Add GCC support to ENQCMD.
[official-gcc.git] / gcc / ChangeLog
blob1fb8fddbea25bd8a595bf1d292637bdbb71e4089
1 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
3         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
4         on sections construct.
5         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
6         construct.
7         (lower_omp_sections): Handle lastprivate conditional.
8         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
9         lastprivate_conditional_map.
10         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
12         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
13         critical, taskgroup and section regions when looking for a region
14         with non-NULL lastprivate_conditional_map.
16 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
18         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
19         (*ix86_gen_sub3): Ditto.
20         (*ix86_gen_sub3_carry): Ditto.
21         (*ix86_gen_one_cmpl2): Ditto.
22         (*ix86_gen_andsp): Ditto.
23         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
24         (gen_and2_insn): New static function.
25         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
26         Use gen_add3_insn instead of ix86_gen_add3.
27         (ix86_expand_split_stack_prologue): Use gen_add2_insn
28         instead of ix86_gen_add3.
29         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
30         Use gen_sub3_insn instead of ix86_gen_sub3.
31         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
32         instead of ix86_gen_add3.
33         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
34         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
35         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
36         * config/i386/i386-options.c (ix86_option_override_internal):
37         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
38         ix86_gen_one_cmpl2 and ix86_gen_andsp.
40 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
42         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
43         and DW_OP_GNU_const_index opcodes.
45 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
47         * config/i386/i386.h (STACK_SIZE_MODE): Define.
49 2019-05-27  Richard Biener  <rguenther@suse.de>
51         PR tree-optimization/90637
52         * tree-ssa-sink.c (statement_sink_location): Honor the
53         computed sink location for single-uses.
55 2019-05-27  Richard Biener  <rguenther@suse.de>
57         PR middle-end/90610
58         * match.pd (vec_perm): Avoid clobbering op0 when not generating
59         a bit-insert.
61 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
63         * config/i386/i386.md (@sub<mode>3_carry): Rename
64         from sub<mode>3_carry.
65         (@leave_<mode>): New expander.
66         (*leave): Rename from leave.
67         (*leave_rex64): Rename from leave_rex64.
68         (@monitorx_<mode>): Rename from monitorx_<mode>.
69         (@clzero_<mode>): Rename from clzero_<mode>.
70         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
71         from sse3_monitor_<mode>.
72         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
73         (*ix86_gen_leave): Ditto.
74         (*ix86_gen_monitor): Ditto.
75         (*ix86_gen_monitorx): Ditto.
76         (*ix86_gen_clzero): Ditto.
77         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
78         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
79         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
80         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
81         Use gen_sse3_monitor instead of ix86_gen_monitor.
82         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
83         instead of ix86_gen_monitorx.
84         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
85         instead of ix86_gen_clzero.
86         * config/i386/i386-options.c (ix86_option_override_internal):
87         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
88         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
90 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
92         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
93         Rename from tls_global_dynamic_64_<mode>.
94         (@tls_local_dynamic_base_64_<mode>): Rename from
95         tls_local_dynamic_base_64_<mode>.
96         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
97         Remove indirect function.
98         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
99         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
100         instead of ix86_gen_tls_global_dynamic_64.
101         Use gen_tls_local_dynamic_base_64 instead of
102         ix86_gen_tls_local_dynamic_base_64.
103         * config/i386/i386-options.c (ix86_option_override_internal):
104         Do not initialize ix86_gen_tls_global_dynamic_64 and
105         ix86_gen_tls_local_dynamic_base_64.
107 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
109         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
110         Rename from pro_epilogue_adjust_stack_<mode>_add.
111         (@pro_epilogue_adjust_stack_sub_<mode>)
112         Rename from pro_epilogue_adjust_stack_<mode>_sub.
113         (@allocate_stack_worker_probe_<mode>):
114         Rename from allocate_stack_worker_probe_<mode>.
115         (allocate_stack): Use gen_allocate_stack_worker_probe.
116         (probe_stack): Use gen_probe_stack_1.
117         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
118         (@adjust_stack_and_probe_<mode>): Rename from
119         adjust_stack_and_probe<mode>.
120         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
121         (stack_protect_set): Use gen_stack_protect_set_1.
122         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
123         (stack_protect_test): Use gen_stack_protect_test_1.
124         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
125         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
126         Remove indirect function.
127         (*ix86_gen_adjust_stack_and_probe): Ditto.
128         (*ix86_gen_probe_stack_range): Ditto.
129         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
130         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
131         (ix86_adjust_stack_and_probe_stack_clash): Use
132         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
133         (ix86_adjust_stack_and_probe): Ditto.
134         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
135         of ix86_gen_probe_stack_range.
136         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
137         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
138         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
139         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
140         CODE_FOR_stack_protect_test_{si,di}.
141         * config/i386/i386-options.c (ix86_option_override_internal):
142         Do not initialize ix86_gen_allocate_stack_worker,
143         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
145 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
147         * doc/invoke.texi (Link Options): Many editorial changes around
148         -flinker-output.
150 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
152         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
153         pre-Solaris 11 referene and most Studio compiler details.
155 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
157         PR target/90530
158         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
159         DImode to SImode in floating-point registers on 64-bit target.
160         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
161         register_operand in xmpyu patterns.
163 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
165         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
166         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
167         OMP_CLAUSE__REDUCTEMP_.
168         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
169         OMP_CLAUSE__CONDTEMP_.
170         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
171         * tree-pretty-print.c (dump_omp_clause): Likewise.
172         * tree-nested.c (convert_nonlocal_omp_clauses,
173         convert_local_omp_clauses): Likewise.
174         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
175         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
176         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
177         on OMP_FOR.
178         (gimplify_omp_for): Warn and disable conditional modifier from
179         lastprivate on loop iterators.
180         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
181         member.
182         * omp-general.c (omp_extract_for_data): Initialize it.
183         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
184         member.
185         (delete_omp_context): Delete it.
186         (lower_lastprivate_conditional_clauses): New function.
187         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
188         handle lastprivate conditional clauses.
189         (lower_reduction_clauses): Add CLIST argument, emit it into
190         the critical section if any.
191         (lower_omp_sections): Adjust lower_lastprivate_clauses and
192         lower_reduction_clauses callers.
193         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
194         to lower_lastprivate_clauses.
195         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
196         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
197         clist into a critical section if not emitted there already by
198         lower_reduction_clauses.
199         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
200         callers.
201         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
202         conditional variables.
203         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
204         clause is present.
205         (expand_omp_for_generic, expand_omp_for_static_nochunk,
206         expand_omp_for_static_chunk): Handle lastprivate conditional.
207         (expand_omp_for): Handle fd.lastprivate_conditional like
208         fd.have_reductemp.
210 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
212         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
213         kernel does not exit cleanly.
214         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
216 2019-05-24  Jason Merrill  <jason@redhat.com>
218         Revert:
219         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
221 2019-05-24  Richard Biener  <rguenther@suse.de>
223         PR testsuite/90607
224         * tree-loop-distribution.c (struct partition): Add location
225         member.
226         (partition_alloc): Initialize all fields.
227         (generate_memset_builtin): Use the location recorded in the
228         partition for the generated call.
229         (generate_memcpy_builtin): Likewise.
230         (classify_partition): Record the location of a single store
231         as location for the partition.
233 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
235         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
236         for lo-part.
238 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
240         PR target/90588
241         * common/config/aarch64/aarch64-common.c
242         (aarch64_rewrite_selected_cpu): Change local temporary variable
243         type from unsigned long to uint64_t.
244         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
245         aarch64_get_extension_string_for_isa_flags): Change declaration to
246         match new definition by replacing unsigned long with uint64_t.
248 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
250         PR target/90568
251         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
252         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
253         Handle stack_protect_test_<mode> codegen similarly to corresponding
254         sub instruction.
256 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
258        * config/i386/darwin.h: Reject -mfentry*.
259        * doc/sourcebuild.texi: Document mfentry target support.
261 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
263         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
264         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
265         false for PC-relative functions.
266         (rs6000_output_function_prologue): Change called function name to
267         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
268         name,1" for PC-relative functions.
269         (rs6000_elf_declare_function_name): Change called function name to
270         rs6000_global_entry_point_prologue_needed_p.
272 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
274         PR target/90552
275         * config/i386/i386.c (gen_rtx_cost):
276         Use ix86_tune_cost instead of ix86_cost.
278 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
279             Michael Meissner  <meissner@linux.ibm.com>
280             Segher Boessenkool  <segher@kernel.crashing.org>
282         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
283         OPTION_MASK_PCREL.
284         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
285         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
286         (rs6000_fndecl_pcrel_p): Likewise.
287         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
288         error if -mpcrel is requested without -mcpu=future.
289         (rs6000_opt_masks): Add entry for pcrel.
290         (rs6000_fndecl_pcrel_p): New function.
291         (rs6000_pcrel_p): Likewise.
292         * config/rs6000/rs6000.opt (mpcrel): New option.
293         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
295 2019-05-23  Jan Hubicka  <jh@suse.cz>
296             Martin Liska  <mliska@suse.cz>
298         PR tree-optimization/90576
299         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
300         poly_int_tree_p.
301         (aliasing_component_refs_p): Fix three way size compare conditional;
302         give up earlier in case we can not decide on equivalence.
304 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
305             Michael Meissner  <meissner@linux.ibm.com>
306             Segher Boessenkool  <segher@kernel.crashing.org>
308         * config.gcc: Add future cpu.
309         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
310         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
311         #define.
312         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
313         (RS6000_CPU): New instantiation for future cpu.
314         * config/rs6000/rs6000-opts.h (enum processor_type): Add
315         PROCESSOR_FUTURE.
316         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
317         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
318         * config/rs6000/rs6000-tables.opt: Regenerate.
319         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
320         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
321         (rs6000_machine_from_flags): Handle future cpu.
322         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
323         PROCESSOR_POWER9 for now.
324         (rs6000_adjust_cost): Likewise.
325         (rs6000_issue_rate): Likewise.
326         (rs6000_register_move_cost): Likewise.
327         (rs6000_opt_masks): Add entry for future.
328         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
329         (MASK_FUTURE): New #define.
330         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
331         * config/rs6000/rs6000.opt (mfuture): New target option.
332         * doc/invoke.texi (mcpu): Add future cpu.
334 2019-05-23  Martin Liska  <mliska@suse.cz>
336         PR c++/90587
337         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
338         operation points to a temporary (pointed via tree_to_wide_ref)
339         that is out of scope after the &.
341 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
343         PR c++/90592
344         * doc/extend.texi (Function Names): Add missing word.
346 2019-05-23  Richard Biener  <rguenther@suse.de>
348         PR tree-optimization/88440
349         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
350         at -O[2s]+.
351         * tree-loop-distribution.c (generate_memset_builtin): Fold the
352         generated call.
353         (generate_memcpy_builtin): Likewise.
354         (distribute_loop): Pass in whether to only distribute patterns.
355         (prepare_perfect_loop_nest): Also allow size optimization.
356         (pass_loop_distribution::execute): When optimizing a loop
357         nest for size allow pattern replacement.
359 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
361         PR target/90568
362         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
363         of xor.
365 2019-05-23  Martin Liska  <mliska@suse.cz>
367         PR sanitizer/90570
368         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
369         expression similarly to gimplify_decl_expr.
371 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
373         * cse.c (cse_dump_path): s/dump_file/f.
375 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
377         PR c++/90462
378         * diagnostic-format-json.cc: Include "selftest.h".
379         (json_from_expanded_location): Only add "file" key for non-NULL
380         file strings.
381         (json_from_location_range): Don't add "start" and "finish"
382         children if they are UNKNOWN_LOCATION.
383         (selftest::test_unknown_location): New selftest.
384         (selftest::test_bad_endpoints): New selftest.
385         (selftest::diagnostic_format_json_cc_tests): New function.
386         * json.cc (json::object::get): New function.
387         (selftest::test_object_get): New selftest.
388         (selftest::json_cc_tests): Call it.
389         * json.h (json::object::get): New decl.
390         * selftest-run-tests.c (selftest::run_tests): Call
391         selftest::diagnostic_format_json_cc_tests.
392         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
393         decl.
395 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
396             Andrew Stubbs  <amd@codesourcery.com>
398         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
399         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
400         (kernel): Rename to...
401         (main_kernel): ... this.
402         (load_image): Load _init_array and _fini_array kernels.
403         (run): Add argument for kernel to run.
404         (main): Run init_array_kernel before main_kernel, and
405         fini_array_kernel after.
406         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
407         amdgpu_hsa_kernel attribute on functions.
408         (gcn_disable_constructors): Delete.
409         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
410         * config/gcn/crt0.c (size_t): Define.
411         (_init_array, _fini_array): New.
412         (__preinit_array_start, __preinit_array_end,
413         __init_array_start, __init_array_end,
414         __fini_array_start, __fini_array_end): Declare weak references.
416 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
418         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
420 2019-05-22  Jason Merrill  <jason@redhat.com>
422         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
424 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
426         PR target/88483
427         * config/i386/i386-options.c (ix86_init_machine_status): Set
428         stack_frame_required to true.
429         * config/i386/i386.c (ix86_get_frame_size): New function.
430         (ix86_frame_pointer_required): Replace get_frame_size with
431         ix86_get_frame_size.
432         (ix86_compute_frame_layout): Likewise.
433         (ix86_find_max_used_stack_alignment): Changed to void.  Set
434         stack_frame_required.
435         (ix86_finalize_stack_frame_flags): Always call
436         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
437         ix86_get_frame_size.
438         * config/i386/i386.h (machine_function): Add stack_frame_required.
440 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
442         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
444 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
446         * common/config/aarch64/aarch64-common.c
447         (struct aarch64_option_extension, struct processor_name_to_arch,
448         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
449         aarch64_contains_opt,
450         aarch64_get_extension_string_for_isa_flags): Change type of
451         variables storing flags to uint64_t.
452         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
453         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
454         * config/aarch64/aarch64.c (struct processor,
455         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
456         aarch64_validate_march, aarch64_override_options,
457         aarch64_option_print, aarch64_handle_attr_isa_flags,
458         aarch64_declare_function_name, aarch64_start_file): Make flag
459         variables uint64_t.
460         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
461         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
462         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
463         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
464         * config/aarch64/driver-aarch64.c
465         (struct aarch64_arch_extension, struct aarch64_core_data,
466         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
467         flag variables uint64_t.
468         * doc/invoke.texi: Add documentation for new arguments.
470 2019-05-22  Richard Biener  <rguenther@suse.de>
472         * alias.c (ao_ref_from_mem): Move stack-slot sharing
473         rewrite ...
474         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
476 2019-05-22  Martin Liska  <mliska@suse.cz>
478         PR lto/90500
479         * doc/extend.texi: Document the change.
481 2019-05-22  Richard Biener  <rguenther@suse.de>
483         PR tree-optimization/90450
484         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
485         (mem_ref_hasher::equal): Check it.
486         (mem_ref_alloc): Initialize it.
487         (gather_mem_refs_stmt): Set it.
489 2019-05-22  Richard Biener  <rguenther@suse.de>
491         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
492         Add ABS_EXPR.
493         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
494         as ABSU_EXPR.
496 2019-05-22  Alan Modra  <amodra@gmail.com>
498         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
499         (ASM_CPU_SPEC): Conditionally add -many.
500         * config/rs6000/rs6000.c (rs6000_machine): New static var.
501         (rs6000_machine_from_flags, emit_asm_machine): New functions..
502         (rs6000_file_start): ..extracted from here, and modified to
503         test all ISA bits.
504         (rs6000_output_function_prologue): Emit .machine as necessary.
505         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
506         power mnemonics.
507         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
508         added by check_vect_support_and_set_flags.
509         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
510         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
512 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
514         PR middle-end/90553
515         * ira-lives.c (process_bb_node_lives): Consider defs
516         for a call insn to be die before the call, not after.
518         * function.c (assign_parm_setup_block): Raise alignment of
519         stacked parameter only for STRICT_ALIGNMENT targets.
521 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
523         * config/rs6000/constraints.md (define_register_constraint "wz"):
524         Delete.
525         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
526         RS6000_CONSTRAINT_wz.
527         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
528         (rs6000_init_hard_regno_mode_ok): Adjust.
529         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
530         * doc/md.texi (Machine Constraints): Adjust.
532 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
534         * config/rs6000/constraints.md (define_register_constraint "wl"):
535         Delete.
536         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
537         RS6000_CONSTRAINT_wl.
538         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
539         (rs6000_init_hard_regno_mode_ok): Adjust.
540         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
541         * doc/md.texi (Machine Constraints): Adjust.
543 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
545         * config/rs6000/constraints.md (define_register_constraint "wm"):
546         Delete.
547         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
548         RS6000_CONSTRAINT_wm.
549         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
550         (rs6000_init_hard_regno_mode_ok): Adjust.
551         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
552         * doc/md.texi (Machine Constraints): Adjust.
554 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
556         * config/rs6000/constraints.md (define_register_constraint "wk"):
557         Delete.
558         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
559         RS6000_CONSTRAINT_wk.
560         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
561         (rs6000_init_hard_regno_mode_ok): Adjust.
562         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
563         * doc/md.texi (Machine Constraints): Adjust.
565 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
567         * config/rs6000/constraints.md (define_register_constraint "wj"):
568         Delete.
569         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
570         RS6000_CONSTRAINT_wj.
571         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
572         (rs6000_init_hard_regno_mode_ok): Adjust.
573         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
574         (VS_64dm): Delete.
575         * config/rs6000/vsx.md: Ditto.
576         * doc/md.texi (Machine Constraints): Adjust.
578 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
580         * config/rs6000/constraints.md (define_register_constraint "wh"):
581         Delete.
582         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
583         RS6000_CONSTRAINT_wh.
584         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
585         (rs6000_init_hard_regno_mode_ok): Adjust.
586         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
587         * doc/md.texi (Machine Constraints): Adjust.
589 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
591         PR target/90547
592         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
593         Avoid calling gen_lowpart with CONST operand.
595 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
597         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
598         field template_last_to_copy.
599         (ssa_create_duplicates): Set it, and use it.  Attempt to
600         preserve more debug stmts.
602 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
604         * config/i386/sse.md (VF1_AVX2): New mode iterator.
605         (signbit<mode>2): New expander
607 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
609         PR bootstrap/87338
610         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
611         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
613 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
615         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
616         %ebx and %ecx bafore calling cpuid with leaf 1 or
617         non-constant leaf argument.
619 2019-05-21  Alan Modra  <amodra@gmail.com>
621         PR target/90545
622         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
623         power9 direct move cost.
624         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
625         Correct comments and rename functions to suit parameters.
627 2019-05-21  Richard Biener  <rguenther@suse.de>
629         PR middle-end/90510
630         * fold-const.c (fold_read_from_vector): New function.
631         * fold-const.h (fold_read_from_vector): Declare.
632         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
633         single-element insert permutations.  Canonicalize selector
634         further and fix issue with last commit.
636 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
638         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
639         parameter with default value false to declaration.
640         (split_edges_for_insertion): New inline function.  Wrapper for
641         split_critical_edges with for_edge_insertion_p = true.
642         * tree-cfg.c (split_critical_edges): Don't split non-critical
643         edges if for_edge_insertion_p is false.  Fix whitespace.
644         * tree-ssa-pre.c (pass_pre::execute): Call
645         split_edges_for_insertion instead of split_critical_edges.
646         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
647         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
648         (pass_data_sink_code): Update function name in the comment.
650 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
652         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
653         around is_value_included_in that knows how to handle BIT_AND_EXPR.
654         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
655         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
656         positives.
658 2019-05-21  Martin Liska  <mliska@suse.cz>
660         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
661         an extra newline.
662         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
663         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
664         vec_lvsr.
665         * config/rs6000/rs6000.c (rs6000_option_override_internal):
666         Quote a C type.
667         (rs6000_function_arg): Likewise.
668         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
669         (rs6000_expand_ternop_builtin): Use interval syntax.
670         (get_element_number): Likewise.
671         (altivec_expand_builtin): Likewise.
672         (rs6000_get_function_versions_dispatcher): Quote target_clones.
674 Fix test-suite.
676 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
678         PR c++/59813
679         PR target/90418
680         * function.h (struct function): Add calls_eh_return member.
681         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
682         gimplifying __builtin_eh_return call.
683         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
684         to cfun.
685         (expand_call_inline): Or in src_cfun->calls_eh_return into
686         dst_cfun->calls_eh_return.
687         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
688         cfun->calls_eh_return.
689         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
690         * lto-streamer-out.c (output_struct_function_base): Write
691         calls_eh_return.
693 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
695         PR rtl-optimization/43147
696         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
697         IX86_BUILTIN_SHUFPD.
699 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
701         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
702         (refs_may_alias_p_1): ... here; update stats.
703         (refs_may_alias_p): Do not update stats here.
705 2019-05-20  Richard Biener  <rguenther@suse.de>
707         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
708         doesn't produce pointers.
709         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
710         the first operand points to.
712 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
714         * tree-ssa-alias.c (compare_sizes): New function.
715         (sompare_type_sizes): New function
716         (aliasing_component_refs_p): Use it.
717         (indirect_ref_may_alias_decl_p): Likewise.
719 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
721         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
723 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
725         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
726         (LIBLSAN_EARLY_SPEC): Likewise.
727         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
729 2019-05-20  Martin Liska  <mliska@suse.cz>
731         * config/i386/i386.c (ix86_libc_has_fast_function):
732         Add ATTRIBUTE_UNUSED for the argument.
734 2019-05-20  Richard Biener  <rguenther@suse.de>
736         * gimple-match-head.c: Include vec-perm-indices.h.
737         * generic-match-head.c: Likewise.
738         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
739         is included.
740         * fold-const.c (fold_vec_perm): Export.
741         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
742         (match.pd): ...here.
744 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
746         * cfgloop.h (struct loop): Add simdlen member.
747         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
748         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
749         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
750         as new argument to autovectorize_vector_sizes target hook.  If
751         loop->simdlen, pick up vector size where the vectorization factor
752         is equal to loop->simd, and if there is none, fall back to the first
753         successful one.
754         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
755         caller.
756         * omp-low.c (omp_clause_aligned_alignment): Likewise.
757         * omp-general.c (omp_max_vf): Likewise.
758         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
759         * tree-vect-slp.c (vect_slp_bb): Likewise.
760         * target.def (autovectorize_vector_sizes): Add ALL argument and
761         document it.
762         * doc/tm.texi: Adjust documentation.
763         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
764         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
765         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
766         bool argument.
767         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
768         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
769         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
770         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
771         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
772         preferred vector size is not 512-bit or 256-bit, just put those
773         unpreferred ones last.
775 2019-05-20  Martin Liska  <mliska@suse.cz>
777         * targhooks.c (default_libc_has_fast_function): New function.
778         * targhooks.h (default_libc_has_fast_function): Likewise.
780 2019-05-20  Martin Liska  <mliska@suse.cz>
782         PR middle-end/90263
783         * builtins.c (expand_builtin_memory_copy_args): When having a
784         target with fast mempcpy implementation do now use memcpy.
785         * config/i386/i386.c (ix86_libc_has_fast_function): New.
786         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
787         * doc/tm.texi: Likewise.
788         * doc/tm.texi.in: Likewise.
789         * target.def:
790         * expr.c (emit_block_move_hints): Add 2 new arguments.
791         * expr.h (emit_block_move_hints): Bail out when libcall
792         to memcpy would be used.
794 2019-05-20  Martin Liska  <mliska@suse.cz>
796         * profile-count.c: Add vertical spacing in order
797         to separate functions.
798         * profile-count.h: Likewise.
800 2019-05-20  Martin Liska  <mliska@suse.cz>
802         * profile-count.h: Do not use full qualified
803         names if possible.
804         * profile-count.c (profile_count::to_frequency): Likewise.
806 2019-05-20  Martin Liska  <mliska@suse.cz>
808         * profile-count.h (enum profile_quality): Use capital letters
809         for enum value names.  Use the adjusted names.
810         * profile-count.c: Use the adjusted names.
812 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
814         * config/rs6000/constraints.md (define_register_constraint "wH"):
815         Delete.
816         (define_register_constraint "wI"): Delete.
817         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
818         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
819         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
820         (rs6000_init_hard_regno_mode_ok): Adjust.
821         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
822         resp. "d", or with "wa" as appropriate, all with "p8v".
823         * config/rs6000/vsx.md: Ditto.
824         * doc/md.texi (Machine Constraints): Adjust.
826 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
828         * config/rs6000/constraints.md (define_register_constraint "wy"):
829         Delete.
830         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
831         RS6000_CONSTRAINT_wy.
832         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
833         (rs6000_init_hard_regno_mode_ok): Adjust.
834         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
835         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
836         (define_mode_attr Fisa): New.
837         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
838         * doc/md.texi (Machine Constraints): Adjust.
840 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
842         * config/rs6000/constraints.md (define_register_constraint "wu"):
843         Delete.
844         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
845         RS6000_CONSTRAINT_wu.
846         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
847         (rs6000_init_hard_regno_mode_ok): Adjust.
848         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
849         both with "p8v".
850         (define_mode_attr Fa): Delete.
851         * config/rs6000/vsx.md: Ditto.
852         * doc/md.texi (Machine Constraints): Adjust.
854 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
856         * config/rs6000/constraints.md (define_register_constraint "wJ"):
857         Delete.
858         (define_register_constraint "wK"): Delete.
859         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
860         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
861         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
862         (rs6000_init_hard_regno_mode_ok): Adjust.
863         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
864         Replace "wK" constraint by "wH" with "p9v".
865         * config/rs6000/vsx.md: Ditto.
866         * doc/md.texi (Machine Constraints): Adjust.
868 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
870         * config/rs6000/constraints.md (define_register_constraint "wb"):
871         Delete.
872         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
873         RS6000_CONSTRAINT_wb.
874         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
875         (rs6000_init_hard_regno_mode_ok): Adjust.
876         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
877         * config/rs6000/vsx.md: Ditto.
878         * doc/md.texi (Machine Constraints): Adjust.
880 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
882         * config/rs6000/constraints.md (define_register_constraint "wo"):
883         Delete.
884         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
885         RS6000_CONSTRAINT_wo.
886         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
887         (rs6000_init_hard_regno_mode_ok): Adjust.
888         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
889         * config/rs6000/altivec.md: Ditto.
890         * doc/md.texi (Machine Constraints): Adjust.
892 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
894         * config/darwin-c.c (darwin_register_objc_includes): Do not
895         prepend the sysroot when building gnu-runtime header search
896         paths.
898 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
900         * config/darwin.c (darwin_file_end): Use switch_to_section ()
901         instead of direct output of the asm.
903 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
905         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
906         argument to be type bool (was int before).
907         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
908         at first use.  Use type bool for some variables.  Fix a theoretical
909         eh_return bug for svr4.
911 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
913         * config/rs6000/rs6000.md (isa): New attribute.
914         (enabled): New attribute.
916 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
918         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
919         assemble_start_function and assemble_end_function.
921 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
923         PR middle-end/89433
924         * omp-general.c (oacc_verify_routine_clauses): Change formal
925         parameters.  Add checking if already marked with an OpenACC
926         'routine' directive.  Adjust all users.
928         PR middle-end/89433
929         * omp-general.c (oacc_build_routine_dims): Move some of its
930         processing into...
931         (oacc_verify_routine_clauses): ... this new function.
932         * omp-general.h (oacc_verify_routine_clauses): New prototype.
934 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
936         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
937         formating of picbase labels to match other ports.
939 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
941         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
942         in the generated code.
944 2019-05-16  Martin Sebor  <msebor@redhat.com>
946         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
947         identifiers, keywords, operators, and types in diagnostics.  Correct
948         quoting, spelling, and sentence capitalization issues.
949         (expand_builtin_atomic_is_lock_free): Same.
950         (fold_builtin_next_arg): Same.
951         * cfgexpand.c (expand_one_var): Same.
952         (tree_conflicts_with_clobbers_p): Same.
953         (expand_asm_stmt): Same.
954         (verify_loop_structure): Same.
955         * cgraphunit.c (process_function_and_variable_attributes): Same.
956         * collect-utils.c (collect_execute): Same.
957         * collect2.c (maybe_run_lto_and_relink): Same.
958         (is_lto_object_file): Same.
959         (scan_prog_file): Same.
960         * convert.c (convert_to_real_1): Same.
961         * dwarf2out.c (dwarf2out_begin_prologue): Same.
962         * except.c (verify_eh_tree): Same.
963         * gcc.c (execute): Same.
964         (eval_spec_function): Same.
965         (run_attempt): Same.
966         (driver::set_up_specs): Same.
967         (compare_debug_auxbase_opt_spec_function): Same.
968         * gcov-tool.c (unlink_gcda_file): Same.
969         (do_merge): Same.
970         (do_rewrite): Same.
971         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
972         * gimplify.c (gimplify_asm_expr): Same.
973         (gimplify_adjust_omp_clauses): Same.
974         * hsa-gen.c (gen_hsa_addr_insns): Same.
975         (gen_hsa_insns_for_load): Same.
976         (gen_hsa_cmp_insn_from_gimple): Same.
977         (gen_hsa_insns_for_operation_assignment): Same.
978         (gen_get_level): Same.
979         (gen_hsa_alloca): Same.
980         (omp_simple_builtin::generate): Same.
981         (gen_hsa_atomic_for_builtin): Same.
982         (gen_hsa_insns_for_call): Same.
983         * input.c (dump_location_info): Same.
984         * ipa-devirt.c (compare_virtual_tables): Same.
985         * ira.c (ira_setup_eliminable_regset): Same.
986         * lra-assigns.c (lra_assign): Same.
987         * lra-constraints.c (lra_constraints): Same.
988         * lto-streamer-in.c (lto_input_mode_table): Same.
989         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
990         (merge_and_complain): Same.
991         (compile_offload_image): Same.
992         (compile_images_for_offload_targets): Same.
993         (debug_objcopy): Same.
994         (run_gcc): Same.
995         (main): Same.
996         * opts.c (print_specific_help): Same.
997         (parse_no_sanitize_attribute): Same.
998         (print_help): Same.
999         (handle_param): Same.
1000         * plugin.c (add_new_plugin): Same.
1001         (parse_plugin_arg_opt): Same.
1002         (try_init_one_plugin): Same.
1003         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1004         operators, and types in diagnostics.  Correct quoting and spelling
1005         issues.
1006         * read-rtl-function.c (parse_edge_flag_token): Same.
1007         (function_reader::parse_enum_value): Same.
1008         * reg-stack.c (check_asm_stack_operands): Same.
1009         * regcprop.c (validate_value_data): Same.
1010         * sched-rgn.c (make_pass_sched_fusion): Same.
1011         * stmt.c (check_unique_operand_names): Same.
1012         * targhooks.c (default_target_option_pragma_parse): Same.
1013         * tlink.c (recompile_files): Same.
1014         * toplev.c (process_options): Same.
1015         (do_compile): Same.
1016         * trans-mem.c (diagnose_tm_1): Same.
1017         (ipa_tm_scan_irr_block): Same.
1018         (ipa_tm_diagnose_transaction): Same.
1019         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1020         format a tree code name in a diagnostic.
1021         (verify_types_in_gimple_min_lval): Same.
1022         (verify_types_in_gimple_reference): Same.
1023         (verify_gimple_call): Same.
1024         (verify_gimple_assign_unary): Same.
1025         (verify_gimple_assign_binary): Same.
1026         (verify_gimple_assign_ternary): Same.
1027         (verify_gimple_assign_single): Same.
1028         (verify_gimple_switch): Same.
1029         (verify_gimple_label): Same.
1030         (verify_gimple_phi): Same.
1031         (verify_gimple_in_seq): Same.
1032         (verify_eh_throw_stmt_node): Same.
1033         (collect_subblocks): Same.
1034         (gimple_verify_flow_info): Same.
1035         (do_warn_unused_result): Same.
1036         * tree-inline.c (expand_call_inline): Same.
1037         * tree-into-ssa.c (update_ssa): Same.
1038         * tree.c (tree_int_cst_elt_check_failed): Same.
1039         (tree_vec_elt_check_failed): Same.
1040         (omp_clause_operand_check_failed): Same.
1041         (verify_type_variant): Same.
1042         (verify_type): Same.
1043         * value-prof.c (verify_histograms): Same.
1044         * varasm.c (assemble_start_function): Same.
1046 2019-05-16  Martin Sebor  <msebor@redhat.com>
1048         * config/i386/i386-expand.c (get_element_number): Quote keywords
1049         and other internal names in diagnostics.  Adjust other diagnostic
1050         formatting issues noted by -Wformat-diag.
1051         * config/i386/i386-features.c
1052         (ix86_mangle_function_version_assembler_name): Same.
1053         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1054         * config/i386/i386.c (ix86_function_type_abi): Same.
1055         (ix86_function_ms_hook_prologue): Same.
1056         (classify_argument): Same.
1057         (ix86_expand_prologue): Same.
1058         (ix86_md_asm_adjust): Same.
1059         (ix86_memmodel_check): Same.
1061 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1063         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1064         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1065         and fpxx modes.
1067 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1069         PR target/90497
1070         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1071         intrinsics without SSE/SSE2/SSSE3.
1072         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1073         check.
1074         (*mmx_uavgv8qi3): Likewise.
1076 2019-05-17  Richard Biener  <rguenther@suse.de>
1078         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1079         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1081 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1083         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1084         vec_sldw insn pattern.
1086 2019-05-17  Richard Biener  <rguenther@suse.de>
1088         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1090 2019-05-17  Martin Liska  <mliska@suse.cz>
1092         PR driver/90496
1093         * toplev.c (output_stack_usage): With LTO and sanitizer it
1094         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1095         has no file location.
1097 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1099         PR c++/90484
1100         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1101         sz0 is equal to sz1, instead return false in that case.
1103         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1104         has non-constant expression, force sctx.lane and use two
1105         argument IFN_GOMP_SIMD_LANE instead of single argument.
1106         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1107         two argument IFN_GOMP_SIMD_LANE without lhs.
1108         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1109         member.
1110         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1111         Define.
1112         (LOOP_REQUIRES_VERSIONING): Or in
1113         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1114         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1115         simd_if_cond.
1116         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1117         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1118         from simd if clause if needed.
1120 2019-05-16  Richard Biener  <rguenther@suse.de>
1122         * tree-affine.c (expr_to_aff_combination): New function split
1123         out from...
1124         (tree_to_aff_combination): ... here.
1125         (aff_combination_expand): Avoid building a GENERIC tree.
1127 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1129         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1130         assemble_start_function and assemble_end_function calls.
1131         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1132         assemble_start_function and assemble_end_function.
1133         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1134         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1135         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1136         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1137         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1138         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1139         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1140         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1141         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1142         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1143         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1144         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1145         Likewise.
1146         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1147         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1148         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1149         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1150         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1151         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1152         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1153         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1154         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1155         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1156         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1157         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1158         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1159         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1160         Likewise.
1161         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1162         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1163         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1165 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1167         * tree-ssa-alias.c (alias_stats): Add
1168         aliasing_component_refs_p_may_alias and
1169         aliasing_component_refs_p_no_alias.
1170         (dump_alias_stats): Print aliasing_component_refs_p stats.
1171         (aliasing_component_refs_p): Update stats.
1173 2019-05-16  Martin Liska  <mliska@suse.cz>
1175         PR lto/90500
1176         * multiple_target.c (expand_target_clones): Do not allow
1177         target_clones being used with a symbol that is an alias.
1179 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1181         PR tree-optimization/90394
1182         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1183         positives rather than ICE for cases where (code2 == NE_EXPR
1184         && code1 == BIT_AND_EXPR).
1186 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1188         PR fortran/90329
1189         * tree-core.h (struct tree_decl_common): Document
1190         decl_nonshareable_flag for PARM_DECLs.
1191         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1192         * calls.c (expand_call): Don't try tail call if caller
1193         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1194         passed on the stack and callee needs to pass any arguments on the
1195         stack.
1196         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1197         else if instead of series of mutually exclusive ifs.  Handle
1198         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1199         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1201         * lto-streamer.h (LTO_major_version): Bump to 9.
1203 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
1205         PR tree-optimization/90106
1206         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1207         new parameter as new internal function call, also move it to new
1208         basic block.
1209         (use_internal_fn): Pass internal function call to
1210         shrink_wrap_one_built_in_call_with_conds.
1212 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1214         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1215         max_vf to 1.
1216         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1217         safelen_int and set loop->dont_vectorize.
1219 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1221         PR target/89021
1222         * config/i386/i386-builtin.def: Enable MMX intrinsics with
1223         SSE/SSE2/SSSE3.
1224         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1225         Likewise.
1226         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1227         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1228         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1229         is defined.
1231 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1233         PR target/89021
1234         * config/i386/mmx.md (*vec_dupv2sf): Changed to
1235         define_insn_and_split to support SSE emulation.
1236         (*vec_extractv2sf_0): Likewise.
1237         (*vec_extractv2sf_1): Likewise.
1238         (*vec_extractv2si_0): Likewise.
1239         (*vec_extractv2si_1): Likewise.
1240         (*vec_extractv2si_zext_mem): Likewise.
1241         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1242         (vec_extractv2sf_1 splitter): Likewise.
1243         (vec_extractv2sfsf): Likewise.
1244         (vec_setv2si): Likewise.
1245         (vec_extractv2si_1 splitter): Likewise.
1246         (vec_extractv2sisi): Likewise.
1247         (vec_setv4hi): Likewise.
1248         (vec_extractv4hihi): Likewise.
1249         (vec_setv8qi): Likewise.
1250         (vec_extractv8qiqi): Likewise.
1251         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1252         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1253         (vec_extractv2sisi): Likewise.
1254         (vec_extractv4hihi): Likewise.
1255         (vec_extractv8qiqi): Likewise.
1256         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1257         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1258         (vec_initv2sisi): Likewise.
1259         (vec_initv4hihi): Likewise.
1260         (vec_initv8qiqi): Likewise.
1261         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
1262         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1263         (vec_setv4hi): Likewise.
1264         (vec_setv8qi): Likewise.
1266 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1268         PR target/89021
1269         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1270         TARGET_MMX_WITH_SSE.
1271         (MMXMODE:*mov<mode>_internal): Likewise.
1272         (MMXMODE:movmisalign<mode>): Likewise.
1274 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
1276         PR target/89021
1277         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1278         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1279         (sse2_cvtpd2pi): Ditto.
1280         (sse2_cvttpd2pi): Ditto.
1281         (*vec_concatv2sf_sse4_1): Ditto.
1282         (*vec_concatv2sf_sse): Ditto.
1283         (*vec_concatv2si_sse4_1): Ditto.
1284         (*vec_concatv2si): Ditto.
1285         (*vec_concatv4si_0): Ditto.
1286         (*vec_concatv2di_0): Ditto.
1288 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1290         PR target/89021
1291         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1293 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1295         PR target/89021
1296         * config/i386/sse.md (ssse3_palignrdi): Changed to
1297         define_insn_and_split to support SSE emulation.
1299 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1301         PR target/89021
1302         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1304 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1306         PR target/89021
1307         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1308         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1309         SSE emulation.
1311 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1313         PR target/89021
1314         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1315         or TARGET_MMX_WITH_SSE.
1316         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1318 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1320         PR target/89021
1321         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1323 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1325         PR target/89021
1326         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1327         Changed to define_insn_and_split to support SSE emulation.
1329 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1331         PR target/89021
1332         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1333         Changed to define_insn_and_split to support SSE emulation.
1335 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1337         PR target/89021
1338         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1339         (*mmx_<emms>): This.
1340         (mmx_<emms>): New expander.
1342 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1344         PR target/89021
1345         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1346         support.
1347         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1349 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1351         PR target/89021
1352         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1354 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1356         PR target/89021
1357         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1359 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1361         PR target/89021
1362         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1363         TARGET_MMX_WITH_SSE.
1364         (*mmx_uavgv4hi3): Add SSE emulation.
1366 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1368         PR target/89021
1369         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1370         and TARGET_MMX_WITH_SSE.
1371         (*mmx_uavgv8qi3): Add SSE emulation.
1373 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1375         PR target/89021
1376         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1377         maskmovdqu for __MMX_WITH_SSE__.
1379 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1381         PR target/89021
1382         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1383         TARGET_MMX and TARGET_MMX_WITH_SSE.
1384         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1386 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1388         PR target/89021
1389         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1390         define_insn_and_split to support SSE emulation.
1392 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1394         PR target/89021
1395         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1396         and TARGET_MMX_WITH_SSE.
1397         (mmx_<code>v8qi3): Likewise.
1398         (smaxmin:<code>v4hi3): New.
1399         (umaxmin:<code>v8qi3): Likewise.
1400         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1401         (umaxmin:*mmx_<code>v8qi3): Likewise.
1403 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1405         PR target/89021
1406         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1407         TARGET_MMX_WITH_SSE.
1408         (*mmx_pinsrw): Add SSE emulation.
1410 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1412         PR target/89021
1413         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1415 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1417         PR target/89021
1418         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1419         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1420         SSE emulation.
1422 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1424         PR target/89021
1425         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1426         (sse_cvttps2pi): Likewise.
1428 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1430         PR target/89021
1431         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1432         TARGET_MMX_WITH_SSE.
1433         (mmx_pshufw_1): Add SSE emulation.
1434         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1435         TARGET_MMX_WITH_SSE to support SSE emulation.
1437 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1439         PR target/89021
1440         * config/i386/constraints.md (Yw): New constraint.
1441         * config/i386/mmx.md (*vec_dupv2si): Changed to
1442         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1443         support SSE emulation.
1445 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1447         PR target/89021
1448         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1449         TARGET_MMX_WITH_SSE.
1450         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1451         support.
1452         (mmx_gt<mode>3): Likewise.
1454 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1456         PR target/89021
1457         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1458         TARGET_MMX_WITH_SSE.  Add SSE support.
1460 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1462         PR target/89021
1463         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1464         TARGET_MMX_WITH_SSE.
1465         (any_logic:<code><mode>3): New.
1466         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1467         Add SSE support.
1469 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1471         PR target/89021
1472         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1473         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1474         (mmx_<shift_insn><mode>3): Likewise.
1475         (ashr<mode>3): New.
1476         (<shift_insn><mode>3): Likewise.
1478 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1480         PR target/89021
1481         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1482         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1484 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1486         PR target/89021
1487         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1488         TARGET_MMX_WITH_SSE.
1489         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1490         SSE support.
1492 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1494         PR target/89021
1495         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1496         TARGET_MMX_WITH_SSE.
1497         (mulv4hi3): New.
1498         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1499         support.
1501 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1503         PR target/89021
1504         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1505         (plusminus:mmx_<plusminus_insn><mode>3): Check
1506         TARGET_MMX_WITH_SSE.
1507         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1508         (<plusminus_insn><mode>3): New.
1509         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1510         (*mmx_<plusminus_insn><mode>3): Likewise.
1512 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1514         PR target/89021
1515         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1516         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1517         prototype.
1518         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1519         define_insn_and_split to support SSE emulation.
1520         (mmx_punpcklbw): Likewise.
1521         (mmx_punpckhwd): Likewise.
1522         (mmx_punpcklwd): Likewise.
1523         (mmx_punpckhdq): Likewise.
1524         (mmx_punpckldq): Likewise.
1526 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1527             Uros Bizjak  <ubizjak@gmail.com>
1529         PR target/89021
1530         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1531         New function.
1532         (ix86_split_mmx_pack): Likewise.
1533         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1534         New prototype.
1535         (ix86_split_mmx_pack): Likewise.
1536         * config/i386/i386.md (mmx_isa): New.
1537         (enabled): Also check mmx_isa.
1538         * config/i386/mmx.md (any_s_truncate): New code iterator.
1539         (s_trunsuffix): New code attr.
1540         (mmx_packsswb): Removed.
1541         (mmx_packssdw): Likewise.
1542         (mmx_packuswb): Likewise.
1543         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1544         MMX packsswb/packuswb with SSE2.
1545         (mmx_packssdw): Likewise.
1546         * config/i386/predicates.md (register_mmxmem_operand): New.
1548 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1550         PR target/89021
1551         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1552         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1553         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1554         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1555         (ix86_vector_mode_supported_p): Likewise.
1556         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1558 2019-05-15  Martin Liska  <mliska@suse.cz>
1560         PR middle-end/90478
1561         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1562         Check for overflow.
1564 2019-05-15  Richard Biener  <rguenther@suse.de>
1566         * tree-into-ssa.c (pass_build_ssa::execute): Run
1567         update_address_taken before going into SSA.
1569 2019-05-15  Richard Biener  <rguenther@suse.de>
1571         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1572         as __BIT_FIELD_REF with type with -gimple.
1574 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1576         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1577         semantically equivalent branches (left over after prior refactorings).
1579 2019-05-15  Richard Biener  <rguenther@suse.de>
1581         PR tree-optimization/88828
1582         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1583         bogus check.
1585 2019-05-14  Richard Biener  <rguenther@suse.de>
1587         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1588         as __VIEW_CONVERT with -gimple.
1590 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1592         PR target/82920
1593         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1594         Darwin.
1596 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1598         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1599         define_split to become a define_insn_and_split.
1601 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1603         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1604         arguments.
1605         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1606         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1607         (sibcall_epilogue): Adjust.
1608         (epilogue): Adjust.
1610 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1612         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1613         to unsupported ones.
1614         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1615         * config.host: Likewise.
1616         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1617         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1618         __svr4__]: Remove "brand" fallback.
1619         [!KSTAT_DATA_STRING]: Remove.
1620         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1621         to *-*-solaris2*.
1622         (comdat_group): Likewise.
1623         (set_have_as_tls): Likewise.
1624         (gcc_cv_target_dl_iterate_phdr): Likewise.
1625         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1626         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1627         * configure: Regenerate.
1628         * doc/install.texi: Simplify Solaris target triplets.
1629         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1630         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1631         Remove Solaris 10 references.
1632         Remove obsolete Solaris bug reference.
1633         (Specific, sparc-sun-solaris2.10): Remove.
1635 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1637         * config/i386/i386.md (any_div): New code iterator.
1638         (paired_mod): New code attribute.
1639         (sgnprefix): Handle DIV and UDIV RTXes.
1640         (u): Ditto.
1641         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1642         and udivmod<mode>4 patterns using any_div code iterator.
1643         (divmod splitters): Macroize splitters using any_div code iterator.
1644         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1645         (*udivmodsi4_pow2_zext_2): Ditto.
1646         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1647         and *udivmod<mode>4_noext patterns using any_div code iterator.
1648         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1649         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
1650         patterns using any_div code iterator.
1651         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
1652         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
1653         patterns using any_div code iterator.
1654         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
1655         udivmodhiqi3 patterns using any_extend code iterator.
1657 2019-05-14  Richard Biener  <rguenther@suse.de>
1658             H.J. Lu  <hongjiu.lu@intel.com>
1660         PR tree-optimization/88828
1661         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
1662         permuting in a single non-constant element not extracted
1663         from a vector.
1665 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1667         * internal-fn.def (SIGNBIT): New.
1668         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
1669         defined.
1670         (signbitv4sf2): Likewise.
1672 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
1674         PR target/90357
1675         * config/mips/mips.c (mips_split_move): Skip forward SRC into
1676         next insn when the SRC reg is dead.
1678 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1680         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
1681         (alloc_cand_and_find_basis): Ditto.
1682         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
1683         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
1684         (create_add_imm_cand, slsr_process_cast): Ditto.
1685         (slsr_process_copy, replace_mult_candidate): Ditto.
1686         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
1687         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
1688         (pass_strength_reduction::execute): Init the first NULL element.
1690 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1692         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
1693         (run_attempt): Reformat line break.
1695 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
1697         PR target/90418
1698         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
1699         data registers in sibcall epilogues.
1700         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1702 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
1704         PR target/89221
1705         * configure.ac (--enable-frame-pointer):
1706         Disable by default for cygwin and mingw.
1707         * configure: Regenerate.
1709 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1711         * dwarf2out.c (breakout_comdat_types): Move comment to correct
1712         piece of code.
1713         (const_ok_for_output_1): Balance parens around #if/#else/#endif
1714         (gen_member_die): Move abstract origin check earlier.  Only VARs
1715         can be static_inline_p.  Simplify splicing control flow.
1717 2019-05-13  Richard Biener  <rguenther@suse.de>
1719         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
1720         VIEW_CONVERT_EXPR.
1721         (vect_build_slp_tree_1): Likewise.
1723 2019-05-13  Richard Biener  <rguenther@suse.de>
1725         PR tree-optimization/90402
1726         * tree-if-conv.c (tree_if_conversion): Value number only
1727         the loop body by making the latch an exit of the region
1728         as well.
1729         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
1730         processing PHIs.
1731         (do_rpo_vn): Deal with multiple edges into the entry block
1732         that are not backedges inside the region by skipping PHIs
1733         of the entry block.
1735 2019-05-13  Richard Biener  <rguenther@suse.de>
1737         PR tree-optimization/90316
1738         * tree-ssa-pre.c (insert_aux): Fold into ...
1739         (insert): ... this function.  Use a RPO walk to reduce the
1740         number of required iterations.
1742 2019-05-13  Martin Liska  <mliska@suse.cz>
1744         PR tree-optimization/90416
1745         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
1746         string instead of passing the second part as va_arg argument.
1748 2019-05-13  Martin Liska  <mliska@suse.cz>
1750         PR gcov-profile/90380
1751         * gcov.c (handle_cycle): Do not support zero cycle count,
1752         it should not be possible.
1753         (path_contains_zero_cycle_arc): New function.
1754         (circuit): Ignore zero cycle arc counts.
1756 2019-05-13  Martin Liska  <mliska@suse.cz>
1758         PR gcov-profile/90380
1759         * gcov.c (enum loop_type): Remove the enum and
1760         the operator.
1761         (handle_cycle): Assert that we should not reach
1762         a negative count.
1763         (circuit): Use loop_found instead of a tri-state loop_type.
1764         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
1765         happen.
1767 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1769         PR target/82920
1770         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
1771         (ix86_output_indirect_branch_via_reg): Use output mechanism
1772         accounting for __USER_LABEL_PREFIX__.
1773         (ix86_output_indirect_branch_via_push): Likewise.
1774         (ix86_output_function_return): Likewise.
1775         (ix86_output_indirect_function_return): Likewise.
1777 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
1779         * doc/md.texi: Document use of code attributes in rtx patterns.
1780         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
1781         * read-rtl.c (find_code): Split out search loops into...
1782         (maybe_find_code): ...this new function.
1783         (check_code_iterator): Make the error message more informative.
1784         (check_code_attribute): New function.
1785         (rtx_reader::rtx_alloc_for_name): Likewise.
1786         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
1787         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
1788         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
1789         <max_opp> directly as an rtx code instead of via a match_operator.
1790         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
1791         (<su>abd<mode>_3): Update accordingly.
1793 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1795         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
1796         is given, print the state of the EH "save world" computation for
1797         Darwin.
1799 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
1801         PR c++/59813
1802         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
1803         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1805 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
1807         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
1808         Use pinsrd for TARGET_SSE4_1.
1809         * config/i386/sse.md (movdi_to_sse): Ditto.
1811 2019-05-10  Richard Biener  <rguenther@suse.de>
1813         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
1814         (do_rpo_vn): Initialize next_value_id.
1816 2019-05-10  Martin Liska  <mliska@suse.cz>
1818         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1819         Fix plural form.
1821 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
1823         PR tree-optimization/90385
1824         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
1825         arguments of the exit phis.
1827         PR c++/90383
1828         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
1829         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
1830         id->do_not_fold.
1831         (copy_tree_body_r): Likewise.
1832         (copy_fn): Set id.do_not_fold to true.
1834 2019-05-10  Martin Liska  <mliska@suse.cz>
1836         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
1837         Reapply changes from r269790.
1839 2019-05-10  Martin Liska  <mliska@suse.cz>
1841         PR middle-end/90340
1842         * doc/invoke.texi: New params.
1843         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
1844         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
1845         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1846         Use it.
1847         * tree-switch-conversion.h (struct jump_table_cluster):
1848         Likewise.
1850 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
1852         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
1854 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
1856         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
1858 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
1860         PR rtl-optimization/88879
1861         * sel-sched.c (sel_target_adjust_priority): Remove assert.
1863 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
1865         PR target/90405
1866         * config/arm/arm.c (callee_saved_reg_p): Move before
1867         thumb_find_work_register.
1868         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
1869         thumb_find_work_register.  Only call df_get_live_out once.
1870         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
1871         (thumb_find_work_register): Use
1872         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
1873         algorithms to locate a spare call clobbered reg.
1875 2019-05-09  Martin Liska  <mliska@suse.cz>
1877         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
1878         and MAX_EXPR in GIMPLE FE format.
1880 2019-05-09  Martin Liska  <mliska@suse.cz>
1882         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
1883         * gimple-pretty-print.c (dump_gimple_bb_header):
1884         Dump BB count.
1885         (pp_cfg_jump): Dump edge probability.
1886         * profile-count.c (profile_quality_as_string): Simplify
1887         with a static array.
1888         (parse_profile_quality): New function.
1889         (profile_count::dump): Simplify with a static array.
1890         (profile_count::from_gcov_type): Add new argument.
1891         * profile-count.h (parse_profile_quality): Likewise.
1892         * predict.h (set_hot_bb_threshold): New.
1893         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1894         New param.
1895         * predict.c (get_hot_bb_threshold): Set from the new param.
1896         (set_hot_bb_threshold): New.
1898 2019-05-09  Richard Biener  <rguenther@suse.de>
1900         PR tree-optimization/90395
1901         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
1902         rewrite vector stores that throw internally.
1904 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
1906         * cif-code.def (CHKP): Remove.
1908         PR target/89221
1909         * configure.ac (--enable-frame-pointer): Disable by default for
1910         GNU systems.
1911         * configure: Regenerate.
1913 2019-05-09  Alan Modra  <amodra@gmail.com>
1915         PR target/89271
1916         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
1917         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
1918         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
1919         cost for general <-> vsx when direct moves are available.
1920         Cost union classes at minimal cost for any reg in the class.
1921         Correct calculation for moves between vsx, float, and altivec.
1922         Don't return a low cost for moves between special regs.  Don't
1923         use hard coded register numbers.
1924         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
1925         (rs6000_ira_change_pseudo_allocno_class): New function.
1926         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
1927         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
1928         alternatives.
1929         (movsi_internal1): Don't disparage vector alternatives.
1930         (mov<mode>_internal): Likewise, excepting alternative that
1931         will be split.
1932         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
1933         we <- b alternative.
1935 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1937         PR c++/59813
1938         PR tree-optimization/89060
1939         * tree-ssa-live.h (live_vars_map): New typedef.
1940         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
1941         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
1942         (struct compute_live_vars_data): New type.
1943         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
1944         live_vars_at_stmt, destroy_live_vars): New functions.
1945         * tree-tailcall.c: Include tree-ssa-live.h.
1946         (live_vars, live_vars_vec): New global variables.
1947         (find_tail_calls): Perform variable life analysis before punting.
1948         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
1949         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
1950         member.
1951         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
1952         Perform variable life analysis to select variables that really need
1953         clobbers added.
1954         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
1955         instead set id->eh_landing_pad_dest and assert it is the same.
1956         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
1958 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
1959             Richard Earnshaw  <rearnsha@arm.com>
1961         PR target/88167
1962         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
1963         function.
1964         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
1965         (thumb1_compute_save_core_reg_mask): Don't force a spare work
1966         register if both the epilogue and prologue can use call-clobbered
1967         regs.
1968         (thumb1_unexpanded_epilogue): Use
1969         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
1970         picking temporaries for restoring high regs to match that of the
1971         prologue where possible.
1972         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
1973         the list of work registers.  Detect if the return address is still live
1974         at the end of the prologue and avoid using it for a work register if so.
1975         If the return address is not live, add LR to the list of pushable regs
1976         after the first pass.
1978 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1980         PR tree-optimization/90078
1981         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
1982         (INFTY): Increase the value for infinite cost.
1983         (struct comp_cost): Promote type of members to int64_t.
1984         (infinite_cost): Don't set complexity in initialization.
1985         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
1986         overflows to infinite_cost.
1987         (adjust_setup_cost): Promote type of parameter and cost computation
1988         to int64_t.
1989         (struct ainc_cost_data, struct iv_ca): Promote type of member to
1990         int64_t.
1991         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
1992         cost computation to int64_t.
1993         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
1994         int64_t's format specifier in dump.
1996 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1998         PR tree-optimization/90240
1999         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2000         with respect to scaling factor pre-computed for each basic block.
2001         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2002         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2003         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2004         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2005         live range for array of loop's basic blocks.  Cleanup aux field of
2006         loop's basic blocks.
2008 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2010         PR tree-optimization/90356
2011         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2013 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2015         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2016         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2017         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2018         (ix86_handle_option): Handle -mavx512bf16.
2019         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2020         to extra_headers.
2021         * config/i386/avx512bf16vlintrin.h: New.
2022         * config/i386/avx512bf16intrin.h: New.
2023         * config/i386/cpuid.h (bit_AVX512BF16): New.
2024         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2025         * config/i386/i386-builtin-types.def: Add new types.
2026         * config/i386/i386-builtin.def: Add new builtins.
2027         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2028         __AVX512BF16__.
2029         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2030         (ix86_option_override_internal): Handle BF16.
2031         (ix86_valid_target_attribute_inner_p): Ditto.
2032         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2033         * config/i386/i386-builtin.c (enum processor_features): Add
2034         F_AVX512BF16.
2035         (static const _isa_names_table isa_names_table): Ditto.
2036         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2037         (PTA_AVX512BF16): Ditto.
2038         * config/i386/i386.opt: Add -mavx512bf16.
2039         * config/i386/immintrin.h: Include avx512bf16intrin.h
2040         and avx512bf16vlintrin.h.
2041         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2042         avx512f_cvtneps2bf16_<mode><mask_name>,
2043         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2044         * config/i386/subst.md (mask_half): Add new subst.
2045         * doc/invoke.texi: Document -mavx512bf16.
2047 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2049         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2050         Delete declaration.
2051         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2052         (rs6000_debug_legitimize_reload_address): Delete.
2053         (rs6000_legitimize_reload_address_ptr): Delete.
2054         (rs6000_option_override_internal): Adjust.
2055         (mem_operand_gpr): Adjust comment.
2056         (legitimate_lo_sum_address_p): Ditto.
2057         (rs6000_legitimize_reload_address): Delete.
2058         (rs6000_debug_legitimize_reload_address): Delete.
2059         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2061 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2063         PR target/89765
2064         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2065         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2066         to compute vector element selector for both constant and variable
2067         operands.
2069 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2071         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2072         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2073         ashrdi3_cvt using SWI48 mode iterator.
2075 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2077         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2078         (aarch64_<su>abd<mode>_3): Likewise.
2079         (*aarch64_<su>abd<mode>_3): New define_insn.
2080         (<sur>sad<vsi2qi>): New define_expand.
2081         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2082         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2083         (build_vect_cond_expr): Likewise.
2085 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2087         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2088         clobbers outside of accessible_reg_set.
2089         * config/i386/i386.c (ix86_conditional_register_usage):
2090         Disable register sets by clearing corresponding bits in
2091         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2092         call_used_regs and don't clear corresponding reg_names array members.
2094 2019-05-07  Richard Biener  <rguenther@suse.de>
2096         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2097         not specified still compute a comp_vectype for invariant
2098         compares.
2100 2019-05-07  Richard Biener  <rguenther@suse.de>
2102         PR tree-optimization/90316
2103         * tree-ssa-pre.c (translate_vuse_through_block): When
2104         same_valid is NULL do not bother to search for a virtual
2105         PHI continuation.
2106         (phi_translate_1): When operands changed we cannot keep
2107         the same value-number so do not bother to ask whether
2108         that's possible from translate_vuse_through_block.
2110 2019-05-07  Martin Liska  <mliska@suse.cz>
2112         * bitmap.c (bitmap_register): Come up with
2113         alloc_descriptor_max_uid and assign it for
2114         a new bitmap.
2115         (register_overhead): Use get_descriptor as
2116         a descriptor.
2117         (release_overhead): New.
2118         (bitmap_elem_to_freelist): Call it.
2119         (bitmap_elt_clear_from): Likewise.
2120         (bitmap_obstack_free): Likewise.
2121         (bitmap_move): Sensitively release memory.
2122         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2123         (bitmap_initialize): Initialize alloc_descriptor to zero.
2124         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2126 2019-05-07  Richard Biener  <rguenther@suse.de>
2128         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2129         we build a SLP node.  Remove max_size and limiting.
2130         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2132 2019-05-07  Richard Biener  <rguenther@suse.de>
2134         PR tree-optimization/90316
2135         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2136         limit by reference.
2137         (walk_non_aliased_vuses): Take walking limit argument.
2138         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2139         walking if it is reached instead of just counting.
2140         (get_continuation_for_phi): Likewise.
2141         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2142         limiting to the callback.
2143         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2144         (vn_reference_lookup_3): Likewise.
2145         (vn_reference_lookup_pieces): Likewise.
2146         (vn_reference_lookup): Likewise.
2147         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2148         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2149         (avail_exprs_stack::lookup_avail_expr): Likewise.
2151 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2153         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2154         for comparaible types in the second direction even if first one
2155         hits incomparable type.
2157 2019-05-07  Richard Biener  <rguenther@suse.de>
2159         PR lto/90369
2160         * lto-wrapper.c (debug_objcopy): Use the original filename
2161         including archive offset for the filename used for -save-temps.
2163 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2165         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2166         detection.
2168 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2170         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2171         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2172         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2173         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2174         (FRAME_POINTER_REGNUM): Change numbering.
2175         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2176         (alt_reg_names): Adjust.
2177         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2178         fixed.
2179         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2180         (DWARF_FRAME_REGISTERS): Delete.
2181         (DWARF2_FRAME_REG_OUT): Fix whitespace.
2182         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2183         Adjust.
2184         (REG_ALLOC_ORDER): Adjust.
2185         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2186         (REG_CLASS_CONTENTS): Adjust.
2187         (RETURN_ADDR_RTX): Change comment.
2188         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2189         instead of 67.
2190         (REGISTER_NAMES): Adjust.
2191         (ADDITIONAL_REGISTER_NAMES): Adjust.
2192         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2194 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2196         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2197         Delete.
2198         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2199         (DWARF_FRAME_REGISTERS): Adjust.
2200         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2201         Adjust.
2202         (REG_ALLOC_ORDER): Adjust.
2203         (enum reg_class): Delete SPR_REGS.
2204         (REG_CLASS_NAMES): Delete SPR_REGS.
2205         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
2206         (REGISTER_NAMES): Adjust.
2207         (ADDITIONAL_REGISTER_NAMES): Adjust.
2208         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2209         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2210         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2211         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2212         (htm_spr_regno): Delete.
2213         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2214         argument.
2215         (rs6000_dbx_register_number): Adjust.
2217 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2219         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2221 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2223         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2224         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2226 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
2228         PR tree-optimization/88709
2229         PR tree-optimization/90271
2230         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2231         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2232         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
2233         variable.
2234         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2235         of the store merging group is larger than
2236         PARAM_STORE_MERGING_MAX_SIZE parameter.
2237         (split_group): Add bzero_first argument.  If set, always emit first
2238         the first store which must be = {} of the whole area and then for the
2239         rest of the stores consider all zero bytes as paddings.
2240         (imm_store_chain_info::output_merged_store): Check if first store
2241         is = {} of the whole area and if yes, determine which setting of
2242         bzero_first for split_group gives smaller number of stores.  Adjust
2243         split_group callers.
2244         (lhs_valid_for_store_merging_p): Allow decls.
2245         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2246         no elts.
2247         (pass_store_merging::process_store): Likewise.
2249 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2251         PR target/89424
2252         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2253         handling of V1TImode.
2255 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
2257         PR target/89221
2258         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2259         and enable_frame_pointer ...
2260         * configure.ac: ... here.  Update help strings for
2261         --enable-frame-pointer.
2262         * configure: Regenerate.
2263         * config/i386/i386-options.c (ix86_option_override_internal): Remove
2264         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2265         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2266         (USE_X86_64_FRAME_POINTER): Ditto.
2268 2019-05-06  Martin Liska  <mliska@suse.cz>
2270         * config.gcc: Append to target_gtfiles and fix indentation.
2272 2019-05-06  Richard Biener  <rguenther@suse.de>
2274         PR tree-optimization/90358
2275         * tree-vect-stmts.c (get_group_load_store_type): Properly
2276         detect unused upper half of load.
2277         (vectorizable_load): Likewise.
2279 2019-05-06  Richard Biener  <rguenther@suse.de>
2281         PR tree-optimization/88828
2282         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2283         (simplify_vector_constructor): ...here.  Handle constants in
2284         the constructor.
2286 2019-05-06  Richard Biener  <rguenther@suse.de>
2288         PR tree-optimization/90328
2289         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2290         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2291         is valid in the loop nest before using it.
2292         (initialize_data_dependence_relation): Adjust.
2293         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2294         loop as loop-nest to dr_may_alias_p.
2296 2019-05-06  Richard Biener  <rguenther@suse.de>
2298         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2300 2019-05-06  Richard Biener  <rguenther@suse.de>
2302         PR tree-optimization/90316
2303         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2304         compute target on demand.
2305         (get_continuation_for_phi): Remove code walking stmts to
2306         get to a target virtual operand which could end up being
2307         quadratic.
2309 2019-05-06  Martin Liska  <mliska@suse.cz>
2311         PR sanitizer/90312
2312         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2313         when -mabi is selected to a non-default version.
2315 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2316             Martin Liska  <mliska@suse.cz>
2318         * Makefile.in: Add lto-dump.texi.
2319         * cgraph.h: Add new functions get_visibility_string and
2320         get_symtab_type_string.
2321         * doc/gcc.texi: Include lto-dump section.
2322         * doc/lto-dump.texi: New file.
2323         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2324         (parse_dump_option): Factor out this function.
2325         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2326         (parse_dump_option): Export the function.
2327         * symtab.c (symtab_node::get_visibility_string): New function.
2328         (symtab_node::get_symtab_type_string): Likewise.
2330 2019-05-06  Martin Liska  <mliska@suse.cz>
2332         * config/i386/i386-builtins.c: New file.
2333         * config/i386/i386-builtins.h: New file.
2334         * config/i386/i386-expand.c: New file.
2335         * config/i386/i386-expand.h: New file.
2336         * config/i386/i386-features.c: New file.
2337         * config/i386/i386-features.h: New file.
2338         * config/i386/i386-options.c: New file.
2339         * config/i386/i386-options.h: New file.
2340         * config.gcc: Add new files into extra_objs and
2341         target_gtfiles.
2342         * config/i386/i386.c: Split content of the file
2343         into newly introduced files.
2344         * config/i386/i386.h: Declare common variables
2345         and macros.
2346         * config/i386/t-i386: Define dependencies for new files.
2348 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2350         PR target/89400
2351         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2352         Restrict 'all' variant to 32-bit configurations.
2353         (unaligned_loadhiu): Likewise.
2354         (unaligned_storehi): Likewise.
2355         (unaligned_storesi): Likewise.
2356         (unaligned_loadhis): Disable when compiling for thumb1.
2358 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2360         PR tree-optimization/90269
2361         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2362         Ignore clobbers.
2364 2019-05-03  Martin Liska  <mliska@suse.cz>
2366         * hash-map.h: Add is_empty function.
2367         * hash-set.h: Likewise.
2368         * hash-table.h: Likewise.
2369         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2370         elements () == 0 (and similar usages).
2371         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2372         * gimplify.c (gimplify_bind_expr): Likewise.
2373         (gimplify_switch_expr): Likewise.
2374         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2375         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2376         * postreload-gcse.c (dump_hash_table): Likewise.
2377         (gcse_after_reload_main): Likewise.
2378         * predict.c (combine_predictions_for_bb): Likewise.
2379         * tree-parloops.c (reduction_phi): Likewise.
2380         (separate_decls_in_region): Likewise.
2381         (transform_to_exit_first_loop): Likewise.
2382         (gen_parallel_loop): Likewise.
2383         (gather_scalar_reductions): Likewise.
2384         (try_create_reduction_list): Likewise.
2385         * var-tracking.c (dump_vars): Likewise.
2386         (emit_notes_for_changes): Likewise.
2387         (vt_emit_notes): Likewise.
2389 2019-05-03  Richard Biener  <rguenther@suse.de>
2391         PR tree-optimization/90316
2392         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2393         before running VN.
2395 2019-05-03  Richard Biener  <rguenther@suse.de>
2397         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2398         peeling for gaps by loading only lower halves of vectors
2399         if possible.
2400         (vectorizable_load): Likewise.
2402 2019-05-03  Richard Biener  <rguenther@suse.de>
2404         PR middle-end/89518
2405         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2407 2019-05-03  Richard Biener  <rguenther@suse.de>
2409         PR middle-end/87314
2410         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2411         Handle STRING_CST vs DECL or STRING_CST.
2413 2019-05-03  Richard Biener  <rguenther@suse.de>
2415         PR tree-optimization/88963
2416         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2417         vector loads feeding only BIT_FIELD_REFs to component
2418         loads.  Rewrite stores fed by CONSTRUCTORs to component
2419         stores.
2421 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2423         * opts.h (finish_options): Remove lang_mask argument.
2424         (print_help, help_option_argument): Declare.
2425         * opts.c (print_help): Remove forward declaration, no longer static.
2426         (finish_options): Remove lang_mask argument, don't call print_help
2427         here.
2428         * opts-global.c (decode_options): Adjust finish_option caller, call
2429         print_help here.
2431         PR tree-optimization/90303
2432         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2433         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2435 2019-05-03  Richard Biener  <rguenther@suse.de>
2437         PR tree-optimization/89698
2438         * gimple-fold.c (canonicalize_constructor_val): Early out
2439         for constants, handle unfolded INTEGER_CSTs as they appear in
2440         C++ virtual table ctors.
2442 2019-05-03  Richard Biener  <rguenther@suse.de>
2444         * passes.c (execute_function_todo): Remove dead code.
2446 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2448         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2449         the internal register number, for any "real" register.
2451 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2453         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2454         correct numbers for TFHAR, TFIAR, TEXASR.
2456 2019-05-02  Richard Biener  <rguenther@suse.de>
2458         PR tree-optimization/89653
2459         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2460         update-address-taken before the pass.
2461         * passes.def (pass_tree_loop_init): Put comment before it.
2463 2019-05-02  Richard Biener  <rguenther@suse.de>
2465         PR tree-optimization/89509
2466         * tree-ssa-structalias.c (compute_dependence_clique): Look
2467         at the first subvar when determining whether it is restrict.
2469 2019-05-02  Richard Biener  <rguenther@suse.de>
2471         PR tree-optimization/90273
2472         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2473         useless debug stmts.
2475 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2477         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2478         ACLE branch.
2479         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2480         SVE ACLE branch.
2481         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2482         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2483         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2484         (vectorizable_reduction): Use the functions above to vectorize in a
2485         fully masked loop codes that don't have a conditional internal
2486         function.
2488 2019-05-02  Martin Liska  <mliska@suse.cz>
2490         * cgraphclones.c: Call valid_attribute_p with 1 for
2491         target_clone.
2492         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2493         it's for target attribute.
2494         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2495         Add new boolean argument.
2496         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2497         Likewise.
2498         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2499         to ix86_valid_target_attribute_inner_p.
2500         (ix86_valid_target_attribute_p): Pass flags argument to
2501         ix86_valid_target_attribute_inner_p.
2502         (get_builtin_code_for_version): Use 0 as it's target attribute.
2504 2019-05-02  Martin Liska  <mliska@suse.cz>
2506         * gcc.c (process_command): Add dummy file only
2507         if n_infiles == 0.
2508         * opts-global.c (decode_options): Pass lang_mask.
2509         * opts.c (print_help): New function.
2510         (finish_options): Print --help if help_option_argument
2511         is set.
2512         (common_handle_option): Factor out content of OPT__help_
2513         into print_help.
2514         * opts.h (finish_options): Add new argument.
2516 2019-05-02  Martin Liska  <mliska@suse.cz>
2518         PR target/88809
2519         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2520         With -minline-all-stringops use inline expansion using 4B loop.
2521         * doc/invoke.texi: Document the change of
2522         -minline-all-stringops.
2524 2019-05-01  Jeff Law  <law@redhat.com>
2526         PR tree-optimization/88797
2527         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2528         PHI feeds a conditional on the RHS of an assignment.
2530 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2531             Jim Wilson  <jimw@sifive.com>
2533         * config/riscv/constraints.md (L): New.
2534         * config/riscv/predicates.md (lui_operand): New.
2535         (sfb_alu_operand): New.
2536         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2537         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2538         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2539         * config/riscv/risc.md (type): Add sfb_alu.
2540         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2541         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2542         (branch_zero<mode>): Delete.
2543         (mov<mode>cc): New.
2544         (mov<GPR:mode><X:mode>cc): Likewise.
2545         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2547 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2549         * tree.h (MARK_TS_EXP): New.
2551 2019-04-30  Martin Liska  <mliska@suse.cz>
2553         * opts.c (enable_warning_as_error): Provide hints
2554         for unknown options.
2556 2019-04-30  Martin Liska  <mliska@suse.cz>
2558         PR debug/90288
2559         * doc/invoke.texi: Add missing dash for gas-locview-support
2560         and gno-as-locview-support.
2562 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2564         PR target/89093
2565         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2566         whitespace at the start of target attribute string.
2568 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2570         PR target/86538
2571         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2572         Define __ARM_FEATURE_ATOMICS.
2574 2019-04-30  Martin Liska  <mliska@suse.cz>
2576         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2577         into built_in_function enum. Remove code for endp == 2 and
2578         use BUILT_IN_* constants.
2579         (gimple_fold_builtin): Call the function with fcode.
2581 2019-04-30  Martin Liska  <mliska@suse.cz>
2583         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2584         DECL_FUNCTION_CODE into ix86_builtins enum before
2585         the switch statement.
2587 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2589         PR tree-optimization/89475
2590         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2591         calls.
2593 2019-04-30  Martin Liska  <mliska@suse.cz>
2595         PR translation/90274
2596         * opts.c (print_filtered_help): Wrap string in _(...).
2598 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2600         PR tree-optimization/90240
2601         Revert:
2602         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2604         PR tree-optimization/90078
2605         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2606         checks for infinite_cost overflow.
2608 2019-04-29  Jeff Law  <law@redhat.com>
2610         * passes.def: Move -Wrestrict pass after copy propagation.
2612 2019-04-29  Maya Rashish  <coypu@sdf.org>
2614         * config.gcc (default_gnu_indirect_function): Default to yes
2615         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2616         sparc*-*-netbsd*, x86_64-*-netbsd*.
2618 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2620         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2621         where cond2 is NE_EXPR.
2622         (is_value_included_in): Update comment.
2624 2019-04-29  Richard Biener  <rguenther@suse.de>
2626         PR tree-optimization/90278
2627         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2628         EH on comparison simplification.
2630 2019-04-29  Jason Merrill  <jason@redhat.com>
2632         PR c++/82081 - tail call optimization breaks noexcept
2633         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2634         nothrow function to a might-throw function into a tail call.
2636 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2638         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2639         (DDR_INNER_LOOP): Likewise.
2640         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2641         (initialize_data_dependence_relation): Likewise.
2642         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2644 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2646         PR rtl-optimization/90257
2647         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2648         return value.
2650         Revert the revert:
2651         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2653         PR target/90178
2654         Revert:
2655         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2657         Revert the revert:
2658         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2660         Revert:
2661         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2663         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2665 2019-04-29  Richard Biener  <rguenther@suse.de>
2667         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
2668         rhs issue a reset.
2670 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
2672         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
2673         varasm.h, and netbsd-protos.h.
2675 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
2677         PR target/89261
2678         * config/i386/i386-protos.h (ix86_data_alignment): Change
2679         the second argument type to unsigned int.
2680         * config/i386/i386.c (ix86_data_alignment): Change "align"
2681         argument type to unsigned int.
2683 2019-04-27  Martin Liska  <mliska@suse.cz>
2685         PR middle-end/90258
2686         * opt-suggestions.c (option_proposer::build_option_suggestions):
2687         When get_valid_option_values returns empty values, add the
2688         misspelling candidate.
2690 2019-04-26  Jim Wilson  <jimw@sifive.com>
2692         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
2693         parameter.
2694         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
2695         Pass orig_mode to riscv_build_integer.
2696         (riscv_split_integer): Pass mode to riscv_move_integer.
2697         (riscv_legitimize_const_move): Likewise.
2698         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
2699         promoted_mode.  Replace force_reg call with code to load constant into
2700         promoted reg and then subreg it for the store.
2701         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
2702         riscv_move_integer.
2704 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
2706         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
2707         corrupt codes.
2709 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
2711         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
2712         commentary about the encoding of precision.
2714 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
2716         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
2717         * config/i386/t-freebsd64: New file.
2718         * config.gcc: Add the t-freebsd64 for multilib support.
2720 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
2722         * doc/extend.texi (vector_size): Add missing comma after @xref.
2724 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
2726         * BASE-VER: Set to 10.0.0.
2728 2019-04-25  Richard Biener  <rguenther@suse.de>
2730         PR middle-end/89765
2731         * gimplify.c (gimplify_expr): Avoid turning a lvalue
2732         VIEW_CONVERT_EXPR into one operating on an rvalue.
2734 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2736         PR target/89929
2737         * config/i386/i386.c (feature_priority): Moved to file scope.
2738         (processor_features): Likewise.
2739         (processor_model): Likewise.
2740         (_arch_names_table): Likewise.
2741         (arch_names_table): Likewise.
2742         (_feature_list): Removed.
2743         (feature_list): Likewise.
2744         (_isa_names_table): Moved to file scope.  Add priority.
2745         (isa_names_table): Likewise.
2746         (get_builtin_code_for_version): Replace feature_list with
2747         isa_names_table.  Update error message for P_ZERO priority.
2749 2019-04-25  Richard Biener  <rguenther@suse.de>
2751         * tree-pass.h (make_pass_phi_only_cprop): Remove.
2752         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
2754 2019-04-24  Jeff Law  <law@redhat.com>
2756         PR tree-optimization/90037
2757         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
2758         * passes.def: Replace all instance of phi-only cprop with the
2759         lattice propagator.  Move propagation pass from after erroneous
2760         path isolation to before erroneous path isolation.
2761         * tree-ssa-phionlycprop.c: Remove.
2763 2019-04-24  Richard Biener  <rguenther@suse.de>
2765         PR middle-end/90213
2766         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
2767         by size and BITS_PER_UNIT on poly-wide-ints.
2769 2019-04-25  Richard Biener  <rguenther@suse.de>
2771         PR middle-end/90194
2772         * match.pd: Add pattern to simplify view-conversion of an
2773         empty constructor.
2775 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
2777         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
2778         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
2779         for Go on 32 bit AIX.
2780         * config/rs6000/aix72.h: Likewise.
2782 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2784         PR target/90193
2785         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
2786         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
2788 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
2790         PR target/89952
2791         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
2792         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
2793         for restored hard frame pointer.
2794         (s390_sched_dependencies_evaluation): Implement new target hook.
2795         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
2797 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
2799         * config/arc/arc-options.def: Fix typos and spelling mistakes.
2800         * config/arc/arc.c (arc_init): Cleanup warning message.
2801         (arc_override_options): Likewise.
2803 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2805         PR target/90187
2806         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
2807         a register if both if_true and if_false are MEMs.
2809         PR tree-optimization/90208
2810         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
2811         after labels of new_bb, not before them.
2813         PR tree-optimization/90211
2814         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
2815         which are not SSA_NAMEs.
2817 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
2819         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
2820         AArch64.
2821         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
2823 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2825         PR rtl-optimization/87979
2826         * modulo-sched.c (sms_schedule): Start ii value "mii" should
2827         not equal zero.
2829 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2831         PR rtl-optimization/84032
2832         * modulo-sched.c (ps_insn_find_column): Change condition so that
2833         branch will always be the last insn in a row inside partial
2834         schedule.
2836 2019-04-23  Richard Biener  <rguenther@suse.de>
2838         PR debug/90131
2839         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
2840         dest_single_pred_p argument.
2841         (remove_forwarder_block): Adjust.
2842         (remove_forwarder_block_with_phi): Likewise.
2844 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2845             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2846             Jakub Jelinek  <jakub@redhat.com>
2848         PR target/89093
2849         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
2850         if used with general-regs-only.
2851         (arm_conditional_register_usage): Don't add non-general regs if
2852         general-regs-only.
2853         (arm_valid_target_attribute_rec): Handle general-regs-only.
2854         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
2855         general-regs-only.
2856         (TARGET_HARD_FLOAT_SUB): Define.
2857         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
2858         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
2859         (TARGET_REALLY_IWMMXT2): Likewise.
2860         * config/arm/arm.opt: Add -mgeneral-regs-only.
2861         * doc/extend.texi: Document ARM general-regs-only target.
2862         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
2864 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2866         PR tree-optimization/90078
2867         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2868         checks for infinite_cost overflow.
2870 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2872         PR tree-optimization/90021
2873         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
2874         and check univariate against it.
2875         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
2876         * tree-data-ref.c (add_other_self_distances): Pass new argument.
2878 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2880         PR target/90178
2881         Revert:
2882         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2884         Revert the revert:
2885         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2887         Revert:
2888         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2890         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2892 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
2894         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
2895         names using operand format, rather than hard-wired.
2896         (speculation_barrier): Likewise.
2898 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
2900         PR tree-optimization/88055
2901         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
2902         (gen_one_condition): Use it if !HONOR_NANS.
2904 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
2906         PR middle-end/90139
2907         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
2908         assign_temp instead of gen_reg_rtx.
2910 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
2912         PR translation/90118
2913         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2914         Add missing space before %<.
2916 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
2918         PR rtl-optimization/87871
2919         * ira-lives.c (make_object_dead): Don't add conflicts to
2920         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
2922 2019-04-18  Martin Sebor  <msebor@redhat.com>
2924         PR middle-end/89797
2925         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
2926         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
2927         assuming type size fits in SHWI.
2929 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
2931         PR ipa/85051
2932         * ipa-inline.c (flatten_function): New parameter UPDATE.
2933         (ipa_inline, early_inliner): Use it.
2935 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2937         * fold-const.c (int_const_binop): Return early on failure.
2939 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2941         PR middle-end/85164
2942         * combine.c (force_int_to_mode): Cast the argument rather than
2943         the result of known_alignment.
2944         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
2946 2019-04-18  Richard Biener  <rguenther@suse.de>
2948         PR debug/90131
2949         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
2950         out from ...
2951         (remove_forwarder_block): ... here.
2952         (remove_forwarder_block_with_phi): Also move debug stmts here.
2954 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
2956         PR translation/79183
2957         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
2958         inform where appropriate.
2960 2019-04-18  Richard Biener  <rguenther@suse.de>
2962         * tree.c (get_qualified_type): Put found type variants at the
2963         head of the variant list.
2965 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2967         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
2969 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
2971         PR target/90125
2972         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
2973         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
2974         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
2975         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
2976         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
2978 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
2980         * ira-conflicts.c (print_allocno_conflicts): Always print something,
2981         even for allocno's with no conflicts.
2982         (print_conflicts): Print an extra newline.
2984 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2986         * auto-inc-dec.c (attempt_change): Set the alignment of the
2987         temporary memory to that of the original.
2989 2019-04-17  Joao Moreira  <jmoreira@suse.de>
2991         * targhooks.c (default_print_patchable_function_entry): Emit
2992         __patchable_function_entries section with writable flags to allow
2993         relocation resolution.
2995 2019-04-17  Jonny Grant  <jg@jguk.org>
2997         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
2999 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3001         PR middle-end/90095
3002         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3003         on lowpart SUBREGs.
3005 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3007         * config/arc/arc.c (arc_init): Format diagnostic string.
3008         (arc_override_options): Likewise.
3009         (check_if_valid_regno_const): Likewise.
3010         (arc_reorg): Likewise.
3012 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3014         PR target/17108
3015         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3016         name.
3017         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3018         name.
3019         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3020         (*movdi_update1): Use Pmode.
3021         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3022         (movdi_<mode>_update_stack): Rename to ...
3023         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3024         use Pmode.
3025         (*movsi_update1): Use Pmode.
3026         (*movsi_update2): Use Pmode.
3027         (movsi_update): Rename to ...
3028         (movsi_<mode>_update): ... this.  Use Pmode.
3029         (movsi_update_stack): Fix condition.
3030         (*movhi_update1): Use Pmode.  Fix argument to
3031         avoiding_indexed_address_p.
3032         (*movhi_update2): Ditto.
3033         (*movhi_update3): Ditto.
3034         (*movhi_update4): Ditto.
3035         (*movqi_update1): Ditto.
3036         (*movqi_update2): Ditto.
3037         (*movqi_update3): Ditto.
3038         (*movsf_update1, *movdf_update1): Merge, rename to...
3039         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3040         avoiding_indexed_address_p.  Add "size" attribute.
3041         (*movsf_update2, *movdf_update2): Merge, rename to...
3042         (*mov<mode>_update2): This.  Ditto.
3043         (*movsf_update3): Use Pmode.  Fix argument to
3044         avoiding_indexed_address_p.
3045         (*movsf_update4): Ditto.
3046         (allocate_stack): Simplify condition.  Adjust pattern names.
3048 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3050         PR target/89093
3051         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3052         whitespace at the start of target attribute string.
3054 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3056         PR target/84369
3057         * config/rs6000/power9.md: Add store forwarding bypass.
3059 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3061         PR debug/89528
3062         * valtrack.c (dead_debug_insert_temp): Reset debug references
3063         to the return value of a call being removed.
3065 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3067         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3068         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3069         implement target hook.
3070         (arc_memory_move_cost): New function.
3071         (TARGET_REGISTER_MOVE_COST): Define.
3072         (TARGET_MEMORY_MOVE_COST): Likewise.
3073         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3074         (MEMORY_MOVE_COST): Likewise.
3076 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3078         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3079         (sibcall_value_insn): Likewise.
3080         * config/arc/constraints.md (Rs5): Remove.
3082 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3084         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3085         for last two fake registers.
3086         (arc_conditional_register_usage): Make sure fake frame and arg
3087         pointer regs are in general regs class.
3088         (FRAME_POINTER_MASK): Remove.
3089         (RETURN_ADDR_MASK): Remove.
3090         (arc_must_save_register): Use hard frame regnum.
3091         (frame_restore_reg): Use hard_frame_pointer_rtx.
3092         (arc_save_callee_saves): Likewise.
3093         (arc_restore_callee_saves): Likewise.
3094         (arc_save_callee_enter): Likewise.
3095         (arc_restore_callee_leave): Likewise.
3096         (arc_save_callee_milli): Likewise.
3097         (arc_eh_return_address_location): Likewise.
3098         (arc_check_multi): Use hard frame regnum.
3099         (arc_can_eliminate): Likewise.
3100         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3101         for register allocator.
3102         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3103         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3104         (FRAME_POINTER_REGNUM): Change it to a fake register.
3105         (HARD_FRAME_POINTER_REGNUM): Defined.
3106         (ARG_POINTER_REGNUM): Change it to a new fake register.
3107         (ELIMINABLE_REGS): Update.
3108         (REGISTER_NAMES): Update names.
3109         * config/arc/arc.md (LP_START): Remove.
3110         (LP_END): Likewise.
3111         (shift_si3_loop): Update pattern.
3113 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3115         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3116         to avoid delay slot scheduling.
3117         (arc_must_save_register): Don't save SP.
3118         * config/arc/arc.md (stack_tie): Remove.
3119         (UNSPEC_ARC_STKTIE): Likewise.
3121 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3122             Shiva Chen  <shiva0217@gmail.com>
3124         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3125         code gen with large shift amount.
3127 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3129         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3130         subreg.
3132 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3134         PR target/90096
3135         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3136         print -m64/-mx32/-m32 if it is true.
3137         (ix86_debug_options, ix86_function_specific_print): Pass true as
3138         ADD_ABI_P to ix86_target_string.
3139         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3140         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3141         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3143         PR rtl-optimization/90082
3144         * dce.c (can_delete_call): New function.
3145         (deletable_insn_p, mark_insn): Use it.
3147         PR tree-optimization/90090
3148         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3149         throw internally.
3150         (is_division_by_square): Likewise.  Formatting fix.
3152 2019-04-16  Richard Biener  <rguenther@suse.de>
3154         PR tree-optimization/56049
3155         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3156         equality check if alias-set zero will prevail.
3158 2019-04-15  Jeff Law  <law@redhat.com>
3160         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3161         size and alignment as unsigned.
3163 2019-04-15  Richard Biener  <rguenther@suse.de>
3165         PR debug/90074
3166         * tree-loop-distribution.c (destroy_loop): Preserve correct
3167         debug info.
3169 2019-04-15  Richard Biener  <rguenther@suse.de>
3171         PR tree-optimization/90071
3172         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3173         abnormal operands from def stmts.
3175 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3177         PR rtl-optimization/89794
3178         * combine.c (count_auto_inc): New function.
3179         (try_combine): Count how many auto_inc expressions there were in the
3180         original instructions.  Ensure we have the same number in the new
3181         instructions.  Remove the code that tried to ensure auto_inc side
3182         effects on i1 and i0 are not lost.
3184 2019-04-15  Richard Biener  <rguenther@suse.de>
3186         PR ipa/88936
3187         * tree.h (auto_var_p): Declare.
3188         * tree.c (auto_var_p): New function, split out from ...
3189         (auto_var_in_fn_p): ... here.
3190         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3191         member.
3192         (new_var_info): Initialize it.
3193         (set_uids_in_ptset): Also set the shadow variable uid if required.
3194         (ipa_pta_execute): Postprocess points-to solutions assigning
3195         shadow variable uids for locals that may reach their containing
3196         function recursively.
3197         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3198         assert but instead check whether the points-to solution is
3199         a singleton.
3201 2019-04-15  Martin Jambor  <mjambor@suse.cz>
3203         PR ipa/pr89693
3204         * cgraph.c (clone_of_p): Loop over clone chain for each step in
3205         the thunk chain.
3207 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3209         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3211 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3212             Kito Cheng  <kito.cheng@gmail.com>
3213             Shiva Chen  <shiva0217@gmail.com>
3215         * config/nds32/nds32-md-auxiliary.c
3216         (nds32_legitimize_pic_address): Use new PIC pattern.
3217         (nds32_legitimize_tls_address): Use new TLS pattern.
3218         (nds32_output_symrel): New.
3219         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3220         (nds32_alloc_relax_group_id): Ditto.
3221         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3222         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3223         relax_group_id.
3224         (nds32_group_tls_insn): Ditto.
3225         (nds32_group_float_insns): Ditto.
3226         * config/nds32/nds32.md (tls_le): New.
3227         (sym_got): Ditto.
3229 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
3231         * configure: Add nds32 target for dwarf2 debug_line checking.
3232         * configure.ac: Regenerated.
3234 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
3236         PR lto/89358
3237         * ipa-devirt.c (skip_in_fields_list_p): New.
3238         (odr_types_equivalent_p): Use it.
3240 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
3242         PR target/89093
3243         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3244         instead of strncmp when checking for thumb and arm.  Formatting fixes.
3246 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
3248         * doc/install.texi: Document --with-target-system-zlib.
3250 2019-04-12  Martin Sebor  <msebor@redhat.com>
3252         PR c/88383
3253         PR c/89288
3254         PR c/89798
3255         PR c/89797
3256         * targhooks.c (default_vector_alignment): Avoid assuming
3257         argument fits in SHWI.
3258         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3259         a shift expression.
3260         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3262 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3264         PR rtl-optimization/89965
3265         * dce.c: Include rtl-iter.h.
3266         (struct check_argument_load_data): New type.
3267         (check_argument_load): New function.
3268         (find_call_stack_args): Check for loads from stack slots still tracked
3269         in sp_bytes and punt if any is found.
3271         * config/mips/loongson-mmiintrin.h: Fix up #error message.
3273 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
3275         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3276         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3278 2019-04-12  Martin Liska  <mliska@suse.cz>
3280         PR middle-end/89970
3281         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3282         in error message.
3283         (separate_attrs): Handle multiple 'default's.
3284         (expand_target_clones): Rework error handling code.
3286 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3288         PR target/87532
3289         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3290         mode of vector rather than mode of destination for move instruction.
3291         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3292         Use QI inner mode with V16QI vector mode.
3294 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3296         PR target/52726
3297         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3298         "invalid %%t operand" in output_operand_lossage message.
3300 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3302         * config/s390/predicates.md (permute_pattern_operand): New
3303         predicate.
3304         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3305         operand for the permute pattern.
3306         ("*vec_perm<mode>"): New insn definition.
3307         ("bswap<mode>"): Generate the permute pattern operand in the
3308         expander and perform the operand reloads for pre arch13 level
3309         already.
3310         ("*bswap<mode>_emu"): Rename to ...
3311         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3312         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3313         Add the USE operand for the permute pattern.
3314         ("*vec_set_bswap_vec<mode>"): Likewise.
3316 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3318         PR c/89946
3319         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3320         and gcc_unreachable if it fails, just call tree_to_uhwi which
3321         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3322         Start warning message with a lower-case letter.  Formatting fixes.
3324         PR rtl-optimization/90026
3325         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3326         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3327         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3328         in cfglayout mode, use emit_barrier_after_bb.
3330 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3332         PR rtl-optimization/87763
3333         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3334         New Instruction.
3336 2019-04-11  Tom de Vries  <tdevries@suse.de>
3338         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3339         max macro using statement expression.
3341 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3343         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3344         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3345         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3346         read_only_private_data_section using xcoff_private_rodata_section_name.
3347         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3349 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3351         PR target/90016
3352         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3354 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3356         PR rtl-optimization/89965
3357         * dce.c (sp_based_mem_offset): New function.
3358         (find_call_stack_args): Use sp_based_mem_offset.
3360 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3362         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3364 2019-04-11  Richard Biener  <rguenther@suse.de>
3366         PR tree-optimization/90020
3367         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3368         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3369         * tree-ssa-pre.c (compute_avail): Use it to not put
3370         possibly trapping references after a call that might not
3371         return into EXP_GEN.
3372         * gcse.c (compute_hash_table_work): Do not elide
3373         marking a block containing a call if the call might not
3374         return.
3376 2019-04-11  Richard Biener  <rguenther@suse.de>
3378         PR tree-optimization/90018
3379         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3380         Test both SLP and interleaving variants.
3382 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3384         * config/s390/8561.md: New file.
3385         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3386         Add arch13 cpu model.
3387         * config/s390/s390-opts.h (enum processor_type): Likewise.
3388         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3389         (s390_get_unit_mask): Likewise.
3390         (s390_is_fpd): Likewise.
3391         (s390_is_fxd): Likewise.
3392         * config/s390/s390.h (s390_tune_attr): Likewise.
3393         * config/s390/s390.md: Include arch13 pipeline description.
3394         * config/s390/s390.opt: Add arch13.
3396 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3398         PR rtl-optimization/87763
3399         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3400         New prototype.
3401         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3402         New function.
3403         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3404         New instruction.
3405         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3406         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3407         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3408         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3410 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3412         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3413         "Although" in -fipa-icf documentation.
3415         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3416         of using multiple -g options.
3418 2019-04-10  Martin Liska  <mliska@suse.cz>
3420         PR gcov-profile/89959
3421         * doc/gcov.texi: Make documentation of -x option
3422         more precise.
3424 2019-04-10  Richard Biener  <rguenther@suse.de>
3426         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3427         member.
3428         (DR_GROUP_SAME_DR_STMT): Remove.
3429         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3430         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3431         replace with assert.
3432         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3433         (vect_record_grouped_load_vectors): Remove unreachable code.
3435 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3437         PR target/90016
3438         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3439         obsolete reference to N.
3441 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3443         PR middle-end/90025
3444         * expr.c (store_expr): Set properly size on the MEM passed to
3445         clear_storage.
3447         PR c++/90010
3448         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3449         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3450         translation is needed, and when translation is needed, only append
3451         ... if the string length is hostsz or more bytes long.  Avoid using
3452         strncpy or strcat.
3454 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3456         PR target/90024
3457         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3458         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3459         into three.
3460         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3461         differences directly.
3462         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3464 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3466         PR translation/90011
3467         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3468         from diagnostics.
3469         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3470         diagnostics.
3471         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3472         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3473         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3474         trailing space from -gsplit-dwarf diagnostics.
3476         PR tree-optimization/89998
3477         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3478         instead of integer_type_node if possible, don't add ranges if return
3479         type is not compatible with int.
3480         * gimple-fold.c (gimple_fold_builtin_sprintf,
3481         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3482         integer_type_node.
3484 2019-04-09  Martin Liska  <mliska@suse.cz>
3486         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3487         * doc/install.texi: Document the new config.
3489 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3491         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3492         use gimple_expr_type for load and store calls.  Skip over the
3493         condition argument in a conditional internal function.
3494         Protect use of TREE_INT_CST_LOW.
3496 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3498         PR target/90015
3499         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3500         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3501         trailing period from it too.
3503 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3505         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3506         * config/aarch64/aarch64.md : Add "tsv110.md"
3507         * config/aarch64/tsv110.md: New file.
3509 2019-04-08  Richard Biener  <rguenther@suse.de>
3511         PR tree-optimization/90006
3512         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3513         calls like lrint.
3515 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3517         PR target/83033
3518         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3519         construction.
3520         (fma_root_node): Likewise.
3521         (func_fma_steering): Likewise.
3523 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3525         PR rtl-optimization/89865
3526         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3528         PR rtl-optimization/89865
3529         * config/i386/i386.md
3530         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3531         numbers not to clash with the additional operands[4].
3532         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3533         with extra register copy in the middle.
3535 2019-04-08  Martin Liska  <mliska@suse.cz>
3537         PR gcov-profile/89961
3538         * doc/gcov.texi: Document data_file.
3539         * gcov.c (generate_results): Add data_info into JSON output.
3541 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3543         PR tree-optimization/89725
3544         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3545         loop's chrec as invariant symbol.
3546         * tree-chrec.h (chrec_contains_symbols): New parameter.
3547         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3548         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3549         function of loops not in DDR's loop_nest.
3550         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3552 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3554         PR target/89623
3555         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3556         Mask.
3558 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3560         PR target/89945
3561         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3562         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3564 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3566         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3567         targetm.fixed_condition_code_regs.
3569 2019-04-05  Richard Biener  <rguenther@suse.de>
3571         PR debug/89892
3572         PR debug/89905
3573         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3574         debug bind stmts but reset them if they are not valid at the
3575         destination.
3577 2019-04-05  Martin Liska  <mliska@suse.cz>
3579         PR translation/89936
3580         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3581         order to wrap keywords or arguments.
3582         * collect2.c (main): Likewise.
3583         (scan_prog_file): Likewise.
3584         (scan_libraries): Likewise.
3585         * common/config/riscv/riscv-common.c
3586         (riscv_subset_list::parsing_subset_version): Likewise.
3587         (riscv_subset_list::parse_std_ext): Likewise.
3588         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3589         Likewise.
3590         * config/arm/arm.c (arm_option_override): Likewise.
3591         * config/cris/cris.c (cris_print_operand): Likewise.
3592         * config/darwin-c.c (darwin_pragma_options): Likewise.
3593         (darwin_pragma_unused): Likewise.
3594         (darwin_pragma_ms_struct): Likewise.
3595         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3596         * config/i386/i386.c (print_reg): Likewise.
3597         (ix86_print_operand): Likewise.
3598         * config/i386/xm-djgpp.h: Likewise.
3599         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3600         * config/m32c/m32c.c (m32c_option_override): Likewise.
3601         * config/msp430/msp430.c (msp430_option_override): Likewise.
3602         * config/nds32/nds32.c (nds32_option_override): Likewise.
3603         * config/nvptx/mkoffload.c (main): Likewise.
3604         * config/rx/rx.c (rx_print_operand): Likewise.
3605         (valid_psw_flag): Likewise.
3606         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3607         (vms_pragma_nomember_alignment): Likewise.
3608         (vms_pragma_extern_model): Likewise.
3609         * lto-wrapper.c (compile_offload_image): Likewise.
3610         * omp-offload.c (oacc_parse_default_dims): Likewise.
3611         * symtab.c (symtab_node::verify_base): Likewise.
3612         * tlink.c (recompile_files): Likewise.
3613         (start_tweaking): Likewise.
3614         * tree-profile.c (parse_profile_filter): Likewise.
3616 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3618         PR tree-optimization/89956
3619         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3620         multiple negates of the same value.
3622 2019-04-04  Martin Sebor  <msebor@redhat.com>
3624         PR middle-end/89957
3625         PR middle-end/89911
3626         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3627         have the same precision since the function crashes otherwise.
3628         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3629         has non-zero arguments.
3631 2019-04-04  Martin Sebor  <msebor@redhat.com>
3633         PR middle-end/89934
3634         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3635         out if the number of arguments is less than expected.
3637 2019-04-04  Jeff Law  <law@redhat.com>
3639         PR rtl-optimization/89399
3640         * ree.c (combine_set_extension): Use single_set rather than
3641         digging into PATTERN for items on the candidate list.
3642         (combine_reaching_defs): Likewise.
3644 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3646         PR rtl-optimization/46590
3647         * loop-invariant.c (find_defs): Move df_remove_problem and
3648         df_process_deferred_rescans to move_invariants.
3649         Move df_live_add_problem and df_live_set_all_dirty calls
3650         to move_invariants.
3651         (move_invariants): Likewise.
3652         (move_loop_invariants): Likewise, making the df_live calls
3653         conditional on -O.  Remove the problem again if we added it
3654         locally.
3656 2019-04-03  qing zhao  <qing.zhao@oracle.com>
3658         PR tree-optimization/89730
3659         * ipa-inline.c (can_inline_edge_p): Delete the checking for
3660         -flive-patching=inline-only-static.
3661         (can_inline_edge_by_limits_p): Add the checking for
3662         -flive-patching=inline-only-static and grant always_inline
3663         even when -flive-patching=inline-only-static is specified.
3665 2019-04-03  Jeff Law  <law@redhat.com>
3667         PR rtl-optimization/81025
3668         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
3670 2019-04-03  Richard Biener  <rguenther@suse.de>
3672         PR tree-optimization/84101
3673         * tree-vect-stmts.c: Include explow.h for hard_function_value,
3674         regs.h for hard_regno_nregs.
3675         (cfun_returns): New helper.
3676         (vect_model_store_cost): When vectorizing a store to a decl
3677         we return and the function ABI returns in a multi-reg location
3678         account for the possible spilling that will happen.
3680 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
3682         * config/s390/s390.c (s390_legitimate_address_p): Reject long
3683         displacement addresses for vector mode operands.
3685 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
3687         * config/arc/arc.c (GMASK_LEN): Define.
3688         (arc_restore_callee_saves): Restore first blink when
3689         !optimize_size.
3691 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
3693         * doc/extend.texi: Add deprecated comment on sign-return-address
3694         function attribute and add mbranch-protection.
3695         * doc/invoke.texi: Add bti to the options for mbranch-protection.
3697 2019-04-03  Richard Biener  <rguenther@suse.de>
3699         PR lto/89896
3700         * lto-wrapper.c (run_gcc): Avoid implicit rules making
3701         the all target phony.
3703 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
3705         PR target/89902
3706         PR target/89903
3707         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3708         Return false for variable DImode shifts.
3709         (dimode_scalar_chain::compute_convert_gain): Do not handle
3710         register count operand in variable DImode shifts.
3711         (dimode_scalar_chain::make_vector_copies): Remove support to copy
3712         count argument of a variable shift instruction to a vector register.
3713         (dimode_scalar_chain::convert_reg): Remove support to convert
3714         count argument of a variable shift instruction.
3716 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3718         PR rtl-optimization/84206
3719         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
3720         iterating over loop headers.
3722 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3724         PR rtl-optimization/85876
3725         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
3726         beyond the original fence.
3728 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
3730         * config.gcc: Mark spu* targets as deprecated/obsolete.
3732 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3734         * config/s390/s390-builtin-types.def: New builtin function type
3735         definitions. Remove unused types.
3736         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
3737         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
3738         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
3739         overloaded builtins.
3740         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
3741         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
3742         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
3743         (vec_double, vec_signed, vec_unsigned): Define to use the new
3744         overloaded builtins.
3745         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
3746         Remove expanders.
3748 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3750         * config/s390/s390-builtin-types.def: New builtin function type
3751         definitions.
3752         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
3753         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
3754         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
3755         (s390_vstrszh, s390_vstrszf): New low-level builtins.
3756         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
3757         constant definitions.
3758         * config/s390/vecintrin.h (vec_search_string_cc)
3759         (vec_search_string_until_zero_cc): New builtin name definitions.
3760         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
3761         expanders.
3762         ("vec_vstrs<mode>"): New insn definition.
3764 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3766         * config/s390/s390-builtin-types.def: Add new builtin function
3767         types.
3768         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
3769         New overloaded builtins.
3770         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
3771         s390_vsrd.
3772         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
3773         (UNSPEC_VEC_SLDBYTE): ... this.
3774         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
3775         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
3776         definitions.
3777         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
3778         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
3779         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
3781 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3783         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
3784         New insn definition.
3785         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
3786         * config/s390/vector.md (V_HW_HSD): ... here.
3788 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3790         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
3791         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
3792         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
3793         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
3794         New insn definitions.
3796 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3798         * config/s390/s390-builtin-types.def: Add new builtin function type.
3799         * config/s390/s390-builtins.def: Add overloaded builtin
3800         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
3801         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
3802         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
3803         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
3804         ("eltswap<mode>"): New expander.
3805         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
3806         insn definitions.
3808 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3810         * config/s390/s390-builtin-types.def: Add new builtin function types.
3811         * config/s390/s390-builtins.def: Add overloaded builtin
3812         s390_vec_revb. Add low-level builtins for vlbr and vstbr
3813         instructions.
3814         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
3815         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
3816         ("bswap<mode>"): New expander.
3817         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
3819 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3821         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
3822         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
3823         vector builtin version number in __VEC__.
3825 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3827         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
3828         iterators.
3829         (SFSI): New mode attribute.
3830         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
3831         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
3832         rename to ...
3833         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
3834         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
3835         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
3836         ("floatsi<mode>2"): Add wcefb instruction.
3838 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3840         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
3841         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
3842         mode iterators.
3843         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
3844         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
3845         support 32 bit fp-int conversions. Rename to ...
3846         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3847         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3848         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
3849         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
3850         ... to these.
3852 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3854         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
3855         if-then-else constructs if we can use the select instruction.
3856         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
3858 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3860         * config/s390/s390.md ("*popcountdi_arch13_cc")
3861         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
3862         definition.
3863         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
3864         Append _z196 to make it ...
3865         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
3866         ("popcounthi2_z196"): ... this.
3867         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
3868         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
3870 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3872         * config/s390/s390.c (s390_canonicalize_comparison): Convert
3873         certain compares for arch13 in order to make use of the condition
3874         code result produced by the new instructions.
3875         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
3876         nxrk, and nxgrk instruction patterns.
3877         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
3878         (inv_no): Add new code iterator together with some attributes.
3879         ("*andc_split_<mode>"): Disable splitter for arch13.
3880         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
3881         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
3882         ("*<ANDOR:bitops_name>c<GPR:mode>")
3883         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
3884         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
3885         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
3886         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
3888 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3890         * common/config/s390/s390-common.c (processor_flags_table): New
3891         entry for arch13.
3892         * config.gcc: Support arch13 with the --with-arch= configure flag.
3893         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3894         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
3895         * config/s390/s390.c (s390_get_sched_attrmask)
3896         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
3897         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
3898         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
3899         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
3900         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
3901         definitions.
3902         * config/s390/s390.opt: Support arch13 as processor type in
3903         command line options.
3905 2019-04-02  Martin Liska  <mliska@suse.cz>
3907         PR translation/89912
3908         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
3909         Fix param description of graphite-max-arrays-per-scop.
3911 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
3913         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
3914         (ASAN_CC1_SPEC): Use it in 64-bit mode.
3915         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
3917 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3919         PR rtl-optimization/85412
3920         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
3921         sel_sched_region_1, not after.
3923 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3925         PR rtl-optimization/86928
3926         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
3927         compute_live if necessary.
3928         (sel_redirect_edge_and_branch): Likewise.
3930 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
3932         PR rtl-optimization/89865
3933         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
3934         register if it is a part of small class.
3936 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3938         PR rtl-optimization/87273
3939         * sel-sched-ir.c (merge_fences): Remove assert.
3941 2019-04-01  Richard Biener  <rguenther@suse.de>
3943         PR tree-optimization/46590
3944         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
3945         (dom_walker::m_reachability): Add in place of...
3946         (dom_walker::m_skip_unreachable_blocks): ...this.
3947         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
3948         Move complex initialization ...
3949         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
3950         lazily and initialize edge flags on each invocation.
3951         (dom_walker::bb_reachable): Use m_reachability.
3953 2019-04-01  Martin Liska  <mliska@suse.cz>
3955         PR driver/89861
3956         * opt-suggestions.c (option_proposer::build_option_suggestions):
3957         Add variant without any argument in order to provide better
3958         hints.
3960 2019-04-01  Richard Biener  <rguenther@suse.de>
3962         PR c/71598
3963         * gimple.c: Include langhooks.h.
3964         (gimple_get_alias_set): Treat enumeral types as the underlying
3965         integer type.
3967 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3968             Eric Botcazou  <ebotcazou@adacore.com>
3970         PR rtl-optimization/89862
3971         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
3972         that operates on the full registers for WORD_REGISTER_OPERATIONS
3973         architectures.
3975 2019-03-29  Jim Wilson  <jimw@sifive.com>
3977         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
3978         Clear MASK_RVC and then set if C subset supported.
3980 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3982         PR c/89872
3983         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
3984         non-addressable complit into its initializer if it is volatile.
3986 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
3988         * opts-common.c (integral_argument): Set errno properly in one case.
3990 2019-03-29  Martin Liska  <mliska@suse.cz>
3992         * doc/invoke.texi: Remove -Wchkp from documentation.
3994 2019-03-29  Martin Liska  <mliska@suse.cz>
3996         * dbgcnt.c (print_limit_reach): New function.
3997         (dbg_cnt): Use it.
3999 2019-03-29  Martin Liska  <mliska@suse.cz>
4001         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4002         (dbg_cnt_process_opt): Parse first tokens aas
4003         dbg_cnt_process_single_pair is also using strtok.
4005 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4007         PR rtl-optimization/87485
4008         * function.c (expand_function_end): Move stack_protect_epilogue
4009         before loading of return value into hard register(s).
4011 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4013         PR middle-end/89621
4014         * tree-inline.h (struct copy_body_data): Add
4015         dont_remap_vla_if_no_change flag.
4016         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4017         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4018         and remap_type_2 returns false.
4019         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4020         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4021         only from where it is copied to nested contexts.
4023 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4025         PR target/89865
4026         * config/i386/i386.md (RMW operation with LEA peephole):
4027         Use LEAMODE mode attribute instead of SWI mode iterator for
4028         LEA pattern.
4030 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4032         PR target/89848
4033         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4034         Also process XEXP (src, 0) of a shift insn.
4036 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4038         PR middle-end/89725
4039         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4040         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4042 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4044         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4045         test.
4046         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4047         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4048         immediately after first one with df_analyze in between, but rather
4049         process all bbs, queueing ones that need second pass in a worklist,
4050         df_analyze, process queued debug insn changes and if second pass is
4051         needed, process bbs from worklist, df_analyze, process queued debug
4052         insns again.
4054         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4055         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4056         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4058 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4060         PR c/79022
4061         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4062         definition.
4064 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4066         PR target/85667
4067         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4068         function for 32-bit MS_ABI.
4069         (function_value_ms_32): New function.
4071 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4073         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4074         (movdi): Call gen_movdi_symbol_save_scc.
4075         (gen_movdi_symbol_save_scc): New insn and split.
4077 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4079         PR rtl-optimization/89313
4080         * function.c (matching_constraint_num): New static function.
4081         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4082         Don't replace inputs with non-matching constraints which conflict
4083         with early clobber outputs.
4085 2019-03-27  Jeff Law  <law@redhat.com>
4088         PR rtl-optimization/87761
4089         PR rtl-optimization/89826
4090         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4091         slightly later.
4092         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4093         note problem to get REG_DEAD/REG_UNUSED notes updated.
4095 2019-03-27  Richard Biener  <rguenther@suse.de>
4097         PR tree-optimization/89463
4098         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4099         queue edges to remove.
4100         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4101         dead stmts.  Delay edge removal until PHIs are removed to
4102         make debug-stmt creation not confused by seemingly degenerate
4103         PHIs.
4105 2019-03-27  Alan Modra  <amodra@gmail.com>
4107         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4108         throughout file.
4109         * config/rs6000/darwin.h: Likewise.
4110         * config/rs6000/rs6000.c: Likewise.
4112 2019-03-27  Alan Modra  <amodra@gmail.com>
4114         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4115         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4117 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4118             Jim Wilson  <jimw@sifive.com>
4120         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4121         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4122         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4123         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4124         (generic_alu): Add auipc to type list.
4125         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4126         (riscv_microarchitecture): Declare.
4127         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4128         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4129         field.
4130         (riscv_microarchitecture): New.
4131         (sifive_7_tune_info): New.
4132         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4133         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4134         entries.
4135         (riscv_store_data_bypass_p): New.
4136         (riscv_option_override): Set riscv_microarchitecture from
4137         cpu->microarchitecture.
4138         * config/riscv/riscv.md: Include sifive-7.md.
4139         (type): Add auipc.
4140         (tune): New.
4141         (auipc<mode>): Change type to auipc.
4142         (restore_stack_nonlocal): New.
4143         * config/riscv/sifive-7.md: New.
4144         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4146 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4148         PR target/89827
4149         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4150         Also process XEXP (src, 0) of a shift insn.
4152 2019-03-26  Richard Biener  <rguenther@suse.de>
4154         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4155         (copy_debug_stmt): Likewise.
4156         (expand_call_inline): Likewise.
4157         (copy_bb): Avoid redundant lookup & set of gimple_block.
4158         * gimple-low.c (lower_gimple_return): Likewise.
4159         (lower_builtin_setjmp): Likewise.
4161 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4163         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4164         is constant 0, turn into static const data member initialized to false.
4165         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4166         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4168 2019-03-26  Jason Merrill  <jason@redhat.com>
4169             Jakub Jelinek  <jakub@redhat.com>
4171         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4172         method.
4173         (mem_alloc_description::release_object_overhead): Fix comment typos.
4174         * hash-table.h (hash_table::~hash_table): Call
4175         release_instance_overhead only if m_entries is non-NULL, otherwise
4176         call unregister_descriptor.
4178 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4180         PR tree-optimization/81740
4181         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4182         In case of outer loop vectorization, check for backward dependence
4183         at the inner loop if outer loop dependence is reversed.
4185 2019-03-26  Alan Modra  <amodra@gmail.com>
4187         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4188         rs6000_vector_mem init.  Correct wI and wJ comment.
4190 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
4192         PR rtl-optimization/88347
4193         PR rtl-optimization/88423
4194         * sched-deps.c (sched_analyze_insn): Take into account that for
4195         tablejumps the barrier appears after a label and a jump_table_data.
4197 2019-03-25  Martin Sebor  <msebor@redhat.com>
4199         PR c/89812
4200         * c-common.c (check_user_alignment): Rename local.  Correct maximum
4201         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
4202         convert it to UHWI when it fits.
4204 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
4206         PR debug/86964
4207         * dwarf2out.c (premark_used_variables): New function.
4208         (prune_unused_types_walk): Do not mark not premarked external
4209         variables.
4210         (prune_unused_types): Call premark_used_variables.
4212 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
4214         PR rtl-optimization/89676
4215         * lra-constraints.c (curr_insn_transform): Do match reload for
4216         early clobbers when the match was successful only for different
4217         registers.
4219 2019-03-25  Martin Sebor  <msebor@redhat.com>
4221         * doc/extend.texi (Common Type Attributes): Document vector_size.
4222         (Common Variable Attributes): Mention size constraint.  Correct
4223         quoting and typos.
4224         (Vector Extensions): Use @dfn when defining bas type.  Clarify
4225         base type and size constraints.
4227 2019-03-25  Richard Biener  <rguenther@suse.de>
4229         PR tree-optimization/89789
4230         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4231         changes from non-undefined back to undefined.
4233 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
4235         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4236         heap string and a gc string, but since this variable is unknown to
4237         ggc the gc string might get reused and corrupted. Fixed by always
4238         using a heap string.
4240 2019-03-25  Richard Biener  <rguenther@suse.de>
4242         PR tree-optimization/89779
4243         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4244         to remove IV defs, delay actual removal.
4245         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
4246         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4247         very end, properly also reset loop control IV information.
4249 2019-03-25  Richard Biener  <rguenther@suse.de>
4251         PR tree-optimization/89802
4252         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4253         move EH data to folded stmt.
4255 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4257         * config/s390/s390-builtin-types.def: Remove few unused types and
4258         fix sort order for others.
4260 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4262         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4263         expected and found types with -mdebug during builtin matching.
4265 2019-03-25  Richard Biener  <rguenther@suse.de>
4267         PR middle-end/89790
4268         * fold-const.c (operand_equal_p): Revert last change with
4269         updated comment.
4271 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
4273         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4274         notes for the result of the __tls_get_addr calls.
4275         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4277 2019-03-24  Jeff Law  <law@redhat.com>
4279         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4281         PR rtl-optimization/87761
4282         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4283         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
4284         as needed.
4285         (pass_cprop_hardreg::execute): Add df note problem and defer insn
4286         rescans.  Reprocess blocks as needed, calling df_analyze before
4287         reprocessing.  Always call df_analyze before fixing up debug bind
4288         insns.
4290 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
4292         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4293         big endian.
4295 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4297         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4298         attrribute for uxtw.
4300 2019-03-26  Jeff Law  <law@redhat.com>
4302         PR rtl-optimization/87761
4303         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4304         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4305         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4306         into the next instruction.
4307         (mips_split_move_insn): Pass INSN through to mips_split_move.
4309 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4311         PR rtl-optimization/89676
4312         * lra-constraints.c (curr_insn_transform): Do match reload for
4313         early clobbers even if the match was successful.
4315 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4317         PR c++/87481
4318         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4320 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4322         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4324 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4326         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4327         <avx512>_fmsub_<mode>_mask3<round_name>,
4328         <avx512>_fnmadd_<mode>_mask3<round_name>,
4329         <avx512>_fnmsub_<mode>_mask3<round_name>,
4330         avx512f_vmfmadd_<mode>_mask3<round_name>,
4331         avx512f_vmfmsub_<mode>_mask3<round_name>,
4332         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4333         instead of register_operand and %v instead of v for match_operand 1.
4334         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4335         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4336         <round_nimm_predicate> instead of register_operand and %v instead of v
4337         for match_operand 1.
4339         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4340         <avx512>_fmadd_<mode>_mask3<round_name>,
4341         <avx512>_fmsub_<mode>_mask<round_name>,
4342         <avx512>_fmsub_<mode>_mask3<round_name>,
4343         <avx512>_fnmadd_<mode>_mask<round_name>,
4344         <avx512>_fnmadd_<mode>_mask3<round_name>,
4345         <avx512>_fnmsub_<mode>_mask<round_name>,
4346         <avx512>_fnmsub_<mode>_mask3<round_name>,
4347         <avx512>_fmaddsub_<mode>_mask<round_name>,
4348         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4349         <avx512>_fmsubadd_<mode>_mask<round_name>,
4350         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4351         <round_nimm_predicate> instead of nonimmediate_operand.
4352         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4353         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4354         Use register_operand instead of <round_nimm_predicate> for the
4355         operand that needs to match output.
4356         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4357         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4358         Likewise.  Formatting fixes.
4360         PR target/89784
4361         * config/i386/i386.c (enum ix86_builtins): Remove
4362         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4363         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4364         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4365         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4366         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4367         __builtin_ia32_vfmsubss3_mask3): New builtins.
4368         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4369         avx512f_vmfmadd_<mode>_mask3<round_name>,
4370         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4371         *avx512f_vmfmsub_<mode>_mask<round_name>,
4372         avx512f_vmfmsub_<mode>_mask3<round_name>,
4373         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4374         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4375         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4376         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4377         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4378         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4379         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4380         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4381         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4382         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4383         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4384         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4385         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4386         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4387         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4388         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4389         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4390         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4391         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4392         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4393         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4394         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4395         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4396         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4397         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4398         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4399         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4400         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4402 2019-03-21  Martin Sebor  <msebor@redhat.com>
4404         PR tree-optimization/89350
4405         * builtins.c (compute_objsize): Also ignore offsets whose upper
4406         bound is negative.
4407         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4408         (builtin_memref::builtin_memref): Initialize new member.
4409         Allow EXPR to be null.
4410         (builtin_memref::extend_offset_range): Replace local with a member.
4411         Avoid assuming pointer offsets are unsigned.
4412         (builtin_memref::set_base_and_offset): Determine base object
4413         before computing offset range.
4414         (builtin_access::builtin_access): Handle memset.
4415         (builtin_access::generic_overlap): Replace local with a member.
4416         (builtin_access::strcat_overlap): Same.
4417         (builtin_access::overlap): Same.
4418         (maybe_diag_overlap): Same.
4419         (maybe_diag_access_bounds): Same.
4420         (wrestrict_dom_walker::check_call): Handle memset.
4421         (check_bounds_or_overlap): Same.
4423 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4424             Jakub Jelinek  <jakub@redhat.com>
4426         PR lto/89692
4427         * tree.c (fld_type_variant, fld_incomplete_type_of,
4428         fld_process_array_type): Call fld->pset.add and don't call
4429         add_tree_to_fld_list if it returns true.
4430         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4431         non-marked types from TYPE_NEXT_VARIANT list.
4432         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4434 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4436         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4437         to false, if true, don't alloc_entries during construction, but defer
4438         it to the first method that needs m_entries allocated.
4439         (hash_table::hash_table, hash_table::~hash_table,
4440         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4441         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4442         hash_table::clear_slot, hash_table::traverse_noresize,
4443         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4444         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4445         false.
4446         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4447         NO_INSERT instead of find_with_hash.
4448         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4449         hash_set::m_table): Add Lazy to template params of hash_table.
4450         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4451         * attribs.c (test_attribute_exclusions): Likewise.
4452         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4453         hash_set.  Add tests for hash_set with Lazy = true.
4455 2019-03-21  Richard Biener  <rguenther@suse.de>
4457         PR tree-optimization/89779
4458         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4459         checks with respect to released SSA names now having error_mark_node
4460         type.
4461         * fold-const.c (operand_equal_p): Likewise.
4463 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4465         PR target/89775
4466         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4467         available to ...
4468         (s390_optimize_register_info): Use global_not_special_regno_p to
4469         check for global regs.
4471 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4473         PR target/89752
4474         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4475         update this_alternative nor this_alternative_set.
4477 2019-03-19  Jim Wilson  <jimw@sifive.com>
4479         PR target/89411
4480         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4481         align, size, offset.  Use them to handle a BLKmode reference.  Update
4482         comment.
4483         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4485 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4487         PR rtl-optimization/89768
4488         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4489         instead of GEN_INT.
4490         (unroll_loop_runtime_iterations): Likewise.
4492 2019-03-19  Martin Sebor  <msebor@redhat.com>
4494         PR tree-optimization/89644
4495         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4496         rather than endptr as an indicator of nul-termination.
4498         PR tree-optimization/89644
4499         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4500         arrays in determining sequence sizes in strncpy and stpncpy.
4502 2019-03-19  Martin Liska  <mliska@suse.cz>
4504         PR middle-end/89737
4505         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4506         unlikely_edges if there's an edge that belongs to both these sets.
4508 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4510         PR target/89746
4511         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4512         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4513         go via a stack temporary.
4515 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4517         PR target/89378
4518         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4519         instead of gen_rtx_SUBREG.
4520         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4522 2019-03-19  Richard Biener  <rguenther@suse.de>
4524         PR debug/88389
4525         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4527 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4529         PR lto/87809
4530         PR lto/89335
4531         * tree.c (free_lang_data_in_decl): Do not free context of C++
4532         destrutors.
4534 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4536         PR target/89506
4537         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4538         subs for the first alternative except when operands[3] is 1.
4540         PR target/89752
4541         * gimplify.c (gimplify_asm_expr): For output argument with
4542         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4543         diagnose error.
4545 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4547         PR rtl-optimization/89753
4548         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4549         explicit unrolling factor even more robust.
4551 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4553         PR target/89726
4554         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4555         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4556         signed zeros, do another copysign after the compensation.
4558 2019-03-18  Martin Sebor  <msebor@redhat.com>
4560         PR tree-optimization/89720
4561         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4562         more conservatively, the same as anti-range.
4564 2019-03-18  Richard Biener  <rguenther@suse.de>
4566         PR middle-end/88945
4567         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4568         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4569         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4570         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4572 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4574         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4575         Extend queue to 1024 entries.
4576         Add "consumed" field.
4577         (gomp_print_output): Remove print_index parameter.
4578         Add final parameter.
4579         Change limit to unsigned.
4580         Use consumed field to implement circular buffer.
4581         Detect interrupted print in final pass.
4582         Flush output at the end.
4583         (run): Update gomp_print_output usage.
4584         (main): Initialize kernargs->output_data.consumed.
4586 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4588         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4589         calculation of the minimum number of scalar iterations for
4590         fully-predicated loops.
4592 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4594         PR tree-optimization/89546
4595         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4596         any propagation to its children took place.
4598 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4600         PR target/89627
4601         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4602         parameter, and make use of it.
4603         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4605 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4607         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4608         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4609         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4610         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4611         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4612         match what the ops is doing.
4613         (push_multi_fp_blink): Likewise.
4614         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4615         compiling for size and elf target.
4616         (arc_save_callee_enter): Adjust note to match what enter/leave
4617         operation does.
4619 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4621         * config/arc/arc.md (tst_movb): Fix constraint.
4623 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4625         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4627 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4629         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4630         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4631         reg_alloc_order references.
4632         (size_alloc_order): Define.
4633         (arc_adjust_reg_alloc_order): New function.
4634         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4635         order.
4636         (ADJUST_REG_ALLOC_ORDER): Define.
4637         (HONOR_REG_ALLOC_ORDER): Likewise.
4639 2019-03-18  Richard Biener  <rguenther@suse.de>
4641         PR target/87561
4642         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4643         loads and stores a bit more.
4645 2019-03-18  Richard Biener  <rguenther@suse.de>
4647         PR target/87561
4648         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4649         load pessimization to stores as well.
4651 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
4653         PR middle-end/86979
4654         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
4655         successor, use NULL as its av set.
4657 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4659         PR rtl-optimization/89721
4660         * lra-constraints (invariant_p): Return false if side_effects_p holds.
4662 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4664         PR target/87532
4665         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4666         When handling vec_extract, use modular arithmetic to allow
4667         constant selectors greater than vector length.
4668         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
4669         V1TImode vectors to have constant selector values greater than 0.
4670         Use modular arithmetic to compute vector index.
4671         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
4672         index for in-memory vectors.  Correct code generation for
4673         in-register vectors.
4674         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
4675         compute index.
4677 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
4679         PR c++/88534
4680         PR c++/88537
4681         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
4682         VAR_DECL args.
4684 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
4686         PR c++/89709
4687         * tree.c (inchash::add_expr): Strip any location wrappers.
4688         * fold-const.c (operand_equal_p): Move stripping of location wrapper
4689         after hash verification.
4691         PR debug/89704
4692         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
4693         SIGN_EXTEND and ZERO_EXTEND.
4695 2019-03-14  Jason Merrill  <jason@redhat.com>
4696             Jakub Jelinek  <jakub@redhat.com>
4698         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
4699         than if is_empty (*slot).
4700         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
4701         existing elt and for elt removal.
4702         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
4703         of already removed elt.
4705 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
4707         PR target/89650
4708         * config/i386/i386.c (remove_partial_avx_dependency): Handle
4709         REG_EH_REGION note.
4711 2019-03-14  Martin Liska  <mliska@suse.cz>
4713         PR other/89712
4714         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
4716 2019-03-14  Richard Biener  <rguenther@suse.de>
4718         PR target/89711
4719         * config/i386/i386.c (make_resolver_func): Properly set
4720         DECL_CONTEXT on the RESULT_DECL.
4721         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
4723 2019-03-14  Richard Biener  <rguenther@suse.de>
4725         * gimple-pretty-print.c: Include cfgloop.h.
4726         (dump_gimple_phi): Adjust.
4727         (dump_gimple_bb_header): Dump loop header for GIMPLE.
4728         (pp_cfg_jump): Adjust.
4729         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
4730         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
4731         (lower_phi_internal_fn): Remove.
4732         (verify_gimple_call): Remove IFN_PHI special-casing.
4733         (dump_function_to_file): Dump IL state.
4734         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
4735         done to deal with PHI nodes being present in non-SSA state.
4737 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4739         PR ipa/89684
4740         * multiple_target.c (create_dispatcher_calls): Change
4741         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
4742         In the node->iterate_referring loop, push *ref rather than ref, call
4743         ref->remove_reference () and always pass 0 to iterate_referring.
4745         PR rtl-optimization/89679
4746         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
4747         would contain a paradoxical SUBREG.
4749 2019-03-14  Richard Biener  <rguenther@suse.de>
4751         PR tree-optimization/89710
4752         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
4753         safe_dyn_cast.
4755 2019-03-14  Martin Liska  <mliska@suse.cz>
4757         * coverage.c (coverage_begin_function): Stream also
4758         end_column.
4759         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
4760         documentation about function declaration location.
4761         * gcov-dump.c (tag_function): Print whole range
4762         of function declaration.
4763         * gcov.c (struct function_info): Add end_column field.
4764         (function_info::function_info): Initialize it.
4765         (output_json_intermediate_file): Output {start,end}_column
4766         fields.
4767         (read_graph_file): Read end_column.
4769 2019-03-14  Richard Biener  <rguenther@suse.de>
4771         PR middle-end/89698
4772         * fold-const.c (operand_equal_p): For INDIRECT_REF check
4773         that the access types are similar.
4775 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4777         PR tree-optimization/89703
4778         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
4779         aren't compatible also with builtin_decl_explicit.  Check pure
4780         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
4781         and BUILT_IN_STPNCPY{,_CHK}.
4783 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
4785         PR target/89523
4786         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
4787         addr32 prefix to VSIB address for X32.
4788         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
4789         "%M2" to opcode.
4790         (*avx512pf_gatherpf<mode>df_mask): Likewise.
4791         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
4792         (*avx512pf_scatterpf<mode>df_mask): Likewise.
4793         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
4794         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
4795         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
4796         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
4797         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
4798         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
4799         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
4800         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
4801         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
4802         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
4803         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
4804         (*avx512f_scatterdi<mode>): Likewise.
4806 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
4808         PR target/85860
4809         * lra-constraints.c (inherit_in_ebb): Update
4810         potential_reload_hard_regs along with live_hard_regs.
4812 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4814         PR debug/89498
4815         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
4816         DWARF_OFFSET_SIZE.
4817         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
4819 2019-03-13  Martin Sebor  <msebor@redhat.com>
4821         PR tree-optimization/89662
4822         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
4823         has a size.
4825 2019-03-13  Richard Biener  <rguenther@suse.de>
4827         PR middle-end/89677
4828         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
4829         throw FP expressions at tree-affine.
4831 2019-03-14  Richard Biener  <rguenther@suse.de>
4833         * tree-pretty-print.c (dump_generic_node): For -gimple properly
4834         dump negative integer constants using _Literal (type) -num.
4836 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4838         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
4839         nonlocal_value member.
4841         PR middle-end/88588
4842         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
4843         (ipa_simd_modify_function_body): Handle PHIs.
4845 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4847         * config/s390/s390.c (s390_option_override_internal): Use more
4848         aggressive inlining parameters.
4850 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4852         * config/s390/3906.md: New file.
4853         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4854         (LONGRUNNING_THRESHOLD): Remove.
4855         (MAX_SCHED_MIX_SCORE): Decrease.
4856         (MAX_SCHED_MIX_DISTANCE): Decrease.
4857         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
4858         (struct s390_sched_state): New struct to hold scheduling state.
4859         (S390_SCHED_STATE_NORMAL): Remove.
4860         (S390_SCHED_STATE_CRACKED): Remove.
4861         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
4862         (s390_get_sched_attrmask): Use new attribute.
4863         (s390_get_unit_mask): Use new units.
4864         (s390_is_fpd): New function.
4865         (s390_is_fxd): New function.
4866         (s390_is_longrunning): New function.
4867         (s390_sched_score): Use new functions.
4868         (s390_sched_reorder): Likewise.
4869         (s390_sched_variable_issue): Rework and use new functions.
4870         (s390_sched_init): Use new functions.
4871         * config/s390/s390.h (s390_tune_attr):  Add z14.
4872         * config/s390/s390.md: Add z14.
4874 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4876         * config/s390/2964.md: Update pipeline description.
4877         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4878         (LONGRUNNING_THRESHOLD): Remove.
4879         (LATENCY_FACTOR): Remove.
4880         (s390_get_unit_mask): Add unit.
4881         (s390_sched_score): Use fxd/fpd.
4882         (s390_sched_variable_issue): Use fxd/fpd.
4884 2019-03-12  Martin Liska  <mliska@suse.cz>
4886         * config/i386/i386.c: Reword an error message.
4888 2019-03-12  Martin Jambor  <mjambor@suse.cz>
4890         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
4891         terminate with newline.
4893 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
4895         PR target/52726
4896         * config/s390/s390.md (tabort): Use %wd instead of
4897         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
4898         letters and periods.
4899         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
4900         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
4901         's with %< and %>.
4903         PR middle-end/89663
4904         * builtins.c (expand_builtin_int_roundingfn,
4905         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
4906         gcc_unreachable if validate_arglist fails.
4908 2019-03-12  Richard Biener  <rguenther@suse.de>
4910         PR tree-optimization/89664
4911         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
4912         free the occurance tree after the early out.
4914 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
4916         PR middle-end/89655
4917         PR bootstrap/89656
4918         * vr-values.c (vr_values::update_value_range): If
4919         old_vr->varying_p (), don't update it, make new_vr also VARYING
4920         and return false.
4922 2019-03-11  Martin Liska  <mliska@suse.cz>
4924         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4925         Fix double string quoting.
4927 2019-03-11  Martin Liska  <mliska@suse.cz>
4929         * collect-utils.c (collect_wait): Wrap apostrophes
4930         in gcc internal format with %'.
4931         * collect2.c (main): Likewise.
4932         (scan_prog_file): Likewise.
4933         (scan_libraries): Likewise.
4934         * config/i386/i386.c (ix86_expand_call): Likewise.
4935         (ix86_handle_interrupt_attribute): Likewise.
4936         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
4937         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
4938         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
4939         * lto-wrapper.c (find_crtoffloadtable): Likewise.
4940         * symtab.c (symtab_node::verify_base): Likewise.
4941         * tree-cfg.c (verify_gimple_label): Likewise.
4942         * tree.c (verify_type_variant): Likewise.
4944 2019-03-11  Martin Liska  <mliska@suse.cz>
4946         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
4947         in a string format message and fix GNU coding style.
4948         (expand_builtin_set_thread_pointer): Likewise.
4949         * common/config/aarch64/aarch64-common.c
4950         (aarch64_rewrite_selected_cpu): Likewise.
4951         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
4952         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
4953         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
4954         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
4955         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
4956         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
4957         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
4958         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
4959         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
4960         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
4961         Likewise.
4962         * common/config/riscv/riscv-common.c
4963         (riscv_subset_list::parsing_subset_version): Likewise.
4964         (riscv_subset_list::parse_std_ext): Likewise.
4965         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4966         (riscv_subset_list::parse): Likewise.
4967         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
4968         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
4969         (aarch64_override_options_internal): Likewise.
4970         (aarch64_validate_mcpu): Likewise.
4971         (aarch64_validate_march): Likewise.
4972         (aarch64_validate_mtune): Likewise.
4973         (aarch64_override_options): Likewise.
4974         * config/alpha/alpha.c (alpha_option_override): Likewise.
4975         * config/arc/arc.c (arc_init): Likewise.
4976         (parse_mrgf_banked_regs_option): Likewise.
4977         (arc_override_options): Likewise.
4978         (arc_expand_builtin_aligned): Likewise.
4979         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
4980         (arm_expand_builtin): Likewise.
4981         * config/arm/arm.c (arm_option_check_internal): Likewise.
4982         (arm_configure_build_target): Likewise.
4983         (arm_option_override): Likewise.
4984         (arm_options_perform_arch_sanity_checks): Likewise.
4985         (arm_handle_cmse_nonsecure_entry): Likewise.
4986         (arm_handle_cmse_nonsecure_call): Likewise.
4987         (arm_tls_referenced_p): Likewise.
4988         (thumb1_expand_prologue): Likewise.
4989         * config/avr/avr.c (avr_option_override): Likewise.
4990         * config/bfin/bfin.c (bfin_option_override): Likewise.
4991         * config/c6x/c6x.c (c6x_option_override): Likewise.
4992         * config/cr16/cr16.c (cr16_override_options): Likewise.
4993         * config/cris/cris.c (cris_option_override): Likewise.
4994         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
4995         * config/darwin-c.c (macosx_version_as_macro): Likewise.
4996         * config/darwin.c (darwin_override_options): Likewise.
4997         * config/frv/frv.c (frv_expand_builtin): Likewise.
4998         * config/h8300/h8300.c (h8300_option_override): Likewise.
4999         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5000         (ix86_option_override_internal): Likewise.
5001         (warn_once_call_ms2sysv_xlogues): Likewise.
5002         (ix86_expand_prologue): Likewise.
5003         (split_stack_prologue_scratch_regno): Likewise.
5004         (ix86_warn_parameter_passing_abi): Likewise.
5005         * config/ia64/ia64.c (fix_range): Likewise.
5006         * config/m68k/m68k.c (m68k_option_override): Likewise.
5007         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5008         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5009         (mips_set_compression_mode): Likewise.
5010         * config/mmix/mmix.c (mmix_option_override): Likewise.
5011         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5012         * config/msp430/msp430.c (msp430_option_override): Likewise.
5013         * config/nds32/nds32.c (nds32_option_override): Likewise.
5014         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5015         (nios2_option_override): Likewise.
5016         (nios2_expand_custom_builtin): Likewise.
5017         * config/nvptx/mkoffload.c (main): Likewise.
5018         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5019         * config/pa/pa.c (fix_range): Likewise.
5020         (pa_option_override): Likewise.
5021         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5022         (riscv_option_override): Likewise.
5023         * config/rl78/rl78.c (rl78_option_override): Likewise.
5024         * config/rs6000/aix61.h: Likewise.
5025         * config/rs6000/aix71.h: Likewise.
5026         * config/rs6000/aix72.h: Likewise.
5027         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5028         * config/rs6000/freebsd64.h: Likewise.
5029         * config/rs6000/linux64.h: Likewise.
5030         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5031         (rs6000_expand_zeroop_builtin): Likewise.
5032         (rs6000_expand_mtfsb_builtin): Likewise.
5033         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5034         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5035         (rs6000_invalid_builtin): Likewise.
5036         (rs6000_expand_split_stack_prologue): Likewise.
5037         * config/rs6000/rtems.h: Likewise.
5038         * config/rx/rx.c (valid_psw_flag): Likewise.
5039         (rx_expand_builtin): Likewise.
5040         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5041         * config/s390/s390.c (s390_expand_builtin): Likewise.
5042         (s390_function_profiler): Likewise.
5043         (s390_option_override_internal): Likewise.
5044         (s390_option_override): Likewise.
5045         * config/sh/sh.c (sh_option_override): Likewise.
5046         (sh_builtin_saveregs): Likewise.
5047         (sh_fix_range): Likewise.
5048         * config/sh/vxworks.h: Likewise.
5049         * config/sparc/sparc.c (sparc_option_override): Likewise.
5050         * config/spu/spu.c (spu_option_override): Likewise.
5051         (fix_range): Likewise.
5052         * config/visium/visium.c (visium_option_override): Likewise.
5053         (visium_handle_interrupt_attr): Likewise.
5054         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5055         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5056         (dbg_cnt_process_opt): Likewise.
5057         * dwarf2out.c (output_dwarf_version): Likewise.
5058         * except.c (expand_eh_return): Likewise.
5059         * gcc.c (defined): Likewise.
5060         (driver_handle_option): Likewise.
5061         (process_command): Likewise.
5062         (compare_files): Likewise.
5063         (driver::prepare_infiles): Likewise.
5064         (driver::do_spec_on_infiles): Likewise.
5065         (driver::maybe_run_linker): Likewise.
5066         * omp-offload.c (oacc_parse_default_dims): Likewise.
5067         * opts-global.c (handle_common_deferred_options): Likewise.
5068         * opts.c (parse_sanitizer_options): Likewise.
5069         (common_handle_option): Likewise.
5070         (enable_warning_as_error): Likewise.
5071         * passes.c (enable_disable_pass): Likewise.
5072         * plugin.c (parse_plugin_arg_opt): Likewise.
5073         (default_plugin_dir_name): Likewise.
5074         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5075         (default_pch_valid_p): Likewise.
5076         * toplev.c (init_asm_output): Likewise.
5077         (process_options): Likewise.
5078         (toplev::run_self_tests): Likewise.
5079         * tree-cfg.c (verify_gimple_call): Likewise.
5080         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5081         (tree_inlinable_function_p): Likewise.
5082         * var-tracking.c (vt_find_locations): Likewise.
5084 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5086         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5087         only on the else branch.
5089 2019-03-11  Martin Liska  <mliska@suse.cz>
5091         * gcov.c (output_intermediate_json_line): Print function
5092         name of each line.
5093         (output_json_intermediate_file): Add new argument.
5094         * doc/gcov.texi: Document the change.
5096 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5098         PR rtl-optimization/89588
5099         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5100         explicit unrolling factor more robust.
5102 2019-03-11  Richard Biener  <rguenther@suse.de>
5104         PR tree-optimization/89649
5105         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5106         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5107         on the prolog and epilog loops.
5108         (vect_loop_versioning): Return copy of loop.
5109         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5110         on the non-vectorized version of the loop.
5112 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5114         PR target/68924
5115         * config/i386/sse.md (*vec_extractv2di_0_sse):
5116         Add (=r,x) alternative and corresponding splitter.
5118 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5120         PR tree-optimization/85762
5121         PR tree-optimization/87008
5122         PR tree-optimization/85459
5123         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5124         it points to if there is a type changing MEM_REF.  Adjust all callers.
5125         (build_accesses_from_assign): Disable total scalarization if
5126         contains_vce_or_bfcref_p returns true through the new parameter, for
5127         both rhs and lhs.
5129 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5131         PR c/88568
5132         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5133         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5135         PR target/79645
5136         * common.opt (fdiagnostics-show-labels,
5137         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5138         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5139         gas-locview-support, ginline-points, ginternal-reset-location-views):
5140         Terminate description text with a dot.
5141         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5142         * config/mcore/mcore.opt (m210, m340): Likewise.
5143         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5144         mnops=): Start description text with a capital letter.
5145         * config/arc/arc.opt (msize-level=): Likewise.
5146         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5147         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5148         mnewlib): Likewise.
5149         * config/ft32/ft32.opt (msim): Likewise.
5150         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5151         (mnodiv, mnopm): Terminate description text with a dot.
5152         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5153         a colon.
5154         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5155         Likewise.
5156         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5157         text.
5159         PR rtl-optimization/89634
5160         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5161         are modified in BB_END (e->src) instruction.
5163 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5165         PR target/79926
5166         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5167         messages more amenable to translation, and improve wording.
5169 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5171         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5172         ud- and du-chains between phases.
5174 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5176         PR debug/89631
5177         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5178         instead of POLY_INT_CST.
5180 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5182         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5183         requirement.
5185 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
5187         PR target/68924
5188         PR target/78782
5189         PR target/87558
5190         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5191         (_mm_storeu_si64): Ditto.
5193 2019-03-08  Martin Liska  <mliska@suse.cz>
5195         PR target/86952
5196         * config/i386/i386.c (ix86_option_override_internal): Disable
5197         jump tables when retpolines are used.
5199 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
5201         PR go/63560
5202         * ipa-split.c (execute_split_functions): Do not split
5203         'noinline' or 'section' function.
5205 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5207         PR target/79846
5208         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5209         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5210         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
5212         PR ipa/80000
5213         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5214         from diagnostics.  Formatting fixes.
5216         PR target/85665
5217         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5218         warn_odr diagnostics.
5220         PR other/80058
5221         * lra-constraints.c (process_alt_operands): Avoid one space before
5222         " at the end of line and another after " on another line in a string
5223         literal.
5224         * attribs.c (handle_dll_attribute): Likewise.
5225         * config/avr/avr-devices.c (avr_texinfo): Likewise.
5227         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5228         warning_at or inform messages in G_() if there is no ?:.
5230         PR tree-optimization/89550
5231         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5232         returned true.  Formatting fixes.
5233         (expand_builtin_strnlen): Formatting fixes.
5234         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5235         if warning_at returned true.
5236         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5238 2019-03-08  Richard Biener  <rguenther@suse.de>
5240         PR middle-end/89578
5241         * cfgloop.h (struct loop): Add owned_clique field.
5242         * cfgloopmanip.c (copy_loop_info): Copy it.
5243         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5244         cliques.
5245         * tree-inline.c (copy_loops): Remap owned_clique.
5246         * lto-streamer-in.c (input_cfg): Stream owned_clique.
5247         * lto-streamer-out.c (output_cfg): Likewise.
5249 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5251         PR target/80190
5252         * config/darwin.c: Include intl.h.
5253         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5254         composing the message out of two separate parts.
5256 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5258         PR target/80003
5259         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5260         doesn't start with a capital letter and doesn't end with a dot.
5261         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5262         with a capital letter.
5263         (ix86_mangle_function_version_assembler_name): Likewise.
5264         (ix86_generate_version_dispatcher_body): Likewise.
5265         (fold_builtin_cpu): Likewise.
5266         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
5267         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5268         translators, wrap full type name in %qs.
5270         PR translation/79999
5271         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5272         depend clause with source (or sink) modifier.
5273         * omp-expand.c (expand_omp_ordered_sink): Likewise.
5275         PR target/89602
5276         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5277         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5278         (avx512f_load<mode>_mask): New define_expand.
5279         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5280         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5281         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5282         __builtin_ia32_movess_mask): New builtins.
5283         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5284         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5285         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5286         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5288 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5290         PR lto/87525
5291         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5292         for extern inline functions.
5294 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5296         PR ipa/88235
5297         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5298         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5299         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5300         have multiple callees.  At the end check if declarations match as
5301         opposed to cgraph_nodes.
5303 2019-03-07  Martin Liska  <mliska@suse.cz>
5305         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5306         which is equivalent to searching for this in clones chain.
5307         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5308         names with a neighbour and special case first node in a chain.
5310 2019-01-25  Jason Merrill  <jason@redhat.com>
5312         PR c++/80916 - spurious "static but not defined" warning.
5313         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5314         for an internal symbol with DECL_EXTERNAL.
5316 2019-04-07  Richard Biener  <rguenther@suse.de>
5318         PR middle-end/89618
5319         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5320         * tree-inline.c (copy_loops): Simplify.
5322 2019-03-07  Martin Liska  <mliska@suse.cz>
5324         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5326 2019-03-07  Richard Biener  <rguenther@suse.de>
5328         PR tree-optimization/89595
5329         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5330         stmt iterator as reference, take boolean output parameter to
5331         indicate whether the stmt was removed and thus the iterator
5332         already advanced.
5333         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5334         stmts created by folding.
5336 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5338         PR c++/89585
5339         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5340         at toplevel.
5342 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5344         PR rtl-optimization/88845
5345         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5346         LRA.
5347         * lra.c (remove_scratches_1): New function.
5348         (remove_scratches): Use it.
5349         (lra_emit_move): Likewise.
5351 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5353         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5354         unaligned_access variable.
5355         * config/arc/arc.c (arc_override_options): Set unaligned access
5356         default on for HS CPUs.
5357         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5359 2019-03-06  Martin Liska  <mliska@suse.cz>
5361         PR gcov-profile/89577
5362         * doc/gcov.texi: Prefer to use --coverage.
5363         * doc/sourcebuild.texi: Likewise.
5365 2019-03-02  Jason Merrill  <jason@redhat.com>
5367         PR c++/86485 - -Wmaybe-unused with empty class ?:
5368         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5370 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5372         PR target/89587
5373         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5374         if_multiarch.
5376         PR middle-end/89590
5377         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5378         exactly one argument.
5380 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5381             Richard Sandiford  <richard.sandiford@arm.com>
5383         PR tree-optimization/89570
5384         * match.pd (vec_cond into cond_op simplification): Don't use
5385         get_conditional_internal_fn, use as_internal_fn (cond_op).
5387 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5389         PR target/89222
5390         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5391         to decide when to split off a non-zero offset from a symbol.
5392         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5393         in function symbols.
5395 2019-03-05  Richard Biener  <rguenther@suse.de>
5397         PR tree-optimization/89594
5398         * tree-if-conv.c (pass_if_conversion::execute): Handle
5399         case where .LOOP_VECTORIZED_FUNCTION was removed.
5401 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5403         PR bootstrap/89560
5404         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5405         instead alloca it only when needed with the needed size.
5407         PR tree-optimization/89570
5408         * match.pd (vec_cond into cond_op simplification): Guard with
5409         vectorized_internal_fn_supported_p test and #if GIMPLE.
5411         PR tree-optimization/89566
5412         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5413         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5414         Punt if get_user_idx_format succeeds, but idx_format argument is
5415         not provided or doesn't have pointer type, or if idx_args is above
5416         number of provided arguments.
5418 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5420         PR tree-optimization/89437
5421         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5423 2019-03-04  Richard Biener  <rguenther@suse.de>
5425         PR middle-end/89572
5426         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5427         safe_dyn_cast.
5429 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5431         PR tree-optimization/89487
5432         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5433         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5434         (distribute_loop): Don't do runtime alias check if there is non-
5435         addressable data reference.
5436         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5437         is a register variable.
5439 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5441         PR target/89506
5442         * config/arm/arm.md (cmpsi2_addneg): Use
5443         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5444         If operands[2] is 0 or INT_MIN, force use of subs.
5445         (*compare_scc splitter): Use gen_int_mode.
5446         (*negscc): Likewise.
5447         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5449 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5450             Monk Chiang  <sh.chiang04@gmail.com>
5452         * common/config/riscv/riscv-common.c: Include sstream.
5453         (riscv_subset_list::to_string): New.
5454         (riscv_arch_str): Likewise.
5455         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5456         * config.in: Regen.
5457         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5458         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5459         (riscv_emit_attribute): New.
5460         (riscv_file_start): Emit attribute if needed.
5461         (riscv_option_override): Init riscv_emit_attribute_p.
5462         * config/riscv/riscv.opt (mriscv-attribute): New option.
5463         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5464         * configure: Regen.
5465         * doc/install.texi: Document --with-riscv-attribute.
5466         * doc/invoke.texi: Document -mriscv-attribute.
5468         * common/config/riscv/riscv-common.c:
5469         Include config/riscv/riscv-protos.h.
5470         (INCLUDE_STRING): Defined.
5471         (RISCV_DONT_CARE_VERSION): Defined.
5472         (riscv_subset_t): Declare.
5473         (riscv_subset_t::riscv_subset_t): New.
5474         (riscv_subset_list): Declare.
5475         (riscv_subset_list::riscv_subset_list): New.
5476         (riscv_subset_list::~riscv_subset_list): Likewise.
5477         (riscv_subset_list::parsing_subset_version): Likewise.
5478         (riscv_subset_list::parse_std_ext): Likewise.
5479         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5480         (riscv_subset_list::add): Likewise.
5481         (riscv_subset_list::lookup): Likewise.
5482         (riscv_subset_list::xlen): Likewise.
5483         (riscv_subset_list::parse): Likewise.
5484         (riscv_supported_std_ext): Likewise.
5485         (current_subset_list): Likewise.
5486         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5487         parse.
5489 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5491         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5492         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5493         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5495 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5497         PR rtl-optimization/85899
5498         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5499         fallthru edges leading to the exit block.
5501 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5503         PR target/89517
5504         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5505         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5507 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5509         PR tree-optimization/89535
5510         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5511         for each operand.  Calculate the fallback choice for mask operands
5512         and pass it to vect_get_vec_def_for_operand.
5514 2019-03-01  Richard Biener  <rguenther@suse.de>
5516         PR middle-end/89541
5517         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5518         get virtual operands.
5519         (get_expr_operands): Handle CONST_DECL like other decls.
5521 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5523         PR middle-end/89503
5524         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5525         on DECL_P and EXPR_P.
5527 2019-03-01  Richard Biener  <rguenther@suse.de>
5529         PR middle-end/89497
5530         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5531         argument, defaulted to zero.
5532         * passes.c (execute_function_todo): Pass down SSA update flags
5533         to cleanup_tree_cfg.
5534         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5535         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5536         form if requested.
5537         (cleanup_tree_cfg): Get and pass down SSA update flags.
5539 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5541         PR bootstrap/89539
5542         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5543         early_lto_debug argument.
5545 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5547         PR tree-optimization/89536
5548         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5549         only whether bit #0 of the value is 0 instead of the entire value.
5551 2019-02-28  Marek Polacek  <polacek@redhat.com>
5553         PR c++/87068 - missing diagnostic with fallthrough statement.
5554         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5555         at the end of a seq, save its location to walk_stmt_info.
5556         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5557         a switch.
5559 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5561         PR lto/88585
5562         * tree.c (find_atomic_core_type): Move ahead in file.
5563         (check_base_type): Correctly compare alignments of atomic types.
5565 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5567         PR target/89455
5568         * config/i386/i386.c (get_builtin_code_for_version): Identify
5569         Westmere from PCLMUL, instead of AES.
5571 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5573         PR target/89434
5574         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5575         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5576         -UINTVAL (...).
5578 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5580         PR target/88530
5581         * config/aarch64/aarch64-option-extensions.def: Document it.
5582         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5583         if empty hwcaps.
5585 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5587         PR c/89520
5588         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5589         builtins if they don't have a single scalar floating point argument.
5590         Formatting fixes.
5592 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5594         PR rtl-optimization/89490
5595         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5596         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5597         block section is not mergeable.
5599 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5601         PR target/70341
5602         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5603         old define_insn to ...
5604         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5605         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5606         Rename old define_insn to ...
5607         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5608         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5609         define_insn to ...
5610         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5611         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5612         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5614 2019-02-27  Richard Biener  <rguenther@suse.de>
5616         PR debug/88878
5617         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5619 2019-02-27  Richard Biener  <rguenther@suse.de>
5621         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5622         building.
5624 2019-02-27  Richard Biener  <rguenther@suse.de>
5626         PR debug/88878
5627         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5628         parameter, prefix section name with .gnu.debuglto_ if true.
5629         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5630         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5632 2019-02-27  Richard Biener  <rguenther@suse.de>
5634         PR debug/89514
5635         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5636         rather than on use_debug_types, doing what output_die does.
5637         (value_format): Likewise.
5639 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5640             Martin Sebor  <msebor@redhat.com>
5642         * doc/invoke.texi (Warning Options): Reword description of
5643         -Wno-absolute-value.
5645 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5647         PR tree-optimization/89280
5648         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5649         builtin_setjmp_setup_bb): New functions.
5650         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
5651         When visiting __builtin_setjmp_setup block, queue in special
5652         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
5653         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
5654         from visited after the loop if they don't have any visited successor
5655         blocks.
5657 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
5659         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
5660         New function.
5661         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
5663 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5665         PR c++/89507
5666         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
5667         with types other than sizetype/ssizetype.
5669 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5671         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
5672         (enum sparc_processor_type): ...this.
5673         (enum sparc_code_model_type): New enumeration type.
5674         (enum sparc_memory_model_type): Tweak comments.
5675         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
5676         (mtune): Likewise.
5677         (mcmodel): Use sparc_code_model enumeration and variable.
5678         (sparc_code_model): New enumeration.
5679         (mdebug): Add Undocumented marker.
5680         * config/sparc/sparc.h (enum cmodel): Delete.
5681         (sparc_cmodel): Likewise.
5682         (TARGET_CM_MEDLOW): Adjust to above renaming.
5683         (TARGET_CM_MEDMID): Likewise.
5684         (TARGET_CM_MEDANY): Likewise.
5685         (TARGET_CM_EMBMEDANY): Likewise.
5686         * config/sparc/sparc.c (sparc_cmodel): Delete.
5687         (sparc_option_override): Remove string/value mapping support for the
5688         code model.  Move code and memory model support to after the handling
5689         of target flags.  Do private machine setup last.
5690         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
5691         (sparc_legitimize_reload_address): Likewise.
5692         (sparc_output_mi_thunk): Likewise.
5693         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
5695 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5697         PR tree-optimization/89500
5698         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
5699         (handle_builtin_strlen): Remove noncst_bound variable.  Always
5700         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
5701         cst if the first cst bytes starting at x are known to be non-zero,
5702         even if the string is not zero terminated.  Don't try to modify
5703         *si for strnlen.  Update strlen_to_stridx only for strlen or if
5704         we can prove strnlen returns the same value as strlen would.
5706 2019-02-26  Martin Liska  <mliska@suse.cz>
5708         * alloc-pool.h (struct pool_usage): Remove extra
5709         print_dash_line.
5710         * bitmap.h (struct bitmap_usage): Likewise.
5711         * ggc-common.c (struct ggc_usage): Likewise.
5712         * mem-stats.h (struct mem_usage): Likewise.
5713         (mem_alloc_description::dump): Print dash lines
5714         here and repeat header at the end of a table report.
5715         It's then more readable.
5716         * tree-phinodes.c (phinodes_print_statistics): Make
5717         horizontal alignment.
5718         * tree-ssanames.c (ssanames_print_statistics): Likewise.
5719         * vec.c (struct vec_usage): Remove extra print_dash_line.
5720         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
5722 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
5724         * doc/extend.texi (__builtin_object_size):
5725         Use @pxref instead of @xref inside parenthesis.
5726         (__builtin_has_attribute): Add missing comma after @xref.
5727         (__builtin_object_size): Ditto.
5728         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
5729         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
5730         in the list.
5732 2019-02-26  Jeff Law  <law@redhat.com>
5734         PR rtl-optimization/87761
5735         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
5736         detect obviously dead insns and delete them.
5738 2019-02-26  Richard Biener  <rguenther@suse.de>
5740         PR tree-optimization/89505
5741         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
5742         to handle restrict pointed-to vars with multiple subvars
5743         correctly.
5745 2019-02-26  Richard Biener  <rguenther@suse.de>
5747         PR tree-optimization/89489
5748         * tree-parloops.c (create_loop_fn): Copy over last_clique.
5750 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5752         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
5753         and move around comment.
5754         <BIT_AND_EXPR>: Likewise.
5755         <BIT_NOT_EXPR>: Add specific handling for boolean types.
5757 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5759         PR target/89474
5760         * config/i386/i386.c (remove_partial_avx_dependency): Call
5761         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
5762         after changing possibly many instructions to use that pseudo.  Fix up
5763         insertion of v4sf_const0 setter at the start of bb.
5765 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5767         PR c/80409
5768         * doc/extend.texi (Variadic Pointer Args): New section.
5770 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5771             Martin Sebor  <msebor@gmail.com>
5773         * common.opt (Wattribute-alias): Likewise.
5774         * doc/invoke.texi (Option Summary): List general form of
5775         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
5776         (-Wmissing-attributes): Invert entry, rewrite and correct default.
5777         Add cross-references.
5778         (-Wattribute-alias): Rewrite and correct default.  Mention
5779         considered attributes (same as for -Wmissing-attributes).
5781 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
5783         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
5784         (_mm_cvtpd_ps): Likewise.
5785         (_mm_cvttpd_epi32): Likewise.
5787         PR target/89338
5788         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
5789         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
5791         PR target/89339
5792         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
5794 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5796         PR target/88530
5797         * common/config/aarch64/aarch64-common.c
5798         (struct aarch64_option_extension): Add is_synthetic.
5799         (all_extensions): Use it.
5800         (TARGET_OPTION_INIT_STRUCT): Define hook.
5801         (struct gcc_targetm_common): Moved to end.
5802         (all_extensions_by_on): New.
5803         (opt_ext_cmp, typedef opt_ext): New.
5804         (aarch64_option_init_struct): New.
5805         (aarch64_contains_opt): New.
5806         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
5807         * config/aarch64/aarch64-option-extensions.def
5808         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
5809         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
5810         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
5811         Set is_synthetic to false.
5812         (crypto): Set is_synthetic to true.
5813         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
5814         SYNTHETIC.
5816 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5818         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5819         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
5820         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5821         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
5822         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
5823         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
5824         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
5825         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
5826         Rename ...
5827         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
5828         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5829         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
5830         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
5831         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
5832         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
5833         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
5834         vfmlsl_laneq_high_f16): ... To this.
5835         * config/arm/neon.md: Update comments.
5837 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5839         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5840         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
5841         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5842         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
5843         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
5844         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
5845         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
5846         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
5847         Rename ...
5848         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
5849         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5850         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
5851         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
5852         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
5853         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
5854         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
5855         vfmlslq_laneq_high_f16): ... To this.
5857 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
5859         PR rtl-optimization/86096
5860         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
5861         comparing mw_order values.
5863 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
5865         PR target/89434
5866         * config/arm/arm.md (*subsi3_carryin_const): Use
5867         arm_neg_immediate_operand predicate instead of
5868         arm_not_immediate_operand, "L" constraint instead of "K" and
5869         print it using %n2 instead of %B2.
5870         (*subsi3_carryin_const0): New define_insn.
5871         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
5872         instead of arm_not_operand and "I" constraint instead of "K" and
5873         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
5874         another match_operand and in the condition check that it is negation
5875         of operands[2].
5876         (*subsi3_carryin_compare_const0): New define_ins.
5877         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
5878         *subsi3_carryin_const.
5879         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
5880         split into *subsi3_carryin_compare_const0 if the highpart is zero.
5882         PR target/89438
5883         * config/arm.vfp.md (*negdf2_vfp): Use
5884         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
5885         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
5887 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
5889         PR rtl-optimization/89445
5890         * simplify-rtx.c (simplify_ternary_operation): Don't use
5891         simplify_merge_mask on operands that may trap.
5892         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
5893         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
5894         second operand is CONST_VECTOR, check if any element could be zero.
5895         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
5896         their operands can trap.
5898 2019-02-23  Martin Sebor  <msebor@redhat.com>
5900         * gimple-ssa-sprintf.c (target_strtol): Rename...
5901         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
5902         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
5903         check for range error.
5905 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5907         PR driver/69471
5908         * opts-common.c (prune_options): Also prune joined switches
5909         with Negative and RejectNegative.
5910         * config/i386/i386.opt (march=): Add Negative(march=).
5911         (mtune=): Add Negative(mtune=).
5912         * doc/options.texi: Document Negative used together with Joined
5913         and RejectNegative.
5915 2019-02-22  Martin Sebor  <msebor@redhat.com>
5917         * doc/extend.texi (Other Builtins): Add
5918         __builtin_is_constant_evaluated.
5920 2019-02-22  Richard Biener  <rguenther@suse.de>
5922         PR tree-optimization/87609
5923         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
5925 2019-02-22  Jeff Law  <law@redhat.com>
5927         PR rtl-optimization/87761
5928         * config/mips/mips.md: Add new combiner pattern to recognize
5929         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
5931 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
5933         PR target/89324
5934         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
5935         destination register in peepholes generating patterns for ADDS/SUBS.
5936         (add<mode>3_compare0,
5937         *addsi3_compare0_uxtw, add<mode>3_compareC,
5938         add<mode>3_compareV_imm, add<mode>3_compareV,
5939         *adds_<optab><ALLX:mode>_<GPI:mode>,
5940         *subs_<optab><ALLX:mode>_<GPI:mode>,
5941         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
5942         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
5943         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
5944         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
5945         sub<mode>3_compare1): Allow stack pointer for source register.
5946         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
5948 2019-02-22  Martin Sebor  <msebor@redhat.com>
5950         PR tree-optimization/88993
5951         PR tree-optimization/88853
5952         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
5953         New helper.
5954         (sprintf_dom_walker::call_info::is_string_func): New helper.
5955         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
5956         for formatted string functions.
5957         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
5959 2019-02-22  Martin Sebor  <msebor@redhat.com>
5961         PR c/89425
5962         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
5963         unreachable subexpressions.
5965 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
5966             Hongtao Liu  <hongtao.liu@intel.com>
5967             Sunil K Pandey  <sunil.k.pandey@intel.com>
5969         PR target/87007
5970         * config/i386/i386-passes.def: Add
5971         pass_remove_partial_avx_dependency.
5972         * config/i386/i386-protos.h
5973         (make_pass_remove_partial_avx_dependency): New.
5974         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
5975         New function.
5976         (pass_data_remove_partial_avx_dependency): New.
5977         (pass_remove_partial_avx_dependency): Likewise.
5978         (make_pass_remove_partial_avx_dependency): Likewise.
5979         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
5980         (*extendsfdf2): Add avx_partial_xmm_update.
5981         (truncdfsf2): Likewise.
5982         (*float<SWI48:mode><MODEF:mode>2): Likewise.
5983         (SF/DF conversion splitters): Disabled for TARGET_AVX.
5985 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
5987         PR middle-end/85598
5988         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
5989         analysis for pass.
5991 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
5993         PR target/89444
5994         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
5995         (PTA_SKYLAKE): Add PTA_AES.
5996         (PTA_GOLDMONT): Likewise.
5998 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6000         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6001         instruction if enabled.
6002         (aarch64_override_options): Remove reference to return address key.
6004 2019-02-22  Richard Biener  <rguenther@suse.de>
6006         PR tree-optimization/89440
6007         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6008         not necessary assert.
6010 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6012         PR fortran/72741
6013         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6014         (oacc_replace_fn_attrib_attr): ... this new function.
6015         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6016         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6018 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6020         * config/arm/arm-cpus.in (ares): Rename to...
6021         (neoverse-n1): ... This.  Add ares as alias.
6022         * config/arm/arm-tables.opt: Regenerate.
6023         * config/arm/arm-tune.md: Likewise.
6024         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6026 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6028         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6029         * config/aarch64/aarch64-tune.md: Regenerate.
6030         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6032 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6034         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6035         (neoversen1_tunings): ... This.
6036         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6037         (neoverse-n1): New CPU.
6038         * config/aarch64/aarch64-tune.md: Regenerate.
6039         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6041 2019-02-22  Richard Biener  <rguenther@suse.de>
6043         PR middle-end/87609
6044         * cfghooks.h (dependence_hash): New typedef.
6045         (struct copy_bb_data): New type.
6046         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6047         (duplicate_block): Likewise.
6048         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6049         (copy_bbs): Create and pass down copy_bb_data.
6050         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6051         (rtl_duplicate_bb): Likewise.
6052         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6053         remap dependence info.
6055 2019-02-22  Richard Biener  <rguenther@suse.de>
6057         PR tree-optimization/87609
6058         * tree-core.h (tree_base): Document special clique values.
6059         * tree-inline.c (remap_dependence_clique): Do not use the
6060         special clique value of one.
6061         (maybe_set_dependence_info): Use clique one.
6062         (clear_dependence_clique): New callback.
6063         (compute_dependence_clique): Clear clique one from all refs
6064         before assigning it (again).
6066 2019-02-21  Martin Sebor  <msebor@redhat.com>
6068         * doc/extend.texi (__clear_cache): Correct signature.
6070 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6072         PR go/89170
6073         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6074         than output_constant_def.
6075         (add_constant_to_table): New static function.
6076         (output_constant_def): Call add_constant_to_table.
6077         (tree_output_constant_def): Likewise.
6079 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6081         PR c++/89285
6082         * builtins.c (fold_builtin_arith_overflow): If first two args are
6083         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6084         to ifn.
6086 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6088         PR target/87412
6089         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6090         error for -mindirect-branch/-mfunction-return with incompatible
6091         -fcf-protection.
6093 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6095         PR bootstrap/88714
6096         * constraints.md (q): Remove.
6097         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6098         instead of q.
6100 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6102         PR hsa/89302
6103         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6104         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6105         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6106         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6107         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6108         proper values to new parameters of omp_adjust_for_condition.
6110 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6112         PR middle-end/89412
6113         * expr.c (expand_assignment): If result is a MEM, use change_address
6114         instead of simplify_gen_subreg.
6116 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6117             David Malcolm  <dmalcolm@redhat.com>
6119         PR middle-end/89091
6120         * fold-const.c (decode_field_reference): Return NULL_TREE if
6121         lang_hooks.types.type_for_size returns NULL.  Check it before
6122         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6124 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6126         PR middle-end/88074
6127         PR middle-end/89415
6128         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6129         buggy mpc_norm.
6131 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6133         PR target/89397
6134         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6135         TARGET_SSE in addition to TARGET_SSE_MATH.
6137         (ix86_excess_precision): Ditto.
6138         (ix86_float_exceptions_rounding_supported_p): Ditto.
6139         (use_rsqrt_p): Ditto.
6140         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6142 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6144         PR c/89410
6145         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6146         linenum_arith_t when determining if two adjacent line spans are
6147         close enough to merge.
6148         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6149         lines within each line_span.
6151 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6153         PR target/86487
6154         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6155         paradoxical SUBREGS.
6157 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6159         PR target/88100
6160         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6161         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6162         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6163         range checking it.
6165 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6167         * config/gcn/gcn.c (print_operand): Fix typo.
6169 2019-02-19  Richard Biener  <rguenther@suse.de>
6171         PR middle-end/88074
6172         * toplev.c (do_compile): Initialize mpfr's exponent range
6173         based on available float modes.
6175 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6177         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6178         as long as the epilogue isn't completed.
6180 2019-02-18  Martin Sebor  <msebor@redhat.com>
6182         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6183         __has_cpp_attribute, and __has_include.
6185 2019-02-18  Martin Sebor  <msebor@redhat.com>
6187         * doc/invoke.texi (-Wreturn-type): Correct and expand.
6189 2019-02-18  Martin Sebor  <msebor@redhat.com>
6191         PR middle-end/89294
6192         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6193         expression.
6194         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6196 2019-02-18  Richard Biener  <rguenther@suse.de>
6198         PR tree-optimization/89296
6199         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6200         of no-warning flag to cases that might emit the bogus warning.
6202 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
6204         PR bootstrap/88714
6205         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6206         "q" constraint.
6207         * config/arm/vfp.md (*movdi_vfp): Likewise.
6208         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6209         "q" constraint for operands[0].
6211         PR target/89369
6212         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6213         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6214         pattern in a temporary buffer.
6215         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
6216         than 64-operands[2].
6218         PR target/89361
6219         * config/s390/s390.c (s390_indirect_branch_attrvalue,
6220         s390_indirect_branch_settings): Define unconditionally.
6221         (s390_set_current_function): Likewise, but guard the whole body except
6222         the s390_indirect_branch_settings call with
6223         #if S390_USE_TARGET_ATTRIBUTE.
6224         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6226         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6227         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6228         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6229         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6230         HOST_WIDE_INT_1U instead of 1ULL.
6231         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6232         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6233         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6234         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6235         instead of 1UL.
6236         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6237         instead of 1ul.
6239 2019-02-18  Martin Jambor  <mjambor@suse.cz>
6241         PR tree-optimization/89209
6242         * tree-sra.c (create_access_replacement): New optional parameter
6243         reg_tree.  Use it as a type if non-NULL and access type is not of
6244         a register type.
6245         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6246         to create_access_replacement.
6247         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6248         Check lacc is non-NULL before attempting to re-create it on the RHS.
6250 2019-02-18  Martin Liska  <mliska@suse.cz>
6252         PR ipa/89306
6253         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6254         by default.
6255         (symbol_table::free_edge): Recycle m_summary_id.
6256         * cgraph.h (get_summary_id): New.
6257         (symbol_table::release_symbol): Set m_summary_id to -1
6258         by default.
6259         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6260         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6261         function_summary to fast_function_summary.
6262         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6263         * ipa-pure-const.c (class funct_state_summary_t):
6264         Switch from function_summary to fast_function_summary.
6265         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6266         (class ipa_ref_opt_summary_t): Switch from function_summary
6267         to fast_function_summary.
6268         * symbol-summary.h (class function_summary_base): New class
6269         that is created from base of former function_summary.
6270         (function_summary_base::unregister_hooks): New.
6271         (class function_summary): Inherit from function_summary_base.
6272         (class call_summary_base): New class
6273         that is created from base of former call_summary.
6274         (class call_summary): Inherit from call_summary_base.
6275         (struct is_same): New.
6276         (class fast_function_summary): New summary class.
6277         (class fast_call_summary): New summary class.
6278         * vec.h (vec_safe_grow_cleared): New function.
6280 2019-02-18  Martin Liska  <mliska@suse.cz>
6282         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6283         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6284         * doc/tm.texi: Document new target hook.
6285         * doc/tm.texi.in: Likewise.
6286         * target.def: Add new target macro.
6287         * gcc.c (find_fortran_preinclude_file): Do not search multilib
6288         suffixes.
6290 2019-02-17  Alan Modra  <amodra@gmail.com>
6292         PR target/89271
6293         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6294         output reg on add insn.
6295         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6297 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6299         PR target/89372
6300         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6301         (PMULHRSW): Likewise.
6302         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6303         TARGET_AVX2.
6304         (ssse3_pmulhrswv4hi3): New expander.
6306 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6308         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6309         MMX.  Add isa attribute.
6311 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6313         PR rtl-optimization/66152
6314         * builtins.h (c_readstr): Declare.
6315         * builtins.c (c_readstr): Remove forward declaration.  Add
6316         null_terminated_p argument, if false, read all bytes from the
6317         string instead of stopping after '\0'.
6318         * expr.c (string_cst_read_str): New function.
6319         (store_expr): Use string_cst_read_str instead of
6320         builtin_strncpy_read_str.  Try to store by pieces the whole
6321         exp_len first, and only if that fails, split it up into
6322         store by pieces followed by clear_storage.  Formatting fix.
6324         * config/i386/i386.md (*movqi_internal): Remove static from
6325         buf variable.  Use output_asm_insn (buf, operands); return "";
6326         instead of return buf;.
6327         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6328         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6329         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6331 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6333         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6334         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6335         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6336         (CC1_SPEC): Likewise.
6337         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6339 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6341         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6342         the base address on 64-bit strict-alignment platforms.
6344 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6346         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6348 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6350         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6352 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6354         PR rtl-optimization/88308
6355         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6356         on copied instruction.
6358 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6360         * final.c (insn_current_reference_address): Replace test on JUMP_P
6361         with test on jump_to_label_p.
6362         * config/visium/visium-passes.def: New file.
6363         * config/visium/t-visium (PASSES_EXTRA): Define.
6364         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6365         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6366         (TRAMPOLINE_ALIGNMENT): Define.
6367         * config/visium/visium.c (visium_option_override): Do not register
6368         the machine-specific reorg pass here.
6369         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6370         for the GR6.
6371         (output_branch): Adjust threshold for long branch instruction.
6372         * config/visium/visium.md (cpu): Move around.
6373         (length): Adjust for the GR6.
6375 2019-02-15  Richard Biener  <rguenther@suse.de>
6376             Jakub Jelinek  <jakub@redhat.com>
6378         PR tree-optimization/89278
6379         * tree-loop-distribution.c: Include tree-eh.h.
6380         (generate_memset_builtin, generate_memcpy_builtin): Call
6381         rewrite_to_non_trapping_overflow on builtin->size before passing it
6382         to force_gimple_operand_gsi.
6384 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6386         PR other/89342
6387         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6388         optimize_debug.
6389         * opth-gen.awk: Likewise.
6391 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6393         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6394         Enable MMX, SSE and SSE2 by default.
6395         * config/i386/i386.c (ix86_option_override_internal): Do not
6396         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6398 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6400         PR rtl-optimization/89354
6401         * combine.c (make_extraction): Punt if extraction_mode is narrower
6402         than len bits.
6404 2019-02-14  Maya Rashish  <coypu@sdf.org>
6406         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6407         * config/netbsd-d.c: New file.
6408         * config/t-netbsd: Add netbsd-d.o
6410 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6412         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6413         affects_type_identity to true for aarch64_vector_pcs.
6414         (aarch64_comp_type_attributes): New function.
6415         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6417 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6419         PR target/88850
6420         * config/arm/iterators.md (ANY64): Add V4HF.
6422 2019-02-14  Martin Liska  <mliska@suse.cz>
6424         PR rtl-optimization/89242
6425         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6426         process a transformation.
6428 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6430         PR tree-optimization/89314
6431         * fold-const.c (fold_binary_loc): Cast strlen argument to
6432         const char * before dereferencing it.  Formatting fixes.
6434         PR middle-end/89284
6435         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6437 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6439         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6440         and set current index for other optimizations.
6442 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6444         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6445         nonimmediate_operand as operand 2 predicate.
6446         (vec_set<VF2_512_256:mode>_0): Ditto.
6447         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6448         (*vec_concatv2si): Remove alternative 2.
6449         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6450         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6451         (vec_concatv2di): Split alternatives 4,5,6 to ...
6452         (*vec_concatv2di_0) ... new pattern.
6454 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6456         PR target/89190
6457         * config/arm/arm.c (ldm_stm_operation_p) Set
6458         addr_reg_in_reglist correctly for first register.
6459         (load_multiple_sequence): Remove dead base check.
6460         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6462 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6464         PR target/88847
6465         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6466         Expose as @aarch64_pred_mov.
6467         * config/aarch64/aarch64.c (aarch64_classify_address):
6468         Use expand_insn which legitimizes operands.
6470 2019-02-13  Martin Liska  <mliska@suse.cz>
6472         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6473         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6474         and pointer_offset fields.
6475         (initialize_argument_information): Remove usage of dead
6476         fields.
6477         * cgraph.h (struct cgraph_thunk_info): Remove
6478         add_pointer_bounds_args.
6479         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6480         fields.
6481         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6482         fields.
6483         * config/i386/i386.c (ix86_function_arg_advance): Remove
6484         unrelated comment.
6485         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6486         (def_builtin):  Remove usage of dead
6487         fields.
6488         (ix86_add_new_builtins): Likewise.
6489         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6490         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6491         (sem_function::init): Likewise.
6492         (sem_variable::merge): Likewise.
6493         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6494         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6495         * lto-cgraph.c (lto_output_node): Likewise.
6496         (lto_output_varpool_node): Likewise.
6497         (input_node): Likewise.
6498         (input_varpool_node): Likewise.
6499         * lto-streamer-out.c (lto_output): Likewise.
6500         * tree-inline.c (expand_call_inline): Remove usage of
6501         assign_stmts.
6502         * tree-inline.h (struct copy_body_data): Likewise.
6503         * varpool.c (varpool_node::dump): Likewise.
6505 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6507         PR middle-end/89303
6508         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6509         into pt->vars_contains_escaped_heap instead of setting
6510         pt->vars_contains_escaped_heap to it.
6512         PR middle-end/89281
6513         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6514         INTVAL (size), compare it to GET_MODE_MASK instead of
6515         1 << GET_MODE_BITSIZE.
6517         PR target/89290
6518         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6519         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6520         -mcmodel=large.
6522 2019-02-13  Martin Liska  <mliska@suse.cz>
6524         PR lto/88858
6525         * cfgrtl.c (remove_barriers_from_footer): New function.
6526         (try_redirect_by_replacing_jump): Use it.
6527         (cfg_layout_redirect_edge_and_branch): Likewise.
6529 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6531         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6532         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6533         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6534         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6535         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6536         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6537         New BU_CRYPTO_2.
6538         * config/rs6000/rs6000.c (builtin_function_type)
6539         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6540         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6541         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6542         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6543         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6545 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6547         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6548         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6550 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6552         PR target/89229
6553         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6554         268678 and revision 268657.
6555         (*movti_internal): Likewise.
6557 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6559         PR target/89233
6560         * config/s390/s390.c (s390_decompose_address): Update comment.
6561         (s390_check_qrst_address): Reject invalid address forms after
6562         LRA.
6564 2019-02-12  Martin Liska  <mliska@suse.cz>
6566         PR lto/88876
6567         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6568         we need default values of funct_state for a function that
6569         is not optimized.
6571 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6573         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6574         the object to pick the size of stores on strict-alignment platforms.
6576         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6577         (*movdi_insn_sp32): Likewise.
6578         (*movdi_insn_sp64): Likewise.
6580 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6582         PR lto/88677
6583         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6584         types that needs constructiong.
6585         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6587 2019-02-12  Richard Biener  <rguenther@suse.de>
6589         PR tree-optimization/89253
6590         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6591         duplicate the loop.
6593 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6595         PR lto/88147
6596         * input.c (selftest::test_line_offset_overflow): New selftest.
6597         (selftest::input_c_tests): Call it.
6599 2019-02-11  Martin Sebor  <msebor@redhat.com>
6601         PR tree-optimization/88771
6602         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6603         when -Wstringop-overflow is set.
6604         (builtin_memref::builtin_memref): Adjust excessive upper bound
6605         only when lower bound is not excessive.
6606         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6607         -Wstringop-ovefflow.
6608         (maybe_diag_offset_bounds): Rename...
6609         (maybe_diag_access_bounds): ...to this.
6610         (check_bounds_or_overlap): Adjust for name change above.
6612 2019-02-11  Martin Sebor  <msebor@redhat.com>
6614         PR c++/87996
6615         * builtins.c (max_object_size): Move from here...
6616         * builtins.h (max_object_size): ...and here...
6617         * tree.c (max_object_size): ...to here...
6618         * tree.h (max_object_size): ...and here.
6620 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6622         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6623         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6624         for correct semantics.
6626 2019-02-11  Alan Modra  <amodra@gmail.com>
6628         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6629         -mlongcall and -mpltseq.
6630         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6631         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6632         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6633         * config/rs6000/sysv4.opt (mpltseq): New option.
6634         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6635         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6636         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6637         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6638         -mpltseq given for ELFv1.
6639         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6640         Only use UNSPEC_PLTSEQ for inline PLT calls.
6641         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6642         use UNSPEC_PLTSEQ for inline PLT calls.
6643         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6644         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6645         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6646         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6647         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6648         (pltseq_mtctr_<mode>): Likewise.
6650 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6652         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
6653         Solaris ld.
6654         * configure: Regenerate.
6656 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
6658         PR bootstrap/88714
6659         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
6660         instead of r.
6662 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6664         * function.c (assign_parm_setup_block): Use the stored
6665         size, not the passed size, when allocating stack-space,
6666         also for a parameter with alignment larger than
6667         MAX_SUPPORTED_STACK_ALIGNMENT.
6669 2019-02-11  Martin Liska  <mliska@suse.cz>
6671         PR ipa/89009
6672         * ipa-cp.c (build_toporder_info): Remove usage of a param.
6673         * ipa-inline.c (inline_small_functions): Likewise.
6674         * ipa-pure-const.c (propagate_pure_const): Likewise.
6675         (propagate_nothrow): Likewise.
6676         * ipa-reference.c (propagate): Likewise.
6677         * ipa-utils.c (struct searchc_env): Remove unused field.
6678         (searchc): Always search across AVAIL_INTERPOSABLE.
6679         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
6680         the only called IPA pure const can properly not propagate
6681         across interposable boundary.
6682         * ipa-utils.h (ipa_reduced_postorder): Remove param.
6684 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
6686         * config/nds32/nds32.md (call_internal, call_value_internal,
6687         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
6689 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6691         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
6692         typo.
6694 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6696         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
6697         in comments
6699 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6701         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
6703 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
6705         PR tree-optimization/89268
6706         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
6707         if preds is non-NULL.
6709 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6711         PR lto/89272
6712         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
6713         polymorphic types.
6715 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6717         * config/nds32/nds32.md (trap): New pattern.
6719 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6721         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
6722         dwarf span.
6724 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6726         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
6727         to split POST_INC.
6729 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6731         * ipa-visibility.c (localize_node): Also do not localize
6732         LDPR_PREVAILING_DEF_IRONLY_EXP.
6734 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6736         PR lto/87957
6737         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
6738         instead of type_with_linkage.
6740 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6742         PR ipa/88755
6743         * params.def (uninlined-function-insns, uninlined-function-time,
6744         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
6745         bound so we don't get overflows.
6747 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
6749         * config/rs6000/rs6000-string.c (expand_compare_loop,
6750         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
6751         memcmp/strncmp.
6753 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
6755         PR middle-end/89246
6756         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6757         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
6758         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
6760 2019-02-09  Alan Modra  <amodra@gmail.com>
6762         PR target/88343
6763         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
6764         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
6765         setup.
6767 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
6769         PR middle-end/88560
6770         * lra-constraints.c (process_alt_operands): Don't increase reject
6771         for memory when offset memory is required.
6773 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
6775         * config/s390/vector.md: Implement vector copysign.
6777 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6779         * expr.c (expand_constructor): Correct indentations.
6781 2019-02-08  Richard Biener  <rguenther@suse.de>
6783         PR tree-optimization/89247
6784         * tree-if-conv.c: Include tree-cfgcleanup.h.
6785         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
6786         (tree_if_conversion): Pass through predicate vector.
6787         (pass_if_conversion::execute): Do CFG cleanup and SSA update
6788         inline, see if any if-converted loops we refrece in
6789         LOOP_VECTORIZED calls vanished and fixup.
6790         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
6792 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
6794         * config/s390/constraints.md (jdd): New constraint.
6796 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6798         PR target/89229
6799         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
6800         upper 16 vector registers without TARGET_AVX512VL.
6801         (*movti_internal): Likewise.
6803 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6805         PR rtl-optimization/89234
6806         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
6807         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
6808         (copy_reg_eh_region_note_backward): Likewise.
6810 2019-02-08  Richard Biener  <rguenther@suse.de>
6812         PR middle-end/89223
6813         * tree-data-ref.c (initialize_matrix_A): Fail if constant
6814         doesn't fit in HWI.
6815         (analyze_subscript_affine_affine): Handle failure from
6816         initialize_matrix_A.
6818 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6820         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
6821         cfun everywhere.
6823 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
6825         PR tree-optimization/86637
6826         PR tree-optimization/89235
6827         * tree-vect-loop.c (optimize_mask_stores): Add an
6828         auto_purge_vect_location sentinel to ensure that vect_location is
6829         purged on exit.
6830         * tree-vectorizer.c
6831         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
6832         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
6833         to ensure that vect_location is purged on exit.
6834         (pass_slp_vectorize::execute): Likewise, replacing the manual
6835         reset.
6836         * tree-vectorizer.h (class auto_purge_vect_location): New class.
6838 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6840         * config/aarch64/iterators.md (max_opp): New code_attr.
6841         (USMAX): New code iterator.
6842         * config/aarch64/predicates.md (aarch64_smin): New predicate.
6843         (aarch64_smax): Likewise.
6844         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
6845         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
6846         MINUS (MAX MIN).
6848 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
6850         PR target/89229
6851         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
6852         for TARGET_AVX512VL.
6853         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
6855 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
6857         * config/s390/s390-builtin-types.def: Add new types.
6858         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
6859         (s390_vec_xlw4): Make the memory operand into a const pointer.
6860         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
6861         float.
6862         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
6863         a new vector type with the alignment of the scalar memory operand.
6865 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
6866             Jakub Jelinek  <jakub@redhat.com>
6868         PR bootstrap/88714
6869         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
6870         arm_count_ldrdstrd_insns): New declarations.
6871         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
6872         MINUS.
6873         (valid_operands_ldrd_strd): New function.
6874         (arm_count_ldrdstrd_insns): New function.
6875         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
6876         sets instead of single DImode set and define new insns to match this.
6878 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6880         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
6881         Make it a C initializer.
6883 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6885         PR/target 88850
6886         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
6888 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6890         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
6891         Use neon_dot<q> for type.
6892         (neon_<sup>dot_lane<vsi2qi>): Likewise.
6894 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6896         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
6897         Use neon_dot<q> for type.
6898         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
6899         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
6901 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
6903         PR rtl-optimization/89225
6904         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
6905         sizes check.
6907 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
6909         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
6910         after restoring registers saved to allocate the frame on Windows.
6912 2019-02-06  Richard Biener  <rguenther@suse.de>
6914         PR tree-optimization/89182
6915         * graphite.h (cached_scalar_evolution_in_region): Declare.
6916         * graphite.c (struct seir_cache_key): New.
6917         (struct sese_scev_hash): Likewise.
6918         (seir_cache): New global.
6919         (cached_scalar_evolution_in_region): New function.
6920         (graphite_transform_loops): Allocate and release seir_cache.
6921         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
6922         cached_scalar_evolution_in_region.
6923         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6924         Simplify.
6925         (scop_detection::graphite_can_represent_expr: Use
6926         cached_scalar_evolution_in_region.
6927         (scop_detection::stmt_simple_for_scop_p): Likewise.
6928         (find_params_in_bb): Likewise.
6929         (gather_bbs::before_dom_children): Likewise.
6930         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
6931         (add_loop_constraints): Likewise.
6933 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
6935         PR middle-end/89210
6936         * fold-const-call.c (fold_const_vec_convert): Pass true as last
6937         operand to new_unary_operation only if both element types are integral
6938         and it isn't a widening conversion.  Return NULL_TREE if
6939         new_unary_operation failed.
6941 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
6943         PR target/88856
6944         * config/s390/s390.md: Remove load and test FP splitter.
6946 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6948         PR target/89112
6949         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
6950         expand_compare_loop, expand_block_compare_gpr,
6951         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
6952         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
6953         #include "profile-count.h" and "predict.h" for types and functions
6954         needed to work with REG_BR_PROB notes.
6956 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6958         PR target/89112
6959         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
6960         for the long branch case.
6962 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6964         PR target/89188
6965         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
6966         can throw, non-call exceptions are enabled and we can't delete
6967         dead exceptions or alter cfg.  Set must_clean if
6968         delete_insn_and_edges returns true, don't set it blindly for calls.
6969         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
6971         PR rtl-optimization/89195
6972         * combine.c (make_extraction): For MEMs, don't extract bytes outside
6973         of the original MEM.
6975 2019-02-05  Martin Liska  <mliska@suse.cz>
6977         PR gcov-profile/89000
6978         * gcov.c (function_summary): Remove argument.
6979         (file_summary): New function.
6980         (print_usage): Replace tabs with spaces.
6981         (generate_results): Use new function file_summary.
6983 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6985         PR target/89186
6986         * optabs.c (prepare_cmp_insn): Pass x and y to
6987         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
6989 2019-02-05  Richard Biener  <rguenther@suse.de>
6991         PR middle-end/89150
6992         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
6993         (struct bitmap_element): Drop chain_prev so we properly recurse on
6994         the prev member, supporting tree views.
6995         (struct bitmap_head): GTY skip the obstack member.
6997 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
6999         PR c/88698
7000         * doc/extend.texi (Vector Extensions): Add an example of using vector
7001         types together with x86 intrinsics.
7003 2019-02-04  Alan Modra  <amodra@gmail.com>
7005         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7006         str[] size to 160, and comment.
7008 2019-02-04  Alan Modra  <amodra@gmail.com>
7010         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7011         (rs6000_pltseq_template): Guard output of TLS markers with
7012         TARGET_TLS_MARKERS.
7013         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7014         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7015         to use inline PLT sequences.
7016         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7017         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7018         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7020 2019-02-04  Martin Liska  <mliska@suse.cz>
7022         PR ipa/88985
7023         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7024         out when ipa_fn_summaries does not contain entry for callee.
7026 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7028         * config/sparc/sparc.h: Remove superfluous blank lines.
7029         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7030         (got_register_rtx): ...this.
7031         (sparc_got): Adjust to above renaming.
7032         (sparc_tls_got): Likewise.
7033         (sparc_delegitimize_address): Likewise.
7034         (sparc_output_mi_thunk): Likewise.
7035         (sparc_init_pic_reg): Likewise.
7036         (save_local_or_in_reg_p): Fix test on the GOT register.
7037         (USE_HIDDEN_LINKONCE): Move around.
7038         (get_pc_thunk_name): Likewise.
7039         (gen_load_pcrel_sym): Likewise.
7040         (load_got_register): Likewise.
7042 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7044         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7045         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7047 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7049         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7050         into consideration.
7052 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7054         * config.gcc (with_nds32_lib, glibc):
7055         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7056         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7057         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7059 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7061         PR target/89071
7062         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7063         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7064         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7065         (*rcpsf2_sse): Ditto.
7066         (*rsqrtsf2_sse): Ditto.
7067         (sse4_1_round<mode<2): Ditto.
7069 2019-02-03  Richard Biener  <rguenther@suse.de>
7071         PR debug/87295
7072         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7073         orig.
7075 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7077         PR middle-end/87887
7078         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7079         Punt with warning on aggregate return or argument types.  Ignore
7080         type/mode checking for uniform arguments.
7082 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7084         * combine.c (try_combine): Do not print "Can't combine" messages unless
7085         printing failed combination attempts.
7087 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7089         PR hsa/87863
7090         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7091         segment and global segment variables before making them static.
7093 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7095         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7096         missed optimization dump with dump_enabled_p.
7098 2019-02-01  Richard Biener  <rguenther@suse.de>
7100         PR middle-end/88597
7101         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7102         the instantiate cache.
7103         (instantiate_scev_binary): Elide second operand procesing
7104         if equal to the first.
7105         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7106         (chrec_contains_undetermined): Likewise.
7107         (tree_contains_chrecs): Likewise.
7109 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7111         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7113 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7115         PR tree-optimization/89143
7116         * wide-int-range.h (wide_int_range_absu): Declare.
7117         * wide-int-range.cc (wide_int_range_absu): New function.
7118         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7120         PR tree-optimization/88107
7121         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7122         instead of assertion that eh_region_outermost is non-NULL, if it
7123         is NULL, set *ALL to true and return NULL.
7124         (move_sese_region_to_fn): Adjust caller, if all is set, call
7125         duplicate_eh_regions with NULL region.
7127 2019-02-01  Richard Biener  <rguenth@suse.de>
7129         PR rtl-optimization/88593
7130         * mode-switching.c (optimize_mode_switching): Free dominators before
7131         calling cleanup_cfg.
7133 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7135         PR tree-optimization/88932
7136         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7138 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7140         PR middle-end/89137
7141         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7142         bogus clang warning.
7144 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7146         PR target/89071
7147         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7148         alternative to avoid partial SSE register stall for TARGET_AVX.
7149         (truncdfsf2): Ditto.
7150         (sse4_1_round<mode>2): Ditto.
7152 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7154         PR tree-optimization/89008
7155         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7156         process anything of the form X * 0.
7158 2019-01-31  Richard Biener  <rguenther@suse.de>
7160         PR tree-optimization/89135
7161         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7162         with abnormal preds.
7164 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7166         PR sanitizer/89124
7167         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7168         always_inline callees into no_sanitize_address callers.
7170 2019-01-31  Richard Biener  <rguenther@suse.de>
7172         PR rtl-optimization/89115
7173         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7175 2019-01-30  Martin Sebor  <msebor@redhat.com>
7177         PR other/89106
7178         * doc/extend.texi (cast to a union): Correct and expand.
7180 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
7182         PR rtl-optimization/87246
7183         * lra-constraints.c (simplify_operand_subreg): Reload memory
7184         in subreg if the address became invalid.
7186 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
7188         PR target/87064
7189         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7190         Disable for little-endian.
7192 2019-01-30  Richard Biener  <rguenther@suse.de>
7194         PR rtl-optimization/89115
7195         * opts.c (default_options_optimization): Reduce
7196         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7197         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7198         to the default.
7200 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7202         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7203         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
7204         type of vector element when vec_extract is implemented by direct
7205         move.
7207 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
7209         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7211 2019-01-30  Richard Biener  <rguenther@suse.de>
7213         PR tree-optimization/89111
7214         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7215         canonicalization to appropriately sized access types.
7217 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
7219         PR c++/89105
7220         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7221         for arguments to functions that are TU-local and shouldn't be
7222         referenced by assembly.
7224 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
7226         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7227         after '='.
7229 2019-01-29  Martin Sebor  <msebor@redhat.com>
7231         PR c/88956
7232         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7234 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
7236         PR c++/66676
7237         PR ipa/89104
7238         * omp-simd-clone.c (simd_clone_clauses_extract)
7239         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7240         OMP_CLAUSE_ALIGNED_ALIGNMENT.
7242 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
7244         * config.gcc: Force .init_array for ARC.
7246 2019-01-29  Richard Biener  <rguenther@suse.de>
7248         PR debug/87295
7249         * dwarf2out.c (collect_skeleton_dies): New helper.
7250         (copy_decls_for_unworthy_types): Call it.
7251         (build_abbrev_table): Assert we do not try to replace
7252         DW_AT_signature refs with local refs.
7254 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7256         PR middle-end/89002
7257         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7258         for lastprivate/linear IV, push gimplify context around gimplify_assign
7259         and, if it needed any temporaries, pop it into a gimple bind around the
7260         sequence.
7262 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7264         * common.opt (-Wattribute-alias): Remove "no-" from name.
7265         Make -Wattribute-alias command line option and
7266         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7268 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7270         PR target/89073
7271         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7272         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7273         x86 ISA options.
7274         (bmi2): Add missing @opindex.
7275         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7276         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
7277         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7278         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7279         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7280         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7281         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7282         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7283         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7284         xsavec, xsaveopt and xsaves options.
7286 2019-01-28  Richard Biener  <rguenther@suse.de>
7288         PR debug/89076
7289         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7290         support removal.
7292 2019-01-28  Richard Biener  <rguenther@suse.de>
7294         PR tree-optimization/88739
7295         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7296         BIT_FIELD_REFs only are applied to mode-precision operands
7297         when they are integral.
7298         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7299         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7300         BIT_FIELD_REFs of non-mode-precision integral operands.
7302 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7304         PR target/87214
7305         * config/i386/sse.md
7306         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7307         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7308         first constants in pairs are multiples of 2.  Formatting fixes.
7309         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7310         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7311         first constants in each quadruple are multiples of 4.  Formatting fixes.
7313 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7315         PR ipa/88933
7316         * tree-inline.c: Include tree-cfgcleanup.h.
7317         (delete_unreachable_blocks_update_callgraph): Move...
7318         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7319         ...here, make externally visible, make second argument bool, adjust
7320         all callers.
7321         * tree-cfgcleanup.c: Include cgraph.h.
7322         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7323         Declare.
7324         * ipa-prop.c: Include tree-cfgcleanup.h.
7325         (ipcp_transform_function): Call
7326         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7328 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7330         PR rtl-optimization/88846
7331         * ira.c (process_set_for_memref_referenced_p): New.
7332         (memref_referenced_p): Add new param.  Use
7333         process_set_for_memref_referenced_p.  Add new switch cases.
7334         (memref_used_between_p): Pass new arg to memref_referenced_p.
7336 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7338         PR target/88469
7339         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7340         argument ABI_BREAK.  Set to true if the calculated alignment has
7341         changed in gcc-9.  Check bit-fields for their base type alignment.
7342         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7343         (aarch64_function_arg_boundary): Likewise.
7344         (aarch64_gimplify_va_arg_expr): Likewise.
7346 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7348         PR middle-end/89037
7349         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7350         instead of accessing TREE_INT_CST_ELT directly.
7352 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7354         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7355         fenv_exceptions description.
7357 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7359         PR rtl-optimization/87763
7360         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7361         Allow SUBREG when matching CC_NZmode compare.
7363 2019-01-25  Richard Biener  <rguenther@suse.de>
7365         PR tree-optimization/89049
7366         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7367         Look at the pattern stmt to determine if the stmt is vectorized.
7369 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7371         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7372         (pred_mov<mode>): Handle all-register forms using both a new
7373         alternative and a split.
7375 2019-01-25  Richard Biener  <rguenther@suse.de>
7377         PR tree-optimization/86865
7378         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7379         Reject non-do-while loops.
7381 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7383         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7384         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7385         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7386         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7387         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7388         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7389         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7390         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7391         vlogical_operand, gpc_reg_operand, int_reg_operand,
7392         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7393         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7394         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7395         (save_world_operation, restore_world_operation, lmw_operation,
7396         stmw_operation): Use MEM_P and REG_P.
7397         (tie_operand): Use MEM_P.
7398         (vrsave_operation, crsave_operation): Use REG_P.
7399         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7400         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7401         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7402         (call_operand): Use HARD_REGISTER_P.
7403         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7404         Use CONST_INT_P.
7405         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7406         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7407         quad_aligned_load_p, replace_swapped_aligned_store,
7408         recombine_lvx_pattern, replace_swapped_aligned_load,
7409         recombine_stvx_pattern): Use MEM_P.
7410         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7411         Use MEM_P and SYMBOL_REF_P.
7412         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7413         (insn_is_swappable_p): Use REG_P and MEM_P.
7414         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7415         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7416         Use CONST_INT_P.
7417         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7418         Use CONST_DOUBLE_P.
7419         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7420         CONST_WIDE_INT_P.
7421         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7422         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7423         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7424         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7425         reg_or_subregno:
7426         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7427         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7428         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7429         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7430         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7431         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7432         rs6000_split_logical_di): Use CONST_INT_P.
7433         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7434         REG_P and SYMBOL_REF_P.
7435         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7436         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7437         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7438         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7439         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7440         (small_data_operand, print_operand_address): Use CONST_INT_P and
7441         SYMBOL_REF_P.
7442         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7443         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7444         Use HARD_REGISTER_NUM_P.
7445         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7446         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7447         SUBREG_P and SYMBOL_REF_P.
7448         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7449         and HARD_REGISTER_NUM_P.
7450         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7451         reg_or_subregno.
7452         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7453         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7454         MEM_P and REG_P.
7455         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7456         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7457         find_addr_reg): Use REG_P.
7458         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7459         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7460         (offsettable_ok_by_alignment, constant_pool_expr_p,
7461         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7462         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7463         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7464         rs6000_assemble_integer, create_TOC_reference,
7465         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7466         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7467         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7468         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7469         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7470         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7471         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7472         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7473         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7474         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7475         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7476         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7477         and cbranch<mode>4): Use CONST_INT_P.
7478         (multiple define_splits): Use REG_P and SUBREG_P.
7479         (define_expands call, call_value): Use MEM_P.
7480         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7481         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7482         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7483         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7484         and HARD_REGISTER_NUM_P.
7485         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7487 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7489         PR rtl-optimization/88948
7490         * rtl.h (prepare_copy_insn): New prototype.
7491         * gcse.c (prepare_copy_insn): New function, split out from
7492         process_insert_insn.
7493         (process_insert_insn): Use prepare_copy_insn.
7494         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7495         instead of gen_move_insn.
7497 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7499         PR debug/89006
7500         * config/i386/i386.c (ix86_pic_register_p): Return true for
7501         UNSPEC_SET_GOT too.
7503         PR tree-optimization/88964
7504         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7505         punt if HONOR_SNANS (chrec).
7507         PR middle-end/89015
7508         * tree-nested.c (convert_nonlocal_reference_stmt,
7509         convert_local_reference_stmt, convert_tramp_reference_stmt,
7510         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7511         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7512         or GIMPLE_OMP_TASK.
7514         PR tree-optimization/89027
7515         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7516         for "omp simd array" variables.
7518 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7520         PR target/88469
7521         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7522         force the alignment of m_val.
7524 2019-01-24  Richard Biener  <rguenther@suse.de>
7526         PR lto/87187
7527         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7528         When in "legacy" debug mode make sure to reset self-origins.
7530 2019-01-24  Martin Liska  <mliska@suse.cz>
7532         PR gcov-profile/88994
7533         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7534         result will be always smaller or equal to the original.
7535         * gcov.c (mangle_name): Fix else branch where we should
7536         also copy to PTR and shift the pointer.
7538 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7540         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7541         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7543 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
7545         * common/config/i386/i386-common.c
7546         (OPTION_MASK_ISA_ENQCMD_SET,
7547         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
7548         (ix86_handle_option): Handle -menqcmd.
7549         * config.gcc (enqcmdintrin.h): New header file.
7550         * config/i386/cpuid.h (bit_ENQCMD): New bit.
7551         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
7552         -menqcmd.
7553         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
7554         function type.
7555         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
7556         __builtin_ia32_enqcmds): New builtins.
7557         * config/i386/i386-c.c (__ENQCMD__): New macro.
7558         * config/i386/i386-option.c (ix86_target_string): Add
7559         -menqcmd.
7560         (ix86_valid_target_attribute_inner_p): Likewise.
7561         * config/i386/i386-expand.c
7562         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
7563         IX86_BUILTIN_ENQCMDS.
7564         * config/i386/i386.h (TARGET_ENQCMD): New.
7565         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
7566         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
7567         (movdir64b_<mode>): Parameterize to enable share expansion code
7568         with ENQCMD in function ix86_expand_builtin.
7569         * config/i386/i386.opt: Add -menqcmd.
7570         * config/i386/immintrin.h: Include enqcmdintrin.h.
7571         * config/i386/enqcmdintrin.h: New intrinsic file.
7572         * doc/invoke.texi: Add -menqcmd.
7574 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7575             Steve Ellcey <sellcey@marvell.com>
7577         PR target/85711
7578         * recog.c (address_operand): Return false on wrong mode for address.
7579         (constrain_operands): Check for mode with 'p' constraint.
7581 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7583         PR target/88998
7584         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7585         Disparage MMX alternative.
7586         (sse2_cvtpd2pi): Ditto.
7587         (sse2_cvttpd2pi): Ditto.
7589 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7591         PR driver/89014
7592         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7593         use-after-free of the result of
7594         aarch64_get_extension_string_for_isa_flags.
7596 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7598         PR c/44715
7599         * doc/extend.texi: Document break and continue behavior in
7600         statement expressions.
7602 2019-01-23  Richard Biener  <rguenther@suse.de>
7604         PR tree-optimization/89008
7605         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7606         not leave another stray operand.
7608 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7610         * BASE-VER: Bump to 9.0.1.
7612 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7614         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7615         thunk that returns by reference, use the type of the return object
7616         of the thunk instead of that of the alias to build the dereference.
7618 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7620         * config/arc/atomic.md: Add operand to DMB instruction.
7622 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7624         PR tree-optimization/88964
7625         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7626         build_zero_cst instead of build_int_cst.  Return false for loop
7627         invariants which honor signed zeros.
7629 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7631         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7633 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7635         PR target/88965
7636         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7637         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7638         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7640         PR middle-end/88968
7641         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7642         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7644         PR target/87064
7645         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7646         Disable for little endian.
7648 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7650         PR target/88469
7651         * config/arm/arm.c (arm_needs_double_word_align): Check
7652         DECL_BIT_FIELD_TYPE.
7654 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
7655             H.J. Lu  <hongjiu.lu@intel.com>
7657         PR target/88909
7658         * config/i386/i386-builtin.def: Add mask2 to all builtin
7659         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
7660         SPECIAL_ARGS.
7661         * config/i386/i386.c (BDESC): Add mask2 to the definition.
7662         (BDESC_FIRST): Likewise.
7663         (define_builtin): Add an argument for mask2.  Updated to handle
7664         both ix86_isa_flags and ix86_isa_flags2.
7665         (define_builtin_const): Likewise.
7666         (define_builtin_pure): Likewise.
7667         (define_builtin2): Deleted.
7668         (define_builtin_const2): Likewise.
7669         (builtin_description): Add a member, mask2.
7670         (bdesc_*): Add mask2 to builtin initializations.
7671         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
7672         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
7673         support.
7674         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
7676 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7678         PR target/88954
7679         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
7680         noplt attribute.
7682 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7684         PR target/88469
7685         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
7686         alignment is dominated by a bitfield with 64-bit aligned base type.
7687         (arm_function_arg): Emit a warning if the alignment has changed since
7688         earlier GCC releases.
7689         (arm_function_arg_boundary): Likewise.
7690         (arm_setup_incoming_varargs): Likewise.
7692 2019-01-22  Richard Biener  <rguenther@suse.de>
7694         PR tree-optimization/88862
7695         * graphite-scop-detection.c
7696         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
7698 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
7700         * doc/extend.tex (AMD GCN Function Attributes): New section.
7701         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
7702         * doc/invoke.texi (AMD GCN Options): New section.
7703         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
7705 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7707         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
7708         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
7710 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7712         PR tree-optimization/88044
7713         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
7714         is false in the first iteration, but !every_iteration, return false
7715         instead of true with niter->niter zero.
7717         PR rtl-optimization/88904
7718         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
7719         any nonequal registers before processing BB_END (b).
7721         PR target/88905
7722         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
7723         GET_MODE (op0).
7724         (expand_binop_directly, expand_doubleword_clz,
7725         expand_doubleword_popcount, expand_ctz, expand_ffs,
7726         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
7728         PR rtl-optimization/49429
7729         PR target/49454
7730         PR rtl-optimization/86334
7731         PR target/88906
7732         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
7733         addressable from here...
7734         (emit_block_op_via_libcall): ... to here.
7736 2019-01-22  Richard Biener  <rguenther@suse.de>
7738         * tree-vect-loop.c (vect_analyze_loop_operations): Use
7739         auto_vec for cost vector to fix memleak.
7740         (vectorize_fold_left_reduction): Properly gather SLP defs.
7741         (vectorizable_comparison): Do not swap operands to properly
7742         gather SLP defs.
7744 2019-01-22  Alan Modra  <amodra@gmail.com>
7746         PR target/88614
7747         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
7748         stays a reg.  Allow a const_int.
7749         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
7750         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
7751         (IS_NOMARK_TLSGETADDR): Define.
7752         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
7753         (rs6000_output_tlsargs): New function.
7754         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
7755         __tls_get_addr call takes an arg.
7756         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
7757         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
7758         delete split..
7759         (call_value_nonlocal_sysv): ..or here, delete split.
7760         (tls_gdld_nomark): Delete.
7761         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
7762         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
7763         (call_value_nonlocal_sysv): Likewise.
7764         (call_value_nonlocal_sysv_secure): Likewise.
7765         (call_value_nonlocal_aix): Likewise.
7766         (call_value_indirect_aix): Likewise.
7767         (call_value_indirect_elfv2): Likewise.
7768         (call_value_local32, call_value_local64): Disable for no-mark tls.
7769         (call_value_local_aix): Likewise.
7771 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
7773         PR target/88938
7774         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
7775         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
7777 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
7779         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
7780         string contents as hash_map keys.
7782 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7784         PR c/88928
7785         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
7786         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
7787         instead of TYPE_ALIGN.
7788         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
7789         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
7790         pointer from TYPE_STUB_DECL.
7792 2019-01-21  Richard Biener  <rguenther@suse.de>
7794         PR tree-optimization/88934
7795         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
7796         at the possibly non-constant operand.
7797         (vect_get_constant_vectors): Adjust.
7799 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
7801         PR target/71659
7802         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
7803         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
7804         instead of _X86INTRIN_H_INCLUDED.
7805         * onfig/i386/clwbintrin.h: Likewise.
7806         * config/i386/pkuintrin.h: Likewise.
7807         * config/i386/prfchwintrin.h: Likewise.
7808         * config/i386/rdseedintrin.h: Likewise.
7809         * config/i386/wbnoinvdintrin.h: Likewise.
7810         * config/i386/xsavecintrin.h: Likewise.
7811         * config/i386/xsavesintrin.h: Likewise.
7812         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
7813         * config/i386/xsaveintrin.h: Likewise.
7814         * config/i386/xsaveoptintrin.h: Likewise.
7815         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
7816         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
7817         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
7818         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
7819         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
7820         * config/i386/immintrin.h: Here.
7822 2019-01-20  Martin Jambor  <mjambor@suse.cz>
7824         PR ipa/87615
7825         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
7826         with aa_walk_budget.
7827         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
7828         aa_walk_budget_p parameter.
7829         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
7830         walk.  Updated all callers.
7831         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
7832         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
7833         unmodified_parm.
7834         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
7835         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
7836         and to unmodified_parm.
7837         (phi_result_unknown_predicate): New parameter fbi, removed parameter
7838         info, updated call to will_be_nonconstant_expr_predicate.
7839         (param_change_prob): New parameter fbi, limit AA walking.
7840         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
7841         calls to various above functions.
7842         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
7843         parameter.  Use it to limit AA walking.
7844         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
7845         fbi, limit AA walk.
7846         (detect_type_change): New parameter fbi, pass it on to
7847         detect_type_change_from_memory_writes.
7848         (detect_type_change_ssa): Likewise.
7849         (aa_overwalked): Removed.
7850         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
7851         accordingly, adjust to the neew AA limiting scheme.
7852         (parm_ref_data_preserved_p): Likewise.
7853         (ipa_compute_jump_functions_for_edge): Adjust call to
7854         get_dynamic_type.
7855         (ipa_analyze_call_uses): Likewise.
7856         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
7857         (ipa_analyze_node): Initialize aa_walk_budget.
7858         (ipcp_transform_function): Likewise.
7859         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
7860         to get_dynamic_type.
7862 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
7864         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
7865         outside of #if CHECKING_P code.
7867 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
7869         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
7870         New function, split out from...
7871         (loop_versioning::analyze_stride): ...here.
7872         (loop_versioning::find_per_loop_multiplication): Use gassign.
7873         (loop_versioning::analyze_term_using_scevs): Return a success code.
7874         (loop_versioning::analyze_arbitrary_term): New function.
7875         (loop_versioning::analyze_address_fragment): Use
7876         analyze_arbitrary_term if all else fails.
7878 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
7880         PR target/88892
7881         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
7882         operands.
7884 2019-01-18  Richard Biener  <rguenther@suse.de>
7886         PR tree-optimization/88903
7887         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
7888         scalar stmts a SLP shift amount is composed of when detecting
7889         shifts by scalars.
7891 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
7893         PR target/88799
7894         * config/arm/arm-cpus.in (mp): New feature.
7895         (sec): New feature.
7896         (fgroup ARMv7ve): Add mp and sec features.
7897         (arch armv7-a): Add options to allow mp and sec extensions.
7898         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
7899         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
7900         extenstions to the base architecture.
7901         (cpu cortex-a8): Add sec extension to the base architecture.
7902         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
7903         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
7904         variants down to the base v7-a varaint.
7905         * config/arm/t-multilib (v7_a_arch_variants): New variable.
7906         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
7907         of permitted extensions for -march=armv7-a and for
7908         -mcpu=generic-armv7-a.
7910 2019-01-18  Martin Liska  <mliska@suse.cz>
7912         * params.def: Fix comment.
7913         * tree-profile.c (gimple_init_gcov_profiler): Bump function
7914         name.
7915         (gimple_gen_ic_func_profiler): Likewise.
7917 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7919         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
7920         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
7921         and put in error checks for stack protector guard options.
7922         (aarch64_stack_protect_guard): New.
7923         (TARGET_STACK_PROTECT_GUARD): Define.
7924         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
7925         (reg_stack_protect_address<mode>): New.
7926         (stack_protect_set): Adjust for SSP_GLOBAL.
7927         (stack_protect_test): Likewise.
7928         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
7929         (-mstack-protector-guard): Likewise.
7930         (-mstack-protector-guard-offset): Likewise.
7932 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7934         PR tree-optimization/86214
7935         * tree-inline.h (struct copy_body_data): Add
7936         add_clobbers_to_eh_landing_pads member.
7937         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
7938         (copy_edges_for_bb): Call it if EH edge destination is <
7939         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
7940         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
7941         if flag_stack_reuse != SR_NONE and clear it afterwards.
7943 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
7945         PR target/85596
7946         * doc/install.texi (with-multilib-list): Document for aarch64.
7948 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7950         PR target/88734
7951         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
7952         (("..."))) with ("...").
7954 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7956         * doc/extend.texi (Built-in Functions for Memory Model Aware
7957         Atomic Operations): Document atomic fetch and nand.
7959 2019-01-18  Martin Liska  <mliska@suse.cz>
7960             Richard Biener  <rguenther@suse.de>
7962         PR middle-end/88587
7963         * cgraph.h (create_version_clone_with_body): Add new argument
7964         with attributes.
7965         * cgraphclones.c (cgraph_node::create_version_clone): Add
7966         DECL_ATTRIBUTES to a newly created decl.  And call
7967         valid_attribute_p so that proper cl_target_optimization_node
7968         is set for the newly created declaration.
7969         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
7970         for declaration.
7971         (expand_target_clones): Do not call valid_attribute_p, it must
7972         be already done.
7973         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
7974         vector types.
7976 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7978         PR target/88734
7979         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
7980         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
7981         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
7983 2019-01-17  Martin Sebor  <msebor@redhat.com>
7985         PR middle-end/88273
7986         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
7987         Handle anti-ranges the same as no range at all.
7989 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
7991         * config/aarch64/aarch64.c (cgraph.h): New include.
7992         (intl.h): New include.
7993         (supported_simd_type): New function.
7994         (currently_supported_simd_type): Ditto.
7995         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
7996         (aarch64_simd_clone_adjust): Ditto.
7997         (aarch64_simd_clone_usable): Ditto.
7998         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
7999         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8000         (TARGET_SIMD_CLONE_USABLE): Ditto.
8001         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8002         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8003         call.
8005 2019-01-17  Martin Sebor  <msebor@redhat.com>
8007         PR tree-optimization/88800
8008         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8009         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8010         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8011         redundant argument.  Add new argument and issue diagnostics under
8012         its control.  Detect out-of-bounds access even with warnings
8013         disabled.
8014         (check_bounds_or_overlap): Change return type.  Add argument.
8015         (wrestrict_dom_walker::check_call): Adjust.
8016         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8017         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8018         check_bounds_or_overlap's return value.
8019         (handle_builtin_stxncpy): Same.
8020         (handle_builtin_strcat): Same.
8022 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8023             Kwok Cheung Yeung  <kcy@codesourcery.com>
8024             Julian Brown  <julian@codesourcery.com>
8025             Tom de Vries  <tom@codesourcery.com>
8027         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8029 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8031         * doc/sourcebuild.texi: Document dg-require-effective-target
8032         llvm_binutils and offload_gcn.
8034 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8035             Kwok Cheung Yeung  <kcy@codesourcery.com>
8036             Julian Brown  <julian@codesourcery.com>
8037             Tom de Vries  <tom@codesourcery.com>
8039         * doc/sourcebuild.texi: Document dg-required-effective-target
8040         exceptions.
8042 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8043             Kwok Cheung Yeung  <kcy@codesourcery.com>
8044             Julian Brown  <julian@codesourcery.com>
8045             Tom de Vries  <tom@codesourcery.com>
8046             Jan Hubicka  <hubicka@ucw.cz>
8047             Martin Jambor  <mjambor@suse.cz>
8049         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8050         * configure.ac: Check for dlopen.
8051         * configure: Regenerate.
8053 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8054             Kwok Cheung Yeung  <kcy@codesourcery.com>
8055             Julian Brown  <julian@codesourcery.com>
8056             Tom de Vries  <tom@codesourcery.com>
8057             Jan Hubicka  <hubicka@ucw.cz>
8058             Martin Jambor  <mjambor@suse.cz>
8060         * common/config/gcn/gcn-common.c: New file.
8061         * config/gcn/driver-gcn.c: New file.
8062         * config/gcn/gcn-builtins.def: New file.
8063         * config/gcn/gcn-hsa.h: New file.
8064         * config/gcn/gcn-modes.def: New file.
8065         * config/gcn/gcn-opts.h: New file.
8066         * config/gcn/gcn-passes.def: New file.
8067         * config/gcn/gcn-protos.h: New file.
8068         * config/gcn/gcn-run.c: New file.
8069         * config/gcn/gcn-tree.c: New file.
8070         * config/gcn/gcn.c: New file.
8071         * config/gcn/gcn.h: New file.
8072         * config/gcn/gcn.opt: New file.
8073         * config/gcn/t-gcn-hsa: New file.
8075 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8076             Kwok Cheung Yeung  <kcy@codesourcery.com>
8077             Julian Brown  <julian@codesourcery.com>
8078             Tom de Vries  <tom@codesourcery.com>
8079             Jan Hubicka  <hubicka@ucw.cz>
8080             Martin Jambor  <mjambor@suse.cz>
8082         * config/gcn/constraints.md: New file.
8083         * config/gcn/gcn-valu.md: New file.
8084         * config/gcn/gcn.md: New file.
8085         * config/gcn/predicates.md: New file.
8087 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8089         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8090         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8091         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8092         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8094 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8096         PR target/88851
8097         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8098         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8099         it and document registers.
8101 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8103         * config/aarch64/aarch64.c (ares_tunings): Define.
8104         * config/aarch64/aarch64-cores.def (ares): Use the above.
8106 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8108         PR target/88794
8109         Revert:
8110         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8112         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8113         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8114         (_mm512_maskz_fixupimm_round_pd): Ditto.
8115         (_mm512_fixupimm_round_ps): Ditto.
8116         (_mm512_maskz_fixupimm_round_ps): Ditto.
8117         (_mm_fixupimm_round_sd): Ditto.
8118         (_mm_maskz_fixupimm_round_sd): Ditto.
8119         (_mm_fixupimm_round_ss): Ditto.
8120         (_mm_maskz_fixupimm_round_ss): Ditto.
8121         (_mm512_fixupimm_pd): Ditto.
8122         (_mm512_maskz_fixupimm_pd): Ditto.
8123         (_mm512_fixupimm_ps): Ditto.
8124         (_mm512_maskz_fixupimm_ps): Ditto.
8125         (_mm_fixupimm_sd): Ditto.
8126         (_mm_maskz_fixupimm_sd): Ditto.
8127         (_mm_fixupimm_ss): Ditto.
8128         (_mm_maskz_fixupimm_ss): Ditto.
8129         (_mm512_mask_fixupimm_round_pd): Update builtin.
8130         (_mm512_mask_fixupimm_round_ps): Ditto.
8131         (_mm_mask_fixupimm_round_sd): Ditto.
8132         (_mm_mask_fixupimm_round_ss): Ditto.
8133         (_mm512_mask_fixupimm_pd): Ditto.
8134         (_mm512_mask_fixupimm_ps): Ditto.
8135         (_mm_mask_fixupimm_sd): Ditto.
8136         (_mm_mask_fixupimm_ss): Ditto.
8137         * config/i386/avx512vlintrin.h:
8138         (_mm256_fixupimm_pd): Update parameters and builtin.
8139         (_mm256_maskz_fixupimm_pd): Ditto.
8140         (_mm256_fixupimm_ps): Ditto.
8141         (_mm256_maskz_fixupimm_ps): Ditto.
8142         (_mm_fixupimm_pd): Ditto.
8143         (_mm_maskz_fixupimm_pd): Ditto.
8144         (_mm_fixupimm_ps): Ditto.
8145         (_mm_maskz_fixupimm_ps): Ditto.
8146         (_mm256_mask_fixupimm_pd): Update builtin.
8147         (_mm256_mask_fixupimm_ps): Ditto.
8148         (_mm_mask_fixupimm_pd): Ditto.
8149         (_mm_mask_fixupimm_ps): Ditto.
8150         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8151         * config/i386/i386-builtin.def: Update builtin definitions.
8152         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8153         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8154         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8155         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8156         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8157         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8158         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8159         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8160         * config/i386/subst.md:
8161         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8162         (round_saeonly_sd_mask_op4): Ditto.
8163         (round_saeonly_expand_operand5): Ditto.
8164         (round_saeonly_expand): Update.
8166 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8168         PR target/88794
8169         Revert:
8170         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8172         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8173         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8174         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8175         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8176         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8177         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8178         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8180 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8182         PR target/88794
8183         Revert:
8184         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
8186         PR target/88489
8187         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8188         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8189         instead of UNSPEC_FIXUPIMM.
8191 2019-01-17  Richard Biener  <rguenther@suse.de>
8193         PR lto/86736
8194         * dwarf2out.c (want_pubnames): Never generate pubnames sections
8195         and friends for the LTO part of debug info.
8197 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8199         PR tree-optimization/86214
8200         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8201         if x == y.
8203         PR rtl-optimization/88870
8204         * dce.c (deletable_insn_p): Never delete const/pure calls that can
8205         throw if we can't alter the cfg or delete dead exceptions.
8206         (mark_insn): Don't call find_call_stack_args for such calls.
8208 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
8210         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8211         prototypes for vec_st.
8212         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8213         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8214         mainly on signed/unsigned long long and double.
8216 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
8218         PR target/88861
8219         * combine.c (delete_noop_moves): Convert to "bool" return,
8220         returning true if any edges are eliminated.
8221         (combine_instructions): Also return true if delete_noop_moves
8222         returns true.
8224 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8226         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8227         correct max nunits for endian swap.
8228         (aarch64_expand_fcmla_builtin): Correct subreg code.
8229         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8230         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8231         lane endianness.
8233 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
8235         * config/alpha/alpha.c (alpha_gimplify_va_arg):
8236         Handle split indirect COMPLEX_TYPE arguments.
8238 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
8240         PR target/86891
8241         * config/aarch64/aarch64-modes.def: Add comment about how the carry
8242         bit is set by add and compare.
8243         (CC_ADC): New CC_MODE.
8244         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8245         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
8246         comparison.  Add detection for CC_ADCmode.
8247         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
8248         CC_ADCmode.
8249         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8250         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8251         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
8252         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
8253         to eliminate the need for zero-extending the operands.
8254         (add<mode>3_compareC_imm): Delete.  Merge into ...
8255         (add<mode>3_compareC): ... this.  Restructure the comparison to
8256         eliminate the need for zero-extending the operands.
8257         (add<mode>3_carryin): Use LTU for the overflow detection.
8258         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8259         Reexpress comparison for overflow.
8260         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8261         (add<mode>3_carryinC): Likewise.
8262         (add<mode>3_carryinV): Use LTU for carry between partials.
8263         * config/aarch64/predicates.md (aarch64_carry_operation): Update
8264         handling of CC_Cmode and add CC_ADCmode.
8265         (aarch64_borrow_operation): Likewise.
8267 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8269         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8270         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8271         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8272         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8274 2019-01-16  Martin Liska  <mliska@suse.cz>
8276         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8277         for GCC driver.
8278         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8279         a new argument.
8280         * gcc.c (add_sysrooted_hdrs_prefix): New function.
8281         (path_prefix_reset): Move up in the source file.
8282         (find_fortran_preinclude_file): Make complex search for the
8283         fortran header files.
8285 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
8287         * godump.c (go_output_typedef): When outputting a typedef, refer
8288         to the underlying type by its name and not its structure.
8290 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
8292         PR c++/88795
8293         * tree.c (build_function_type): Assert that arg_types is not
8294         error_mark_node.
8296 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8298         PR inline-asm/52813
8299         * doc/extend.texi: Document that listing the stack pointer in the
8300         clobber list of an asm is a deprecated feature.
8301         * common.opt (Wdeprecated): Moved from c-family/c.opt.
8302         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8303         warning instead of an error for clobbers of the stack pointer.
8304         Add a note explaining why.
8306 2019-01-15  Richard Biener  <rguenther@suse.de>
8308         PR debug/88046
8309         * dwarf2out.c (gen_member_die): Do not generate inheritance
8310         DIEs late.
8312 2019-01-15  Richard Biener  <rguenther@suse.de>
8314         PR tree-optimization/88855
8315         * tree-if-conv.c (combine_blocks): Collect
8316         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8318 2019-01-15  Tom de Vries  <tdevries@suse.de>
8320         PR target/80547
8321         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8322         lhs == NULL_TREE for gang-level reduction.
8324 2019-01-15  Richard Biener  <rguenther@suse.de>
8325             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8327         PR ipa/88788
8328         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8329         return true if SSA_NAME is already marked in visited bitmap.
8330         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8332 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8334         PR tree-optimization/88775
8335         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8336         equal == 0 equality pointer comparisons some more if compared in
8337         integral types and either one points to an automatic var and the
8338         other to a global, or we can prove at least one points to the middle
8339         or both point to start or both point to end.
8341 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8343         * Makefile.in: Lower autofdo sampling rate by 10x.
8344         * Makefile.tpl: Dito.
8346 2019-01-14  Tom Honermann  <tom@honermann.net>
8348         * defaults.h: Define CHAR8_TYPE.
8350 2019-01-14  Martin Sebor  <msebor@redhat.com>
8352         PR target/88638
8353         * doc/extend.texi (Darwin Format Checks): Clarify.
8355 2019-01-14  Richard Biener  <rguenther@suse.de>
8357         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8358         whether we are in (simplify ...) or (match ...) context.
8360 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8362         PR rtl-optimization/88796
8363         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8364         * cfgexpand.c (stack_protect_prologue): Initialize
8365         crtl->stack_protect_guard_decl.
8366         * function.c (stack_protect_epilogue): Use it instead of calling
8367         targetm.stack_protect_guard again.
8368         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8369         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8370         crtl->stack_protect_guard_decl.
8371         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8372         on the returned MEM_EXPR.
8374 2019-01-12  Tom de Vries  <tdevries@suse.de>
8376         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8377         vector length using -fopenacc-dim.
8379 2019-01-12  Tom de Vries  <tdevries@suse.de>
8381         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8382         lengths into account.
8384 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8386         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8387         (TARGET_CAN_SPLIT_STACK): Define.
8388         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8390 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8392         * params.def (inline-unit-growth): Set to 40.
8394 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8396         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8398 2019-01-12  Tom de Vries  <tdevries@suse.de>
8400         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8401         region calling vector-partitionable routine, set default_vector_length
8402         to WARP_SIZE.
8404 2019-01-12  Tom de Vries  <tdevries@suse.de>
8406         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8407         variable default_vector_length.
8409 2019-01-12  Tom de Vries  <tdevries@suse.de>
8411         PR middle-end/88703
8412         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8413         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8414         dimensions limits.
8416 2019-01-12  Tom de Vries  <tdevries@suse.de>
8418         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8419         (nvptx_goacc_validate_dims): Add used parameter.
8420         * doc/tm.texi: Regenerate.
8421         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8422         argument to call to targetm.goacc.validate_dims.
8423         (default_goacc_validate_dims): Add used
8424         parameter.
8425         * target.def (validate_dims): Add used parameter in DEFHOOK.
8426         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8428 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8430         PR middle-end/85956
8431         PR lto/88733
8432         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8433         field.
8434         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8435         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8436         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8437         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8439 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8441         PR rtl-optimization/87305
8442         * lra-assigns.c
8443         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8444         for little endian pseudos used as paradoxical subreg.
8446 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8448         PR tree-optimization/88693
8449         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8450         for STRING_CSTs that don't contain any NUL characters in the first
8451         TREE_STRING_LENGTH bytes.
8453 2019-01-11  Alan Modra  <amodra@gmail.com>
8455         PR 88777
8456         PR 88614
8457         * genattrtab.c (min_fn): Don't translate values.
8458         (min_attr_value): Return INT_MAX when the value can't be calculated.
8459         Return minimum among any values that can be calculated.
8460         (max_attr_value): Adjust.
8462 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8464         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8466 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8468         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8469         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8470         (aarch64_return_call_with_max_clobbers): New function.
8471         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8472         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8473         argument.
8474         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8475         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8476         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8477         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8478         * cselib.c (cselib_process_insn): Add argument to
8479         targetm.hard_regno_call_part_clobbered call.
8480         * ira-conflicts.c (ira_build_conflicts): Ditto.
8481         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8482         * lra-constraints.c (inherit_reload_reg): Ditto.
8483         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8484         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8485         argument.  Call targetm.return_call_with_max_clobbers.
8486         Add argument to targetm.hard_regno_call_part_clobbered call.
8487         (calls_have_same_clobbers_p): New function.
8488         (process_bb_lives): Add call_insn and last_call_insn variables.
8489         Pass call_insn to check_pseudos_live_through_calls.
8490         Modify if stmt to check targetm.return_call_with_max_clobbers.
8491         Update setting of flush variable.
8492         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8493         to false.
8494         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8495         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8496         targetm.hard_regno_call_part_clobbered call.
8497         * reginfo.c (choose_hard_reg_mode): Ditto.
8498         * regrename.c (check_new_reg_p): Ditto.
8499         * reload.c (find_equiv_reg): Ditto.
8500         * reload1.c (emit_reload_insns): Ditto.
8501         * sched-deps.c (deps_analyze_insn): Ditto.
8502         * sel-sched.c (init_regs_for_mode): Ditto.
8503         (mark_unavailable_hard_regs): Ditto.
8504         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8505         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8506         (return_call_with_max_clobbers): New target function.
8507         * doc/tm.texi: Regenerate.
8508         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8509         * hooks.c (hook_bool_uint_mode_false): Change to
8510         hook_bool_insn_uint_mode_false.
8511         * hooks.h (hook_bool_uint_mode_false): Ditto.
8513 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8515         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8516         (aarch64_remove_extra_call_preserved_regs): New function.
8517         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8518         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8519         * doc/tm.texi: Regenerate.
8520         * final.c (get_call_reg_set_usage): Call new hook.
8521         * target.def (remove_extra_call_preserved_regs): New hook.
8522         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8523         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8525 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8527         PR bootstrap/88714
8528         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8529         inside of pass_combine_1 dump rather than pass_profile_1.
8531 2019-01-11  Tom de Vries  <tdevries@suse.de>
8533         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8534         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8535         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8536         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8537         num_workers 16.
8539 2019-01-11  Tom de Vries  <tdevries@suse.de>
8541         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8543 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8545         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8546         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8547         sse2_cvtsi2sd): Add {l}.
8548         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8549         syntax.
8551 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8553         PR target/88785
8554         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8555         define_expand.
8556         (*float<floatunssuffix>v2div2sf2): New define_insn.
8557         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8558         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8559         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8560         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8561         match_operands with "const0_operand" "C".
8563 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8565         * config/aarch64/aarch64-builtins.c
8566         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8567         (aarch64_init_simd_builtins): ...Here
8569 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8571         PR rtl-optimization/87305
8572         * lra-assigns.c
8573         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8574         allocation for big endian pseudos used as paradoxical subregs and
8575         spill them if it is wrong.
8576         * lra-constraints.c (lra_constraints): Add a comment.
8578 2019-01-10  Richard Biener  <rguenther@suse.de>
8580         PR tree-optimization/88792
8581         * tree-ssa-pre.c (get_representative_for): Do not return a
8582         value-number here.
8584 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8586         PR middle-end/84877
8587         PR bootstrap/88450
8588         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8589         (assign_parm_setup_block): Do the argument slot realignment here
8590         instead.
8592 2019-01-10  Stefan Agner  <stefan@agner.ch>
8594         PR target/88648
8595         * config/arm/arm.c (arm_option_override_internal): Force
8596         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8598 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8600         PR c/88568
8601         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8602         DECL_EXTERNAL.
8604 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8606         * config/arm/arm-builtins.c
8607         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8608         (MAC_LANE_PAIR_QUALIFIERS): New.
8609         (arm_expand_builtin_args): Use it.
8610         (arm_expand_builtin_1): Likewise.
8611         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8612         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8613         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8614         * config/arm/arm_neon.h:
8615         (vcadd_rot90_f16): New.
8616         (vcaddq_rot90_f16): New.
8617         (vcadd_rot270_f16): New.
8618         (vcaddq_rot270_f16): New.
8619         (vcmla_f16): New.
8620         (vcmlaq_f16): New.
8621         (vcmla_lane_f16): New.
8622         (vcmla_laneq_f16): New.
8623         (vcmlaq_lane_f16): New.
8624         (vcmlaq_laneq_f16): New.
8625         (vcmla_rot90_f16): New.
8626         (vcmlaq_rot90_f16): New.
8627         (vcmla_rot90_lane_f16): New.
8628         (vcmla_rot90_laneq_f16): New.
8629         (vcmlaq_rot90_lane_f16): New.
8630         (vcmlaq_rot90_laneq_f16): New.
8631         (vcmla_rot180_f16): New.
8632         (vcmlaq_rot180_f16): New.
8633         (vcmla_rot180_lane_f16): New.
8634         (vcmla_rot180_laneq_f16): New.
8635         (vcmlaq_rot180_lane_f16): New.
8636         (vcmlaq_rot180_laneq_f16): New.
8637         (vcmla_rot270_f16): New.
8638         (vcmlaq_rot270_f16): New.
8639         (vcmla_rot270_lane_f16): New.
8640         (vcmla_rot270_laneq_f16): New.
8641         (vcmlaq_rot270_lane_f16): New.
8642         (vcmlaq_rot270_laneq_f16): New.
8643         (vcadd_rot90_f32): New.
8644         (vcaddq_rot90_f32): New.
8645         (vcadd_rot270_f32): New.
8646         (vcaddq_rot270_f32): New.
8647         (vcmla_f32): New.
8648         (vcmlaq_f32): New.
8649         (vcmla_lane_f32): New.
8650         (vcmla_laneq_f32): New.
8651         (vcmlaq_lane_f32): New.
8652         (vcmlaq_laneq_f32): New.
8653         (vcmla_rot90_f32): New.
8654         (vcmlaq_rot90_f32): New.
8655         (vcmla_rot90_lane_f32): New.
8656         (vcmla_rot90_laneq_f32): New.
8657         (vcmlaq_rot90_lane_f32): New.
8658         (vcmlaq_rot90_laneq_f32): New.
8659         (vcmla_rot180_f32): New.
8660         (vcmlaq_rot180_f32): New.
8661         (vcmla_rot180_lane_f32): New.
8662         (vcmla_rot180_laneq_f32): New.
8663         (vcmlaq_rot180_lane_f32): New.
8664         (vcmlaq_rot180_laneq_f32): New.
8665         (vcmla_rot270_f32): New.
8666         (vcmlaq_rot270_f32): New.
8667         (vcmla_rot270_lane_f32): New.
8668         (vcmla_rot270_laneq_f32): New.
8669         (vcmlaq_rot270_lane_f32): New.
8670         (vcmlaq_rot270_laneq_f32): New.
8671         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
8672         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
8673         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
8674         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
8675         vcmlaq_lane270): New.
8676         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
8677         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
8678         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
8679         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
8680         (arm_option_reconfigure_globals): Use them.
8681         * config/arm/iterators.md (VDF, VQ_HSF): New.
8682         (VCADD, VCMLA): New.
8683         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
8684         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
8685         New.
8686         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
8687         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
8689 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8691         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
8692         Add qualifier_lane_pair_index.
8693         (emit-rtl.h): Include.
8694         (TYPES_QUADOP_LANE_PAIR): New.
8695         (aarch64_simd_expand_args): Use it.
8696         (aarch64_simd_expand_builtin): Likewise.
8697         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
8698         New.
8699         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
8700         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
8701         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
8702         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
8703         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
8704         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
8705         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
8706         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
8707         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
8708         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
8709         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
8710         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
8711         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
8712         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
8713         Add __ARM_FEATURE_COMPLEX.
8714         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
8715         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
8716         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
8717         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
8718         fcmlaq_lane270): New.
8719         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8720         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
8721         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
8722         * config/aarch64/arm_neon.h:
8723         (vcadd_rot90_f16): New.
8724         (vcaddq_rot90_f16): New.
8725         (vcadd_rot270_f16): New.
8726         (vcaddq_rot270_f16): New.
8727         (vcmla_f16): New.
8728         (vcmlaq_f16): New.
8729         (vcmla_lane_f16): New.
8730         (vcmla_laneq_f16): New.
8731         (vcmlaq_lane_f16): New.
8732         (vcmlaq_rot90_lane_f16): New.
8733         (vcmla_rot90_laneq_f16): New.
8734         (vcmla_rot90_lane_f16): New.
8735         (vcmlaq_rot90_f16): New.
8736         (vcmla_rot90_f16): New.
8737         (vcmlaq_laneq_f16): New.
8738         (vcmla_rot180_laneq_f16): New.
8739         (vcmla_rot180_lane_f16): New.
8740         (vcmlaq_rot180_f16): New.
8741         (vcmla_rot180_f16): New.
8742         (vcmlaq_rot90_laneq_f16): New.
8743         (vcmlaq_rot270_laneq_f16): New.
8744         (vcmlaq_rot270_lane_f16): New.
8745         (vcmla_rot270_laneq_f16): New.
8746         (vcmlaq_rot270_f16): New.
8747         (vcmla_rot270_f16): New.
8748         (vcmlaq_rot180_laneq_f16): New.
8749         (vcmlaq_rot180_lane_f16): New.
8750         (vcmla_rot270_lane_f16): New.
8751         (vcadd_rot90_f32): New.
8752         (vcaddq_rot90_f32): New.
8753         (vcaddq_rot90_f64): New.
8754         (vcadd_rot270_f32): New.
8755         (vcaddq_rot270_f32): New.
8756         (vcaddq_rot270_f64): New.
8757         (vcmla_f32): New.
8758         (vcmlaq_f32): New.
8759         (vcmlaq_f64): New.
8760         (vcmla_lane_f32): New.
8761         (vcmla_laneq_f32): New.
8762         (vcmlaq_lane_f32): New.
8763         (vcmlaq_laneq_f32): New.
8764         (vcmla_rot90_f32): New.
8765         (vcmlaq_rot90_f32): New.
8766         (vcmlaq_rot90_f64): New.
8767         (vcmla_rot90_lane_f32): New.
8768         (vcmla_rot90_laneq_f32): New.
8769         (vcmlaq_rot90_lane_f32): New.
8770         (vcmlaq_rot90_laneq_f32): New.
8771         (vcmla_rot180_f32): New.
8772         (vcmlaq_rot180_f32): New.
8773         (vcmlaq_rot180_f64): New.
8774         (vcmla_rot180_lane_f32): New.
8775         (vcmla_rot180_laneq_f32): New.
8776         (vcmlaq_rot180_lane_f32): New.
8777         (vcmlaq_rot180_laneq_f32): New.
8778         (vcmla_rot270_f32): New.
8779         (vcmlaq_rot270_f32): New.
8780         (vcmlaq_rot270_f64): New.
8781         (vcmla_rot270_lane_f32): New.
8782         (vcmla_rot270_laneq_f32): New.
8783         (vcmlaq_rot270_lane_f32): New.
8784         (vcmlaq_rot270_laneq_f32): New.
8785         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
8786         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
8787         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
8788         (FCADD, FCMLA): New.
8789         (rot): New.
8790         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
8792 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8794         PR other/16615
8796         * config/pa/pa.c: Change "can not" to "cannot".
8797         * gimple-ssa-evrp-analyze.c: Likewise.
8798         * ipa-icf.c: Likewise.
8799         * ipa-polymorphic-call.c: Likewise.
8800         * ipa-pure-const.c: Likewise.
8801         * lra-constraints.c: Likewise.
8802         * lra-remat.c: Likewise.
8803         * reload1.c: Likewise.
8804         * reorg.c: Likewise.
8805         * tree-ssa-uninit.c: Likewise.
8807 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8809         PR other/16615
8811         * Makefile.in: Mechanically replace "can not" with "cannot".
8812         * alias.c: Likewise.
8813         * builtins.c: Likewise.
8814         * calls.c: Likewise.
8815         * cgraph.c: Likewise.
8816         * cgraph.h: Likewise.
8817         * cgraphclones.c: Likewise.
8818         * cgraphunit.c: Likewise.
8819         * combine-stack-adj.c: Likewise.
8820         * combine.c: Likewise.
8821         * common/config/i386/i386-common.c: Likewise.
8822         * config/aarch64/aarch64.c: Likewise.
8823         * config/alpha/sync.md: Likewise.
8824         * config/arc/arc.c: Likewise.
8825         * config/arc/predicates.md: Likewise.
8826         * config/arm/arm-c.c: Likewise.
8827         * config/arm/arm.c: Likewise.
8828         * config/arm/arm.h: Likewise.
8829         * config/arm/arm.md: Likewise.
8830         * config/arm/cortex-r4f.md: Likewise.
8831         * config/csky/csky.c: Likewise.
8832         * config/csky/csky.h: Likewise.
8833         * config/darwin-f.c: Likewise.
8834         * config/epiphany/epiphany.md: Likewise.
8835         * config/i386/i386.c: Likewise.
8836         * config/i386/sol2.h: Likewise.
8837         * config/m68k/m68k.c: Likewise.
8838         * config/mcore/mcore.h: Likewise.
8839         * config/microblaze/microblaze.md: Likewise.
8840         * config/mips/20kc.md: Likewise.
8841         * config/mips/sb1.md: Likewise.
8842         * config/nds32/nds32.c: Likewise.
8843         * config/nds32/predicates.md: Likewise.
8844         * config/pa/pa.c: Likewise.
8845         * config/rs6000/e300c2c3.md: Likewise.
8846         * config/rs6000/rs6000.c: Likewise.
8847         * config/s390/s390.h: Likewise.
8848         * config/sh/sh.c: Likewise.
8849         * config/sh/sh.md: Likewise.
8850         * config/spu/vmx2spu.h: Likewise.
8851         * cprop.c: Likewise.
8852         * dbxout.c: Likewise.
8853         * df-scan.c: Likewise.
8854         * doc/cfg.texi: Likewise.
8855         * doc/extend.texi: Likewise.
8856         * doc/fragments.texi: Likewise.
8857         * doc/gty.texi: Likewise.
8858         * doc/invoke.texi: Likewise.
8859         * doc/lto.texi: Likewise.
8860         * doc/md.texi: Likewise.
8861         * doc/objc.texi: Likewise.
8862         * doc/rtl.texi: Likewise.
8863         * doc/tm.texi: Likewise.
8864         * dse.c: Likewise.
8865         * emit-rtl.c: Likewise.
8866         * emit-rtl.h: Likewise.
8867         * except.c: Likewise.
8868         * expmed.c: Likewise.
8869         * expr.c: Likewise.
8870         * fold-const.c: Likewise.
8871         * genautomata.c: Likewise.
8872         * gimple-fold.c: Likewise.
8873         * hard-reg-set.h: Likewise.
8874         * ifcvt.c: Likewise.
8875         * ipa-comdats.c: Likewise.
8876         * ipa-cp.c: Likewise.
8877         * ipa-devirt.c: Likewise.
8878         * ipa-fnsummary.c: Likewise.
8879         * ipa-icf.c: Likewise.
8880         * ipa-inline-transform.c: Likewise.
8881         * ipa-inline.c: Likewise.
8882         * ipa-polymorphic-call.c: Likewise.
8883         * ipa-profile.c: Likewise.
8884         * ipa-prop.c: Likewise.
8885         * ipa-pure-const.c: Likewise.
8886         * ipa-reference.c: Likewise.
8887         * ipa-split.c: Likewise.
8888         * ipa-visibility.c: Likewise.
8889         * ipa.c: Likewise.
8890         * ira-build.c: Likewise.
8891         * ira-color.c: Likewise.
8892         * ira-conflicts.c: Likewise.
8893         * ira-costs.c: Likewise.
8894         * ira-int.h: Likewise.
8895         * ira-lives.c: Likewise.
8896         * ira.c: Likewise.
8897         * ira.h: Likewise.
8898         * loop-invariant.c: Likewise.
8899         * loop-unroll.c: Likewise.
8900         * lower-subreg.c: Likewise.
8901         * lra-assigns.c: Likewise.
8902         * lra-constraints.c: Likewise.
8903         * lra-eliminations.c: Likewise.
8904         * lra-lives.c: Likewise.
8905         * lra-remat.c: Likewise.
8906         * lra-spills.c: Likewise.
8907         * lra.c: Likewise.
8908         * lto-cgraph.c: Likewise.
8909         * lto-streamer-out.c: Likewise.
8910         * postreload-gcse.c: Likewise.
8911         * predict.c: Likewise.
8912         * profile-count.h: Likewise.
8913         * profile.c: Likewise.
8914         * recog.c: Likewise.
8915         * ree.c: Likewise.
8916         * reload.c: Likewise.
8917         * reload1.c: Likewise.
8918         * reorg.c: Likewise.
8919         * resource.c: Likewise.
8920         * rtl.def: Likewise.
8921         * rtl.h: Likewise.
8922         * rtlanal.c: Likewise.
8923         * sched-deps.c: Likewise.
8924         * sched-ebb.c: Likewise.
8925         * sched-rgn.c: Likewise.
8926         * sel-sched-ir.c: Likewise.
8927         * sel-sched.c: Likewise.
8928         * shrink-wrap.c: Likewise.
8929         * simplify-rtx.c: Likewise.
8930         * symtab.c: Likewise.
8931         * target.def: Likewise.
8932         * toplev.c: Likewise.
8933         * tree-call-cdce.c: Likewise.
8934         * tree-cfg.c: Likewise.
8935         * tree-complex.c: Likewise.
8936         * tree-core.h: Likewise.
8937         * tree-eh.c: Likewise.
8938         * tree-inline.c: Likewise.
8939         * tree-loop-distribution.c: Likewise.
8940         * tree-nrv.c: Likewise.
8941         * tree-profile.c: Likewise.
8942         * tree-sra.c: Likewise.
8943         * tree-ssa-alias.c: Likewise.
8944         * tree-ssa-dce.c: Likewise.
8945         * tree-ssa-dom.c: Likewise.
8946         * tree-ssa-forwprop.c: Likewise.
8947         * tree-ssa-loop-im.c: Likewise.
8948         * tree-ssa-loop-ivcanon.c: Likewise.
8949         * tree-ssa-loop-ivopts.c: Likewise.
8950         * tree-ssa-loop-niter.c: Likewise.
8951         * tree-ssa-phionlycprop.c: Likewise.
8952         * tree-ssa-phiopt.c: Likewise.
8953         * tree-ssa-propagate.c: Likewise.
8954         * tree-ssa-threadedge.c: Likewise.
8955         * tree-ssa-threadupdate.c: Likewise.
8956         * tree-ssa-uninit.c: Likewise.
8957         * tree-ssanames.c: Likewise.
8958         * tree-streamer-out.c: Likewise.
8959         * tree.c: Likewise.
8960         * tree.h: Likewise.
8961         * vr-values.c: Likewise.
8963 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
8965         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
8966         (ix86_split_xorsign): Ditto.
8967         * config/i386/i386.c (ix86_expand_xorsign): New function.
8968         (ix86_split_xorsign): Ditto.
8969         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
8970         (xorsign<mode>3): New expander.
8971         (xorsign<mode>3_1): New insn_and_split pattern.
8972         * config/i386/sse.md (xorsign<mode>3): New expander.
8974 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8976         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
8977         (*tablejump_sp64): Likewise.
8978         (*tablejump<P:mode>): ...this.
8979         (*call_address_sp32): Merge into...
8980         (*call_address_sp64): Likewise.
8981         (*call_address<P:mode>): ...this.
8982         (*call_symbolic_sp32): Merge into...
8983         (*call_symbolic_sp64): Likewise.
8984         (*call_symbolic<P:mode>): ...this.
8985         (call_value): Remove constraint and add predicate.
8986         (*call_value_address_sp32): Merge into...
8987         (*call_value_address_sp64): Likewise.
8988         (*call_value_address<P:mode>): ...this.
8989         (*call_value_symbolic_sp32): Merge into...
8990         (*call_value_symbolic_sp64): Likewise.
8991         (*call_value_symbolic<P:mode>): ...this.
8992         (*sibcall_symbolic_sp32): Merge into...
8993         (*sibcall_symbolic_sp64): Likewise.
8994         (*sibcall_symbolic<P:mode>): ...this.
8995         (sibcall_value): Remove constraint and add predicate.
8996         (*sibcall_value_symbolic_sp32): Merge into...
8997         (*sibcall_value_symbolic_sp64): Likewise.
8998         (*sibcall_value_symbolic<P:mode>): ...this.
8999         (window_save): Minor tweak.
9000         (*branch_sp32): Merge into...
9001         (*branch_sp64): Likewise.
9002         (*branch<P:mode>): ...this.
9004 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9005             James Clarke  <jrtc27@jrtc27.com>
9007         PR target/84010
9008         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9009         consistently in TLS address generation and adjust code to the renaming
9010         of patterns.  Mark calls to __tls_get_addr as const.
9011         * config/sparc/sparc.md (tgd_hi22): Turn into...
9012         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9013         (tgd_lo10): Turn into...
9014         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9015         (tgd_add32): Merge into...
9016         (tgd_add64): Likewise.
9017         (tgd_add<P:mode>): ...this and use Pmode throughout.
9018         (tldm_hi22): Turn into...
9019         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9020         (tldm_lo10): Turn into...
9021         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9022         (tldm_add32): Merge into...
9023         (tldm_add64): Likewise.
9024         (tldm_add<P:mode>): ...this and use Pmode throughout.
9025         (tldm_call32): Merge into...
9026         (tldm_call64): Likewise.
9027         (tldm_call<P:mode>): ...this and use Pmode throughout.
9028         (tldo_hix22): Turn into...
9029         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9030         (tldo_lox10): Turn into...
9031         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9032         (tldo_add32): Merge into...
9033         (tldo_add64): Likewise.
9034         (tldo_add<P:mode>): ...this and use Pmode throughout.
9035         (tie_hi22): Turn into...
9036         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9037         (tie_lo10): Turn into...
9038         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9039         (tie_ld64): Use DImode throughout.
9040         (tie_add32): Merge into...
9041         (tie_add64): Likewise.
9042         (tie_add<P:mode>): ...this and use Pmode throughout.
9043         (tle_hix22_sp32): Merge into...
9044         (tle_hix22_sp64): Likewise.
9045         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9046         (tle_lox22_sp32): Merge into...
9047         (tle_lox22_sp64): Likewise.
9048         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9049         (*tldo_ldub_sp32): Merge into...
9050         (*tldo_ldub_sp64): Likewise.
9051         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9052         (*tldo_ldub1_sp32): Merge into...
9053         (*tldo_ldub1_sp64): Likewise.
9054         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9055         (*tldo_ldub2_sp32): Merge into...
9056         (*tldo_ldub2_sp64): Likewise.
9057         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9058         (*tldo_ldsb1_sp32): Merge into...
9059         (*tldo_ldsb1_sp64): Likewise.
9060         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9061         (*tldo_ldsb2_sp32): Merge into...
9062         (*tldo_ldsb2_sp64): Likewise.
9063         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9064         (*tldo_ldub3_sp64): Use DImode throughout.
9065         (*tldo_ldsb3_sp64): Likewise.
9066         (*tldo_lduh_sp32): Merge into...
9067         (*tldo_lduh_sp64): Likewise.
9068         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9069         (*tldo_lduh1_sp32): Merge into...
9070         (*tldo_lduh1_sp64): Likewise.
9071         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9072         (*tldo_ldsh1_sp32): Merge into...
9073         (*tldo_ldsh1_sp64): Likewise.
9074         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9075         (*tldo_lduh2_sp64): Use DImode throughout.
9076         (*tldo_ldsh2_sp64): Likewise.
9077         (*tldo_lduw_sp32): Merge into...
9078         (*tldo_lduw_sp64): Likewise.
9079         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9080         (*tldo_lduw1_sp64): Use DImode throughout.
9081         (*tldo_ldsw1_sp64): Likewise.
9082         (*tldo_ldx_sp64): Likewise.
9083         (*tldo_stb_sp32): Merge into...
9084         (*tldo_stb_sp64): Likewise.
9085         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9086         (*tldo_sth_sp32): Merge into...
9087         (*tldo_sth_sp64): Likewise.
9088         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9089         (*tldo_stw_sp32): Merge into...
9090         (*tldo_stw_sp64): Likewise.
9091         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9092         (*tldo_stx_sp64): Use DImode throughout.
9094 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9096         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9097         check configure option to set BTI and Return Address Signing.
9098         * configure.ac: Add --enable-standard-branch-protection and
9099         --disable-standard-branch-protection.
9100         * configure: Regenerated.
9101         * doc/install.texi: Document the same.
9103 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9104             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9106         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9107         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9108         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9109         if bti is enabled.
9110         * config/aarch64/aarch64-bti-insert.c: New file.
9111         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9112         pass.
9113         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9114         new bti pass.
9115         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9116         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9117         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9118         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9120 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9122         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9123         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9124         Disable bti for -mbranch-protection=none.
9125         (aarch64_handle_standard_branch_protection): Enable bti for
9126         -mbranch-protection=standard.
9127         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9128         -mbranch-protection.
9129         (aarch64_bti_enabled): Check if bti is enabled.
9130         * config/aarch64/aarch64.opt: Declare target variable.
9131         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9133 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9135         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9136         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9137         (aarch64_expand_epilogue): Likewise.
9138         (aarch64_output_mi_thunk): Likewise
9139         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9140         TAILCALL_ADDR_REGS to x16 and x17.
9141         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9143 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9145         * config/aarch64/aarch64-option-extensions.def: Define
9146         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9147         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9148         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9149         (AARCH64_FL_PREDRES): New.
9150         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9151         AARCH64_FL_PREDRES by default.
9152         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9154 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9156         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9157         ARMv8.5-A.
9158         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9159         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9160         * doc/invoke.texi: Document ARMv8.5-A.
9162 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9164         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9165         (xorsign<mode>3): Likewise.
9167 2019-01-09  Jelinek  <jakub@redhat.com>
9169         PR middle-end/88758
9170         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9171         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9173         PR rtl-optimization/88331
9174         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9175         not currently_expanding_to_rtl.
9177 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9179         * doc/invoke.texi (-Os): Remove trailing spaces.
9180         (-finline-functions): Remove reference to -O2.
9182 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
9184         PR rtl-optimization/79593
9185         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9187         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9188         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
9190 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
9192         PR bootstrap/88721
9193         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9194         to -1 on entry.
9196         PR debug/88723
9197         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9198         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9200 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9202         PR target/88717
9203         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9204         ix86_avx_u128_mode_entry.
9206 2019-01-08  Martin Liska  <mliska@suse.cz>
9208         PR tree-optimization/88753
9209         * tree-switch-conversion.c (switch_conversion::build_one_array):
9210         Come up with local variable constructor.  Convert first to
9211         type of constructor values.
9213 2019-01-08  Richard Biener  <rguenther@suse.de>
9215         PR tree-optimization/86554
9216         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9217         rpo_avail): Move earlier.
9218         (visit_nary_op): When value-numbering to expressions
9219         with different overflow behavior make sure there's an
9220         available expression on the path.
9222 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
9224         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9225         aarch64_parse_branch_protection,
9226         struct aarch64_branch_protect_type,
9227         aarch64_handle_no_branch_protection,
9228         aarch64_handle_standard_branch_protection,
9229         aarch64_validate_mbranch_protection,
9230         aarch64_handle_pac_ret_protection,
9231         aarch64_handle_attr_branch_protection,
9232         accepted_branch_protection_string,
9233         aarch64_pac_ret_subtypes,
9234         aarch64_branch_protect_types,
9235         aarch64_handle_pac_ret_leaf): Define.
9236         (aarch64_override_options_after_change_1, aarch64_override_options):
9237         Add check for accepted_branch_protection_string.
9238         (aarch64_option_save): Save accepted_branch_protection_string.
9239         (aarch64_option_restore): Save accepted_branch_protection_string.
9240         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9241         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9242         msign-return-address.
9243         * doc/invoke.texi: Add mbranch-protection.
9245 2019-01-08  Alan Modra  <amodra@gmail.com>
9247         PR target/88614
9248         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9249         Delete "unknownp" parameter.  Adjust callers.  Handle
9250         CONST_INT, PLUS, MINUS, and MULT.
9251         (attr_value_aligned): Renamed from or_attr_value.
9252         (min_attr_value): Return INT_MIN for unhandled rtl case..
9253         (min_fn): ..and translate to INT_MAX here.
9254         (write_length_unit_log): Modify to cope without "unknown".
9255         (write_attr_value): Handle IF_THEN_ELSE.
9257 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9259         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9260         optimization for masked stores.
9262 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9264         PR middle-end/88567
9265         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9266         output vector directly to duplicate_and_interleave instead of
9267         going through a temporary.  Postpone insertion of ctor_seq to
9268         the end of the loop.
9270 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
9272         PR target/86891
9273         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9274         unsigned_p.  Handle signed and unsigned overflow correction as
9275         required.
9276         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9277         prototype.
9278         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9279         for operand 2.
9280         (add<mode>3_compareV_imm): Make this callable for expanding.
9281         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
9282         aarch64_plus_operand for operand 2.
9283         (subv<GPI:mode>_insn): New insn pattern.
9284         (subv<GPI:mode>_imm): Likewise.
9285         (negv<GPI:mode>3): New expand pattern.
9286         (negv<GPI:mode>_insn): New insn pattern.
9287         (negv<GPI:mode>_cmp_only): Likewise.
9288         (cmpv<GPI:mode>_insn): Likewise.
9289         (subvti4): Use register_operand for operand 1.  Update call to
9290         aarch64_expand_subvti.
9291         (usubvti4): Likewise.
9292         (negvti3): New expand pattern.
9293         (negdi_carryout): New insn pattern.
9294         (negvdi_carryinV): New insn pattern.
9295         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9296         version the named version.
9297         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9298         operands.
9299         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9300         patterns.
9301         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9302         patterns.
9303         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9304         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9305         (sub<mode>3_carryinCV): Delete.
9306         (sub<GPI:mode>3_carryinV): New expand pattern.
9307         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9309 2019-01-07  Richard Biener  <rguenther@suse.de>
9311         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9312         of tree_operand_hash.
9314 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9316         PR tree-optimization/88598
9317         * tree.h (single_nonzero_element): Declare.
9318         * tree.c (single_nonzero_element): New function.
9319         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9320         if I is the only nonzero element of CST.
9322 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9324         PR tree-optimization/88598
9325         * tree.h (initializer_each_zero_or_onep): Declare.
9326         * tree.c (initializer_each_zero_or_onep): New function.
9327         (signed_or_unsigned_type_for): Handle float types too.
9328         (unsigned_type_for, signed_type_for): Update comments accordingly.
9329         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9330         x & { 0 or -1, 0 or -1, ... }.
9332 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9334         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9335         with x86_64-pc-linux-gnu.
9337 2019-01-07  Tom de Vries  <tdevries@suse.de>
9339         PR target/85486
9340         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9341         function.
9342         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9343         routines.
9345 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9347         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9348         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9349         TARGET_AVX512F as condition.
9351         PR debug/88723
9352         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9353         const_not_ok_for_debug_p target hook.
9354         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9355         on UNSPEC and subexpressions thereof if all subexpressions of the
9356         UNSPEC are CONSTANT_P.
9358         PR tree-optimization/88676
9359         * tree-ssa-phiopt.c (two_value_replacement): New function.
9360         (tree_ssa_phiopt_worker): Call it.
9362         PR sanitizer/88619
9363         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9364         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9366         PR c++/85052
9367         * tree-vect-generic.c: Include insn-config.h and recog.h.
9368         (expand_vector_piecewise): Add defaulted ret_type argument,
9369         if non-NULL, use that in preference to type for the result type.
9370         (expand_vector_parallel): Formatting fix.
9371         (do_vec_conversion, do_vec_narrowing_conversion,
9372         expand_vector_conversion): New functions.
9373         (expand_vector_operations_1): Call expand_vector_conversion
9374         for VEC_CONVERT ifn calls.
9375         * internal-fn.def (VEC_CONVERT): New internal function.
9376         * internal-fn.c (expand_VEC_CONVERT): New function.
9377         * fold-const-call.c (fold_const_vec_convert): New function.
9378         (fold_const_call): Use it for CFN_VEC_CONVERT.
9379         * doc/extend.texi (__builtin_convertvector): Document.
9381 2019-01-07  Tom de Vries  <tdevries@suse.de>
9383         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9384         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9385         vector_red_partition, vector_red_sym): New global variables.
9386         (nvptx_option_override): Initialize vector_red_sym.
9387         (nvptx_declare_function_name): Restore red_partition register.
9388         (nvptx_file_end): Emit code to declare the vector reduction variables.
9389         (nvptx_output_red_partition): New function.
9390         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9391         large vector reductions.
9392         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9393         (nvptx_init_builtins): Add VECTOR_ADDR.
9394         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9395         Handle nvptx_expand_shared_addr.
9396         (nvptx_get_shared_red_addr): Add vector argument and handle large
9397         vectors.
9398         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9399         large vectors.
9400         (nvptx_goacc_reduction_init): Likewise.
9401         (nvptx_goacc_reduction_fini): Likewise.
9402         (nvptx_goacc_reduction_teardown): Likewise.
9403         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9404         init,fini,teardown}.
9405         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9406         (nvptx_set_current_function): Init vector_red_partition.
9407         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9408         (nvptx_red_partition): New insn.
9409         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9411 2019-01-07  Tom de Vries  <tdevries@suse.de>
9413         PR target/85381
9414         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9415         empty loops.
9417 2019-01-07  Tom de Vries  <tdevries@suse.de>
9419         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9420         (nvptx_option_override): Init oacc_bcast_partition.
9421         (nvptx_init_oacc_workers): New function.
9422         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9423         (nvptx_needs_shared_bcast): New function.
9424         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9425         to propagate state.
9426         (nvptx_shared_propagate): Initialize vector bcast partition and
9427         synchronization state.
9428         (nvptx_single):  Generalize to enable vectors to use shared-memory
9429         to propagate state.
9430         (nvptx_process_pars): Likewise.
9431         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9432         * config/nvptx/nvptx.h (struct machine_function): Add
9433         bcast_partition and sync_bar members.
9435 2019-01-07  Tom de Vries  <tdevries@suse.de>
9437         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9438         (nvptx_apply_dim_limits): New function.
9439         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9440         PTX_WARP_SIZE.
9442 2019-01-07  Tom de Vries  <tdevries@suse.de>
9444         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9445         as late as possible.
9447 2019-01-07  Tom de Vries  <tdevries@suse.de>
9449         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9450         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9451         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9452         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9453         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9455 2019-01-07  Tom de Vries  <tdevries@suse.de>
9457         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9459 2019-01-07  Tom de Vries  <tdevries@suse.de>
9461         * omp-offload.c (oacc_get_min_dim): New function.
9462         * omp-offload.h (oacc_get_min_dim): Declare.
9464 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9466         PR target/88521
9467         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9468         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9470 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9472         PR tree-opt/86020
9473         Revert:
9474         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9476         * ipa-inline.c (edge_badness): Use inlined_time instead of
9477         inline_summaries->get.
9479 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9481         * opts.c (enable_fdo_optimizations): Enable
9482         version-loops-for-strides, loop-interchange, unrol-and-jam
9483         and tree-loop-distribution.
9484         * invoke.texi: Document newly enabled options.
9486 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9488         * doc/invoke.texi (max-inline-insns-small): New parameters.
9489         * ipa-inline.c (want_early_inline_function_p): simplify.
9490         (want_inline_small_function_p): Fix pasto from previous patch;
9491         use max-inline-insns-small bound.
9492         * params.def (max-inline-insns-small): New param.
9493         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9494         variables correctly.
9496 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9498         * doc/invoke.texi: Document max-inline-insns-size,
9499         uninlined-function-insns, uninlined-function-time,
9500         uninlined-thunk-insns and uninlined-thunk-time.
9501         * params.def: Add max-inline-insns-size,
9502         uninlined-function-insns, uninlined-function-time,
9503         uninlined-thunk-insns and uninlined-thunk-time.
9504         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9505         new parameters.
9506         * ipa-inline.c (can_inline_edge_by_limits_p,
9507         want_inline_small_function_p): Use new parameters.
9509 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9511         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9513 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9515         PR middle-end/82564
9516         PR target/88620
9517         * expr.c (expand_assignment): For calls returning VLA structures
9518         if to_rtx is not a MEM, force it into a stack temporary.
9520         PR debug/88635
9521         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9522         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9523         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9524         subexpressions of both operands.
9525         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9526         subrtxes are CONSTANT_P.
9527         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9528         2018-11-09 changes.
9530 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9532         * params.def (hot-bb-count-ws-permille): Set to 990.
9534 2019-01-04  Martin Sebor  <msebor@redhat.com>
9536         PR c/88546
9537         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9538         leaf.
9540 2019-01-04  Martin Sebor  <msebor@redhat.com>
9542         PR c/88363
9543         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9545 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9547         * gdbinit.in: Turn off pagination for the skip commands, restore
9548         it to previous state afterwards.
9550 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9552         PR target/88594
9553         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9554         of GET_MODE (opN) as modes of the libcall arguments.
9556 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9558         * config/i386/sse.md
9559         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9560         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9561         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9562         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9563         avx512f_vmcmp<mode>3<round_saeonly_name>,
9564         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9565         avx512f_maskcmp<mode>3,
9566         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9567         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9568         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9569         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9570         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9571         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9572         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9573         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9574         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9575         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9576         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9577         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9578         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9579         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9580         avx512cd_maskb_vec_dup<mode>,
9581         avx512cd_maskw_vec_dup<mode>,
9582         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9583         avx512dq_vmfpclass<mode>,
9584         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9585         instead of =Yk.
9587 2019-01-03  Martin Sebor  <msebor@redhat.com>
9589         PR tree-optimization/88659
9590         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9592 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9594         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9595         unaligned vsx and avoid lxvd2x/stxvd2x.
9596         (gen_lvx_v4si_move): New function.
9598 2019-01-03  Tom de Vries  <tdevries@suse.de>
9600         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9601         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9602         function.
9603         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9605 2019-01-03  Tom de Vries  <tdevries@suse.de>
9607         * config/nvptx/nvptx.c (struct offload_attrs): New.
9608         (populate_offload_attrs): New function.  Factor mask extraction out of
9609         nvptx_reorg.  Add extraction of dimensions.
9610         (nvptx_reorg): Use populate_offload_attrs.
9612 2019-01-03  Tom de Vries  <tdevries@suse.de>
9614         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9615         cases for oacc_min_dims_p and routine_p.  Add asserts for
9616         oacc_default_dims_p and offload_region_p.
9618 2019-01-03  Tom de Vries  <tdevries@suse.de>
9620         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9621         factored out of ...
9622         (nvptx_goacc_validate_dims): ... here.
9624 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9626         PR tree-optimization/85574
9627         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9628         structure.
9629         (struct ssa_equip_hash_traits): Declare.
9630         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9632 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9634         PR debug/88644
9635         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9636         change it to qualified_type.
9638 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9640         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9641         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9643 2019-01-02  Martin Sebor  <msebor@redhat.com>
9644             Jeff Law  <law@redhat.com>
9646         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9647         (get_range_strlen_tree): Update appropriately.
9648         (get_range_strlen)
9649         * gimple-fold.h (get_range_strlen): Drop unused last argument.
9651         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
9652         rather than set_range_info.
9653         * tree-ssa-strlen.c (set_strlen_range): Extracted from
9654         maybe_set_strlen_range.  Handle potentially boundary crossing
9655         cases more conservatively.
9656         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
9657         Call set_strlen_range.
9658         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
9660         PR middle-end/88663
9661         * gimple-fold.c (get_range_strlen): Update prototype to no longer
9662         need the flexp argument.
9663         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
9664         from calls to get_range_strlen.  Update comments.  Just update
9665         VAL for an unterminated const char array and let the reset of the
9666         code handle it normally.  No longer try to set *flexp.  Adjust
9667         return value.
9668         (get_range_strlen): Update for the new get_range_strlen API.
9669         (get_maxval_strlen): Similarly.
9670         (gimple_fold_builtin_strlen): Handle update meaning of return value
9671         from get_range_strlen.
9672         * gimple-ssa-sprintf.c (get_string_length): Update for the new
9673         get_range_strlen API.
9675 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
9677         PR lto/88130
9678         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
9679         false at WPA time when body was removed.
9681 2019-01-02  Martin Liska  <mliska@suse.cz>
9683         PR tree-optimization/88650
9684         * predict.c (set_even_probabilities): Calculate probability
9685         remainer only when really used.
9687 2019-01-02  Richard Biener  <rguenther@suse.de>
9689         PR middle-end/88651
9690         * tree-data-ref.c (analyze_subscript_affine_affine): Use
9691         widest_ints when mangling max_stmt_execution results.
9693 2019-01-02  Richard Biener  <rguenther@suse.de>
9695         PR tree-optimization/88621
9696         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
9697         bitfields when canoncalizing.
9699 2019-01-02  Richard Biener  <rguenther@suse.de>
9701         PR target/87545
9702         * config/i386/x86-tune-costs.h (intel_cost): Adjust
9703         cost of cheap SSE instruction.
9705 2019-01-02  Richard Biener  <rguenther@suse.de>
9707         PR ipa/85574
9708         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
9709         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
9710         function.
9711         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
9712         set after UIDs before splitting them.
9714 2019-01-01  Martin Sebor  <msebor@redhat.com>
9715             Jeff Law  <law@redhat.com>
9717         * gimple-fold.c (get_range_strlen_tree): Record if the computed
9718         length is optimistic.  If it is, then arrange to compute the
9719         conservative length as well.
9721         * gimple-fold.h (get_range_strlen): Update prototype.
9722         * builtins.c (check_access): Update call to get_range_strlen to use
9723         c_strlen_data pointer.   Change various variable accesses to instead
9724         pull data from the c_strlen_data structure.
9725         (check_strncat_sizes, expand_builtin_strncat): Likewise.
9726         * calls.c (maybe_warn_nonstring_arg): Likewise.
9727         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
9728         minimum length if maximum lengh is unknown.
9729         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
9730         that used c_strlen, it's no longer needed.  Restructure slightly.
9731         (format_string): Set unlikely range appropriately.
9732         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
9733         formatting issues.
9734         (get_range_strlen):  Accept c_strlen_data pointer for external
9735         call sites as well.  Pass through to call to internal get_range_strlen.
9736         Adjust minlen, maxlen and maxbound as needed.
9737         (get_maxval_strlen): Update comments.
9738         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
9739         to use c_strlen_data pointer.  Change variable accesses to instead
9740         use c_strlen_data data members.
9742         * gimple-fold.c (get_range_strlen): Update prototype.
9743         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
9744         local variables.  Use pdata to return information to caller.
9745         Update calls to get_range_strlen.  Update pdata->maxbound.
9746         (get_range_strlen -- static version): Similarly.
9747         (get_range_strlen -- extern version): Update for internal
9748         get_range_strlen API change.  Convert to external data format.
9749         (get_maxval_strlen): Similarly.
9751 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
9753         * coverage.c (get_coverage_counts): Use current_function_decl.
9754         * profile.c (read_thunk_profile): New function.
9755         (branch_prob): Add THUNK parameter.
9756         * tree-profile.c (tree_profiling): Handle thunks.
9757         * value-prof.c (init_node_map): Handle thunks.
9758         * value-prof.h (branch_prob): Upate prototype.
9759         (read_thunk_profile): Declare.
9761 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
9763         Update copyright years.
9765         * gcc.c (process_command): Update copyright notice dates.
9766         * gcov-dump.c (print_version): Ditto.
9767         * gcov.c (print_version): Ditto.
9768         * gcov-tool.c (print_version): Ditto.
9769         * gengtype.c (create_file): Ditto.
9770         * doc/cpp.texi: Bump @copying's copyright year.
9771         * doc/cppinternals.texi: Ditto.
9772         * doc/gcc.texi: Ditto.
9773         * doc/gccint.texi: Ditto.
9774         * doc/gcov.texi: Ditto.
9775         * doc/install.texi: Ditto.
9776         * doc/invoke.texi: Ditto.
9778 Copyright (C) 2019 Free Software Foundation, Inc.
9780 Copying and distribution of this file, with or without modification,
9781 are permitted in any medium without royalty provided the copyright
9782 notice and this notice are preserved.