tree-ssa-sccvn.c (copy_reference_ops_from_ref): Adjust TARGET_MEM_REF handling to...
[official-gcc.git] / gcc / ChangeLog
blob77d58451fb20d8b5fa0b38961f29aa518ad333d8
1 2019-07-01  Richard Biener  <rguenther@suse.de>
3         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Adjust
4         TARGET_MEM_REF handling to also handle address-taken ones.
6 2019-07-01  Hongtao Liu  <hongtao.liu@intel.com>
8         * doc/sourcebuild.texi (Effective-Target Keywords, Other
9         hardware attributes): Document avx512vp2intersect.
11 2019-06-30  Uroš Bizjak  <ubizjak@gmail.com>
13         * config/i386/sse.md (ssse3_abs<mode>2): Rename from abs<mode>2.
14         (abs<mode>2): New expander.
15         * config/i386/i386-builtin.def (__builtin_ia32_pabsb):
16         Use CODE_FOR_ssse3_absv8qi2.
17         (__builtin_ia32_pabsw): Use CODE_FOR_ssse3_absv4hi2.
18         (__builtin_ia32_pabsd): Use CODE_FOR_ssse3_absv2si2.
20 2019-06-30  Uroš Bizjak  <ubizjak@gmail.com>
22         * config/i386/i386.md (mmx_isa): Rename x64, x64_noavx and x64_avx
23         to sse, sse_noavx and avx.  Update all uses.
25 2019-06-30  Uroš Bizjak  <ubizjak@gmail.com>
27         * config/i386/mmx.md (sse_movntq): Add "isa" attribute.
28         (*mmx_<plusminus_insn><mode>3): Ditto.
29         (*mmx_mulv4hi3"): Ditto.
30         (*mmx_smulv4hi3_highpart): Ditto.
31         (*mmx_umulv4hi3_highpart): Ditto.
32         (*mmx_pmaddwd): Ditto.
33         (*sse2_umulv1siv1di3): Ditto.
34         (*mmx_<code>v4hi3): Ditto.
35         (*mmx_<code>v8qi3): Ditto.
36         (mmx_ashr<mode>3): Ditto.
37         ("mmx_<shift_insn><mode>3): Ditto.
38         (*mmx_eq<mode>3): Ditto.
39         (mmx_gt<mode>3): Ditto.
40         (mmx_andnot<mode>3): Ditto.
41         (*mmx_<code><mode>3): Ditto.
42         (*mmx_pinsrw): Ditto.
43         (*mmx_pextrw): Ditto.
44         (mmx_pshufw_1): Ditto.
45         (*mmx_uavgv8qi3): Ditto.
46         (*mmx_uavgv4hi3): Ditto.
47         ("mmx_psadbw): Ditto.
48         * config/i386/sse.md (sse_cvtps2pi): Ditto.
49         (sse_cvttps2pi): Ditto.
50         (ssse3_pmaddubsw): Ditto.
51         (*ssse3_pmulhrswv4hi3): Ditto.
52         (ssse3_psign<mode>3): Ditto.
54 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
56         * expr.c (expand_expr_real_1) <BIT_FIELD_REF>: Apply the big-endian
57         adjustment for bit-fields to all aggregate types.
59 2019-06-28   Michael Meissner  <meissner@linux.ibm.com>
61         * config/rs6000/predicates.md (pcrel_address):  Use
62         SYMBOL_REF_LOCAL_P to determine if a label is local.
63         (pcrel_external_address): New predicate.
64         (non_prefixed_mem_operand): Delete, predicate not used.
65         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL_P): Delete, we now use
66         SYMBOL_REF_LOCAL_P to determine if we can use pc-relative
67         addressing.
68         (SYMBOL_REF_PCREL_P): Likewise.
70         PR target/91009
71         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Add non-VSX
72         alternative.
73         (floatsi<mode>2_lfiwax_mem): Add non-VSX alternative.
74         (floatunssi<mode>2_lfiwzx): Add non-VSX alternative.
75         (floatunssi<mode>2_lfiwzx_mem): Add non-VSX alternative.
77 2019-06-28  Iain Sandoe  <iain@sandoe.co.uk>
79         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Remove
80         override on extra_headers.
82 2019-06-28  Iain Sandoe  <iain@sandoe.co.uk>
84         * config/darwin-c.c (pop_field_alignment): Quote #pragma options.
85         * config/darwin-driver.c (darwin_default_min_version): Remove newline
86         from warning.
87         (darwin_driver_init): Likewise.
89 2019-06-28  Jan Beulich  <jbeulich@suse.com>
91         * config/i386/sse.md (vgf2p8affineinvqb_<mode><mask_name>,
92         vgf2p8affineqb_<mode><mask_name>, vgf2p8mulb_<mode><mask_name>):
93         Eliminate redundant alternative.
95 2019-06-28  Jan Beulich  <jbeulich@suse.com>
97         * config/i386/sse.md (vgf2p8affineinvqb_<mode><mask_name>,
98         vgf2p8affineqb_<mode><mask_name>): Drop % constraint modifier.
99         Use vector_operand.
101 2019-06-28  Claudiu Zissulescu  <claziss@synopsys.com>
103         * config/arc/arc.c (arc_rtx_costs): All short instructions are
104         having a lower cost regardless of the speed option.
106 2019-06-28  Jan Beulich  <jbeulich@suse.com>
108         * config/i386/sse.md (sse2_cvtpd2pi, sse2_cvttpd2pi): Use
109         vector_operand plus, on both alternatives, "Bm" constraint.
111 2019-06-28  Dennis Zhang  <dennis.zhang@arm.com>
113         * config/arm/arm.md: Remove redundant constraints from
114         define_expand but leave reload_inm and reload_outm patterns
115         untouched since they need special constraints to work.
116         * config/arm/arm-fixed.md: Remove redundant constraints from
117         define_expand.
118         * config/arm/iwmmxt.md: Likewise.
119         * config/arm/neon.md: Likewise.
120         * config/arm/sync.md: Likewise.
121         * config/arm/thumb1.md: Likewise.
122         * config/arm/vec-common.md: Likewise.
124 2019-06-27  Ilia Diachkov  <ilia.diachkov@optimitech.com>
126         * doc/install.texi: Document --disable-tm-clone-registry.
128 2019-06-27  Jakub Jelinek  <jakub@redhat.com>
130         PR c++/91024
131         * gimplify.c (collect_fallthrough_labels): Ignore GIMPLE_PREDICT
132         statements.
134         PR tree-optimization/91010
135         * tree-vect-stmts.c (scan_operand_equal_p): If offset1 == offset2,
136         return true.  Otherwise, don't call operand_equal_p if offset1 or
137         offset2 is NULL and just return false.
139 2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>
141         * config/rs6000/rs6000.c (darwin_rs6000_override_options): Honour
142         user-specified float mode choice for kernel mode code.
144 2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>
146         * config/rs6000/darwin.h (ENDFILE_SPEC): Correct whitespace in the
147         spec.
149 2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>
151         * config/rs6000/rs6000.c (darwin_rs6000_override_options): Do not
152         use longcall for 64b code.
154 2019-06-27  Aaron Sawdey <acsawdey@linux.ibm.com>
156         * builtins.c (get_memory_rtx): Fix comment.
157         * optabs.def (movmem_optab): Change to cpymem_optab.
158         * expr.c (emit_block_move_via_cpymem): Change movmem to cpymem.
159         (emit_block_move_hints): Change movmem to cpymem.
160         * defaults.h: Change movmem to cpymem.
161         * targhooks.c (get_move_ratio): Change movmem to cpymem.
162         (default_use_by_pieces_infrastructure_p): Ditto.
163         * config/aarch64/aarch64-protos.h: Change movmem to cpymem.
164         * config/aarch64/aarch64.c (aarch64_expand_movmem): Change movmem
165         to cpymem.
166         * config/aarch64/aarch64.h: Change movmem to cpymem.
167         * config/aarch64/aarch64.md (movmemdi): Change name to cpymemdi.
168         * config/alpha/alpha.h: Change movmem to cpymem in comment.
169         * config/alpha/alpha.md (movmemqi, movmemdi, *movmemdi_1): Change
170         movmem to cpymem.
171         * config/arc/arc-protos.h: Change movmem to cpymem.
172         * config/arc/arc.c (arc_expand_movmem): Change movmem to cpymem.
173         * config/arc/arc.h: Change movmem to cpymem in comment.
174         * config/arc/arc.md (movmemsi): Change movmem to cpymem.
175         * config/arm/arm-protos.h: Change movmem to cpymem in names.
176         * config/arm/arm.c (arm_movmemqi_unaligned, arm_gen_movmemqi, 
177         gen_movmem_ldrd_strd, thumb_expand_movmemqi) Change movmem to cpymem.
178         * config/arm/arm.md (movmemqi): Change movmem to cpymem.
179         * config/arm/thumb1.md (movmem12b, movmem8b): Change movmem to cpymem.
180         * config/avr/avr-protos.h: Change movmem to cpymem.
181         * config/avr/avr.c (avr_adjust_insn_length, avr_emit_movmemhi,
182         avr_out_movmem): Change movmem to cpymem.
183         * config/avr/avr.md (movmemhi, movmem_<mode>, movmemx_<mode>):
184         Change movmem to cpymem.
185         * config/bfin/bfin-protos.h: Change movmem to cpymem.
186         * config/bfin/bfin.c (single_move_for_movmem, bfin_expand_movmem):
187         Change movmem to cpymem.
188         * config/bfin/bfin.h: Change movmem to cpymem in comment.
189         * config/bfin/bfin.md (movmemsi): Change name to cpymemsi.
190         * config/c6x/c6x-protos.h: Change movmem to cpymem.
191         * config/c6x/c6x.c (c6x_expand_movmem): Change movmem to cpymem.
192         * config/c6x/c6x.md (movmemsi): Change name to cpymemsi.
193         * config/frv/frv.md (movmemsi): Change name to cpymemsi.
194         * config/ft32/ft32.md (movmemsi): Change name to cpymemsi.
195         * config/h8300/h8300.md (movmemsi): Change name to cpymemsi.
196         * config/i386/i386-expand.c (expand_set_or_movmem_via_loop,
197         expand_set_or_movmem_via_rep, expand_movmem_epilogue,
198         expand_setmem_epilogue_via_loop, expand_set_or_cpymem_prologue,
199         expand_small_cpymem_or_setmem,
200         expand_set_or_cpymem_prologue_epilogue_by_misaligned_moves,
201         expand_set_or_cpymem_constant_prologue, 
202         ix86_expand_set_or_cpymem): Change movmem to cpymem.
203         * config/i386/i386-protos.h: Change movmem to cpymem.
204         * config/i386/i386.h: Change movmem to cpymem in comment.
205         * config/i386/i386.md (movmem<mode>): Change name to cpymem.
206         (setmem<mode>): Change expansion function name.
207         * config/lm32/lm32.md (movmemsi): Change name to cpymemsi.
208         * config/m32c/blkmov.md (movmemhi, movmemhi_bhi_op, movmemhi_bpsi_op,
209         movmemhi_whi_op, movmemhi_wpsi_op): Change movmem to cpymem.
210         * config/m32c/m32c-protos.h: Change movmem to cpymem.
211         * config/m32c/m32c.c (m32c_expand_movmemhi): Change movmem to cpymem.
212         * config/m32r/m32r.c (m32r_expand_block_move): Change movmem to cpymem.
213         * config/m32r/m32r.md (movmemsi, movmemsi_internal): Change movmem
214         to cpymem.
215         * config/mcore/mcore.md (movmemsi): Change name to cpymemsi.
216         * config/microblaze/microblaze.c: Change movmem to cpymem in comment.
217         * config/microblaze/microblaze.md (movmemsi): Change name to cpymemsi.
218         * config/mips/mips.c (mips_use_by_pieces_infrastructure_p):
219         Change movmem to cpymem.
220         * config/mips/mips.h: Change movmem to cpymem.
221         * config/mips/mips.md (movmemsi): Change name to cpymemsi.
222         * config/nds32/nds32-memory-manipulation.c
223         (nds32_expand_movmemsi_loop_unknown_size,
224         nds32_expand_movmemsi_loop_known_size, nds32_expand_movmemsi_loop,
225         nds32_expand_movmemsi_unroll,
226         nds32_expand_movmemsi): Change movmem to cpymem.
227         * config/nds32/nds32-multiple.md (movmemsi): Change name to cpymemsi.
228         * config/nds32/nds32-protos.h: Change movmem to cpymem.
229         * config/pa/pa.c (compute_movmem_length): Change movmem to cpymem.
230         (pa_adjust_insn_length): Change call to compute_movmem_length.
231         * config/pa/pa.md (movmemsi, movmemsi_prereload, movmemsi_postreload,
232         movmemdi, movmemdi_prereload, 
233         movmemdi_postreload): Change movmem to cpymem.
234         * config/pdp11/pdp11.md (movmemhi, movmemhi1, 
235         movmemhi_nocc, UNSPEC_MOVMEM): Change movmem to cpymem.
236         * config/riscv/riscv.c: Change movmem to cpymem in comment.
237         * config/riscv/riscv.h: Change movmem to cpymem.
238         * config/riscv/riscv.md: (movmemsi) Change name to cpymemsi.
239         * config/rs6000/rs6000.md: (movmemsi) Change name to cpymemsi.
240         * config/rx/rx.md: (UNSPEC_MOVMEM, movmemsi, rx_movmem): Change
241         movmem to cpymem.
242         * config/s390/s390-protos.h: Change movmem to cpymem.
243         * config/s390/s390.c (s390_expand_movmem, s390_expand_setmem,
244         s390_expand_insv): Change movmem to cpymem.
245         * config/s390/s390.md (movmem<mode>, movmem_short, *movmem_short,
246         movmem_long, *movmem_long, *movmem_long_31z): Change movmem to cpymem.
247         * config/sh/sh.md (movmemsi): Change name to cpymemsi.
248         * config/sparc/sparc.h: Change movmem to cpymem in comment.
249         * config/vax/vax-protos.h (vax_output_movmemsi): Remove prototype
250         for nonexistent function.
251         * config/vax/vax.h: Change movmem to cpymem in comment.
252         * config/vax/vax.md (movmemhi, movmemhi1): Change movmem to cpymem.
253         * config/visium/visium.h: Change movmem to cpymem in comment.
254         * config/visium/visium.md (movmemsi): Change name to cpymemsi.
255         * config/xtensa/xtensa.md (movmemsi): Change name to cpymemsi.
256         * doc/md.texi: Change movmem to cpymem and update description to match.
257         * doc/rtl.texi: Change movmem to cpymem.
258         * target.def (use_by_pieces_infrastructure_p): Change movmem to cpymem.
259         * doc/tm.texi: Regenerate.
261 2019-06-27  Bill Schmidt  <wschmidt@linux.ibm.com>
263         * config/rs6000/rs6000.c (rs6000_option_override_internal): Enable
264         -fvariable-expansion-in-unroller by default.
265         * doc/invoke.texi (-fvariable-expansion-in-unroller): Document new
266         default for Power.
268 2019-06-27  David Edelsohn  <dje.gcc@gmail.com>
270         Revert
271         2019-06-26  David Edelsohn  <dje.gcc@gmail.com>
272         * config.gcc (powerpc-ibm-aix*): Define target_gtfiles.
274         * config.gcc(rs6000-*-*): Define target_gtfiles.
276 2019-06-27  Jan Hubicka  <jh@suse.cz>
278         * ipa-devirt.c (odr_type_d): Add tbaa_enabled flag.
279         (add_type_duplicate): When odr hash is not allocated, to nothing.
280         (odr_based_tbaa_p): New function.
281         (set_type_canonical_for_odr_type): New function.
282         * ipa-utils.h (enable_odr_based_tbaa, odr_based_tbaa_p,
283         set_type_canonical_for_odr_type): New.
284         * tree.c (gimple_canonical_types_compatible_p): ODR types with
285         ODR based TBAA are not equivalent to non-ODR types.
287 2019-06-27  Martin Liska  <mliska@suse.cz>
289         PR tree-optimization/90974
290         PR rtl-optimization/90975
291         PR rtl-optimization/90976
292         PR target/91016
293         PR tree-optimization/91017
294         * config/i386/i386-expand.c (ix86_expand_rounddf_32): Remove
295         unused tmp.
296         * lra.c (lra_set_insn_recog_data): Remove a leftover from
297         initial commit of IRA.
298         * optabs.c (expand_twoval_binop): Use xop0 and xop1 instead
299         of op0 and op1.
300         * tree-vect-loop.c (vect_create_epilog_for_reduction):
301         Remove unused mode1.
302         * tree-vect-stmts.c (vectorizable_call): Remove dead assignment
303         to new_stmt_info.
305 2019-06-27  Jakub Jelinek  <jakub@redhat.com>
307         PR target/90991
308         * config/i386/sse.md (avx_vec_concat<mode>): Use nonimmediate_operand
309         instead of register_operand for operands[1], add m to its constraints
310         if operands[2] uses "C" constraint.  Ensure in condition that if
311         operands[2] is not 0, then operands[1] is not a MEM.  For last two
312         alternatives, use unaligned loads instead of aligned if operands[1] is
313         misaligned_operand.
315 2019-06-27  Martin Liska  <mliska@suse.cz>
317         * asan.c (asan_emit_allocas_unpoison): Remove obviously
318         dead assignments.
319         * bt-load.c (move_btr_def): Likewise.
320         * builtins.c (expand_builtin_apply_args_1): Likewise.
321         (expand_builtin_apply): Likewise.
322         * cfgexpand.c (expand_asm_stmt): Likewise.
323         (construct_init_block): Likewise.
324         * cfghooks.c (verify_flow_info): Likewise.
325         * cfgloopmanip.c (remove_path): Likewise.
326         * cfgrtl.c (rtl_verify_bb_layout): Likewise.
327         * cgraph.c (cgraph_node::set_pure_flag): Likewise.
328         * combine.c (simplify_if_then_else): Likewise.
329         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
330         (choose_basereg): Likewise.
331         (ix86_expand_prologue): Likewise.
332         (ix86_preferred_output_reload_class): Likewise.
333         * cselib.c (cselib_record_sets): Likewise.
334         * df-scan.c (df_scan_alloc): Likewise.
335         * dojump.c (do_jump_by_parts_greater_rtx): Likewise.
336         * early-remat.c (early_remat::record_equiv_candidates): Likewise.
337         * emit-rtl.c (try_split): Likewise.
338         * graphite-scop-detection.c (assign_parameter_index_in_region): Likewise.
339         * ipa-cp.c (cgraph_edge_brings_all_agg_vals_for_node): Likewise.
340         * ira-color.c (setup_profitable_hard_regs): Likewise.
341         * ira.c (rtx_moveable_p): Likewise.
342         * lra-eliminations.c (eliminate_regs_in_insn): Likewise.
343         * read-rtl.c (read_subst_mapping): Likewise.
344         * regrename.c (scan_rtx): Likewise.
345         * reorg.c (fill_slots_from_thread): Likewise.
346         * tree-inline.c (tree_function_versioning): Likewise.
347         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
348         * tree-ssa-sink.c (statement_sink_location): Likewise.
349         * tree-ssa-threadedge.c (thread_across_edge): Likewise.
350         * tree-vect-loop.c (vect_get_loop_niters): Likewise.
351         (vect_create_epilog_for_reduction): Likewise.
352         * tree.c (build_nonstandard_integer_type): Likewise.
354 2019-06-27  Richard Biener  <rguenther@suse.de>
356         * tree-ssa-sccvn.c (vn_reference_lookup_3): Encode valueized RHS.
358 2019-06-27  Jun Ma <JunMa@linux.alibaba.com>
360         PR tree-optimization/89772
361         * gimple-fold.c (gimple_fold_builtin_memchr): consider trailing nuls in
362         out-of-bound accesses checking.
364 2019-06-27  Martin Liska  <mliska@suse.cz>
366         PR tree-optimization/91014
367         * tree-ssa-dse.c (initialize_ao_ref_for_dse): Bail out
368         when LHS is NULL_TREE.
370 2019-06-27  Martin Liska  <mliska@suse.cz>
372         * symbol-summary.h (traverse): Pass
373         argument a to the call of callback.
374         (gt_ggc_mx): Mark arguments as unused.
375         (gt_pch_nx): Likewise.
377 2019-06-27  Kewen Lin  <linkw@gcc.gnu.org>
379         PR target/62147
380         * gcc/loop-iv.c (find_simple_exit): Call finite_loop_p to update
381         finiteness.
383 2019-06-26  Jeff Law  <law@redhat.com>
385         PR tree-optimization/90883
386         * tree-ssa-dse.c (delete_dead_or_redundant_call): Fix signature.
387         (delete_dead_or_redundant_assignment): Likewise.
389         PR tree-optimization/90883
390         * tree-ssa-alias.c (stmt_kills_ref_p): Handle BUILT_IN_CALLOC.
391         * tree-ssa-dse.c: Update various comments to distinguish between
392         dead and redundant stores.
393         (initialize_ao_ref_for_dse): Handle BUILT_IN_CALLOC.
394         (dse_optimize_redundant_stores): New function.
395         (delete_dead_or_redundant_call): Renamed from delete_dead_call.
396         Distinguish between dead and redundant calls in dump output.  All
397         callers updated.
398         (delete_dead_or_redundant_assignment): Similarly for assignments.
399         (dse_optimize_stmt): Handle _CHK variants.  For statements which
400         store 0 into multiple memory locations, try to prove a subsequent
401         store is redundant.
403 2019-06-26  Uroš Bizjak  <ubizjak@gmail.com>
405         PR target/89021
406         * config/i386/i386.c (ix86_autovectorize_vector_sizes):
407         Autovectorize 8-byte vectors for TARGET_MMX_WITH_SSE.
409 2019-06-26  Iain Sandoe  <iain@sandoe.co.uk>
411         * config/rs6000/rs6000-internal.h (branch_island): New typedef.
412         (branch_islands): New extern.
413         * config/rs6000/rs6000-logue.c (macho_branch_islands): Moved from
414         * config/rs6000/rs6000.c: .. here.
416 2019-06-26  Iain Sandoe  <iain@sandoe.co.uk>
418         * config.gcc (powerpc*-*-linux*): Move target_gtfiles from here..
419         (powerpc*-*-*) ... to here.
421 2019-06-26  Jeff Law  <law@redhat.com>
423         * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle _chk variants of
424         memcpy, memmove and memset builtins.
425         (maybe_trim_memstar_call): Likewise.
427 2019-06-26  David Edelsohn  <dje.gcc@gmail.com>
429         * config/rs6000/rs6000-logue.c: Add #ifndef TARGET_PROFILE_KERNEL.
431 2019-06-26  David Edelsohn  <dje.gcc@gmail.com>
433         * config.gcc (powerpc-ibm-aix*): Define target_gtfiles.
435 2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
437         * config/rs6000/rs6000-internal.h (rs6000_keep_leaf_when_profiled): New
438         declaration.
439         * config/rs6000/rs6000-logue.c (rs6000_keep_leaf_when_profiled): Remove
440         "static".
441         * config/rs6000/rs6000-logue.c (rs6000_keep_leaf_when_profiled): Delete
442         declaration.
444 2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
446         * config/rs6000/rs6000.c: Fix previous commit, it missed some changes.
448 2019-06-26  Richard Biener  <rguenther@suse.de>
450         PR ipa/90982
451         * tree-inline.c (remap_ssa_name): Copy SSA range info.
453 2019-06-26  Richard Biener  <rguenther@suse.de>
455         * lto-streamer.h (lto_bitmap_alloc): Remove.
456         (lto_bitmap_free): Likewise.
457         * lto-streamer.c (lto_bitmap_alloc): Remove.
458         (lto_bitmap_free): Likewise.
459         (lto_obstack): Likewise.
460         (lto_obstack_initialized): Likewise.
461         * lto-streamer-out.c (lto_output): Use own obstack for local
462         bitmap, free it consistently.
464 2019-06-26  Jakub Jelinek  <jakub@redhat.com>
466         PR target/90991
467         * config/i386/sse.md
468         (*<extract_type>_vinsert<shuffletype><extract_suf>_0): Use vmovupd,
469         vmovups, vmovdqu, vmovdqu32 or vmovdqu64 instead of the aligned
470         insns if operands[2] is misaligned_operand.
472 2019-06-26  Li Jia He  <helijia@linux.ibm.com>
474         * config/rs6000/rs6000.h (TARGET_MADDLD): Remove the restriction of
475         TARGET_POWERPC64.
476         * config/rs6000/rs6000.md (maddld): Change maddld match_operand from DI
477         to GPR.
479 2019-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
481         * doc/invoke.texi (Warning Options): Fix some @opindex syntax.
483 2019-06-26  Martin Liska  <mliska@suse.cz>
485         PR tree-optimization/90973
486         * tree-vect-loop.c (vect_get_known_peeling_cost): Use
487         epilogue_cost_vec instead of prologue_cost_vec for
488         a epilogue cost.
490 2019-06-26  Martin Liska  <mliska@suse.cz>
492         * bb-reorder.c (connect_better_edge_p): Add missing else
493         statement in the middle of if-else statements.
495 /home/marxin/Programming/gcc/gcc/bb-reorder.c:1031:2: warning: Value stored to 'is_better_edge' is never read
496         is_better_edge = true;
497         ^                ~~~~
498 /home/marxin/Programming/gcc/gcc/bb-reorder.c:1034:2: warning: Value stored to 'is_better_edge' is never read
499         is_better_edge = false;
500         ^                ~~~~~
502 2019-06-25  Hongtao Liu  <hongtao.liu@intel.com>
503             H.J. Lu  <hongjiu.lu@intel.com>
504             Olga Makhotina  <olga.makhotina@intel.com>
506         * common/config/i386/i386-common.c
507         (OPTION_MASK_ISA_AVX512VP2INTERSECT_SET,
508         OPTION_MASK_ISA_AVX512VP2INTERSECT_UNSET): New macros.
509         (OPTION_MASK_ISA2_AVX512F_UNSET): Add
510         OPTION_MASK_ISA_AVX512VP2INTERSECT_UNSET.
511         (ix86_handle_option): Handle -mavx512vp2intersect.
512         * config/i386/avx512vp2intersectintrin.h: New.
513         * config/i386/avx512vp2intersectvlintrin.h: New.
514         * config/i386/cpuid.h (bit_AVX512VP2INTERSECT): New.
515         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
516         AVX512VP2INTERSECT.
517         * config/i386/i386-builtin-types.def: Add new types.
518         * config/i386/i386-builtin.def: Add new builtins.
519         * config/i386/i386-builtins.c: (enum processor_features): Add
520         F_AVX512VP2INTERSECT.
521         (static const _isa_names_table isa_names_table): Ditto.
522         * config/i386/i386-c.c (ix86_target_macros_internal): Define
523         __AVX512VP2INTERSECT__.
524         * config/i386/i386-expand.c (ix86_expand_builtin): Expand
525         IX86_BUILTIN_2INTERSECTD512, IX86_BUILTIN_2INTERSECTQ512,
526         IX86_BUILTIN_2INTERSECTD256, IX86_BUILTIN_2INTERSECTQ256,
527         IX86_BUILTIN_2INTERSECTD128, IX86_BUILTIN_2INTERSECTQ128.
528         * config/i386/i386-modes.def (P2QI, P2HI): New modes.
529         * config/i386/i386-options.c (ix86_target_string): Add
530         -mavx512vp2intersect.
531         (ix86_option_override_internal): Handle AVX512VP2INTERSECT.
532         * config/i386/i386.c (ix86_hard_regno_nregs): Allocate two regs for
533         P2HImode and P2QImode.
534         (ix86_hard_regno_mode_ok): Register pair only starts at even hardreg
535         number for P2QImode and P2HImode.
536         (ix86_regmode_natural_size): New function.
537         * config/i386/i386.h (TARGET_AVX512VP2INTERSECT,
538         TARGET_AVX512VP2INTERSECT_P, PTA_AVX512VP2INTERSECT
539         REGMODE_NATURAL_SIZE, MASK_PAIR_REGNO_P): New.
540         * config/i386/i386-protos.h (ix86_regmode_natural_size): Declare
541         * config/i386/i386.opt: Add -mavx512vp2intersect.
542         * config/i386/immintrin.h: Include avx512vp2intersectintrin.h and
543         avx512vp2intersectvlintrin.h.
544         * config/i386/sse.md (define_c_enum "unspec"): Add UNSPEC_VP2INTERSECT.
545         (define_mode_iterator VI48_AVX512VP2VL): New.
546         (avx512vp2intersect_2intersect<mode>,
547         avx512vp2intersect_2intersectv16si): New define_insn patterns.
548         * config.gcc: Add avx512vp2intersectvlintrin.h and
549         avx512vp2intersectintrin.h to extra_headers.
550         * doc/invoke.texi: Document -mavx512vp2intersect.
552 2019-06-25  Iain Sandoe  <iain@sandoe.co.uk>
554         * config/rs6000/darwin.h (ENDFILE_SPEC): New.
556 2019-06-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
558         * config/rs6000/rs6000.c (stack_info, rs6000_pic_labelno,
559         savres_routine_syms, savres_routine_name, morestack_ref,
560         rs6000_init_machine_status, save_reg_p, first_reg_to_save,
561         first_fp_reg_to_save, first_altivec_reg_to_save, compute_vrsave_mask,
562         compute_save_world_info, is_altivec_return_reg, fixed_reg_p,
563         rs6000_savres_strategy, rs6000_stack_info, debug_stack_info,
564         rs6000_return_addr, rs6000_decl_ok_for_sibcall,
565         rs6000_function_ok_for_sibcall, rs6000_ra_ever_killed,
566         rs6000_emit_load_toc_table, rs6000_emit_eh_reg_restore, uses_TOC,
567         create_TOC_reference, rs6000_aix_asm_output_dwarf_table_ref,
568         rs6000_emit_stack_tie, rs6000_emit_allocate_stack_1,
569         get_stack_clash_protection_probe_interval,
570         get_stack_clash_protection_guard_size,
571         rs6000_emit_probe_stack_range_stack_clash, rs6000_emit_allocate_stack,
572         rs6000_emit_probe_stack_range, output_probe_stack_range_1,
573         interesting_frame_related_regno, output_probe_stack_range_stack_clash,
574         output_probe_stack_range, rs6000_frame_related, generate_set_vrsave,
575         gen_frame_set, gen_frame_load, gen_frame_store, emit_frame_save,
576         gen_frame_mem_offset, rs6000_savres_routine_name,
577         rs6000_savres_routine_sym, rs6000_emit_stack_reset,
578         ptr_regno_for_savres, rs6000_emit_savres_rtx,
579         rs6000_emit_prologue_move_from_cr, split_stack_arg_pointer_used_p,
580         rs6000_global_entry_point_prologue_needed_p,
581         rs6000_get_separate_components, rs6000_components_for_bb,
582         rs6000_disqualify_components, rs6000_emit_prologue_components,
583         rs6000_emit_epilogue_components, rs6000_set_handled_components,
584         emit_vrsave_prologue, emit_split_stack_prologue, rs6000_emit_prologue,
585         rs6000_output_savres_externs, rs6000_output_function_prologue,
586         rs6000_keep_leaf_when_profiled, load_cr_save, restore_saved_cr,
587         load_lr_save, restore_saved_lr, add_crlr_cfa_restore,
588         offset_below_red_zone_p, emit_cfa_restores, rs6000_emit_epilogue,
589         rs6000_output_function_epilogue, gen_add3_const,
590         rs6000_expand_split_stack_prologue, rs6000_live_on_entry,
591         rs6000_split_stack_space_check, rs6000_save_toc_in_prologue_p): Moved
592         to rs6000-logue.c.
593         (machine_function): Moved to rs6000.h.
594         (rs6000_stack_t, ALTIVEC_REG_BIT, quad_address_offset_p) Moved to
595         rs6000-internal.h.
596         * config/rs6000/rs6000-logue.c(stack_info, rs6000_pic_labelno,
597         savres_routine_syms, savres_routine_name, morestack_ref,
598         rs6000_init_machine_status, save_reg_p, first_reg_to_save,
599         first_fp_reg_to_save, first_altivec_reg_to_save, compute_vrsave_mask,
600         compute_save_world_info, is_altivec_return_reg, fixed_reg_p,
601         rs6000_savres_strategy, rs6000_stack_info, debug_stack_info,
602         rs6000_return_addr, rs6000_decl_ok_for_sibcall,
603         rs6000_function_ok_for_sibcall, rs6000_ra_ever_killed,
604         rs6000_emit_load_toc_table, rs6000_emit_eh_reg_restore, uses_TOC,
605         create_TOC_reference, rs6000_aix_asm_output_dwarf_table_ref,
606         rs6000_emit_stack_tie, rs6000_emit_allocate_stack_1,
607         get_stack_clash_protection_probe_interval,
608         get_stack_clash_protection_guard_size,
609         rs6000_emit_probe_stack_range_stack_clash, rs6000_emit_allocate_stack,
610         rs6000_emit_probe_stack_range, output_probe_stack_range_1,
611         interesting_frame_related_regno, output_probe_stack_range_stack_clash,
612         output_probe_stack_range, rs6000_frame_related, generate_set_vrsave,
613         gen_frame_set, gen_frame_load, gen_frame_store, emit_frame_save,
614         gen_frame_mem_offset, rs6000_savres_routine_name,
615         rs6000_savres_routine_sym, rs6000_emit_stack_reset,
616         ptr_regno_for_savres, rs6000_emit_savres_rtx,
617         rs6000_emit_prologue_move_from_cr, split_stack_arg_pointer_used_p,
618         rs6000_global_entry_point_prologue_needed_p,
619         rs6000_get_separate_components, rs6000_components_for_bb,
620         rs6000_disqualify_components, rs6000_emit_prologue_components,
621         rs6000_emit_epilogue_components, rs6000_set_handled_components,
622         emit_vrsave_prologue, emit_split_stack_prologue, rs6000_emit_prologue,
623         rs6000_output_savres_externs, rs6000_output_function_prologue,
624         rs6000_keep_leaf_when_profiled, load_cr_save, restore_saved_cr,
625         load_lr_save, restore_saved_lr, add_crlr_cfa_restore,
626         offset_below_red_zone_p, emit_cfa_restores, rs6000_emit_epilogue,
627         rs6000_output_function_epilogue, gen_add3_const,
628         rs6000_expand_split_stack_prologue, rs6000_live_on_entry,
629         rs6000_split_stack_space_check, rs6000_save_toc_in_prologue_p): Moved
630         to here from rs6000.c.
631         * config/rs6000/rs6000.h (machine_function): Moved to here from rs6000.c.
632         * config/rs6000/rs6000-internal.h: (rs6000_stack_t, ALTIVEC_REG_BIT,
633         quad_address_offset_p) Moved to here from rs6000.c.
634         * config/rs6000/t-rs6000: Add new source file rs6000-logue.c.
635         * config/config.gcc: Add new source file rs6000-logue.c to garbage
636         collector.
638 2019-06-25  Martin Liska  <mliska@suse.cz>
640         * hash-table.c (hashtab_chk_error): Move here from ...
641         * hash-table.h (hashtab_chk_error): ... here.
643 2019-06-25  Martin Liska  <mliska@suse.cz>
645         PR tree-optimization/90978
646         * df-scan.c (df_update_entry_block_defs): Remove dead else
647         branch.
648         (df_update_exit_block_uses): Likewise.
650 2019-06-25  Kwok Cheung Yeung  <kcy@codesourcery.com>
651             Andrew Stubbs  <ams@codesourcery.com>
653         * config.gcc (thread_file): Set to gcn for AMD GCN.
654         * config/gcn/gcn.c (gcn_emutls_var_init): New function.
655         (TARGET_EMUTLS_VAR_INIT): New hook.
657 2019-06-25  Martin Jambor  <mjambor@suse.cz>
659         PR ipa/90939
660         * ipa-cp.c (ipcp_bits_lattice::meet_with): Remove assert.
662 2019-06-25  Richard Biener  <rguenther@suse.de>
664         PR tree-optimization/90930
665         * tree-ssa-reassoc.c (reassociate_bb): Only rewrite expression
666         into parallel form in the last pass instance.
668 2019-06-25  Claudiu Zissulescu  <claziss@synopsys.com>
670         * config/arc/arc.c (arc_symbol_binds_local_p): New function.
671         (arc_legitimize_pic_address): Simplify and cleanup the function.
672         (SYMBOLIC_CONST): Remove.
673         (prepare_pic_move): Likewise.
674         (prepare_move_operands): Handle complex mov cases here.
675         (arc_legitimize_address_0): Remove call to
676         arc_legitimize_pic_address.
677         (arc_legitimize_address): Remove call to
678         arc_legitimize_tls_address.
679         * config/arc/arc.md (movqi_insn): Allow Cm3 match.
680         (movhi_insn): Likewise.
682 2019-06-25  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
684         * gcc/c-family/c-common.c (c_common_nodes_and_builtins): Define
685         alternate "__intN__" name for "__intN" types.
686         * gcc/c/c-parser.c (c_parse_init): Create keyword for "__intN__" type.
687         * gcc/cp/lex.c (init_reswords): Likewise.
688         * gcc/config/msp430/msp430.h: Use __int20__ for SIZE_TYPE and
689         PTRDIFF_TYPE.
690         * gcc/cp/cp-tree.h (cp_decl_specifier_seq): New bitfield "int_n_alt".
691         * gcc/c/c-decl.c (declspecs_add_type): Don't pedwarn about "__intN" ISO
692         C incompatibility if alternate "__intN__" form is used.
693         * gcc/cp/decl.c (grokdeclarator): Likewise.
694         * gcc/cp/parser.c (cp_parser_simple_type_specifier): Set
695         decl_specs->int_n_alt if "__intN__" form is used.
696         * gcc/gimple-ssa-sprintf.c (build_intmax_type_nodes): Accept "__intN__"
697         format of "__intN" types for UINTMAX_TYPE.
698         * gcc/brig/brig-lang.c (brig_build_c_type_nodes): Accept "__intN__"
699         format of "__intN" types for SIZE_TYPE.
700         * gcc/lto/lto-lang.c (lto_build_c_type_nodes): Likewise.
701         * gcc/stor-layout.c (initialize_sizetypes): Accept "__intN__"
702         format of "__intN" types for SIZETYPE.
703         * gcc/tree.c (build_common_tree_nodes): Accept "__intN__"
704         format of "__intN" types for SIZE_TYPE and PTRDIFF_TYPE.
705         * gcc/doc/invoke.texi: Document that __intN__ disables pedantic
706         warnings.
708 2019-06-25  Jan Hubicka  <jh@suse.cz>
710         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Check that
711         base2_alias_set is non-zero before doing TBAA based disambiguation.
713 2019-06-25  Martin Liska  <mliska@suse.cz>
715         PR tree-optimization/90973
716         * tree-vect-loop.c (vect_get_known_peeling_cost): Sum retval
717         of prologue and epilogue.
719 2019-06-24  Jan Hubicka  <jh@suse.cz>
721         * ipa-utils.h (type_with_linkage_p): Verify that type is
722         CXX_ODR_P.
723         (odr_type_p): Remove extra return.
724         * lto-streamer-out.c (hash_tree): Hash TYPE_CXX_ODR_P;
725         hash STRING_FLAG only for arrays and integers.
726         * tree-stremaer-in.c (unpack_ts_type_common_value_fields):
727         Update analogously.
728         * tree-streamer-out.c (pack_ts_type_common_value_fields):
729         Likewise.
730         * print-tree.c (print_node): Print cxx-odr-p
731         and string-flag.
732         * tree.c (need_assembler_name_p): Also check that type
733         is CXX_ODR_TYPE_P
734         (verify_type_variant): Update verification of SRING_FLAG;
735         also check CXX_ODR_P.
736         * tree.h (ARRAY_OR_INTEGER_TYPE_CHECK): New macro.
737         (TYPE_STRING_FLAG): Use it.
738         (TYPE_CXX_ODR_P): New macro.
739         * dwarf2out.c (gen_array_type_die): First check that type
740         is an array and then test string flag.
742 2019-06-24  Richard Biener  <rguenther@suse.de>
744         PR tree-optimization/90972
745         * tree-vect-stmts.c (vect_init_vector): Handle CONSTANT_CLASS_P
746         in common code, dealing with STRING_CST properly.
748 2019-06-24  Richard Biener  <rguenther@suse.de>
750         PR tree-optimization/90930
751         PR tree-optimization/90316
752         * tree-ssa-alias.c (walk_non_aliased_vuses): Add missing
753         decrement of limit.
755 2019-06-24  Martin Sebor  <msebor@redhat.com>
757         * tree-pretty-print.h: Remove unnecessary punctuation characters
758         from a diagnostic.
759         * tree-ssa.c (release_defs_bitset): Correct preprocessor conditional.
761 2019-06-24  Jonathan Wakely  <jwakely@redhat.com>
763         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG, LDBL_DECIMAL_DIG)
764         (FLT_HAS_SUBNORM, DBL_HAS_SUBNORM, LDBL_HAS_SUBNORM, FLT_TRUE_MIN)
765         (DBL_TRUE_MIN, LDBL_TRUE_MIN): Also define for C++17.
767 2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>
769         * config/rs6000/darwin.h: Handle GCC target pragma.
771 2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>
773         * config/rs6000/darwin.h: (__PPC__, __PPC64__): New.
775 2019-06-22  Jeff Law  <law@redhat.com>
777         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
779 2019-06-22  Jan Hubicka  <jh@suse.cz>
781         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Do not
782         give up on bitfields; continue searching for different refs
783         appearing later.
785 2019-06-21  Jakub Jelinek  <jakub@redhat.com>
787         * tree-vect-data-refs.c (vect_find_stmt_data_reference): Handle
788         even zero DR_OFFSET, but DR_BASE_ADDRESS of POINTER_PLUS_EXPR
789         containing the offset as possible simd lane access.  Look through
790         widening conversion.  Move the
791         TREE_CODE (DR_INIT (newdr)) == INTEGER_CST test earlier and reindent.
793 2019-06-21  Richard Biener  <rguenther@suse.de>
795         PR tree-optimization/90930
796         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Set visited
797         flag on new stmts to avoid re-processing them.
799 2019-06-21  Matthew Beliveau  <mbelivea@redhat.com>
801         PR c++/90875 - added -Wswitch-outside-range option
802         * doc/invoke.texi (Wswitch-outside-range): Document.
804 2019-06-21  Jeff Law  <law@redhat.com>
806         PR tree-optimization/90949
807         * tree-ssa-copy.c (fini_copy_prop): Use reset_flow_sensitive_info.
808         * tree-ssanames.c (reset_flow_sensitive_info): Reset non-null state.
810 2019-06-21  Richard Biener  <rguenther@suse.de>
812         PR debug/90914
813         * dwarf2out.c (prune_unused_types_walk): Always consider
814         function-local extern declarations as used.
816 2019-06-21  Richard Biener  <rguenther@suse.de>
818         PR tree-optimization/90913
819         * tree-vect-loop-manip.c (vect_loop_versioning): Do not re-use
820         the scalar variant of if-conversion versioning.
822 2019-06-21  Jakub Jelinek  <jakub@redhat.com>
824         * omp-low.c (lower_rec_simd_input_clauses): Add rvar2 argument,
825         create another "omp scan inscan exclusive" array if
826         !ctx->scan_inclusive.
827         (lower_rec_input_clauses): Handle exclusive scan inscan reductions.
828         (lower_omp_scan): Likewise.
829         * tree-vectorizer.h (struct _stmt_vec_info): Use 3-bit instead of
830         2-bit bitfield for simd_lane_access_p member.
831         * tree-vect-data-refs.c (vect_analyze_data_refs): Also handle
832         aux == (void *)-4 as simd lane access.
833         * tree-vect-stmts.c (check_scan_store): Handle exclusive scan.  Update
834         comment with permutations to show the canonical permutation order.
835         (vectorizable_scan_store): Handle exclusive scan.
836         (vectorizable_store): Call vectorizable_scan_store even for
837         STMT_VINFO_SIMD_LANE_ACCESS_P > 3.
839         * tree-vect-data-refs.c (vect_find_stmt_data_reference): Handle
840         "omp simd array" arrays with one byte elements.
842 2019-06-20  Uroš Bizjak  <ubizjak@gmail.com>
844         * config/alpha/alpha.md (@unaligned_store<mode>):
845         Rename from unaligned_store<mode>.
846         (@reload_in<mode>_aligned): Rename from reload_in<mode>_aligned.
847         * config/alpha/sync.md (@load_locked_<mode>): Rename
848         from load_locked_<mode>.
849         (@store_conditional_<mode>): Rename from store_conditional_<mode>.
850         (@atomic_compare_and_swap<mode>_1): Rename
851         from atomic_compare_and_swap<mode>_1.
852         (@atomic_exchange<mode>_1): Rename from atomic_exchange<mode>_1.
853         * config/alpha/alpha.c (alpha_expand_mov_nobwx):
854         Use gen_reload_in_aligned and gen_unaligned_store.
855         (emit_load_locked): Remove.
856         (emit_store_conditional): Ditto.
857         (alpha_split_atomic_op): Use gen_load_locked and gen_store_conditional.
858         (alpha_split_compare_and_swap): Ditto.
859         (alpha_expand_compare_and_swap_12): Use gen_atomic_compare_and_swap_1.
860         (alpha_split_compare_and_swap_12): Use gen_load_locked
861         and gen_store_conditional.
862         (alpha_split_atomic_exchange): Ditto.
863         (alpha_expand_atomic_exchange_12): Use gen_atomic_exchange_1.
864         (alpha_split_atomic_exchange_12): Use gen_load_locked
865         and gen_store_conditional.
867 2019-06-20  Richard Earnshaw  <rearnsha@arm.com>
869         * config/aarch64/aarch64-errata.h: New file.
870         * config/aarch64/aarch64-elf-raw.h (CA53_ERR_835769_SPEC): Delete.
871         (CA53_ERR_843419_SPEC): Delete.
872         (LINK_SPEC): Use AARCH64_ERRATA_LINK_SPEC instead of above.
873         * config/aarch64/aarch64-linux.h: Likewise.
874         * config/aarch64/aarch64-netbsd.h: Likewise.
875         * config/aarch64/aarch64-freebsd.h: Likewise.
877 2019-06-20  Marek Polacek  <polacek@redhat.com>
879         * config/sh/sh.c (sh2a_function_vector_p): Use get_attribute_name.
881 2019-06-20  Michael Meissner  <meissner@linux.ibm.com>
883         * config/rs6000/rs6000.md (isa attribute): Add support for
884         for a future processor.
886 2019-06-20  H.J. Lu  <hongjiu.lu@intel.com>
888         PR target/54855
889         * config/i386/i386-expand.c (ix86_expand_vector_set): Generate
890         standard scalar operation pattern for V2DF.
891         * config/i386/sse.md (*<sse>_vm<plusminus_insn><mode>3): New.
892         (*<sse>_vm<multdiv_mnemonic><mode>3): Likewise.
893         (*ieee_<ieee_maxmin><mode>3): Likewise.
894         (vec_setv2df_0): Likewise.
896 2019-06-20  Jan Hubicka  <jh@suse.cz>
898         * tree-ssa-alias.c (aliasing_component_refs_p): Remove ref2_is_decl
899         parameter; it has no use in gimple memory model.
900         (indirect_ref_may_alias_decl_p): Update.
902 2019-06-20  Martin Liska  <mliska@suse.cz>
904         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): Decrease
905         to 10.
907 2019-06-20  Jakub Jelinek  <jakub@redhat.com>
909         * tree-vect-stmts.c (enum scan_store_kind): New type.
910         (scan_store_can_perm_p): Change last argument from int * to
911         vec<enum scan_store_kind> *, record precisely which permutations
912         need whole vector left shift or that plus VEC_COND_EXPR.
913         (vectorizable_scan_store): Adjust caller, use whole vector left shift
914         and additional VEC_COND_EXPR only for those iterations that need it.
916 2019-06-20  Alexandre Oliva <oliva@adacore.com>
918         * config.gcc: Fix ARM --with-fpu checking and error message.
920 2019-06-19  Marek Polacek  <polacek@redhat.com>
922         PR c++/60364 - noreturn after first decl not diagnosed.
923         * attribs.c (get_attribute_namespace): No longer static.
924         (decl_attributes): Avoid shadowing.  Preserve the C++11 form for C++11
925         attributes.
926         (attr_noreturn_exclusions): Make it extern.
927         * attribs.h (get_attribute_namespace): Declare.
928         * tree-inline.c (function_attribute_inlinable_p): Use
929         get_attribute_name.
931 2019-06-19  Martin Sebor  <msebor@redhat.com>
933         PR tree-optimization/90626
934         * tree-ssa-strlen.c (strxcmp_unequal): Fix typos.
936         PR tree-optimization/90626
937         * tree-ssa-strlen.c (strxcmp_unequal): New function.
938         (handle_builtin_string_cmp): Call it.
940 2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>
942         * config/darwin.h (DRIVER_SELF_SPECS): Add RDYNAMIC, DARWIN_PIE_SPEC
943         and DARWIN_NOPIE_SPEC.
944         (RDYNAMIC): New, modified from DARWIN_EXPORT_DYNAMIC.
945         (DARWIN_PIE_SPEC): Collate from darwin.h and darwin9.h.
946         (DARWIN_NOPIE_SPEC): Collate from darwin10.h.
947         (DARWIN_NOCOMPACT_UNWIND): New from darwin10.h
948         (DARWIN_EXPORT_DYNAMIC): Delete.
949         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move no_compact_unwind
950         and pie options processing to  darwin.h.
951         * config/darwin9.h (DARWIN_PIE_SPEC): Move pie processing to darwin.h
953 2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>
955         * config/darwin-driver.c (darwin_driver_init): Fix off-by-one errors
956         in computing the number of options to be moved.
958 2019-06-19  Maya Rashish  <coypu@sdf.org>
960         *  config/arm/netbsd-elf.h (SYSARCH_ARM_SYNC_ICACHE): New definition.
961         (CLEAR_INSN_CACHE) Use it.
963 2019-06-19  Uroš Bizjak  <ubizjak@gmail.com>
965         * config/i386/i386.md (cmpstrnsi): Remove dead code.
967 2019-06-19  Wilco Dijkstra  <wdijkstr@arm.com>
969         PR middle-end/84521
970         * builtins.c (expand_builtin_setjmp_setup): Save
971         hard_frame_pointer_rtx.
972         (expand_builtin_setjmp_receiver): Do not emit sfp = fp move since we
973         restore fp.
974         * function.c (expand_function_start): Save hard_frame_pointer_rtx for
975         non-local goto.
976         * lra-eliminations.c (eliminate_regs_in_insn): Remove sfp = fp
977         elimination code.
978         (remove_reg_equal_offset_note): Remove unused function.
979         * reload1.c (eliminate_regs_in_insn): Remove sfp = hfp elimination
980         code.
981         * config/arc/arc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
982         (arc_builtin_setjmp_frame_value): Remove function.
983         * config/avr/avr.c  (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
984         (avr_builtin_setjmp_frame_value): Remove function.
985         * config/i386/i386.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
986         (ix86_builtin_setjmp_frame_value): Remove function.
987         * config/pa/pa.md (nonlocal_goto): Remove FP adjustment.
988         * config/sparc/sparc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
989         (sparc_builtin_setjmp_frame_value): Remove function.
990         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
991         (vax_builtin_setjmp_frame_value): Remove function.
992         * config/xtensa/xtensa.c (xtensa_frame_pointer_required): Force frame
993         pointer if has_nonlocal_label.
995 2019-06-19  Jakub Jelinek  <jakub@redhat.com>
997         * doc/md.texi: Document vec_shl_<mode> pattern.
998         * optabs.def (vec_shl_optab): New optab.
999         * optabs.c (shift_amt_for_vec_perm_mask): Add shift_optab
1000         argument, if == vec_shl_optab, check for left whole vector shift
1001         pattern rather than right shift.
1002         (expand_vec_perm_const): Add vec_shl_optab support.
1003         * optabs-query.c (can_vec_perm_var_p): Mention also vec_shl optab
1004         in the comment.
1005         * tree-vect-generic.c (lower_vec_perm): Support permutations which
1006         can be handled by vec_shl_optab.
1007         * tree-vect-stmts.c (scan_store_can_perm_p): New function.
1008         (check_scan_store): Use it.
1009         (vectorizable_scan_store): If target can't do normal permutations,
1010         try to use whole vector left shifts and if needed a VEC_COND_EXPR
1011         after it.
1012         * config/i386/sse.md (vec_shl_<mode>): New expander.
1014         * omp-low.c (lower_rec_input_clauses): Handle references properly
1015         in inscan clauses.
1016         (lower_omp_scan): Likewise.
1018 2019-06-19  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
1020         * tree-ssa-address.c (preferred_mem_scale_factor): Handle when
1021         mem_mode is BLKmode.
1023 2019-06-18  Max Filippov  <jcmvbkbc@gmail.com>
1025         PR target/90922
1026         * config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
1027         pointer adjustment for the case of no callee-saved registers and
1028         stack frame bigger than 128 bytes.
1030 2019-06-18  Thomas Schwinge  <thomas@codesourcery.com>
1032         PR middle-end/90862
1033         * omp-low.c (check_omp_nesting_restrictions): Handle
1034         GF_OMP_TARGET_KIND_OACC_DECLARE.
1036 2019-06-18  Uroš Bizjak  <ubizjak@gmail.com>
1038         * config/i386/i386.md (@cmp<mode>_1): Rename from cmp<mode>_1.
1039         (@add<mode>3_carry): Rename from add<mode>3_carry.
1040         (@sub<mode>3_carry_ccc): Rename from sub<mode>3_carry_ccc.
1041         (@sub<mode>3_carry_ccgz): Rename form sub<mode>3_carry_ccgz.
1042         (@copysign<mode>3_const): Rename from copysign<mode>3_const.
1043         (@copysign<mode>3_var): Rename from copysign<mode>3_var.
1044         (@xorsign<mode>3_1): Rename from xorsign<mode>3_1.
1045         (@x86_shift<mode>_adj_1): Rename from x86_shift<mode>_adj_1.
1046         (@x86_shift<mode>_adj_2): Rename from x86_shift<mode>_adj_2.
1047         (@x86_shift<mode>_adj_3): Rename from x86_shift<mode>_adj_3.
1048         (cmpstrnsi): Use gen_cmp_1.
1049         (lwp_slwpcb): Use gen_lwp_slwpcb_1.
1050         (@lwp_slwpcb<mode>_1): Rename from lwp_slwpcb<mode>_1.
1051         (@umonitor_<mode>): Rename from umonitor_<mode>.
1052         * config/i386/i386-expand.c (ix86_expand_copysign):
1053         Use gen_copysign3_const and gen_copysign3_var.
1054         (ix86_expand_xorsign): Use gen_xorsign3_1.
1055         (ix86_expand_branch): Use gen_sub3_carry_ccc,
1056         gen_sub3_carry_ccgz and gen_cmp1.
1057         (ix86_expand_int_addcc): Use gen_sub3_carry and gen_add3_carry.
1058         (ix86_split_ashl): Use gen_x86_shift_adj_1 and gen_x86_shift_adj_2.
1059         (ix86_split_ashr): Use gen_x86_shift_adj_1 and gen_x86_shift_adj_3.
1060         (ix86_split_lshr): Ditto.
1061         (ix86_expand_builtin) <case IX86_BUILTIN_UMONITOR>: Use gen_umonitor.
1063 2019-06-18  Jason Merrill  <jason@redhat.com>
1065         * tree.c (build_constructor): Add MEM_STAT_DECL.
1067 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1069         * config/aarch64/aarch64-modes.def (CC_NZC): New CC_MODE.
1070         * config/aarch64/aarch64-sve.md (*<optab><mode>3_cc)
1071         (ptest_ptrue<mode>, while_ult<GPI:mode><PRED_ALL:mode>)
1072         (*while_ult<GPI:mode><PRED_ALL:mode>_cc, *cmp<cmp_op><mode>)
1073         (*cmp<cmp_op><mode>_ptest, *cmp<cmp_op><mode>_cc)
1074         (*pred_cmp<cmp_op><mode>_combine, *pred_cmp<cmp_op><mode>)
1075         (vec_cmp<mode><vpred>, vec_cmpu<mode><vpred>, cbranch<mode>4):
1076         Use CC_NZC instead of CC.
1077         * config/aarch64/aarch64.md (condjump): Print a '.' in SVE conditions.
1078         * config/aarch64/aarch64.c (aarch64_sve_condition_codes): New variable.
1079         (aarch64_print_operand): Handle E_CC_NZCmode.
1080         (aarch64_emit_sve_ptrue_op_cc): Use gen_set_clobber_cc_nzc instead
1081         of gen_set_clobber_cc.
1083 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1085         * config/aarch64/aarch64-sve.md: Tabify file.
1087 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1089         * config/aarch64/aarch64-protos.h (aarch64_pfalse_reg): Declare.
1090         * config/aarch64/aarch64.c (aarch64_pfalse_reg): New function.
1091         * config/aarch64/aarch64-sve.md: Use it.
1093 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1095         * config/aarch64/aarch64-protos.h (aarch64_ptrue_reg): Declare.
1096         * config/aarch64/aarch64.c (aarch64_ptrue_reg): New functions.
1097         (aarch64_expand_sve_widened_duplicate, aarch64_expand_sve_mem_move)
1098         (aarch64_maybe_expand_sve_subreg_move, aarch64_evpc_rev_local)
1099         (aarch64_expand_sve_vec_cmp_int): Use it.
1100         (aarch64_expand_sve_vec_cmp_float): Likewise.
1101         * config/aarch64/aarch64-sve.md: Likewise throughout.
1103 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1104             Kugan Vivekanandarajah  <kuganv@linaro.org>
1106         * config/aarch64/aarch64-sve.md (*cond_<optab><mode>_0): Delete.
1107         (*cond_<optab><mode>_z): Fold into...
1108         (*cond_<optab><mode>_any): ...here.  Also handle cases in which
1109         operand 4 can be tied to operand 0 (either inherently or via RA).
1111 2019-06-18  Richard Biener  <rguenther@suse.de>
1113         PR debug/90900
1114         * cfgexpand.c (expand_debug_expr): Treat NOTE_P DECL_RTL
1115         as if optimized away.
1117 2019-06-18  Tom de Vries  <tdevries@suse.de>
1119         * config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Remove.
1120         * config/nvptx/nvptx.c (gen_set_softstack_insn): Remove.
1121         * config/nvptx/nvptx.md (define_insn "set_softstack_<mode>"):
1122         Rename to ...
1123         (define_insn "@set_softstack_<mode>"): ... this.
1124         (define_insn "omp_simt_enter_<mode>"): Rename to ...
1125         (define_insn "@omp_simt_enter_<mode>"): ... this.
1126         (define_insn "omp_simt_exit_<mode>"): Rename to ...
1127         (define_insn "@omp_simt_exit_<mode>"): ... this.
1129 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
1131         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): Remove
1132         vf parameter.  Restore the previous iv step of nscalars_step,
1133         but give it iv_type rather than compare_type.  Tweak code order
1134         to match the comments.
1135         (vect_set_loop_condition_masked): Update accordingly.
1136         * tree-vect-loop.c (vect_verify_full_masking): Use "unsigned int"
1137         for iv_precision.  Tweak comment formatting.
1139 2019-06-18  Iain Sandoe  <iain@sandoe.co.uk>
1141         * config/darwin.c: Strip trailing whitespace.
1143 2019-06-18  Iain Sandoe  <iain@sandoe.co.uk>
1145         * config/darwin.c (darwin_emit_unwind_label): New default to false.
1146         (darwin_override_options): Set darwin_emit_unwind_label as needed.
1148 2019-06-18  Martin Jambor  <mjambor@suse.cz>
1150         PR ipa/90889
1151         * ipa-cp.c (ignore_edge_p): Do not ignore edges when only the
1152         caller does not have flag_ipa_cp set.
1154 2019-06-18  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1156         * config/aarch64/aarch64-sve.md (mask_fold_left_plus_<mode>): Renamed
1157         from "*fold_left_plus_<mode>", updated operands order.
1158         * doc/md.texi (mask_fold_left_plus_@var{m}): Documented new optab.
1159         * internal-fn.c (mask_fold_left_direct): New define.
1160         (expand_mask_fold_left_optab_fn): Likewise.
1161         (direct_mask_fold_left_optab_supported_p): Likewise.
1162         * internal-fn.def (MASK_FOLD_LEFT_PLUS): New internal function.
1163         * optabs.def (mask_fold_left_plus_optab): New optab.
1164         * tree-vect-loop.c (mask_fold_left_plus_optab): New function to get a
1165         masked internal_fn for a reduction ifn.
1166         (vectorize_fold_left_reduction): Add support for masking reductions.
1168 2019-06-18  Kewen Lin  <linkw@gcc.gnu.org>
1170         PR middle-end/80791
1171         * target.def (predict_doloop_p): New hook.
1172         * targhooks.h (default_predict_doloop_p): New declaration.
1173         * targhooks.c (default_predict_doloop_p): New function.
1174         * doc/tm.texi.in (TARGET_PREDICT_DOLOOP_P): New hook.
1175         * doc/tm.texi: Regenerate.
1176         * config/rs6000/rs6000.c (rs6000_predict_doloop_p): New function.
1177         (TARGET_PREDICT_DOLOOP_P): New macro.
1178         * tree-ssa-loop-ivopts.c (generic_predict_doloop_p): New function.
1180 2019-06-17  Jakub Jelinek  <jakub@redhat.com>
1182         * omp-low.c (struct omp_context): Add scan_inclusive field.
1183         (scan_omp_1_stmt) <case GIMPLE_OMP_SCAN>: Set ctx->scan_inclusive
1184         if inclusive scan.
1185         (struct omplow_simd_context): Add lastlane member.
1186         (lower_rec_simd_input_clauses): Add rvar argument, handle inscan
1187         reductions.  Build 2 or 3 argument .GOMP_SIMD_LANE calls rather than
1188         1 or 2 argument.
1189         (lower_rec_input_clauses): Handle inscan reductions in simd contexts.
1190         (lower_lastprivate_clauses): Set TREE_THIS_NOTRAP on the ARRAY_REF.
1191         (lower_omp_scan): New function.
1192         (lower_omp_1) <case GIMPLE_OMP_SCAN>: Use lower_omp_scan.
1193         * tree-ssa-dce.c (eliminate_unnecessary_stmts): For IFN_GOMP_SIMD_LANE
1194         check 3rd argument if present rather than 2nd.
1195         * tree-vectorizer.h (struct _loop_vec_info): Add scan_map member.
1196         (struct _stmt_vec_info): Change simd_lane_access_p from bool into
1197         2-bit bitfield.
1198         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1199         scan_map.  For IFN_GOMP_SIMD_LANE check 3rd argument if present rather
1200         than 2nd.
1201         (_loop_vec_info::~_loop_vec_info): Delete scan_map.
1202         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Allow two
1203         different STMT_VINFO_SIMD_LANE_ACCESS_P refs if they have the same
1204         init.
1205         (vect_find_stmt_data_reference): Encode in ->aux the 2nd
1206         IFN_GOMP_SIMD_LANE argument.
1207         (vect_analyze_data_refs): Set STMT_VINFO_SIMD_LANE_ACCESS_P from the
1208         encoded ->aux value.
1209         * tree-vect-stmts.c: Include attribs.h.
1210         (vectorizable_call): Adjust comment about IFN_GOMP_SIMD_LANE.
1211         (scan_operand_equal_p, check_scan_store, vectorizable_scan_store): New
1212         functions.
1213         (vectorizable_load): For STMT_VINFO_SIMD_LANE_ACCESS_P tests use != 0.
1214         (vectorizable_store): Handle STMT_VINFO_SIMD_LANE_ACCESS_P > 1.
1216 2019-06-17  Uroš Bizjak  <ubizjak@gmail.com>
1218         PR target/62055
1219         * config/i386/i386.md (*nabstf2_1): New insn pattern.
1220         (*nabs<mode>2_1): Ditto.
1221         (nabs sse-reg splitter): New splitter.
1222         * config/i386/sse.md (*nabs<mode>2): New insn_and_split pattern.
1224 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
1226         PR bootstrap/90873.
1227         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Fix
1228         TMR index check.
1230 2019-06-17  Tom de Vries  <tdevries@suse.de>
1232         * config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Declare.
1233         * config/nvptx/nvptx.c (gen_set_softstack_insn): New function.
1234         * config/nvptx/nvptx.md (define_insn "set_softstack_insn"): Rename to
1235         ...
1236         (define_insn "set_softstack_<mode>"): ... this.  Use P iterator on
1237         match_operand 0.
1238         (define_insn "omp_simt_enter_insn"): Rename to ...
1239         (define_insn "omp_simt_enter_<mode>"): ... this.  Use P iterator on
1240         match_operand 0, 1 and 2, as well as the unspec_volatile result.
1241         (define_expand "omp_simt_enter): Use gen_omp_simt_enter_di and
1242         gen_omp_simt_enter_si.
1243         (define_expand "omp_simt_exit"): New.
1244         (define_insn "omp_simt_exit"): Rename to ...
1245         (define_insn "omp_simt_exit_<mode>"): ... this.  Use P iterator on
1246         match_operand 0.
1248 2019-06-17  Matthew Green  <mrg@eterna.com.au>
1249             Maya Rashish  <coypu@sdf.org>
1251         * config.gcc (aarch64*-*-netbsd*): New target.
1252         * config/aarch64/aarch64-netbsd.h: New file.
1253         * config/aarch64/t-aarch64-netbsd: Likewise.
1255 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
1257         * tree-ssa-alias.c (aliasing_component_refs_p): Consider only
1258         the access path from base to first VIEW_CONVERT_EXPR or
1259         BIT_FIELD_REF.
1261 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
1263         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Also truncate
1264         access path on BIT_FIELD_REFs.
1266 2019-06-17  Martin Liska  <mliska@suse.cz>
1268         PR ipa/90874
1269         * ipa-utils.h (odr_type_p): Remove dead code.
1271 2019-06-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1273         * configure.ac (ld_vers) <*-*-solaris2*>: Remove support for
1274         alternative Solaris 11.4 format.
1275         * configure: Regenerate.
1277 2019-06-17  Tom de Vries  <tdevries@suse.de>
1279         * config/nvptx/nvptx.md (define_insn "call_insn"): Rename to ...
1280         (define_insn "call_insn_<mode>"): ... this.  Use P iterator on
1281         match_operand 0.
1282         (define_insn "call_value_insn"): Rename to ...
1283         (define_insn "call_value_insn_<mode>"): this.  Use P iterator on
1284         match_operand 0.
1285         (define_insn "nvptx_red_partition"): Set unspec_volatile result mode to
1286         DI.
1288 2019-06-16  John David Anglin  <danglin@gcc.gnu.org>
1290         PR middle-end/64242
1291         * config/pa/pa.md (nonlocal_goto): Restore frame pointer last.  Add
1292         frame clobbers and schedule block.
1293         (builtin_longjmp): Likewise.
1295 2019-06-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1297         * config/msp430/msp430.c (msp430_expand_helper): Setup arguments which
1298         describe how to perform MSPABI compliant 64-bit shift.
1299         * config/msp430/msp430.md (ashldi3): New define_expand.
1300         (ashrdi3): New define_expand.
1301         (lshrdi3): New define_expand.
1303 2019-06-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1305         * doc/sourcebuild.texi: Document new effective target keyword
1306         longlong64.
1308 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
1310         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p,
1311         indirect_refs_may_alias_p): Revert accidental commits.
1313         * tree-ssa-alias.c (aliasing_component_refs_p): Watch for arrays
1314         at the end of structures.
1316 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
1318         * config/darwin.c (machopic_indirect_call_target): Use renamed
1319         darwin_picsymbol_stubs to decide on output.
1320         (darwin_override_options): Handle darwin_picsymbol_stubs.
1321         * config/darwin.h (MIN_LD64_OMIT_STUBS): New.
1322         (LD64_VERSION): Revise default.
1323         * config/darwin.opt: (mpic-symbol-stubs): New option.
1324         (darwin_picsymbol_stubs): New variable.
1325         * config/i386/darwin.h (TARGET_MACHO_BRANCH_ISLANDS):
1326         rename to TARGET_MACHO_PICSYM_STUBS.
1327         * config/i386/i386.c (output_pic_addr_const): Likewise.
1328         * config/i386/i386.h Likewise.
1329         * config/rs6000/darwin.h: Likewise.
1330         * config/rs6000/rs6000.c (rs6000_call_darwin_1): Use renamed
1331         darwin_picsymbol_stubs.
1333 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
1335         * config/darwin.opt (prebind, noprebind, seglinkedit,
1336         noseglinkedit): Add RejectNegative.
1338 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
1340         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Fix pasto
1341         in my previous patch.
1343 2019-06-16  Tom de Vries  <tdevries@suse.de>
1345         PR tree-optimization/89376
1346         * tree-parloops.c (oacc_entry_exit_ok_1): Handle red == NULL.
1348 2019-06-15  Maya Rashish  <coypu@sdf.org>
1350         * doc/invoke.texi (Spec Files): Update location of the
1351         Fortran spec file.
1353 2019-06-15  Gerald Pfeifer  <gerald@pfeifer.com>
1355         * doc/extend.texi (Common Function Attributes): Clarify
1356         no_sanitize.  Fix grammar.
1358 2019-06-15  Jan Hubicka  <hubicka@ucw.cz>
1360         * tree-ssa-alias.c (alias_stats): Add
1361         nonoverlapping_component_refs_p_may_alias,
1362         nonoverlapping_component_refs_p_no_alias,
1363         nonoverlapping_component_refs_of_decl_p_may_alias,
1364         nonoverlapping_component_refs_of_decl_p_no_alias.
1365         (dump_alias_stats): Dump them.
1366         (nonoverlapping_component_refs_of_decl_p): Add stats.
1367         (nonoverlapping_component_refs_p): Add stats; do not stop on first
1368         ARRAY_REF.
1370 2019-06-15  Uroš Bizjak  <ubizjak@gmail.com>
1372         * config/i386/i386.md (and<mode>3): Generate zero-extends for
1373         TARGET_ZERO_EXTEND_WITH_AND && optimize_function_for_speed_p (cfun))
1374         only.
1375         (*anddi3_doubleword): Split before reload. Merge with
1376         anddi->zext pre-reload splitter.
1377         (*andndi3_doubleword): Split before reload.
1378         (*<code>di3_doubleword): Ditto.
1379         (*one_cmpldi2_doubleword): Ditto.
1381 2019-06-15  Jakub Jelinek  <jakub@redhat.com>
1383         PR middle-end/90779
1384         * gimplify.c: Include omp-offload.h and context.h.
1385         (gimplify_bind_expr): Add "omp declare target" attributes
1386         to static block scope variables inside of target region or target
1387         functions.
1389 2019-06-15  Tom de Vries  <tdevries@suse.de>
1391         PR tree-optimization/90009
1392         * tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
1393         Return NULL if bb contains IFN_UNIQUE.
1395 2019-06-14  Segher Boessenkool  <segher@kernel.crashing.org>
1397         * config/rs6000/rs6000.md (CCEITHER): New define_mode_iterator.
1398         (un): New define_mode_attr.
1399         (isel_signed_<mode>, isel_unsigned_<mode>): Delete, merge into ...
1400         (isel_<un>signed_<GPR:mode>): ... this.  New define_insn.
1401         (isel_reversed_signed_<mode>, isel_reversed_unsigned_<mode>): Delete,
1402         merge into ...
1403         (isel_reversed_<un>signed_<GPR:mode>): ... this.  New define_insn.
1405 2019-06-14  Iain Sandoe  <iain@sandoe.co.uk>
1407         * config/darwin.opt: Add RejectNegative where needed, reorder
1408         and add minimal functional descriptions.
1410 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
1412         PR rtl-optimization/90765
1413         * calls.c (update_stack_alignment_for_call): New function.
1414         (expand_call): Call update_stack_alignment_for_call when
1415         outgoing parameter is passed in the stack.
1416         (emit_library_call_value_1): Likewise.
1417         * function.c (locate_and_pad_parm): Don't update
1418         stack_alignment_needed and preferred_stack_boundary.
1420 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
1422         PR target/90877
1423         * config/i386/i386-features.c
1424         (dimode_scalar_chain::compute_convert_gain): Replace
1425         mmxsse_to_integer with sse_to_integer.
1426         * config/i386/i386.c (ix86_register_move_cost): Verify that
1427         moves between MMX and non-MMX units require secondary memory.
1428         Correct costs of moves between SSE and integer units.
1429         * config/i386/i386.h (processor_costs): Rename cost of moving
1430         SSE register to integer to sse_to_integer.  Rename cost of
1432 2019-06-14  Matt Thomas  <matt@3am-software.com>
1433             Matthew Green  <mrg@eterna.com.au>
1434             Nick Hudson  <skrll@netbsd.org>
1435             Maya Rashish  <coypu@sdf.org>
1436             Richard Earnshaw  <rearnsha@arm.com>
1438         * config.gcc (arm*-*-netbsdelf*) Add support for EABI configuration.
1439         * config.host (arm*-*-netbsd*): Use driver-arm.o on native NetBSD.
1440         * config/arm/netbsd-eabi.h: New file.
1441         * config/arm/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Undefine before
1442         redefining.
1443         (SUBTARGET_EXTRA_ASM_SPEC): Don't pass -matpcs to the assembler.
1444         * config/netbsd-elf.h (NETBSD_LINK_LD_ELF_SO_SPEC): New define.
1445         (NETBSD_SUBTARGET_EXTRA_SPECS): New define.
1446         (SUBTARGET_EXTRA_SPECS): Define to NETBSD_SUBTARGET_EXTRA_SPECS.
1448 2019-06-14  Richard Biener  <rguenther@suse.de>
1450         * tree-loop-distribution.c (classify_partition): Return
1451         whether a reduction appeared in all partitions and do not
1452         stop builtin detection because of this.
1453         (distribute_loop): Sort a non-builtin partition last if
1454         there's a reduction in all partitions and make sure the
1455         partition prevailing as last is not a builtin.
1457 2019-06-14  Feng Xue  <fxue@os.amperecomputing.com>
1459         PR ipa/90401
1460         * ipa-prop.c (add_to_agg_contents_list): New function.
1461         (clobber_by_agg_contents_list_p): Likewise.
1462         (extract_mem_content): Likewise.
1463         (get_place_in_agg_contents_list): Delete.
1464         (determine_known_aggregate_parts): Renamed from
1465         determine_locally_known_aggregate_parts.  New parameter
1466         aa_walk_budget_p.
1468 2019-06-13  Martin Sebor  <msebor@redhat.com>
1470         PR tree-optimization/90662
1471         * tree-ssa-strlen.c (get_stridx): Convert fold_build2 operands
1472         to the same type.
1474 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
1476         PR bootstrap/90873
1477         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Also check that
1478         dbase is not TARGET_MEM_REF.
1480 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
1482         * config/i386/i386.md (SWIM1248s): Rename from SWIM1248x.
1483         Update all uses.
1484         (and<mode>3): Use gen_extend_insn instead of indirect functions.
1485         Do not generate DImode extends for 32bit targets.
1486         (and->zext post-reload splitter): Use gen_extend_insn
1487         instead of indirect functions.
1488         (anddi->zext pre-reload splitter): New.
1489         (*zext<mode>_doubleword_and): Remove.
1490         (*zext<mode>_doubleword): Ditto.
1491         (*zextsi_doubleword): Dittto.
1493 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
1495         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
1496         Use gen_sub3_insn instead of indirect function.
1497         (ix86_expand_ashl_const): Use gen_add2_insn instead of
1498         indirect function.
1499         (ix86_adjust_counter): Ditto.
1501 2019-06-13  Jiufu Guo  <guojiufu@linux.ibm.com>
1502             Lijia He  <helijia@linux.ibm.com>
1504         PR tree-optimization/77820
1505         * tree-ssa-threadedge.c
1506         (edge_forwards_cmp_to_conditional_jump_through_empty_bb_p): New
1507         function.
1508         (thread_across_edge): Add call to
1509         edge_forwards_cmp_to_conditional_jump_through_empty_bb_p.
1511 2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>
1513         * config/darwin-driver.c (validate_macosx_version_min): New.
1514         (darwin_default_min_version): Cleanup and validate supplied version.
1515         (darwin_driver_init): Likewise and push cleaned version into opts.
1517 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
1519         PR tree-optimization/90869
1520         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
1521         converts in MEM_REF referencing decl rather than view converts
1522         from decl type to MEM_REF type.
1524 2019-06-13  Richard Biener  <rguenther@suse.de>
1526         PR tree-optimization/90856
1527         * tree-sra.c (build_ref_for_model): Only use
1528         build_reconstructed_reference when address-spaces are the same.
1530 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
1532         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
1533         wrap ei variable name in the declaration in ()s.
1534         (nvptx_single): Actually use mode_label variable.  Formatting fix.
1536 2019-06-13  Richard Biener  <rguenther@suse.de>
1538         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
1539         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
1540         also return the condition stmt.
1541         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
1542         loop we can version and version that, reusing the loop version
1543         created by if-conversion instead of versioning again.
1545 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
1547         * gimple-loop-versioning.cc (prune_loop_conditions): Use
1548         may_contain_p.
1549         * tree-vrp (value_range_base::may_contain_p): Call into
1550         value_inside_range.
1551         (value_inside_range): Make private inside value_range_base class.
1552         Take min/max from *this.
1553         (range_includes_p): Remove.
1554         * tree-vrp.h (value_range_base): Add value_inside_range.
1555         (range_includes_p): Remove.
1556         (range_includes_zero_p): Call may_contain_p.
1557         * vr-values.c (compare_range_with_value): Same.
1559 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
1561         * doc/extend.texi (ARC Function Attributes): Update info.
1563 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
1565         PR tree-optimization/89713
1566         * doc/invoke.texi (-ffinite-loops): Document new option.
1567         * common.opt (-ffinite-loops): New option.
1568         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
1569         IFN_GOACC_LOOP calls as necessary.
1570         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
1571         is finite.
1572         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
1573         IFN_GOACC_LOOP call is not used.
1574         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
1576 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
1578         PR target/88838
1579         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
1580         compare_type is not with Pmode size, we will create an IV with
1581         Pmode size with truncated use (i.e. converted to the correct type).
1582         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
1583         (vect_iv_limit_for_full_masking): New. Factored out of
1584         vect_set_loop_condition_masked.
1585         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
1586         (vect_iv_limit_for_full_masking): Declare.
1588 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
1590         PR target/88834
1591         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
1592         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
1593         (get_alias_ptr_type_for_ptr_address): Likewise.
1594         (add_iv_candidate_for_use): Add scaled index candidate if useful.
1595         * tree-ssa-address.c (preferred_mem_scale_factor): New.
1596         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
1597         allow_reg_index_p.
1599 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
1601         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
1603 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
1605         * common/config/pru/pru-common.c: New file.
1606         * config.gcc: Add PRU target.
1607         * config/pru/alu-zext.md: New file.
1608         * config/pru/constraints.md: New file.
1609         * config/pru/predicates.md: New file.
1610         * config/pru/pru-opts.h: New file.
1611         * config/pru/pru-passes.c: New file.
1612         * config/pru/pru-pragma.c: New file.
1613         * config/pru/pru-protos.h: New file.
1614         * config/pru/pru.c: New file.
1615         * config/pru/pru.h: New file.
1616         * config/pru/pru.md: New file.
1617         * config/pru/pru.opt: New file.
1618         * config/pru/t-pru: New file.
1619         * doc/extend.texi: Document PRU pragmas.
1620         * doc/invoke.texi: Document PRU-specific options.
1621         * doc/md.texi: Document PRU asm constraints.
1623 2019-06-12  Martin Sebor  <msebor@redhat.com>
1625         PR middle-end/90676
1626         * tree-pretty-print.c (dump_mem_ref): New function.  Include
1627         MEM_REF type in output when different size than operand.
1628         (dump_generic_node): Move code to dump_mem_ref and call it.
1630 2019-06-12  Martin Sebor  <msebor@redhat.com>
1632         PR tree-optimization/90662
1633         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
1634         to arrays.
1636 2019-06-12  Tom de Vries  <tdevries@suse.de>
1638         PR tree-optimization/90009
1639         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
1641 2019-06-12  Martin Liska  <mliska@suse.cz>
1643         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
1644         the created map.
1645         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
1646         * mem-stats.h (mem_alloc_description::mem_alloc_description):
1647         Do not sanitize created maps.
1649 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
1651         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
1652         value_range::singleton_p.
1653         * tree-vrp.c (value_range_constant_singleton): Remove.
1654         * tree-vrp.h (value_range_constant_singleton): Remove.
1655         * vr-values.c (vr_values::singleton): Use
1656         value_range::singleton_p.
1658 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
1660         PR target/90811
1661         * cfgexpand.c (align_local_variable): Add really_expand argument,
1662         don't SET_DECL_ALIGN if it is false.
1663         (add_stack_var): Add really_expand argument, pass it through to
1664         align_local_variable.
1665         (expand_one_stack_var_1): Pass true as really_expand to
1666         align_local_variable.
1667         (expand_one_ssa_partition): Pass true as really_expand to
1668         add_stack_var.
1669         (expand_one_var): Pass really_expand through to add_stack_var.
1671 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1673         * config/arm/iterators.md (VABAL): New int iterator.
1674         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
1675         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
1676         values.
1678 2019-06-12  Martin Liska  <mliska@suse.cz>
1680         * value-prof.c (stream_out_histogram_value): Only first value
1681         can't be negative.
1683 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
1685         PR c/90760
1686         * symtab.c (symtab_node::set_section): Allow being called on aliases
1687         as long as they aren't analyzed yet.
1689 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
1691         * config/mips/mips.c (mips_final_postscan_insn): Modify call
1692         to `mips_set_text_contents_type' to indicate whether a
1693         non-debug insn follows.
1695 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
1697         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
1698         enabling -mpcrel by default.
1699         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
1700         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
1701         that the test against -mcpu=future is done first.  Then test if
1702         -mprefixed-addr is on for -mpcrel.
1703         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
1705 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
1707         PR target/90811
1708         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
1709         instead of and.u%d.
1711 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
1713         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
1715 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
1717         PR c++/90449 - add -Winaccessible-base option.
1718         * doc/invoke.texi (Winaccessible-base): Document.
1720 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
1722         PR tree-optimization/62041
1723         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
1725 2019-06-11  Jason Merrill  <jason@redhat.com>
1727         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
1728         * tree.c (get_tree_code_name): Likewise.
1729         * print-tree.c (print_node): Only briefly print a node with an
1730         invalid code.
1732 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
1734         PR bootstrap/90819
1735         * trans-mem.c (tm_memopt_compute_available): Add assertion
1736         that blocks is not empty.  Formatting fix.
1738 2019-06-11  Martin Liska  <mliska@suse.cz>
1740         PR c++/87847
1741         * hash-table.h: Extend create_gcc, add one parameter
1742         that is passed into hash_table::hash_table.
1744 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
1746         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
1747         New prototype.
1748         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
1749         Emit clobber also for non-sse operations.
1750         (ix86_split_fp_absneg_operator): New function.
1751         * config/i386/i386.md (SSEMODEF): New mode iterator.
1752         (ssevecmodef): New mode attribute.
1753         (<code>tf2): Use absneg code iterator.
1754         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
1755         Add three-operand AVX alternatives.
1756         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
1757         Use absneg code iterator and X87MODEF mode iterator.
1758         (absneg fp_reg non-sse splitter): Call absneg code iterator
1759         and X87MODEF mode iterator.
1760         (absneg general_reg non-sse splitter): Use absneg code iterator
1761         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
1762         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
1763         code iterator.  Add three-operand AVX alternative.
1764         (absneg sse_reg splitter): Use absneg code iterator
1765         and SSEMODEF mode iterator.  Handle AVX operands.
1766         (absneg fp_reg splitter): Use absneg code iterator
1767         and MODEF mode iterator.
1768         (absneg general_reg splitter): Merge splitters using MODEF mode
1769         iterator.  Use absneg code iterator.  Call
1770         ix86_split_fp_absneg_operator.
1771         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
1772         Do not enable for non-sse modes before reload.
1773         (CSGNMODE): Remove.
1774         (CSGNVMODE): Ditto.
1775         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
1776         ssevecmodef mode attribute instaed of CSGNVMODE.
1777         (copysign<mode>3_const): Ditto.
1778         (copysign<mode>3_var): Ditto.
1779         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
1780         Use absneg code iterator.  Simplify code using std::swap.
1781         * config/i386/predicates.md (absneg_operator): Remove.
1783 2019-06-10  Martin Sebor  <msebor@redhat.com>
1785         * gimple-fold.c (get_range_strlen): Update comment that didn't
1786         make it into r267503 or related commits.
1788 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
1790         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
1791         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
1793 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
1795         * tree.def (OMP_SCAN): New tree code.
1796         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
1797         OMP_CLAUSE_EXCLUSIVE.
1798         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
1799         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
1800         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
1801         OMP_CLAUSE_{IN,EX}CLUSIVE.
1802         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
1803         * tree-nested.c (convert_nonlocal_reference_stmt,
1804         convert_local_reference_stmt, convert_gimple_call): Handle
1805         GIMPLE_OMP_SCAN.
1806         * tree-pretty-print.c (dump_omp_clause): Handle
1807         OMP_CLAUSE_{IN,EX}CLUSIVE.
1808         (dump_generic_node): Handle OMP_SCAN.
1809         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
1810         * gimple.h (gomp_scan): New type.
1811         (is_a_helper <gomp_scan *>::test,
1812         is_a_helper <const gomp_scan *>::test): New templates.
1813         (gimple_build_omp_scan): Declare.
1814         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
1815         gimple_omp_scan_set_clauses): New inline functions.
1816         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
1817         * gimple.c (gimple_build_omp_scan): New function.
1818         (gimple_copy): Handle GIMPLE_OMP_SCAN.
1819         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
1820         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
1821         GIMPLE_OMP_TASKGROUP.
1822         (dump_gimple_omp_scan): New function.
1823         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
1824         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
1825         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
1826         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
1827         (is_gimple_stmt): Handle OMP_SCAN.
1828         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
1829         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
1830         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
1831         mentioned in nested #pragma omp scan.  Handle
1832         OMP_CLAUSE_{IN,EX}CLUSIVE.
1833         (gimplify_expr): Handle OMP_SCAN.
1834         * omp-low.c (check_omp_nesting_restrictions): For parent context,
1835         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
1836         simd constructs.
1837         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
1838         GIMPLE_OMP_SCAN.
1840 2019-06-10  Martin Liska  <mliska@suse.cz>
1842         * ipa-cp.c (ignore_edge_p): New function.
1843         (build_toporder_info): Use it.
1844         * ipa-inline.c (ignore_edge_p): New function.
1845         (inline_small_functions): Use it.
1846         * ipa-pure-const.c (ignore_edge_for_nothrow):
1847         Verify opt_for_fn for caller and callee.
1848         (ignore_edge_for_pure_const): Likewise.
1849         * ipa-reference.c (ignore_edge_p): Extend to check
1850         for opt_for_fn.
1851         * ipa-utils.c (searchc): Refactor.
1852         * ipa-utils.h: Fix coding style.
1854 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
1856         * config/arc/arc.c (arc_rtx_costs): Update costs.
1858 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
1860         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
1861         (arc_split_ior): Likewise.
1862         (arc_check_mov_const): Likewise.
1863         (arc_split_mov_const): Likewise.
1864         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
1865         (arc_rtx_costs): Replace check Crr with Cax constraint.
1866         (prepare_move_operands): Cleanup, remove unused code.
1867         (arc_split_ior): New function.
1868         (arc_check_ior_const): Likewise.
1869         (arc_split_mov_const): Likewise.
1870         (arc_check_mov_const): Likewise.
1871         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
1872         in define_insn_and_split pattern.
1873         (iorsi3): Likewise.
1874         (mulsi3_v2): Add new matching variant.
1875         (andsi3_i): Cleanup pattern.
1876         (rotrsi3_cnt1): Update pattern.
1877         (rotrsi3_cnt8): New pattern.
1878         (ashlsi2_cnt8): Likewise.
1879         (ashlsi2_cnt16): Likewise.
1880         * config/arc/constraints.md (C0p): Update constraint.
1881         (Crr): Remove it.
1882         (C0x): New pattern.
1883         (Cax): New pattern.
1885 2019-06-10  Martin Liska  <mliska@suse.cz>
1887         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
1888         Update coding style.
1889         (sem_item_optimizer::dump_cong_classes):
1890         Print how many items are in a non-singular class.  Improve
1891         coding style.
1893 2019-06-10  Martin Liska  <mliska@suse.cz>
1895         * value-prof.c (dump_histogram_value): Change dump format.
1896         (gimple_mod_subtract_transform): Remove legacy comment.
1898 2019-06-10  Martin Liska  <mliska@suse.cz>
1900         * value-prof.c (dump_histogram_value): Print histogram values
1901         only if present.
1903 2019-06-10  Martin Liska  <mliska@suse.cz>
1905         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
1906         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
1907         * ipa-profile.c (ipa_profile_generate_summary):
1908         Use get_most_common_single_value.
1909         * tree-profile.c (gimple_init_gcov_profiler):
1910         Instrument with __gcov_one_value_profiler_v2
1911         and __gcov_indirect_call_profiler_v4.
1912         * value-prof.c (dump_histogram_value):
1913         Print all values for HIST_TYPE_SINGLE_VALUE.
1914         (stream_out_histogram_value): Update assert for
1915         N values.
1916         (stream_in_histogram_value): Set number of
1917         counters for HIST_TYPE_SINGLE_VALUE.
1918         (get_most_common_single_value): New.
1919         (gimple_divmod_fixed_value_transform):
1920         Use get_most_common_single_value.
1921         (gimple_ic_transform): Likewise.
1922         (gimple_stringops_transform): Likewise.
1923         (gimple_find_values_to_profile): Set number
1924         of counters for HIST_TYPE_SINGLE_VALUE.
1925         * value-prof.h (get_most_common_single_value):
1926         New.
1928 2019-06-10  Martin Liska  <mliska@suse.cz>
1930         * hash-map.h: Pass default value to hash_table ctor.
1931         * hash-table.h: Add default value to call of a ctor.
1933 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
1935         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
1936         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
1938 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
1940         PR target/90751
1941         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
1942         Call pa_output_function_label.
1943         (TARGET_ASM_FUNCTION_PROLOGUE): define.
1944         * config/pa/pa-protos.h (pa_output_function_label): Declare.
1945         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
1946         to declaration.
1947         (pa_linux_output_function_prologue): Declare.
1948         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
1949         (pa_output_function_label): New.
1950         (pa_output_function_prologue): Revise to use pa_output_function_label.
1951         (pa_linux_output_function_prologue): New.
1952         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
1954 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
1956         * tree-vrp.h (value_range_base::intersect): New.
1957         (value_range::intersect_helper): Move from here...
1958         (value_range_base::intersect_helper): ...to here.
1959         * tree-vrp.c (value_range::intersect_helper): Rename to...
1960         (value_range_base::intersect_helper): ...this, and rewrite to
1961         return a value instead of modifying THIS in place.
1962         Also, move equivalence handling...
1963         (value_range::intersect): ...here, while calling intersect_helper.
1964         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
1965         calling intersect.
1966         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
1967         Same.
1968         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
1970 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
1972         * Makefile.in (genprogerr): Add condmd.
1973         (genprog): Remove it here.
1975 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
1977         * doc/invoke.texi (AMD GCN Options): Add gfx906.
1979 2019-06-07  Richard Biener  <rguenther@suse.de>
1981         PR debug/90574
1982         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
1983         that appear after user labels.
1985 2019-06-07  Martin Liska  <mliska@suse.cz>
1987         * cselib.c (cselib_init): Disable hash table
1988         sanitization.
1989         * hash-set.h: Pass new default argument to m_table.
1990         * hash-table.c: Add global variable with hash table
1991         sanitization limit.
1992         * hash-table.h (Allocator>::hash_table): Add new argument
1993         to ctor.
1994         (hashtab_chk_error): New.
1995         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
1996         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
1997         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
1999 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
2001         * common.opt (flto-odr-type-merging): Ignore.
2002         * invoke.texi (-flto-odr-type-merging): Remove.
2003         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
2004         (can_be_vtable_hashed_p): Remove.
2005         (hash_odr_vtable): Remove.
2006         (odr_vtable_hasher::hash): Remove.
2007         (types_same_for_odr): Remove.
2008         (types_odr_comparable): Remove.
2009         (odr_vtable_hasher::equal): Remove.
2010         (odr_vtable_hash_type, odr_vtable_hash): Remove.        
2011         (add_type_duplicate): Do not synchronize vtable and name hashtables.
2012         (get_odr_type): Do not use vtable hash.
2013         (dump_odr_type): Remove commented out code.
2014         (build_type_inheritance_graph): Do not allocate vtable hash.
2015         (rebuild_type_inheritance_graph): Do not delete vtable hash.
2016         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
2017         (odr_type_p): Likewise.
2018         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
2019         test.
2021 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
2023         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
2024         immediately after same_types_for_tbaa_p returns -1 and continue
2025         looking for possible exact match; if matching types are arrays
2026         watch for partial overlaps.
2027         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
2028         (indirect_refs_may_alias_p): Do type based disambiguation first;
2029         update comment.
2031 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
2033         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
2035 2019-06-07  Martin Liska  <mliska@suse.cz>
2037         * doc/invoke.texi: Remove param.
2038         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
2039         Remove.
2040         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
2041         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
2042         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
2043         * profile.c (instrument_values): Remove
2044         HIST_TYPE_INDIR_CALL_TOPN.
2045         * tree-profile.c (init_ic_make_global_vars):
2046         Always build __gcov_indirect_call only.
2047         (gimple_init_gcov_profiler): Remove usage
2048         of PARAM_INDIR_CALL_TOPN_PROFILE.
2049         (gimple_gen_ic_profiler): Likewise.
2050         * value-prof.c (dump_histogram_value): Likewise.
2051         (stream_in_histogram_value): Likewise.
2052         (gimple_indirect_call_to_profile): Likewise.
2053         (gimple_find_values_to_profile): Likewise.
2054         * value-prof.h (enum hist_type): Likewise.
2056 2019-06-07  Martin Liska  <mliska@suse.cz>
2058         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
2059         function.
2061 2019-06-07  Martin Liska  <mliska@suse.cz>
2063         PR tree-optimization/78902
2064         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
2065         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
2066         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
2067         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
2068         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
2069         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
2070         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
2071         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
2072         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
2073         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
2074         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
2075         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
2076         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
2077         New.
2078         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
2079         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
2080         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
2081         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
2082         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
2083         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
2084         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
2085         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
2086         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
2087         warn_unused_result attribute.
2088         (BUILT_IN_STRDUP): Likewise.
2089         (BUILT_IN_STRNDUP): Likewise.
2090         (BUILT_IN_ALLOCA): Likewise.
2091         (BUILT_IN_CALLOC): Likewise.
2092         (BUILT_IN_MALLOC): Likewise.
2093         (BUILT_IN_REALLOC): Likewise.
2095 2019-06-06  Jim Wilson  <jimw@sifive.com>
2097         PR target/89955
2098         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
2099         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
2100         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
2102 2019-06-06  Martin Sebor  <msebor@redhat.com>
2104         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
2105         (handle_builtin_malloc): Remove trailing spaces.
2106         (handle_builtin_memset): Same.
2107         (handle_builtin_memcmp): Same.
2108         (compute_string_length): Same.
2109         (determine_min_objsize): Same.
2110         (handle_builtin_string_cmp): Same.
2111         (handle_char_store): Same.  Break up excessively long line.
2113 2019-06-06  Martin Jambor  <mjambor@suse.cz>
2115         * tree-sra.c (build_reconstructed_reference): Drop the alignment
2116         check.
2118 2019-06-06  Martin Jambor  <mjambor@suse.cz>
2120         * tree-sra.c (struct access): New field grp_same_access_path.
2121         (dump_access): Dump it.
2122         (build_reconstructed_reference): New function.
2123         (build_ref_for_model): Use it if possible.
2124         (path_comparable_for_same_access): New function.
2125         (same_access_path_p): Likewise.
2126         (sort_and_splice_var_accesses): Set the new flag.
2127         (analyze_access_subtree): Likewise.
2128         (propagate_subaccesses_across_link): Propagate zero value of the new
2129         flag down the access tree.
2131 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
2133         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
2134         * config/gcn/gcn.opt (gpu_type): Add gfx906.
2135         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
2136         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
2137         Add gfx906.
2139 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2141         PR tree-optimization/90332
2142         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
2143         Handle VALS containing two vectors.
2144         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
2145         to...
2146         (@aarch64_combinez<mode>): ... This.
2147         (*aarch64_combinez_be<mode>): Rename to...
2148         (@aarch64_combinez_be<mode>): ... This.
2149         (vec_init<mode><Vhalf>): New define_expand.
2150         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
2152 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
2154         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
2155         library functions only when not optimizing for size.
2156         (ashlsi3): Likewise.
2157         (ashrhi3): Likewise.
2158         (ashrsi3): Likewise.
2159         (lshrhi3): Likewise.
2160         (lshrsi3): Likewise.
2162 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
2164         PR rtl-optimization/88751
2165         * ira.c (ira): Use the number of the actually referenced registers
2166         when calculating the threshold.
2168 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
2170         * configure: Regenerate.
2172 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
2174         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
2175         register if it is in memory, so the shift can be emulated with a rotate
2176         instruction.
2177         (ashrhi3): Likewise.
2178         (lshrhi3): Likewise.
2180 2019-06-06  Martin Liska  <mliska@suse.cz>
2182         PR tree-optimization/87954
2183         * match.pd: Simplify mult where both arguments are 0 or 1.
2185 2019-06-06  Richard Biener  <rguenther@suse.de>
2187         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
2188         put equivalences on UNDEFINED ranges.
2189         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
2190         Make sure to drop defs of stmts added during simplification
2191         to VARYING.
2193 2019-06-06  Richard Biener  <rguenther@suse.de>
2195         * tree-ssa-structalias.c: Include tree-cfg.h.
2196         (make_heapvar): Do not make heap vars artificial.
2197         (find_func_aliases_for_builtin_call): Handle stack allocation
2198         functions.
2199         (find_func_aliases): Delay processing of simple enough returns
2200         in non-IPA mode.
2201         (set_uids_in_ptset): Adjust.
2202         (find_what_var_points_to): Likewise.
2203         (solve_constraints): Do not dump points-to sets here.
2204         (compute_points_to_sets): Post-process return statements,
2205         amending the escaped solution.  Dump points-to sets afterwards.
2206         (ipa_pta_execute): Dump points-to sets.
2208 2019-06-06  Martin Liska  <mliska@suse.cz>
2210         PR web/87933
2211         * doc/install.texi: Fix HTML headers and
2212         titles for 'Installing GCC' pages.
2214 2019-06-06  Martin Liska  <mliska@suse.cz>
2216         * ipa-icf-gimple.h (dump_message_1): Remove.
2217         (dump_message): Likewise.
2218         (return_false_with_message_1): Print also file.
2219         (return_false_with_msg): Likewise.
2220         (return_with_result): Likewise.
2221         (return_with_debug): Likewise.
2222         * ipa-icf.c (sem_function::equals_private): Remove call
2223         to dump_message.
2225 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
2227         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
2228         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
2229         memory operand for it.
2230         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
2232 2019-06-05  Martin Sebor  <msebor@redhat.com>
2234         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
2235         Adjust quoting and hyphenation.
2236         * convert.c (convert_to_real_1): Same.
2237         * gcc.c (driver_wrong_lang_callback): Same.
2238         (driver::handle_unrecognized_options): Same.
2239         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
2240         * opts-common.c (cmdline_handle_error): Same.
2241         (read_cmdline_option): Same.
2242         * opts-global.c (complain_wrong_lang): Same.
2243         (print_ignored_options): Same.
2244         (handle_common_deferred_options): Same.
2245         * pretty-print.h: Same.
2246         * print-rtl.c (debug_bb_n_slim): Same.
2247         * sched-rgn.c (make_pass_sched_fusion): Same.
2248         * tree-cfg.c (verify_gimple_assign_unary): Same.
2249         (verify_gimple_label): Same.
2250         * tree-ssa-operands.c (verify_ssa_operands): Same.
2251         * varasm.c (do_assemble_alias): Same.
2252         (assemble_alias): Same.
2254 2019-06-05  Richard Henderson  <rth@twiddle.net>
2256         * config/alpha/alpha.c (direct_return): Move down after
2257         struct machine_function definition; use saved frame_size;
2258         return bool.
2259         (struct machine_function): Add sa_mask, sa_size, frame_size.
2260         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
2261         (alpha_compute_frame_layout): ... new function.
2262         (TARGET_COMPUTE_FRAME_LAYOUT): New.
2263         (alpha_initial_elimination_offset): Use saved sa_size.
2264         (alpha_vms_initial_elimination_offset): Likewise.
2265         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
2266         (alpha_expand_prologue): Use saved frame data.  Merge integer
2267         and fp register save loops.
2268         (alpha_expand_epilogue): Likewise.
2269         (alpha_start_function): Use saved frame data.
2270         * config/alpha/alpha-protos.h (direct_return): Update.
2271         (alpha_sa_size): Remove.
2273 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
2275         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
2276         multiplication by a power-of-two value.
2277         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
2278         and turn the modulo operation into a masking operation.
2280 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
2282         PR debug/90733
2283         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
2284         with VOIDmode inner operands.
2286 2019-06-05  Richard Biener  <rguenther@suse.de>
2288         PR middle-end/90726
2289         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2290         turn an expression graph into a tree.
2292 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
2294         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
2295         member.
2296         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
2297         treat it like explicit monotonic schedule modifier.
2298         (expand_omp_for): Initialize has_lastprivate_conditional.
2299         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
2300         schedule modifier.
2302         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
2303         references, lookup in in hash map MEM_REF operand instead of the
2304         MEM_REF itself.
2305         (lower_omp_1): When looking for lastprivate conditional assignments,
2306         handle MEM_REFs with REFERENCE_TYPE operands.
2308         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
2309         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
2310         and references a VLA.  Handle references to non-VLAs if is_simd
2311         all privatization clauses like reductions.
2312         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
2313         If omp_is_reference, use always omp simd arrays and set
2314         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
2315         fails, emit reference initialization.
2317 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
2319         PR target/89803
2320         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
2321         _mm_mask_fpclass_sd_mask): New intrinsics.
2322         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
2323         * config/i386/i386-builtin.def
2324         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
2325         New builtins.
2326         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
2327         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
2328         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
2329         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
2330         case QI_FTYPE_V2SF_INT): Ditto.
2331         * config/i386/sse.md
2332         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
2333         Extended to insnstructions with mask operands.
2335 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2337         * config/rs6000/constraints.md (define_register_constraint "wp"):
2338         Delete.
2339         (define_register_constraint "wq"): Delete.
2340         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2341         (rs6000_init_hard_regno_mode_ok): Adjust.
2342         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2343         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
2344         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
2345         (define_mode_attr VSa): Delete.
2346         (define_mode_attr VSisa): New.
2347         (rest of file): Adjust.
2348         * doc/md.texi (Machine Constraints): Adjust.
2350 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2352         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
2353         (define_attr "enabled"): Handle those new isa values.
2355 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2357         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
2358         (define_mode_attr VSr5): Delete.
2359         (define_mode_attr VStype_sqrt): Delete.
2360         (define_mode_iterator VSX_SPDP): Delete.
2361         (define_mode_attr VS_spdp_res): Delete.
2362         (define_mode_attr VS_spdp_insn): Delete.
2363         (define_mode_attr VS_spdp_type): Delete.
2364         (*vsx_sqrt<mode>2): Adjust.
2365         (vsx_<VS_spdp_insn>): Delete, split to...
2366         (vsx_xscvdpsp): ... this.  New.  And...
2367         (vsx_xvcvspdp): ... this.  New.  And...
2368         (vsx_xvcvdpsp): ... this.  New.
2370 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2372         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
2373         and V2DF.
2374         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
2375         (rest of file): Adjust.
2377 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2379         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
2380         (vsx_extract_<mode>_var): Ditto.
2382 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2384         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
2385         with just "wa".
2387 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2389         * config/rs6000/constraints.md (define_register_constraint "ww"):
2390         Delete.
2391         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2392         (rs6000_init_hard_regno_mode_ok): Adjust.
2393         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2394         RS6000_CONSTRAINT_ww.
2395         * config/rs6000/rs6000.md: Adjust.
2396         * config/rs6000/vsx.md: Adjust.
2397         * doc/md.texi (Machine Constraints): Adjust.
2399 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2401         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
2402         (define_mode_attr sd): New.
2403         (define_mode_attr s): New.
2404         (define_mode_attr Ftrad): Delete.
2405         (define_mode_attr Fvsx): Delete.
2406         (define_mode_attr Fs): Delete.
2407         (rest of file): Use the new mode attributes.
2408         * config.rs6000/vsx.md: Use the new mode attributes.
2410 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2412         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
2413         with just "wa".
2415 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2417         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
2418         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
2419         used with VSX_B, VSX_D, or VSX_F, with just "wa".
2421 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
2423         PR target/78263
2424         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
2425         C++ with strict ANSI requirements.
2427 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
2429         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
2430         computations when step is 1.
2432 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2434         * config/rs6000/constraints.md (define_register_constraint "wf"):
2435         Delete.
2436         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2437         (rs6000_init_hard_regno_mode_ok): Adjust.
2438         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2439         RS6000_CONSTRAINT_wf.
2440         * config/rs6000/rs6000.md: Adjust.
2441         * config/rs6000/vsx.md: Adjust.
2442         * doc/md.texi (Machine Constraints): Adjust.
2444 2019-06-04  Andrew Pinski  <apinski@marvell.com>
2446         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
2447         Fix ILP32 value.
2449 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2451         * config/rs6000/constraints.md (define_register_constraint "wd"):
2452         Delete.
2453         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2454         (rs6000_init_hard_regno_mode_ok): Adjust.
2455         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2456         RS6000_CONSTRAINT_wd.
2457         * config/rs6000/rs6000.md: Adjust.
2458         * config/rs6000/vsx.md: Adjust.
2459         * doc/md.texi (Machine Constraints): Adjust.
2461 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2463         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
2464         (rest of file): Adjust.
2466 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2468         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
2469         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
2470         (vsx_splat_<mode>_reg): Adjust.
2472 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2474         * config/rs6000/constraints.md (define_register_constraint "ws"):
2475         Delete.
2476         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2477         (rs6000_init_hard_regno_mode_ok): Adjust.
2478         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2479         RS6000_CONSTRAINT_ws.
2480         * config/rs6000/rs6000.md: Adjust.
2481         * config/rs6000/vsx.md: Adjust.
2482         * doc/md.texi (Machine Constraints): Adjust.
2484 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2486         * config/rs6000/constraints.md (define_register_constraint "wv"):
2487         Delete.
2488         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2489         (rs6000_init_hard_regno_mode_ok): Adjust.
2490         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2491         RS6000_CONSTRAINT_wv.
2492         * config/rs6000/rs6000.md: Adjust.
2493         * config/rs6000/vsx.md: Adjust.
2494         * doc/md.texi (Machine Constraints): Adjust.
2496 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
2498         * config/rs6000/constraints.md (define_register_constraint "wi"):
2499         Delete.
2500         (define_register_constraint "wt"): Delete.
2501         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2502         (rs6000_init_hard_regno_mode_ok): Adjust.
2503         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2504         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
2505         * config/rs6000/rs6000.md: Adjust.
2506         * config/rs6000/vsx.md: Adjust.
2507         * doc/md.texi (Machine Constraints): Adjust.
2509 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
2511         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
2512         const.
2513         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
2514         default_elf_asm_output_external.
2516 2019-06-04  Martin Liska  <mliska@suse.cz>
2518         * ipa-icf.c (INCLUDE_LIST): Remove.
2519         (sem_item_optimizer::execute): Remove call to init_wpa.
2520         * ipa-icf.h (init_wpa): Remove.
2522 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
2524         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
2525         conditional on combined for simd.
2526         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
2527         member.
2528         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
2529         constructs, don't remove lastprivate_conditional_map, but instead set
2530         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
2531         to parent construct temporaries.
2532         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
2533         like !ctx->lastprivate_conditional_map.
2534         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
2535         use up->outer context instead of up.
2536         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
2537         gimple_omp_for_combined_p.
2538         (expand_omp_for_static_nochunk): Likewise.
2539         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
2540         probably moved over into expand_omp_for_generic rather than being copied
2541         there.
2543 2019-06-04  Martin Liska  <mliska@suse.cz>
2545         * value-prof.c (dump_histogram_value): Fix typo.
2546         (gimple_mod_subtract_transform): Likewise.
2548 2019-06-04  Richard Biener  <rguenther@suse.de>
2550         PR middle-end/90726
2551         * tree-chrec.c (chrec_contains_symbols): Add to visited.
2552         (tree_contains_chrecs): Likewise.
2553         (chrec_contains_symbols_defined_in_loop): Move here and avoid
2554         exponential behaivor from ...
2555         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2556         ... here.
2557         (expression_expensive_p): Avoid exponential behavior and compute
2558         expanded size, rejecting any expansion.
2559         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
2560         (idx_contains_abnormal_ssa_name_p): Likewise.
2561         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
2562         (contains_abnormal_ssa_name_p): Simplify and use
2563         walk_tree_without_duplicates.
2565 2019-06-04  Richard Biener  <rguenther@suse.de>
2567         PR tree-optimization/90738
2568         Revert
2569         2019-06-03  Richard Biener  <rguenther@suse.de>
2571         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
2572         full reference tree and record in ref->ref.
2573         (vn_reference_lookup_3): Pass in original ref to
2574         ao_ref_init_from_vn_reference.
2575         (vn_reference_lookup): Likewise.
2576         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
2577         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
2578         Handle non-decl bases in the original reference.
2580 2019-06-04  Martin Liska  <mliska@suse.cz>
2582         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
2583         number of references.
2584         (sem_item_optimizer::do_congruence_step):
2585         (sem_item_optimizer::worklist_push): Dump how references
2586         a class has.
2587         (sem_item_optimizer::worklist_pop): Use heap.
2588         (sem_item_optimizer::process_cong_reduction): Likewise.
2589         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
2591 2019-06-04  Martin Liska  <mliska@suse.cz>
2593         * ipa-icf.h (struct sem_usage_pair_hash): New.
2594         (sem_usage_pair_hash::hash): Likewise.
2595         (sem_usage_pair_hash::equal): Likewise.
2596         (struct sem_usage_hash): Likewise.
2597         * ipa-icf.c (sem_item::sem_item): Initialize
2598         referenced_by_count.
2599         (sem_item::add_reference): Register a reference
2600         in ref_map and not in target->usages.
2601         (sem_item::setup): Remove initialization of
2602         dead vectors.
2603         (sem_item::~sem_item): Remove usage of dead vectors.
2604         (sem_item::dump): Remove dump of references.
2605         (sem_item_optimizer::sem_item_optimizer): Initialize
2606         m_references.
2607         (sem_item_optimizer::read_section): Remove useless
2608         dump.
2609         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
2610         (sem_item_optimizer::build_graph): Pass m_references
2611         to ::add_reference.
2612         (sem_item_optimizer::verify_classes): Remove usage of dead
2613         vectors.
2614         (sem_item_optimizer::traverse_congruence_split): Return true
2615         when a class is split.
2616         (sem_item_optimizer::do_congruence_step_for_index): Use
2617         hash_map for look up of (sem_item *, index). That brings
2618         significant speed up.
2619         (sem_item_optimizer::do_congruence_step): Return true
2620         when a split is done.
2621         (congruence_class::is_class_used): Use referenced_by_count.
2623 2019-06-04  Alan Modra  <amodra@gmail.com>
2625         PR target/90689
2626         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
2627         error.
2629 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
2631         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
2632         * config/rs6000/rs6000.c (direct_move_p): Adjust.
2633         (rs6000_secondary_reload_simple_move): Adjust.
2634         (rs6000_opt_masks): Neuter the "mfpgpr" option.
2635         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
2636         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
2637         comment.
2638         (power6x): Adjust.
2639         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
2640         (floatunssi<mode>2_lfiwzx): Adjust.
2641         (fix_trunc<mode>si2_stfiwx): Adjust.
2642         (fixuns_trunc<mode>si2_stfiwx): Adjust.
2643         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
2644         (mfpgpr): Mark as deprecated.
2645         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
2646         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
2647         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
2649 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
2651         * config/rs6000/constraints.md (define_register_constraint "wg"):
2652         Delete.
2653         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2654         RS6000_CONSTRAINT_wg.
2655         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2656         (rs6000_init_hard_regno_mode_ok): Adjust.
2657         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
2658         Delete "wg" alternatives.
2659         * doc/md.texi (Machine Constraints): Adjust.
2661 2019-06-03  Alan Modra  <amodra@gmail.com>
2663         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
2664         (get_uncond_jump_length): Assert length less than INT_MAX and
2665         non-negative.
2667 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
2669         PR middle-end/64242
2670         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
2671         block.
2672         (expand_builtin_nonlocal_goto): Likewise.
2674 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
2676         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
2677         (aarch64_asm_output_external): Declare.
2678         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
2679         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
2680         (aarch64_asm_output_alias): New.
2681         (aarch64_asm_output_external): New.
2682         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2683         (ASM_OUTPUT_EXTERNAL): Define.
2685 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
2686         * tree-vrp.h (value_range_base::nonzero_p): New.
2687         (value_range_base::set_nonnull): Rename to...
2688         (value_range_base::set_nonzero): ...this.
2689         (value_range_base::set_null): Rename to...
2690         (value_range_base::set_zero): ...this.
2691         (value_range::set_nonnull): Remove.
2692         (value_range::set_null): Remove.
2693         * tree-vrp.c (range_is_null): Remove.
2694         (range_is_nonnull): Remove.
2695         (extract_range_from_binary_expr): Use value_range_base::*zero_p
2696         instead of range_is_*null.
2697         (extract_range_from_unary_expr): Same.
2698         (value_range_base::set_nonnull): Rename to...
2699         (value_range_base::set_nonzero): ...this.
2700         (value_range::set_nonnull): Remove.
2701         (value_range_base::set_null): Rename to...
2702         (value_range_base::set_zero): ...this.
2703         (value_range::set_null): Remove.
2704         (extract_range_from_binary_expr): Rename set_*null uses to
2705         set_*zero.
2706         (extract_range_from_unary_expr): Same.
2707         (union_helper): Same.
2708         * vr-values.c (get_value_range): Use set_*zero instead of
2709         set_*null.
2710         (vr_values::extract_range_from_binary_expr): Same.
2711         (vr_values::extract_range_basic): Same.
2713 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
2715         PR driver/90684
2716         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
2718 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2720         * config/aarch64/iterators.md (MAX_OPP): New code attr.
2721         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
2722         (aarch64_<su>abd<mode>_3): ... This.
2723         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
2725 2019-06-03  Richard Biener  <rguenther@suse.de>
2727         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
2728         full reference tree and record in ref->ref.
2729         (vn_reference_lookup_3): Pass in original ref to
2730         ao_ref_init_from_vn_reference.
2731         (vn_reference_lookup): Likewise.
2732         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
2733         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
2734         Handle non-decl bases in the original reference.
2736 2019-06-03  Martin Liska  <mliska@suse.cz>
2738         * doc/generic.texi: Remove Java Trees.
2740 2019-06-03  Martin Liska  <mliska@suse.cz>
2742         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
2743         returns 0 when operands are equal.
2745 2019-06-03  Richard Biener  <rguenther@suse.de>
2747         PR tree-optimization/90716
2748         * tree-loop-distribution.c (destroy_loop): Process blocks in
2749         correct order.
2751 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2753         PR target/88837
2754         * vector-builder.h (vector_builder::count_dups): New method.
2755         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
2756         Declare prototype.
2757         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
2758         (vec_init<mode><Vel>): New pattern.
2759         * config/aarch64/aarch64.c (emit_insr): New function.
2760         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
2761         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
2762         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
2763         (aarch64_sve_expand_vector_init): Define two overloaded functions.
2765 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2767         PR tree-optimization/90681
2768         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
2769         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
2770         special case for SLP, but fail on non-groupped loads.
2772 2019-06-03  Martin Liska  <mliska@suse.cz>
2774         * cfg.c (debug): Use TDF_DETAILS for debug and
2775         print edge info only once.
2777 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
2779         PR fortran/90539
2780         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
2782 2019-06-01  Martin Sebor  <msebor@redhat.com>
2784         PR middle-end/90694
2785         * tree-pretty-print.c (dump_generic_node): Add parentheses.
2787 2019-05-31  Jan Hubicka  <jh@suse.cz>
2789         * alias.c: Include ipa-utils.h.
2790         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
2791         * ipa-devirt.c (prevailing_odr_type): New.
2792         * ipa-utils.h (previaling_odr_type): Declare.
2794 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
2795             Hongtao Liu  <hongtao.liu@intel.com>
2797         PR target/89355
2798         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
2799         NOTE_INSN_DELETED_LABEL check.
2801 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
2802             Robert Suchanek  <robert.suchanek@mips.com>
2804         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
2805         and 3rd operands of the fmadd/fmsub/maddv builtin.
2807 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
2809         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
2810         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
2811         on OMP_SIMD if not nested inside of worksharing loop that also has
2812         lastprivate conditional clause for the same decl.
2813         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
2814         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
2815         on simd.
2816         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
2817         on simd construct.
2818         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
2819         on simd construct.
2820         (lower_lastprivate_clauses): Likewise.
2821         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
2822         calling lower_rec_input_clauses.
2823         (lower_omp_for): Likewise.
2824         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
2825         clause on simd construct.
2826         * omp-expand.c (expand_omp_simd): Initialize cond_var if
2827         OMP_CLAUSE__CONDTEMP_ clause is present.
2829         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
2830         ivar and lvar.
2832 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
2834         PR c/43673
2835         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
2836         TEX_D32, TEX_D64 or TEX_D128.
2838 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
2840         * match.pd (~(vec?cst1:cst2)): New transformation.
2842 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
2844         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
2845         ((size_t)(A /[ex] B) CMP C): New transformation.
2847 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
2849         * doc/md.texi: Document define_insn_and_rewrite.
2850         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
2851         * gensupport.c (queue_elem): Update comment.
2852         (replace_operands_with_dups): New function.
2853         (gen_rewrite_sequence): Likewise.
2854         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
2855         * read-rtl.c (apply_subst_iterator): Likewise.
2856         (add_condition_to_rtx, named_rtx_p): Likewise.
2857         (rtx_reader::read_rtx_operand): Likewise.
2858         * config/aarch64/aarch64-sve.md
2859         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
2860         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
2861         define_insn_and_rewrite.
2862         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
2863         Remove separate define_split.
2865 2019-05-31  Jan Hubicka  <jh@suse.cz>
2867         * tree-ssa-alias.c (type_has_components_p): New function.
2868         (aliasing_component_refs_p): Use it.
2870 2019-05-31  Martin Liska  <mliska@suse.cz>
2872         * gdbhooks.py: Add const_tree to TreePrinter.
2874 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
2876         PR debug/86964
2877         * common.opt (feliminate-unused-debug-symbols): Enable by default.
2878         * doc/invoke.texi (Debugging Options): Document new default of
2879         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
2881 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
2883         PR tree-optimization/90671
2884         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
2885         template_block used to be empty on the first call, don't use
2886         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
2887         seq with bb_seq and set it with set_bb_seq.
2889 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
2891         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
2893 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
2894             Michael Meissner  <meissner@linux.ibm.com>
2896         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
2897         (prefixed_mem_operand): Likewise.
2898         (non_prefixed_mem_operand): Likewise.
2899         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
2900         prototype.
2901         * config/rs6000/rs6000.c (print_operand_address): Handle
2902         PC-relative addresses.
2903         (mode_supports_prefixed_address_p): New function.
2904         (rs6000_prefixed_address): New function.
2905         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
2906         (SYMBOL_REF_PCREL_P): Likewise.
2908 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
2910         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
2911         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
2912         (gimplify_omp_for): If worksharing loop with lastprivate conditional
2913         is nested inside of parallel region, add _condtemp_ clause to both.
2914         * tree-nested.c (convert_nonlocal_omp_clauses,
2915         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
2916         assertion failure.
2917         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
2918         member.
2919         * omp-general.c (omp_extract_for_data): Compute it.
2920         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
2921         (lower_rec_input_clauses): Likewise.
2922         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
2923         clause is already present, just add one further one after it.
2924         (lower_lastprivate_clauses): Handle cond_ptr with array type.
2925         (lower_send_shared_vars): Clear _condtemp_ vars.
2926         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
2927         or section or taskgroup.
2928         * omp-expand.c (determine_parallel_type): Disallow combining only if
2929         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
2930         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
2931         (expand_omp_for_generic, expand_omp_for_static_nochunk,
2932         expand_omp_for_static_chunk, expand_omp_for): Use
2933         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
2934         determine if a special set of API routines are needed and if condtemp
2935         needs to be initialized, while always initialize cond_var if
2936         fd->lastprivate_conditional is non-zero.
2938 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
2939             Michael Meissner  <meissner@linux.ibm.com>
2941         * config/rs6000/constraints.md (eI): New constraint.
2942         * config/rs6000/predicates.md (cint34_operand): New predicate.
2943         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
2944         (SIGNED_34BIT_OFFSET_P): Likewise.
2945         * doc/md.texi (eI): Document constraint.
2947 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
2949         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
2951 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
2952             Michael Meissner  <meissner@linux.ibm.com>
2954         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
2955         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
2956         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
2957         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
2958         (OTHER_FUTURE_MASKS): Likewise.
2959         (POWERPC_MASKS): Likewise.
2960         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
2961         specified without -mprefixed-addr or -mcpu=future.  Error if
2962         -mprefixed-addr is specified without -mcpu=future.
2963         (rs6000_opt_masks): Add entry for prefixed-addr.
2964         * rs6000.opt (mprefixed-addr): New option.
2966 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
2968         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add 
2969         cfun->is_thunk check.
2971 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
2973         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
2974         to length.
2976 2019-05-30  Martin Liska  <mliska@suse.cz>
2978         * gdbinit.in: Fix 'ptc' command.  Add trt
2979         that prints TREE_TYPE($).
2981 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
2982             Alan Modra  <amodra@gmail.com>
2984         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
2985         calls here...
2986         (rs6000_indirect_call_template_1): ...and here.
2987         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
2988         plt16_ha, plt16_lo, mtctr indirect calls.  Use
2989         rs6000_pltseq_enum.
2990         (rs6000_decl_ok_for_sibcall): New function.
2991         (rs6000_function_ok_for_sibcall): Refactor.
2992         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
2993         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
2994         when pcrel.  Reorganize.
2995         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
2996         * rs6000.h (rs6000_pltseq_enum): New enum.
2997         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
2998         (*pltseq_tocsave): Use rs6000_pltseq_enum.
2999         (*pltseq_plt16_ha): Likewise.
3000         (*pltseq_plt16_lo): Likewise.
3001         (*pltseq_mtctr): Likewise.
3002         (*pltseq_plt_pcrel): New insn.
3003         (*call_local_aix): Handle @notoc calls.
3004         (*call_value_local_aix): Likewise.
3005         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
3006         (*call_value_nonlocal_aix): Likewise.
3007         (*call_indirect_pcrel): New insn.
3008         (*call_value_indirect_pcrel): Likewise.
3011 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
3013         * config/i386/sse.md (*save_multiple<mode>): Rename from
3014         save_multiple<mode>.
3015         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
3016         (*restore_multiple_and_return<mode>): Rename from
3017         restore_multiple_and_return<mode>.
3018         (*restore_multiple_leave_return<mode>): Rename from
3019         restore_multiple_leave_return<mode>.
3021 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
3023         * config.gcc (rx-*-linux*): New target.
3024         * config/rx/elf.opt: New file.
3025         * config/rx/linux.h: Likewise.
3026         * config/rx/t-linux: Likewise.
3027         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
3028         make it zero.
3029         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
3030         (ASM_APP_OFF): Likewise.
3031         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
3032         moved elsewhere.
3034 2019-05-29  Jan Hubicka  <jh@suse.cz>
3036         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
3037         variants are pointer equivalent.
3039 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3041         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
3042         * config/aarch64/aarch64-sve2.md: New file.
3043         (<u>avg<mode>3_floor): New pattern.
3044         (<u>avg<mode>3_ceil): Likewise.
3045         (*<sur>h<addsub><mode>): Likewise.
3046         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
3047         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
3049 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
3051         PR bootstrap/90543
3052         * optc-save-gen.awk: In cl_optimization_print, use correct condition
3053         for var_opt_string printing.  In cl_optimization_print_diff, print
3054         (null) instead of invoking undefined behavior if one of the
3055         var_opt_string pointers is NULL and use && instead of first || in the
3056         guarding condition.  For var_target_other options, handle const char *
3057         target variables similarly to const char * optimize node variables.
3059 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
3061         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
3062         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
3063         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
3064         Add autib1716 and pacib1716 initialisation.
3065         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
3066         for autib1716 and pacib1716.
3067         * config/aarch64/aarch64-protos.h (aarch64_key_type,
3068         aarch64_post_cfi_startproc): Define.
3069         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
3070         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
3071         aarch64_handle_pac_ret_protection): Set default sign key to A.
3072         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
3073         aarch64_expand_prologue): Add check for b-key.
3074         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
3075         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
3076         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
3077         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
3078         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
3079         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
3080         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
3081         * config/aarch64/aarch64.md (do_return): Add check for b-key.
3082         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
3083         pauth_hint_num_a with pauth_hint_num.
3084         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
3085         pauth_hint_num_a with pauth_hint_num.
3086         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
3087         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
3088         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
3089         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
3090         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
3091         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
3092         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
3093         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
3094         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
3095         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
3096         UNSPEC_AUTIA1716 respectively.
3097         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
3098         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
3099         * doc/invoke.texi (-mbranch-protection): Add b-key type.
3100         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
3101         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
3103 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
3105         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
3106         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
3107         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
3108         explicit clause on combined parallel into implicit shared clause.
3109         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
3110         and firstprivate if the decl has one too from combined parallel to
3111         the worksharing construct.
3113 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
3114             Michael Meissner  <meissner@linux.ibm.com>
3116         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
3118 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
3120         * rtl.h (LABEL_REF_P): New #define.
3122 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
3124         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
3126 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3128         * internal-fn.c: Marked mask_load_direct as vectorizable.
3129         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
3130         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
3131         combined even if masks different with allow_slp_p param.
3132         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
3133         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
3134         dissolve SLP-only vectorizable groups when SLP has been discarded.
3135         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
3136         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
3137         masks.
3138         (vect_build_slp_tree_1): Fixed comment typo.
3139         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
3140         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
3141         loads for SLP only.
3142         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
3143         vectorizable.
3144         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
3146 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3148         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
3149         Remove obsolete use_thunk reference.
3150         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
3151         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
3152         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
3153         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
3154         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3155         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3156         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3157         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
3158         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
3160 2019-05-28  Nathan Sidwell  <nathan@acm.org>
3162         * tree.h (IDENTIFIER_ANON_P): New.
3163         (anon_aggrname_format, anon_aggname_p): Don't declare.
3164         (make_anon_name): Declare.
3165         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
3166         (hash_tree): Likewise.
3167         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
3168         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
3169         (anon_cnt, make_anon_name): New.
3171 2019-05-28  Martin Liska  <mliska@suse.cz>
3173         PR other/90315
3174         * opts-global.c (decode_options): Print help for all
3175         help_option_arguments.
3176         * opts.c (print_help): Add new argument.
3177         (common_handle_option): Remember all values into
3178         help_option_arguments.
3179         * opts.h (print_help): Add new argument.
3181 2019-05-28  Martin Liska  <mliska@suse.cz>
3183         PR ipa/90555
3184         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
3185         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
3186         (func_checker::compare_bb): Call compare_loops.
3188 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
3190         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
3191         on sections construct.
3192         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
3193         construct.
3194         (lower_omp_sections): Handle lastprivate conditional.
3195         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
3196         lastprivate_conditional_map.
3197         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
3199         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
3200         critical, taskgroup and section regions when looking for a region
3201         with non-NULL lastprivate_conditional_map.
3203 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
3205         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
3206         (*ix86_gen_sub3): Ditto.
3207         (*ix86_gen_sub3_carry): Ditto.
3208         (*ix86_gen_one_cmpl2): Ditto.
3209         (*ix86_gen_andsp): Ditto.
3210         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
3211         (gen_and2_insn): New static function.
3212         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
3213         Use gen_add3_insn instead of ix86_gen_add3.
3214         (ix86_expand_split_stack_prologue): Use gen_add2_insn
3215         instead of ix86_gen_add3.
3216         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
3217         Use gen_sub3_insn instead of ix86_gen_sub3.
3218         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
3219         instead of ix86_gen_add3.
3220         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
3221         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
3222         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
3223         * config/i386/i386-options.c (ix86_option_override_internal):
3224         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
3225         ix86_gen_one_cmpl2 and ix86_gen_andsp.
3227 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
3229         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
3230         and DW_OP_GNU_const_index opcodes.
3232 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
3234         * config/i386/i386.h (STACK_SIZE_MODE): Define.
3236 2019-05-27  Richard Biener  <rguenther@suse.de>
3238         PR tree-optimization/90637
3239         * tree-ssa-sink.c (statement_sink_location): Honor the
3240         computed sink location for single-uses.
3242 2019-05-27  Richard Biener  <rguenther@suse.de>
3244         PR middle-end/90610
3245         * match.pd (vec_perm): Avoid clobbering op0 when not generating
3246         a bit-insert.
3248 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
3250         * config/i386/i386.md (@sub<mode>3_carry): Rename
3251         from sub<mode>3_carry.
3252         (@leave_<mode>): New expander.
3253         (*leave): Rename from leave.
3254         (*leave_rex64): Rename from leave_rex64.
3255         (@monitorx_<mode>): Rename from monitorx_<mode>.
3256         (@clzero_<mode>): Rename from clzero_<mode>.
3257         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
3258         from sse3_monitor_<mode>.
3259         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
3260         (*ix86_gen_leave): Ditto.
3261         (*ix86_gen_monitor): Ditto.
3262         (*ix86_gen_monitorx): Ditto.
3263         (*ix86_gen_clzero): Ditto.
3264         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
3265         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
3266         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
3267         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
3268         Use gen_sse3_monitor instead of ix86_gen_monitor.
3269         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
3270         instead of ix86_gen_monitorx.
3271         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
3272         instead of ix86_gen_clzero.
3273         * config/i386/i386-options.c (ix86_option_override_internal):
3274         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
3275         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
3277 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
3279         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
3280         Rename from tls_global_dynamic_64_<mode>.
3281         (@tls_local_dynamic_base_64_<mode>): Rename from
3282         tls_local_dynamic_base_64_<mode>.
3283         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
3284         Remove indirect function.
3285         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
3286         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
3287         instead of ix86_gen_tls_global_dynamic_64.
3288         Use gen_tls_local_dynamic_base_64 instead of
3289         ix86_gen_tls_local_dynamic_base_64.
3290         * config/i386/i386-options.c (ix86_option_override_internal):
3291         Do not initialize ix86_gen_tls_global_dynamic_64 and
3292         ix86_gen_tls_local_dynamic_base_64.
3294 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
3296         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
3297         Rename from pro_epilogue_adjust_stack_<mode>_add.
3298         (@pro_epilogue_adjust_stack_sub_<mode>)
3299         Rename from pro_epilogue_adjust_stack_<mode>_sub.
3300         (@allocate_stack_worker_probe_<mode>):
3301         Rename from allocate_stack_worker_probe_<mode>.
3302         (allocate_stack): Use gen_allocate_stack_worker_probe.
3303         (probe_stack): Use gen_probe_stack_1.
3304         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
3305         (@adjust_stack_and_probe_<mode>): Rename from
3306         adjust_stack_and_probe<mode>.
3307         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
3308         (stack_protect_set): Use gen_stack_protect_set_1.
3309         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
3310         (stack_protect_test): Use gen_stack_protect_test_1.
3311         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
3312         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
3313         Remove indirect function.
3314         (*ix86_gen_adjust_stack_and_probe): Ditto.
3315         (*ix86_gen_probe_stack_range): Ditto.
3316         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
3317         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
3318         (ix86_adjust_stack_and_probe_stack_clash): Use
3319         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
3320         (ix86_adjust_stack_and_probe): Ditto.
3321         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
3322         of ix86_gen_probe_stack_range.
3323         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
3324         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
3325         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
3326         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
3327         CODE_FOR_stack_protect_test_{si,di}.
3328         * config/i386/i386-options.c (ix86_option_override_internal):
3329         Do not initialize ix86_gen_allocate_stack_worker,
3330         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
3332 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
3334         * doc/invoke.texi (Link Options): Many editorial changes around
3335         -flinker-output.
3337 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3339         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
3340         pre-Solaris 11 referene and most Studio compiler details.
3342 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
3344         PR target/90530
3345         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
3346         DImode to SImode in floating-point registers on 64-bit target.
3347         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
3348         register_operand in xmpyu patterns.
3350 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
3352         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
3353         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
3354         OMP_CLAUSE__REDUCTEMP_.
3355         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
3356         OMP_CLAUSE__CONDTEMP_.
3357         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
3358         * tree-pretty-print.c (dump_omp_clause): Likewise.
3359         * tree-nested.c (convert_nonlocal_omp_clauses,
3360         convert_local_omp_clauses): Likewise.
3361         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
3362         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
3363         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
3364         on OMP_FOR.
3365         (gimplify_omp_for): Warn and disable conditional modifier from
3366         lastprivate on loop iterators.
3367         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
3368         member.
3369         * omp-general.c (omp_extract_for_data): Initialize it.
3370         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
3371         member.
3372         (delete_omp_context): Delete it.
3373         (lower_lastprivate_conditional_clauses): New function.
3374         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
3375         handle lastprivate conditional clauses.
3376         (lower_reduction_clauses): Add CLIST argument, emit it into
3377         the critical section if any.
3378         (lower_omp_sections): Adjust lower_lastprivate_clauses and
3379         lower_reduction_clauses callers.
3380         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
3381         to lower_lastprivate_clauses.
3382         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
3383         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
3384         clist into a critical section if not emitted there already by
3385         lower_reduction_clauses.
3386         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
3387         callers.
3388         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
3389         conditional variables.
3390         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
3391         clause is present.
3392         (expand_omp_for_generic, expand_omp_for_static_nochunk,
3393         expand_omp_for_static_chunk): Handle lastprivate conditional.
3394         (expand_omp_for): Handle fd.lastprivate_conditional like
3395         fd.have_reductemp.
3397 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
3399         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
3400         kernel does not exit cleanly.
3401         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
3403 2019-05-24  Jason Merrill  <jason@redhat.com>
3405         Revert:
3406         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
3408 2019-05-24  Richard Biener  <rguenther@suse.de>
3410         PR testsuite/90607
3411         * tree-loop-distribution.c (struct partition): Add location
3412         member.
3413         (partition_alloc): Initialize all fields.
3414         (generate_memset_builtin): Use the location recorded in the
3415         partition for the generated call.
3416         (generate_memcpy_builtin): Likewise.
3417         (classify_partition): Record the location of a single store
3418         as location for the partition.
3420 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
3422         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
3423         for lo-part.
3425 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
3427         PR target/90588
3428         * common/config/aarch64/aarch64-common.c
3429         (aarch64_rewrite_selected_cpu): Change local temporary variable
3430         type from unsigned long to uint64_t.
3431         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
3432         aarch64_get_extension_string_for_isa_flags): Change declaration to
3433         match new definition by replacing unsigned long with uint64_t.
3435 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
3437         PR target/90568
3438         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
3439         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
3440         Handle stack_protect_test_<mode> codegen similarly to corresponding
3441         sub instruction.
3443 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
3445        * config/i386/darwin.h: Reject -mfentry*.
3446        * doc/sourcebuild.texi: Document mfentry target support.
3448 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
3450         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
3451         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
3452         false for PC-relative functions.
3453         (rs6000_output_function_prologue): Change called function name to
3454         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
3455         name,1" for PC-relative functions.
3456         (rs6000_elf_declare_function_name): Change called function name to
3457         rs6000_global_entry_point_prologue_needed_p.
3459 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
3461         PR target/90552
3462         * config/i386/i386.c (gen_rtx_cost):
3463         Use ix86_tune_cost instead of ix86_cost.
3465 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
3466             Michael Meissner  <meissner@linux.ibm.com>
3467             Segher Boessenkool  <segher@kernel.crashing.org>
3469         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
3470         OPTION_MASK_PCREL.
3471         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
3472         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
3473         (rs6000_fndecl_pcrel_p): Likewise.
3474         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
3475         error if -mpcrel is requested without -mcpu=future.
3476         (rs6000_opt_masks): Add entry for pcrel.
3477         (rs6000_fndecl_pcrel_p): New function.
3478         (rs6000_pcrel_p): Likewise.
3479         * config/rs6000/rs6000.opt (mpcrel): New option.
3480         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
3482 2019-05-23  Jan Hubicka  <jh@suse.cz>
3483             Martin Liska  <mliska@suse.cz>
3485         PR tree-optimization/90576
3486         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
3487         poly_int_tree_p.
3488         (aliasing_component_refs_p): Fix three way size compare conditional;
3489         give up earlier in case we can not decide on equivalence.
3491 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
3492             Michael Meissner  <meissner@linux.ibm.com>
3493             Segher Boessenkool  <segher@kernel.crashing.org>
3495         * config.gcc: Add future cpu.
3496         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
3497         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
3498         #define.
3499         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
3500         (RS6000_CPU): New instantiation for future cpu.
3501         * config/rs6000/rs6000-opts.h (enum processor_type): Add
3502         PROCESSOR_FUTURE.
3503         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
3504         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
3505         * config/rs6000/rs6000-tables.opt: Regenerate.
3506         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
3507         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
3508         (rs6000_machine_from_flags): Handle future cpu.
3509         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
3510         PROCESSOR_POWER9 for now.
3511         (rs6000_adjust_cost): Likewise.
3512         (rs6000_issue_rate): Likewise.
3513         (rs6000_register_move_cost): Likewise.
3514         (rs6000_opt_masks): Add entry for future.
3515         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
3516         (MASK_FUTURE): New #define.
3517         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
3518         * config/rs6000/rs6000.opt (mfuture): New target option.
3519         * doc/invoke.texi (mcpu): Add future cpu.
3521 2019-05-23  Martin Liska  <mliska@suse.cz>
3523         PR c++/90587
3524         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
3525         operation points to a temporary (pointed via tree_to_wide_ref)
3526         that is out of scope after the &.
3528 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
3530         PR c++/90592
3531         * doc/extend.texi (Function Names): Add missing word.
3533 2019-05-23  Richard Biener  <rguenther@suse.de>
3535         PR tree-optimization/88440
3536         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
3537         at -O[2s]+.
3538         * tree-loop-distribution.c (generate_memset_builtin): Fold the
3539         generated call.
3540         (generate_memcpy_builtin): Likewise.
3541         (distribute_loop): Pass in whether to only distribute patterns.
3542         (prepare_perfect_loop_nest): Also allow size optimization.
3543         (pass_loop_distribution::execute): When optimizing a loop
3544         nest for size allow pattern replacement.
3546 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
3548         PR target/90568
3549         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
3550         of xor.
3552 2019-05-23  Martin Liska  <mliska@suse.cz>
3554         PR sanitizer/90570
3555         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
3556         expression similarly to gimplify_decl_expr.
3558 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3560         * cse.c (cse_dump_path): s/dump_file/f.
3562 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
3564         PR c++/90462
3565         * diagnostic-format-json.cc: Include "selftest.h".
3566         (json_from_expanded_location): Only add "file" key for non-NULL
3567         file strings.
3568         (json_from_location_range): Don't add "start" and "finish"
3569         children if they are UNKNOWN_LOCATION.
3570         (selftest::test_unknown_location): New selftest.
3571         (selftest::test_bad_endpoints): New selftest.
3572         (selftest::diagnostic_format_json_cc_tests): New function.
3573         * json.cc (json::object::get): New function.
3574         (selftest::test_object_get): New selftest.
3575         (selftest::json_cc_tests): Call it.
3576         * json.h (json::object::get): New decl.
3577         * selftest-run-tests.c (selftest::run_tests): Call
3578         selftest::diagnostic_format_json_cc_tests.
3579         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
3580         decl.
3582 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
3583             Andrew Stubbs  <amd@codesourcery.com>
3585         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
3586         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
3587         (kernel): Rename to...
3588         (main_kernel): ... this.
3589         (load_image): Load _init_array and _fini_array kernels.
3590         (run): Add argument for kernel to run.
3591         (main): Run init_array_kernel before main_kernel, and
3592         fini_array_kernel after.
3593         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
3594         amdgpu_hsa_kernel attribute on functions.
3595         (gcn_disable_constructors): Delete.
3596         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
3597         * config/gcn/crt0.c (size_t): Define.
3598         (_init_array, _fini_array): New.
3599         (__preinit_array_start, __preinit_array_end,
3600         __init_array_start, __init_array_end,
3601         __fini_array_start, __fini_array_end): Declare weak references.
3603 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
3605         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
3607 2019-05-22  Jason Merrill  <jason@redhat.com>
3609         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
3611 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
3613         PR target/88483
3614         * config/i386/i386-options.c (ix86_init_machine_status): Set
3615         stack_frame_required to true.
3616         * config/i386/i386.c (ix86_get_frame_size): New function.
3617         (ix86_frame_pointer_required): Replace get_frame_size with
3618         ix86_get_frame_size.
3619         (ix86_compute_frame_layout): Likewise.
3620         (ix86_find_max_used_stack_alignment): Changed to void.  Set
3621         stack_frame_required.
3622         (ix86_finalize_stack_frame_flags): Always call
3623         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
3624         ix86_get_frame_size.
3625         * config/i386/i386.h (machine_function): Add stack_frame_required.
3627 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
3629         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
3631 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
3633         * common/config/aarch64/aarch64-common.c
3634         (struct aarch64_option_extension, struct processor_name_to_arch,
3635         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
3636         aarch64_contains_opt,
3637         aarch64_get_extension_string_for_isa_flags): Change type of
3638         variables storing flags to uint64_t.
3639         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
3640         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
3641         * config/aarch64/aarch64.c (struct processor,
3642         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
3643         aarch64_validate_march, aarch64_override_options,
3644         aarch64_option_print, aarch64_handle_attr_isa_flags,
3645         aarch64_declare_function_name, aarch64_start_file): Make flag
3646         variables uint64_t.
3647         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
3648         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
3649         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
3650         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
3651         * config/aarch64/driver-aarch64.c
3652         (struct aarch64_arch_extension, struct aarch64_core_data,
3653         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
3654         flag variables uint64_t.
3655         * doc/invoke.texi: Add documentation for new arguments.
3657 2019-05-22  Richard Biener  <rguenther@suse.de>
3659         * alias.c (ao_ref_from_mem): Move stack-slot sharing
3660         rewrite ...
3661         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
3663 2019-05-22  Martin Liska  <mliska@suse.cz>
3665         PR lto/90500
3666         * doc/extend.texi: Document the change.
3668 2019-05-22  Richard Biener  <rguenther@suse.de>
3670         PR tree-optimization/90450
3671         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
3672         (mem_ref_hasher::equal): Check it.
3673         (mem_ref_alloc): Initialize it.
3674         (gather_mem_refs_stmt): Set it.
3676 2019-05-22  Richard Biener  <rguenther@suse.de>
3678         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
3679         Add ABS_EXPR.
3680         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
3681         as ABSU_EXPR.
3683 2019-05-22  Alan Modra  <amodra@gmail.com>
3685         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
3686         (ASM_CPU_SPEC): Conditionally add -many.
3687         * config/rs6000/rs6000.c (rs6000_machine): New static var.
3688         (rs6000_machine_from_flags, emit_asm_machine): New functions..
3689         (rs6000_file_start): ..extracted from here, and modified to
3690         test all ISA bits.
3691         (rs6000_output_function_prologue): Emit .machine as necessary.
3692         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
3693         power mnemonics.
3694         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
3695         added by check_vect_support_and_set_flags.
3696         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
3697         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
3699 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
3701         PR middle-end/90553
3702         * ira-lives.c (process_bb_node_lives): Consider defs
3703         for a call insn to be die before the call, not after.
3705         * function.c (assign_parm_setup_block): Raise alignment of
3706         stacked parameter only for STRICT_ALIGNMENT targets.
3708 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3710         * config/rs6000/constraints.md (define_register_constraint "wz"):
3711         Delete.
3712         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3713         RS6000_CONSTRAINT_wz.
3714         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3715         (rs6000_init_hard_regno_mode_ok): Adjust.
3716         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
3717         * doc/md.texi (Machine Constraints): Adjust.
3719 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3721         * config/rs6000/constraints.md (define_register_constraint "wl"):
3722         Delete.
3723         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3724         RS6000_CONSTRAINT_wl.
3725         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3726         (rs6000_init_hard_regno_mode_ok): Adjust.
3727         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
3728         * doc/md.texi (Machine Constraints): Adjust.
3730 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3732         * config/rs6000/constraints.md (define_register_constraint "wm"):
3733         Delete.
3734         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3735         RS6000_CONSTRAINT_wm.
3736         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3737         (rs6000_init_hard_regno_mode_ok): Adjust.
3738         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
3739         * doc/md.texi (Machine Constraints): Adjust.
3741 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3743         * config/rs6000/constraints.md (define_register_constraint "wk"):
3744         Delete.
3745         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3746         RS6000_CONSTRAINT_wk.
3747         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3748         (rs6000_init_hard_regno_mode_ok): Adjust.
3749         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
3750         * doc/md.texi (Machine Constraints): Adjust.
3752 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3754         * config/rs6000/constraints.md (define_register_constraint "wj"):
3755         Delete.
3756         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3757         RS6000_CONSTRAINT_wj.
3758         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3759         (rs6000_init_hard_regno_mode_ok): Adjust.
3760         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
3761         (VS_64dm): Delete.
3762         * config/rs6000/vsx.md: Ditto.
3763         * doc/md.texi (Machine Constraints): Adjust.
3765 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3767         * config/rs6000/constraints.md (define_register_constraint "wh"):
3768         Delete.
3769         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3770         RS6000_CONSTRAINT_wh.
3771         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3772         (rs6000_init_hard_regno_mode_ok): Adjust.
3773         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
3774         * doc/md.texi (Machine Constraints): Adjust.
3776 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
3778         PR target/90547
3779         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3780         Avoid calling gen_lowpart with CONST operand.
3782 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
3784         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
3785         field template_last_to_copy.
3786         (ssa_create_duplicates): Set it, and use it.  Attempt to
3787         preserve more debug stmts.
3789 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
3791         * config/i386/sse.md (VF1_AVX2): New mode iterator.
3792         (signbit<mode>2): New expander
3794 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
3796         PR bootstrap/87338
3797         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
3798         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
3800 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
3802         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
3803         %ebx and %ecx bafore calling cpuid with leaf 1 or
3804         non-constant leaf argument.
3806 2019-05-21  Alan Modra  <amodra@gmail.com>
3808         PR target/90545
3809         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
3810         power9 direct move cost.
3811         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
3812         Correct comments and rename functions to suit parameters.
3814 2019-05-21  Richard Biener  <rguenther@suse.de>
3816         PR middle-end/90510
3817         * fold-const.c (fold_read_from_vector): New function.
3818         * fold-const.h (fold_read_from_vector): Declare.
3819         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
3820         single-element insert permutations.  Canonicalize selector
3821         further and fix issue with last commit.
3823 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
3825         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
3826         parameter with default value false to declaration.
3827         (split_edges_for_insertion): New inline function.  Wrapper for
3828         split_critical_edges with for_edge_insertion_p = true.
3829         * tree-cfg.c (split_critical_edges): Don't split non-critical
3830         edges if for_edge_insertion_p is false.  Fix whitespace.
3831         * tree-ssa-pre.c (pass_pre::execute): Call
3832         split_edges_for_insertion instead of split_critical_edges.
3833         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
3834         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
3835         (pass_data_sink_code): Update function name in the comment.
3837 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
3839         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
3840         around is_value_included_in that knows how to handle BIT_AND_EXPR.
3841         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
3842         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
3843         positives.
3845 2019-05-21  Martin Liska  <mliska@suse.cz>
3847         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
3848         an extra newline.
3849         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
3850         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
3851         vec_lvsr.
3852         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3853         Quote a C type.
3854         (rs6000_function_arg): Likewise.
3855         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
3856         (rs6000_expand_ternop_builtin): Use interval syntax.
3857         (get_element_number): Likewise.
3858         (altivec_expand_builtin): Likewise.
3859         (rs6000_get_function_versions_dispatcher): Quote target_clones.
3861 Fix test-suite.
3863 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
3865         PR c++/59813
3866         PR target/90418
3867         * function.h (struct function): Add calls_eh_return member.
3868         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
3869         gimplifying __builtin_eh_return call.
3870         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
3871         to cfun.
3872         (expand_call_inline): Or in src_cfun->calls_eh_return into
3873         dst_cfun->calls_eh_return.
3874         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
3875         cfun->calls_eh_return.
3876         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
3877         * lto-streamer-out.c (output_struct_function_base): Write
3878         calls_eh_return.
3880 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
3882         PR rtl-optimization/43147
3883         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
3884         IX86_BUILTIN_SHUFPD.
3886 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
3888         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
3889         (refs_may_alias_p_1): ... here; update stats.
3890         (refs_may_alias_p): Do not update stats here.
3892 2019-05-20  Richard Biener  <rguenther@suse.de>
3894         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
3895         doesn't produce pointers.
3896         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
3897         the first operand points to.
3899 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
3901         * tree-ssa-alias.c (compare_sizes): New function.
3902         (sompare_type_sizes): New function
3903         (aliasing_component_refs_p): Use it.
3904         (indirect_ref_may_alias_decl_p): Likewise.
3906 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3908         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
3910 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3912         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
3913         (LIBLSAN_EARLY_SPEC): Likewise.
3914         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
3916 2019-05-20  Martin Liska  <mliska@suse.cz>
3918         * config/i386/i386.c (ix86_libc_has_fast_function):
3919         Add ATTRIBUTE_UNUSED for the argument.
3921 2019-05-20  Richard Biener  <rguenther@suse.de>
3923         * gimple-match-head.c: Include vec-perm-indices.h.
3924         * generic-match-head.c: Likewise.
3925         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
3926         is included.
3927         * fold-const.c (fold_vec_perm): Export.
3928         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
3929         (match.pd): ...here.
3931 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
3933         * cfgloop.h (struct loop): Add simdlen member.
3934         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
3935         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
3936         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
3937         as new argument to autovectorize_vector_sizes target hook.  If
3938         loop->simdlen, pick up vector size where the vectorization factor
3939         is equal to loop->simd, and if there is none, fall back to the first
3940         successful one.
3941         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
3942         caller.
3943         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3944         * omp-general.c (omp_max_vf): Likewise.
3945         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
3946         * tree-vect-slp.c (vect_slp_bb): Likewise.
3947         * target.def (autovectorize_vector_sizes): Add ALL argument and
3948         document it.
3949         * doc/tm.texi: Adjust documentation.
3950         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
3951         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
3952         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
3953         bool argument.
3954         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
3955         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
3956         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
3957         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
3958         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
3959         preferred vector size is not 512-bit or 256-bit, just put those
3960         unpreferred ones last.
3962 2019-05-20  Martin Liska  <mliska@suse.cz>
3964         * targhooks.c (default_libc_has_fast_function): New function.
3965         * targhooks.h (default_libc_has_fast_function): Likewise.
3967 2019-05-20  Martin Liska  <mliska@suse.cz>
3969         PR middle-end/90263
3970         * builtins.c (expand_builtin_memory_copy_args): When having a
3971         target with fast mempcpy implementation do now use memcpy.
3972         * config/i386/i386.c (ix86_libc_has_fast_function): New.
3973         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
3974         * doc/tm.texi: Likewise.
3975         * doc/tm.texi.in: Likewise.
3976         * target.def:
3977         * expr.c (emit_block_move_hints): Add 2 new arguments.
3978         * expr.h (emit_block_move_hints): Bail out when libcall
3979         to memcpy would be used.
3981 2019-05-20  Martin Liska  <mliska@suse.cz>
3983         * profile-count.c: Add vertical spacing in order
3984         to separate functions.
3985         * profile-count.h: Likewise.
3987 2019-05-20  Martin Liska  <mliska@suse.cz>
3989         * profile-count.h: Do not use full qualified
3990         names if possible.
3991         * profile-count.c (profile_count::to_frequency): Likewise.
3993 2019-05-20  Martin Liska  <mliska@suse.cz>
3995         * profile-count.h (enum profile_quality): Use capital letters
3996         for enum value names.  Use the adjusted names.
3997         * profile-count.c: Use the adjusted names.
3999 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4001         * config/rs6000/constraints.md (define_register_constraint "wH"):
4002         Delete.
4003         (define_register_constraint "wI"): Delete.
4004         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4005         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
4006         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4007         (rs6000_init_hard_regno_mode_ok): Adjust.
4008         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
4009         resp. "d", or with "wa" as appropriate, all with "p8v".
4010         * config/rs6000/vsx.md: Ditto.
4011         * doc/md.texi (Machine Constraints): Adjust.
4013 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4015         * config/rs6000/constraints.md (define_register_constraint "wy"):
4016         Delete.
4017         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4018         RS6000_CONSTRAINT_wy.
4019         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4020         (rs6000_init_hard_regno_mode_ok): Adjust.
4021         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
4022         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
4023         (define_mode_attr Fisa): New.
4024         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
4025         * doc/md.texi (Machine Constraints): Adjust.
4027 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4029         * config/rs6000/constraints.md (define_register_constraint "wu"):
4030         Delete.
4031         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4032         RS6000_CONSTRAINT_wu.
4033         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4034         (rs6000_init_hard_regno_mode_ok): Adjust.
4035         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
4036         both with "p8v".
4037         (define_mode_attr Fa): Delete.
4038         * config/rs6000/vsx.md: Ditto.
4039         * doc/md.texi (Machine Constraints): Adjust.
4041 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4043         * config/rs6000/constraints.md (define_register_constraint "wJ"):
4044         Delete.
4045         (define_register_constraint "wK"): Delete.
4046         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4047         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
4048         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4049         (rs6000_init_hard_regno_mode_ok): Adjust.
4050         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
4051         Replace "wK" constraint by "wH" with "p9v".
4052         * config/rs6000/vsx.md: Ditto.
4053         * doc/md.texi (Machine Constraints): Adjust.
4055 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4057         * config/rs6000/constraints.md (define_register_constraint "wb"):
4058         Delete.
4059         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4060         RS6000_CONSTRAINT_wb.
4061         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4062         (rs6000_init_hard_regno_mode_ok): Adjust.
4063         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
4064         * config/rs6000/vsx.md: Ditto.
4065         * doc/md.texi (Machine Constraints): Adjust.
4067 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
4069         * config/rs6000/constraints.md (define_register_constraint "wo"):
4070         Delete.
4071         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
4072         RS6000_CONSTRAINT_wo.
4073         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
4074         (rs6000_init_hard_regno_mode_ok): Adjust.
4075         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
4076         * config/rs6000/altivec.md: Ditto.
4077         * doc/md.texi (Machine Constraints): Adjust.
4079 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
4081         * config/darwin-c.c (darwin_register_objc_includes): Do not
4082         prepend the sysroot when building gnu-runtime header search
4083         paths.
4085 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
4087         * config/darwin.c (darwin_file_end): Use switch_to_section ()
4088         instead of direct output of the asm.
4090 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
4092         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
4093         argument to be type bool (was int before).
4094         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
4095         at first use.  Use type bool for some variables.  Fix a theoretical
4096         eh_return bug for svr4.
4098 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
4100         * config/rs6000/rs6000.md (isa): New attribute.
4101         (enabled): New attribute.
4103 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
4105         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
4106         assemble_start_function and assemble_end_function.
4108 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
4110         PR middle-end/89433
4111         * omp-general.c (oacc_verify_routine_clauses): Change formal
4112         parameters.  Add checking if already marked with an OpenACC
4113         'routine' directive.  Adjust all users.
4115         PR middle-end/89433
4116         * omp-general.c (oacc_build_routine_dims): Move some of its
4117         processing into...
4118         (oacc_verify_routine_clauses): ... this new function.
4119         * omp-general.h (oacc_verify_routine_clauses): New prototype.
4121 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
4123         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
4124         formating of picbase labels to match other ports.
4126 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
4128         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
4129         in the generated code.
4131 2019-05-16  Martin Sebor  <msebor@redhat.com>
4133         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
4134         identifiers, keywords, operators, and types in diagnostics.  Correct
4135         quoting, spelling, and sentence capitalization issues.
4136         (expand_builtin_atomic_is_lock_free): Same.
4137         (fold_builtin_next_arg): Same.
4138         * cfgexpand.c (expand_one_var): Same.
4139         (tree_conflicts_with_clobbers_p): Same.
4140         (expand_asm_stmt): Same.
4141         (verify_loop_structure): Same.
4142         * cgraphunit.c (process_function_and_variable_attributes): Same.
4143         * collect-utils.c (collect_execute): Same.
4144         * collect2.c (maybe_run_lto_and_relink): Same.
4145         (is_lto_object_file): Same.
4146         (scan_prog_file): Same.
4147         * convert.c (convert_to_real_1): Same.
4148         * dwarf2out.c (dwarf2out_begin_prologue): Same.
4149         * except.c (verify_eh_tree): Same.
4150         * gcc.c (execute): Same.
4151         (eval_spec_function): Same.
4152         (run_attempt): Same.
4153         (driver::set_up_specs): Same.
4154         (compare_debug_auxbase_opt_spec_function): Same.
4155         * gcov-tool.c (unlink_gcda_file): Same.
4156         (do_merge): Same.
4157         (do_rewrite): Same.
4158         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
4159         * gimplify.c (gimplify_asm_expr): Same.
4160         (gimplify_adjust_omp_clauses): Same.
4161         * hsa-gen.c (gen_hsa_addr_insns): Same.
4162         (gen_hsa_insns_for_load): Same.
4163         (gen_hsa_cmp_insn_from_gimple): Same.
4164         (gen_hsa_insns_for_operation_assignment): Same.
4165         (gen_get_level): Same.
4166         (gen_hsa_alloca): Same.
4167         (omp_simple_builtin::generate): Same.
4168         (gen_hsa_atomic_for_builtin): Same.
4169         (gen_hsa_insns_for_call): Same.
4170         * input.c (dump_location_info): Same.
4171         * ipa-devirt.c (compare_virtual_tables): Same.
4172         * ira.c (ira_setup_eliminable_regset): Same.
4173         * lra-assigns.c (lra_assign): Same.
4174         * lra-constraints.c (lra_constraints): Same.
4175         * lto-streamer-in.c (lto_input_mode_table): Same.
4176         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
4177         (merge_and_complain): Same.
4178         (compile_offload_image): Same.
4179         (compile_images_for_offload_targets): Same.
4180         (debug_objcopy): Same.
4181         (run_gcc): Same.
4182         (main): Same.
4183         * opts.c (print_specific_help): Same.
4184         (parse_no_sanitize_attribute): Same.
4185         (print_help): Same.
4186         (handle_param): Same.
4187         * plugin.c (add_new_plugin): Same.
4188         (parse_plugin_arg_opt): Same.
4189         (try_init_one_plugin): Same.
4190         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
4191         operators, and types in diagnostics.  Correct quoting and spelling
4192         issues.
4193         * read-rtl-function.c (parse_edge_flag_token): Same.
4194         (function_reader::parse_enum_value): Same.
4195         * reg-stack.c (check_asm_stack_operands): Same.
4196         * regcprop.c (validate_value_data): Same.
4197         * sched-rgn.c (make_pass_sched_fusion): Same.
4198         * stmt.c (check_unique_operand_names): Same.
4199         * targhooks.c (default_target_option_pragma_parse): Same.
4200         * tlink.c (recompile_files): Same.
4201         * toplev.c (process_options): Same.
4202         (do_compile): Same.
4203         * trans-mem.c (diagnose_tm_1): Same.
4204         (ipa_tm_scan_irr_block): Same.
4205         (ipa_tm_diagnose_transaction): Same.
4206         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
4207         format a tree code name in a diagnostic.
4208         (verify_types_in_gimple_min_lval): Same.
4209         (verify_types_in_gimple_reference): Same.
4210         (verify_gimple_call): Same.
4211         (verify_gimple_assign_unary): Same.
4212         (verify_gimple_assign_binary): Same.
4213         (verify_gimple_assign_ternary): Same.
4214         (verify_gimple_assign_single): Same.
4215         (verify_gimple_switch): Same.
4216         (verify_gimple_label): Same.
4217         (verify_gimple_phi): Same.
4218         (verify_gimple_in_seq): Same.
4219         (verify_eh_throw_stmt_node): Same.
4220         (collect_subblocks): Same.
4221         (gimple_verify_flow_info): Same.
4222         (do_warn_unused_result): Same.
4223         * tree-inline.c (expand_call_inline): Same.
4224         * tree-into-ssa.c (update_ssa): Same.
4225         * tree.c (tree_int_cst_elt_check_failed): Same.
4226         (tree_vec_elt_check_failed): Same.
4227         (omp_clause_operand_check_failed): Same.
4228         (verify_type_variant): Same.
4229         (verify_type): Same.
4230         * value-prof.c (verify_histograms): Same.
4231         * varasm.c (assemble_start_function): Same.
4233 2019-05-16  Martin Sebor  <msebor@redhat.com>
4235         * config/i386/i386-expand.c (get_element_number): Quote keywords
4236         and other internal names in diagnostics.  Adjust other diagnostic
4237         formatting issues noted by -Wformat-diag.
4238         * config/i386/i386-features.c
4239         (ix86_mangle_function_version_assembler_name): Same.
4240         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
4241         * config/i386/i386.c (ix86_function_type_abi): Same.
4242         (ix86_function_ms_hook_prologue): Same.
4243         (classify_argument): Same.
4244         (ix86_expand_prologue): Same.
4245         (ix86_md_asm_adjust): Same.
4246         (ix86_memmodel_check): Same.
4248 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
4250         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
4251         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
4252         and fpxx modes.
4254 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
4256         PR target/90497
4257         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
4258         intrinsics without SSE/SSE2/SSSE3.
4259         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
4260         check.
4261         (*mmx_uavgv8qi3): Likewise.
4263 2019-05-17  Richard Biener  <rguenther@suse.de>
4265         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
4266         VEC_PERM_EXPR as __VEC_PERM with -gimple.
4268 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
4270         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
4271         vec_sldw insn pattern.
4273 2019-05-17  Richard Biener  <rguenther@suse.de>
4275         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
4277 2019-05-17  Martin Liska  <mliska@suse.cz>
4279         PR driver/90496
4280         * toplev.c (output_stack_usage): With LTO and sanitizer it
4281         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
4282         has no file location.
4284 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
4286         PR c++/90484
4287         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
4288         sz0 is equal to sz1, instead return false in that case.
4290         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
4291         has non-constant expression, force sctx.lane and use two
4292         argument IFN_GOMP_SIMD_LANE instead of single argument.
4293         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
4294         two argument IFN_GOMP_SIMD_LANE without lhs.
4295         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
4296         member.
4297         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
4298         Define.
4299         (LOOP_REQUIRES_VERSIONING): Or in
4300         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
4301         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
4302         simd_if_cond.
4303         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
4304         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
4305         from simd if clause if needed.
4307 2019-05-16  Richard Biener  <rguenther@suse.de>
4309         * tree-affine.c (expr_to_aff_combination): New function split
4310         out from...
4311         (tree_to_aff_combination): ... here.
4312         (aff_combination_expand): Avoid building a GENERIC tree.
4314 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
4316         * cgraphunit.c (cgraph_node::expand_thunk): Remove
4317         assemble_start_function and assemble_end_function calls.
4318         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
4319         assemble_start_function and assemble_end_function.
4320         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
4321         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
4322         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
4323         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
4324         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
4325         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
4326         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
4327         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
4328         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
4329         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4330         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4331         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
4332         Likewise.
4333         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
4334         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
4335         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
4336         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
4337         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
4338         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
4339         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
4340         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
4341         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
4342         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4343         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4344         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4345         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
4346         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
4347         Likewise.
4348         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
4349         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
4350         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
4352 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
4354         * tree-ssa-alias.c (alias_stats): Add
4355         aliasing_component_refs_p_may_alias and
4356         aliasing_component_refs_p_no_alias.
4357         (dump_alias_stats): Print aliasing_component_refs_p stats.
4358         (aliasing_component_refs_p): Update stats.
4360 2019-05-16  Martin Liska  <mliska@suse.cz>
4362         PR lto/90500
4363         * multiple_target.c (expand_target_clones): Do not allow
4364         target_clones being used with a symbol that is an alias.
4366 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
4368         PR tree-optimization/90394
4369         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
4370         positives rather than ICE for cases where (code2 == NE_EXPR
4371         && code1 == BIT_AND_EXPR).
4373 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
4375         PR fortran/90329
4376         * tree-core.h (struct tree_decl_common): Document
4377         decl_nonshareable_flag for PARM_DECLs.
4378         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
4379         * calls.c (expand_call): Don't try tail call if caller
4380         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
4381         passed on the stack and callee needs to pass any arguments on the
4382         stack.
4383         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
4384         else if instead of series of mutually exclusive ifs.  Handle
4385         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
4386         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
4388         * lto-streamer.h (LTO_major_version): Bump to 9.
4390 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
4392         PR tree-optimization/90106
4393         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
4394         new parameter as new internal function call, also move it to new
4395         basic block.
4396         (use_internal_fn): Pass internal function call to
4397         shrink_wrap_one_built_in_call_with_conds.
4399 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
4401         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
4402         max_vf to 1.
4403         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
4404         safelen_int and set loop->dont_vectorize.
4406 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4408         PR target/89021
4409         * config/i386/i386-builtin.def: Enable MMX intrinsics with
4410         SSE/SSE2/SSSE3.
4411         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
4412         Likewise.
4413         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
4414         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
4415         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
4416         is defined.
4418 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4420         PR target/89021
4421         * config/i386/mmx.md (*vec_dupv2sf): Changed to
4422         define_insn_and_split to support SSE emulation.
4423         (*vec_extractv2sf_0): Likewise.
4424         (*vec_extractv2sf_1): Likewise.
4425         (*vec_extractv2si_0): Likewise.
4426         (*vec_extractv2si_1): Likewise.
4427         (*vec_extractv2si_zext_mem): Likewise.
4428         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
4429         (vec_extractv2sf_1 splitter): Likewise.
4430         (vec_extractv2sfsf): Likewise.
4431         (vec_setv2si): Likewise.
4432         (vec_extractv2si_1 splitter): Likewise.
4433         (vec_extractv2sisi): Likewise.
4434         (vec_setv4hi): Likewise.
4435         (vec_extractv4hihi): Likewise.
4436         (vec_setv8qi): Likewise.
4437         (vec_extractv8qiqi): Likewise.
4438         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
4439         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
4440         (vec_extractv2sisi): Likewise.
4441         (vec_extractv4hihi): Likewise.
4442         (vec_extractv8qiqi): Likewise.
4443         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
4444         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
4445         (vec_initv2sisi): Likewise.
4446         (vec_initv4hihi): Likewise.
4447         (vec_initv8qiqi): Likewise.
4448         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
4449         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
4450         (vec_setv4hi): Likewise.
4451         (vec_setv8qi): Likewise.
4453 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4455         PR target/89021
4456         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
4457         TARGET_MMX_WITH_SSE.
4458         (MMXMODE:*mov<mode>_internal): Likewise.
4459         (MMXMODE:movmisalign<mode>): Likewise.
4461 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
4463         PR target/89021
4464         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
4465         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
4466         (sse2_cvtpd2pi): Ditto.
4467         (sse2_cvttpd2pi): Ditto.
4468         (*vec_concatv2sf_sse4_1): Ditto.
4469         (*vec_concatv2sf_sse): Ditto.
4470         (*vec_concatv2si_sse4_1): Ditto.
4471         (*vec_concatv2si): Ditto.
4472         (*vec_concatv4si_0): Ditto.
4473         (*vec_concatv2di_0): Ditto.
4475 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4477         PR target/89021
4478         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
4480 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4482         PR target/89021
4483         * config/i386/sse.md (ssse3_palignrdi): Changed to
4484         define_insn_and_split to support SSE emulation.
4486 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4488         PR target/89021
4489         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
4491 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4493         PR target/89021
4494         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
4495         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
4496         SSE emulation.
4498 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4500         PR target/89021
4501         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
4502         or TARGET_MMX_WITH_SSE.
4503         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
4505 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4507         PR target/89021
4508         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
4510 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4512         PR target/89021
4513         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
4514         Changed to define_insn_and_split to support SSE emulation.
4516 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4518         PR target/89021
4519         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
4520         Changed to define_insn_and_split to support SSE emulation.
4522 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4524         PR target/89021
4525         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
4526         (*mmx_<emms>): This.
4527         (mmx_<emms>): New expander.
4529 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4531         PR target/89021
4532         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
4533         support.
4534         (*sse2_umulv1siv1di3): Add SSE2 emulation.
4536 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4538         PR target/89021
4539         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
4541 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4543         PR target/89021
4544         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
4546 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4548         PR target/89021
4549         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
4550         TARGET_MMX_WITH_SSE.
4551         (*mmx_uavgv4hi3): Add SSE emulation.
4553 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4555         PR target/89021
4556         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
4557         and TARGET_MMX_WITH_SSE.
4558         (*mmx_uavgv8qi3): Add SSE emulation.
4560 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4562         PR target/89021
4563         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
4564         maskmovdqu for __MMX_WITH_SSE__.
4566 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4568         PR target/89021
4569         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
4570         TARGET_MMX and TARGET_MMX_WITH_SSE.
4571         (*mmx_umulv4hi3_highpart): Add SSE emulation.
4573 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4575         PR target/89021
4576         * config/i386/mmx.md (mmx_pmovmskb): Changed to
4577         define_insn_and_split to support SSE emulation.
4579 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4581         PR target/89021
4582         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
4583         and TARGET_MMX_WITH_SSE.
4584         (mmx_<code>v8qi3): Likewise.
4585         (smaxmin:<code>v4hi3): New.
4586         (umaxmin:<code>v8qi3): Likewise.
4587         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
4588         (umaxmin:*mmx_<code>v8qi3): Likewise.
4590 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4592         PR target/89021
4593         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
4594         TARGET_MMX_WITH_SSE.
4595         (*mmx_pinsrw): Add SSE emulation.
4597 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4599         PR target/89021
4600         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
4602 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4604         PR target/89021
4605         * config/i386/sse.md (sse_cvtpi2ps): Changed to
4606         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
4607         SSE emulation.
4609 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4611         PR target/89021
4612         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
4613         (sse_cvttps2pi): Likewise.
4615 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4617         PR target/89021
4618         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
4619         TARGET_MMX_WITH_SSE.
4620         (mmx_pshufw_1): Add SSE emulation.
4621         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
4622         TARGET_MMX_WITH_SSE to support SSE emulation.
4624 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4626         PR target/89021
4627         * config/i386/constraints.md (Yw): New constraint.
4628         * config/i386/mmx.md (*vec_dupv2si): Changed to
4629         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
4630         support SSE emulation.
4632 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4634         PR target/89021
4635         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
4636         TARGET_MMX_WITH_SSE.
4637         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
4638         support.
4639         (mmx_gt<mode>3): Likewise.
4641 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4643         PR target/89021
4644         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
4645         TARGET_MMX_WITH_SSE.  Add SSE support.
4647 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4649         PR target/89021
4650         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
4651         TARGET_MMX_WITH_SSE.
4652         (any_logic:<code><mode>3): New.
4653         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
4654         Add SSE support.
4656 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4658         PR target/89021
4659         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
4660         TARGET_MMX_WITH_SSE.  Add SSE emulation.
4661         (mmx_<shift_insn><mode>3): Likewise.
4662         (ashr<mode>3): New.
4663         (<shift_insn><mode>3): Likewise.
4665 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4667         PR target/89021
4668         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
4669         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
4671 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4673         PR target/89021
4674         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
4675         TARGET_MMX_WITH_SSE.
4676         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
4677         SSE support.
4679 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4681         PR target/89021
4682         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
4683         TARGET_MMX_WITH_SSE.
4684         (mulv4hi3): New.
4685         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
4686         support.
4688 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4690         PR target/89021
4691         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
4692         (plusminus:mmx_<plusminus_insn><mode>3): Check
4693         TARGET_MMX_WITH_SSE.
4694         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
4695         (<plusminus_insn><mode>3): New.
4696         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
4697         (*mmx_<plusminus_insn><mode>3): Likewise.
4699 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4701         PR target/89021
4702         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
4703         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
4704         prototype.
4705         * config/i386/mmx.m (mmx_punpckhbw): Changed to
4706         define_insn_and_split to support SSE emulation.
4707         (mmx_punpcklbw): Likewise.
4708         (mmx_punpckhwd): Likewise.
4709         (mmx_punpcklwd): Likewise.
4710         (mmx_punpckhdq): Likewise.
4711         (mmx_punpckldq): Likewise.
4713 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4714             Uros Bizjak  <ubizjak@gmail.com>
4716         PR target/89021
4717         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
4718         New function.
4719         (ix86_split_mmx_pack): Likewise.
4720         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
4721         New prototype.
4722         (ix86_split_mmx_pack): Likewise.
4723         * config/i386/i386.md (mmx_isa): New.
4724         (enabled): Also check mmx_isa.
4725         * config/i386/mmx.md (any_s_truncate): New code iterator.
4726         (s_trunsuffix): New code attr.
4727         (mmx_packsswb): Removed.
4728         (mmx_packssdw): Likewise.
4729         (mmx_packuswb): Likewise.
4730         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
4731         MMX packsswb/packuswb with SSE2.
4732         (mmx_packssdw): Likewise.
4733         * config/i386/predicates.md (register_mmxmem_operand): New.
4735 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4737         PR target/89021
4738         * config/i386/i386-c.c (ix86_target_macros_internal): Define
4739         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
4740         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
4741         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
4742         (ix86_vector_mode_supported_p): Likewise.
4743         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
4745 2019-05-15  Martin Liska  <mliska@suse.cz>
4747         PR middle-end/90478
4748         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
4749         Check for overflow.
4751 2019-05-15  Richard Biener  <rguenther@suse.de>
4753         * tree-into-ssa.c (pass_build_ssa::execute): Run
4754         update_address_taken before going into SSA.
4756 2019-05-15  Richard Biener  <rguenther@suse.de>
4758         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
4759         as __BIT_FIELD_REF with type with -gimple.
4761 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
4763         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
4764         semantically equivalent branches (left over after prior refactorings).
4766 2019-05-15  Richard Biener  <rguenther@suse.de>
4768         PR tree-optimization/88828
4769         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
4770         bogus check.
4772 2019-05-14  Richard Biener  <rguenther@suse.de>
4774         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
4775         as __VIEW_CONVERT with -gimple.
4777 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
4779         PR target/82920
4780         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
4781         Darwin.
4783 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
4785         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
4786         define_split to become a define_insn_and_split.
4788 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
4790         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
4791         arguments.
4792         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
4793         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
4794         (sibcall_epilogue): Adjust.
4795         (epilogue): Adjust.
4797 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4799         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
4800         to unsupported ones.
4801         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
4802         * config.host: Likewise.
4803         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
4804         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
4805         __svr4__]: Remove "brand" fallback.
4806         [!KSTAT_DATA_STRING]: Remove.
4807         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
4808         to *-*-solaris2*.
4809         (comdat_group): Likewise.
4810         (set_have_as_tls): Likewise.
4811         (gcc_cv_target_dl_iterate_phdr): Likewise.
4812         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
4813         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
4814         * configure: Regenerate.
4815         * doc/install.texi: Simplify Solaris target triplets.
4816         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
4817         (Specific, *-*-solaris2*): Document Solaris 10 removal.
4818         Remove Solaris 10 references.
4819         Remove obsolete Solaris bug reference.
4820         (Specific, sparc-sun-solaris2.10): Remove.
4822 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
4824         * config/i386/i386.md (any_div): New code iterator.
4825         (paired_mod): New code attribute.
4826         (sgnprefix): Handle DIV and UDIV RTXes.
4827         (u): Ditto.
4828         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
4829         and udivmod<mode>4 patterns using any_div code iterator.
4830         (divmod splitters): Macroize splitters using any_div code iterator.
4831         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
4832         (*udivmodsi4_pow2_zext_2): Ditto.
4833         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
4834         and *udivmod<mode>4_noext patterns using any_div code iterator.
4835         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
4836         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
4837         patterns using any_div code iterator.
4838         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
4839         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
4840         patterns using any_div code iterator.
4841         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
4842         udivmodhiqi3 patterns using any_extend code iterator.
4844 2019-05-14  Richard Biener  <rguenther@suse.de>
4845             H.J. Lu  <hongjiu.lu@intel.com>
4847         PR tree-optimization/88828
4848         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
4849         permuting in a single non-constant element not extracted
4850         from a vector.
4852 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
4854         * internal-fn.def (SIGNBIT): New.
4855         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
4856         defined.
4857         (signbitv4sf2): Likewise.
4859 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
4861         PR target/90357
4862         * config/mips/mips.c (mips_split_move): Skip forward SRC into
4863         next insn when the SRC reg is dead.
4865 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
4867         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
4868         (alloc_cand_and_find_basis): Ditto.
4869         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
4870         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
4871         (create_add_imm_cand, slsr_process_cast): Ditto.
4872         (slsr_process_copy, replace_mult_candidate): Ditto.
4873         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
4874         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
4875         (pass_strength_reduction::execute): Init the first NULL element.
4877 2019-05-13  Nathan Sidwell  <nathan@acm.org>
4879         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
4880         (run_attempt): Reformat line break.
4882 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
4884         PR target/90418
4885         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
4886         data registers in sibcall epilogues.
4887         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
4889 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
4891         PR target/89221
4892         * configure.ac (--enable-frame-pointer):
4893         Disable by default for cygwin and mingw.
4894         * configure: Regenerate.
4896 2019-05-13  Nathan Sidwell  <nathan@acm.org>
4898         * dwarf2out.c (breakout_comdat_types): Move comment to correct
4899         piece of code.
4900         (const_ok_for_output_1): Balance parens around #if/#else/#endif
4901         (gen_member_die): Move abstract origin check earlier.  Only VARs
4902         can be static_inline_p.  Simplify splicing control flow.
4904 2019-05-13  Richard Biener  <rguenther@suse.de>
4906         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
4907         VIEW_CONVERT_EXPR.
4908         (vect_build_slp_tree_1): Likewise.
4910 2019-05-13  Richard Biener  <rguenther@suse.de>
4912         PR tree-optimization/90402
4913         * tree-if-conv.c (tree_if_conversion): Value number only
4914         the loop body by making the latch an exit of the region
4915         as well.
4916         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
4917         processing PHIs.
4918         (do_rpo_vn): Deal with multiple edges into the entry block
4919         that are not backedges inside the region by skipping PHIs
4920         of the entry block.
4922 2019-05-13  Richard Biener  <rguenther@suse.de>
4924         PR tree-optimization/90316
4925         * tree-ssa-pre.c (insert_aux): Fold into ...
4926         (insert): ... this function.  Use a RPO walk to reduce the
4927         number of required iterations.
4929 2019-05-13  Martin Liska  <mliska@suse.cz>
4931         PR tree-optimization/90416
4932         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
4933         string instead of passing the second part as va_arg argument.
4935 2019-05-13  Martin Liska  <mliska@suse.cz>
4937         PR gcov-profile/90380
4938         * gcov.c (handle_cycle): Do not support zero cycle count,
4939         it should not be possible.
4940         (path_contains_zero_cycle_arc): New function.
4941         (circuit): Ignore zero cycle arc counts.
4943 2019-05-13  Martin Liska  <mliska@suse.cz>
4945         PR gcov-profile/90380
4946         * gcov.c (enum loop_type): Remove the enum and
4947         the operator.
4948         (handle_cycle): Assert that we should not reach
4949         a negative count.
4950         (circuit): Use loop_found instead of a tri-state loop_type.
4951         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
4952         happen.
4954 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
4956         PR target/82920
4957         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
4958         (ix86_output_indirect_branch_via_reg): Use output mechanism
4959         accounting for __USER_LABEL_PREFIX__.
4960         (ix86_output_indirect_branch_via_push): Likewise.
4961         (ix86_output_function_return): Likewise.
4962         (ix86_output_indirect_function_return): Likewise.
4964 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
4966         * doc/md.texi: Document use of code attributes in rtx patterns.
4967         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
4968         * read-rtl.c (find_code): Split out search loops into...
4969         (maybe_find_code): ...this new function.
4970         (check_code_iterator): Make the error message more informative.
4971         (check_code_attribute): New function.
4972         (rtx_reader::rtx_alloc_for_name): Likewise.
4973         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
4974         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
4975         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
4976         <max_opp> directly as an rtx code instead of via a match_operator.
4977         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
4978         (<su>abd<mode>_3): Update accordingly.
4980 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
4982         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
4983         is given, print the state of the EH "save world" computation for
4984         Darwin.
4986 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
4988         PR c++/59813
4989         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
4990         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
4992 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
4994         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
4995         Use pinsrd for TARGET_SSE4_1.
4996         * config/i386/sse.md (movdi_to_sse): Ditto.
4998 2019-05-10  Richard Biener  <rguenther@suse.de>
5000         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
5001         (do_rpo_vn): Initialize next_value_id.
5003 2019-05-10  Martin Liska  <mliska@suse.cz>
5005         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
5006         Fix plural form.
5008 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
5010         PR tree-optimization/90385
5011         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
5012         arguments of the exit phis.
5014         PR c++/90383
5015         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
5016         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
5017         id->do_not_fold.
5018         (copy_tree_body_r): Likewise.
5019         (copy_fn): Set id.do_not_fold to true.
5021 2019-05-10  Martin Liska  <mliska@suse.cz>
5023         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
5024         Reapply changes from r269790.
5026 2019-05-10  Martin Liska  <mliska@suse.cz>
5028         PR middle-end/90340
5029         * doc/invoke.texi: New params.
5030         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
5031         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
5032         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
5033         Use it.
5034         * tree-switch-conversion.h (struct jump_table_cluster):
5035         Likewise.
5037 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
5039         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
5041 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
5043         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
5045 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
5047         PR rtl-optimization/88879
5048         * sel-sched.c (sel_target_adjust_priority): Remove assert.
5050 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
5052         PR target/90405
5053         * config/arm/arm.c (callee_saved_reg_p): Move before
5054         thumb_find_work_register.
5055         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
5056         thumb_find_work_register.  Only call df_get_live_out once.
5057         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
5058         (thumb_find_work_register): Use
5059         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
5060         algorithms to locate a spare call clobbered reg.
5062 2019-05-09  Martin Liska  <mliska@suse.cz>
5064         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
5065         and MAX_EXPR in GIMPLE FE format.
5067 2019-05-09  Martin Liska  <mliska@suse.cz>
5069         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
5070         * gimple-pretty-print.c (dump_gimple_bb_header):
5071         Dump BB count.
5072         (pp_cfg_jump): Dump edge probability.
5073         * profile-count.c (profile_quality_as_string): Simplify
5074         with a static array.
5075         (parse_profile_quality): New function.
5076         (profile_count::dump): Simplify with a static array.
5077         (profile_count::from_gcov_type): Add new argument.
5078         * profile-count.h (parse_profile_quality): Likewise.
5079         * predict.h (set_hot_bb_threshold): New.
5080         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
5081         New param.
5082         * predict.c (get_hot_bb_threshold): Set from the new param.
5083         (set_hot_bb_threshold): New.
5085 2019-05-09  Richard Biener  <rguenther@suse.de>
5087         PR tree-optimization/90395
5088         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
5089         rewrite vector stores that throw internally.
5091 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
5093         * cif-code.def (CHKP): Remove.
5095         PR target/89221
5096         * configure.ac (--enable-frame-pointer): Disable by default for
5097         GNU systems.
5098         * configure: Regenerate.
5100 2019-05-09  Alan Modra  <amodra@gmail.com>
5102         PR target/89271
5103         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
5104         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
5105         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
5106         cost for general <-> vsx when direct moves are available.
5107         Cost union classes at minimal cost for any reg in the class.
5108         Correct calculation for moves between vsx, float, and altivec.
5109         Don't return a low cost for moves between special regs.  Don't
5110         use hard coded register numbers.
5111         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
5112         (rs6000_ira_change_pseudo_allocno_class): New function.
5113         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
5114         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
5115         alternatives.
5116         (movsi_internal1): Don't disparage vector alternatives.
5117         (mov<mode>_internal): Likewise, excepting alternative that
5118         will be split.
5119         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
5120         we <- b alternative.
5122 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
5124         PR c++/59813
5125         PR tree-optimization/89060
5126         * tree-ssa-live.h (live_vars_map): New typedef.
5127         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
5128         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
5129         (struct compute_live_vars_data): New type.
5130         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
5131         live_vars_at_stmt, destroy_live_vars): New functions.
5132         * tree-tailcall.c: Include tree-ssa-live.h.
5133         (live_vars, live_vars_vec): New global variables.
5134         (find_tail_calls): Perform variable life analysis before punting.
5135         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
5136         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
5137         member.
5138         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
5139         Perform variable life analysis to select variables that really need
5140         clobbers added.
5141         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
5142         instead set id->eh_landing_pad_dest and assert it is the same.
5143         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
5145 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
5146             Richard Earnshaw  <rearnsha@arm.com>
5148         PR target/88167
5149         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
5150         function.
5151         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
5152         (thumb1_compute_save_core_reg_mask): Don't force a spare work
5153         register if both the epilogue and prologue can use call-clobbered
5154         regs.
5155         (thumb1_unexpanded_epilogue): Use
5156         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
5157         picking temporaries for restoring high regs to match that of the
5158         prologue where possible.
5159         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
5160         the list of work registers.  Detect if the return address is still live
5161         at the end of the prologue and avoid using it for a work register if so.
5162         If the return address is not live, add LR to the list of pushable regs
5163         after the first pass.
5165 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
5167         PR tree-optimization/90078
5168         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
5169         (INFTY): Increase the value for infinite cost.
5170         (struct comp_cost): Promote type of members to int64_t.
5171         (infinite_cost): Don't set complexity in initialization.
5172         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
5173         overflows to infinite_cost.
5174         (adjust_setup_cost): Promote type of parameter and cost computation
5175         to int64_t.
5176         (struct ainc_cost_data, struct iv_ca): Promote type of member to
5177         int64_t.
5178         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
5179         cost computation to int64_t.
5180         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
5181         int64_t's format specifier in dump.
5183 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
5185         PR tree-optimization/90240
5186         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
5187         with respect to scaling factor pre-computed for each basic block.
5188         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
5189         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
5190         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
5191         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
5192         live range for array of loop's basic blocks.  Cleanup aux field of
5193         loop's basic blocks.
5195 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
5197         PR tree-optimization/90356
5198         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
5200 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
5202         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
5203         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
5204         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
5205         (ix86_handle_option): Handle -mavx512bf16.
5206         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
5207         to extra_headers.
5208         * config/i386/avx512bf16vlintrin.h: New.
5209         * config/i386/avx512bf16intrin.h: New.
5210         * config/i386/cpuid.h (bit_AVX512BF16): New.
5211         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
5212         * config/i386/i386-builtin-types.def: Add new types.
5213         * config/i386/i386-builtin.def: Add new builtins.
5214         * config/i386/i386-c.c (ix86_target_macros_internal): Define
5215         __AVX512BF16__.
5216         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
5217         (ix86_option_override_internal): Handle BF16.
5218         (ix86_valid_target_attribute_inner_p): Ditto.
5219         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
5220         * config/i386/i386-builtin.c (enum processor_features): Add
5221         F_AVX512BF16.
5222         (static const _isa_names_table isa_names_table): Ditto.
5223         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
5224         (PTA_AVX512BF16): Ditto.
5225         * config/i386/i386.opt: Add -mavx512bf16.
5226         * config/i386/immintrin.h: Include avx512bf16intrin.h
5227         and avx512bf16vlintrin.h.
5228         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
5229         avx512f_cvtneps2bf16_<mode><mask_name>,
5230         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
5231         * config/i386/subst.md (mask_half): Add new subst.
5232         * doc/invoke.texi: Document -mavx512bf16.
5234 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
5236         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
5237         Delete declaration.
5238         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
5239         (rs6000_debug_legitimize_reload_address): Delete.
5240         (rs6000_legitimize_reload_address_ptr): Delete.
5241         (rs6000_option_override_internal): Adjust.
5242         (mem_operand_gpr): Adjust comment.
5243         (legitimate_lo_sum_address_p): Ditto.
5244         (rs6000_legitimize_reload_address): Delete.
5245         (rs6000_debug_legitimize_reload_address): Delete.
5246         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
5248 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5250         PR target/89765
5251         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5252         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
5253         to compute vector element selector for both constant and variable
5254         operands.
5256 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
5258         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
5259         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
5260         ashrdi3_cvt using SWI48 mode iterator.
5262 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
5264         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
5265         (aarch64_<su>abd<mode>_3): Likewise.
5266         (*aarch64_<su>abd<mode>_3): New define_insn.
5267         (<sur>sad<vsi2qi>): New define_expand.
5268         * config/aarch64/iterators.md: Added MAX_OPP attribute.
5269         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
5270         (build_vect_cond_expr): Likewise.
5272 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
5274         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
5275         clobbers outside of accessible_reg_set.
5276         * config/i386/i386.c (ix86_conditional_register_usage):
5277         Disable register sets by clearing corresponding bits in
5278         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
5279         call_used_regs and don't clear corresponding reg_names array members.
5281 2019-05-07  Richard Biener  <rguenther@suse.de>
5283         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
5284         not specified still compute a comp_vectype for invariant
5285         compares.
5287 2019-05-07  Richard Biener  <rguenther@suse.de>
5289         PR tree-optimization/90316
5290         * tree-ssa-pre.c (translate_vuse_through_block): When
5291         same_valid is NULL do not bother to search for a virtual
5292         PHI continuation.
5293         (phi_translate_1): When operands changed we cannot keep
5294         the same value-number so do not bother to ask whether
5295         that's possible from translate_vuse_through_block.
5297 2019-05-07  Martin Liska  <mliska@suse.cz>
5299         * bitmap.c (bitmap_register): Come up with
5300         alloc_descriptor_max_uid and assign it for
5301         a new bitmap.
5302         (register_overhead): Use get_descriptor as
5303         a descriptor.
5304         (release_overhead): New.
5305         (bitmap_elem_to_freelist): Call it.
5306         (bitmap_elt_clear_from): Likewise.
5307         (bitmap_obstack_free): Likewise.
5308         (bitmap_move): Sensitively release memory.
5309         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
5310         (bitmap_initialize): Initialize alloc_descriptor to zero.
5311         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
5313 2019-05-07  Richard Biener  <rguenther@suse.de>
5315         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
5316         we build a SLP node.  Remove max_size and limiting.
5317         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
5319 2019-05-07  Richard Biener  <rguenther@suse.de>
5321         PR tree-optimization/90316
5322         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
5323         limit by reference.
5324         (walk_non_aliased_vuses): Take walking limit argument.
5325         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
5326         walking if it is reached instead of just counting.
5327         (get_continuation_for_phi): Likewise.
5328         (walk_non_aliased_vuses): Likewise, instead of leaving counter
5329         limiting to the callback.
5330         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
5331         (vn_reference_lookup_3): Likewise.
5332         (vn_reference_lookup_pieces): Likewise.
5333         (vn_reference_lookup): Likewise.
5334         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
5335         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
5336         (avail_exprs_stack::lookup_avail_expr): Likewise.
5338 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
5340         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
5341         for comparaible types in the second direction even if first one
5342         hits incomparable type.
5344 2019-05-07  Richard Biener  <rguenther@suse.de>
5346         PR lto/90369
5347         * lto-wrapper.c (debug_objcopy): Use the original filename
5348         including archive offset for the filename used for -save-temps.
5350 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
5352         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
5353         detection.
5355 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
5356             Hongtao Liu  <hongtao.liu@intel.com>
5358         PR target/89750
5359         PR target/86444
5360         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
5361         Modified, original implementation isn't correct.
5363 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
5365         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
5366         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
5367         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
5368         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
5369         (FRAME_POINTER_REGNUM): Change numbering.
5370         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
5371         (alt_reg_names): Adjust.
5372         (rs6000_conditional_register_usage): Don't mark hard register 64 as
5373         fixed.
5374         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
5375         (DWARF_FRAME_REGISTERS): Delete.
5376         (DWARF2_FRAME_REG_OUT): Fix whitespace.
5377         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5378         Adjust.
5379         (REG_ALLOC_ORDER): Adjust.
5380         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
5381         (REG_CLASS_CONTENTS): Adjust.
5382         (RETURN_ADDR_RTX): Change comment.
5383         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
5384         instead of 67.
5385         (REGISTER_NAMES): Adjust.
5386         (ADDITIONAL_REGISTER_NAMES): Adjust.
5387         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
5389 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
5391         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
5392         Delete.
5393         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
5394         (DWARF_FRAME_REGISTERS): Adjust.
5395         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5396         Adjust.
5397         (REG_ALLOC_ORDER): Adjust.
5398         (enum reg_class): Delete SPR_REGS.
5399         (REG_CLASS_NAMES): Delete SPR_REGS.
5400         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
5401         (REGISTER_NAMES): Adjust.
5402         (ADDITIONAL_REGISTER_NAMES): Adjust.
5403         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
5404         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
5405         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
5406         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
5407         (htm_spr_regno): Delete.
5408         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
5409         argument.
5410         (rs6000_dbx_register_number): Adjust.
5412 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
5414         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
5416 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
5418         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
5419         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
5421 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
5423         PR tree-optimization/88709
5424         PR tree-optimization/90271
5425         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
5426         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
5427         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
5428         variable.
5429         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
5430         of the store merging group is larger than
5431         PARAM_STORE_MERGING_MAX_SIZE parameter.
5432         (split_group): Add bzero_first argument.  If set, always emit first
5433         the first store which must be = {} of the whole area and then for the
5434         rest of the stores consider all zero bytes as paddings.
5435         (imm_store_chain_info::output_merged_store): Check if first store
5436         is = {} of the whole area and if yes, determine which setting of
5437         bzero_first for split_group gives smaller number of stores.  Adjust
5438         split_group callers.
5439         (lhs_valid_for_store_merging_p): Allow decls.
5440         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
5441         no elts.
5442         (pass_store_merging::process_store): Likewise.
5444 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5446         PR target/89424
5447         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
5448         handling of V1TImode.
5450 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
5452         PR target/89221
5453         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
5454         and enable_frame_pointer ...
5455         * configure.ac: ... here.  Update help strings for
5456         --enable-frame-pointer.
5457         * configure: Regenerate.
5458         * config/i386/i386-options.c (ix86_option_override_internal): Remove
5459         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
5460         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
5461         (USE_X86_64_FRAME_POINTER): Ditto.
5463 2019-05-06  Martin Liska  <mliska@suse.cz>
5465         * config.gcc: Append to target_gtfiles and fix indentation.
5467 2019-05-06  Richard Biener  <rguenther@suse.de>
5469         PR tree-optimization/90358
5470         * tree-vect-stmts.c (get_group_load_store_type): Properly
5471         detect unused upper half of load.
5472         (vectorizable_load): Likewise.
5474 2019-05-06  Richard Biener  <rguenther@suse.de>
5476         PR tree-optimization/88828
5477         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
5478         (simplify_vector_constructor): ...here.  Handle constants in
5479         the constructor.
5481 2019-05-06  Richard Biener  <rguenther@suse.de>
5483         PR tree-optimization/90328
5484         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
5485         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
5486         is valid in the loop nest before using it.
5487         (initialize_data_dependence_relation): Adjust.
5488         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
5489         loop as loop-nest to dr_may_alias_p.
5491 2019-05-06  Richard Biener  <rguenther@suse.de>
5493         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
5495 2019-05-06  Richard Biener  <rguenther@suse.de>
5497         PR tree-optimization/90316
5498         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
5499         compute target on demand.
5500         (get_continuation_for_phi): Remove code walking stmts to
5501         get to a target virtual operand which could end up being
5502         quadratic.
5504 2019-05-06  Martin Liska  <mliska@suse.cz>
5506         PR sanitizer/90312
5507         * config/i386/i386-options.c (ix86_option_override_internal): Error only
5508         when -mabi is selected to a non-default version.
5510 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
5511             Martin Liska  <mliska@suse.cz>
5513         * Makefile.in: Add lto-dump.texi.
5514         * cgraph.h: Add new functions get_visibility_string and
5515         get_symtab_type_string.
5516         * doc/gcc.texi: Include lto-dump section.
5517         * doc/lto-dump.texi: New file.
5518         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
5519         (parse_dump_option): Factor out this function.
5520         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
5521         (parse_dump_option): Export the function.
5522         * symtab.c (symtab_node::get_visibility_string): New function.
5523         (symtab_node::get_symtab_type_string): Likewise.
5525 2019-05-06  Martin Liska  <mliska@suse.cz>
5527         * config/i386/i386-builtins.c: New file.
5528         * config/i386/i386-builtins.h: New file.
5529         * config/i386/i386-expand.c: New file.
5530         * config/i386/i386-expand.h: New file.
5531         * config/i386/i386-features.c: New file.
5532         * config/i386/i386-features.h: New file.
5533         * config/i386/i386-options.c: New file.
5534         * config/i386/i386-options.h: New file.
5535         * config.gcc: Add new files into extra_objs and
5536         target_gtfiles.
5537         * config/i386/i386.c: Split content of the file
5538         into newly introduced files.
5539         * config/i386/i386.h: Declare common variables
5540         and macros.
5541         * config/i386/t-i386: Define dependencies for new files.
5543 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
5545         PR target/89400
5546         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
5547         Restrict 'all' variant to 32-bit configurations.
5548         (unaligned_loadhiu): Likewise.
5549         (unaligned_storehi): Likewise.
5550         (unaligned_storesi): Likewise.
5551         (unaligned_loadhis): Disable when compiling for thumb1.
5553 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
5555         PR tree-optimization/90269
5556         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
5557         Ignore clobbers.
5559 2019-05-03  Martin Liska  <mliska@suse.cz>
5561         * hash-map.h: Add is_empty function.
5562         * hash-set.h: Likewise.
5563         * hash-table.h: Likewise.
5564         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
5565         elements () == 0 (and similar usages).
5566         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
5567         * gimplify.c (gimplify_bind_expr): Likewise.
5568         (gimplify_switch_expr): Likewise.
5569         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
5570         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
5571         * postreload-gcse.c (dump_hash_table): Likewise.
5572         (gcse_after_reload_main): Likewise.
5573         * predict.c (combine_predictions_for_bb): Likewise.
5574         * tree-parloops.c (reduction_phi): Likewise.
5575         (separate_decls_in_region): Likewise.
5576         (transform_to_exit_first_loop): Likewise.
5577         (gen_parallel_loop): Likewise.
5578         (gather_scalar_reductions): Likewise.
5579         (try_create_reduction_list): Likewise.
5580         * var-tracking.c (dump_vars): Likewise.
5581         (emit_notes_for_changes): Likewise.
5582         (vt_emit_notes): Likewise.
5584 2019-05-03  Richard Biener  <rguenther@suse.de>
5586         PR tree-optimization/90316
5587         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
5588         before running VN.
5590 2019-05-03  Richard Biener  <rguenther@suse.de>
5592         * tree-vect-stmts.c (get_group_load_store_type): Avoid
5593         peeling for gaps by loading only lower halves of vectors
5594         if possible.
5595         (vectorizable_load): Likewise.
5597 2019-05-03  Richard Biener  <rguenther@suse.de>
5599         PR middle-end/89518
5600         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
5602 2019-05-03  Richard Biener  <rguenther@suse.de>
5604         PR middle-end/87314
5605         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
5606         Handle STRING_CST vs DECL or STRING_CST.
5608 2019-05-03  Richard Biener  <rguenther@suse.de>
5610         PR tree-optimization/88963
5611         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
5612         vector loads feeding only BIT_FIELD_REFs to component
5613         loads.  Rewrite stores fed by CONSTRUCTORs to component
5614         stores.
5616 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
5618         * opts.h (finish_options): Remove lang_mask argument.
5619         (print_help, help_option_argument): Declare.
5620         * opts.c (print_help): Remove forward declaration, no longer static.
5621         (finish_options): Remove lang_mask argument, don't call print_help
5622         here.
5623         * opts-global.c (decode_options): Adjust finish_option caller, call
5624         print_help here.
5626         PR tree-optimization/90303
5627         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
5628         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
5630 2019-05-03  Richard Biener  <rguenther@suse.de>
5632         PR tree-optimization/89698
5633         * gimple-fold.c (canonicalize_constructor_val): Early out
5634         for constants, handle unfolded INTEGER_CSTs as they appear in
5635         C++ virtual table ctors.
5637 2019-05-03  Richard Biener  <rguenther@suse.de>
5639         * passes.c (execute_function_todo): Remove dead code.
5641 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
5643         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
5644         the internal register number, for any "real" register.
5646 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
5648         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
5649         correct numbers for TFHAR, TFIAR, TEXASR.
5651 2019-05-02  Richard Biener  <rguenther@suse.de>
5653         PR tree-optimization/89653
5654         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
5655         update-address-taken before the pass.
5656         * passes.def (pass_tree_loop_init): Put comment before it.
5658 2019-05-02  Richard Biener  <rguenther@suse.de>
5660         PR tree-optimization/89509
5661         * tree-ssa-structalias.c (compute_dependence_clique): Look
5662         at the first subvar when determining whether it is restrict.
5664 2019-05-02  Richard Biener  <rguenther@suse.de>
5666         PR tree-optimization/90273
5667         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
5668         useless debug stmts.
5670 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
5672         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
5673         ACLE branch.
5674         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
5675         SVE ACLE branch.
5676         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
5677         VEC_COND_EXPR be inserted to emulate a conditional internal function.
5678         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
5679         (vectorizable_reduction): Use the functions above to vectorize in a
5680         fully masked loop codes that don't have a conditional internal
5681         function.
5683 2019-05-02  Martin Liska  <mliska@suse.cz>
5685         * cgraphclones.c: Call valid_attribute_p with 1 for
5686         target_clone.
5687         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
5688         it's for target attribute.
5689         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
5690         Add new boolean argument.
5691         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
5692         Likewise.
5693         (ix86_valid_target_attribute_tree): Pass target_clone_attr
5694         to ix86_valid_target_attribute_inner_p.
5695         (ix86_valid_target_attribute_p): Pass flags argument to
5696         ix86_valid_target_attribute_inner_p.
5697         (get_builtin_code_for_version): Use 0 as it's target attribute.
5699 2019-05-02  Martin Liska  <mliska@suse.cz>
5701         * gcc.c (process_command): Add dummy file only
5702         if n_infiles == 0.
5703         * opts-global.c (decode_options): Pass lang_mask.
5704         * opts.c (print_help): New function.
5705         (finish_options): Print --help if help_option_argument
5706         is set.
5707         (common_handle_option): Factor out content of OPT__help_
5708         into print_help.
5709         * opts.h (finish_options): Add new argument.
5711 2019-05-02  Martin Liska  <mliska@suse.cz>
5713         PR target/88809
5714         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
5715         With -minline-all-stringops use inline expansion using 4B loop.
5716         * doc/invoke.texi: Document the change of
5717         -minline-all-stringops.
5719 2019-05-01  Jeff Law  <law@redhat.com>
5721         PR tree-optimization/88797
5722         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
5723         PHI feeds a conditional on the RHS of an assignment.
5725 2019-04-30  Andrew Waterman  <andrew@sifive.com>
5726             Jim Wilson  <jimw@sifive.com>
5728         * config/riscv/constraints.md (L): New.
5729         * config/riscv/predicates.md (lui_operand): New.
5730         (sfb_alu_operand): New.
5731         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
5732         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
5733         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
5734         * config/riscv/risc.md (type): Add sfb_alu.
5735         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
5736         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
5737         (branch_zero<mode>): Delete.
5738         (mov<mode>cc): New.
5739         (mov<GPR:mode><X:mode>cc): Likewise.
5740         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
5742 2019-04-30  Nathan Sidwell  <nathan@acm.org>
5744         * tree.h (MARK_TS_EXP): New.
5746 2019-04-30  Martin Liska  <mliska@suse.cz>
5748         * opts.c (enable_warning_as_error): Provide hints
5749         for unknown options.
5751 2019-04-30  Martin Liska  <mliska@suse.cz>
5753         PR debug/90288
5754         * doc/invoke.texi: Add missing dash for gas-locview-support
5755         and gno-as-locview-support.
5757 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
5759         PR target/89093
5760         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
5761         whitespace at the start of target attribute string.
5763 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5765         PR target/86538
5766         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
5767         Define __ARM_FEATURE_ATOMICS.
5769 2019-04-30  Martin Liska  <mliska@suse.cz>
5771         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
5772         into built_in_function enum. Remove code for endp == 2 and
5773         use BUILT_IN_* constants.
5774         (gimple_fold_builtin): Call the function with fcode.
5776 2019-04-30  Martin Liska  <mliska@suse.cz>
5778         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
5779         DECL_FUNCTION_CODE into ix86_builtins enum before
5780         the switch statement.
5782 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
5784         PR tree-optimization/89475
5785         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
5786         calls.
5788 2019-04-30  Martin Liska  <mliska@suse.cz>
5790         PR translation/90274
5791         * opts.c (print_filtered_help): Wrap string in _(...).
5793 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
5795         PR tree-optimization/90240
5796         Revert:
5797         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
5799         PR tree-optimization/90078
5800         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
5801         checks for infinite_cost overflow.
5803 2019-04-29  Jeff Law  <law@redhat.com>
5805         * passes.def: Move -Wrestrict pass after copy propagation.
5807 2019-04-29  Maya Rashish  <coypu@sdf.org>
5809         * config.gcc (default_gnu_indirect_function): Default to yes
5810         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
5811         sparc*-*-netbsd*, x86_64-*-netbsd*.
5813 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
5815         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
5816         where cond2 is NE_EXPR.
5817         (is_value_included_in): Update comment.
5819 2019-04-29  Richard Biener  <rguenther@suse.de>
5821         PR tree-optimization/90278
5822         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
5823         EH on comparison simplification.
5825 2019-04-29  Jason Merrill  <jason@redhat.com>
5827         PR c++/82081 - tail call optimization breaks noexcept
5828         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
5829         nothrow function to a might-throw function into a tail call.
5831 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
5833         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
5834         (DDR_INNER_LOOP): Likewise.
5835         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
5836         (initialize_data_dependence_relation): Likewise.
5837         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
5839 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
5841         PR rtl-optimization/90257
5842         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
5843         return value.
5845         Revert the revert:
5846         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
5848         PR target/90178
5849         Revert:
5850         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
5852         Revert the revert:
5853         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
5855         Revert:
5856         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
5858         * lra-spills.c (lra_final_code_change): Remove useless move insns.
5860 2019-04-29  Richard Biener  <rguenther@suse.de>
5862         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
5863         rhs issue a reset.
5865 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
5867         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
5868         varasm.h, and netbsd-protos.h.
5870 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
5872         PR target/89261
5873         * config/i386/i386-protos.h (ix86_data_alignment): Change
5874         the second argument type to unsigned int.
5875         * config/i386/i386.c (ix86_data_alignment): Change "align"
5876         argument type to unsigned int.
5878 2019-04-27  Martin Liska  <mliska@suse.cz>
5880         PR middle-end/90258
5881         * opt-suggestions.c (option_proposer::build_option_suggestions):
5882         When get_valid_option_values returns empty values, add the
5883         misspelling candidate.
5885 2019-04-26  Jim Wilson  <jimw@sifive.com>
5887         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
5888         parameter.
5889         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
5890         Pass orig_mode to riscv_build_integer.
5891         (riscv_split_integer): Pass mode to riscv_move_integer.
5892         (riscv_legitimize_const_move): Likewise.
5893         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
5894         promoted_mode.  Replace force_reg call with code to load constant into
5895         promoted reg and then subreg it for the store.
5896         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
5897         riscv_move_integer.
5899 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
5901         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
5902         corrupt codes.
5904 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
5906         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
5907         commentary about the encoding of precision.
5909 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
5911         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
5912         * config/i386/t-freebsd64: New file.
5913         * config.gcc: Add the t-freebsd64 for multilib support.
5915 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
5917         * doc/extend.texi (vector_size): Add missing comma after @xref.
5919 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
5921         * BASE-VER: Set to 10.0.0.
5923 2019-04-25  Richard Biener  <rguenther@suse.de>
5925         PR middle-end/89765
5926         * gimplify.c (gimplify_expr): Avoid turning a lvalue
5927         VIEW_CONVERT_EXPR into one operating on an rvalue.
5929 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
5931         PR target/89929
5932         * config/i386/i386.c (feature_priority): Moved to file scope.
5933         (processor_features): Likewise.
5934         (processor_model): Likewise.
5935         (_arch_names_table): Likewise.
5936         (arch_names_table): Likewise.
5937         (_feature_list): Removed.
5938         (feature_list): Likewise.
5939         (_isa_names_table): Moved to file scope.  Add priority.
5940         (isa_names_table): Likewise.
5941         (get_builtin_code_for_version): Replace feature_list with
5942         isa_names_table.  Update error message for P_ZERO priority.
5944 2019-04-25  Richard Biener  <rguenther@suse.de>
5946         * tree-pass.h (make_pass_phi_only_cprop): Remove.
5947         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
5949 2019-04-24  Jeff Law  <law@redhat.com>
5951         PR tree-optimization/90037
5952         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
5953         * passes.def: Replace all instance of phi-only cprop with the
5954         lattice propagator.  Move propagation pass from after erroneous
5955         path isolation to before erroneous path isolation.
5956         * tree-ssa-phionlycprop.c: Remove.
5958 2019-04-24  Richard Biener  <rguenther@suse.de>
5960         PR middle-end/90213
5961         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
5962         by size and BITS_PER_UNIT on poly-wide-ints.
5964 2019-04-25  Richard Biener  <rguenther@suse.de>
5966         PR middle-end/90194
5967         * match.pd: Add pattern to simplify view-conversion of an
5968         empty constructor.
5970 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
5972         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
5973         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
5974         for Go on 32 bit AIX.
5975         * config/rs6000/aix72.h: Likewise.
5977 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
5979         PR target/90193
5980         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
5981         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
5983 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
5985         PR target/89952
5986         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
5987         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
5988         for restored hard frame pointer.
5989         (s390_sched_dependencies_evaluation): Implement new target hook.
5990         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
5992 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
5994         * config/arc/arc-options.def: Fix typos and spelling mistakes.
5995         * config/arc/arc.c (arc_init): Cleanup warning message.
5996         (arc_override_options): Likewise.
5998 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
6000         PR target/90187
6001         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
6002         a register if both if_true and if_false are MEMs.
6004         PR tree-optimization/90208
6005         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
6006         after labels of new_bb, not before them.
6008         PR tree-optimization/90211
6009         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
6010         which are not SSA_NAMEs.
6012 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
6014         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
6015         AArch64.
6016         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
6018 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
6020         PR rtl-optimization/87979
6021         * modulo-sched.c (sms_schedule): Start ii value "mii" should
6022         not equal zero.
6024 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
6026         PR rtl-optimization/84032
6027         * modulo-sched.c (ps_insn_find_column): Change condition so that
6028         branch will always be the last insn in a row inside partial
6029         schedule.
6031 2019-04-23  Richard Biener  <rguenther@suse.de>
6033         PR debug/90131
6034         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
6035         dest_single_pred_p argument.
6036         (remove_forwarder_block): Adjust.
6037         (remove_forwarder_block_with_phi): Likewise.
6039 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6040             Bernd Edlinger  <bernd.edlinger@hotmail.de>
6041             Jakub Jelinek  <jakub@redhat.com>
6043         PR target/89093
6044         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
6045         if used with general-regs-only.
6046         (arm_conditional_register_usage): Don't add non-general regs if
6047         general-regs-only.
6048         (arm_valid_target_attribute_rec): Handle general-regs-only.
6049         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
6050         general-regs-only.
6051         (TARGET_HARD_FLOAT_SUB): Define.
6052         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
6053         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
6054         (TARGET_REALLY_IWMMXT2): Likewise.
6055         * config/arm/arm.opt: Add -mgeneral-regs-only.
6056         * doc/extend.texi: Document ARM general-regs-only target.
6057         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
6059 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
6061         PR tree-optimization/90078
6062         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
6063         checks for infinite_cost overflow.
6065 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
6067         PR tree-optimization/90021
6068         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
6069         and check univariate against it.
6070         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
6071         * tree-data-ref.c (add_other_self_distances): Pass new argument.
6073 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
6075         PR target/90178
6076         Revert:
6077         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
6079         Revert the revert:
6080         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
6082         Revert:
6083         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
6085         * lra-spills.c (lra_final_code_change): Remove useless move insns.
6087 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
6089         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
6090         names using operand format, rather than hard-wired.
6091         (speculation_barrier): Likewise.
6093 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
6095         PR tree-optimization/88055
6096         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
6097         (gen_one_condition): Use it if !HONOR_NANS.
6099 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
6101         PR middle-end/90139
6102         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
6103         assign_temp instead of gen_reg_rtx.
6105 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
6107         PR translation/90118
6108         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6109         Add missing space before %<.
6111 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
6113         PR rtl-optimization/87871
6114         * ira-lives.c (make_object_dead): Don't add conflicts to
6115         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
6117 2019-04-18  Martin Sebor  <msebor@redhat.com>
6119         PR middle-end/89797
6120         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
6121         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
6122         assuming type size fits in SHWI.
6124 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
6126         PR ipa/85051
6127         * ipa-inline.c (flatten_function): New parameter UPDATE.
6128         (ipa_inline, early_inliner): Use it.
6130 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
6132         * fold-const.c (int_const_binop): Return early on failure.
6134 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
6136         PR middle-end/85164
6137         * combine.c (force_int_to_mode): Cast the argument rather than
6138         the result of known_alignment.
6139         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
6141 2019-04-18  Richard Biener  <rguenther@suse.de>
6143         PR debug/90131
6144         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
6145         out from ...
6146         (remove_forwarder_block): ... here.
6147         (remove_forwarder_block_with_phi): Also move debug stmts here.
6149 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
6151         PR translation/79183
6152         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
6153         inform where appropriate.
6155 2019-04-18  Richard Biener  <rguenther@suse.de>
6157         * tree.c (get_qualified_type): Put found type variants at the
6158         head of the variant list.
6160 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
6162         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
6164 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
6166         PR target/90125
6167         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
6168         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
6169         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
6170         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
6171         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
6173 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
6175         * ira-conflicts.c (print_allocno_conflicts): Always print something,
6176         even for allocno's with no conflicts.
6177         (print_conflicts): Print an extra newline.
6179 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
6181         * auto-inc-dec.c (attempt_change): Set the alignment of the
6182         temporary memory to that of the original.
6184 2019-04-17  Joao Moreira  <jmoreira@suse.de>
6186         * targhooks.c (default_print_patchable_function_entry): Emit
6187         __patchable_function_entries section with writable flags to allow
6188         relocation resolution.
6190 2019-04-17  Jonny Grant  <jg@jguk.org>
6192         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
6194 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
6196         PR middle-end/90095
6197         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
6198         on lowpart SUBREGs.
6200 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
6202         * config/arc/arc.c (arc_init): Format diagnostic string.
6203         (arc_override_options): Likewise.
6204         (check_if_valid_regno_const): Likewise.
6205         (arc_reorg): Likewise.
6207 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
6209         PR target/17108
6210         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
6211         name.
6212         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
6213         name.
6214         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
6215         (*movdi_update1): Use Pmode.
6216         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
6217         (movdi_<mode>_update_stack): Rename to ...
6218         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
6219         use Pmode.
6220         (*movsi_update1): Use Pmode.
6221         (*movsi_update2): Use Pmode.
6222         (movsi_update): Rename to ...
6223         (movsi_<mode>_update): ... this.  Use Pmode.
6224         (movsi_update_stack): Fix condition.
6225         (*movhi_update1): Use Pmode.  Fix argument to
6226         avoiding_indexed_address_p.
6227         (*movhi_update2): Ditto.
6228         (*movhi_update3): Ditto.
6229         (*movhi_update4): Ditto.
6230         (*movqi_update1): Ditto.
6231         (*movqi_update2): Ditto.
6232         (*movqi_update3): Ditto.
6233         (*movsf_update1, *movdf_update1): Merge, rename to...
6234         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
6235         avoiding_indexed_address_p.  Add "size" attribute.
6236         (*movsf_update2, *movdf_update2): Merge, rename to...
6237         (*mov<mode>_update2): This.  Ditto.
6238         (*movsf_update3): Use Pmode.  Fix argument to
6239         avoiding_indexed_address_p.
6240         (*movsf_update4): Ditto.
6241         (allocate_stack): Simplify condition.  Adjust pattern names.
6243 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
6245         PR target/89093
6246         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
6247         whitespace at the start of target attribute string.
6249 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
6251         PR target/84369
6252         * config/rs6000/power9.md: Add store forwarding bypass.
6254 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
6256         PR debug/89528
6257         * valtrack.c (dead_debug_insert_temp): Reset debug references
6258         to the return value of a call being removed.
6260 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6262         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
6263         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
6264         implement target hook.
6265         (arc_memory_move_cost): New function.
6266         (TARGET_REGISTER_MOVE_COST): Define.
6267         (TARGET_MEMORY_MOVE_COST): Likewise.
6268         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
6269         (MEMORY_MOVE_COST): Likewise.
6271 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6273         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
6274         (sibcall_value_insn): Likewise.
6275         * config/arc/constraints.md (Rs5): Remove.
6277 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6279         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
6280         for last two fake registers.
6281         (arc_conditional_register_usage): Make sure fake frame and arg
6282         pointer regs are in general regs class.
6283         (FRAME_POINTER_MASK): Remove.
6284         (RETURN_ADDR_MASK): Remove.
6285         (arc_must_save_register): Use hard frame regnum.
6286         (frame_restore_reg): Use hard_frame_pointer_rtx.
6287         (arc_save_callee_saves): Likewise.
6288         (arc_restore_callee_saves): Likewise.
6289         (arc_save_callee_enter): Likewise.
6290         (arc_restore_callee_leave): Likewise.
6291         (arc_save_callee_milli): Likewise.
6292         (arc_eh_return_address_location): Likewise.
6293         (arc_check_multi): Use hard frame regnum.
6294         (arc_can_eliminate): Likewise.
6295         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
6296         for register allocator.
6297         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
6298         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
6299         (FRAME_POINTER_REGNUM): Change it to a fake register.
6300         (HARD_FRAME_POINTER_REGNUM): Defined.
6301         (ARG_POINTER_REGNUM): Change it to a new fake register.
6302         (ELIMINABLE_REGS): Update.
6303         (REGISTER_NAMES): Update names.
6304         * config/arc/arc.md (LP_START): Remove.
6305         (LP_END): Likewise.
6306         (shift_si3_loop): Update pattern.
6308 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
6310         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
6311         to avoid delay slot scheduling.
6312         (arc_must_save_register): Don't save SP.
6313         * config/arc/arc.md (stack_tie): Remove.
6314         (UNSPEC_ARC_STKTIE): Likewise.
6316 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
6317             Shiva Chen  <shiva0217@gmail.com>
6319         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
6320         code gen with large shift amount.
6322 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
6324         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
6325         subreg.
6327 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
6329         PR target/90096
6330         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
6331         print -m64/-mx32/-m32 if it is true.
6332         (ix86_debug_options, ix86_function_specific_print): Pass true as
6333         ADD_ABI_P to ix86_target_string.
6334         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
6335         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
6336         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
6338         PR rtl-optimization/90082
6339         * dce.c (can_delete_call): New function.
6340         (deletable_insn_p, mark_insn): Use it.
6342         PR tree-optimization/90090
6343         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
6344         throw internally.
6345         (is_division_by_square): Likewise.  Formatting fix.
6347 2019-04-16  Richard Biener  <rguenther@suse.de>
6349         PR tree-optimization/56049
6350         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
6351         equality check if alias-set zero will prevail.
6353 2019-04-15  Jeff Law  <law@redhat.com>
6355         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
6356         size and alignment as unsigned.
6358 2019-04-15  Richard Biener  <rguenther@suse.de>
6360         PR debug/90074
6361         * tree-loop-distribution.c (destroy_loop): Preserve correct
6362         debug info.
6364 2019-04-15  Richard Biener  <rguenther@suse.de>
6366         PR tree-optimization/90071
6367         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
6368         abnormal operands from def stmts.
6370 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
6372         PR rtl-optimization/89794
6373         * combine.c (count_auto_inc): New function.
6374         (try_combine): Count how many auto_inc expressions there were in the
6375         original instructions.  Ensure we have the same number in the new
6376         instructions.  Remove the code that tried to ensure auto_inc side
6377         effects on i1 and i0 are not lost.
6379 2019-04-15  Richard Biener  <rguenther@suse.de>
6381         PR ipa/88936
6382         * tree.h (auto_var_p): Declare.
6383         * tree.c (auto_var_p): New function, split out from ...
6384         (auto_var_in_fn_p): ... here.
6385         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
6386         member.
6387         (new_var_info): Initialize it.
6388         (set_uids_in_ptset): Also set the shadow variable uid if required.
6389         (ipa_pta_execute): Postprocess points-to solutions assigning
6390         shadow variable uids for locals that may reach their containing
6391         function recursively.
6392         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
6393         assert but instead check whether the points-to solution is
6394         a singleton.
6396 2019-04-15  Martin Jambor  <mjambor@suse.cz>
6398         PR ipa/pr89693
6399         * cgraph.c (clone_of_p): Loop over clone chain for each step in
6400         the thunk chain.
6402 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
6404         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
6406 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
6407             Kito Cheng  <kito.cheng@gmail.com>
6408             Shiva Chen  <shiva0217@gmail.com>
6410         * config/nds32/nds32-md-auxiliary.c
6411         (nds32_legitimize_pic_address): Use new PIC pattern.
6412         (nds32_legitimize_tls_address): Use new TLS pattern.
6413         (nds32_output_symrel): New.
6414         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
6415         (nds32_alloc_relax_group_id): Ditto.
6416         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
6417         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
6418         relax_group_id.
6419         (nds32_group_tls_insn): Ditto.
6420         (nds32_group_float_insns): Ditto.
6421         * config/nds32/nds32.md (tls_le): New.
6422         (sym_got): Ditto.
6424 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
6426         * configure: Add nds32 target for dwarf2 debug_line checking.
6427         * configure.ac: Regenerated.
6429 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
6431         PR lto/89358
6432         * ipa-devirt.c (skip_in_fields_list_p): New.
6433         (odr_types_equivalent_p): Use it.
6435 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
6437         PR target/89093
6438         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
6439         instead of strncmp when checking for thumb and arm.  Formatting fixes.
6441 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
6443         * doc/install.texi: Document --with-target-system-zlib.
6445 2019-04-12  Martin Sebor  <msebor@redhat.com>
6447         PR c/88383
6448         PR c/89288
6449         PR c/89798
6450         PR c/89797
6451         * targhooks.c (default_vector_alignment): Avoid assuming
6452         argument fits in SHWI.
6453         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
6454         a shift expression.
6455         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
6457 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
6459         PR rtl-optimization/89965
6460         * dce.c: Include rtl-iter.h.
6461         (struct check_argument_load_data): New type.
6462         (check_argument_load): New function.
6463         (find_call_stack_args): Check for loads from stack slots still tracked
6464         in sp_bytes and punt if any is found.
6466         * config/mips/loongson-mmiintrin.h: Fix up #error message.
6468 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
6470         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
6471         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
6473 2019-04-12  Martin Liska  <mliska@suse.cz>
6475         PR middle-end/89970
6476         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
6477         in error message.
6478         (separate_attrs): Handle multiple 'default's.
6479         (expand_target_clones): Rework error handling code.
6481 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6483         PR target/87532
6484         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
6485         mode of vector rather than mode of destination for move instruction.
6486         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
6487         Use QI inner mode with V16QI vector mode.
6489 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
6491         PR target/52726
6492         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
6493         "invalid %%t operand" in output_operand_lossage message.
6495 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
6497         * config/s390/predicates.md (permute_pattern_operand): New
6498         predicate.
6499         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
6500         operand for the permute pattern.
6501         ("*vec_perm<mode>"): New insn definition.
6502         ("bswap<mode>"): Generate the permute pattern operand in the
6503         expander and perform the operand reloads for pre arch13 level
6504         already.
6505         ("*bswap<mode>_emu"): Rename to ...
6506         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
6507         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
6508         Add the USE operand for the permute pattern.
6509         ("*vec_set_bswap_vec<mode>"): Likewise.
6511 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
6513         PR c/89946
6514         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
6515         and gcc_unreachable if it fails, just call tree_to_uhwi which
6516         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
6517         Start warning message with a lower-case letter.  Formatting fixes.
6519         PR rtl-optimization/90026
6520         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
6521         successors, look for BARRIERs inside of the whole BB_FOOTER chain
6522         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
6523         in cfglayout mode, use emit_barrier_after_bb.
6525 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
6527         PR rtl-optimization/87763
6528         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
6529         New Instruction.
6531 2019-04-11  Tom de Vries  <tdevries@suse.de>
6533         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
6534         max macro using statement expression.
6536 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
6538         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
6539         * xcoffout.c (xcoff_private_rodata_section_name): Define.
6540         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
6541         read_only_private_data_section using xcoff_private_rodata_section_name.
6542         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
6544 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
6546         PR target/90016
6547         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
6549 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
6551         PR rtl-optimization/89965
6552         * dce.c (sp_based_mem_offset): New function.
6553         (find_call_stack_args): Use sp_based_mem_offset.
6555 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
6557         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
6559 2019-04-11  Richard Biener  <rguenther@suse.de>
6561         PR tree-optimization/90020
6562         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
6563         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
6564         * tree-ssa-pre.c (compute_avail): Use it to not put
6565         possibly trapping references after a call that might not
6566         return into EXP_GEN.
6567         * gcse.c (compute_hash_table_work): Do not elide
6568         marking a block containing a call if the call might not
6569         return.
6571 2019-04-11  Richard Biener  <rguenther@suse.de>
6573         PR tree-optimization/90018
6574         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
6575         Test both SLP and interleaving variants.
6577 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
6579         * config/s390/8561.md: New file.
6580         * config/s390/driver-native.c (s390_host_detect_local_cpu):
6581         Add arch13 cpu model.
6582         * config/s390/s390-opts.h (enum processor_type): Likewise.
6583         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
6584         (s390_get_unit_mask): Likewise.
6585         (s390_is_fpd): Likewise.
6586         (s390_is_fxd): Likewise.
6587         * config/s390/s390.h (s390_tune_attr): Likewise.
6588         * config/s390/s390.md: Include arch13 pipeline description.
6589         * config/s390/s390.opt: Add arch13.
6591 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
6593         PR rtl-optimization/87763
6594         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
6595         New prototype.
6596         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
6597         New function.
6598         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
6599         New instruction.
6600         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
6601         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
6602         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
6603         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
6605 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
6607         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
6608         "Although" in -fipa-icf documentation.
6610         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
6611         of using multiple -g options.
6613 2019-04-10  Martin Liska  <mliska@suse.cz>
6615         PR gcov-profile/89959
6616         * doc/gcov.texi: Make documentation of -x option
6617         more precise.
6619 2019-04-10  Richard Biener  <rguenther@suse.de>
6621         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
6622         member.
6623         (DR_GROUP_SAME_DR_STMT): Remove.
6624         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
6625         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
6626         replace with assert.
6627         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
6628         (vect_record_grouped_load_vectors): Remove unreachable code.
6630 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
6632         PR target/90016
6633         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
6634         obsolete reference to N.
6636 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
6638         PR middle-end/90025
6639         * expr.c (store_expr): Set properly size on the MEM passed to
6640         clear_storage.
6642         PR c++/90010
6643         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
6644         with strlen in between hostsz-3 and hostsz-1 inclusive when no
6645         translation is needed, and when translation is needed, only append
6646         ... if the string length is hostsz or more bytes long.  Avoid using
6647         strncpy or strcat.
6649 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
6651         PR target/90024
6652         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
6653         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
6654         into three.
6655         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
6656         differences directly.
6657         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
6659 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
6661         PR translation/90011
6662         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6663         from diagnostics.
6664         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
6665         diagnostics.
6666         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
6667         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
6668         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
6669         trailing space from -gsplit-dwarf diagnostics.
6671         PR tree-optimization/89998
6672         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
6673         instead of integer_type_node if possible, don't add ranges if return
6674         type is not compatible with int.
6675         * gimple-fold.c (gimple_fold_builtin_sprintf,
6676         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
6677         integer_type_node.
6679 2019-04-09  Martin Liska  <mliska@suse.cz>
6681         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
6682         * doc/install.texi: Document the new config.
6684 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
6686         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
6687         use gimple_expr_type for load and store calls.  Skip over the
6688         condition argument in a conditional internal function.
6689         Protect use of TREE_INT_CST_LOW.
6691 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
6693         PR target/90015
6694         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
6695         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
6696         trailing period from it too.
6698 2019-04-08  wu yuan  <wuyuan5@huawei.com>
6700         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
6701         * config/aarch64/aarch64.md : Add "tsv110.md"
6702         * config/aarch64/tsv110.md: New file.
6704 2019-04-08  Richard Biener  <rguenther@suse.de>
6706         PR tree-optimization/90006
6707         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
6708         calls like lrint.
6710 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
6712         PR target/83033
6713         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
6714         construction.
6715         (fma_root_node): Likewise.
6716         (func_fma_steering): Likewise.
6718 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
6720         PR rtl-optimization/89865
6721         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
6723         PR rtl-optimization/89865
6724         * config/i386/i386.md
6725         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
6726         numbers not to clash with the additional operands[4].
6727         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
6728         with extra register copy in the middle.
6730 2019-04-08  Martin Liska  <mliska@suse.cz>
6732         PR gcov-profile/89961
6733         * doc/gcov.texi: Document data_file.
6734         * gcov.c (generate_results): Add data_info into JSON output.
6736 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
6738         PR tree-optimization/89725
6739         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
6740         loop's chrec as invariant symbol.
6741         * tree-chrec.h (chrec_contains_symbols): New parameter.
6742         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
6743         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
6744         function of loops not in DDR's loop_nest.
6745         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
6747 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
6749         PR target/89623
6750         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
6751         Mask.
6753 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
6755         PR target/89945
6756         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
6757         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
6759 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
6761         * sched-deps.c (sched_macro_fuse_insns): Check return value of
6762         targetm.fixed_condition_code_regs.
6764 2019-04-05  Richard Biener  <rguenther@suse.de>
6766         PR debug/89892
6767         PR debug/89905
6768         * tree-cfgcleanup.c (remove_forwarder_block): Always move
6769         debug bind stmts but reset them if they are not valid at the
6770         destination.
6772 2019-04-05  Martin Liska  <mliska@suse.cz>
6774         PR translation/89936
6775         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
6776         order to wrap keywords or arguments.
6777         * collect2.c (main): Likewise.
6778         (scan_prog_file): Likewise.
6779         (scan_libraries): Likewise.
6780         * common/config/riscv/riscv-common.c
6781         (riscv_subset_list::parsing_subset_version): Likewise.
6782         (riscv_subset_list::parse_std_ext): Likewise.
6783         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6784         Likewise.
6785         * config/arm/arm.c (arm_option_override): Likewise.
6786         * config/cris/cris.c (cris_print_operand): Likewise.
6787         * config/darwin-c.c (darwin_pragma_options): Likewise.
6788         (darwin_pragma_unused): Likewise.
6789         (darwin_pragma_ms_struct): Likewise.
6790         * config/ft32/ft32.c (ft32_print_operand): Likewise.
6791         * config/i386/i386.c (print_reg): Likewise.
6792         (ix86_print_operand): Likewise.
6793         * config/i386/xm-djgpp.h: Likewise.
6794         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
6795         * config/m32c/m32c.c (m32c_option_override): Likewise.
6796         * config/msp430/msp430.c (msp430_option_override): Likewise.
6797         * config/nds32/nds32.c (nds32_option_override): Likewise.
6798         * config/nvptx/mkoffload.c (main): Likewise.
6799         * config/rx/rx.c (rx_print_operand): Likewise.
6800         (valid_psw_flag): Likewise.
6801         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
6802         (vms_pragma_nomember_alignment): Likewise.
6803         (vms_pragma_extern_model): Likewise.
6804         * lto-wrapper.c (compile_offload_image): Likewise.
6805         * omp-offload.c (oacc_parse_default_dims): Likewise.
6806         * symtab.c (symtab_node::verify_base): Likewise.
6807         * tlink.c (recompile_files): Likewise.
6808         (start_tweaking): Likewise.
6809         * tree-profile.c (parse_profile_filter): Likewise.
6811 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
6813         PR tree-optimization/89956
6814         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
6815         multiple negates of the same value.
6817 2019-04-04  Martin Sebor  <msebor@redhat.com>
6819         PR middle-end/89957
6820         PR middle-end/89911
6821         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
6822         have the same precision since the function crashes otherwise.
6823         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
6824         has non-zero arguments.
6826 2019-04-04  Martin Sebor  <msebor@redhat.com>
6828         PR middle-end/89934
6829         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
6830         out if the number of arguments is less than expected.
6832 2019-04-04  Jeff Law  <law@redhat.com>
6834         PR rtl-optimization/89399
6835         * ree.c (combine_set_extension): Use single_set rather than
6836         digging into PATTERN for items on the candidate list.
6837         (combine_reaching_defs): Likewise.
6839 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
6841         PR rtl-optimization/46590
6842         * loop-invariant.c (find_defs): Move df_remove_problem and
6843         df_process_deferred_rescans to move_invariants.
6844         Move df_live_add_problem and df_live_set_all_dirty calls
6845         to move_invariants.
6846         (move_invariants): Likewise.
6847         (move_loop_invariants): Likewise, making the df_live calls
6848         conditional on -O.  Remove the problem again if we added it
6849         locally.
6851 2019-04-03  qing zhao  <qing.zhao@oracle.com>
6853         PR tree-optimization/89730
6854         * ipa-inline.c (can_inline_edge_p): Delete the checking for
6855         -flive-patching=inline-only-static.
6856         (can_inline_edge_by_limits_p): Add the checking for
6857         -flive-patching=inline-only-static and grant always_inline
6858         even when -flive-patching=inline-only-static is specified.
6860 2019-04-03  Jeff Law  <law@redhat.com>
6862         PR rtl-optimization/81025
6863         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
6865 2019-04-03  Richard Biener  <rguenther@suse.de>
6867         PR tree-optimization/84101
6868         * tree-vect-stmts.c: Include explow.h for hard_function_value,
6869         regs.h for hard_regno_nregs.
6870         (cfun_returns): New helper.
6871         (vect_model_store_cost): When vectorizing a store to a decl
6872         we return and the function ABI returns in a multi-reg location
6873         account for the possible spilling that will happen.
6875 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
6877         * config/s390/s390.c (s390_legitimate_address_p): Reject long
6878         displacement addresses for vector mode operands.
6880 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
6882         * config/arc/arc.c (GMASK_LEN): Define.
6883         (arc_restore_callee_saves): Restore first blink when
6884         !optimize_size.
6886 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
6888         * doc/extend.texi: Add deprecated comment on sign-return-address
6889         function attribute and add mbranch-protection.
6890         * doc/invoke.texi: Add bti to the options for mbranch-protection.
6892 2019-04-03  Richard Biener  <rguenther@suse.de>
6894         PR lto/89896
6895         * lto-wrapper.c (run_gcc): Avoid implicit rules making
6896         the all target phony.
6898 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
6900         PR target/89902
6901         PR target/89903
6902         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
6903         Return false for variable DImode shifts.
6904         (dimode_scalar_chain::compute_convert_gain): Do not handle
6905         register count operand in variable DImode shifts.
6906         (dimode_scalar_chain::make_vector_copies): Remove support to copy
6907         count argument of a variable shift instruction to a vector register.
6908         (dimode_scalar_chain::convert_reg): Remove support to convert
6909         count argument of a variable shift instruction.
6911 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
6913         PR rtl-optimization/84206
6914         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
6915         iterating over loop headers.
6917 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
6919         PR rtl-optimization/85876
6920         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
6921         beyond the original fence.
6923 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
6925         * config.gcc: Mark spu* targets as deprecated/obsolete.
6927 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6929         * config/s390/s390-builtin-types.def: New builtin function type
6930         definitions. Remove unused types.
6931         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
6932         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
6933         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
6934         overloaded builtins.
6935         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
6936         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
6937         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
6938         (vec_double, vec_signed, vec_unsigned): Define to use the new
6939         overloaded builtins.
6940         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
6941         Remove expanders.
6943 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6945         * config/s390/s390-builtin-types.def: New builtin function type
6946         definitions.
6947         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
6948         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
6949         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
6950         (s390_vstrszh, s390_vstrszf): New low-level builtins.
6951         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
6952         constant definitions.
6953         * config/s390/vecintrin.h (vec_search_string_cc)
6954         (vec_search_string_until_zero_cc): New builtin name definitions.
6955         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
6956         expanders.
6957         ("vec_vstrs<mode>"): New insn definition.
6959 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6961         * config/s390/s390-builtin-types.def: Add new builtin function
6962         types.
6963         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
6964         New overloaded builtins.
6965         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
6966         s390_vsrd.
6967         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
6968         (UNSPEC_VEC_SLDBYTE): ... this.
6969         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
6970         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
6971         definitions.
6972         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
6973         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
6974         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
6976 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6978         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
6979         New insn definition.
6980         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
6981         * config/s390/vector.md (V_HW_HSD): ... here.
6983 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6985         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
6986         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
6987         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
6988         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
6989         New insn definitions.
6991 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6993         * config/s390/s390-builtin-types.def: Add new builtin function type.
6994         * config/s390/s390-builtins.def: Add overloaded builtin
6995         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
6996         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
6997         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
6998         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
6999         ("eltswap<mode>"): New expander.
7000         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
7001         insn definitions.
7003 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7005         * config/s390/s390-builtin-types.def: Add new builtin function types.
7006         * config/s390/s390-builtins.def: Add overloaded builtin
7007         s390_vec_revb. Add low-level builtins for vlbr and vstbr
7008         instructions.
7009         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
7010         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
7011         ("bswap<mode>"): New expander.
7012         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
7014 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7016         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
7017         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
7018         vector builtin version number in __VEC__.
7020 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7022         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
7023         iterators.
7024         (SFSI): New mode attribute.
7025         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
7026         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
7027         rename to ...
7028         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
7029         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
7030         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
7031         ("floatsi<mode>2"): Add wcefb instruction.
7033 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7035         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
7036         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
7037         mode iterators.
7038         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
7039         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
7040         support 32 bit fp-int conversions. Rename to ...
7041         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
7042         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
7043         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
7044         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
7045         ... to these.
7047 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7049         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
7050         if-then-else constructs if we can use the select instruction.
7051         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
7053 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7055         * config/s390/s390.md ("*popcountdi_arch13_cc")
7056         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
7057         definition.
7058         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
7059         Append _z196 to make it ...
7060         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
7061         ("popcounthi2_z196"): ... this.
7062         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
7063         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
7065 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7067         * config/s390/s390.c (s390_canonicalize_comparison): Convert
7068         certain compares for arch13 in order to make use of the condition
7069         code result produced by the new instructions.
7070         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
7071         nxrk, and nxgrk instruction patterns.
7072         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
7073         (inv_no): Add new code iterator together with some attributes.
7074         ("*andc_split_<mode>"): Disable splitter for arch13.
7075         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
7076         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
7077         ("*<ANDOR:bitops_name>c<GPR:mode>")
7078         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
7079         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
7080         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
7081         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
7083 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
7085         * common/config/s390/s390-common.c (processor_flags_table): New
7086         entry for arch13.
7087         * config.gcc: Support arch13 with the --with-arch= configure flag.
7088         * config/s390/driver-native.c (s390_host_detect_local_cpu):
7089         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
7090         * config/s390/s390.c (s390_get_sched_attrmask)
7091         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
7092         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
7093         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
7094         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
7095         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
7096         definitions.
7097         * config/s390/s390.opt: Support arch13 as processor type in
7098         command line options.
7100 2019-04-02  Martin Liska  <mliska@suse.cz>
7102         PR translation/89912
7103         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
7104         Fix param description of graphite-max-arrays-per-scop.
7106 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
7108         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
7109         (ASAN_CC1_SPEC): Use it in 64-bit mode.
7110         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
7112 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
7114         PR rtl-optimization/85412
7115         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
7116         sel_sched_region_1, not after.
7118 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
7120         PR rtl-optimization/86928
7121         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
7122         compute_live if necessary.
7123         (sel_redirect_edge_and_branch): Likewise.
7125 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
7127         PR rtl-optimization/89865
7128         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
7129         register if it is a part of small class.
7131 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
7133         PR rtl-optimization/87273
7134         * sel-sched-ir.c (merge_fences): Remove assert.
7136 2019-04-01  Richard Biener  <rguenther@suse.de>
7138         PR tree-optimization/46590
7139         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
7140         (dom_walker::m_reachability): Add in place of...
7141         (dom_walker::m_skip_unreachable_blocks): ...this.
7142         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
7143         Move complex initialization ...
7144         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
7145         lazily and initialize edge flags on each invocation.
7146         (dom_walker::bb_reachable): Use m_reachability.
7148 2019-04-01  Martin Liska  <mliska@suse.cz>
7150         PR driver/89861
7151         * opt-suggestions.c (option_proposer::build_option_suggestions):
7152         Add variant without any argument in order to provide better
7153         hints.
7155 2019-04-01  Richard Biener  <rguenther@suse.de>
7157         PR c/71598
7158         * gimple.c: Include langhooks.h.
7159         (gimple_get_alias_set): Treat enumeral types as the underlying
7160         integer type.
7162 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
7163             Eric Botcazou  <ebotcazou@adacore.com>
7165         PR rtl-optimization/89862
7166         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
7167         that operates on the full registers for WORD_REGISTER_OPERATIONS
7168         architectures.
7170 2019-03-29  Jim Wilson  <jimw@sifive.com>
7172         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
7173         Clear MASK_RVC and then set if C subset supported.
7175 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
7177         PR c/89872
7178         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
7179         non-addressable complit into its initializer if it is volatile.
7181 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
7183         * opts-common.c (integral_argument): Set errno properly in one case.
7185 2019-03-29  Martin Liska  <mliska@suse.cz>
7187         * doc/invoke.texi: Remove -Wchkp from documentation.
7189 2019-03-29  Martin Liska  <mliska@suse.cz>
7191         * dbgcnt.c (print_limit_reach): New function.
7192         (dbg_cnt): Use it.
7194 2019-03-29  Martin Liska  <mliska@suse.cz>
7196         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
7197         (dbg_cnt_process_opt): Parse first tokens aas
7198         dbg_cnt_process_single_pair is also using strtok.
7200 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
7202         PR rtl-optimization/87485
7203         * function.c (expand_function_end): Move stack_protect_epilogue
7204         before loading of return value into hard register(s).
7206 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
7208         PR middle-end/89621
7209         * tree-inline.h (struct copy_body_data): Add
7210         dont_remap_vla_if_no_change flag.
7211         * tree-inline.c (remap_type_3, remap_type_2): New functions.
7212         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
7213         and remap_type_2 returns false.
7214         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
7215         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
7216         only from where it is copied to nested contexts.
7218 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
7220         PR target/89865
7221         * config/i386/i386.md (RMW operation with LEA peephole):
7222         Use LEAMODE mode attribute instead of SWI mode iterator for
7223         LEA pattern.
7225 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
7227         PR target/89848
7228         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
7229         Also process XEXP (src, 0) of a shift insn.
7231 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
7233         PR middle-end/89725
7234         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
7235         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
7237 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
7239         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
7240         test.
7241         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
7242         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
7243         immediately after first one with df_analyze in between, but rather
7244         process all bbs, queueing ones that need second pass in a worklist,
7245         df_analyze, process queued debug insn changes and if second pass is
7246         needed, process bbs from worklist, df_analyze, process queued debug
7247         insns again.
7249         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
7250         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
7251         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
7253 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
7255         PR c/79022
7256         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
7257         definition.
7259 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
7261         PR target/85667
7262         * config/i386/i386.c (ix86_function_value_1): Call the newly added
7263         function for 32-bit MS_ABI.
7264         (function_value_ms_32): New function.
7266 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
7268         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
7269         (movdi): Call gen_movdi_symbol_save_scc.
7270         (gen_movdi_symbol_save_scc): New insn and split.
7272 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
7274         PR rtl-optimization/89313
7275         * function.c (matching_constraint_num): New static function.
7276         (match_asm_constraints_1): Use it.  Fixup white space and comment.
7277         Don't replace inputs with non-matching constraints which conflict
7278         with early clobber outputs.
7280 2019-03-27  Jeff Law  <law@redhat.com>
7283         PR rtl-optimization/87761
7284         PR rtl-optimization/89826
7285         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
7286         slightly later.
7287         (pass_cprop_hardreg::execute): Call df_analyze after adding the
7288         note problem to get REG_DEAD/REG_UNUSED notes updated.
7290 2019-03-27  Richard Biener  <rguenther@suse.de>
7292         PR tree-optimization/89463
7293         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
7294         queue edges to remove.
7295         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
7296         dead stmts.  Delay edge removal until PHIs are removed to
7297         make debug-stmt creation not confused by seemingly degenerate
7298         PHIs.
7300 2019-03-27  Alan Modra  <amodra@gmail.com>
7302         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
7303         throughout file.
7304         * config/rs6000/darwin.h: Likewise.
7305         * config/rs6000/rs6000.c: Likewise.
7307 2019-03-27  Alan Modra  <amodra@gmail.com>
7309         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
7310         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
7312 2019-03-26  Andrew Waterman  <andrew@sifive.com>
7313             Jim Wilson  <jimw@sifive.com>
7315         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
7316         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
7317         (generic_idivdi, generic_fmul_single, generic_fmul_double)
7318         (generic_fdiv, generic_fsqrt): Add check for generic tune.
7319         (generic_alu): Add auipc to type list.
7320         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
7321         (riscv_microarchitecture): Declare.
7322         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
7323         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
7324         field.
7325         (riscv_microarchitecture): New.
7326         (sifive_7_tune_info): New.
7327         (riscv_cpu_info_table): Add microarchitecture value for rocket and
7328         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
7329         entries.
7330         (riscv_store_data_bypass_p): New.
7331         (riscv_option_override): Set riscv_microarchitecture from
7332         cpu->microarchitecture.
7333         * config/riscv/riscv.md: Include sifive-7.md.
7334         (type): Add auipc.
7335         (tune): New.
7336         (auipc<mode>): Change type to auipc.
7337         (restore_stack_nonlocal): New.
7338         * config/riscv/sifive-7.md: New.
7339         * doc/invoke.texi (RISC-V Options): Update mtune docs.
7341 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
7343         PR target/89827
7344         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
7345         Also process XEXP (src, 0) of a shift insn.
7347 2019-03-26  Richard Biener  <rguenther@suse.de>
7349         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
7350         (copy_debug_stmt): Likewise.
7351         (expand_call_inline): Likewise.
7352         (copy_bb): Avoid redundant lookup & set of gimple_block.
7353         * gimple-low.c (lower_gimple_return): Likewise.
7354         (lower_builtin_setjmp): Likewise.
7356 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
7358         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
7359         is constant 0, turn into static const data member initialized to false.
7360         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
7361         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
7363 2019-03-26  Jason Merrill  <jason@redhat.com>
7364             Jakub Jelinek  <jakub@redhat.com>
7366         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
7367         method.
7368         (mem_alloc_description::release_object_overhead): Fix comment typos.
7369         * hash-table.h (hash_table::~hash_table): Call
7370         release_instance_overhead only if m_entries is non-NULL, otherwise
7371         call unregister_descriptor.
7373 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
7375         PR tree-optimization/81740
7376         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
7377         In case of outer loop vectorization, check for backward dependence
7378         at the inner loop if outer loop dependence is reversed.
7380 2019-03-26  Alan Modra  <amodra@gmail.com>
7382         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
7383         rs6000_vector_mem init.  Correct wI and wJ comment.
7385 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
7387         PR rtl-optimization/88347
7388         PR rtl-optimization/88423
7389         * sched-deps.c (sched_analyze_insn): Take into account that for
7390         tablejumps the barrier appears after a label and a jump_table_data.
7392 2019-03-25  Martin Sebor  <msebor@redhat.com>
7394         PR c/89812
7395         * c-common.c (check_user_alignment): Rename local.  Correct maximum
7396         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
7397         convert it to UHWI when it fits.
7399 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
7401         PR debug/86964
7402         * dwarf2out.c (premark_used_variables): New function.
7403         (prune_unused_types_walk): Do not mark not premarked external
7404         variables.
7405         (prune_unused_types): Call premark_used_variables.
7407 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
7409         PR rtl-optimization/89676
7410         * lra-constraints.c (curr_insn_transform): Do match reload for
7411         early clobbers when the match was successful only for different
7412         registers.
7414 2019-03-25  Martin Sebor  <msebor@redhat.com>
7416         * doc/extend.texi (Common Type Attributes): Document vector_size.
7417         (Common Variable Attributes): Mention size constraint.  Correct
7418         quoting and typos.
7419         (Vector Extensions): Use @dfn when defining bas type.  Clarify
7420         base type and size constraints.
7422 2019-03-25  Richard Biener  <rguenther@suse.de>
7424         PR tree-optimization/89789
7425         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
7426         changes from non-undefined back to undefined.
7428 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
7430         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
7431         heap string and a gc string, but since this variable is unknown to
7432         ggc the gc string might get reused and corrupted. Fixed by always
7433         using a heap string.
7435 2019-03-25  Richard Biener  <rguenther@suse.de>
7437         PR tree-optimization/89779
7438         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
7439         to remove IV defs, delay actual removal.
7440         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
7441         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
7442         very end, properly also reset loop control IV information.
7444 2019-03-25  Richard Biener  <rguenther@suse.de>
7446         PR tree-optimization/89802
7447         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
7448         move EH data to folded stmt.
7450 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
7452         * config/s390/s390-builtin-types.def: Remove few unused types and
7453         fix sort order for others.
7455 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
7457         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
7458         expected and found types with -mdebug during builtin matching.
7460 2019-03-25  Richard Biener  <rguenther@suse.de>
7462         PR middle-end/89790
7463         * fold-const.c (operand_equal_p): Revert last change with
7464         updated comment.
7466 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
7468         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
7469         notes for the result of the __tls_get_addr calls.
7470         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
7472 2019-03-24  Jeff Law  <law@redhat.com>
7474         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
7476         PR rtl-optimization/87761
7477         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
7478         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
7479         as needed.
7480         (pass_cprop_hardreg::execute): Add df note problem and defer insn
7481         rescans.  Reprocess blocks as needed, calling df_analyze before
7482         reprocessing.  Always call df_analyze before fixing up debug bind
7483         insns.
7485 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
7487         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
7488         big endian.
7490 2019-03-22  Andrew Pinski  <apinski@marvell.com>
7492         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
7493         attrribute for uxtw.
7495 2019-03-26  Jeff Law  <law@redhat.com>
7497         PR rtl-optimization/87761
7498         * config/mips/mips-protos.h (mips_split_move): Add new argument.
7499         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
7500         (mips_split_move): Accept new INSN argument.  Try to forward SRC
7501         into the next instruction.
7502         (mips_split_move_insn): Pass INSN through to mips_split_move.
7504 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
7506         PR rtl-optimization/89676
7507         * lra-constraints.c (curr_insn_transform): Do match reload for
7508         early clobbers even if the match was successful.
7510 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
7512         PR c++/87481
7513         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
7515 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
7517         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
7519 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
7521         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
7522         <avx512>_fmsub_<mode>_mask3<round_name>,
7523         <avx512>_fnmadd_<mode>_mask3<round_name>,
7524         <avx512>_fnmsub_<mode>_mask3<round_name>,
7525         avx512f_vmfmadd_<mode>_mask3<round_name>,
7526         avx512f_vmfmsub_<mode>_mask3<round_name>,
7527         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
7528         instead of register_operand and %v instead of v for match_operand 1.
7529         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
7530         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
7531         <round_nimm_predicate> instead of register_operand and %v instead of v
7532         for match_operand 1.
7534         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
7535         <avx512>_fmadd_<mode>_mask3<round_name>,
7536         <avx512>_fmsub_<mode>_mask<round_name>,
7537         <avx512>_fmsub_<mode>_mask3<round_name>,
7538         <avx512>_fnmadd_<mode>_mask<round_name>,
7539         <avx512>_fnmadd_<mode>_mask3<round_name>,
7540         <avx512>_fnmsub_<mode>_mask<round_name>,
7541         <avx512>_fnmsub_<mode>_mask3<round_name>,
7542         <avx512>_fmaddsub_<mode>_mask<round_name>,
7543         <avx512>_fmaddsub_<mode>_mask3<round_name>,
7544         <avx512>_fmsubadd_<mode>_mask<round_name>,
7545         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
7546         <round_nimm_predicate> instead of nonimmediate_operand.
7547         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
7548         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
7549         Use register_operand instead of <round_nimm_predicate> for the
7550         operand that needs to match output.
7551         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
7552         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
7553         Likewise.  Formatting fixes.
7555         PR target/89784
7556         * config/i386/i386.c (enum ix86_builtins): Remove
7557         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
7558         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
7559         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
7560         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
7561         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
7562         __builtin_ia32_vfmsubss3_mask3): New builtins.
7563         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
7564         avx512f_vmfmadd_<mode>_mask3<round_name>,
7565         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
7566         *avx512f_vmfmsub_<mode>_mask<round_name>,
7567         avx512f_vmfmsub_<mode>_mask3<round_name>,
7568         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
7569         *avx512f_vmfnmadd_<mode>_mask<round_name>,
7570         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
7571         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
7572         *avx512f_vmfnmsub_<mode>_mask<round_name>,
7573         avx512f_vmfnmsub_<mode>_mask3<round_name>,
7574         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
7575         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
7576         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
7577         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
7578         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
7579         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
7580         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
7581         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
7582         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
7583         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
7584         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
7585         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
7586         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
7587         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
7588         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
7589         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
7590         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
7591         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
7592         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
7593         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
7594         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
7595         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
7597 2019-03-21  Martin Sebor  <msebor@redhat.com>
7599         PR tree-optimization/89350
7600         * builtins.c (compute_objsize): Also ignore offsets whose upper
7601         bound is negative.
7602         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
7603         (builtin_memref::builtin_memref): Initialize new member.
7604         Allow EXPR to be null.
7605         (builtin_memref::extend_offset_range): Replace local with a member.
7606         Avoid assuming pointer offsets are unsigned.
7607         (builtin_memref::set_base_and_offset): Determine base object
7608         before computing offset range.
7609         (builtin_access::builtin_access): Handle memset.
7610         (builtin_access::generic_overlap): Replace local with a member.
7611         (builtin_access::strcat_overlap): Same.
7612         (builtin_access::overlap): Same.
7613         (maybe_diag_overlap): Same.
7614         (maybe_diag_access_bounds): Same.
7615         (wrestrict_dom_walker::check_call): Handle memset.
7616         (check_bounds_or_overlap): Same.
7618 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
7619             Jakub Jelinek  <jakub@redhat.com>
7621         PR lto/89692
7622         * tree.c (fld_type_variant, fld_incomplete_type_of,
7623         fld_process_array_type): Call fld->pset.add and don't call
7624         add_tree_to_fld_list if it returns true.
7625         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
7626         non-marked types from TYPE_NEXT_VARIANT list.
7627         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
7629 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
7631         * hash-table.h (hash_table): Add Lazy template parameter defaulted
7632         to false, if true, don't alloc_entries during construction, but defer
7633         it to the first method that needs m_entries allocated.
7634         (hash_table::hash_table, hash_table::~hash_table,
7635         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
7636         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
7637         hash_table::clear_slot, hash_table::traverse_noresize,
7638         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
7639         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
7640         false.
7641         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
7642         NO_INSERT instead of find_with_hash.
7643         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
7644         hash_set::m_table): Add Lazy to template params of hash_table.
7645         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
7646         * attribs.c (test_attribute_exclusions): Likewise.
7647         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
7648         hash_set.  Add tests for hash_set with Lazy = true.
7650 2019-03-21  Richard Biener  <rguenther@suse.de>
7652         PR tree-optimization/89779
7653         * tree.c (tree_nop_conversion): Consolidate and fix defensive
7654         checks with respect to released SSA names now having error_mark_node
7655         type.
7656         * fold-const.c (operand_equal_p): Likewise.
7658 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
7660         PR target/89775
7661         * config/s390/s390.c (global_not_special_regno_p): Move to make it
7662         available to ...
7663         (s390_optimize_register_info): Use global_not_special_regno_p to
7664         check for global regs.
7666 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
7668         PR target/89752
7669         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
7670         update this_alternative nor this_alternative_set.
7672 2019-03-19  Jim Wilson  <jimw@sifive.com>
7674         PR target/89411
7675         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
7676         align, size, offset.  Use them to handle a BLKmode reference.  Update
7677         comment.
7678         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
7680 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
7682         PR rtl-optimization/89768
7683         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
7684         instead of GEN_INT.
7685         (unroll_loop_runtime_iterations): Likewise.
7687 2019-03-19  Martin Sebor  <msebor@redhat.com>
7689         PR tree-optimization/89644
7690         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
7691         rather than endptr as an indicator of nul-termination.
7693         PR tree-optimization/89644
7694         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
7695         arrays in determining sequence sizes in strncpy and stpncpy.
7697 2019-03-19  Martin Liska  <mliska@suse.cz>
7699         PR middle-end/89737
7700         * predict.c (combine_predictions_for_bb): Empty likely_edges and
7701         unlikely_edges if there's an edge that belongs to both these sets.
7703 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
7705         PR target/89746
7706         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
7707         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
7708         go via a stack temporary.
7710 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
7712         PR target/89378
7713         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
7714         instead of gen_rtx_SUBREG.
7715         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
7717 2019-03-19  Richard Biener  <rguenther@suse.de>
7719         PR debug/88389
7720         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
7722 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
7724         PR lto/87809
7725         PR lto/89335
7726         * tree.c (free_lang_data_in_decl): Do not free context of C++
7727         destrutors.
7729 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
7731         PR target/89506
7732         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
7733         subs for the first alternative except when operands[3] is 1.
7735         PR target/89752
7736         * gimplify.c (gimplify_asm_expr): For output argument with
7737         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
7738         diagnose error.
7740 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
7742         PR rtl-optimization/89753
7743         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
7744         explicit unrolling factor even more robust.
7746 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
7748         PR target/89726
7749         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
7750         compensation use x2 += 1 instead of x2 -= -1 and when honoring
7751         signed zeros, do another copysign after the compensation.
7753 2019-03-18  Martin Sebor  <msebor@redhat.com>
7755         PR tree-optimization/89720
7756         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
7757         more conservatively, the same as anti-range.
7759 2019-03-18  Richard Biener  <rguenther@suse.de>
7761         PR middle-end/88945
7762         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
7763         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
7764         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
7765         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
7767 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
7769         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
7770         Extend queue to 1024 entries.
7771         Add "consumed" field.
7772         (gomp_print_output): Remove print_index parameter.
7773         Add final parameter.
7774         Change limit to unsigned.
7775         Use consumed field to implement circular buffer.
7776         Detect interrupted print in final pass.
7777         Flush output at the end.
7778         (run): Update gomp_print_output usage.
7779         (main): Initialize kernargs->output_data.consumed.
7781 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
7783         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
7784         calculation of the minimum number of scalar iterations for
7785         fully-predicated loops.
7787 2019-03-18  Martin Jambor  <mjambor@suse.cz>
7789         PR tree-optimization/89546
7790         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
7791         any propagation to its children took place.
7793 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
7795         PR target/89627
7796         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
7797         parameter, and make use of it.
7798         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
7800 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
7802         * config/arc/arc.opt (mcode-density-frame): Get the inital value
7803         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
7804         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
7805         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
7806         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
7807         match what the ops is doing.
7808         (push_multi_fp_blink): Likewise.
7809         * config/arc/arc.c (arc_override_options): Enable enter/leave when
7810         compiling for size and elf target.
7811         (arc_save_callee_enter): Adjust note to match what enter/leave
7812         operation does.
7814 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
7816         * config/arc/arc.md (tst_movb): Fix constraint.
7818 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
7820         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
7822 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
7824         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
7825         * config/arc/arc.c (arc_conditional_register_usage): Remove all
7826         reg_alloc_order references.
7827         (size_alloc_order): Define.
7828         (arc_adjust_reg_alloc_order): New function.
7829         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
7830         order.
7831         (ADJUST_REG_ALLOC_ORDER): Define.
7832         (HONOR_REG_ALLOC_ORDER): Likewise.
7834 2019-03-18  Richard Biener  <rguenther@suse.de>
7836         PR target/87561
7837         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
7838         loads and stores a bit more.
7840 2019-03-18  Richard Biener  <rguenther@suse.de>
7842         PR target/87561
7843         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
7844         load pessimization to stores as well.
7846 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
7848         PR middle-end/86979
7849         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
7850         successor, use NULL as its av set.
7852 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
7854         PR rtl-optimization/89721
7855         * lra-constraints (invariant_p): Return false if side_effects_p holds.
7857 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7859         PR target/87532
7860         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7861         When handling vec_extract, use modular arithmetic to allow
7862         constant selectors greater than vector length.
7863         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
7864         V1TImode vectors to have constant selector values greater than 0.
7865         Use modular arithmetic to compute vector index.
7866         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
7867         index for in-memory vectors.  Correct code generation for
7868         in-register vectors.
7869         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
7870         compute index.
7872 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
7874         PR c++/88534
7875         PR c++/88537
7876         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
7877         VAR_DECL args.
7879 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
7881         PR c++/89709
7882         * tree.c (inchash::add_expr): Strip any location wrappers.
7883         * fold-const.c (operand_equal_p): Move stripping of location wrapper
7884         after hash verification.
7886         PR debug/89704
7887         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
7888         SIGN_EXTEND and ZERO_EXTEND.
7890 2019-03-14  Jason Merrill  <jason@redhat.com>
7891             Jakub Jelinek  <jakub@redhat.com>
7893         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
7894         than if is_empty (*slot).
7895         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
7896         existing elt and for elt removal.
7897         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
7898         of already removed elt.
7900 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
7902         PR target/89650
7903         * config/i386/i386.c (remove_partial_avx_dependency): Handle
7904         REG_EH_REGION note.
7906 2019-03-14  Martin Liska  <mliska@suse.cz>
7908         PR other/89712
7909         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
7911 2019-03-14  Richard Biener  <rguenther@suse.de>
7913         PR target/89711
7914         * config/i386/i386.c (make_resolver_func): Properly set
7915         DECL_CONTEXT on the RESULT_DECL.
7916         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
7918 2019-03-14  Richard Biener  <rguenther@suse.de>
7920         * gimple-pretty-print.c: Include cfgloop.h.
7921         (dump_gimple_phi): Adjust.
7922         (dump_gimple_bb_header): Dump loop header for GIMPLE.
7923         (pp_cfg_jump): Adjust.
7924         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
7925         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
7926         (lower_phi_internal_fn): Remove.
7927         (verify_gimple_call): Remove IFN_PHI special-casing.
7928         (dump_function_to_file): Dump IL state.
7929         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
7930         done to deal with PHI nodes being present in non-SSA state.
7932 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
7934         PR ipa/89684
7935         * multiple_target.c (create_dispatcher_calls): Change
7936         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
7937         In the node->iterate_referring loop, push *ref rather than ref, call
7938         ref->remove_reference () and always pass 0 to iterate_referring.
7940         PR rtl-optimization/89679
7941         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
7942         would contain a paradoxical SUBREG.
7944 2019-03-14  Richard Biener  <rguenther@suse.de>
7946         PR tree-optimization/89710
7947         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
7948         safe_dyn_cast.
7950 2019-03-14  Martin Liska  <mliska@suse.cz>
7952         * coverage.c (coverage_begin_function): Stream also
7953         end_column.
7954         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
7955         documentation about function declaration location.
7956         * gcov-dump.c (tag_function): Print whole range
7957         of function declaration.
7958         * gcov.c (struct function_info): Add end_column field.
7959         (function_info::function_info): Initialize it.
7960         (output_json_intermediate_file): Output {start,end}_column
7961         fields.
7962         (read_graph_file): Read end_column.
7964 2019-03-14  Richard Biener  <rguenther@suse.de>
7966         PR middle-end/89698
7967         * fold-const.c (operand_equal_p): For INDIRECT_REF check
7968         that the access types are similar.
7970 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
7972         PR tree-optimization/89703
7973         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
7974         aren't compatible also with builtin_decl_explicit.  Check pure
7975         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
7976         and BUILT_IN_STPNCPY{,_CHK}.
7978 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
7980         PR target/89523
7981         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
7982         addr32 prefix to VSIB address for X32.
7983         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
7984         "%M2" to opcode.
7985         (*avx512pf_gatherpf<mode>df_mask): Likewise.
7986         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
7987         (*avx512pf_scatterpf<mode>df_mask): Likewise.
7988         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
7989         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
7990         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
7991         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
7992         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
7993         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
7994         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
7995         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
7996         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
7997         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
7998         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
7999         (*avx512f_scatterdi<mode>): Likewise.
8001 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
8003         PR target/85860
8004         * lra-constraints.c (inherit_in_ebb): Update
8005         potential_reload_hard_regs along with live_hard_regs.
8007 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
8009         PR debug/89498
8010         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
8011         DWARF_OFFSET_SIZE.
8012         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
8014 2019-03-13  Martin Sebor  <msebor@redhat.com>
8016         PR tree-optimization/89662
8017         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
8018         has a size.
8020 2019-03-13  Richard Biener  <rguenther@suse.de>
8022         PR middle-end/89677
8023         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
8024         throw FP expressions at tree-affine.
8026 2019-03-14  Richard Biener  <rguenther@suse.de>
8028         * tree-pretty-print.c (dump_generic_node): For -gimple properly
8029         dump negative integer constants using _Literal (type) -num.
8031 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
8033         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
8034         nonlocal_value member.
8036         PR middle-end/88588
8037         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
8038         (ipa_simd_modify_function_body): Handle PHIs.
8040 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
8042         * config/s390/s390.c (s390_option_override_internal): Use more
8043         aggressive inlining parameters.
8045 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
8047         * config/s390/3906.md: New file.
8048         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
8049         (LONGRUNNING_THRESHOLD): Remove.
8050         (MAX_SCHED_MIX_SCORE): Decrease.
8051         (MAX_SCHED_MIX_DISTANCE): Decrease.
8052         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
8053         (struct s390_sched_state): New struct to hold scheduling state.
8054         (S390_SCHED_STATE_NORMAL): Remove.
8055         (S390_SCHED_STATE_CRACKED): Remove.
8056         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
8057         (s390_get_sched_attrmask): Use new attribute.
8058         (s390_get_unit_mask): Use new units.
8059         (s390_is_fpd): New function.
8060         (s390_is_fxd): New function.
8061         (s390_is_longrunning): New function.
8062         (s390_sched_score): Use new functions.
8063         (s390_sched_reorder): Likewise.
8064         (s390_sched_variable_issue): Rework and use new functions.
8065         (s390_sched_init): Use new functions.
8066         * config/s390/s390.h (s390_tune_attr):  Add z14.
8067         * config/s390/s390.md: Add z14.
8069 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
8071         * config/s390/2964.md: Update pipeline description.
8072         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
8073         (LONGRUNNING_THRESHOLD): Remove.
8074         (LATENCY_FACTOR): Remove.
8075         (s390_get_unit_mask): Add unit.
8076         (s390_sched_score): Use fxd/fpd.
8077         (s390_sched_variable_issue): Use fxd/fpd.
8079 2019-03-12  Martin Liska  <mliska@suse.cz>
8081         * config/i386/i386.c: Reword an error message.
8083 2019-03-12  Martin Jambor  <mjambor@suse.cz>
8085         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
8086         terminate with newline.
8088 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
8090         PR target/52726
8091         * config/s390/s390.md (tabort): Use %wd instead of
8092         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
8093         letters and periods.
8094         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
8095         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
8096         's with %< and %>.
8098         PR middle-end/89663
8099         * builtins.c (expand_builtin_int_roundingfn,
8100         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
8101         gcc_unreachable if validate_arglist fails.
8103 2019-03-12  Richard Biener  <rguenther@suse.de>
8105         PR tree-optimization/89664
8106         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
8107         free the occurance tree after the early out.
8109 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
8111         PR middle-end/89655
8112         PR bootstrap/89656
8113         * vr-values.c (vr_values::update_value_range): If
8114         old_vr->varying_p (), don't update it, make new_vr also VARYING
8115         and return false.
8117 2019-03-11  Martin Liska  <mliska@suse.cz>
8119         * config/aarch64/aarch64.c (aarch64_override_options_internal):
8120         Fix double string quoting.
8122 2019-03-11  Martin Liska  <mliska@suse.cz>
8124         * collect-utils.c (collect_wait): Wrap apostrophes
8125         in gcc internal format with %'.
8126         * collect2.c (main): Likewise.
8127         (scan_prog_file): Likewise.
8128         (scan_libraries): Likewise.
8129         * config/i386/i386.c (ix86_expand_call): Likewise.
8130         (ix86_handle_interrupt_attribute): Likewise.
8131         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
8132         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
8133         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
8134         * lto-wrapper.c (find_crtoffloadtable): Likewise.
8135         * symtab.c (symtab_node::verify_base): Likewise.
8136         * tree-cfg.c (verify_gimple_label): Likewise.
8137         * tree.c (verify_type_variant): Likewise.
8139 2019-03-11  Martin Liska  <mliska@suse.cz>
8141         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
8142         in a string format message and fix GNU coding style.
8143         (expand_builtin_set_thread_pointer): Likewise.
8144         * common/config/aarch64/aarch64-common.c
8145         (aarch64_rewrite_selected_cpu): Likewise.
8146         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
8147         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
8148         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
8149         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
8150         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
8151         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
8152         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
8153         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
8154         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
8155         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
8156         Likewise.
8157         * common/config/riscv/riscv-common.c
8158         (riscv_subset_list::parsing_subset_version): Likewise.
8159         (riscv_subset_list::parse_std_ext): Likewise.
8160         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
8161         (riscv_subset_list::parse): Likewise.
8162         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
8163         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
8164         (aarch64_override_options_internal): Likewise.
8165         (aarch64_validate_mcpu): Likewise.
8166         (aarch64_validate_march): Likewise.
8167         (aarch64_validate_mtune): Likewise.
8168         (aarch64_override_options): Likewise.
8169         * config/alpha/alpha.c (alpha_option_override): Likewise.
8170         * config/arc/arc.c (arc_init): Likewise.
8171         (parse_mrgf_banked_regs_option): Likewise.
8172         (arc_override_options): Likewise.
8173         (arc_expand_builtin_aligned): Likewise.
8174         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
8175         (arm_expand_builtin): Likewise.
8176         * config/arm/arm.c (arm_option_check_internal): Likewise.
8177         (arm_configure_build_target): Likewise.
8178         (arm_option_override): Likewise.
8179         (arm_options_perform_arch_sanity_checks): Likewise.
8180         (arm_handle_cmse_nonsecure_entry): Likewise.
8181         (arm_handle_cmse_nonsecure_call): Likewise.
8182         (arm_tls_referenced_p): Likewise.
8183         (thumb1_expand_prologue): Likewise.
8184         * config/avr/avr.c (avr_option_override): Likewise.
8185         * config/bfin/bfin.c (bfin_option_override): Likewise.
8186         * config/c6x/c6x.c (c6x_option_override): Likewise.
8187         * config/cr16/cr16.c (cr16_override_options): Likewise.
8188         * config/cris/cris.c (cris_option_override): Likewise.
8189         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
8190         * config/darwin-c.c (macosx_version_as_macro): Likewise.
8191         * config/darwin.c (darwin_override_options): Likewise.
8192         * config/frv/frv.c (frv_expand_builtin): Likewise.
8193         * config/h8300/h8300.c (h8300_option_override): Likewise.
8194         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
8195         (ix86_option_override_internal): Likewise.
8196         (warn_once_call_ms2sysv_xlogues): Likewise.
8197         (ix86_expand_prologue): Likewise.
8198         (split_stack_prologue_scratch_regno): Likewise.
8199         (ix86_warn_parameter_passing_abi): Likewise.
8200         * config/ia64/ia64.c (fix_range): Likewise.
8201         * config/m68k/m68k.c (m68k_option_override): Likewise.
8202         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
8203         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
8204         (mips_set_compression_mode): Likewise.
8205         * config/mmix/mmix.c (mmix_option_override): Likewise.
8206         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
8207         * config/msp430/msp430.c (msp430_option_override): Likewise.
8208         * config/nds32/nds32.c (nds32_option_override): Likewise.
8209         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
8210         (nios2_option_override): Likewise.
8211         (nios2_expand_custom_builtin): Likewise.
8212         * config/nvptx/mkoffload.c (main): Likewise.
8213         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
8214         * config/pa/pa.c (fix_range): Likewise.
8215         (pa_option_override): Likewise.
8216         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
8217         (riscv_option_override): Likewise.
8218         * config/rl78/rl78.c (rl78_option_override): Likewise.
8219         * config/rs6000/aix61.h: Likewise.
8220         * config/rs6000/aix71.h: Likewise.
8221         * config/rs6000/aix72.h: Likewise.
8222         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
8223         * config/rs6000/freebsd64.h: Likewise.
8224         * config/rs6000/linux64.h: Likewise.
8225         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
8226         (rs6000_expand_zeroop_builtin): Likewise.
8227         (rs6000_expand_mtfsb_builtin): Likewise.
8228         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
8229         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
8230         (rs6000_invalid_builtin): Likewise.
8231         (rs6000_expand_split_stack_prologue): Likewise.
8232         * config/rs6000/rtems.h: Likewise.
8233         * config/rx/rx.c (valid_psw_flag): Likewise.
8234         (rx_expand_builtin): Likewise.
8235         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
8236         * config/s390/s390.c (s390_expand_builtin): Likewise.
8237         (s390_function_profiler): Likewise.
8238         (s390_option_override_internal): Likewise.
8239         (s390_option_override): Likewise.
8240         * config/sh/sh.c (sh_option_override): Likewise.
8241         (sh_builtin_saveregs): Likewise.
8242         (sh_fix_range): Likewise.
8243         * config/sh/vxworks.h: Likewise.
8244         * config/sparc/sparc.c (sparc_option_override): Likewise.
8245         * config/spu/spu.c (spu_option_override): Likewise.
8246         (fix_range): Likewise.
8247         * config/visium/visium.c (visium_option_override): Likewise.
8248         (visium_handle_interrupt_attr): Likewise.
8249         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
8250         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
8251         (dbg_cnt_process_opt): Likewise.
8252         * dwarf2out.c (output_dwarf_version): Likewise.
8253         * except.c (expand_eh_return): Likewise.
8254         * gcc.c (defined): Likewise.
8255         (driver_handle_option): Likewise.
8256         (process_command): Likewise.
8257         (compare_files): Likewise.
8258         (driver::prepare_infiles): Likewise.
8259         (driver::do_spec_on_infiles): Likewise.
8260         (driver::maybe_run_linker): Likewise.
8261         * omp-offload.c (oacc_parse_default_dims): Likewise.
8262         * opts-global.c (handle_common_deferred_options): Likewise.
8263         * opts.c (parse_sanitizer_options): Likewise.
8264         (common_handle_option): Likewise.
8265         (enable_warning_as_error): Likewise.
8266         * passes.c (enable_disable_pass): Likewise.
8267         * plugin.c (parse_plugin_arg_opt): Likewise.
8268         (default_plugin_dir_name): Likewise.
8269         * targhooks.c (default_expand_builtin_saveregs): Likewise.
8270         (default_pch_valid_p): Likewise.
8271         * toplev.c (init_asm_output): Likewise.
8272         (process_options): Likewise.
8273         (toplev::run_self_tests): Likewise.
8274         * tree-cfg.c (verify_gimple_call): Likewise.
8275         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
8276         (tree_inlinable_function_p): Likewise.
8277         * var-tracking.c (vt_find_locations): Likewise.
8279 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
8281         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
8282         only on the else branch.
8284 2019-03-11  Martin Liska  <mliska@suse.cz>
8286         * gcov.c (output_intermediate_json_line): Print function
8287         name of each line.
8288         (output_json_intermediate_file): Add new argument.
8289         * doc/gcov.texi: Document the change.
8291 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
8293         PR rtl-optimization/89588
8294         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
8295         explicit unrolling factor more robust.
8297 2019-03-11  Richard Biener  <rguenther@suse.de>
8299         PR tree-optimization/89649
8300         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
8301         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
8302         on the prolog and epilog loops.
8303         (vect_loop_versioning): Return copy of loop.
8304         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
8305         on the non-vectorized version of the loop.
8307 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
8309         PR target/68924
8310         * config/i386/sse.md (*vec_extractv2di_0_sse):
8311         Add (=r,x) alternative and corresponding splitter.
8313 2019-03-10  Martin Jambor  <mjambor@suse.cz>
8315         PR tree-optimization/85762
8316         PR tree-optimization/87008
8317         PR tree-optimization/85459
8318         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
8319         it points to if there is a type changing MEM_REF.  Adjust all callers.
8320         (build_accesses_from_assign): Disable total scalarization if
8321         contains_vce_or_bfcref_p returns true through the new parameter, for
8322         both rhs and lhs.
8324 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
8326         PR c/88568
8327         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
8328         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
8330         PR target/79645
8331         * common.opt (fdiagnostics-show-labels,
8332         fdiagnostics-show-line-numbers, fdiagnostics-format=,
8333         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
8334         gas-locview-support, ginline-points, ginternal-reset-location-views):
8335         Terminate description text with a dot.
8336         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
8337         * config/mcore/mcore.opt (m210, m340): Likewise.
8338         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
8339         mnops=): Start description text with a capital letter.
8340         * config/arc/arc.opt (msize-level=): Likewise.
8341         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
8342         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
8343         mnewlib): Likewise.
8344         * config/ft32/ft32.opt (msim): Likewise.
8345         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
8346         (mnodiv, mnopm): Terminate description text with a dot.
8347         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
8348         a colon.
8349         * config/i386/i386.opt (prefer_vector_width, instrument_return):
8350         Likewise.
8351         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
8352         text.
8354         PR rtl-optimization/89634
8355         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
8356         are modified in BB_END (e->src) instruction.
8358 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
8360         PR target/79926
8361         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
8362         messages more amenable to translation, and improve wording.
8364 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
8366         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
8367         ud- and du-chains between phases.
8369 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
8371         PR debug/89631
8372         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
8373         instead of POLY_INT_CST.
8375 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8377         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
8378         requirement.
8380 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
8382         PR target/68924
8383         PR target/78782
8384         PR target/87558
8385         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
8386         (_mm_storeu_si64): Ditto.
8388 2019-03-08  Martin Liska  <mliska@suse.cz>
8390         PR target/86952
8391         * config/i386/i386.c (ix86_option_override_internal): Disable
8392         jump tables when retpolines are used.
8394 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
8396         PR go/63560
8397         * ipa-split.c (execute_split_functions): Do not split
8398         'noinline' or 'section' function.
8400 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
8402         PR target/79846
8403         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
8404         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
8405         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
8407         PR ipa/80000
8408         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
8409         from diagnostics.  Formatting fixes.
8411         PR target/85665
8412         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
8413         warn_odr diagnostics.
8415         PR other/80058
8416         * lra-constraints.c (process_alt_operands): Avoid one space before
8417         " at the end of line and another after " on another line in a string
8418         literal.
8419         * attribs.c (handle_dll_attribute): Likewise.
8420         * config/avr/avr-devices.c (avr_texinfo): Likewise.
8422         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
8423         warning_at or inform messages in G_() if there is no ?:.
8425         PR tree-optimization/89550
8426         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
8427         returned true.  Formatting fixes.
8428         (expand_builtin_strnlen): Formatting fixes.
8429         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
8430         if warning_at returned true.
8431         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
8433 2019-03-08  Richard Biener  <rguenther@suse.de>
8435         PR middle-end/89578
8436         * cfgloop.h (struct loop): Add owned_clique field.
8437         * cfgloopmanip.c (copy_loop_info): Copy it.
8438         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
8439         cliques.
8440         * tree-inline.c (copy_loops): Remap owned_clique.
8441         * lto-streamer-in.c (input_cfg): Stream owned_clique.
8442         * lto-streamer-out.c (output_cfg): Likewise.
8444 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
8446         PR target/80190
8447         * config/darwin.c: Include intl.h.
8448         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
8449         composing the message out of two separate parts.
8451 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
8453         PR target/80003
8454         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
8455         doesn't start with a capital letter and doesn't end with a dot.
8456         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
8457         with a capital letter.
8458         (ix86_mangle_function_version_assembler_name): Likewise.
8459         (ix86_generate_version_dispatcher_body): Likewise.
8460         (fold_builtin_cpu): Likewise.
8461         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
8462         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
8463         translators, wrap full type name in %qs.
8465         PR translation/79999
8466         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
8467         depend clause with source (or sink) modifier.
8468         * omp-expand.c (expand_omp_ordered_sink): Likewise.
8470         PR target/89602
8471         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
8472         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
8473         (avx512f_load<mode>_mask): New define_expand.
8474         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
8475         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
8476         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
8477         __builtin_ia32_movess_mask): New builtins.
8478         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
8479         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
8480         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
8481         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
8483 2019-03-07  Martin Jambor  <mjambor@suse.cz>
8485         PR lto/87525
8486         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
8487         for extern inline functions.
8489 2019-03-07  Martin Jambor  <mjambor@suse.cz>
8491         PR ipa/88235
8492         * cgraph.h (cgraph_node): New inline method former_thunk_p.
8493         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
8494         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
8495         have multiple callees.  At the end check if declarations match as
8496         opposed to cgraph_nodes.
8498 2019-03-07  Martin Liska  <mliska@suse.cz>
8500         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
8501         which is equivalent to searching for this in clones chain.
8502         * symtab.c (symtab_node::verify_base): Similarly compare ASM
8503         names with a neighbour and special case first node in a chain.
8505 2019-01-25  Jason Merrill  <jason@redhat.com>
8507         PR c++/80916 - spurious "static but not defined" warning.
8508         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
8509         for an internal symbol with DECL_EXTERNAL.
8511 2019-04-07  Richard Biener  <rguenther@suse.de>
8513         PR middle-end/89618
8514         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
8515         * tree-inline.c (copy_loops): Simplify.
8517 2019-03-07  Martin Liska  <mliska@suse.cz>
8519         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
8521 2019-03-07  Richard Biener  <rguenther@suse.de>
8523         PR tree-optimization/89595
8524         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
8525         stmt iterator as reference, take boolean output parameter to
8526         indicate whether the stmt was removed and thus the iterator
8527         already advanced.
8528         (dom_opt_dom_walker::before_dom_children): Re-iterate over
8529         stmts created by folding.
8531 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
8533         PR c++/89585
8534         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
8535         at toplevel.
8537 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
8539         PR rtl-optimization/88845
8540         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
8541         LRA.
8542         * lra.c (remove_scratches_1): New function.
8543         (remove_scratches): Use it.
8544         (lra_emit_move): Likewise.
8546 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
8548         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
8549         unaligned_access variable.
8550         * config/arc/arc.c (arc_override_options): Set unaligned access
8551         default on for HS CPUs.
8552         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
8554 2019-03-06  Martin Liska  <mliska@suse.cz>
8556         PR gcov-profile/89577
8557         * doc/gcov.texi: Prefer to use --coverage.
8558         * doc/sourcebuild.texi: Likewise.
8560 2019-03-02  Jason Merrill  <jason@redhat.com>
8562         PR c++/86485 - -Wmaybe-unused with empty class ?:
8563         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
8565 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
8567         PR target/89587
8568         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
8569         if_multiarch.
8571         PR middle-end/89590
8572         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
8573         exactly one argument.
8575 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
8576             Richard Sandiford  <richard.sandiford@arm.com>
8578         PR tree-optimization/89570
8579         * match.pd (vec_cond into cond_op simplification): Don't use
8580         get_conditional_internal_fn, use as_internal_fn (cond_op).
8582 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
8584         PR target/89222
8585         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
8586         to decide when to split off a non-zero offset from a symbol.
8587         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
8588         in function symbols.
8590 2019-03-05  Richard Biener  <rguenther@suse.de>
8592         PR tree-optimization/89594
8593         * tree-if-conv.c (pass_if_conversion::execute): Handle
8594         case where .LOOP_VECTORIZED_FUNCTION was removed.
8596 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
8598         PR bootstrap/89560
8599         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
8600         instead alloca it only when needed with the needed size.
8602         PR tree-optimization/89570
8603         * match.pd (vec_cond into cond_op simplification): Guard with
8604         vectorized_internal_fn_supported_p test and #if GIMPLE.
8606         PR tree-optimization/89566
8607         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
8608         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
8609         Punt if get_user_idx_format succeeds, but idx_format argument is
8610         not provided or doesn't have pointer type, or if idx_args is above
8611         number of provided arguments.
8613 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
8615         PR tree-optimization/89437
8616         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
8618 2019-03-04  Richard Biener  <rguenther@suse.de>
8620         PR middle-end/89572
8621         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
8622         safe_dyn_cast.
8624 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
8626         PR tree-optimization/89487
8627         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
8628         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
8629         (distribute_loop): Don't do runtime alias check if there is non-
8630         addressable data reference.
8631         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
8632         is a register variable.
8634 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
8636         PR target/89506
8637         * config/arm/arm.md (cmpsi2_addneg): Use
8638         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
8639         If operands[2] is 0 or INT_MIN, force use of subs.
8640         (*compare_scc splitter): Use gen_int_mode.
8641         (*negscc): Likewise.
8642         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
8644 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
8645             Monk Chiang  <sh.chiang04@gmail.com>
8647         * common/config/riscv/riscv-common.c: Include sstream.
8648         (riscv_subset_list::to_string): New.
8649         (riscv_arch_str): Likewise.
8650         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
8651         * config.in: Regen.
8652         * config/riscv/riscv-protos.h (riscv_arch_str): New.
8653         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
8654         (riscv_emit_attribute): New.
8655         (riscv_file_start): Emit attribute if needed.
8656         (riscv_option_override): Init riscv_emit_attribute_p.
8657         * config/riscv/riscv.opt (mriscv-attribute): New option.
8658         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
8659         * configure: Regen.
8660         * doc/install.texi: Document --with-riscv-attribute.
8661         * doc/invoke.texi: Document -mriscv-attribute.
8663         * common/config/riscv/riscv-common.c:
8664         Include config/riscv/riscv-protos.h.
8665         (INCLUDE_STRING): Defined.
8666         (RISCV_DONT_CARE_VERSION): Defined.
8667         (riscv_subset_t): Declare.
8668         (riscv_subset_t::riscv_subset_t): New.
8669         (riscv_subset_list): Declare.
8670         (riscv_subset_list::riscv_subset_list): New.
8671         (riscv_subset_list::~riscv_subset_list): Likewise.
8672         (riscv_subset_list::parsing_subset_version): Likewise.
8673         (riscv_subset_list::parse_std_ext): Likewise.
8674         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
8675         (riscv_subset_list::add): Likewise.
8676         (riscv_subset_list::lookup): Likewise.
8677         (riscv_subset_list::xlen): Likewise.
8678         (riscv_subset_list::parse): Likewise.
8679         (riscv_supported_std_ext): Likewise.
8680         (current_subset_list): Likewise.
8681         (riscv_parse_arch_string): Using riscv_subset_list::parse to
8682         parse.
8684 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
8686         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
8687         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
8688         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
8690 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
8692         PR rtl-optimization/85899
8693         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
8694         fallthru edges leading to the exit block.
8696 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
8698         PR target/89517
8699         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
8700         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
8702 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
8704         PR tree-optimization/89535
8705         * tree-vect-stmts.c (vectorizable_call): Record the vector types
8706         for each operand.  Calculate the fallback choice for mask operands
8707         and pass it to vect_get_vec_def_for_operand.
8709 2019-03-01  Richard Biener  <rguenther@suse.de>
8711         PR middle-end/89541
8712         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
8713         get virtual operands.
8714         (get_expr_operands): Handle CONST_DECL like other decls.
8716 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
8718         PR middle-end/89503
8719         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
8720         on DECL_P and EXPR_P.
8722 2019-03-01  Richard Biener  <rguenther@suse.de>
8724         PR middle-end/89497
8725         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
8726         argument, defaulted to zero.
8727         * passes.c (execute_function_todo): Pass down SSA update flags
8728         to cleanup_tree_cfg.
8729         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
8730         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
8731         form if requested.
8732         (cleanup_tree_cfg): Get and pass down SSA update flags.
8734 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
8736         PR bootstrap/89539
8737         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
8738         early_lto_debug argument.
8740 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8742         PR tree-optimization/89536
8743         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
8744         only whether bit #0 of the value is 0 instead of the entire value.
8746 2019-02-28  Marek Polacek  <polacek@redhat.com>
8748         PR c++/87068 - missing diagnostic with fallthrough statement.
8749         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
8750         at the end of a seq, save its location to walk_stmt_info.
8751         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
8752         a switch.
8754 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
8756         PR lto/88585
8757         * tree.c (find_atomic_core_type): Move ahead in file.
8758         (check_base_type): Correctly compare alignments of atomic types.
8760 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8762         PR target/89455
8763         * config/i386/i386.c (get_builtin_code_for_version): Identify
8764         Westmere from PCLMUL, instead of AES.
8766 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
8768         PR target/89434
8769         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
8770         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
8771         -UINTVAL (...).
8773 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
8775         PR target/88530
8776         * config/aarch64/aarch64-option-extensions.def: Document it.
8777         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
8778         if empty hwcaps.
8780 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
8782         PR c/89520
8783         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
8784         builtins if they don't have a single scalar floating point argument.
8785         Formatting fixes.
8787 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8789         PR rtl-optimization/89490
8790         * varasm.c (get_block_for_section): Bail out for mergeable sections.
8791         (default_use_anchors_for_symbol_p, output_object_block): Assert the
8792         block section is not mergeable.
8794 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
8796         PR target/70341
8797         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
8798         old define_insn to ...
8799         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
8800         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
8801         Rename old define_insn to ...
8802         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
8803         (thumb2_casesi_internal_pic): New define_expand.  Rename old
8804         define_insn to ...
8805         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
8806         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
8807         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
8809 2019-02-27  Richard Biener  <rguenther@suse.de>
8811         PR debug/88878
8812         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
8814 2019-02-27  Richard Biener  <rguenther@suse.de>
8816         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
8817         building.
8819 2019-02-27  Richard Biener  <rguenther@suse.de>
8821         PR debug/88878
8822         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
8823         parameter, prefix section name with .gnu.debuglto_ if true.
8824         (dwarf2out_finish): Pass false to output_comdat_type_unit.
8825         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
8827 2019-02-27  Richard Biener  <rguenther@suse.de>
8829         PR debug/89514
8830         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
8831         rather than on use_debug_types, doing what output_die does.
8832         (value_format): Likewise.
8834 2019-02-27  Martin Jambor  <mjambor@suse.cz>
8835             Martin Sebor  <msebor@redhat.com>
8837         * doc/invoke.texi (Warning Options): Reword description of
8838         -Wno-absolute-value.
8840 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
8842         PR tree-optimization/89280
8843         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
8844         builtin_setjmp_setup_bb): New functions.
8845         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
8846         When visiting __builtin_setjmp_setup block, queue in special
8847         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
8848         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
8849         from visited after the loop if they don't have any visited successor
8850         blocks.
8852 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
8854         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
8855         New function.
8856         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
8858 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
8860         PR c++/89507
8861         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
8862         with types other than sizetype/ssizetype.
8864 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
8866         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
8867         (enum sparc_processor_type): ...this.
8868         (enum sparc_code_model_type): New enumeration type.
8869         (enum sparc_memory_model_type): Tweak comments.
8870         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
8871         (mtune): Likewise.
8872         (mcmodel): Use sparc_code_model enumeration and variable.
8873         (sparc_code_model): New enumeration.
8874         (mdebug): Add Undocumented marker.
8875         * config/sparc/sparc.h (enum cmodel): Delete.
8876         (sparc_cmodel): Likewise.
8877         (TARGET_CM_MEDLOW): Adjust to above renaming.
8878         (TARGET_CM_MEDMID): Likewise.
8879         (TARGET_CM_MEDANY): Likewise.
8880         (TARGET_CM_EMBMEDANY): Likewise.
8881         * config/sparc/sparc.c (sparc_cmodel): Delete.
8882         (sparc_option_override): Remove string/value mapping support for the
8883         code model.  Move code and memory model support to after the handling
8884         of target flags.  Do private machine setup last.
8885         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
8886         (sparc_legitimize_reload_address): Likewise.
8887         (sparc_output_mi_thunk): Likewise.
8888         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
8890 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
8892         PR tree-optimization/89500
8893         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
8894         (handle_builtin_strlen): Remove noncst_bound variable.  Always
8895         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
8896         cst if the first cst bytes starting at x are known to be non-zero,
8897         even if the string is not zero terminated.  Don't try to modify
8898         *si for strnlen.  Update strlen_to_stridx only for strlen or if
8899         we can prove strnlen returns the same value as strlen would.
8901 2019-02-26  Martin Liska  <mliska@suse.cz>
8903         * alloc-pool.h (struct pool_usage): Remove extra
8904         print_dash_line.
8905         * bitmap.h (struct bitmap_usage): Likewise.
8906         * ggc-common.c (struct ggc_usage): Likewise.
8907         * mem-stats.h (struct mem_usage): Likewise.
8908         (mem_alloc_description::dump): Print dash lines
8909         here and repeat header at the end of a table report.
8910         It's then more readable.
8911         * tree-phinodes.c (phinodes_print_statistics): Make
8912         horizontal alignment.
8913         * tree-ssanames.c (ssanames_print_statistics): Likewise.
8914         * vec.c (struct vec_usage): Remove extra print_dash_line.
8915         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
8917 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
8919         * doc/extend.texi (__builtin_object_size):
8920         Use @pxref instead of @xref inside parenthesis.
8921         (__builtin_has_attribute): Add missing comma after @xref.
8922         (__builtin_object_size): Ditto.
8923         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
8924         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
8925         in the list.
8927 2019-02-26  Jeff Law  <law@redhat.com>
8929         PR rtl-optimization/87761
8930         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
8931         detect obviously dead insns and delete them.
8933 2019-02-26  Richard Biener  <rguenther@suse.de>
8935         PR tree-optimization/89505
8936         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
8937         to handle restrict pointed-to vars with multiple subvars
8938         correctly.
8940 2019-02-26  Richard Biener  <rguenther@suse.de>
8942         PR tree-optimization/89489
8943         * tree-parloops.c (create_loop_fn): Copy over last_clique.
8945 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
8947         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
8948         and move around comment.
8949         <BIT_AND_EXPR>: Likewise.
8950         <BIT_NOT_EXPR>: Add specific handling for boolean types.
8952 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
8954         PR target/89474
8955         * config/i386/i386.c (remove_partial_avx_dependency): Call
8956         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
8957         after changing possibly many instructions to use that pseudo.  Fix up
8958         insertion of v4sf_const0 setter at the start of bb.
8960 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
8962         PR c/80409
8963         * doc/extend.texi (Variadic Pointer Args): New section.
8965 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
8966             Martin Sebor  <msebor@gmail.com>
8968         * common.opt (Wattribute-alias): Likewise.
8969         * doc/invoke.texi (Option Summary): List general form of
8970         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
8971         (-Wmissing-attributes): Invert entry, rewrite and correct default.
8972         Add cross-references.
8973         (-Wattribute-alias): Rewrite and correct default.  Mention
8974         considered attributes (same as for -Wmissing-attributes).
8976 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
8978         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
8979         (_mm_cvtpd_ps): Likewise.
8980         (_mm_cvttpd_epi32): Likewise.
8982         PR target/89338
8983         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
8984         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
8986         PR target/89339
8987         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
8989 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
8991         PR target/88530
8992         * common/config/aarch64/aarch64-common.c
8993         (struct aarch64_option_extension): Add is_synthetic.
8994         (all_extensions): Use it.
8995         (TARGET_OPTION_INIT_STRUCT): Define hook.
8996         (struct gcc_targetm_common): Moved to end.
8997         (all_extensions_by_on): New.
8998         (opt_ext_cmp, typedef opt_ext): New.
8999         (aarch64_option_init_struct): New.
9000         (aarch64_contains_opt): New.
9001         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
9002         * config/aarch64/aarch64-option-extensions.def
9003         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
9004         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
9005         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
9006         Set is_synthetic to false.
9007         (crypto): Set is_synthetic to true.
9008         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
9009         SYNTHETIC.
9011 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
9013         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
9014         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
9015         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
9016         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
9017         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
9018         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
9019         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
9020         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
9021         Rename ...
9022         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
9023         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
9024         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
9025         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
9026         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
9027         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
9028         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
9029         vfmlsl_laneq_high_f16): ... To this.
9030         * config/arm/neon.md: Update comments.
9032 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
9034         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
9035         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
9036         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
9037         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
9038         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
9039         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
9040         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
9041         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
9042         Rename ...
9043         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
9044         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
9045         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
9046         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
9047         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
9048         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
9049         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
9050         vfmlslq_laneq_high_f16): ... To this.
9052 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
9054         PR rtl-optimization/86096
9055         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
9056         comparing mw_order values.
9058 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
9060         PR target/89434
9061         * config/arm/arm.md (*subsi3_carryin_const): Use
9062         arm_neg_immediate_operand predicate instead of
9063         arm_not_immediate_operand, "L" constraint instead of "K" and
9064         print it using %n2 instead of %B2.
9065         (*subsi3_carryin_const0): New define_insn.
9066         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
9067         instead of arm_not_operand and "I" constraint instead of "K" and
9068         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
9069         another match_operand and in the condition check that it is negation
9070         of operands[2].
9071         (*subsi3_carryin_compare_const0): New define_ins.
9072         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
9073         *subsi3_carryin_const.
9074         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
9075         split into *subsi3_carryin_compare_const0 if the highpart is zero.
9077         PR target/89438
9078         * config/arm.vfp.md (*negdf2_vfp): Use
9079         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
9080         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
9082 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
9084         PR rtl-optimization/89445
9085         * simplify-rtx.c (simplify_ternary_operation): Don't use
9086         simplify_merge_mask on operands that may trap.
9087         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
9088         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
9089         second operand is CONST_VECTOR, check if any element could be zero.
9090         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
9091         their operands can trap.
9093 2019-02-23  Martin Sebor  <msebor@redhat.com>
9095         * gimple-ssa-sprintf.c (target_strtol): Rename...
9096         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
9097         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
9098         check for range error.
9100 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
9102         PR driver/69471
9103         * opts-common.c (prune_options): Also prune joined switches
9104         with Negative and RejectNegative.
9105         * config/i386/i386.opt (march=): Add Negative(march=).
9106         (mtune=): Add Negative(mtune=).
9107         * doc/options.texi: Document Negative used together with Joined
9108         and RejectNegative.
9110 2019-02-22  Martin Sebor  <msebor@redhat.com>
9112         * doc/extend.texi (Other Builtins): Add
9113         __builtin_is_constant_evaluated.
9115 2019-02-22  Richard Biener  <rguenther@suse.de>
9117         PR tree-optimization/87609
9118         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
9120 2019-02-22  Jeff Law  <law@redhat.com>
9122         PR rtl-optimization/87761
9123         * config/mips/mips.md: Add new combiner pattern to recognize
9124         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
9126 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
9128         PR target/89324
9129         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
9130         destination register in peepholes generating patterns for ADDS/SUBS.
9131         (add<mode>3_compare0,
9132         *addsi3_compare0_uxtw, add<mode>3_compareC,
9133         add<mode>3_compareV_imm, add<mode>3_compareV,
9134         *adds_<optab><ALLX:mode>_<GPI:mode>,
9135         *subs_<optab><ALLX:mode>_<GPI:mode>,
9136         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
9137         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
9138         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
9139         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
9140         sub<mode>3_compare1): Allow stack pointer for source register.
9141         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
9143 2019-02-22  Martin Sebor  <msebor@redhat.com>
9145         PR tree-optimization/88993
9146         PR tree-optimization/88853
9147         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
9148         New helper.
9149         (sprintf_dom_walker::call_info::is_string_func): New helper.
9150         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
9151         for formatted string functions.
9152         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
9154 2019-02-22  Martin Sebor  <msebor@redhat.com>
9156         PR c/89425
9157         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
9158         unreachable subexpressions.
9160 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
9161             Hongtao Liu  <hongtao.liu@intel.com>
9162             Sunil K Pandey  <sunil.k.pandey@intel.com>
9164         PR target/87007
9165         * config/i386/i386-passes.def: Add
9166         pass_remove_partial_avx_dependency.
9167         * config/i386/i386-protos.h
9168         (make_pass_remove_partial_avx_dependency): New.
9169         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
9170         New function.
9171         (pass_data_remove_partial_avx_dependency): New.
9172         (pass_remove_partial_avx_dependency): Likewise.
9173         (make_pass_remove_partial_avx_dependency): Likewise.
9174         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
9175         (*extendsfdf2): Add avx_partial_xmm_update.
9176         (truncdfsf2): Likewise.
9177         (*float<SWI48:mode><MODEF:mode>2): Likewise.
9178         (SF/DF conversion splitters): Disabled for TARGET_AVX.
9180 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
9182         PR middle-end/85598
9183         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
9184         analysis for pass.
9186 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
9188         PR target/89444
9189         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
9190         (PTA_SKYLAKE): Add PTA_AES.
9191         (PTA_GOLDMONT): Likewise.
9193 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
9195         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
9196         instruction if enabled.
9197         (aarch64_override_options): Remove reference to return address key.
9199 2019-02-22  Richard Biener  <rguenther@suse.de>
9201         PR tree-optimization/89440
9202         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
9203         not necessary assert.
9205 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
9207         PR fortran/72741
9208         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
9209         (oacc_replace_fn_attrib_attr): ... this new function.
9210         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
9211         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
9213 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9215         * config/arm/arm-cpus.in (ares): Rename to...
9216         (neoverse-n1): ... This.  Add ares as alias.
9217         * config/arm/arm-tables.opt: Regenerate.
9218         * config/arm/arm-tune.md: Likewise.
9219         * doc/invoke.txt (ARM Options): Document neoverse-n1.
9221 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9223         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
9224         * config/aarch64/aarch64-tune.md: Regenerate.
9225         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
9227 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9229         * config/aarch64/aarch64.c (ares_tunings): Rename to...
9230         (neoversen1_tunings): ... This.
9231         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
9232         (neoverse-n1): New CPU.
9233         * config/aarch64/aarch64-tune.md: Regenerate.
9234         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
9236 2019-02-22  Richard Biener  <rguenther@suse.de>
9238         PR middle-end/87609
9239         * cfghooks.h (dependence_hash): New typedef.
9240         (struct copy_bb_data): New type.
9241         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
9242         (duplicate_block): Likewise.
9243         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
9244         (copy_bbs): Create and pass down copy_bb_data.
9245         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
9246         (rtl_duplicate_bb): Likewise.
9247         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
9248         remap dependence info.
9250 2019-02-22  Richard Biener  <rguenther@suse.de>
9252         PR tree-optimization/87609
9253         * tree-core.h (tree_base): Document special clique values.
9254         * tree-inline.c (remap_dependence_clique): Do not use the
9255         special clique value of one.
9256         (maybe_set_dependence_info): Use clique one.
9257         (clear_dependence_clique): New callback.
9258         (compute_dependence_clique): Clear clique one from all refs
9259         before assigning it (again).
9261 2019-02-21  Martin Sebor  <msebor@redhat.com>
9263         * doc/extend.texi (__clear_cache): Correct signature.
9265 2019-02-21  Ian Lance Taylor  <iant@golang.org>
9267         PR go/89170
9268         * varasm.c (decode_addr_const): Call lookup_constant_def rather
9269         than output_constant_def.
9270         (add_constant_to_table): New static function.
9271         (output_constant_def): Call add_constant_to_table.
9272         (tree_output_constant_def): Likewise.
9274 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
9276         PR c++/89285
9277         * builtins.c (fold_builtin_arith_overflow): If first two args are
9278         INTEGER_CSTs, set intres and ovfres to constants rather than calls
9279         to ifn.
9281 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9283         PR target/87412
9284         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
9285         error for -mindirect-branch/-mfunction-return with incompatible
9286         -fcf-protection.
9288 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
9290         PR bootstrap/88714
9291         * constraints.md (q): Remove.
9292         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
9293         instead of q.
9295 2019-02-21  Martin Jambor  <mjambor@suse.cz>
9297         PR hsa/89302
9298         * omp-general.c (omp_extract_for_data): Removed a duplicate call
9299         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
9300         (omp_adjust_for_condition): ...here.  Added necessary parameters.
9301         * omp-general.h (omp_adjust_for_condition): Updated declaration.
9302         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
9303         proper values to new parameters of omp_adjust_for_condition.
9305 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
9307         PR middle-end/89412
9308         * expr.c (expand_assignment): If result is a MEM, use change_address
9309         instead of simplify_gen_subreg.
9311 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
9312             David Malcolm  <dmalcolm@redhat.com>
9314         PR middle-end/89091
9315         * fold-const.c (decode_field_reference): Return NULL_TREE if
9316         lang_hooks.types.type_for_size returns NULL.  Check it before
9317         overwriting *exp_.  Use return NULL_TREE instead of return 0.
9319 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
9321         PR middle-end/88074
9322         PR middle-end/89415
9323         * toplev.c (do_compile): Double the emin/emax exponents to workaround
9324         buggy mpc_norm.
9326 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
9328         PR target/89397
9329         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
9330         TARGET_SSE in addition to TARGET_SSE_MATH.
9332         (ix86_excess_precision): Ditto.
9333         (ix86_float_exceptions_rounding_supported_p): Ditto.
9334         (use_rsqrt_p): Ditto.
9335         * config/i386/sse.md (rsqrt<mode>2): Ditto.
9337 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
9339         PR c/89410
9340         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
9341         linenum_arith_t when determining if two adjacent line spans are
9342         close enough to merge.
9343         (diagnostic_show_locus): Use linenum_arith_t when iterating over
9344         lines within each line_span.
9346 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
9348         PR target/86487
9349         * lra-constraints.c(uses_hard_regs_p): Fix handling of
9350         paradoxical SUBREGS.
9352 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
9354         PR target/88100
9355         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
9356         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
9357         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
9358         range checking it.
9360 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
9362         * config/gcn/gcn.c (print_operand): Fix typo.
9364 2019-02-19  Richard Biener  <rguenther@suse.de>
9366         PR middle-end/88074
9367         * toplev.c (do_compile): Initialize mpfr's exponent range
9368         based on available float modes.
9370 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
9372         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
9373         as long as the epilogue isn't completed.
9375 2019-02-18  Martin Sebor  <msebor@redhat.com>
9377         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
9378         __has_cpp_attribute, and __has_include.
9380 2019-02-18  Martin Sebor  <msebor@redhat.com>
9382         * doc/invoke.texi (-Wreturn-type): Correct and expand.
9384 2019-02-18  Martin Sebor  <msebor@redhat.com>
9386         PR middle-end/89294
9387         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
9388         expression.
9389         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
9391 2019-02-18  Richard Biener  <rguenther@suse.de>
9393         PR tree-optimization/89296
9394         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
9395         of no-warning flag to cases that might emit the bogus warning.
9397 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
9399         PR bootstrap/88714
9400         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
9401         "q" constraint.
9402         * config/arm/vfp.md (*movdi_vfp): Likewise.
9403         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
9404         "q" constraint for operands[0].
9406         PR target/89369
9407         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
9408         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
9409         pattern in a temporary buffer.
9410         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
9411         than 64-operands[2].
9413         PR target/89361
9414         * config/s390/s390.c (s390_indirect_branch_attrvalue,
9415         s390_indirect_branch_settings): Define unconditionally.
9416         (s390_set_current_function): Likewise, but guard the whole body except
9417         the s390_indirect_branch_settings call with
9418         #if S390_USE_TARGET_ATTRIBUTE.
9419         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
9421         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
9422         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
9423         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
9424         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
9425         HOST_WIDE_INT_1U instead of 1ULL.
9426         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
9427         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
9428         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
9429         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
9430         instead of 1UL.
9431         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
9432         instead of 1ul.
9434 2019-02-18  Martin Jambor  <mjambor@suse.cz>
9436         PR tree-optimization/89209
9437         * tree-sra.c (create_access_replacement): New optional parameter
9438         reg_tree.  Use it as a type if non-NULL and access type is not of
9439         a register type.
9440         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
9441         to create_access_replacement.
9442         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
9443         Check lacc is non-NULL before attempting to re-create it on the RHS.
9445 2019-02-18  Martin Liska  <mliska@suse.cz>
9447         PR ipa/89306
9448         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
9449         by default.
9450         (symbol_table::free_edge): Recycle m_summary_id.
9451         * cgraph.h (get_summary_id): New.
9452         (symbol_table::release_symbol): Set m_summary_id to -1
9453         by default.
9454         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
9455         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
9456         function_summary to fast_function_summary.
9457         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
9458         * ipa-pure-const.c (class funct_state_summary_t):
9459         Switch from function_summary to fast_function_summary.
9460         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
9461         (class ipa_ref_opt_summary_t): Switch from function_summary
9462         to fast_function_summary.
9463         * symbol-summary.h (class function_summary_base): New class
9464         that is created from base of former function_summary.
9465         (function_summary_base::unregister_hooks): New.
9466         (class function_summary): Inherit from function_summary_base.
9467         (class call_summary_base): New class
9468         that is created from base of former call_summary.
9469         (class call_summary): Inherit from call_summary_base.
9470         (struct is_same): New.
9471         (class fast_function_summary): New summary class.
9472         (class fast_call_summary): New summary class.
9473         * vec.h (vec_safe_grow_cleared): New function.
9475 2019-02-18  Martin Liska  <mliska@suse.cz>
9477         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
9478         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
9479         * doc/tm.texi: Document new target hook.
9480         * doc/tm.texi.in: Likewise.
9481         * target.def: Add new target macro.
9482         * gcc.c (find_fortran_preinclude_file): Do not search multilib
9483         suffixes.
9485 2019-02-17  Alan Modra  <amodra@gmail.com>
9487         PR target/89271
9488         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
9489         output reg on add insn.
9490         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
9492 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9494         PR target/89372
9495         * config/i386/sse.md (ssedoublemode): Remove V4HI.
9496         (PMULHRSW): Likewise.
9497         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
9498         TARGET_AVX2.
9499         (ssse3_pmulhrswv4hi3): New expander.
9501 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9503         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
9504         MMX.  Add isa attribute.
9506 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
9508         PR rtl-optimization/66152
9509         * builtins.h (c_readstr): Declare.
9510         * builtins.c (c_readstr): Remove forward declaration.  Add
9511         null_terminated_p argument, if false, read all bytes from the
9512         string instead of stopping after '\0'.
9513         * expr.c (string_cst_read_str): New function.
9514         (store_expr): Use string_cst_read_str instead of
9515         builtin_strncpy_read_str.  Try to store by pieces the whole
9516         exp_len first, and only if that fails, split it up into
9517         store by pieces followed by clear_storage.  Formatting fix.
9519         * config/i386/i386.md (*movqi_internal): Remove static from
9520         buf variable.  Use output_asm_insn (buf, operands); return "";
9521         instead of return buf;.
9522         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
9523         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
9524         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
9526 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
9528         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
9529         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
9530         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
9531         (CC1_SPEC): Likewise.
9532         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
9534 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
9536         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
9537         the base address on 64-bit strict-alignment platforms.
9539 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9541         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
9543 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
9545         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
9547 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
9549         PR rtl-optimization/88308
9550         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
9551         on copied instruction.
9553 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
9555         * final.c (insn_current_reference_address): Replace test on JUMP_P
9556         with test on jump_to_label_p.
9557         * config/visium/visium-passes.def: New file.
9558         * config/visium/t-visium (PASSES_EXTRA): Define.
9559         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
9560         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
9561         (TRAMPOLINE_ALIGNMENT): Define.
9562         * config/visium/visium.c (visium_option_override): Do not register
9563         the machine-specific reorg pass here.
9564         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
9565         for the GR6.
9566         (output_branch): Adjust threshold for long branch instruction.
9567         * config/visium/visium.md (cpu): Move around.
9568         (length): Adjust for the GR6.
9570 2019-02-15  Richard Biener  <rguenther@suse.de>
9571             Jakub Jelinek  <jakub@redhat.com>
9573         PR tree-optimization/89278
9574         * tree-loop-distribution.c: Include tree-eh.h.
9575         (generate_memset_builtin, generate_memcpy_builtin): Call
9576         rewrite_to_non_trapping_overflow on builtin->size before passing it
9577         to force_gimple_operand_gsi.
9579 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
9581         PR other/89342
9582         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
9583         optimize_debug.
9584         * opth-gen.awk: Likewise.
9586 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
9588         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
9589         Enable MMX, SSE and SSE2 by default.
9590         * config/i386/i386.c (ix86_option_override_internal): Do not
9591         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
9593 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
9595         PR rtl-optimization/89354
9596         * combine.c (make_extraction): Punt if extraction_mode is narrower
9597         than len bits.
9599 2019-02-14  Maya Rashish  <coypu@sdf.org>
9601         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
9602         * config/netbsd-d.c: New file.
9603         * config/t-netbsd: Add netbsd-d.o
9605 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
9607         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
9608         affects_type_identity to true for aarch64_vector_pcs.
9609         (aarch64_comp_type_attributes): New function.
9610         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
9612 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
9614         PR target/88850
9615         * config/arm/iterators.md (ANY64): Add V4HF.
9617 2019-02-14  Martin Liska  <mliska@suse.cz>
9619         PR rtl-optimization/89242
9620         * dce.c (delete_unmarked_insns): Call free_dominance_info we
9621         process a transformation.
9623 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
9625         PR tree-optimization/89314
9626         * fold-const.c (fold_binary_loc): Cast strlen argument to
9627         const char * before dereferencing it.  Formatting fixes.
9629         PR middle-end/89284
9630         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
9632 2019-02-13  Ian Lance Taylor  <iant@golang.org>
9634         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
9635         and set current index for other optimizations.
9637 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
9639         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
9640         nonimmediate_operand as operand 2 predicate.
9641         (vec_set<VF2_512_256:mode>_0): Ditto.
9642         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
9643         (*vec_concatv2si): Remove alternative 2.
9644         (*vec_concatv4si_0): Use vm constraint for alternative 0.
9645         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
9646         (vec_concatv2di): Split alternatives 4,5,6 to ...
9647         (*vec_concatv2di_0) ... new pattern.
9649 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
9651         PR target/89190
9652         * config/arm/arm.c (ldm_stm_operation_p) Set
9653         addr_reg_in_reglist correctly for first register.
9654         (load_multiple_sequence): Remove dead base check.
9655         (gen_ldm_seq): Correctly set write_back for Thumb-1.
9657 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
9659         PR target/88847
9660         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
9661         Expose as @aarch64_pred_mov.
9662         * config/aarch64/aarch64.c (aarch64_classify_address):
9663         Use expand_insn which legitimizes operands.
9665 2019-02-13  Martin Liska  <mliska@suse.cz>
9667         * builtins.h (expand_builtin_with_bounds): Remove declaration.
9668         * calls.c (struct arg_data): Remove special_slot, pointer_arg
9669         and pointer_offset fields.
9670         (initialize_argument_information): Remove usage of dead
9671         fields.
9672         * cgraph.h (struct cgraph_thunk_info): Remove
9673         add_pointer_bounds_args.
9674         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
9675         fields.
9676         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
9677         fields.
9678         * config/i386/i386.c (ix86_function_arg_advance): Remove
9679         unrelated comment.
9680         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
9681         (def_builtin):  Remove usage of dead
9682         fields.
9683         (ix86_add_new_builtins): Likewise.
9684         * ipa-fnsummary.c (compute_fn_summary): Likewise.
9685         * ipa-icf.c (sem_function::equals_wpa): Likewise.
9686         (sem_function::init): Likewise.
9687         (sem_variable::merge): Likewise.
9688         * ipa-visibility.c (function_and_variable_visibility): Likewise.
9689         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
9690         * lto-cgraph.c (lto_output_node): Likewise.
9691         (lto_output_varpool_node): Likewise.
9692         (input_node): Likewise.
9693         (input_varpool_node): Likewise.
9694         * lto-streamer-out.c (lto_output): Likewise.
9695         * tree-inline.c (expand_call_inline): Remove usage of
9696         assign_stmts.
9697         * tree-inline.h (struct copy_body_data): Likewise.
9698         * varpool.c (varpool_node::dump): Likewise.
9700 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
9702         PR middle-end/89303
9703         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
9704         into pt->vars_contains_escaped_heap instead of setting
9705         pt->vars_contains_escaped_heap to it.
9707         PR middle-end/89281
9708         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
9709         INTVAL (size), compare it to GET_MODE_MASK instead of
9710         1 << GET_MODE_BITSIZE.
9712         PR target/89290
9713         * config/i386/predicates.md (x86_64_immediate_operand): Allow
9714         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
9715         -mcmodel=large.
9717 2019-02-13  Martin Liska  <mliska@suse.cz>
9719         PR lto/88858
9720         * cfgrtl.c (remove_barriers_from_footer): New function.
9721         (try_redirect_by_replacing_jump): Use it.
9722         (cfg_layout_redirect_edge_and_branch): Likewise.
9724 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9726         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
9727         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
9728         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
9729         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
9730         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
9731         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
9732         New BU_CRYPTO_2.
9733         * config/rs6000/rs6000.c (builtin_function_type)
9734         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
9735         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
9736         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
9737         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
9738         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
9740 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
9742         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
9743         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
9745 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9747         PR target/89229
9748         * config/i386/i386.md (*movoi_internal_avx): Revert revision
9749         268678 and revision 268657.
9750         (*movti_internal): Likewise.
9752 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
9754         PR target/89233
9755         * config/s390/s390.c (s390_decompose_address): Update comment.
9756         (s390_check_qrst_address): Reject invalid address forms after
9757         LRA.
9759 2019-02-12  Martin Liska  <mliska@suse.cz>
9761         PR lto/88876
9762         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
9763         we need default values of funct_state for a function that
9764         is not optimized.
9766 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
9768         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
9769         the object to pick the size of stores on strict-alignment platforms.
9771         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
9772         (*movdi_insn_sp32): Likewise.
9773         (*movdi_insn_sp64): Likewise.
9775 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
9777         PR lto/88677
9778         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
9779         types that needs constructiong.
9780         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
9782 2019-02-12  Richard Biener  <rguenther@suse.de>
9784         PR tree-optimization/89253
9785         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
9786         duplicate the loop.
9788 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
9790         PR lto/88147
9791         * input.c (selftest::test_line_offset_overflow): New selftest.
9792         (selftest::input_c_tests): Call it.
9794 2019-02-11  Martin Sebor  <msebor@redhat.com>
9796         PR tree-optimization/88771
9797         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
9798         when -Wstringop-overflow is set.
9799         (builtin_memref::builtin_memref): Adjust excessive upper bound
9800         only when lower bound is not excessive.
9801         (maybe_diag_overlap): Detect and diagnose excessive bounds via
9802         -Wstringop-ovefflow.
9803         (maybe_diag_offset_bounds): Rename...
9804         (maybe_diag_access_bounds): ...to this.
9805         (check_bounds_or_overlap): Adjust for name change above.
9807 2019-02-11  Martin Sebor  <msebor@redhat.com>
9809         PR c++/87996
9810         * builtins.c (max_object_size): Move from here...
9811         * builtins.h (max_object_size): ...and here...
9812         * tree.c (max_object_size): ...to here...
9813         * tree.h (max_object_size): ...and here.
9815 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
9817         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
9818         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
9819         for correct semantics.
9821 2019-02-11  Alan Modra  <amodra@gmail.com>
9823         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
9824         -mlongcall and -mpltseq.
9825         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
9826         (RS/6000 and PowerPC Options <-mpltseq>): Document.
9827         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
9828         * config/rs6000/sysv4.opt (mpltseq): New option.
9829         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
9830         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
9831         support is lacking.  Don't allow -mpltseq with -mbss-plt.
9832         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
9833         -mpltseq given for ELFv1.
9834         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
9835         Only use UNSPEC_PLTSEQ for inline PLT calls.
9836         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
9837         use UNSPEC_PLTSEQ for inline PLT calls.
9838         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
9839         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
9840         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
9841         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
9842         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
9843         (pltseq_mtctr_<mode>): Likewise.
9845 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9847         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
9848         Solaris ld.
9849         * configure: Regenerate.
9851 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
9853         PR bootstrap/88714
9854         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
9855         instead of r.
9857 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
9859         * function.c (assign_parm_setup_block): Use the stored
9860         size, not the passed size, when allocating stack-space,
9861         also for a parameter with alignment larger than
9862         MAX_SUPPORTED_STACK_ALIGNMENT.
9864 2019-02-11  Martin Liska  <mliska@suse.cz>
9866         PR ipa/89009
9867         * ipa-cp.c (build_toporder_info): Remove usage of a param.
9868         * ipa-inline.c (inline_small_functions): Likewise.
9869         * ipa-pure-const.c (propagate_pure_const): Likewise.
9870         (propagate_nothrow): Likewise.
9871         * ipa-reference.c (propagate): Likewise.
9872         * ipa-utils.c (struct searchc_env): Remove unused field.
9873         (searchc): Always search across AVAIL_INTERPOSABLE.
9874         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
9875         the only called IPA pure const can properly not propagate
9876         across interposable boundary.
9877         * ipa-utils.h (ipa_reduced_postorder): Remove param.
9879 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
9881         * config/nds32/nds32.md (call_internal, call_value_internal,
9882         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
9884 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
9886         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
9887         typo.
9889 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9891         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
9892         in comments
9894 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
9896         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
9898 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
9900         PR tree-optimization/89268
9901         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
9902         if preds is non-NULL.
9904 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
9906         PR lto/89272
9907         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
9908         polymorphic types.
9910 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
9912         * config/nds32/nds32.md (trap): New pattern.
9914 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
9916         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
9917         dwarf span.
9919 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
9921         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
9922         to split POST_INC.
9924 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
9926         * ipa-visibility.c (localize_node): Also do not localize
9927         LDPR_PREVAILING_DEF_IRONLY_EXP.
9929 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
9931         PR lto/87957
9932         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
9933         instead of type_with_linkage.
9935 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
9937         PR ipa/88755
9938         * params.def (uninlined-function-insns, uninlined-function-time,
9939         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
9940         bound so we don't get overflows.
9942 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
9944         * config/rs6000/rs6000-string.c (expand_compare_loop,
9945         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
9946         memcmp/strncmp.
9948 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
9950         PR middle-end/89246
9951         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9952         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
9953         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
9955 2019-02-09  Alan Modra  <amodra@gmail.com>
9957         PR target/88343
9958         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
9959         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
9960         setup.
9962 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
9964         PR middle-end/88560
9965         * lra-constraints.c (process_alt_operands): Don't increase reject
9966         for memory when offset memory is required.
9968 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
9970         * config/s390/vector.md: Implement vector copysign.
9972 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
9974         * expr.c (expand_constructor): Correct indentations.
9976 2019-02-08  Richard Biener  <rguenther@suse.de>
9978         PR tree-optimization/89247
9979         * tree-if-conv.c: Include tree-cfgcleanup.h.
9980         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
9981         (tree_if_conversion): Pass through predicate vector.
9982         (pass_if_conversion::execute): Do CFG cleanup and SSA update
9983         inline, see if any if-converted loops we refrece in
9984         LOOP_VECTORIZED calls vanished and fixup.
9985         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
9987 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
9989         * config/s390/constraints.md (jdd): New constraint.
9991 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
9993         PR target/89229
9994         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
9995         upper 16 vector registers without TARGET_AVX512VL.
9996         (*movti_internal): Likewise.
9998 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
10000         PR rtl-optimization/89234
10001         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
10002         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
10003         (copy_reg_eh_region_note_backward): Likewise.
10005 2019-02-08  Richard Biener  <rguenther@suse.de>
10007         PR middle-end/89223
10008         * tree-data-ref.c (initialize_matrix_A): Fail if constant
10009         doesn't fit in HWI.
10010         (analyze_subscript_affine_affine): Handle failure from
10011         initialize_matrix_A.
10013 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
10015         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
10016         cfun everywhere.
10018 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
10020         PR tree-optimization/86637
10021         PR tree-optimization/89235
10022         * tree-vect-loop.c (optimize_mask_stores): Add an
10023         auto_purge_vect_location sentinel to ensure that vect_location is
10024         purged on exit.
10025         * tree-vectorizer.c
10026         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
10027         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
10028         to ensure that vect_location is purged on exit.
10029         (pass_slp_vectorize::execute): Likewise, replacing the manual
10030         reset.
10031         * tree-vectorizer.h (class auto_purge_vect_location): New class.
10033 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10035         * config/aarch64/iterators.md (max_opp): New code_attr.
10036         (USMAX): New code iterator.
10037         * config/aarch64/predicates.md (aarch64_smin): New predicate.
10038         (aarch64_smax): Likewise.
10039         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
10040         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
10041         MINUS (MAX MIN).
10043 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
10045         PR target/89229
10046         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
10047         for TARGET_AVX512VL.
10048         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
10050 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
10052         * config/s390/s390-builtin-types.def: Add new types.
10053         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
10054         (s390_vec_xlw4): Make the memory operand into a const pointer.
10055         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
10056         float.
10057         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
10058         a new vector type with the alignment of the scalar memory operand.
10060 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
10061             Jakub Jelinek  <jakub@redhat.com>
10063         PR bootstrap/88714
10064         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
10065         arm_count_ldrdstrd_insns): New declarations.
10066         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
10067         MINUS.
10068         (valid_operands_ldrd_strd): New function.
10069         (arm_count_ldrdstrd_insns): New function.
10070         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
10071         sets instead of single DImode set and define new insns to match this.
10073 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
10075         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
10076         Make it a C initializer.
10078 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
10080         PR/target 88850
10081         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
10083 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10085         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
10086         Use neon_dot<q> for type.
10087         (neon_<sup>dot_lane<vsi2qi>): Likewise.
10089 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10091         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
10092         Use neon_dot<q> for type.
10093         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
10094         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
10096 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
10098         PR rtl-optimization/89225
10099         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
10100         sizes check.
10102 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
10104         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
10105         after restoring registers saved to allocate the frame on Windows.
10107 2019-02-06  Richard Biener  <rguenther@suse.de>
10109         PR tree-optimization/89182
10110         * graphite.h (cached_scalar_evolution_in_region): Declare.
10111         * graphite.c (struct seir_cache_key): New.
10112         (struct sese_scev_hash): Likewise.
10113         (seir_cache): New global.
10114         (cached_scalar_evolution_in_region): New function.
10115         (graphite_transform_loops): Allocate and release seir_cache.
10116         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
10117         cached_scalar_evolution_in_region.
10118         * graphite-scop-detection.c (scop_detection::can_represent_loop):
10119         Simplify.
10120         (scop_detection::graphite_can_represent_expr: Use
10121         cached_scalar_evolution_in_region.
10122         (scop_detection::stmt_simple_for_scop_p): Likewise.
10123         (find_params_in_bb): Likewise.
10124         (gather_bbs::before_dom_children): Likewise.
10125         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
10126         (add_loop_constraints): Likewise.
10128 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
10130         PR middle-end/89210
10131         * fold-const-call.c (fold_const_vec_convert): Pass true as last
10132         operand to new_unary_operation only if both element types are integral
10133         and it isn't a widening conversion.  Return NULL_TREE if
10134         new_unary_operation failed.
10136 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
10138         PR target/88856
10139         * config/s390/s390.md: Remove load and test FP splitter.
10141 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
10143         PR target/89112
10144         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
10145         expand_compare_loop, expand_block_compare_gpr,
10146         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
10147         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
10148         #include "profile-count.h" and "predict.h" for types and functions
10149         needed to work with REG_BR_PROB notes.
10151 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
10153         PR target/89112
10154         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
10155         for the long branch case.
10157 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
10159         PR target/89188
10160         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
10161         can throw, non-call exceptions are enabled and we can't delete
10162         dead exceptions or alter cfg.  Set must_clean if
10163         delete_insn_and_edges returns true, don't set it blindly for calls.
10164         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
10166         PR rtl-optimization/89195
10167         * combine.c (make_extraction): For MEMs, don't extract bytes outside
10168         of the original MEM.
10170 2019-02-05  Martin Liska  <mliska@suse.cz>
10172         PR gcov-profile/89000
10173         * gcov.c (function_summary): Remove argument.
10174         (file_summary): New function.
10175         (print_usage): Replace tabs with spaces.
10176         (generate_results): Use new function file_summary.
10178 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
10180         PR target/89186
10181         * optabs.c (prepare_cmp_insn): Pass x and y to
10182         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
10184 2019-02-05  Richard Biener  <rguenther@suse.de>
10186         PR middle-end/89150
10187         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
10188         (struct bitmap_element): Drop chain_prev so we properly recurse on
10189         the prev member, supporting tree views.
10190         (struct bitmap_head): GTY skip the obstack member.
10192 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
10194         PR c/88698
10195         * doc/extend.texi (Vector Extensions): Add an example of using vector
10196         types together with x86 intrinsics.
10198 2019-02-04  Alan Modra  <amodra@gmail.com>
10200         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
10201         str[] size to 160, and comment.
10203 2019-02-04  Alan Modra  <amodra@gmail.com>
10205         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
10206         (rs6000_pltseq_template): Guard output of TLS markers with
10207         TARGET_TLS_MARKERS.
10208         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
10209         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
10210         to use inline PLT sequences.
10211         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
10212         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
10213         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
10215 2019-02-04  Martin Liska  <mliska@suse.cz>
10217         PR ipa/88985
10218         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
10219         out when ipa_fn_summaries does not contain entry for callee.
10221 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
10223         * config/sparc/sparc.h: Remove superfluous blank lines.
10224         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
10225         (got_register_rtx): ...this.
10226         (sparc_got): Adjust to above renaming.
10227         (sparc_tls_got): Likewise.
10228         (sparc_delegitimize_address): Likewise.
10229         (sparc_output_mi_thunk): Likewise.
10230         (sparc_init_pic_reg): Likewise.
10231         (save_local_or_in_reg_p): Fix test on the GOT register.
10232         (USE_HIDDEN_LINKONCE): Move around.
10233         (get_pc_thunk_name): Likewise.
10234         (gen_load_pcrel_sym): Likewise.
10235         (load_got_register): Likewise.
10237 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
10239         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
10240         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
10242 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
10244         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
10245         into consideration.
10247 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
10249         * config.gcc (with_nds32_lib, glibc):
10250         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
10251         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
10252         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
10254 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
10256         PR target/89071
10257         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
10258         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
10259         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
10260         (*rcpsf2_sse): Ditto.
10261         (*rsqrtsf2_sse): Ditto.
10262         (sse4_1_round<mode<2): Ditto.
10264 2019-02-03  Richard Biener  <rguenther@suse.de>
10266         PR debug/87295
10267         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
10268         orig.
10270 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
10272         PR middle-end/87887
10273         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
10274         Punt with warning on aggregate return or argument types.  Ignore
10275         type/mode checking for uniform arguments.
10277 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
10279         * combine.c (try_combine): Do not print "Can't combine" messages unless
10280         printing failed combination attempts.
10282 2019-02-01  Martin Jambor  <mjambor@suse.cz>
10284         PR hsa/87863
10285         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
10286         segment and global segment variables before making them static.
10288 2019-02-01  Martin Jambor  <mjambor@suse.cz>
10290         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
10291         missed optimization dump with dump_enabled_p.
10293 2019-02-01  Richard Biener  <rguenther@suse.de>
10295         PR middle-end/88597
10296         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
10297         the instantiate cache.
10298         (instantiate_scev_binary): Elide second operand procesing
10299         if equal to the first.
10300         * tree-chrec.c (chrec_contains_symbols): Add visited set.
10301         (chrec_contains_undetermined): Likewise.
10302         (tree_contains_chrecs): Likewise.
10304 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
10306         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
10308 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
10310         PR tree-optimization/89143
10311         * wide-int-range.h (wide_int_range_absu): Declare.
10312         * wide-int-range.cc (wide_int_range_absu): New function.
10313         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
10315         PR tree-optimization/88107
10316         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
10317         instead of assertion that eh_region_outermost is non-NULL, if it
10318         is NULL, set *ALL to true and return NULL.
10319         (move_sese_region_to_fn): Adjust caller, if all is set, call
10320         duplicate_eh_regions with NULL region.
10322 2019-02-01  Richard Biener  <rguenth@suse.de>
10324         PR rtl-optimization/88593
10325         * mode-switching.c (optimize_mode_switching): Free dominators before
10326         calling cleanup_cfg.
10328 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
10330         PR tree-optimization/88932
10331         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
10333 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
10335         PR middle-end/89137
10336         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
10337         bogus clang warning.
10339 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
10341         PR target/89071
10342         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
10343         alternative to avoid partial SSE register stall for TARGET_AVX.
10344         (truncdfsf2): Ditto.
10345         (sse4_1_round<mode>2): Ditto.
10347 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
10349         PR tree-optimization/89008
10350         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
10351         process anything of the form X * 0.
10353 2019-01-31  Richard Biener  <rguenther@suse.de>
10355         PR tree-optimization/89135
10356         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
10357         with abnormal preds.
10359 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
10361         PR sanitizer/89124
10362         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
10363         always_inline callees into no_sanitize_address callers.
10365 2019-01-31  Richard Biener  <rguenther@suse.de>
10367         PR rtl-optimization/89115
10368         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
10370 2019-01-30  Martin Sebor  <msebor@redhat.com>
10372         PR other/89106
10373         * doc/extend.texi (cast to a union): Correct and expand.
10375 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
10377         PR rtl-optimization/87246
10378         * lra-constraints.c (simplify_operand_subreg): Reload memory
10379         in subreg if the address became invalid.
10381 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
10383         PR target/87064
10384         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
10385         Disable for little-endian.
10387 2019-01-30  Richard Biener  <rguenther@suse.de>
10389         PR rtl-optimization/89115
10390         * opts.c (default_options_optimization): Reduce
10391         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
10392         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
10393         to the default.
10395 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
10397         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
10398         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
10399         type of vector element when vec_extract is implemented by direct
10400         move.
10402 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
10404         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
10406 2019-01-30  Richard Biener  <rguenther@suse.de>
10408         PR tree-optimization/89111
10409         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
10410         canonicalization to appropriately sized access types.
10412 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
10414         PR c++/89105
10415         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
10416         for arguments to functions that are TU-local and shouldn't be
10417         referenced by assembly.
10419 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
10421         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
10422         after '='.
10424 2019-01-29  Martin Sebor  <msebor@redhat.com>
10426         PR c/88956
10427         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
10429 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
10431         PR c++/66676
10432         PR ipa/89104
10433         * omp-simd-clone.c (simd_clone_clauses_extract)
10434         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
10435         OMP_CLAUSE_ALIGNED_ALIGNMENT.
10437 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
10439         * config.gcc: Force .init_array for ARC.
10441 2019-01-29  Richard Biener  <rguenther@suse.de>
10443         PR debug/87295
10444         * dwarf2out.c (collect_skeleton_dies): New helper.
10445         (copy_decls_for_unworthy_types): Call it.
10446         (build_abbrev_table): Assert we do not try to replace
10447         DW_AT_signature refs with local refs.
10449 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
10451         PR middle-end/89002
10452         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
10453         for lastprivate/linear IV, push gimplify context around gimplify_assign
10454         and, if it needed any temporaries, pop it into a gimple bind around the
10455         sequence.
10457 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10459         * common.opt (-Wattribute-alias): Remove "no-" from name.
10460         Make -Wattribute-alias command line option and
10461         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
10463 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
10465         PR target/89073
10466         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
10467         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
10468         x86 ISA options.
10469         (bmi2): Add missing @opindex.
10470         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
10471         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
10472         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
10473         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
10474         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
10475         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
10476         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
10477         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
10478         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
10479         xsavec, xsaveopt and xsaves options.
10481 2019-01-28  Richard Biener  <rguenther@suse.de>
10483         PR debug/89076
10484         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
10485         support removal.
10487 2019-01-28  Richard Biener  <rguenther@suse.de>
10489         PR tree-optimization/88739
10490         * tree-cfg.c (verify_types_in_gimple_reference): Verify
10491         BIT_FIELD_REFs only are applied to mode-precision operands
10492         when they are integral.
10493         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
10494         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
10495         BIT_FIELD_REFs of non-mode-precision integral operands.
10497 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
10499         PR target/87214
10500         * config/i386/sse.md
10501         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
10502         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
10503         first constants in pairs are multiples of 2.  Formatting fixes.
10504         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
10505         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
10506         first constants in each quadruple are multiples of 4.  Formatting fixes.
10508 2019-01-26  Martin Jambor  <mjambor@suse.cz>
10510         PR ipa/88933
10511         * tree-inline.c: Include tree-cfgcleanup.h.
10512         (delete_unreachable_blocks_update_callgraph): Move...
10513         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
10514         ...here, make externally visible, make second argument bool, adjust
10515         all callers.
10516         * tree-cfgcleanup.c: Include cgraph.h.
10517         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
10518         Declare.
10519         * ipa-prop.c: Include tree-cfgcleanup.h.
10520         (ipcp_transform_function): Call
10521         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
10523 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
10525         PR rtl-optimization/88846
10526         * ira.c (process_set_for_memref_referenced_p): New.
10527         (memref_referenced_p): Add new param.  Use
10528         process_set_for_memref_referenced_p.  Add new switch cases.
10529         (memref_used_between_p): Pass new arg to memref_referenced_p.
10531 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
10533         PR target/88469
10534         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
10535         argument ABI_BREAK.  Set to true if the calculated alignment has
10536         changed in gcc-9.  Check bit-fields for their base type alignment.
10537         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
10538         (aarch64_function_arg_boundary): Likewise.
10539         (aarch64_gimplify_va_arg_expr): Likewise.
10541 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
10543         PR middle-end/89037
10544         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
10545         instead of accessing TREE_INT_CST_ELT directly.
10547 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
10549         * doc/sourcebuild.texi (Environment attributes): Add fenv and
10550         fenv_exceptions description.
10552 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
10554         PR rtl-optimization/87763
10555         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
10556         Allow SUBREG when matching CC_NZmode compare.
10558 2019-01-25  Richard Biener  <rguenther@suse.de>
10560         PR tree-optimization/89049
10561         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
10562         Look at the pattern stmt to determine if the stmt is vectorized.
10564 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
10566         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
10567         (pred_mov<mode>): Handle all-register forms using both a new
10568         alternative and a split.
10570 2019-01-25  Richard Biener  <rguenther@suse.de>
10572         PR tree-optimization/86865
10573         * graphite-scop-detection.c (scop_detection::can_represent_loop):
10574         Reject non-do-while loops.
10576 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
10578         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
10579         * config/rs6000/constraints.md (Q constraint): Use REG_P.
10580         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
10581         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
10582         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
10583         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
10584         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
10585         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
10586         vlogical_operand, gpc_reg_operand, int_reg_operand,
10587         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
10588         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
10589         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
10590         (save_world_operation, restore_world_operation, lmw_operation,
10591         stmw_operation): Use MEM_P and REG_P.
10592         (tie_operand): Use MEM_P.
10593         (vrsave_operation, crsave_operation): Use REG_P.
10594         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
10595         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
10596         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
10597         (call_operand): Use HARD_REGISTER_P.
10598         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
10599         Use CONST_INT_P.
10600         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
10601         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
10602         quad_aligned_load_p, replace_swapped_aligned_store,
10603         recombine_lvx_pattern, replace_swapped_aligned_load,
10604         recombine_stvx_pattern): Use MEM_P.
10605         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
10606         Use MEM_P and SYMBOL_REF_P.
10607         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
10608         (insn_is_swappable_p): Use REG_P and MEM_P.
10609         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
10610         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
10611         Use CONST_INT_P.
10612         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
10613         Use CONST_DOUBLE_P.
10614         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
10615         CONST_WIDE_INT_P.
10616         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
10617         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
10618         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
10619         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
10620         reg_or_subregno:
10621         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
10622         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
10623         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
10624         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
10625         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
10626         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
10627         rs6000_split_logical_di): Use CONST_INT_P.
10628         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
10629         REG_P and SYMBOL_REF_P.
10630         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
10631         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
10632         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
10633         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
10634         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
10635         (small_data_operand, print_operand_address): Use CONST_INT_P and
10636         SYMBOL_REF_P.
10637         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
10638         (rs6000_init_hard_regno_mode_ok, direct_move_p):
10639         Use HARD_REGISTER_NUM_P.
10640         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
10641         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
10642         SUBREG_P and SYMBOL_REF_P.
10643         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
10644         and HARD_REGISTER_NUM_P.
10645         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
10646         reg_or_subregno.
10647         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
10648         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
10649         MEM_P and REG_P.
10650         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
10651         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
10652         find_addr_reg): Use REG_P.
10653         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
10654         (rs6000_emit_le_vsx_move): Use SUBREG_P.
10655         (offsettable_ok_by_alignment, constant_pool_expr_p,
10656         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
10657         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
10658         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
10659         rs6000_assemble_integer, create_TOC_reference,
10660         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
10661         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
10662         (rs6000_split_vec_extract_var): Use reg_or_subregno.
10663         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
10664         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
10665         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
10666         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
10667         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
10668         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
10669         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
10670         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
10671         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
10672         and cbranch<mode>4): Use CONST_INT_P.
10673         (multiple define_splits): Use REG_P and SUBREG_P.
10674         (define_expands call, call_value): Use MEM_P.
10675         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
10676         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
10677         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
10678         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
10679         and HARD_REGISTER_NUM_P.
10680         (multiple define_splits): Use HARD_REGISTER_NUM_P.
10682 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
10684         PR rtl-optimization/88948
10685         * rtl.h (prepare_copy_insn): New prototype.
10686         * gcse.c (prepare_copy_insn): New function, split out from
10687         process_insert_insn.
10688         (process_insert_insn): Use prepare_copy_insn.
10689         * store-motion.c (replace_store_insn): Use prepare_copy_insn
10690         instead of gen_move_insn.
10692 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
10694         PR debug/89006
10695         * config/i386/i386.c (ix86_pic_register_p): Return true for
10696         UNSPEC_SET_GOT too.
10698         PR tree-optimization/88964
10699         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
10700         punt if HONOR_SNANS (chrec).
10702         PR middle-end/89015
10703         * tree-nested.c (convert_nonlocal_reference_stmt,
10704         convert_local_reference_stmt, convert_tramp_reference_stmt,
10705         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
10706         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
10707         or GIMPLE_OMP_TASK.
10709         PR tree-optimization/89027
10710         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
10711         for "omp simd array" variables.
10713 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
10715         PR target/88469
10716         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
10717         force the alignment of m_val.
10719 2019-01-24  Richard Biener  <rguenther@suse.de>
10721         PR lto/87187
10722         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
10723         When in "legacy" debug mode make sure to reset self-origins.
10725 2019-01-24  Martin Liska  <mliska@suse.cz>
10727         PR gcov-profile/88994
10728         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
10729         result will be always smaller or equal to the original.
10730         * gcov.c (mangle_name): Fix else branch where we should
10731         also copy to PTR and shift the pointer.
10733 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
10735         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
10736         * vr-values.c (find_case_label_ranges): Fix a comment typo.
10738 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
10740         * common/config/i386/i386-common.c
10741         (OPTION_MASK_ISA_ENQCMD_SET,
10742         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
10743         (ix86_handle_option): Handle -menqcmd.
10744         * config.gcc (enqcmdintrin.h): New header file.
10745         * config/i386/cpuid.h (bit_ENQCMD): New bit.
10746         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
10747         -menqcmd.
10748         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
10749         function type.
10750         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
10751         __builtin_ia32_enqcmds): New builtins.
10752         * config/i386/i386-c.c (__ENQCMD__): New macro.
10753         * config/i386/i386-option.c (ix86_target_string): Add
10754         -menqcmd.
10755         (ix86_valid_target_attribute_inner_p): Likewise.
10756         * config/i386/i386-expand.c
10757         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
10758         IX86_BUILTIN_ENQCMDS.
10759         * config/i386/i386.h (TARGET_ENQCMD): New.
10760         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
10761         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
10762         (movdir64b_<mode>): Parameterize to enable share expansion code
10763         with ENQCMD in function ix86_expand_builtin.
10764         * config/i386/i386.opt: Add -menqcmd.
10765         * config/i386/immintrin.h: Include enqcmdintrin.h.
10766         * config/i386/enqcmdintrin.h: New intrinsic file.
10767         * doc/invoke.texi: Add -menqcmd.
10769 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
10770             Steve Ellcey <sellcey@marvell.com>
10772         PR target/85711
10773         * recog.c (address_operand): Return false on wrong mode for address.
10774         (constrain_operands): Check for mode with 'p' constraint.
10776 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
10778         PR target/88998
10779         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
10780         Disparage MMX alternative.
10781         (sse2_cvtpd2pi): Ditto.
10782         (sse2_cvttpd2pi): Ditto.
10784 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
10786         PR driver/89014
10787         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
10788         use-after-free of the result of
10789         aarch64_get_extension_string_for_isa_flags.
10791 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
10793         PR c/44715
10794         * doc/extend.texi: Document break and continue behavior in
10795         statement expressions.
10797 2019-01-23  Richard Biener  <rguenther@suse.de>
10799         PR tree-optimization/89008
10800         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
10801         not leave another stray operand.
10803 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
10805         * BASE-VER: Bump to 9.0.1.
10807 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
10809         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
10810         thunk that returns by reference, use the type of the return object
10811         of the thunk instead of that of the alias to build the dereference.
10813 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
10815         * config/arc/atomic.md: Add operand to DMB instruction.
10817 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
10819         PR tree-optimization/88964
10820         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
10821         build_zero_cst instead of build_int_cst.  Return false for loop
10822         invariants which honor signed zeros.
10824 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
10826         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
10828 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
10830         PR target/88965
10831         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
10832         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
10833         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
10835         PR middle-end/88968
10836         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
10837         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
10839         PR target/87064
10840         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
10841         Disable for little endian.
10843 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
10845         PR target/88469
10846         * config/arm/arm.c (arm_needs_double_word_align): Check
10847         DECL_BIT_FIELD_TYPE.
10849 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
10850             H.J. Lu  <hongjiu.lu@intel.com>
10852         PR target/88909
10853         * config/i386/i386-builtin.def: Add mask2 to all builtin
10854         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
10855         SPECIAL_ARGS.
10856         * config/i386/i386.c (BDESC): Add mask2 to the definition.
10857         (BDESC_FIRST): Likewise.
10858         (define_builtin): Add an argument for mask2.  Updated to handle
10859         both ix86_isa_flags and ix86_isa_flags2.
10860         (define_builtin_const): Likewise.
10861         (define_builtin_pure): Likewise.
10862         (define_builtin2): Deleted.
10863         (define_builtin_const2): Likewise.
10864         (builtin_description): Add a member, mask2.
10865         (bdesc_*): Add mask2 to builtin initializations.
10866         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
10867         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
10868         support.
10869         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
10871 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10873         PR target/88954
10874         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
10875         noplt attribute.
10877 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
10879         PR target/88469
10880         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
10881         alignment is dominated by a bitfield with 64-bit aligned base type.
10882         (arm_function_arg): Emit a warning if the alignment has changed since
10883         earlier GCC releases.
10884         (arm_function_arg_boundary): Likewise.
10885         (arm_setup_incoming_varargs): Likewise.
10887 2019-01-22  Richard Biener  <rguenther@suse.de>
10889         PR tree-optimization/88862
10890         * graphite-scop-detection.c
10891         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
10893 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
10895         * doc/extend.tex (AMD GCN Function Attributes): New section.
10896         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
10897         * doc/invoke.texi (AMD GCN Options): New section.
10898         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
10900 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10902         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
10903         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
10905 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
10907         PR tree-optimization/88044
10908         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
10909         is false in the first iteration, but !every_iteration, return false
10910         instead of true with niter->niter zero.
10912         PR rtl-optimization/88904
10913         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
10914         any nonequal registers before processing BB_END (b).
10916         PR target/88905
10917         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
10918         GET_MODE (op0).
10919         (expand_binop_directly, expand_doubleword_clz,
10920         expand_doubleword_popcount, expand_ctz, expand_ffs,
10921         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
10923         PR rtl-optimization/49429
10924         PR target/49454
10925         PR rtl-optimization/86334
10926         PR target/88906
10927         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
10928         addressable from here...
10929         (emit_block_op_via_libcall): ... to here.
10931 2019-01-22  Richard Biener  <rguenther@suse.de>
10933         * tree-vect-loop.c (vect_analyze_loop_operations): Use
10934         auto_vec for cost vector to fix memleak.
10935         (vectorize_fold_left_reduction): Properly gather SLP defs.
10936         (vectorizable_comparison): Do not swap operands to properly
10937         gather SLP defs.
10939 2019-01-22  Alan Modra  <amodra@gmail.com>
10941         PR target/88614
10942         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
10943         stays a reg.  Allow a const_int.
10944         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
10945         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
10946         (IS_NOMARK_TLSGETADDR): Define.
10947         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
10948         (rs6000_output_tlsargs): New function.
10949         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
10950         __tls_get_addr call takes an arg.
10951         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
10952         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
10953         delete split..
10954         (call_value_nonlocal_sysv): ..or here, delete split.
10955         (tls_gdld_nomark): Delete.
10956         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
10957         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
10958         (call_value_nonlocal_sysv): Likewise.
10959         (call_value_nonlocal_sysv_secure): Likewise.
10960         (call_value_nonlocal_aix): Likewise.
10961         (call_value_indirect_aix): Likewise.
10962         (call_value_indirect_elfv2): Likewise.
10963         (call_value_local32, call_value_local64): Disable for no-mark tls.
10964         (call_value_local_aix): Likewise.
10966 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
10968         PR target/88938
10969         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
10970         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
10972 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
10974         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
10975         string contents as hash_map keys.
10977 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10979         PR c/88928
10980         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
10981         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
10982         instead of TYPE_ALIGN.
10983         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
10984         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
10985         pointer from TYPE_STUB_DECL.
10987 2019-01-21  Richard Biener  <rguenther@suse.de>
10989         PR tree-optimization/88934
10990         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
10991         at the possibly non-constant operand.
10992         (vect_get_constant_vectors): Adjust.
10994 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
10996         PR target/71659
10997         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
10998         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
10999         instead of _X86INTRIN_H_INCLUDED.
11000         * onfig/i386/clwbintrin.h: Likewise.
11001         * config/i386/pkuintrin.h: Likewise.
11002         * config/i386/prfchwintrin.h: Likewise.
11003         * config/i386/rdseedintrin.h: Likewise.
11004         * config/i386/wbnoinvdintrin.h: Likewise.
11005         * config/i386/xsavecintrin.h: Likewise.
11006         * config/i386/xsavesintrin.h: Likewise.
11007         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
11008         * config/i386/xsaveintrin.h: Likewise.
11009         * config/i386/xsaveoptintrin.h: Likewise.
11010         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
11011         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
11012         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
11013         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
11014         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
11015         * config/i386/immintrin.h: Here.
11017 2019-01-20  Martin Jambor  <mjambor@suse.cz>
11019         PR ipa/87615
11020         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
11021         with aa_walk_budget.
11022         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
11023         aa_walk_budget_p parameter.
11024         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
11025         walk.  Updated all callers.
11026         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
11027         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
11028         unmodified_parm.
11029         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
11030         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
11031         and to unmodified_parm.
11032         (phi_result_unknown_predicate): New parameter fbi, removed parameter
11033         info, updated call to will_be_nonconstant_expr_predicate.
11034         (param_change_prob): New parameter fbi, limit AA walking.
11035         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
11036         calls to various above functions.
11037         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
11038         parameter.  Use it to limit AA walking.
11039         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
11040         fbi, limit AA walk.
11041         (detect_type_change): New parameter fbi, pass it on to
11042         detect_type_change_from_memory_writes.
11043         (detect_type_change_ssa): Likewise.
11044         (aa_overwalked): Removed.
11045         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
11046         accordingly, adjust to the neew AA limiting scheme.
11047         (parm_ref_data_preserved_p): Likewise.
11048         (ipa_compute_jump_functions_for_edge): Adjust call to
11049         get_dynamic_type.
11050         (ipa_analyze_call_uses): Likewise.
11051         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
11052         (ipa_analyze_node): Initialize aa_walk_budget.
11053         (ipcp_transform_function): Likewise.
11054         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
11055         to get_dynamic_type.
11057 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
11059         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
11060         outside of #if CHECKING_P code.
11062 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
11064         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
11065         New function, split out from...
11066         (loop_versioning::analyze_stride): ...here.
11067         (loop_versioning::find_per_loop_multiplication): Use gassign.
11068         (loop_versioning::analyze_term_using_scevs): Return a success code.
11069         (loop_versioning::analyze_arbitrary_term): New function.
11070         (loop_versioning::analyze_address_fragment): Use
11071         analyze_arbitrary_term if all else fails.
11073 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
11075         PR target/88892
11076         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
11077         operands.
11079 2019-01-18  Richard Biener  <rguenther@suse.de>
11081         PR tree-optimization/88903
11082         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
11083         scalar stmts a SLP shift amount is composed of when detecting
11084         shifts by scalars.
11086 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
11088         PR target/88799
11089         * config/arm/arm-cpus.in (mp): New feature.
11090         (sec): New feature.
11091         (fgroup ARMv7ve): Add mp and sec features.
11092         (arch armv7-a): Add options to allow mp and sec extensions.
11093         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
11094         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
11095         extenstions to the base architecture.
11096         (cpu cortex-a8): Add sec extension to the base architecture.
11097         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
11098         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
11099         variants down to the base v7-a varaint.
11100         * config/arm/t-multilib (v7_a_arch_variants): New variable.
11101         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
11102         of permitted extensions for -march=armv7-a and for
11103         -mcpu=generic-armv7-a.
11105 2019-01-18  Martin Liska  <mliska@suse.cz>
11107         * params.def: Fix comment.
11108         * tree-profile.c (gimple_init_gcov_profiler): Bump function
11109         name.
11110         (gimple_gen_ic_func_profiler): Likewise.
11112 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11114         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
11115         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
11116         and put in error checks for stack protector guard options.
11117         (aarch64_stack_protect_guard): New.
11118         (TARGET_STACK_PROTECT_GUARD): Define.
11119         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
11120         (reg_stack_protect_address<mode>): New.
11121         (stack_protect_set): Adjust for SSP_GLOBAL.
11122         (stack_protect_test): Likewise.
11123         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
11124         (-mstack-protector-guard): Likewise.
11125         (-mstack-protector-guard-offset): Likewise.
11127 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
11129         PR tree-optimization/86214
11130         * tree-inline.h (struct copy_body_data): Add
11131         add_clobbers_to_eh_landing_pads member.
11132         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
11133         (copy_edges_for_bb): Call it if EH edge destination is <
11134         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
11135         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
11136         if flag_stack_reuse != SR_NONE and clear it afterwards.
11138 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
11140         PR target/85596
11141         * doc/install.texi (with-multilib-list): Document for aarch64.
11143 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
11145         PR target/88734
11146         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
11147         (("..."))) with ("...").
11149 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
11151         * doc/extend.texi (Built-in Functions for Memory Model Aware
11152         Atomic Operations): Document atomic fetch and nand.
11154 2019-01-18  Martin Liska  <mliska@suse.cz>
11155             Richard Biener  <rguenther@suse.de>
11157         PR middle-end/88587
11158         * cgraph.h (create_version_clone_with_body): Add new argument
11159         with attributes.
11160         * cgraphclones.c (cgraph_node::create_version_clone): Add
11161         DECL_ATTRIBUTES to a newly created decl.  And call
11162         valid_attribute_p so that proper cl_target_optimization_node
11163         is set for the newly created declaration.
11164         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
11165         for declaration.
11166         (expand_target_clones): Do not call valid_attribute_p, it must
11167         be already done.
11168         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
11169         vector types.
11171 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
11173         PR target/88734
11174         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
11175         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
11176         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
11178 2019-01-17  Martin Sebor  <msebor@redhat.com>
11180         PR middle-end/88273
11181         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
11182         Handle anti-ranges the same as no range at all.
11184 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
11186         * config/aarch64/aarch64.c (cgraph.h): New include.
11187         (intl.h): New include.
11188         (supported_simd_type): New function.
11189         (currently_supported_simd_type): Ditto.
11190         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
11191         (aarch64_simd_clone_adjust): Ditto.
11192         (aarch64_simd_clone_usable): Ditto.
11193         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
11194         (TARGET_SIMD_CLONE_ADJUST): Ditto.
11195         (TARGET_SIMD_CLONE_USABLE): Ditto.
11196         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
11197         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
11198         call.
11200 2019-01-17  Martin Sebor  <msebor@redhat.com>
11202         PR tree-optimization/88800
11203         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
11204         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
11205         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
11206         redundant argument.  Add new argument and issue diagnostics under
11207         its control.  Detect out-of-bounds access even with warnings
11208         disabled.
11209         (check_bounds_or_overlap): Change return type.  Add argument.
11210         (wrestrict_dom_walker::check_call): Adjust.
11211         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
11212         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
11213         check_bounds_or_overlap's return value.
11214         (handle_builtin_stxncpy): Same.
11215         (handle_builtin_strcat): Same.
11217 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11218             Kwok Cheung Yeung  <kcy@codesourcery.com>
11219             Julian Brown  <julian@codesourcery.com>
11220             Tom de Vries  <tom@codesourcery.com>
11222         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
11224 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11226         * doc/sourcebuild.texi: Document dg-require-effective-target
11227         llvm_binutils and offload_gcn.
11229 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11230             Kwok Cheung Yeung  <kcy@codesourcery.com>
11231             Julian Brown  <julian@codesourcery.com>
11232             Tom de Vries  <tom@codesourcery.com>
11234         * doc/sourcebuild.texi: Document dg-required-effective-target
11235         exceptions.
11237 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11238             Kwok Cheung Yeung  <kcy@codesourcery.com>
11239             Julian Brown  <julian@codesourcery.com>
11240             Tom de Vries  <tom@codesourcery.com>
11241             Jan Hubicka  <hubicka@ucw.cz>
11242             Martin Jambor  <mjambor@suse.cz>
11244         * config.gcc: Add amdgcn*-*-amdhsa configuration.
11245         * configure.ac: Check for dlopen.
11246         * configure: Regenerate.
11248 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11249             Kwok Cheung Yeung  <kcy@codesourcery.com>
11250             Julian Brown  <julian@codesourcery.com>
11251             Tom de Vries  <tom@codesourcery.com>
11252             Jan Hubicka  <hubicka@ucw.cz>
11253             Martin Jambor  <mjambor@suse.cz>
11255         * common/config/gcn/gcn-common.c: New file.
11256         * config/gcn/driver-gcn.c: New file.
11257         * config/gcn/gcn-builtins.def: New file.
11258         * config/gcn/gcn-hsa.h: New file.
11259         * config/gcn/gcn-modes.def: New file.
11260         * config/gcn/gcn-opts.h: New file.
11261         * config/gcn/gcn-passes.def: New file.
11262         * config/gcn/gcn-protos.h: New file.
11263         * config/gcn/gcn-run.c: New file.
11264         * config/gcn/gcn-tree.c: New file.
11265         * config/gcn/gcn.c: New file.
11266         * config/gcn/gcn.h: New file.
11267         * config/gcn/gcn.opt: New file.
11268         * config/gcn/t-gcn-hsa: New file.
11270 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
11271             Kwok Cheung Yeung  <kcy@codesourcery.com>
11272             Julian Brown  <julian@codesourcery.com>
11273             Tom de Vries  <tom@codesourcery.com>
11274             Jan Hubicka  <hubicka@ucw.cz>
11275             Martin Jambor  <mjambor@suse.cz>
11277         * config/gcn/constraints.md: New file.
11278         * config/gcn/gcn-valu.md: New file.
11279         * config/gcn/gcn.md: New file.
11280         * config/gcn/predicates.md: New file.
11282 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11284         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
11285         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
11286         (stmt_uses_0_or_null_in_undefined_way): Likewise.
11287         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
11289 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
11291         PR target/88851
11292         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
11293         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
11294         it and document registers.
11296 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11298         * config/aarch64/aarch64.c (ares_tunings): Define.
11299         * config/aarch64/aarch64-cores.def (ares): Use the above.
11301 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
11303         PR target/88794
11304         Revert:
11305         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
11307         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
11308         (_mm512_fixupimm_round_pd): Update parameters and builtin.
11309         (_mm512_maskz_fixupimm_round_pd): Ditto.
11310         (_mm512_fixupimm_round_ps): Ditto.
11311         (_mm512_maskz_fixupimm_round_ps): Ditto.
11312         (_mm_fixupimm_round_sd): Ditto.
11313         (_mm_maskz_fixupimm_round_sd): Ditto.
11314         (_mm_fixupimm_round_ss): Ditto.
11315         (_mm_maskz_fixupimm_round_ss): Ditto.
11316         (_mm512_fixupimm_pd): Ditto.
11317         (_mm512_maskz_fixupimm_pd): Ditto.
11318         (_mm512_fixupimm_ps): Ditto.
11319         (_mm512_maskz_fixupimm_ps): Ditto.
11320         (_mm_fixupimm_sd): Ditto.
11321         (_mm_maskz_fixupimm_sd): Ditto.
11322         (_mm_fixupimm_ss): Ditto.
11323         (_mm_maskz_fixupimm_ss): Ditto.
11324         (_mm512_mask_fixupimm_round_pd): Update builtin.
11325         (_mm512_mask_fixupimm_round_ps): Ditto.
11326         (_mm_mask_fixupimm_round_sd): Ditto.
11327         (_mm_mask_fixupimm_round_ss): Ditto.
11328         (_mm512_mask_fixupimm_pd): Ditto.
11329         (_mm512_mask_fixupimm_ps): Ditto.
11330         (_mm_mask_fixupimm_sd): Ditto.
11331         (_mm_mask_fixupimm_ss): Ditto.
11332         * config/i386/avx512vlintrin.h:
11333         (_mm256_fixupimm_pd): Update parameters and builtin.
11334         (_mm256_maskz_fixupimm_pd): Ditto.
11335         (_mm256_fixupimm_ps): Ditto.
11336         (_mm256_maskz_fixupimm_ps): Ditto.
11337         (_mm_fixupimm_pd): Ditto.
11338         (_mm_maskz_fixupimm_pd): Ditto.
11339         (_mm_fixupimm_ps): Ditto.
11340         (_mm_maskz_fixupimm_ps): Ditto.
11341         (_mm256_mask_fixupimm_pd): Update builtin.
11342         (_mm256_mask_fixupimm_ps): Ditto.
11343         (_mm_mask_fixupimm_pd): Ditto.
11344         (_mm_mask_fixupimm_ps): Ditto.
11345         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
11346         * config/i386/i386-builtin.def: Update builtin definitions.
11347         * config/i386/i386.c: Handle new builtin types and remove useless ones.
11348         * config/i386/sse.md: Update VFIXUPIMM* patterns.
11349         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
11350         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
11351         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
11352         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
11353         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
11354         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
11355         * config/i386/subst.md:
11356         (round_saeonly_sd_mask_operand4): Add new subst_attr.
11357         (round_saeonly_sd_mask_op4): Ditto.
11358         (round_saeonly_expand_operand5): Ditto.
11359         (round_saeonly_expand): Update.
11361 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
11363         PR target/88794
11364         Revert:
11365         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
11367         * config/i386/sse.md: Combine VFIXUPIMM* patterns
11368         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
11369         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
11370         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
11371         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
11372         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
11373         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
11375 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
11377         PR target/88794
11378         Revert:
11379         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
11381         PR target/88489
11382         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
11383         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
11384         instead of UNSPEC_FIXUPIMM.
11386 2019-01-17  Richard Biener  <rguenther@suse.de>
11388         PR lto/86736
11389         * dwarf2out.c (want_pubnames): Never generate pubnames sections
11390         and friends for the LTO part of debug info.
11392 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
11394         PR tree-optimization/86214
11395         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
11396         if x == y.
11398         PR rtl-optimization/88870
11399         * dce.c (deletable_insn_p): Never delete const/pure calls that can
11400         throw if we can't alter the cfg or delete dead exceptions.
11401         (mark_insn): Don't call find_call_stack_args for such calls.
11403 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
11405         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
11406         prototypes for vec_st.
11407         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
11408         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
11409         mainly on signed/unsigned long long and double.
11411 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
11413         PR target/88861
11414         * combine.c (delete_noop_moves): Convert to "bool" return,
11415         returning true if any edges are eliminated.
11416         (combine_instructions): Also return true if delete_noop_moves
11417         returns true.
11419 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
11421         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
11422         correct max nunits for endian swap.
11423         (aarch64_expand_fcmla_builtin): Correct subreg code.
11424         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
11425         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
11426         lane endianness.
11428 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
11430         * config/alpha/alpha.c (alpha_gimplify_va_arg):
11431         Handle split indirect COMPLEX_TYPE arguments.
11433 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
11435         PR target/86891
11436         * config/aarch64/aarch64-modes.def: Add comment about how the carry
11437         bit is set by add and compare.
11438         (CC_ADC): New CC_MODE.
11439         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
11440         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
11441         comparison.  Add detection for CC_ADCmode.
11442         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
11443         CC_ADCmode.
11444         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
11445         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
11446         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
11447         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
11448         to eliminate the need for zero-extending the operands.
11449         (add<mode>3_compareC_imm): Delete.  Merge into ...
11450         (add<mode>3_compareC): ... this.  Restructure the comparison to
11451         eliminate the need for zero-extending the operands.
11452         (add<mode>3_carryin): Use LTU for the overflow detection.
11453         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
11454         Reexpress comparison for overflow.
11455         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
11456         (add<mode>3_carryinC): Likewise.
11457         (add<mode>3_carryinV): Use LTU for carry between partials.
11458         * config/aarch64/predicates.md (aarch64_carry_operation): Update
11459         handling of CC_Cmode and add CC_ADCmode.
11460         (aarch64_borrow_operation): Likewise.
11462 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
11464         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
11465         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
11466         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
11467         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
11469 2019-01-16  Martin Liska  <mliska@suse.cz>
11471         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
11472         for GCC driver.
11473         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
11474         a new argument.
11475         * gcc.c (add_sysrooted_hdrs_prefix): New function.
11476         (path_prefix_reset): Move up in the source file.
11477         (find_fortran_preinclude_file): Make complex search for the
11478         fortran header files.
11480 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
11482         * godump.c (go_output_typedef): When outputting a typedef, refer
11483         to the underlying type by its name and not its structure.
11485 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
11487         PR c++/88795
11488         * tree.c (build_function_type): Assert that arg_types is not
11489         error_mark_node.
11491 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
11493         PR inline-asm/52813
11494         * doc/extend.texi: Document that listing the stack pointer in the
11495         clobber list of an asm is a deprecated feature.
11496         * common.opt (Wdeprecated): Moved from c-family/c.opt.
11497         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
11498         warning instead of an error for clobbers of the stack pointer.
11499         Add a note explaining why.
11501 2019-01-15  Richard Biener  <rguenther@suse.de>
11503         PR debug/88046
11504         * dwarf2out.c (gen_member_die): Do not generate inheritance
11505         DIEs late.
11507 2019-01-15  Richard Biener  <rguenther@suse.de>
11509         PR tree-optimization/88855
11510         * tree-if-conv.c (combine_blocks): Collect
11511         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
11513 2019-01-15  Tom de Vries  <tdevries@suse.de>
11515         PR target/80547
11516         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
11517         lhs == NULL_TREE for gang-level reduction.
11519 2019-01-15  Richard Biener  <rguenther@suse.de>
11520             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
11522         PR ipa/88788
11523         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
11524         return true if SSA_NAME is already marked in visited bitmap.
11525         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
11527 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
11529         PR tree-optimization/88775
11530         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
11531         equal == 0 equality pointer comparisons some more if compared in
11532         integral types and either one points to an automatic var and the
11533         other to a global, or we can prove at least one points to the middle
11534         or both point to start or both point to end.
11536 2019-01-14  Andi Kleen  <ak@linux.intel.com>
11538         * Makefile.in: Lower autofdo sampling rate by 10x.
11539         * Makefile.tpl: Dito.
11541 2019-01-14  Tom Honermann  <tom@honermann.net>
11543         * defaults.h: Define CHAR8_TYPE.
11545 2019-01-14  Martin Sebor  <msebor@redhat.com>
11547         PR target/88638
11548         * doc/extend.texi (Darwin Format Checks): Clarify.
11550 2019-01-14  Richard Biener  <rguenther@suse.de>
11552         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
11553         whether we are in (simplify ...) or (match ...) context.
11555 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
11557         PR rtl-optimization/88796
11558         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
11559         * cfgexpand.c (stack_protect_prologue): Initialize
11560         crtl->stack_protect_guard_decl.
11561         * function.c (stack_protect_epilogue): Use it instead of calling
11562         targetm.stack_protect_guard again.
11563         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
11564         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
11565         crtl->stack_protect_guard_decl.
11566         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
11567         on the returned MEM_EXPR.
11569 2019-01-12  Tom de Vries  <tdevries@suse.de>
11571         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
11572         vector length using -fopenacc-dim.
11574 2019-01-12  Tom de Vries  <tdevries@suse.de>
11576         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
11577         lengths into account.
11579 2019-01-12  Svante Signell  <svante.signell@gmail.com>
11581         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
11582         (TARGET_CAN_SPLIT_STACK): Define.
11583         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
11585 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11587         * params.def (inline-unit-growth): Set to 40.
11589 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
11591         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
11593 2019-01-12  Tom de Vries  <tdevries@suse.de>
11595         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
11596         region calling vector-partitionable routine, set default_vector_length
11597         to WARP_SIZE.
11599 2019-01-12  Tom de Vries  <tdevries@suse.de>
11601         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
11602         variable default_vector_length.
11604 2019-01-12  Tom de Vries  <tdevries@suse.de>
11606         PR middle-end/88703
11607         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
11608         from oacc_default_dims, as oacc_validate_dims would do it, and apply
11609         dimensions limits.
11611 2019-01-12  Tom de Vries  <tdevries@suse.de>
11613         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
11614         (nvptx_goacc_validate_dims): Add used parameter.
11615         * doc/tm.texi: Regenerate.
11616         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
11617         argument to call to targetm.goacc.validate_dims.
11618         (default_goacc_validate_dims): Add used
11619         parameter.
11620         * target.def (validate_dims): Add used parameter in DEFHOOK.
11621         * targhooks.h (default_goacc_validate_dims): Add used parameter.
11623 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
11625         PR middle-end/85956
11626         PR lto/88733
11627         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
11628         field.
11629         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
11630         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
11631         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
11632         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
11634 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
11636         PR rtl-optimization/87305
11637         * lra-assigns.c
11638         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
11639         for little endian pseudos used as paradoxical subreg.
11641 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
11643         PR tree-optimization/88693
11644         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
11645         for STRING_CSTs that don't contain any NUL characters in the first
11646         TREE_STRING_LENGTH bytes.
11648 2019-01-11  Alan Modra  <amodra@gmail.com>
11650         PR 88777
11651         PR 88614
11652         * genattrtab.c (min_fn): Don't translate values.
11653         (min_attr_value): Return INT_MAX when the value can't be calculated.
11654         Return minimum among any values that can be calculated.
11655         (max_attr_value): Adjust.
11657 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
11659         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
11661 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
11663         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
11664         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
11665         (aarch64_return_call_with_max_clobbers): New function.
11666         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
11667         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
11668         argument.
11669         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
11670         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
11671         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
11672         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
11673         * cselib.c (cselib_process_insn): Add argument to
11674         targetm.hard_regno_call_part_clobbered call.
11675         * ira-conflicts.c (ira_build_conflicts): Ditto.
11676         * ira-costs.c (ira_tune_allocno_costs): Ditto.
11677         * lra-constraints.c (inherit_reload_reg): Ditto.
11678         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
11679         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
11680         argument.  Call targetm.return_call_with_max_clobbers.
11681         Add argument to targetm.hard_regno_call_part_clobbered call.
11682         (calls_have_same_clobbers_p): New function.
11683         (process_bb_lives): Add call_insn and last_call_insn variables.
11684         Pass call_insn to check_pseudos_live_through_calls.
11685         Modify if stmt to check targetm.return_call_with_max_clobbers.
11686         Update setting of flush variable.
11687         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
11688         to false.
11689         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
11690         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
11691         targetm.hard_regno_call_part_clobbered call.
11692         * reginfo.c (choose_hard_reg_mode): Ditto.
11693         * regrename.c (check_new_reg_p): Ditto.
11694         * reload.c (find_equiv_reg): Ditto.
11695         * reload1.c (emit_reload_insns): Ditto.
11696         * sched-deps.c (deps_analyze_insn): Ditto.
11697         * sel-sched.c (init_regs_for_mode): Ditto.
11698         (mark_unavailable_hard_regs): Ditto.
11699         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
11700         * target.def (hard_regno_call_part_clobbered): Add insn argument.
11701         (return_call_with_max_clobbers): New target function.
11702         * doc/tm.texi: Regenerate.
11703         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
11704         * hooks.c (hook_bool_uint_mode_false): Change to
11705         hook_bool_insn_uint_mode_false.
11706         * hooks.h (hook_bool_uint_mode_false): Ditto.
11708 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
11710         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
11711         (aarch64_remove_extra_call_preserved_regs): New function.
11712         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
11713         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
11714         * doc/tm.texi: Regenerate.
11715         * final.c (get_call_reg_set_usage): Call new hook.
11716         * target.def (remove_extra_call_preserved_regs): New hook.
11717         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
11718         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
11720 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
11722         PR bootstrap/88714
11723         * passes.c (finish_optimization_passes): Call print_combine_total_stats
11724         inside of pass_combine_1 dump rather than pass_profile_1.
11726 2019-01-11  Tom de Vries  <tdevries@suse.de>
11728         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
11729         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
11730         (PTX_NUM_PER_WORKER_BARRIERS): Define.
11731         (nvptx_apply_dim_limits): Prevent vector_length 64 and
11732         num_workers 16.
11734 2019-01-11  Tom de Vries  <tdevries@suse.de>
11736         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
11738 2019-01-11  Jan Beulich  <jbeulich@suse.com>
11740         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
11741         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
11742         sse2_cvtsi2sd): Add {l}.
11743         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
11744         syntax.
11746 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
11748         PR target/88785
11749         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
11750         define_expand.
11751         (*float<floatunssuffix>v2div2sf2): New define_insn.
11752         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
11753         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
11754         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
11755         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
11756         match_operands with "const0_operand" "C".
11758 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
11760         * config/aarch64/aarch64-builtins.c
11761         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
11762         (aarch64_init_simd_builtins): ...Here
11764 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
11766         PR rtl-optimization/87305
11767         * lra-assigns.c
11768         (setup_live_pseudos_and_spill_after_risky_transforms): Check
11769         allocation for big endian pseudos used as paradoxical subregs and
11770         spill them if it is wrong.
11771         * lra-constraints.c (lra_constraints): Add a comment.
11773 2019-01-10  Richard Biener  <rguenther@suse.de>
11775         PR tree-optimization/88792
11776         * tree-ssa-pre.c (get_representative_for): Do not return a
11777         value-number here.
11779 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
11781         PR middle-end/84877
11782         PR bootstrap/88450
11783         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
11784         (assign_parm_setup_block): Do the argument slot realignment here
11785         instead.
11787 2019-01-10  Stefan Agner  <stefan@agner.ch>
11789         PR target/88648
11790         * config/arm/arm.c (arm_option_override_internal): Force
11791         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
11793 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
11795         PR c/88568
11796         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
11797         DECL_EXTERNAL.
11799 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
11801         * config/arm/arm-builtins.c
11802         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
11803         (MAC_LANE_PAIR_QUALIFIERS): New.
11804         (arm_expand_builtin_args): Use it.
11805         (arm_expand_builtin_1): Likewise.
11806         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
11807         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
11808         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
11809         * config/arm/arm_neon.h:
11810         (vcadd_rot90_f16): New.
11811         (vcaddq_rot90_f16): New.
11812         (vcadd_rot270_f16): New.
11813         (vcaddq_rot270_f16): New.
11814         (vcmla_f16): New.
11815         (vcmlaq_f16): New.
11816         (vcmla_lane_f16): New.
11817         (vcmla_laneq_f16): New.
11818         (vcmlaq_lane_f16): New.
11819         (vcmlaq_laneq_f16): New.
11820         (vcmla_rot90_f16): New.
11821         (vcmlaq_rot90_f16): New.
11822         (vcmla_rot90_lane_f16): New.
11823         (vcmla_rot90_laneq_f16): New.
11824         (vcmlaq_rot90_lane_f16): New.
11825         (vcmlaq_rot90_laneq_f16): New.
11826         (vcmla_rot180_f16): New.
11827         (vcmlaq_rot180_f16): New.
11828         (vcmla_rot180_lane_f16): New.
11829         (vcmla_rot180_laneq_f16): New.
11830         (vcmlaq_rot180_lane_f16): New.
11831         (vcmlaq_rot180_laneq_f16): New.
11832         (vcmla_rot270_f16): New.
11833         (vcmlaq_rot270_f16): New.
11834         (vcmla_rot270_lane_f16): New.
11835         (vcmla_rot270_laneq_f16): New.
11836         (vcmlaq_rot270_lane_f16): New.
11837         (vcmlaq_rot270_laneq_f16): New.
11838         (vcadd_rot90_f32): New.
11839         (vcaddq_rot90_f32): New.
11840         (vcadd_rot270_f32): New.
11841         (vcaddq_rot270_f32): New.
11842         (vcmla_f32): New.
11843         (vcmlaq_f32): New.
11844         (vcmla_lane_f32): New.
11845         (vcmla_laneq_f32): New.
11846         (vcmlaq_lane_f32): New.
11847         (vcmlaq_laneq_f32): New.
11848         (vcmla_rot90_f32): New.
11849         (vcmlaq_rot90_f32): New.
11850         (vcmla_rot90_lane_f32): New.
11851         (vcmla_rot90_laneq_f32): New.
11852         (vcmlaq_rot90_lane_f32): New.
11853         (vcmlaq_rot90_laneq_f32): New.
11854         (vcmla_rot180_f32): New.
11855         (vcmlaq_rot180_f32): New.
11856         (vcmla_rot180_lane_f32): New.
11857         (vcmla_rot180_laneq_f32): New.
11858         (vcmlaq_rot180_lane_f32): New.
11859         (vcmlaq_rot180_laneq_f32): New.
11860         (vcmla_rot270_f32): New.
11861         (vcmlaq_rot270_f32): New.
11862         (vcmla_rot270_lane_f32): New.
11863         (vcmla_rot270_laneq_f32): New.
11864         (vcmlaq_rot270_lane_f32): New.
11865         (vcmlaq_rot270_laneq_f32): New.
11866         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
11867         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
11868         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
11869         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
11870         vcmlaq_lane270): New.
11871         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
11872         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
11873         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
11874         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
11875         (arm_option_reconfigure_globals): Use them.
11876         * config/arm/iterators.md (VDF, VQ_HSF): New.
11877         (VCADD, VCMLA): New.
11878         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
11879         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
11880         New.
11881         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
11882         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
11884 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
11886         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
11887         Add qualifier_lane_pair_index.
11888         (emit-rtl.h): Include.
11889         (TYPES_QUADOP_LANE_PAIR): New.
11890         (aarch64_simd_expand_args): Use it.
11891         (aarch64_simd_expand_builtin): Likewise.
11892         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
11893         New.
11894         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
11895         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
11896         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
11897         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
11898         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
11899         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
11900         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
11901         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
11902         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
11903         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
11904         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
11905         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
11906         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
11907         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
11908         Add __ARM_FEATURE_COMPLEX.
11909         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
11910         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
11911         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
11912         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
11913         fcmlaq_lane270): New.
11914         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
11915         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
11916         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
11917         * config/aarch64/arm_neon.h:
11918         (vcadd_rot90_f16): New.
11919         (vcaddq_rot90_f16): New.
11920         (vcadd_rot270_f16): New.
11921         (vcaddq_rot270_f16): New.
11922         (vcmla_f16): New.
11923         (vcmlaq_f16): New.
11924         (vcmla_lane_f16): New.
11925         (vcmla_laneq_f16): New.
11926         (vcmlaq_lane_f16): New.
11927         (vcmlaq_rot90_lane_f16): New.
11928         (vcmla_rot90_laneq_f16): New.
11929         (vcmla_rot90_lane_f16): New.
11930         (vcmlaq_rot90_f16): New.
11931         (vcmla_rot90_f16): New.
11932         (vcmlaq_laneq_f16): New.
11933         (vcmla_rot180_laneq_f16): New.
11934         (vcmla_rot180_lane_f16): New.
11935         (vcmlaq_rot180_f16): New.
11936         (vcmla_rot180_f16): New.
11937         (vcmlaq_rot90_laneq_f16): New.
11938         (vcmlaq_rot270_laneq_f16): New.
11939         (vcmlaq_rot270_lane_f16): New.
11940         (vcmla_rot270_laneq_f16): New.
11941         (vcmlaq_rot270_f16): New.
11942         (vcmla_rot270_f16): New.
11943         (vcmlaq_rot180_laneq_f16): New.
11944         (vcmlaq_rot180_lane_f16): New.
11945         (vcmla_rot270_lane_f16): New.
11946         (vcadd_rot90_f32): New.
11947         (vcaddq_rot90_f32): New.
11948         (vcaddq_rot90_f64): New.
11949         (vcadd_rot270_f32): New.
11950         (vcaddq_rot270_f32): New.
11951         (vcaddq_rot270_f64): New.
11952         (vcmla_f32): New.
11953         (vcmlaq_f32): New.
11954         (vcmlaq_f64): New.
11955         (vcmla_lane_f32): New.
11956         (vcmla_laneq_f32): New.
11957         (vcmlaq_lane_f32): New.
11958         (vcmlaq_laneq_f32): New.
11959         (vcmla_rot90_f32): New.
11960         (vcmlaq_rot90_f32): New.
11961         (vcmlaq_rot90_f64): New.
11962         (vcmla_rot90_lane_f32): New.
11963         (vcmla_rot90_laneq_f32): New.
11964         (vcmlaq_rot90_lane_f32): New.
11965         (vcmlaq_rot90_laneq_f32): New.
11966         (vcmla_rot180_f32): New.
11967         (vcmlaq_rot180_f32): New.
11968         (vcmlaq_rot180_f64): New.
11969         (vcmla_rot180_lane_f32): New.
11970         (vcmla_rot180_laneq_f32): New.
11971         (vcmlaq_rot180_lane_f32): New.
11972         (vcmlaq_rot180_laneq_f32): New.
11973         (vcmla_rot270_f32): New.
11974         (vcmlaq_rot270_f32): New.
11975         (vcmlaq_rot270_f64): New.
11976         (vcmla_rot270_lane_f32): New.
11977         (vcmla_rot270_laneq_f32): New.
11978         (vcmlaq_rot270_lane_f32): New.
11979         (vcmlaq_rot270_laneq_f32): New.
11980         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
11981         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
11982         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
11983         (FCADD, FCMLA): New.
11984         (rot): New.
11985         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
11987 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
11989         PR other/16615
11991         * config/pa/pa.c: Change "can not" to "cannot".
11992         * gimple-ssa-evrp-analyze.c: Likewise.
11993         * ipa-icf.c: Likewise.
11994         * ipa-polymorphic-call.c: Likewise.
11995         * ipa-pure-const.c: Likewise.
11996         * lra-constraints.c: Likewise.
11997         * lra-remat.c: Likewise.
11998         * reload1.c: Likewise.
11999         * reorg.c: Likewise.
12000         * tree-ssa-uninit.c: Likewise.
12002 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
12004         PR other/16615
12006         * Makefile.in: Mechanically replace "can not" with "cannot".
12007         * alias.c: Likewise.
12008         * builtins.c: Likewise.
12009         * calls.c: Likewise.
12010         * cgraph.c: Likewise.
12011         * cgraph.h: Likewise.
12012         * cgraphclones.c: Likewise.
12013         * cgraphunit.c: Likewise.
12014         * combine-stack-adj.c: Likewise.
12015         * combine.c: Likewise.
12016         * common/config/i386/i386-common.c: Likewise.
12017         * config/aarch64/aarch64.c: Likewise.
12018         * config/alpha/sync.md: Likewise.
12019         * config/arc/arc.c: Likewise.
12020         * config/arc/predicates.md: Likewise.
12021         * config/arm/arm-c.c: Likewise.
12022         * config/arm/arm.c: Likewise.
12023         * config/arm/arm.h: Likewise.
12024         * config/arm/arm.md: Likewise.
12025         * config/arm/cortex-r4f.md: Likewise.
12026         * config/csky/csky.c: Likewise.
12027         * config/csky/csky.h: Likewise.
12028         * config/darwin-f.c: Likewise.
12029         * config/epiphany/epiphany.md: Likewise.
12030         * config/i386/i386.c: Likewise.
12031         * config/i386/sol2.h: Likewise.
12032         * config/m68k/m68k.c: Likewise.
12033         * config/mcore/mcore.h: Likewise.
12034         * config/microblaze/microblaze.md: Likewise.
12035         * config/mips/20kc.md: Likewise.
12036         * config/mips/sb1.md: Likewise.
12037         * config/nds32/nds32.c: Likewise.
12038         * config/nds32/predicates.md: Likewise.
12039         * config/pa/pa.c: Likewise.
12040         * config/rs6000/e300c2c3.md: Likewise.
12041         * config/rs6000/rs6000.c: Likewise.
12042         * config/s390/s390.h: Likewise.
12043         * config/sh/sh.c: Likewise.
12044         * config/sh/sh.md: Likewise.
12045         * config/spu/vmx2spu.h: Likewise.
12046         * cprop.c: Likewise.
12047         * dbxout.c: Likewise.
12048         * df-scan.c: Likewise.
12049         * doc/cfg.texi: Likewise.
12050         * doc/extend.texi: Likewise.
12051         * doc/fragments.texi: Likewise.
12052         * doc/gty.texi: Likewise.
12053         * doc/invoke.texi: Likewise.
12054         * doc/lto.texi: Likewise.
12055         * doc/md.texi: Likewise.
12056         * doc/objc.texi: Likewise.
12057         * doc/rtl.texi: Likewise.
12058         * doc/tm.texi: Likewise.
12059         * dse.c: Likewise.
12060         * emit-rtl.c: Likewise.
12061         * emit-rtl.h: Likewise.
12062         * except.c: Likewise.
12063         * expmed.c: Likewise.
12064         * expr.c: Likewise.
12065         * fold-const.c: Likewise.
12066         * genautomata.c: Likewise.
12067         * gimple-fold.c: Likewise.
12068         * hard-reg-set.h: Likewise.
12069         * ifcvt.c: Likewise.
12070         * ipa-comdats.c: Likewise.
12071         * ipa-cp.c: Likewise.
12072         * ipa-devirt.c: Likewise.
12073         * ipa-fnsummary.c: Likewise.
12074         * ipa-icf.c: Likewise.
12075         * ipa-inline-transform.c: Likewise.
12076         * ipa-inline.c: Likewise.
12077         * ipa-polymorphic-call.c: Likewise.
12078         * ipa-profile.c: Likewise.
12079         * ipa-prop.c: Likewise.
12080         * ipa-pure-const.c: Likewise.
12081         * ipa-reference.c: Likewise.
12082         * ipa-split.c: Likewise.
12083         * ipa-visibility.c: Likewise.
12084         * ipa.c: Likewise.
12085         * ira-build.c: Likewise.
12086         * ira-color.c: Likewise.
12087         * ira-conflicts.c: Likewise.
12088         * ira-costs.c: Likewise.
12089         * ira-int.h: Likewise.
12090         * ira-lives.c: Likewise.
12091         * ira.c: Likewise.
12092         * ira.h: Likewise.
12093         * loop-invariant.c: Likewise.
12094         * loop-unroll.c: Likewise.
12095         * lower-subreg.c: Likewise.
12096         * lra-assigns.c: Likewise.
12097         * lra-constraints.c: Likewise.
12098         * lra-eliminations.c: Likewise.
12099         * lra-lives.c: Likewise.
12100         * lra-remat.c: Likewise.
12101         * lra-spills.c: Likewise.
12102         * lra.c: Likewise.
12103         * lto-cgraph.c: Likewise.
12104         * lto-streamer-out.c: Likewise.
12105         * postreload-gcse.c: Likewise.
12106         * predict.c: Likewise.
12107         * profile-count.h: Likewise.
12108         * profile.c: Likewise.
12109         * recog.c: Likewise.
12110         * ree.c: Likewise.
12111         * reload.c: Likewise.
12112         * reload1.c: Likewise.
12113         * reorg.c: Likewise.
12114         * resource.c: Likewise.
12115         * rtl.def: Likewise.
12116         * rtl.h: Likewise.
12117         * rtlanal.c: Likewise.
12118         * sched-deps.c: Likewise.
12119         * sched-ebb.c: Likewise.
12120         * sched-rgn.c: Likewise.
12121         * sel-sched-ir.c: Likewise.
12122         * sel-sched.c: Likewise.
12123         * shrink-wrap.c: Likewise.
12124         * simplify-rtx.c: Likewise.
12125         * symtab.c: Likewise.
12126         * target.def: Likewise.
12127         * toplev.c: Likewise.
12128         * tree-call-cdce.c: Likewise.
12129         * tree-cfg.c: Likewise.
12130         * tree-complex.c: Likewise.
12131         * tree-core.h: Likewise.
12132         * tree-eh.c: Likewise.
12133         * tree-inline.c: Likewise.
12134         * tree-loop-distribution.c: Likewise.
12135         * tree-nrv.c: Likewise.
12136         * tree-profile.c: Likewise.
12137         * tree-sra.c: Likewise.
12138         * tree-ssa-alias.c: Likewise.
12139         * tree-ssa-dce.c: Likewise.
12140         * tree-ssa-dom.c: Likewise.
12141         * tree-ssa-forwprop.c: Likewise.
12142         * tree-ssa-loop-im.c: Likewise.
12143         * tree-ssa-loop-ivcanon.c: Likewise.
12144         * tree-ssa-loop-ivopts.c: Likewise.
12145         * tree-ssa-loop-niter.c: Likewise.
12146         * tree-ssa-phionlycprop.c: Likewise.
12147         * tree-ssa-phiopt.c: Likewise.
12148         * tree-ssa-propagate.c: Likewise.
12149         * tree-ssa-threadedge.c: Likewise.
12150         * tree-ssa-threadupdate.c: Likewise.
12151         * tree-ssa-uninit.c: Likewise.
12152         * tree-ssanames.c: Likewise.
12153         * tree-streamer-out.c: Likewise.
12154         * tree.c: Likewise.
12155         * tree.h: Likewise.
12156         * vr-values.c: Likewise.
12158 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
12160         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
12161         (ix86_split_xorsign): Ditto.
12162         * config/i386/i386.c (ix86_expand_xorsign): New function.
12163         (ix86_split_xorsign): Ditto.
12164         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
12165         (xorsign<mode>3): New expander.
12166         (xorsign<mode>3_1): New insn_and_split pattern.
12167         * config/i386/sse.md (xorsign<mode>3): New expander.
12169 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12171         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
12172         (*tablejump_sp64): Likewise.
12173         (*tablejump<P:mode>): ...this.
12174         (*call_address_sp32): Merge into...
12175         (*call_address_sp64): Likewise.
12176         (*call_address<P:mode>): ...this.
12177         (*call_symbolic_sp32): Merge into...
12178         (*call_symbolic_sp64): Likewise.
12179         (*call_symbolic<P:mode>): ...this.
12180         (call_value): Remove constraint and add predicate.
12181         (*call_value_address_sp32): Merge into...
12182         (*call_value_address_sp64): Likewise.
12183         (*call_value_address<P:mode>): ...this.
12184         (*call_value_symbolic_sp32): Merge into...
12185         (*call_value_symbolic_sp64): Likewise.
12186         (*call_value_symbolic<P:mode>): ...this.
12187         (*sibcall_symbolic_sp32): Merge into...
12188         (*sibcall_symbolic_sp64): Likewise.
12189         (*sibcall_symbolic<P:mode>): ...this.
12190         (sibcall_value): Remove constraint and add predicate.
12191         (*sibcall_value_symbolic_sp32): Merge into...
12192         (*sibcall_value_symbolic_sp64): Likewise.
12193         (*sibcall_value_symbolic<P:mode>): ...this.
12194         (window_save): Minor tweak.
12195         (*branch_sp32): Merge into...
12196         (*branch_sp64): Likewise.
12197         (*branch<P:mode>): ...this.
12199 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12200             James Clarke  <jrtc27@jrtc27.com>
12202         PR target/84010
12203         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
12204         consistently in TLS address generation and adjust code to the renaming
12205         of patterns.  Mark calls to __tls_get_addr as const.
12206         * config/sparc/sparc.md (tgd_hi22): Turn into...
12207         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
12208         (tgd_lo10): Turn into...
12209         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
12210         (tgd_add32): Merge into...
12211         (tgd_add64): Likewise.
12212         (tgd_add<P:mode>): ...this and use Pmode throughout.
12213         (tldm_hi22): Turn into...
12214         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
12215         (tldm_lo10): Turn into...
12216         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
12217         (tldm_add32): Merge into...
12218         (tldm_add64): Likewise.
12219         (tldm_add<P:mode>): ...this and use Pmode throughout.
12220         (tldm_call32): Merge into...
12221         (tldm_call64): Likewise.
12222         (tldm_call<P:mode>): ...this and use Pmode throughout.
12223         (tldo_hix22): Turn into...
12224         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
12225         (tldo_lox10): Turn into...
12226         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
12227         (tldo_add32): Merge into...
12228         (tldo_add64): Likewise.
12229         (tldo_add<P:mode>): ...this and use Pmode throughout.
12230         (tie_hi22): Turn into...
12231         (tie_hi22<P:mode>): ...this and use Pmode throughout.
12232         (tie_lo10): Turn into...
12233         (tie_lo10<P:mode>): ...this and use Pmode throughout.
12234         (tie_ld64): Use DImode throughout.
12235         (tie_add32): Merge into...
12236         (tie_add64): Likewise.
12237         (tie_add<P:mode>): ...this and use Pmode throughout.
12238         (tle_hix22_sp32): Merge into...
12239         (tle_hix22_sp64): Likewise.
12240         (tle_hix22<P:mode>): ...this and use Pmode throughout.
12241         (tle_lox22_sp32): Merge into...
12242         (tle_lox22_sp64): Likewise.
12243         (tle_lox22<P:mode>): ...this and use Pmode throughout.
12244         (*tldo_ldub_sp32): Merge into...
12245         (*tldo_ldub_sp64): Likewise.
12246         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
12247         (*tldo_ldub1_sp32): Merge into...
12248         (*tldo_ldub1_sp64): Likewise.
12249         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
12250         (*tldo_ldub2_sp32): Merge into...
12251         (*tldo_ldub2_sp64): Likewise.
12252         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
12253         (*tldo_ldsb1_sp32): Merge into...
12254         (*tldo_ldsb1_sp64): Likewise.
12255         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
12256         (*tldo_ldsb2_sp32): Merge into...
12257         (*tldo_ldsb2_sp64): Likewise.
12258         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
12259         (*tldo_ldub3_sp64): Use DImode throughout.
12260         (*tldo_ldsb3_sp64): Likewise.
12261         (*tldo_lduh_sp32): Merge into...
12262         (*tldo_lduh_sp64): Likewise.
12263         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
12264         (*tldo_lduh1_sp32): Merge into...
12265         (*tldo_lduh1_sp64): Likewise.
12266         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
12267         (*tldo_ldsh1_sp32): Merge into...
12268         (*tldo_ldsh1_sp64): Likewise.
12269         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
12270         (*tldo_lduh2_sp64): Use DImode throughout.
12271         (*tldo_ldsh2_sp64): Likewise.
12272         (*tldo_lduw_sp32): Merge into...
12273         (*tldo_lduw_sp64): Likewise.
12274         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
12275         (*tldo_lduw1_sp64): Use DImode throughout.
12276         (*tldo_ldsw1_sp64): Likewise.
12277         (*tldo_ldx_sp64): Likewise.
12278         (*tldo_stb_sp32): Merge into...
12279         (*tldo_stb_sp64): Likewise.
12280         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
12281         (*tldo_sth_sp32): Merge into...
12282         (*tldo_sth_sp64): Likewise.
12283         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
12284         (*tldo_stw_sp32): Merge into...
12285         (*tldo_stw_sp64): Likewise.
12286         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
12287         (*tldo_stx_sp64): Use DImode throughout.
12289 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12291         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
12292         check configure option to set BTI and Return Address Signing.
12293         * configure.ac: Add --enable-standard-branch-protection and
12294         --disable-standard-branch-protection.
12295         * configure: Regenerated.
12296         * doc/install.texi: Document the same.
12298 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12299             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12301         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
12302         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
12303         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
12304         if bti is enabled.
12305         * config/aarch64/aarch64-bti-insert.c: New file.
12306         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
12307         pass.
12308         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
12309         new bti pass.
12310         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
12311         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
12312         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
12313         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
12315 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12317         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
12318         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
12319         Disable bti for -mbranch-protection=none.
12320         (aarch64_handle_standard_branch_protection): Enable bti for
12321         -mbranch-protection=standard.
12322         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
12323         -mbranch-protection.
12324         (aarch64_bti_enabled): Check if bti is enabled.
12325         * config/aarch64/aarch64.opt: Declare target variable.
12326         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
12328 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12330         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
12331         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
12332         (aarch64_expand_epilogue): Likewise.
12333         (aarch64_output_mi_thunk): Likewise
12334         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
12335         TAILCALL_ADDR_REGS to x16 and x17.
12336         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
12338 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12340         * config/aarch64/aarch64-option-extensions.def: Define
12341         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
12342         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
12343         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
12344         (AARCH64_FL_PREDRES): New.
12345         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
12346         AARCH64_FL_PREDRES by default.
12347         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
12349 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
12351         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
12352         ARMv8.5-A.
12353         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
12354         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
12355         * doc/invoke.texi: Document ARMv8.5-A.
12357 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
12359         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
12360         (xorsign<mode>3): Likewise.
12362 2019-01-09  Jelinek  <jakub@redhat.com>
12364         PR middle-end/88758
12365         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
12366         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
12368         PR rtl-optimization/88331
12369         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
12370         not currently_expanding_to_rtl.
12372 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
12374         * doc/invoke.texi (-Os): Remove trailing spaces.
12375         (-finline-functions): Remove reference to -O2.
12377 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
12379         PR rtl-optimization/79593
12380         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
12382         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
12383         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
12385 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
12387         PR bootstrap/88721
12388         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
12389         to -1 on entry.
12391         PR debug/88723
12392         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
12393         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
12395 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
12397         PR target/88717
12398         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
12399         ix86_avx_u128_mode_entry.
12401 2019-01-08  Martin Liska  <mliska@suse.cz>
12403         PR tree-optimization/88753
12404         * tree-switch-conversion.c (switch_conversion::build_one_array):
12405         Come up with local variable constructor.  Convert first to
12406         type of constructor values.
12408 2019-01-08  Richard Biener  <rguenther@suse.de>
12410         PR tree-optimization/86554
12411         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
12412         rpo_avail): Move earlier.
12413         (visit_nary_op): When value-numbering to expressions
12414         with different overflow behavior make sure there's an
12415         available expression on the path.
12417 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
12419         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
12420         aarch64_parse_branch_protection,
12421         struct aarch64_branch_protect_type,
12422         aarch64_handle_no_branch_protection,
12423         aarch64_handle_standard_branch_protection,
12424         aarch64_validate_mbranch_protection,
12425         aarch64_handle_pac_ret_protection,
12426         aarch64_handle_attr_branch_protection,
12427         accepted_branch_protection_string,
12428         aarch64_pac_ret_subtypes,
12429         aarch64_branch_protect_types,
12430         aarch64_handle_pac_ret_leaf): Define.
12431         (aarch64_override_options_after_change_1, aarch64_override_options):
12432         Add check for accepted_branch_protection_string.
12433         (aarch64_option_save): Save accepted_branch_protection_string.
12434         (aarch64_option_restore): Save accepted_branch_protection_string.
12435         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
12436         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
12437         msign-return-address.
12438         * doc/invoke.texi: Add mbranch-protection.
12440 2019-01-08  Alan Modra  <amodra@gmail.com>
12442         PR target/88614
12443         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
12444         Delete "unknownp" parameter.  Adjust callers.  Handle
12445         CONST_INT, PLUS, MINUS, and MULT.
12446         (attr_value_aligned): Renamed from or_attr_value.
12447         (min_attr_value): Return INT_MIN for unhandled rtl case..
12448         (min_fn): ..and translate to INT_MAX here.
12449         (write_length_unit_log): Modify to cope without "unknown".
12450         (write_attr_value): Handle IF_THEN_ELSE.
12452 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
12454         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
12455         optimization for masked stores.
12457 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
12459         PR middle-end/88567
12460         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
12461         output vector directly to duplicate_and_interleave instead of
12462         going through a temporary.  Postpone insertion of ctor_seq to
12463         the end of the loop.
12465 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
12467         PR target/86891
12468         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
12469         unsigned_p.  Handle signed and unsigned overflow correction as
12470         required.
12471         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
12472         prototype.
12473         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
12474         for operand 2.
12475         (add<mode>3_compareV_imm): Make this callable for expanding.
12476         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
12477         aarch64_plus_operand for operand 2.
12478         (subv<GPI:mode>_insn): New insn pattern.
12479         (subv<GPI:mode>_imm): Likewise.
12480         (negv<GPI:mode>3): New expand pattern.
12481         (negv<GPI:mode>_insn): New insn pattern.
12482         (negv<GPI:mode>_cmp_only): Likewise.
12483         (cmpv<GPI:mode>_insn): Likewise.
12484         (subvti4): Use register_operand for operand 1.  Update call to
12485         aarch64_expand_subvti.
12486         (usubvti4): Likewise.
12487         (negvti3): New expand pattern.
12488         (negdi_carryout): New insn pattern.
12489         (negvdi_carryinV): New insn pattern.
12490         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
12491         version the named version.
12492         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
12493         operands.
12494         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
12495         patterns.
12496         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
12497         patterns.
12498         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
12499         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
12500         (sub<mode>3_carryinCV): Delete.
12501         (sub<GPI:mode>3_carryinV): New expand pattern.
12502         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
12504 2019-01-07  Richard Biener  <rguenther@suse.de>
12506         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
12507         of tree_operand_hash.
12509 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
12511         PR tree-optimization/88598
12512         * tree.h (single_nonzero_element): Declare.
12513         * tree.c (single_nonzero_element): New function.
12514         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
12515         if I is the only nonzero element of CST.
12517 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
12519         PR tree-optimization/88598
12520         * tree.h (initializer_each_zero_or_onep): Declare.
12521         * tree.c (initializer_each_zero_or_onep): New function.
12522         (signed_or_unsigned_type_for): Handle float types too.
12523         (unsigned_type_for, signed_type_for): Update comments accordingly.
12524         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
12525         x & { 0 or -1, 0 or -1, ... }.
12527 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
12529         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
12530         with x86_64-pc-linux-gnu.
12532 2019-01-07  Tom de Vries  <tdevries@suse.de>
12534         PR target/85486
12535         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
12536         function.
12537         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
12538         routines.
12540 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
12542         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
12543         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
12544         TARGET_AVX512F as condition.
12546         PR debug/88723
12547         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
12548         const_not_ok_for_debug_p target hook.
12549         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
12550         on UNSPEC and subexpressions thereof if all subexpressions of the
12551         UNSPEC are CONSTANT_P.
12553         PR tree-optimization/88676
12554         * tree-ssa-phiopt.c (two_value_replacement): New function.
12555         (tree_ssa_phiopt_worker): Call it.
12557         PR sanitizer/88619
12558         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
12559         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
12561         PR c++/85052
12562         * tree-vect-generic.c: Include insn-config.h and recog.h.
12563         (expand_vector_piecewise): Add defaulted ret_type argument,
12564         if non-NULL, use that in preference to type for the result type.
12565         (expand_vector_parallel): Formatting fix.
12566         (do_vec_conversion, do_vec_narrowing_conversion,
12567         expand_vector_conversion): New functions.
12568         (expand_vector_operations_1): Call expand_vector_conversion
12569         for VEC_CONVERT ifn calls.
12570         * internal-fn.def (VEC_CONVERT): New internal function.
12571         * internal-fn.c (expand_VEC_CONVERT): New function.
12572         * fold-const-call.c (fold_const_vec_convert): New function.
12573         (fold_const_call): Use it for CFN_VEC_CONVERT.
12574         * doc/extend.texi (__builtin_convertvector): Document.
12576 2019-01-07  Tom de Vries  <tdevries@suse.de>
12578         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
12579         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
12580         vector_red_partition, vector_red_sym): New global variables.
12581         (nvptx_option_override): Initialize vector_red_sym.
12582         (nvptx_declare_function_name): Restore red_partition register.
12583         (nvptx_file_end): Emit code to declare the vector reduction variables.
12584         (nvptx_output_red_partition): New function.
12585         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
12586         large vector reductions.
12587         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
12588         (nvptx_init_builtins): Add VECTOR_ADDR.
12589         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
12590         Handle nvptx_expand_shared_addr.
12591         (nvptx_get_shared_red_addr): Add vector argument and handle large
12592         vectors.
12593         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
12594         large vectors.
12595         (nvptx_goacc_reduction_init): Likewise.
12596         (nvptx_goacc_reduction_fini): Likewise.
12597         (nvptx_goacc_reduction_teardown): Likewise.
12598         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
12599         init,fini,teardown}.
12600         (nvptx_init_axis_predicate): Initialize vector_red_partition.
12601         (nvptx_set_current_function): Init vector_red_partition.
12602         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
12603         (nvptx_red_partition): New insn.
12604         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
12606 2019-01-07  Tom de Vries  <tdevries@suse.de>
12608         PR target/85381
12609         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
12610         empty loops.
12612 2019-01-07  Tom de Vries  <tdevries@suse.de>
12614         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
12615         (nvptx_option_override): Init oacc_bcast_partition.
12616         (nvptx_init_oacc_workers): New function.
12617         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
12618         (nvptx_needs_shared_bcast): New function.
12619         (nvptx_find_par): Generalize to enable vectors to use shared-memory
12620         to propagate state.
12621         (nvptx_shared_propagate): Initialize vector bcast partition and
12622         synchronization state.
12623         (nvptx_single):  Generalize to enable vectors to use shared-memory
12624         to propagate state.
12625         (nvptx_process_pars): Likewise.
12626         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
12627         * config/nvptx/nvptx.h (struct machine_function): Add
12628         bcast_partition and sync_bar members.
12630 2019-01-07  Tom de Vries  <tdevries@suse.de>
12632         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
12633         (nvptx_apply_dim_limits): New function.
12634         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
12635         PTX_WARP_SIZE.
12637 2019-01-07  Tom de Vries  <tdevries@suse.de>
12639         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
12640         as late as possible.
12642 2019-01-07  Tom de Vries  <tdevries@suse.de>
12644         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
12645         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
12646         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
12647         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
12648         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
12650 2019-01-07  Tom de Vries  <tdevries@suse.de>
12652         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
12654 2019-01-07  Tom de Vries  <tdevries@suse.de>
12656         * omp-offload.c (oacc_get_min_dim): New function.
12657         * omp-offload.h (oacc_get_min_dim): Declare.
12659 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
12661         PR target/88521
12662         * config/i386/i386.c (function_value_ms_64): Return small sturct in
12663         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
12665 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12667         PR tree-opt/86020
12668         Revert:
12669         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
12671         * ipa-inline.c (edge_badness): Use inlined_time instead of
12672         inline_summaries->get.
12674 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12676         * opts.c (enable_fdo_optimizations): Enable
12677         version-loops-for-strides, loop-interchange, unrol-and-jam
12678         and tree-loop-distribution.
12679         * invoke.texi: Document newly enabled options.
12681 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12683         * doc/invoke.texi (max-inline-insns-small): New parameters.
12684         * ipa-inline.c (want_early_inline_function_p): simplify.
12685         (want_inline_small_function_p): Fix pasto from previous patch;
12686         use max-inline-insns-small bound.
12687         * params.def (max-inline-insns-small): New param.
12688         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
12689         variables correctly.
12691 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12693         * doc/invoke.texi: Document max-inline-insns-size,
12694         uninlined-function-insns, uninlined-function-time,
12695         uninlined-thunk-insns and uninlined-thunk-time.
12696         * params.def: Add max-inline-insns-size,
12697         uninlined-function-insns, uninlined-function-time,
12698         uninlined-thunk-insns and uninlined-thunk-time.
12699         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
12700         new parameters.
12701         * ipa-inline.c (can_inline_edge_by_limits_p,
12702         want_inline_small_function_p): Use new parameters.
12704 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12706         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
12708 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
12710         PR middle-end/82564
12711         PR target/88620
12712         * expr.c (expand_assignment): For calls returning VLA structures
12713         if to_rtx is not a MEM, force it into a stack temporary.
12715         PR debug/88635
12716         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
12717         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
12718         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
12719         subexpressions of both operands.
12720         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
12721         subrtxes are CONSTANT_P.
12722         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
12723         2018-11-09 changes.
12725 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
12727         * params.def (hot-bb-count-ws-permille): Set to 990.
12729 2019-01-04  Martin Sebor  <msebor@redhat.com>
12731         PR c/88546
12732         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
12733         leaf.
12735 2019-01-04  Martin Sebor  <msebor@redhat.com>
12737         PR c/88363
12738         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
12740 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
12742         * gdbinit.in: Turn off pagination for the skip commands, restore
12743         it to previous state afterwards.
12745 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
12747         PR target/88594
12748         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
12749         of GET_MODE (opN) as modes of the libcall arguments.
12751 2019-01-04  Jan Beulich  <jbeulich@suse.com>
12753         * config/i386/sse.md
12754         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
12755         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
12756         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
12757         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
12758         avx512f_vmcmp<mode>3<round_saeonly_name>,
12759         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
12760         avx512f_maskcmp<mode>3,
12761         <avx512>_cvt<ssemodesuffix>2mask<mode>,
12762         <avx512>_cvt<ssemodesuffix>2mask<mode>,
12763         *<avx512>_cvtmask2<ssemodesuffix><mode>,
12764         *<avx512>_cvtmask2<ssemodesuffix><mode>,
12765         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
12766         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
12767         <avx512>_gt<mode>3<mask_scalar_merge_name>,
12768         <avx512>_gt<mode>3<mask_scalar_merge_name>,
12769         <avx512>_testm<mode>3<mask_scalar_merge_name>,
12770         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
12771         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
12772         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
12773         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
12774         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
12775         avx512cd_maskb_vec_dup<mode>,
12776         avx512cd_maskw_vec_dup<mode>,
12777         avx512dq_fpclass<mode><mask_scalar_merge_name>,
12778         avx512dq_vmfpclass<mode>,
12779         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
12780         instead of =Yk.
12782 2019-01-03  Martin Sebor  <msebor@redhat.com>
12784         PR tree-optimization/88659
12785         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
12787 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
12789         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
12790         unaligned vsx and avoid lxvd2x/stxvd2x.
12791         (gen_lvx_v4si_move): New function.
12793 2019-01-03  Tom de Vries  <tdevries@suse.de>
12795         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
12796         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
12797         function.
12798         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
12800 2019-01-03  Tom de Vries  <tdevries@suse.de>
12802         * config/nvptx/nvptx.c (struct offload_attrs): New.
12803         (populate_offload_attrs): New function.  Factor mask extraction out of
12804         nvptx_reorg.  Add extraction of dimensions.
12805         (nvptx_reorg): Use populate_offload_attrs.
12807 2019-01-03  Tom de Vries  <tdevries@suse.de>
12809         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
12810         cases for oacc_min_dims_p and routine_p.  Add asserts for
12811         oacc_default_dims_p and offload_region_p.
12813 2019-01-03  Tom de Vries  <tdevries@suse.de>
12815         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
12816         factored out of ...
12817         (nvptx_goacc_validate_dims): ... here.
12819 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
12821         PR tree-optimization/85574
12822         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
12823         structure.
12824         (struct ssa_equip_hash_traits): Declare.
12825         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
12827 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
12829         PR debug/88644
12830         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
12831         change it to qualified_type.
12833 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
12835         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
12836         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
12838 2019-01-02  Martin Sebor  <msebor@redhat.com>
12839             Jeff Law  <law@redhat.com>
12841         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
12842         (get_range_strlen_tree): Update appropriately.
12843         (get_range_strlen)
12844         * gimple-fold.h (get_range_strlen): Drop unused last argument.
12846         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
12847         rather than set_range_info.
12848         * tree-ssa-strlen.c (set_strlen_range): Extracted from
12849         maybe_set_strlen_range.  Handle potentially boundary crossing
12850         cases more conservatively.
12851         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
12852         Call set_strlen_range.
12853         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
12855         PR middle-end/88663
12856         * gimple-fold.c (get_range_strlen): Update prototype to no longer
12857         need the flexp argument.
12858         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
12859         from calls to get_range_strlen.  Update comments.  Just update
12860         VAL for an unterminated const char array and let the reset of the
12861         code handle it normally.  No longer try to set *flexp.  Adjust
12862         return value.
12863         (get_range_strlen): Update for the new get_range_strlen API.
12864         (get_maxval_strlen): Similarly.
12865         (gimple_fold_builtin_strlen): Handle update meaning of return value
12866         from get_range_strlen.
12867         * gimple-ssa-sprintf.c (get_string_length): Update for the new
12868         get_range_strlen API.
12870 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
12872         PR lto/88130
12873         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
12874         false at WPA time when body was removed.
12876 2019-01-02  Martin Liska  <mliska@suse.cz>
12878         PR tree-optimization/88650
12879         * predict.c (set_even_probabilities): Calculate probability
12880         remainer only when really used.
12882 2019-01-02  Richard Biener  <rguenther@suse.de>
12884         PR middle-end/88651
12885         * tree-data-ref.c (analyze_subscript_affine_affine): Use
12886         widest_ints when mangling max_stmt_execution results.
12888 2019-01-02  Richard Biener  <rguenther@suse.de>
12890         PR tree-optimization/88621
12891         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
12892         bitfields when canoncalizing.
12894 2019-01-02  Richard Biener  <rguenther@suse.de>
12896         PR target/87545
12897         * config/i386/x86-tune-costs.h (intel_cost): Adjust
12898         cost of cheap SSE instruction.
12900 2019-01-02  Richard Biener  <rguenther@suse.de>
12902         PR ipa/85574
12903         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
12904         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
12905         function.
12906         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
12907         set after UIDs before splitting them.
12909 2019-01-01  Martin Sebor  <msebor@redhat.com>
12910             Jeff Law  <law@redhat.com>
12912         * gimple-fold.c (get_range_strlen_tree): Record if the computed
12913         length is optimistic.  If it is, then arrange to compute the
12914         conservative length as well.
12916         * gimple-fold.h (get_range_strlen): Update prototype.
12917         * builtins.c (check_access): Update call to get_range_strlen to use
12918         c_strlen_data pointer.   Change various variable accesses to instead
12919         pull data from the c_strlen_data structure.
12920         (check_strncat_sizes, expand_builtin_strncat): Likewise.
12921         * calls.c (maybe_warn_nonstring_arg): Likewise.
12922         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
12923         minimum length if maximum lengh is unknown.
12924         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
12925         that used c_strlen, it's no longer needed.  Restructure slightly.
12926         (format_string): Set unlikely range appropriately.
12927         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
12928         formatting issues.
12929         (get_range_strlen):  Accept c_strlen_data pointer for external
12930         call sites as well.  Pass through to call to internal get_range_strlen.
12931         Adjust minlen, maxlen and maxbound as needed.
12932         (get_maxval_strlen): Update comments.
12933         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
12934         to use c_strlen_data pointer.  Change variable accesses to instead
12935         use c_strlen_data data members.
12937         * gimple-fold.c (get_range_strlen): Update prototype.
12938         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
12939         local variables.  Use pdata to return information to caller.
12940         Update calls to get_range_strlen.  Update pdata->maxbound.
12941         (get_range_strlen -- static version): Similarly.
12942         (get_range_strlen -- extern version): Update for internal
12943         get_range_strlen API change.  Convert to external data format.
12944         (get_maxval_strlen): Similarly.
12946 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
12948         * coverage.c (get_coverage_counts): Use current_function_decl.
12949         * profile.c (read_thunk_profile): New function.
12950         (branch_prob): Add THUNK parameter.
12951         * tree-profile.c (tree_profiling): Handle thunks.
12952         * value-prof.c (init_node_map): Handle thunks.
12953         * value-prof.h (branch_prob): Upate prototype.
12954         (read_thunk_profile): Declare.
12956 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
12958         Update copyright years.
12960         * gcc.c (process_command): Update copyright notice dates.
12961         * gcov-dump.c (print_version): Ditto.
12962         * gcov.c (print_version): Ditto.
12963         * gcov-tool.c (print_version): Ditto.
12964         * gengtype.c (create_file): Ditto.
12965         * doc/cpp.texi: Bump @copying's copyright year.
12966         * doc/cppinternals.texi: Ditto.
12967         * doc/gcc.texi: Ditto.
12968         * doc/gccint.texi: Ditto.
12969         * doc/gcov.texi: Ditto.
12970         * doc/install.texi: Ditto.
12971         * doc/invoke.texi: Ditto.
12973 Copyright (C) 2019 Free Software Foundation, Inc.
12975 Copying and distribution of this file, with or without modification,
12976 are permitted in any medium without royalty provided the copyright
12977 notice and this notice are preserved.