apply unary op to both sides of (vec_cond x cst1 cst2)
[official-gcc.git] / gcc / ChangeLog
blob832ec727959966c3378f46da6e51289b0f258b08
1 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
3         * match.pd (~(vec?cst1:cst2)): New transformation.
5 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
7         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
8         ((size_t)(A /[ex] B) CMP C): New transformation.
10 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
12         * doc/md.texi: Document define_insn_and_rewrite.
13         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
14         * gensupport.c (queue_elem): Update comment.
15         (replace_operands_with_dups): New function.
16         (gen_rewrite_sequence): Likewise.
17         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
18         * read-rtl.c (apply_subst_iterator): Likewise.
19         (add_condition_to_rtx, named_rtx_p): Likewise.
20         (rtx_reader::read_rtx_operand): Likewise.
21         * config/aarch64/aarch64-sve.md
22         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
23         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
24         define_insn_and_rewrite.
25         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
26         Remove separate define_split.
28 2019-05-31  Jan Hubicka  <jh@suse.cz>
30         * tree-ssa-alias.c (type_has_components_p): New function.
31         (aliasing_component_refs_p): Use it.
33 2019-05-31  Martin Liska  <mliska@suse.cz>
35         * gdbhooks.py: Add const_tree to TreePrinter.
37 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
39         PR debug/86964
40         * common.opt (feliminate-unused-debug-symbols): Enable by default.
41         * doc/invoke.texi (Debugging Options): Document new default of
42         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
44 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
46         PR tree-optimization/90671
47         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
48         template_block used to be empty on the first call, don't use
49         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
50         seq with bb_seq and set it with set_bb_seq.
52 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
54         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
56 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
57             Michael Meissner  <meissner@linux.ibm.com>
59         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
60         (prefixed_mem_operand): Likewise.
61         (non_prefixed_mem_operand): Likewise.
62         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
63         prototype.
64         * config/rs6000/rs6000.c (print_operand_address): Handle
65         PC-relative addresses.
66         (mode_supports_prefixed_address_p): New function.
67         (rs6000_prefixed_address): New function.
68         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
69         (SYMBOL_REF_PCREL_P): Likewise.
71 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
73         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
74         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
75         (gimplify_omp_for): If worksharing loop with lastprivate conditional
76         is nested inside of parallel region, add _condtemp_ clause to both.
77         * tree-nested.c (convert_nonlocal_omp_clauses,
78         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
79         assertion failure.
80         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
81         member.
82         * omp-general.c (omp_extract_for_data): Compute it.
83         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
84         (lower_rec_input_clauses): Likewise.
85         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
86         clause is already present, just add one further one after it.
87         (lower_lastprivate_clauses): Handle cond_ptr with array type.
88         (lower_send_shared_vars): Clear _condtemp_ vars.
89         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
90         or section or taskgroup.
91         * omp-expand.c (determine_parallel_type): Disallow combining only if
92         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
93         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
94         (expand_omp_for_generic, expand_omp_for_static_nochunk,
95         expand_omp_for_static_chunk, expand_omp_for): Use
96         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
97         determine if a special set of API routines are needed and if condtemp
98         needs to be initialized, while always initialize cond_var if
99         fd->lastprivate_conditional is non-zero.
101 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
102             Michael Meissner  <meissner@linux.ibm.com>
104         * config/rs6000/constraints.md (eI): New constraint.
105         * config/rs6000/predicates.md (cint34_operand): New predicate.
106         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
107         (SIGNED_34BIT_OFFSET_P): Likewise.
108         * doc/md.texi (eI): Document constraint.
110 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
112         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
114 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
115             Michael Meissner  <meissner@linux.ibm.com>
117         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
118         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
119         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
120         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
121         (OTHER_FUTURE_MASKS): Likewise.
122         (POWERPC_MASKS): Likewise.
123         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
124         specified without -mprefixed-addr or -mcpu=future.  Error if
125         -mprefixed-addr is specified without -mcpu=future.
126         (rs6000_opt_masks): Add entry for prefixed-addr.
127         * rs6000.opt (mprefixed-addr): New option.
129 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
131         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add 
132         cfun->is_thunk check.
134 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
136         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
137         to length.
139 2019-05-30  Martin Liska  <mliska@suse.cz>
141         * gdbinit.in: Fix 'ptc' command.  Add trt
142         that prints TREE_TYPE($).
144 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
145             Alan Modra  <amodra@gmail.com>
147         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
148         calls here...
149         (rs6000_indirect_call_template_1): ...and here.
150         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
151         plt16_ha, plt16_lo, mtctr indirect calls.  Use
152         rs6000_pltseq_enum.
153         (rs6000_decl_ok_for_sibcall): New function.
154         (rs6000_function_ok_for_sibcall): Refactor.
155         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
156         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
157         when pcrel.  Reorganize.
158         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
159         * rs6000.h (rs6000_pltseq_enum): New enum.
160         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
161         (*pltseq_tocsave): Use rs6000_pltseq_enum.
162         (*pltseq_plt16_ha): Likewise.
163         (*pltseq_plt16_lo): Likewise.
164         (*pltseq_mtctr): Likewise.
165         (*pltseq_plt_pcrel): New insn.
166         (*call_local_aix): Handle @notoc calls.
167         (*call_value_local_aix): Likewise.
168         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
169         (*call_value_nonlocal_aix): Likewise.
170         (*call_indirect_pcrel): New insn.
171         (*call_value_indirect_pcrel): Likewise.
174 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
176         * config/i386/sse.md (*save_multiple<mode>): Rename from
177         save_multiple<mode>.
178         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
179         (*restore_multiple_and_return<mode>): Rename from
180         restore_multiple_and_return<mode>.
181         (*restore_multiple_leave_return<mode>): Rename from
182         restore_multiple_leave_return<mode>.
184 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
186         * config.gcc (rx-*-linux*): New target.
187         * config/rx/elf.opt: New file.
188         * config/rx/linux.h: Likewise.
189         * config/rx/t-linux: Likewise.
190         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
191         make it zero.
192         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
193         (ASM_APP_OFF): Likewise.
194         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
195         moved elsewhere.
197 2019-05-29  Jan Hubicka  <jh@suse.cz>
199         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
200         variants are pointer equivalent.
202 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
204         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
205         * config/aarch64/aarch64-sve2.md: New file.
206         (<u>avg<mode>3_floor): New pattern.
207         (<u>avg<mode>3_ceil): Likewise.
208         (*<sur>h<addsub><mode>): Likewise.
209         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
210         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
212 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
214         PR bootstrap/90543
215         * optc-save-gen.awk: In cl_optimization_print, use correct condition
216         for var_opt_string printing.  In cl_optimization_print_diff, print
217         (null) instead of invoking undefined behavior if one of the
218         var_opt_string pointers is NULL and use && instead of first || in the
219         guarding condition.  For var_target_other options, handle const char *
220         target variables similarly to const char * optimize node variables.
222 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
224         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
225         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
226         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
227         Add autib1716 and pacib1716 initialisation.
228         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
229         for autib1716 and pacib1716.
230         * config/aarch64/aarch64-protos.h (aarch64_key_type,
231         aarch64_post_cfi_startproc): Define.
232         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
233         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
234         aarch64_handle_pac_ret_protection): Set default sign key to A.
235         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
236         aarch64_expand_prologue): Add check for b-key.
237         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
238         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
239         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
240         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
241         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
242         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
243         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
244         * config/aarch64/aarch64.md (do_return): Add check for b-key.
245         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
246         pauth_hint_num_a with pauth_hint_num.
247         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
248         pauth_hint_num_a with pauth_hint_num.
249         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
250         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
251         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
252         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
253         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
254         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
255         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
256         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
257         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
258         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
259         UNSPEC_AUTIA1716 respectively.
260         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
261         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
262         * doc/invoke.texi (-mbranch-protection): Add b-key type.
263         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
264         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
266 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
268         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
269         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
270         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
271         explicit clause on combined parallel into implicit shared clause.
272         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
273         and firstprivate if the decl has one too from combined parallel to
274         the worksharing construct.
276 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
277             Michael Meissner  <meissner@linux.ibm.com>
279         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
281 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
283         * rtl.h (LABEL_REF_P): New #define.
285 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
287         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
289 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
291         * internal-fn.c: Marked mask_load_direct as vectorizable.
292         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
293         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
294         combined even if masks different with allow_slp_p param.
295         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
296         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
297         dissolve SLP-only vectorizable groups when SLP has been discarded.
298         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
299         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
300         masks.
301         (vect_build_slp_tree_1): Fixed comment typo.
302         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
303         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
304         loads for SLP only.
305         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
306         vectorizable.
307         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
309 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
311         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
312         Remove obsolete use_thunk reference.
313         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
314         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
315         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
316         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
317         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
318         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
319         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
320         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
321         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
323 2019-05-28  Nathan Sidwell  <nathan@acm.org>
325         * tree.h (IDENTIFIER_ANON_P): New.
326         (anon_aggrname_format, anon_aggname_p): Don't declare.
327         (make_anon_name): Declare.
328         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
329         (hash_tree): Likewise.
330         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
331         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
332         (anon_cnt, make_anon_name): New.
334 2019-05-28  Martin Liska  <mliska@suse.cz>
336         PR other/90315
337         * opts-global.c (decode_options): Print help for all
338         help_option_arguments.
339         * opts.c (print_help): Add new argument.
340         (common_handle_option): Remember all values into
341         help_option_arguments.
342         * opts.h (print_help): Add new argument.
344 2019-05-28  Martin Liska  <mliska@suse.cz>
346         PR ipa/90555
347         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
348         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
349         (func_checker::compare_bb): Call compare_loops.
351 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
353         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
354         on sections construct.
355         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
356         construct.
357         (lower_omp_sections): Handle lastprivate conditional.
358         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
359         lastprivate_conditional_map.
360         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
362         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
363         critical, taskgroup and section regions when looking for a region
364         with non-NULL lastprivate_conditional_map.
366 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
368         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
369         (*ix86_gen_sub3): Ditto.
370         (*ix86_gen_sub3_carry): Ditto.
371         (*ix86_gen_one_cmpl2): Ditto.
372         (*ix86_gen_andsp): Ditto.
373         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
374         (gen_and2_insn): New static function.
375         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
376         Use gen_add3_insn instead of ix86_gen_add3.
377         (ix86_expand_split_stack_prologue): Use gen_add2_insn
378         instead of ix86_gen_add3.
379         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
380         Use gen_sub3_insn instead of ix86_gen_sub3.
381         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
382         instead of ix86_gen_add3.
383         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
384         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
385         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
386         * config/i386/i386-options.c (ix86_option_override_internal):
387         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
388         ix86_gen_one_cmpl2 and ix86_gen_andsp.
390 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
392         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
393         and DW_OP_GNU_const_index opcodes.
395 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
397         * config/i386/i386.h (STACK_SIZE_MODE): Define.
399 2019-05-27  Richard Biener  <rguenther@suse.de>
401         PR tree-optimization/90637
402         * tree-ssa-sink.c (statement_sink_location): Honor the
403         computed sink location for single-uses.
405 2019-05-27  Richard Biener  <rguenther@suse.de>
407         PR middle-end/90610
408         * match.pd (vec_perm): Avoid clobbering op0 when not generating
409         a bit-insert.
411 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
413         * config/i386/i386.md (@sub<mode>3_carry): Rename
414         from sub<mode>3_carry.
415         (@leave_<mode>): New expander.
416         (*leave): Rename from leave.
417         (*leave_rex64): Rename from leave_rex64.
418         (@monitorx_<mode>): Rename from monitorx_<mode>.
419         (@clzero_<mode>): Rename from clzero_<mode>.
420         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
421         from sse3_monitor_<mode>.
422         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
423         (*ix86_gen_leave): Ditto.
424         (*ix86_gen_monitor): Ditto.
425         (*ix86_gen_monitorx): Ditto.
426         (*ix86_gen_clzero): Ditto.
427         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
428         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
429         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
430         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
431         Use gen_sse3_monitor instead of ix86_gen_monitor.
432         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
433         instead of ix86_gen_monitorx.
434         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
435         instead of ix86_gen_clzero.
436         * config/i386/i386-options.c (ix86_option_override_internal):
437         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
438         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
440 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
442         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
443         Rename from tls_global_dynamic_64_<mode>.
444         (@tls_local_dynamic_base_64_<mode>): Rename from
445         tls_local_dynamic_base_64_<mode>.
446         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
447         Remove indirect function.
448         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
449         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
450         instead of ix86_gen_tls_global_dynamic_64.
451         Use gen_tls_local_dynamic_base_64 instead of
452         ix86_gen_tls_local_dynamic_base_64.
453         * config/i386/i386-options.c (ix86_option_override_internal):
454         Do not initialize ix86_gen_tls_global_dynamic_64 and
455         ix86_gen_tls_local_dynamic_base_64.
457 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
459         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
460         Rename from pro_epilogue_adjust_stack_<mode>_add.
461         (@pro_epilogue_adjust_stack_sub_<mode>)
462         Rename from pro_epilogue_adjust_stack_<mode>_sub.
463         (@allocate_stack_worker_probe_<mode>):
464         Rename from allocate_stack_worker_probe_<mode>.
465         (allocate_stack): Use gen_allocate_stack_worker_probe.
466         (probe_stack): Use gen_probe_stack_1.
467         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
468         (@adjust_stack_and_probe_<mode>): Rename from
469         adjust_stack_and_probe<mode>.
470         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
471         (stack_protect_set): Use gen_stack_protect_set_1.
472         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
473         (stack_protect_test): Use gen_stack_protect_test_1.
474         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
475         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
476         Remove indirect function.
477         (*ix86_gen_adjust_stack_and_probe): Ditto.
478         (*ix86_gen_probe_stack_range): Ditto.
479         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
480         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
481         (ix86_adjust_stack_and_probe_stack_clash): Use
482         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
483         (ix86_adjust_stack_and_probe): Ditto.
484         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
485         of ix86_gen_probe_stack_range.
486         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
487         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
488         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
489         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
490         CODE_FOR_stack_protect_test_{si,di}.
491         * config/i386/i386-options.c (ix86_option_override_internal):
492         Do not initialize ix86_gen_allocate_stack_worker,
493         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
495 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
497         * doc/invoke.texi (Link Options): Many editorial changes around
498         -flinker-output.
500 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
502         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
503         pre-Solaris 11 referene and most Studio compiler details.
505 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
507         PR target/90530
508         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
509         DImode to SImode in floating-point registers on 64-bit target.
510         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
511         register_operand in xmpyu patterns.
513 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
515         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
516         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
517         OMP_CLAUSE__REDUCTEMP_.
518         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
519         OMP_CLAUSE__CONDTEMP_.
520         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
521         * tree-pretty-print.c (dump_omp_clause): Likewise.
522         * tree-nested.c (convert_nonlocal_omp_clauses,
523         convert_local_omp_clauses): Likewise.
524         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
525         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
526         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
527         on OMP_FOR.
528         (gimplify_omp_for): Warn and disable conditional modifier from
529         lastprivate on loop iterators.
530         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
531         member.
532         * omp-general.c (omp_extract_for_data): Initialize it.
533         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
534         member.
535         (delete_omp_context): Delete it.
536         (lower_lastprivate_conditional_clauses): New function.
537         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
538         handle lastprivate conditional clauses.
539         (lower_reduction_clauses): Add CLIST argument, emit it into
540         the critical section if any.
541         (lower_omp_sections): Adjust lower_lastprivate_clauses and
542         lower_reduction_clauses callers.
543         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
544         to lower_lastprivate_clauses.
545         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
546         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
547         clist into a critical section if not emitted there already by
548         lower_reduction_clauses.
549         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
550         callers.
551         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
552         conditional variables.
553         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
554         clause is present.
555         (expand_omp_for_generic, expand_omp_for_static_nochunk,
556         expand_omp_for_static_chunk): Handle lastprivate conditional.
557         (expand_omp_for): Handle fd.lastprivate_conditional like
558         fd.have_reductemp.
560 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
562         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
563         kernel does not exit cleanly.
564         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
566 2019-05-24  Jason Merrill  <jason@redhat.com>
568         Revert:
569         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
571 2019-05-24  Richard Biener  <rguenther@suse.de>
573         PR testsuite/90607
574         * tree-loop-distribution.c (struct partition): Add location
575         member.
576         (partition_alloc): Initialize all fields.
577         (generate_memset_builtin): Use the location recorded in the
578         partition for the generated call.
579         (generate_memcpy_builtin): Likewise.
580         (classify_partition): Record the location of a single store
581         as location for the partition.
583 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
585         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
586         for lo-part.
588 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
590         PR target/90588
591         * common/config/aarch64/aarch64-common.c
592         (aarch64_rewrite_selected_cpu): Change local temporary variable
593         type from unsigned long to uint64_t.
594         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
595         aarch64_get_extension_string_for_isa_flags): Change declaration to
596         match new definition by replacing unsigned long with uint64_t.
598 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
600         PR target/90568
601         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
602         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
603         Handle stack_protect_test_<mode> codegen similarly to corresponding
604         sub instruction.
606 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
608        * config/i386/darwin.h: Reject -mfentry*.
609        * doc/sourcebuild.texi: Document mfentry target support.
611 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
613         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
614         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
615         false for PC-relative functions.
616         (rs6000_output_function_prologue): Change called function name to
617         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
618         name,1" for PC-relative functions.
619         (rs6000_elf_declare_function_name): Change called function name to
620         rs6000_global_entry_point_prologue_needed_p.
622 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
624         PR target/90552
625         * config/i386/i386.c (gen_rtx_cost):
626         Use ix86_tune_cost instead of ix86_cost.
628 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
629             Michael Meissner  <meissner@linux.ibm.com>
630             Segher Boessenkool  <segher@kernel.crashing.org>
632         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
633         OPTION_MASK_PCREL.
634         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
635         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
636         (rs6000_fndecl_pcrel_p): Likewise.
637         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
638         error if -mpcrel is requested without -mcpu=future.
639         (rs6000_opt_masks): Add entry for pcrel.
640         (rs6000_fndecl_pcrel_p): New function.
641         (rs6000_pcrel_p): Likewise.
642         * config/rs6000/rs6000.opt (mpcrel): New option.
643         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
645 2019-05-23  Jan Hubicka  <jh@suse.cz>
646             Martin Liska  <mliska@suse.cz>
648         PR tree-optimization/90576
649         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
650         poly_int_tree_p.
651         (aliasing_component_refs_p): Fix three way size compare conditional;
652         give up earlier in case we can not decide on equivalence.
654 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
655             Michael Meissner  <meissner@linux.ibm.com>
656             Segher Boessenkool  <segher@kernel.crashing.org>
658         * config.gcc: Add future cpu.
659         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
660         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
661         #define.
662         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
663         (RS6000_CPU): New instantiation for future cpu.
664         * config/rs6000/rs6000-opts.h (enum processor_type): Add
665         PROCESSOR_FUTURE.
666         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
667         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
668         * config/rs6000/rs6000-tables.opt: Regenerate.
669         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
670         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
671         (rs6000_machine_from_flags): Handle future cpu.
672         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
673         PROCESSOR_POWER9 for now.
674         (rs6000_adjust_cost): Likewise.
675         (rs6000_issue_rate): Likewise.
676         (rs6000_register_move_cost): Likewise.
677         (rs6000_opt_masks): Add entry for future.
678         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
679         (MASK_FUTURE): New #define.
680         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
681         * config/rs6000/rs6000.opt (mfuture): New target option.
682         * doc/invoke.texi (mcpu): Add future cpu.
684 2019-05-23  Martin Liska  <mliska@suse.cz>
686         PR c++/90587
687         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
688         operation points to a temporary (pointed via tree_to_wide_ref)
689         that is out of scope after the &.
691 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
693         PR c++/90592
694         * doc/extend.texi (Function Names): Add missing word.
696 2019-05-23  Richard Biener  <rguenther@suse.de>
698         PR tree-optimization/88440
699         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
700         at -O[2s]+.
701         * tree-loop-distribution.c (generate_memset_builtin): Fold the
702         generated call.
703         (generate_memcpy_builtin): Likewise.
704         (distribute_loop): Pass in whether to only distribute patterns.
705         (prepare_perfect_loop_nest): Also allow size optimization.
706         (pass_loop_distribution::execute): When optimizing a loop
707         nest for size allow pattern replacement.
709 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
711         PR target/90568
712         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
713         of xor.
715 2019-05-23  Martin Liska  <mliska@suse.cz>
717         PR sanitizer/90570
718         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
719         expression similarly to gimplify_decl_expr.
721 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
723         * cse.c (cse_dump_path): s/dump_file/f.
725 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
727         PR c++/90462
728         * diagnostic-format-json.cc: Include "selftest.h".
729         (json_from_expanded_location): Only add "file" key for non-NULL
730         file strings.
731         (json_from_location_range): Don't add "start" and "finish"
732         children if they are UNKNOWN_LOCATION.
733         (selftest::test_unknown_location): New selftest.
734         (selftest::test_bad_endpoints): New selftest.
735         (selftest::diagnostic_format_json_cc_tests): New function.
736         * json.cc (json::object::get): New function.
737         (selftest::test_object_get): New selftest.
738         (selftest::json_cc_tests): Call it.
739         * json.h (json::object::get): New decl.
740         * selftest-run-tests.c (selftest::run_tests): Call
741         selftest::diagnostic_format_json_cc_tests.
742         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
743         decl.
745 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
746             Andrew Stubbs  <amd@codesourcery.com>
748         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
749         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
750         (kernel): Rename to...
751         (main_kernel): ... this.
752         (load_image): Load _init_array and _fini_array kernels.
753         (run): Add argument for kernel to run.
754         (main): Run init_array_kernel before main_kernel, and
755         fini_array_kernel after.
756         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
757         amdgpu_hsa_kernel attribute on functions.
758         (gcn_disable_constructors): Delete.
759         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
760         * config/gcn/crt0.c (size_t): Define.
761         (_init_array, _fini_array): New.
762         (__preinit_array_start, __preinit_array_end,
763         __init_array_start, __init_array_end,
764         __fini_array_start, __fini_array_end): Declare weak references.
766 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
768         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
770 2019-05-22  Jason Merrill  <jason@redhat.com>
772         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
774 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
776         PR target/88483
777         * config/i386/i386-options.c (ix86_init_machine_status): Set
778         stack_frame_required to true.
779         * config/i386/i386.c (ix86_get_frame_size): New function.
780         (ix86_frame_pointer_required): Replace get_frame_size with
781         ix86_get_frame_size.
782         (ix86_compute_frame_layout): Likewise.
783         (ix86_find_max_used_stack_alignment): Changed to void.  Set
784         stack_frame_required.
785         (ix86_finalize_stack_frame_flags): Always call
786         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
787         ix86_get_frame_size.
788         * config/i386/i386.h (machine_function): Add stack_frame_required.
790 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
792         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
794 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
796         * common/config/aarch64/aarch64-common.c
797         (struct aarch64_option_extension, struct processor_name_to_arch,
798         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
799         aarch64_contains_opt,
800         aarch64_get_extension_string_for_isa_flags): Change type of
801         variables storing flags to uint64_t.
802         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
803         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
804         * config/aarch64/aarch64.c (struct processor,
805         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
806         aarch64_validate_march, aarch64_override_options,
807         aarch64_option_print, aarch64_handle_attr_isa_flags,
808         aarch64_declare_function_name, aarch64_start_file): Make flag
809         variables uint64_t.
810         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
811         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
812         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
813         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
814         * config/aarch64/driver-aarch64.c
815         (struct aarch64_arch_extension, struct aarch64_core_data,
816         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
817         flag variables uint64_t.
818         * doc/invoke.texi: Add documentation for new arguments.
820 2019-05-22  Richard Biener  <rguenther@suse.de>
822         * alias.c (ao_ref_from_mem): Move stack-slot sharing
823         rewrite ...
824         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
826 2019-05-22  Martin Liska  <mliska@suse.cz>
828         PR lto/90500
829         * doc/extend.texi: Document the change.
831 2019-05-22  Richard Biener  <rguenther@suse.de>
833         PR tree-optimization/90450
834         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
835         (mem_ref_hasher::equal): Check it.
836         (mem_ref_alloc): Initialize it.
837         (gather_mem_refs_stmt): Set it.
839 2019-05-22  Richard Biener  <rguenther@suse.de>
841         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
842         Add ABS_EXPR.
843         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
844         as ABSU_EXPR.
846 2019-05-22  Alan Modra  <amodra@gmail.com>
848         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
849         (ASM_CPU_SPEC): Conditionally add -many.
850         * config/rs6000/rs6000.c (rs6000_machine): New static var.
851         (rs6000_machine_from_flags, emit_asm_machine): New functions..
852         (rs6000_file_start): ..extracted from here, and modified to
853         test all ISA bits.
854         (rs6000_output_function_prologue): Emit .machine as necessary.
855         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
856         power mnemonics.
857         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
858         added by check_vect_support_and_set_flags.
859         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
860         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
862 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
864         PR middle-end/90553
865         * ira-lives.c (process_bb_node_lives): Consider defs
866         for a call insn to be die before the call, not after.
868         * function.c (assign_parm_setup_block): Raise alignment of
869         stacked parameter only for STRICT_ALIGNMENT targets.
871 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
873         * config/rs6000/constraints.md (define_register_constraint "wz"):
874         Delete.
875         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
876         RS6000_CONSTRAINT_wz.
877         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
878         (rs6000_init_hard_regno_mode_ok): Adjust.
879         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
880         * doc/md.texi (Machine Constraints): Adjust.
882 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
884         * config/rs6000/constraints.md (define_register_constraint "wl"):
885         Delete.
886         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
887         RS6000_CONSTRAINT_wl.
888         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
889         (rs6000_init_hard_regno_mode_ok): Adjust.
890         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
891         * doc/md.texi (Machine Constraints): Adjust.
893 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
895         * config/rs6000/constraints.md (define_register_constraint "wm"):
896         Delete.
897         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
898         RS6000_CONSTRAINT_wm.
899         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
900         (rs6000_init_hard_regno_mode_ok): Adjust.
901         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
902         * doc/md.texi (Machine Constraints): Adjust.
904 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
906         * config/rs6000/constraints.md (define_register_constraint "wk"):
907         Delete.
908         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
909         RS6000_CONSTRAINT_wk.
910         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
911         (rs6000_init_hard_regno_mode_ok): Adjust.
912         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
913         * doc/md.texi (Machine Constraints): Adjust.
915 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
917         * config/rs6000/constraints.md (define_register_constraint "wj"):
918         Delete.
919         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
920         RS6000_CONSTRAINT_wj.
921         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
922         (rs6000_init_hard_regno_mode_ok): Adjust.
923         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
924         (VS_64dm): Delete.
925         * config/rs6000/vsx.md: Ditto.
926         * doc/md.texi (Machine Constraints): Adjust.
928 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
930         * config/rs6000/constraints.md (define_register_constraint "wh"):
931         Delete.
932         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
933         RS6000_CONSTRAINT_wh.
934         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
935         (rs6000_init_hard_regno_mode_ok): Adjust.
936         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
937         * doc/md.texi (Machine Constraints): Adjust.
939 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
941         PR target/90547
942         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
943         Avoid calling gen_lowpart with CONST operand.
945 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
947         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
948         field template_last_to_copy.
949         (ssa_create_duplicates): Set it, and use it.  Attempt to
950         preserve more debug stmts.
952 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
954         * config/i386/sse.md (VF1_AVX2): New mode iterator.
955         (signbit<mode>2): New expander
957 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
959         PR bootstrap/87338
960         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
961         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
963 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
965         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
966         %ebx and %ecx bafore calling cpuid with leaf 1 or
967         non-constant leaf argument.
969 2019-05-21  Alan Modra  <amodra@gmail.com>
971         PR target/90545
972         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
973         power9 direct move cost.
974         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
975         Correct comments and rename functions to suit parameters.
977 2019-05-21  Richard Biener  <rguenther@suse.de>
979         PR middle-end/90510
980         * fold-const.c (fold_read_from_vector): New function.
981         * fold-const.h (fold_read_from_vector): Declare.
982         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
983         single-element insert permutations.  Canonicalize selector
984         further and fix issue with last commit.
986 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
988         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
989         parameter with default value false to declaration.
990         (split_edges_for_insertion): New inline function.  Wrapper for
991         split_critical_edges with for_edge_insertion_p = true.
992         * tree-cfg.c (split_critical_edges): Don't split non-critical
993         edges if for_edge_insertion_p is false.  Fix whitespace.
994         * tree-ssa-pre.c (pass_pre::execute): Call
995         split_edges_for_insertion instead of split_critical_edges.
996         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
997         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
998         (pass_data_sink_code): Update function name in the comment.
1000 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1002         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1003         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1004         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1005         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1006         positives.
1008 2019-05-21  Martin Liska  <mliska@suse.cz>
1010         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1011         an extra newline.
1012         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1013         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1014         vec_lvsr.
1015         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1016         Quote a C type.
1017         (rs6000_function_arg): Likewise.
1018         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1019         (rs6000_expand_ternop_builtin): Use interval syntax.
1020         (get_element_number): Likewise.
1021         (altivec_expand_builtin): Likewise.
1022         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1024 Fix test-suite.
1026 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1028         PR c++/59813
1029         PR target/90418
1030         * function.h (struct function): Add calls_eh_return member.
1031         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1032         gimplifying __builtin_eh_return call.
1033         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1034         to cfun.
1035         (expand_call_inline): Or in src_cfun->calls_eh_return into
1036         dst_cfun->calls_eh_return.
1037         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1038         cfun->calls_eh_return.
1039         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1040         * lto-streamer-out.c (output_struct_function_base): Write
1041         calls_eh_return.
1043 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1045         PR rtl-optimization/43147
1046         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1047         IX86_BUILTIN_SHUFPD.
1049 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1051         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1052         (refs_may_alias_p_1): ... here; update stats.
1053         (refs_may_alias_p): Do not update stats here.
1055 2019-05-20  Richard Biener  <rguenther@suse.de>
1057         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1058         doesn't produce pointers.
1059         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1060         the first operand points to.
1062 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1064         * tree-ssa-alias.c (compare_sizes): New function.
1065         (sompare_type_sizes): New function
1066         (aliasing_component_refs_p): Use it.
1067         (indirect_ref_may_alias_decl_p): Likewise.
1069 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1071         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1073 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1075         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1076         (LIBLSAN_EARLY_SPEC): Likewise.
1077         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1079 2019-05-20  Martin Liska  <mliska@suse.cz>
1081         * config/i386/i386.c (ix86_libc_has_fast_function):
1082         Add ATTRIBUTE_UNUSED for the argument.
1084 2019-05-20  Richard Biener  <rguenther@suse.de>
1086         * gimple-match-head.c: Include vec-perm-indices.h.
1087         * generic-match-head.c: Likewise.
1088         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1089         is included.
1090         * fold-const.c (fold_vec_perm): Export.
1091         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1092         (match.pd): ...here.
1094 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1096         * cfgloop.h (struct loop): Add simdlen member.
1097         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1098         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1099         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1100         as new argument to autovectorize_vector_sizes target hook.  If
1101         loop->simdlen, pick up vector size where the vectorization factor
1102         is equal to loop->simd, and if there is none, fall back to the first
1103         successful one.
1104         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1105         caller.
1106         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1107         * omp-general.c (omp_max_vf): Likewise.
1108         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1109         * tree-vect-slp.c (vect_slp_bb): Likewise.
1110         * target.def (autovectorize_vector_sizes): Add ALL argument and
1111         document it.
1112         * doc/tm.texi: Adjust documentation.
1113         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1114         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1115         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1116         bool argument.
1117         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1118         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1119         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1120         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1121         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1122         preferred vector size is not 512-bit or 256-bit, just put those
1123         unpreferred ones last.
1125 2019-05-20  Martin Liska  <mliska@suse.cz>
1127         * targhooks.c (default_libc_has_fast_function): New function.
1128         * targhooks.h (default_libc_has_fast_function): Likewise.
1130 2019-05-20  Martin Liska  <mliska@suse.cz>
1132         PR middle-end/90263
1133         * builtins.c (expand_builtin_memory_copy_args): When having a
1134         target with fast mempcpy implementation do now use memcpy.
1135         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1136         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1137         * doc/tm.texi: Likewise.
1138         * doc/tm.texi.in: Likewise.
1139         * target.def:
1140         * expr.c (emit_block_move_hints): Add 2 new arguments.
1141         * expr.h (emit_block_move_hints): Bail out when libcall
1142         to memcpy would be used.
1144 2019-05-20  Martin Liska  <mliska@suse.cz>
1146         * profile-count.c: Add vertical spacing in order
1147         to separate functions.
1148         * profile-count.h: Likewise.
1150 2019-05-20  Martin Liska  <mliska@suse.cz>
1152         * profile-count.h: Do not use full qualified
1153         names if possible.
1154         * profile-count.c (profile_count::to_frequency): Likewise.
1156 2019-05-20  Martin Liska  <mliska@suse.cz>
1158         * profile-count.h (enum profile_quality): Use capital letters
1159         for enum value names.  Use the adjusted names.
1160         * profile-count.c: Use the adjusted names.
1162 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1164         * config/rs6000/constraints.md (define_register_constraint "wH"):
1165         Delete.
1166         (define_register_constraint "wI"): Delete.
1167         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1168         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1169         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1170         (rs6000_init_hard_regno_mode_ok): Adjust.
1171         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1172         resp. "d", or with "wa" as appropriate, all with "p8v".
1173         * config/rs6000/vsx.md: Ditto.
1174         * doc/md.texi (Machine Constraints): Adjust.
1176 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1178         * config/rs6000/constraints.md (define_register_constraint "wy"):
1179         Delete.
1180         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1181         RS6000_CONSTRAINT_wy.
1182         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1183         (rs6000_init_hard_regno_mode_ok): Adjust.
1184         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1185         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1186         (define_mode_attr Fisa): New.
1187         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1188         * doc/md.texi (Machine Constraints): Adjust.
1190 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1192         * config/rs6000/constraints.md (define_register_constraint "wu"):
1193         Delete.
1194         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1195         RS6000_CONSTRAINT_wu.
1196         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1197         (rs6000_init_hard_regno_mode_ok): Adjust.
1198         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1199         both with "p8v".
1200         (define_mode_attr Fa): Delete.
1201         * config/rs6000/vsx.md: Ditto.
1202         * doc/md.texi (Machine Constraints): Adjust.
1204 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1206         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1207         Delete.
1208         (define_register_constraint "wK"): Delete.
1209         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1210         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1211         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1212         (rs6000_init_hard_regno_mode_ok): Adjust.
1213         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1214         Replace "wK" constraint by "wH" with "p9v".
1215         * config/rs6000/vsx.md: Ditto.
1216         * doc/md.texi (Machine Constraints): Adjust.
1218 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1220         * config/rs6000/constraints.md (define_register_constraint "wb"):
1221         Delete.
1222         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1223         RS6000_CONSTRAINT_wb.
1224         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1225         (rs6000_init_hard_regno_mode_ok): Adjust.
1226         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1227         * config/rs6000/vsx.md: Ditto.
1228         * doc/md.texi (Machine Constraints): Adjust.
1230 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1232         * config/rs6000/constraints.md (define_register_constraint "wo"):
1233         Delete.
1234         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1235         RS6000_CONSTRAINT_wo.
1236         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1237         (rs6000_init_hard_regno_mode_ok): Adjust.
1238         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1239         * config/rs6000/altivec.md: Ditto.
1240         * doc/md.texi (Machine Constraints): Adjust.
1242 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1244         * config/darwin-c.c (darwin_register_objc_includes): Do not
1245         prepend the sysroot when building gnu-runtime header search
1246         paths.
1248 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1250         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1251         instead of direct output of the asm.
1253 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1255         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1256         argument to be type bool (was int before).
1257         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1258         at first use.  Use type bool for some variables.  Fix a theoretical
1259         eh_return bug for svr4.
1261 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1263         * config/rs6000/rs6000.md (isa): New attribute.
1264         (enabled): New attribute.
1266 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1268         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1269         assemble_start_function and assemble_end_function.
1271 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1273         PR middle-end/89433
1274         * omp-general.c (oacc_verify_routine_clauses): Change formal
1275         parameters.  Add checking if already marked with an OpenACC
1276         'routine' directive.  Adjust all users.
1278         PR middle-end/89433
1279         * omp-general.c (oacc_build_routine_dims): Move some of its
1280         processing into...
1281         (oacc_verify_routine_clauses): ... this new function.
1282         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1284 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1286         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1287         formating of picbase labels to match other ports.
1289 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1291         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1292         in the generated code.
1294 2019-05-16  Martin Sebor  <msebor@redhat.com>
1296         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1297         identifiers, keywords, operators, and types in diagnostics.  Correct
1298         quoting, spelling, and sentence capitalization issues.
1299         (expand_builtin_atomic_is_lock_free): Same.
1300         (fold_builtin_next_arg): Same.
1301         * cfgexpand.c (expand_one_var): Same.
1302         (tree_conflicts_with_clobbers_p): Same.
1303         (expand_asm_stmt): Same.
1304         (verify_loop_structure): Same.
1305         * cgraphunit.c (process_function_and_variable_attributes): Same.
1306         * collect-utils.c (collect_execute): Same.
1307         * collect2.c (maybe_run_lto_and_relink): Same.
1308         (is_lto_object_file): Same.
1309         (scan_prog_file): Same.
1310         * convert.c (convert_to_real_1): Same.
1311         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1312         * except.c (verify_eh_tree): Same.
1313         * gcc.c (execute): Same.
1314         (eval_spec_function): Same.
1315         (run_attempt): Same.
1316         (driver::set_up_specs): Same.
1317         (compare_debug_auxbase_opt_spec_function): Same.
1318         * gcov-tool.c (unlink_gcda_file): Same.
1319         (do_merge): Same.
1320         (do_rewrite): Same.
1321         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1322         * gimplify.c (gimplify_asm_expr): Same.
1323         (gimplify_adjust_omp_clauses): Same.
1324         * hsa-gen.c (gen_hsa_addr_insns): Same.
1325         (gen_hsa_insns_for_load): Same.
1326         (gen_hsa_cmp_insn_from_gimple): Same.
1327         (gen_hsa_insns_for_operation_assignment): Same.
1328         (gen_get_level): Same.
1329         (gen_hsa_alloca): Same.
1330         (omp_simple_builtin::generate): Same.
1331         (gen_hsa_atomic_for_builtin): Same.
1332         (gen_hsa_insns_for_call): Same.
1333         * input.c (dump_location_info): Same.
1334         * ipa-devirt.c (compare_virtual_tables): Same.
1335         * ira.c (ira_setup_eliminable_regset): Same.
1336         * lra-assigns.c (lra_assign): Same.
1337         * lra-constraints.c (lra_constraints): Same.
1338         * lto-streamer-in.c (lto_input_mode_table): Same.
1339         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1340         (merge_and_complain): Same.
1341         (compile_offload_image): Same.
1342         (compile_images_for_offload_targets): Same.
1343         (debug_objcopy): Same.
1344         (run_gcc): Same.
1345         (main): Same.
1346         * opts.c (print_specific_help): Same.
1347         (parse_no_sanitize_attribute): Same.
1348         (print_help): Same.
1349         (handle_param): Same.
1350         * plugin.c (add_new_plugin): Same.
1351         (parse_plugin_arg_opt): Same.
1352         (try_init_one_plugin): Same.
1353         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1354         operators, and types in diagnostics.  Correct quoting and spelling
1355         issues.
1356         * read-rtl-function.c (parse_edge_flag_token): Same.
1357         (function_reader::parse_enum_value): Same.
1358         * reg-stack.c (check_asm_stack_operands): Same.
1359         * regcprop.c (validate_value_data): Same.
1360         * sched-rgn.c (make_pass_sched_fusion): Same.
1361         * stmt.c (check_unique_operand_names): Same.
1362         * targhooks.c (default_target_option_pragma_parse): Same.
1363         * tlink.c (recompile_files): Same.
1364         * toplev.c (process_options): Same.
1365         (do_compile): Same.
1366         * trans-mem.c (diagnose_tm_1): Same.
1367         (ipa_tm_scan_irr_block): Same.
1368         (ipa_tm_diagnose_transaction): Same.
1369         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1370         format a tree code name in a diagnostic.
1371         (verify_types_in_gimple_min_lval): Same.
1372         (verify_types_in_gimple_reference): Same.
1373         (verify_gimple_call): Same.
1374         (verify_gimple_assign_unary): Same.
1375         (verify_gimple_assign_binary): Same.
1376         (verify_gimple_assign_ternary): Same.
1377         (verify_gimple_assign_single): Same.
1378         (verify_gimple_switch): Same.
1379         (verify_gimple_label): Same.
1380         (verify_gimple_phi): Same.
1381         (verify_gimple_in_seq): Same.
1382         (verify_eh_throw_stmt_node): Same.
1383         (collect_subblocks): Same.
1384         (gimple_verify_flow_info): Same.
1385         (do_warn_unused_result): Same.
1386         * tree-inline.c (expand_call_inline): Same.
1387         * tree-into-ssa.c (update_ssa): Same.
1388         * tree.c (tree_int_cst_elt_check_failed): Same.
1389         (tree_vec_elt_check_failed): Same.
1390         (omp_clause_operand_check_failed): Same.
1391         (verify_type_variant): Same.
1392         (verify_type): Same.
1393         * value-prof.c (verify_histograms): Same.
1394         * varasm.c (assemble_start_function): Same.
1396 2019-05-16  Martin Sebor  <msebor@redhat.com>
1398         * config/i386/i386-expand.c (get_element_number): Quote keywords
1399         and other internal names in diagnostics.  Adjust other diagnostic
1400         formatting issues noted by -Wformat-diag.
1401         * config/i386/i386-features.c
1402         (ix86_mangle_function_version_assembler_name): Same.
1403         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1404         * config/i386/i386.c (ix86_function_type_abi): Same.
1405         (ix86_function_ms_hook_prologue): Same.
1406         (classify_argument): Same.
1407         (ix86_expand_prologue): Same.
1408         (ix86_md_asm_adjust): Same.
1409         (ix86_memmodel_check): Same.
1411 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1413         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1414         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1415         and fpxx modes.
1417 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1419         PR target/90497
1420         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1421         intrinsics without SSE/SSE2/SSSE3.
1422         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1423         check.
1424         (*mmx_uavgv8qi3): Likewise.
1426 2019-05-17  Richard Biener  <rguenther@suse.de>
1428         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1429         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1431 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1433         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1434         vec_sldw insn pattern.
1436 2019-05-17  Richard Biener  <rguenther@suse.de>
1438         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1440 2019-05-17  Martin Liska  <mliska@suse.cz>
1442         PR driver/90496
1443         * toplev.c (output_stack_usage): With LTO and sanitizer it
1444         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1445         has no file location.
1447 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1449         PR c++/90484
1450         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1451         sz0 is equal to sz1, instead return false in that case.
1453         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1454         has non-constant expression, force sctx.lane and use two
1455         argument IFN_GOMP_SIMD_LANE instead of single argument.
1456         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1457         two argument IFN_GOMP_SIMD_LANE without lhs.
1458         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1459         member.
1460         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1461         Define.
1462         (LOOP_REQUIRES_VERSIONING): Or in
1463         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1464         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1465         simd_if_cond.
1466         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1467         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1468         from simd if clause if needed.
1470 2019-05-16  Richard Biener  <rguenther@suse.de>
1472         * tree-affine.c (expr_to_aff_combination): New function split
1473         out from...
1474         (tree_to_aff_combination): ... here.
1475         (aff_combination_expand): Avoid building a GENERIC tree.
1477 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1479         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1480         assemble_start_function and assemble_end_function calls.
1481         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1482         assemble_start_function and assemble_end_function.
1483         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1484         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1485         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1486         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1487         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1488         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1489         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1490         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1491         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1492         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1493         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1494         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1495         Likewise.
1496         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1497         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1498         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1499         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1500         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1501         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1502         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1503         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1504         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1505         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1506         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1507         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1508         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1509         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1510         Likewise.
1511         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1512         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1513         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1515 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1517         * tree-ssa-alias.c (alias_stats): Add
1518         aliasing_component_refs_p_may_alias and
1519         aliasing_component_refs_p_no_alias.
1520         (dump_alias_stats): Print aliasing_component_refs_p stats.
1521         (aliasing_component_refs_p): Update stats.
1523 2019-05-16  Martin Liska  <mliska@suse.cz>
1525         PR lto/90500
1526         * multiple_target.c (expand_target_clones): Do not allow
1527         target_clones being used with a symbol that is an alias.
1529 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1531         PR tree-optimization/90394
1532         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1533         positives rather than ICE for cases where (code2 == NE_EXPR
1534         && code1 == BIT_AND_EXPR).
1536 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1538         PR fortran/90329
1539         * tree-core.h (struct tree_decl_common): Document
1540         decl_nonshareable_flag for PARM_DECLs.
1541         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1542         * calls.c (expand_call): Don't try tail call if caller
1543         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1544         passed on the stack and callee needs to pass any arguments on the
1545         stack.
1546         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1547         else if instead of series of mutually exclusive ifs.  Handle
1548         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1549         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1551         * lto-streamer.h (LTO_major_version): Bump to 9.
1553 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
1555         PR tree-optimization/90106
1556         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1557         new parameter as new internal function call, also move it to new
1558         basic block.
1559         (use_internal_fn): Pass internal function call to
1560         shrink_wrap_one_built_in_call_with_conds.
1562 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1564         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1565         max_vf to 1.
1566         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1567         safelen_int and set loop->dont_vectorize.
1569 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1571         PR target/89021
1572         * config/i386/i386-builtin.def: Enable MMX intrinsics with
1573         SSE/SSE2/SSSE3.
1574         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1575         Likewise.
1576         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1577         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1578         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1579         is defined.
1581 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1583         PR target/89021
1584         * config/i386/mmx.md (*vec_dupv2sf): Changed to
1585         define_insn_and_split to support SSE emulation.
1586         (*vec_extractv2sf_0): Likewise.
1587         (*vec_extractv2sf_1): Likewise.
1588         (*vec_extractv2si_0): Likewise.
1589         (*vec_extractv2si_1): Likewise.
1590         (*vec_extractv2si_zext_mem): Likewise.
1591         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1592         (vec_extractv2sf_1 splitter): Likewise.
1593         (vec_extractv2sfsf): Likewise.
1594         (vec_setv2si): Likewise.
1595         (vec_extractv2si_1 splitter): Likewise.
1596         (vec_extractv2sisi): Likewise.
1597         (vec_setv4hi): Likewise.
1598         (vec_extractv4hihi): Likewise.
1599         (vec_setv8qi): Likewise.
1600         (vec_extractv8qiqi): Likewise.
1601         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1602         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1603         (vec_extractv2sisi): Likewise.
1604         (vec_extractv4hihi): Likewise.
1605         (vec_extractv8qiqi): Likewise.
1606         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1607         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1608         (vec_initv2sisi): Likewise.
1609         (vec_initv4hihi): Likewise.
1610         (vec_initv8qiqi): Likewise.
1611         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
1612         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1613         (vec_setv4hi): Likewise.
1614         (vec_setv8qi): Likewise.
1616 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1618         PR target/89021
1619         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1620         TARGET_MMX_WITH_SSE.
1621         (MMXMODE:*mov<mode>_internal): Likewise.
1622         (MMXMODE:movmisalign<mode>): Likewise.
1624 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
1626         PR target/89021
1627         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1628         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1629         (sse2_cvtpd2pi): Ditto.
1630         (sse2_cvttpd2pi): Ditto.
1631         (*vec_concatv2sf_sse4_1): Ditto.
1632         (*vec_concatv2sf_sse): Ditto.
1633         (*vec_concatv2si_sse4_1): Ditto.
1634         (*vec_concatv2si): Ditto.
1635         (*vec_concatv4si_0): Ditto.
1636         (*vec_concatv2di_0): Ditto.
1638 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1640         PR target/89021
1641         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1643 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1645         PR target/89021
1646         * config/i386/sse.md (ssse3_palignrdi): Changed to
1647         define_insn_and_split to support SSE emulation.
1649 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1651         PR target/89021
1652         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1654 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1656         PR target/89021
1657         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1658         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1659         SSE emulation.
1661 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1663         PR target/89021
1664         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1665         or TARGET_MMX_WITH_SSE.
1666         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1668 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1670         PR target/89021
1671         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1673 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1675         PR target/89021
1676         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1677         Changed to define_insn_and_split to support SSE emulation.
1679 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1681         PR target/89021
1682         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1683         Changed to define_insn_and_split to support SSE emulation.
1685 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1687         PR target/89021
1688         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1689         (*mmx_<emms>): This.
1690         (mmx_<emms>): New expander.
1692 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1694         PR target/89021
1695         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1696         support.
1697         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1699 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1701         PR target/89021
1702         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1704 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1706         PR target/89021
1707         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1709 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1711         PR target/89021
1712         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1713         TARGET_MMX_WITH_SSE.
1714         (*mmx_uavgv4hi3): Add SSE emulation.
1716 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1718         PR target/89021
1719         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1720         and TARGET_MMX_WITH_SSE.
1721         (*mmx_uavgv8qi3): Add SSE emulation.
1723 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1725         PR target/89021
1726         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1727         maskmovdqu for __MMX_WITH_SSE__.
1729 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1731         PR target/89021
1732         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1733         TARGET_MMX and TARGET_MMX_WITH_SSE.
1734         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1736 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1738         PR target/89021
1739         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1740         define_insn_and_split to support SSE emulation.
1742 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1744         PR target/89021
1745         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1746         and TARGET_MMX_WITH_SSE.
1747         (mmx_<code>v8qi3): Likewise.
1748         (smaxmin:<code>v4hi3): New.
1749         (umaxmin:<code>v8qi3): Likewise.
1750         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1751         (umaxmin:*mmx_<code>v8qi3): Likewise.
1753 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1755         PR target/89021
1756         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1757         TARGET_MMX_WITH_SSE.
1758         (*mmx_pinsrw): Add SSE emulation.
1760 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1762         PR target/89021
1763         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1765 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1767         PR target/89021
1768         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1769         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1770         SSE emulation.
1772 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1774         PR target/89021
1775         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1776         (sse_cvttps2pi): Likewise.
1778 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1780         PR target/89021
1781         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1782         TARGET_MMX_WITH_SSE.
1783         (mmx_pshufw_1): Add SSE emulation.
1784         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1785         TARGET_MMX_WITH_SSE to support SSE emulation.
1787 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1789         PR target/89021
1790         * config/i386/constraints.md (Yw): New constraint.
1791         * config/i386/mmx.md (*vec_dupv2si): Changed to
1792         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1793         support SSE emulation.
1795 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1797         PR target/89021
1798         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1799         TARGET_MMX_WITH_SSE.
1800         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1801         support.
1802         (mmx_gt<mode>3): Likewise.
1804 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1806         PR target/89021
1807         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1808         TARGET_MMX_WITH_SSE.  Add SSE support.
1810 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1812         PR target/89021
1813         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1814         TARGET_MMX_WITH_SSE.
1815         (any_logic:<code><mode>3): New.
1816         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1817         Add SSE support.
1819 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1821         PR target/89021
1822         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1823         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1824         (mmx_<shift_insn><mode>3): Likewise.
1825         (ashr<mode>3): New.
1826         (<shift_insn><mode>3): Likewise.
1828 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1830         PR target/89021
1831         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1832         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1834 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1836         PR target/89021
1837         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1838         TARGET_MMX_WITH_SSE.
1839         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1840         SSE support.
1842 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1844         PR target/89021
1845         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1846         TARGET_MMX_WITH_SSE.
1847         (mulv4hi3): New.
1848         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1849         support.
1851 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1853         PR target/89021
1854         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1855         (plusminus:mmx_<plusminus_insn><mode>3): Check
1856         TARGET_MMX_WITH_SSE.
1857         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1858         (<plusminus_insn><mode>3): New.
1859         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1860         (*mmx_<plusminus_insn><mode>3): Likewise.
1862 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1864         PR target/89021
1865         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1866         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1867         prototype.
1868         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1869         define_insn_and_split to support SSE emulation.
1870         (mmx_punpcklbw): Likewise.
1871         (mmx_punpckhwd): Likewise.
1872         (mmx_punpcklwd): Likewise.
1873         (mmx_punpckhdq): Likewise.
1874         (mmx_punpckldq): Likewise.
1876 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1877             Uros Bizjak  <ubizjak@gmail.com>
1879         PR target/89021
1880         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1881         New function.
1882         (ix86_split_mmx_pack): Likewise.
1883         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1884         New prototype.
1885         (ix86_split_mmx_pack): Likewise.
1886         * config/i386/i386.md (mmx_isa): New.
1887         (enabled): Also check mmx_isa.
1888         * config/i386/mmx.md (any_s_truncate): New code iterator.
1889         (s_trunsuffix): New code attr.
1890         (mmx_packsswb): Removed.
1891         (mmx_packssdw): Likewise.
1892         (mmx_packuswb): Likewise.
1893         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1894         MMX packsswb/packuswb with SSE2.
1895         (mmx_packssdw): Likewise.
1896         * config/i386/predicates.md (register_mmxmem_operand): New.
1898 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1900         PR target/89021
1901         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1902         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1903         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1904         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1905         (ix86_vector_mode_supported_p): Likewise.
1906         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1908 2019-05-15  Martin Liska  <mliska@suse.cz>
1910         PR middle-end/90478
1911         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1912         Check for overflow.
1914 2019-05-15  Richard Biener  <rguenther@suse.de>
1916         * tree-into-ssa.c (pass_build_ssa::execute): Run
1917         update_address_taken before going into SSA.
1919 2019-05-15  Richard Biener  <rguenther@suse.de>
1921         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1922         as __BIT_FIELD_REF with type with -gimple.
1924 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1926         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1927         semantically equivalent branches (left over after prior refactorings).
1929 2019-05-15  Richard Biener  <rguenther@suse.de>
1931         PR tree-optimization/88828
1932         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1933         bogus check.
1935 2019-05-14  Richard Biener  <rguenther@suse.de>
1937         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1938         as __VIEW_CONVERT with -gimple.
1940 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1942         PR target/82920
1943         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1944         Darwin.
1946 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1948         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1949         define_split to become a define_insn_and_split.
1951 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1953         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1954         arguments.
1955         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1956         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1957         (sibcall_epilogue): Adjust.
1958         (epilogue): Adjust.
1960 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1962         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1963         to unsupported ones.
1964         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1965         * config.host: Likewise.
1966         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1967         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1968         __svr4__]: Remove "brand" fallback.
1969         [!KSTAT_DATA_STRING]: Remove.
1970         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1971         to *-*-solaris2*.
1972         (comdat_group): Likewise.
1973         (set_have_as_tls): Likewise.
1974         (gcc_cv_target_dl_iterate_phdr): Likewise.
1975         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1976         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1977         * configure: Regenerate.
1978         * doc/install.texi: Simplify Solaris target triplets.
1979         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1980         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1981         Remove Solaris 10 references.
1982         Remove obsolete Solaris bug reference.
1983         (Specific, sparc-sun-solaris2.10): Remove.
1985 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1987         * config/i386/i386.md (any_div): New code iterator.
1988         (paired_mod): New code attribute.
1989         (sgnprefix): Handle DIV and UDIV RTXes.
1990         (u): Ditto.
1991         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1992         and udivmod<mode>4 patterns using any_div code iterator.
1993         (divmod splitters): Macroize splitters using any_div code iterator.
1994         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1995         (*udivmodsi4_pow2_zext_2): Ditto.
1996         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1997         and *udivmod<mode>4_noext patterns using any_div code iterator.
1998         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1999         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2000         patterns using any_div code iterator.
2001         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2002         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2003         patterns using any_div code iterator.
2004         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2005         udivmodhiqi3 patterns using any_extend code iterator.
2007 2019-05-14  Richard Biener  <rguenther@suse.de>
2008             H.J. Lu  <hongjiu.lu@intel.com>
2010         PR tree-optimization/88828
2011         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2012         permuting in a single non-constant element not extracted
2013         from a vector.
2015 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2017         * internal-fn.def (SIGNBIT): New.
2018         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2019         defined.
2020         (signbitv4sf2): Likewise.
2022 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2024         PR target/90357
2025         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2026         next insn when the SRC reg is dead.
2028 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2030         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2031         (alloc_cand_and_find_basis): Ditto.
2032         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2033         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2034         (create_add_imm_cand, slsr_process_cast): Ditto.
2035         (slsr_process_copy, replace_mult_candidate): Ditto.
2036         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2037         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2038         (pass_strength_reduction::execute): Init the first NULL element.
2040 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2042         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2043         (run_attempt): Reformat line break.
2045 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2047         PR target/90418
2048         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2049         data registers in sibcall epilogues.
2050         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2052 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2054         PR target/89221
2055         * configure.ac (--enable-frame-pointer):
2056         Disable by default for cygwin and mingw.
2057         * configure: Regenerate.
2059 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2061         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2062         piece of code.
2063         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2064         (gen_member_die): Move abstract origin check earlier.  Only VARs
2065         can be static_inline_p.  Simplify splicing control flow.
2067 2019-05-13  Richard Biener  <rguenther@suse.de>
2069         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2070         VIEW_CONVERT_EXPR.
2071         (vect_build_slp_tree_1): Likewise.
2073 2019-05-13  Richard Biener  <rguenther@suse.de>
2075         PR tree-optimization/90402
2076         * tree-if-conv.c (tree_if_conversion): Value number only
2077         the loop body by making the latch an exit of the region
2078         as well.
2079         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2080         processing PHIs.
2081         (do_rpo_vn): Deal with multiple edges into the entry block
2082         that are not backedges inside the region by skipping PHIs
2083         of the entry block.
2085 2019-05-13  Richard Biener  <rguenther@suse.de>
2087         PR tree-optimization/90316
2088         * tree-ssa-pre.c (insert_aux): Fold into ...
2089         (insert): ... this function.  Use a RPO walk to reduce the
2090         number of required iterations.
2092 2019-05-13  Martin Liska  <mliska@suse.cz>
2094         PR tree-optimization/90416
2095         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2096         string instead of passing the second part as va_arg argument.
2098 2019-05-13  Martin Liska  <mliska@suse.cz>
2100         PR gcov-profile/90380
2101         * gcov.c (handle_cycle): Do not support zero cycle count,
2102         it should not be possible.
2103         (path_contains_zero_cycle_arc): New function.
2104         (circuit): Ignore zero cycle arc counts.
2106 2019-05-13  Martin Liska  <mliska@suse.cz>
2108         PR gcov-profile/90380
2109         * gcov.c (enum loop_type): Remove the enum and
2110         the operator.
2111         (handle_cycle): Assert that we should not reach
2112         a negative count.
2113         (circuit): Use loop_found instead of a tri-state loop_type.
2114         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2115         happen.
2117 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2119         PR target/82920
2120         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2121         (ix86_output_indirect_branch_via_reg): Use output mechanism
2122         accounting for __USER_LABEL_PREFIX__.
2123         (ix86_output_indirect_branch_via_push): Likewise.
2124         (ix86_output_function_return): Likewise.
2125         (ix86_output_indirect_function_return): Likewise.
2127 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2129         * doc/md.texi: Document use of code attributes in rtx patterns.
2130         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2131         * read-rtl.c (find_code): Split out search loops into...
2132         (maybe_find_code): ...this new function.
2133         (check_code_iterator): Make the error message more informative.
2134         (check_code_attribute): New function.
2135         (rtx_reader::rtx_alloc_for_name): Likewise.
2136         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2137         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2138         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2139         <max_opp> directly as an rtx code instead of via a match_operator.
2140         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2141         (<su>abd<mode>_3): Update accordingly.
2143 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2145         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2146         is given, print the state of the EH "save world" computation for
2147         Darwin.
2149 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2151         PR c++/59813
2152         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2153         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2155 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2157         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2158         Use pinsrd for TARGET_SSE4_1.
2159         * config/i386/sse.md (movdi_to_sse): Ditto.
2161 2019-05-10  Richard Biener  <rguenther@suse.de>
2163         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2164         (do_rpo_vn): Initialize next_value_id.
2166 2019-05-10  Martin Liska  <mliska@suse.cz>
2168         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2169         Fix plural form.
2171 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2173         PR tree-optimization/90385
2174         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2175         arguments of the exit phis.
2177         PR c++/90383
2178         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2179         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2180         id->do_not_fold.
2181         (copy_tree_body_r): Likewise.
2182         (copy_fn): Set id.do_not_fold to true.
2184 2019-05-10  Martin Liska  <mliska@suse.cz>
2186         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2187         Reapply changes from r269790.
2189 2019-05-10  Martin Liska  <mliska@suse.cz>
2191         PR middle-end/90340
2192         * doc/invoke.texi: New params.
2193         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2194         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2195         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2196         Use it.
2197         * tree-switch-conversion.h (struct jump_table_cluster):
2198         Likewise.
2200 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2202         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2204 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2206         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2208 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2210         PR rtl-optimization/88879
2211         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2213 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2215         PR target/90405
2216         * config/arm/arm.c (callee_saved_reg_p): Move before
2217         thumb_find_work_register.
2218         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2219         thumb_find_work_register.  Only call df_get_live_out once.
2220         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2221         (thumb_find_work_register): Use
2222         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2223         algorithms to locate a spare call clobbered reg.
2225 2019-05-09  Martin Liska  <mliska@suse.cz>
2227         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2228         and MAX_EXPR in GIMPLE FE format.
2230 2019-05-09  Martin Liska  <mliska@suse.cz>
2232         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2233         * gimple-pretty-print.c (dump_gimple_bb_header):
2234         Dump BB count.
2235         (pp_cfg_jump): Dump edge probability.
2236         * profile-count.c (profile_quality_as_string): Simplify
2237         with a static array.
2238         (parse_profile_quality): New function.
2239         (profile_count::dump): Simplify with a static array.
2240         (profile_count::from_gcov_type): Add new argument.
2241         * profile-count.h (parse_profile_quality): Likewise.
2242         * predict.h (set_hot_bb_threshold): New.
2243         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2244         New param.
2245         * predict.c (get_hot_bb_threshold): Set from the new param.
2246         (set_hot_bb_threshold): New.
2248 2019-05-09  Richard Biener  <rguenther@suse.de>
2250         PR tree-optimization/90395
2251         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2252         rewrite vector stores that throw internally.
2254 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2256         * cif-code.def (CHKP): Remove.
2258         PR target/89221
2259         * configure.ac (--enable-frame-pointer): Disable by default for
2260         GNU systems.
2261         * configure: Regenerate.
2263 2019-05-09  Alan Modra  <amodra@gmail.com>
2265         PR target/89271
2266         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2267         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2268         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2269         cost for general <-> vsx when direct moves are available.
2270         Cost union classes at minimal cost for any reg in the class.
2271         Correct calculation for moves between vsx, float, and altivec.
2272         Don't return a low cost for moves between special regs.  Don't
2273         use hard coded register numbers.
2274         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2275         (rs6000_ira_change_pseudo_allocno_class): New function.
2276         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2277         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2278         alternatives.
2279         (movsi_internal1): Don't disparage vector alternatives.
2280         (mov<mode>_internal): Likewise, excepting alternative that
2281         will be split.
2282         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2283         we <- b alternative.
2285 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2287         PR c++/59813
2288         PR tree-optimization/89060
2289         * tree-ssa-live.h (live_vars_map): New typedef.
2290         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2291         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2292         (struct compute_live_vars_data): New type.
2293         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2294         live_vars_at_stmt, destroy_live_vars): New functions.
2295         * tree-tailcall.c: Include tree-ssa-live.h.
2296         (live_vars, live_vars_vec): New global variables.
2297         (find_tail_calls): Perform variable life analysis before punting.
2298         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2299         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2300         member.
2301         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2302         Perform variable life analysis to select variables that really need
2303         clobbers added.
2304         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2305         instead set id->eh_landing_pad_dest and assert it is the same.
2306         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2308 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2309             Richard Earnshaw  <rearnsha@arm.com>
2311         PR target/88167
2312         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2313         function.
2314         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2315         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2316         register if both the epilogue and prologue can use call-clobbered
2317         regs.
2318         (thumb1_unexpanded_epilogue): Use
2319         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2320         picking temporaries for restoring high regs to match that of the
2321         prologue where possible.
2322         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2323         the list of work registers.  Detect if the return address is still live
2324         at the end of the prologue and avoid using it for a work register if so.
2325         If the return address is not live, add LR to the list of pushable regs
2326         after the first pass.
2328 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2330         PR tree-optimization/90078
2331         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2332         (INFTY): Increase the value for infinite cost.
2333         (struct comp_cost): Promote type of members to int64_t.
2334         (infinite_cost): Don't set complexity in initialization.
2335         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2336         overflows to infinite_cost.
2337         (adjust_setup_cost): Promote type of parameter and cost computation
2338         to int64_t.
2339         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2340         int64_t.
2341         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2342         cost computation to int64_t.
2343         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2344         int64_t's format specifier in dump.
2346 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2348         PR tree-optimization/90240
2349         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2350         with respect to scaling factor pre-computed for each basic block.
2351         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2352         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2353         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2354         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2355         live range for array of loop's basic blocks.  Cleanup aux field of
2356         loop's basic blocks.
2358 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2360         PR tree-optimization/90356
2361         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2363 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2365         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2366         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2367         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2368         (ix86_handle_option): Handle -mavx512bf16.
2369         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2370         to extra_headers.
2371         * config/i386/avx512bf16vlintrin.h: New.
2372         * config/i386/avx512bf16intrin.h: New.
2373         * config/i386/cpuid.h (bit_AVX512BF16): New.
2374         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2375         * config/i386/i386-builtin-types.def: Add new types.
2376         * config/i386/i386-builtin.def: Add new builtins.
2377         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2378         __AVX512BF16__.
2379         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2380         (ix86_option_override_internal): Handle BF16.
2381         (ix86_valid_target_attribute_inner_p): Ditto.
2382         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2383         * config/i386/i386-builtin.c (enum processor_features): Add
2384         F_AVX512BF16.
2385         (static const _isa_names_table isa_names_table): Ditto.
2386         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2387         (PTA_AVX512BF16): Ditto.
2388         * config/i386/i386.opt: Add -mavx512bf16.
2389         * config/i386/immintrin.h: Include avx512bf16intrin.h
2390         and avx512bf16vlintrin.h.
2391         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2392         avx512f_cvtneps2bf16_<mode><mask_name>,
2393         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2394         * config/i386/subst.md (mask_half): Add new subst.
2395         * doc/invoke.texi: Document -mavx512bf16.
2397 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2399         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2400         Delete declaration.
2401         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2402         (rs6000_debug_legitimize_reload_address): Delete.
2403         (rs6000_legitimize_reload_address_ptr): Delete.
2404         (rs6000_option_override_internal): Adjust.
2405         (mem_operand_gpr): Adjust comment.
2406         (legitimate_lo_sum_address_p): Ditto.
2407         (rs6000_legitimize_reload_address): Delete.
2408         (rs6000_debug_legitimize_reload_address): Delete.
2409         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2411 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2413         PR target/89765
2414         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2415         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2416         to compute vector element selector for both constant and variable
2417         operands.
2419 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2421         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2422         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2423         ashrdi3_cvt using SWI48 mode iterator.
2425 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2427         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2428         (aarch64_<su>abd<mode>_3): Likewise.
2429         (*aarch64_<su>abd<mode>_3): New define_insn.
2430         (<sur>sad<vsi2qi>): New define_expand.
2431         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2432         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2433         (build_vect_cond_expr): Likewise.
2435 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2437         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2438         clobbers outside of accessible_reg_set.
2439         * config/i386/i386.c (ix86_conditional_register_usage):
2440         Disable register sets by clearing corresponding bits in
2441         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2442         call_used_regs and don't clear corresponding reg_names array members.
2444 2019-05-07  Richard Biener  <rguenther@suse.de>
2446         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2447         not specified still compute a comp_vectype for invariant
2448         compares.
2450 2019-05-07  Richard Biener  <rguenther@suse.de>
2452         PR tree-optimization/90316
2453         * tree-ssa-pre.c (translate_vuse_through_block): When
2454         same_valid is NULL do not bother to search for a virtual
2455         PHI continuation.
2456         (phi_translate_1): When operands changed we cannot keep
2457         the same value-number so do not bother to ask whether
2458         that's possible from translate_vuse_through_block.
2460 2019-05-07  Martin Liska  <mliska@suse.cz>
2462         * bitmap.c (bitmap_register): Come up with
2463         alloc_descriptor_max_uid and assign it for
2464         a new bitmap.
2465         (register_overhead): Use get_descriptor as
2466         a descriptor.
2467         (release_overhead): New.
2468         (bitmap_elem_to_freelist): Call it.
2469         (bitmap_elt_clear_from): Likewise.
2470         (bitmap_obstack_free): Likewise.
2471         (bitmap_move): Sensitively release memory.
2472         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2473         (bitmap_initialize): Initialize alloc_descriptor to zero.
2474         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2476 2019-05-07  Richard Biener  <rguenther@suse.de>
2478         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2479         we build a SLP node.  Remove max_size and limiting.
2480         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2482 2019-05-07  Richard Biener  <rguenther@suse.de>
2484         PR tree-optimization/90316
2485         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2486         limit by reference.
2487         (walk_non_aliased_vuses): Take walking limit argument.
2488         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2489         walking if it is reached instead of just counting.
2490         (get_continuation_for_phi): Likewise.
2491         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2492         limiting to the callback.
2493         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2494         (vn_reference_lookup_3): Likewise.
2495         (vn_reference_lookup_pieces): Likewise.
2496         (vn_reference_lookup): Likewise.
2497         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2498         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2499         (avail_exprs_stack::lookup_avail_expr): Likewise.
2501 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2503         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2504         for comparaible types in the second direction even if first one
2505         hits incomparable type.
2507 2019-05-07  Richard Biener  <rguenther@suse.de>
2509         PR lto/90369
2510         * lto-wrapper.c (debug_objcopy): Use the original filename
2511         including archive offset for the filename used for -save-temps.
2513 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2515         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2516         detection.
2518 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2520         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2521         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2522         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2523         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2524         (FRAME_POINTER_REGNUM): Change numbering.
2525         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2526         (alt_reg_names): Adjust.
2527         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2528         fixed.
2529         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2530         (DWARF_FRAME_REGISTERS): Delete.
2531         (DWARF2_FRAME_REG_OUT): Fix whitespace.
2532         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2533         Adjust.
2534         (REG_ALLOC_ORDER): Adjust.
2535         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2536         (REG_CLASS_CONTENTS): Adjust.
2537         (RETURN_ADDR_RTX): Change comment.
2538         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2539         instead of 67.
2540         (REGISTER_NAMES): Adjust.
2541         (ADDITIONAL_REGISTER_NAMES): Adjust.
2542         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2544 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2546         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2547         Delete.
2548         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2549         (DWARF_FRAME_REGISTERS): Adjust.
2550         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2551         Adjust.
2552         (REG_ALLOC_ORDER): Adjust.
2553         (enum reg_class): Delete SPR_REGS.
2554         (REG_CLASS_NAMES): Delete SPR_REGS.
2555         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
2556         (REGISTER_NAMES): Adjust.
2557         (ADDITIONAL_REGISTER_NAMES): Adjust.
2558         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2559         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2560         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2561         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2562         (htm_spr_regno): Delete.
2563         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2564         argument.
2565         (rs6000_dbx_register_number): Adjust.
2567 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2569         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2571 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2573         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2574         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2576 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
2578         PR tree-optimization/88709
2579         PR tree-optimization/90271
2580         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2581         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2582         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
2583         variable.
2584         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2585         of the store merging group is larger than
2586         PARAM_STORE_MERGING_MAX_SIZE parameter.
2587         (split_group): Add bzero_first argument.  If set, always emit first
2588         the first store which must be = {} of the whole area and then for the
2589         rest of the stores consider all zero bytes as paddings.
2590         (imm_store_chain_info::output_merged_store): Check if first store
2591         is = {} of the whole area and if yes, determine which setting of
2592         bzero_first for split_group gives smaller number of stores.  Adjust
2593         split_group callers.
2594         (lhs_valid_for_store_merging_p): Allow decls.
2595         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2596         no elts.
2597         (pass_store_merging::process_store): Likewise.
2599 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2601         PR target/89424
2602         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2603         handling of V1TImode.
2605 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
2607         PR target/89221
2608         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2609         and enable_frame_pointer ...
2610         * configure.ac: ... here.  Update help strings for
2611         --enable-frame-pointer.
2612         * configure: Regenerate.
2613         * config/i386/i386-options.c (ix86_option_override_internal): Remove
2614         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2615         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2616         (USE_X86_64_FRAME_POINTER): Ditto.
2618 2019-05-06  Martin Liska  <mliska@suse.cz>
2620         * config.gcc: Append to target_gtfiles and fix indentation.
2622 2019-05-06  Richard Biener  <rguenther@suse.de>
2624         PR tree-optimization/90358
2625         * tree-vect-stmts.c (get_group_load_store_type): Properly
2626         detect unused upper half of load.
2627         (vectorizable_load): Likewise.
2629 2019-05-06  Richard Biener  <rguenther@suse.de>
2631         PR tree-optimization/88828
2632         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2633         (simplify_vector_constructor): ...here.  Handle constants in
2634         the constructor.
2636 2019-05-06  Richard Biener  <rguenther@suse.de>
2638         PR tree-optimization/90328
2639         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2640         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2641         is valid in the loop nest before using it.
2642         (initialize_data_dependence_relation): Adjust.
2643         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2644         loop as loop-nest to dr_may_alias_p.
2646 2019-05-06  Richard Biener  <rguenther@suse.de>
2648         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2650 2019-05-06  Richard Biener  <rguenther@suse.de>
2652         PR tree-optimization/90316
2653         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2654         compute target on demand.
2655         (get_continuation_for_phi): Remove code walking stmts to
2656         get to a target virtual operand which could end up being
2657         quadratic.
2659 2019-05-06  Martin Liska  <mliska@suse.cz>
2661         PR sanitizer/90312
2662         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2663         when -mabi is selected to a non-default version.
2665 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2666             Martin Liska  <mliska@suse.cz>
2668         * Makefile.in: Add lto-dump.texi.
2669         * cgraph.h: Add new functions get_visibility_string and
2670         get_symtab_type_string.
2671         * doc/gcc.texi: Include lto-dump section.
2672         * doc/lto-dump.texi: New file.
2673         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2674         (parse_dump_option): Factor out this function.
2675         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2676         (parse_dump_option): Export the function.
2677         * symtab.c (symtab_node::get_visibility_string): New function.
2678         (symtab_node::get_symtab_type_string): Likewise.
2680 2019-05-06  Martin Liska  <mliska@suse.cz>
2682         * config/i386/i386-builtins.c: New file.
2683         * config/i386/i386-builtins.h: New file.
2684         * config/i386/i386-expand.c: New file.
2685         * config/i386/i386-expand.h: New file.
2686         * config/i386/i386-features.c: New file.
2687         * config/i386/i386-features.h: New file.
2688         * config/i386/i386-options.c: New file.
2689         * config/i386/i386-options.h: New file.
2690         * config.gcc: Add new files into extra_objs and
2691         target_gtfiles.
2692         * config/i386/i386.c: Split content of the file
2693         into newly introduced files.
2694         * config/i386/i386.h: Declare common variables
2695         and macros.
2696         * config/i386/t-i386: Define dependencies for new files.
2698 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2700         PR target/89400
2701         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2702         Restrict 'all' variant to 32-bit configurations.
2703         (unaligned_loadhiu): Likewise.
2704         (unaligned_storehi): Likewise.
2705         (unaligned_storesi): Likewise.
2706         (unaligned_loadhis): Disable when compiling for thumb1.
2708 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2710         PR tree-optimization/90269
2711         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2712         Ignore clobbers.
2714 2019-05-03  Martin Liska  <mliska@suse.cz>
2716         * hash-map.h: Add is_empty function.
2717         * hash-set.h: Likewise.
2718         * hash-table.h: Likewise.
2719         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2720         elements () == 0 (and similar usages).
2721         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2722         * gimplify.c (gimplify_bind_expr): Likewise.
2723         (gimplify_switch_expr): Likewise.
2724         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2725         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2726         * postreload-gcse.c (dump_hash_table): Likewise.
2727         (gcse_after_reload_main): Likewise.
2728         * predict.c (combine_predictions_for_bb): Likewise.
2729         * tree-parloops.c (reduction_phi): Likewise.
2730         (separate_decls_in_region): Likewise.
2731         (transform_to_exit_first_loop): Likewise.
2732         (gen_parallel_loop): Likewise.
2733         (gather_scalar_reductions): Likewise.
2734         (try_create_reduction_list): Likewise.
2735         * var-tracking.c (dump_vars): Likewise.
2736         (emit_notes_for_changes): Likewise.
2737         (vt_emit_notes): Likewise.
2739 2019-05-03  Richard Biener  <rguenther@suse.de>
2741         PR tree-optimization/90316
2742         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2743         before running VN.
2745 2019-05-03  Richard Biener  <rguenther@suse.de>
2747         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2748         peeling for gaps by loading only lower halves of vectors
2749         if possible.
2750         (vectorizable_load): Likewise.
2752 2019-05-03  Richard Biener  <rguenther@suse.de>
2754         PR middle-end/89518
2755         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2757 2019-05-03  Richard Biener  <rguenther@suse.de>
2759         PR middle-end/87314
2760         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2761         Handle STRING_CST vs DECL or STRING_CST.
2763 2019-05-03  Richard Biener  <rguenther@suse.de>
2765         PR tree-optimization/88963
2766         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2767         vector loads feeding only BIT_FIELD_REFs to component
2768         loads.  Rewrite stores fed by CONSTRUCTORs to component
2769         stores.
2771 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2773         * opts.h (finish_options): Remove lang_mask argument.
2774         (print_help, help_option_argument): Declare.
2775         * opts.c (print_help): Remove forward declaration, no longer static.
2776         (finish_options): Remove lang_mask argument, don't call print_help
2777         here.
2778         * opts-global.c (decode_options): Adjust finish_option caller, call
2779         print_help here.
2781         PR tree-optimization/90303
2782         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2783         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2785 2019-05-03  Richard Biener  <rguenther@suse.de>
2787         PR tree-optimization/89698
2788         * gimple-fold.c (canonicalize_constructor_val): Early out
2789         for constants, handle unfolded INTEGER_CSTs as they appear in
2790         C++ virtual table ctors.
2792 2019-05-03  Richard Biener  <rguenther@suse.de>
2794         * passes.c (execute_function_todo): Remove dead code.
2796 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2798         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2799         the internal register number, for any "real" register.
2801 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2803         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2804         correct numbers for TFHAR, TFIAR, TEXASR.
2806 2019-05-02  Richard Biener  <rguenther@suse.de>
2808         PR tree-optimization/89653
2809         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2810         update-address-taken before the pass.
2811         * passes.def (pass_tree_loop_init): Put comment before it.
2813 2019-05-02  Richard Biener  <rguenther@suse.de>
2815         PR tree-optimization/89509
2816         * tree-ssa-structalias.c (compute_dependence_clique): Look
2817         at the first subvar when determining whether it is restrict.
2819 2019-05-02  Richard Biener  <rguenther@suse.de>
2821         PR tree-optimization/90273
2822         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2823         useless debug stmts.
2825 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2827         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2828         ACLE branch.
2829         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2830         SVE ACLE branch.
2831         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2832         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2833         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2834         (vectorizable_reduction): Use the functions above to vectorize in a
2835         fully masked loop codes that don't have a conditional internal
2836         function.
2838 2019-05-02  Martin Liska  <mliska@suse.cz>
2840         * cgraphclones.c: Call valid_attribute_p with 1 for
2841         target_clone.
2842         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2843         it's for target attribute.
2844         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2845         Add new boolean argument.
2846         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2847         Likewise.
2848         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2849         to ix86_valid_target_attribute_inner_p.
2850         (ix86_valid_target_attribute_p): Pass flags argument to
2851         ix86_valid_target_attribute_inner_p.
2852         (get_builtin_code_for_version): Use 0 as it's target attribute.
2854 2019-05-02  Martin Liska  <mliska@suse.cz>
2856         * gcc.c (process_command): Add dummy file only
2857         if n_infiles == 0.
2858         * opts-global.c (decode_options): Pass lang_mask.
2859         * opts.c (print_help): New function.
2860         (finish_options): Print --help if help_option_argument
2861         is set.
2862         (common_handle_option): Factor out content of OPT__help_
2863         into print_help.
2864         * opts.h (finish_options): Add new argument.
2866 2019-05-02  Martin Liska  <mliska@suse.cz>
2868         PR target/88809
2869         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2870         With -minline-all-stringops use inline expansion using 4B loop.
2871         * doc/invoke.texi: Document the change of
2872         -minline-all-stringops.
2874 2019-05-01  Jeff Law  <law@redhat.com>
2876         PR tree-optimization/88797
2877         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2878         PHI feeds a conditional on the RHS of an assignment.
2880 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2881             Jim Wilson  <jimw@sifive.com>
2883         * config/riscv/constraints.md (L): New.
2884         * config/riscv/predicates.md (lui_operand): New.
2885         (sfb_alu_operand): New.
2886         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2887         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2888         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2889         * config/riscv/risc.md (type): Add sfb_alu.
2890         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2891         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2892         (branch_zero<mode>): Delete.
2893         (mov<mode>cc): New.
2894         (mov<GPR:mode><X:mode>cc): Likewise.
2895         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2897 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2899         * tree.h (MARK_TS_EXP): New.
2901 2019-04-30  Martin Liska  <mliska@suse.cz>
2903         * opts.c (enable_warning_as_error): Provide hints
2904         for unknown options.
2906 2019-04-30  Martin Liska  <mliska@suse.cz>
2908         PR debug/90288
2909         * doc/invoke.texi: Add missing dash for gas-locview-support
2910         and gno-as-locview-support.
2912 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2914         PR target/89093
2915         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2916         whitespace at the start of target attribute string.
2918 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2920         PR target/86538
2921         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2922         Define __ARM_FEATURE_ATOMICS.
2924 2019-04-30  Martin Liska  <mliska@suse.cz>
2926         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2927         into built_in_function enum. Remove code for endp == 2 and
2928         use BUILT_IN_* constants.
2929         (gimple_fold_builtin): Call the function with fcode.
2931 2019-04-30  Martin Liska  <mliska@suse.cz>
2933         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2934         DECL_FUNCTION_CODE into ix86_builtins enum before
2935         the switch statement.
2937 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2939         PR tree-optimization/89475
2940         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2941         calls.
2943 2019-04-30  Martin Liska  <mliska@suse.cz>
2945         PR translation/90274
2946         * opts.c (print_filtered_help): Wrap string in _(...).
2948 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2950         PR tree-optimization/90240
2951         Revert:
2952         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2954         PR tree-optimization/90078
2955         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2956         checks for infinite_cost overflow.
2958 2019-04-29  Jeff Law  <law@redhat.com>
2960         * passes.def: Move -Wrestrict pass after copy propagation.
2962 2019-04-29  Maya Rashish  <coypu@sdf.org>
2964         * config.gcc (default_gnu_indirect_function): Default to yes
2965         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2966         sparc*-*-netbsd*, x86_64-*-netbsd*.
2968 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2970         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2971         where cond2 is NE_EXPR.
2972         (is_value_included_in): Update comment.
2974 2019-04-29  Richard Biener  <rguenther@suse.de>
2976         PR tree-optimization/90278
2977         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2978         EH on comparison simplification.
2980 2019-04-29  Jason Merrill  <jason@redhat.com>
2982         PR c++/82081 - tail call optimization breaks noexcept
2983         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2984         nothrow function to a might-throw function into a tail call.
2986 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2988         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2989         (DDR_INNER_LOOP): Likewise.
2990         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2991         (initialize_data_dependence_relation): Likewise.
2992         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2994 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2996         PR rtl-optimization/90257
2997         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2998         return value.
3000         Revert the revert:
3001         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3003         PR target/90178
3004         Revert:
3005         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3007         Revert the revert:
3008         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3010         Revert:
3011         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3013         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3015 2019-04-29  Richard Biener  <rguenther@suse.de>
3017         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3018         rhs issue a reset.
3020 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3022         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3023         varasm.h, and netbsd-protos.h.
3025 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3027         PR target/89261
3028         * config/i386/i386-protos.h (ix86_data_alignment): Change
3029         the second argument type to unsigned int.
3030         * config/i386/i386.c (ix86_data_alignment): Change "align"
3031         argument type to unsigned int.
3033 2019-04-27  Martin Liska  <mliska@suse.cz>
3035         PR middle-end/90258
3036         * opt-suggestions.c (option_proposer::build_option_suggestions):
3037         When get_valid_option_values returns empty values, add the
3038         misspelling candidate.
3040 2019-04-26  Jim Wilson  <jimw@sifive.com>
3042         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3043         parameter.
3044         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3045         Pass orig_mode to riscv_build_integer.
3046         (riscv_split_integer): Pass mode to riscv_move_integer.
3047         (riscv_legitimize_const_move): Likewise.
3048         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3049         promoted_mode.  Replace force_reg call with code to load constant into
3050         promoted reg and then subreg it for the store.
3051         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3052         riscv_move_integer.
3054 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3056         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3057         corrupt codes.
3059 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3061         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3062         commentary about the encoding of precision.
3064 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3066         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3067         * config/i386/t-freebsd64: New file.
3068         * config.gcc: Add the t-freebsd64 for multilib support.
3070 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3072         * doc/extend.texi (vector_size): Add missing comma after @xref.
3074 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3076         * BASE-VER: Set to 10.0.0.
3078 2019-04-25  Richard Biener  <rguenther@suse.de>
3080         PR middle-end/89765
3081         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3082         VIEW_CONVERT_EXPR into one operating on an rvalue.
3084 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3086         PR target/89929
3087         * config/i386/i386.c (feature_priority): Moved to file scope.
3088         (processor_features): Likewise.
3089         (processor_model): Likewise.
3090         (_arch_names_table): Likewise.
3091         (arch_names_table): Likewise.
3092         (_feature_list): Removed.
3093         (feature_list): Likewise.
3094         (_isa_names_table): Moved to file scope.  Add priority.
3095         (isa_names_table): Likewise.
3096         (get_builtin_code_for_version): Replace feature_list with
3097         isa_names_table.  Update error message for P_ZERO priority.
3099 2019-04-25  Richard Biener  <rguenther@suse.de>
3101         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3102         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3104 2019-04-24  Jeff Law  <law@redhat.com>
3106         PR tree-optimization/90037
3107         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3108         * passes.def: Replace all instance of phi-only cprop with the
3109         lattice propagator.  Move propagation pass from after erroneous
3110         path isolation to before erroneous path isolation.
3111         * tree-ssa-phionlycprop.c: Remove.
3113 2019-04-24  Richard Biener  <rguenther@suse.de>
3115         PR middle-end/90213
3116         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3117         by size and BITS_PER_UNIT on poly-wide-ints.
3119 2019-04-25  Richard Biener  <rguenther@suse.de>
3121         PR middle-end/90194
3122         * match.pd: Add pattern to simplify view-conversion of an
3123         empty constructor.
3125 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3127         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3128         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3129         for Go on 32 bit AIX.
3130         * config/rs6000/aix72.h: Likewise.
3132 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3134         PR target/90193
3135         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3136         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3138 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3140         PR target/89952
3141         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3142         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3143         for restored hard frame pointer.
3144         (s390_sched_dependencies_evaluation): Implement new target hook.
3145         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3147 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3149         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3150         * config/arc/arc.c (arc_init): Cleanup warning message.
3151         (arc_override_options): Likewise.
3153 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3155         PR target/90187
3156         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3157         a register if both if_true and if_false are MEMs.
3159         PR tree-optimization/90208
3160         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3161         after labels of new_bb, not before them.
3163         PR tree-optimization/90211
3164         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3165         which are not SSA_NAMEs.
3167 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3169         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3170         AArch64.
3171         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3173 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3175         PR rtl-optimization/87979
3176         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3177         not equal zero.
3179 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3181         PR rtl-optimization/84032
3182         * modulo-sched.c (ps_insn_find_column): Change condition so that
3183         branch will always be the last insn in a row inside partial
3184         schedule.
3186 2019-04-23  Richard Biener  <rguenther@suse.de>
3188         PR debug/90131
3189         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3190         dest_single_pred_p argument.
3191         (remove_forwarder_block): Adjust.
3192         (remove_forwarder_block_with_phi): Likewise.
3194 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3195             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3196             Jakub Jelinek  <jakub@redhat.com>
3198         PR target/89093
3199         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3200         if used with general-regs-only.
3201         (arm_conditional_register_usage): Don't add non-general regs if
3202         general-regs-only.
3203         (arm_valid_target_attribute_rec): Handle general-regs-only.
3204         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3205         general-regs-only.
3206         (TARGET_HARD_FLOAT_SUB): Define.
3207         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3208         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3209         (TARGET_REALLY_IWMMXT2): Likewise.
3210         * config/arm/arm.opt: Add -mgeneral-regs-only.
3211         * doc/extend.texi: Document ARM general-regs-only target.
3212         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3214 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3216         PR tree-optimization/90078
3217         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3218         checks for infinite_cost overflow.
3220 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3222         PR tree-optimization/90021
3223         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3224         and check univariate against it.
3225         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3226         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3228 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3230         PR target/90178
3231         Revert:
3232         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3234         Revert the revert:
3235         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3237         Revert:
3238         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3240         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3242 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3244         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3245         names using operand format, rather than hard-wired.
3246         (speculation_barrier): Likewise.
3248 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3250         PR tree-optimization/88055
3251         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3252         (gen_one_condition): Use it if !HONOR_NANS.
3254 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3256         PR middle-end/90139
3257         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3258         assign_temp instead of gen_reg_rtx.
3260 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3262         PR translation/90118
3263         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3264         Add missing space before %<.
3266 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3268         PR rtl-optimization/87871
3269         * ira-lives.c (make_object_dead): Don't add conflicts to
3270         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3272 2019-04-18  Martin Sebor  <msebor@redhat.com>
3274         PR middle-end/89797
3275         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3276         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3277         assuming type size fits in SHWI.
3279 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3281         PR ipa/85051
3282         * ipa-inline.c (flatten_function): New parameter UPDATE.
3283         (ipa_inline, early_inliner): Use it.
3285 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3287         * fold-const.c (int_const_binop): Return early on failure.
3289 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3291         PR middle-end/85164
3292         * combine.c (force_int_to_mode): Cast the argument rather than
3293         the result of known_alignment.
3294         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3296 2019-04-18  Richard Biener  <rguenther@suse.de>
3298         PR debug/90131
3299         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3300         out from ...
3301         (remove_forwarder_block): ... here.
3302         (remove_forwarder_block_with_phi): Also move debug stmts here.
3304 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3306         PR translation/79183
3307         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3308         inform where appropriate.
3310 2019-04-18  Richard Biener  <rguenther@suse.de>
3312         * tree.c (get_qualified_type): Put found type variants at the
3313         head of the variant list.
3315 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3317         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3319 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3321         PR target/90125
3322         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3323         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3324         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3325         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3326         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3328 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3330         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3331         even for allocno's with no conflicts.
3332         (print_conflicts): Print an extra newline.
3334 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3336         * auto-inc-dec.c (attempt_change): Set the alignment of the
3337         temporary memory to that of the original.
3339 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3341         * targhooks.c (default_print_patchable_function_entry): Emit
3342         __patchable_function_entries section with writable flags to allow
3343         relocation resolution.
3345 2019-04-17  Jonny Grant  <jg@jguk.org>
3347         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3349 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3351         PR middle-end/90095
3352         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3353         on lowpart SUBREGs.
3355 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3357         * config/arc/arc.c (arc_init): Format diagnostic string.
3358         (arc_override_options): Likewise.
3359         (check_if_valid_regno_const): Likewise.
3360         (arc_reorg): Likewise.
3362 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3364         PR target/17108
3365         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3366         name.
3367         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3368         name.
3369         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3370         (*movdi_update1): Use Pmode.
3371         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3372         (movdi_<mode>_update_stack): Rename to ...
3373         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3374         use Pmode.
3375         (*movsi_update1): Use Pmode.
3376         (*movsi_update2): Use Pmode.
3377         (movsi_update): Rename to ...
3378         (movsi_<mode>_update): ... this.  Use Pmode.
3379         (movsi_update_stack): Fix condition.
3380         (*movhi_update1): Use Pmode.  Fix argument to
3381         avoiding_indexed_address_p.
3382         (*movhi_update2): Ditto.
3383         (*movhi_update3): Ditto.
3384         (*movhi_update4): Ditto.
3385         (*movqi_update1): Ditto.
3386         (*movqi_update2): Ditto.
3387         (*movqi_update3): Ditto.
3388         (*movsf_update1, *movdf_update1): Merge, rename to...
3389         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3390         avoiding_indexed_address_p.  Add "size" attribute.
3391         (*movsf_update2, *movdf_update2): Merge, rename to...
3392         (*mov<mode>_update2): This.  Ditto.
3393         (*movsf_update3): Use Pmode.  Fix argument to
3394         avoiding_indexed_address_p.
3395         (*movsf_update4): Ditto.
3396         (allocate_stack): Simplify condition.  Adjust pattern names.
3398 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3400         PR target/89093
3401         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3402         whitespace at the start of target attribute string.
3404 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3406         PR target/84369
3407         * config/rs6000/power9.md: Add store forwarding bypass.
3409 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3411         PR debug/89528
3412         * valtrack.c (dead_debug_insert_temp): Reset debug references
3413         to the return value of a call being removed.
3415 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3417         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3418         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3419         implement target hook.
3420         (arc_memory_move_cost): New function.
3421         (TARGET_REGISTER_MOVE_COST): Define.
3422         (TARGET_MEMORY_MOVE_COST): Likewise.
3423         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3424         (MEMORY_MOVE_COST): Likewise.
3426 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3428         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3429         (sibcall_value_insn): Likewise.
3430         * config/arc/constraints.md (Rs5): Remove.
3432 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3434         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3435         for last two fake registers.
3436         (arc_conditional_register_usage): Make sure fake frame and arg
3437         pointer regs are in general regs class.
3438         (FRAME_POINTER_MASK): Remove.
3439         (RETURN_ADDR_MASK): Remove.
3440         (arc_must_save_register): Use hard frame regnum.
3441         (frame_restore_reg): Use hard_frame_pointer_rtx.
3442         (arc_save_callee_saves): Likewise.
3443         (arc_restore_callee_saves): Likewise.
3444         (arc_save_callee_enter): Likewise.
3445         (arc_restore_callee_leave): Likewise.
3446         (arc_save_callee_milli): Likewise.
3447         (arc_eh_return_address_location): Likewise.
3448         (arc_check_multi): Use hard frame regnum.
3449         (arc_can_eliminate): Likewise.
3450         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3451         for register allocator.
3452         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3453         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3454         (FRAME_POINTER_REGNUM): Change it to a fake register.
3455         (HARD_FRAME_POINTER_REGNUM): Defined.
3456         (ARG_POINTER_REGNUM): Change it to a new fake register.
3457         (ELIMINABLE_REGS): Update.
3458         (REGISTER_NAMES): Update names.
3459         * config/arc/arc.md (LP_START): Remove.
3460         (LP_END): Likewise.
3461         (shift_si3_loop): Update pattern.
3463 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3465         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3466         to avoid delay slot scheduling.
3467         (arc_must_save_register): Don't save SP.
3468         * config/arc/arc.md (stack_tie): Remove.
3469         (UNSPEC_ARC_STKTIE): Likewise.
3471 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3472             Shiva Chen  <shiva0217@gmail.com>
3474         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3475         code gen with large shift amount.
3477 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3479         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3480         subreg.
3482 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3484         PR target/90096
3485         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3486         print -m64/-mx32/-m32 if it is true.
3487         (ix86_debug_options, ix86_function_specific_print): Pass true as
3488         ADD_ABI_P to ix86_target_string.
3489         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3490         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3491         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3493         PR rtl-optimization/90082
3494         * dce.c (can_delete_call): New function.
3495         (deletable_insn_p, mark_insn): Use it.
3497         PR tree-optimization/90090
3498         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3499         throw internally.
3500         (is_division_by_square): Likewise.  Formatting fix.
3502 2019-04-16  Richard Biener  <rguenther@suse.de>
3504         PR tree-optimization/56049
3505         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3506         equality check if alias-set zero will prevail.
3508 2019-04-15  Jeff Law  <law@redhat.com>
3510         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3511         size and alignment as unsigned.
3513 2019-04-15  Richard Biener  <rguenther@suse.de>
3515         PR debug/90074
3516         * tree-loop-distribution.c (destroy_loop): Preserve correct
3517         debug info.
3519 2019-04-15  Richard Biener  <rguenther@suse.de>
3521         PR tree-optimization/90071
3522         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3523         abnormal operands from def stmts.
3525 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3527         PR rtl-optimization/89794
3528         * combine.c (count_auto_inc): New function.
3529         (try_combine): Count how many auto_inc expressions there were in the
3530         original instructions.  Ensure we have the same number in the new
3531         instructions.  Remove the code that tried to ensure auto_inc side
3532         effects on i1 and i0 are not lost.
3534 2019-04-15  Richard Biener  <rguenther@suse.de>
3536         PR ipa/88936
3537         * tree.h (auto_var_p): Declare.
3538         * tree.c (auto_var_p): New function, split out from ...
3539         (auto_var_in_fn_p): ... here.
3540         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3541         member.
3542         (new_var_info): Initialize it.
3543         (set_uids_in_ptset): Also set the shadow variable uid if required.
3544         (ipa_pta_execute): Postprocess points-to solutions assigning
3545         shadow variable uids for locals that may reach their containing
3546         function recursively.
3547         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3548         assert but instead check whether the points-to solution is
3549         a singleton.
3551 2019-04-15  Martin Jambor  <mjambor@suse.cz>
3553         PR ipa/pr89693
3554         * cgraph.c (clone_of_p): Loop over clone chain for each step in
3555         the thunk chain.
3557 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3559         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3561 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3562             Kito Cheng  <kito.cheng@gmail.com>
3563             Shiva Chen  <shiva0217@gmail.com>
3565         * config/nds32/nds32-md-auxiliary.c
3566         (nds32_legitimize_pic_address): Use new PIC pattern.
3567         (nds32_legitimize_tls_address): Use new TLS pattern.
3568         (nds32_output_symrel): New.
3569         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3570         (nds32_alloc_relax_group_id): Ditto.
3571         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3572         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3573         relax_group_id.
3574         (nds32_group_tls_insn): Ditto.
3575         (nds32_group_float_insns): Ditto.
3576         * config/nds32/nds32.md (tls_le): New.
3577         (sym_got): Ditto.
3579 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
3581         * configure: Add nds32 target for dwarf2 debug_line checking.
3582         * configure.ac: Regenerated.
3584 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
3586         PR lto/89358
3587         * ipa-devirt.c (skip_in_fields_list_p): New.
3588         (odr_types_equivalent_p): Use it.
3590 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
3592         PR target/89093
3593         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3594         instead of strncmp when checking for thumb and arm.  Formatting fixes.
3596 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
3598         * doc/install.texi: Document --with-target-system-zlib.
3600 2019-04-12  Martin Sebor  <msebor@redhat.com>
3602         PR c/88383
3603         PR c/89288
3604         PR c/89798
3605         PR c/89797
3606         * targhooks.c (default_vector_alignment): Avoid assuming
3607         argument fits in SHWI.
3608         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3609         a shift expression.
3610         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3612 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3614         PR rtl-optimization/89965
3615         * dce.c: Include rtl-iter.h.
3616         (struct check_argument_load_data): New type.
3617         (check_argument_load): New function.
3618         (find_call_stack_args): Check for loads from stack slots still tracked
3619         in sp_bytes and punt if any is found.
3621         * config/mips/loongson-mmiintrin.h: Fix up #error message.
3623 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
3625         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3626         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3628 2019-04-12  Martin Liska  <mliska@suse.cz>
3630         PR middle-end/89970
3631         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3632         in error message.
3633         (separate_attrs): Handle multiple 'default's.
3634         (expand_target_clones): Rework error handling code.
3636 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3638         PR target/87532
3639         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3640         mode of vector rather than mode of destination for move instruction.
3641         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3642         Use QI inner mode with V16QI vector mode.
3644 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3646         PR target/52726
3647         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3648         "invalid %%t operand" in output_operand_lossage message.
3650 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3652         * config/s390/predicates.md (permute_pattern_operand): New
3653         predicate.
3654         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3655         operand for the permute pattern.
3656         ("*vec_perm<mode>"): New insn definition.
3657         ("bswap<mode>"): Generate the permute pattern operand in the
3658         expander and perform the operand reloads for pre arch13 level
3659         already.
3660         ("*bswap<mode>_emu"): Rename to ...
3661         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3662         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3663         Add the USE operand for the permute pattern.
3664         ("*vec_set_bswap_vec<mode>"): Likewise.
3666 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3668         PR c/89946
3669         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3670         and gcc_unreachable if it fails, just call tree_to_uhwi which
3671         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3672         Start warning message with a lower-case letter.  Formatting fixes.
3674         PR rtl-optimization/90026
3675         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3676         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3677         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3678         in cfglayout mode, use emit_barrier_after_bb.
3680 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3682         PR rtl-optimization/87763
3683         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3684         New Instruction.
3686 2019-04-11  Tom de Vries  <tdevries@suse.de>
3688         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3689         max macro using statement expression.
3691 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3693         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3694         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3695         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3696         read_only_private_data_section using xcoff_private_rodata_section_name.
3697         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3699 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3701         PR target/90016
3702         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3704 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3706         PR rtl-optimization/89965
3707         * dce.c (sp_based_mem_offset): New function.
3708         (find_call_stack_args): Use sp_based_mem_offset.
3710 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3712         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3714 2019-04-11  Richard Biener  <rguenther@suse.de>
3716         PR tree-optimization/90020
3717         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3718         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3719         * tree-ssa-pre.c (compute_avail): Use it to not put
3720         possibly trapping references after a call that might not
3721         return into EXP_GEN.
3722         * gcse.c (compute_hash_table_work): Do not elide
3723         marking a block containing a call if the call might not
3724         return.
3726 2019-04-11  Richard Biener  <rguenther@suse.de>
3728         PR tree-optimization/90018
3729         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3730         Test both SLP and interleaving variants.
3732 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3734         * config/s390/8561.md: New file.
3735         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3736         Add arch13 cpu model.
3737         * config/s390/s390-opts.h (enum processor_type): Likewise.
3738         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3739         (s390_get_unit_mask): Likewise.
3740         (s390_is_fpd): Likewise.
3741         (s390_is_fxd): Likewise.
3742         * config/s390/s390.h (s390_tune_attr): Likewise.
3743         * config/s390/s390.md: Include arch13 pipeline description.
3744         * config/s390/s390.opt: Add arch13.
3746 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3748         PR rtl-optimization/87763
3749         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3750         New prototype.
3751         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3752         New function.
3753         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3754         New instruction.
3755         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3756         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3757         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3758         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3760 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3762         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3763         "Although" in -fipa-icf documentation.
3765         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3766         of using multiple -g options.
3768 2019-04-10  Martin Liska  <mliska@suse.cz>
3770         PR gcov-profile/89959
3771         * doc/gcov.texi: Make documentation of -x option
3772         more precise.
3774 2019-04-10  Richard Biener  <rguenther@suse.de>
3776         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3777         member.
3778         (DR_GROUP_SAME_DR_STMT): Remove.
3779         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3780         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3781         replace with assert.
3782         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3783         (vect_record_grouped_load_vectors): Remove unreachable code.
3785 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3787         PR target/90016
3788         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3789         obsolete reference to N.
3791 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3793         PR middle-end/90025
3794         * expr.c (store_expr): Set properly size on the MEM passed to
3795         clear_storage.
3797         PR c++/90010
3798         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3799         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3800         translation is needed, and when translation is needed, only append
3801         ... if the string length is hostsz or more bytes long.  Avoid using
3802         strncpy or strcat.
3804 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3806         PR target/90024
3807         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3808         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3809         into three.
3810         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3811         differences directly.
3812         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3814 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3816         PR translation/90011
3817         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3818         from diagnostics.
3819         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3820         diagnostics.
3821         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3822         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3823         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3824         trailing space from -gsplit-dwarf diagnostics.
3826         PR tree-optimization/89998
3827         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3828         instead of integer_type_node if possible, don't add ranges if return
3829         type is not compatible with int.
3830         * gimple-fold.c (gimple_fold_builtin_sprintf,
3831         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3832         integer_type_node.
3834 2019-04-09  Martin Liska  <mliska@suse.cz>
3836         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3837         * doc/install.texi: Document the new config.
3839 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3841         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3842         use gimple_expr_type for load and store calls.  Skip over the
3843         condition argument in a conditional internal function.
3844         Protect use of TREE_INT_CST_LOW.
3846 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3848         PR target/90015
3849         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3850         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3851         trailing period from it too.
3853 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3855         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3856         * config/aarch64/aarch64.md : Add "tsv110.md"
3857         * config/aarch64/tsv110.md: New file.
3859 2019-04-08  Richard Biener  <rguenther@suse.de>
3861         PR tree-optimization/90006
3862         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3863         calls like lrint.
3865 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3867         PR target/83033
3868         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3869         construction.
3870         (fma_root_node): Likewise.
3871         (func_fma_steering): Likewise.
3873 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3875         PR rtl-optimization/89865
3876         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3878         PR rtl-optimization/89865
3879         * config/i386/i386.md
3880         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3881         numbers not to clash with the additional operands[4].
3882         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3883         with extra register copy in the middle.
3885 2019-04-08  Martin Liska  <mliska@suse.cz>
3887         PR gcov-profile/89961
3888         * doc/gcov.texi: Document data_file.
3889         * gcov.c (generate_results): Add data_info into JSON output.
3891 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3893         PR tree-optimization/89725
3894         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3895         loop's chrec as invariant symbol.
3896         * tree-chrec.h (chrec_contains_symbols): New parameter.
3897         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3898         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3899         function of loops not in DDR's loop_nest.
3900         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3902 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3904         PR target/89623
3905         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3906         Mask.
3908 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3910         PR target/89945
3911         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3912         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3914 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3916         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3917         targetm.fixed_condition_code_regs.
3919 2019-04-05  Richard Biener  <rguenther@suse.de>
3921         PR debug/89892
3922         PR debug/89905
3923         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3924         debug bind stmts but reset them if they are not valid at the
3925         destination.
3927 2019-04-05  Martin Liska  <mliska@suse.cz>
3929         PR translation/89936
3930         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3931         order to wrap keywords or arguments.
3932         * collect2.c (main): Likewise.
3933         (scan_prog_file): Likewise.
3934         (scan_libraries): Likewise.
3935         * common/config/riscv/riscv-common.c
3936         (riscv_subset_list::parsing_subset_version): Likewise.
3937         (riscv_subset_list::parse_std_ext): Likewise.
3938         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3939         Likewise.
3940         * config/arm/arm.c (arm_option_override): Likewise.
3941         * config/cris/cris.c (cris_print_operand): Likewise.
3942         * config/darwin-c.c (darwin_pragma_options): Likewise.
3943         (darwin_pragma_unused): Likewise.
3944         (darwin_pragma_ms_struct): Likewise.
3945         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3946         * config/i386/i386.c (print_reg): Likewise.
3947         (ix86_print_operand): Likewise.
3948         * config/i386/xm-djgpp.h: Likewise.
3949         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3950         * config/m32c/m32c.c (m32c_option_override): Likewise.
3951         * config/msp430/msp430.c (msp430_option_override): Likewise.
3952         * config/nds32/nds32.c (nds32_option_override): Likewise.
3953         * config/nvptx/mkoffload.c (main): Likewise.
3954         * config/rx/rx.c (rx_print_operand): Likewise.
3955         (valid_psw_flag): Likewise.
3956         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3957         (vms_pragma_nomember_alignment): Likewise.
3958         (vms_pragma_extern_model): Likewise.
3959         * lto-wrapper.c (compile_offload_image): Likewise.
3960         * omp-offload.c (oacc_parse_default_dims): Likewise.
3961         * symtab.c (symtab_node::verify_base): Likewise.
3962         * tlink.c (recompile_files): Likewise.
3963         (start_tweaking): Likewise.
3964         * tree-profile.c (parse_profile_filter): Likewise.
3966 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3968         PR tree-optimization/89956
3969         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3970         multiple negates of the same value.
3972 2019-04-04  Martin Sebor  <msebor@redhat.com>
3974         PR middle-end/89957
3975         PR middle-end/89911
3976         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3977         have the same precision since the function crashes otherwise.
3978         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3979         has non-zero arguments.
3981 2019-04-04  Martin Sebor  <msebor@redhat.com>
3983         PR middle-end/89934
3984         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3985         out if the number of arguments is less than expected.
3987 2019-04-04  Jeff Law  <law@redhat.com>
3989         PR rtl-optimization/89399
3990         * ree.c (combine_set_extension): Use single_set rather than
3991         digging into PATTERN for items on the candidate list.
3992         (combine_reaching_defs): Likewise.
3994 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3996         PR rtl-optimization/46590
3997         * loop-invariant.c (find_defs): Move df_remove_problem and
3998         df_process_deferred_rescans to move_invariants.
3999         Move df_live_add_problem and df_live_set_all_dirty calls
4000         to move_invariants.
4001         (move_invariants): Likewise.
4002         (move_loop_invariants): Likewise, making the df_live calls
4003         conditional on -O.  Remove the problem again if we added it
4004         locally.
4006 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4008         PR tree-optimization/89730
4009         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4010         -flive-patching=inline-only-static.
4011         (can_inline_edge_by_limits_p): Add the checking for
4012         -flive-patching=inline-only-static and grant always_inline
4013         even when -flive-patching=inline-only-static is specified.
4015 2019-04-03  Jeff Law  <law@redhat.com>
4017         PR rtl-optimization/81025
4018         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4020 2019-04-03  Richard Biener  <rguenther@suse.de>
4022         PR tree-optimization/84101
4023         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4024         regs.h for hard_regno_nregs.
4025         (cfun_returns): New helper.
4026         (vect_model_store_cost): When vectorizing a store to a decl
4027         we return and the function ABI returns in a multi-reg location
4028         account for the possible spilling that will happen.
4030 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4032         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4033         displacement addresses for vector mode operands.
4035 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4037         * config/arc/arc.c (GMASK_LEN): Define.
4038         (arc_restore_callee_saves): Restore first blink when
4039         !optimize_size.
4041 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4043         * doc/extend.texi: Add deprecated comment on sign-return-address
4044         function attribute and add mbranch-protection.
4045         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4047 2019-04-03  Richard Biener  <rguenther@suse.de>
4049         PR lto/89896
4050         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4051         the all target phony.
4053 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4055         PR target/89902
4056         PR target/89903
4057         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4058         Return false for variable DImode shifts.
4059         (dimode_scalar_chain::compute_convert_gain): Do not handle
4060         register count operand in variable DImode shifts.
4061         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4062         count argument of a variable shift instruction to a vector register.
4063         (dimode_scalar_chain::convert_reg): Remove support to convert
4064         count argument of a variable shift instruction.
4066 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4068         PR rtl-optimization/84206
4069         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4070         iterating over loop headers.
4072 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4074         PR rtl-optimization/85876
4075         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4076         beyond the original fence.
4078 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4080         * config.gcc: Mark spu* targets as deprecated/obsolete.
4082 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4084         * config/s390/s390-builtin-types.def: New builtin function type
4085         definitions. Remove unused types.
4086         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4087         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4088         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4089         overloaded builtins.
4090         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4091         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4092         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4093         (vec_double, vec_signed, vec_unsigned): Define to use the new
4094         overloaded builtins.
4095         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4096         Remove expanders.
4098 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4100         * config/s390/s390-builtin-types.def: New builtin function type
4101         definitions.
4102         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4103         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4104         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4105         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4106         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4107         constant definitions.
4108         * config/s390/vecintrin.h (vec_search_string_cc)
4109         (vec_search_string_until_zero_cc): New builtin name definitions.
4110         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4111         expanders.
4112         ("vec_vstrs<mode>"): New insn definition.
4114 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4116         * config/s390/s390-builtin-types.def: Add new builtin function
4117         types.
4118         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4119         New overloaded builtins.
4120         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4121         s390_vsrd.
4122         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4123         (UNSPEC_VEC_SLDBYTE): ... this.
4124         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4125         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4126         definitions.
4127         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4128         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4129         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4131 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4133         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4134         New insn definition.
4135         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4136         * config/s390/vector.md (V_HW_HSD): ... here.
4138 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4140         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4141         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4142         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4143         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4144         New insn definitions.
4146 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4148         * config/s390/s390-builtin-types.def: Add new builtin function type.
4149         * config/s390/s390-builtins.def: Add overloaded builtin
4150         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4151         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4152         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4153         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4154         ("eltswap<mode>"): New expander.
4155         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4156         insn definitions.
4158 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4160         * config/s390/s390-builtin-types.def: Add new builtin function types.
4161         * config/s390/s390-builtins.def: Add overloaded builtin
4162         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4163         instructions.
4164         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4165         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4166         ("bswap<mode>"): New expander.
4167         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4169 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4171         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4172         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4173         vector builtin version number in __VEC__.
4175 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4177         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4178         iterators.
4179         (SFSI): New mode attribute.
4180         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4181         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4182         rename to ...
4183         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4184         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4185         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4186         ("floatsi<mode>2"): Add wcefb instruction.
4188 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4190         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4191         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4192         mode iterators.
4193         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4194         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4195         support 32 bit fp-int conversions. Rename to ...
4196         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4197         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4198         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4199         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4200         ... to these.
4202 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4204         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4205         if-then-else constructs if we can use the select instruction.
4206         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4208 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4210         * config/s390/s390.md ("*popcountdi_arch13_cc")
4211         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4212         definition.
4213         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4214         Append _z196 to make it ...
4215         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4216         ("popcounthi2_z196"): ... this.
4217         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4218         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4220 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4222         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4223         certain compares for arch13 in order to make use of the condition
4224         code result produced by the new instructions.
4225         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4226         nxrk, and nxgrk instruction patterns.
4227         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4228         (inv_no): Add new code iterator together with some attributes.
4229         ("*andc_split_<mode>"): Disable splitter for arch13.
4230         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4231         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4232         ("*<ANDOR:bitops_name>c<GPR:mode>")
4233         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4234         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4235         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4236         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4238 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4240         * common/config/s390/s390-common.c (processor_flags_table): New
4241         entry for arch13.
4242         * config.gcc: Support arch13 with the --with-arch= configure flag.
4243         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4244         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4245         * config/s390/s390.c (s390_get_sched_attrmask)
4246         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4247         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4248         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4249         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4250         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4251         definitions.
4252         * config/s390/s390.opt: Support arch13 as processor type in
4253         command line options.
4255 2019-04-02  Martin Liska  <mliska@suse.cz>
4257         PR translation/89912
4258         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4259         Fix param description of graphite-max-arrays-per-scop.
4261 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4263         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4264         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4265         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4267 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4269         PR rtl-optimization/85412
4270         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4271         sel_sched_region_1, not after.
4273 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4275         PR rtl-optimization/86928
4276         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4277         compute_live if necessary.
4278         (sel_redirect_edge_and_branch): Likewise.
4280 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4282         PR rtl-optimization/89865
4283         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4284         register if it is a part of small class.
4286 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4288         PR rtl-optimization/87273
4289         * sel-sched-ir.c (merge_fences): Remove assert.
4291 2019-04-01  Richard Biener  <rguenther@suse.de>
4293         PR tree-optimization/46590
4294         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4295         (dom_walker::m_reachability): Add in place of...
4296         (dom_walker::m_skip_unreachable_blocks): ...this.
4297         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4298         Move complex initialization ...
4299         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4300         lazily and initialize edge flags on each invocation.
4301         (dom_walker::bb_reachable): Use m_reachability.
4303 2019-04-01  Martin Liska  <mliska@suse.cz>
4305         PR driver/89861
4306         * opt-suggestions.c (option_proposer::build_option_suggestions):
4307         Add variant without any argument in order to provide better
4308         hints.
4310 2019-04-01  Richard Biener  <rguenther@suse.de>
4312         PR c/71598
4313         * gimple.c: Include langhooks.h.
4314         (gimple_get_alias_set): Treat enumeral types as the underlying
4315         integer type.
4317 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4318             Eric Botcazou  <ebotcazou@adacore.com>
4320         PR rtl-optimization/89862
4321         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4322         that operates on the full registers for WORD_REGISTER_OPERATIONS
4323         architectures.
4325 2019-03-29  Jim Wilson  <jimw@sifive.com>
4327         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4328         Clear MASK_RVC and then set if C subset supported.
4330 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4332         PR c/89872
4333         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4334         non-addressable complit into its initializer if it is volatile.
4336 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4338         * opts-common.c (integral_argument): Set errno properly in one case.
4340 2019-03-29  Martin Liska  <mliska@suse.cz>
4342         * doc/invoke.texi: Remove -Wchkp from documentation.
4344 2019-03-29  Martin Liska  <mliska@suse.cz>
4346         * dbgcnt.c (print_limit_reach): New function.
4347         (dbg_cnt): Use it.
4349 2019-03-29  Martin Liska  <mliska@suse.cz>
4351         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4352         (dbg_cnt_process_opt): Parse first tokens aas
4353         dbg_cnt_process_single_pair is also using strtok.
4355 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4357         PR rtl-optimization/87485
4358         * function.c (expand_function_end): Move stack_protect_epilogue
4359         before loading of return value into hard register(s).
4361 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4363         PR middle-end/89621
4364         * tree-inline.h (struct copy_body_data): Add
4365         dont_remap_vla_if_no_change flag.
4366         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4367         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4368         and remap_type_2 returns false.
4369         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4370         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4371         only from where it is copied to nested contexts.
4373 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4375         PR target/89865
4376         * config/i386/i386.md (RMW operation with LEA peephole):
4377         Use LEAMODE mode attribute instead of SWI mode iterator for
4378         LEA pattern.
4380 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4382         PR target/89848
4383         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4384         Also process XEXP (src, 0) of a shift insn.
4386 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4388         PR middle-end/89725
4389         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4390         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4392 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4394         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4395         test.
4396         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4397         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4398         immediately after first one with df_analyze in between, but rather
4399         process all bbs, queueing ones that need second pass in a worklist,
4400         df_analyze, process queued debug insn changes and if second pass is
4401         needed, process bbs from worklist, df_analyze, process queued debug
4402         insns again.
4404         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4405         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4406         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4408 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4410         PR c/79022
4411         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4412         definition.
4414 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4416         PR target/85667
4417         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4418         function for 32-bit MS_ABI.
4419         (function_value_ms_32): New function.
4421 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4423         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4424         (movdi): Call gen_movdi_symbol_save_scc.
4425         (gen_movdi_symbol_save_scc): New insn and split.
4427 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4429         PR rtl-optimization/89313
4430         * function.c (matching_constraint_num): New static function.
4431         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4432         Don't replace inputs with non-matching constraints which conflict
4433         with early clobber outputs.
4435 2019-03-27  Jeff Law  <law@redhat.com>
4438         PR rtl-optimization/87761
4439         PR rtl-optimization/89826
4440         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4441         slightly later.
4442         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4443         note problem to get REG_DEAD/REG_UNUSED notes updated.
4445 2019-03-27  Richard Biener  <rguenther@suse.de>
4447         PR tree-optimization/89463
4448         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4449         queue edges to remove.
4450         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4451         dead stmts.  Delay edge removal until PHIs are removed to
4452         make debug-stmt creation not confused by seemingly degenerate
4453         PHIs.
4455 2019-03-27  Alan Modra  <amodra@gmail.com>
4457         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4458         throughout file.
4459         * config/rs6000/darwin.h: Likewise.
4460         * config/rs6000/rs6000.c: Likewise.
4462 2019-03-27  Alan Modra  <amodra@gmail.com>
4464         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4465         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4467 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4468             Jim Wilson  <jimw@sifive.com>
4470         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4471         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4472         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4473         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4474         (generic_alu): Add auipc to type list.
4475         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4476         (riscv_microarchitecture): Declare.
4477         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4478         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4479         field.
4480         (riscv_microarchitecture): New.
4481         (sifive_7_tune_info): New.
4482         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4483         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4484         entries.
4485         (riscv_store_data_bypass_p): New.
4486         (riscv_option_override): Set riscv_microarchitecture from
4487         cpu->microarchitecture.
4488         * config/riscv/riscv.md: Include sifive-7.md.
4489         (type): Add auipc.
4490         (tune): New.
4491         (auipc<mode>): Change type to auipc.
4492         (restore_stack_nonlocal): New.
4493         * config/riscv/sifive-7.md: New.
4494         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4496 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4498         PR target/89827
4499         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4500         Also process XEXP (src, 0) of a shift insn.
4502 2019-03-26  Richard Biener  <rguenther@suse.de>
4504         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4505         (copy_debug_stmt): Likewise.
4506         (expand_call_inline): Likewise.
4507         (copy_bb): Avoid redundant lookup & set of gimple_block.
4508         * gimple-low.c (lower_gimple_return): Likewise.
4509         (lower_builtin_setjmp): Likewise.
4511 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4513         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4514         is constant 0, turn into static const data member initialized to false.
4515         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4516         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4518 2019-03-26  Jason Merrill  <jason@redhat.com>
4519             Jakub Jelinek  <jakub@redhat.com>
4521         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4522         method.
4523         (mem_alloc_description::release_object_overhead): Fix comment typos.
4524         * hash-table.h (hash_table::~hash_table): Call
4525         release_instance_overhead only if m_entries is non-NULL, otherwise
4526         call unregister_descriptor.
4528 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4530         PR tree-optimization/81740
4531         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4532         In case of outer loop vectorization, check for backward dependence
4533         at the inner loop if outer loop dependence is reversed.
4535 2019-03-26  Alan Modra  <amodra@gmail.com>
4537         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4538         rs6000_vector_mem init.  Correct wI and wJ comment.
4540 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
4542         PR rtl-optimization/88347
4543         PR rtl-optimization/88423
4544         * sched-deps.c (sched_analyze_insn): Take into account that for
4545         tablejumps the barrier appears after a label and a jump_table_data.
4547 2019-03-25  Martin Sebor  <msebor@redhat.com>
4549         PR c/89812
4550         * c-common.c (check_user_alignment): Rename local.  Correct maximum
4551         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
4552         convert it to UHWI when it fits.
4554 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
4556         PR debug/86964
4557         * dwarf2out.c (premark_used_variables): New function.
4558         (prune_unused_types_walk): Do not mark not premarked external
4559         variables.
4560         (prune_unused_types): Call premark_used_variables.
4562 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
4564         PR rtl-optimization/89676
4565         * lra-constraints.c (curr_insn_transform): Do match reload for
4566         early clobbers when the match was successful only for different
4567         registers.
4569 2019-03-25  Martin Sebor  <msebor@redhat.com>
4571         * doc/extend.texi (Common Type Attributes): Document vector_size.
4572         (Common Variable Attributes): Mention size constraint.  Correct
4573         quoting and typos.
4574         (Vector Extensions): Use @dfn when defining bas type.  Clarify
4575         base type and size constraints.
4577 2019-03-25  Richard Biener  <rguenther@suse.de>
4579         PR tree-optimization/89789
4580         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4581         changes from non-undefined back to undefined.
4583 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
4585         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4586         heap string and a gc string, but since this variable is unknown to
4587         ggc the gc string might get reused and corrupted. Fixed by always
4588         using a heap string.
4590 2019-03-25  Richard Biener  <rguenther@suse.de>
4592         PR tree-optimization/89779
4593         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4594         to remove IV defs, delay actual removal.
4595         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
4596         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4597         very end, properly also reset loop control IV information.
4599 2019-03-25  Richard Biener  <rguenther@suse.de>
4601         PR tree-optimization/89802
4602         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4603         move EH data to folded stmt.
4605 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4607         * config/s390/s390-builtin-types.def: Remove few unused types and
4608         fix sort order for others.
4610 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4612         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4613         expected and found types with -mdebug during builtin matching.
4615 2019-03-25  Richard Biener  <rguenther@suse.de>
4617         PR middle-end/89790
4618         * fold-const.c (operand_equal_p): Revert last change with
4619         updated comment.
4621 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
4623         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4624         notes for the result of the __tls_get_addr calls.
4625         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4627 2019-03-24  Jeff Law  <law@redhat.com>
4629         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4631         PR rtl-optimization/87761
4632         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4633         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
4634         as needed.
4635         (pass_cprop_hardreg::execute): Add df note problem and defer insn
4636         rescans.  Reprocess blocks as needed, calling df_analyze before
4637         reprocessing.  Always call df_analyze before fixing up debug bind
4638         insns.
4640 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
4642         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4643         big endian.
4645 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4647         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4648         attrribute for uxtw.
4650 2019-03-26  Jeff Law  <law@redhat.com>
4652         PR rtl-optimization/87761
4653         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4654         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4655         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4656         into the next instruction.
4657         (mips_split_move_insn): Pass INSN through to mips_split_move.
4659 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4661         PR rtl-optimization/89676
4662         * lra-constraints.c (curr_insn_transform): Do match reload for
4663         early clobbers even if the match was successful.
4665 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4667         PR c++/87481
4668         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4670 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4672         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4674 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4676         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4677         <avx512>_fmsub_<mode>_mask3<round_name>,
4678         <avx512>_fnmadd_<mode>_mask3<round_name>,
4679         <avx512>_fnmsub_<mode>_mask3<round_name>,
4680         avx512f_vmfmadd_<mode>_mask3<round_name>,
4681         avx512f_vmfmsub_<mode>_mask3<round_name>,
4682         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4683         instead of register_operand and %v instead of v for match_operand 1.
4684         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4685         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4686         <round_nimm_predicate> instead of register_operand and %v instead of v
4687         for match_operand 1.
4689         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4690         <avx512>_fmadd_<mode>_mask3<round_name>,
4691         <avx512>_fmsub_<mode>_mask<round_name>,
4692         <avx512>_fmsub_<mode>_mask3<round_name>,
4693         <avx512>_fnmadd_<mode>_mask<round_name>,
4694         <avx512>_fnmadd_<mode>_mask3<round_name>,
4695         <avx512>_fnmsub_<mode>_mask<round_name>,
4696         <avx512>_fnmsub_<mode>_mask3<round_name>,
4697         <avx512>_fmaddsub_<mode>_mask<round_name>,
4698         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4699         <avx512>_fmsubadd_<mode>_mask<round_name>,
4700         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4701         <round_nimm_predicate> instead of nonimmediate_operand.
4702         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4703         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4704         Use register_operand instead of <round_nimm_predicate> for the
4705         operand that needs to match output.
4706         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4707         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4708         Likewise.  Formatting fixes.
4710         PR target/89784
4711         * config/i386/i386.c (enum ix86_builtins): Remove
4712         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4713         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4714         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4715         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4716         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4717         __builtin_ia32_vfmsubss3_mask3): New builtins.
4718         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4719         avx512f_vmfmadd_<mode>_mask3<round_name>,
4720         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4721         *avx512f_vmfmsub_<mode>_mask<round_name>,
4722         avx512f_vmfmsub_<mode>_mask3<round_name>,
4723         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4724         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4725         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4726         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4727         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4728         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4729         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4730         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4731         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4732         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4733         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4734         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4735         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4736         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4737         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4738         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4739         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4740         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4741         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4742         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4743         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4744         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4745         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4746         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4747         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4748         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4749         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4750         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4752 2019-03-21  Martin Sebor  <msebor@redhat.com>
4754         PR tree-optimization/89350
4755         * builtins.c (compute_objsize): Also ignore offsets whose upper
4756         bound is negative.
4757         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4758         (builtin_memref::builtin_memref): Initialize new member.
4759         Allow EXPR to be null.
4760         (builtin_memref::extend_offset_range): Replace local with a member.
4761         Avoid assuming pointer offsets are unsigned.
4762         (builtin_memref::set_base_and_offset): Determine base object
4763         before computing offset range.
4764         (builtin_access::builtin_access): Handle memset.
4765         (builtin_access::generic_overlap): Replace local with a member.
4766         (builtin_access::strcat_overlap): Same.
4767         (builtin_access::overlap): Same.
4768         (maybe_diag_overlap): Same.
4769         (maybe_diag_access_bounds): Same.
4770         (wrestrict_dom_walker::check_call): Handle memset.
4771         (check_bounds_or_overlap): Same.
4773 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4774             Jakub Jelinek  <jakub@redhat.com>
4776         PR lto/89692
4777         * tree.c (fld_type_variant, fld_incomplete_type_of,
4778         fld_process_array_type): Call fld->pset.add and don't call
4779         add_tree_to_fld_list if it returns true.
4780         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4781         non-marked types from TYPE_NEXT_VARIANT list.
4782         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4784 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4786         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4787         to false, if true, don't alloc_entries during construction, but defer
4788         it to the first method that needs m_entries allocated.
4789         (hash_table::hash_table, hash_table::~hash_table,
4790         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4791         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4792         hash_table::clear_slot, hash_table::traverse_noresize,
4793         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4794         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4795         false.
4796         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4797         NO_INSERT instead of find_with_hash.
4798         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4799         hash_set::m_table): Add Lazy to template params of hash_table.
4800         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4801         * attribs.c (test_attribute_exclusions): Likewise.
4802         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4803         hash_set.  Add tests for hash_set with Lazy = true.
4805 2019-03-21  Richard Biener  <rguenther@suse.de>
4807         PR tree-optimization/89779
4808         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4809         checks with respect to released SSA names now having error_mark_node
4810         type.
4811         * fold-const.c (operand_equal_p): Likewise.
4813 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4815         PR target/89775
4816         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4817         available to ...
4818         (s390_optimize_register_info): Use global_not_special_regno_p to
4819         check for global regs.
4821 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4823         PR target/89752
4824         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4825         update this_alternative nor this_alternative_set.
4827 2019-03-19  Jim Wilson  <jimw@sifive.com>
4829         PR target/89411
4830         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4831         align, size, offset.  Use them to handle a BLKmode reference.  Update
4832         comment.
4833         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4835 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4837         PR rtl-optimization/89768
4838         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4839         instead of GEN_INT.
4840         (unroll_loop_runtime_iterations): Likewise.
4842 2019-03-19  Martin Sebor  <msebor@redhat.com>
4844         PR tree-optimization/89644
4845         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4846         rather than endptr as an indicator of nul-termination.
4848         PR tree-optimization/89644
4849         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4850         arrays in determining sequence sizes in strncpy and stpncpy.
4852 2019-03-19  Martin Liska  <mliska@suse.cz>
4854         PR middle-end/89737
4855         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4856         unlikely_edges if there's an edge that belongs to both these sets.
4858 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4860         PR target/89746
4861         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4862         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4863         go via a stack temporary.
4865 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4867         PR target/89378
4868         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4869         instead of gen_rtx_SUBREG.
4870         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4872 2019-03-19  Richard Biener  <rguenther@suse.de>
4874         PR debug/88389
4875         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4877 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4879         PR lto/87809
4880         PR lto/89335
4881         * tree.c (free_lang_data_in_decl): Do not free context of C++
4882         destrutors.
4884 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4886         PR target/89506
4887         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4888         subs for the first alternative except when operands[3] is 1.
4890         PR target/89752
4891         * gimplify.c (gimplify_asm_expr): For output argument with
4892         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4893         diagnose error.
4895 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4897         PR rtl-optimization/89753
4898         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4899         explicit unrolling factor even more robust.
4901 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4903         PR target/89726
4904         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4905         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4906         signed zeros, do another copysign after the compensation.
4908 2019-03-18  Martin Sebor  <msebor@redhat.com>
4910         PR tree-optimization/89720
4911         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4912         more conservatively, the same as anti-range.
4914 2019-03-18  Richard Biener  <rguenther@suse.de>
4916         PR middle-end/88945
4917         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4918         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4919         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4920         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4922 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4924         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4925         Extend queue to 1024 entries.
4926         Add "consumed" field.
4927         (gomp_print_output): Remove print_index parameter.
4928         Add final parameter.
4929         Change limit to unsigned.
4930         Use consumed field to implement circular buffer.
4931         Detect interrupted print in final pass.
4932         Flush output at the end.
4933         (run): Update gomp_print_output usage.
4934         (main): Initialize kernargs->output_data.consumed.
4936 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4938         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4939         calculation of the minimum number of scalar iterations for
4940         fully-predicated loops.
4942 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4944         PR tree-optimization/89546
4945         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4946         any propagation to its children took place.
4948 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4950         PR target/89627
4951         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4952         parameter, and make use of it.
4953         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4955 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4957         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4958         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4959         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4960         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4961         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4962         match what the ops is doing.
4963         (push_multi_fp_blink): Likewise.
4964         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4965         compiling for size and elf target.
4966         (arc_save_callee_enter): Adjust note to match what enter/leave
4967         operation does.
4969 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4971         * config/arc/arc.md (tst_movb): Fix constraint.
4973 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4975         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4977 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4979         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4980         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4981         reg_alloc_order references.
4982         (size_alloc_order): Define.
4983         (arc_adjust_reg_alloc_order): New function.
4984         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4985         order.
4986         (ADJUST_REG_ALLOC_ORDER): Define.
4987         (HONOR_REG_ALLOC_ORDER): Likewise.
4989 2019-03-18  Richard Biener  <rguenther@suse.de>
4991         PR target/87561
4992         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4993         loads and stores a bit more.
4995 2019-03-18  Richard Biener  <rguenther@suse.de>
4997         PR target/87561
4998         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4999         load pessimization to stores as well.
5001 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5003         PR middle-end/86979
5004         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5005         successor, use NULL as its av set.
5007 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5009         PR rtl-optimization/89721
5010         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5012 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5014         PR target/87532
5015         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5016         When handling vec_extract, use modular arithmetic to allow
5017         constant selectors greater than vector length.
5018         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5019         V1TImode vectors to have constant selector values greater than 0.
5020         Use modular arithmetic to compute vector index.
5021         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5022         index for in-memory vectors.  Correct code generation for
5023         in-register vectors.
5024         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5025         compute index.
5027 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5029         PR c++/88534
5030         PR c++/88537
5031         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5032         VAR_DECL args.
5034 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5036         PR c++/89709
5037         * tree.c (inchash::add_expr): Strip any location wrappers.
5038         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5039         after hash verification.
5041         PR debug/89704
5042         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5043         SIGN_EXTEND and ZERO_EXTEND.
5045 2019-03-14  Jason Merrill  <jason@redhat.com>
5046             Jakub Jelinek  <jakub@redhat.com>
5048         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5049         than if is_empty (*slot).
5050         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5051         existing elt and for elt removal.
5052         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5053         of already removed elt.
5055 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5057         PR target/89650
5058         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5059         REG_EH_REGION note.
5061 2019-03-14  Martin Liska  <mliska@suse.cz>
5063         PR other/89712
5064         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5066 2019-03-14  Richard Biener  <rguenther@suse.de>
5068         PR target/89711
5069         * config/i386/i386.c (make_resolver_func): Properly set
5070         DECL_CONTEXT on the RESULT_DECL.
5071         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5073 2019-03-14  Richard Biener  <rguenther@suse.de>
5075         * gimple-pretty-print.c: Include cfgloop.h.
5076         (dump_gimple_phi): Adjust.
5077         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5078         (pp_cfg_jump): Adjust.
5079         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5080         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5081         (lower_phi_internal_fn): Remove.
5082         (verify_gimple_call): Remove IFN_PHI special-casing.
5083         (dump_function_to_file): Dump IL state.
5084         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5085         done to deal with PHI nodes being present in non-SSA state.
5087 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5089         PR ipa/89684
5090         * multiple_target.c (create_dispatcher_calls): Change
5091         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5092         In the node->iterate_referring loop, push *ref rather than ref, call
5093         ref->remove_reference () and always pass 0 to iterate_referring.
5095         PR rtl-optimization/89679
5096         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5097         would contain a paradoxical SUBREG.
5099 2019-03-14  Richard Biener  <rguenther@suse.de>
5101         PR tree-optimization/89710
5102         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5103         safe_dyn_cast.
5105 2019-03-14  Martin Liska  <mliska@suse.cz>
5107         * coverage.c (coverage_begin_function): Stream also
5108         end_column.
5109         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5110         documentation about function declaration location.
5111         * gcov-dump.c (tag_function): Print whole range
5112         of function declaration.
5113         * gcov.c (struct function_info): Add end_column field.
5114         (function_info::function_info): Initialize it.
5115         (output_json_intermediate_file): Output {start,end}_column
5116         fields.
5117         (read_graph_file): Read end_column.
5119 2019-03-14  Richard Biener  <rguenther@suse.de>
5121         PR middle-end/89698
5122         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5123         that the access types are similar.
5125 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5127         PR tree-optimization/89703
5128         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5129         aren't compatible also with builtin_decl_explicit.  Check pure
5130         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5131         and BUILT_IN_STPNCPY{,_CHK}.
5133 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5135         PR target/89523
5136         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5137         addr32 prefix to VSIB address for X32.
5138         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5139         "%M2" to opcode.
5140         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5141         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5142         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5143         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5144         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5145         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5146         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5147         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5148         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5149         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5150         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5151         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5152         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5153         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5154         (*avx512f_scatterdi<mode>): Likewise.
5156 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5158         PR target/85860
5159         * lra-constraints.c (inherit_in_ebb): Update
5160         potential_reload_hard_regs along with live_hard_regs.
5162 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5164         PR debug/89498
5165         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5166         DWARF_OFFSET_SIZE.
5167         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5169 2019-03-13  Martin Sebor  <msebor@redhat.com>
5171         PR tree-optimization/89662
5172         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5173         has a size.
5175 2019-03-13  Richard Biener  <rguenther@suse.de>
5177         PR middle-end/89677
5178         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5179         throw FP expressions at tree-affine.
5181 2019-03-14  Richard Biener  <rguenther@suse.de>
5183         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5184         dump negative integer constants using _Literal (type) -num.
5186 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5188         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5189         nonlocal_value member.
5191         PR middle-end/88588
5192         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5193         (ipa_simd_modify_function_body): Handle PHIs.
5195 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5197         * config/s390/s390.c (s390_option_override_internal): Use more
5198         aggressive inlining parameters.
5200 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5202         * config/s390/3906.md: New file.
5203         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5204         (LONGRUNNING_THRESHOLD): Remove.
5205         (MAX_SCHED_MIX_SCORE): Decrease.
5206         (MAX_SCHED_MIX_DISTANCE): Decrease.
5207         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5208         (struct s390_sched_state): New struct to hold scheduling state.
5209         (S390_SCHED_STATE_NORMAL): Remove.
5210         (S390_SCHED_STATE_CRACKED): Remove.
5211         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5212         (s390_get_sched_attrmask): Use new attribute.
5213         (s390_get_unit_mask): Use new units.
5214         (s390_is_fpd): New function.
5215         (s390_is_fxd): New function.
5216         (s390_is_longrunning): New function.
5217         (s390_sched_score): Use new functions.
5218         (s390_sched_reorder): Likewise.
5219         (s390_sched_variable_issue): Rework and use new functions.
5220         (s390_sched_init): Use new functions.
5221         * config/s390/s390.h (s390_tune_attr):  Add z14.
5222         * config/s390/s390.md: Add z14.
5224 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5226         * config/s390/2964.md: Update pipeline description.
5227         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5228         (LONGRUNNING_THRESHOLD): Remove.
5229         (LATENCY_FACTOR): Remove.
5230         (s390_get_unit_mask): Add unit.
5231         (s390_sched_score): Use fxd/fpd.
5232         (s390_sched_variable_issue): Use fxd/fpd.
5234 2019-03-12  Martin Liska  <mliska@suse.cz>
5236         * config/i386/i386.c: Reword an error message.
5238 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5240         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5241         terminate with newline.
5243 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5245         PR target/52726
5246         * config/s390/s390.md (tabort): Use %wd instead of
5247         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5248         letters and periods.
5249         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5250         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5251         's with %< and %>.
5253         PR middle-end/89663
5254         * builtins.c (expand_builtin_int_roundingfn,
5255         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5256         gcc_unreachable if validate_arglist fails.
5258 2019-03-12  Richard Biener  <rguenther@suse.de>
5260         PR tree-optimization/89664
5261         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5262         free the occurance tree after the early out.
5264 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5266         PR middle-end/89655
5267         PR bootstrap/89656
5268         * vr-values.c (vr_values::update_value_range): If
5269         old_vr->varying_p (), don't update it, make new_vr also VARYING
5270         and return false.
5272 2019-03-11  Martin Liska  <mliska@suse.cz>
5274         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5275         Fix double string quoting.
5277 2019-03-11  Martin Liska  <mliska@suse.cz>
5279         * collect-utils.c (collect_wait): Wrap apostrophes
5280         in gcc internal format with %'.
5281         * collect2.c (main): Likewise.
5282         (scan_prog_file): Likewise.
5283         (scan_libraries): Likewise.
5284         * config/i386/i386.c (ix86_expand_call): Likewise.
5285         (ix86_handle_interrupt_attribute): Likewise.
5286         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5287         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5288         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5289         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5290         * symtab.c (symtab_node::verify_base): Likewise.
5291         * tree-cfg.c (verify_gimple_label): Likewise.
5292         * tree.c (verify_type_variant): Likewise.
5294 2019-03-11  Martin Liska  <mliska@suse.cz>
5296         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5297         in a string format message and fix GNU coding style.
5298         (expand_builtin_set_thread_pointer): Likewise.
5299         * common/config/aarch64/aarch64-common.c
5300         (aarch64_rewrite_selected_cpu): Likewise.
5301         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5302         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5303         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5304         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5305         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5306         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5307         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5308         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5309         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5310         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5311         Likewise.
5312         * common/config/riscv/riscv-common.c
5313         (riscv_subset_list::parsing_subset_version): Likewise.
5314         (riscv_subset_list::parse_std_ext): Likewise.
5315         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5316         (riscv_subset_list::parse): Likewise.
5317         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5318         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5319         (aarch64_override_options_internal): Likewise.
5320         (aarch64_validate_mcpu): Likewise.
5321         (aarch64_validate_march): Likewise.
5322         (aarch64_validate_mtune): Likewise.
5323         (aarch64_override_options): Likewise.
5324         * config/alpha/alpha.c (alpha_option_override): Likewise.
5325         * config/arc/arc.c (arc_init): Likewise.
5326         (parse_mrgf_banked_regs_option): Likewise.
5327         (arc_override_options): Likewise.
5328         (arc_expand_builtin_aligned): Likewise.
5329         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5330         (arm_expand_builtin): Likewise.
5331         * config/arm/arm.c (arm_option_check_internal): Likewise.
5332         (arm_configure_build_target): Likewise.
5333         (arm_option_override): Likewise.
5334         (arm_options_perform_arch_sanity_checks): Likewise.
5335         (arm_handle_cmse_nonsecure_entry): Likewise.
5336         (arm_handle_cmse_nonsecure_call): Likewise.
5337         (arm_tls_referenced_p): Likewise.
5338         (thumb1_expand_prologue): Likewise.
5339         * config/avr/avr.c (avr_option_override): Likewise.
5340         * config/bfin/bfin.c (bfin_option_override): Likewise.
5341         * config/c6x/c6x.c (c6x_option_override): Likewise.
5342         * config/cr16/cr16.c (cr16_override_options): Likewise.
5343         * config/cris/cris.c (cris_option_override): Likewise.
5344         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5345         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5346         * config/darwin.c (darwin_override_options): Likewise.
5347         * config/frv/frv.c (frv_expand_builtin): Likewise.
5348         * config/h8300/h8300.c (h8300_option_override): Likewise.
5349         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5350         (ix86_option_override_internal): Likewise.
5351         (warn_once_call_ms2sysv_xlogues): Likewise.
5352         (ix86_expand_prologue): Likewise.
5353         (split_stack_prologue_scratch_regno): Likewise.
5354         (ix86_warn_parameter_passing_abi): Likewise.
5355         * config/ia64/ia64.c (fix_range): Likewise.
5356         * config/m68k/m68k.c (m68k_option_override): Likewise.
5357         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5358         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5359         (mips_set_compression_mode): Likewise.
5360         * config/mmix/mmix.c (mmix_option_override): Likewise.
5361         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5362         * config/msp430/msp430.c (msp430_option_override): Likewise.
5363         * config/nds32/nds32.c (nds32_option_override): Likewise.
5364         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5365         (nios2_option_override): Likewise.
5366         (nios2_expand_custom_builtin): Likewise.
5367         * config/nvptx/mkoffload.c (main): Likewise.
5368         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5369         * config/pa/pa.c (fix_range): Likewise.
5370         (pa_option_override): Likewise.
5371         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5372         (riscv_option_override): Likewise.
5373         * config/rl78/rl78.c (rl78_option_override): Likewise.
5374         * config/rs6000/aix61.h: Likewise.
5375         * config/rs6000/aix71.h: Likewise.
5376         * config/rs6000/aix72.h: Likewise.
5377         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5378         * config/rs6000/freebsd64.h: Likewise.
5379         * config/rs6000/linux64.h: Likewise.
5380         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5381         (rs6000_expand_zeroop_builtin): Likewise.
5382         (rs6000_expand_mtfsb_builtin): Likewise.
5383         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5384         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5385         (rs6000_invalid_builtin): Likewise.
5386         (rs6000_expand_split_stack_prologue): Likewise.
5387         * config/rs6000/rtems.h: Likewise.
5388         * config/rx/rx.c (valid_psw_flag): Likewise.
5389         (rx_expand_builtin): Likewise.
5390         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5391         * config/s390/s390.c (s390_expand_builtin): Likewise.
5392         (s390_function_profiler): Likewise.
5393         (s390_option_override_internal): Likewise.
5394         (s390_option_override): Likewise.
5395         * config/sh/sh.c (sh_option_override): Likewise.
5396         (sh_builtin_saveregs): Likewise.
5397         (sh_fix_range): Likewise.
5398         * config/sh/vxworks.h: Likewise.
5399         * config/sparc/sparc.c (sparc_option_override): Likewise.
5400         * config/spu/spu.c (spu_option_override): Likewise.
5401         (fix_range): Likewise.
5402         * config/visium/visium.c (visium_option_override): Likewise.
5403         (visium_handle_interrupt_attr): Likewise.
5404         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5405         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5406         (dbg_cnt_process_opt): Likewise.
5407         * dwarf2out.c (output_dwarf_version): Likewise.
5408         * except.c (expand_eh_return): Likewise.
5409         * gcc.c (defined): Likewise.
5410         (driver_handle_option): Likewise.
5411         (process_command): Likewise.
5412         (compare_files): Likewise.
5413         (driver::prepare_infiles): Likewise.
5414         (driver::do_spec_on_infiles): Likewise.
5415         (driver::maybe_run_linker): Likewise.
5416         * omp-offload.c (oacc_parse_default_dims): Likewise.
5417         * opts-global.c (handle_common_deferred_options): Likewise.
5418         * opts.c (parse_sanitizer_options): Likewise.
5419         (common_handle_option): Likewise.
5420         (enable_warning_as_error): Likewise.
5421         * passes.c (enable_disable_pass): Likewise.
5422         * plugin.c (parse_plugin_arg_opt): Likewise.
5423         (default_plugin_dir_name): Likewise.
5424         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5425         (default_pch_valid_p): Likewise.
5426         * toplev.c (init_asm_output): Likewise.
5427         (process_options): Likewise.
5428         (toplev::run_self_tests): Likewise.
5429         * tree-cfg.c (verify_gimple_call): Likewise.
5430         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5431         (tree_inlinable_function_p): Likewise.
5432         * var-tracking.c (vt_find_locations): Likewise.
5434 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5436         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5437         only on the else branch.
5439 2019-03-11  Martin Liska  <mliska@suse.cz>
5441         * gcov.c (output_intermediate_json_line): Print function
5442         name of each line.
5443         (output_json_intermediate_file): Add new argument.
5444         * doc/gcov.texi: Document the change.
5446 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5448         PR rtl-optimization/89588
5449         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5450         explicit unrolling factor more robust.
5452 2019-03-11  Richard Biener  <rguenther@suse.de>
5454         PR tree-optimization/89649
5455         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5456         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5457         on the prolog and epilog loops.
5458         (vect_loop_versioning): Return copy of loop.
5459         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5460         on the non-vectorized version of the loop.
5462 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5464         PR target/68924
5465         * config/i386/sse.md (*vec_extractv2di_0_sse):
5466         Add (=r,x) alternative and corresponding splitter.
5468 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5470         PR tree-optimization/85762
5471         PR tree-optimization/87008
5472         PR tree-optimization/85459
5473         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5474         it points to if there is a type changing MEM_REF.  Adjust all callers.
5475         (build_accesses_from_assign): Disable total scalarization if
5476         contains_vce_or_bfcref_p returns true through the new parameter, for
5477         both rhs and lhs.
5479 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5481         PR c/88568
5482         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5483         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5485         PR target/79645
5486         * common.opt (fdiagnostics-show-labels,
5487         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5488         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5489         gas-locview-support, ginline-points, ginternal-reset-location-views):
5490         Terminate description text with a dot.
5491         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5492         * config/mcore/mcore.opt (m210, m340): Likewise.
5493         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5494         mnops=): Start description text with a capital letter.
5495         * config/arc/arc.opt (msize-level=): Likewise.
5496         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5497         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5498         mnewlib): Likewise.
5499         * config/ft32/ft32.opt (msim): Likewise.
5500         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5501         (mnodiv, mnopm): Terminate description text with a dot.
5502         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5503         a colon.
5504         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5505         Likewise.
5506         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5507         text.
5509         PR rtl-optimization/89634
5510         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5511         are modified in BB_END (e->src) instruction.
5513 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5515         PR target/79926
5516         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5517         messages more amenable to translation, and improve wording.
5519 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5521         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5522         ud- and du-chains between phases.
5524 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5526         PR debug/89631
5527         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5528         instead of POLY_INT_CST.
5530 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5532         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5533         requirement.
5535 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
5537         PR target/68924
5538         PR target/78782
5539         PR target/87558
5540         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5541         (_mm_storeu_si64): Ditto.
5543 2019-03-08  Martin Liska  <mliska@suse.cz>
5545         PR target/86952
5546         * config/i386/i386.c (ix86_option_override_internal): Disable
5547         jump tables when retpolines are used.
5549 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
5551         PR go/63560
5552         * ipa-split.c (execute_split_functions): Do not split
5553         'noinline' or 'section' function.
5555 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5557         PR target/79846
5558         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5559         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5560         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
5562         PR ipa/80000
5563         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5564         from diagnostics.  Formatting fixes.
5566         PR target/85665
5567         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5568         warn_odr diagnostics.
5570         PR other/80058
5571         * lra-constraints.c (process_alt_operands): Avoid one space before
5572         " at the end of line and another after " on another line in a string
5573         literal.
5574         * attribs.c (handle_dll_attribute): Likewise.
5575         * config/avr/avr-devices.c (avr_texinfo): Likewise.
5577         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5578         warning_at or inform messages in G_() if there is no ?:.
5580         PR tree-optimization/89550
5581         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5582         returned true.  Formatting fixes.
5583         (expand_builtin_strnlen): Formatting fixes.
5584         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5585         if warning_at returned true.
5586         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5588 2019-03-08  Richard Biener  <rguenther@suse.de>
5590         PR middle-end/89578
5591         * cfgloop.h (struct loop): Add owned_clique field.
5592         * cfgloopmanip.c (copy_loop_info): Copy it.
5593         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5594         cliques.
5595         * tree-inline.c (copy_loops): Remap owned_clique.
5596         * lto-streamer-in.c (input_cfg): Stream owned_clique.
5597         * lto-streamer-out.c (output_cfg): Likewise.
5599 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5601         PR target/80190
5602         * config/darwin.c: Include intl.h.
5603         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5604         composing the message out of two separate parts.
5606 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5608         PR target/80003
5609         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5610         doesn't start with a capital letter and doesn't end with a dot.
5611         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5612         with a capital letter.
5613         (ix86_mangle_function_version_assembler_name): Likewise.
5614         (ix86_generate_version_dispatcher_body): Likewise.
5615         (fold_builtin_cpu): Likewise.
5616         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
5617         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5618         translators, wrap full type name in %qs.
5620         PR translation/79999
5621         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5622         depend clause with source (or sink) modifier.
5623         * omp-expand.c (expand_omp_ordered_sink): Likewise.
5625         PR target/89602
5626         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5627         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5628         (avx512f_load<mode>_mask): New define_expand.
5629         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5630         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5631         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5632         __builtin_ia32_movess_mask): New builtins.
5633         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5634         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5635         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5636         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5638 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5640         PR lto/87525
5641         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5642         for extern inline functions.
5644 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5646         PR ipa/88235
5647         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5648         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5649         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5650         have multiple callees.  At the end check if declarations match as
5651         opposed to cgraph_nodes.
5653 2019-03-07  Martin Liska  <mliska@suse.cz>
5655         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5656         which is equivalent to searching for this in clones chain.
5657         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5658         names with a neighbour and special case first node in a chain.
5660 2019-01-25  Jason Merrill  <jason@redhat.com>
5662         PR c++/80916 - spurious "static but not defined" warning.
5663         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5664         for an internal symbol with DECL_EXTERNAL.
5666 2019-04-07  Richard Biener  <rguenther@suse.de>
5668         PR middle-end/89618
5669         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5670         * tree-inline.c (copy_loops): Simplify.
5672 2019-03-07  Martin Liska  <mliska@suse.cz>
5674         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5676 2019-03-07  Richard Biener  <rguenther@suse.de>
5678         PR tree-optimization/89595
5679         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5680         stmt iterator as reference, take boolean output parameter to
5681         indicate whether the stmt was removed and thus the iterator
5682         already advanced.
5683         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5684         stmts created by folding.
5686 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5688         PR c++/89585
5689         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5690         at toplevel.
5692 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5694         PR rtl-optimization/88845
5695         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5696         LRA.
5697         * lra.c (remove_scratches_1): New function.
5698         (remove_scratches): Use it.
5699         (lra_emit_move): Likewise.
5701 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5703         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5704         unaligned_access variable.
5705         * config/arc/arc.c (arc_override_options): Set unaligned access
5706         default on for HS CPUs.
5707         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5709 2019-03-06  Martin Liska  <mliska@suse.cz>
5711         PR gcov-profile/89577
5712         * doc/gcov.texi: Prefer to use --coverage.
5713         * doc/sourcebuild.texi: Likewise.
5715 2019-03-02  Jason Merrill  <jason@redhat.com>
5717         PR c++/86485 - -Wmaybe-unused with empty class ?:
5718         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5720 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5722         PR target/89587
5723         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5724         if_multiarch.
5726         PR middle-end/89590
5727         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5728         exactly one argument.
5730 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5731             Richard Sandiford  <richard.sandiford@arm.com>
5733         PR tree-optimization/89570
5734         * match.pd (vec_cond into cond_op simplification): Don't use
5735         get_conditional_internal_fn, use as_internal_fn (cond_op).
5737 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5739         PR target/89222
5740         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5741         to decide when to split off a non-zero offset from a symbol.
5742         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5743         in function symbols.
5745 2019-03-05  Richard Biener  <rguenther@suse.de>
5747         PR tree-optimization/89594
5748         * tree-if-conv.c (pass_if_conversion::execute): Handle
5749         case where .LOOP_VECTORIZED_FUNCTION was removed.
5751 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5753         PR bootstrap/89560
5754         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5755         instead alloca it only when needed with the needed size.
5757         PR tree-optimization/89570
5758         * match.pd (vec_cond into cond_op simplification): Guard with
5759         vectorized_internal_fn_supported_p test and #if GIMPLE.
5761         PR tree-optimization/89566
5762         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5763         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5764         Punt if get_user_idx_format succeeds, but idx_format argument is
5765         not provided or doesn't have pointer type, or if idx_args is above
5766         number of provided arguments.
5768 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5770         PR tree-optimization/89437
5771         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5773 2019-03-04  Richard Biener  <rguenther@suse.de>
5775         PR middle-end/89572
5776         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5777         safe_dyn_cast.
5779 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5781         PR tree-optimization/89487
5782         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5783         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5784         (distribute_loop): Don't do runtime alias check if there is non-
5785         addressable data reference.
5786         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5787         is a register variable.
5789 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5791         PR target/89506
5792         * config/arm/arm.md (cmpsi2_addneg): Use
5793         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5794         If operands[2] is 0 or INT_MIN, force use of subs.
5795         (*compare_scc splitter): Use gen_int_mode.
5796         (*negscc): Likewise.
5797         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5799 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5800             Monk Chiang  <sh.chiang04@gmail.com>
5802         * common/config/riscv/riscv-common.c: Include sstream.
5803         (riscv_subset_list::to_string): New.
5804         (riscv_arch_str): Likewise.
5805         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5806         * config.in: Regen.
5807         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5808         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5809         (riscv_emit_attribute): New.
5810         (riscv_file_start): Emit attribute if needed.
5811         (riscv_option_override): Init riscv_emit_attribute_p.
5812         * config/riscv/riscv.opt (mriscv-attribute): New option.
5813         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5814         * configure: Regen.
5815         * doc/install.texi: Document --with-riscv-attribute.
5816         * doc/invoke.texi: Document -mriscv-attribute.
5818         * common/config/riscv/riscv-common.c:
5819         Include config/riscv/riscv-protos.h.
5820         (INCLUDE_STRING): Defined.
5821         (RISCV_DONT_CARE_VERSION): Defined.
5822         (riscv_subset_t): Declare.
5823         (riscv_subset_t::riscv_subset_t): New.
5824         (riscv_subset_list): Declare.
5825         (riscv_subset_list::riscv_subset_list): New.
5826         (riscv_subset_list::~riscv_subset_list): Likewise.
5827         (riscv_subset_list::parsing_subset_version): Likewise.
5828         (riscv_subset_list::parse_std_ext): Likewise.
5829         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5830         (riscv_subset_list::add): Likewise.
5831         (riscv_subset_list::lookup): Likewise.
5832         (riscv_subset_list::xlen): Likewise.
5833         (riscv_subset_list::parse): Likewise.
5834         (riscv_supported_std_ext): Likewise.
5835         (current_subset_list): Likewise.
5836         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5837         parse.
5839 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5841         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5842         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5843         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5845 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5847         PR rtl-optimization/85899
5848         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5849         fallthru edges leading to the exit block.
5851 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5853         PR target/89517
5854         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5855         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5857 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5859         PR tree-optimization/89535
5860         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5861         for each operand.  Calculate the fallback choice for mask operands
5862         and pass it to vect_get_vec_def_for_operand.
5864 2019-03-01  Richard Biener  <rguenther@suse.de>
5866         PR middle-end/89541
5867         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5868         get virtual operands.
5869         (get_expr_operands): Handle CONST_DECL like other decls.
5871 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5873         PR middle-end/89503
5874         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5875         on DECL_P and EXPR_P.
5877 2019-03-01  Richard Biener  <rguenther@suse.de>
5879         PR middle-end/89497
5880         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5881         argument, defaulted to zero.
5882         * passes.c (execute_function_todo): Pass down SSA update flags
5883         to cleanup_tree_cfg.
5884         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5885         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5886         form if requested.
5887         (cleanup_tree_cfg): Get and pass down SSA update flags.
5889 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5891         PR bootstrap/89539
5892         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5893         early_lto_debug argument.
5895 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5897         PR tree-optimization/89536
5898         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5899         only whether bit #0 of the value is 0 instead of the entire value.
5901 2019-02-28  Marek Polacek  <polacek@redhat.com>
5903         PR c++/87068 - missing diagnostic with fallthrough statement.
5904         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5905         at the end of a seq, save its location to walk_stmt_info.
5906         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5907         a switch.
5909 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5911         PR lto/88585
5912         * tree.c (find_atomic_core_type): Move ahead in file.
5913         (check_base_type): Correctly compare alignments of atomic types.
5915 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5917         PR target/89455
5918         * config/i386/i386.c (get_builtin_code_for_version): Identify
5919         Westmere from PCLMUL, instead of AES.
5921 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5923         PR target/89434
5924         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5925         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5926         -UINTVAL (...).
5928 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5930         PR target/88530
5931         * config/aarch64/aarch64-option-extensions.def: Document it.
5932         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5933         if empty hwcaps.
5935 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5937         PR c/89520
5938         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5939         builtins if they don't have a single scalar floating point argument.
5940         Formatting fixes.
5942 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5944         PR rtl-optimization/89490
5945         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5946         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5947         block section is not mergeable.
5949 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5951         PR target/70341
5952         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5953         old define_insn to ...
5954         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5955         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5956         Rename old define_insn to ...
5957         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5958         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5959         define_insn to ...
5960         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5961         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5962         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5964 2019-02-27  Richard Biener  <rguenther@suse.de>
5966         PR debug/88878
5967         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5969 2019-02-27  Richard Biener  <rguenther@suse.de>
5971         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5972         building.
5974 2019-02-27  Richard Biener  <rguenther@suse.de>
5976         PR debug/88878
5977         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5978         parameter, prefix section name with .gnu.debuglto_ if true.
5979         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5980         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5982 2019-02-27  Richard Biener  <rguenther@suse.de>
5984         PR debug/89514
5985         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5986         rather than on use_debug_types, doing what output_die does.
5987         (value_format): Likewise.
5989 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5990             Martin Sebor  <msebor@redhat.com>
5992         * doc/invoke.texi (Warning Options): Reword description of
5993         -Wno-absolute-value.
5995 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5997         PR tree-optimization/89280
5998         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5999         builtin_setjmp_setup_bb): New functions.
6000         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6001         When visiting __builtin_setjmp_setup block, queue in special
6002         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6003         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6004         from visited after the loop if they don't have any visited successor
6005         blocks.
6007 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6009         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6010         New function.
6011         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6013 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6015         PR c++/89507
6016         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6017         with types other than sizetype/ssizetype.
6019 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6021         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6022         (enum sparc_processor_type): ...this.
6023         (enum sparc_code_model_type): New enumeration type.
6024         (enum sparc_memory_model_type): Tweak comments.
6025         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6026         (mtune): Likewise.
6027         (mcmodel): Use sparc_code_model enumeration and variable.
6028         (sparc_code_model): New enumeration.
6029         (mdebug): Add Undocumented marker.
6030         * config/sparc/sparc.h (enum cmodel): Delete.
6031         (sparc_cmodel): Likewise.
6032         (TARGET_CM_MEDLOW): Adjust to above renaming.
6033         (TARGET_CM_MEDMID): Likewise.
6034         (TARGET_CM_MEDANY): Likewise.
6035         (TARGET_CM_EMBMEDANY): Likewise.
6036         * config/sparc/sparc.c (sparc_cmodel): Delete.
6037         (sparc_option_override): Remove string/value mapping support for the
6038         code model.  Move code and memory model support to after the handling
6039         of target flags.  Do private machine setup last.
6040         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6041         (sparc_legitimize_reload_address): Likewise.
6042         (sparc_output_mi_thunk): Likewise.
6043         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6045 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6047         PR tree-optimization/89500
6048         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6049         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6050         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6051         cst if the first cst bytes starting at x are known to be non-zero,
6052         even if the string is not zero terminated.  Don't try to modify
6053         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6054         we can prove strnlen returns the same value as strlen would.
6056 2019-02-26  Martin Liska  <mliska@suse.cz>
6058         * alloc-pool.h (struct pool_usage): Remove extra
6059         print_dash_line.
6060         * bitmap.h (struct bitmap_usage): Likewise.
6061         * ggc-common.c (struct ggc_usage): Likewise.
6062         * mem-stats.h (struct mem_usage): Likewise.
6063         (mem_alloc_description::dump): Print dash lines
6064         here and repeat header at the end of a table report.
6065         It's then more readable.
6066         * tree-phinodes.c (phinodes_print_statistics): Make
6067         horizontal alignment.
6068         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6069         * vec.c (struct vec_usage): Remove extra print_dash_line.
6070         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6072 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6074         * doc/extend.texi (__builtin_object_size):
6075         Use @pxref instead of @xref inside parenthesis.
6076         (__builtin_has_attribute): Add missing comma after @xref.
6077         (__builtin_object_size): Ditto.
6078         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6079         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6080         in the list.
6082 2019-02-26  Jeff Law  <law@redhat.com>
6084         PR rtl-optimization/87761
6085         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6086         detect obviously dead insns and delete them.
6088 2019-02-26  Richard Biener  <rguenther@suse.de>
6090         PR tree-optimization/89505
6091         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6092         to handle restrict pointed-to vars with multiple subvars
6093         correctly.
6095 2019-02-26  Richard Biener  <rguenther@suse.de>
6097         PR tree-optimization/89489
6098         * tree-parloops.c (create_loop_fn): Copy over last_clique.
6100 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6102         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6103         and move around comment.
6104         <BIT_AND_EXPR>: Likewise.
6105         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6107 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6109         PR target/89474
6110         * config/i386/i386.c (remove_partial_avx_dependency): Call
6111         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6112         after changing possibly many instructions to use that pseudo.  Fix up
6113         insertion of v4sf_const0 setter at the start of bb.
6115 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6117         PR c/80409
6118         * doc/extend.texi (Variadic Pointer Args): New section.
6120 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6121             Martin Sebor  <msebor@gmail.com>
6123         * common.opt (Wattribute-alias): Likewise.
6124         * doc/invoke.texi (Option Summary): List general form of
6125         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6126         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6127         Add cross-references.
6128         (-Wattribute-alias): Rewrite and correct default.  Mention
6129         considered attributes (same as for -Wmissing-attributes).
6131 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6133         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6134         (_mm_cvtpd_ps): Likewise.
6135         (_mm_cvttpd_epi32): Likewise.
6137         PR target/89338
6138         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6139         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6141         PR target/89339
6142         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6144 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6146         PR target/88530
6147         * common/config/aarch64/aarch64-common.c
6148         (struct aarch64_option_extension): Add is_synthetic.
6149         (all_extensions): Use it.
6150         (TARGET_OPTION_INIT_STRUCT): Define hook.
6151         (struct gcc_targetm_common): Moved to end.
6152         (all_extensions_by_on): New.
6153         (opt_ext_cmp, typedef opt_ext): New.
6154         (aarch64_option_init_struct): New.
6155         (aarch64_contains_opt): New.
6156         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6157         * config/aarch64/aarch64-option-extensions.def
6158         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6159         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6160         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6161         Set is_synthetic to false.
6162         (crypto): Set is_synthetic to true.
6163         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6164         SYNTHETIC.
6166 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6168         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6169         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6170         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6171         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6172         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6173         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6174         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6175         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6176         Rename ...
6177         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6178         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6179         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6180         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6181         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6182         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6183         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6184         vfmlsl_laneq_high_f16): ... To this.
6185         * config/arm/neon.md: Update comments.
6187 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6189         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6190         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6191         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6192         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6193         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6194         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6195         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6196         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6197         Rename ...
6198         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6199         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6200         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6201         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6202         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6203         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6204         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6205         vfmlslq_laneq_high_f16): ... To this.
6207 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6209         PR rtl-optimization/86096
6210         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6211         comparing mw_order values.
6213 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6215         PR target/89434
6216         * config/arm/arm.md (*subsi3_carryin_const): Use
6217         arm_neg_immediate_operand predicate instead of
6218         arm_not_immediate_operand, "L" constraint instead of "K" and
6219         print it using %n2 instead of %B2.
6220         (*subsi3_carryin_const0): New define_insn.
6221         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6222         instead of arm_not_operand and "I" constraint instead of "K" and
6223         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6224         another match_operand and in the condition check that it is negation
6225         of operands[2].
6226         (*subsi3_carryin_compare_const0): New define_ins.
6227         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6228         *subsi3_carryin_const.
6229         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6230         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6232         PR target/89438
6233         * config/arm.vfp.md (*negdf2_vfp): Use
6234         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6235         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6237 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6239         PR rtl-optimization/89445
6240         * simplify-rtx.c (simplify_ternary_operation): Don't use
6241         simplify_merge_mask on operands that may trap.
6242         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6243         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6244         second operand is CONST_VECTOR, check if any element could be zero.
6245         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6246         their operands can trap.
6248 2019-02-23  Martin Sebor  <msebor@redhat.com>
6250         * gimple-ssa-sprintf.c (target_strtol): Rename...
6251         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6252         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6253         check for range error.
6255 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6257         PR driver/69471
6258         * opts-common.c (prune_options): Also prune joined switches
6259         with Negative and RejectNegative.
6260         * config/i386/i386.opt (march=): Add Negative(march=).
6261         (mtune=): Add Negative(mtune=).
6262         * doc/options.texi: Document Negative used together with Joined
6263         and RejectNegative.
6265 2019-02-22  Martin Sebor  <msebor@redhat.com>
6267         * doc/extend.texi (Other Builtins): Add
6268         __builtin_is_constant_evaluated.
6270 2019-02-22  Richard Biener  <rguenther@suse.de>
6272         PR tree-optimization/87609
6273         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6275 2019-02-22  Jeff Law  <law@redhat.com>
6277         PR rtl-optimization/87761
6278         * config/mips/mips.md: Add new combiner pattern to recognize
6279         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6281 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6283         PR target/89324
6284         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6285         destination register in peepholes generating patterns for ADDS/SUBS.
6286         (add<mode>3_compare0,
6287         *addsi3_compare0_uxtw, add<mode>3_compareC,
6288         add<mode>3_compareV_imm, add<mode>3_compareV,
6289         *adds_<optab><ALLX:mode>_<GPI:mode>,
6290         *subs_<optab><ALLX:mode>_<GPI:mode>,
6291         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6292         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6293         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6294         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6295         sub<mode>3_compare1): Allow stack pointer for source register.
6296         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6298 2019-02-22  Martin Sebor  <msebor@redhat.com>
6300         PR tree-optimization/88993
6301         PR tree-optimization/88853
6302         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6303         New helper.
6304         (sprintf_dom_walker::call_info::is_string_func): New helper.
6305         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6306         for formatted string functions.
6307         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6309 2019-02-22  Martin Sebor  <msebor@redhat.com>
6311         PR c/89425
6312         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6313         unreachable subexpressions.
6315 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6316             Hongtao Liu  <hongtao.liu@intel.com>
6317             Sunil K Pandey  <sunil.k.pandey@intel.com>
6319         PR target/87007
6320         * config/i386/i386-passes.def: Add
6321         pass_remove_partial_avx_dependency.
6322         * config/i386/i386-protos.h
6323         (make_pass_remove_partial_avx_dependency): New.
6324         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6325         New function.
6326         (pass_data_remove_partial_avx_dependency): New.
6327         (pass_remove_partial_avx_dependency): Likewise.
6328         (make_pass_remove_partial_avx_dependency): Likewise.
6329         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6330         (*extendsfdf2): Add avx_partial_xmm_update.
6331         (truncdfsf2): Likewise.
6332         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6333         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6335 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6337         PR middle-end/85598
6338         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6339         analysis for pass.
6341 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6343         PR target/89444
6344         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6345         (PTA_SKYLAKE): Add PTA_AES.
6346         (PTA_GOLDMONT): Likewise.
6348 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6350         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6351         instruction if enabled.
6352         (aarch64_override_options): Remove reference to return address key.
6354 2019-02-22  Richard Biener  <rguenther@suse.de>
6356         PR tree-optimization/89440
6357         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6358         not necessary assert.
6360 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6362         PR fortran/72741
6363         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6364         (oacc_replace_fn_attrib_attr): ... this new function.
6365         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6366         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6368 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6370         * config/arm/arm-cpus.in (ares): Rename to...
6371         (neoverse-n1): ... This.  Add ares as alias.
6372         * config/arm/arm-tables.opt: Regenerate.
6373         * config/arm/arm-tune.md: Likewise.
6374         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6376 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6378         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6379         * config/aarch64/aarch64-tune.md: Regenerate.
6380         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6382 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6384         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6385         (neoversen1_tunings): ... This.
6386         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6387         (neoverse-n1): New CPU.
6388         * config/aarch64/aarch64-tune.md: Regenerate.
6389         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6391 2019-02-22  Richard Biener  <rguenther@suse.de>
6393         PR middle-end/87609
6394         * cfghooks.h (dependence_hash): New typedef.
6395         (struct copy_bb_data): New type.
6396         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6397         (duplicate_block): Likewise.
6398         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6399         (copy_bbs): Create and pass down copy_bb_data.
6400         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6401         (rtl_duplicate_bb): Likewise.
6402         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6403         remap dependence info.
6405 2019-02-22  Richard Biener  <rguenther@suse.de>
6407         PR tree-optimization/87609
6408         * tree-core.h (tree_base): Document special clique values.
6409         * tree-inline.c (remap_dependence_clique): Do not use the
6410         special clique value of one.
6411         (maybe_set_dependence_info): Use clique one.
6412         (clear_dependence_clique): New callback.
6413         (compute_dependence_clique): Clear clique one from all refs
6414         before assigning it (again).
6416 2019-02-21  Martin Sebor  <msebor@redhat.com>
6418         * doc/extend.texi (__clear_cache): Correct signature.
6420 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6422         PR go/89170
6423         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6424         than output_constant_def.
6425         (add_constant_to_table): New static function.
6426         (output_constant_def): Call add_constant_to_table.
6427         (tree_output_constant_def): Likewise.
6429 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6431         PR c++/89285
6432         * builtins.c (fold_builtin_arith_overflow): If first two args are
6433         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6434         to ifn.
6436 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6438         PR target/87412
6439         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6440         error for -mindirect-branch/-mfunction-return with incompatible
6441         -fcf-protection.
6443 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6445         PR bootstrap/88714
6446         * constraints.md (q): Remove.
6447         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6448         instead of q.
6450 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6452         PR hsa/89302
6453         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6454         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6455         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6456         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6457         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6458         proper values to new parameters of omp_adjust_for_condition.
6460 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6462         PR middle-end/89412
6463         * expr.c (expand_assignment): If result is a MEM, use change_address
6464         instead of simplify_gen_subreg.
6466 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6467             David Malcolm  <dmalcolm@redhat.com>
6469         PR middle-end/89091
6470         * fold-const.c (decode_field_reference): Return NULL_TREE if
6471         lang_hooks.types.type_for_size returns NULL.  Check it before
6472         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6474 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6476         PR middle-end/88074
6477         PR middle-end/89415
6478         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6479         buggy mpc_norm.
6481 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6483         PR target/89397
6484         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6485         TARGET_SSE in addition to TARGET_SSE_MATH.
6487         (ix86_excess_precision): Ditto.
6488         (ix86_float_exceptions_rounding_supported_p): Ditto.
6489         (use_rsqrt_p): Ditto.
6490         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6492 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6494         PR c/89410
6495         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6496         linenum_arith_t when determining if two adjacent line spans are
6497         close enough to merge.
6498         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6499         lines within each line_span.
6501 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6503         PR target/86487
6504         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6505         paradoxical SUBREGS.
6507 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6509         PR target/88100
6510         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6511         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6512         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6513         range checking it.
6515 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6517         * config/gcn/gcn.c (print_operand): Fix typo.
6519 2019-02-19  Richard Biener  <rguenther@suse.de>
6521         PR middle-end/88074
6522         * toplev.c (do_compile): Initialize mpfr's exponent range
6523         based on available float modes.
6525 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6527         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6528         as long as the epilogue isn't completed.
6530 2019-02-18  Martin Sebor  <msebor@redhat.com>
6532         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6533         __has_cpp_attribute, and __has_include.
6535 2019-02-18  Martin Sebor  <msebor@redhat.com>
6537         * doc/invoke.texi (-Wreturn-type): Correct and expand.
6539 2019-02-18  Martin Sebor  <msebor@redhat.com>
6541         PR middle-end/89294
6542         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6543         expression.
6544         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6546 2019-02-18  Richard Biener  <rguenther@suse.de>
6548         PR tree-optimization/89296
6549         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6550         of no-warning flag to cases that might emit the bogus warning.
6552 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
6554         PR bootstrap/88714
6555         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6556         "q" constraint.
6557         * config/arm/vfp.md (*movdi_vfp): Likewise.
6558         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6559         "q" constraint for operands[0].
6561         PR target/89369
6562         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6563         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6564         pattern in a temporary buffer.
6565         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
6566         than 64-operands[2].
6568         PR target/89361
6569         * config/s390/s390.c (s390_indirect_branch_attrvalue,
6570         s390_indirect_branch_settings): Define unconditionally.
6571         (s390_set_current_function): Likewise, but guard the whole body except
6572         the s390_indirect_branch_settings call with
6573         #if S390_USE_TARGET_ATTRIBUTE.
6574         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6576         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6577         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6578         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6579         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6580         HOST_WIDE_INT_1U instead of 1ULL.
6581         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6582         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6583         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6584         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6585         instead of 1UL.
6586         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6587         instead of 1ul.
6589 2019-02-18  Martin Jambor  <mjambor@suse.cz>
6591         PR tree-optimization/89209
6592         * tree-sra.c (create_access_replacement): New optional parameter
6593         reg_tree.  Use it as a type if non-NULL and access type is not of
6594         a register type.
6595         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6596         to create_access_replacement.
6597         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6598         Check lacc is non-NULL before attempting to re-create it on the RHS.
6600 2019-02-18  Martin Liska  <mliska@suse.cz>
6602         PR ipa/89306
6603         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6604         by default.
6605         (symbol_table::free_edge): Recycle m_summary_id.
6606         * cgraph.h (get_summary_id): New.
6607         (symbol_table::release_symbol): Set m_summary_id to -1
6608         by default.
6609         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6610         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6611         function_summary to fast_function_summary.
6612         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6613         * ipa-pure-const.c (class funct_state_summary_t):
6614         Switch from function_summary to fast_function_summary.
6615         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6616         (class ipa_ref_opt_summary_t): Switch from function_summary
6617         to fast_function_summary.
6618         * symbol-summary.h (class function_summary_base): New class
6619         that is created from base of former function_summary.
6620         (function_summary_base::unregister_hooks): New.
6621         (class function_summary): Inherit from function_summary_base.
6622         (class call_summary_base): New class
6623         that is created from base of former call_summary.
6624         (class call_summary): Inherit from call_summary_base.
6625         (struct is_same): New.
6626         (class fast_function_summary): New summary class.
6627         (class fast_call_summary): New summary class.
6628         * vec.h (vec_safe_grow_cleared): New function.
6630 2019-02-18  Martin Liska  <mliska@suse.cz>
6632         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6633         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6634         * doc/tm.texi: Document new target hook.
6635         * doc/tm.texi.in: Likewise.
6636         * target.def: Add new target macro.
6637         * gcc.c (find_fortran_preinclude_file): Do not search multilib
6638         suffixes.
6640 2019-02-17  Alan Modra  <amodra@gmail.com>
6642         PR target/89271
6643         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6644         output reg on add insn.
6645         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6647 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6649         PR target/89372
6650         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6651         (PMULHRSW): Likewise.
6652         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6653         TARGET_AVX2.
6654         (ssse3_pmulhrswv4hi3): New expander.
6656 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6658         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6659         MMX.  Add isa attribute.
6661 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6663         PR rtl-optimization/66152
6664         * builtins.h (c_readstr): Declare.
6665         * builtins.c (c_readstr): Remove forward declaration.  Add
6666         null_terminated_p argument, if false, read all bytes from the
6667         string instead of stopping after '\0'.
6668         * expr.c (string_cst_read_str): New function.
6669         (store_expr): Use string_cst_read_str instead of
6670         builtin_strncpy_read_str.  Try to store by pieces the whole
6671         exp_len first, and only if that fails, split it up into
6672         store by pieces followed by clear_storage.  Formatting fix.
6674         * config/i386/i386.md (*movqi_internal): Remove static from
6675         buf variable.  Use output_asm_insn (buf, operands); return "";
6676         instead of return buf;.
6677         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6678         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6679         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6681 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6683         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6684         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6685         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6686         (CC1_SPEC): Likewise.
6687         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6689 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6691         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6692         the base address on 64-bit strict-alignment platforms.
6694 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6696         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6698 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6700         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6702 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6704         PR rtl-optimization/88308
6705         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6706         on copied instruction.
6708 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6710         * final.c (insn_current_reference_address): Replace test on JUMP_P
6711         with test on jump_to_label_p.
6712         * config/visium/visium-passes.def: New file.
6713         * config/visium/t-visium (PASSES_EXTRA): Define.
6714         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6715         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6716         (TRAMPOLINE_ALIGNMENT): Define.
6717         * config/visium/visium.c (visium_option_override): Do not register
6718         the machine-specific reorg pass here.
6719         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6720         for the GR6.
6721         (output_branch): Adjust threshold for long branch instruction.
6722         * config/visium/visium.md (cpu): Move around.
6723         (length): Adjust for the GR6.
6725 2019-02-15  Richard Biener  <rguenther@suse.de>
6726             Jakub Jelinek  <jakub@redhat.com>
6728         PR tree-optimization/89278
6729         * tree-loop-distribution.c: Include tree-eh.h.
6730         (generate_memset_builtin, generate_memcpy_builtin): Call
6731         rewrite_to_non_trapping_overflow on builtin->size before passing it
6732         to force_gimple_operand_gsi.
6734 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6736         PR other/89342
6737         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6738         optimize_debug.
6739         * opth-gen.awk: Likewise.
6741 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6743         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6744         Enable MMX, SSE and SSE2 by default.
6745         * config/i386/i386.c (ix86_option_override_internal): Do not
6746         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6748 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6750         PR rtl-optimization/89354
6751         * combine.c (make_extraction): Punt if extraction_mode is narrower
6752         than len bits.
6754 2019-02-14  Maya Rashish  <coypu@sdf.org>
6756         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6757         * config/netbsd-d.c: New file.
6758         * config/t-netbsd: Add netbsd-d.o
6760 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6762         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6763         affects_type_identity to true for aarch64_vector_pcs.
6764         (aarch64_comp_type_attributes): New function.
6765         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6767 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6769         PR target/88850
6770         * config/arm/iterators.md (ANY64): Add V4HF.
6772 2019-02-14  Martin Liska  <mliska@suse.cz>
6774         PR rtl-optimization/89242
6775         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6776         process a transformation.
6778 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6780         PR tree-optimization/89314
6781         * fold-const.c (fold_binary_loc): Cast strlen argument to
6782         const char * before dereferencing it.  Formatting fixes.
6784         PR middle-end/89284
6785         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6787 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6789         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6790         and set current index for other optimizations.
6792 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6794         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6795         nonimmediate_operand as operand 2 predicate.
6796         (vec_set<VF2_512_256:mode>_0): Ditto.
6797         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6798         (*vec_concatv2si): Remove alternative 2.
6799         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6800         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6801         (vec_concatv2di): Split alternatives 4,5,6 to ...
6802         (*vec_concatv2di_0) ... new pattern.
6804 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6806         PR target/89190
6807         * config/arm/arm.c (ldm_stm_operation_p) Set
6808         addr_reg_in_reglist correctly for first register.
6809         (load_multiple_sequence): Remove dead base check.
6810         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6812 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6814         PR target/88847
6815         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6816         Expose as @aarch64_pred_mov.
6817         * config/aarch64/aarch64.c (aarch64_classify_address):
6818         Use expand_insn which legitimizes operands.
6820 2019-02-13  Martin Liska  <mliska@suse.cz>
6822         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6823         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6824         and pointer_offset fields.
6825         (initialize_argument_information): Remove usage of dead
6826         fields.
6827         * cgraph.h (struct cgraph_thunk_info): Remove
6828         add_pointer_bounds_args.
6829         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6830         fields.
6831         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6832         fields.
6833         * config/i386/i386.c (ix86_function_arg_advance): Remove
6834         unrelated comment.
6835         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6836         (def_builtin):  Remove usage of dead
6837         fields.
6838         (ix86_add_new_builtins): Likewise.
6839         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6840         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6841         (sem_function::init): Likewise.
6842         (sem_variable::merge): Likewise.
6843         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6844         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6845         * lto-cgraph.c (lto_output_node): Likewise.
6846         (lto_output_varpool_node): Likewise.
6847         (input_node): Likewise.
6848         (input_varpool_node): Likewise.
6849         * lto-streamer-out.c (lto_output): Likewise.
6850         * tree-inline.c (expand_call_inline): Remove usage of
6851         assign_stmts.
6852         * tree-inline.h (struct copy_body_data): Likewise.
6853         * varpool.c (varpool_node::dump): Likewise.
6855 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6857         PR middle-end/89303
6858         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6859         into pt->vars_contains_escaped_heap instead of setting
6860         pt->vars_contains_escaped_heap to it.
6862         PR middle-end/89281
6863         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6864         INTVAL (size), compare it to GET_MODE_MASK instead of
6865         1 << GET_MODE_BITSIZE.
6867         PR target/89290
6868         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6869         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6870         -mcmodel=large.
6872 2019-02-13  Martin Liska  <mliska@suse.cz>
6874         PR lto/88858
6875         * cfgrtl.c (remove_barriers_from_footer): New function.
6876         (try_redirect_by_replacing_jump): Use it.
6877         (cfg_layout_redirect_edge_and_branch): Likewise.
6879 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6881         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6882         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6883         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6884         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6885         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6886         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6887         New BU_CRYPTO_2.
6888         * config/rs6000/rs6000.c (builtin_function_type)
6889         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6890         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6891         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6892         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6893         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6895 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6897         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6898         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6900 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6902         PR target/89229
6903         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6904         268678 and revision 268657.
6905         (*movti_internal): Likewise.
6907 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6909         PR target/89233
6910         * config/s390/s390.c (s390_decompose_address): Update comment.
6911         (s390_check_qrst_address): Reject invalid address forms after
6912         LRA.
6914 2019-02-12  Martin Liska  <mliska@suse.cz>
6916         PR lto/88876
6917         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6918         we need default values of funct_state for a function that
6919         is not optimized.
6921 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6923         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6924         the object to pick the size of stores on strict-alignment platforms.
6926         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6927         (*movdi_insn_sp32): Likewise.
6928         (*movdi_insn_sp64): Likewise.
6930 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6932         PR lto/88677
6933         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6934         types that needs constructiong.
6935         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6937 2019-02-12  Richard Biener  <rguenther@suse.de>
6939         PR tree-optimization/89253
6940         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6941         duplicate the loop.
6943 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6945         PR lto/88147
6946         * input.c (selftest::test_line_offset_overflow): New selftest.
6947         (selftest::input_c_tests): Call it.
6949 2019-02-11  Martin Sebor  <msebor@redhat.com>
6951         PR tree-optimization/88771
6952         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6953         when -Wstringop-overflow is set.
6954         (builtin_memref::builtin_memref): Adjust excessive upper bound
6955         only when lower bound is not excessive.
6956         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6957         -Wstringop-ovefflow.
6958         (maybe_diag_offset_bounds): Rename...
6959         (maybe_diag_access_bounds): ...to this.
6960         (check_bounds_or_overlap): Adjust for name change above.
6962 2019-02-11  Martin Sebor  <msebor@redhat.com>
6964         PR c++/87996
6965         * builtins.c (max_object_size): Move from here...
6966         * builtins.h (max_object_size): ...and here...
6967         * tree.c (max_object_size): ...to here...
6968         * tree.h (max_object_size): ...and here.
6970 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6972         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6973         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6974         for correct semantics.
6976 2019-02-11  Alan Modra  <amodra@gmail.com>
6978         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6979         -mlongcall and -mpltseq.
6980         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6981         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6982         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6983         * config/rs6000/sysv4.opt (mpltseq): New option.
6984         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6985         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6986         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6987         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6988         -mpltseq given for ELFv1.
6989         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6990         Only use UNSPEC_PLTSEQ for inline PLT calls.
6991         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6992         use UNSPEC_PLTSEQ for inline PLT calls.
6993         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6994         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6995         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6996         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6997         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6998         (pltseq_mtctr_<mode>): Likewise.
7000 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7002         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7003         Solaris ld.
7004         * configure: Regenerate.
7006 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7008         PR bootstrap/88714
7009         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7010         instead of r.
7012 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7014         * function.c (assign_parm_setup_block): Use the stored
7015         size, not the passed size, when allocating stack-space,
7016         also for a parameter with alignment larger than
7017         MAX_SUPPORTED_STACK_ALIGNMENT.
7019 2019-02-11  Martin Liska  <mliska@suse.cz>
7021         PR ipa/89009
7022         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7023         * ipa-inline.c (inline_small_functions): Likewise.
7024         * ipa-pure-const.c (propagate_pure_const): Likewise.
7025         (propagate_nothrow): Likewise.
7026         * ipa-reference.c (propagate): Likewise.
7027         * ipa-utils.c (struct searchc_env): Remove unused field.
7028         (searchc): Always search across AVAIL_INTERPOSABLE.
7029         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7030         the only called IPA pure const can properly not propagate
7031         across interposable boundary.
7032         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7034 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7036         * config/nds32/nds32.md (call_internal, call_value_internal,
7037         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7039 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7041         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7042         typo.
7044 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7046         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7047         in comments
7049 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7051         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7053 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7055         PR tree-optimization/89268
7056         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7057         if preds is non-NULL.
7059 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7061         PR lto/89272
7062         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7063         polymorphic types.
7065 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7067         * config/nds32/nds32.md (trap): New pattern.
7069 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7071         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7072         dwarf span.
7074 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7076         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7077         to split POST_INC.
7079 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7081         * ipa-visibility.c (localize_node): Also do not localize
7082         LDPR_PREVAILING_DEF_IRONLY_EXP.
7084 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7086         PR lto/87957
7087         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7088         instead of type_with_linkage.
7090 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7092         PR ipa/88755
7093         * params.def (uninlined-function-insns, uninlined-function-time,
7094         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7095         bound so we don't get overflows.
7097 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
7099         * config/rs6000/rs6000-string.c (expand_compare_loop,
7100         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7101         memcmp/strncmp.
7103 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7105         PR middle-end/89246
7106         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7107         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7108         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7110 2019-02-09  Alan Modra  <amodra@gmail.com>
7112         PR target/88343
7113         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7114         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7115         setup.
7117 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7119         PR middle-end/88560
7120         * lra-constraints.c (process_alt_operands): Don't increase reject
7121         for memory when offset memory is required.
7123 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7125         * config/s390/vector.md: Implement vector copysign.
7127 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7129         * expr.c (expand_constructor): Correct indentations.
7131 2019-02-08  Richard Biener  <rguenther@suse.de>
7133         PR tree-optimization/89247
7134         * tree-if-conv.c: Include tree-cfgcleanup.h.
7135         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7136         (tree_if_conversion): Pass through predicate vector.
7137         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7138         inline, see if any if-converted loops we refrece in
7139         LOOP_VECTORIZED calls vanished and fixup.
7140         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7142 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7144         * config/s390/constraints.md (jdd): New constraint.
7146 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7148         PR target/89229
7149         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7150         upper 16 vector registers without TARGET_AVX512VL.
7151         (*movti_internal): Likewise.
7153 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7155         PR rtl-optimization/89234
7156         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7157         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7158         (copy_reg_eh_region_note_backward): Likewise.
7160 2019-02-08  Richard Biener  <rguenther@suse.de>
7162         PR middle-end/89223
7163         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7164         doesn't fit in HWI.
7165         (analyze_subscript_affine_affine): Handle failure from
7166         initialize_matrix_A.
7168 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7170         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7171         cfun everywhere.
7173 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7175         PR tree-optimization/86637
7176         PR tree-optimization/89235
7177         * tree-vect-loop.c (optimize_mask_stores): Add an
7178         auto_purge_vect_location sentinel to ensure that vect_location is
7179         purged on exit.
7180         * tree-vectorizer.c
7181         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7182         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7183         to ensure that vect_location is purged on exit.
7184         (pass_slp_vectorize::execute): Likewise, replacing the manual
7185         reset.
7186         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7188 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7190         * config/aarch64/iterators.md (max_opp): New code_attr.
7191         (USMAX): New code iterator.
7192         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7193         (aarch64_smax): Likewise.
7194         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7195         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7196         MINUS (MAX MIN).
7198 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7200         PR target/89229
7201         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7202         for TARGET_AVX512VL.
7203         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7205 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7207         * config/s390/s390-builtin-types.def: Add new types.
7208         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7209         (s390_vec_xlw4): Make the memory operand into a const pointer.
7210         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7211         float.
7212         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7213         a new vector type with the alignment of the scalar memory operand.
7215 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7216             Jakub Jelinek  <jakub@redhat.com>
7218         PR bootstrap/88714
7219         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7220         arm_count_ldrdstrd_insns): New declarations.
7221         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7222         MINUS.
7223         (valid_operands_ldrd_strd): New function.
7224         (arm_count_ldrdstrd_insns): New function.
7225         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7226         sets instead of single DImode set and define new insns to match this.
7228 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7230         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7231         Make it a C initializer.
7233 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7235         PR/target 88850
7236         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7238 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7240         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7241         Use neon_dot<q> for type.
7242         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7244 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7246         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7247         Use neon_dot<q> for type.
7248         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7249         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7251 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7253         PR rtl-optimization/89225
7254         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7255         sizes check.
7257 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7259         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7260         after restoring registers saved to allocate the frame on Windows.
7262 2019-02-06  Richard Biener  <rguenther@suse.de>
7264         PR tree-optimization/89182
7265         * graphite.h (cached_scalar_evolution_in_region): Declare.
7266         * graphite.c (struct seir_cache_key): New.
7267         (struct sese_scev_hash): Likewise.
7268         (seir_cache): New global.
7269         (cached_scalar_evolution_in_region): New function.
7270         (graphite_transform_loops): Allocate and release seir_cache.
7271         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7272         cached_scalar_evolution_in_region.
7273         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7274         Simplify.
7275         (scop_detection::graphite_can_represent_expr: Use
7276         cached_scalar_evolution_in_region.
7277         (scop_detection::stmt_simple_for_scop_p): Likewise.
7278         (find_params_in_bb): Likewise.
7279         (gather_bbs::before_dom_children): Likewise.
7280         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7281         (add_loop_constraints): Likewise.
7283 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7285         PR middle-end/89210
7286         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7287         operand to new_unary_operation only if both element types are integral
7288         and it isn't a widening conversion.  Return NULL_TREE if
7289         new_unary_operation failed.
7291 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7293         PR target/88856
7294         * config/s390/s390.md: Remove load and test FP splitter.
7296 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7298         PR target/89112
7299         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7300         expand_compare_loop, expand_block_compare_gpr,
7301         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7302         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7303         #include "profile-count.h" and "predict.h" for types and functions
7304         needed to work with REG_BR_PROB notes.
7306 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7308         PR target/89112
7309         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7310         for the long branch case.
7312 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7314         PR target/89188
7315         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7316         can throw, non-call exceptions are enabled and we can't delete
7317         dead exceptions or alter cfg.  Set must_clean if
7318         delete_insn_and_edges returns true, don't set it blindly for calls.
7319         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7321         PR rtl-optimization/89195
7322         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7323         of the original MEM.
7325 2019-02-05  Martin Liska  <mliska@suse.cz>
7327         PR gcov-profile/89000
7328         * gcov.c (function_summary): Remove argument.
7329         (file_summary): New function.
7330         (print_usage): Replace tabs with spaces.
7331         (generate_results): Use new function file_summary.
7333 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7335         PR target/89186
7336         * optabs.c (prepare_cmp_insn): Pass x and y to
7337         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7339 2019-02-05  Richard Biener  <rguenther@suse.de>
7341         PR middle-end/89150
7342         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7343         (struct bitmap_element): Drop chain_prev so we properly recurse on
7344         the prev member, supporting tree views.
7345         (struct bitmap_head): GTY skip the obstack member.
7347 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7349         PR c/88698
7350         * doc/extend.texi (Vector Extensions): Add an example of using vector
7351         types together with x86 intrinsics.
7353 2019-02-04  Alan Modra  <amodra@gmail.com>
7355         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7356         str[] size to 160, and comment.
7358 2019-02-04  Alan Modra  <amodra@gmail.com>
7360         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7361         (rs6000_pltseq_template): Guard output of TLS markers with
7362         TARGET_TLS_MARKERS.
7363         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7364         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7365         to use inline PLT sequences.
7366         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7367         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7368         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7370 2019-02-04  Martin Liska  <mliska@suse.cz>
7372         PR ipa/88985
7373         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7374         out when ipa_fn_summaries does not contain entry for callee.
7376 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7378         * config/sparc/sparc.h: Remove superfluous blank lines.
7379         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7380         (got_register_rtx): ...this.
7381         (sparc_got): Adjust to above renaming.
7382         (sparc_tls_got): Likewise.
7383         (sparc_delegitimize_address): Likewise.
7384         (sparc_output_mi_thunk): Likewise.
7385         (sparc_init_pic_reg): Likewise.
7386         (save_local_or_in_reg_p): Fix test on the GOT register.
7387         (USE_HIDDEN_LINKONCE): Move around.
7388         (get_pc_thunk_name): Likewise.
7389         (gen_load_pcrel_sym): Likewise.
7390         (load_got_register): Likewise.
7392 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7394         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7395         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7397 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7399         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7400         into consideration.
7402 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7404         * config.gcc (with_nds32_lib, glibc):
7405         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7406         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7407         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7409 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7411         PR target/89071
7412         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7413         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7414         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7415         (*rcpsf2_sse): Ditto.
7416         (*rsqrtsf2_sse): Ditto.
7417         (sse4_1_round<mode<2): Ditto.
7419 2019-02-03  Richard Biener  <rguenther@suse.de>
7421         PR debug/87295
7422         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7423         orig.
7425 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7427         PR middle-end/87887
7428         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7429         Punt with warning on aggregate return or argument types.  Ignore
7430         type/mode checking for uniform arguments.
7432 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7434         * combine.c (try_combine): Do not print "Can't combine" messages unless
7435         printing failed combination attempts.
7437 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7439         PR hsa/87863
7440         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7441         segment and global segment variables before making them static.
7443 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7445         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7446         missed optimization dump with dump_enabled_p.
7448 2019-02-01  Richard Biener  <rguenther@suse.de>
7450         PR middle-end/88597
7451         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7452         the instantiate cache.
7453         (instantiate_scev_binary): Elide second operand procesing
7454         if equal to the first.
7455         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7456         (chrec_contains_undetermined): Likewise.
7457         (tree_contains_chrecs): Likewise.
7459 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7461         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7463 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7465         PR tree-optimization/89143
7466         * wide-int-range.h (wide_int_range_absu): Declare.
7467         * wide-int-range.cc (wide_int_range_absu): New function.
7468         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7470         PR tree-optimization/88107
7471         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7472         instead of assertion that eh_region_outermost is non-NULL, if it
7473         is NULL, set *ALL to true and return NULL.
7474         (move_sese_region_to_fn): Adjust caller, if all is set, call
7475         duplicate_eh_regions with NULL region.
7477 2019-02-01  Richard Biener  <rguenth@suse.de>
7479         PR rtl-optimization/88593
7480         * mode-switching.c (optimize_mode_switching): Free dominators before
7481         calling cleanup_cfg.
7483 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7485         PR tree-optimization/88932
7486         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7488 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7490         PR middle-end/89137
7491         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7492         bogus clang warning.
7494 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7496         PR target/89071
7497         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7498         alternative to avoid partial SSE register stall for TARGET_AVX.
7499         (truncdfsf2): Ditto.
7500         (sse4_1_round<mode>2): Ditto.
7502 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7504         PR tree-optimization/89008
7505         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7506         process anything of the form X * 0.
7508 2019-01-31  Richard Biener  <rguenther@suse.de>
7510         PR tree-optimization/89135
7511         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7512         with abnormal preds.
7514 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7516         PR sanitizer/89124
7517         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7518         always_inline callees into no_sanitize_address callers.
7520 2019-01-31  Richard Biener  <rguenther@suse.de>
7522         PR rtl-optimization/89115
7523         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7525 2019-01-30  Martin Sebor  <msebor@redhat.com>
7527         PR other/89106
7528         * doc/extend.texi (cast to a union): Correct and expand.
7530 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
7532         PR rtl-optimization/87246
7533         * lra-constraints.c (simplify_operand_subreg): Reload memory
7534         in subreg if the address became invalid.
7536 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
7538         PR target/87064
7539         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7540         Disable for little-endian.
7542 2019-01-30  Richard Biener  <rguenther@suse.de>
7544         PR rtl-optimization/89115
7545         * opts.c (default_options_optimization): Reduce
7546         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7547         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7548         to the default.
7550 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7552         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7553         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
7554         type of vector element when vec_extract is implemented by direct
7555         move.
7557 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
7559         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7561 2019-01-30  Richard Biener  <rguenther@suse.de>
7563         PR tree-optimization/89111
7564         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7565         canonicalization to appropriately sized access types.
7567 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
7569         PR c++/89105
7570         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7571         for arguments to functions that are TU-local and shouldn't be
7572         referenced by assembly.
7574 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
7576         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7577         after '='.
7579 2019-01-29  Martin Sebor  <msebor@redhat.com>
7581         PR c/88956
7582         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7584 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
7586         PR c++/66676
7587         PR ipa/89104
7588         * omp-simd-clone.c (simd_clone_clauses_extract)
7589         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7590         OMP_CLAUSE_ALIGNED_ALIGNMENT.
7592 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
7594         * config.gcc: Force .init_array for ARC.
7596 2019-01-29  Richard Biener  <rguenther@suse.de>
7598         PR debug/87295
7599         * dwarf2out.c (collect_skeleton_dies): New helper.
7600         (copy_decls_for_unworthy_types): Call it.
7601         (build_abbrev_table): Assert we do not try to replace
7602         DW_AT_signature refs with local refs.
7604 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7606         PR middle-end/89002
7607         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7608         for lastprivate/linear IV, push gimplify context around gimplify_assign
7609         and, if it needed any temporaries, pop it into a gimple bind around the
7610         sequence.
7612 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7614         * common.opt (-Wattribute-alias): Remove "no-" from name.
7615         Make -Wattribute-alias command line option and
7616         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7618 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7620         PR target/89073
7621         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7622         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7623         x86 ISA options.
7624         (bmi2): Add missing @opindex.
7625         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7626         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
7627         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7628         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7629         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7630         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7631         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7632         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7633         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7634         xsavec, xsaveopt and xsaves options.
7636 2019-01-28  Richard Biener  <rguenther@suse.de>
7638         PR debug/89076
7639         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7640         support removal.
7642 2019-01-28  Richard Biener  <rguenther@suse.de>
7644         PR tree-optimization/88739
7645         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7646         BIT_FIELD_REFs only are applied to mode-precision operands
7647         when they are integral.
7648         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7649         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7650         BIT_FIELD_REFs of non-mode-precision integral operands.
7652 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7654         PR target/87214
7655         * config/i386/sse.md
7656         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7657         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7658         first constants in pairs are multiples of 2.  Formatting fixes.
7659         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7660         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7661         first constants in each quadruple are multiples of 4.  Formatting fixes.
7663 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7665         PR ipa/88933
7666         * tree-inline.c: Include tree-cfgcleanup.h.
7667         (delete_unreachable_blocks_update_callgraph): Move...
7668         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7669         ...here, make externally visible, make second argument bool, adjust
7670         all callers.
7671         * tree-cfgcleanup.c: Include cgraph.h.
7672         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7673         Declare.
7674         * ipa-prop.c: Include tree-cfgcleanup.h.
7675         (ipcp_transform_function): Call
7676         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7678 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7680         PR rtl-optimization/88846
7681         * ira.c (process_set_for_memref_referenced_p): New.
7682         (memref_referenced_p): Add new param.  Use
7683         process_set_for_memref_referenced_p.  Add new switch cases.
7684         (memref_used_between_p): Pass new arg to memref_referenced_p.
7686 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7688         PR target/88469
7689         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7690         argument ABI_BREAK.  Set to true if the calculated alignment has
7691         changed in gcc-9.  Check bit-fields for their base type alignment.
7692         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7693         (aarch64_function_arg_boundary): Likewise.
7694         (aarch64_gimplify_va_arg_expr): Likewise.
7696 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7698         PR middle-end/89037
7699         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7700         instead of accessing TREE_INT_CST_ELT directly.
7702 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7704         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7705         fenv_exceptions description.
7707 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7709         PR rtl-optimization/87763
7710         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7711         Allow SUBREG when matching CC_NZmode compare.
7713 2019-01-25  Richard Biener  <rguenther@suse.de>
7715         PR tree-optimization/89049
7716         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7717         Look at the pattern stmt to determine if the stmt is vectorized.
7719 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7721         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7722         (pred_mov<mode>): Handle all-register forms using both a new
7723         alternative and a split.
7725 2019-01-25  Richard Biener  <rguenther@suse.de>
7727         PR tree-optimization/86865
7728         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7729         Reject non-do-while loops.
7731 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7733         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7734         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7735         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7736         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7737         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7738         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7739         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7740         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7741         vlogical_operand, gpc_reg_operand, int_reg_operand,
7742         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7743         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7744         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7745         (save_world_operation, restore_world_operation, lmw_operation,
7746         stmw_operation): Use MEM_P and REG_P.
7747         (tie_operand): Use MEM_P.
7748         (vrsave_operation, crsave_operation): Use REG_P.
7749         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7750         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7751         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7752         (call_operand): Use HARD_REGISTER_P.
7753         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7754         Use CONST_INT_P.
7755         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7756         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7757         quad_aligned_load_p, replace_swapped_aligned_store,
7758         recombine_lvx_pattern, replace_swapped_aligned_load,
7759         recombine_stvx_pattern): Use MEM_P.
7760         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7761         Use MEM_P and SYMBOL_REF_P.
7762         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7763         (insn_is_swappable_p): Use REG_P and MEM_P.
7764         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7765         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7766         Use CONST_INT_P.
7767         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7768         Use CONST_DOUBLE_P.
7769         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7770         CONST_WIDE_INT_P.
7771         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7772         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7773         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7774         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7775         reg_or_subregno:
7776         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7777         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7778         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7779         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7780         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7781         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7782         rs6000_split_logical_di): Use CONST_INT_P.
7783         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7784         REG_P and SYMBOL_REF_P.
7785         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7786         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7787         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7788         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7789         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7790         (small_data_operand, print_operand_address): Use CONST_INT_P and
7791         SYMBOL_REF_P.
7792         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7793         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7794         Use HARD_REGISTER_NUM_P.
7795         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7796         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7797         SUBREG_P and SYMBOL_REF_P.
7798         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7799         and HARD_REGISTER_NUM_P.
7800         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7801         reg_or_subregno.
7802         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7803         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7804         MEM_P and REG_P.
7805         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7806         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7807         find_addr_reg): Use REG_P.
7808         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7809         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7810         (offsettable_ok_by_alignment, constant_pool_expr_p,
7811         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7812         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7813         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7814         rs6000_assemble_integer, create_TOC_reference,
7815         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7816         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7817         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7818         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7819         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7820         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7821         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7822         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7823         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7824         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7825         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7826         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7827         and cbranch<mode>4): Use CONST_INT_P.
7828         (multiple define_splits): Use REG_P and SUBREG_P.
7829         (define_expands call, call_value): Use MEM_P.
7830         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7831         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7832         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7833         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7834         and HARD_REGISTER_NUM_P.
7835         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7837 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7839         PR rtl-optimization/88948
7840         * rtl.h (prepare_copy_insn): New prototype.
7841         * gcse.c (prepare_copy_insn): New function, split out from
7842         process_insert_insn.
7843         (process_insert_insn): Use prepare_copy_insn.
7844         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7845         instead of gen_move_insn.
7847 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7849         PR debug/89006
7850         * config/i386/i386.c (ix86_pic_register_p): Return true for
7851         UNSPEC_SET_GOT too.
7853         PR tree-optimization/88964
7854         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7855         punt if HONOR_SNANS (chrec).
7857         PR middle-end/89015
7858         * tree-nested.c (convert_nonlocal_reference_stmt,
7859         convert_local_reference_stmt, convert_tramp_reference_stmt,
7860         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7861         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7862         or GIMPLE_OMP_TASK.
7864         PR tree-optimization/89027
7865         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7866         for "omp simd array" variables.
7868 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7870         PR target/88469
7871         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7872         force the alignment of m_val.
7874 2019-01-24  Richard Biener  <rguenther@suse.de>
7876         PR lto/87187
7877         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7878         When in "legacy" debug mode make sure to reset self-origins.
7880 2019-01-24  Martin Liska  <mliska@suse.cz>
7882         PR gcov-profile/88994
7883         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7884         result will be always smaller or equal to the original.
7885         * gcov.c (mangle_name): Fix else branch where we should
7886         also copy to PTR and shift the pointer.
7888 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7890         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7891         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7893 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
7895         * common/config/i386/i386-common.c
7896         (OPTION_MASK_ISA_ENQCMD_SET,
7897         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
7898         (ix86_handle_option): Handle -menqcmd.
7899         * config.gcc (enqcmdintrin.h): New header file.
7900         * config/i386/cpuid.h (bit_ENQCMD): New bit.
7901         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
7902         -menqcmd.
7903         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
7904         function type.
7905         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
7906         __builtin_ia32_enqcmds): New builtins.
7907         * config/i386/i386-c.c (__ENQCMD__): New macro.
7908         * config/i386/i386-option.c (ix86_target_string): Add
7909         -menqcmd.
7910         (ix86_valid_target_attribute_inner_p): Likewise.
7911         * config/i386/i386-expand.c
7912         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
7913         IX86_BUILTIN_ENQCMDS.
7914         * config/i386/i386.h (TARGET_ENQCMD): New.
7915         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
7916         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
7917         (movdir64b_<mode>): Parameterize to enable share expansion code
7918         with ENQCMD in function ix86_expand_builtin.
7919         * config/i386/i386.opt: Add -menqcmd.
7920         * config/i386/immintrin.h: Include enqcmdintrin.h.
7921         * config/i386/enqcmdintrin.h: New intrinsic file.
7922         * doc/invoke.texi: Add -menqcmd.
7924 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7925             Steve Ellcey <sellcey@marvell.com>
7927         PR target/85711
7928         * recog.c (address_operand): Return false on wrong mode for address.
7929         (constrain_operands): Check for mode with 'p' constraint.
7931 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7933         PR target/88998
7934         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7935         Disparage MMX alternative.
7936         (sse2_cvtpd2pi): Ditto.
7937         (sse2_cvttpd2pi): Ditto.
7939 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7941         PR driver/89014
7942         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7943         use-after-free of the result of
7944         aarch64_get_extension_string_for_isa_flags.
7946 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7948         PR c/44715
7949         * doc/extend.texi: Document break and continue behavior in
7950         statement expressions.
7952 2019-01-23  Richard Biener  <rguenther@suse.de>
7954         PR tree-optimization/89008
7955         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7956         not leave another stray operand.
7958 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7960         * BASE-VER: Bump to 9.0.1.
7962 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7964         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7965         thunk that returns by reference, use the type of the return object
7966         of the thunk instead of that of the alias to build the dereference.
7968 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7970         * config/arc/atomic.md: Add operand to DMB instruction.
7972 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7974         PR tree-optimization/88964
7975         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7976         build_zero_cst instead of build_int_cst.  Return false for loop
7977         invariants which honor signed zeros.
7979 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7981         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7983 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7985         PR target/88965
7986         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7987         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7988         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7990         PR middle-end/88968
7991         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7992         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7994         PR target/87064
7995         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7996         Disable for little endian.
7998 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8000         PR target/88469
8001         * config/arm/arm.c (arm_needs_double_word_align): Check
8002         DECL_BIT_FIELD_TYPE.
8004 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8005             H.J. Lu  <hongjiu.lu@intel.com>
8007         PR target/88909
8008         * config/i386/i386-builtin.def: Add mask2 to all builtin
8009         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8010         SPECIAL_ARGS.
8011         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8012         (BDESC_FIRST): Likewise.
8013         (define_builtin): Add an argument for mask2.  Updated to handle
8014         both ix86_isa_flags and ix86_isa_flags2.
8015         (define_builtin_const): Likewise.
8016         (define_builtin_pure): Likewise.
8017         (define_builtin2): Deleted.
8018         (define_builtin_const2): Likewise.
8019         (builtin_description): Add a member, mask2.
8020         (bdesc_*): Add mask2 to builtin initializations.
8021         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8022         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8023         support.
8024         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8026 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8028         PR target/88954
8029         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8030         noplt attribute.
8032 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8034         PR target/88469
8035         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8036         alignment is dominated by a bitfield with 64-bit aligned base type.
8037         (arm_function_arg): Emit a warning if the alignment has changed since
8038         earlier GCC releases.
8039         (arm_function_arg_boundary): Likewise.
8040         (arm_setup_incoming_varargs): Likewise.
8042 2019-01-22  Richard Biener  <rguenther@suse.de>
8044         PR tree-optimization/88862
8045         * graphite-scop-detection.c
8046         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8048 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8050         * doc/extend.tex (AMD GCN Function Attributes): New section.
8051         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8052         * doc/invoke.texi (AMD GCN Options): New section.
8053         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8055 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8057         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8058         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8060 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8062         PR tree-optimization/88044
8063         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8064         is false in the first iteration, but !every_iteration, return false
8065         instead of true with niter->niter zero.
8067         PR rtl-optimization/88904
8068         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8069         any nonequal registers before processing BB_END (b).
8071         PR target/88905
8072         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8073         GET_MODE (op0).
8074         (expand_binop_directly, expand_doubleword_clz,
8075         expand_doubleword_popcount, expand_ctz, expand_ffs,
8076         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8078         PR rtl-optimization/49429
8079         PR target/49454
8080         PR rtl-optimization/86334
8081         PR target/88906
8082         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8083         addressable from here...
8084         (emit_block_op_via_libcall): ... to here.
8086 2019-01-22  Richard Biener  <rguenther@suse.de>
8088         * tree-vect-loop.c (vect_analyze_loop_operations): Use
8089         auto_vec for cost vector to fix memleak.
8090         (vectorize_fold_left_reduction): Properly gather SLP defs.
8091         (vectorizable_comparison): Do not swap operands to properly
8092         gather SLP defs.
8094 2019-01-22  Alan Modra  <amodra@gmail.com>
8096         PR target/88614
8097         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8098         stays a reg.  Allow a const_int.
8099         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8100         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8101         (IS_NOMARK_TLSGETADDR): Define.
8102         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8103         (rs6000_output_tlsargs): New function.
8104         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8105         __tls_get_addr call takes an arg.
8106         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8107         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8108         delete split..
8109         (call_value_nonlocal_sysv): ..or here, delete split.
8110         (tls_gdld_nomark): Delete.
8111         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8112         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8113         (call_value_nonlocal_sysv): Likewise.
8114         (call_value_nonlocal_sysv_secure): Likewise.
8115         (call_value_nonlocal_aix): Likewise.
8116         (call_value_indirect_aix): Likewise.
8117         (call_value_indirect_elfv2): Likewise.
8118         (call_value_local32, call_value_local64): Disable for no-mark tls.
8119         (call_value_local_aix): Likewise.
8121 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8123         PR target/88938
8124         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8125         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8127 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8129         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8130         string contents as hash_map keys.
8132 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8134         PR c/88928
8135         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8136         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8137         instead of TYPE_ALIGN.
8138         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8139         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8140         pointer from TYPE_STUB_DECL.
8142 2019-01-21  Richard Biener  <rguenther@suse.de>
8144         PR tree-optimization/88934
8145         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8146         at the possibly non-constant operand.
8147         (vect_get_constant_vectors): Adjust.
8149 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8151         PR target/71659
8152         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8153         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8154         instead of _X86INTRIN_H_INCLUDED.
8155         * onfig/i386/clwbintrin.h: Likewise.
8156         * config/i386/pkuintrin.h: Likewise.
8157         * config/i386/prfchwintrin.h: Likewise.
8158         * config/i386/rdseedintrin.h: Likewise.
8159         * config/i386/wbnoinvdintrin.h: Likewise.
8160         * config/i386/xsavecintrin.h: Likewise.
8161         * config/i386/xsavesintrin.h: Likewise.
8162         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8163         * config/i386/xsaveintrin.h: Likewise.
8164         * config/i386/xsaveoptintrin.h: Likewise.
8165         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8166         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8167         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8168         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8169         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8170         * config/i386/immintrin.h: Here.
8172 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8174         PR ipa/87615
8175         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8176         with aa_walk_budget.
8177         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8178         aa_walk_budget_p parameter.
8179         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8180         walk.  Updated all callers.
8181         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8182         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8183         unmodified_parm.
8184         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8185         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8186         and to unmodified_parm.
8187         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8188         info, updated call to will_be_nonconstant_expr_predicate.
8189         (param_change_prob): New parameter fbi, limit AA walking.
8190         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8191         calls to various above functions.
8192         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8193         parameter.  Use it to limit AA walking.
8194         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8195         fbi, limit AA walk.
8196         (detect_type_change): New parameter fbi, pass it on to
8197         detect_type_change_from_memory_writes.
8198         (detect_type_change_ssa): Likewise.
8199         (aa_overwalked): Removed.
8200         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8201         accordingly, adjust to the neew AA limiting scheme.
8202         (parm_ref_data_preserved_p): Likewise.
8203         (ipa_compute_jump_functions_for_edge): Adjust call to
8204         get_dynamic_type.
8205         (ipa_analyze_call_uses): Likewise.
8206         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8207         (ipa_analyze_node): Initialize aa_walk_budget.
8208         (ipcp_transform_function): Likewise.
8209         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8210         to get_dynamic_type.
8212 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8214         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8215         outside of #if CHECKING_P code.
8217 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8219         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8220         New function, split out from...
8221         (loop_versioning::analyze_stride): ...here.
8222         (loop_versioning::find_per_loop_multiplication): Use gassign.
8223         (loop_versioning::analyze_term_using_scevs): Return a success code.
8224         (loop_versioning::analyze_arbitrary_term): New function.
8225         (loop_versioning::analyze_address_fragment): Use
8226         analyze_arbitrary_term if all else fails.
8228 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8230         PR target/88892
8231         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8232         operands.
8234 2019-01-18  Richard Biener  <rguenther@suse.de>
8236         PR tree-optimization/88903
8237         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8238         scalar stmts a SLP shift amount is composed of when detecting
8239         shifts by scalars.
8241 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8243         PR target/88799
8244         * config/arm/arm-cpus.in (mp): New feature.
8245         (sec): New feature.
8246         (fgroup ARMv7ve): Add mp and sec features.
8247         (arch armv7-a): Add options to allow mp and sec extensions.
8248         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8249         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8250         extenstions to the base architecture.
8251         (cpu cortex-a8): Add sec extension to the base architecture.
8252         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8253         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8254         variants down to the base v7-a varaint.
8255         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8256         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8257         of permitted extensions for -march=armv7-a and for
8258         -mcpu=generic-armv7-a.
8260 2019-01-18  Martin Liska  <mliska@suse.cz>
8262         * params.def: Fix comment.
8263         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8264         name.
8265         (gimple_gen_ic_func_profiler): Likewise.
8267 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8269         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8270         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8271         and put in error checks for stack protector guard options.
8272         (aarch64_stack_protect_guard): New.
8273         (TARGET_STACK_PROTECT_GUARD): Define.
8274         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8275         (reg_stack_protect_address<mode>): New.
8276         (stack_protect_set): Adjust for SSP_GLOBAL.
8277         (stack_protect_test): Likewise.
8278         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8279         (-mstack-protector-guard): Likewise.
8280         (-mstack-protector-guard-offset): Likewise.
8282 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8284         PR tree-optimization/86214
8285         * tree-inline.h (struct copy_body_data): Add
8286         add_clobbers_to_eh_landing_pads member.
8287         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8288         (copy_edges_for_bb): Call it if EH edge destination is <
8289         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8290         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8291         if flag_stack_reuse != SR_NONE and clear it afterwards.
8293 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8295         PR target/85596
8296         * doc/install.texi (with-multilib-list): Document for aarch64.
8298 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8300         PR target/88734
8301         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8302         (("..."))) with ("...").
8304 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8306         * doc/extend.texi (Built-in Functions for Memory Model Aware
8307         Atomic Operations): Document atomic fetch and nand.
8309 2019-01-18  Martin Liska  <mliska@suse.cz>
8310             Richard Biener  <rguenther@suse.de>
8312         PR middle-end/88587
8313         * cgraph.h (create_version_clone_with_body): Add new argument
8314         with attributes.
8315         * cgraphclones.c (cgraph_node::create_version_clone): Add
8316         DECL_ATTRIBUTES to a newly created decl.  And call
8317         valid_attribute_p so that proper cl_target_optimization_node
8318         is set for the newly created declaration.
8319         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8320         for declaration.
8321         (expand_target_clones): Do not call valid_attribute_p, it must
8322         be already done.
8323         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8324         vector types.
8326 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8328         PR target/88734
8329         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8330         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8331         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8333 2019-01-17  Martin Sebor  <msebor@redhat.com>
8335         PR middle-end/88273
8336         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8337         Handle anti-ranges the same as no range at all.
8339 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8341         * config/aarch64/aarch64.c (cgraph.h): New include.
8342         (intl.h): New include.
8343         (supported_simd_type): New function.
8344         (currently_supported_simd_type): Ditto.
8345         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8346         (aarch64_simd_clone_adjust): Ditto.
8347         (aarch64_simd_clone_usable): Ditto.
8348         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8349         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8350         (TARGET_SIMD_CLONE_USABLE): Ditto.
8351         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8352         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8353         call.
8355 2019-01-17  Martin Sebor  <msebor@redhat.com>
8357         PR tree-optimization/88800
8358         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8359         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8360         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8361         redundant argument.  Add new argument and issue diagnostics under
8362         its control.  Detect out-of-bounds access even with warnings
8363         disabled.
8364         (check_bounds_or_overlap): Change return type.  Add argument.
8365         (wrestrict_dom_walker::check_call): Adjust.
8366         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8367         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8368         check_bounds_or_overlap's return value.
8369         (handle_builtin_stxncpy): Same.
8370         (handle_builtin_strcat): Same.
8372 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8373             Kwok Cheung Yeung  <kcy@codesourcery.com>
8374             Julian Brown  <julian@codesourcery.com>
8375             Tom de Vries  <tom@codesourcery.com>
8377         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8379 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8381         * doc/sourcebuild.texi: Document dg-require-effective-target
8382         llvm_binutils and offload_gcn.
8384 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8385             Kwok Cheung Yeung  <kcy@codesourcery.com>
8386             Julian Brown  <julian@codesourcery.com>
8387             Tom de Vries  <tom@codesourcery.com>
8389         * doc/sourcebuild.texi: Document dg-required-effective-target
8390         exceptions.
8392 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8393             Kwok Cheung Yeung  <kcy@codesourcery.com>
8394             Julian Brown  <julian@codesourcery.com>
8395             Tom de Vries  <tom@codesourcery.com>
8396             Jan Hubicka  <hubicka@ucw.cz>
8397             Martin Jambor  <mjambor@suse.cz>
8399         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8400         * configure.ac: Check for dlopen.
8401         * configure: Regenerate.
8403 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8404             Kwok Cheung Yeung  <kcy@codesourcery.com>
8405             Julian Brown  <julian@codesourcery.com>
8406             Tom de Vries  <tom@codesourcery.com>
8407             Jan Hubicka  <hubicka@ucw.cz>
8408             Martin Jambor  <mjambor@suse.cz>
8410         * common/config/gcn/gcn-common.c: New file.
8411         * config/gcn/driver-gcn.c: New file.
8412         * config/gcn/gcn-builtins.def: New file.
8413         * config/gcn/gcn-hsa.h: New file.
8414         * config/gcn/gcn-modes.def: New file.
8415         * config/gcn/gcn-opts.h: New file.
8416         * config/gcn/gcn-passes.def: New file.
8417         * config/gcn/gcn-protos.h: New file.
8418         * config/gcn/gcn-run.c: New file.
8419         * config/gcn/gcn-tree.c: New file.
8420         * config/gcn/gcn.c: New file.
8421         * config/gcn/gcn.h: New file.
8422         * config/gcn/gcn.opt: New file.
8423         * config/gcn/t-gcn-hsa: New file.
8425 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8426             Kwok Cheung Yeung  <kcy@codesourcery.com>
8427             Julian Brown  <julian@codesourcery.com>
8428             Tom de Vries  <tom@codesourcery.com>
8429             Jan Hubicka  <hubicka@ucw.cz>
8430             Martin Jambor  <mjambor@suse.cz>
8432         * config/gcn/constraints.md: New file.
8433         * config/gcn/gcn-valu.md: New file.
8434         * config/gcn/gcn.md: New file.
8435         * config/gcn/predicates.md: New file.
8437 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8439         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8440         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8441         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8442         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8444 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8446         PR target/88851
8447         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8448         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8449         it and document registers.
8451 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8453         * config/aarch64/aarch64.c (ares_tunings): Define.
8454         * config/aarch64/aarch64-cores.def (ares): Use the above.
8456 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8458         PR target/88794
8459         Revert:
8460         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8462         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8463         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8464         (_mm512_maskz_fixupimm_round_pd): Ditto.
8465         (_mm512_fixupimm_round_ps): Ditto.
8466         (_mm512_maskz_fixupimm_round_ps): Ditto.
8467         (_mm_fixupimm_round_sd): Ditto.
8468         (_mm_maskz_fixupimm_round_sd): Ditto.
8469         (_mm_fixupimm_round_ss): Ditto.
8470         (_mm_maskz_fixupimm_round_ss): Ditto.
8471         (_mm512_fixupimm_pd): Ditto.
8472         (_mm512_maskz_fixupimm_pd): Ditto.
8473         (_mm512_fixupimm_ps): Ditto.
8474         (_mm512_maskz_fixupimm_ps): Ditto.
8475         (_mm_fixupimm_sd): Ditto.
8476         (_mm_maskz_fixupimm_sd): Ditto.
8477         (_mm_fixupimm_ss): Ditto.
8478         (_mm_maskz_fixupimm_ss): Ditto.
8479         (_mm512_mask_fixupimm_round_pd): Update builtin.
8480         (_mm512_mask_fixupimm_round_ps): Ditto.
8481         (_mm_mask_fixupimm_round_sd): Ditto.
8482         (_mm_mask_fixupimm_round_ss): Ditto.
8483         (_mm512_mask_fixupimm_pd): Ditto.
8484         (_mm512_mask_fixupimm_ps): Ditto.
8485         (_mm_mask_fixupimm_sd): Ditto.
8486         (_mm_mask_fixupimm_ss): Ditto.
8487         * config/i386/avx512vlintrin.h:
8488         (_mm256_fixupimm_pd): Update parameters and builtin.
8489         (_mm256_maskz_fixupimm_pd): Ditto.
8490         (_mm256_fixupimm_ps): Ditto.
8491         (_mm256_maskz_fixupimm_ps): Ditto.
8492         (_mm_fixupimm_pd): Ditto.
8493         (_mm_maskz_fixupimm_pd): Ditto.
8494         (_mm_fixupimm_ps): Ditto.
8495         (_mm_maskz_fixupimm_ps): Ditto.
8496         (_mm256_mask_fixupimm_pd): Update builtin.
8497         (_mm256_mask_fixupimm_ps): Ditto.
8498         (_mm_mask_fixupimm_pd): Ditto.
8499         (_mm_mask_fixupimm_ps): Ditto.
8500         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8501         * config/i386/i386-builtin.def: Update builtin definitions.
8502         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8503         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8504         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8505         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8506         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8507         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8508         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8509         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8510         * config/i386/subst.md:
8511         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8512         (round_saeonly_sd_mask_op4): Ditto.
8513         (round_saeonly_expand_operand5): Ditto.
8514         (round_saeonly_expand): Update.
8516 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8518         PR target/88794
8519         Revert:
8520         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8522         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8523         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8524         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8525         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8526         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8527         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8528         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8530 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8532         PR target/88794
8533         Revert:
8534         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
8536         PR target/88489
8537         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8538         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8539         instead of UNSPEC_FIXUPIMM.
8541 2019-01-17  Richard Biener  <rguenther@suse.de>
8543         PR lto/86736
8544         * dwarf2out.c (want_pubnames): Never generate pubnames sections
8545         and friends for the LTO part of debug info.
8547 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8549         PR tree-optimization/86214
8550         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8551         if x == y.
8553         PR rtl-optimization/88870
8554         * dce.c (deletable_insn_p): Never delete const/pure calls that can
8555         throw if we can't alter the cfg or delete dead exceptions.
8556         (mark_insn): Don't call find_call_stack_args for such calls.
8558 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
8560         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8561         prototypes for vec_st.
8562         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8563         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8564         mainly on signed/unsigned long long and double.
8566 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
8568         PR target/88861
8569         * combine.c (delete_noop_moves): Convert to "bool" return,
8570         returning true if any edges are eliminated.
8571         (combine_instructions): Also return true if delete_noop_moves
8572         returns true.
8574 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8576         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8577         correct max nunits for endian swap.
8578         (aarch64_expand_fcmla_builtin): Correct subreg code.
8579         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8580         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8581         lane endianness.
8583 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
8585         * config/alpha/alpha.c (alpha_gimplify_va_arg):
8586         Handle split indirect COMPLEX_TYPE arguments.
8588 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
8590         PR target/86891
8591         * config/aarch64/aarch64-modes.def: Add comment about how the carry
8592         bit is set by add and compare.
8593         (CC_ADC): New CC_MODE.
8594         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8595         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
8596         comparison.  Add detection for CC_ADCmode.
8597         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
8598         CC_ADCmode.
8599         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8600         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8601         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
8602         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
8603         to eliminate the need for zero-extending the operands.
8604         (add<mode>3_compareC_imm): Delete.  Merge into ...
8605         (add<mode>3_compareC): ... this.  Restructure the comparison to
8606         eliminate the need for zero-extending the operands.
8607         (add<mode>3_carryin): Use LTU for the overflow detection.
8608         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8609         Reexpress comparison for overflow.
8610         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8611         (add<mode>3_carryinC): Likewise.
8612         (add<mode>3_carryinV): Use LTU for carry between partials.
8613         * config/aarch64/predicates.md (aarch64_carry_operation): Update
8614         handling of CC_Cmode and add CC_ADCmode.
8615         (aarch64_borrow_operation): Likewise.
8617 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8619         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8620         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8621         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8622         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8624 2019-01-16  Martin Liska  <mliska@suse.cz>
8626         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8627         for GCC driver.
8628         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8629         a new argument.
8630         * gcc.c (add_sysrooted_hdrs_prefix): New function.
8631         (path_prefix_reset): Move up in the source file.
8632         (find_fortran_preinclude_file): Make complex search for the
8633         fortran header files.
8635 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
8637         * godump.c (go_output_typedef): When outputting a typedef, refer
8638         to the underlying type by its name and not its structure.
8640 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
8642         PR c++/88795
8643         * tree.c (build_function_type): Assert that arg_types is not
8644         error_mark_node.
8646 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8648         PR inline-asm/52813
8649         * doc/extend.texi: Document that listing the stack pointer in the
8650         clobber list of an asm is a deprecated feature.
8651         * common.opt (Wdeprecated): Moved from c-family/c.opt.
8652         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8653         warning instead of an error for clobbers of the stack pointer.
8654         Add a note explaining why.
8656 2019-01-15  Richard Biener  <rguenther@suse.de>
8658         PR debug/88046
8659         * dwarf2out.c (gen_member_die): Do not generate inheritance
8660         DIEs late.
8662 2019-01-15  Richard Biener  <rguenther@suse.de>
8664         PR tree-optimization/88855
8665         * tree-if-conv.c (combine_blocks): Collect
8666         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8668 2019-01-15  Tom de Vries  <tdevries@suse.de>
8670         PR target/80547
8671         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8672         lhs == NULL_TREE for gang-level reduction.
8674 2019-01-15  Richard Biener  <rguenther@suse.de>
8675             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8677         PR ipa/88788
8678         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8679         return true if SSA_NAME is already marked in visited bitmap.
8680         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8682 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8684         PR tree-optimization/88775
8685         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8686         equal == 0 equality pointer comparisons some more if compared in
8687         integral types and either one points to an automatic var and the
8688         other to a global, or we can prove at least one points to the middle
8689         or both point to start or both point to end.
8691 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8693         * Makefile.in: Lower autofdo sampling rate by 10x.
8694         * Makefile.tpl: Dito.
8696 2019-01-14  Tom Honermann  <tom@honermann.net>
8698         * defaults.h: Define CHAR8_TYPE.
8700 2019-01-14  Martin Sebor  <msebor@redhat.com>
8702         PR target/88638
8703         * doc/extend.texi (Darwin Format Checks): Clarify.
8705 2019-01-14  Richard Biener  <rguenther@suse.de>
8707         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8708         whether we are in (simplify ...) or (match ...) context.
8710 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8712         PR rtl-optimization/88796
8713         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8714         * cfgexpand.c (stack_protect_prologue): Initialize
8715         crtl->stack_protect_guard_decl.
8716         * function.c (stack_protect_epilogue): Use it instead of calling
8717         targetm.stack_protect_guard again.
8718         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8719         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8720         crtl->stack_protect_guard_decl.
8721         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8722         on the returned MEM_EXPR.
8724 2019-01-12  Tom de Vries  <tdevries@suse.de>
8726         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8727         vector length using -fopenacc-dim.
8729 2019-01-12  Tom de Vries  <tdevries@suse.de>
8731         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8732         lengths into account.
8734 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8736         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8737         (TARGET_CAN_SPLIT_STACK): Define.
8738         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8740 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8742         * params.def (inline-unit-growth): Set to 40.
8744 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8746         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8748 2019-01-12  Tom de Vries  <tdevries@suse.de>
8750         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8751         region calling vector-partitionable routine, set default_vector_length
8752         to WARP_SIZE.
8754 2019-01-12  Tom de Vries  <tdevries@suse.de>
8756         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8757         variable default_vector_length.
8759 2019-01-12  Tom de Vries  <tdevries@suse.de>
8761         PR middle-end/88703
8762         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8763         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8764         dimensions limits.
8766 2019-01-12  Tom de Vries  <tdevries@suse.de>
8768         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8769         (nvptx_goacc_validate_dims): Add used parameter.
8770         * doc/tm.texi: Regenerate.
8771         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8772         argument to call to targetm.goacc.validate_dims.
8773         (default_goacc_validate_dims): Add used
8774         parameter.
8775         * target.def (validate_dims): Add used parameter in DEFHOOK.
8776         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8778 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8780         PR middle-end/85956
8781         PR lto/88733
8782         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8783         field.
8784         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8785         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8786         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8787         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8789 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8791         PR rtl-optimization/87305
8792         * lra-assigns.c
8793         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8794         for little endian pseudos used as paradoxical subreg.
8796 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8798         PR tree-optimization/88693
8799         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8800         for STRING_CSTs that don't contain any NUL characters in the first
8801         TREE_STRING_LENGTH bytes.
8803 2019-01-11  Alan Modra  <amodra@gmail.com>
8805         PR 88777
8806         PR 88614
8807         * genattrtab.c (min_fn): Don't translate values.
8808         (min_attr_value): Return INT_MAX when the value can't be calculated.
8809         Return minimum among any values that can be calculated.
8810         (max_attr_value): Adjust.
8812 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8814         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8816 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8818         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8819         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8820         (aarch64_return_call_with_max_clobbers): New function.
8821         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8822         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8823         argument.
8824         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8825         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8826         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8827         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8828         * cselib.c (cselib_process_insn): Add argument to
8829         targetm.hard_regno_call_part_clobbered call.
8830         * ira-conflicts.c (ira_build_conflicts): Ditto.
8831         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8832         * lra-constraints.c (inherit_reload_reg): Ditto.
8833         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8834         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8835         argument.  Call targetm.return_call_with_max_clobbers.
8836         Add argument to targetm.hard_regno_call_part_clobbered call.
8837         (calls_have_same_clobbers_p): New function.
8838         (process_bb_lives): Add call_insn and last_call_insn variables.
8839         Pass call_insn to check_pseudos_live_through_calls.
8840         Modify if stmt to check targetm.return_call_with_max_clobbers.
8841         Update setting of flush variable.
8842         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8843         to false.
8844         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8845         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8846         targetm.hard_regno_call_part_clobbered call.
8847         * reginfo.c (choose_hard_reg_mode): Ditto.
8848         * regrename.c (check_new_reg_p): Ditto.
8849         * reload.c (find_equiv_reg): Ditto.
8850         * reload1.c (emit_reload_insns): Ditto.
8851         * sched-deps.c (deps_analyze_insn): Ditto.
8852         * sel-sched.c (init_regs_for_mode): Ditto.
8853         (mark_unavailable_hard_regs): Ditto.
8854         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8855         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8856         (return_call_with_max_clobbers): New target function.
8857         * doc/tm.texi: Regenerate.
8858         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8859         * hooks.c (hook_bool_uint_mode_false): Change to
8860         hook_bool_insn_uint_mode_false.
8861         * hooks.h (hook_bool_uint_mode_false): Ditto.
8863 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8865         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8866         (aarch64_remove_extra_call_preserved_regs): New function.
8867         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8868         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8869         * doc/tm.texi: Regenerate.
8870         * final.c (get_call_reg_set_usage): Call new hook.
8871         * target.def (remove_extra_call_preserved_regs): New hook.
8872         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8873         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8875 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8877         PR bootstrap/88714
8878         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8879         inside of pass_combine_1 dump rather than pass_profile_1.
8881 2019-01-11  Tom de Vries  <tdevries@suse.de>
8883         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8884         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8885         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8886         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8887         num_workers 16.
8889 2019-01-11  Tom de Vries  <tdevries@suse.de>
8891         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8893 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8895         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8896         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8897         sse2_cvtsi2sd): Add {l}.
8898         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8899         syntax.
8901 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8903         PR target/88785
8904         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8905         define_expand.
8906         (*float<floatunssuffix>v2div2sf2): New define_insn.
8907         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8908         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8909         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8910         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8911         match_operands with "const0_operand" "C".
8913 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8915         * config/aarch64/aarch64-builtins.c
8916         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8917         (aarch64_init_simd_builtins): ...Here
8919 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8921         PR rtl-optimization/87305
8922         * lra-assigns.c
8923         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8924         allocation for big endian pseudos used as paradoxical subregs and
8925         spill them if it is wrong.
8926         * lra-constraints.c (lra_constraints): Add a comment.
8928 2019-01-10  Richard Biener  <rguenther@suse.de>
8930         PR tree-optimization/88792
8931         * tree-ssa-pre.c (get_representative_for): Do not return a
8932         value-number here.
8934 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8936         PR middle-end/84877
8937         PR bootstrap/88450
8938         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8939         (assign_parm_setup_block): Do the argument slot realignment here
8940         instead.
8942 2019-01-10  Stefan Agner  <stefan@agner.ch>
8944         PR target/88648
8945         * config/arm/arm.c (arm_option_override_internal): Force
8946         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8948 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8950         PR c/88568
8951         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8952         DECL_EXTERNAL.
8954 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8956         * config/arm/arm-builtins.c
8957         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8958         (MAC_LANE_PAIR_QUALIFIERS): New.
8959         (arm_expand_builtin_args): Use it.
8960         (arm_expand_builtin_1): Likewise.
8961         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8962         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8963         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8964         * config/arm/arm_neon.h:
8965         (vcadd_rot90_f16): New.
8966         (vcaddq_rot90_f16): New.
8967         (vcadd_rot270_f16): New.
8968         (vcaddq_rot270_f16): New.
8969         (vcmla_f16): New.
8970         (vcmlaq_f16): New.
8971         (vcmla_lane_f16): New.
8972         (vcmla_laneq_f16): New.
8973         (vcmlaq_lane_f16): New.
8974         (vcmlaq_laneq_f16): New.
8975         (vcmla_rot90_f16): New.
8976         (vcmlaq_rot90_f16): New.
8977         (vcmla_rot90_lane_f16): New.
8978         (vcmla_rot90_laneq_f16): New.
8979         (vcmlaq_rot90_lane_f16): New.
8980         (vcmlaq_rot90_laneq_f16): New.
8981         (vcmla_rot180_f16): New.
8982         (vcmlaq_rot180_f16): New.
8983         (vcmla_rot180_lane_f16): New.
8984         (vcmla_rot180_laneq_f16): New.
8985         (vcmlaq_rot180_lane_f16): New.
8986         (vcmlaq_rot180_laneq_f16): New.
8987         (vcmla_rot270_f16): New.
8988         (vcmlaq_rot270_f16): New.
8989         (vcmla_rot270_lane_f16): New.
8990         (vcmla_rot270_laneq_f16): New.
8991         (vcmlaq_rot270_lane_f16): New.
8992         (vcmlaq_rot270_laneq_f16): New.
8993         (vcadd_rot90_f32): New.
8994         (vcaddq_rot90_f32): New.
8995         (vcadd_rot270_f32): New.
8996         (vcaddq_rot270_f32): New.
8997         (vcmla_f32): New.
8998         (vcmlaq_f32): New.
8999         (vcmla_lane_f32): New.
9000         (vcmla_laneq_f32): New.
9001         (vcmlaq_lane_f32): New.
9002         (vcmlaq_laneq_f32): New.
9003         (vcmla_rot90_f32): New.
9004         (vcmlaq_rot90_f32): New.
9005         (vcmla_rot90_lane_f32): New.
9006         (vcmla_rot90_laneq_f32): New.
9007         (vcmlaq_rot90_lane_f32): New.
9008         (vcmlaq_rot90_laneq_f32): New.
9009         (vcmla_rot180_f32): New.
9010         (vcmlaq_rot180_f32): New.
9011         (vcmla_rot180_lane_f32): New.
9012         (vcmla_rot180_laneq_f32): New.
9013         (vcmlaq_rot180_lane_f32): New.
9014         (vcmlaq_rot180_laneq_f32): New.
9015         (vcmla_rot270_f32): New.
9016         (vcmlaq_rot270_f32): New.
9017         (vcmla_rot270_lane_f32): New.
9018         (vcmla_rot270_laneq_f32): New.
9019         (vcmlaq_rot270_lane_f32): New.
9020         (vcmlaq_rot270_laneq_f32): New.
9021         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9022         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9023         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9024         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9025         vcmlaq_lane270): New.
9026         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9027         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9028         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9029         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9030         (arm_option_reconfigure_globals): Use them.
9031         * config/arm/iterators.md (VDF, VQ_HSF): New.
9032         (VCADD, VCMLA): New.
9033         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9034         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9035         New.
9036         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9037         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9039 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9041         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9042         Add qualifier_lane_pair_index.
9043         (emit-rtl.h): Include.
9044         (TYPES_QUADOP_LANE_PAIR): New.
9045         (aarch64_simd_expand_args): Use it.
9046         (aarch64_simd_expand_builtin): Likewise.
9047         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9048         New.
9049         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9050         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9051         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9052         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9053         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9054         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9055         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9056         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9057         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9058         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9059         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9060         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9061         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9062         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9063         Add __ARM_FEATURE_COMPLEX.
9064         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9065         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9066         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9067         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9068         fcmlaq_lane270): New.
9069         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9070         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9071         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9072         * config/aarch64/arm_neon.h:
9073         (vcadd_rot90_f16): New.
9074         (vcaddq_rot90_f16): New.
9075         (vcadd_rot270_f16): New.
9076         (vcaddq_rot270_f16): New.
9077         (vcmla_f16): New.
9078         (vcmlaq_f16): New.
9079         (vcmla_lane_f16): New.
9080         (vcmla_laneq_f16): New.
9081         (vcmlaq_lane_f16): New.
9082         (vcmlaq_rot90_lane_f16): New.
9083         (vcmla_rot90_laneq_f16): New.
9084         (vcmla_rot90_lane_f16): New.
9085         (vcmlaq_rot90_f16): New.
9086         (vcmla_rot90_f16): New.
9087         (vcmlaq_laneq_f16): New.
9088         (vcmla_rot180_laneq_f16): New.
9089         (vcmla_rot180_lane_f16): New.
9090         (vcmlaq_rot180_f16): New.
9091         (vcmla_rot180_f16): New.
9092         (vcmlaq_rot90_laneq_f16): New.
9093         (vcmlaq_rot270_laneq_f16): New.
9094         (vcmlaq_rot270_lane_f16): New.
9095         (vcmla_rot270_laneq_f16): New.
9096         (vcmlaq_rot270_f16): New.
9097         (vcmla_rot270_f16): New.
9098         (vcmlaq_rot180_laneq_f16): New.
9099         (vcmlaq_rot180_lane_f16): New.
9100         (vcmla_rot270_lane_f16): New.
9101         (vcadd_rot90_f32): New.
9102         (vcaddq_rot90_f32): New.
9103         (vcaddq_rot90_f64): New.
9104         (vcadd_rot270_f32): New.
9105         (vcaddq_rot270_f32): New.
9106         (vcaddq_rot270_f64): New.
9107         (vcmla_f32): New.
9108         (vcmlaq_f32): New.
9109         (vcmlaq_f64): New.
9110         (vcmla_lane_f32): New.
9111         (vcmla_laneq_f32): New.
9112         (vcmlaq_lane_f32): New.
9113         (vcmlaq_laneq_f32): New.
9114         (vcmla_rot90_f32): New.
9115         (vcmlaq_rot90_f32): New.
9116         (vcmlaq_rot90_f64): New.
9117         (vcmla_rot90_lane_f32): New.
9118         (vcmla_rot90_laneq_f32): New.
9119         (vcmlaq_rot90_lane_f32): New.
9120         (vcmlaq_rot90_laneq_f32): New.
9121         (vcmla_rot180_f32): New.
9122         (vcmlaq_rot180_f32): New.
9123         (vcmlaq_rot180_f64): New.
9124         (vcmla_rot180_lane_f32): New.
9125         (vcmla_rot180_laneq_f32): New.
9126         (vcmlaq_rot180_lane_f32): New.
9127         (vcmlaq_rot180_laneq_f32): New.
9128         (vcmla_rot270_f32): New.
9129         (vcmlaq_rot270_f32): New.
9130         (vcmlaq_rot270_f64): New.
9131         (vcmla_rot270_lane_f32): New.
9132         (vcmla_rot270_laneq_f32): New.
9133         (vcmlaq_rot270_lane_f32): New.
9134         (vcmlaq_rot270_laneq_f32): New.
9135         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9136         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9137         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9138         (FCADD, FCMLA): New.
9139         (rot): New.
9140         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9142 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9144         PR other/16615
9146         * config/pa/pa.c: Change "can not" to "cannot".
9147         * gimple-ssa-evrp-analyze.c: Likewise.
9148         * ipa-icf.c: Likewise.
9149         * ipa-polymorphic-call.c: Likewise.
9150         * ipa-pure-const.c: Likewise.
9151         * lra-constraints.c: Likewise.
9152         * lra-remat.c: Likewise.
9153         * reload1.c: Likewise.
9154         * reorg.c: Likewise.
9155         * tree-ssa-uninit.c: Likewise.
9157 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9159         PR other/16615
9161         * Makefile.in: Mechanically replace "can not" with "cannot".
9162         * alias.c: Likewise.
9163         * builtins.c: Likewise.
9164         * calls.c: Likewise.
9165         * cgraph.c: Likewise.
9166         * cgraph.h: Likewise.
9167         * cgraphclones.c: Likewise.
9168         * cgraphunit.c: Likewise.
9169         * combine-stack-adj.c: Likewise.
9170         * combine.c: Likewise.
9171         * common/config/i386/i386-common.c: Likewise.
9172         * config/aarch64/aarch64.c: Likewise.
9173         * config/alpha/sync.md: Likewise.
9174         * config/arc/arc.c: Likewise.
9175         * config/arc/predicates.md: Likewise.
9176         * config/arm/arm-c.c: Likewise.
9177         * config/arm/arm.c: Likewise.
9178         * config/arm/arm.h: Likewise.
9179         * config/arm/arm.md: Likewise.
9180         * config/arm/cortex-r4f.md: Likewise.
9181         * config/csky/csky.c: Likewise.
9182         * config/csky/csky.h: Likewise.
9183         * config/darwin-f.c: Likewise.
9184         * config/epiphany/epiphany.md: Likewise.
9185         * config/i386/i386.c: Likewise.
9186         * config/i386/sol2.h: Likewise.
9187         * config/m68k/m68k.c: Likewise.
9188         * config/mcore/mcore.h: Likewise.
9189         * config/microblaze/microblaze.md: Likewise.
9190         * config/mips/20kc.md: Likewise.
9191         * config/mips/sb1.md: Likewise.
9192         * config/nds32/nds32.c: Likewise.
9193         * config/nds32/predicates.md: Likewise.
9194         * config/pa/pa.c: Likewise.
9195         * config/rs6000/e300c2c3.md: Likewise.
9196         * config/rs6000/rs6000.c: Likewise.
9197         * config/s390/s390.h: Likewise.
9198         * config/sh/sh.c: Likewise.
9199         * config/sh/sh.md: Likewise.
9200         * config/spu/vmx2spu.h: Likewise.
9201         * cprop.c: Likewise.
9202         * dbxout.c: Likewise.
9203         * df-scan.c: Likewise.
9204         * doc/cfg.texi: Likewise.
9205         * doc/extend.texi: Likewise.
9206         * doc/fragments.texi: Likewise.
9207         * doc/gty.texi: Likewise.
9208         * doc/invoke.texi: Likewise.
9209         * doc/lto.texi: Likewise.
9210         * doc/md.texi: Likewise.
9211         * doc/objc.texi: Likewise.
9212         * doc/rtl.texi: Likewise.
9213         * doc/tm.texi: Likewise.
9214         * dse.c: Likewise.
9215         * emit-rtl.c: Likewise.
9216         * emit-rtl.h: Likewise.
9217         * except.c: Likewise.
9218         * expmed.c: Likewise.
9219         * expr.c: Likewise.
9220         * fold-const.c: Likewise.
9221         * genautomata.c: Likewise.
9222         * gimple-fold.c: Likewise.
9223         * hard-reg-set.h: Likewise.
9224         * ifcvt.c: Likewise.
9225         * ipa-comdats.c: Likewise.
9226         * ipa-cp.c: Likewise.
9227         * ipa-devirt.c: Likewise.
9228         * ipa-fnsummary.c: Likewise.
9229         * ipa-icf.c: Likewise.
9230         * ipa-inline-transform.c: Likewise.
9231         * ipa-inline.c: Likewise.
9232         * ipa-polymorphic-call.c: Likewise.
9233         * ipa-profile.c: Likewise.
9234         * ipa-prop.c: Likewise.
9235         * ipa-pure-const.c: Likewise.
9236         * ipa-reference.c: Likewise.
9237         * ipa-split.c: Likewise.
9238         * ipa-visibility.c: Likewise.
9239         * ipa.c: Likewise.
9240         * ira-build.c: Likewise.
9241         * ira-color.c: Likewise.
9242         * ira-conflicts.c: Likewise.
9243         * ira-costs.c: Likewise.
9244         * ira-int.h: Likewise.
9245         * ira-lives.c: Likewise.
9246         * ira.c: Likewise.
9247         * ira.h: Likewise.
9248         * loop-invariant.c: Likewise.
9249         * loop-unroll.c: Likewise.
9250         * lower-subreg.c: Likewise.
9251         * lra-assigns.c: Likewise.
9252         * lra-constraints.c: Likewise.
9253         * lra-eliminations.c: Likewise.
9254         * lra-lives.c: Likewise.
9255         * lra-remat.c: Likewise.
9256         * lra-spills.c: Likewise.
9257         * lra.c: Likewise.
9258         * lto-cgraph.c: Likewise.
9259         * lto-streamer-out.c: Likewise.
9260         * postreload-gcse.c: Likewise.
9261         * predict.c: Likewise.
9262         * profile-count.h: Likewise.
9263         * profile.c: Likewise.
9264         * recog.c: Likewise.
9265         * ree.c: Likewise.
9266         * reload.c: Likewise.
9267         * reload1.c: Likewise.
9268         * reorg.c: Likewise.
9269         * resource.c: Likewise.
9270         * rtl.def: Likewise.
9271         * rtl.h: Likewise.
9272         * rtlanal.c: Likewise.
9273         * sched-deps.c: Likewise.
9274         * sched-ebb.c: Likewise.
9275         * sched-rgn.c: Likewise.
9276         * sel-sched-ir.c: Likewise.
9277         * sel-sched.c: Likewise.
9278         * shrink-wrap.c: Likewise.
9279         * simplify-rtx.c: Likewise.
9280         * symtab.c: Likewise.
9281         * target.def: Likewise.
9282         * toplev.c: Likewise.
9283         * tree-call-cdce.c: Likewise.
9284         * tree-cfg.c: Likewise.
9285         * tree-complex.c: Likewise.
9286         * tree-core.h: Likewise.
9287         * tree-eh.c: Likewise.
9288         * tree-inline.c: Likewise.
9289         * tree-loop-distribution.c: Likewise.
9290         * tree-nrv.c: Likewise.
9291         * tree-profile.c: Likewise.
9292         * tree-sra.c: Likewise.
9293         * tree-ssa-alias.c: Likewise.
9294         * tree-ssa-dce.c: Likewise.
9295         * tree-ssa-dom.c: Likewise.
9296         * tree-ssa-forwprop.c: Likewise.
9297         * tree-ssa-loop-im.c: Likewise.
9298         * tree-ssa-loop-ivcanon.c: Likewise.
9299         * tree-ssa-loop-ivopts.c: Likewise.
9300         * tree-ssa-loop-niter.c: Likewise.
9301         * tree-ssa-phionlycprop.c: Likewise.
9302         * tree-ssa-phiopt.c: Likewise.
9303         * tree-ssa-propagate.c: Likewise.
9304         * tree-ssa-threadedge.c: Likewise.
9305         * tree-ssa-threadupdate.c: Likewise.
9306         * tree-ssa-uninit.c: Likewise.
9307         * tree-ssanames.c: Likewise.
9308         * tree-streamer-out.c: Likewise.
9309         * tree.c: Likewise.
9310         * tree.h: Likewise.
9311         * vr-values.c: Likewise.
9313 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9315         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9316         (ix86_split_xorsign): Ditto.
9317         * config/i386/i386.c (ix86_expand_xorsign): New function.
9318         (ix86_split_xorsign): Ditto.
9319         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9320         (xorsign<mode>3): New expander.
9321         (xorsign<mode>3_1): New insn_and_split pattern.
9322         * config/i386/sse.md (xorsign<mode>3): New expander.
9324 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9326         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9327         (*tablejump_sp64): Likewise.
9328         (*tablejump<P:mode>): ...this.
9329         (*call_address_sp32): Merge into...
9330         (*call_address_sp64): Likewise.
9331         (*call_address<P:mode>): ...this.
9332         (*call_symbolic_sp32): Merge into...
9333         (*call_symbolic_sp64): Likewise.
9334         (*call_symbolic<P:mode>): ...this.
9335         (call_value): Remove constraint and add predicate.
9336         (*call_value_address_sp32): Merge into...
9337         (*call_value_address_sp64): Likewise.
9338         (*call_value_address<P:mode>): ...this.
9339         (*call_value_symbolic_sp32): Merge into...
9340         (*call_value_symbolic_sp64): Likewise.
9341         (*call_value_symbolic<P:mode>): ...this.
9342         (*sibcall_symbolic_sp32): Merge into...
9343         (*sibcall_symbolic_sp64): Likewise.
9344         (*sibcall_symbolic<P:mode>): ...this.
9345         (sibcall_value): Remove constraint and add predicate.
9346         (*sibcall_value_symbolic_sp32): Merge into...
9347         (*sibcall_value_symbolic_sp64): Likewise.
9348         (*sibcall_value_symbolic<P:mode>): ...this.
9349         (window_save): Minor tweak.
9350         (*branch_sp32): Merge into...
9351         (*branch_sp64): Likewise.
9352         (*branch<P:mode>): ...this.
9354 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9355             James Clarke  <jrtc27@jrtc27.com>
9357         PR target/84010
9358         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9359         consistently in TLS address generation and adjust code to the renaming
9360         of patterns.  Mark calls to __tls_get_addr as const.
9361         * config/sparc/sparc.md (tgd_hi22): Turn into...
9362         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9363         (tgd_lo10): Turn into...
9364         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9365         (tgd_add32): Merge into...
9366         (tgd_add64): Likewise.
9367         (tgd_add<P:mode>): ...this and use Pmode throughout.
9368         (tldm_hi22): Turn into...
9369         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9370         (tldm_lo10): Turn into...
9371         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9372         (tldm_add32): Merge into...
9373         (tldm_add64): Likewise.
9374         (tldm_add<P:mode>): ...this and use Pmode throughout.
9375         (tldm_call32): Merge into...
9376         (tldm_call64): Likewise.
9377         (tldm_call<P:mode>): ...this and use Pmode throughout.
9378         (tldo_hix22): Turn into...
9379         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9380         (tldo_lox10): Turn into...
9381         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9382         (tldo_add32): Merge into...
9383         (tldo_add64): Likewise.
9384         (tldo_add<P:mode>): ...this and use Pmode throughout.
9385         (tie_hi22): Turn into...
9386         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9387         (tie_lo10): Turn into...
9388         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9389         (tie_ld64): Use DImode throughout.
9390         (tie_add32): Merge into...
9391         (tie_add64): Likewise.
9392         (tie_add<P:mode>): ...this and use Pmode throughout.
9393         (tle_hix22_sp32): Merge into...
9394         (tle_hix22_sp64): Likewise.
9395         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9396         (tle_lox22_sp32): Merge into...
9397         (tle_lox22_sp64): Likewise.
9398         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9399         (*tldo_ldub_sp32): Merge into...
9400         (*tldo_ldub_sp64): Likewise.
9401         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9402         (*tldo_ldub1_sp32): Merge into...
9403         (*tldo_ldub1_sp64): Likewise.
9404         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9405         (*tldo_ldub2_sp32): Merge into...
9406         (*tldo_ldub2_sp64): Likewise.
9407         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9408         (*tldo_ldsb1_sp32): Merge into...
9409         (*tldo_ldsb1_sp64): Likewise.
9410         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9411         (*tldo_ldsb2_sp32): Merge into...
9412         (*tldo_ldsb2_sp64): Likewise.
9413         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9414         (*tldo_ldub3_sp64): Use DImode throughout.
9415         (*tldo_ldsb3_sp64): Likewise.
9416         (*tldo_lduh_sp32): Merge into...
9417         (*tldo_lduh_sp64): Likewise.
9418         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9419         (*tldo_lduh1_sp32): Merge into...
9420         (*tldo_lduh1_sp64): Likewise.
9421         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9422         (*tldo_ldsh1_sp32): Merge into...
9423         (*tldo_ldsh1_sp64): Likewise.
9424         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9425         (*tldo_lduh2_sp64): Use DImode throughout.
9426         (*tldo_ldsh2_sp64): Likewise.
9427         (*tldo_lduw_sp32): Merge into...
9428         (*tldo_lduw_sp64): Likewise.
9429         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9430         (*tldo_lduw1_sp64): Use DImode throughout.
9431         (*tldo_ldsw1_sp64): Likewise.
9432         (*tldo_ldx_sp64): Likewise.
9433         (*tldo_stb_sp32): Merge into...
9434         (*tldo_stb_sp64): Likewise.
9435         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9436         (*tldo_sth_sp32): Merge into...
9437         (*tldo_sth_sp64): Likewise.
9438         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9439         (*tldo_stw_sp32): Merge into...
9440         (*tldo_stw_sp64): Likewise.
9441         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9442         (*tldo_stx_sp64): Use DImode throughout.
9444 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9446         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9447         check configure option to set BTI and Return Address Signing.
9448         * configure.ac: Add --enable-standard-branch-protection and
9449         --disable-standard-branch-protection.
9450         * configure: Regenerated.
9451         * doc/install.texi: Document the same.
9453 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9454             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9456         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9457         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9458         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9459         if bti is enabled.
9460         * config/aarch64/aarch64-bti-insert.c: New file.
9461         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9462         pass.
9463         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9464         new bti pass.
9465         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9466         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9467         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9468         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9470 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9472         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9473         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9474         Disable bti for -mbranch-protection=none.
9475         (aarch64_handle_standard_branch_protection): Enable bti for
9476         -mbranch-protection=standard.
9477         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9478         -mbranch-protection.
9479         (aarch64_bti_enabled): Check if bti is enabled.
9480         * config/aarch64/aarch64.opt: Declare target variable.
9481         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9483 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9485         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9486         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9487         (aarch64_expand_epilogue): Likewise.
9488         (aarch64_output_mi_thunk): Likewise
9489         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9490         TAILCALL_ADDR_REGS to x16 and x17.
9491         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9493 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9495         * config/aarch64/aarch64-option-extensions.def: Define
9496         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9497         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9498         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9499         (AARCH64_FL_PREDRES): New.
9500         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9501         AARCH64_FL_PREDRES by default.
9502         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9504 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9506         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9507         ARMv8.5-A.
9508         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9509         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9510         * doc/invoke.texi: Document ARMv8.5-A.
9512 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9514         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9515         (xorsign<mode>3): Likewise.
9517 2019-01-09  Jelinek  <jakub@redhat.com>
9519         PR middle-end/88758
9520         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9521         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9523         PR rtl-optimization/88331
9524         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9525         not currently_expanding_to_rtl.
9527 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9529         * doc/invoke.texi (-Os): Remove trailing spaces.
9530         (-finline-functions): Remove reference to -O2.
9532 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
9534         PR rtl-optimization/79593
9535         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9537         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9538         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
9540 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
9542         PR bootstrap/88721
9543         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9544         to -1 on entry.
9546         PR debug/88723
9547         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9548         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9550 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9552         PR target/88717
9553         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9554         ix86_avx_u128_mode_entry.
9556 2019-01-08  Martin Liska  <mliska@suse.cz>
9558         PR tree-optimization/88753
9559         * tree-switch-conversion.c (switch_conversion::build_one_array):
9560         Come up with local variable constructor.  Convert first to
9561         type of constructor values.
9563 2019-01-08  Richard Biener  <rguenther@suse.de>
9565         PR tree-optimization/86554
9566         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9567         rpo_avail): Move earlier.
9568         (visit_nary_op): When value-numbering to expressions
9569         with different overflow behavior make sure there's an
9570         available expression on the path.
9572 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
9574         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9575         aarch64_parse_branch_protection,
9576         struct aarch64_branch_protect_type,
9577         aarch64_handle_no_branch_protection,
9578         aarch64_handle_standard_branch_protection,
9579         aarch64_validate_mbranch_protection,
9580         aarch64_handle_pac_ret_protection,
9581         aarch64_handle_attr_branch_protection,
9582         accepted_branch_protection_string,
9583         aarch64_pac_ret_subtypes,
9584         aarch64_branch_protect_types,
9585         aarch64_handle_pac_ret_leaf): Define.
9586         (aarch64_override_options_after_change_1, aarch64_override_options):
9587         Add check for accepted_branch_protection_string.
9588         (aarch64_option_save): Save accepted_branch_protection_string.
9589         (aarch64_option_restore): Save accepted_branch_protection_string.
9590         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9591         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9592         msign-return-address.
9593         * doc/invoke.texi: Add mbranch-protection.
9595 2019-01-08  Alan Modra  <amodra@gmail.com>
9597         PR target/88614
9598         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9599         Delete "unknownp" parameter.  Adjust callers.  Handle
9600         CONST_INT, PLUS, MINUS, and MULT.
9601         (attr_value_aligned): Renamed from or_attr_value.
9602         (min_attr_value): Return INT_MIN for unhandled rtl case..
9603         (min_fn): ..and translate to INT_MAX here.
9604         (write_length_unit_log): Modify to cope without "unknown".
9605         (write_attr_value): Handle IF_THEN_ELSE.
9607 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9609         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9610         optimization for masked stores.
9612 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9614         PR middle-end/88567
9615         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9616         output vector directly to duplicate_and_interleave instead of
9617         going through a temporary.  Postpone insertion of ctor_seq to
9618         the end of the loop.
9620 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
9622         PR target/86891
9623         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9624         unsigned_p.  Handle signed and unsigned overflow correction as
9625         required.
9626         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9627         prototype.
9628         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9629         for operand 2.
9630         (add<mode>3_compareV_imm): Make this callable for expanding.
9631         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
9632         aarch64_plus_operand for operand 2.
9633         (subv<GPI:mode>_insn): New insn pattern.
9634         (subv<GPI:mode>_imm): Likewise.
9635         (negv<GPI:mode>3): New expand pattern.
9636         (negv<GPI:mode>_insn): New insn pattern.
9637         (negv<GPI:mode>_cmp_only): Likewise.
9638         (cmpv<GPI:mode>_insn): Likewise.
9639         (subvti4): Use register_operand for operand 1.  Update call to
9640         aarch64_expand_subvti.
9641         (usubvti4): Likewise.
9642         (negvti3): New expand pattern.
9643         (negdi_carryout): New insn pattern.
9644         (negvdi_carryinV): New insn pattern.
9645         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9646         version the named version.
9647         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9648         operands.
9649         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9650         patterns.
9651         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9652         patterns.
9653         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9654         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9655         (sub<mode>3_carryinCV): Delete.
9656         (sub<GPI:mode>3_carryinV): New expand pattern.
9657         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9659 2019-01-07  Richard Biener  <rguenther@suse.de>
9661         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9662         of tree_operand_hash.
9664 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9666         PR tree-optimization/88598
9667         * tree.h (single_nonzero_element): Declare.
9668         * tree.c (single_nonzero_element): New function.
9669         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9670         if I is the only nonzero element of CST.
9672 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9674         PR tree-optimization/88598
9675         * tree.h (initializer_each_zero_or_onep): Declare.
9676         * tree.c (initializer_each_zero_or_onep): New function.
9677         (signed_or_unsigned_type_for): Handle float types too.
9678         (unsigned_type_for, signed_type_for): Update comments accordingly.
9679         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9680         x & { 0 or -1, 0 or -1, ... }.
9682 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9684         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9685         with x86_64-pc-linux-gnu.
9687 2019-01-07  Tom de Vries  <tdevries@suse.de>
9689         PR target/85486
9690         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9691         function.
9692         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9693         routines.
9695 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9697         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9698         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9699         TARGET_AVX512F as condition.
9701         PR debug/88723
9702         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9703         const_not_ok_for_debug_p target hook.
9704         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9705         on UNSPEC and subexpressions thereof if all subexpressions of the
9706         UNSPEC are CONSTANT_P.
9708         PR tree-optimization/88676
9709         * tree-ssa-phiopt.c (two_value_replacement): New function.
9710         (tree_ssa_phiopt_worker): Call it.
9712         PR sanitizer/88619
9713         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9714         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9716         PR c++/85052
9717         * tree-vect-generic.c: Include insn-config.h and recog.h.
9718         (expand_vector_piecewise): Add defaulted ret_type argument,
9719         if non-NULL, use that in preference to type for the result type.
9720         (expand_vector_parallel): Formatting fix.
9721         (do_vec_conversion, do_vec_narrowing_conversion,
9722         expand_vector_conversion): New functions.
9723         (expand_vector_operations_1): Call expand_vector_conversion
9724         for VEC_CONVERT ifn calls.
9725         * internal-fn.def (VEC_CONVERT): New internal function.
9726         * internal-fn.c (expand_VEC_CONVERT): New function.
9727         * fold-const-call.c (fold_const_vec_convert): New function.
9728         (fold_const_call): Use it for CFN_VEC_CONVERT.
9729         * doc/extend.texi (__builtin_convertvector): Document.
9731 2019-01-07  Tom de Vries  <tdevries@suse.de>
9733         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9734         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9735         vector_red_partition, vector_red_sym): New global variables.
9736         (nvptx_option_override): Initialize vector_red_sym.
9737         (nvptx_declare_function_name): Restore red_partition register.
9738         (nvptx_file_end): Emit code to declare the vector reduction variables.
9739         (nvptx_output_red_partition): New function.
9740         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9741         large vector reductions.
9742         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9743         (nvptx_init_builtins): Add VECTOR_ADDR.
9744         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9745         Handle nvptx_expand_shared_addr.
9746         (nvptx_get_shared_red_addr): Add vector argument and handle large
9747         vectors.
9748         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9749         large vectors.
9750         (nvptx_goacc_reduction_init): Likewise.
9751         (nvptx_goacc_reduction_fini): Likewise.
9752         (nvptx_goacc_reduction_teardown): Likewise.
9753         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9754         init,fini,teardown}.
9755         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9756         (nvptx_set_current_function): Init vector_red_partition.
9757         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9758         (nvptx_red_partition): New insn.
9759         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9761 2019-01-07  Tom de Vries  <tdevries@suse.de>
9763         PR target/85381
9764         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9765         empty loops.
9767 2019-01-07  Tom de Vries  <tdevries@suse.de>
9769         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9770         (nvptx_option_override): Init oacc_bcast_partition.
9771         (nvptx_init_oacc_workers): New function.
9772         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9773         (nvptx_needs_shared_bcast): New function.
9774         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9775         to propagate state.
9776         (nvptx_shared_propagate): Initialize vector bcast partition and
9777         synchronization state.
9778         (nvptx_single):  Generalize to enable vectors to use shared-memory
9779         to propagate state.
9780         (nvptx_process_pars): Likewise.
9781         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9782         * config/nvptx/nvptx.h (struct machine_function): Add
9783         bcast_partition and sync_bar members.
9785 2019-01-07  Tom de Vries  <tdevries@suse.de>
9787         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9788         (nvptx_apply_dim_limits): New function.
9789         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9790         PTX_WARP_SIZE.
9792 2019-01-07  Tom de Vries  <tdevries@suse.de>
9794         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9795         as late as possible.
9797 2019-01-07  Tom de Vries  <tdevries@suse.de>
9799         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9800         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9801         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9802         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9803         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9805 2019-01-07  Tom de Vries  <tdevries@suse.de>
9807         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9809 2019-01-07  Tom de Vries  <tdevries@suse.de>
9811         * omp-offload.c (oacc_get_min_dim): New function.
9812         * omp-offload.h (oacc_get_min_dim): Declare.
9814 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9816         PR target/88521
9817         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9818         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9820 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9822         PR tree-opt/86020
9823         Revert:
9824         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9826         * ipa-inline.c (edge_badness): Use inlined_time instead of
9827         inline_summaries->get.
9829 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9831         * opts.c (enable_fdo_optimizations): Enable
9832         version-loops-for-strides, loop-interchange, unrol-and-jam
9833         and tree-loop-distribution.
9834         * invoke.texi: Document newly enabled options.
9836 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9838         * doc/invoke.texi (max-inline-insns-small): New parameters.
9839         * ipa-inline.c (want_early_inline_function_p): simplify.
9840         (want_inline_small_function_p): Fix pasto from previous patch;
9841         use max-inline-insns-small bound.
9842         * params.def (max-inline-insns-small): New param.
9843         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9844         variables correctly.
9846 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9848         * doc/invoke.texi: Document max-inline-insns-size,
9849         uninlined-function-insns, uninlined-function-time,
9850         uninlined-thunk-insns and uninlined-thunk-time.
9851         * params.def: Add max-inline-insns-size,
9852         uninlined-function-insns, uninlined-function-time,
9853         uninlined-thunk-insns and uninlined-thunk-time.
9854         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9855         new parameters.
9856         * ipa-inline.c (can_inline_edge_by_limits_p,
9857         want_inline_small_function_p): Use new parameters.
9859 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9861         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9863 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9865         PR middle-end/82564
9866         PR target/88620
9867         * expr.c (expand_assignment): For calls returning VLA structures
9868         if to_rtx is not a MEM, force it into a stack temporary.
9870         PR debug/88635
9871         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9872         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9873         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9874         subexpressions of both operands.
9875         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9876         subrtxes are CONSTANT_P.
9877         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9878         2018-11-09 changes.
9880 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9882         * params.def (hot-bb-count-ws-permille): Set to 990.
9884 2019-01-04  Martin Sebor  <msebor@redhat.com>
9886         PR c/88546
9887         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9888         leaf.
9890 2019-01-04  Martin Sebor  <msebor@redhat.com>
9892         PR c/88363
9893         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9895 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9897         * gdbinit.in: Turn off pagination for the skip commands, restore
9898         it to previous state afterwards.
9900 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9902         PR target/88594
9903         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9904         of GET_MODE (opN) as modes of the libcall arguments.
9906 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9908         * config/i386/sse.md
9909         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9910         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9911         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9912         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9913         avx512f_vmcmp<mode>3<round_saeonly_name>,
9914         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9915         avx512f_maskcmp<mode>3,
9916         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9917         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9918         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9919         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9920         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9921         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9922         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9923         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9924         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9925         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9926         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9927         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9928         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9929         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9930         avx512cd_maskb_vec_dup<mode>,
9931         avx512cd_maskw_vec_dup<mode>,
9932         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9933         avx512dq_vmfpclass<mode>,
9934         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9935         instead of =Yk.
9937 2019-01-03  Martin Sebor  <msebor@redhat.com>
9939         PR tree-optimization/88659
9940         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9942 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9944         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9945         unaligned vsx and avoid lxvd2x/stxvd2x.
9946         (gen_lvx_v4si_move): New function.
9948 2019-01-03  Tom de Vries  <tdevries@suse.de>
9950         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9951         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9952         function.
9953         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9955 2019-01-03  Tom de Vries  <tdevries@suse.de>
9957         * config/nvptx/nvptx.c (struct offload_attrs): New.
9958         (populate_offload_attrs): New function.  Factor mask extraction out of
9959         nvptx_reorg.  Add extraction of dimensions.
9960         (nvptx_reorg): Use populate_offload_attrs.
9962 2019-01-03  Tom de Vries  <tdevries@suse.de>
9964         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9965         cases for oacc_min_dims_p and routine_p.  Add asserts for
9966         oacc_default_dims_p and offload_region_p.
9968 2019-01-03  Tom de Vries  <tdevries@suse.de>
9970         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9971         factored out of ...
9972         (nvptx_goacc_validate_dims): ... here.
9974 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9976         PR tree-optimization/85574
9977         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9978         structure.
9979         (struct ssa_equip_hash_traits): Declare.
9980         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9982 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9984         PR debug/88644
9985         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9986         change it to qualified_type.
9988 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9990         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9991         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9993 2019-01-02  Martin Sebor  <msebor@redhat.com>
9994             Jeff Law  <law@redhat.com>
9996         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9997         (get_range_strlen_tree): Update appropriately.
9998         (get_range_strlen)
9999         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10001         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10002         rather than set_range_info.
10003         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10004         maybe_set_strlen_range.  Handle potentially boundary crossing
10005         cases more conservatively.
10006         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10007         Call set_strlen_range.
10008         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10010         PR middle-end/88663
10011         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10012         need the flexp argument.
10013         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10014         from calls to get_range_strlen.  Update comments.  Just update
10015         VAL for an unterminated const char array and let the reset of the
10016         code handle it normally.  No longer try to set *flexp.  Adjust
10017         return value.
10018         (get_range_strlen): Update for the new get_range_strlen API.
10019         (get_maxval_strlen): Similarly.
10020         (gimple_fold_builtin_strlen): Handle update meaning of return value
10021         from get_range_strlen.
10022         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10023         get_range_strlen API.
10025 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10027         PR lto/88130
10028         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10029         false at WPA time when body was removed.
10031 2019-01-02  Martin Liska  <mliska@suse.cz>
10033         PR tree-optimization/88650
10034         * predict.c (set_even_probabilities): Calculate probability
10035         remainer only when really used.
10037 2019-01-02  Richard Biener  <rguenther@suse.de>
10039         PR middle-end/88651
10040         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10041         widest_ints when mangling max_stmt_execution results.
10043 2019-01-02  Richard Biener  <rguenther@suse.de>
10045         PR tree-optimization/88621
10046         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10047         bitfields when canoncalizing.
10049 2019-01-02  Richard Biener  <rguenther@suse.de>
10051         PR target/87545
10052         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10053         cost of cheap SSE instruction.
10055 2019-01-02  Richard Biener  <rguenther@suse.de>
10057         PR ipa/85574
10058         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10059         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10060         function.
10061         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10062         set after UIDs before splitting them.
10064 2019-01-01  Martin Sebor  <msebor@redhat.com>
10065             Jeff Law  <law@redhat.com>
10067         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10068         length is optimistic.  If it is, then arrange to compute the
10069         conservative length as well.
10071         * gimple-fold.h (get_range_strlen): Update prototype.
10072         * builtins.c (check_access): Update call to get_range_strlen to use
10073         c_strlen_data pointer.   Change various variable accesses to instead
10074         pull data from the c_strlen_data structure.
10075         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10076         * calls.c (maybe_warn_nonstring_arg): Likewise.
10077         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10078         minimum length if maximum lengh is unknown.
10079         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10080         that used c_strlen, it's no longer needed.  Restructure slightly.
10081         (format_string): Set unlikely range appropriately.
10082         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10083         formatting issues.
10084         (get_range_strlen):  Accept c_strlen_data pointer for external
10085         call sites as well.  Pass through to call to internal get_range_strlen.
10086         Adjust minlen, maxlen and maxbound as needed.
10087         (get_maxval_strlen): Update comments.
10088         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
10089         to use c_strlen_data pointer.  Change variable accesses to instead
10090         use c_strlen_data data members.
10092         * gimple-fold.c (get_range_strlen): Update prototype.
10093         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
10094         local variables.  Use pdata to return information to caller.
10095         Update calls to get_range_strlen.  Update pdata->maxbound.
10096         (get_range_strlen -- static version): Similarly.
10097         (get_range_strlen -- extern version): Update for internal
10098         get_range_strlen API change.  Convert to external data format.
10099         (get_maxval_strlen): Similarly.
10101 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10103         * coverage.c (get_coverage_counts): Use current_function_decl.
10104         * profile.c (read_thunk_profile): New function.
10105         (branch_prob): Add THUNK parameter.
10106         * tree-profile.c (tree_profiling): Handle thunks.
10107         * value-prof.c (init_node_map): Handle thunks.
10108         * value-prof.h (branch_prob): Upate prototype.
10109         (read_thunk_profile): Declare.
10111 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10113         Update copyright years.
10115         * gcc.c (process_command): Update copyright notice dates.
10116         * gcov-dump.c (print_version): Ditto.
10117         * gcov.c (print_version): Ditto.
10118         * gcov-tool.c (print_version): Ditto.
10119         * gengtype.c (create_file): Ditto.
10120         * doc/cpp.texi: Bump @copying's copyright year.
10121         * doc/cppinternals.texi: Ditto.
10122         * doc/gcc.texi: Ditto.
10123         * doc/gccint.texi: Ditto.
10124         * doc/gcov.texi: Ditto.
10125         * doc/install.texi: Ditto.
10126         * doc/invoke.texi: Ditto.
10128 Copyright (C) 2019 Free Software Foundation, Inc.
10130 Copying and distribution of this file, with or without modification,
10131 are permitted in any medium without royalty provided the copyright
10132 notice and this notice are preserved.