/88909
11514         * config/i386/i386-builtin.def: Add mask2 to all builtin
11515         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
11516         SPECIAL_ARGS.
11517         * config/i386/i386.c (BDESC): Add mask2 to the definition.
11518         (BDESC_FIRST): Likewise.
11519         (define_builtin): Add an argument for mask2.  Updated to handle
11520         both ix86_isa_flags and ix86_isa_flags2.
11521         (define_builtin_const): Likewise.
11522         (define_builtin_pure): Likewise.
11523         (define_builtin2): Deleted.
11524         (define_builtin_const2): Likewise.
11525         (builtin_description): Add a member, mask2.
11526         (bdesc_*): Add mask2 to builtin initializations.
11527         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
11528         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
11529         support.
11530         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
11532 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11534         PR target/88954
11535         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
11536         noplt attribute.
11538 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
11540         PR target/88469
11541         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
11542         alignment is dominated by a bitfield with 64-bit aligned base type.
11543         (arm_function_arg): Emit a warning if the alignment has changed since
11544         earlier GCC releases.
11545         (arm_function_arg_boundary): Likewise.
11546         (arm_setup_incoming_varargs): Likewise.
11548 2019-01-22  Richard Biener  <rguenther@suse.de>
11550         PR tree-optimization/88862
11551         * graphite-scop-detection.c
11552         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
11554 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
11556         * doc/extend.tex (AMD GCN Function Attributes): New section.
11557         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
11558         * doc/invoke.texi (AMD GCN Options): New section.
11559         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
11561 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11563         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
11564         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
11566 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
11568         PR tree-optimization/88044
11569         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
11570         is false in the first iteration, but !every_iteration, return false
11571         instead of true with niter->niter zero.
11573         PR rtl-optimization/88904
11574         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
11575         any nonequal registers before processing BB_END (b).
11577         PR target/88905
11578         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
11579         GET_MODE (op0).
11580         (expand_binop_directly, expand_doubleword_clz,
11581         expand_doubleword_popcount, expand_ctz, expand_ffs,
11582         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
11584         PR rtl-optimization/49429
11585         PR target/49454
11586         PR rtl-optimization/86334
11587         PR target/88906
11588         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
11589         addressable from here...
11590         (emit_block_op_via_libcall): ... to here.
11592 2019-01-22  Richard Biener  <rguenther@suse.de>
11594         * tree-vect-loop.c (vect_analyze_loop_operations): Use
11595         auto_vec for cost vector to fix memleak.
11596         (vectorize_fold_left_reduction): Properly gather SLP defs.
11597         (vectorizable_comparison): Do not swap operands to properly
11598         gather SLP defs.
11600 2019-01-22  Alan Modra  <amodra@gmail.com>
11602         PR target/88614
11603         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
11604         stays a reg.  Allow a const_int.
11605         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
11606         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
11607         (IS_NOMARK_TLSGETADDR): Define.
11608         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
11609         (rs6000_output_tlsargs): New function.
11610         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
11611         __tls_get_addr call takes an arg.
11612         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
11613         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
11614         delete split..
11615         (call_value_nonlocal_sysv): ..or here, delete split.
11616         (tls_gdld_nomark): Delete.
11617         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
11618         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
11619         (call_value_nonlocal_sysv): Likewise.
11620         (call_value_nonlocal_sysv_secure): Likewise.
11621         (call_value_nonlocal_aix): Likewise.
11622         (call_value_indirect_aix): Likewise.
11623         (call_value_indirect_elfv2): Likewise.
11624         (call_value_local32, call_value_local64): Disable for no-mark tls.
11625         (call_value_local_aix): Likewise.
11627 2019-01-21  UroÅ¡ Bizjak  <ubizjak@gmail.com>
11629         PR target/88938
11630         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
11631         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
11633 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
11635         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
11636         string contents as hash_map keys.
11638 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11640         PR c/88928
11641         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
11642         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
11643         instead of TYPE_ALIGN.
11644         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
11645         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
11646         pointer from TYPE_STUB_DECL.
11648 2019-01-21  Richard Biener  <rguenther@suse.de>
11650         PR tree-optimization/88934
11651         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
11652         at the possibly non-constant operand.
11653         (vect_get_constant_vectors): Adjust.
11655 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
11657         PR target/71659
11658         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
11659         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
11660         instead of _X86INTRIN_H_INCLUDED.
11661         * onfig/i386/clwbintrin.h: Likewise.
11662         * config/i386/pkuintrin.h: Likewise.
11663         * config/i386/prfchwintrin.h: Likewise.
11664         * config/i386/rdseedintrin.h: Likewise.
11665         * config/i386/wbnoinvdintrin.h: Likewise.
11666         * config/i386/xsavecintrin.h: Likewise.
11667         * config/i386/xsavesintrin.h: Likewise.
11668         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
11669         * config/i386/xsaveintrin.h: Likewise.
11670         * config/i386/xsaveoptintrin.h: Likewise.
11671         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
11672         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
11673         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
11674         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
11675         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
11676         * config/i386/immintrin.h: Here.
11678 2019-01-20  Martin Jambor  <mjambor@suse.cz>
11680         PR ipa/87615
11681         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
11682         with aa_walk_budget.
11683         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
11684         aa_walk_budget_p parameter.
11685         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
11686         walk.  Updated all callers.
11687         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
11688         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
11689         unmodified_parm.
11690         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
11691         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
11692         and to unmodified_parm.
11693         (phi_result_unknown_predicate): New parameter fbi, removed parameter
11694         info, updated call to will_be_nonconstant_expr_predicate.
11695         (param_change_prob): New parameter fbi, limit AA walking.
11696         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
11697         calls to various above functions.
11698         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
11699         parameter.  Use it to limit AA walking.
11700         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
11701         fbi, limit AA walk.
11702         (detect_type_change): New parameter fbi, pass it on to
11703         detect_type_change_from_memory_writes.
11704         (detect_type_change_ssa): Likewise.
11705         (aa_overwalked): Removed.
11706         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
11707         accordingly, adjust to the neew AA limiting scheme.
11708         (parm_ref_data_preserved_p): Likewise.
11709         (ipa_compute_jump_functions_for_edge): Adjust call to
11710         get_dynamic_type.
11711         (ipa_analyze_call_uses): Likewise.
11712         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
11713         (ipa_analyze_node): Initialize aa_walk_budget.
11714         (ipcp_transform_function): Likewise.
11715         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
11716         to get_dynamic_type.
11718 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
11720         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
11721         outside of #if CHECKING_P code.
11723 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
11725         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
11726         New function, split out from...
11727         (loop_versioning::analyze_stride): ...here.
11728         (loop_versioning::find_per_loop_multiplication): Use gassign.
11729         (loop_versioning::analyze_term_using_scevs): Return a success code.
11730         (loop_versioning::analyze_arbitrary_term): New function.
11731         (loop_versioning::analyze_address_fragment): Use
11732         analyze_arbitrary_term if all else fails.
11734 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
11736         PR target/88892
11737         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
11738         operands.
11740 2019-01-18  Richard Biener  <rguenther@suse.de>
11742         PR tree-optimization/88903
11743         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
11744         scalar stmts a SLP shift amount is composed of when detecting
11745         shifts by scalars.
11747 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
11749         PR target/88799
11750         * config/arm/arm-cpus.in (mp): New feature.
11751         (sec): New feature.
11752         (fgroup ARMv7ve): Add mp and sec features.
11753         (arch armv7-a): Add options to allow mp and sec extensions.
11754         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
11755         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
11756         extenstions to the base architecture.
11757         (cpu cortex-a8): Add sec extension to the base architecture.
11758         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
11759         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
11760         variants down to the base v7-a varaint.
11761         * config/arm/t-multilib (v7_a_arch_variants): New variable.
11762         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
11763         of permitted extensions for -march=armv7-a and for
11764         -mcpu=generic-armv7-a.
11766 2019-01-18  Martin Liska  <mliska@suse.cz>
11768         * params.def: Fix comment.
11769         * tree-profile.c (gimple_init_gcov_profiler): Bump function
11770         name.
11771         (gimple_gen_ic_func_profiler): Likewise.
11773 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11775         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
11776         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
11777         and put in error checks for stack protector guard options.
11778         (aarch64_stack_protect_guard): New.
11779         (TARGET_STACK_PROTECT_GUARD): Define.
11780         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
11781         (reg_stack_protect_address<mode>): New.
11782         (stack_protect_set): Adjust for SSP_GLOBAL.
11783         (stack_protect_test): Likewise.
11784         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
11785         (-mstack-protector-guard): Likewise.
11786         (-mstack-protector-guard-offset): Likewise.
11788 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
11790         PR tree-optimization/86214
11791         * tree-inline.h (struct copy_body_data): Add
11792         add_clobbers_to_eh_landing_pads member.
11793         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
11794         (copy_edges_for_bb): Call it if EH edge destination is <
11795         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
11796         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
11797         if flag_stack_reuse != SR_NONE and clear it afterwards.
11799 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
11801         PR target/85596
11802         * doc/install.texi (with-multilib-list): Document for aarch64.
11804 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
11806         PR target/88734
11807         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
11808         (("..."))) with ("...").
11810 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
11812         * doc/extend.texi (Built-in Functions for Memory Model Aware
11813         Atomic Operations): Document atomic fetch and nand.
11815 2019-01-18  Martin Liska  <mliska@suse.cz>
11816             Richard Biener  <rguenther@suse.de>
11818         PR middle-end/88587
11819         * cgraph.h (create_version_clone_with_body): Add new argument
11820         with attributes.
11821         * cgraphclones.c (cgraph_node::create_version_clone): Add
11822         DECL_ATTRIBUTES to a newly created decl.  And call
11823         valid_attribute_p so that proper cl_target_optimization_node
11824         is set for the newly created declaration.
11825         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
11826         for declaration.
11827         (expand_target_clones): Do not call valid_attribute_p, it must
11828         be already done.
11829         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
11830         vector types.
11832 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
11834         PR target/88734
11835         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
11836         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
11837         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
11839 2019-01-17  Martin Sebor  <msebor@redhat.com>
11841         PR middle-end/88273
11842         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
11843         Handle anti-ranges the same as no range at all.
11845 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
11847         * config/aarch64/aarch64.c (cgraph.h): New include.
11848         (intl.h): New include.
11849         (supported_simd_type): New function.
11850         (currently_supported_simd_type): Ditto.
11851         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
11852         (aarch64_simd_clone_adjust): Ditto.
11853         (aarch64_simd_clone_usable): Ditto.
11854         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
11855         (TARGET_SIMD_CLONE_ADJUST): Ditto.
11856         (TARGET_SIMD_CLONE_USABLE): Ditto.
11857         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
11858         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
11859         call.
11861 2019-01-17  Martin Sebor  <msebor@redhat.com>
11863         PR tree-optimization/88800
11864         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
11865         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
11866         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
11867         redundant argument.  Add new argument and issue diagnostics under
11868         its control.  Detect out-of-bounds access even with warnings
11869         disabled.
11870         (check_bounds_or_overlap): Change return type.  Add argument.
11871         (wrestrict_dom_walker::check_call): Adjust.
11872         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
11873         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
11874         check_bounds_or_overlap's return value.
11875         (handle_builtin_stxncpy): Same.
11876         (handle_builtin_strcat): Same.
11878 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11879             Kwok Cheung Yeung  <kcy@codesourcery.com>
11880             Julian Brown  <julian@codesourcery.com>
11881             Tom de Vries  <tom@codesourcery.com>
11883         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
11885 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11887         * doc/sourcebuild.texi: Document dg-require-effective-target
11888         llvm_binutils and offload_gcn.
11890 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11891             Kwok Cheung Yeung  <kcy@codesourcery.com>
11892             Julian Brown  <julian@codesourcery.com>
11893             Tom de Vries  <tom@codesourcery.com>
11895         * doc/sourcebuild.texi: Document dg-required-effective-target
11896         exceptions.
11898 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11899             Kwok Cheung Yeung  <kcy@codesourcery.com>
11900             Julian Brown  <julian@codesourcery.com>
11901             Tom de Vries  <tom@codesourcery.com>
11902             Jan Hubicka  <hubicka@ucw.cz>
11903             Martin Jambor  <mjambor@suse.cz>
11905         * config.gcc: Add amdgcn*-*-amdhsa configuration.
11906         * configure.ac: Check for dlopen.
11907         * configure: Regenerate.
11909 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11910             Kwok Cheung Yeung  <kcy@codesourcery.com>
11911             Julian Brown  <julian@codesourcery.com>
11912             Tom de Vries  <tom@codesourcery.com>
11913             Jan Hubicka  <hubicka@ucw.cz>
11914             Martin Jambor  <mjambor@suse.cz>
11916         * common/config/gcn/gcn-common.c: New file.
11917         * config/gcn/driver-gcn.c: New file.
11918         * config/gcn/gcn-builtins.def: New file.
11919         * config/gcn/gcn-hsa.h: New file.
11920         * config/gcn/gcn-modes.def: New file.
11921         * config/gcn/gcn-opts.h: New file.
11922         * config/gcn/gcn-passes.def: New file.
11923         * config/gcn/gcn-protos.h: New file.
11924         * config/gcn/gcn-run.c: New file.
11925         * config/gcn/gcn-tree.c: New file.
11926         * config/gcn/gcn.c: New file.
11927         * config/gcn/gcn.h: New file.
11928         * config/gcn/gcn.opt: New file.
11929         * config/gcn/t-gcn-hsa: New file.
11931 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11932             Kwok Cheung Yeung  <kcy@codesourcery.com>
11933             Julian Brown  <julian@codesourcery.com>
11934             Tom de Vries  <tom@codesourcery.com>
11935             Jan Hubicka  <hubicka@ucw.cz>
11936             Martin Jambor  <mjambor@suse.cz>
11938         * config/gcn/constraints.md: New file.
11939         * config/gcn/gcn-valu.md: New file.
11940         * config/gcn/gcn.md: New file.
11941         * config/gcn/predicates.md: New file.
11943 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11945         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
11946         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
11947         (stmt_uses_0_or_null_in_undefined_way): Likewise.
11948         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
11950 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
11952         PR target/88851
11953         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
11954         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
11955         it and document registers.
11957 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11959         * config/aarch64/aarch64.c (ares_tunings): Define.
11960         * config/aarch64/aarch64-cores.def (ares): Use the above.
11962 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
11964         PR target/88794
11965         Revert:
11966         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
11968         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
11969         (_mm512_fixupimm_round_pd): Update parameters and builtin.
11970         (_mm512_maskz_fixupimm_round_pd): Ditto.
11971         (_mm512_fixupimm_round_ps): Ditto.
11972         (_mm512_maskz_fixupimm_round_ps): Ditto.
11973         (_mm_fixupimm_round_sd): Ditto.
11974         (_mm_maskz_fixupimm_round_sd): Ditto.
11975         (_mm_fixupimm_round_ss): Ditto.
11976         (_mm_maskz_fixupimm_round_ss): Ditto.
11977         (_mm512_fixupimm_pd): Ditto.
11978         (_mm512_maskz_fixupimm_pd): Ditto.
11979         (_mm512_fixupimm_ps): Ditto.
11980         (_mm512_maskz_fixupimm_ps): Ditto.
11981         (_mm_fixupimm_sd): Ditto.
11982         (_mm_maskz_fixupimm_sd): Ditto.
11983         (_mm_fixupimm_ss): Ditto.
11984         (_mm_maskz_fixupimm_ss): Ditto.
11985         (_mm512_mask_fixupimm_round_pd): Update builtin.
11986         (_mm512_mask_fixupimm_round_ps): Ditto.
11987         (_mm_mask_fixupimm_round_sd): Ditto.
11988         (_mm_mask_fixupimm_round_ss): Ditto.
11989         (_mm512_mask_fixupimm_pd): Ditto.
11990         (_mm512_mask_fixupimm_ps): Ditto.
11991         (_mm_mask_fixupimm_sd): Ditto.
11992         (_mm_mask_fixupimm_ss): Ditto.
11993         * config/i386/avx512vlintrin.h:
11994         (_mm256_fixupimm_pd): Update parameters and builtin.
11995         (_mm256_maskz_fixupimm_pd): Ditto.
11996         (_mm256_fixupimm_ps): Ditto.
11997         (_mm256_maskz_fixupimm_ps): Ditto.
11998         (_mm_fixupimm_pd): Ditto.
11999         (_mm_maskz_fixupimm_pd): Ditto.
12000         (_mm_fixupimm_ps): Ditto.
12001         (_mm_maskz_fixupimm_ps): Ditto.
12002         (_mm256_mask_fixupimm_pd): Update builtin.
12003         (_mm256_mask_fixupimm_ps): Ditto.
12004         (_mm_mask_fixupimm_pd): Ditto.
12005         (_mm_mask_fixupimm_ps): Ditto.
12006         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
12007         * config/i386/i386-builtin.def: Update builtin definitions.
12008         * config/i386/i386.c: Handle new builtin types and remove useless ones.
12009         * config/i386/sse.md: Update VFIXUPIMM* patterns.
12010         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
12011         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
12012         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
12013         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
12014         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
12015         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
12016         * config/i386/subst.md:
12017         (round_saeonly_sd_mask_operand4): Add new subst_attr.
12018         (round_saeonly_sd_mask_op4): Ditto.
12019         (round_saeonly_expand_operand5): Ditto.
12020         (round_saeonly_expand): Update.
12022 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
12024         PR target/88794
12025         Revert:
12026         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
12028         * config/i386/sse.md: Combine VFIXUPIMM* patterns
12029         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
12030         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
12031         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
12032         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
12033         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
12034         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
12036 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
12038         PR target/88794
12039         Revert:
12040         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
12042         PR target/88489
12043         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
12044         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
12045         instead of UNSPEC_FIXUPIMM.
12047 2019-01-17  Richard Biener  <rguenther@suse.de>
12049         PR lto/86736
12050         * dwarf2out.c (want_pubnames): Never generate pubnames sections
12051         and friends for the LTO part of debug info.
12053 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
12055         PR tree-optimization/86214
12056         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
12057         if x == y.
12059         PR rtl-optimization/88870
12060         * dce.c (deletable_insn_p): Never delete const/pure calls that can
12061         throw if we can't alter the cfg or delete dead exceptions.
12062         (mark_insn): Don't call find_call_stack_args for such calls.
12064 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
12066         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
12067         prototypes for vec_st.
12068         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
12069         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
12070         mainly on signed/unsigned long long and double.
12072 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
12074         PR target/88861
12075         * combine.c (delete_noop_moves): Convert to "bool" return,
12076         returning true if any edges are eliminated.
12077         (combine_instructions): Also return true if delete_noop_moves
12078         returns true.
12080 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
12082         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
12083         correct max nunits for endian swap.
12084         (aarch64_expand_fcmla_builtin): Correct subreg code.
12085         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
12086         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
12087         lane endianness.
12089 2019-01-16  UroÅ¡ Bizjak  <ubizjak@gmail.com>
12091         * config/alpha/alpha.c (alpha_gimplify_va_arg):
12092         Handle split indirect COMPLEX_TYPE arguments.
12094 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
12096         PR target/86891
12097         * config/aarch64/aarch64-modes.def: Add comment about how the carry
12098         bit is set by add and compare.
12099         (CC_ADC): New CC_MODE.
12100         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
12101         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
12102         comparison.  Add detection for CC_ADCmode.
12103         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
12104         CC_ADCmode.
12105         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
12106         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
12107         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
12108         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
12109         to eliminate the need for zero-extending the operands.
12110         (add<mode>3_compareC_imm): Delete.  Merge into ...
12111         (add<mode>3_compareC): ... this.  Restructure the comparison to
12112         eliminate the need for zero-extending the operands.
12113         (add<mode>3_carryin): Use LTU for the overflow detection.
12114         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
12115         Reexpress comparison for overflow.
12116         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
12117         (add<mode>3_carryinC): Likewise.
12118         (add<mode>3_carryinV): Use LTU for carry between partials.
12119         * config/aarch64/predicates.md (aarch64_carry_operation): Update
12120         handling of CC_Cmode and add CC_ADCmode.
12121         (aarch64_borrow_operation): Likewise.
12123 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
12125         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
12126         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
12127         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
12128         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
12130 2019-01-16  Martin Liska  <mliska@suse.cz>
12132         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
12133         for GCC driver.
12134         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
12135         a new argument.
12136         * gcc.c (add_sysrooted_hdrs_prefix): New function.
12137         (path_prefix_reset): Move up in the source file.
12138         (find_fortran_preinclude_file): Make complex search for the
12139         fortran header files.
12141 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
12143         * godump.c (go_output_typedef): When outputting a typedef, refer
12144         to the underlying type by its name and not its structure.
12146 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
12148         PR c++/88795
12149         * tree.c (build_function_type): Assert that arg_types is not
12150         error_mark_node.
12152 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
12154         PR inline-asm/52813
12155         * doc/extend.texi: Document that listing the stack pointer in the
12156         clobber list of an asm is a deprecated feature.
12157         * common.opt (Wdeprecated): Moved from c-family/c.opt.
12158         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
12159         warning instead of an error for clobbers of the stack pointer.
12160         Add a note explaining why.
12162 2019-01-15  Richard Biener  <rguenther@suse.de>
12164         PR debug/88046
12165         * dwarf2out.c (gen_member_die): Do not generate inheritance
12166         DIEs late.
12168 2019-01-15  Richard Biener  <rguenther@suse.de>
12170         PR tree-optimization/88855
12171         * tree-if-conv.c (combine_blocks): Collect
12172         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
12174 2019-01-15  Tom de Vries  <tdevries@suse.de>
12176         PR target/80547
12177         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
12178         lhs == NULL_TREE for gang-level reduction.
12180 2019-01-15  Richard Biener  <rguenther@suse.de>
12181             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
12183         PR ipa/88788
12184         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
12185         return true if SSA_NAME is already marked in visited bitmap.
12186         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
12188 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
12190         PR tree-optimization/88775
12191         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
12192         equal == 0 equality pointer comparisons some more if compared in
12193         integral types and either one points to an automatic var and the
12194         other to a global, or we can prove at least one points to the middle
12195         or both point to start or both point to end.
12197 2019-01-14  Andi Kleen  <ak@linux.intel.com>
12199         * Makefile.in: Lower autofdo sampling rate by 10x.
12200         * Makefile.tpl: Dito.
12202 2019-01-14  Tom Honermann  <tom@honermann.net>
12204         * defaults.h: Define CHAR8_TYPE.
12206 2019-01-14  Martin Sebor  <msebor@redhat.com>
12208         PR target/88638
12209         * doc/extend.texi (Darwin Format Checks): Clarify.
12211 2019-01-14  Richard Biener  <rguenther@suse.de>
12213         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
12214         whether we are in (simplify ...) or (match ...) context.
12216 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
12218         PR rtl-optimization/88796
12219         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
12220         * cfgexpand.c (stack_protect_prologue): Initialize
12221         crtl->stack_protect_guard_decl.
12222         * function.c (stack_protect_epilogue): Use it instead of calling
12223         targetm.stack_protect_guard again.
12224         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
12225         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
12226         crtl->stack_protect_guard_decl.
12227         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
12228         on the returned MEM_EXPR.
12230 2019-01-12  Tom de Vries  <tdevries@suse.de>
12232         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
12233         vector length using -fopenacc-dim.
12235 2019-01-12  Tom de Vries  <tdevries@suse.de>
12237         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
12238         lengths into account.
12240 2019-01-12  Svante Signell  <svante.signell@gmail.com>
12242         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
12243         (TARGET_CAN_SPLIT_STACK): Define.
12244         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
12246 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12248         * params.def (inline-unit-growth): Set to 40.
12250 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
12252         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
12254 2019-01-12  Tom de Vries  <tdevries@suse.de>
12256         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
12257         region calling vector-partitionable routine, set default_vector_length
12258         to WARP_SIZE.
12260 2019-01-12  Tom de Vries  <tdevries@suse.de>
12262         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
12263         variable default_vector_length.
12265 2019-01-12  Tom de Vries  <tdevries@suse.de>
12267         PR middle-end/88703
12268         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
12269         from oacc_default_dims, as oacc_validate_dims would do it, and apply
12270         dimensions limits.
12272 2019-01-12  Tom de Vries  <tdevries@suse.de>
12274         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
12275         (nvptx_goacc_validate_dims): Add used parameter.
12276         * doc/tm.texi: Regenerate.
12277         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
12278         argument to call to targetm.goacc.validate_dims.
12279         (default_goacc_validate_dims): Add used
12280         parameter.
12281         * target.def (validate_dims): Add used parameter in DEFHOOK.
12282         * targhooks.h (default_goacc_validate_dims): Add used parameter.
12284 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
12286         PR middle-end/85956
12287         PR lto/88733
12288         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
12289         field.
12290         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
12291         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
12292         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
12293         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
12295 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
12297         PR rtl-optimization/87305
12298         * lra-assigns.c
12299         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
12300         for little endian pseudos used as paradoxical subreg.
12302 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
12304         PR tree-optimization/88693
12305         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
12306         for STRING_CSTs that don't contain any NUL characters in the first
12307         TREE_STRING_LENGTH bytes.
12309 2019-01-11  Alan Modra  <amodra@gmail.com>
12311         PR 88777
12312         PR 88614
12313         * genattrtab.c (min_fn): Don't translate values.
12314         (min_attr_value): Return INT_MAX when the value can't be calculated.
12315         Return minimum among any values that can be calculated.
12316         (max_attr_value): Adjust.
12318 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
12320         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
12322 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
12324         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
12325         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
12326         (aarch64_return_call_with_max_clobbers): New function.
12327         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
12328         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
12329         argument.
12330         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
12331         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
12332         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
12333         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
12334         * cselib.c (cselib_process_insn): Add argument to
12335         targetm.hard_regno_call_part_clobbered call.
12336         * ira-conflicts.c (ira_build_conflicts): Ditto.
12337         * ira-costs.c (ira_tune_allocno_costs): Ditto.
12338         * lra-constraints.c (inherit_reload_reg): Ditto.
12339         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
12340         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
12341         argument.  Call targetm.return_call_with_max_clobbers.
12342         Add argument to targetm.hard_regno_call_part_clobbered call.
12343         (calls_have_same_clobbers_p): New function.
12344         (process_bb_lives): Add call_insn and last_call_insn variables.
12345         Pass call_insn to check_pseudos_live_through_calls.
12346         Modify if stmt to check targetm.return_call_with_max_clobbers.
12347         Update setting of flush variable.
12348         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
12349         to false.
12350         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
12351         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
12352         targetm.hard_regno_call_part_clobbered call.
12353         * reginfo.c (choose_hard_reg_mode): Ditto.
12354         * regrename.c (check_new_reg_p): Ditto.
12355         * reload.c (find_equiv_reg): Ditto.
12356         * reload1.c (emit_reload_insns): Ditto.
12357         * sched-deps.c (deps_analyze_insn): Ditto.
12358         * sel-sched.c (init_regs_for_mode): Ditto.
12359         (mark_unavailable_hard_regs): Ditto.
12360         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
12361         * target.def (hard_regno_call_part_clobbered): Add insn argument.
12362         (return_call_with_max_clobbers): New target function.
12363         * doc/tm.texi: Regenerate.
12364         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
12365         * hooks.c (hook_bool_uint_mode_false): Change to
12366         hook_bool_insn_uint_mode_false.
12367         * hooks.h (hook_bool_uint_mode_false): Ditto.
12369 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
12371         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
12372         (aarch64_remove_extra_call_preserved_regs): New function.
12373         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
12374         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
12375         * doc/tm.texi: Regenerate.
12376         * final.c (get_call_reg_set_usage): Call new hook.
12377         * target.def (remove_extra_call_preserved_regs): New hook.
12378         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
12379         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
12381 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
12383         PR bootstrap/88714
12384         * passes.c (finish_optimization_passes): Call print_combine_total_stats
12385         inside of pass_combine_1 dump rather than pass_profile_1.
12387 2019-01-11  Tom de Vries  <tdevries@suse.de>
12389         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
12390         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
12391         (PTX_NUM_PER_WORKER_BARRIERS): Define.
12392         (nvptx_apply_dim_limits): Prevent vector_length 64 and
12393         num_workers 16.
12395 2019-01-11  Tom de Vries  <tdevries@suse.de>
12397         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
12399 2019-01-11  Jan Beulich  <jbeulich@suse.com>
12401         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
12402         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
12403         sse2_cvtsi2sd): Add {l}.
12404         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
12405         syntax.
12407 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
12409         PR target/88785
12410         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
12411         define_expand.
12412         (*float<floatunssuffix>v2div2sf2): New define_insn.
12413         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
12414         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
12415         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
12416         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
12417         match_operands with "const0_operand" "C".
12419 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
12421         * config/aarch64/aarch64-builtins.c
12422         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
12423         (aarch64_init_simd_builtins): ...Here
12425 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
12427         PR rtl-optimization/87305
12428         * lra-assigns.c
12429         (setup_live_pseudos_and_spill_after_risky_transforms): Check
12430         allocation for big endian pseudos used as paradoxical subregs and
12431         spill them if it is wrong.
12432         * lra-constraints.c (lra_constraints): Add a comment.
12434 2019-01-10  Richard Biener  <rguenther@suse.de>
12436         PR tree-optimization/88792
12437         * tree-ssa-pre.c (get_representative_for): Do not return a
12438         value-number here.
12440 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
12442         PR middle-end/84877
12443         PR bootstrap/88450
12444         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
12445         (assign_parm_setup_block): Do the argument slot realignment here
12446         instead.
12448 2019-01-10  Stefan Agner  <stefan@agner.ch>
12450         PR target/88648
12451         * config/arm/arm.c (arm_option_override_internal): Force
12452         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
12454 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
12456         PR c/88568
12457         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
12458         DECL_EXTERNAL.
12460 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
12462         * config/arm/arm-builtins.c
12463         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
12464         (MAC_LANE_PAIR_QUALIFIERS): New.
12465         (arm_expand_builtin_args): Use it.
12466         (arm_expand_builtin_1): Likewise.
12467         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
12468         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
12469         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
12470         * config/arm/arm_neon.h:
12471         (vcadd_rot90_f16): New.
12472         (vcaddq_rot90_f16): New.
12473         (vcadd_rot270_f16): New.
12474         (vcaddq_rot270_f16): New.
12475         (vcmla_f16): New.
12476         (vcmlaq_f16): New.
12477         (vcmla_lane_f16): New.
12478         (vcmla_laneq_f16): New.
12479         (vcmlaq_lane_f16): New.
12480         (vcmlaq_laneq_f16): New.
12481         (vcmla_rot90_f16): New.
12482         (vcmlaq_rot90_f16): New.
12483         (vcmla_rot90_lane_f16): New.
12484         (vcmla_rot90_laneq_f16): New.
12485         (vcmlaq_rot90_lane_f16): New.
12486         (vcmlaq_rot90_laneq_f16): New.
12487         (vcmla_rot180_f16): New.
12488         (vcmlaq_rot180_f16): New.
12489         (vcmla_rot180_lane_f16): New.
12490         (vcmla_rot180_laneq_f16): New.
12491         (vcmlaq_rot180_lane_f16): New.
12492         (vcmlaq_rot180_laneq_f16): New.
12493         (vcmla_rot270_f16): New.
12494         (vcmlaq_rot270_f16): New.
12495         (vcmla_rot270_lane_f16): New.
12496         (vcmla_rot270_laneq_f16): New.
12497         (vcmlaq_rot270_lane_f16): New.
12498         (vcmlaq_rot270_laneq_f16): New.
12499         (vcadd_rot90_f32): New.
12500         (vcaddq_rot90_f32): New.
12501         (vcadd_rot270_f32): New.
12502         (vcaddq_rot270_f32): New.
12503         (vcmla_f32): New.
12504         (vcmlaq_f32): New.
12505         (vcmla_lane_f32): New.
12506         (vcmla_laneq_f32): New.
12507         (vcmlaq_lane_f32): New.
12508         (vcmlaq_laneq_f32): New.
12509         (vcmla_rot90_f32): New.
12510         (vcmlaq_rot90_f32): New.
12511         (vcmla_rot90_lane_f32): New.
12512         (vcmla_rot90_laneq_f32): New.
12513         (vcmlaq_rot90_lane_f32): New.
12514         (vcmlaq_rot90_laneq_f32): New.
12515         (vcmla_rot180_f32): New.
12516         (vcmlaq_rot180_f32): New.
12517         (vcmla_rot180_lane_f32): New.
12518         (vcmla_rot180_laneq_f32): New.
12519         (vcmlaq_rot180_lane_f32): New.
12520         (vcmlaq_rot180_laneq_f32): New.
12521         (vcmla_rot270_f32): New.
12522         (vcmlaq_rot270_f32): New.
12523         (vcmla_rot270_lane_f32): New.
12524         (vcmla_rot270_laneq_f32): New.
12525         (vcmlaq_rot270_lane_f32): New.
12526         (vcmlaq_rot270_laneq_f32): New.
12527         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
12528         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
12529         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
12530         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
12531         vcmlaq_lane270): New.
12532         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
12533         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
12534         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
12535         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
12536         (arm_option_reconfigure_globals): Use them.
12537         * config/arm/iterators.md (VDF, VQ_HSF): New.
12538         (VCADD, VCMLA): New.
12539         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
12540         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
12541         New.
12542         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
12543         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
12545 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
12547         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
12548         Add qualifier_lane_pair_index.
12549         (emit-rtl.h): Include.
12550         (TYPES_QUADOP_LANE_PAIR): New.
12551         (aarch64_simd_expand_args): Use it.
12552         (aarch64_simd_expand_builtin): Likewise.
12553         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
12554         New.
12555         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
12556         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
12557         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
12558         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
12559         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
12560         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
12561         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
12562         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
12563         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
12564         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
12565         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
12566         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
12567         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
12568         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
12569         Add __ARM_FEATURE_COMPLEX.
12570         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
12571         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
12572         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
12573         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
12574         fcmlaq_lane270): New.
12575         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
12576         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
12577         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
12578         * config/aarch64/arm_neon.h:
12579         (vcadd_rot90_f16): New.
12580         (vcaddq_rot90_f16): New.
12581         (vcadd_rot270_f16): New.
12582         (vcaddq_rot270_f16): New.
12583         (vcmla_f16): New.
12584         (vcmlaq_f16): New.
12585         (vcmla_lane_f16): New.
12586         (vcmla_laneq_f16): New.
12587         (vcmlaq_lane_f16): New.
12588         (vcmlaq_rot90_lane_f16): New.
12589         (vcmla_rot90_laneq_f16): New.
12590         (vcmla_rot90_lane_f16): New.
12591         (vcmlaq_rot90_f16): New.
12592         (vcmla_rot90_f16): New.
12593         (vcmlaq_laneq_f16): New.
12594         (vcmla_rot180_laneq_f16): New.
12595         (vcmla_rot180_lane_f16): New.
12596         (vcmlaq_rot180_f16): New.
12597         (vcmla_rot180_f16): New.
12598         (vcmlaq_rot90_laneq_f16): New.
12599         (vcmlaq_rot270_laneq_f16): New.
12600         (vcmlaq_rot270_lane_f16): New.
12601         (vcmla_rot270_laneq_f16): New.
12602         (vcmlaq_rot270_f16): New.
12603         (vcmla_rot270_f16): New.
12604         (vcmlaq_rot180_laneq_f16): New.
12605         (vcmlaq_rot180_lane_f16): New.
12606         (vcmla_rot270_lane_f16): New.
12607         (vcadd_rot90_f32): New.
12608         (vcaddq_rot90_f32): New.
12609         (vcaddq_rot90_f64): New.
12610         (vcadd_rot270_f32): New.
12611         (vcaddq_rot270_f32): New.
12612         (vcaddq_rot270_f64): New.
12613         (vcmla_f32): New.
12614         (vcmlaq_f32): New.
12615         (vcmlaq_f64): New.
12616         (vcmla_lane_f32): New.
12617         (vcmla_laneq_f32): New.
12618         (vcmlaq_lane_f32): New.
12619         (vcmlaq_laneq_f32): New.
12620         (vcmla_rot90_f32): New.
12621         (vcmlaq_rot90_f32): New.
12622         (vcmlaq_rot90_f64): New.
12623         (vcmla_rot90_lane_f32): New.
12624         (vcmla_rot90_laneq_f32): New.
12625         (vcmlaq_rot90_lane_f32): New.
12626         (vcmlaq_rot90_laneq_f32): New.
12627         (vcmla_rot180_f32): New.
12628         (vcmlaq_rot180_f32): New.
12629         (vcmlaq_rot180_f64): New.
12630         (vcmla_rot180_lane_f32): New.
12631         (vcmla_rot180_laneq_f32): New.
12632         (vcmlaq_rot180_lane_f32): New.
12633         (vcmlaq_rot180_laneq_f32): New.
12634         (vcmla_rot270_f32): New.
12635         (vcmlaq_rot270_f32): New.
12636         (vcmlaq_rot270_f64): New.
12637         (vcmla_rot270_lane_f32): New.
12638         (vcmla_rot270_laneq_f32): New.
12639         (vcmlaq_rot270_lane_f32): New.
12640         (vcmlaq_rot270_laneq_f32): New.
12641         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
12642         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
12643         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
12644         (FCADD, FCMLA): New.
12645         (rot): New.
12646         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
12648 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
12650         PR other/16615
12652         * config/pa/pa.c: Change "can not" to "cannot".
12653         * gimple-ssa-evrp-analyze.c: Likewise.
12654         * ipa-icf.c: Likewise.
12655         * ipa-polymorphic-call.c: Likewise.
12656         * ipa-pure-const.c: Likewise.
12657         * lra-constraints.c: Likewise.
12658         * lra-remat.c: Likewise.
12659         * reload1.c: Likewise.
12660         * reorg.c: Likewise.
12661         * tree-ssa-uninit.c: Likewise.
12663 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
12665         PR other/16615
12667         * Makefile.in: Mechanically replace "can not" with "cannot".
12668         * alias.c: Likewise.
12669         * builtins.c: Likewise.
12670         * calls.c: Likewise.
12671         * cgraph.c: Likewise.
12672         * cgraph.h: Likewise.
12673         * cgraphclones.c: Likewise.
12674         * cgraphunit.c: Likewise.
12675         * combine-stack-adj.c: Likewise.
12676         * combine.c: Likewise.
12677         * common/config/i386/i386-common.c: Likewise.
12678         * config/aarch64/aarch64.c: Likewise.
12679         * config/alpha/sync.md: Likewise.
12680         * config/arc/arc.c: Likewise.
12681         * config/arc/predicates.md: Likewise.
12682         * config/arm/arm-c.c: Likewise.
12683         * config/arm/arm.c: Likewise.
12684         * config/arm/arm.h: Likewise.
12685         * config/arm/arm.md: Likewise.
12686         * config/arm/cortex-r4f.md: Likewise.
12687         * config/csky/csky.c: Likewise.
12688         * config/csky/csky.h: Likewise.
12689         * config/darwin-f.c: Likewise.
12690         * config/epiphany/epiphany.md: Likewise.
12691         * config/i386/i386.c: Likewise.
12692         * config/i386/sol2.h: Likewise.
12693         * config/m68k/m68k.c: Likewise.
12694         * config/mcore/mcore.h: Likewise.
12695         * config/microblaze/microblaze.md: Likewise.
12696         * config/mips/20kc.md: Likewise.
12697         * config/mips/sb1.md: Likewise.
12698         * config/nds32/nds32.c: Likewise.
12699         * config/nds32/predicates.md: Likewise.
12700         * config/pa/pa.c: Likewise.
12701         * config/rs6000/e300c2c3.md: Likewise.
12702         * config/rs6000/rs6000.c: Likewise.
12703         * config/s390/s390.h: Likewise.
12704         * config/sh/sh.c: Likewise.
12705         * config/sh/sh.md: Likewise.
12706         * config/spu/vmx2spu.h: Likewise.
12707         * cprop.c: Likewise.
12708         * dbxout.c: Likewise.
12709         * df-scan.c: Likewise.
12710         * doc/cfg.texi: Likewise.
12711         * doc/extend.texi: Likewise.
12712         * doc/fragments.texi: Likewise.
12713         * doc/gty.texi: Likewise.
12714         * doc/invoke.texi: Likewise.
12715         * doc/lto.texi: Likewise.
12716         * doc/md.texi: Likewise.
12717         * doc/objc.texi: Likewise.
12718         * doc/rtl.texi: Likewise.
12719         * doc/tm.texi: Likewise.
12720         * dse.c: Likewise.
12721         * emit-rtl.c: Likewise.
12722         * emit-rtl.h: Likewise.
12723         * except.c: Likewise.
12724         * expmed.c: Likewise.
12725         * expr.c: Likewise.
12726         * fold-const.c: Likewise.
12727         * genautomata.c: Likewise.
12728         * gimple-fold.c: Likewise.
12729         * hard-reg-set.h: Likewise.
12730         * ifcvt.c: Likewise.
12731         * ipa-comdats.c: Likewise.
12732         * ipa-cp.c: Likewise.
12733         * ipa-devirt.c: Likewise.
12734         * ipa-fnsummary.c: Likewise.
12735         * ipa-icf.c: Likewise.
12736         * ipa-inline-transform.c: Likewise.
12737         * ipa-inline.c: Likewise.
12738         * ipa-polymorphic-call.c: Likewise.
12739         * ipa-profile.c: Likewise.
12740         * ipa-prop.c: Likewise.
12741         * ipa-pure-const.c: Likewise.
12742         * ipa-reference.c: Likewise.
12743         * ipa-split.c: Likewise.
12744         * ipa-visibility.c: Likewise.
12745         * ipa.c: Likewise.
12746         * ira-build.c: Likewise.
12747         * ira-color.c: Likewise.
12748         * ira-conflicts.c: Likewise.
12749         * ira-costs.c: Likewise.
12750         * ira-int.h: Likewise.
12751         * ira-lives.c: Likewise.
12752         * ira.c: Likewise.
12753         * ira.h: Likewise.
12754         * loop-invariant.c: Likewise.
12755         * loop-unroll.c: Likewise.
12756         * lower-subreg.c: Likewise.
12757         * lra-assigns.c: Likewise.
12758         * lra-constraints.c: Likewise.
12759         * lra-eliminations.c: Likewise.
12760         * lra-lives.c: Likewise.
12761         * lra-remat.c: Likewise.
12762         * lra-spills.c: Likewise.
12763         * lra.c: Likewise.
12764         * lto-cgraph.c: Likewise.
12765         * lto-streamer-out.c: Likewise.
12766         * postreload-gcse.c: Likewise.
12767         * predict.c: Likewise.
12768         * profile-count.h: Likewise.
12769         * profile.c: Likewise.
12770         * recog.c: Likewise.
12771         * ree.c: Likewise.
12772         * reload.c: Likewise.
12773         * reload1.c: Likewise.
12774         * reorg.c: Likewise.
12775         * resource.c: Likewise.
12776         * rtl.def: Likewise.
12777         * rtl.h: Likewise.
12778         * rtlanal.c: Likewise.
12779         * sched-deps.c: Likewise.
12780         * sched-ebb.c: Likewise.
12781         * sched-rgn.c: Likewise.
12782         * sel-sched-ir.c: Likewise.
12783         * sel-sched.c: Likewise.
12784         * shrink-wrap.c: Likewise.
12785         * simplify-rtx.c: Likewise.
12786         * symtab.c: Likewise.
12787         * target.def: Likewise.
12788         * toplev.c: Likewise.
12789         * tree-call-cdce.c: Likewise.
12790         * tree-cfg.c: Likewise.
12791         * tree-complex.c: Likewise.
12792         * tree-core.h: Likewise.
12793         * tree-eh.c: Likewise.
12794         * tree-inline.c: Likewise.
12795         * tree-loop-distribution.c: Likewise.
12796         * tree-nrv.c: Likewise.
12797         * tree-profile.c: Likewise.
12798         * tree-sra.c: Likewise.
12799         * tree-ssa-alias.c: Likewise.
12800         * tree-ssa-dce.c: Likewise.
12801         * tree-ssa-dom.c: Likewise.
12802         * tree-ssa-forwprop.c: Likewise.
12803         * tree-ssa-loop-im.c: Likewise.
12804         * tree-ssa-loop-ivcanon.c: Likewise.
12805         * tree-ssa-loop-ivopts.c: Likewise.
12806         * tree-ssa-loop-niter.c: Likewise.
12807         * tree-ssa-phionlycprop.c: Likewise.
12808         * tree-ssa-phiopt.c: Likewise.
12809         * tree-ssa-propagate.c: Likewise.
12810         * tree-ssa-threadedge.c: Likewise.
12811         * tree-ssa-threadupdate.c: Likewise.
12812         * tree-ssa-uninit.c: Likewise.
12813         * tree-ssanames.c: Likewise.
12814         * tree-streamer-out.c: Likewise.
12815         * tree.c: Likewise.
12816         * tree.h: Likewise.
12817         * vr-values.c: Likewise.
12819 2019-01-09  UroÅ¡ Bizjak  <ubizjak@gmail.com>
12821         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
12822         (ix86_split_xorsign): Ditto.
12823         * config/i386/i386.c (ix86_expand_xorsign): New function.
12824         (ix86_split_xorsign): Ditto.
12825         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
12826         (xorsign<mode>3): New expander.
12827         (xorsign<mode>3_1): New insn_and_split pattern.
12828         * config/i386/sse.md (xorsign<mode>3): New expander.
12830 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12832         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
12833         (*tablejump_sp64): Likewise.
12834         (*tablejump<P:mode>): ...this.
12835         (*call_address_sp32): Merge into...
12836         (*call_address_sp64): Likewise.
12837         (*call_address<P:mode>): ...this.
12838         (*call_symbolic_sp32): Merge into...
12839         (*call_symbolic_sp64): Likewise.
12840         (*call_symbolic<P:mode>): ...this.
12841         (call_value): Remove constraint and add predicate.
12842         (*call_value_address_sp32): Merge into...
12843         (*call_value_address_sp64): Likewise.
12844         (*call_value_address<P:mode>): ...this.
12845         (*call_value_symbolic_sp32): Merge into...
12846         (*call_value_symbolic_sp64): Likewise.
12847         (*call_value_symbolic<P:mode>): ...this.
12848         (*sibcall_symbolic_sp32): Merge into...
12849         (*sibcall_symbolic_sp64): Likewise.
12850         (*sibcall_symbolic<P:mode>): ...this.
12851         (sibcall_value): Remove constraint and add predicate.
12852         (*sibcall_value_symbolic_sp32): Merge into...
12853         (*sibcall_value_symbolic_sp64): Likewise.
12854         (*sibcall_value_symbolic<P:mode>): ...this.
12855         (window_save): Minor tweak.
12856         (*branch_sp32): Merge into...
12857         (*branch_sp64): Likewise.
12858         (*branch<P:mode>): ...this.
12860 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12861             James Clarke  <jrtc27@jrtc27.com>
12863         PR target/84010
12864         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
12865         consistently in TLS address generation and adjust code to the renaming
12866         of patterns.  Mark calls to __tls_get_addr as const.
12867         * config/sparc/sparc.md (tgd_hi22): Turn into...
12868         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
12869         (tgd_lo10): Turn into...
12870         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
12871         (tgd_add32): Merge into...
12872         (tgd_add64): Likewise.
12873         (tgd_add<P:mode>): ...this and use Pmode throughout.
12874         (tldm_hi22): Turn into...
12875         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
12876         (tldm_lo10): Turn into...
12877         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
12878         (tldm_add32): Merge into...
12879         (tldm_add64): Likewise.
12880         (tldm_add<P:mode>): ...this and use Pmode throughout.
12881         (tldm_call32): Merge into...
12882         (tldm_call64): Likewise.
12883         (tldm_call<P:mode>): ...this and use Pmode throughout.
12884         (tldo_hix22): Turn into...
12885         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
12886         (tldo_lox10): Turn into...
12887         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
12888         (tldo_add32): Merge into...
12889         (tldo_add64): Likewise.
12890         (tldo_add<P:mode>): ...this and use Pmode throughout.
12891         (tie_hi22): Turn into...
12892         (tie_hi22<P:mode>): ...this and use Pmode throughout.
12893         (tie_lo10): Turn into...
12894         (tie_lo10<P:mode>): ...this and use Pmode throughout.
12895         (tie_ld64): Use DImode throughout.
12896         (tie_add32): Merge into...
12897         (tie_add64): Likewise.
12898         (tie_add<P:mode>): ...this and use Pmode throughout.
12899         (tle_hix22_sp32): Merge into...
12900         (tle_hix22_sp64): Likewise.
12901         (tle_hix22<P:mode>): ...this and use Pmode throughout.
12902         (tle_lox22_sp32): Merge into...
12903         (tle_lox22_sp64): Likewise.
12904         (tle_lox22<P:mode>): ...this and use Pmode throughout.
12905         (*tldo_ldub_sp32): Merge into...
12906         (*tldo_ldub_sp64): Likewise.
12907         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
12908         (*tldo_ldub1_sp32): Merge into...
12909         (*tldo_ldub1_sp64): Likewise.
12910         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
12911         (*tldo_ldub2_sp32): Merge into...
12912         (*tldo_ldub2_sp64): Likewise.
12913         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
12914         (*tldo_ldsb1_sp32): Merge into...
12915         (*tldo_ldsb1_sp64): Likewise.
12916         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
12917         (*tldo_ldsb2_sp32): Merge into...
12918         (*tldo_ldsb2_sp64): Likewise.
12919         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
12920         (*tldo_ldub3_sp64): Use DImode throughout.
12921         (*tldo_ldsb3_sp64): Likewise.
12922         (*tldo_lduh_sp32): Merge into...
12923         (*tldo_lduh_sp64): Likewise.
12924         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
12925         (*tldo_lduh1_sp32): Merge into...
12926         (*tldo_lduh1_sp64): Likewise.
12927         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
12928         (*tldo_ldsh1_sp32): Merge into...
12929         (*tldo_ldsh1_sp64): Likewise.
12930         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
12931         (*tldo_lduh2_sp64): Use DImode throughout.
12932         (*tldo_ldsh2_sp64): Likewise.
12933         (*tldo_lduw_sp32): Merge into...
12934         (*tldo_lduw_sp64): Likewise.
12935         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
12936         (*tldo_lduw1_sp64): Use DImode throughout.
12937         (*tldo_ldsw1_sp64): Likewise.
12938         (*tldo_ldx_sp64): Likewise.
12939         (*tldo_stb_sp32): Merge into...
12940         (*tldo_stb_sp64): Likewise.
12941         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
12942         (*tldo_sth_sp32): Merge into...
12943         (*tldo_sth_sp64): Likewise.
12944         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
12945         (*tldo_stw_sp32): Merge into...
12946         (*tldo_stw_sp64): Likewise.
12947         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
12948         (*tldo_stx_sp64): Use DImode throughout.
12950 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12952         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
12953         check configure option to set BTI and Return Address Signing.
12954         * configure.ac: Add --enable-standard-branch-protection and
12955         --disable-standard-branch-protection.
12956         * configure: Regenerated.
12957         * doc/install.texi: Document the same.
12959 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12960             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12962         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
12963         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
12964         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
12965         if bti is enabled.
12966         * config/aarch64/aarch64-bti-insert.c: New file.
12967         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
12968         pass.
12969         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
12970         new bti pass.
12971         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
12972         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
12973         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
12974         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
12976 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12978         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
12979         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
12980         Disable bti for -mbranch-protection=none.
12981         (aarch64_handle_standard_branch_protection): Enable bti for
12982         -mbranch-protection=standard.
12983         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
12984         -mbranch-protection.
12985         (aarch64_bti_enabled): Check if bti is enabled.
12986         * config/aarch64/aarch64.opt: Declare target variable.
12987         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
12989 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12991         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
12992         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
12993         (aarch64_expand_epilogue): Likewise.
12994         (aarch64_output_mi_thunk): Likewise
12995         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
12996         TAILCALL_ADDR_REGS to x16 and x17.
12997         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
12999 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
13001         * config/aarch64/aarch64-option-extensions.def: Define
13002         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
13003         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
13004         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
13005         (AARCH64_FL_PREDRES): New.
13006         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
13007         AARCH64_FL_PREDRES by default.
13008         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
13010 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
13012         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
13013         ARMv8.5-A.
13014         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
13015         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
13016         * doc/invoke.texi: Document ARMv8.5-A.
13018 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
13020         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
13021         (xorsign<mode>3): Likewise.
13023 2019-01-09  Jelinek  <jakub@redhat.com>
13025         PR middle-end/88758
13026         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
13027         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
13029         PR rtl-optimization/88331
13030         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
13031         not currently_expanding_to_rtl.
13033 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
13035         * doc/invoke.texi (-Os): Remove trailing spaces.
13036         (-finline-functions): Remove reference to -O2.
13038 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
13040         PR rtl-optimization/79593
13041         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
13043         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
13044         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
13046 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
13048         PR bootstrap/88721
13049         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
13050         to -1 on entry.
13052         PR debug/88723
13053         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
13054         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
13056 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
13058         PR target/88717
13059         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
13060         ix86_avx_u128_mode_entry.
13062 2019-01-08  Martin Liska  <mliska@suse.cz>
13064         PR tree-optimization/88753
13065         * tree-switch-conversion.c (switch_conversion::build_one_array):
13066         Come up with local variable constructor.  Convert first to
13067         type of constructor values.
13069 2019-01-08  Richard Biener  <rguenther@suse.de>
13071         PR tree-optimization/86554
13072         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
13073         rpo_avail): Move earlier.
13074         (visit_nary_op): When value-numbering to expressions
13075         with different overflow behavior make sure there's an
13076         available expression on the path.
13078 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
13080         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
13081         aarch64_parse_branch_protection,
13082         struct aarch64_branch_protect_type,
13083         aarch64_handle_no_branch_protection,
13084         aarch64_handle_standard_branch_protection,
13085         aarch64_validate_mbranch_protection,
13086         aarch64_handle_pac_ret_protection,
13087         aarch64_handle_attr_branch_protection,
13088         accepted_branch_protection_string,
13089         aarch64_pac_ret_subtypes,
13090         aarch64_branch_protect_types,
13091         aarch64_handle_pac_ret_leaf): Define.
13092         (aarch64_override_options_after_change_1, aarch64_override_options):
13093         Add check for accepted_branch_protection_string.
13094         (aarch64_option_save): Save accepted_branch_protection_string.
13095         (aarch64_option_restore): Save accepted_branch_protection_string.
13096         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
13097         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
13098         msign-return-address.
13099         * doc/invoke.texi: Add mbranch-protection.
13101 2019-01-08  Alan Modra  <amodra@gmail.com>
13103         PR target/88614
13104         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
13105         Delete "unknownp" parameter.  Adjust callers.  Handle
13106         CONST_INT, PLUS, MINUS, and MULT.
13107         (attr_value_aligned): Renamed from or_attr_value.
13108         (min_attr_value): Return INT_MIN for unhandled rtl case..
13109         (min_fn): ..and translate to INT_MAX here.
13110         (write_length_unit_log): Modify to cope without "unknown".
13111         (write_attr_value): Handle IF_THEN_ELSE.
13113 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
13115         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
13116         optimization for masked stores.
13118 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
13120         PR middle-end/88567
13121         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
13122         output vector directly to duplicate_and_interleave instead of
13123         going through a temporary.  Postpone insertion of ctor_seq to
13124         the end of the loop.
13126 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
13128         PR target/86891
13129         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
13130         unsigned_p.  Handle signed and unsigned overflow correction as
13131         required.
13132         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
13133         prototype.
13134         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
13135         for operand 2.
13136         (add<mode>3_compareV_imm): Make this callable for expanding.
13137         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
13138         aarch64_plus_operand for operand 2.
13139         (subv<GPI:mode>_insn): New insn pattern.
13140         (subv<GPI:mode>_imm): Likewise.
13141         (negv<GPI:mode>3): New expand pattern.
13142         (negv<GPI:mode>_insn): New insn pattern.
13143         (negv<GPI:mode>_cmp_only): Likewise.
13144         (cmpv<GPI:mode>_insn): Likewise.
13145         (subvti4): Use register_operand for operand 1.  Update call to
13146         aarch64_expand_subvti.
13147         (usubvti4): Likewise.
13148         (negvti3): New expand pattern.
13149         (negdi_carryout): New insn pattern.
13150         (negvdi_carryinV): New insn pattern.
13151         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
13152         version the named version.
13153         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
13154         operands.
13155         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
13156         patterns.
13157         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
13158         patterns.
13159         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
13160         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
13161         (sub<mode>3_carryinCV): Delete.
13162         (sub<GPI:mode>3_carryinV): New expand pattern.
13163         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
13165 2019-01-07  Richard Biener  <rguenther@suse.de>
13167         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
13168         of tree_operand_hash.
13170 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
13172         PR tree-optimization/88598
13173         * tree.h (single_nonzero_element): Declare.
13174         * tree.c (single_nonzero_element): New function.
13175         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
13176         if I is the only nonzero element of CST.
13178 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
13180         PR tree-optimization/88598
13181         * tree.h (initializer_each_zero_or_onep): Declare.
13182         * tree.c (initializer_each_zero_or_onep): New function.
13183         (signed_or_unsigned_type_for): Handle float types too.
13184         (unsigned_type_for, signed_type_for): Update comments accordingly.
13185         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
13186         x & { 0 or -1, 0 or -1, ... }.
13188 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
13190         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
13191         with x86_64-pc-linux-gnu.
13193 2019-01-07  Tom de Vries  <tdevries@suse.de>
13195         PR target/85486
13196         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
13197         function.
13198         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
13199         routines.
13201 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
13203         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
13204         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
13205         TARGET_AVX512F as condition.
13207         PR debug/88723
13208         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
13209         const_not_ok_for_debug_p target hook.
13210         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
13211         on UNSPEC and subexpressions thereof if all subexpressions of the
13212         UNSPEC are CONSTANT_P.
13214         PR tree-optimization/88676
13215         * tree-ssa-phiopt.c (two_value_replacement): New function.
13216         (tree_ssa_phiopt_worker): Call it.
13218         PR sanitizer/88619
13219         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
13220         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
13222         PR c++/85052
13223         * tree-vect-generic.c: Include insn-config.h and recog.h.
13224         (expand_vector_piecewise): Add defaulted ret_type argument,
13225         if non-NULL, use that in preference to type for the result type.
13226         (expand_vector_parallel): Formatting fix.
13227         (do_vec_conversion, do_vec_narrowing_conversion,
13228         expand_vector_conversion): New functions.
13229         (expand_vector_operations_1): Call expand_vector_conversion
13230         for VEC_CONVERT ifn calls.
13231         * internal-fn.def (VEC_CONVERT): New internal function.
13232         * internal-fn.c (expand_VEC_CONVERT): New function.
13233         * fold-const-call.c (fold_const_vec_convert): New function.
13234         (fold_const_call): Use it for CFN_VEC_CONVERT.
13235         * doc/extend.texi (__builtin_convertvector): Document.
13237 2019-01-07  Tom de Vries  <tdevries@suse.de>
13239         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
13240         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
13241         vector_red_partition, vector_red_sym): New global variables.
13242         (nvptx_option_override): Initialize vector_red_sym.
13243         (nvptx_declare_function_name): Restore red_partition register.
13244         (nvptx_file_end): Emit code to declare the vector reduction variables.
13245         (nvptx_output_red_partition): New function.
13246         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
13247         large vector reductions.
13248         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
13249         (nvptx_init_builtins): Add VECTOR_ADDR.
13250         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
13251         Handle nvptx_expand_shared_addr.
13252         (nvptx_get_shared_red_addr): Add vector argument and handle large
13253         vectors.
13254         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
13255         large vectors.
13256         (nvptx_goacc_reduction_init): Likewise.
13257         (nvptx_goacc_reduction_fini): Likewise.
13258         (nvptx_goacc_reduction_teardown): Likewise.
13259         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
13260         init,fini,teardown}.
13261         (nvptx_init_axis_predicate): Initialize vector_red_partition.
13262         (nvptx_set_current_function): Init vector_red_partition.
13263         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
13264         (nvptx_red_partition): New insn.
13265         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
13267 2019-01-07  Tom de Vries  <tdevries@suse.de>
13269         PR target/85381
13270         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
13271         empty loops.
13273 2019-01-07  Tom de Vries  <tdevries@suse.de>
13275         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
13276         (nvptx_option_override): Init oacc_bcast_partition.
13277         (nvptx_init_oacc_workers): New function.
13278         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
13279         (nvptx_needs_shared_bcast): New function.
13280         (nvptx_find_par): Generalize to enable vectors to use shared-memory
13281         to propagate state.
13282         (nvptx_shared_propagate): Initialize vector bcast partition and
13283         synchronization state.
13284         (nvptx_single):  Generalize to enable vectors to use shared-memory
13285         to propagate state.
13286         (nvptx_process_pars): Likewise.
13287         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
13288         * config/nvptx/nvptx.h (struct machine_function): Add
13289         bcast_partition and sync_bar members.
13291 2019-01-07  Tom de Vries  <tdevries@suse.de>
13293         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
13294         (nvptx_apply_dim_limits): New function.
13295         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
13296         PTX_WARP_SIZE.
13298 2019-01-07  Tom de Vries  <tdevries@suse.de>
13300         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
13301         as late as possible.
13303 2019-01-07  Tom de Vries  <tdevries@suse.de>
13305         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
13306         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
13307         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
13308         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
13309         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
13311 2019-01-07  Tom de Vries  <tdevries@suse.de>
13313         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
13315 2019-01-07  Tom de Vries  <tdevries@suse.de>
13317         * omp-offload.c (oacc_get_min_dim): New function.
13318         * omp-offload.h (oacc_get_min_dim): Declare.
13320 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
13322         PR target/88521
13323         * config/i386/i386.c (function_value_ms_64): Return small sturct in
13324         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
13326 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13328         PR tree-opt/86020
13329         Revert:
13330         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13332         * ipa-inline.c (edge_badness): Use inlined_time instead of
13333         inline_summaries->get.
13335 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13337         * opts.c (enable_fdo_optimizations): Enable
13338         version-loops-for-strides, loop-interchange, unrol-and-jam
13339         and tree-loop-distribution.
13340         * invoke.texi: Document newly enabled options.
13342 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13344         * doc/invoke.texi (max-inline-insns-small): New parameters.
13345         * ipa-inline.c (want_early_inline_function_p): simplify.
13346         (want_inline_small_function_p): Fix pasto from previous patch;
13347         use max-inline-insns-small bound.
13348         * params.def (max-inline-insns-small): New param.
13349         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
13350         variables correctly.
13352 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13354         * doc/invoke.texi: Document max-inline-insns-size,
13355         uninlined-function-insns, uninlined-function-time,
13356         uninlined-thunk-insns and uninlined-thunk-time.
13357         * params.def: Add max-inline-insns-size,
13358         uninlined-function-insns, uninlined-function-time,
13359         uninlined-thunk-insns and uninlined-thunk-time.
13360         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
13361         new parameters.
13362         * ipa-inline.c (can_inline_edge_by_limits_p,
13363         want_inline_small_function_p): Use new parameters.
13365 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
13367         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
13369 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
13371         PR middle-end/82564
13372         PR target/88620
13373         * expr.c (expand_assignment): For calls returning VLA structures
13374         if to_rtx is not a MEM, force it into a stack temporary.
13376         PR debug/88635
13377         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
13378         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
13379         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
13380         subexpressions of both operands.
13381         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
13382         subrtxes are CONSTANT_P.
13383         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
13384         2018-11-09 changes.
13386 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
13388         * params.def (hot-bb-count-ws-permille): Set to 990.
13390 2019-01-04  Martin Sebor  <msebor@redhat.com>
13392         PR c/88546
13393         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
13394         leaf.
13396 2019-01-04  Martin Sebor  <msebor@redhat.com>
13398         PR c/88363
13399         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
13401 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
13403         * gdbinit.in: Turn off pagination for the skip commands, restore
13404         it to previous state afterwards.
13406 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
13408         PR target/88594
13409         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
13410         of GET_MODE (opN) as modes of the libcall arguments.
13412 2019-01-04  Jan Beulich  <jbeulich@suse.com>
13414         * config/i386/sse.md
13415         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
13416         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
13417         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
13418         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
13419         avx512f_vmcmp<mode>3<round_saeonly_name>,
13420         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
13421         avx512f_maskcmp<mode>3,
13422         <avx512>_cvt<ssemodesuffix>2mask<mode>,
13423         <avx512>_cvt<ssemodesuffix>2mask<mode>,
13424         *<avx512>_cvtmask2<ssemodesuffix><mode>,
13425         *<avx512>_cvtmask2<ssemodesuffix><mode>,
13426         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
13427         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
13428         <avx512>_gt<mode>3<mask_scalar_merge_name>,
13429         <avx512>_gt<mode>3<mask_scalar_merge_name>,
13430         <avx512>_testm<mode>3<mask_scalar_merge_name>,
13431         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
13432         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
13433         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
13434         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
13435         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
13436         avx512cd_maskb_vec_dup<mode>,
13437         avx512cd_maskw_vec_dup<mode>,
13438         avx512dq_fpclass<mode><mask_scalar_merge_name>,
13439         avx512dq_vmfpclass<mode>,
13440         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
13441         instead of =Yk.
13443 2019-01-03  Martin Sebor  <msebor@redhat.com>
13445         PR tree-optimization/88659
13446         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
13448 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
13450         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
13451         unaligned vsx and avoid lxvd2x/stxvd2x.
13452         (gen_lvx_v4si_move): New function.
13454 2019-01-03  Tom de Vries  <tdevries@suse.de>
13456         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
13457         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
13458         function.
13459         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
13461 2019-01-03  Tom de Vries  <tdevries@suse.de>
13463         * config/nvptx/nvptx.c (struct offload_attrs): New.
13464         (populate_offload_attrs): New function.  Factor mask extraction out of
13465         nvptx_reorg.  Add extraction of dimensions.
13466         (nvptx_reorg): Use populate_offload_attrs.
13468 2019-01-03  Tom de Vries  <tdevries@suse.de>
13470         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
13471         cases for oacc_min_dims_p and routine_p.  Add asserts for
13472         oacc_default_dims_p and offload_region_p.
13474 2019-01-03  Tom de Vries  <tdevries@suse.de>
13476         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
13477         factored out of ...
13478         (nvptx_goacc_validate_dims): ... here.
13480 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
13482         PR tree-optimization/85574
13483         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
13484         structure.
13485         (struct ssa_equip_hash_traits): Declare.
13486         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
13488 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
13490         PR debug/88644
13491         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
13492         change it to qualified_type.
13494 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
13496         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
13497         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
13499 2019-01-02  Martin Sebor  <msebor@redhat.com>
13500             Jeff Law  <law@redhat.com>
13502         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
13503         (get_range_strlen_tree): Update appropriately.
13504         (get_range_strlen)
13505         * gimple-fold.h (get_range_strlen): Drop unused last argument.
13507         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
13508         rather than set_range_info.
13509         * tree-ssa-strlen.c (set_strlen_range): Extracted from
13510         maybe_set_strlen_range.  Handle potentially boundary crossing
13511         cases more conservatively.
13512         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
13513         Call set_strlen_range.
13514         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
13516         PR middle-end/88663
13517         * gimple-fold.c (get_range_strlen): Update prototype to no longer
13518         need the flexp argument.
13519         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
13520         from calls to get_range_strlen.  Update comments.  Just update
13521         VAL for an unterminated const char array and let the reset of the
13522         code handle it normally.  No longer try to set *flexp.  Adjust
13523         return value.
13524         (get_range_strlen): Update for the new get_range_strlen API.
13525         (get_maxval_strlen): Similarly.
13526         (gimple_fold_builtin_strlen): Handle update meaning of return value
13527         from get_range_strlen.
13528         * gimple-ssa-sprintf.c (get_string_length): Update for the new
13529         get_range_strlen API.
13531 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
13533         PR lto/88130
13534         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
13535         false at WPA time when body was removed.
13537 2019-01-02  Martin Liska  <mliska@suse.cz>
13539         PR tree-optimization/88650
13540         * predict.c (set_even_probabilities): Calculate probability
13541         remainer only when really used.
13543 2019-01-02  Richard Biener  <rguenther@suse.de>
13545         PR middle-end/88651
13546         * tree-data-ref.c (analyze_subscript_affine_affine): Use
13547         widest_ints when mangling max_stmt_execution results.
13549 2019-01-02  Richard Biener  <rguenther@suse.de>
13551         PR tree-optimization/88621
13552         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
13553         bitfields when canoncalizing.
13555 2019-01-02  Richard Biener  <rguenther@suse.de>
13557         PR target/87545
13558         * config/i386/x86-tune-costs.h (intel_cost): Adjust
13559         cost of cheap SSE instruction.
13561 2019-01-02  Richard Biener  <rguenther@suse.de>
13563         PR ipa/85574
13564         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
13565         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
13566         function.
13567         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
13568         set after UIDs before splitting them.
13570 2019-01-01  Martin Sebor  <msebor@redhat.com>
13571             Jeff Law  <law@redhat.com>
13573         * gimple-fold.c (get_range_strlen_tree): Record if the computed
13574         length is optimistic.  If it is, then arrange to compute the
13575         conservative length as well.
13577         * gimple-fold.h (get_range_strlen): Update prototype.
13578         * builtins.c (check_access): Update call to get_range_strlen to use
13579         c_strlen_data pointer.   Change various variable accesses to instead
13580         pull data from the c_strlen_data structure.
13581         (check_strncat_sizes, expand_builtin_strncat): Likewise.
13582         * calls.c (maybe_warn_nonstring_arg): Likewise.
13583         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
13584         minimum length if maximum lengh is unknown.
13585         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
13586         that used c_strlen, it's no longer needed.  Restructure slightly.
13587         (format_string): Set unlikely range appropriately.
13588         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
13589         formatting issues.
13590         (get_range_strlen):  Accept c_strlen_data pointer for external
13591         call sites as well.  Pass through to call to internal get_range_strlen.
13592         Adjust minlen, maxlen and maxbound as needed.
13593         (get_maxval_strlen): Update comments.
13594         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
13595         to use c_strlen_data pointer.  Change variable accesses to instead
13596         use c_strlen_data data members.
13598         * gimple-fold.c (get_range_strlen): Update prototype.
13599         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
13600         local variables.  Use pdata to return information to caller.
13601         Update calls to get_range_strlen.  Update pdata->maxbound.
13602         (get_range_strlen -- static version): Similarly.
13603         (get_range_strlen -- extern version): Update for internal
13604         get_range_strlen API change.  Convert to external data format.
13605         (get_maxval_strlen): Similarly.
13607 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
13609         * coverage.c (get_coverage_counts): Use current_function_decl.
13610         * profile.c (read_thunk_profile): New function.
13611         (branch_prob): Add THUNK parameter.
13612         * tree-profile.c (tree_profiling): Handle thunks.
13613         * value-prof.c (init_node_map): Handle thunks.
13614         * value-prof.h (branch_prob): Upate prototype.
13615         (read_thunk_profile): Declare.
13617 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
13619         Update copyright years.
13621         * gcc.c (process_command): Update copyright notice dates.
13622         * gcov-dump.c (print_version): Ditto.
13623         * gcov.c (print_version): Ditto.
13624         * gcov-tool.c (print_version): Ditto.
13625         * gengtype.c (create_file): Ditto.
13626         * doc/cpp.texi: Bump @copying's copyright year.
13627         * doc/cppinternals.texi: Ditto.
13628         * doc/gcc.texi: Ditto.
13629         * doc/gccint.texi: Ditto.
13630         * doc/gcov.texi: Ditto.
13631         * doc/install.texi: Ditto.
13632         * doc/invoke.texi: Ditto.
13634 Copyright (C) 2019 Free Software Foundation, Inc.
13636 Copying and distribution of this file, with or without modification,
13637 are permitted in any medium without royalty provided the copyright
13638 notice and this notice are preserved.