* tree-vect-loop-manip.c (create_intersect_range_checks_index)
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
2
3         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
4         (create_intersect_range_checks): Move from ...
5         * tree-data-ref.c (create_intersect_range_checks_index)
6         (create_intersect_range_checks): ... to here.
7         (create_runtime_alias_checks): New function factored from ...
8         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
9         here.  Call above function.
10         * tree-data-ref.h (create_runtime_alias_checks): New function.
11
12 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13
14         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
15         segment length for dr_b and compute it in wide_int.
16
17 2017-05-31  Richard Biener  <rguenther@suse.de>
18
19         PR tree-optimization/80906
20         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
21         and pass through iv_map.
22         (copy_bb_and_scalar_dependences): Adjust.
23         (translate_pending_phi_nodes): Likewise.
24         (copy_loop_close_phi_args): Handle code-generating IVs instead
25         of ICEing.
26
27 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
28
29         * diagnostic-color.c (color_dict): Add "type-diff".
30         (parse_gcc_colors): Update comment.
31         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
32         -fdiagnostics-show-template-tree and -fno-elide-type.
33         (GCC_COLORS): Add type-diff to example.
34         (type-diff=): New.
35         (-fdiagnostics-show-template-tree): New.
36         (-fno-elide-type): New.
37         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
38         the pp_format_decoder callback.  Call any m_format_postprocessor's
39         "handle" method.
40         (pretty_printer::pretty_printer): Initialize
41         m_format_postprocessor.
42         (pretty_printer::~pretty_printer): Delete any
43         m_format_postprocessor.
44         * pretty-print.h (printer_fn): Add bool and const char **
45         parameters.
46         (class format_postprocessor): New class.
47         (struct pretty_printer::format_decoder): Document the new
48         parameters.
49         (struct pretty_printer::m_format_postprocessor): New field.
50         * tree-diagnostic.c (default_tree_printer): Update for new
51         bool and const char ** params.
52         * tree-diagnostic.h (default_tree_printer): Likewise.
53
54 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
55
56         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
57         (lwa_operand): Delete rs6000_gen_cell_microcode test.
58         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
59         rs6000_gen_cell_microcode code.
60         (rs6000_final_prescan_insn): Delete.
61         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
62         "warn-cell-microcode" entries.
63         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
64         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
65         throughout.  Change cc_reg_not_micro_cr0_operand to
66         cc_reg_not_cr0_operand throughout.
67         (*extendhi<mode>2_noload): Delete.
68         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
69         (mwarn-cell-microcode): Delete.
70         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
71         -mgen-cell-microcode and -mwarn-cell-microcode.
72
73 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
74
75         PR target/80833
76         * config/i386/constraints.md (Yd): New constraint.
77         (Ye): Ditto.
78         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
79         and (?Yd, r) alternatives.  Update insn attributes.
80         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
81         and (?*Yd, r) alternatives.  Update insn attributes.
82         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
83
84 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
85
86         * gimplify.c (gimplify_modify_expr): Don't create a
87         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
88         function.
89
90 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
91
92         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
93
94 2017-05-30  Richard Biener  <rguenther@suse.de>
95
96         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
97         and reduc_def fields.
98         (STMT_VINFO_REDUC_TYPE): New define.
99         (STMT_VINFO_REDUC_DEF): Likewise.
100         (vect_force_simple_reduction): Adjust prototype.
101         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
102         (vect_is_simple_reduction): Remove check_reduction argument.
103         (vect_force_simple_reduction): Adjust and set
104         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
105         (vectorizable_reduction): Do not re-do reduction analysis
106         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
107         * tree-parloops.c (gather_scalar_reductions): Adjust.
108
109 2017-05-30  Richard Biener  <rguenther@suse.de>
110
111         PR middle-end/80901
112         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
113         split_edge code.
114
115 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
116
117         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
118         Introduce unknown_misalignment parameter and remove vf.
119         (vect_peeling_hash_get_lowest_cost):
120         Pass unknown_misalignment parameter.
121         (vect_enhance_data_refs_alignment):
122         Fix unsupportable data ref treatment.
123
124 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
125
126         * tree-vect-data-refs.c (vect_get_data_access_cost):
127         Workaround for SLP handling.
128         (vect_enhance_data_refs_alignment):
129         Compute costs for doing no peeling at all, compare to the best
130         peeling costs so far and avoid peeling if cheaper.
131
132 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
133
134         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
135         Return peeling info and set costs to zero for unlimited cost
136         model.
137         (vect_enhance_data_refs_alignment): Also inspect all datarefs
138         with unknown misalignment. Compute and costs for unknown
139         misalignment, compare them to the costs for known misalignment
140         and choose the cheapest for peeling.
141
142 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
143
144         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
145         (vect_get_peeling_costs_all_drs): Create function.
146         (vect_peeling_hash_get_lowest_cost):
147         Use vect_get_peeling_costs_all_drs.
148         (vect_peeling_supportable): Create function.
149         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
150
151 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
152
153         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
154         DR_HAS_NEGATIVE_STEP.
155         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
156         (vect_enhance_data_refs_alignment): Use.
157         (vect_duplicate_ssa_name_ptr_info): Use.
158         * tree-vectorizer.h (dr_misalignment): Use.
159         (known_alignment_for_access_p): Use.
160
161 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
162
163         PR target/78838
164         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
165         .lowtext.
166         (has_section_name): New function.
167
168 2017-05-30  Martin Liska  <mliska@suse.cz>
169
170         PR other/80909
171         * auto-profile.c (get_function_decl_from_block): Fix
172         parenthesis.
173
174 2017-05-30  Richard Biener  <rguenther@suse.de>
175
176         PR middle-end/80876
177         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
178
179 2017-05-30  Martin Liska  <mliska@suse.cz>
180
181         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
182         * dumpfile.h (struct dump_file_info): Remove ctors.
183
184 2017-05-30  Martin Liska  <mliska@suse.cz>
185
186         * predict.def: Fix GNU coding style.
187
188 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
189
190         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
191         Mark 'to' argument with ATTRIBUTE_UNUSED.
192
193 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
194
195         * config/xtensa/xtensa.c (xtensa_emit_call): Use
196         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
197         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
198         format string.
199
200 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
201
202         * doc/install.texi (Options specification): Restore entry of
203         --enable-sjlj-exceptions.
204
205 2017-05-27  Michael Eager  <eager@eagercon.com>
206
207         Revert:
208         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
209
210         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
211
212         * config/microblaze/microblaze.h
213         (FIXED_REGISTERS): Update in macro.
214         (CALL_USED_REGISTERS): Update in macro.
215
216 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
217
218         * doc/install.texi: Add links to macOS binary distributions.
219
220 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
221
222         PR bootstrap/80887
223         Revert:
224         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
225
226         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
227
228 2017-05-26  Martin Liska  <mliska@suse.cz>
229
230         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
231
232 2017-05-26  Martin Liska  <mliska@suse.cz>
233
234         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
235         always leading ';; '.
236         (dump_bb_info): Likewise.
237         (brief_dump_cfg): Likewise.
238         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
239         * dumpfile.c: Remove usage of TDF_VERBOSE.
240         * dumpfile.h (enum dump_kind): Likewise.
241         (dump_gimple_bb_header): Do not use TDF_COMMENT.
242         * print-tree.c (debug_verbose): Remove.
243         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
244         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
245         * tree-diagnostic.c (default_tree_printer): Replace
246         TDF_DIAGNOSTIC with TDF_SLIM.
247
248 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
249
250         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
251         in parameter loop, rather than loop_vinfo.
252         (create_intersect_range_checks): Ditto.
253         (vect_create_cond_for_alias_checks): Update call to above functions.
254
255 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
256
257         PR tree-optimization/80815
258         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
259         for merging runtime alias checks.  Handle negative DR_STEPs.
260
261 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
262
263         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
264         Move from ...
265         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
266         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
267         out code pruning runtime alias checks.
268         * tree-data-ref.c (prune_runtime_alias_test_list): New function
269         factored out from above.
270         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
271         Move from ...
272         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
273         ... to here.
274         (prune_runtime_alias_test_list): New decalaration.
275
276 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
277
278         * tree-vect-data-refs.c (compare_tree): Rename and move ...
279         * tree-data-ref.c (data_ref_compare_tree): ... to here.
280         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
281         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
282         (operator==, comp_dr_with_seg_len_pair): Ditto.
283         (vect_prune_runtime_alias_test_list): Ditto.
284
285 2017-05-26  Martin Liska  <mliska@suse.cz>
286
287         PR ipa/80663
288         * params.def: Bound partial-inlining-entry-probability param.
289
290 2017-05-26  Marek Polacek  <polacek@redhat.com>
291
292         PR sanitizer/80875
293         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
294         can be negated.
295
296 2017-05-26  Richard Biener  <rguenther@suse.de>
297
298         PR tree-optimization/80842
299         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
300         value.
301
302 2017-05-26  Richard Biener  <rguenther@suse.de>
303
304         PR tree-optimization/80844
305         * tree-vectorizer.c (adjust_simduid_builtins): Propagate
306         results.
307
308 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
309
310         * doc/md.texi (Machine Constraints): Update x86 family
311         machine constraints section to match 'config/i386/constraints.md'.
312
313 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
314
315         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
316
317 2017-05-25  Nathan Sidwell  <nathan@acm.org>
318
319         * doc/invoke.texi (--enable-languages): Update documentation.
320
321 2017-05-25  Martin Liska  <mliska@suse.cz>
322
323         * dumpfile.c: Add TDF_FOLDING.
324         * dumpfile.h (enum dump_kind): Likewise.
325         * genmatch.c (dt_simplify::gen_1): Use it.
326
327 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
328
329         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
330
331 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
332
333         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
334         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
335
336 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
337
338         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
339         * match.pd (X == C): Rewrite it here.
340         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
341         with_certain_nonzero_bits2): New predicates.
342         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
343
344 2017-05-24  Nathan Sidwell  <nathan@acm.org>
345
346         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
347         avoid warning.
348
349         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
350         warning.
351
352 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
353
354         * config/powerpcspe: New port.  Files are copied from the rs6000
355         port, with "rs6000" in filenames replaced by "powerpcspe".
356
357 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
358
359         PR rtl-optimization/80754
360         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
361
362 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
363
364         * config/sparc/sparc.md (length): Return the correct value for -mflat
365         sibcalls to match output_sibcall.
366
367 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
368
369         PR bootstrap/80860
370         PR bootstrap/80843
371         * config/rs6000/rs6000.c (struct machine_function): Add new field
372         n_components.
373         (rs6000_get_separate_components): Init that field, use it.
374         (rs6000_components_for_bb): Use the field.
375
376 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
377
378         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
379
380 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
381
382         PR middle-end/80823
383         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
384
385 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
386
387         PR target/80725
388         * config/s390/s390.c (s390_check_qrst_address): Check incoming
389         address against address_operand predicate.
390         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
391
392 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
393
394         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
395         parameters passed indirectly.
396
397 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
398
399         * config/i386/i386.md (*movdi_internal): Remove SSE4
400         alternative 18 (?r, *v).  Update insn attributes.
401         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
402         Update insn attributes.
403         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
404         Update insn attributes.
405         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
406         alternative 1 (r, v). Remove isa attribute.
407         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
408         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
409         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
410
411 2017-05-23  Tom de Vries  <tom@codesourcery.com>
412
413         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
414         dg-line directive.
415
416 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
417
418         * cgraphunit.c (symbol_table::process_new_functions): Update.
419         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
420         (inline_generate_summary): Rename to ...
421         (ipa_fn_summary_generate): ... this one.
422         (inline_read_summary): Rename to ...
423         (ipa_fn_summary_read): ... this one.
424         (inline_write_summary): Rename to ...
425         (ipa_fn_summary_write): ... this one.
426         (inline_free_summary): Rename to ...
427         (ipa_free_fn_summary): ... this one.
428         (pass_data_local_fn_summary, pass_local_fn_summary,
429         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
430         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
431         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
432         make_pass_ipa_fn_summary): New.
433         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
434         inline_write_summary, inline_free_summary): Remove.
435         (ipa_free_fn_summary) : New.
436         * ipa-inline.c (ipa_inline): Update.
437         (pass_ipa_inline): Do not generate summaries.
438         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
439         Remove.
440         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
441         and add pass_ipa_fn_summary.
442         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
443         New.
444         (make_pass_inline_parameters): Remove.
445
446 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
447
448         * omp-low.c (struct omp_context): Remove "default_kind" member.
449         Adjust all users.
450
451         * omp-offload.c (execute_oacc_device_lower): Remove the
452         parallelism dimensions function attributes for unparallelized
453         OpenACC kernels constructs.
454
455 2017-05-23  Martin Liska  <mliska@suse.cz>
456
457         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
458         functions.
459         (cgraph_edge::make_speculative): Likewise.
460         (cgraph_edge::resolve_speculation): Likewise.
461         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
462         (cgraph_node::dump): Likewise.
463         * cgraph.h: Likewise.
464         * cgraphunit.c (analyze_functions): Likewise.
465         (symbol_table::compile): Likewise.
466         * ipa-cp.c (print_all_lattices): Likewise.
467         (determine_versionability): Likewise.
468         (initialize_node_lattices): Likewise.
469         (ipcp_verify_propagated_values): Likewise.
470         (estimate_local_effects): Likewise.
471         (update_profiling_info): Likewise.
472         (create_specialized_node): Likewise.
473         (perhaps_add_new_callers): Likewise.
474         (decide_about_value): Likewise.
475         (decide_whether_version_node): Likewise.
476         (identify_dead_nodes): Likewise.
477         (ipcp_store_bits_results): Likewise.
478         * ipa-devirt.c (dump_targets): Likewise.
479         (ipa_devirt): Likewise.
480         * ipa-icf.c (sem_item::dump): Likewise.
481         (sem_function::equals): Likewise.
482         (sem_variable::equals): Likewise.
483         (sem_item_optimizer::read_section): Likewise.
484         (sem_item_optimizer::execute): Likewise.
485         (congruence_class::dump): Likewise.
486         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
487         (dump_inline_summary): Likewise.
488         (estimate_node_size_and_time): Likewise.
489         (inline_analyze_function): Likewise.
490         * ipa-inline-transform.c (inline_call): Likewise.
491         * ipa-inline.c (report_inline_failed_reason): Likewise.
492         (want_early_inline_function_p): Likewise.
493         (edge_badness): Likewise.
494         (update_edge_key): Likewise.
495         (inline_small_functions): Likewise.
496         * ipa-profile.c (ipa_profile): Likewise.
497         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
498         (ipa_make_edge_direct_to_target): Likewise.
499         (remove_described_reference): Likewise.
500         (ipa_impossible_devirt_target): Likewise.
501         (propagate_controlled_uses): Likewise.
502         (ipa_print_node_params): Likewise.
503         (ipcp_transform_function): Likewise.
504         * ipa-pure-const.c (pure_const_read_summary): Likewise.
505         (propagate_pure_const): Likewise.
506         * ipa-reference.c (generate_summary): Likewise.
507         (read_write_all_from_decl): Likewise.
508         (propagate): Likewise.
509         (ipa_reference_read_optimization_summary): Likewise.
510         * ipa-utils.c (ipa_merge_profiles): Likewise.
511         * ipa.c (walk_polymorphic_call_targets): Likewise.
512         (symbol_table::remove_unreachable_nodes): Likewise.
513         (ipa_single_use): Likewise.
514         * passes.c (execute_todo): Likewise.
515         * predict.c (drop_profile): Likewise.
516         * symtab.c (symtab_node::get_dump_name): New function.
517         (symtab_node::dump_name): Likewise.
518         (symtab_node::dump_asm_name): Likewise.
519         (symtab_node::dump_references): Likewise.
520         (symtab_node::dump_referring): Likewise.
521         (symtab_node::dump_base): Likewise.
522         (symtab_node::debug_symtab): Likewise.
523         * tree-sra.c (convert_callers_for_node): Likewise.
524         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
525         * value-prof.c (init_node_map): Likewise.
526
527 2017-05-23  Martin Liska  <mliska@suse.cz>
528
529         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
530         and symtab_node::debug_symtab to symbol_table::debug.
531         * cgraphunit.c (analyze_functions): Use the renamed function.
532         (symbol_table::compile): Likewise.
533         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
534         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
535         * passes.c (execute_todo): Likewise.
536         * symtab.c (symbol_table::dump): New function.
537         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
538
539 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
540
541         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
542         that nonconst implies exec.
543
544 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
545
546         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
547         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
548         (inline_edge_summary_vec): Turn into ...
549         (ipa_call_summaries): ... this one.
550         (redirect_to_unreachable, edge_set_predicate,
551         evaluate_properties_for_edge, inline_summary_alloc,
552         reset_ipa_call_summary, reset_inline_summary,
553         inline_summary_t::duplicate): Update.
554         (inline_edge_duplication_hook): Turn to ...
555         (ipa_call_summary_t::duplicate): ... this one.
556         (inline_edge_removal_hook): Turn to ...
557         (ipa_call_summary_t::remove): ... this one.
558         (dump_inline_edge_summary): Turn to ...
559         (dump_ipa_call_summary): ... this one.
560         (estimate_function_body_sizes): Update.
561         (inline_update_callee_summaries): Update.
562         (remap_edge_change_prob): Update.
563         (remap_edge_summaries): Update.
564         (inline_merge_summary): Update.
565         (do_estimate_edge_time): Update.
566         (inline_generate_summary): Update.
567         (inline_read_section): Update.
568         (inline_read_summary): Update.
569         (inline_free_summary): Update.
570         * ipa-inline.c (can_inline_edge_p): Update.
571         (compute_inlined_call_time): Update.
572         (want_inline_small_function_p): Update.
573         (edge_badness): Update.
574         (early_inliner): Update.
575         * ipa-inline.h (inline_edge_summary): Turn to ...
576         (ipa_call_summary): ... this one.
577         (ipa_call_summary_t): New class.
578         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
579         (ipa_call_summaries): New.
580         (inline_edge_summary): Remove.
581         (estimate_edge_growth): Update.
582         * ipa-profile.c (ipa_propagate_frequency_1): Update.
583         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
584         * ipa-split.c (execute_split_functions): Update.
585         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
586
587 2017-05-23  Tom de Vries  <tom@codesourcery.com>
588
589         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
590         attributes): Document rdrand effective target.
591
592 2017-05-23  Tom de Vries  <tom@codesourcery.com>
593
594         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
595         attributes): Sort alphabetically.
596
597 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
598
599         * config/avr/genmultilib.awk: Use gsub instead of gensub.
600
601 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
602
603         PR target/80718
604         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
605         V2DF/V2DI splat into two separate patterns, one that handles
606         registers, and the other that only handles memory.  Drop support
607         for splatting from a GPR on ISA 2.07 and then splitting the
608         splat into direct move and splat.
609         (vsx_splat_<mode>_reg): Likewise.
610         (vsx_splat_<mode>_mem): Likewise.
611
612 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
613
614         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
615
616 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
617
618         PR middle-end/80809
619         * omp-low.c (finish_taskreg_remap): New function.
620         (finish_taskreg_scan): If unit size of ctx->record_type
621         is non-constant, unshare the size expression and replace
622         decls in it with possible outer var refs.
623
624         PR middle-end/80809
625         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
626         GOVD_SHARED rather than GOVD_PRIVATE with it.
627         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
628         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
629
630         PR middle-end/80853
631         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
632         as last argument to build_outer_var_ref for pointer bases of array
633         section reductions.
634
635 2017-05-19  Martin Sebor  <msebor@redhat.com>
636
637         * print-tree.c (print_node): Print DECL_READ_P flag.
638
639 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
640
641         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
642         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
643         * cgraph.c: Likewise.
644         * cgraphunit.c: Likewise.
645         * gengtype.c: Likewise.
646         * ipa-cp.c: Likewise.
647         * ipa-devirt.c: Likewise.
648         * ipa-icf.c: Likewise.
649         * ipa-predicate.c: Likewise.
650         * ipa-profile.c: Likewise.
651         * ipa-prop.c: Likewise.
652         * ipa-split.c: Likewise.
653         * ipa.c: Likewise.
654         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
655         edge_predicate_pool, dump_inline_hints,
656         inline_summary::account_size_time, redirect_to_unreachable,
657         edge_set_predicate, set_hint_predicate,
658         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
659         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
660         inline_summary_t::remove, remap_hint_predicate_after_duplication,
661         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
662         ipa_call_summary_t::remove, initialize_growth_caches,
663         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
664         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
665         mark_modified, unmodified_parm_1, unmodified_parm,
666         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
667         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
668         compute_bb_predicates, will_be_nonconstant_expr_predicate,
669         will_be_nonconstant_predicate, record_modified_bb_info,
670         get_minimal_bb, record_modified, param_change_prob,
671         phi_result_unknown_predicate, predicate_for_phi_result,
672         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
673         estimate_function_body_sizes, compute_inline_parameters,
674         compute_inline_parameters_for_curren, pass_data_inline_parameters,
675         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
676         inline_update_callee_summaries, remap_edge_change_prob,
677         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
678         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
679         inline_analyze_function, inline_summary_t::insert,
680         inline_generate_summary, read_ipa_call_summary, inline_read_section,
681         inline_read_summary, write_ipa_call_summary, inline_write_summary,
682         inline_free_summary): Move to ipa-fnsummary.h
683         (predicate_t): Remove.
684         * ipa-fnsummary.c: New file.
685         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
686         (enum inline_hints_vals, inline_hints, agg_position_info,
687         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
688         inline_summaries, ipa_call_summary, ipa_call_summary_t,
689         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
690         dump_inline_summary, dump_inline_hints, inline_generate_summary,
691         inline_read_summary, inline_write_summary, inline_free_summary,
692         inline_analyze_function, initialize_inline_failed,
693         inline_merge_summary, inline_update_overall_summary,
694         compute_inline_parameters): Move to ipa-fnsummary.h
695         * ipa-fnsummary.h: New file.
696         * ipa-inline-transform.h: Include ipa-inline.h.
697         * ipa-inline.c: LIkewise.
698
699 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
700
701         * ipa-inline.c (edge_badness): Use inlined_time instead of
702         inline_summaries->get.
703
704 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
705
706         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
707
708 2017-05-22  Nathan Sidwell  <nathan@acm.org>
709
710         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
711         (fdump-lang): Document 'raw' option.
712         * dumpfile.h (TDI_tu): Delete.
713         * dumpfile.c (dump_files): Remove translation-unit.
714         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
715
716 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
717
718         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
719         command option from $(AWK) call.
720         * config/avr/genmultilib.awk: Simplify and rewrite so that it
721         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
722         [FORMAT]: Remove handling of variable.
723         * config/avr/t-multilib: Regenerate.
724
725 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
726
727         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
728         self_time.
729         (dump_inline_summary): Do not print self_time.
730         (estimate_function_body_sizes): Do not set self_time.
731         (compute_inline_parameters): Likewise.
732         (inline_read_section, inline_write_summary): Do not stream self_time.
733         * ipa-inline.h (inline_summary): Drop self_time.
734
735 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
736
737         * ipa-inline-analysis.c (account_size_time): Rename to ...
738         (inline_summary::account_size_time): ... this one.
739         (reset_ipa_call_summary): Turn to ...
740         (ipa_call_summary::reset): ... this one.
741         (reset_inline_summary): Turn to ...
742         (inline_summary::reset): ... this one.
743         (inline_summary_t::remove): Update.
744         (inline_summary_t::duplicate): Update.
745         (ipa_call_summary_t::remove): Update.
746         (dump_inline_summary): Update.
747         (estimate_function_body_sizes): Update.
748         (compute_inline_parameters): Update.
749         (estimate_node_size_and_time): Update.
750         (inline_merge_summary): Update.
751         (inline_update_overall_summary): Update.
752         (inline_read_section): Update.
753         (inline_write_summary): Update.
754         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
755         add account_size_time and reset member functions.
756         (ipa_call_summary): Add reset function.
757         * ipa-predicate.h (predicate::operator &): Constify.
758
759 2017-05-22  Richard Biener  <rguenther@suse.de>
760
761         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
762
763 2017-05-19  Jason Merrill  <jason@redhat.com>
764
765         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
766
767 2017-05-19  Marek Polacek  <polacek@redhat.com>
768
769         PR sanitizer/80800
770         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
771         TYPE_OVERFLOW_WRAPS checks.
772
773 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
774
775         * tree-core.h (enum omp_clause_default_kind): Add
776         "OMP_CLAUSE_DEFAULT_PRESENT".
777         * tree-pretty-print.c (dump_omp_clause): Handle it.
778         * gimplify.c (enum gimplify_omp_var_data): Add
779         "GOVD_MAP_FORCE_PRESENT".
780         (gimplify_adjust_omp_clauses_1): Map it to
781         "GOMP_MAP_FORCE_PRESENT".
782         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
783
784         * gimplify.c (oacc_default_clause): Clarify.
785
786 2017-05-19  Nathan Sidwell  <nathan@acm.org>
787
788         LANG_HOOK_REGISTER_DUMPS
789         * toplev.c (general_init): Call register dump lang hook.
790         * doc/invoke.texi: Document -fdump-lang option family.
791         * dumpfile.c (dump_files): Remove class dump here.
792         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
793         * dumpfile.h (tree_dump_index): Remove TDI_class.
794         * langhooks-def.h (lhd_register_dumps): Declare.
795         (LANG_HOOKS_REGISTER_DUMPS): Define.
796         (LANG_HOOKS_INITIALIZER): Add it.
797         * langhooks.c (lhd_register_dumps): Define.
798         * langhooks.h (struct lang_hooks): Add register_dumps.
799
800 2017-05-19  Nathan Sidwell  <nathan@acm.org>
801
802         * context.h (context::set_passes): New.
803         * context.c (context::context): Do not create pass manager.
804         * toplev.c (general_init): Create pass manager here.
805
806 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
807
808         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
809         use this splitter if two add or or instructions would also work for
810         the constant we want to generate.
811
812 2017-05-19  Richard Biener  <rguenther@suse.de>
813
814         PR build/80821
815         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
816         predicate evaluation.
817
818 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
819
820         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
821         add ctor.
822         * ipa-inline.c (want_inline_small_function_p): Do not cast to
823         unsigned.
824
825 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
826
827         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
828         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
829         (inline_edge_summary_vec): Turn into ...
830         (ipa_call_summaries): ... this one.
831         (redirect_to_unreachable, edge_set_predicate,
832         evaluate_properties_for_edge, inline_summary_alloc,
833         reset_ipa_call_summary, reset_inline_summary,
834         inline_summary_t::duplicate): Update.
835         (inline_edge_duplication_hook): Turn to ...
836         (ipa_call_summary_t::duplicate): ... this one.
837         (inline_edge_removal_hook): Turn to ...
838         (ipa_call_summary_t::remove): ... this one.
839         (dump_inline_edge_summary): Turn to ...
840         (dump_ipa_call_summary): ... this one.
841         (estimate_function_body_sizes): Update.
842         (inline_update_callee_summaries): Update.
843         (remap_edge_change_prob): Update.
844         (remap_edge_summaries): Update.
845         (inline_merge_summary): Update.
846         (do_estimate_edge_time): Update.
847         (inline_generate_summary): Update.
848         (inline_read_section): Update.
849         (inline_read_summary): Update.
850         (inline_free_summary): Update.
851         * ipa-inline.c (can_inline_edge_p): Update.
852         (compute_inlined_call_time): Update.
853         (want_inline_small_function_p): Update.
854         (edge_badness): Update.
855         (early_inliner): Update.
856         * ipa-inline.h (inline_edge_summary): Turn to ...
857         (ipa_call_summary): ... this one.
858         (ipa_call_summary_t): New class.
859         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
860         (ipa_call_summaries): New.
861         (inline_edge_summary): Remove.
862         (estimate_edge_growth): Update.
863         * ipa-profile.c (ipa_propagate_frequency_1): Update.
864         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
865         * ipa-split.c (execute_split_functions): Update.
866         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
867
868 2017-05-19  Richard Biener  <rguenther@suse.de>
869
870         PR middle-end/80764
871         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
872
873 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
874
875         * config/rs6000/rs6000.c (struct machine_function): Add field
876         fpr_is_wrapped_separately.
877         (rs6000_get_separate_components): Use 64 components.  Handle the
878         new FPR components.
879         (rs6000_components_for_bb): Handle the FPR components.
880         (rs6000_emit_prologue_components): Handle the FPR components.
881         (rs6000_emit_epilogue_components): Handle the FPR components.
882         (rs6000_set_handled_components): Handle the FPR components.
883         (rs6000_emit_prologue): Don't output prologue code for those FPRs
884         that are already separately shrink-wrapped.
885         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
886         that are already separately shrink-wrapped.
887
888 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
889
890         PR target/80510
891         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
892         New predicate.
893
894         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
895         (define_peephole2 for Altivec d-form load): Add peepholes to catch
896         cases where the register allocator uses a move and an offsettable
897         memory operation to/from a FPR register on ISA 2.06/2.07.
898         (define_peephole2 for Altivec d-form store): Likewise.
899
900 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
901
902         PR target/80799
903         * config/i386/mmx.md (*mov<mode>_internal): Enable
904         alternatives 11, 12, 13 and 14 also for 32bit targets.
905         Remove alternatives 15, 16, 17 and 18.
906         * config/i386/sse.md (vec_concatv2di): Change
907         alternative (!x, *y) to (x, ?!*Yn).
908
909 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
910
911         * dumpfile.h (enum dump_kind): Remove stray comma.
912
913 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
914
915         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
916         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
917         predicate::num_conditions
918         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
919         (CHANGED): turn into predicate::changed.
920         (agg_position_info): Move to ipa-predicate.h
921         (add_condition, predicate::add_clause, predicate::operator &=,
922         predicate::or_with, predicate::evaluate, predicate::probability,
923         dump_condition, dump_clause, predicate::dump,
924         predicate::remap_after_duplication, predicate::remap_after_inlining,
925         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
926         (evaluate_conditions_for_known_args): Update.
927         (set_cond_stmt_execution_predicate): Update.
928         * ipa-inline.h: Include ipa-predicate.h
929         (condition, inline_param_summary, conditions, agg_position_info,
930         predicate): Move to ipa-predicate.h
931         * ipa-predicate.c: New file.
932         * ipa-predicate.h: New file.
933
934 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
935
936         * final.c (leaf_function_p): Check we are not in a sequence.
937
938 2017-05-18  Martin Liska  <mliska@suse.cz>
939
940         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
941         * dumpfile.c (dump_register): Use new enum dump_kind.
942         (get_dump_file_name): Likewise.
943         (dump_enable_all): Likewise.
944         (dump_switch_p_1): Likewise.
945         (enable_rtl_dump_file): Remove usage of TDF_RTL.
946         * dumpfile.h (enum dump_kind): New enum type.
947         (struct dump_file_info): Create constructor and
948         format fields and comments.
949         * passes.c (pass_manager::register_one_dump_file):
950         Use num dump_kind.
951         * statistics.c (statistics_early_init): Likewise.
952         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
953         TDF_TREE with TDF_SLIM.
954         (gather_memory_references_ref): Likewise.
955
956 2017-05-18  Martin Liska  <mliska@suse.cz>
957
958         * vec.h (struct vnull): Use it.
959
960 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
961
962         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
963         (true_predicate, false_predicate, true_predicate_p,
964         false_predicate_p): Remove.
965         (single_cond_predicate, not_inlined_predicate): Turn to member function
966         in ipa-inline.h
967         (add_condition): Update.
968         (add_clause): Turn to...
969         (predicate::add_clause): ... this one; update; allow passing NULL
970         as parameter.
971         (and_predicates): Turn to ...
972         (predicate::operator &=): ... this one.
973         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
974         (or_predicates): Turn to ...
975         (predicate::or_with): ... this one.
976         (evaluate_predicate): Turn to ...
977         (predicate::evaluate): ... this one.
978         (predicate_probability): Turn to ...
979         (predicate::probability): ... this one.
980         (dump_condition): Update.
981         (dump_predicate): Turn to ...
982         (predicate::dump): ... this one.
983         (account_size_time): Update.
984         (edge_set_predicate): Update.
985         (set_hint_predicate): UPdate.
986         (evaluate_conditions_for_known_args): Update.
987         (evaluate_properties_for_edge): Update.
988         (remap_predicate_after_duplication): Turn to...
989         (predicate::remap_after_duplication): ... this one.
990         (remap_hint_predicate_after_duplication): Update.
991         (inline_summary_t::duplicate): UPdate.
992         (dump_inline_edge_summary): Update.
993         (dump_inline_summary): Update.
994         (set_cond_stmt_execution_predicate): Update.
995         (set_switch_stmt_execution_predicate): Update.
996         (compute_bb_predicates): Update.
997         (will_be_nonconstant_expr_predicate): Update.
998         (will_be_nonconstant_predicate): Update.
999         (phi_result_unknown_predicate): Update.
1000         (predicate_for_phi_result): Update.
1001         (array_index_predicate): Update.
1002         (estimate_function_body_sizes): Update.
1003         (estimate_node_size_and_time): Update.
1004         (estimate_ipcp_clone_size_and_time): Update.
1005         (remap_predicate): Rename to ...
1006         (predicate::remap_after_inlining): ... this one.
1007         (remap_hint_predicate): Update.
1008         (inline_merge_summary): Update.
1009         (inline_update_overall_summary): Update.
1010         (estimate_size_after_inlining): Update.
1011         (read_predicate): Rename to ...
1012         (predicate::stream_in): ... this one.
1013         (read_inline_edge_summary): Update.
1014         (write_predicate): Rename to ...
1015         (predicate::stream_out): ... this one.
1016         (write_inline_edge_summary): Update.
1017         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
1018         (clause_t): Turn to uint32_t
1019         (predicate): Turn to class; implement constructor and operators
1020         ==, !=, &
1021         (size_time_entry): Update.
1022         (inline_summary): Update.
1023         (inline_edge_summary): Update.
1024
1025 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
1026
1027         * fold-const.c (fold_binary_loc): Move transformation...
1028         * match.pd (C - X CMP X): ... here.
1029
1030 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
1031
1032         * config/sparc/sparc.c (sparc_option_override): Set function
1033         alignment for -mcpu=niagara7 to 64 to match the I$ line.
1034         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
1035         latency to 1.
1036         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
1037         latency to 2.
1038         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
1039
1040 2017-05-18  Marek Polacek  <polacek@redhat.com>
1041
1042         PR sanitizer/80797
1043         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
1044         (pass_ubsan::execute): Call gimple_assign_single_p instead of
1045         gimple_assign_load_p.
1046
1047 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1048
1049         PR middle-end/80692
1050         * real.c (do_compare): Give decimal_do_compare preference over
1051         comparing just the signs.
1052
1053 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
1054
1055         * doc/md.texi (Canonicalization of Instructions): Describe the
1056         canonical form of instructions that inherently set a condition
1057         code register.
1058
1059 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
1060
1061         PR middle-end/80775
1062         * tree-cfg.c: Move deletion of unreachable case statements to after
1063         the merging of consecutive case labels.
1064
1065 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1066
1067         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
1068         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
1069         restoring of callee-saved registers.
1070
1071 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
1072
1073         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
1074         * config/visium/visium.c (single_set_and_flags): Likewise.
1075         * config/visium/visium.md (Substitutions): Likewise.
1076
1077 2017-05-17  Martin Liska  <mliska@suse.cz>
1078
1079         * cfg.c: Introduce dump_flags_t type and
1080         use it instead of int type.
1081         * cfg.h: Likewise.
1082         * cfghooks.c: Likewise.
1083         * cfghooks.h (struct cfg_hooks): Likewise.
1084         * cfgrtl.c: Likewise.
1085         * cfgrtl.h: Likewise.
1086         * cgraph.c (cgraph_node::get_body): Likewise.
1087         * coretypes.h: Likewise.
1088         * domwalk.c: Likewise.
1089         * domwalk.h: Likewise.
1090         * dumpfile.c (struct dump_option_value_info): Likewise.
1091         (dump_enable_all): Likewise.
1092         (dump_switch_p_1): Likewise.
1093         (opt_info_switch_p): Likewise.
1094         * dumpfile.h (enum tree_dump_index): Likewise.
1095         (struct dump_file_info): Likewise.
1096         * genemit.c: Likewise.
1097         * generic-match-head.c: Likewise.
1098         * gengtype.c (open_base_files): Likewise.
1099         * gimple-pretty-print.c: Likewise.
1100         * gimple-pretty-print.h: Likewise.
1101         * graph.c (print_graph_cfg): Likewise.
1102         * graphite-scop-detection.c (dot_all_sese): Likewise.
1103         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
1104         * loop-unroll.c (report_unroll): Likewise.
1105         * passes.c (pass_manager::register_one_dump_file): Likewise.
1106         * print-tree.c: Likewise.
1107         * statistics.c: Likewise.
1108         * tree-cfg.c: Likewise.
1109         * tree-cfg.h: Likewise.
1110         * tree-dfa.c: Likewise.
1111         * tree-dfa.h: Likewise.
1112         * tree-dump.c (dump_function): Likewise.
1113         * tree-dump.h (struct dump_info): Likewise.
1114         * tree-pretty-print.c: Likewise.
1115         * tree-pretty-print.h: Likewise.
1116         * tree-ssa-live.c: Likewise.
1117         * tree-ssa-live.h: Likewise.
1118         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1119         * tree-vect-loop.c: Likewise.
1120         * tree-vect-slp.c: Likewise.
1121
1122 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
1123             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1124
1125         PR tree-optimization/80457
1126         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
1127         of all arguments to a statement as scalar_to_vec operations.
1128         (vectorizable_call): Adjust call to vect_model_simple_cost for
1129         new parameter.
1130         (vectorizable_conversion): Likewise.
1131         (vectorizable_assignment): Likewise.
1132         (vectorizable_shift): Likewise.
1133         (vectorizable_operation): Likewise.
1134         (vectorizable_comparison): Likewise.
1135         (vect_is_simple_cond): Record the def types for operands.
1136         (vectorizable_condition): Likewise, call vect_model_simple_cost.
1137         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
1138         for statement argument count.
1139
1140 2017-05-16  Carl Love  <cel@us.ibm.com>
1141
1142         * config/rs6000/rs6000-c: Add support for built-in functions
1143         vector unsigned long long vec_bperm (vector unsigned long long,
1144                                              vector unsigned char)
1145         vector signed long long vec_mule (vector signed int,
1146                                           vector signed int)
1147         vector unsigned long long vec_mule (vector unsigned int,
1148                                             vector unsigned int)
1149         vector signed long long vec_mulo (vector signed int,
1150                                           vector signed int)
1151         vector unsigned long long vec_mulo (vector unsigned int,
1152                                             vector unsigned int)
1153         vector signed char vec_sldw (vector signed char,
1154                                      vector signed char,
1155                                      const int)
1156         vector unsigned char vec_sldw (vector unsigned char,
1157                                        vector unsigned char,
1158                                        const int)
1159         vector signed short vec_sldw (vector signed short,
1160                                       vector signed short,
1161                                       const int)
1162         vector unsigned short vec_sldw (vector unsigned short,
1163                                         vector unsigned short,
1164                                         const int)
1165         vector signed int vec_sldw (vector signed int,
1166                                     vector signed int,
1167                                     const int)
1168         vector unsigned int vec_sldw (vector unsigned int,
1169                                       vector unsigned int,
1170                                       const int)
1171         vector signed long long vec_sldw (vector signed long long,
1172                                           vector signed long long,
1173                                           const int)
1174         vector unsigned long long vec_sldw (vector unsigned long long,
1175                                             vector unsigned long long,
1176                                             const int)
1177         * config/rs6000/rs6000-c: Add support for built-in functions
1178         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
1179         * config/rs6000/altivec.h: Add defintion for vec_sldw.
1180         * doc/extend.texi: Update the built-in documentation for the
1181         new built-in functions.
1182
1183 2017-05-16  Marek Polacek  <polacek@redhat.com>
1184
1185         PR sanitizer/80536
1186         PR sanitizer/80386
1187         * tree.c (save_expr): Don't fold the expression.
1188
1189 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
1190
1191         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
1192         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
1193         and (?*y,m).  Update insn attributes.
1194
1195 2017-05-16  Martin Liska  <mliska@suse.cz>
1196
1197         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
1198         flags argument of print_gimple_stmt, print_gimple_expr,
1199         print_generic_stmt and print_generic_expr.
1200         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
1201         * coretypes.h: Likewise.
1202         * except.c (dump_eh_tree): Likewise.
1203         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
1204         * gimple-pretty-print.h: Likewise.
1205         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
1206         (backprop::push_to_worklist): Likewise.
1207         (backprop::pop_from_worklist): Likewise.
1208         (backprop::process_use): Likewise.
1209         (backprop::intersect_uses): Likewise.
1210         (note_replacement): Likewise.
1211         * gimple-ssa-store-merging.c
1212         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
1213         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
1214         (pass_store_merging::execute): Likewise.
1215         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
1216         (ssa_base_cand_dump_callback): Likewise.
1217         (dump_incr_vec): Likewise.
1218         (replace_refs): Likewise.
1219         (replace_mult_candidate): Likewise.
1220         (create_add_on_incoming_edge): Likewise.
1221         (create_phi_basis): Likewise.
1222         (insert_initializers): Likewise.
1223         (all_phi_incrs_profitable): Likewise.
1224         (introduce_cast_before_cand): Likewise.
1225         (replace_one_candidate): Likewise.
1226         * gimplify.c (gimplify_expr): Likewise.
1227         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
1228         (set_rename): Likewise.
1229         (rename_uses): Likewise.
1230         (copy_loop_phi_nodes): Likewise.
1231         (add_close_phis_to_merge_points): Likewise.
1232         (copy_loop_close_phi_args): Likewise.
1233         (copy_cond_phi_args): Likewise.
1234         (graphite_copy_stmts_from_block): Likewise.
1235         (translate_pending_phi_nodes): Likewise.
1236         * graphite-poly.c (print_pdr): Likewise.
1237         (dump_gbb_cases): Likewise.
1238         (dump_gbb_conditions): Likewise.
1239         (print_scop_params): Likewise.
1240         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
1241         (build_cross_bb_scalars_use): Likewise.
1242         (gather_bbs::before_dom_children): Likewise.
1243         * hsa-dump.c (dump_hsa_immed): Likewise.
1244         * ipa-cp.c (print_ipcp_constant_value): Likewise.
1245         (get_replacement_map): Likewise.
1246         * ipa-inline-analysis.c (dump_condition): Likewise.
1247         (estimate_function_body_sizes): Likewise.
1248         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
1249         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
1250         * ipa-prop.c (ipa_dump_param): Likewise.
1251         (ipa_print_node_jump_functions_for_edge): Likewise.
1252         (ipa_modify_call_arguments): Likewise.
1253         (ipa_modify_expr): Likewise.
1254         (ipa_dump_param_adjustments): Likewise.
1255         (ipa_dump_agg_replacement_values): Likewise.
1256         (ipcp_modif_dom_walker::before_dom_children): Likewise.
1257         * ipa-pure-const.c (check_stmt): Likewise.
1258         (pass_nothrow::execute): Likewise.
1259         * ipa-split.c (execute_split_functions): Likewise.
1260         * omp-offload.c (dump_oacc_loop_part): Likewise.
1261         (dump_oacc_loop): Likewise.
1262         * trans-mem.c (tm_log_emit): Likewise.
1263         (tm_memopt_accumulate_memops): Likewise.
1264         (dump_tm_memopt_set): Likewise.
1265         (dump_tm_memopt_transform): Likewise.
1266         * tree-cfg.c (gimple_verify_flow_info): Likewise.
1267         (print_loop): Likewise.
1268         * tree-chkp-opt.c (chkp_print_addr): Likewise.
1269         (chkp_gather_checks_info): Likewise.
1270         (chkp_get_check_result): Likewise.
1271         (chkp_remove_check_if_pass): Likewise.
1272         (chkp_use_outer_bounds_if_possible): Likewise.
1273         (chkp_reduce_bounds_lifetime): Likewise.
1274         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
1275         (chkp_mark_completed_bounds): Likewise.
1276         (chkp_register_incomplete_bounds): Likewise.
1277         (chkp_mark_invalid_bounds): Likewise.
1278         (chkp_maybe_copy_and_register_bounds): Likewise.
1279         (chkp_build_returned_bound): Likewise.
1280         (chkp_get_bound_for_parm): Likewise.
1281         (chkp_build_bndldx): Likewise.
1282         (chkp_get_bounds_by_definition): Likewise.
1283         (chkp_generate_extern_var_bounds): Likewise.
1284         (chkp_get_bounds_for_decl_addr): Likewise.
1285         * tree-chrec.c (chrec_apply): Likewise.
1286         * tree-data-ref.c (dump_data_reference): Likewise.
1287         (dump_subscript): Likewise.
1288         (dump_data_dependence_relation): Likewise.
1289         (analyze_overlapping_iterations): Likewise.
1290         * tree-inline.c (expand_call_inline): Likewise.
1291         (tree_function_versioning): Likewise.
1292         * tree-into-ssa.c (dump_defs_stack): Likewise.
1293         (dump_currdefs): Likewise.
1294         (dump_names_replaced_by): Likewise.
1295         (dump_update_ssa): Likewise.
1296         (update_ssa): Likewise.
1297         * tree-object-size.c (pass_object_sizes::execute): Likewise.
1298         * tree-parloops.c (build_new_reduction): Likewise.
1299         (try_create_reduction_list): Likewise.
1300         (ref_conflicts_with_region): Likewise.
1301         (oacc_entry_exit_ok_1): Likewise.
1302         (oacc_entry_exit_single_gang): Likewise.
1303         * tree-pretty-print.h: Likewise.
1304         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
1305         (get_scalar_evolution): Likewise.
1306         (add_to_evolution): Likewise.
1307         (get_loop_exit_condition): Likewise.
1308         (analyze_evolution_in_loop): Likewise.
1309         (analyze_initial_condition): Likewise.
1310         (analyze_scalar_evolution): Likewise.
1311         (instantiate_scev): Likewise.
1312         (number_of_latch_executions): Likewise.
1313         (gather_chrec_stats): Likewise.
1314         (final_value_replacement_loop): Likewise.
1315         (scev_const_prop): Likewise.
1316         * tree-sra.c (dump_access): Likewise.
1317         (disqualify_candidate): Likewise.
1318         (create_access): Likewise.
1319         (reject): Likewise.
1320         (maybe_add_sra_candidate): Likewise.
1321         (create_access_replacement): Likewise.
1322         (analyze_access_subtree): Likewise.
1323         (analyze_all_variable_accesses): Likewise.
1324         (sra_modify_assign): Likewise.
1325         (initialize_constant_pool_replacements): Likewise.
1326         (find_param_candidates): Likewise.
1327         (decide_one_param_reduction): Likewise.
1328         (replace_removed_params_ssa_names): Likewise.
1329         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1330         * tree-ssa-copy.c (dump_copy_of): Likewise.
1331         (copy_prop_visit_cond_stmt): Likewise.
1332         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
1333         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
1334         (record_equivalences_from_stmt): Likewise.
1335         * tree-ssa-dse.c (compute_trims): Likewise.
1336         (delete_dead_call): Likewise.
1337         (delete_dead_assignment): Likewise.
1338         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
1339         (forward_propagate_into_cond): Likewise.
1340         (pass_forwprop::execute): Likewise.
1341         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
1342         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
1343         Likewise.
1344         (move_computations_worker): Likewise.
1345         (execute_sm): Likewise.
1346         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
1347         (remove_exits_and_undefined_stmts): Likewise.
1348         (remove_redundant_iv_tests): Likewise.
1349         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
1350         (adjust_iv_update_pos): Likewise.
1351         * tree-ssa-math-opts.c (bswap_replace): Likewise.
1352         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
1353         (value_replacement): Likewise.
1354         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1355         * tree-ssa-pre.c (print_pre_expr): Likewise.
1356         (get_representative_for): Likewise.
1357         (create_expression_by_pieces): Likewise.
1358         (insert_into_preds_of_block): Likewise.
1359         (eliminate_insert): Likewise.
1360         (eliminate_dom_walker::before_dom_children): Likewise.
1361         (eliminate): Likewise.
1362         (remove_dead_inserted_code): Likewise.
1363         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
1364         * tree-ssa-reassoc.c (get_rank): Likewise.
1365         (eliminate_duplicate_pair): Likewise.
1366         (eliminate_plus_minus_pair): Likewise.
1367         (eliminate_not_pairs): Likewise.
1368         (undistribute_ops_list): Likewise.
1369         (eliminate_redundant_comparison): Likewise.
1370         (update_range_test): Likewise.
1371         (optimize_range_tests_var_bound): Likewise.
1372         (optimize_vec_cond_expr): Likewise.
1373         (rewrite_expr_tree): Likewise.
1374         (rewrite_expr_tree_parallel): Likewise.
1375         (linearize_expr): Likewise.
1376         (break_up_subtract): Likewise.
1377         (linearize_expr_tree): Likewise.
1378         (attempt_builtin_powi): Likewise.
1379         (attempt_builtin_copysign): Likewise.
1380         (transform_stmt_to_copy): Likewise.
1381         (transform_stmt_to_multiply): Likewise.
1382         (dump_ops_vector): Likewise.
1383         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
1384         (print_scc): Likewise.
1385         (set_ssa_val_to): Likewise.
1386         (visit_reference_op_store): Likewise.
1387         (visit_use): Likewise.
1388         (sccvn_dom_walker::before_dom_children): Likewise.
1389         (run_scc_vn): Likewise.
1390         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
1391         Likewise.
1392         (expr_hash_elt::print): Likewise.
1393         (const_and_copies::pop_to_marker): Likewise.
1394         (const_and_copies::record_const_or_copy_raw): Likewise.
1395         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
1396         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
1397         (dump_predicates): Likewise.
1398         (find_uninit_use): Likewise.
1399         (warn_uninitialized_phi): Likewise.
1400         (pass_late_warn_uninitialized::execute): Likewise.
1401         * tree-ssa.c (verify_vssa): Likewise.
1402         (verify_ssa): Likewise.
1403         (maybe_optimize_var): Likewise.
1404         * tree-vrp.c (dump_value_range): Likewise.
1405         (dump_all_value_ranges): Likewise.
1406         (dump_asserts_for): Likewise.
1407         (register_edge_assert_for_2): Likewise.
1408         (vrp_visit_cond_stmt): Likewise.
1409         (vrp_visit_switch_stmt): Likewise.
1410         (vrp_visit_stmt): Likewise.
1411         (vrp_visit_phi_node): Likewise.
1412         (simplify_cond_using_ranges_1): Likewise.
1413         (fold_predicate_in): Likewise.
1414         (evrp_dom_walker::before_dom_children): Likewise.
1415         (evrp_dom_walker::push_value_range): Likewise.
1416         (evrp_dom_walker::pop_value_range): Likewise.
1417         (execute_early_vrp): Likewise.
1418
1419 2017-05-16  Richard Biener  <rguenther@suse.de>
1420
1421         * dwarf2out.c (loc_list_from_tree_1): Do not create
1422         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
1423
1424 2017-05-16  Richard Biener  <rguenther@suse.de>
1425
1426         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
1427         just generated.
1428         (note_variable_value_in_expr): If we resolved the decl ref
1429         do not push to the stack.
1430
1431 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1432
1433         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
1434         operations in fast-math mode.
1435         (vaddq_f16): Likewise.
1436         (vmul_f16): Likewise.
1437         (vmulq_f16): Likewise.
1438         (vsub_f16): Likewise.
1439         (vsubq_f16): Likewise.
1440         * config/arm/neon.md (add<mode>3): New.
1441         (sub<mode>3): New.
1442         (fma:<VH:mode>3): New.  Also remove outdated comment.
1443         (mul<mode>3): New.
1444
1445 2017-05-16  Martin Liska  <mliska@suse.cz>
1446
1447         PR ipa/79849.
1448         PR ipa/79850.
1449         * ipa-devirt.c (warn_types_mismatch): Fix typo.
1450         (odr_types_equivalent_p): Likewise.
1451
1452 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
1453
1454         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
1455
1456 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
1457
1458         PR target/80425
1459         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
1460         non-interunit SSE move alternatives with '?'.
1461         (zero-extendsidi peephole2): New peephole to skip intermediate
1462         general register in SSE zero-extend sequence.
1463
1464 2017-05-15  Jeff Law  <law@redhat.com>
1465
1466         * reorg.c (relax_delay_slots): Create a new variable to hold
1467         the temporary target rather than clobbering TARGET_LABEL.
1468
1469         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
1470         missing argument to extract_bit_field call.
1471         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
1472
1473 2017-05-15  Martin Liska  <mliska@suse.cz>
1474
1475         PR driver/31468
1476         * gcc.c (process_command): Do not allow empty argument of -o option.
1477
1478 2017-05-15  Renlin Li  <renlin.li@arm.com>
1479
1480         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
1481         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
1482         * config/aarch64/constraints.md (Usf): Add long call check.
1483         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
1484         (call_value): Likewise.
1485         (sibcall): Likewise.
1486         (sibcall_value): Likewise.
1487         (call_insn): New.
1488         (call_value_insn): New.
1489         (sibcall_insn): Update rtx pattern.
1490         (sibcall_value_insn): Likewise.
1491         (call_internal): Remove.
1492         (call_value_internal): Likewise.
1493         (sibcall_internal): Likewise.
1494         (sibcall_value_internal): Likewise.
1495         (call_reg): Likewise.
1496         (call_symbol): Likewise.
1497         (call_value_reg): Likewise.
1498         (call_value_symbol): Likewise.
1499
1500 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
1501
1502         PR target/80600
1503         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
1504
1505 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
1506
1507         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
1508         compatible with CCGOCmode and with CCZmode.
1509
1510 2017-05-14  Martin Sebor  <msebor@redhat.com>
1511
1512         PR middle-end/77671
1513         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
1514         (gimple_fold_builtin_snprintf): Same.
1515         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
1516         (gimple_fold_builtin_snprintf): Same.
1517         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
1518         of character types.
1519         (is_call_safe): New function.
1520         (try_substitute_return_value): Call it.
1521         (try_simplify_call): New function.
1522         (pass_sprintf_length::handle_gimple_call): Call it.
1523
1524 2017-05-14  Martin Sebor  <msebor@redhat.com>
1525
1526         PR middle-end/80669
1527         * builtins.c (expand_builtin_stpncpy): Simplify.
1528
1529 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
1530
1531         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
1532         * config/i386/i386.h
1533         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
1534         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
1535         (struct machine_function): Add new members call_ms2sysv,
1536         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
1537         (struct machine_frame_state): New fields sp_realigned and
1538         sp_realigned_offset.
1539         * config/i386/i386.c
1540         (enum xlogue_stub): New enum.
1541         (enum xlogue_stub_sets): New enum.
1542         (class xlogue_layout): New class.
1543         (struct ix86_frame): New fields stack_realign_allocate_offset,
1544         stack_realign_offset and outlined_save_offset.  Modify comments to
1545         detail stack layout when using out-of-line stubs.
1546         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
1547         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
1548         -mcall-ms2sysv-xlogues.
1549         (stub_managed_regs): New static variable.
1550         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
1551         registers managed by out-of-line stub.
1552         (disable_call_ms2sysv_xlogues): New function.
1553         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
1554         m->call_ms2sysv when appropriate and compute frame layout for
1555         out-of-line stubs.
1556         (sp_valid_at, fp_valid_at): New inline functions.
1557         (choose_basereg): New function.
1558         (choose_baseaddr): Add align parameter, use choose_basereg and modify
1559         all callers.
1560         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
1561         Use align parameter of choose_baseaddr to generated aligned SSE movs
1562         when possible.
1563         (pro_epilogue_adjust_stack): Modify to track
1564         machine_frame_state::sp_realigned.
1565         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
1566         (ix86_nsaved_sseregs): Likewise.
1567         (ix86_emit_save_regs): Likewise.
1568         (ix86_emit_save_regs_using_mov): Likewise.
1569         (ix86_emit_save_sse_regs_using_mov): Likewise.
1570         (get_scratch_register_on_entry): Likewise.
1571         (gen_frame_set): New function.
1572         (gen_frame_load): Likewise.
1573         (gen_frame_store): Likewise.
1574         (emit_outlined_ms2sysv_save): Likewise.
1575         (emit_outlined_ms2sysv_restore): Likewise.
1576         (ix86_expand_prologue): Modify stack re-alignment code and call
1577         emit_outlined_ms2sysv_save when appropriate.
1578         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
1579         parameter rtx_insn *insn, which allows the function to be used to only
1580         generate the notes.
1581         (ix86_expand_epilogue): Modify validity checks of frame and stack
1582         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
1583         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
1584         * config/i386/predicates.md
1585         (save_multiple): New predicate.
1586         (restore_multiple): Likewise.
1587         * config/i386/sse.md
1588         (save_multiple<mode>): New pattern.
1589         (save_multiple_realign<mode>): Likewise.
1590         (restore_multiple<mode>): Likewise.
1591         (restore_multiple_and_return<mode>): Likewise.
1592         (restore_multiple_leave_return<mode>): Likewise.
1593         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
1594
1595 2017-05-14  Julia Koval  <julia.koval@intel.com>
1596
1597         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
1598         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
1599         (__builtin_ia32_xsetbv): New builtins.
1600         * config/i386/i386.c (ix86_expand_special_args_builtin):
1601         Process new types.
1602         (ix86_expand_builtin): Special expand for new intrinsics.
1603         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
1604         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
1605         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
1606
1607 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1608
1609         * cfganal.c (inverted_post_order_compute): Change argument type
1610         to vec *.
1611         * cfganal.h (inverted_post_order_compute): Adjust prototype.
1612         * df-core.c (rest_of_handle_df_initialize): Adjust.
1613         (rest_of_handle_df_finish): Likewise.
1614         (df_analyze_1): Likewise.
1615         (df_analyze): Likewise.
1616         (loop_inverted_post_order_compute): Change argument to be a vec *.
1617         (df_analyze_loop): Adjust.
1618         (df_get_n_blocks): Likewise.
1619         (df_get_postorder): Likewise.
1620         * df.h (struct df_d): Change field to be a vec.
1621         * lcm.c (compute_laterin): Adjust.
1622         (compute_available): Likewise.
1623         * lra-lives.c (lra_create_live_ranges_1): Likewise.
1624         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
1625         * tree-ssa-pre.c (compute_antic): Likewise.
1626
1627 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1628
1629         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
1630         (depth_first_search::depth_first_search): Change structure init
1631         function to this constructor.
1632         (depth_first_search::add_bb): Rename function to this member.
1633         (depth_first_search::execute): Likewise.
1634         (flow_dfs_compute_reverse_finish): Adjust.
1635
1636 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1637
1638         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
1639         (longest_simple_path): Likewise.
1640         * shrink-wrap.c (spread_components): Likewise.
1641         (disqualify_problematic_components): Likewise.
1642         (emit_common_heads_for_components): Likewise.
1643         (emit_common_tails_for_components): Likewise.
1644         (insert_prologue_epilogue_for_components): Likewise.
1645
1646 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1647
1648         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
1649         auto_sbitmap.
1650
1651 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1652
1653         * df-core.c (df_set_blocks): Start using auto_bitmap.
1654         (df_compact_blocks): Likewise.
1655         * df-problems.c (df_rd_confluence_n): Likewise.
1656         * df-scan.c (df_insn_rescan_all): Likewise.
1657         (df_process_deferred_rescans): Likewise.
1658         (df_update_entry_block_defs): Likewise.
1659         (df_update_exit_block_uses): Likewise.
1660         (df_entry_block_bitmap_verify): Likewise.
1661         (df_exit_block_bitmap_verify): Likewise.
1662         (df_scan_verify): Likewise.
1663         * lra-constraints.c (lra_constraints): Likewise.
1664         (undo_optional_reloads): Likewise.
1665         (lra_undo_inheritance): Likewise.
1666         * lra-remat.c (calculate_gen_cands): Likewise.
1667         (do_remat): Likewise.
1668         * lra-spills.c (assign_spill_hard_regs): Likewise.
1669         (spill_pseudos): Likewise.
1670         * tree-ssa-pre.c (bitmap_set_and): Likewise.
1671         (bitmap_set_subtract_values): Likewise.
1672
1673 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1674
1675         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
1676         management with auto_bitmap.
1677         (fix_inter_tick): Likewise.
1678         (fix_recovery_deps): Likewise.
1679         * ira.c (add_store_equivs): Likewise.
1680         (find_moveable_pseudos): Likewise.
1681         (split_live_ranges_for_shrink_wrap): Likewise.
1682         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
1683         (rtx_reuse_manager::seen_def_p): Likewise.
1684         (rtx_reuse_manager::set_seen_def): Likewise.
1685         * print-rtl.h (class rtx_reuse_manager): Likewise.
1686
1687 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1688
1689         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
1690         lifetime.
1691         (migrate_btr_def): Likewise.
1692         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1693         * df-core.c (loop_post_order_compute): Likewise.
1694         (loop_inverted_post_order_compute): Likewise.
1695         * hsa-common.h: Likewise.
1696         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
1697         * init-regs.c (initialize_uninitialized_regs): Likewise.
1698         * ipa-inline.c (resolve_noninline_speculation): Likewise.
1699         (inline_small_functions): Likewise.
1700         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
1701         * ira.c (combine_and_move_insns): Likewise.
1702         (build_insn_chain): Likewise.
1703         * loop-invariant.c (find_invariants): Likewise.
1704         * lower-subreg.c (propagate_pseudo_copies): Likewise.
1705         * predict.c (tree_predict_by_opcode): Likewise.
1706         (predict_paths_leading_to): Likewise.
1707         (predict_paths_leading_to_edge): Likewise.
1708         (estimate_loops_at_level): Likewise.
1709         (estimate_loops): Likewise.
1710         * shrink-wrap.c (try_shrink_wrapping): Likewise.
1711         (spread_components): Likewise.
1712         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
1713         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
1714         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
1715         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
1716         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
1717         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1718         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
1719         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
1720         (mark_threaded_blocks): Likewise.
1721         (thread_through_all_blocks): Likewise.
1722         * tree-ssa.c (verify_ssa): Likewise.
1723         (execute_update_addresses_taken): Likewise.
1724         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
1725
1726 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1727
1728         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
1729         auto_vec.
1730         (post_order_compute): Likewise.
1731         (inverted_post_order_compute): Likewise.
1732         (pre_and_rev_post_order_compute_fn): Likewise.
1733
1734 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1735
1736         * genrecog.c (int_set::int_set): Explicitly construct our
1737         auto_vec base class.
1738         * vec.h (auto_vec::auto_vec): New constructor.
1739
1740 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1741
1742         * bitmap.h (class auto_bitmap): New constructor taking
1743         bitmap_obstack * argument.
1744
1745 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1746
1747         * bitmap.h (class auto_bitmap): Change type of m_bits to
1748         bitmap_head, and adjust ctor / dtor and member operators.
1749
1750 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
1751
1752         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
1753         when returned register mode doesn't match original mode.
1754
1755 2017-05-12  Jeff Law  <law@redhat.com>
1756             Jakub Jelinek  <jakub@redhat.com>
1757
1758         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
1759         we look for cc setter after the compare-elim changes.
1760         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
1761         within the vector to match what compare-elim now expects.
1762         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
1763         (xorsi3_flags, one_cmplsi2_flags): Likewise.
1764
1765         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
1766         after the compare-elim changes.
1767         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
1768         the vector to match what compare-elim now expects.
1769         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
1770         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
1771         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
1772         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
1773         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
1774
1775         * config/visium/visium.c (single_set_and_flags): Fix where
1776         we look for cc setter after the compare-elim changes.
1777         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
1778         with the vector to match what compare-elim now expects.
1779         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
1780         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
1781         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
1782         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
1783         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
1784         (neg<mode>2_insn_set_overflow): Likewise.
1785
1786 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
1787
1788         PR middle-end/79794
1789         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
1790         maybe_expand_insn call, set ops[0].target.  If still set after call,
1791         set alt_rtl.  Add extra arg to recursive calls.
1792         (extract_bit_field): Add alt_rtl argument.  Pass to
1793         extract_bit_field.
1794         * expmed.h (extract_bit_field): Fix prototype.
1795         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
1796         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
1797         to extract_bit_field_calls.
1798         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
1799         Pass alt_rtl to extract_bit_field calls.
1800         * calls.c (store_unaligned_arguments_into_psuedos)
1801         load_register_parameters): Pass extra NULL to extract_bit_field calls.
1802         * optabs.c (maybe_legitimize_operand): Clear op->target when call
1803         gen_reg_rtx.
1804         * optabs.h (struct expand_operand): Add target bitfield.
1805
1806 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
1807
1808         * compare-elim.c (try_eliminate_compare): Canonicalize
1809         operation with embedded compare to
1810         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
1811          (set (reg) (operation)].
1812
1813         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
1814
1815 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
1816
1817         PR target/80723
1818         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
1819         cost of adding a carry flag for ADC instruction.
1820         [case MINUS]: Ignore the cost of subtracting a carry flag
1821         for SBB instruction.
1822
1823 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
1824
1825         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
1826         and x86intrin.h
1827         * config/rs6000/bmiintrin.h: New file.
1828         * config/rs6000/bmi2intrin.h: New file.
1829         * config/rs6000/x86intrin.h: New file.
1830
1831 2017-05-12  Jeff Law  <law@redhat.com>
1832
1833         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
1834         markers.
1835
1836 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
1837
1838         PR middle-end/80707
1839         * tree-cfg.c: Remove cfg edges of unreachable case statements.
1840
1841 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
1842
1843         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
1844         early expansion of vector divide builtins.
1845         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
1846         builtins identified as having unsigned arguments.
1847
1848 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
1849
1850         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
1851         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
1852         expansion of vector logical operations (and, andc, or, xor,
1853         nor, orc, nand).
1854
1855 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
1856
1857         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
1858         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
1859
1860 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
1861
1862         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
1863         early GIMPLE expansion of vector multiplies.
1864
1865 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
1866
1867         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
1868         TARGET_HAVE_MOVT conditional.
1869         (movt splitter): Likewise.
1870
1871 2017-05-12  Richard Biener  <rguenther@suse.de>
1872
1873         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
1874         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1875         Fold all stmts not inplace.
1876
1877 2017-05-12  Richard Biener  <rguenther@suse.de>
1878
1879         PR tree-optimization/80713
1880         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
1881         inserted_exprs bit for not removed stmts.
1882
1883 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
1884
1885         PR middle-end/69921
1886         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
1887         parallelized" attribute for parallelized OpenACC kernels.
1888         * omp-offload.c (execute_oacc_device_lower): Use it.
1889
1890         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
1891         Set "oacc kernels" attribute.
1892         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
1893         parameter.  Adjust all users.
1894         (oacc_fn_attrib_kernels_p): Remove function.
1895         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
1896         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
1897         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
1898         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
1899         assert "oacc kernels" attribute is set.
1900
1901 2017-05-11  Carl Love  <cel@us.ibm.com>
1902
1903         * config/rs6000/rs6000-c: Add support for built-in functions
1904         vector unsigned char vec_popcnt (vector signed char)
1905         vector unsigned char vec_popcnt (vector unsigned char)
1906         vector unsigned short vec_popcnt (vector signed short)
1907         vector unsigned short vec_popcnt (vector unsigned short)
1908         vector unsigned int vec_popcnt (vector signed int)
1909         vector unsigned int vec_popcnt (vector unsigned int)
1910         vector unsigned long long vec_popcnt (vector signed long long)
1911         vector unsigned long long vec_popcnt (vector unsigned long long)
1912         vector signed long long vec_slo (vector signed long long,
1913                                          vector signed char)
1914         vector signed long long vec_slo (vector signed long long,
1915                                          vector unsigned char)
1916         vector unsigned long long vec_slo (vector unsigned long long,
1917                                            vector signed char)
1918         vector unsigned long long vec_slo (vector unsigned long long,
1919                                            vector unsigned char)
1920         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
1921         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
1922         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
1923         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
1924         * doc/extend.texi: Update the built-in documentation file for the
1925         new built-in functions.
1926
1927 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
1928
1929         * attribs.h (sorted_attr_string): Move machine independent
1930         functions for target clone support from the i386 port to common
1931         code.  Rename ix86_function_versions to common_function_versions.
1932         Rename make_name to make_unique_name.
1933         (common_function_versions): Likewise.
1934         (make_unique_name): Likewise.
1935         (make_dispatcher_decl): Likewise.
1936         (is_function_default_version): Likewise.
1937         * attribs.c (attr_strcmp): Likewise.
1938         (sorted_attr_string): Likewise.
1939         (common_function_versions): Likewise.
1940         (make_unique_name): Likewise.
1941         (make_dispatcher_decl): Likewise.
1942         (is_function_default_version): Likewise.
1943         * config/i386/i386.c (attr_strcmp): Likewise.
1944         (sorted_attr_string): Likewise.
1945         (ix86_function_versions): Likewise.
1946         (make_name): Likewise.
1947         (make_dispatcher_decl): Likewise.
1948         (is_function_default_version): Likewise.
1949         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
1950
1951 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1952
1953         PR target/80695
1954         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
1955         Account for direct move costs for vec_construct of integer
1956         vectors.
1957
1958 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
1959
1960         PR target/80706
1961         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
1962         (UNSPEC_STX_ATOMIC): Ditto.
1963         (loaddi_via_sse): New insn.
1964         (storedi_via_sse): Ditto.
1965         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
1966         Update corresponding peephole2 patterns.
1967         (atomic_storedi_fpu): Ditto.
1968
1969 2017-05-11  Julia Koval  <julia.koval@intel.com>
1970
1971         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
1972         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
1973         New intrinsics.
1974         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
1975         (__builtin_ia32_rsqrt14ss_mask): New builtins.
1976         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
1977
1978 2017-05-11  Nathan Sidwell  <nathan@acm.org>
1979
1980         * graphite-poly.c: Include dumpfile.h.
1981
1982         * dumpfle.h (dump_function): Declare here ...
1983         * tree-dump.h (dump_function): ... not here.
1984         * dumpfile.c: #include tree-cfg.h.
1985         (dump_function): Move here from ...
1986         * tree-dump.c (dump_function): ... here.
1987         * gimplify.c: #include splay-tree.h, not tree-dump.h.
1988         * graphite-poly.c: Don't include tree-dump.h.
1989         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
1990         * print-tree.c: Likewise.
1991         * stor-layout.c: Likewise.
1992         * tree-nested.c: Likewise.
1993
1994         * dumpfile.c (dump_start): Use TDF_FLAGS.
1995         (dump_enable_all): Fix TDF_KIND check thinko.
1996
1997 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1998
1999         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2000         array entries to represent two legal parameterizations of the
2001         overloaded __builtin_cmpb function, as represented by the
2002         P6_OV_BUILTIN_CMPB constant.
2003         (altivec_resolve_overloaded_builtin): Add special case handling
2004         for the __builtin_cmpb function, as represented by the
2005         P6_OV_BUILTIN_CMPB constant.
2006         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
2007         (BU_P6_64BIT_2): New macro.
2008         (BU_P6_OVERLOAD_2): New macro
2009         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
2010         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
2011         (CMPB): Add overload support to represent both 32-bit and 64-bit
2012         compare-bytes function.
2013         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
2014         support for TARGET_CMPB.
2015         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
2016         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
2017         documentation of the __builtin_cmpb overloaded built-in function.
2018
2019 2017-05-11  Richard Biener  <rguenther@suse.de>
2020
2021         PR tree-optimization/80705
2022         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
2023         bases are not vectorizable.
2024
2025 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2026
2027         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
2028         when counting register pressure.
2029
2030 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2031
2032         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
2033         (iv_ca_more_deps): Renamed to ...
2034         (iv_ca_compare_deps): ... this.
2035         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
2036
2037 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2038
2039         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
2040         to ...
2041         (determine_group_iv_costs): ... here.
2042         (find_inv_vars_cb): Record inv var if it's not recorded before.
2043
2044 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2045
2046         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
2047         (get_shiftadd_cost): Ditto.
2048
2049 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2050
2051         * tree-ssa-address.c: Include header file.
2052         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
2053         address.
2054         (add_to_parts): Refactor.
2055         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
2056         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
2057         in new order.
2058
2059 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2060
2061         PR tree-optimization/53090
2062         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
2063         COMP_IV_EXPR_2.
2064         (extract_cond_operands): Detect condition with IV on both sides
2065         and return COMP_IV_EXPR_2.
2066         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
2067         (rewrite_use_compare): Simplify by removing call to function
2068         extract_cond_operands.
2069
2070 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2071
2072         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
2073         (extract_cond_operands): Detect condition comparing against non-
2074         invariant bound and return appropriate enum value.
2075         (find_interesting_uses_cond): Update use of extract_cond_operands.
2076         Handle its return value accordingly.
2077         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
2078
2079 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2080
2081         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
2082         nonlinear iv_use computation in loop invariant sensitive way.
2083
2084 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2085
2086         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
2087         (find_iv_candidates): Call relate_compare_use_with_all_cands.
2088
2089 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2090
2091         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
2092         (dump_cand): Support iv_cand.inv_exprs.
2093         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
2094         for candidates.
2095         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
2096         iv_cand.inv_exprs.
2097
2098 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2099
2100         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
2101         from ...
2102         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
2103         as local function.  Include necessary header files.
2104         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
2105
2106 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2107
2108         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
2109
2110 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2111
2112         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
2113         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
2114         RSHIFT_EXPR and BIT_NOT_EXPR.
2115
2116 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2117
2118         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
2119         (adjust_setup_cost): New parameter supporting round up adjustment.
2120         (struct address_cost_data): Delete.
2121         (force_expr_to_var_cost): Don't bound cost with spill_cost.
2122         (split_address_cost, ptr_difference_cost): Delete.
2123         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
2124         (struct ainc_cost_data): New struct.
2125         (get_address_cost_ainc): New function.
2126         (get_address_cost, get_computation_cost): Reimplement.
2127         (determine_group_iv_cost_address): Record inv_expr for all uses of
2128         a group.
2129         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
2130         (iv_ca_has_deps): Reimplemented to ...
2131         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
2132         than OLD_CP.
2133         (iv_ca_extend): Call iv_ca_more_deps.
2134
2135 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2136
2137         * tree-ssa-address.c (struct mem_address): Move to header file.
2138         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
2139         * tree-ssa-address.h (struct mem_address): Move from C file.
2140         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
2141
2142 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2143
2144         * tree-affine.h (aff_combination_type): New interface.
2145         (aff_combination_zero_p): Remove static.
2146         (aff_combination_const_p): New interface.
2147         (aff_combination_singleton_var_p): New interfaces.
2148
2149 2017-05-11  Richard Biener  <rguenther@suse.de>
2150
2151         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2152         Skip unreachable blocks and destinations.
2153         (eliminate): Move stmt removal and fixup ...
2154         (fini_eliminate): ... here.  Skip inserted exprs.
2155         (pass_pre::execute): Move fini_pre after fini_eliminate.
2156         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
2157         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
2158         PRE to get rid of dead code that has invalid SSA form and
2159         split critical edges again.
2160
2161 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
2162
2163         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
2164
2165 2017-05-11  Richard Biener  <rguenther@suse.de>
2166
2167         * passes.c (execute_function_todo): Verify loops if they are
2168         said to be up-to-date.
2169         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
2170         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
2171
2172 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
2173
2174         PR target/80090
2175         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
2176         handle calling assemble_external ourself.
2177
2178         PR target/79027
2179         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
2180         modes with zero size.  Enhance comment.
2181
2182 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2183
2184         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
2185         built-ins for vec_xl and vec_xst with short and char pointer
2186         arguments.
2187
2188 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
2189
2190         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
2191         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
2192         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
2193         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
2194         (_mm_maskz_min_round_ss): New intrinsics.
2195         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
2196         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
2197         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
2198         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
2199         (__builtin_ia32_minss_mask_round): New builtins.
2200         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
2201         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
2202         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
2203         Rename to ...
2204         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
2205         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
2206         Change to ...
2207         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
2208         ... this.
2209
2210 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
2211
2212         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
2213         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
2214         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
2215         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
2216         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
2217         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
2218         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
2219         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
2220         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
2221         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
2222         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
2223         (__builtin_ia32_mulss_mask_round): New builtins.
2224         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
2225         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
2226         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
2227         Rename to ...
2228         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
2229         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
2230         Change to ...
2231         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
2232         ... this.
2233
2234 2017-05-10  Julia Koval  <julia.koval@intel.com>
2235
2236         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
2237         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
2238         (_mm256_setr_m128i): New intrinsics.
2239
2240 2017-05-10  Julia Koval  <julia.koval@intel.com>
2241
2242         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
2243         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
2244         (_mm_maskz_rcp14_ss): New intrinsics.
2245         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
2246         (__builtin_ia32_rcp14ss_mask): New builtins.
2247         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
2248
2249 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
2250
2251         PR tree-optimization/51513
2252         * tree-cfg.c (gimple_seq_unreachable_p): New function.
2253         (assert_unreachable_fallthru_edge_p): Use it.
2254         (group_case_labels_stmt): Likewise.
2255         * tree-cfg.h: Prototype it.
2256         * stmt.c: Include cfghooks.h and tree-cfg.h.
2257         (emit_case_dispatch_table) <gap_label>: New local variable.
2258         Use it to fill dispatch table gaps.
2259         Test for default_label before updating probabilities.
2260         (expand_case) <default_label>: Remove unneeded initialization.
2261         Test for unreachable default case statement and remove its edge.
2262         Set default_label accordingly.
2263         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
2264
2265 2017-05-10  Carl Love  <cel@us.ibm.com>
2266
2267         * config/rs6000/rs6000-c: Add support for built-in functions
2268         vector signed char        vec_neg (vector signed char)
2269         vector signed short int   vec_neg (vector short int)
2270         vector signed int         vec_neg (vector signed int)
2271         vector signed long long   vec_neg (vector signed long long)
2272         vector float              vec_neg (vector float)
2273         vector double             vec_neg (vector double)
2274         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
2275         overload.
2276         * config/rs6000/altivec.h: Add define for vec_neg
2277         * doc/extend.texi: Update the built-in documentation for the
2278         new built-in functions.
2279
2280 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2281
2282         PR tree-optimization/77644
2283         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
2284
2285 2017-05-10  Nathan Sidwell  <nathan@acm.org>
2286
2287         * dumpfile.h (TDI_lang_all): New.
2288         (TDF_KIND): New. Renumber others
2289         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
2290         than bits.
2291         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
2292         lang-all.
2293         (get_dump_file_name): Adjust suffix generation.
2294         (dump_enable_all): Use TDF_KIND.
2295         * doc/invoke.texi (-fdump-lang-all): Document.
2296
2297         * dumpfile.h: Tabify.
2298
2299 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
2300
2301         PR target/80671
2302         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
2303         Move member access before delete.
2304
2305 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
2306
2307         * tree-inline.c (expand_call_inline): Split block at stmt
2308         before the call.
2309
2310 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2311
2312         PR target/68163
2313         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
2314         are now unused after splitting mov{sf,sd}_hardfloat.
2315         (f32_lr2): Likewise.
2316         (f32_lm): Likewise.
2317         (f32_lm2): Likewise.
2318         (f32_li): Likewise.
2319         (f32_li2): Likewise.
2320         (f32_lv): Likewise.
2321         (f32_sr): Likewise.
2322         (f32_sr2): Likewise.
2323         (f32_sm): Likewise.
2324         (f32_sm2): Likewise.
2325         (f32_si): Likewise.
2326         (f32_si2): Likewise.
2327         (f32_sv): Likewise.
2328         (f32_dm): Likewise.
2329         (f32_vsx): Likewise.
2330         (f32_av): Likewise.
2331         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
2332         For movsf, order stores so the VSX stores occur before the GPR
2333         store which encourages the register allocator to use a traditional
2334         FPR instead of a GPR.  For movsd, order the stores so that the GPR
2335         store comes before the VSX stores to allow the power6 to work.
2336         This is due to the power6 not having a 32-bit integer store
2337         instruction from a FPR.
2338         (movsf_hardfloat): Likewise.
2339         (movsd_hardfloat): Likewise.
2340
2341 2017-05-09  Martin Sebor  <msebor@redhat.com>
2342
2343         PR translation/80280
2344         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
2345         added in r247778.
2346
2347         PR translation/80280
2348         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
2349         data member added in r247778.
2350         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
2351
2352 2017-05-09  Nathan Sidwell  <nathan@acm.org>
2353
2354         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
2355
2356         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
2357         typedefs.
2358
2359 2017-05-09  Marek Polacek  <polacek@redhat.com>
2360
2361         * doc/invoke.texi: Fix typo.
2362
2363 2017-05-09  Richard Biener  <rguenther@suse.de>
2364
2365         * tree-vrp.c (vrp_val_is_max): Adjust comment.
2366         (vrp_val_is_min): Likewise.
2367         (set_value_range_to_value): Likewise.
2368         (set_value_range_to_nonnegative): Likewise.
2369         (gimple_assign_nonzero_p): Likewise.
2370         (gimple_stmt_nonzero_p): Likewise.
2371         (vrp_int_const_binop): Likewise.  Remove unreachable case.
2372         (adjust_range_with_scev): Adjust comments.
2373         (compare_range_with_value): Likewise.
2374         (extract_range_from_phi_node): Likewise.
2375         (test_for_singularity): Likewise.
2376
2377 2017-05-09  Richard Biener  <rguenther@suse.de>
2378
2379         * tree-vrp.c (get_single_symbol): Add assert that we don't
2380         get overflowed constants as invariant part.
2381         (compare_values_warnv): Add comment before the TREE_NO_WARNING
2382         checks.  Use wi::cmp instead of recursing for integer constants.
2383         (compare_values): Just ignore whether we assumed undefined
2384         overflow instead of failing the compare.
2385         (extract_range_for_var_from_comparison_expr): Add comment before the
2386         TREE_NO_WARNING sets.
2387         (test_for_singularity): Likewise.
2388         (extract_range_from_comparison): Do not disable optimization
2389         when we assumed undefined overflow.
2390         (extract_range_basic): Remove init of unused var.
2391
2392 2017-05-09  Richard Biener  <rguenther@suse.de>
2393
2394         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
2395         (extract_range_from_multiplicative_op_1): Adjust.
2396         (extract_range_from_binary_expr_1): Use int_const_binop.
2397
2398 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2399
2400         PR target/80101
2401         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
2402         rs6000_store_data_bypass_p in seven define_bypass directives and
2403         in several comments.
2404         * config/rs6000/rs6000-protos.h: Add prototype for
2405         rs6000_store_data_bypass_p function.
2406         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
2407         function implements slightly different (rs6000-specific) semantics
2408         than store_data_bypass_p, returning false rather than aborting
2409         with assertion error when arguments do not satisfy the
2410         requirements of store data bypass.
2411         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
2412         rs6000_store_data_bypass_p.
2413
2414 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
2415
2416         * config/xtensa/xtensa-protos.h
2417         (xtensa_initial_elimination_offset): New declaration.
2418         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
2419         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
2420         macro definition, add case for FRAME_POINTER_REGNUM when
2421         FRAME_GROWS_DOWNWARD.
2422         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
2423         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
2424         xtensa_initial_elimination_offset.
2425
2426 2017-05-08  Nathan Sidwell  <nathan@acm.org>
2427
2428         * doc/invoke.texi: Alphabetize -fdump options.
2429
2430 2017-05-08  Martin Sebor  <msebor@redhat.com>
2431
2432         PR translation/80280
2433         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
2434
2435 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2436
2437         * target.def (compute_frame_layout): New optional target hook.
2438         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
2439         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
2440         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
2441         target hook.
2442         * reload1.c (verify_initial_elim_offsets): Likewise.
2443         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
2444         (use_simple_return_p): Call arm_compute_frame_layout if needed.
2445         (arm_get_frame_offsets): Split up into this ...
2446         (arm_compute_frame_layout): ... and this function.
2447
2448 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
2449
2450         * config/aarch64/constraints.md (Usa): New constraint.
2451         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
2452
2453 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2454
2455         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
2456         with_multilib_list after it has been checked.
2457
2458 2017-05-08  Richard Biener  <rguenther@suse.de>
2459
2460         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
2461         (bitmap_set_subtract_values): Likewise.
2462
2463 2017-05-08  Richard Biener  <rguenther@suse.de>
2464
2465         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
2466         (gimple_assign_nonzero): ... this and remove strict_overflow_p
2467         argument.
2468         (gimple_stmt_nonzero_warnv_p): Rename to ...
2469         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
2470         argument.
2471         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
2472         (extract_range_basic): Adjust, do not disable propagation on
2473         strict overflow sensitive simplification.
2474         (vrp_visit_cond_stmt): Likewise.
2475
2476 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
2477
2478         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
2479         body size unconditionally.
2480
2481 2017-05-07  Jeff Law  <law@redhat.com>
2482
2483         Revert:
2484         2017-05-06  Jeff Law  <law@redhat.com>
2485         PR tree-optimization/78496
2486         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
2487         code.
2488
2489         PR tree-optimization/78496
2490         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
2491         (simplify_stmt_using_ranges): Call it.
2492         (vrp_dom_walker::before_dom_children): Extract equivalences
2493         from an ASSERT_EXPR with an equality comparison against a
2494         constant.
2495
2496 2017-05-06  Jeff Law  <law@redhat.com>
2497
2498         PR tree-optimization/78496
2499         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
2500         code.
2501
2502         PR tree-optimization/78496
2503         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
2504         (simplify_stmt_using_ranges): Call it.
2505         (vrp_dom_walker::before_dom_children): Extract equivalences
2506         from an ASSERT_EXPR with an equality comparison against a
2507         constant.
2508
2509 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
2510
2511         * lra-constraints.c (lra_copy_reg_equiv): New function.
2512         (split_reg): Use it to copy equivalence information from the
2513         original register to the spill register.
2514
2515 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
2516
2517         PR rtl-optimization/75964
2518         * simplify-rtx.c (simplify_const_relational_operation): Remove
2519         invalid handling of comparisons of integer ABS.
2520
2521 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
2522
2523         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
2524         initialize to zero.
2525         (init_regs): Remove declaration.
2526         (function_arg_advance_32): Initialize error_p as boolean variable.
2527
2528 2017-05-05  Nathan Sidwell  <nathan@acm.org>
2529
2530         * store-motion.c (remove_reachable_equiv_notes): Reformat long
2531         lines.  Use for (;;).
2532
2533 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2534
2535         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
2536         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
2537         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
2538         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
2539         VF=2 that require versioning.
2540
2541 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
2542
2543         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
2544         int.
2545
2546 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
2547
2548         * diagnostic.h (diagnostic_override_option_index): Convert from
2549         macro to inline function.
2550
2551 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
2552
2553         * diagnostic.c (last_module_changed_p): New function.
2554         (set_last_module): New function.
2555         (diagnostic_report_current_module): Convert macro usage to
2556         the above functions.
2557         * diagnostic.h (diagnostic_context::last_module): Strengthen
2558         from const line_map * to const line_map_ordinary *.
2559         (diagnostic_last_module_changed): Delete macro.
2560         (diagnostic_set_last_module): Delete macro.
2561
2562 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
2563
2564         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
2565         with diagnostic_report_diagnostic.
2566         (diagnostic_n_impl_richloc): Likewise.
2567         * diagnostic.h (report_diagnostic): Delete macro.
2568         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
2569         with diagnostic_report_diagnostic.
2570         * substring-locations.c (format_warning_va): Likewise.
2571
2572 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
2573
2574         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
2575         save/restor of format_spec.  Move option-printing code to...
2576         (print_option_information): ...this new function, and
2577         reimplement by simply printing to the pretty_printer,
2578         rather than appending to the format string.
2579
2580 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
2581
2582         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
2583         handling logic into...
2584         (update_effective_level_from_pragmas): ...this new function.
2585
2586 2017-05-04  Andrew Waterman  <andrew@sifive.com>
2587
2588         * config/riscv/riscv.opt (mstrict-align): New option.
2589         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
2590         (SLOW_UNALIGNED_ACCESS): Define.
2591         (riscv_slow_unaligned_access): Declare.
2592         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
2593         field.
2594         (riscv_slow_unaligned_access): New variable.
2595         (rocket_tune_info): Set slow_unaligned_access to true.
2596         (optimize_size_tune_info): Set slow_unaligned_access to false.
2597         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
2598         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
2599         (riscv_option_override): Set riscv_slow_unaligned_access.
2600         * doc/invoke.texi: Add -mstrict-align to RISC-V.
2601
2602 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
2603
2604         * config/riscv/riscv.md: Unify indentation.
2605
2606 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
2607
2608         PR target/79038
2609         PR target/79202
2610         PR target/79203
2611         * config/rs6000/rs6000.md (u code attribute): Add FIX and
2612         UNSIGNED_FIX.
2613         (extendsi<mode>2): Add support for doing sign extension via
2614         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
2615         don't have ISA 3.0 instructions.
2616         (extendsi<mode>2 splitter): Likewise.
2617         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
2618         generate the normal insns since SImode can now go in vector
2619         registers.  Disallow the special UNSPECs needed for previous
2620         machines to hide SImode being used.  Add new insns
2621         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
2622         (fix_trunc<mode>si2_stfiwx): Likewise.
2623         (fix_trunc<mode>si2_internal): Likewise.
2624         (fixuns_trunc<mode>si2): Likewise.
2625         (fixuns_trunc<mode>si2_stfiwx): Likewise.
2626         (fctiw<u>z_<mode>_smallint): Likewise.
2627         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
2628         of floating point to 32-bit integer from doing a direct move to
2629         the GPR registers to do a store.
2630         (fctiwz_<mode>): Break long line.
2631
2632 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
2633
2634         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
2635         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
2636         (addr_list, addr_offset_valid_p): New.
2637         (split_address_groups): Check offset validity with above function.
2638         (gt-tree-ssa-loop-ivopts.h): Include header file.
2639
2640 2017-05-05  Nathan Sidwell  <nathan@acm.org>
2641
2642         * config.gcc (arm*-*-*): Add missing 'fi'.
2643
2644 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
2645
2646         * doc/invoke.texi (-fopt-info): Explicitly say order of options
2647         included in -fopt-info does not matter.
2648         * doc/optinfo.texi (-fopt-info): Fix description of default
2649         behavour. Explicitly say order of options included in -fopt-info
2650         does not matter.
2651
2652 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2653
2654         * config.gcc: Allow combinations of aprofile and rmprofile values for
2655         --with-multilib-list.
2656         * config/arm/t-multilib: New file.
2657         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
2658         variables.  Remove setting of ISA and floating-point ABI in
2659         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
2660         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
2661         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
2662         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
2663         CPU options.
2664         * config/arm/t-rmprofile: Likewise except for the matches changes.
2665         * doc/install.texi (--with-multilib-list): Document the combination of
2666         aprofile and rmprofile values and warn about pitfalls in doing that.
2667
2668 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
2669
2670         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
2671         (movdi_aarch64): Likewise.
2672
2673 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
2674
2675         PR tree-optimization/80632
2676         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
2677         field.
2678         (build_arrays): Initialize it for virtual phis.
2679         (fix_phi_nodes): Use it for virtual phis.
2680
2681         PR tree-optimization/80558
2682         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
2683         [x, y] op z into [x op, y op z] for op & or | if conditions
2684         are met.
2685
2686 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2687             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
2688
2689         PR target/71607
2690         * config/arm/arm.md (use_literal_pool): Remove.
2691         (64-bit immediate split): No longer takes cost into consideration
2692         if arm_disable_literal_pool is enabled.
2693         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
2694         used when arm_disable_literal_pool is enabled.
2695         (arm_max_const_double_inline_cost): Remove use of
2696         arm_disable_literal_pool.
2697         (push_minipool_fix): Add assert.
2698         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
2699         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
2700         (no_literal_pool_sf_immediate): New.
2701
2702 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2703
2704         PR tree-optimization/80613
2705         * tree-ssa-dce.c (propagate_necessity): Remove cases for
2706         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
2707
2708 2017-05-05  Richard Biener  <rguenther@suse.de>
2709
2710         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
2711
2712 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
2713
2714         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
2715         of this flag from insn conditions due to removal from r247495.
2716
2717 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
2718
2719         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
2720         New function.
2721         (arm_early_store_addr_dep_ptr): Likewise.
2722         * config/arm/aarch-common-protos.h
2723         (arm_early_load_addr_dep_ptr): Add prototype.
2724         (arm_early_store_addr_dep_ptr): Likewise.
2725         * config/arm/cortex-a53.md: Add new bypasses.
2726
2727 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
2728
2729         * tree.c (next_type_uid): Change type to unsigned.
2730         (type_hash_canon): Decrement back next_type_uid if
2731         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
2732         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
2733         if possible.
2734
2735 2017-05-04  Martin Sebor  <msebor@redhat.com>
2736
2737         * builtins.c: Fix a trivial typo in a comment.
2738
2739         PR middle-end/79234
2740         * builtins.c (check_sizes): Adjust to handle reading past the end.
2741         Avoid printing excessive upper bound of ranges.  Use %E to print
2742         tree nodes instead of converting them to %wu.
2743         (expand_builtin_memchr): New function.
2744         (compute_dest_size): Rename...
2745         (compute_objsize): ...to this.
2746         (expand_builtin_memcpy): Adjust.
2747         (expand_builtin_mempcpy): Adjust.
2748         (expand_builtin_strcat): Adjust.
2749         (expand_builtin_strcpy): Adjust.
2750         (check_strncat_sizes): Adjust.
2751         (expand_builtin_strncat): Adjust.
2752         (expand_builtin_strncpy): Adjust and simplify.
2753         (expand_builtin_memset): Adjust.
2754         (expand_builtin_bzero): Adjust.
2755         (expand_builtin_memcmp): Adjust.
2756         (expand_builtin): Handle memcmp.
2757         (maybe_emit_chk_warning): Check strncat just once.
2758
2759 2017-05-04  Martin Sebor  <msebor@redhat.com>
2760
2761         PR preprocessor/79214
2762         PR middle-end/79222
2763         PR middle-end/79223
2764         * builtins.c (check_sizes): Add inlining context and issue
2765         warnings even when -Wno-system-headers is set.
2766         (check_strncat_sizes): Same.
2767         (expand_builtin_strncat): Same.
2768         (expand_builtin_memmove): New function.
2769         (expand_builtin_stpncpy): Same.
2770         (expand_builtin): Handle memmove and stpncpy.
2771
2772 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
2773
2774         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
2775         which is not used any more.
2776
2777 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
2778
2779         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
2780
2781 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
2782
2783         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
2784         (cortexa53_tunings): Likewise.
2785         (cortexa57_tunings): Likewise.
2786         (cortexa72_tunings): Likewise.
2787         (cortexa73_tunings): Likewise.
2788
2789 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
2790
2791         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
2792         Set loop alignment to 8.
2793
2794 2017-05-04  Martin Sebor  <msebor@redhat.com>
2795
2796         PR translation/80280
2797         * builtins.c (expand_builtin_object_size): Add missing quoting to
2798         %D and like directives.
2799         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
2800         (hsa_type_for_tree_type): Same.
2801         (verify_function_arguments): Same.
2802         * symtab.c (symbol_table::change_decl_assembler_name): Same.
2803         * varasm.c (get_section): Same.
2804         (mark_weak): Same.
2805
2806 2017-05-04  Martin Sebor  <msebor@redhat.com>
2807
2808         PR translation/80280
2809         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
2810
2811 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
2812
2813         * config/aarch64/aarch64.c (generic_addrcost_table):
2814         Change HI/TI mode setting.
2815
2816 2017-05-04  Martin Jambor  <mjambor@suse.cz>
2817
2818         PR tree-optimization/80622
2819         * tree-sra.c (comes_initialized_p): New function.
2820         (build_accesses_from_assign): Only set write lazily when
2821         comes_initialized_p is false.
2822         (analyze_access_subtree): Use comes_initialized_p.
2823         (propagate_subaccesses_across_link): Assert !comes_initialized_p
2824         instead of testing for PARM_DECL.
2825
2826 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2827
2828         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
2829         constraint on operand 0 to allow more general addressing modes.
2830         Adjust output template.
2831         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
2832         New function.
2833         * config/aarch64/aarch64-protos.h
2834         (aarch64_address_valid_for_prefetch_p): Declare prototype.
2835         * config/aarch64/constraints.md (Dp): New address constraint.
2836         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
2837         predicate.
2838
2839 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
2840
2841         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
2842         update use of estimate_ipcp_clone_size_and_time.
2843         (estimate_local_effects): Update use of
2844         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
2845         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
2846         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
2847         Return nonspecialized time.
2848
2849 2017-05-04  Richard Biener  <rguenther@suse.de>
2850
2851         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
2852         for the last VUSE which def dominates the PHI.  Directly call
2853         maybe_skip_until.
2854         (get_continuation_for_phi_1): Remove.
2855
2856 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
2857
2858         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
2859         to explain the use of truncating division.  Cap the number of
2860         iterations to the maximum given by nb_iterations_upper_bound,
2861         if defined.
2862
2863 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2864
2865         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
2866         * configure: Regenerate.
2867         * config.in: Regenerate.
2868         * config/i386/driver-mingw32.c: new file.
2869         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
2870         * config.host: Link driver-mingw32.o on MinGW host.
2871         * doc/install.texi: Document new --enable-mingw-wildcard configure
2872         option.
2873
2874 2017-05-04  Marek Polacek  <polacek@redhat.com>
2875
2876         PR tree-optimization/80612
2877         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
2878
2879 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
2880             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
2881
2882         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
2883         (movt splitter): Likewise.
2884         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
2885         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
2886         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
2887         block for Thumb-1 with MOVT.
2888         (thumb2_legitimate_address_p): Move code block ...
2889         (can_avoid_literal_pool_for_label_p): ... into this new function.
2890         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
2891         literal pool.
2892         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
2893         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
2894         "M-profile targets with the MOVT instruction".
2895
2896 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
2897
2898         * gcc/config/arm/arm-builtins.c (arm_init_builtins): Rename
2899         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
2900         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
2901
2902 2017-05-04  Martin Liska  <mliska@suse.cz>
2903
2904         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
2905         variable cond_code.
2906
2907 2017-05-04  Richard Biener  <rguenther@suse.de>
2908
2909         * tree.c (array_at_struct_end_p): Handle arrays at struct
2910         end with flexarrays more conservatively.  Refactor and treat
2911         arrays of arrays or aggregates more strict.  Fix
2912         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
2913         * tree.c (array_at_struct_end_p): Adjust prototype.
2914         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
2915         * gimple-fold.c (get_range_strlen): Likewise.
2916         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
2917
2918 2017-05-04  Richard Biener  <rguenther@suse.de>
2919
2920         PR tree-optimization/31130
2921         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
2922         false.
2923         (supports_overflow_infinity): Likewise.
2924         (is_negative_overflow_infinity): Likewise.
2925         (is_positive_overflow_infinity): Likewise.
2926         (is_overflow_infinity): Likewise.
2927         (stmt_overflow_infinity): Likewise.
2928         (overflow_infinity_range_p): Likewise.
2929         (usable_range_p): Remove as always returning true.
2930         (make_overflow_infinity): Remove.
2931         (negative_overflow_infinity): Likewise.
2932         (positive_overflow_infinity): Likewise.
2933         (avoid_overflow_infinity): Likewise.
2934         (set_value_range): Adjust accordingly.
2935         (set_value_range_to_nonnegative): Likewise, remove now unused
2936         overflow_infinity arg.
2937         (vrp_operand_equal_p): Adjust.
2938         (update_value_range): Likewise.
2939         (range_int_cst_singleton_p): Likewise.
2940         (operand_less_p): Likewise.
2941         (compare_values_warnv): Likewise.
2942         (extract_range_for_var_from_comparison_expr): Likewise.
2943         (vrp_int_const_binop): Likewise.
2944         (zero_nonzero_bits_from_vr): Likewise.
2945         (extract_range_from_multiplicative_op_1): Likewise.
2946         (extract_range_from_binary_expr_1): Likewise.
2947         (extract_range_from_unary_expr): Likewise.
2948         (extract_range_from_comparison): Likewise.
2949         (extract_range_basic): Likewise.
2950         (adjust_range_with_scev): Likewise.
2951         (compare_ranges): Likewise.
2952         (compare_range_with_value): Likewise.
2953         (dump_value_range): Likewise.
2954         (test_for_singularity): Likewise, remove strict_overflow_p parameter
2955         never used.
2956         (simplify_cond_using_ranges): Adjust.
2957
2958 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
2959
2960         * brig-builtins.def: Added a builtin for class_f64.
2961         * builtin-types.def: Added a builtin type needed by class_f64.
2962
2963 2017-05-03  Jason Merrill  <jason@redhat.com>
2964
2965         * timevar.def: Add TV_CONSTEXPR.
2966
2967 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
2968
2969         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
2970
2971 2017-05-03  Martin Jambor  <mjambor@suse.cz>
2972
2973         * ipa-prop.c (ipa_update_after_lto_read): Removed.
2974         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
2975         * ipa-cp.c (ipcp_propagate_stage): Do not call
2976         ipa_update_after_lto_read.
2977         * ipa-inline.c (ipa_inline): Likewise.
2978
2979 2017-05-03  Martin Jambor  <mjambor@suse.cz>
2980
2981         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
2982         tag.  Added a default constructor and a destructor.
2983         (ipa_edge_args_sum_t): New class;
2984         (ipa_edge_args_sum): Declare.
2985         (ipa_edge_args_vector): Remove declaration.
2986         (IPA_EDGE_REF): Use ipa_edge_args_sum.
2987         (ipa_free_edge_args_substructures): Remove declaration.
2988         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
2989         (ipa_edge_args_info_available_for_edge_p): Likewise.
2990         * ipa-prop.c (ipa_edge_args_vector): Removed.
2991         (edge_removal_hook_holder): Likewise.
2992         (edge_duplication_hook_holder): Likewise.
2993         (ipa_edge_args_sum): New variable.
2994         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
2995         ipa_edge_args_vector.
2996         (ipa_free_edge_args_substructures): Likewise.
2997         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
2998         ipa_edge_args_vector.
2999         (ipa_edge_removal_hook): Turned into method
3000         ipa_edge_args_sum_t::remove.
3001         (ipa_edge_duplication_hook): Turned into method
3002         ipa_edge_args_sum_t::duplicate.
3003         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
3004         registering edge hooks.
3005         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
3006         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
3007         ipa_edge_args_sum instead of ipa_edge_args_vector.
3008         * ipa-profile.c (ipa_profile): Likewise.
3009
3010 2017-05-03  Martin Jambor  <mjambor@suse.cz>
3011
3012         * symbol-summary.h (function_summary): New method exists.
3013         (function_summary::symtab_removal): Deallocate through release.
3014         (call_summary): New class.
3015         (gt_ggc_mx): New overload.
3016         (gt_pch_nx): Likewise.
3017         (gt_pch_nx): Likewise.
3018
3019 2017-05-03  Jeff Law  <law@redhat.com>
3020
3021         PR tree-optimization/78496
3022         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
3023         from simplify_cond_using_ranges.  Split off code to walk
3024         backwards through casts into ...
3025         (simplify_cond_using_ranges_2): New function.
3026         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
3027         (execute_vrp): After identifying jump threads, call
3028         simplify_cond_using_ranges_2.
3029
3030 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
3031
3032         PR bootstrap/80609
3033         * ipa-inline.h (inline_summary): Add ctor.
3034         (create_ggc): Do not use ggc_cleared_alloc.
3035
3036 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
3037             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3038
3039         * gcc.c (handle_braces): Support escaping in switch matching
3040         text.
3041         * doc/invoke.texi (Spec Files): Document it.
3042         Remove superfluous @code markup in items.
3043
3044 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
3045
3046         * diagnostic-show-locus.c (struct column_range): New struct.
3047         (get_affected_columns): New function.
3048         (get_printed_columns): New function.
3049         (struct correction): New struct.
3050         (correction::ensure_capacity): New function.
3051         (correction::ensure_terminated): New function.
3052         (struct line_corrections): New struct.
3053         (line_corrections::~line_corrections): New dtor.
3054         (line_corrections::add_hint): New function.
3055         (layout::print_trailing_fixits): Reimplement in terms of the new
3056         classes.
3057         (selftest::test_overlapped_fixit_printing): New function.
3058         (selftest::diagnostic_show_locus_c_tests): Call it.
3059
3060 2017-05-03  Nathan Sidwell  <nathan@acm.org>
3061
3062         Canonicalize canonical type hashing
3063         * tree.h (type_hash_canon_hash): Declare.
3064         * tree.c (type_hash_list, attribute_hash_list): Move into
3065         type_hash_canon_hash.
3066         (build_type_attribute_qual_variant): Break out hash code calc into
3067         type_hash_canon_hash.
3068         (type_hash_canon_hash): New.  Generic type hash computation.
3069         (build_range_type_1, build_array_type_1, build_function_type,
3070         build_method_type_directly, build_offset_type, build_complex_type,
3071         make_vector_type): Call it.
3072
3073 2017-05-03  Richard Biener  <rguenther@suse.de>
3074
3075         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3076         When all DRs have unknown misaligned do not always peel
3077         when there is a store but apply the same costing model as if
3078         there were only loads.
3079
3080 2017-05-03  Richard Biener  <rguenther@suse.de>
3081
3082         Revert
3083         PR tree-optimization/80492
3084         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
3085         compare_base_decls returning dont-know properly.
3086
3087 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3088
3089         * config/arm/iterators.md (CCSI): New mode iterator.
3090         (arch): New mode attribute.
3091         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
3092         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
3093         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
3094         code iterator for success result mode.
3095         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
3096         the corresponding new insn generators.
3097
3098 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
3099
3100         Revert r247509
3101         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3102         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
3103
3104 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
3105
3106         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
3107         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
3108         (DDR_A): Wrap DDR argument in brackets.
3109         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
3110         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
3111         (DDR_REVERSED_P): Likewise.
3112
3113 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
3114
3115         PR tree-optimization/79472
3116         * tree-switch-conversion.c (struct switch_conv_info): Add
3117         contiguous_range and default_case_nonstandard fields.
3118         (collect_switch_conv_info): Compute contiguous_range and
3119         default_case_nonstandard fields, don't clear final_bb if
3120         contiguous_range and only the default case doesn't have the required
3121         structure.
3122         (check_all_empty_except_final): Set default_case_nonstandard instead
3123         of failing if contiguous_range and the default case doesn't have empty
3124         block.
3125         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
3126         and only the default case doesn't have the required constants.  Skip
3127         virtual phis.
3128         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
3129         if default_case_nonstandard.
3130         (build_constructors): Build constant 1 just once.  Assert that default
3131         values aren't inserted in between cases if contiguous_range.  Skip
3132         virtual phis.
3133         (build_arrays): Skip virtual phis.
3134         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
3135         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
3136         Handle virtual phis.
3137         (gen_inbound_check): Handle default_case_nonstandard case.
3138         (process_switch): Adjust check_final_bb caller.  Call
3139         gather_default_values with the first non-default case instead of
3140         default case if default_case_nonstandard.
3141
3142 2017-05-02  Nathan Sidwell  <nathan@acm.org>
3143
3144         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
3145         check.  Fix formatting.
3146
3147 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
3148
3149         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
3150         errors when comparing specialized and unspecialized times.
3151
3152 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
3153
3154         * diagnostic-show-locus.c
3155         (layout::should_print_annotation_line_p): Make private.
3156         (layout::print_annotation_line): Make private.
3157         (layout::annotation_line_showed_range_p): Make private.
3158         (layout::show_ruler): Make private.
3159         (layout::print_source_line): Make private.  Pass in line and
3160         line_width, rather than calling location_get_source_line.  Drop
3161         returned value.
3162         (layout::print_leading_fixits): New method.
3163         (layout::print_any_fixits): Rename to...
3164         (layout::print_trailing_fixits): ...this, and make private.
3165         Don't print newline fixits.
3166         (diagnostic_show_locus): Move logic for printing one row into...
3167         (layout::print_line): ...this new function.  Move the
3168         location_get_source_line call and error-handling from
3169         print_source_line to here.  Call print_leading_fixits, and rename
3170         print_any_fixits to print_trailing_fixits.
3171         (selftest::test_fixit_insert_containing_newline): Update now that
3172         newlines are partially supported.
3173         (selftest::test_fixit_insert_containing_newline_2): New test.
3174         (selftest::test_fixit_replace_containing_newline): Update comments.
3175         (selftest::diagnostic_show_locus_c_tests): Call the new test.
3176         * edit-context.c (class added_line): New class.
3177         (class edited_line): Describe newline handling in comment.
3178         (edited_line::actually_edited_p): New method.
3179         (edited_line::print_content): Delete redundant decl.
3180         (edited_line::m_predecessors): New field.
3181         (edited_file::print_content): Call edited_line::print_content.
3182         (edited_file::print_diff): Update to support newlines.
3183         (edited_file::print_diff_hunk): Likewise.
3184         (edited_file::print_run_of_changed_lines): New function.
3185         (edited_file::print_diff_line): Convert to...
3186         (print_diff_line): ...this.
3187         (edited_file::get_effective_line_count): New function.
3188         (edited_line::edited_line): Initialize new field m_predecessors.
3189         (edited_line::~edited_line): Clean up m_predecessors.
3190         (edited_line::apply_fixit): Handle newlines.
3191         (edited_line::get_effective_line_count): New function.
3192         (edited_line::print_content): New function.
3193         (edited_line::print_diff_lines): New function.
3194         (selftest::test_applying_fixits_insert_containing_newline): New
3195         test.
3196         (selftest::test_applying_fixits_replace_containing_newline): New
3197         test.
3198         (selftest::insert_line): New function.
3199         (selftest::test_applying_fixits_multiple_lines): Add example of
3200         inserting a line.
3201         (selftest::edit_context_c_tests): Call the new tests.
3202
3203 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3204
3205         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
3206         parameter cand.  Update dump information.
3207         (get_computation_cost): Update uses.
3208
3209 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3210
3211         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
3212         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
3213         (get_computation_at, rewrite_use_address): Update use of
3214         get_computation_aff.
3215
3216 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3217
3218         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
3219         (get_computation): Delete.
3220         (get_computation_cost): Implement like get_computation_cost_at.
3221         Use get_computation_at.
3222         (get_computation_cost_at): Delete.
3223         (rewrite_use_nonlinear_expr): Use get_computation_at.
3224         (rewrite_use_compare, remove_unused_ivs): Ditto.
3225
3226 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3227
3228         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
3229
3230 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3231
3232         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
3233         (ivopts_global_cost_for_size): Rename parameter and update uses.
3234         (iv_ca_recount_cost): Update uses.
3235         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
3236         candidates seperately in n_invs and n_cands.
3237         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
3238
3239 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3240
3241         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
3242         (find_inv_vars_cb): New.
3243         (find_depends): Renamed to ...
3244         (find_inv_vars): ... this.
3245         (add_candidate_1, force_var_cost): Call find_inv_vars.
3246         (split_address_cost, determine_group_iv_cost_cond): Ditto.
3247
3248 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3249
3250         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
3251         inv_vars.  Add inv_exprs.
3252         (struct iv_cand): Rename depends_on to inv_vars.
3253         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
3254         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
3255         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
3256         (dump_cand): Dump inv_vars.
3257         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
3258         (record_invariant, find_depends, add_candidate_1): Ditto.
3259         (set_group_iv_cost, force_var_cost): Ditto.
3260         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
3261         (get_computation_cost_at, get_computation_cost): Ditto.
3262         (determine_group_iv_cost_generic): Ditto.
3263         (determine_group_iv_cost_address): Ditto.
3264         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
3265         (determine_group_iv_costs): Ditto.
3266         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
3267         (iv_ca_set_remove_invariants): Renamed to ...
3268         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
3269         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
3270         (iv_ca_set_add_invariants):  Renamed to ...
3271         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
3272         (iv_ca_set_cp): Use iv_ca_set_add_invs.
3273         (iv_ca_has_deps): Support inv_vars and inv_exprs.
3274         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
3275         (create_new_ivs): Remove useless dump.
3276
3277 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3278
3279         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
3280         iv_cand code.
3281         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
3282         (iv_ca_set_no_cp, create_new_iv): Ditto.
3283
3284 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
3285
3286         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
3287
3288 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
3289
3290         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
3291         function tree_check2.
3292
3293 2017-05-02  Martin Liska  <mliska@suse.cz>
3294
3295         * doc/gcov.texi: Add missing preposition.
3296         * gcov.c (function_info::function_info): Properly fill up
3297         all member variables.
3298
3299 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
3300
3301         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
3302
3303 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
3304
3305         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
3306
3307 2017-05-02  Martin Liska  <mliska@suse.cz>
3308
3309         PR lto/77954.
3310         * lto-streamer-in.c (lto_read_tree_1): Remove
3311         LTO_STREAMER_DEBUG.
3312         * lto-streamer.c (struct tree_hash_entry): Likewise.
3313         (struct tree_entry_hasher): Likewise.
3314         (tree_entry_hasher::hash): Likewise.
3315         (tree_entry_hasher::equal): Likewise.
3316         (lto_streamer_init): Likewise.
3317         (lto_orig_address_map): Likewise.
3318         (lto_orig_address_get): Likewise.
3319         (lto_orig_address_remove): Likewise.
3320         * lto-streamer.h: Likewise.
3321         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
3322         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
3323
3324 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
3325
3326         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
3327         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
3328         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
3329         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
3330         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
3331         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
3332         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
3333         (mm_maskz_sub_ss): New intrinsics.
3334         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3335         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
3336         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
3337         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
3338         (__builtin_ia32_subss_mask_round): New builtins.
3339         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
3340         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
3341         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
3342         Renamed to ...
3343         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
3344         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
3345         Changed to ...
3346         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
3347         ... this.
3348
3349 2017-05-02  Martin Jambor  <mjambor@suse.cz>
3350
3351         PR tree-optimization/78687
3352         * tree-sra.c (access): New field parent.
3353         (process_subtree_disqualification): New function.
3354         (disqualify_candidate): Call it.
3355         (build_accesses_from_assign): Reset write flag if creating an
3356         assighnment link.
3357         (build_access_subtree): Fill in parent field and also prpagate
3358         down grp_write flag.
3359         (create_artificial_child_access): New parameter set_grp_write, set
3360         grp_write to its value.
3361         (propagate_subaccesses_across_link): Also propagate grp_write flag
3362         values.
3363         (propagate_all_subaccesses): Push the closest parent back to work
3364         queue if add_access_to_work_queue returned true.
3365
3366 2017-05-02  Richard Biener  <rguenther@suse.de>
3367
3368         * common.opt (fstrict-overflow): Alias negative to fwrapv.
3369         * doc/invoke.texi (fstrict-overflow): Remove all traces of
3370         -fstrict-overflow documentation.
3371         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
3372         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
3373         flag_strict_overflow.
3374         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
3375         * lto-opts.c (lto_write_options): Do not stream it.
3376         * lto-wrapper.c (merge_and_complain): Do not handle it.
3377         * opts.c (default_options_table): Do not set -fstrict-overflow.
3378         (finish_options): Likewise do not clear it when sanitizing.
3379         * simplify-rtx.c (simplify_const_relational_operation): Do not
3380         test flag_strict_overflow.
3381
3382 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
3383
3384         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
3385         using enabled attribute.
3386         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
3387         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
3388         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
3389         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
3390         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
3391         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
3392         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
3393         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
3394         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
3395         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
3396
3397 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
3398
3399         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
3400
3401 2017-05-02  Richard Biener  <rguenther@suse.de>
3402
3403         PR tree-optimization/80591
3404         Revert
3405         2017-04-10  Richard Biener  <rguenther@suse.de>
3406
3407         * tree-ssa-structalias.c (find_func_aliases): Properly handle
3408         asm inputs.
3409
3410 2017-05-02  Richard Biener  <rguenther@suse.de>
3411
3412         PR tree-optimization/80549
3413         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
3414         (cleanup_tree_cfg_noloop): Create forwarders to known loop
3415         headers if they do not have a preheader.
3416
3417 2017-05-02  Martin Liska  <mliska@suse.cz>
3418
3419         PR other/80589
3420         * common.opt: Fix typo.
3421         * doc/invoke.texi: Likewise.
3422
3423 2017-05-01  Jan Beulich  <jbeulich@suse.com>
3424
3425         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
3426         swapping, add (x,x,m,x,n) alternative.
3427
3428 2017-05-01  Nathan Sidwell  <nathan@acm.org>
3429
3430         * calls.c (combine_pending_stack_adjustment_and_call): Remove
3431         unnecessary unadjusted_alignment check.
3432
3433 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
3434
3435         PR c++/80038
3436         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
3437         operations here.
3438         * gimplify.c (gimplify_cilk_detach): New function.
3439         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
3440         * tree-core.h: Document EXPR_CILK_SPAWN.
3441         * tree.h (EXPR_CILK_SPAWN): Define.
3442
3443 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
3444
3445         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
3446         to use new fixit_hint representation, using the "replace" logic.
3447         (get_line_span_for_fixit_hint): Likewise.
3448         (layout::print_any_fixits): Likewise.
3449         (selftest::test_one_liner_many_fixits): Rename to...
3450         (selftest::test_one_liner_many_fixits_1): ...this, and update
3451         comment and expected output to reflect that the multiple fix-it
3452         hints are now consolidated into one insertion.
3453         (selftest::test_one_liner_many_fixits_2): New test.
3454         (selftest::test_diagnostic_show_locus_one_liner): Update for
3455         above.
3456         (selftest::test_fixit_consolidation): Update for fix-it API
3457         change.
3458         * diagnostic.c (print_parseable_fixits): Likewise.
3459         * edit-context.c (edited_line::m_line_events): Convert from
3460         auto_vec <line_event *> to auto_vec <line_event>.
3461         (class line_event): Convert from abstract base class to a concrete
3462         class, taking over the role of replace_event.
3463         (class insert_event): Delete.
3464         (class replace_event): Rename to class line_event.  Convert to
3465         half-open range.
3466         (edit_context::add_fixits): Reimplement.
3467         (edit_context::apply_insert): Delete.
3468         (edit_context::apply_replace): Rename to...
3469         (edit_context::apply_fixit): ...this.  Convert to half-open range.
3470         (edited_file::apply_insert): Delete.
3471         (edited_file::apply_replace): Rename to...
3472         (edited_file::apply_fixit): ...this.
3473         (edited_line::~edited_line): Drop deletion of events.
3474         (edited_line::apply_insert): Delete.
3475         (edited_line::apply_replace): Rename to...
3476         (edited_line::apply_fixit): ...this.  Convert to half-open range.
3477         Update for change to type of m_line_events.
3478         * edit-context.h (edit_context::apply_insert): Delete.
3479         (edit_context::apply_replace): Rename to...
3480         (edit_context::apply_fixit): ...this.
3481
3482 2017-05-01  Martin Sebor  <msebor@redhat.com>
3483
3484         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
3485         known.
3486
3487 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
3488
3489         PR target/68491
3490         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
3491         __get_cpuid_max returns 0.
3492         (__get_cpuid_count): Ditto.
3493
3494 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
3495
3496         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
3497         replacement expression is another instance of one of its arguments.
3498
3499 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
3500
3501         PR target/79430
3502         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
3503         check for stack push/pop autoinc.
3504         * config/i386/i386.c (ix86_agi_dependent): Return false
3505         if the only reason why modified_in_p returned true is that
3506         addr is SP based and set_insn is a push or pop.
3507
3508 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
3509
3510         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
3511         overflow check.
3512
3513 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
3514
3515         PR ipa/79224
3516         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
3517         (account_size_time): Use two predicates - exec_pred and
3518         nonconst_pred_ptr.
3519         (evaluate_conditions_for_known_args): Compute both clause and
3520         nonspec_clause.
3521         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
3522         (inline_summary_t::duplicate): Update.
3523         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
3524         separately.
3525         (compute_inline_parameters): Likewise.
3526         (estimate_edge_size_and_time): Update caluclation of time.
3527         (estimate_node_size_and_time): Compute both time and nonspecialized
3528         time.
3529         (estimate_ipcp_clone_size_and_time): Update.
3530         (inline_merge_summary): Update.
3531         (do_estimate_edge_time): Update.
3532         (do_estimate_edge_size): Update.
3533         (do_estimate_edge_hints): Update.
3534         (inline_read_section, inline_write_summary): Stream both new predicates.
3535         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
3536         as argument.
3537         (compute_inlined_call_time): Cleanup.
3538         (big_speedup_p): Update.
3539         (edge_badness): Update.
3540         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
3541         (size_time_entry): Replace predicate by exec_predicate and
3542         nonconst_predicate.
3543         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
3544         (estimate_edge_time): Return also nonspec_time.
3545         (reset_edge_growth_cache): Update.
3546
3547 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
3548
3549         PR rtl-optimization/80491
3550         * ifcvt.c (noce_process_if_block): When looking for x setter
3551         with missing else_bb, don't check only the insn right before
3552         cond_earliest, but look for the last insn that x is modified in
3553         within the same bb.
3554
3555         PR rtl-optimization/80491
3556         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
3557
3558 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
3559
3560         PR tree-optimization/80487
3561         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
3562
3563 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3564
3565         PR tree-optimization/79697
3566         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
3567         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
3568         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
3569         BUILT_IN_STRNDUP.
3570         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
3571         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
3572
3573 2017-04-28  Martin Sebor  <msebor@redhat.com>
3574
3575         PR tree-optimization/80523
3576         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
3577         (init_target_to_host_charmap, target_to_host, target_strtol10): New
3578         functions.
3579         (maybe_warn, format_directive, parse_directive): Use new functions.
3580         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
3581
3582 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
3583
3584         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
3585
3586 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3587
3588         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
3589         target_header_dir): Set correctly.
3590         * configure: Regenerated.
3591         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
3592         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
3593         instead of SYSTEM_HEADER_DIR.
3594
3595 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
3596
3597         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
3598         (estimate_local_effects): Likewise.
3599         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
3600         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
3601         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
3602         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
3603         do_estimate_edge_time, estimate_edge_time): Likewise.
3604         * ipa-inline-analysis.c (estimate_node_size_and_time,
3605         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
3606         (estimate_time_after_inlining): Remove.
3607
3608 2017-04-28  Martin Liska  <mliska@suse.cz>
3609
3610         * doc/gcov.texi: Enhance documentation of gcov.
3611
3612 2017-04-28  Martin Liska  <mliska@suse.cz>
3613
3614         * doc/gcov.texi: Sort options in alphabetic order.
3615         * doc/gcov-dump.texi: Likewise.
3616         * doc/gcov-tool.texi: Likewise.
3617         * gcov.c (print_usage): Likewise.
3618         * gcov-dump.c (print_usage): Likewise.
3619         * gcov-tool.c (print_merge_usage_message): Likewise.
3620         (print_rewrite_usage_message): Likewise.
3621         (print_overlap_usage_message): Likewise.
3622
3623 2017-04-28  Martin Liska  <mliska@suse.cz>
3624
3625         PR gcov-profile/53915
3626         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
3627
3628 2017-04-28  Martin Liska  <mliska@suse.cz>
3629
3630         PR gcov-profile/79891
3631         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
3632         is marked by compiler as living on a line.
3633         (get_cycles_count): Remove usage of the union.
3634         (output_intermediate_file): Likewise.
3635         (find_source): Fix GNU coding style.
3636         (accumulate_line_counts): Remove old non-all block mode.
3637         (output_lines): Remove usage of the union.
3638         * profile.c (output_location): Include all BBs, even if
3639         belonging to a same line (and file) as a previous BB.
3640
3641 2017-04-28  Martin Liska  <mliska@suse.cz>
3642
3643         * gcov.c (process_args): Handle new argument 'w'.
3644         (read_graph_file): Assign ID to BBs.
3645         (output_branch_count): Display BB # if verbose flag is set.
3646         (output_lines): Likewise for arcs.
3647         (print_usage): Add '--verbose' option help.
3648         * doc/gcov.texi: Document --verbose (-w) option.
3649
3650 2017-04-28  Martin Liska  <mliska@suse.cz>
3651
3652         * gcov.c (struct block_location_info): New struct.
3653         (process_file): Fill up the new structure.
3654         (read_graph_file): Replace usage of encoding by the newly added
3655         struct.
3656         (add_line_counts): Likewise.
3657         (accumulate_line_counts): Remove usage of the union.
3658         (function_info::function_info): New function.
3659         (function_info::~function_info): Likewise.
3660         (process_file): Call delete instead of release_function.
3661         (release_function): Release the function.
3662         (release_structures): Call delete instead of release_function.
3663         (solve_flow_graph): Replace usage of num_blocks.
3664         (find_exception_blocks): Likewise.
3665         (output_lines): Fix GNU coding style.
3666
3667 2017-04-28  Martin Liska  <mliska@suse.cz>
3668
3669         PR driver/56469
3670         * coverage.c (coverage_remove_note_file): New function.
3671         * coverage.h: Declare the function.
3672         * toplev.c (finalize): Clean if an error has been seen.
3673
3674 2017-04-28  Martin Liska  <mliska@suse.cz>
3675
3676         PR gcov-profile/80031
3677         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
3678         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
3679         * gcov.c (read_graph_file): Read just number of blocks.
3680         * profile.c (branch_prob): Do not stream 0 flags per a basic
3681         block.
3682
3683 2017-04-28  Martin Liska  <mliska@suse.cz>
3684
3685         * gcov-dump.c (tag_*): Add new argument to declarations.
3686         (dump_gcov_file): Likewise.
3687         (tag_blocks): Add and use new argument depth.
3688         (tag_arcs): Likewise.
3689         (tag_lines): Likewise.
3690         (tag_counters): Likewise.
3691         (tag_summary): Likewise.
3692         (dump_working_sets): Use depth to do a proper indentation.
3693
3694 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
3695
3696         PR bootstrap/80531
3697         * cgraph.h (symtab_node::debug_symtab): No longer inline.
3698         * symtab.c (symtab_node::debug_symtab): Move definition here.
3699
3700 2017-04-28  Richard Biener  <rguenther@suse.de>
3701
3702         * lto-streamer.h (LTO_major_version): Bump to 7.
3703
3704 2017-04-28  Richard Biener  <rguenther@suse.de>
3705
3706         * tree-vrp.c (assert_info): New struct.
3707         (add_assert_info): New helper.
3708         (register_edge_assert_for_2): Refactor to add asserts to a vector
3709         of assert_info.
3710         (register_edge_assert_for_1): Likewise.
3711         (register_edge_assert_for): Likewise.
3712         (finish_register_edge_assert_for): New helper actually registering
3713         asserts where live on edge.
3714         (find_conditional_asserts): Adjust.
3715         (find_switch_asserts): Likewise.
3716         (evrp_dom_walker::try_find_new_range): Generalize.
3717         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
3718
3719 2017-04-27  Marek Polacek  <polacek@redhat.com>
3720
3721         PR sanitizer/80349
3722         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
3723         arg10 and arg11 to itype.
3724
3725 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
3726
3727         * doc/extend.texi (Object Size Checking): Improve grammar.
3728
3729 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
3730
3731         PR target/80530
3732         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
3733         that the logic for permitting reciprocal estimates matches that
3734         in use_rsqrt_p.
3735
3736 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
3737
3738         PR c++/80534
3739         * tree.c (type_cache_hasher::equal): Only compare
3740         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
3741         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
3742         non-aggregate element types.
3743         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
3744         about the flag on ARRAY_TYPEs in the comment, formatting fix.
3745
3746 2017-04-27  Richard Biener  <rguenther@suse.de>
3747
3748         PR middle-end/80533
3749         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
3750         stripping ARRAY_REFs from MEM_EXPR make sure we're not
3751         keeping a reference to a trailing array.
3752
3753 2017-04-27  Richard Biener  <rguenther@suse.de>
3754
3755         PR middle-end/80539
3756         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
3757         being in loop-closed SSA form conservatively.
3758         (chrec_fold_multiply_poly_poly): Likewise.
3759
3760 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
3761
3762         PR middle-end/79665
3763         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
3764         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
3765
3766 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
3767
3768         PR target/77728
3769         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
3770         (aarch64_function_arg_alignment): Return unsigned int again, but still
3771         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
3772         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
3773         Don't emit -Wpsabi note.
3774         (aarch64_function_arg_boundary): Likewise.
3775         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
3776         caller.
3777
3778 2017-04-26  Nathan Sidwell  <nathan@acm.org>
3779
3780         * tree.h (crc32_unsigned_n): Declare.
3781         (crc32_unsigned, crc32_unsigned): Make inline.
3782         * tree.c (crc32_unsigned_bits): Replace with ...
3783         (crc32_unsigned_n): ... this.
3784         (crc32_unsigned, crc32_byte): Remove.
3785         (crc32_string): Remove unnecessary braces.
3786
3787 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
3788
3789         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
3790         * ipa-inline-analysis.c (MAX_TIME): Remove.
3791         (account_size_time): Use sreal for time.
3792         (dump_inline_summary): Update.
3793         (estimate_function_body_sizes): Update.
3794         (estimate_edge_size_and_time): Update.
3795         (estimate_calls_size_and_time): Update.
3796         (estimate_node_size_and_time): Update.
3797         (inline_merge_summary): Update.
3798         (inline_update_overall_summary): Update.
3799         (estimate_time_after_inlining): Update.
3800         (inline_read_section): Update.
3801         (inline_write_summary): Update.
3802         * ipa-inline.c (compute_uninlined_call_time): Update.
3803         (compute_inlined_call_time): Update.
3804         (recursive_inlining): Update.
3805         (inline_small_functions): Update.
3806         (dump_overall_stats): Update.
3807         * ipa-inline.h: Include sreal.h.
3808         (size_time_entry): Turn time to sreal.
3809         (inline_summary): Turn self_time nad time to sreal.
3810
3811 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
3812
3813         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
3814         data-streamer.h
3815         (sreal::stream_out, sreal::stream_in): New.
3816         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
3817
3818 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
3819
3820         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
3821         environment.
3822
3823 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
3824
3825         PR target/70799
3826         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3827         Handle ASHIFTRT.
3828         (dimode_scalar_chain::compute_convert_gain): Ditto.
3829         (dimode_scalar_chain::make_vector_copies): Ditto.
3830         (dimode_scalar_chain::convert_reg): Ditto.
3831         (dimode_scalar_chain::convert_insn): Ditto.
3832         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
3833         (VI248_AVX512BW_1): New mode iterator.
3834         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
3835         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
3836         mode iterator.
3837
3838 2017-04-25  Martin Sebor  <msebor@redhat.com>
3839
3840         PR tree-optimization/80497
3841         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
3842         constants are representable in HOST_WIDE_INT.
3843         (parse_directive): Ditto.
3844
3845 2017-04-25  Martin Sebor  <msebor@redhat.com>
3846
3847         PR bootstrap/80486
3848         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
3849         (new_zero_array): Adjust signature.
3850         (dom_info::dom_init): Used unsigned rather that size_t.
3851         (dom_info::dom_info): Same.
3852
3853 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3854             Jakub Jelinek  <jakub@redhat.com>
3855
3856         PR target/77728
3857         * config/arm/arm.c: Include gimple.h.
3858         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
3859         returns negative, increment ncrn only if it returned positive.
3860         (arm_needs_doubleword_align): Return int instead of bool,
3861         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
3862         members, but if there is any such non-FIELD_DECL
3863         > PARM_BOUNDARY aligned decl, return -1 instead of false.
3864         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
3865         returns negative, increment nregs only if it returned positive.
3866         (arm_setup_incoming_varargs): Likewise.
3867         (arm_function_arg_boundary): Emit -Wpsabi note if
3868         arm_needs_doubleword_align returns negative, return
3869         DOUBLEWORD_ALIGNMENT only if it returned positive.
3870
3871 2017-04-25  Marek Polacek  <polacek@redhat.com>
3872
3873         PR sanitizer/80349
3874         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
3875         first argument to type.
3876
3877 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
3878
3879         PR target/80482
3880         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
3881         type checks to test for compatibility instead of equality.
3882
3883 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3884             Jakub Jelinek  <jakub@redhat.com>
3885
3886         PR target/77728
3887         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
3888         type.
3889         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
3890         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
3891         the alignment computation, but return their maximum in warn_alignment.
3892         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
3893         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
3894         is smaller.
3895         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
3896         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
3897         caller.
3898
3899 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
3900
3901         * config/arc/simdext.md (dmpyh): Fix typo.
3902
3903 2017-04-25  Richard Biener  <rguenther@suse.de>
3904
3905         PR tree-optimization/80492
3906         * alias.c (compare_base_decls): Handle registers with asm
3907         specification conservatively.
3908         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
3909         compare_base_decls returning dont-know properly.
3910
3911 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
3912
3913         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
3914         (legitimate_offset_address_p): New function.
3915         (arc_legitimate_address_p): Use above function.
3916
3917 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
3918
3919         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
3920
3921 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
3922
3923         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
3924         ACCH registers whenever they are available.
3925
3926 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
3927
3928         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
3929         double regs fix when not used.
3930
3931 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
3932
3933         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
3934         core registers.
3935         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
3936         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
3937
3938 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
3939
3940         * config/arc/arc.c (arc_output_addsi): Check for h-register class
3941         when emitting short ADD instructions.
3942
3943 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
3944
3945         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
3946         constraint.
3947         (cmpsi_cc_c_insn): Likewise.
3948         (cbranchsi4_scratch): Compute proper instruction length using
3949         compact_hreg_operand.
3950         * config/arc/predicates.md (compact_hreg_operand): New predicate.
3951
3952 2017-04-25  Richard Biener  <rguenther@suse.de>
3953
3954         PR middle-end/80509
3955         * passes.c (pass_manager::pass_manager): Initialize
3956         m_name_to_pass_map.
3957
3958 2017-04-25  Richard Biener  <rguenther@suse.de>
3959
3960         PR tree-optimization/79201
3961         * tree-ssa-sink.c (statement_sink_location): Handle calls.
3962
3963 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3964
3965         PR target/80464
3966         * config/s390/vector.md: Split MEM->GPR vector moves for
3967         non-s_operand addresses.
3968
3969 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3970
3971         PR target/79895
3972         * config/s390/predicates.md (reload_const_wide_int_operand): New
3973         predicate.
3974         * config/s390/s390.md ("movti"): Remove d/P alternative.
3975         ("movti_bigconst"): New pattern definition.
3976
3977 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3978
3979         PR target/80080
3980         * s390-protos.h (s390_expand_cs_hqi): Removed.
3981         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
3982         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
3983         modes as well as CCZ1mode and CCZmode.
3984         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
3985         signature of s390_emit_compare_and_swap.
3986         (s390_expand_cs_hqi): Likewise, make static.
3987         (s390_expand_cs_tdsi): Generate an explicit compare before trying
3988         compare-and-swap, in some cases.
3989         (s390_expand_cs): Wrapper function.
3990         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
3991         atomic_exchange.
3992         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
3993         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
3994         patterns for small and large integers.  Forbid symref memory operands.
3995         Move expander to s390.c.  Require cc register.
3996         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
3997         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
3998         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
3999         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
4000         symref memory operands.  Remove CC mode and call s390_match_ccmode
4001         instead.
4002         ("atomic_exchange<mode>"): Allow and implement all integer modes.
4003
4004 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4005
4006         * config/s390/s390.md (define_peephole2): New peephole to help
4007         combining the load-and-test pattern with volatile memory.
4008
4009 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4010
4011         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
4012         with CCZmode for TARGET_Z196.
4013
4014 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
4015
4016         PR rtl-optimization/80501
4017         * combine.c (make_compound_operation_int): Set subreg_code to SET
4018         even for AND with mask of the sign bit of mode.
4019
4020         PR rtl-optimization/80500
4021         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
4022         sum's initial value.
4023
4024 2017-04-25  Julian Brown  <julian@codesourcery.com>
4025             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
4026
4027         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
4028
4029 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
4030
4031         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
4032
4033 2017-04-25  Julian Brown  <julian@codesourcery.com>
4034             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
4035
4036         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
4037         (thunderx2t99_sha): New Reservation.
4038
4039 2017-04-25  Julian Brown  <julian@codesourcery.com>
4040             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
4041
4042         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
4043         type for 1-element load.
4044
4045 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
4046
4047         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
4048
4049 2017-04-24  Martin Jambor  <mjambor@suse.cz>
4050
4051         PR tree-optimization/80293
4052         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
4053         char arrays not totally scalarizable if it is false.
4054         (analyze_all_variable_accesses): Pass correct value in the new
4055         parameter.  Add a statistics counter.
4056
4057 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
4058
4059         PR middle-end/79931
4060         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
4061
4062 2017-04-24  Richard Biener  <rguenther@suse.de>
4063
4064         PR tree-optimization/80494
4065         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
4066         out for complex types.
4067
4068 2017-04-24  Richard Biener  <rguenther@suse.de>
4069
4070         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
4071         * tree-ssa-sccvn.c (print_scc): Print SCC size.
4072         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
4073         (DFS): Adjust and never fail.
4074         (sccvn_dom_walker::fail): Remove.
4075         (sccvn_dom_walker::before_dom_children): Adjust.
4076         (run_scc_vn): Likewise and never fail.
4077         * tree-ssa-pre.c (pass_pre::execute): Adjust.
4078         (pass_fre::execute): Likewise.
4079
4080 2017-04-24  Richard Biener  <rguenther@suse.de>
4081
4082         PR tree-optimization/79725
4083         * tree-ssa-sink.c (statement_sink_location): Return whether
4084         failure reason was zero uses.  Move that check later.
4085         (sink_code_in_bb): Deal with zero uses by removing the stmt
4086         if possible.
4087
4088 2017-04-24  Richard Biener  <rguenther@suse.de>
4089
4090         PR c++/2972
4091         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
4092         pointer-based references.
4093
4094 2017-04-24  Richard Biener  <rguenther@suse.de>
4095
4096         PR bootstrap/79814
4097         * pass_manager.h (pass_manager::operator new): Remove.
4098         (pass_manager::operator delete): Likewise.
4099         * passes.c (pass_manager::operator new): Remove.
4100         (pass_manager::operator delete): Likewise.
4101         (pass_manager::pass_manager): Zero individual pass members.
4102
4103 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
4104
4105         PR target/70799
4106         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
4107         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
4108         Check "XEXP (src, 1)" operand here.
4109         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
4110         Check "XEXP (src, 1)" operand here.
4111         (dimode_scalar_chain::make_vector_copies): Detect count register
4112         of a shift instruction.  Zero extend count register from QImode
4113         to DImode to satisfy vector shift pattern count operand predicate.
4114         Substitute vector shift count operand with a DImode copy.
4115         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
4116         vector register.
4117
4118 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
4119
4120         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
4121         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
4122         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
4123         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
4124         (UNSPEC_NOREX_MEM): Remove definition.
4125
4126 2017-04-21  Richard Biener  <rguenther@suse.de>
4127
4128         PR tree-optimization/79547
4129         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
4130         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
4131         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
4132         without any constraints.
4133
4134 2017-04-21  Richard Biener  <rguenther@suse.de>
4135
4136         PR tree-optimization/78847
4137         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
4138
4139 2017-04-21  Richard Biener  <rguenther@suse.de>
4140
4141         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
4142         (build_distinct_type_copy): Likewise.
4143         (build_variant_type_copy): Likewise.
4144         * tree.c (build_qualified_type): Pass down mem-stat info.
4145         (build_distinct_type_copy): Likewise.
4146         (build_variant_type_copy): Likewise.
4147
4148 2017-04-21  Richard Biener  <rguenther@suse.de>
4149
4150         PR tree-optimization/80237
4151         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
4152         defaulted to NULL.
4153         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
4154         for a simplified result.
4155
4156 2016-04-21  Richard Biener  <rguenther@suse.de>
4157
4158         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
4159         sth as strict as a simple_iv but a chrec without symbols and an
4160         operand defined in the loop we are peeling (and not some subloop).
4161         (propagate_constants_for_unrolling): Propagate all constants.
4162
4163 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
4164
4165         PR target/79804
4166         * config/i386/i386.c (print_reg): Remove assert for disalowed
4167         regno values, call output_operand_lossage instead.
4168
4169 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
4170
4171         PR target/78090
4172         * config/i386/constraints.md (Yc): New register constraint.
4173         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
4174         Use Yc constraint for alternative 2 of operand 0.  Remove
4175         preferred_for_speed attribute.
4176
4177 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
4178
4179         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
4180         lastprivate clauses in SIMT case.
4181
4182 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
4183
4184         * doc/invoke.texi (-Wextra-semi): Document new warning option.
4185
4186 2017-04-20  Richard Biener  <rguenther@suse.de>
4187
4188         PR tree-optimization/57796
4189         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
4190         as N scalar stores.
4191         (vect_model_load_cost): Cost gathers as N scalar loads.
4192
4193 2017-04-20  Richard Biener  <rguenther@suse.de>
4194
4195         * ggc-page.c (ggc_allocated_p): Rename to ...
4196         (safe_lookup_page_table_entry): ... this and return the lookup
4197         result.
4198         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
4199
4200 2017-04-20  Richard Biener  <rguenther@suse.de>
4201
4202         PR tree-optimization/80453
4203         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
4204         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
4205         from the conditions.
4206         (vn_phi_eq): Pass them down.
4207         (vn_phi_lookup): Record them.
4208         (vn_phi_insert): Likewise.
4209
4210 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4211
4212         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
4213         uninitialized variable warning to avoid buffer overrun.
4214
4215 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
4216
4217         PR other/71250
4218         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
4219         is suppressed for '{ 0 }' in C.
4220
4221 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
4222
4223         * BASE-VER: Set to 8.0.0.
4224
4225 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4226
4227         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
4228         priority .init_array and .fini_array section with SECTION_NOTYPE
4229         flag.
4230
4231 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
4232
4233         PR middle-end/80423
4234         * tree.h (build_array_type): Add typeless_storage default argument.
4235         * tree.c (type_cache_hasher::equal): Also compare
4236         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
4237         (build_array_type): Add typeless_storage argument, set
4238         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
4239         recursive call.
4240         (build_nonshared_array_type): Adjust build_array_type_1 caller.
4241         (build_array_type): Likewise.  Add typeless_storage argument.
4242
4243 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4244             Jakub Jelinek  <jakub@redhat.com>
4245
4246         PR tree-optimization/80426
4247         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
4248         operation on symbolic operands, also compute the overflow for the
4249         invariant part when the operation degenerates into a negation.
4250
4251 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
4252
4253         PR debug/80461
4254         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
4255         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
4256
4257         PR debug/80436
4258         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
4259
4260 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
4261
4262         PR target/80462
4263         * config/avr/avr.c (tree.h): Include it.
4264         (cgraph.h): Include it.
4265         (avr_encode_section_info): Don't warn for uninitialized progmem
4266         variable if it's just an alias.
4267
4268 2017-04-19  Richard Biener  <rguenther@suse.de>
4269
4270         PR ipa/65972
4271         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
4272         when needed by AutoPGO.
4273
4274 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
4275
4276         PR lto/50345
4277         * doc/lto.texi: Remove an extra 'that'.
4278
4279 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4280
4281         PR rtl-optimization/80429
4282         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
4283         are only used in debug insns.
4284
4285 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4286             Vladimir Makarov  <vmakarov@redhat.com>
4287
4288         * config/sparc/predicates.md (input_operand): Add comment.  Return
4289         true for any memory operand when LRA is in progress.
4290         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
4291
4292 2017-04-18  Jeff Law  <law@redhat.com>
4293
4294         PR target/74563
4295         * mips.md ({return,simple_return}_internal): Do not overwrite
4296         operands[0].
4297
4298 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
4299
4300         PR tree-optimization/80443
4301         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
4302         instead of adding 1, subtract -1 and similarly instead of subtracting
4303         1 add -1.
4304
4305 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4306
4307         PR rtl-optimization/80357
4308         * haifa-sched.c (tmp_bitmap): New variable.
4309         (model_recompute): Handle duplicate use records.
4310         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
4311         (free_global_sched_pressure_data): Free it.
4312
4313 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4314
4315         Revert:
4316         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4317         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
4318         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
4319         instead of SYSTEM_HEADER_DIR.
4320
4321 2017-04-18  Jeff Law  <law@redhat.com>
4322
4323         PR middle-end/80422
4324         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
4325         predecessors after walking up the insn chain.
4326
4327 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
4328
4329         PR debug/80263
4330         * dwarf2out.c (modified_type_die): Try harder not to emit internal
4331         sizetype type into debug info.
4332
4333 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4334
4335         PR target/80099
4336         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
4337         unneeded test for TARGET_UPPER_REGS_SF.
4338         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
4339
4340 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
4341
4342         PR sanitizer/80444
4343         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
4344         instead of gsi_after_labels.
4345
4346 2017-04-18  Jeff Law  <law@redhat.com>
4347
4348         * regcprop.c (maybe_mode_change): Avoid creating copies of the
4349         stack pointer.
4350
4351         Revert:
4352         2017-04-13  Jeff Law  <law@redhat.com>
4353         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
4354         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
4355
4356 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
4357
4358         PR target/79453
4359         * config/avr/avr.c (intl.h): Include it.
4360         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
4361
4362 2017-04-18  Martin Liska  <mliska@suse.cz>
4363
4364         PR gcov-profile/78783
4365         * gcov-tool.c (gcov_output_files): Validate that destination
4366         file is either removed by the tool or by a user.
4367
4368 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
4369             Guy Benyei  <guybe@mellanox.com>
4370
4371         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
4372         block, and do not negate it, the stored id is already negative.
4373
4374 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
4375
4376         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
4377
4378 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
4379
4380         PR target/80098
4381         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
4382         masks of options that should be turned off if the VSX vector
4383         options are turned off.
4384         (OTHER_P8_VECTOR_MASKS): Likewise.
4385         (OTHER_VSX_VECTOR_MASKS): Likewise.
4386         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
4387         rs6000_disable_incompatible_switches to validate no type switches
4388         like -mvsx.
4389         (rs6000_incompatible_switch): New function to disallow turning on
4390         other vector options if -mno-vsx, -mno-power8-vector, or
4391         -mno-power9-vector are specified.
4392
4393 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
4394
4395         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
4396
4397 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
4398
4399         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
4400         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
4401         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
4402         (ARG_POINTER_CFA_OFFSET): Likewise.
4403
4404 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
4405
4406         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
4407         conditions to take advantage of various optimizations.
4408
4409 2017-04-13  Jeff Law  <law@redhat.com>
4410
4411         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
4412         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
4413         (zero_extendsidi2_dext): Likewise.
4414
4415 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
4416
4417         PR sanitizer/80403
4418         * fold-const.c (fold_ternary_loc): Revert
4419         use op0 instead of fold_convert_loc (loc, type, arg0) part of
4420         2017-04-12 change.
4421
4422 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4423
4424         PR rtl-optimization/80343
4425         * lra-remat.c (update_scratch_ops): Assign original hard reg to
4426         new scratch pseudo.
4427
4428 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
4429
4430         PR sanitizer/80414
4431         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
4432         to ubsan_encode_value.
4433
4434 2017-04-13  Jeff Law  <law@redhat.com>
4435
4436         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
4437         appearing in DEBUG_INSNs.
4438
4439 2017-04-13  Martin Liska  <mliska@suse.cz>
4440
4441         PR gcov-profile/80413
4442         * gcov-io.c (gcov_write_string): Copy to buffer just when
4443         allocated size is greater than zero.
4444
4445 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
4446
4447         PR debug/80321
4448         * dwarf2out.c (decls_for_scope): Ignore declarations of
4449         current_function_decl in BLOCK_NONLOCALIZED_VARS.
4450
4451 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
4452
4453         PR lto/69953
4454         * ipa-visibility.c (non_local_p): Fix typos.
4455         (localize_node): When localizing symbol in same comdat group,
4456         dissolve the group only when we know external symbols are going
4457         to be privatized.
4458         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
4459
4460 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
4461
4462         PR tree-optimization/79390
4463         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
4464         order does not result in usable sequence, retry with reversed operand
4465         order.
4466
4467         PR sanitizer/80403
4468         PR sanitizer/80404
4469         PR sanitizer/80405
4470         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
4471         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
4472         op0 instead of fold_convert_loc (loc, type, arg0).
4473
4474 2017-04-12  Jeff Law  <law@redhat.com>
4475
4476         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
4477         has a delay slot in the generated code.
4478
4479         * config/cris/cris.md (cris_preferred_reload_class): Return
4480         GENNONACR_REGS rather than GENERAL_REGS.
4481
4482 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
4483
4484         PR c/80163
4485         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
4486         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
4487         signedness of the result type.
4488
4489 2017-04-12  Richard Biener  <rguenther@suse.de>
4490             Jeff Law  <law@redhat.com>
4491
4492         PR tree-optimization/80359
4493         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
4494         trim stores to TARGET_MEM_REFs.
4495
4496 2017-04-12  Richard Biener  <rguenther@suse.de>
4497
4498         PR tree-optimization/79390
4499         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
4500         threading case even more.
4501
4502 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
4503
4504         PR target/80382
4505         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
4506         for quad_address_p for TImode, instead of just not indexed_address.
4507
4508 2017-04-12  Richard Biener  <rguenther@suse.de>
4509             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4510
4511         PR middle-end/79671
4512         * alias.c (component_uses_parent_alias_set_from): Handle
4513         TYPE_TYPELESS_STORAGE.
4514         (get_alias_set): Likewise.
4515         * tree-core.h (tree_type_common): Add typeless_storage flag.
4516         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
4517         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
4518         for types containing members with TYPE_TYPELESS_STORAGE.
4519         (place_field): Likewise.
4520         (layout_type): Likewise for ARRAY_TYPE.
4521         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
4522         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
4523         TYPE_TYPELESS_STORAGE.
4524         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
4525
4526 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
4527
4528         PR sanitizer/80349
4529         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
4530         first argument to type.
4531
4532 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4533
4534         PR target/80376
4535         PR target/80315
4536         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
4537         CONST0_RTX (mode) rather than const0_rtx where appropriate.
4538         (rs6000_expand_binop_builtin): Likewise.
4539         (rs6000_expand_ternop_builtin): Likewise; also add missing
4540         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
4541         vshasigma built-ins.
4542         * doc/extend.texi: Document that vec_xxpermdi's third argument
4543         must be a constant.
4544
4545 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
4546
4547         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
4548         Use shift_const cost parameter when calculating gain of STV shifts.
4549
4550 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
4551
4552         PR rtl-optimization/70478
4553         * lra-constraints.c (process_alt_operands): Check memory for
4554         disfavoring memory insn operand.
4555
4556 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
4557
4558         PR middle-end/80100
4559         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
4560         left shift in unsigned HOST_WIDE_INT type.
4561
4562         PR rtl-optimization/80385
4563         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
4564         (not (neg X)) into (plus X -1) for complex or non-integral modes.
4565
4566         PR libgomp/80394
4567         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
4568         if they have any depend clauses.
4569
4570 2017-04-11  Martin Liska  <mliska@suse.cz>
4571
4572         PR ipa/80212
4573         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
4574         * ipa-split.c (split_function): Create a local comdat symbol
4575         if caller is in a comdat group.
4576
4577 2017-04-11  Martin Liska  <mliska@suse.cz>
4578
4579         PR ipa/80212
4580         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
4581         flags.
4582
4583 2017-04-11  Martin Sebor  <msebor@redhat.com>
4584
4585         PR middle-end/80364
4586         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
4587         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
4588         for INTEGER_TYPE.
4589         (directive::set_width, directive::set_precision, format_character):
4590         Adjust.
4591         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
4592         INTEGER_TYPE.
4593
4594 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
4595
4596         PR target/80389
4597         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
4598         conflict, set target->arch_name instead of target->cpu_name.
4599
4600 2017-04-11  Richard Biener  <rguenther@suse.de>
4601
4602         PR tree-optimization/80374
4603         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
4604         build_zero_cst, remove fold_convertible_p check again.
4605
4606 2017-04-11  Martin Liska  <mliska@suse.cz>
4607
4608         PR sanitizer/70878
4609         * ubsan.c (instrument_object_size): Do not instrument register
4610         variables.
4611
4612 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
4613
4614         PR target/80381
4615         * config/i386/i386-builtin-types.def
4616         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
4617         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
4618         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
4619         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
4620         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
4621         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
4622         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
4623         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
4624         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
4625         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
4626         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
4627         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
4628         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
4629         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
4630         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
4631         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
4632         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
4633         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
4634         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
4635         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
4636         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
4637         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
4638         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
4639         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
4640         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
4641         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
4642         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
4643         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
4644         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
4645         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
4646         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
4647         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
4648         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
4649         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
4650         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
4651         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
4652         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
4653         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
4654         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
4655         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
4656         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
4657         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
4658         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
4659         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
4660         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
4661         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
4662         aliases.
4663         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
4664         flag to second_arg_count, handle 4 argument function type _COUNT
4665         aliases, handle second_arg_count on second argument rather than last.
4666
4667 2017-04-10  Jeff Law  <law@redhat.com>
4668
4669         PR tree-optimization/80374
4670         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
4671         record anything if we can not convert integer_zero_node to the
4672         desired type.
4673
4674 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4675
4676         PR target/80108
4677         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4678         Enhance special handling given to the TARGET_P9_MINMAX option in
4679         relation to certain other options.
4680
4681 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
4682
4683         PR tree-optimization/80153
4684         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
4685         remove POINTER_PLUS_EXPR's base part directly, rather than through
4686         aff_tree.
4687
4688 2017-04-10  Richard Biener  <rguenther@suse.de>
4689             Bin Cheng  <bin.cheng@arm.com>
4690
4691         PR tree-optimization/80153
4692         * tree-affine.c (aff_combination_to_tree): Get base pointer from
4693         the first element of pointer type aff_tree.  Build result expr in
4694         aff_tree's type.
4695         (add_elt_to_tree): Convert to type unconditionally.  Remove other
4696         fold_convert calls.
4697         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
4698         (rewrite_use_nonlinear_expr): Check invariant using iv information.
4699
4700 2017-04-10  Richard Biener  <rguenther@suse.de>
4701
4702         * tree-ssa-structalias.c (find_func_aliases): Properly handle
4703         asm inputs.
4704
4705 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
4706
4707         PR rtl-optimization/70478
4708         * lra-constraints.c (curr_small_class_check): New.
4709         (update_and_check_small_class_inputs): New.
4710         (process_alt_operands): Update curr_small_class_check.  Disfavor
4711         alternative insn memory operands.  Check available regs for small
4712         class operands.
4713
4714 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
4715
4716         PR target/80057
4717         * config/mips/mips.opt (-mvirt): Update description.
4718         * doc/invoke.texi (-mvirt): Likewise.
4719
4720 2017-04-10  Richard Biener  <rguenther@suse.de>
4721
4722         PR middle-end/80362
4723         * fold-const.c (fold_binary_loc): Look at unstripped ops when
4724         looking for NEGATE_EXPR in -A / -B to A / B folding.
4725
4726 2017-04-10  Martin Liska  <mliska@suse.cz>
4727
4728         PR gcov-profile/80224
4729         * gcov.c (print_usage): Fix usage string.
4730         (get_gcov_intermediate_filename): Remove.
4731         (output_gcov_file): Use both for normal and intermediate format.
4732         (generate_results): Do not initialize special file for
4733         intermediate format.
4734
4735 2017-04-10  Richard Biener  <rguenther@suse.de>
4736
4737         PR tree-optimization/80304
4738         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
4739         for safelen.
4740
4741 2017-04-10  Nathan Sidwell  <nathan@acm.org>
4742
4743         PR target/79905
4744         * config/rs6000/rs6000.c (rs6000_vector_type): New.
4745         (rs6000_init_builtins): Use it.
4746
4747 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4748
4749         * config/arm/arm.md (<mrc>): Add mode to SET source.
4750         (<mrrc>): Likewise.
4751
4752 2017-04-10  Richard Biener  <rguenther@suse.de>
4753
4754         PR middle-end/80344
4755         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
4756
4757 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
4758
4759         PR target/80324
4760         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
4761         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
4762         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
4763         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
4764         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
4765         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
4766         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
4767         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
4768         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
4769         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
4770         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
4771         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
4772         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
4773         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
4774         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
4775         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
4776         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
4777         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
4778         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
4779         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
4780         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
4781         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
4782         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
4783
4784 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
4785
4786         PR rtl-optimization/70478
4787         * lra-constraints.c: Reverse the last patch.
4788
4789 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
4790
4791         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
4792         Add comment for WCHAR_T.
4793
4794 2017-04-08  Martin Liska  <mliska@suse.cz>
4795
4796         Revert:
4797         2017-04-07  Martin Liska  <mliska@suse.cz>
4798
4799         PR ipa/80212
4800         * ipa-split.c (split_function): Add function part to a same comdat
4801         group.
4802
4803 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4804
4805         PR target/80358
4806         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
4807
4808 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
4809
4810         * rs6000/rs6000.c (vec_load_pendulum): Rename...
4811         (vec_pairing): ...to this.
4812         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
4813         (rs6000_sched_init): Adjust for name change.
4814         (struct rs6000_sched_context): Likewise.
4815         (rs6000_init_sched_context): Likewise.
4816         (rs6000_set_sched_context): Likewise.
4817
4818 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
4819
4820         PR target/80322
4821         PR target/80323
4822         PR target/80325
4823         PR target/80326
4824         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
4825         intrinsics.
4826         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
4827         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
4828         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
4829
4830 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
4831
4832         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
4833
4834 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
4835
4836         PR rtl-optimization/70703
4837         * ira-color.c (update_conflict_hard_regno_costs): Use
4838         int64_t instead of HOST_WIDE_INT.
4839
4840 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
4841
4842         PR rtl-optimization/70478
4843         * lra-constraints.c (process_alt_operands): Disfavor alternative
4844         insn memory operands.
4845
4846 2017-04-07  Jeff Law  <law@redhat.com>
4847
4848         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
4849         CALL and NOTE_INSN_CALL_ARG_LOCATION.
4850
4851 2017-04-07  Martin Liska  <mliska@suse.cz>
4852
4853         PR target/79889
4854         * config/aarch64/aarch64.c (aarch64_process_target_attr):
4855         Show error message instead of an ICE.
4856
4857 2017-04-07  Martin Liska  <mliska@suse.cz>
4858
4859         PR ipa/80212
4860         * ipa-split.c (split_function): Add function part to a same comdat
4861         group.
4862
4863 2017-04-07  Richard Biener  <rguenther@suse.de>
4864
4865         PR middle-end/80341
4866         * tree.c (get_unwidened): Also handle ! for_type case for
4867         INTEGER_CSTs.
4868         * convert.c (do_narrow): Split out from ...
4869         (convert_to_integer_1): ... here.  Do not pass final truncation
4870         type to get_unwidened for TRUNC_DIV_EXPR.
4871
4872 2017-04-07  Richard Biener  <rguenther@suse.de>
4873
4874         * tree-affine.c (wide_int_ext_for_comb): Take type rather
4875         than aff_tree.
4876         (aff_combination_const): Adjust.
4877         (aff_combination_scale): Likewise.
4878         (aff_combination_add_elt): Likewise.
4879         (aff_combination_add_cst): Likewise.
4880         (aff_combination_convert): Likewise.
4881         (add_elt_to_tree): Likewise.  Remove unused argument.
4882         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
4883
4884 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4885
4886         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
4887         definition.
4888         * config/arm/arm.c (arm_default_short_enums): Use
4889         ARM_DEFAULT_SHORT_ENUMS.
4890         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
4891
4892 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
4893
4894         PR debug/80234
4895         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
4896         members with redundant out-of-class redeclaration.
4897
4898 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
4899
4900         PR target/80286
4901         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
4902         * config/i386/i386.md (*zero_extendsidi2):
4903         Add (?*x,*x) and (?*v,*v) alternatives.
4904
4905 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
4906
4907         PR target/79733
4908         * config/i386/i386.c (ix86_expand_builtin)
4909         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
4910         mode from insn data. Convert operands to insn operand mode.
4911         Copy operands that don't satisfy insn predicate to a register.
4912
4913 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
4914
4915         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
4916         Update comments.
4917
4918 2017-04-06  Richard Biener  <rguenther@suse.de>
4919
4920         PR tree-optimization/80334
4921         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
4922         preserve alignment of accesses.
4923
4924 2017-04-06  Richard Biener  <rguenther@suse.de>
4925
4926         PR tree-optimization/80262
4927         * tree-sra.c (build_ref_for_offset): Preserve address-space
4928         information.
4929         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
4930         Drop useless address-space information on MEM_REF offsets.
4931
4932 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
4933
4934         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
4935
4936 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
4937
4938         PR rtl-optimization/70703
4939         * ira-color.c (update_conflict_hard_regno_costs): Use
4940         HOST_WIDE_INT instead of long.
4941
4942 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
4943
4944         PR target/80298
4945         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
4946         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
4947         is not defined.
4948         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
4949         for x86_64 target.  Handle -m3dnowa option.
4950
4951 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
4952
4953         PR rtl-optimization/70703
4954         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
4955         (update_conflict_hard_regno_costs): Use long instead of unsigned
4956         arithmetic for cost calculation.
4957
4958 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
4959             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4960
4961         PR sanitizer/80308
4962         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
4963         for big endian.
4964
4965 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
4966
4967         PR target/78002
4968         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
4969         ptr_mode with Pmode throughout.
4970         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
4971         into probe_stack_range and use DImode.
4972
4973 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4974
4975         PR target/79890
4976         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
4977         call_eh_return is true.
4978
4979 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4980
4981         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
4982         Initialize last_match_fntype_index.
4983
4984 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
4985
4986         PR target/80310
4987         * tree-nvr.c: Include internal-fn.h.
4988         (pass_return_slot::execute): Ignore internal calls without
4989         direct optab.
4990
4991 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
4992             Richard Biener  <rguenther@suse.de>
4993
4994         PR c++/80297
4995         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
4996         captures used multiple times, except for the last use.
4997         * generic-match-head.c: Include gimplify.h.
4998
4999 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
5000
5001         PR tree-optimization/79390
5002         * target.h (struct noce_if_info): Declare.
5003         * targhooks.h (default_noce_conversion_profitable_p): Declare.
5004         * target.def (noce_conversion_profitable_p): New target hook.
5005         * ifcvt.h (struct noce_if_info): New type, moved from ...
5006         * ifcvt.c (struct noce_if_info): ... here.
5007         (noce_conversion_profitable_p): Renamed to ...
5008         (default_noce_conversion_profitable_p): ... this.  No longer
5009         static nor inline.
5010         (noce_try_store_flag_constants, noce_try_addcc,
5011         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
5012         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
5013         instead of noce_conversion_profitable_p.
5014         * config/i386/i386.c: Include ifcvt.h.
5015         (ix86_option_override_internal): Don't override
5016         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
5017         (ix86_noce_conversion_profitable_p): New function.
5018         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
5019         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
5020         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
5021         * doc/tm.texi: Regenerated.
5022
5023 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5024
5025         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
5026         correction.
5027
5028 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5029
5030         PR target/80307
5031         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
5032         instructions for small multiply cores.
5033
5034 2017-04-04  Jeff Law  <law@redhat.com>
5035
5036         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
5037         added member.
5038         (mips_expand_vec_perm_const): Initialize elements in orig_perm
5039         that are not set by the loop over the elements.
5040
5041 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
5042
5043         PR target/80286
5044         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
5045         int mode, convert_modes it to mode as unsigned, otherwise use
5046         lowpart_subreg to mode rather than SImode.
5047         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
5048         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
5049         Use DImode instead of SImode for the shift count operand.
5050         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
5051         Likewise.
5052
5053 2017-04-04  Richard Biener  <rguenther@suse.de>
5054
5055         PR middle-end/80281
5056         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
5057         arithmetic done for the negate or the plus.  Simplify.
5058         (A - (-B) -> A + B): Likewise.
5059         * fold-const.c (split_tree): Make sure to not negate pointers.
5060
5061 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
5062
5063         PR rtl-optimization/60818
5064         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
5065         a compare of comparisons with the thing compared if this results
5066         in a different machine mode.
5067
5068 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
5069
5070         * alias.c (base_alias_check): Fix typo in comment.
5071         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
5072         * cgraphunit.c (symbol_table::compile): Likewise.
5073         * collect2.c (maybe_run_lto_and_relink): Likewise.
5074         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
5075         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
5076         * config/avr/avr.c (avr_map_op_t): Likewise.
5077         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
5078         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
5079         * config/epiphany/epiphany.md (movcc): Likewise.
5080         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
5081         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
5082         Likewise.
5083         * config/mips/mips.c (mips_save_restore_reg): Likewise.
5084         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
5085         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
5086         * config/sh/sh.c (sh_rtx_costs): Likewise.
5087         * fold-const.c (fold_truth_andor): Likewise.
5088         * genautomata.c (collapse_flag): Likewise.
5089         * gengtype.h (struct type::u::s): Likewise.
5090         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
5091         * input.c (FORMAT_AMOUNT): Likewise.
5092         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
5093         (known_aggs_to_agg_replacement_list): Likewise.
5094         * ipa-inline-analysis.c: Likewise.
5095         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
5096         * ipa-polymorphic-call.c
5097         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
5098         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
5099         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
5100         Likewise.
5101         * modulo-sched.c (apply_reg_moves): Likewise.
5102         * omp-expand.c (build_omp_regions_1): Likewise.
5103         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
5104         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
5105         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
5106         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
5107         * value-prof.c: Likewise.
5108         * var-tracking.c (val_reset): Likewise.
5109
5110 2017-04-03  Richard Biener  <rguenther@suse.de>
5111
5112         PR tree-optimization/80275
5113         * fold-const.c (split_address_to_core_and_offset): Handle
5114         POINTER_PLUS_EXPR.
5115
5116 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
5117
5118         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
5119         descriptors is at least equal to that of functions.
5120
5121 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
5122
5123         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
5124
5125 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
5126
5127         PR target/80250
5128         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
5129         (mov<IMOD4:mode>): New expander.
5130         (*mov<IMOD4:mode>_internal): New insn and split pattern.
5131
5132 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
5133
5134         PR rtl-optimization/79405
5135         * fwprop.c (propagations_left): New variable.
5136         (forward_propagate_into): Decrement it.
5137         (fwprop_init): Initialize it.
5138         (fw_prop): If the variable has reached zero, stop propagating.
5139         (fwprop_addr): Ditto.
5140
5141 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
5142
5143         PR debug/79255
5144         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
5145         a FUNCTION_DECL, pass it as decl instead of origin to
5146         process_scope_var.
5147
5148 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
5149
5150         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
5151         string.
5152
5153 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
5154
5155         PR target/80107
5156         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
5157         TARGET_VSX_SMALL_INTEGER.
5158
5159 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5160
5161         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
5162         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
5163
5164 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
5165
5166         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
5167         extraction from odd-numbered MSA register.
5168
5169 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
5170
5171         PR middle-end/80173
5172         * expmed.c (store_bit_field_1): Don't attempt to create
5173         a word subreg out of hard registers wider than word if they
5174         have HARD_REGNO_NREGS of 1 for their mode.
5175
5176         PR middle-end/80163
5177         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
5178         conversions to integer types wider than word and pointer.
5179
5180         PR debug/80025
5181         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
5182         (rtx_equal_for_cselib_p): Pass 0 to it.
5183         * cselib.c (cselib_hasher::equal): Likewise.
5184         (rtx_equal_for_cselib_1): Add depth argument.  If depth
5185         is 128, don't look up VALUE locs and punt.  Increment
5186         depth in recursive calls when walking VALUE locs.
5187
5188 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5189
5190         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
5191         (make_gcov_file_name): Use the canonical path name for generating
5192         the MD5 value.
5193         (read_line): Fix handling of files with ascii null bytes.
5194
5195 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
5196
5197         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
5198         to initialise a vector register instead
5199         of using a const_int.
5200
5201 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
5202
5203         PR translation/80189
5204         * gimplify.c (omp_default_clause): Use %qs instead of %s in
5205         diagnostic messages.
5206
5207 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
5208
5209         PR target/80246
5210         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
5211         (dfp_diex_<mode>): Update mode of operand 1.
5212         * doc/extend.texi (dxex, dxexq): Document change to return type.
5213         (diex, diexq): Document change to argument type.
5214
5215 2017-03-30  Martin Jambor  <mjambor@suse.cz>
5216
5217         PR ipa/77333
5218         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
5219         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
5220         it reflects the signature changes performed at the callee side.
5221         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
5222         to cgraph_build_function_type_skip_args.
5223         (build_function_decl_skip_args): Adjust call to the above function.
5224
5225 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
5226
5227         PR target/80206
5228         * config/i386/sse.md
5229         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
5230         register as dest whenever it is a MEM not rtx_equal_p to the
5231         corresponding dup operand, and when forcing into reg move the
5232         reg into the memory afterwards.
5233         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
5234         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
5235         for the force_reg mode.
5236         (avx512vl_vextractf128<mode>): Use register as dest either
5237         always when a MEM, or when it is a MEM not rtx_equal_p to the
5238         corresponding dup operand, or even not when it is a CONST_VECTOR
5239         depending on the mode and lo vs. hi.
5240         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
5241         parens.
5242         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
5243         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
5244         Likewise.  Require that operands[2] is even.
5245         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
5246         Remove extraneous parens.  Require that operands[2] is a multiple
5247         of 4.
5248         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
5249         operands[0] is a MEM if <mask_applied>, the predicates/constraints
5250         disallow memory then.
5251
5252 2017-03-30  Richard Biener  <rguenther@suse.de>
5253
5254         PR tree-optimization/77498
5255         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
5256         to non-constants over backedges.
5257
5258 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
5259
5260         PR rtl-optimization/80233
5261         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
5262         as last_combined_insn.  Do not test for BARRIER_P separately.
5263
5264 2017-03-29  Andreas Schwab  <schwab@suse.de>
5265
5266         PR ada/80146
5267         * calls.c (prepare_call_address): Convert funexp to Pmode before
5268         copying to temp reg.
5269
5270 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5271
5272         PR tree-optimization/80158
5273         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
5274         Handle possible future case of more than one alternate
5275         interpretation.
5276         (replace_rhs_if_not_dup): Likewise.
5277         (replace_one_candidate): Likewise.
5278
5279 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
5280
5281         PR rtl-optimization/80193
5282         * ira.c (ira): Do not check allocation for LRA.
5283
5284 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
5285
5286         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
5287         (nvptx_output_simt_exit): Declare.
5288         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
5289         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
5290         (init_softstack_frame): Move initialization of crtl->is_leaf to...
5291         (nvptx_declare_function_name): ...here.  Emit declaration of local
5292         memory space buffer for omp_simt_enter insn.
5293         (nvptx_output_unisimt_switch): New.
5294         (nvptx_output_softstack_switch): New.
5295         (nvptx_output_simt_enter): New.
5296         (nvptx_output_simt_exit): New.
5297         * config/nvptx/nvptx.h (struct machine_function): New fields
5298         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
5299         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
5300         (UNSPECV_SIMT_EXIT): Ditto.
5301         (omp_simt_enter_insn): New insn.
5302         (omp_simt_enter): New expansion.
5303         (omp_simt_exit): New insn.
5304         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
5305
5306         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
5307         (expand_GOMP_SIMT_ENTER_ALLOC): New.
5308         (expand_GOMP_SIMT_EXIT): New.
5309         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
5310         (GOMP_SIMT_ENTER_ALLOC): Ditto.
5311         (GOMP_SIMT_EXIT): Ditto.
5312         * target-insns.def (omp_simt_enter): New insn.
5313         (omp_simt_exit): Ditto.
5314         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
5315         simt_dlist.
5316         (lower_rec_simd_input_clauses): Implement SIMT privatization.
5317         (lower_rec_input_clauses): Likewise.
5318         (lower_lastprivate_clauses): Handle SIMT privatization.
5319
5320         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
5321         (ompdevlow_adjust_simt_enter): New.
5322         (find_simtpriv_var_op): New.
5323         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
5324         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
5325
5326         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
5327         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
5328         (copy_decl_for_dup_finish): Ditto.
5329
5330         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
5331
5332 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
5333
5334         PR target/53383
5335         * config/i386/i386.c (ix86_option_override_internal): Always
5336         allow -mpreferred-stack-boundary=3 for 64-bit targets.
5337
5338 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
5339
5340         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
5341
5342 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
5343
5344         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
5345         mark new edge's irreducible flag accordign to it.
5346         (vect_do_peeling): Check loop preheader edge's irreducible flag
5347         and pass it to function slpeel_add_loop_guard.
5348
5349 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
5350
5351         PR tree-optimization/80218
5352         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
5353         Update block frequencies and counts.
5354
5355 2017-03-28  Richard Biener  <rguenther@suse.de>
5356
5357         PR tree-optimization/78644
5358         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
5359         of a simplification result we may not use it at all.
5360
5361 2017-03-28  Richard Biener  <rguenther@suse.de>
5362
5363         PR ipa/80205
5364         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
5365         without arguments, generate default definition of a SSA name.
5366
5367 2017-03-28  Richard Biener  <rguenther@suse.de>
5368
5369         PR middle-end/80222
5370         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
5371         TYPE_REF_CAN_ALIAS_ALL references.
5372         * fold-const.c (fold_indirect_ref_1): Likewise.
5373
5374 2017-03-28  Martin Liska  <mliska@suse.cz>
5375
5376         PR ipa/80104
5377         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
5378         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
5379
5380 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
5381             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
5382
5383         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
5384         (EXTRA_SPECS): Define.
5385         (SUBTARGET_EXTRA_SPECS): Likewise.
5386         (SUBTARGET_CPP_SPEC): Likewise.
5387         * config/arc/elf.h (EXTRA_SPECS): Renamed to
5388         SUBTARGET_EXTRA_SPECS.
5389         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
5390
5391 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
5392
5393         * config/arc/simdext.md (vst64_insn): Update pattern.
5394         (vld32wh_insn): Likewise.
5395         (vld32wl_insn): Likewise.
5396         (vld64_insn): Likewise.
5397         (vld32_insn): Likewise.
5398
5399 2017-03-28  Marek Polacek  <polacek@redhat.com>
5400
5401         PR sanitizer/80067
5402         * fold-const.c (fold_comparison): Use protected_set_expr_location
5403         instead of SET_EXPR_LOCATION.
5404
5405 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
5406
5407         * tree.c (add_expr): Avoid name lookup warning.
5408
5409 2017-03-27  Jeff Law  <law@redhat.com>
5410
5411         PR tree-optimization/80216
5412         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
5413         function name.  Limit recursion depth.
5414         (record_temporary_equivalences): Corresponding changes.
5415
5416 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
5417
5418         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
5419         covered first.
5420
5421 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
5422
5423         PR target/80102
5424         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
5425         notes.
5426         * cfgcleanup.c (reg_note_cfa_p): New array.
5427         (insns_have_identical_cfa_notes): New function.
5428         (old_insns_match_p): Don't cross-jump in between /f
5429         and non-/f instructions.  If both i1 and i2 are frame related,
5430         verify all CFA notes, their order and content.
5431
5432 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
5433
5434         PR target/78543
5435         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
5436         HImode and SImode with zero extend to DImode to one insn.
5437         (bswap<mode>2_extenddi): Likewise.
5438         (bswapsi2_extenddi): Likewise.
5439         (bswaphi2_extendsi): Likewise.
5440         (bswaphi2): Combine bswap HImode and SImode into one insn.
5441         Separate memory insns from swapping register.
5442         (bswapsi2): Likewise.
5443         (bswap<mode>2): Likewise.
5444         (bswaphi2_internal): Delete, no longer used.
5445         (bswapsi2_internal): Likewise.
5446         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
5447         store, and gpr<-gpr swap insns.
5448         (bswap<mode>2_store): Likewise.
5449         (bswaphi2_reg): Register only splitter, combine with the splitter.
5450         (bswaphi2 splitter): Likewise.
5451         (bswapsi2_reg): Likewise.
5452         (bswapsi2 splitter): Likewise.
5453         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
5454         the insns into load, store, and register/register insns.
5455         (bswapdi2_ldbrx): Likewise.
5456         (bswapdi2_load): Likewise.
5457         (bswapdi2_store): Likewise.
5458         (bswapdi2_reg): Likewise.
5459
5460 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
5461
5462         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
5463         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
5464
5465 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5466
5467         PR target/80103
5468         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
5469         add comments.
5470         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
5471         special handling for target option conflicts between dform
5472         options (-mpower9-dform, -mpower9-dform-vector,
5473         -mpower9-dform-scalar) and -mno-direct-move.
5474
5475 2017-03-27  Richard Biener  <rguenther@suse.de>
5476
5477         PR tree-optimization/80181
5478         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
5479
5480 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
5481
5482         * config/arc/predicates.md (move_double_src_operand): Replace the
5483         call to move_double_src_operand with a call to address_operand.
5484
5485 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
5486
5487         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
5488         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
5489         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
5490
5491 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
5492
5493         * config/arc/predicates.md (long_immediate_loadstore_operand):
5494         Consider scaled addresses cases.
5495
5496 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
5497
5498         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
5499         restored when in interrupt.
5500         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
5501         doesn't have delay slot.
5502
5503 2017-03-27  Richard Biener  <rguenther@suse.de>
5504
5505         PR ipa/79776
5506         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
5507         inlined thunk clones.
5508
5509 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
5510
5511         PR sanitizer/80168
5512         * asan.c (instrument_derefs): Copy over last operand from
5513         original COMPONENT_REF to the new COMPONENT_REF with
5514         DECL_BIT_FIELD_REPRESENTATIVE.
5515         * ubsan.c (instrument_object_size): Likewise.
5516
5517 2017-03-27  Richard Biener  <rguenther@suse.de>
5518
5519         PR tree-optimization/80170
5520         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
5521         sure DR/SCEV didnt fold in constants we do not see when looking
5522         at the reference base alignment.
5523
5524 2017-03-27  Richard Biener  <rguenther@suse.de>
5525
5526         PR middle-end/80171
5527         * gimple-fold.c (fold_ctor_reference): Properly guard against
5528         NULL return value from canonicalize_constructor_val.
5529
5530 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
5531
5532         PR target/80180
5533         * config/i386/i386.c (ix86_expand_builtin)
5534         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
5535         flags reg setting and flags reg using instructions.
5536         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
5537         clobbering instructions to zero extend op2.
5538
5539 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
5540
5541         * doc/install.texi (Configuration) <--with-aix-soname>:
5542         Update link to AIX ld.
5543
5544 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
5545
5546         PR rtl-optimization/80160
5547         PR rtl-optimization/80159
5548         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
5549         reg_alternate_class into account.
5550
5551 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
5552
5553         PR target/80148
5554         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
5555         to consider in curr_insn_transform.
5556
5557 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
5558
5559         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
5560         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
5561         and emit_mode_inner.
5562
5563 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5564
5565         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
5566         argument to the overloaded builtin variants.  Use the new flag to
5567         deprecate certain builtin variants.
5568         * config/s390/s390-builtin-types.def: Add new builtin types.
5569         * config/s390/s390-builtins.h: Support new flags field for
5570         overloaded builtins.
5571         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
5572         (s390_macro_to_expand): Enable vector float data type.
5573         (s390_cpu_cpp_builtins_internal): Indicate support of the new
5574         builtins by incrementing the __VEC__ version number.
5575         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
5576         vec_xst.
5577         (s390_resolve_overloaded_builtin): Emit error messages depending
5578         on the builtin flags.
5579         * config/s390/s390.c (s390_expand_builtin): Support additional
5580         flags argument.  Change error message to match the messages
5581         emitted in s390-c.c.
5582         * config/s390/s390.md: New UNSPEC_* constants.
5583         (op_type): Add new instruction types.
5584         * config/s390/vecintrin.h: Add new builtins and test data class
5585         constants.
5586         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
5587         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
5588         (VEC_INEXACT, VEC_NOINEXACT): New constants.
5589         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
5590         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
5591         ("vec_mergel<mode>"): V_HW -> VEC_HW.
5592
5593         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
5594         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
5595         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
5596         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
5597
5598         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
5599         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
5600         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
5601         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
5602
5603         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
5604         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
5605         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
5606         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
5607         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
5608         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
5609         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
5610
5611         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
5612         ("vec_scatter_element<V_HW_4:mode>_DI")
5613         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
5614         ("vec_fpint<mode>", "vflls")
5615         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
5616         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
5617         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
5618         ("*vec_cmphe<mode>_cc"): ... these.
5619
5620         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
5621         mode constant instead of magic value.
5622
5623 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5624
5625         * config/s390/s390.c (s390_expand_vec_compare): Support other
5626         vector floating point modes than just V2DF.
5627         (s390_expand_vcond): Likewise.
5628         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
5629         (s390_cannot_change_mode_class): Prevent mode changes between TF
5630         and V1TF in vector registers.
5631         * config/s390/s390.md (DF, SF): New mode attributes.
5632         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
5633         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
5634         SFmode support for VRs.
5635         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
5636         vector fp modes.
5637         (VFT, VF_HW): New mode iterators.
5638         (vw, sdx): New mode attributes.
5639         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
5640         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
5641         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
5642         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
5643         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
5644         also the new vector floating point modes.  Renaming to ...
5645
5646         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
5647         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
5648         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
5649         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
5650         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
5651         ("vec_unordered<mode>"): ... these.
5652
5653         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
5654         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
5655         ("*vec_extendv2df"): New insn definitions.
5656
5657 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5658
5659         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
5660         ("mulditi3_2", "*muldi3_sign"): New patterns.
5661         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
5662         rename the pattern definition.
5663
5664 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5665
5666         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
5667         expander.
5668         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
5669
5670 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5671
5672         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
5673         instruction if possible.
5674         * config/s390/vector.md (vec_halfnumelts): New mode
5675         attribute.
5676         ("*vec_vllezlf<mode>"): New pattern.
5677
5678 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5679
5680         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
5681         ("popcountv4si2", "popcountv2di2"): Rename to ...
5682         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
5683         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
5684         condition.
5685         ("popcount<mode>2_vxe"): New pattern.
5686
5687 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5688
5689         * common/config/s390/s390-common.c (processor_flags_table): Add
5690         arch12.
5691         * config.gcc: Add arch12.
5692         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5693         Default to arch12 for unknown CPU model numbers.
5694         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
5695         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
5696         PROCESSOR_max sanity check.
5697         * config/s390/s390-opts.h (enum processor_type): Add
5698         PROCESSOR_ARCH12.
5699         * config/s390/s390.c (processor_table): Add arch12.
5700         (s390_expand_builtin): Add check for B_VXE flag.
5701         (s390_issue_rate): Add PROCESSOR_ARCH12.
5702         (s390_get_sched_attrmask): Likewise.
5703         (s390_get_unit_mask): Likewise.
5704         (s390_sched_score): Enable z13 scheduling for arch12.
5705         (s390_sched_reorder): Likewise.
5706         (s390_sched_variable_issue): Likewise.
5707         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
5708         PF_VXE.
5709         (s390_tune_attr): Use z13 scheduling also for arch12.
5710         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
5711         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
5712         (TARGET_VXE_P): New macros.
5713         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
5714         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
5715         * config/s390/s390.opt: Add arch12 as processor_type.
5716
5717 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5718
5719         * config/s390/s390.md
5720         ("fixuns_truncdddi2", "fixuns_trunctddi2")
5721         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
5722         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
5723
5724         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
5725         Rename expanders to ...
5726
5727         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
5728         ("fixuns_truncdddi2_emu"): ... these.
5729
5730         ("fixuns_trunc<mode>si2_emu"): New expander.
5731
5732         ("*fixuns_truncdfdi2_z13"): Rename to ...
5733         ("*fixuns_truncdfdi2_vx"): ... this.
5734
5735 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5736
5737         * config/s390/2964.md: Remove the single element vector compare
5738         instructions which are no longer used.
5739         * config/s390/s390.c (s390_select_ccmode): Remove handling of
5740         vector CCmodes.
5741         (s390_canonicalize_comparison): Remove handling of DFmode
5742         compares.
5743         (s390_expand_vec_compare_scalar): Remove function.
5744         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
5745         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
5746         pattern.
5747         ("*cmp<mode>_ccs"): Add wfcdb instruction.
5748
5749 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5750
5751         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
5752         FP zero.
5753         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
5754         will anyway by matched by mov<mode>_64dfp.
5755
5756 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5757
5758         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
5759         vlef/vstef.  Add missing operand to vleif.
5760
5761 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5762
5763         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
5764         pair for all vector types with 64 bit elements.
5765         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
5766         * config/s390/vector.md (V_HW_64): ... here.
5767         (V_128_NOSINGLE): New mode iterator.
5768         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
5769         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
5770         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
5771         ("*vec_load_pairv2di"): Change to ...
5772         ("*vec_load_pair<mode>"): ... this one.
5773
5774 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5775
5776         * config/s390/constraints.md: Add comments.
5777         (jKK): Reject element sizes > 8 bytes.
5778         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
5779         s_operands.
5780         * config/s390/s390.md: Add the s_operand checks formerly in
5781         s390_split_ok_p to various splitters where they are still
5782         required.
5783         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
5784         for 128 bit vectors.  Plus two splitters.
5785
5786 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5787
5788         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
5789         the file.
5790
5791 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5792
5793         PR target/79893
5794         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
5795         error if the boundary argument is not constant.
5796
5797 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
5798
5799         PR rtl-optimization/80112
5800         * loop-doloop.c (doloop_condition_get): Don't check condition
5801         if cmp isn't SET with IF_THEN_ELSE src.
5802
5803 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5804
5805         PR tree-optimization/80158
5806         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
5807         replacing a candidate statement, also replace it for the
5808         candidate's alternate interpretation.
5809         (replace_rhs_if_not_dup): Likewise.
5810         (replace_one_candidate): Likewise.
5811
5812 2017-03-24  Richard Biener  <rguenther@suse.de>
5813
5814         PR tree-optimization/80167
5815         * graphite-isl-ast-to-gimple.c
5816         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
5817         properly.
5818         (translate_isl_ast_to_gimple::get_rename): Likewise.
5819
5820 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5821
5822         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
5823         handling of certain combinations of target options, including the
5824         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
5825         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
5826
5827 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5828
5829         PR target/71436
5830         * config/arm/arm.md (*load_multiple): Add reload_completed to
5831         matching condition.
5832
5833 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5834             Richard Biener  <rguenth@suse.de>
5835
5836         PR tree-optimization/79908
5837         PR tree-optimization/80136
5838         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
5839         been cast away, gimplify_and_add suffices.
5840
5841 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
5842
5843         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
5844
5845 2017-03-23  Richard Biener  <rguenther@suse.de>
5846
5847         PR tree-optimization/80032
5848         * gimplify.c (gimple_push_cleanup): Forced unconditional
5849         cleanups still have to go to the conditional_cleanups
5850         sequence.
5851
5852 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
5853
5854         PR tree-optimization/80072
5855         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
5856         to unsigned int.
5857         (next_operand_entry_id): Change type to unsigned int.
5858         (sort_by_operand_rank): Make sure to return the right return value
5859         even if unsigned fields are bigger than INT_MAX.
5860         (struct oecount): Change cnt and id type to unsigned int.
5861         (oecount_hasher::equal): Formatting fix.
5862         (oecount_cmp): Make sure to return the right return value
5863         even if unsigned fields are bigger than INT_MAX.
5864         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
5865
5866         PR c++/80129
5867         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
5868         TREE_READONLY on result if writing it more than once.
5869
5870         PR sanitizer/80110
5871         * doc/invoke.texi (-fsanitize=thread): Document that with
5872         -fnon-call-exceptions atomics are not able to throw
5873         exceptions.
5874
5875         PR sanitizer/80110
5876         * tsan.c: Include tree-eh.h.
5877         (instrument_builtin_call): Call maybe_clean_eh_stmt or
5878         maybe_clean_or_replace_eh_stmt where needed.
5879         (instrument_memory_accesses): Add cfg_changed argument.
5880         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
5881         if it returned true.
5882         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
5883
5884         PR rtl-optimization/63191
5885         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
5886         wrapper function, moved the whole old content into ...
5887         (ix86_delegitimize_address_1): ... this.  New inline function.
5888         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
5889         true as last argument instead of ix86_delegitimize_address.
5890
5891 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
5892
5893         * config/aarch64/aarch64.c (generic_branch_cost): Copy
5894         cortexa57_branch_cost.
5895
5896 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
5897
5898         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
5899
5900 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5901
5902         PR target/80123
5903         * doc/md.texi (Constraints): Document wA constraint.
5904         * config/rs6000/constraints.md (wA): New.
5905         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
5906         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
5907         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
5908         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
5909
5910 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
5911
5912         PR c++/80029
5913         * gimplify.c (is_oacc_declared): New function.
5914         (oacc_default_clause): Use it to set default flags for acc declared
5915         variables inside parallel regions.
5916         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
5917         declared variables.
5918         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
5919         declare attribute to any decl as necessary.
5920
5921 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5922
5923         PR target/80082
5924         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
5925         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
5926         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
5927         (arm_arch_lpae): This.
5928         * config/arm/arm.c (arm_arch7ve): Rename into ...
5929         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
5930         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
5931         arm_arch_lpae.
5932
5933 2017-03-22  Martin Liska  <mliska@suse.cz>
5934
5935         PR target/79906
5936         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
5937         error message instead of an ICE.
5938
5939 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5940
5941         * doc/extend.texi (6.11 Additional Floating Types): Revise.
5942
5943 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5944
5945         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
5946         comments.
5947         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
5948         comments.
5949
5950 2017-03-21  Martin Sebor  <msebor@redhat.com>
5951
5952         * doc/extend.texi: Use "cannot" instead of "can't."
5953         * doc/hostconfig.texi: Same.
5954         * doc/install.texi: Same.
5955         * doc/invoke.texi: Same.
5956         * doc/loop.texi: Same.
5957         * doc/md.texi: Same.
5958         * doc/objc.texi: Same.
5959         * doc/rtl.texi: Same.
5960         * doc/tm.texi: Same.
5961         * doc/tm.texi.in: Same.
5962         * doc/trouble.texi: Same.
5963
5964 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
5965
5966         PR debug/63238
5967         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
5968         (collect_checksum_attributes): Set it.
5969         (die_checksum_ordered): Use it.
5970
5971 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5972
5973         PR tree-optimization/79908
5974         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
5975         change: For a VA_ARG whose LHS has been cast away, use
5976         force_gimple_operand to construct the side effects.
5977
5978 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
5979
5980         PR translation/80001
5981         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
5982         more amenable to translation.
5983         (oacc_loop_auto_partitions): Likewise.
5984
5985 2017-03-21  Marek Polacek  <polacek@redhat.com>
5986             Martin Sebor  <msebor@redhat.com>
5987
5988         PR tree-optimization/80109
5989         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
5990         on INTEGRAL_TYPE_P.
5991
5992 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
5993             Segher Boessenkool  <segher@kernel.crashing.org>
5994
5995         PR target/80125
5996         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
5997         check reg_used_between_p between insn and one of succ or succ2
5998         depending on if succ is artificial insn not inserted into insn
5999         stream.
6000
6001 2017-03-21  Martin Liska  <mliska@suse.cz>
6002
6003         PR gcov-profile/80081
6004         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
6005         * doc/gcc.texi: Include gcov-dump stuff.
6006         * doc/gcov-dump.texi: New file.
6007
6008 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
6009
6010         PR rtl-optimization/79150
6011         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
6012         conditional jump, if the jump is the last insn of the loop.
6013
6014 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6015             Richard Biener  <rguenth@suse.de>
6016
6017         PR tree-optimization/79908
6018         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
6019         been cast away, use force_gimple_operand to construct the side
6020         effects.
6021
6022 2017-03-21  Martin Liska  <mliska@suse.cz>
6023
6024         PR libfortran/79956
6025         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
6026         to NULL.
6027
6028 2017-03-21  Brad Spengler <spender@grsecurity.net>
6029
6030         PR plugins/80094
6031         * plugin.c (htab_hash_plugin): New function.
6032         (add_new_plugin): Use it and adjust.
6033         (parse_plugin_arg_opt): Adjust.
6034         (init_one_plugin): Likewise.
6035
6036 2017-03-21  Richard Biener  <rguenther@suse.de>
6037
6038         PR tree-optimization/80032
6039         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
6040         if set force the cleanup to happen unconditionally.
6041         (gimplify_target_expr): Push inserted clobbers with force_uncond
6042         to avoid them being removed by control-dependent DCE.
6043
6044 2017-03-21  Richard Biener  <rguenther@suse.de>
6045
6046         PR tree-optimization/80122
6047         * tree-inline.c (copy_bb): Do not expans va-arg packs or
6048         va_arg_pack_len when the inlined call stmt requires pack
6049         expansion itself.
6050         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
6051
6052 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
6053
6054         PR sanitizer/78158
6055         * tsan.c (instrument_builtin_call): If the memory model argument
6056         is not a constant, assume it is valid.
6057
6058         PR c/67338
6059         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
6060         avoid UB.
6061
6062 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
6063
6064         PR rtl-optimization/79910
6065         * combine.c (can_combine_p): Do not allow combining an I0 or I1
6066         if its dest is used by an insn before I2 (other than the combined
6067         insns themselves, which are properly handled already).
6068
6069 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
6070
6071         Revert:
6072         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
6073
6074         * combine.c (record_used_regs): New static function.
6075         (try_combine): Handle situations where there is an additional
6076         instruction between I2 and I3 which needs to have a LOG_LINK
6077         updated.
6078
6079         Revert:
6080         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
6081
6082         * combine.c (try_combine): Delete redundant i1 test.  Call
6083         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
6084
6085 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6086
6087         PR target/80083
6088         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
6089         alternatives 13/14.
6090
6091 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6092
6093         PR tree-optimization/80054
6094         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
6095         the optimization if a PHI or any of its arguments is not dominated
6096         by the candidate's basis.  Use gphi* rather than gimple* as
6097         appropriate.
6098         (replace_profitable_candidates): Clean up a gimple* variable that
6099         should be a gphi* variable.
6100
6101 2017-03-20  Martin Sebor  <msebor@redhat.com>
6102
6103         PR c++/52477
6104         * doc/extend.texi (attribute constructor): Document present limitation.
6105
6106 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6107
6108         PR target/79963
6109         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
6110         __POWER9_VECTOR__ #ifdef control, change template definition to
6111         use Power9-specific built-in function.
6112         (vec_any_eq): Likewise.
6113         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
6114         to control outcomes from this test.
6115         (vector_ae_<mode>p): For VEC_F modes, likewise.
6116
6117 2017-03-20  Ian Lance Taylor  <iant@google.com>
6118
6119         * config/i386/i386.c (ix86_function_regparm): Save an extra
6120         register for -fsplit-stack with DECL_STATIC_CHAIN.
6121
6122 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
6123
6124         PR target/79912
6125         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
6126         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
6127
6128 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
6129
6130         * config/riscv/riscv.c (riscv_print_operand): Use "fence
6131         iorw,ow".
6132         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
6133         iorw,iorw".
6134
6135 2017-03-20  Marek Polacek  <polacek@redhat.com>
6136
6137         PR sanitizer/80063
6138         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
6139
6140 2017-03-20  Richard Biener  <rguenther@suse.de>
6141
6142         PR tree-optimization/80113
6143         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
6144         allocate extra SSA name for PHI def.
6145         (add_close_phis_to_outer_loops): Likewise.
6146         (add_close_phis_to_merge_points): Likewise.
6147         (copy_loop_close_phi_args): Likewise.
6148         (copy_cond_phi_nodes): Likewise.
6149
6150 2017-03-20  Martin Liska  <mliska@suse.cz>
6151
6152         PR middle-end/79753
6153         * tree-chkp.c (chkp_build_returned_bound): Do not build
6154         returned bounds for a LHS that's not a BOUNDED_P type.
6155
6156 2017-03-20  Martin Liska  <mliska@suse.cz>
6157
6158         PR target/79769
6159         PR target/79770
6160         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
6161         COMPLEX_CST and VECTOR_CST.
6162
6163 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6164
6165         PR target/78857
6166         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
6167         target operand.  A new splitter adds the clobber statement in case
6168         the target operand is dead anyway.
6169
6170 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
6171
6172         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
6173         to age-old versions of binutils and glibc.
6174
6175 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
6176
6177         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
6178
6179 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
6180
6181         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
6182
6183 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
6184
6185         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
6186         requirement for binutils 2.13.
6187
6188 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
6189
6190         * combine.c (try_combine): Delete redundant i1 test.  Call
6191         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
6192
6193 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
6194
6195         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
6196         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
6197         contents.
6198         <riscv64-*-elf>: Re-arrange section
6199         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
6200         <riscv32-*-linux>: Likewise.
6201         <riscv64-*-elf>: Likewise
6202         <riscv64-*-linux>: Likewise.
6203
6204 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
6205
6206         PR target/80052
6207         * aarch64.opt(verbose-cost-dump): Fix typo.
6208
6209 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
6210
6211         PR target/79951
6212         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
6213         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
6214
6215 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
6216
6217         * reload.c (find_reloads): When reloading a nonoffsettable address,
6218         use RELOAD_OTHER for it and its address reloads.
6219
6220         PR rtl-optimization/79910
6221         * combine.c (record_used_regs): New static function.
6222         (try_combine): Handle situations where there is an additional
6223         instruction between I2 and I3 which needs to have a LOG_LINK
6224         updated.
6225
6226 2017-03-17  Jeff Law  <law@redhat.com>
6227
6228         PR tree-optimization/71437
6229         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
6230         conditional in the hash table first.
6231         (vrp_dom_walker::before_dom_children): Extract condition from
6232         ASSERT_EXPR.  Record condition, its inverion and any implied
6233         conditions as well.
6234
6235 2017-03-17  Marek Polacek  <polacek@redhat.com>
6236             Markus Trippelsdorf  <markus@trippelsdorf.de>
6237
6238         PR tree-optimization/80079
6239         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
6240         m_stores_head.
6241
6242 2017-03-17  Richard Biener  <rguenther@suse.de>
6243
6244         PR middle-end/80075
6245         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
6246         Properly verify the LHS before the RHS possibly claims to be
6247         handled.
6248         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
6249         do not throw.
6250
6251 2017-03-17  Martin Jambor  <mjambor@suse.cz>
6252
6253         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
6254         (List of -O2 options): Likewise.
6255         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
6256         (-fipa-vrp) New.
6257
6258 2017-03-17  Tom de Vries  <tom@codesourcery.com>
6259
6260         * gcov-dump.c (print_usage): Print bug_report_url.
6261
6262 2017-03-17  Richard Biener  <rguenther@suse.de>
6263
6264         PR middle-end/80050
6265         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
6266         (parser::peek): Likewise.
6267
6268 2017-03-17  Richard Biener  <rguenther@suse.de>
6269
6270         PR tree-optimization/80048
6271         * sese.c (free_sese_info): Properly release rename_map and
6272         copied_bb_map elements.
6273
6274 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
6275
6276         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
6277         Add linked-list forward and backlinks.  Insert on
6278         construction, remove on destruction.
6279         (class pass_store_merging): Add m_stores_head field.
6280         (pass_store_merging::terminate_and_process_all_chains):
6281         Iterate over m_stores_head list.
6282         (pass_store_merging::terminate_all_aliasing_chains):
6283         Likewise.
6284         (pass_store_merging::execute): Check for debug stmts first.
6285         Push new chains onto the m_stores_head stack.
6286
6287 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
6288
6289         PR target/71294
6290         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
6291         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
6292         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
6293
6294 2017-03-16  Jeff Law  <law@redhat.com>
6295
6296         PR tree-optimization/71437
6297         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
6298         member function.  Implementation moved into after_dom_children
6299         member function and into the threader's thread_outgoing_edges
6300         function.
6301         (dom_opt_dom_walker::after_dom_children): Simplify by moving
6302         some code into new thread_outgoing_edges.
6303         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
6304         definition.  Simplify marker handling (do it here).   Assume we always
6305         have the available expression and the const/copies tables.
6306         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
6307         and tree-vrp.c
6308         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
6309         * tree-vrp.c (equiv_stack): No longer file scoped.
6310         (vrp_dom_walker): New class.
6311         (vrp_dom_walker::before_dom_children): New member function.
6312         (vrp_dom_walker::after_dom_children): Likewise.
6313         (identify_jump_threads):  Setup domwalker.  Use it rather than
6314         walking edges in a random order by hand.  Simplify setup/finalization.
6315         (finalize_jump_threads): Remove.
6316         (vrp_finalize): Do not call identify_jump_threads here.
6317         (execute_vrp): Do it here instead and call thread_through_all_blocks
6318         here too.
6319
6320         PR tree-optimization/71437
6321         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
6322         callers changed.
6323         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
6324         callers changed.
6325         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
6326         (dom_opt_dom_walker::thread_across_edge): Remove
6327         handle_dominating_asserts argument.  All callers changed.
6328         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
6329         changes.  Remove calls to lhs_of_dominating_assert.  Other
6330         uses of handle_dominating_asserts turn into unconditional code
6331         (simplify_control_stmt_condition_1): Likewise.
6332         (simplify_control_stmt_condition): Likewise.
6333         (thread_through_normal_block, thread_across_edge): Likewise.
6334         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
6335         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
6336         object if it is not an SSA_NAME.
6337         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
6338         before calling into the VRP specific simplifiers.
6339         (identify_jump_threads): Remove handle_dominating_asserts
6340         argument.
6341
6342 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
6343
6344         PR fortran/79886
6345         * tree-diagnostic.c (default_tree_printer): No longer static.
6346         * tree-diagnostic.h (default_tree_printer): New prototype.
6347
6348 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
6349
6350         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
6351         Change ins into fmov.
6352
6353 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6354
6355         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
6356         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
6357         Use h_con constraint for operand 1.
6358         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
6359         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
6360
6361 2017-03-15  Jeff Law  <law@redhat.com>
6362
6363         PR tree-optimization/71437
6364         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
6365         (record_temporary_equivalences): Use it.
6366
6367         PR tree-optimization/71437
6368         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
6369         tree-ssa-scopedtables.
6370         (lookup_avail_expr, build_and_record_new_cond): Likewise.
6371         (record_conditions, record_cond, vuse_eq): Likewise.
6372         (record_edge_info): Adjust to API tweak of record_conditions.
6373         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
6374         (record_temporary_equivalences, optimize_stmt): Likewise.
6375         (eliminate_redundant_computations): Likewise.
6376         (record_equivalences_from_stmt): Likewise.
6377         * tree-ssa-scopedtables.c: Include options.h and params.h.
6378         (vuse_eq): New function, moved from tree-ssa-dom.c
6379         (build_and_record_new_cond): Likewise.
6380         (record_conditions): Likewise.  Accept vector of conditions rather
6381         than edge_equivalence structure for first argument.
6382         for the first argument.
6383         (avail_exprs_stack::lookup_avail_expr): New member function, moved
6384         from tree-ssa-dom.c.
6385         (avail_exprs_stack::record_cond): Likewise.
6386         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
6387         from tree-ssa-dom.c.
6388         (avail_exprs_stack): Add new member functions lookup_avail_expr
6389         and record_cond.
6390         (record_conditions): Declare.
6391
6392 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
6393
6394         PR target/80017
6395         * lra-constraints.c (process_alt_operands): Increase reject for
6396         reloading an input/output operand.
6397
6398 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
6399
6400         PR target/79038
6401         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
6402         insns to convert from signed/unsigned char/short to IEEE 128-bit
6403         floating point.
6404         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
6405
6406 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
6407
6408         PR target/80019
6409         * config/i386/i386.c (ix86_vector_duplicate_value): Create
6410         subreg of inner mode for values already in registers.
6411
6412 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
6413
6414         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
6415         iteration reg is used after the loop.
6416
6417 2017-03-14  Martin Sebor  <msebor@redhat.com>
6418
6419         PR tree-optimization/79800
6420         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
6421         precision in negative-positive range.
6422         (format_floating): Call non-const overload with adjusted precision.
6423
6424 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6425
6426         PR target/79947
6427         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
6428         -mpowerpc-gfxopt.
6429
6430 2017-03-14  Martin Sebor  <msebor@redhat.com>
6431
6432         PR middle-end/80020
6433         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
6434         * builtins.def (aligned_alloc): Use it.
6435
6436         PR c/79936
6437         * Makefile.in (GTFILES): Add calls.c.
6438         * calls.c: Include "gt-calls.h".
6439
6440 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
6441
6442         PR rtl-optimization/79728
6443         * regs.h (struct target_regs): New field
6444         x_contains_allocatable_regs_of_mode.
6445         (contains_allocatable_regs_of_mode): New macro.
6446         * reginfo.c (init_reg_sets_1): Initialize it, and change
6447         contains_reg_of_mode so it includes global regs as well.
6448         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
6449         rather than contains_regs_of_mode.
6450
6451 2017-03-14  Martin Liska  <mliska@suse.cz>
6452
6453         * doc/invoke.texi: Document options that can't be combined with
6454         -fcheck-pointer-bounds.
6455
6456 2017-03-14  Martin Liska  <mliska@suse.cz>
6457
6458         PR middle-end/79831
6459         * doc/invoke.texi (-Wchkp): Document the option.
6460
6461 2017-03-14  Martin Liska  <mliska@suse.cz>
6462
6463         * Makefile.in: Install gcov-dump.
6464
6465 2017-03-14  Martin Liska  <mliska@suse.cz>
6466
6467         * multiple_target.c (expand_target_clones): Bail out for
6468         an invalid attribute.
6469
6470 2017-03-14  Richard Biener  <rguenther@suse.de>
6471
6472         * alias.c (struct alias_set_entry): Pack properly.
6473         * cfgloop.h (struct loop): Likewise.
6474         * cse.c (struct set): Likewise.
6475         * ipa-utils.c (struct searchc_env): Likewise.
6476         * loop-invariant.c (struct invariant): Likewise.
6477         * lra-remat.c (struct cand): Likewise.
6478         * recog.c (struct change_t): Likewise.
6479         * rtl.h (struct address_info): Likewise.
6480         * symbol-summary.h (function_summary): Likewise.
6481         * tree-loop-distribution.c (struct partition): Likewise.
6482         * tree-object-size.c (struct object_size_info): Likewise.
6483         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
6484         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
6485         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
6486         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
6487         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
6488         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
6489         (struct _stmt_vec_info): Likewise.
6490
6491 2017-03-14  Martin Liska  <mliska@suse.cz>
6492
6493         PR target/79892
6494         * multiple_target.c (create_dispatcher_calls): Check that
6495         a target can create a function dispatcher.
6496
6497 2017-03-14  Martin Liska  <mliska@suse.cz>
6498
6499         PR lto/66295
6500         * multiple_target.c (expand_target_clones): Drop local.local
6501         flag for default implementation.
6502
6503 2017-03-14  Richard Biener  <rguenther@suse.de>
6504
6505         PR tree-optimization/80030
6506         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
6507
6508 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
6509
6510         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
6511         gcc_fallthrough() instead of __attribute__((fallthrough));
6512
6513 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
6514
6515         * doc/gcc.texi: Remove "up" link to (DIR).
6516         * doc/gccint.texi: Ditto.
6517
6518 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
6519
6520         * doc/install.texi (Specific) <avr>: Remove reference to
6521         binutils 2.13.
6522
6523 2017-03-13  Jeff Law  <law@redhat.com>
6524
6525         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
6526         attribute rather than comments.
6527
6528         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
6529         match_scratch operand is highest.
6530
6531 2017-03-13  Martin Liska  <mliska@suse.cz>
6532
6533         PR middle-end/78339
6534         * ipa-pure-const.c (warn_function_noreturn): If the declarations
6535         is a CHKP clone, use original declaration.
6536
6537 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
6538
6539         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
6540         (arc_conditional_register_usage): Use a different allocation order
6541         when optimizing for size.
6542         * common/config/arc/arc-common.c (arc_option_optimization_table):
6543         Section anchors default on when optimizing for size.
6544
6545 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
6546
6547         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
6548
6549 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
6550
6551         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
6552         * config/arc/arc.md (cpu_facility): Add cd variant.
6553         (*movqi_insn): Add code density variant.
6554         (*movhi_insn): Likewise.
6555         (*movqi_insn): Likewise.
6556         (*addsi3_mixed): Likewise.
6557         (subsi3_insn): Likewise.
6558
6559 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
6560
6561         * config/arc/arc.md (movsi_cond_exec): Update constraint.
6562
6563 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
6564
6565         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
6566         expressions with MINUS and UNARY ops.
6567
6568 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6569
6570         PR target/79911
6571         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
6572         Rename to...
6573         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
6574         between vec_select and vector argument.
6575         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
6576         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
6577         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
6578         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
6579         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
6580         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
6581
6582 2017-03-13  Richard Biener  <rguenther@suse.de>
6583
6584         PR other/79991
6585         * params.def (vect-max-peeling-for-alignment): Fix typo.
6586
6587 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
6588
6589         * doc/install.texi (Specific) <mips-*-*>: Remove description of
6590         issue that only occurred with binutils below 2.18.
6591
6592 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
6593
6594         * doc/install.texi (Specific) <cris-axis-elf>: No longer
6595         refer to binutils 2.11/2.12 minimum.
6596
6597 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
6598
6599         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
6600         ftp.kernel.org and simplify binutils requirement.
6601
6602 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
6603
6604         * doc/invoke.texi (Warning Options): Fix spelling of link-time
6605         optimization.
6606         (Optimize Options): Ditto.  Also remove redundancy.
6607
6608 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
6609
6610         PR translation/79848
6611         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
6612         "%qs".
6613         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
6614         to G_ to avoid double translation.
6615
6616 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
6617
6618         PR translation/79923
6619         * auto-profile.c (get_combined_location): Convert leading
6620         character of diagnostics to lower case and remove trailing period.
6621         (read_profile): Likewise for various diagnostics.
6622         * config/arm/arm.c (arm_option_override): Remove trailing period
6623         from various diagnostics.
6624         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
6625         (msp430_expand_delay_cycles): Likewise.
6626
6627 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
6628
6629         PR target/79925
6630         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
6631         full command-line argument, rather than just "str".
6632         (aarch64_validate_march): Likewise.
6633         (aarch64_validate_mtune): Likewise.
6634
6635 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
6636
6637         PR rtl-optimization/78911
6638         * lra-assigns.c (must_not_spill_p): New function.
6639         (spill_for): Use it.
6640
6641 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
6642
6643         PR tree-optimization/79981
6644         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
6645         ATOMIC_COMPARE_EXCHANGE ifn result.
6646         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
6647         IFN_ATOMIC_COMPARE_EXCHANGE.
6648
6649 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
6650
6651         PR driver/79875
6652         * opts.c (parse_sanitizer_options): Add missing question mark to
6653         "did you mean" message.
6654
6655 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6656
6657         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
6658         built-in.
6659         (VMULEUH_UNS): Likewise.
6660         (VMULOUB_UNS): Likewise.
6661         (VMULOUH_UNS): Likewise.
6662         * config/rs6000/rs6000.c (builtin_function_type): Remove
6663         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
6664
6665 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
6666
6667         PR bootstrap/79952
6668         * read-rtl-function.c (function_reader::read_rtx_operand): Update
6669         x with result of extra_parsing_for_operand_code_0.
6670         (function_reader::extra_parsing_for_operand_code_0): Convert
6671         return type from void to rtx, returning x.  When reading
6672         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
6673         larger size containing struct block_symbol.
6674
6675 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
6676
6677         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
6678         -mfloat128-hardware without -m64.
6679
6680 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
6681
6682         PR target/79941
6683         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
6684         entries to the case statement that marks unsigned arguments to
6685         overloaded functions.
6686
6687 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6688
6689         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
6690         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
6691
6692 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
6693
6694         PR target/79907
6695         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
6696         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
6697
6698 2017-03-10  Martin Liska  <mliska@suse.cz>
6699
6700         PR target/65705
6701         PR target/69804
6702         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
6703         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
6704         FIELD != NULL.
6705
6706 2017-03-10  Olivier Hainque  <hainque@adacore.com>
6707
6708         * tree-switch-conversion (array_value_type): Start by resetting
6709         candidate type to it's main variant.
6710
6711 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
6712
6713         PR rtl-optimization/79909
6714         * combine.c (try_combine): Use simplify_replace_rtx on individual
6715         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
6716         of the whole CALL_INSN_FUNCTION_USAGE.
6717
6718         PR tree-optimization/79972
6719         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
6720         get_range_info on SSA_NAMEs.  Formatting fixes.
6721
6722 2017-03-10  Richard Biener  <rguenther@suse.de>
6723             Jakub Jelinek  <jakub@redhat.com>
6724
6725         PR tree-optimization/77975
6726         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
6727         edge to be constant.
6728         (get_val_for): For constant x return it.  Formatting fix.
6729         (loop_niter_by_eval): Avoid pointless looping if the next iteration
6730         would use the same bases as the current one.
6731
6732 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6733
6734         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
6735         instead of vec_select for V1TImode.
6736         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
6737         longer needed.
6738         (VSX_LE_128): Add V1TI to this mode iterator.
6739         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
6740         (*vsx_le_perm_store_<mode>): Likewise.
6741         (pre-reload splitter for VSX stores): Likewise.
6742         (post-reload splitter for VSX stores): Likewise.
6743         (*vsx_xxpermdi2_le_<mode>): Likewise.
6744         (*vsx_lxvd2x2_le_<mode>): Likewise.
6745         (*vsx_stxvd2x2_le_<mode>): Likewise.
6746
6747 2017-03-09  Michael Eager  <eager@eagercon.com>
6748
6749         Correct failures with --enable-checking=yes,rtl.
6750
6751         * config/microblaze/microblaze.c (microblaze_expand_shift):
6752         Replace GET_CODE test with CONST_INT_P and INTVAL test with
6753         test for const0_rtx.
6754         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
6755         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
6756
6757 2017-03-09  Richard Biener  <rguenther@suse.de>
6758
6759         PR tree-optimization/79977
6760         * graphite-scop-detection.c (scop_detection::merge_sese):
6761         Handle the case of extra exits to blocks dominating the entry.
6762
6763 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
6764
6765         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
6766         Document rdynamic.
6767
6768 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
6769
6770         PR rtl-optimization/79949
6771         * lra-constraints.c (process_alt_operands): Check memory when
6772         trying to predict a cycle.  Print about the overall increase.
6773
6774 2017-03-09  Richard Biener  <rguenther@suse.de>
6775
6776         PR middle-end/79971
6777         * gimple-expr.c (useless_type_conversion_p): Preserve
6778         TYPE_SATURATING for fixed-point types.
6779
6780 2017-03-09  Richard Biener  <rguenther@suse.de>
6781
6782         PR ipa/79970
6783         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
6784         alignment of BLKmode params.
6785
6786 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6787
6788         PR target/79913
6789         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
6790         (VALL_NO_V2Q): Likewise.
6791         (VDQF_DF): Delete.
6792         * config/aarch64/aarch64-simd.md
6793         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
6794         iterator.
6795         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
6796         VALL_NO_V2Q mode iterator.
6797         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
6798
6799 2017-03-09  Martin Liska  <mliska@suse.cz>
6800
6801         PR tree-optimization/79631
6802         * tree-chkp-opt.c (chkp_is_constant_addr): Call
6803         tree_int_cst_sign_bit just for INTEGER constants.
6804
6805 2017-03-09  Martin Liska  <mliska@suse.cz>
6806
6807         PR target/65705
6808         PR target/69804
6809         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
6810         sanitizers.
6811
6812 2017-03-09  Marek Polacek  <polacek@redhat.com>
6813
6814         PR c++/79672
6815         * tree.c (inchash::add_expr): Handle TREE_VEC.
6816
6817 2017-03-09  Martin Liska  <mliska@suse.cz>
6818
6819         PR ipa/79764
6820         (chkp_narrow_size_and_offset): New function.
6821         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
6822         (void chkp_parse_bit_field_ref): New function.
6823         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
6824         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
6825
6826 2017-03-09  Martin Liska  <mliska@suse.cz>
6827
6828         PR ipa/79761
6829         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
6830         (chkp_find_bounds_1): Remove gcc_unreachable.
6831
6832 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
6833
6834         PR sanitizer/79944
6835         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
6836         BUILT_IN_SYNC*, determine the access type from the size suffix and
6837         always build a MEM_REF with that type.  Handle forgotten
6838         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
6839
6840         PR target/79932
6841         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
6842         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
6843         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
6844         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
6845         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
6846         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
6847         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
6848         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
6849         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
6850         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
6851         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
6852         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
6853         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
6854         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
6855         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
6856         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
6857         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
6858         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
6859         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
6860         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
6861         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
6862         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
6863         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
6864         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
6865         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
6866         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
6867         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
6868         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
6869         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
6870         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
6871         definitions outside of __OPTIMIZE__ guarded section.
6872
6873         PR target/79932
6874         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
6875         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
6876         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
6877         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
6878         guarded section.
6879
6880 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6881
6882         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
6883         ("vfenez<mode>"): Add missing constraints.
6884
6885 2017-03-08  Martin Sebor  <msebor@redhat.com>
6886
6887         PR target/79928
6888         * config/nds32/nds32.c (nds32_option_override):
6889         Fix misspelled diagnostic.
6890
6891 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
6892
6893         PR c/79940
6894         * gimplify.c (gimplify_omp_for): Replace index var in outer
6895         taskloop statement with an artificial variable and add
6896         OMP_CLAUSE_PRIVATE clause for it.
6897
6898 2017-03-08  Richard Biener  <rguenther@suse.de>
6899
6900         PR tree-optimization/79955
6901         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
6902         for accesses that are completely outside of the variable.
6903
6904 2017-03-08  Andrew Haley  <aph@redhat.com>
6905
6906         PR tree-optimization/79943
6907         * tree-ssa-loop-split.c (compute_new_first_bound): When
6908         calculating the new upper bound, (END-BEG) should be added, not
6909         subtracted.
6910
6911 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
6912
6913         * config/avr/avr.md (setmemhi): Make sure match_dup
6914         operand number comes before match_scratch.
6915
6916 2017-03-08  Richard Biener  <rguenther@suse.de>
6917
6918         PR tree-optimization/79920
6919         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
6920         with ncopies == 1 to ...
6921         (vect_transform_slp_perm_load): ... here.  Properly compute
6922         all element loads by iterating VF times over the group.  Do
6923         not handle ncopies (computed in a broken way) in
6924         vect_create_mask_and_perm.
6925
6926 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
6927
6928         PR sanitizer/79904
6929         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
6930         is a uniform vector, use uniform_vector_p return value instead of
6931         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
6932
6933 2017-03-07  Marek Polacek  <polacek@redhat.com>
6934
6935         PR middle-end/79809
6936         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
6937         (alloca_call_type): Likewise.
6938
6939 2017-03-07  Martin Liska  <mliska@suse.cz>
6940
6941         * gcov.c (process_args): Put comment to correct location.
6942
6943 2017-03-07  Martin Liska  <mliska@suse.cz>
6944
6945         PR middle-end/68270
6946         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
6947         Use array_at_struct_end_p instead of DECL_CHAIN (field).
6948         (chkp_narrow_bounds_for_field): Likewise.
6949         (chkp_parse_array_and_component_ref): Pass one more argument to
6950         call.
6951
6952 2017-03-07  Richard Biener  <rguenther@suse.de>
6953
6954         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
6955         preheaders.
6956
6957 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
6958
6959         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
6960         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
6961
6962 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6963
6964         PR c/79855
6965         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
6966         to end of description.
6967         (PARAM_MAX_STORES_TO_MERGE): Likewise.
6968
6969 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
6970
6971         PR rtl-optimization/79901
6972         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
6973         ...
6974         (*avx512f_<code><mode>3<mask_name>): ... this.
6975         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
6976         iterator instead of VI8_AVX2_AVX512BW.
6977
6978         PR rtl-optimization/79901
6979         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
6980         min/max expander, expand it using expand_vec_cond_expr.
6981
6982         PR sanitizer/79897
6983         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
6984         temporary.
6985
6986 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
6987
6988         PR c++/79821
6989         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
6990         to void * for PCH reasons.
6991         * dwarf2out.c (output_loc_operands, output_die): Cast
6992         v.val_vec.array to unsigned char *.
6993
6994 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
6995
6996         PR target/77850
6997         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
6998         vector types.
6999
7000 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
7001
7002         PR rtl-optimization/79571
7003         * lra-constraints.c (process_alt_operands): Calculate static
7004         reject and subtract it from overall when only addresses will be
7005         reloaded.
7006
7007 2017-03-06  Julia Koval  <julia.koval@intel.com>
7008
7009         PR target/79793
7010         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
7011         incoming stack boundary to 128 for 64-bit targets.
7012
7013 2017-03-06  Richard Biener  <rguenther@suse.de>
7014
7015         PR tree-optimization/79894
7016         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
7017         to NULL after folding it.
7018
7019 2017-03-06  Richard Biener  <rguenther@suse.de>
7020
7021         PR tree-optimization/79824
7022         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
7023         check disabling peeling for gaps.
7024
7025 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
7026
7027         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
7028         attributes): Document gettimeofday.
7029
7030 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
7031
7032         * config/s390/s390.c (s390_option_override_internal): Set
7033         PARAM_MIN_VECT_LOOP_BOUND
7034
7035 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
7036
7037         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
7038         * config/s390/s390.md: Likewise.
7039
7040 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
7041
7042         PR target/79812
7043         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
7044         (<avx2_avx512>_perm<mode>): Rename to ...
7045         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
7046         of VI8F_256_512.
7047         (<avx512>_perm<mode>_mask): Rename to ...
7048         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
7049         of VI8F_256_512.
7050         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
7051         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
7052         instead of VI8F_256_512.
7053         (avx512f_perm<mode>): New define_expand.
7054         (avx512f_perm<mode>_mask): Likewise.
7055         (avx512f_perm<mode>_1<mask_name>): New define_insn.
7056         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
7057
7058 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
7059
7060         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
7061         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
7062         if_then_else.
7063         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
7064
7065 2017-03-06  Martin Liska  <mliska@suse.cz>
7066
7067         PR sanitize/79783
7068         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
7069         when having a SSA NAME w/o VAR_DECL assigned to it.
7070
7071 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
7072
7073         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
7074         msa_dpsub_<su>_d): Fix MODE for vec_select.
7075
7076 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
7077
7078         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
7079         argument.
7080         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
7081
7082 2017-03-06  Richard Biener  <rguenther@suse.de>
7083
7084         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
7085         * plugin.c (register_plugin_info): Likewise.
7086         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
7087
7088 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
7089
7090         * config/i386/sse.md (sse_storehps, sse_storelps,
7091         avx_<castmode><avxsizesuffix>_<castmode>,
7092         avx512f_<castmode><avxsizesuffix>_<castmode>,
7093         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
7094         in condition that at least one operand is not a MEM.
7095
7096 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
7097
7098         PR middle-end/79805
7099         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
7100         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
7101         ECF_NOTHROW.
7102         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
7103         gimple_call_nothrow_p flag based on whether original builtin can throw.
7104         If it can, emit following stmts on the fallthrough edge.
7105         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
7106         don't create new bb if inserting just debug stmts on the edge, try to
7107         insert them on the fallthru bb or just reset debug stmts.
7108
7109 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
7110
7111         PR target/43763
7112         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
7113         restore recog_data (including the operand rtxes inside it) around
7114         the call to get_insn_template.
7115
7116 2017-03-03  Martin Sebor  <msebor@redhat.com>
7117
7118         PR tree-optimization/79699
7119         * context.c (context::~context): Free MPFR caches to avoid
7120         a memory leak on program exit.
7121
7122 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7123
7124         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
7125         Use wide_int::ulow () instead of .elt (0).
7126
7127 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
7128
7129         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
7130         (*pushxf): Limit oF constraint to 32bit targets and add oC
7131         constraint for 64bit targets.
7132         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
7133         (*pushdf): Change rmF constraint to rmC.
7134
7135 2017-03-03  Martin Liska  <mliska@suse.cz>
7136
7137         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
7138         Remove unused variable.
7139
7140 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
7141
7142         PR target/79807
7143         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
7144         is a memory operand, increase num_memory.
7145         (ix86_expand_args_builtin): Likewise.
7146
7147 2017-03-03  Jan Hubicka  <jh@suse.cz>
7148
7149         PR lto/79760
7150         * ipa-devirt.c (maybe_record_node): Properly handle
7151         __cxa_pure_virtual visibility.
7152
7153 2017-03-03  Martin Liska  <mliska@suse.cz>
7154
7155         PR tree-optimization/79803
7156         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
7157         assert.
7158         (pass_loop_prefetch::execute): Disabled optimization if an
7159         assumption about L1 cache size is not met.
7160
7161 2017-03-03  Martin Liska  <mliska@suse.cz>
7162
7163         PR rtl-optimization/79574
7164         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
7165         (hash_scan_set): Likewise.
7166         (dump_hash_table): Likewise.
7167         (hoist_code): Likewise.
7168
7169 2017-03-03  Richard Biener  <rguenther@suse.de>
7170
7171         * fixed-value.c (fixed_from_string): Restore use of elt (1)
7172         in place of uhigh ().
7173         (fixed_convert_from_real): Likewise.
7174
7175 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
7176
7177         PR target/79514
7178         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
7179
7180 2017-03-03  Richard Biener  <rguenther@suse.de>
7181
7182         PR middle-end/79818
7183         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
7184         TYPE_OVERFLOW_UNDEFINED check.
7185
7186 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7187
7188         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
7189         numbers.
7190         (vector_ae_<mode>_p): Likewise.
7191         (vector_nez_<mode>_p): Likewise.
7192         (vector_ne_v2di_p): Likewise.
7193         (vector_ae_v2di_p): Likewise.
7194         (vector_ne_<mode>_p): Likewise.
7195         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
7196         numbers.
7197         (vsx_tsqrt<mode>2_fe): Likewise.
7198
7199 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
7200
7201         PR target/79514
7202         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
7203
7204 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
7205
7206         PR rtl-optimization/79780
7207         * cprop.c (one_cprop_pass): When second and further conditional trap
7208         in a single basic block is turned into an unconditional trap, turn it
7209         into a deleted note to avoid RTL verification failures.
7210
7211 2017-03-02  Richard Biener  <rguenther@suse.de>
7212
7213         * fold-const.c (const_binop): Use ulow () instead of elt (0).
7214
7215 2017-03-02  Richard Biener  <rguenther@suse.de>
7216
7217         PR tree-optimization/79345
7218         PR c++/42000
7219         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
7220         param and abort the walk, returning -1 if it is hit.
7221         (walk_aliased_vdefs): Take a limit param and pass it on.
7222         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
7223         defaulting to 0 and return a signed int.
7224         * tree-ssa-uninit.c (struct check_defs_data): New struct.
7225         (check_defs): New helper.
7226         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
7227         about uninitialized memory.
7228         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
7229         bogus uninitialized warning.
7230         (fixed_convert_from_real): Likewise.
7231
7232 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
7233
7234         PR tree-optimization/66768
7235         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
7236         iv_use if base object can't be determined.
7237
7238 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
7239
7240         PR tree-optimization/79345
7241         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
7242         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
7243         (get_pattern_stats): Initialize it.
7244         * genemit.c (gen_expand): Verify match_scratch numbers come after
7245         match_operand/match_dup numbers.
7246         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
7247         match_scratch numbers.
7248         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
7249         Likewise.
7250         * config/s390/s390.md (trunctdsd2): Likewise.
7251
7252 2017-03-02  Richard Biener  <rguenther@suse.de>
7253
7254         * wide-int.h (wide_int_storage::operator=): Implement in terms
7255         of wi::copy.
7256
7257 2017-03-02  Richard Biener  <rguenther@suse.de>
7258
7259         PR tree-optimization/79777
7260         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
7261         the to insert expression to sth existing.
7262
7263 2017-03-01  Martin Sebor  <msebor@redhat.com>
7264
7265         PR middle-end/79692
7266         * gimple-ssa-sprintf.c
7267         (directive::known_width_and_precision): New function.
7268         (format_integer): Use it.
7269         (get_mpfr_format_length): Consider the full range of precision
7270         when computing %g output with the # flag.  Set the likely byte
7271         count to 3 rather than 1 when precision is indeterminate.
7272         (format_floating): Correct the lower bound of precision.
7273
7274 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7275
7276         * doc/invoke.texi: Document default code model for 64-bit Linux.
7277
7278 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7279
7280         PR target/79752
7281         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
7282         udiv rather than div since input pattern is unsigned.
7283
7284 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
7285
7286         * config/i386/i386.c (print_reg): Warn for values of
7287         unsupported size in integer register.
7288
7289 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
7290
7291         PR target/79439
7292         * config/rs6000/predicates.md (current_file_function_operand): Do
7293         not allow self calls to be local if the function is replaceable.
7294
7295 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7296
7297         PR target/79395
7298         * config/rs6000/altivec.h (vec_ctz and others): Change the
7299         preprocessor macro that controls conditional compilation from
7300         _ARCH_PWR9 to __POWER9_VECTOR__.
7301         (vec_all_ne): Change parameterization of __altivec_scalar_pred
7302         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
7303         control (instead of _ARCH_PWR9 control) so that template
7304         definition uses power9-specific function.
7305         (vec_any_eq): Likewise.
7306         (vec_all_ne): Change macro definition to use a power9-specific
7307         expansion under #ifdef __POWER9_VECTOR__ control (instead of
7308         _ARCH_PWR9 control).
7309         (vec_any_eq) Likewise.
7310         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
7311         expansion for CMPNEF to remove support for xvcmpnesp instruction.
7312         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
7313         support for xvcmpnedp instruction.
7314         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
7315         macro expansion so that Power9 implementation of vec_all_ne does
7316         not use the AltiVec predicate framework.
7317         (VCMPNEH_P): Likewise.
7318         (VCMPNEW_P): Likewise.
7319         (VCMPNED_P): Likewise.
7320         (VCMPNEFP_P): Likewise.
7321         (VCMPNEDP_P): Likewise.
7322         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
7323         implementation of vec_any_eq to not use AltiVec predicate
7324         framework.
7325         (VCMPAEH_P): Likewise.
7326         (VCMPAEW_P): Likewise.
7327         (VCMPAED_P): Likewise.
7328         (VCMPAEFP_P): Likewise.
7329         (VCMPAEDP_P): Likewise.
7330         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
7331         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
7332         not use the AltiVec predicate framework.
7333         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
7334         of vec_any_eq to not use AltiVec predicate framework.
7335         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
7336         support for predefined __POWER9_VECTOR__ macro to indicate that
7337         Power9 instruction selection is enabled.
7338         (altivec_overloaded_builtins): Remove extraneous
7339         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
7340         function argument types RS6000_BTI_bool_V16QI and
7341         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
7342         entry for overloaded function argument types RS6000_BTI_bool_V4SI
7343         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
7344         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
7345         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
7346         Power9 for implementations of vec_cmpne.  Change the signature for
7347         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
7348         (representing vec_all_ne) to remove the previously described first
7349         argument of type RS6000_BTI_INTSI, as this was an artifact of
7350         reliance on the AltiVec predicate framework, which is no longer
7351         used in the implementation of these functions.  Add
7352         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
7353         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
7354         since, unlike the AltiVec predicate framework implementation, we
7355         do not share function descriptors between vec_alle and vec_anyeq.
7356         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
7357         set of modes that receive special treatment even when
7358         TARGET_P9_VECTOR is true.  The special treatment emits code that
7359         does not depend on Power9 instructions.
7360         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
7361         define_expand to not rely on AltiVec predicate framework.
7362         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
7363         function.
7364         (vector_ne_v2di_p): Change this define_expand to not rely on
7365         AltiVec predicate framework.
7366         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
7367         function.
7368         (vector_ne_<mode>_p): Change this define_expand to not rely on
7369         AltiVec predicate framework.
7370         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
7371         function.
7372         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
7373         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
7374         define_insn pattern.
7375         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
7376         define_insn pattern because the xvcmpne<VSs>. instruction is not
7377         supported.
7378         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
7379         instruction is not supported.
7380
7381 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
7382
7383         * config/nvptx/nvptx.c: Include intl.h.
7384
7385 2017-03-01  Martin Jambor  <mjambor@suse.cz>
7386
7387         PR lto/78140
7388         * ipa-prop.h (ipa_bits): Removed field known.
7389         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
7390         to pointers.  Adjusted their comments to warn about their sharing.
7391         (ipcp_transformation_summary): Change bits to a vector of pointers.
7392         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
7393         (ipa_get_ipa_bits_for_value): Declare.
7394         * tree-vrp.h (value_range): Mark as GTY((for_user)).
7395         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
7396         (ipa_bits_hash_table): Likewise.
7397         (ipa_vr_ggc_hash_traits): Likewise.
7398         (ipa_vr_hash_table): Likewise.
7399         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
7400         being pointers and vr_known being removed.
7401         (ipa_set_jf_unknown): Likewise.
7402         (ipa_get_ipa_bits_for_value): New function.
7403         (ipa_set_jfunc_bits): Likewise.
7404         (ipa_get_value_range): New overloaded functions.
7405         (ipa_set_jfunc_vr): Likewise.
7406         (ipa_compute_jump_functions_for_edge): Use the above functions to
7407         construct bits and vr parts of jump functions.
7408         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
7409         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
7410         exist.
7411         (ipcp_grow_transformations_if_necessary): Also allocate
7412         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
7413         exist.
7414         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
7415         them.  Fix too long lines.
7416         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
7417         vr_known being removed.
7418         (ipa_read_jump_function): Use new setter functions to construct bits
7419         and vr parts of jump functions or set them to NULL.
7420         (write_ipcp_transformation_info): Adjust for bits being pointers.
7421         (read_ipcp_transformation_info): Likewise.
7422         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
7423         space.
7424         Include gt-ipa-prop.h.
7425         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
7426         being pointers.
7427         (ipcp_store_bits_results): Likewise.
7428         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
7429         Do not write to existing jump functions but use a temporary instead.
7430
7431 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
7432
7433         PR c++/79681
7434         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
7435         attempt to use its first operand as BIT_FIELD_REF base.
7436
7437 2017-03-01  Richard Biener  <rguenther@suse.de>
7438
7439         PR middle-end/79721
7440         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
7441         interpolating formula in wrapping arithmetic.
7442         (chrec_apply): Convert chrec_evaluate return value to wanted type.
7443
7444 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
7445
7446         PR tree-optimization/79734
7447         * tree-vect-generic.c (expand_vector_condition): Optimize
7448         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
7449         Handle VEC_COND_EXPR where comparison has different inner width from
7450         type's inner width.
7451
7452 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
7453
7454         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
7455         markup, and similar issues.  Remove @opindex entries for things
7456         that aren't options.  Add missing -mmpy-option entries.
7457
7458 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
7459
7460         PR tree-optimization/79737
7461         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
7462         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
7463         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
7464         instead of byte_size.  Formatting fix.
7465         (shift_bytes_in_array_right): Formatting fix.
7466
7467 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7468
7469         PR target/79749
7470         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
7471         condition on optimize for the leaf function test.
7472
7473 2017-02-28  Martin Liska  <mliska@suse.cz>
7474
7475         PR lto/79625
7476         * read-rtl-function.c (function_reader::handle_unknown_directive):
7477         Bail out when one uses -flto.
7478
7479 2017-02-28  Martin Liska  <mliska@suse.cz>
7480
7481         * common.opt: Replace space with tabular for options of <number>
7482         type.
7483         * config/i386/i386.opt: Show <number> value for
7484         -mlarge-data-threshold.
7485         * opts.c (print_filtered_help): Do not display number in hexadecimal
7486         format.
7487
7488 2017-02-28  Martin Liska  <mliska@suse.cz>
7489
7490         * common.opt: Fix --help=option -Q for options which are of
7491         an enum type.
7492
7493 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
7494
7495         * config/i386/i386.c (print_reg): Error out for values
7496         of 8-bit size in invalid integer register.
7497
7498 2017-02-28  Martin Sebor  <msebor@redhat.com>
7499
7500         PR tree-optimization/79691
7501         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
7502
7503 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
7504
7505         PR target/79729
7506         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
7507         gcc_unreachable with output_operand_lossage.
7508
7509 2017-02-28  Richard Biener  <rguenther@suse.de>
7510
7511         PR tree-optimization/79740
7512         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
7513         inserts.
7514         (visit_nary_op): Insert the nary into the hashtable if we
7515         pattern-matched sth.
7516         * tree-ssa-pre.c (eliminate_insert): Robustify.
7517
7518 2017-02-28  Richard Biener  <rguenther@suse.de>
7519
7520         PR middle-end/79731
7521         * fold-const.c (decode_field_reference): Reject out-of-bound
7522         accesses.
7523
7524 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
7525
7526         * config/i386/i386.c: Include intl.h.
7527         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
7528         instead of just cond ? "..." : "...".
7529         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
7530         * coverage.c (read_counts_file): Likewise.
7531         * omp-offload.c: Include intl.h.
7532         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
7533         of just cond ? "..." : "...".
7534         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
7535         of just cond ? "..." : "...".
7536
7537 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
7538
7539         PR target/79742
7540         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
7541         entry, if present.
7542         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
7543         'tune for' CPU name.
7544         * config/arm/arm-cpu-data.h: Regenerated.
7545
7546 2017-02-28  Richard Biener  <rguenther@suse.de>
7547
7548         PR tree-optimization/79732
7549         * tree-inline.c (expand_call_inline): Do not shadow var.
7550
7551 2017-02-28  Richard Biener  <rguenther@suse.de>
7552
7553         PR tree-optimization/79723
7554         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
7555         address-space properly.
7556
7557 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
7558
7559         * doc/optinfo.texi (Optimization groups): Fix option used for
7560         OPTGROUP_ALL.
7561         * doc/invoke.texi (-fopt-info): Document "omp".
7562         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
7563         (OPTGROUP_ALL): Add OPTGROUP_OMP.
7564         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
7565         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
7566         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
7567
7568         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
7569         all users.
7570         * dumpfile.c (optgroup_options): Instead of "openmp", associate
7571         OPTGROUP_OMP with "omp".
7572
7573 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
7574
7575         PR target/79544
7576         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
7577         for arithmetic shift of unsigned V2DI.
7578
7579 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
7580
7581         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
7582         arc/linux.h headers.
7583         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
7584         (LINK_SPEC): Likewise.
7585         (ARC_TLS_EXTRA_START_SPEC): Likewise.
7586         (EXTRA_SPECS): Likewise.
7587         (STARTFILE_SPEC): Likewise.
7588         (ENDFILE_SPEC): Likewise.
7589         (LIB_SPEC): Likewise.
7590         (TARGET_SDATA_DEFAULT): Likewise.
7591         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
7592         (MULTILIB_DEFAULTS): Likewise.
7593         (DWARF2_UNWIND_INFO): Likewise.
7594         * config/arc/big.h: New file.
7595         * config/arc/elf.h: Likewise.
7596         * config/arc/linux.h: Likewise.
7597         * config/arc/t-uClibc: Remove.
7598
7599 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
7600
7601         PR tree-optimization/77536
7602         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
7603         (tree_transform_and_unroll_loop): Use above function to compute the
7604         estimated niter of unrolled loop and use it when scaling profile.
7605         Also use count info rather than frequency if it's non-zero.
7606         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
7607         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
7608         (vect_transform_loop): Call above function.
7609
7610 2017-02-27  Richard Biener  <rguenther@suse.de>
7611
7612         PR tree-optimization/45397
7613         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
7614         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
7615         (visit_nary_op): Add pattern matching for CSEing sign-changed
7616         or truncated operations with wider ones.
7617
7618 2017-02-27  Richard Biener  <rguenther@suse.de>
7619
7620         PR tree-optimization/79690
7621         * tree-vect-stmts.c (vectorizable_store): Use vector type
7622         built from the DR with address-space.
7623
7624 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
7625
7626         * doc/invoke.texi (Optimize Options): Refine the description
7627         of asan-use-after-return.
7628
7629 2017-02-25  Alan Modra  <amodra@gmail.com>
7630
7631         PR rtl-optimization/79584
7632         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
7633         base, not ad->base_term, the reg within base.  Remove assertion
7634         that ad->base == ad->base_term.  Replace gen_int_mode using
7635         bogus mode with const0_rtx.
7636
7637 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
7638
7639         PR middle-end/79396
7640         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
7641         FMA_EXPR like tcc_binary or tcc_unary.
7642
7643         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
7644
7645         PR debug/77589
7646         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
7647         bitfield.
7648         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
7649         (output_loc_operands): Handle DW_OP_call_ref and
7650         DW_OP_GNU_variable_value.
7651         (struct variable_value_struct): New type.
7652         (struct variable_value_hasher): Likewise.
7653         (variable_value_hash): New variable.
7654         (string_types): Remove.
7655         (copy_loc_descr): New function.
7656         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
7657         (prepend_loc_descr_to_each): New function.
7658         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
7659         instead of add_loc_descr_to_each if the first argument is single
7660         location list and the second has multiple.
7661         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
7662         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
7663         when looking for variable value which doesn't have other location info.
7664         (loc_list_from_tree): Formatting fix.
7665         (gen_array_type_die): Simplify DW_AT_string_length handling.
7666         (adjust_string_types): Remove.
7667         (gen_subprogram_die): Don't call adjust_string_types nor test/set
7668         string_types.  Call resolve_variable_values.
7669         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
7670         (resolve_addr_in_expr): Likewise.  Add A argument.
7671         (copy_deref_exprloc): Remove deref argument.  Adjust for the
7672         original expression being DW_OP_GNU_variable_value with optionally
7673         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
7674         optionally after it.
7675         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
7676         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
7677         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
7678         (variable_value_hasher::hash, variable_value_hasher::equal): New
7679         methods.
7680         (resolve_variable_value_in_expr, resolve_variable_value,
7681         resolve_variable_values, note_variable_value_in_expr,
7682         note_variable_value): New functions.
7683         (dwarf2out_early_finish): Call note_variable_value on all toplevel
7684         DIEs.
7685
7686 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
7687
7688         PR c/79677
7689         * opts.h (handle_generated_option): Add GENERATED_P argument.
7690         * opts-common.c (handle_option): Adjust function comment.
7691         (handle_generated_option): Add GENERATED_P argument, pass it to
7692         handle_option.
7693         (control_warning_option): Pass false to handle_generated_option
7694         GENERATED_P.
7695         * opts.c (maybe_default_option): Pass true to handle_generated_option
7696         GENERATED_P.
7697         * optc-gen.awk: Likewise.
7698
7699 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
7700
7701         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
7702         a REG, look at the REG it is a SUBREG of.
7703         (splitter for cmpeqsi_t): Ditto.
7704
7705 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
7706
7707         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
7708         the special USEs with the pattern of the insn, not the insn itself.
7709
7710 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
7711
7712         PR target/79473
7713         * doc/invoke.texi: Document -mload-store-pairs.
7714
7715 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
7716             Sandra Loosemore  <sandra@codesourcery.com>
7717
7718         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
7719         argument isn't a CONST_INT.
7720         (nios2_alternate_compare_const): Assert op is a CONST_INT.
7721         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
7722         (nios2_validate_compare): Bypass alternate compare logic if *op2
7723         is not a CONST_INT.
7724         (ldstwm_operation_p): Return false if first_base is not a REG or
7725         if first_offset is not a CONST_INT.
7726
7727 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
7728
7729         * config/cris/cris.md: Use correct operand in a define_peephole2.
7730
7731 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
7732
7733         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
7734
7735 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
7736
7737         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
7738         this_insn if it is an INSN or JUMP_INSN.
7739         (force_offsettable): Look at base, not at addr.
7740         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
7741         on things that aren't necessarily CONST_INTs.
7742
7743 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
7744
7745         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
7746         -mfpmath=sse is the default also for x86-32 targets with SSE2
7747         instruction set when @option{-ffast-math} is enabled
7748
7749 2017-02-24  Jeff Law  <law@redhat.com>
7750
7751         PR rtl-optimizatoin/79286
7752         * ira.c (update_equiv_regs): Drop may_trap_p exception to
7753         dominance test.
7754
7755 2017-02-24  Richard Biener  <rguenther@suse.de>
7756
7757         PR tree-optimization/79389
7758         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
7759         debug insns.
7760
7761 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
7762
7763         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
7764         function comment to reflect reality.
7765         (loop_exits_before_overflow): Fix typo in function description.
7766
7767 2017-02-24  Richard Biener  <rguenther@suse.de>
7768
7769         PR tree-optimization/79389
7770         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
7771         properly that a threading opportunity exists.  Detect conditional
7772         copy/constant propagation opportunities.
7773
7774 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
7775
7776         * config/visium/visium.md (type): Add trap.
7777         (b): New mode attribute.
7778         (*btst): Rename into...
7779         (*btst<mode>): ...this and adjust.
7780         (*cbranchsi4_btst_insn): Rename into...
7781         (*cbranch<mode>4_btst_insn): ...this and adjust.
7782         (trap): New define_insn.
7783
7784 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
7785
7786         PR tree-optimization/79389
7787         * ifcvt.c (struct noce_if_info): Add rev_cond field.
7788         (noce_reversed_cond_code): New function.
7789         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
7790         reversed_comparison_code.  Formatting fix.
7791         (noce_try_store_flag): Test rev_cond != NULL in addition to
7792         reversed_comparison_code.
7793         (noce_try_store_flag_constants): Likewise.
7794         (noce_try_store_flag_mask): Likewise.
7795         (noce_try_addcc): Use rev_cond if non-NULL instead of
7796         reversed_comparison_code.
7797         (noce_try_cmove_arith): Likewise.  Formatting fixes.
7798         (noce_try_minmax, noce_try_abs): Clear rev_cond.
7799         (noce_find_if_block): Initialize rev_cond.
7800         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
7801         instead of false as last argument never attempt to reverse it
7802         afterwards.
7803
7804 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
7805
7806         PR tree-optimization/79663
7807         * tree-predcom.c (combine_chains): Process refs in reverse order
7808         only for ZERO length chains, and add explaining comment.
7809
7810 2017-02-23  Jeff Law  <law@redhat.com>
7811
7812         PR tree-optimization/79578
7813         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
7814         in call to operand_equal_p.
7815
7816 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
7817
7818         PR target/71017
7819         * config/i386/cpuid.h: Fix another undefined behavior.
7820
7821 2017-02-23  Richard Biener  <rguenther@suse.de>
7822
7823         PR tree-optimization/79683
7824         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
7825         vector types for data-refs.
7826
7827 2017-02-23  Martin Liska  <mliska@suse.cz>
7828
7829         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
7830
7831 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
7832
7833         PR middle-end/79665
7834         * internal-fn.c (get_range_pos_neg): Moved to ...
7835         * tree.c (get_range_pos_neg): ... here.  No longer static.
7836         * tree.h (get_range_pos_neg): New prototype.
7837         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
7838         are known to be in between 0 and signed maximum inclusive, try to
7839         expand both unsigned and signed divmod and use the cheaper one from
7840         those.
7841
7842 2017-02-22  Jeff Law  <law@redhat.com>
7843
7844         PR tree-optimization/79578
7845         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
7846         to compare base operands.
7847
7848 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
7849
7850         PR target/79211
7851         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
7852         gpc_reg_operand instead of fpr_reg_operand.
7853
7854 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
7855
7856         * config/mips/mips.c (mips_return_in_memory): Force FP
7857         vector types to be returned in memory for o32 ABI.
7858
7859 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
7860
7861         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
7862         instead of DW_TAG_member for static data member declarations and don't
7863         set no_linkage_name for static inline data members.
7864         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
7865         to DW_TAG_member.
7866
7867 2017-02-22  Martin Liska  <mliska@suse.cz>
7868
7869         * doc/invoke.texi: Replace inequality signs with square brackets
7870         for -Wnormalized.
7871
7872 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7873
7874         PR tree-optimization/68644
7875         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
7876
7877 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
7878
7879         PR target/78660
7880         * lra-constraints.c (simplify_operand_subreg): Handle
7881         WORD_REGISTER_OPERATIONS targets.
7882
7883 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
7884
7885         PR target/70465
7886         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
7887         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
7888         elimination by swapping fld*.
7889
7890 2017-02-22  Richard Biener  <rguenther@suse.de>
7891
7892         PR tree-optimization/79673
7893         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
7894         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
7895         irrelevant address-space qualifiers and avoiding a
7896         ADDR_SPACE_CONVERT_EXPR from fold_convert.
7897
7898 2017-02-22  Richard Biener  <rguenther@suse.de>
7899
7900         PR tree-optimization/79666
7901         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
7902         to not symbolically negate if that may introduce undefined
7903         overflow.
7904
7905 2017-02-22  Martin Liska  <mliska@suse.cz>
7906
7907         PR lto/79587
7908         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
7909         * data-streamer-out.c (streamer_write_gcov_count_stream):
7910         Likewise.
7911         * value-prof.c (stream_out_histogram_value): Make assert more
7912         precise based on type of counter.
7913
7914 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
7915
7916         PR target/79593
7917         * config/i386/i386.md (standard_x87sse_constant_load splitter):
7918         Use nonimmediate_operand instead of memory_operand for operand 1.
7919         (float-extend standard_x87sse_constant_load splitter): Ditto.
7920
7921 2017-02-21  Jeff Law  <law@redhat.com>
7922
7923         PR tree-optimization/79621
7924         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
7925         blocks with edges to themselves.
7926
7927 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
7928
7929         PR target/79633
7930         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
7931         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
7932         Use gimple_call_builtin_p.
7933
7934         PR target/79570
7935         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
7936         on temporarily removed DEBUG_INSNs.
7937
7938         PR tree-optimization/79649
7939         * tree-loop-distribution.c (classify_partition): Give up on
7940         non-generic address space loads/stores.
7941
7942 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
7943
7944         * doc/loop.texi (Loop manipulation): Remove nonexistent
7945         tree_ssa_loop_version from the documentation.
7946         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
7947
7948 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
7949
7950         PR target/79494
7951         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
7952         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
7953         * config/rs6000/rs6000.c: Include except.h.
7954         (rs6000_expand_split_stack_prologue): Call
7955         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
7956
7957 2017-02-21  Martin Jambor  <mjambor@suse.cz>
7958
7959         PR lto/79579
7960         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
7961         have been analyzed.
7962
7963 2017-02-21  Martin Jambor  <mjambor@suse.cz>
7964
7965         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
7966         for backward compatibility only.
7967         * doc/invoke.texi (Option Summary): Remove all references to
7968         -fipa-cp-alignment.
7969
7970 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
7971
7972         PR target/78660
7973         Revert:
7974         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
7975
7976         * lra-constraints.c (curr_insn_transform): Handle
7977         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
7978
7979 2017-02-21  Martin Liska  <mliska@suse.cz>
7980
7981         * config/i386/i386.opt: Replace -masm-dialect with -masm.
7982
7983 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
7984
7985         PR translation/79638
7986         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
7987
7988 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
7989
7990         PR ada/67205
7991         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
7992         (arm_function_ok_for_sibcall): Return false for an indirect call by
7993         descriptor if all the argument registers are used.
7994         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
7995         alignment of the function.
7996
7997 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
7998
7999         PR tree-optimization/61441
8000         * simplify-rtx.c (simplify_const_unary_operation): For
8001         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
8002         the sNaN unmodified.
8003
8004 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8005
8006         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
8007         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
8008         instead of SYSTEM_HEADER_DIR.
8009
8010 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
8011             Martin Liška  <mliska@suse.cz>
8012
8013         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
8014         Fix typos and grammar, use active voice, and clarify.
8015
8016 2017-02-20  Marek Polacek  <polacek@redhat.com>
8017
8018         PR middle-end/79537
8019         * gimplify.c (gimplify_expr): Handle unused *&&L;.
8020
8021         PR sanitizer/79558
8022         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
8023
8024 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
8025
8026         PR target/79568
8027         * config/i386/i386.c (ix86_expand_builtin): Handle
8028         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
8029         ix86_builtins_isa[fcode].isa as a requirement of those
8030         flags and any other flag in the bitmask.
8031         (ix86_init_mmx_sse_builtins): Use 0 instead of
8032         ~OPTION_MASK_ISA_64BIT as mask.
8033         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
8034         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
8035         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
8036         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
8037
8038 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
8039
8040         PR target/78012
8041         * lra-constraints.c (split_reg): Check requested split mode
8042         is supported by the register.
8043
8044 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
8045
8046         * lra-constraints.c (simplify_operand_subreg): Remove early
8047         return false.
8048
8049 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
8050
8051         PR target/78660
8052         * lra-constraints.c (curr_insn_transform): Tighten condition
8053         for converting SUBREG reloads from OP_OUT to OP_INOUT.
8054
8055 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
8056
8057         PR target/78660
8058         * lra-constraints.c (curr_insn_transform): Handle
8059         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
8060
8061 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
8062
8063         Revert:
8064         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
8065
8066         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
8067
8068 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
8069
8070         PR c++/69523
8071         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
8072         description.
8073
8074 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8075
8076         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
8077         for FMA_EXPR.
8078
8079 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
8080
8081         * final.c (last_columnnum, override_columnnum): New variables.
8082         (final_start_function): Set last_columnnum, pass it to begin_prologue
8083         hook and pass 0 to dwarf2out_begin_prologue.
8084         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
8085         to source_line debug hook.
8086         (notice_source_line): Compute last_columnnum and for debug_column_info
8087         return true on column changes.
8088         * debug.h (struct gcc_debug_hooks): Add column argument to
8089         source_line and begin_prologue hooks.
8090         (debug_nothing_int_charstar_int_bool): Remove prototype.
8091         (debug_nothing_int_int_charstar,
8092         debug_nothing_int_int_charstar_int_bool): New prototypes.
8093         (dwarf2out_begin_prologue): Add column argument.
8094         * debug.c (do_nothing_debug_hooks): Adjust source_line and
8095         begin_prologue hooks.
8096         (debug_nothing_int_charstar_int_bool): Remove.
8097         (debug_nothing_int_int_charstar,
8098         debug_nothing_int_int_charstar_int_bool): New functions.
8099         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
8100         through to dwarf2out_source_line.
8101         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
8102         (dwarf2out_source_line): Add column argument, emit it if requested.
8103         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
8104         arguments.
8105         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
8106         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
8107         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
8108         through to dwarf2out_begin_prologue.
8109         (vmsdbgout_source_line): Add column argument, pass it through to
8110         dwarf2out_source_line.
8111         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
8112         dbxout_source_line caller.
8113         (dbxout_source_line): Add column argument.
8114
8115         * common.opt (gno-column-info, gcolumn-info): New options.
8116         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
8117         (check_die): Also test for multiple DW_AT_decl_column attributes.
8118         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
8119         DW_AT_decl_column if requested.
8120         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
8121         if requested.
8122         (gen_variable_die): Likewise.
8123         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
8124         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
8125
8126         PR target/79569
8127         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
8128         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
8129         (ix86_handle_option): Handle OPT_m3dnowa.
8130         * doc/invoke.texi (-m3dnowa): Document.
8131         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
8132         -m3dnowa instead of -m3dnow -march=athlon.
8133
8134         PR target/79559
8135         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
8136         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
8137
8138 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8139
8140         PR target/79261
8141         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
8142         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
8143         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
8144         generator for vsx_xxpermdi_<mode>_be.
8145         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
8146         force big-endian semantics.
8147         (vsx_xxpermdi_<mode>_be): New define_expand with same
8148         implementation as previous version of vsx_xxpermdi_<mode>.
8149
8150 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
8151
8152         PR tree-optimization/79327
8153         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
8154         variable, its initialization and use.
8155
8156 2017-02-17  Julia Koval  <julia.koval@intel.com>
8157
8158         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
8159         (OPTION_MASK_ISA_PKU_UNSET): New.
8160         (ix86_handle_option): Handle -mrdpid.
8161         * config/i386/cpuid.h (bit_RDPID): New.
8162         * config/i386/driver-i386.c (host_detect_local_cpu):
8163         Detect RDPID feature.
8164         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
8165         * config/i386/i386-c.c (ix86_target_macros_internal):
8166         Handle RDPID flag.
8167         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
8168         (ix86_valid_target_attribute_inner_p): Add "rdpid".
8169         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
8170         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
8171         * config/i386/i386.md (define_insn "rdpid"): New.
8172         * config/i386/i386.opt Add -mrdpid.
8173         * config/i386/immintrin.h (_rdpid_u32): New.
8174
8175 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
8176
8177         PR rtl-optimization/79541
8178         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
8179         instead of transforming it into USE.
8180
8181 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
8182
8183         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
8184         If HONOR_SNANS (SFmode) force the input to a register.
8185         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
8186         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
8187         an frsp or similar insn.
8188
8189 2017-02-17  Martin Liska  <mliska@suse.cz>
8190
8191         PR rtl-optimization/79577
8192         * params.def (selsched-max-sched-times): Increase minimum to 1.
8193
8194 2017-02-17  Martin Liska  <mliska@suse.cz>
8195
8196         PR rtl-optimization/79574
8197         * gcse.c (want_to_gcse_p): Prevent integer overflow.
8198
8199 2017-02-17  Martin Liska  <mliska@suse.cz>
8200
8201         PR tree-optimization/79529
8202         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
8203         ssa_defined_default_def_p to handle cases which are implicitly
8204         defined.
8205         * tree-ssa.c (ssa_defined_default_def_p): New function.
8206         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
8207         which are implicitly defined.
8208         * tree-ssa.h (ssa_defined_default_def_p): Declare.
8209
8210 2017-02-17  Richard Biener  <rguenther@suse.de>
8211
8212         PR middle-end/79576
8213         * params.def (max-ssa-name-query-depth): Limit to 10.
8214
8215 2017-02-17  Richard Biener  <rguenther@suse.de>
8216
8217         PR tree-optimization/79552
8218         * tree-ssa-structalias.c (visit_loadstore): Properly verify
8219         default defs.
8220
8221 2017-02-17  Richard Biener  <rguenther@suse.de>
8222
8223         PR bootstrap/79567
8224         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
8225
8226 2017-02-17  Marek Polacek  <polacek@redhat.com>
8227
8228         PR middle-end/79536
8229         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
8230         (fold_negate_expr): New wrapper.
8231
8232 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
8233
8234         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
8235         Correct terminology and de-emphasize pre-standard behavior.
8236
8237 2017-02-16  Alan Modra  <amodra@gmail.com>
8238
8239         PR rtl-optimization/79286
8240         * ira.c (def_dominates_uses): New function.
8241         (update_equiv_regs): Don't create an equivalence for insns that
8242         may trap where the register def does not dominate the use.
8243
8244 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
8245
8246         PR rtl-optimization/78127
8247         * lra.c (lra): Call lra_eliminate before finish the loop after
8248         lra_constraint.
8249
8250 2017-02-16  Richard Biener  <rguenther@suse.de>
8251
8252         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
8253         isl/isl_val.h.
8254         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
8255         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
8256         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
8257         (isl_val_int_from_wi): New function.
8258         (extract_affine_gmp): Rename to ...
8259         (extract_affine_wi): ... this, take a widest_int.
8260         (extract_affine_int): Just wrap extract_affine_wi.
8261         (add_param_constraints): Use isl_val_int_from_wi.
8262         (add_loop_constraints): Likewise, and extract_affine_wi.
8263
8264 2017-02-15  Jeff Law  <law@redhat.com>
8265
8266         PR middle-end/79521
8267         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
8268         ira_init_register_move_cost_if_necessary.
8269
8270 2017-02-15  Martin Sebor  <msebor@redhat.com>
8271
8272         PR middle-end/32003
8273         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
8274         removed in a prior commit.
8275
8276 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
8277
8278         PR tree-optimization/79347
8279         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
8280         counters during peeling.
8281
8282 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
8283
8284         * Makefile.in (site.exp): Remove "set ISLVER".
8285
8286 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
8287
8288         PR target/79487
8289         * real.c (real_from_integer): Call real_convert even for decimal.
8290
8291 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8292
8293         PR target/79421
8294         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
8295
8296 2017-02-14  Andrew Pinski  <apinski@cavium.com>
8297
8298         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
8299         cores and change the partno/implementer to be correct.
8300         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
8301         the 'B" as the implementer.
8302         * config/aarch64/aarch64-tune.md: Regenerate.
8303
8304 2017-02-14  Carl Love  <cel@us.ibm.com>
8305
8306         * config/rs6000/rs6000.c: Add case statement entry to make the
8307         xvcvuxdsp built-in argument unsigned.
8308         * config/rs6000/vsx.md: Fix the source and return operand types so they
8309         match the instruction definitions from the ISA document.  Fix typo
8310         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
8311         statement.
8312
8313 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
8314
8315         PR target/79282
8316         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
8317         member early_clobber_alts.
8318         * lra-lives.c (reg_early_clobber_p): New.
8319         (process_bb_lives): Use it.
8320         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
8321         (debug_operand_data): Initialize early_clobber_alts.
8322         (setup_operand_alternative): Set up early_clobber_alts.
8323         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
8324         alternatives to new_insn_reg.
8325         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
8326         it.
8327         (lra_update_insn_regno_info): Pass the new arg.
8328
8329 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
8330
8331         PR middle-end/79505
8332         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
8333         (new_oacc_loop_raw): Don't clear already cleared fields.
8334
8335         PR target/79481
8336         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
8337         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
8338         _mm512_prefetch_i64gather_ps): New inline functions and macros.
8339
8340 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
8341
8342         PR target/79495
8343         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
8344
8345 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
8346
8347         PR target/79498
8348         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
8349         the extra instruction to the right place to store 128-bit constant
8350         when needed.
8351
8352 2017-02-14  Martin Sebor  <msebor@redhat.com>
8353
8354         PR middle-end/79448
8355         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
8356           warning for strings of unknown length.
8357
8358 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
8359
8360         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
8361
8362 2017-02-14  Jeff Law  <law@redhat.com>
8363
8364         PR target/79404
8365         * ira-costs.c (scan_one_insn): Initialize register move costs
8366         for pseudos seen in USE/CLOBBER insns.
8367
8368         PR tree-optimization/79095
8369         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
8370         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
8371         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
8372         if the operands are known to be not equal, then the resulting range
8373         is ~[0,0].
8374         (intersect_ranges): If the new range is ~[0,0] and the old range is
8375         wide, then prefer ~[0,0].
8376         * tree-vrp.c (overflow_comparison_p_1): New function.
8377         (overflow_comparison_p): New function.
8378         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
8379         if NAME is used in an overflow test.
8380         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
8381         overflow check that can be expressed as an equality test, then adjust
8382         ops to be that equality test.
8383
8384 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8385
8386         * config/s390/s390-builtin-types.def: Remove flags argument.
8387         * config/s390/s390.c (s390_init_builtins): Likewise.
8388
8389 2017-02-14  Martin Liska  <mliska@suse.cz>
8390
8391         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
8392         vector.  Fix trailing white spaces.
8393
8394 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
8395
8396         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
8397         HFmode.
8398
8399 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8400
8401         PR rtl-optimization/68664
8402         * config/arm/arm.c (arm_sched_can_speculate_insn):
8403         New function.  Declare prototype.
8404         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
8405
8406 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8407
8408         PR rtl-optimization/68664
8409         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
8410         New function.
8411         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
8412
8413 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
8414
8415         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
8416         max skip bytes for function, loop and jump.
8417
8418 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8419
8420         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
8421         ABS_EXPR for gimple dump.
8422
8423 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
8424
8425         PR target/79462
8426         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
8427
8428         PR tree-optimization/79408
8429         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
8430         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
8431         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
8432         also if rhs1 is INTEGER_CST.
8433
8434 2017-02-14  Richard Biener  <rguenther@suse.de>
8435
8436         PR middle-end/79432
8437         * tree-into-ssa.c (insert_phi_nodes): When the function can
8438         have abnormal edges rewrite SSA names with broken use-def
8439         dominance out of SSA and register them for PHI insertion.
8440
8441 2017-02-13  Martin Sebor  <msebor@redhat.com>
8442
8443         PR middle-end/79496
8444         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
8445         clearing info.nowrite flag when snprintf size argument is a range.
8446
8447 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
8448
8449         * cprop.c (cprop_jump): Add missing space in string literal.
8450         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
8451         (get_constraint_for_component_ref): Likewise.
8452         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
8453         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
8454         * lra-constraints.c (process_alt_operands): Likewise.
8455         * ipa-inline.c (inline_small_functions): Likewise.
8456         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
8457         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
8458         * trans-mem.c (diagnose_tm_1_op): Likewise.
8459         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
8460         (grid_parallel_clauses_gridifiable): Likewise.
8461
8462         * config/nvptx/mkoffload.c (process): Add space in between
8463         , and %d.
8464
8465         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
8466         "MOD4_SSE_REGS" and "ALL_REGS".
8467
8468         * spellcheck.c (test_data): Add , in between "foo" and "food".
8469
8470 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8471
8472         PR target/79449
8473         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
8474         boundary crossing check and subsequent code generation agree.
8475
8476 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8477
8478         * config/aarch64/aarch64.c (has_memory_op): Delete.
8479         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
8480         has_memory_op.
8481
8482 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
8483
8484         PR rtl-optimization/79388
8485         PR rtl-optimization/79450
8486         * combine.c (distribute_notes): When removing TEM_INSN for which
8487         corresponding dest has last value recorded, invalidate that last
8488         value.
8489
8490 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8491
8492         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
8493         of explicit '@'.  Add missing assembly comment marker on branch costs
8494         printout.
8495
8496 2017-02-13  Nathan Sidwell  <nathan@acm.org>
8497
8498         * gengtype-lex.l (<in_struct>): Add '/'.
8499
8500 2017-02-13  Martin Liska  <mliska@suse.cz>
8501
8502         PR c/79471
8503         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
8504
8505 2017-02-13  Richard Biener  <rguenther@suse.de>
8506
8507         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
8508         Remove.
8509         * configure: Re-generate.
8510         * config.in: Likewise.
8511         * graphite-dependences.c: Simplify as if
8512         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
8513         * graphite-isl-ast-to-gimple.c: Likewise.
8514         * graphite-optimize-isl.c: Likewise.
8515         * graphite-poly.c: Likewise.
8516         * graphite-sese-to-poly.c: Likewise.
8517         * graphite.h: Likewise.
8518         * toplev.c: Include isl/version.h and use isl_version () for
8519         printing the ISL version.
8520         * doc/install.texi: Update ISL requirement.
8521
8522 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
8523
8524         * doc/standards.texi (Standards): Update reference to
8525         Objective-C 2.0.
8526
8527 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
8528
8529         * doc/extend.texi (Named Address Spaces): sourceware.org now
8530         defaults to https.
8531         * doc/install.texi (Binaries): Ditto.
8532         (Specific): Ditto.
8533
8534 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
8535
8536         * doc/cpp.texi: Replace "stringify"/"stringification" with C
8537         standard terminology "stringize"/"stringizing" throughout.
8538         * doc/cppinternals.texi: Likewise.
8539
8540 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
8541
8542         * doc/extend.texi: Fix some spelling mistakes and typos.
8543         * doc/invoke.texi: Likewise.
8544
8545 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
8546
8547         PR ipa/79224
8548         * params.def (inline-min-speedup) Change from 10 to 8.
8549
8550 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
8551
8552         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
8553         4.5.
8554
8555 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
8556
8557         PR ipa/79224
8558         * ipa-inline-analysis.c (get_minimal_bb): New function.
8559         (record_modified): Use it.
8560         (remap_edge_change_prob): Handle also ancestor functions.
8561
8562 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
8563
8564         * doc/contrib.texi (Contributors): Remove broken link into
8565         the Mauve CVS repository.
8566
8567 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
8568
8569         PR middle-end/79454
8570         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
8571         result computation whenever lhs doesn't have vector mode, not
8572         just when it has BLKmode.
8573
8574 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
8575
8576         * doc/makefile.texi (profiledbootstrap): Refer to the
8577         installation instructions only in textual form.
8578
8579 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8580
8581         PR target/79295
8582         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
8583
8584 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
8585
8586         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
8587         (Specific): Update mingw-w64 reference.
8588         (Binaries): Ditto.
8589         (Specific): Remove broken link to Renesas RX processor.
8590
8591 2017-02-10  Richard Biener  <rguenther@suse.de>
8592
8593         * toplev.c (process_options): Do not mention obsolete graphite
8594         options when printing sorry message about missing graphite support.
8595         Mention -floop-nest-optimize.
8596
8597 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
8598
8599         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
8600         (vtst_p16): Likewise.
8601         (vtstq_p8): Likewise.
8602         (vtstq_p16): Likewise.
8603         (vtst_p64): New.
8604         (vtstq_p64): Likewise.
8605         * config/arm/arm_neon.h (vgetq_lane_p64): New.
8606         (vset_lane_p64): New.
8607         (vsetq_lane_p64): New.
8608
8609 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
8610
8611         PR tree-optimization/79411
8612         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
8613         stmt operands are SSA_NAMEs used in abnormal phis.
8614         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
8615         phis.
8616
8617 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
8618
8619         PR ipa/70795
8620         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
8621         flag if needed.
8622
8623 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
8624
8625         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
8626
8627 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
8628
8629         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
8630         to avoid warning.
8631
8632         PR c/79413
8633         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
8634         not arbitrary TREE_CONSTANT.
8635
8636         PR c/79431
8637         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
8638         "omp declare target link" attribute unless is_global_var.
8639         * omp-offload.c (find_link_var_op): Likewise.
8640
8641 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8642             Chung-Lin Tang  <cltang@codesourcery.com>
8643
8644         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
8645         OMP_CLAUSE_TILE.
8646         (gimplify_adjust_omp_clauses): Don't delete TILE.
8647         (gimplify_omp_for): Deal with TILE.
8648         * internal-fn.c (expand_GOACC_TILE): New function.
8649         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
8650         (GOACC_TILE): New.
8651         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
8652         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
8653         element fields.
8654         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
8655         avoid DIV for outermost collapse var.
8656         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
8657         Remove out of date comments, fix whitespace.
8658         * omp-general.c (omp_extract_for_data): Deal with tiling.
8659         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
8660         adjust OLF_DIM_BASE value.
8661         (struct omp_for_data): Add tiling field.
8662         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
8663         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
8664         for auto loops.  Remove default auto determining, moved to
8665         oacc_loop_fixed_partitions.
8666         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
8667         stmts, add e_mask field.
8668         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
8669         (oacc_thread_numbers): Use oacc_dim_call.
8670         (oacc_xform_tile): New.
8671         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
8672         (finish_oacc_loop): Adjust for ifns vector.
8673         (oacc_loop_discover_walk): Append loop abstraction sites to list,
8674         add case for GOACC_TILE fns.
8675         (oacc_loop_xform_loop): Delete.
8676         (oacc_loop_process): Iterate over call list directly, and add
8677         handling for GOACC_TILE fns.
8678         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
8679         dump partitioning.
8680         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
8681         vector partitioning to outer loops.  Assign 2 partitions to loops
8682         when available. Add TILE handling.
8683         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
8684         (execite_oacc_device_lower): Process GOACC_TILE fns,
8685         ignore unknown specs.
8686         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
8687         * tree.c (omp_clause_num_ops): Adjust TILE ops.
8688         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
8689
8690 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
8691
8692         * configure.ac (ACX_BUGURL): Update.
8693         * configure: Regenerate.
8694
8695 2017-02-09  Richard Biener  <rguenther@suse.de>
8696
8697         PR tree-optimization/69823
8698         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
8699         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
8700
8701 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
8702
8703         * config/arc/arc-c.def: Add __NPS400__ definition.
8704         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
8705         (TARGET_NPS400): Define.
8706
8707 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
8708
8709         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
8710         file.
8711         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
8712         pointer, arch_info.
8713         (arc_cpu_types): Fill the arch_info field with a pointer into the
8714         arc_arch_types table.
8715         (arc_selected_cpu): Declare.
8716         * config/arc/arc.c (arc_selected_cpu): Make global.
8717         (arc_selected_arch): Delete.
8718         (arc_base_cpu): Delete.
8719         (arc_override_options): Remove references to deleted variables,
8720         update access to arch information.
8721         (ARC_OPT): Update access to arch information.
8722         (ARC_OPTX): Likewise.
8723         * config/arc/arc.h (arc_base_cpu): Remove declaration.
8724         (TARGET_ARC600): Update access to arch information.
8725         (TARGET_ARC601): Likewise.
8726         (TARGET_ARC700): Likewise.
8727         (TARGET_EM): Likewise.
8728         (TARGET_HS): Likewise.
8729         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
8730         information.
8731
8732 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
8733
8734         PR target/78604
8735         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
8736         condition/operands for integer GE/LE/GEU/LEU operations.
8737
8738 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
8739
8740         PR translation/79397
8741         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
8742         of AltiVec.
8743
8744 2017-02-08  Martin Jambor  <mjambor@suse.cz>
8745
8746         PR ipa/79375
8747         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
8748         whether allocation happened.
8749         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
8750         nothing was allocated.
8751
8752 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
8753
8754         PR tree-optimization/79408
8755         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
8756         constant, but SSA_NAME with a known integer range, use the minimum
8757         of that range instead of op1 to determine if modulo can be replaced
8758         with its first operand.
8759
8760 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8761
8762         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
8763
8764 2017-02-08  Richard Biener  <rguenther@suse.de>
8765
8766         PR tree-optimization/71824
8767         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
8768         Check all loops contained in the merged region.
8769
8770 2017-02-07  Andrew Pinski  <apinski@cavium.com>
8771
8772         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
8773
8774 2017-02-07  Andrew Pinski  <apinski@cavium.com>
8775
8776         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
8777         (thunderxt88): Likewise.
8778         (thunderxt81): Disable LSE and change v8.1 to v8.
8779         (thunderxt83): Likewise.
8780
8781 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
8782             Richard Biener  <rguenther@suse.de>
8783
8784         PR middle-end/79399
8785         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
8786         type from int to size_t.
8787         * ira-costs.c (struct_costs_size): Change type from int to size_t.
8788
8789 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
8790
8791         PR rtl-optimization/79386
8792         * cprop.c (bypass_conditional_jumps): Initialize
8793         bypass_last_basic_block already before splitting bbs after
8794         unconditional traps...
8795         (bypass_conditional_jumps): ... rather than here.
8796
8797         PR target/79299
8798         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
8799         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
8800         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
8801         fix -masm=intel patterns.
8802
8803 2017-02-07  Richard Biener  <rguenther@suse.de>
8804
8805         PR tree-optimization/79256
8806         PR middle-end/79278
8807         * builtins.c (get_object_alignment_2): Use min_align_of_type
8808         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
8809         and ADJUST_FIELD_ALIGN.
8810
8811         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
8812         type parameter.
8813         * doc/tm.texi: Regenerate.
8814         * stor-layout.c (layout_decl): Adjust.
8815         (update_alignment_for_field): Likewise.
8816         (place_field): Likewise.
8817         (min_align_of_type): Likewise.
8818         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
8819         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
8820         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
8821         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
8822         * config/frv/frv.c (frv_adjust_field_align): Likewise.
8823         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
8824         * config/i386/i386.c (x86_field_alignment): Likewise.
8825         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
8826         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
8827         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
8828         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
8829         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
8830         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
8831          Likewise.
8832
8833         Revert
8834         2017-01-30  Richard Biener  <rguenther@suse.de>
8835
8836         PR tree-optimization/79256
8837         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
8838         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
8839         alignment on TYPE.
8840
8841 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
8842
8843         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
8844         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
8845         builtins to SImode and emit a zero-extend, if necessary.
8846
8847 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
8848
8849         * docs/invoke.texi (RISC-V Options): Alphabetize.
8850
8851 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
8852
8853         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
8854         options.
8855
8856 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
8857
8858         * config/riscv/riscv.c: New file.
8859         * gcc/common/config/riscv/riscv-common.c: Likewise.
8860         * config.gcc: Likewise.
8861         * config/riscv/constraints.md: Likewise.
8862         * config/riscv/elf.h: Likewise.
8863         * config/riscv/generic.md: Likewise.
8864         * config/riscv/linux.h: Likewise.
8865         * config/riscv/multilib-generator: Likewise.
8866         * config/riscv/peephole.md: Likewise.
8867         * config/riscv/pic.md: Likewise.
8868         * config/riscv/predicates.md: Likewise.
8869         * config/riscv/riscv-builtins.c: Likewise.
8870         * config/riscv/riscv-c.c: Likewise.
8871         * config/riscv/riscv-ftypes.def: Likewise.
8872         * config/riscv/riscv-modes.def: Likewise.
8873         * config/riscv/riscv-opts.h: Likewise.
8874         * config/riscv/riscv-protos.h: Likewise.
8875         * config/riscv/riscv.h: Likewise.
8876         * config/riscv/riscv.md: Likewise.
8877         * config/riscv/riscv.opt: Likewise.
8878         * config/riscv/sync.md: Likewise.
8879         * config/riscv/t-elf-multilib: Likewise.
8880         * config/riscv/t-linux: Likewise.
8881         * config/riscv/t-linux-multilib: Likewise.
8882         * config/riscv/t-riscv: Likewise.
8883         * configure.ac: Likewise.
8884         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
8885         Waterman as RISC-V maintainers.
8886         * doc/install.texi: Add RISC-V entries.
8887         * doc/invoke.texi: Add RISC-V options section.
8888         * doc/md.texi: Add RISC-V constraints section.
8889         * configure: Regenerated.
8890
8891 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
8892
8893         PR target/66144
8894         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
8895         false values to be constant vectors with all 0 or all 1 bits set.
8896         (vcondu<mode><mode>): Likewise.
8897         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
8898         predicate.
8899         (fpmask_comparison_operator): Update comment.
8900         (vecint_comparison_operator): New predicate.
8901         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
8902         vector conditionals when the true and false values are constant
8903         vectors with all 0 bits or all 1 bits set.
8904
8905 2017-02-06  Martin Sebor  <msebor@redhat.com>
8906
8907         PR  tree-optimization/79376
8908         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
8909
8910 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
8911
8912         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
8913         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
8914         to simplify split condition.
8915
8916 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
8917
8918         * omp-expand.c (oxpand_omp_atomic_fetch_op,
8919         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
8920         false.
8921
8922 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
8923
8924         PR rtl-optimization/68664
8925         * target.def (can_speculate_insn): New hook.
8926         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
8927         * doc/tm.texi: Regenerate.
8928         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
8929         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
8930         (rs6000_sched_can_speculate_insn): New function.
8931
8932 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
8933
8934         PR tree-optimization/79284
8935         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
8936         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
8937         vectorizable_mask_load_store, vectorizable_operation,
8938         vect_is_simple_cond, get_same_sized_vectype): Use it instead
8939         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
8940         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
8941         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
8942         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
8943         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
8944         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
8945         is_gimple_assign (stmt).  Replace another such test with
8946         is_gimple_assign (stmt).
8947
8948 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
8949
8950         PR target/78883
8951         * config/avr/avr.c (rtl-iter.h): Include it.
8952         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
8953         (avr_legitimate_combined_insn): ...and implementation.
8954
8955 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8956
8957         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
8958         * config/s390/s390.c (s390_const_operand_ok)
8959         (s390_canonicalize_comparison, s390_extract_part)
8960         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
8961         (s390_contiguous_bitmask_p, s390_rtx_costs)
8962         (legitimize_pic_address): Likewise.
8963         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
8964         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
8965         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
8966         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
8967         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
8968
8969 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
8970
8971         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
8972         REGNO($0) == REGNO($1).
8973
8974 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8975
8976         * config/s390/linux.h(SIZE_TYPE): Add comment.
8977
8978 2017-02-06  Julian Brown  <julian@codesourcery.com>
8979             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
8980             Virendra Pathak  <virendra.pathak@broadcom.com>
8981
8982         * config/aarch64/aarch64-cores.def: Change the scheduler
8983         to Thunderx2t99.
8984         * config/aarch64/aarch64.md: Include thunderx2t99.md.
8985         * config/aarch64/thunderx2t99.md: New file.
8986
8987 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
8988
8989         * doc/standards.texi (Go Language): Update link to language
8990         standard.
8991
8992 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
8993
8994         * tree-eh.c (lower_resx): Sanitize profile.
8995         (cleanup_empty_eh_move_lp): Likewise.
8996
8997 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
8998
8999         PR tree-ssa/79347
9000         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
9001         ELSE_PROB.
9002         * cfgloopmanip.h (loop_version): Update prototype.
9003         * modulo-sched.c (sms_schedule): Update call of loop_version.
9004         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
9005         * tree-parloops.c (gen_parallel_loop): Likewise.
9006         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
9007         * tree-ssa-loop-split.c (split_loop): Likewise.
9008         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
9009         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
9010
9011 2017-02-05  Martin Liska  <mliska@suse.cz>
9012
9013         PR bootstrap/78985
9014         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
9015         variable to NULL.
9016         (print_operand_address): Initialize a struct to zero.
9017
9018 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
9019
9020         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
9021         garbage collector only in textual form.
9022
9023 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
9024
9025         * doc/extend.texi (x86 specific memory model extensions for
9026         transactional memory): Simplify a phrase.
9027
9028 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
9029
9030         PR target/79353
9031         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
9032         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
9033         (atomic_storedi_1): Likewise.
9034
9035 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
9036
9037         PR tree-optimization/79338
9038         * tree-parloops.c (gather_scalar_reductions): Don't call
9039         vect_analyze_loop_form for loop->inner before destroying loop's
9040         loop_vinfo.
9041
9042 2017-02-03  Martin Sebor  <msebor@redhat.com>
9043
9044         PR tree-optimization/79327
9045         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
9046         when precision has resulted in leading zeros.
9047         (format_integer): Adjust the likely counter to assume an unknown
9048         argument that may be zero is non-zero.
9049
9050 2017-02-03  Jason Merrill  <jason@redhat.com>
9051
9052         PR c++/78689
9053         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
9054         avoid copying non-taken branch.
9055
9056 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
9057
9058         PR tree-optimization/79340
9059         * tree-vect-loop.c (vectorizable_reduction): Release
9060         vec_defs elements after safe_splicing them into other vectors.
9061         Formatting fixes.
9062
9063         PR tree-optimization/79327
9064         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
9065         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
9066         dirtype.
9067         (format_integer): Use wide_int_to_tree instead of build_int_cst
9068         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
9069         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
9070         of shortest and longest sequence.
9071
9072 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
9073
9074         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
9075         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
9076
9077 2017-02-03  Walter Lee  <walt@tilera.com>
9078
9079         PR target/78862
9080         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
9081         after initial stackframe link reg save.
9082         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
9083
9084 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
9085
9086         PR target/79354
9087         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
9088         wu for stxssp alternative.
9089
9090 2017-02-03  Martin Sebor  <msebor@redhat.com>
9091
9092         PR tree-optimization/79352
9093         * gimple-fold.c (get_range_strlen): Add argument.
9094         (get_range_strlen): Change return type to bool.
9095         (get_maxval_strlen): Pass in a dummy argument.
9096         * gimple-fold.h (get_range_strlen): Change return type to bool.
9097         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
9098         * tree.h (array_at_struct_end_p): Add argument.
9099         * tree.c (array_at_struct_end_p): Handle it.
9100
9101 2017-02-03  Martin Liska  <mliska@suse.cz>
9102
9103         PR lto/66295
9104         * multiple_target.c (create_dispatcher_calls): Redirect edge
9105         from a caller of a dispatcher.
9106         (expand_target_clones): Make the clones local.
9107         (ipa_target_clone): Do both target clones and resolvers.
9108         (ipa_dispatcher_calls): Remove the pass.
9109         (pass_dispatcher_calls::gate): Likewise.
9110         (make_pass_dispatcher_calls): Likewise.
9111         * passes.def (pass_target_clone): Put as very first IPA early
9112         pass.
9113
9114 2017-02-03  Martin Liska  <mliska@suse.cz>
9115
9116         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
9117         in case of a function with ifunc attribute.
9118
9119 2017-02-03  Martin Liska  <mliska@suse.cz>
9120
9121         * cgraph.c (cgraph_node::dump): Dump function version info.
9122         * symtab.c (symtab_node::dump_base): Add missing new line.
9123
9124 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
9125
9126         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
9127         (ifcombine_ifandif): Use it.
9128
9129 2017-02-03  Martin Liska  <mliska@suse.cz>
9130
9131         * doc/invoke.texi: Document default value for
9132         use-after-scope-direct-emission-threshold.
9133
9134 2017-02-03  Martin Liska  <mliska@suse.cz>
9135
9136         PR tree-optimization/79339
9137         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
9138         (format_floating): Likewise.
9139
9140 2017-02-03  Martin Liska  <mliska@suse.cz>
9141
9142         PR ipa/79337
9143         * ipa-prop.c (ipa_node_params_t::insert): Remove current
9144         implementation.
9145         (ipa_node_params_t::remove): Likewise.
9146         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
9147         initialization from removed ipa_node_params_t::insert.
9148         (ipa_node_params::~ipa_node_params): Move from removed
9149         ipa_node_params_t::release.
9150         * symbol-summary.h (symbol_summary::m_released): New member.
9151         Do not release a summary twice.  Do not allow to call finalizer
9152         for types of a summary that live in GGC memory.
9153
9154 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
9155
9156         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
9157         cmp_branch fusion.
9158
9159 2017-02-02  Martin Sebor  <msebor@redhat.com>
9160
9161         PR middle-end/79275
9162         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
9163         (format_string): Tighten up the range of output for non-constant
9164         strings and correct the expected range for wide non-constant strings.
9165
9166 2017-02-02  Martin Sebor  <msebor@redhat.com>
9167
9168         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
9169
9170         PR middle-end/32003
9171         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
9172         index.
9173         (-fdump-tree-@var): Add to index and document how to come up
9174         with pass-specific option and dump file names.
9175         (-fdump-passes): Clarify where to look for output.
9176
9177 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
9178
9179         PR middle-end/77445
9180         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
9181         statistics of the analyzed path; allow threading for speed when
9182         any of BBs along the path are optimized for speed.
9183
9184 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
9185
9186         PR middle-end/78468
9187         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
9188         settings of the virtual registers.
9189
9190         Revert again
9191         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9192
9193         * explow.c (get_dynamic_stack_size): Take known alignment of stack
9194         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
9195         needed.
9196
9197 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9198
9199         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
9200         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
9201
9202 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9203
9204         * config/s390/s390.md: Add missing comments with the expanded
9205         mnemonics.
9206         * config/s390/vector.md: Likewise.
9207         * config/s390/vx-builtins.md: Likewise.
9208
9209 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
9210
9211         PR target/79197
9212         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
9213         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
9214         conditions on a single line.
9215
9216 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9217
9218         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
9219         __S390_VX__ to __VX__.
9220
9221 2017-02-01  Andrew Pinski  <apinski@cavium.com>
9222
9223         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
9224         stmt_info to record_stmt_cost.
9225         (vect_get_known_peeling_cost): Pass stmt_info if known to
9226         record_stmt_cost.
9227         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
9228         cpu_vector_cost field into
9229         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
9230         field into vec_int_stmt_cost and vec_fp_stmt_cost.
9231         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
9232         splitting of scalar_stmt_cost and vec_stmt_cost.
9233         (thunderx_vector_cost): Likewise.
9234         (cortexa57_vector_cost): LIkewise.
9235         (exynosm1_vector_cost): Likewise.
9236         (xgene1_vector_cost): Likewise.
9237         (thunderx2t99_vector_cost): Improve after the splitting of the two
9238         fields.
9239         (aarch64_builtin_vectorization_cost): Update for the splitting of
9240         scalar_stmt_cost and vec_stmt_cost.
9241
9242 2017-02-01  Torvald Riegel  <triegel@redhat.com>
9243             Richard Henderson  <rth@redhat.com>
9244
9245         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
9246         conditional on existance of a fast atomic load.
9247         * optabs-query.c (can_atomic_load_p): New function.
9248         * optabs-query.h (can_atomic_load_p): Declare it.
9249         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
9250         no fast atomic load is available for the particular size of access.
9251         (expand_atomic_compare_and_swap): Likewise.
9252         (expand_atomic_load): Likewise.
9253         (expand_atomic_store): Likewise.
9254         (expand_atomic_fetch_op): Likewise.
9255         * testsuite/lib/target-supports.exp
9256         (check_effective_target_sync_int_128): Remove x86 because it provides
9257         no fast atomic load.
9258         (check_effective_target_sync_int_128_runtime): Likewise.
9259
9260 2017-02-01  Richard Biener  <rguenther@suse.de>
9261
9262         * graphite.c: Include tree-vectorizer.h for find_loop_location.
9263         (graphite_transform_loops): Provide opt-info for optimized nests.
9264         * tree-parloop.c (parallelize_loops): Provide opt-info for
9265         parallelized loops.
9266
9267 2017-02-01  Richard Biener  <rguenther@suse.de>
9268
9269         PR middle-end/79315
9270         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
9271         was not set before.
9272
9273 2017-02-01  Richard Biener  <rguenther@suse.de>
9274
9275         PR tree-optimization/71824
9276         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
9277         Verify the loops are valid in the merged SESE region.
9278         (scop_detection::can_represent_loop_1): Check analyzing the
9279         evolution of the number of iterations in the region succeeds.
9280
9281 2017-01-31  Ian Lance Taylor  <iant@golang.org>
9282
9283         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
9284         REG_ARGS_SIZE note to 32-bit push insns and call insn.
9285
9286 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
9287
9288         PR preprocessor/79210
9289         * input.c (get_substring_ranges_for_loc): Replace line_width
9290         assertion with error-handling.
9291
9292 2017-01-31  Richard Biener  <rguenther@suse.de>
9293
9294         PR tree-optimization/77318
9295         * graphite-sese-to-poly.c (extract_affine): Fix assert.
9296         (create_pw_aff_from_tree): Take loop parameter.
9297         (add_condition_to_pbb): Pass loop of the condition to
9298         create_pw_aff_from_tree.
9299
9300 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
9301
9302         * config/s390/s390.c (s390_asan_shadow_offset): New function.
9303         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
9304
9305 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
9306
9307         PR target/78597
9308         PR target/79038
9309         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
9310         no longer used.
9311         (convert_int_to_float128): Likewise.
9312         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
9313         (convert_int_to_float128): Likewise.
9314         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
9315         (UNSPEC_IEEE128_CONVERT): Likewise.
9316         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
9317         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
9318         Use local variables for IBM extended format.
9319         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
9320         (fix_trunc<mode>si2_fprs): Likewise.
9321         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
9322         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
9323         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
9324         to know that we can now have integers of all sizes in vector
9325         registers.
9326         (fix<uns>_<mode>di2_hw): Likewise.
9327         (float<uns>_<mode>si2_hw): Likewise.
9328         (fix_<mode>si2_hw): Likewise.
9329         (fixuns_<mode>si2_hw): Likewise.
9330         (float<uns>_<mode>di2_hw): Likewise.
9331         (float_<mode>di2_hw): Likewise.
9332         (float_<mode>si2_hw): Likewise.
9333         (floatuns_<mode>di2_hw): Likewise.
9334         (floatuns_<mode>si2_hw): Likewise.
9335         (xscvqp<su>wz_<mode>): Delete, no longer used.
9336         (xscvqp<su>dz_<mode>): Likewise.
9337         (xscv<su>dqp_<mode>): Likewise.
9338         (ieee128_mfvsrd_64bit): Likewise.
9339         (ieee128_mfvsrd_32bit): Likewise.
9340         (ieee128_mfvsrwz): Likewise.
9341         (ieee128_mtvsrw): Likewise.
9342         (ieee128_mtvsrd_64bit): Likewise.
9343         (ieee128_mtvsrd_32bit): Likewise.
9344
9345 2017-01-31  Martin Liska  <mliska@suse.cz>
9346
9347         PR ipa/79285
9348         * ipa-prop.c (ipa_free_all_node_params): Call release method
9349         instead of ~sumbol_summary to not to trigger double times
9350         dtor of hash_map.
9351
9352 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
9353
9354         PR tree-optimization/71691
9355         * bitmap.h (class auto_bitmap): New.
9356         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
9357         is_maybe_undefined instead of ssa_undefined_value_p.
9358
9359 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9360
9361         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
9362         __S390_ARCH_LEVEL__ to __ARCH__.
9363
9364 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
9365
9366         PR tree-optimization/79267
9367         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
9368         if should_remove_lhs_p is true.
9369
9370 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
9371
9372         PR debug/63238
9373         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
9374         (add_alignment_attribute): New.
9375         (base_type_die): Add alignment attribute.
9376         (subrange_type_die): Likewise.
9377         (modified_type_die): Likewise.
9378         (gen_array_type_die): Likewise.
9379         (gen_descr_array_type_die: Likewise.
9380         (gen_enumeration_type_die): Likewise.
9381         (gen_subprogram_die): Likewise.
9382         (gen_variable_die): Likewise.
9383         (gen_field_die): Likewise.
9384         (gen_ptr_to_mbr_type_die): Likewise.
9385         (gen_struct_or_union_type_die): Likewise.
9386         (gen_subroutine_type_die): Likewise.
9387         (gen_typedef_die): Likewise.
9388         (base_type_cmp): Compare alignment attribute.
9389
9390 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9391
9392         PR target/79170
9393         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
9394         (setb_unsigned) New pattern for setb with CCUNS.
9395         * config/rs6000/rs6000.c (expand_block_compare): Use a different
9396         subfc./subfe sequence to avoid overflow problems.  Generate a
9397         shorter sequence with cmpld/setb for power9.
9398         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
9399         for generating subfc. instruction.
9400         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
9401         now uses this instruction.
9402
9403 2017-01-30  Ian Lance Taylor  <iant@google.com>
9404
9405         PR debug/79289
9406         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
9407         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
9408
9409 2017-01-30  Martin Sebor  <msebor@redhat.com>
9410
9411         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
9412         Move constant to the right of a relational operator.
9413         (get_mpfr_format_length, format_character, format_string): Ditto.
9414         (should_warn_p, maybe_warn): Same.
9415
9416         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
9417
9418 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
9419
9420         PR lto/79061
9421         * asan.c (get_translation_unit_decl): Remove function.
9422         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
9423
9424 2017-01-30  Martin Liska  <mliska@suse.cz>
9425
9426         PR gcov-profile/79259
9427         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
9428         -fprofile-generate.
9429
9430 2017-01-30  Martin Liska  <mliska@suse.cz>
9431
9432         PR bootstrap/78985
9433         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
9434         Initialize variables with NULL value.
9435
9436 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
9437
9438         PR target/79260
9439         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
9440         tm_p_file.
9441         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
9442
9443 2017-01-30  Richard Biener  <rguenther@suse.de>
9444
9445         PR tree-optimization/79276
9446         * tree-vrp.c (process_assert_insertions): Properly adjust common
9447         when removing a duplicate.
9448
9449         * gcc.dg/torture/pr79276.c: New testcase.
9450
9451 2017-01-30  Richard Biener  <rguenther@suse.de>
9452
9453         PR tree-optimization/79256
9454         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
9455         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
9456         alignment on TYPE.
9457         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
9458
9459 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9460
9461         PR target/79240
9462         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
9463         ("*r<noxa>sbg_<mode>_sll_bitmask")
9464         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
9465         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
9466         Use contiguous_bitmask_nowrap_operand.
9467
9468 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9469
9470         PR target/79268
9471         * config/rs6000/altivec.h (vec_xl): Revise #define.
9472         (vec_xst): Likewise.
9473
9474 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
9475
9476         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
9477
9478 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
9479
9480         PR rtl-optimization/79194
9481         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
9482         traps before call to bypass_conditional_jumps.
9483
9484 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
9485
9486         PR tree-optimization/71374
9487         * lra-constraints.c (check_conflict_input_operands): New.
9488         (match_reload): Use it.
9489
9490 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
9491
9492         PR target/79131
9493         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
9494         account to calculate conflict_set.
9495
9496 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
9497
9498         PR rtl-optimization/78559
9499         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
9500         other_insn in combine.
9501
9502 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
9503
9504         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
9505         uint16_type_node for BT_UINT16.
9506
9507 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
9508
9509         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
9510         "RTL Tests" to menu.
9511         (GIMPLE Tests): New node.
9512         (RTL Tests): New node.
9513
9514 2017-01-27  Richard Biener  <rguenther@suse.de>
9515
9516         PR tree-optimization/79245
9517         * tree-loop-distribution.c (distribute_loop): Apply cost
9518         modeling also to detected patterns.
9519
9520 2017-01-27  Richard Biener  <rguenther@suse.de>
9521
9522         PR tree-optimization/71433
9523         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
9524         (compare_assert_loc): New function.
9525         (process_assert_insertions): Sort and optimize assert locations
9526         to remove duplicates and push down identical assertions on
9527         edges to their destination block.
9528
9529 2017-01-27  Richard Biener  <rguenther@suse.de>
9530
9531         PR tree-optimization/79244
9532         * tree-vrp.c (remove_range_assertions): Forcefully propagate
9533         out SSA names even if abnormal.
9534
9535 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
9536
9537         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
9538         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
9539         instead of MPFR_RNDN.
9540
9541 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
9542
9543         PR target/79239
9544         * arm.c (arm_option_override): Don't call build_target_option_node
9545         until after doing all option overrides.
9546         (arm_valid_target_attribute_tree): Likewise.
9547
9548 2017-01-27  Martin Liska  <mliska@suse.cz>
9549
9550         * doc/invoke.texi (-fprofile-arcs): Document profiling support
9551         for {cd}tors and C++ {cd}tors.
9552
9553 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9554
9555         * config/s390/s390.md ("*setmem_long_and")
9556         ("*setmem_long_and_31z"): Use zero_extend instead of and.
9557
9558 2017-01-26  Martin Sebor  <msebor@redhat.com>
9559
9560         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
9561         of precision.
9562
9563 2017-01-26  Martin Sebor  <msebor@redhat.com>
9564
9565         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
9566         HAVE_DFmode before using XFmode or DFmode.
9567         (parse_directive): Avoid using the z length modifier to avoid
9568         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
9569
9570         PR middle-end/78703
9571         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
9572         to accept adjustment as an array.
9573         (get_int_range): New function.
9574         (struct directive): Make width and prec arrays.
9575         (directive::set_width, directive::set_precision): Call get_int_range.
9576         (format_integer, format_floating): Handle width and precision ranges.
9577         (format_string, parse_directive): Same.
9578
9579 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
9580
9581         PR debug/79129
9582         * dwarf2out.c (generate_skeleton_bottom_up): For children with
9583         comdat_type_p set, just clone them, but keep the children in the
9584         original DIE.
9585
9586         PR debug/78835
9587         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
9588         which have direct callers with -fvar-tracking-assignments enabled
9589         in the current TU.
9590         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
9591         inside of type units.
9592
9593 2017-01-26  Martin Sebor  <msebor@redhat.com>
9594
9595         PR middle-end/78703
9596         * gimple-ssa-sprintf.c (struct result_range): Add likely and
9597         unlikely counters.
9598         (struct format_result): Replace number_chars, number_chars_min,
9599         and number_chars_max with a single member of struct result_range.
9600         Remove bounded.
9601         (format_result::operator+=): Adjust.
9602         (struct fmtresult): Remove bounded.  Handle likely and unlikely
9603         counters.
9604         (fmtresult::adjust_for_width_or_precision): New function.
9605         (fmtresult:type_max_digits): New function.
9606         (bytes_remaining): Handle likely and unlikely counters.
9607         (min_bytes_remaining): Remove.
9608         (format_percent): Simplify.
9609         (format_integer, format_floating): Set likely and unlikely counters.
9610         (get_string_length, format_character, format_string): Same.
9611         (format_plain, should_warn_p): New function.
9612         (maybe_warn): Call should_warn_p.  Update diagnostic messages
9613         and handle those for all directives, including plain strings.
9614         (format_directive): Handle likely and unlikely counters.
9615         Remove unnecessary quoting from diagnostics.  Add an informational
9616         note.
9617         (add_bytes): Remove.
9618         (pass_sprintf_length::compute_format_length): Simplify.
9619         (try_substitute_return_value): Handle likely and unlikely counters.
9620
9621 2017-01-26  Carl Love  <cel@us.ibm.com>
9622
9623         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
9624         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
9625
9626 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
9627
9628         PR target/79131
9629         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
9630         endianess for subregs into account.
9631         * lra-constraints.c (lra_constraints): Do risky transformations
9632         always on the first iteration.
9633         * lra-lives.c (check_pseudos_live_through_calls): Add arg
9634         last_call_used_reg_set.
9635         (process_bb_lives): Define and use last_call_used_reg_set.
9636         * lra.c (lra): Always continue after lra_constraints on the first
9637         iteration.
9638
9639 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
9640
9641         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
9642         constant.
9643         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
9644
9645 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
9646
9647         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
9648         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
9649         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
9650         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
9651         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
9652         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
9653         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
9654         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
9655         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
9656
9657 2017-01-26  Marek Polacek  <polacek@redhat.com>
9658
9659         PR c/79199
9660         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
9661         for the third operand.
9662
9663 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
9664
9665         PR middle-end/79236
9666         * omp-low.c (struct omp_context): Add simt_stmt field.
9667         (scan_omp_for): Return omp_context *.
9668         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
9669         context to the _simt_ SIMD stmt.
9670         (lower_omp_for): For combined SIMD with sibling _simt_
9671         SIMD, make sure to use the same decls in _looptemp_
9672         clauses as in the sibling.
9673
9674 2017-01-26  David Sherwood  <david.sherwood@arm.com>
9675
9676         PR middle-end/79212
9677         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
9678         all contexts.
9679
9680 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
9681
9682         PR target/70465
9683         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
9684         emit fld b; fld a; if possible.
9685
9686         * brig-builtins.def: Update copyright years.
9687         * config/arm/arm_acle_builtins.def: Update copyright years.
9688
9689 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
9690
9691         PR target/79179
9692         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
9693         constraint instead of o for the stxsd instruction.
9694
9695 2017-01-25  Carl Love  <cel@us.ibm.com>
9696
9697         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
9698         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
9699
9700 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
9701
9702         * doc/invoke.texi (C++ Dialect Options): Fix typo.
9703
9704 2017-01-25  Richard Biener  <rguenther@suse.de>
9705
9706         PR tree-optimization/69264
9707         * target.def (vector_alignment_reachable): Improve documentation.
9708         * doc/tm.texi: Regenerate.
9709         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
9710         and add a comment.
9711         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
9712         earlier changes with respect to TYPE_USER_ALIGN.
9713         (vector_alignment_reachable_p): Likewise.  Improve dumping.
9714
9715 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9716
9717         PR target/79145
9718         * config/arm/arm.md (xordi3): Force constant operand into a register
9719         for TARGET_IWMMXT.
9720
9721 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9722
9723         * doc/invoke.texi (-fstore-merging): Correct default optimization
9724         levels at which it is enabled.
9725         (-O): Move -fstore-merging from list to...
9726         (-O2): ... Here.
9727
9728 2017-01-25  Richard Biener  <rguenther@suse.de>
9729
9730         PR debug/78363
9731         * omp-expand.c: Include debug.h.
9732         (expand_omp_taskreg): Make sure to generate early debug before
9733         outlining anything from a function.
9734         (expand_omp_target): Likewise.
9735         (grid_expand_target_grid_body): Likewise.
9736
9737 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
9738
9739         PR lto/79061
9740         * asan.c (get_translation_unit_decl): New function.
9741         (asan_add_global): Extract modules file name from globals
9742         TRANSLATION_UNIT_DECL name.
9743
9744 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
9745
9746         PR target/77439
9747         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
9748         for long calls with APCS frame and VFP.
9749
9750 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
9751
9752         * cfg.c (original_copy_tables_initialized_p): New function.
9753         * cfg.h (original_copy_tables_initialized_p): New decl.
9754         * cfgrtl.c (relink_block_chain): Guard the call to
9755         free_original_copy_tables with a call to
9756         original_copy_tables_initialized_p.
9757         * cgraph.h (symtab_node::native_rtl_p): New decl.
9758         * cgraphunit.c (symtab_node::native_rtl_p): New function.
9759         (symtab_node::needed_p): Don't assert for early assembly output
9760         for __RTL functions.
9761         (cgraph_node::finalize_function): Set "force_output" for __RTL
9762         functions.
9763         (cgraph_node::analyze): Bail out early for __RTL functions.
9764         (analyze_functions): Update assertion to support __RTL functions.
9765         (cgraph_node::expand): Bail out early for __RTL functions.
9766         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
9767         __RTL functions.
9768         * function.h (struct function): Update comment for field
9769         "pass_startwith".
9770         * gimple-expr.c: Include "tree-pass.h".
9771         (gimple_has_body_p): Return false for __RTL functions.
9772         * Makefile.in (OBJS): Add run-rtl-passes.o.
9773         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
9774         accessor.
9775         (gcc::pass_manager::get_clean_slate): New accessor.
9776         * passes.c: Include "insn-addr.h".
9777         (should_skip_pass_p): Add logging.  Update logic for running
9778         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
9779         property-provider override so it is only done for gimple passes.
9780         Don't skip dfinit.
9781         (skip_pass): New function.
9782         (execute_one_pass): Call skip_pass when skipping passes.
9783         * read-md.c (md_reader::read_char): Support filtering
9784         the input to a subset of line numbers.
9785         (md_reader::md_reader): Initialize fields
9786         m_first_line and m_last_line.
9787         (md_reader::read_file_fragment): New function.
9788         * read-md.h (md_reader::read_file_fragment): New decl.
9789         (md_reader::m_first_line): New field.
9790         (md_reader::m_last_line): New field.
9791         * read-rtl-function.c (function_reader::create_function): Only
9792         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
9793         curr_properties.  Set DECL_INITIAL to a dummy block.
9794         (read_rtl_function_body_from_file_range): New function.
9795         * read-rtl-function.h (read_rtl_function_body_from_file_range):
9796         New decl.
9797         * run-rtl-passes.c: New file.
9798         * run-rtl-passes.h: New file.
9799
9800 2017-01-24  Jeff Law  <law@redhat.com>
9801
9802         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
9803         buffer size.
9804
9805 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
9806
9807         PR tree-optimization/79159
9808         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
9809         (record_nonwrapping_iv): Improve boundary using above function if no
9810         value range information.
9811
9812 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
9813             Martin Jambor  <mjambor@suse.cz>
9814
9815         * brig-builtins.def: New file.
9816         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
9817         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
9818         (DEF_HSAIL_SAT_BUILTIN): Likewise.
9819         (DEF_HSAIL_INTR_BUILTIN): Likewise.
9820         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
9821         * builtin-types.def (BT_INT8): New.
9822         (BT_INT16): Likewise.
9823         (BT_UINT8): Likewise.
9824         (BT_UINT16): Likewise.
9825         (BT_FN_ULONG): Likewise.
9826         (BT_FN_UINT_INT): Likewise.
9827         (BT_FN_UINT_ULONG): Likewise.
9828         (BT_FN_UINT_LONG): Likewise.
9829         (BT_FN_UINT_PTR): Likewise.
9830         (BT_FN_ULONG_PTR): Likewise.
9831         (BT_FN_INT8_FLOAT): Likewise.
9832         (BT_FN_INT16_FLOAT): Likewise.
9833         (BT_FN_UINT32_FLOAT): Likewise.
9834         (BT_FN_UINT16_FLOAT): Likewise.
9835         (BT_FN_UINT8_FLOAT): Likewise.
9836         (BT_FN_UINT64_FLOAT): Likewise.
9837         (BT_FN_UINT16_UINT32): Likewise.
9838         (BT_FN_UINT32_UINT16): Likewise.
9839         (BT_FN_UINT16_UINT16_UINT16): Likewise.
9840         (BT_FN_INT_PTR_INT): Likewise.
9841         (BT_FN_UINT_PTR_UINT): Likewise.
9842         (BT_FN_LONG_PTR_LONG): Likewise.
9843         (BT_FN_ULONG_PTR_ULONG): Likewise.
9844         (BT_FN_VOID_UINT64_UINT64): Likewise.
9845         (BT_FN_UINT8_UINT8_UINT8): Likewise.
9846         (BT_FN_INT8_INT8_INT8): Likewise.
9847         (BT_FN_INT16_INT16_INT16): Likewise.
9848         (BT_FN_INT_INT_INT): Likewise.
9849         (BT_FN_UINT_FLOAT_UINT): Likewise.
9850         (BT_FN_FLOAT_UINT_UINT): Likewise.
9851         (BT_FN_ULONG_UINT_UINT): Likewise.
9852         (BT_FN_ULONG_UINT_PTR): Likewise.
9853         (BT_FN_ULONG_ULONG_ULONG): Likewise.
9854         (BT_FN_UINT_UINT_UINT): Likewise.
9855         (BT_FN_VOID_UINT_PTR): Likewise.
9856         (BT_FN_UINT_UINT_PTR: Likewise.
9857         (BT_FN_UINT32_UINT64_PTR): Likewise.
9858         (BT_FN_INT_INT_UINT_UINT): Likewise.
9859         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
9860         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
9861         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
9862         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
9863         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
9864         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
9865         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
9866         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
9867         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
9868         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
9869         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
9870         * doc/frontends.texi: List BRIG FE.
9871         * doc/install.texi (Testing): Add BRIG tesring requirements.
9872         * doc/invoke.texi (Overall Options): Mention BRIG.
9873         * doc/standards.texi (Standards): Doucment BRIG HSA version.
9874
9875 2017-01-24  Richard Biener  <rguenther@suse.de>
9876
9877         PR translation/79208
9878         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
9879
9880 2017-01-24  Martin Jambor  <mjambor@suse.cz>
9881
9882         PR bootstrap/79198
9883         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
9884         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
9885         and known_contexts.
9886
9887 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
9888
9889         PR middle-end/79123
9890         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
9891         casts from signed to unsigned really don't have a range.
9892
9893 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
9894
9895         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
9896         GMP_RNDx for compatiblity.
9897
9898 2017-01-24  Martin Liska  <mliska@suse.cz>
9899
9900         PR bootstrap/79132
9901         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
9902         that would prevent us to call alloca with -1 as argument.
9903
9904 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
9905
9906         * dwarf2out.c (output_compilation_unit_header, output_file_names):
9907         Avoid -Wformat-security warning.
9908
9909 2017-01-23  Andrew Pinski  <apinski@cavium.com>
9910
9911         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
9912         cost table.
9913
9914 2017-01-23  Martin Sebor  <msebor@redhat.com>
9915
9916         PR middle-end/78703
9917         * gimple-ssa-sprintf.c (warn_level): New global.
9918         (format_integer): Use it here and throughout the rest of the file.
9919         Use the same switch to compute sign as base.
9920         (maybe_warn): New function.
9921         (format_directive): Factor out warnings into maybe_warn.
9922         Add debugging output.  Use warn_level.
9923         (add_bytes): Use warn_level.
9924         (pass_sprintf_length::compute_format_length): Add debugging output.
9925         (try_substitute_return_value): Same.
9926         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
9927
9928         PR middle-end/78703
9929         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
9930         (struct fmtresult, format_integer, format_floating): Adjust.
9931         (fmtresult::fmtresult): Set max correctly in two argument ctor.
9932         (get_string_length, format_string,format_directive): Same.
9933         (pass_sprintf_length::compute_format_length): Same.
9934         (try_substitute_return_value): Simplify slightly.
9935
9936         PR middle-end/78703
9937         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
9938         (fmtresult::operator+=): Outlined.
9939         (struct fmtresult): Add ctors.
9940         (struct conversion_spec): Rename...
9941         (struct directive): ...to this.  Add and remove data members.
9942         (directive::set_width, directive::set_precision): New functions.
9943         (format_percent): Use fmtresult ctor.
9944         (get_width_and_precision): Remove.
9945         (format_integer): Make naming changes.  Avoid computing width and
9946         precision.
9947         (format_floating): Same.  Adjust indentation.
9948         (format_character, format_none): New functions.
9949         (format_string): Moved character handling to format_character.
9950         (format_directive): Remove arguments, change return type.
9951         (parse_directive): New function.
9952         (pass_sprintf_length::compute_format_length): Move directive
9953         parsing to parse_directive.
9954
9955 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
9956
9957         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
9958         (assign_assembler_name_if_needed): ... this.
9959         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
9960         (assign_assembler_name_if_needed): ... this.
9961         (free_lang_data_in_cgraph): Adjust callers.
9962         * cgraphunit.c (cgraph_node::analyze): Likewise.
9963         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
9964         Likewise.
9965
9966 2017-01-23  Richard Biener  <rguenther@suse.de>
9967
9968         PR tree-optimization/79088
9969         PR tree-optimization/79188
9970         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
9971         resetting loop bounds after last path deletion.  Reset loop
9972         bounds of the target loop, make code match the comments.
9973         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
9974         Make sure loops need no fixups.
9975
9976 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9977
9978         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
9979         exponent support with double type for first argument.
9980         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
9981         type returned by __builtin_vec_extract_sig,
9982         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
9983         functions from "vector int" to "vector unsigned int" or from
9984         "vector long long int" to "vector unsigned long long int".
9985         Changed type returned by __builtin_vec_extract_exp,
9986         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
9987         functions from "vector int" to "vector unsigned int" or from
9988         "vector long long int" to "vector unsigned long long int".
9989         Changed return type of __builtin_vec_test_data_class,
9990         __builtin_vec_test_data_class_sp, and
9991         __builtin_vec_test_data_class_dp from "vector int" to
9992         "vector bool int" or from "vector long long int" to "vector bool
9993         long long int" and changed second argument type from "unsigned
9994         int" to "int".  Added new overloaded function forms "vector float
9995         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
9996         "vector float __builtin_vec_insert_exp_sp (vector float, vector
9997         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
9998         double, vector unsigned long long int)" and "vector double
9999         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
10000         long int)".  Changed return type of
10001         __builtin_scalar_test_data_class and
10002         __builtin_scalar_test_data_class_sp and
10003         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
10004         int" and changed second argument from "unsigned int" to "int".
10005         Changed type returned by __builtin_scalar_test_neg,
10006         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
10007         from "int" to "bool int".  Added new overloaded function form
10008         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
10009         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
10010         exponent double-precision with floating point first argument.
10011         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
10012         documentation of scalar_test_data_class, scalar_test_neg,
10013         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
10014         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
10015         vec_test_data_class built-in functions to reflect refinements in
10016         their type signatures.
10017
10018 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
10019
10020         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
10021         size of buf.
10022         (aarch64_elf_asm_destructor): Likewise.
10023
10024 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
10025
10026         PR rtl-optimization/78634
10027         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
10028         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
10029         * ifcvt.c (noce_try_cmove): Add missing cost check.
10030
10031         PR rtl-optimization/71724
10032         * combine.c (if_then_else_cond): Look for situations where it is
10033         beneficial to undo the work of one of the recursive calls.
10034
10035 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
10036
10037         PR tree-optimization/70754
10038         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
10039         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
10040         combined stmt before it if not NULL.
10041         (combine_chains): Process refs reversely and compute dominance point
10042         for root ref.
10043
10044 2017-01-23  Martin Liska  <mliska@suse.cz>
10045
10046         PR tree-optimization/79196
10047         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
10048         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
10049         instead of memcmp.
10050         (strlen_optimize_stmt): Call the renamed function.
10051
10052 2017-01-23  Michael Matz  <matz@suse.de>
10053
10054         PR tree-optimization/78384
10055         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
10056
10057 2017-01-23  Richard Biener  <rguenther@suse.de>
10058
10059         PR tree-optimization/79186
10060         * tree-vrp.c (register_new_assert_for): Make sure we've seen
10061         both incoming edges before moving an assert.
10062
10063 2017-01-23  Martin Jambor  <mjambor@suse.cz>
10064
10065         * ipa-prop.c (load_from_param_1): Removed.
10066         (load_from_unmodified_param): Bits from load_from_param_1 put back
10067         here.
10068         (load_from_param): Removed.
10069         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
10070         with stmt.  Reverted back to use of load_from_unmodified_param.
10071
10072 2017-01-23  Martin Jambor  <mjambor@suse.cz>
10073
10074         PR ipa/79108
10075         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
10076         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
10077         field a pointer to garbage collected vector, mark lattices and
10078         ipcp_orig_node with GTY((skip)).
10079         (ipa_get_param_count): Adjust to descriptors being a pointer.
10080         (ipa_get_param): Likewise.
10081         (ipa_get_type): Likewise.
10082         (ipa_get_param_move_cost): Likewise.
10083         (ipa_set_param_used): Likewise.
10084         (ipa_get_controlled_uses): Likewise.
10085         (ipa_set_controlled_uses): Likewise.
10086         (ipa_is_param_used): Likewise.
10087         (ipa_node_params_t): Move into garbage collector.  New methods insert
10088         and remove.
10089         (ipa_node_params_sum): Annotate wth GTY(()).
10090         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
10091         garbage collected.
10092         (ipa_load_from_parm_agg): Adjust declaration.
10093         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
10094         * ipa-profile.c (ipa_profile): Likewise.
10095         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
10096         (ipa_populate_param_decls): Make descriptors parameter garbage
10097         collected.
10098         (ipa_dump_param): Adjust to descriptors being a pointer.
10099         (ipa_alloc_node_params): Likewise.
10100         (ipa_initialize_node_params): Likewise.
10101         (load_from_param_1): Make descriptors parameter garbage collected.
10102         (load_from_unmodified_param): Likewise.
10103         (load_from_param): Likewise.
10104         (ipa_load_from_parm_agg): Likewise.
10105         (ipa_node_params::~ipa_node_params): Removed.
10106         (ipa_free_all_node_params): Remove call to delete operator.
10107         (ipa_node_params_t::insert): New.
10108         (ipa_node_params_t::remove): Likewise.
10109         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
10110         copy known_csts and known_contexts vectors.
10111         (ipa_read_node_info): Adjust to descriptors being a pointer.
10112         (ipcp_modif_dom_walker): Make m_descriptors field garbage
10113         collected.
10114         (ipcp_transform_function): Make descriptors variable garbage
10115         collected.
10116
10117 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
10118
10119         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
10120         * config/i386/avx512dqintrin.h: Ditto.
10121         * config/i386/avx512fintrin.h: Ditto.
10122         * gcc/config/i386/i386.c: Handle new builtins.
10123         * config/i386/i386-builtin.def: Add new builtins.
10124         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
10125         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
10126
10127 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
10128             Martin Liska  <mliska@suse.cz>
10129
10130         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
10131         * asan.c (asan_expand_poison_ifn): Support stores and use
10132         appropriate ASAN report function.
10133         * internal-fn.c (expand_ASAN_POISON_USE): New function.
10134         * internal-fn.def (ASAN_POISON_USE): Declare.
10135         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
10136         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
10137         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
10138         ASAN_POISON calls w/o LHS.
10139         * tree-ssa.c (execute_update_addresses_taken): Create clobber
10140         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
10141         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
10142         * gimplify.c (asan_poison_variables): Add attribute
10143         use_after_scope_memory to variables that really needs to live
10144         in memory.
10145         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
10146         having the attribute.
10147
10148 2017-01-23  Martin Liska  <mliska@suse.cz>
10149
10150         * asan.c (create_asan_shadow_var): New function.
10151         (asan_expand_poison_ifn): Likewise.
10152         * asan.h (asan_expand_poison_ifn): New declaration.
10153         * internal-fn.c (expand_ASAN_POISON): Likewise.
10154         * internal-fn.def (ASAN_POISON): New builtin.
10155         * sanopt.c (pass_sanopt::execute): Expand
10156         asan_expand_poison_ifn.
10157         * tree-inline.c (copy_decl_for_dup_finish): Make function
10158         external.
10159         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
10160         * tree-ssa.c (is_asan_mark_p): New function.
10161         (execute_update_addresses_taken): Rewrite local variables
10162         (identified just by use-after-scope as addressable) into SSA.
10163
10164 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
10165
10166         * doc/install.texi (Specific): opensource.apple.com uses https
10167         now. Remove trailing slash.
10168
10169 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
10170
10171         * README.Portability: Remove note on an Irix compatibility issue.
10172
10173 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
10174
10175         * gcov.c (INCLUDE_ALGORITHM): Define.
10176         (INCLUDE_VECTOR): Define.
10177         No longer include <vector> and <algorithm> directly.
10178
10179 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
10180
10181         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
10182         to https.
10183         * doc/invoke.texi (Code Gen Options): Ditto.
10184
10185 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
10186
10187         PR lto/78407
10188         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
10189
10190 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
10191
10192         rtl-optimization/79125
10193         * cprop.c (local_cprop_pass): Handle cases where we make an
10194         unconditional trap.
10195
10196 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
10197
10198         PR target/61729
10199         PR target/77850
10200         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
10201         read from, for big endian.
10202
10203 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
10204
10205         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
10206         register pauth builtins for LP64 only.
10207
10208 2017-01-20  Marek Polacek  <polacek@redhat.com>
10209
10210         PR c/79152
10211         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
10212         non-case labels.
10213
10214 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
10215
10216         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
10217         of safelen status.
10218         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
10219         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
10220         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
10221
10222 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10223
10224         PR target/71270
10225         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
10226         in big-endian mode when they are not a single duplicated value.
10227
10228 2017-01-20  Richard Biener  <rguenther@suse.de>
10229
10230         * BASE-VER: Bump to 7.0.1.
10231
10232 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
10233
10234         * omp-low.c (omplow_simd_context): New struct.  Use it...
10235         (lower_rec_simd_input_clauses): ...here and...
10236         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
10237         references to idx, lane, max_vf, is_simt.
10238
10239 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
10240
10241         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
10242         mcpu=nps400.
10243
10244 2017-01-20  Martin Jambor  <mjambor@suse.cz>
10245
10246         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
10247         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
10248         gt-hsa-common.h.
10249         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
10250         (GTFILES): Rename hsa.c to hsa-common.c.
10251         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
10252         * hsa-dump.c: Likewise.
10253         * hsa-gen.c: Likewise.
10254         * hsa-regalloc.c: Likewise.
10255         * ipa-hsa.c: Likewise.
10256         * omp-expand.c: Likewise.
10257         * omp-low.c: Likewise.
10258         * toplev.c: Likewise.
10259
10260 2017-01-20  Marek Polacek  <polacek@redhat.com>
10261
10262         PR c/64279
10263         * doc/invoke.texi: Document -Wduplicated-branches.
10264         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
10265         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
10266         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
10267         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
10268         return 0 only when not OEP_LEXICOGRAPHIC.
10269         (fold_build_cleanup_point_expr): Use the expression
10270         location when building CLEANUP_POINT_EXPR.
10271         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
10272         * tree.c (add_expr): Handle error_mark_node.
10273
10274 2017-01-20  Martin Liska  <mliska@suse.cz>
10275
10276         PR lto/69188
10277         * tree-profile.c (init_ic_make_global_vars): Do not call
10278         finalize_decl.
10279         (gimple_init_gcov_profiler): Likewise.
10280
10281 2017-01-20  Martin Liska  <mliska@suse.cz>
10282
10283         PR ipa/71190
10284         * cgraph.h (maybe_create_reference): Remove argument and
10285         update comment.
10286         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
10287         argument.
10288         * ipa-cp.c (create_specialized_node): Likewise.
10289         * symtab.c (symtab_node::maybe_create_reference): Handle
10290         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
10291
10292 2017-01-20  Martin Liska  <mliska@suse.cz>
10293
10294         * read-rtl-function.c (function_reader::create_function): Use
10295         build_decl instread of build_decl_stat.
10296
10297 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
10298
10299         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
10300         * config/i386/avx512dqintrin.h: Ditto.
10301         * config/i386/avx512fintrin.h: Ditto.
10302         * config/i386/i386-builtin-types.def: Add new types.
10303         * gcc/config/i386/i386.c: Handle new types.
10304         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
10305         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
10306         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
10307         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
10308         (__builtin_ia32_kshiftridi): New.
10309         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
10310
10311 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
10312
10313         PR target/78875
10314         PR target/79140
10315         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
10316         define to rs6000_init_stack_protect_guard.
10317         (rs6000_init_stack_protect_guard): New function.
10318
10319 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
10320             Yunqiang Su  <yunqiang.su@imgtec.com>
10321
10322         * config.gcc (supported_defaults): Add madd4.
10323         (with_madd4): Add validation.
10324         (all_defaults): Add madd4.
10325         * config/mips/mips.opt (mmadd4): New option.
10326         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
10327         mmadd4.
10328         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
10329         __mips_no_madd4.
10330         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
10331         (ISA_HAS_FUSED_MADD4): Likewise.
10332         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
10333         * gcc/doc/install.texi (--with-madd4): Document the new option.
10334
10335 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
10336
10337         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
10338         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
10339         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
10340         (aarch64_init_pauth_hint_builtins): New.
10341         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
10342         (aarch64_expand_builtin): Expand new builtins.
10343
10344 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
10345
10346         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
10347         * combine-stack-adj.c (no_unhandled_cfa): Handle
10348         REG_CFA_TOGGLE_RA_MANGLE.
10349         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
10350         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
10351         info for return address signing.
10352         (aarch64_expand_epilogue): Likewise.
10353
10354 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
10355
10356         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
10357         * config/aarch64/aarch64-protos.h
10358         (aarch64_return_address_signing_enabled): New declaration.
10359         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
10360         New function.
10361         (aarch64_expand_prologue): Sign return address before it's pushed onto
10362         stack.
10363         (aarch64_expand_epilogue): Authenticate return address fetched from
10364         stack.
10365         (aarch64_override_options): Sanity check for ILP32 and ISA level.
10366         (aarch64_attributes): New function attributes for "sign-return-address".
10367         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
10368         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
10369         ("*do_return"): Generate combined instructions according to key index.
10370         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
10371         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
10372         iterators.
10373         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
10374         * config/aarch64/aarch64.opt (msign-return-address=): New.
10375         * doc/extend.texi (AArch64 Function Attributes): Documents
10376         "sign-return-address=".
10377         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
10378
10379 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
10380
10381         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
10382         overall option summary.
10383
10384 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
10385
10386         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
10387         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
10388         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
10389         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
10390
10391 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
10392
10393         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
10394         -mpower9-minmax by default for -mcpu=power9.
10395         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
10396         128-bit floating point.
10397
10398 2017-01-20  Alan Modra  <amodra@gmail.com>
10399
10400         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
10401         optimizing for size.
10402
10403 2017-01-20  Alan Modra  <amodra@gmail.com>
10404
10405         PR target/79144
10406         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
10407         for strcmp and strncmp from corresponding builtin decl.
10408
10409 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
10410
10411         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
10412         instead of i386/rtems-64.h.
10413         * config/i386/rtems-64.h: Remove.
10414
10415 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
10416
10417         PR target/78478
10418         Revert:
10419         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
10420
10421         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
10422
10423 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
10424
10425         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
10426         Change int to HOST_WIDE_INT.
10427         * config/aarch64/aarch64-protos.h
10428         (aarch64_simd_gen_const_vector_dup): Likewise.
10429         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
10430
10431 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
10432
10433         * langhooks-def.h (lhd_type_for_size): New decl.
10434         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
10435         * langhooks.c (lhd_type_for_size): New function, taken from
10436         lto_type_for_size.
10437
10438 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
10439
10440         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
10441         define_bypass for CR latency.
10442         (power9-cracked-alu): Update bypass latency and remove power9-branch.
10443         (power9-alu2): Add define_bypass for CR latency.
10444         (power9-cmp): New.
10445         (power9-mul): Update insn latency.
10446         (power9-mul-compare): Update insn latency, bypass latency and remove
10447         power9-branch.
10448
10449 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10450
10451         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
10452         Delete.
10453         * config/aarch64/aarch64.md
10454         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
10455         aarch64_nopcrelative_literal_loads.
10456         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
10457
10458 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
10459
10460         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
10461         TARGET_LOONGSON_3A.
10462         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
10463
10464 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
10465
10466         PR target/78176
10467         * config.gcc (supported_defaults): Add lxc1-sxc1.
10468         (with_lxc1_sxc1): Add validation.
10469         (all_defaults): Add lxc1-sxc1.
10470         * config/mips/mips.opt (mlxc1-sxc1): New option.
10471         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
10472         mlxc1-sxc1.
10473         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
10474         __mips_no_lxc1_sxc1.
10475         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
10476         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
10477         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
10478
10479 2017-01-19  Richard Biener  <rguenther@suse.de>
10480
10481         PR tree-optimization/72488
10482         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
10483         sure to restore SSA info.
10484         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
10485
10486 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
10487
10488         PR rtl-optimization/79121
10489         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
10490         of the inner type when shifting an extended value.
10491
10492 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
10493
10494         PR lto/78407
10495         * symtab.c (symtab_node::equal_address_to): Fix comparing of
10496         interposable aliases.
10497
10498 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
10499
10500         PR target/78516
10501         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
10502         Use the evmergelohi instruction.
10503         (mov_si<mode>_e500_subreg4_2_le): Likewise.
10504         (mov_sitf_e500_subreg8_2_be): Likewise.
10505         (mov_sitf_e500_subreg12_2_le): Likewise.
10506         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
10507         (mov_si<mode>_e500_subreg4_2_be): Likewise.
10508         (mov_sitf_e500_subreg8_2_le): Likewise.
10509         (mov_sitf_e500_subreg12_2_be): Likewise.
10510
10511 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10512
10513         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
10514         attribute from vecsimple to vecperm.
10515         (altivec_vbpermq2): Likewise.
10516
10517 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10518
10519         PR target/79040
10520         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
10521
10522 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10523         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
10524         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
10525         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
10526         case where N arg is SIZE_MAX.
10527         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
10528         (cmpstrsi): Add pattern.
10529
10530 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
10531
10532         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
10533         __builtin_vec_revb builtins.
10534         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
10535         built-in functions to support generation of the ISA 3.0 XXBR<x>
10536         vector byte reverse instructions.
10537         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
10538         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
10539         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
10540         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
10541         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
10542         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
10543         (P9V_BUILTIN_VEC_REVB): Likewise.
10544         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
10545         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
10546         (p9_xxbrq_v16qi): Likewise.
10547         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
10548         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
10549         (p9_xxbrh_v8hi): Likewise.
10550         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
10551         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
10552         vec_revb built-in functions.
10553
10554 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
10555
10556         PR rtl-optimization/78952
10557         * config/i386/i386.md (any_extract): New code iterator.
10558         (*insvqi_2): Use any_extract for source operand.
10559         (*insvqi_3): Use any_shiftrt for source operand.
10560
10561 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
10562
10563         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
10564         New function.
10565         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
10566
10567 2017-01-18  Matthias Klose  <doko@ubuntu.com>
10568
10569         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
10570
10571 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10572
10573         * config/rs6000/altivec.h (vec_bperm): Change #define.
10574         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
10575         (altivec_vbpermq2): New define_insn.
10576         (altivec_vbpermd): Likewise.
10577         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
10578         function interface.
10579         (VBPERMD): Likewise.
10580         (VBPERM): New polymorphic function interface.
10581         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
10582         Add entries for P9V_BUILTIN_VEC_VBPERM.
10583         * doc/extend.texi: Add interfaces for vec_bperm.
10584
10585 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10586
10587         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
10588         first letter of error messages.
10589         (s390_resolve_overloaded_builtin): Likewise.
10590         * config/s390/s390.c (s390_expand_builtin): Likewise.
10591         (s390_invalid_arg_for_unprototyped_fn): Likewise.
10592         (s390_valid_target_attribute_inner_p): Likewise.
10593         * config/s390/s390.md ("tabort"): Likewise.
10594
10595 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
10596
10597         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
10598         (ISA_AVOID_DIV_HILO): New macro.
10599         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
10600         (ISA_HAS_DDIV): Likewise.
10601
10602 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
10603
10604         * doc/invoke.texi (fabi-version): Correct number of occurrences.
10605
10606 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
10607
10608         * doc/invoke.texi (fabi-version): Spelling fix.
10609
10610 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
10611
10612         PR c++/70182
10613         * doc/invoke.texi (fabi-version): Mention mangling fix for
10614         operator names.
10615
10616 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
10617
10618         PR c++/77489
10619         * doc/invoke.texi (fabi-version): Document discriminator mangling.
10620
10621 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
10622
10623         PR target/78875
10624         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
10625         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
10626         the new options.
10627         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
10628         flexible settings.
10629         (stack_protect_test): Ditto.
10630         * config/rs6000/rs6000.opt (mstack-protector-guard=,
10631         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
10632         options.
10633         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
10634         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
10635         -mstack-protector-guard-offset=.
10636         (RS/6000 and PowerPC Options): Ditto.
10637
10638 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
10639
10640         * config/i386/i386.h (MASK_CLASS_P): New define.
10641         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
10642         there are no registers from different register sets also when
10643         mask registers are used.  Update function comment.
10644         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
10645         to (*k/*r) and (*k/*km) alternatives.
10646
10647 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
10648
10649         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
10650         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
10651         (EH_RETURN_HANDLER_RTX): New define.
10652         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
10653         Force frame pointer in EH return functions.
10654         (aarch64_expand_epilogue): Add barrier for eh_return.
10655         (aarch64_final_eh_return_addr): Remove.
10656         (aarch64_eh_return_handler_rtx): New function.
10657         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
10658         Remove.
10659         (aarch64_eh_return_handler_rtx): New prototype.
10660
10661 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10662
10663         * config/rs6000/altivec.h (vec_rlmi): New #define.
10664         (vec_vrlnm): Likewise.
10665         (vec_rlnm): Likewise.
10666         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
10667         (UNSPEC_VRLNM): Likewise.
10668         (VIlong): New mode iterator.
10669         (altivec_vrl<VI_char>mi): New define_insn.
10670         (altivec_vrl<VI_char>nm): Likewise.
10671         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
10672         function entry.
10673         (VRLDNM): Likewise.
10674         (RLNM): New polymorphic function entry.
10675         (VRLWMI): New monomorphic function entry.
10676         (VRLDMI): Likewise.
10677         (RLMI): New polymorphic function entry.
10678         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
10679         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
10680         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
10681         vec_vrlnm.
10682
10683 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
10684
10685         PR debug/78839
10686         * dwarf2out.c (field_byte_offset): Restore the
10687         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
10688         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
10689         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
10690         of build2 + fold.
10691
10692 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
10693
10694         PR ada/67205
10695         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
10696
10697 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
10698
10699         PR debug/71669
10700         * dwarf2out.c (add_data_member_location_attribute): For constant
10701         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
10702         instead of DW_AT_data_member_location, DW_AT_bit_offset and
10703         DW_AT_byte_size attributes.
10704
10705 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
10706
10707         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
10708         after forcing to constant memory when the code model is medium.
10709
10710 2017-01-17  Julia Koval  <julia.koval@intel.com>
10711
10712         PR target/76731
10713         * config/i386/avx512fintrin.h
10714         (_mm512_i32gather_ps): Change __addr type to void const*.
10715         (_mm512_mask_i32gather_ps): Ditto.
10716         (_mm512_i32gather_pd): Ditto.
10717         (_mm512_mask_i32gather_pd): Ditto.
10718         (_mm512_i64gather_ps): Ditto.
10719         (_mm512_mask_i64gather_ps): Ditto.
10720         (_mm512_i64gather_pd): Ditto.
10721         (_mm512_mask_i64gather_pd): Ditto.
10722         (_mm512_i32gather_epi32): Ditto.
10723         (_mm512_mask_i32gather_epi32): Ditto.
10724         (_mm512_i32gather_epi64): Ditto.
10725         (_mm512_mask_i32gather_epi64): Ditto.
10726         (_mm512_i64gather_epi32): Ditto.
10727         (_mm512_mask_i64gather_epi32): Ditto.
10728         (_mm512_i64gather_epi64): Ditto.
10729         (_mm512_mask_i64gather_epi64): Ditto.
10730         (_mm512_i32scatter_ps): Change __addr type to void*.
10731         (_mm512_mask_i32scatter_ps): Ditto.
10732         (_mm512_i32scatter_pd): Ditto.
10733         (_mm512_mask_i32scatter_pd): Ditto.
10734         (_mm512_i64scatter_ps): Ditto.
10735         (_mm512_mask_i64scatter_ps): Ditto.
10736         (_mm512_i64scatter_pd): Ditto.
10737         (_mm512_mask_i64scatter_pd): Ditto.
10738         (_mm512_i32scatter_epi32): Ditto.
10739         (_mm512_mask_i32scatter_epi32): Ditto.
10740         (_mm512_i32scatter_epi64): Ditto.
10741         (_mm512_mask_i32scatter_epi64): Ditto.
10742         (_mm512_i64scatter_epi32): Ditto.
10743         (_mm512_mask_i64scatter_epi32): Ditto.
10744         (_mm512_i64scatter_epi64): Ditto.
10745         (_mm512_mask_i64scatter_epi64): Ditto.
10746         * config/i386/avx512pfintrin.h
10747         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
10748         (_mm512_mask_prefetch_i32gather_ps): Ditto.
10749         (_mm512_mask_prefetch_i64gather_pd): Ditto.
10750         (_mm512_mask_prefetch_i64gather_ps): Ditto.
10751         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
10752         (_mm512_prefetch_i32scatter_ps): Ditto.
10753         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
10754         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
10755         (_mm512_prefetch_i64scatter_pd): Ditto.
10756         (_mm512_prefetch_i64scatter_ps): Ditto.
10757         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
10758         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
10759         * config/i386/avx512vlintrin.h
10760         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
10761         (_mm_mmask_i32gather_ps): Ditto.
10762         (_mm256_mmask_i32gather_pd): Ditto.
10763         (_mm_mmask_i32gather_pd): Ditto.
10764         (_mm256_mmask_i64gather_ps): Ditto.
10765         (_mm_mmask_i64gather_ps): Ditto.
10766         (_mm256_mmask_i64gather_pd): Ditto.
10767         (_mm_mmask_i64gather_pd): Ditto.
10768         (_mm256_mmask_i32gather_epi32): Ditto.
10769         (_mm_mmask_i32gather_epi32): Ditto.
10770         (_mm256_mmask_i32gather_epi64): Ditto.
10771         (_mm_mmask_i32gather_epi64): Ditto.
10772         (_mm256_mmask_i64gather_epi32): Ditto.
10773         (_mm_mmask_i64gather_epi32): Ditto.
10774         (_mm256_mmask_i64gather_epi64): Ditto.
10775         (_mm_mmask_i64gather_epi64): Ditto.
10776         (_mm256_i32scatter_ps): Change __addr type to void*.
10777         (_mm256_mask_i32scatter_ps): Ditto.
10778         (_mm_i32scatter_ps): Ditto.
10779         (_mm_mask_i32scatter_ps): Ditto.
10780         (_mm256_i32scatter_pd): Ditto.
10781         (_mm256_mask_i32scatter_pd): Ditto.
10782         (_mm_i32scatter_pd): Ditto.
10783         (_mm_mask_i32scatter_pd): Ditto.
10784         (_mm256_i64scatter_ps): Ditto.
10785         (_mm256_mask_i64scatter_ps): Ditto.
10786         (_mm_i64scatter_ps): Ditto.
10787         (_mm_mask_i64scatter_ps): Ditto.
10788         (_mm256_i64scatter_pd): Ditto.
10789         (_mm256_mask_i64scatter_pd): Ditto.
10790         (_mm_i64scatter_pd): Ditto.
10791         (_mm_mask_i64scatter_pd): Ditto.
10792         (_mm256_i32scatter_epi32): Ditto.
10793         (_mm256_mask_i32scatter_epi32): Ditto.
10794         (_mm_i32scatter_epi32): Ditto.
10795         (_mm_mask_i32scatter_epi32): Ditto.
10796         (_mm256_i32scatter_epi64): Ditto.
10797         (_mm256_mask_i32scatter_epi64): Ditto.
10798         (_mm_i32scatter_epi64): Ditto.
10799         (_mm_mask_i32scatter_epi64): Ditto.
10800         (_mm256_i64scatter_epi32): Ditto.
10801         (_mm256_mask_i64scatter_epi32): Ditto.
10802         (_mm_i64scatter_epi32): Ditto.
10803         (_mm_mask_i64scatter_epi32): Ditto.
10804         (_mm256_i64scatter_epi64): Ditto.
10805         (_mm256_mask_i64scatter_epi64): Ditto.
10806         (_mm_i64scatter_epi64): Ditto.
10807         (_mm_mask_i64scatter_epi64): Ditto.
10808         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
10809         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
10810         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
10811         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
10812         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
10813         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
10814         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
10815         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
10816         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
10817         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
10818         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
10819         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
10820         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
10821         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
10822         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
10823         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
10824         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
10825         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
10826         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
10827         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
10828         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
10829         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
10830         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
10831         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
10832         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
10833         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
10834         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
10835         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
10836         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
10837         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
10838         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
10839         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
10840         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
10841         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
10842         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
10843         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
10844         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
10845         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
10846         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
10847         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
10848         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
10849         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
10850         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
10851         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
10852         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
10853         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
10854         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
10855         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
10856         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
10857         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
10858         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
10859         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
10860         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
10861         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
10862         definitions accordingly.
10863
10864 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
10865             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
10866
10867         PR target/79079
10868         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
10869         gen_lowpart.
10870
10871 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
10872
10873         PR target/79058
10874         * ira-conflicts.c (ira_build_conflicts): Update total conflict
10875         hard regs for inner regno.
10876
10877 2017-01-17  Martin Liska  <mliska@suse.cz>
10878
10879         PR ipa/71207
10880         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
10881         assumption and add comment.
10882
10883 2017-01-17  Nathan Sidwell  <nathan@acm.org>
10884
10885         * ipa-visibility.c (localize_node): New function, broken out of ...
10886         (function_and_variable_visibility): ... here. Call it.
10887
10888 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
10889
10890         PR middle-end/77445
10891         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
10892         correctly set frequency of oudgoing edge.
10893         (duplicate_thread_path): Fix profile updating.
10894
10895 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
10896
10897         PR other/79046
10898         * configure.ac: Add GCC_BASE_VER.
10899         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
10900         version from BASE-VER file.
10901         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
10902         (gcc.o): Depend on $(BASEVER).
10903         * common.opt (dumpfullversion): New option.
10904         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
10905         * doc/invoke.texi: Document -dumpfullversion.
10906         * doc/install.texi: Document --with-gcc-major-version-only.
10907         * configure: Regenerated.
10908
10909 2017-01-17  Richard Biener  <rguenther@suse.de>
10910
10911         PR tree-optimization/71433
10912         * tree-vrp.c (register_new_assert_for): Merge same asserts
10913         on all incoming edges.
10914         (process_assert_insertions_for): Handle insertions at the
10915         beginning of BBs.
10916
10917 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
10918
10919         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
10920         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
10921
10922 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
10923
10924         PR target/78633
10925         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
10926         RTL sharing.
10927
10928 2017-01-17  Alan Modra  <amodra@gmail.com>
10929
10930         PR target/79066
10931         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
10932         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
10933         symbolic stack limit when pic.
10934
10935 2017-01-16  Martin Sebor  <msebor@redhat.com>
10936
10937         PR tree-optimization/78608
10938         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
10939
10940 2017-01-16  Jeff Law  <law@redhat.com>
10941
10942         Revert:
10943         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
10944         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
10945         for several include directories that may be relative to sysroot.
10946         * config/i386/x-mingw32 (gplus_includedir): Define.
10947         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
10948         (native_system_includedir): Likewise.
10949         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
10950         override if TARGET_SYSTEM_ROOT is defined.
10951         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
10952
10953         PR tree-optimization/79090
10954         PR tree-optimization/33562
10955         PR tree-optimization/61912
10956         PR tree-optimization/77485
10957         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
10958         and computed trims into the dump file.
10959
10960 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
10961
10962         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
10963
10964 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
10965
10966         PR c/79089
10967         * gimplify.c (gimplify_init_constructor): If want_value and
10968         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
10969         fix.
10970
10971         PR target/79080
10972         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
10973         sequence.  Formatting fixes.
10974         (doloop_optimize): Formatting fixes.
10975
10976         PR driver/49726
10977         * gcc.c (debug_level_greater_than_spec_func): New function.
10978         (static_spec_functions): Add debug-level-gt spec function.
10979         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
10980         !g0.
10981         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
10982         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
10983         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
10984         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
10985         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
10986         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
10987
10988 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
10989
10990         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
10991         QImode fixups to general and mask registers only.
10992
10993 2017-01-16  Carl Love  <cel@us.ibm.com>
10994
10995         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
10996         for built-in functions
10997         vector signed char vec_nabs (vector signed char)
10998         vector signed short vec_nabs (vector signed short)
10999         vector signed int vec_nabs (vector signed int)
11000         vector signed long long vec_nabs (vector signed long long)
11001         vector float vec_nabs (vector float)
11002         vector double vec_nabs (vector double)
11003         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
11004         and NABS overload.
11005         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
11006         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
11007         * doc/extend.texi: Update the documentation file for the new built-in
11008         functions.
11009
11010 2017-01-16  Martin Sebor  <msebor@redhat.com>
11011
11012         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
11013         message.
11014
11015 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11016
11017         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
11018         UNSPEC_VSX__XXSPLTD to require special splat handling.
11019
11020 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
11021
11022         PR bootstrap/78616
11023         * system.h: Poison strndup.
11024
11025 2017-01-16  Alan Modra  <amodra@gmail.com>
11026
11027         PR target/79098
11028         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
11029         use a switch.
11030
11031 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
11032
11033         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
11034
11035 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
11036
11037         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
11038         call recog here.  Assert that INSN_CODE (insn) is non-negative.
11039
11040 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
11041
11042         PR target/72749
11043         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
11044         fallthrough.
11045         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
11046         in the currently scheduled RTL fragment.
11047
11048 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
11049
11050         PR rtl-optimization/78751
11051         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
11052         give up.
11053
11054 2017-01-14  Jeff Law  <law@redhat.com>
11055
11056         PR tree-optimization/79090
11057         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
11058         variable length stores.
11059         (compute_trims): Delete dead assignment to *trim_tail.
11060         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
11061         zero length.
11062
11063 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
11064
11065         PR rtl-optimization/78626
11066         PR rtl-optimization/78727
11067         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
11068         of a block, and split such blocks after everything else is finished.
11069
11070 2017-01-14  Alan Modra  <amodra@gmail.com>
11071
11072         PR target/72749
11073         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
11074         target legitimate_combined_insn.
11075         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
11076         (rs6000_legitimate_combined_insn): New function.
11077         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
11078         all uses.
11079         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
11080         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
11081         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
11082
11083 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
11084
11085         * doc/frontends.texi (G++ and GCC): Remove references to Java.
11086
11087 2017-01-13  Jeff Law  <law@redhat.com>
11088
11089         PR tree-optimization/33562
11090         PR tree-optimization/61912
11091         PR tree-optimization/77485
11092         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
11093         a statement.
11094         (delete_dead_assignment): Likewise.
11095         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
11096         statement to delete_dead_call and delete_dead_assignment.
11097
11098 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
11099
11100         PR c/78304
11101         * substring-locations.c (format_warning_va): Strengthen case 1 so
11102         that both endpoints of the substring must be within the format
11103         range for just the substring to be printed.
11104
11105 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
11106
11107         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
11108         * config/i386/i386.c (ix86_target_string): Add missing options
11109         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
11110         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
11111         flags_other and ix86_target_other to flags2_other.  Display unknown
11112         isa2 options.
11113         (ix86_valid_target_attribute_inner_p): Add missing options and
11114         reorder options by implied ISAs, as in ix86_target_string.
11115
11116 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
11117
11118         * hash-table.h (hash_table::too_empty_p): New function.
11119         (hash_table::expand): Use it.
11120         (hash_table::traverse): Likewise.
11121         (hash_table::empty_slot): Use sizeof (value_type) instead of
11122         sizeof (PTR) to convert bytes to elements.  Shrink the table
11123         if the current size is excessive for the current number of
11124         elements.
11125
11126 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
11127
11128         * ira-costs.c (record_reg_classes): Break from the inner loop
11129         early once alt_fail is known to be true.  Update outer loop
11130         handling accordingly.
11131
11132 2017-01-13  Jeff Law  <law@redhat.com>
11133
11134         * tree-ssa-dse.c (decrement_count): New function.
11135         (increment_start_addr, maybe_trim_memstar_call): Likewise.
11136         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
11137         when we know the partially dead statement is a mem* function.
11138
11139         PR tree-optimization/61912
11140         PR tree-optimization/77485
11141         * tree-ssa-dse.c: Include expr.h.
11142         (maybe_trim_constructor_store): New function.
11143         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
11144
11145         PR tree-optimization/33562
11146         PR tree-optimization/61912
11147         PR tree-optimization/77485
11148         * doc/invoke.texi: Document new dse-max-object-size param.
11149         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
11150         * tree-ssa-dse.c: Include params.h.
11151         (dse_store_status): New enum.
11152         (initialize_ao_ref_for_dse): New, partially extracted from
11153         dse_optimize_stmt.
11154         (valid_ao_ref_for_dse, normalize_ref): New.
11155         (setup_live_bytes_from_ref, compute_trims): Likewise.
11156         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
11157         (maybe_trim_partially_dead_store): Likewise.
11158         (maybe_trim_complex_store): Likewise.
11159         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
11160         Track what bytes live from the original store.  Return tri-state
11161         for dead, partially dead or live.
11162         (dse_dom_walker): Add constructor, destructor and new private members.
11163         (delete_dead_call, delete_dead_assignment): New extracted from
11164         dse_optimize_stmt.
11165         (dse_optimize_stmt): Make a member of dse_dom_walker.
11166         Use initialize_ao_ref_for_dse.
11167
11168         PR tree-optimization/33562
11169         PR tree-optimization/61912
11170         PR tree-optimization/77485
11171         * sbitmap.h (bitmap_count_bits): Prototype.
11172         (bitmap_clear_range, bitmap_set_range): Likewise.
11173         * sbitmap.c (bitmap_clear_range): New function.
11174         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
11175
11176 2017-01-13  Martin Liska  <mliska@suse.cz>
11177
11178         PR ipa/79043
11179         * function.c (set_cfun): Add new argument force.
11180         * function.h (set_cfun): Likewise.
11181         * ipa-inline-transform.c (inline_call): Use the function when
11182         strict alising from is dropped for function we inline to.
11183
11184 2017-01-13  Richard Biener  <rguenther@suse.de>
11185
11186         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
11187         for dumping GIMPLE INTEGER_CSTs.
11188
11189 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11190
11191         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
11192         to 201112L since C++17.
11193
11194 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
11195
11196         PR sanitizer/78887
11197         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
11198         if -fsanitize=kernel-address is present.
11199
11200 2017-01-13  Richard Biener  <rguenther@suse.de>
11201
11202         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
11203         as _Literal ( type ) number in case usual suffixes do not
11204         preserve all information.
11205
11206 2017-01-13  Richard Biener  <rguenther@suse.de>
11207
11208         PR tree-optimization/77283
11209         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
11210         and ssa-iterators.h.
11211         (is_feasible_trace): Implement a cost model based on joiner
11212         PHI node uses.
11213
11214 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
11215
11216         PR target/79004
11217         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
11218         char or short to __float128/_Float128 directly.
11219
11220 2017-01-12  Martin Sebor  <msebor@redhat.com>
11221
11222         to -Wformat-overflow.
11223         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
11224         (min_bytes_remaining): Same.
11225         (get_string_length): Same.
11226         (format_string): Same.
11227         (format_directive): Same.
11228         (add_bytes): Same.
11229         (pass_sprintf_length::handle_gimple_call): Same.
11230
11231 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
11232
11233         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
11234         info.nowrite calls with no lhs that can't throw.  Return bool
11235         whether gsi_remove has been called or not.
11236         (pass_sprintf_length::handle_gimple_call): Return bool whether
11237         try_substitute_return_value called gsi_remove.  Formatting fix.
11238         (pass_sprintf_length::execute): Don't use gsi_remove if
11239         handle_gimple_call returned true.
11240
11241         PR bootstrap/79069
11242         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
11243         be removed due to side-effects, don't remove following barrier nor
11244         turn the successor edge into fallthru edge.
11245
11246 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11247
11248         PR target/79044
11249         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
11250         element-reversing loads and stores as not swappable.
11251
11252 2017-01-12  Nathan Sidwell  <nathan@acm.org>
11253             Nicolai Stange  <nicstange@gmail.com>
11254
11255         * combine.c (try_combine): Don't ignore result of overlap checking
11256         loop.  Combine overlap & asm check into single loop.
11257
11258 2017-01-12  Richard Biener  <rguenther@suse.de>
11259
11260         * tree-pretty-print.c (dump_generic_node): Provide -gimple
11261         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
11262
11263 2017-01-12  Richard Biener  <rguenther@suse.de>
11264
11265         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
11266         and TS_TARGET_OPTION directly derive from TS_BASE.
11267         * tree-core.h (tree_optimization_option): Derive from tree_base.
11268         (tree_target_option): Likewise.
11269
11270 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
11271
11272         * config/i386/i386.c (memory_address_length): Increase len
11273         only when rip_relative_addr_p returns false.
11274
11275 2017-01-11  Julia Koval  <julia.koval@intel.com>
11276
11277         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
11278         (OPTION_MASK_ISA_SGX_SET): New.
11279         (ix86_handle_option): Handle OPT_msgx.
11280         * config.gcc: Added sgxintrin.h.
11281         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
11282         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
11283         * config/i386/i386.c (ix86_target_string): Add -msgx.
11284         (PTA_SGX): New.
11285         (ix86_option_override_internal): Handle new options.
11286         (ix86_valid_target_attribute_inner_p): Add sgx.
11287         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
11288         * config/i386/i386.opt: Add msgx.
11289         * config/i386/sgxintrin.h: New file.
11290         * config/i386/x86intrin.h: Add sgxintrin.h.
11291
11292 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
11293
11294         PR c++/71537
11295         * fold-const.c (maybe_nonzero_address): Return 1 for function
11296         local objects.
11297         (tree_single_nonzero_warnv_p): Don't handle function local objects
11298         here.
11299
11300         PR c++/72813
11301         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
11302         of c-header.
11303
11304 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
11305
11306         PR driver/78877
11307         * opts.c: Include "spellcheck.h"
11308         (struct string_fragment): New struct.
11309         (struct edit_distance_traits<const string_fragment &>): New
11310         struct.
11311         (get_closest_sanitizer_option): New function.
11312         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
11313
11314 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
11315
11316         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
11317         by 12.
11318         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
11319         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
11320         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
11321         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
11322         for initial die_offset if dwarf_split_debug_info.
11323         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
11324         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
11325         fields.
11326         (output_skeleton_debug_sections): Formatting fix.  Use
11327         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
11328         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
11329
11330 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
11331
11332         * config/arm/cortex-a53.md: Add bypasses for
11333         cortex_a53_r2f_cvt.
11334         (cortex_a53_r2f): Only use for transfers.
11335         (cortex_a53_f2r): Likewise.
11336         (cortex_a53_r2f_cvt): Add reservation for conversions.
11337         (cortex_a53_f2r_cvt): Likewise.
11338
11339 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
11340
11341         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
11342         to all inlined functions, change static to extern.
11343
11344 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
11345
11346         PR target/78253
11347         * config/arm/arm.c (legitimize_pic_address): Handle reference to
11348         weak symbol.
11349         (arm_assemble_integer): Likewise.
11350
11351 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
11352
11353         * config.gcc: Use new awk script to check CPU, FPU and architecture
11354         parameters for --with-... options.
11355         * config/arm/parsecpu.awk: New file
11356         * config/arm/arm-cpus.in: New file.
11357         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
11358         files.
11359         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
11360         files.
11361         * config/arm/t-arm: Update dependency rules.
11362         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
11363         of processing .def files.
11364         * config/arm/genopt.sh: Deleted.
11365         * config/arm/gentune.sh: Deleted.
11366         * config/arm/arm-cores.def: Deleted.
11367         * config/arm/arm-arches.def: Deleted.
11368         * config/arm/arm-fpus.def: Deleted.
11369         * config/arm/arm-tune.md: Regenerated.
11370         * config/arm/arm-tables.opt: Regenerated.
11371         * config/arm/arm-cpu.h: New generated file.
11372         * config/arm/arm-cpu-data.h: New generated file.
11373         * config/arm/arm-cpu-cdata.h: New generated file.
11374
11375 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
11376
11377         PR lto/79042
11378         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
11379         bit.
11380         (input_varpool_node): Unpack dynamically_initialized bit.
11381
11382 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
11383
11384         PR rtl-optimization/79032
11385         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
11386         the alignment of the adjusted memory reference against that of MODE,
11387         instead of the alignment of the original memory reference.
11388
11389 2017-01-11  Martin Jambor  <mjambor@suse.cz>
11390
11391         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
11392         test.
11393         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
11394         decorated functions.
11395
11396 2017-01-11  Richard Biener  <rguenther@suse.de>
11397
11398         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
11399         set range/nonnull info for PHI results.  Do not set it on
11400         stmts marked for removal.
11401
11402 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
11403
11404         * expr.c (store_field): In the bitfield case, fetch the return value
11405         from the registers before applying a single big-endian adjustment.
11406         Always do a final load for a BLKmode value not larger than a word.
11407
11408 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
11409
11410         PR c++/77949
11411         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
11412         that we correctly handle column numbers greater than
11413         LINE_MAP_MAX_COLUMN_NUMBER.
11414
11415 2017-01-10  Martin Sebor  <msebor@redhat.com>
11416
11417         PR middle-end/78245
11418         * gimple-ssa-sprintf.c (get_destination_size): Call
11419         {init,fini}object_sizes.
11420         * tree-object-size.c (addr_object_size): Adjust.
11421         (pass_through_call): Adjust.
11422         (pass_object_sizes::execute): Adjust.
11423         * tree-object-size.h (fini_object_sizes): Declare.
11424
11425 2017-01-10  Martin Sebor  <msebor@redhat.com>
11426
11427         PR tree-optimization/78775
11428         * builtins.c (get_size_range): Move...
11429         * calls.c: ...to here.
11430         (alloc_max_size): Accept zero argument.
11431         (operand_signed_p): Remove.
11432         (maybe_warn_alloc_args_overflow): Call get_size_range.
11433         * calls.h (get_size_range): Declare.
11434
11435 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
11436
11437         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
11438         from TI's devices.csv file as of September 2016.
11439         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
11440
11441 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
11442
11443         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
11444         * doc/invoke.texi: Likewise.
11445         * doc/md.texi: Likewise.
11446         * doc/objc.texi: Likewise.
11447
11448 2017-01-10  Joshua Conner  <joshconner@google.com>
11449
11450         * config/arm/fuchsia-elf.h: New file.
11451         * config/fuchsia.h: New file.
11452         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
11453         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
11454         targets.
11455         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
11456
11457 2016-01-10  Richard Biener  <rguenther@suse.de>
11458
11459         PR tree-optimization/79034
11460         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
11461         Propagate out degenerate PHIs in the joiner.
11462
11463 2017-01-10  Martin Liska  <mliska@suse.cz>
11464
11465         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
11466         (sort_congruence_classes_by_decl_uid): Likewise.
11467         (sort_congruence_class_groups_by_decl_uid): Likewise.
11468         (sem_item_optimizer::merge_classes): Sort class, groups in these
11469         classes and members in the groups by DECL_UID of declarations.
11470         This would make merge operations stable.
11471
11472 2017-01-10  Martin Liska  <mliska@suse.cz>
11473
11474         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
11475         usage of m_classes_vec.
11476         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
11477         (sem_item_optimizer::get_group_by_hash): Likewise.
11478         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
11479         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
11480         (sem_item_optimizer::verify_classes): Likewise.
11481         (sem_item_optimizer::process_cong_reduction): Likewise.
11482         (sem_item_optimizer::dump_cong_classes): Likewise.
11483         (sem_item_optimizer::merge_classes): Likewise.
11484         * ipa-icf.h (congruence_class_hash): Rename from
11485         congruence_class_group_hash.  Remove declaration of m_classes_vec.
11486
11487 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
11488
11489         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
11490         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
11491         * config.gcc: Add avx512vpopcntdqintrin.h.
11492         * config/i386/avx512vpopcntdqintrin.h: New.
11493         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
11494         * config/i386/i386-builtin-types.def: Add new types.
11495         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
11496         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
11497         __builtin_ia32_vpopcountq_v8di_mask): New.
11498         * config/i386/i386-c.c (ix86_target_macros_internal): Define
11499         __AVX512VPOPCNTDQ__.
11500         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
11501         (PTA_AVX512VPOPCNTDQ): Define.
11502         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
11503         TARGET_AVX512VPOPCNTDQ_P): Define.
11504         * config/i386/i386.opt: Add mavx512vpopcntdq.
11505         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
11506         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
11507
11508 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
11509
11510         PR middle-end/77484
11511         * predict.def (PRED_CALL): Set to 67.
11512
11513 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
11514
11515         * expr.c (store_field): In the bitfield case, if the value comes from
11516         a function call and is of an aggregate type returned in registers, do
11517         not modify the field mode; extract the value in all cases if the mode
11518         is BLKmode and the size is not larger than a word.
11519
11520 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
11521
11522         PR target/71017
11523         * config/i386/cpuid.h: Fix undefined behavior.
11524
11525 2017-01-04  Jeff Law  <law@redhat.com>
11526
11527         PR tree-optimization/79007
11528         PR tree-optimization/67955
11529         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
11530         conservative for pt.null when flag_non_call_exceptions is on.
11531
11532 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
11533
11534         PR translation/79019
11535         PR translation/79020
11536         * params.def (PARAM_INLINE_MIN_SPEEDUP,
11537         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
11538         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
11539         in descriptions.
11540         * config/avr/avr.opt (maccumulate-args): Likewise.
11541         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
11542         * common.opt (freport-bug): Likewise.
11543         * cif-code.def (CIF_FINAL_ERROR): Likewise.
11544         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
11545         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
11546         translatable string.
11547         * config/i386/i386.c (function_value_32): Likewise.
11548         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
11549         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
11550         Likewise.
11551         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
11552         * common/config/msp430/msp430-common.c (msp430_handle_option):
11553         Likewise.
11554         * symtab.c (symtab_node::verify_base): Likewise.
11555         * opts.c (set_debug_level): Likewise.
11556         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
11557         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
11558         missing whitespace to translatable strings.
11559         * config/avr/avr.md (bswapsi2): Fix typo in comment.
11560         * config/sh/superh.h: Likewise.
11561         * config/i386/xopintrin.h: Likewise.
11562         * config/i386/znver1.md: Likewise.
11563         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
11564         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
11565         * double-int.h (struct double_int): Likewise.
11566         * double-int.c (div_and_round_double): Likewise.
11567         * wide-int.cc: Likewise.
11568         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
11569         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
11570         * cfgcleanup.c (crossjumps_occured): Renamed to ...
11571         (crossjumps_occurred): ... this.
11572         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
11573         Adjust all uses.
11574
11575         PR tree-optimization/78899
11576         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
11577         returning bool return struct loop *, NULL for failure and the new
11578         loop on success.
11579         (versionable_outer_loop_p): Don't version outer loop if it has
11580         dont_vectorized bit set.
11581         (tree_if_conversion): When versioning outer loop, ensure
11582         tree_if_conversion is performed also on the inner loop of the
11583         non-vectorizable outer loop copy.
11584         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
11585         LOOP_VECTORIZED in inner loop of the scalar outer loop and
11586         prevent vectorization of it.
11587         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
11588         the outer loop vectorization of the non-scalar version is attempted
11589         before vectorization of the inner loop in scalar version.  If
11590         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
11591         vectorization of its inner loop.
11592         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
11593         has 2 inner loops, rename also on edges from bb whose single pred
11594         is outer_loop->header.  Fix typo in function comment.
11595
11596 2017-01-09  Martin Sebor  <msebor@redhat.com>
11597
11598         PR bootstrap/79033
11599         * asan.c (asan_emit_stack_protection): Increase local buffer size
11600         to avoid snprintf truncation warning.
11601
11602 2017-01-09  Andrew Pinski  <apinski@cavium.com>
11603
11604         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
11605         to reference thunderx2t99 for the tuning structure
11606         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
11607         Rename to ...
11608         (thunderx2t99_extra_costs): This.
11609         * config/aarch64/aarch64-tune.md: Regenerate.
11610         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
11611         (vulcan_addrcost_table): This.
11612         (vulcan_regmove_cost): Rename to ...
11613         (thunderx2t99_regmove_cost): This.
11614         (vulcan_vector_cost): Rename to ...
11615         (thunderx2t99_vector_cost): this.
11616         (vulcan_branch_cost): Rename to ...
11617         (thunderx2t99_branch_cost): This.
11618         (vulcan_tunings): Rename to ...
11619         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
11620         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
11621
11622 2017-01-09  Martin Jambor  <mjambor@suse.cz>
11623
11624         PR ipa/78365
11625         PR ipa/78599
11626         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
11627         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
11628         (propagate_vr_accross_jump_function): Use the above function for all
11629         value range computations for pass-through jump functions and type
11630         converasion from explicit value range values.
11631         (ipcp_propagate_stage): Do not attempt to deduce types of formal
11632         parameters from TYPE_ARG_TYPES.
11633         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
11634         (ipa_write_node_info): Stream type of the actual argument.
11635         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
11636
11637 2017-01-09  Martin Liska  <mliska@suse.cz>
11638
11639         PR pch/78970
11640         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
11641         (lookup_compiler): Do not show error message with have_E.
11642
11643 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
11644
11645         PR tree-optimization/78938
11646         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
11647         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
11648         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
11649         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
11650         fixes.
11651
11652 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11653
11654         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
11655         is const0_rtx.
11656
11657 2017-01-09  Richard Biener  <rguenther@suse.de>
11658
11659         PR tree-optimization/78997
11660         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
11661         name condition properly.
11662
11663 2017-01-09  Richard Biener  <rguenther@suse.de>
11664
11665         PR debug/79000
11666         * dwarf2out.c (is_cxx): New overload with context.
11667         (is_naming_typedef_decl): Use it.
11668
11669 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
11670
11671         * invoke.texi (Option Summary): Correct spacing in option lists
11672         and add line breaks to fix over-long lines.
11673
11674 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
11675
11676         PR middle-end/17660
11677
11678         * extend.texi (Common Variable Attributes): Add xref to GCC
11679         Internals manual to explain mode attribute keywords.
11680
11681 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
11682
11683         PR other/16519
11684         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
11685         and Preprocessor Options.
11686         (Options for Linking): Document -pthread here....
11687         (RS/6000 and PowerPC Options): ...not here.
11688         (Solaris 2 Options): ...or here.
11689         * doc/cppopts.texi: Document -pthread.
11690
11691 2017-01-08  Martin Sebor  <msebor@redhat.com>
11692
11693         PR middle-end/77708
11694         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
11695         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
11696         New member functions.
11697         (format_directive): Used them.
11698         (add_bytes): Same.
11699         (pass_sprintf_length::handle_gimple_call): Same.
11700         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
11701         to avoid truncation for any argument.
11702         (extract_affine_mul): Same.
11703         * tree.c (get_file_function_name): Same.
11704
11705 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
11706
11707         PR middle-end/77484
11708         * predict.def (PRED_INDIR_CALL): Set to 86.
11709
11710 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
11711
11712         PR preprocessor/54124
11713         * doc/cppopts.texi: Reformat -d subtable to list the full name
11714         of the options.  Add cross-reference to the docs for the general
11715         compiler -d options.
11716         * doc/invoke.texi (Developer Options): Add cross-reference to the
11717         preprocessor-specific -d option documentation.
11718
11719 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
11720
11721         PR preprocessor/13498
11722         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
11723         redudant material, and reflect new command-line options.
11724         (System Headers): Likewise.
11725
11726 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
11727
11728         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
11729         -isystem, and -idirafter.  Copy-edit.
11730         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
11731         default for -ftrack-macro-expansion.  Delete obsolete and
11732         badly-formatted implementation details about -fdebug-cpp output.
11733         * doc/cppwarnopts.texi: Copy-edit.
11734
11735 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
11736
11737         PR c++/72803
11738         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
11739         that the transition from a max line width >= 1<<10 to narrower
11740         lines works correctly.
11741
11742 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
11743
11744         * doc/options.texi (PerFunction): New.
11745         * opt-functions.awk (switch_flags): Map both Optimization and
11746         PerFunction to CL_OPTIMIZATION.
11747         * opth-gen.awk: Test for PerFunction flag along with
11748         Optimization.
11749         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
11750         it only when the latter is present.  Skip those that don't in
11751         the hash function generator.
11752         * common.opt (fvar-tracking): Mark as PerFunction instead of
11753         Optimization.
11754         (fvar-tracking-assignments): Likewise.
11755         (fvar-tracking-assignments-toggle): Likewise.
11756         (fvar-tracking-uninit): Likewise.
11757
11758 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
11759
11760         PR translation/79018
11761         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
11762         the and store.
11763
11764 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
11765
11766         PR target/57583
11767         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
11768         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
11769         TARGET_LONG_JUMP_TABLE_OFFSETS.
11770         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
11771         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
11772         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
11773         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
11774         * config/m68k/m68k.md (tablejump expander): Likewise.
11775         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
11776         TARGET_LONG_JUMP_TABLE_OFFSETS.
11777         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
11778         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
11779
11780 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
11781             David Holsgrove <david.holsgrove@xilinx.com>
11782
11783         * common/config/microblaze/microblaze-common.c
11784         (TARGET_EXCEPT_UNWIND_INFO): Remove.
11785         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
11786         New prototype.
11787         * config/microblaze/microblaze.c (microblaze_must_save_register)
11788         (microblaze_expand_epilogue, microblaze_return_addr): Handle
11789         calls_eh_return.
11790         (microblaze_eh_return): New function.
11791         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
11792         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
11793         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
11794         * config/microblaze/microblaze.md (eh_return): New pattern.
11795
11796 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
11797
11798         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
11799         GCC_DIAGNOSTIC_STRINGIFY): Define.
11800
11801         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
11802
11803 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
11804
11805         * config/arm/arm.md (<mcrr>): New.
11806         (<mrrc>): New.
11807         * config/arm/arm.c (arm_arch5te): New.
11808         (arm_option_override): Set arm_arch5te.
11809         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
11810         and mrrc2.
11811         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
11812         (arm_mcrr_qualifiers): ... this. New.
11813         (MRRC_QUALIFIERS): Define to...
11814         (arm_mrrc_qualifiers): ... this. New.
11815         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
11816         __arm_mrrc2): New.
11817         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
11818         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
11819         (MRRCI, mrrc, MRRC): New.
11820         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
11821         VUNSPEC_MRRC2): New.
11822
11823 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
11824
11825         * config/arm/arm.md (<mcr>): New.
11826         (<mrc>): New.
11827         * config/arm/arm.c (arm_coproc_builtin_available): Add
11828         support for mcr, mrc, mcr2 and mrc2.
11829         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
11830         (arm_mcr_qualifiers): ... this. New.
11831         (MRC_QUALIFIERS): Define to ...
11832         (arm_mrc_qualifiers): ... this. New.
11833         (MCR_QUALIFIERS): Define to ...
11834         (arm_mcr_qualifiers): ... this. New.
11835         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
11836         __arm_mrc2): New.
11837         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
11838         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
11839         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
11840         VUNSPEC_MRC2): New.
11841
11842 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
11843
11844         * config/arm/arm.md (*ldc): New.
11845         (*stc): New.
11846         (<ldc>): New.
11847         (<stc>): New.
11848         * config/arm/arm.c (arm_coproc_builtin_available): Add
11849         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
11850         (arm_coproc_ldc_stc_legitimate_address): New.
11851         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
11852         'qualifier_const_pointer'.
11853         (LDC_QUALIFIERS): Define to...
11854         (arm_ldc_qualifiers): ... this. New.
11855         (STC_QUALIFIERS): Define to...
11856         (arm_stc_qualifiers): ... this. New.
11857         * config/arm/arm-protos.h
11858         (arm_coproc_ldc_stc_legitimate_address): New.
11859         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
11860         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
11861         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
11862         stc2, stcl, stc2l): New.
11863         * config/arm/constraints.md (Uz): New.
11864         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
11865         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
11866         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
11867         VUNSPEC_STC2L): New.
11868
11869 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
11870
11871         * config/arm/arm.md (<cdp>): New.
11872         * config/arm/arm.c (neon_const_bounds): Rename this ...
11873         (arm_const_bounds): ... this.
11874         (arm_coproc_builtin_available): New.
11875         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
11876         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
11877         (CDP_QUALIFIERS): Define to...
11878         (arm_cdp_qualifiers): ... this. New.
11879         (void_UP): Define.
11880         (arm_expand_builtin_args): Add case for 6 arguments.
11881         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
11882         (arm_const_bounds): ... this.
11883         (arm_coproc_builtin_available): New.
11884         * config/arm/arm_acle.h (__arm_cdp): New.
11885         (__arm_cdp2): New.
11886         * config/arm/arm_acle_builtins.def (cdp): New.
11887         (cdp2): New.
11888         * config/arm/iterators.md (CDPI,CDP,cdp): New.
11889         * config/arm/neon.md: Rename all 'neon_const_bounds' to
11890         'arm_const_bounds'.
11891         * config/arm/types.md (coproc): New.
11892         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
11893         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
11894         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
11895         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
11896
11897 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
11898
11899         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
11900         (UBINOP_QUALIFIERS): New.
11901         (si_UP): Define.
11902         (acle_builtin_data): New. Change comment.
11903         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
11904         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
11905         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
11906         arm_acle_builtins.def.
11907         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
11908         (arm_init_acle_builtins): New.
11909         (CRC32_BUILTIN): Remove.
11910         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
11911         crc32cb, crc32ch and crc32cw.
11912         (arm_init_crc32_builtins): Remove.
11913         (arm_init_builtins): Use arm_init_acle_builtins rather
11914         than arm_init_crc32_builtins.
11915         (arm_expand_acle_builtin): New.
11916         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
11917         * config/arm/arm_acle_builtins.def: New.
11918
11919 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
11920
11921         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
11922         (arm_builtin_datum): ... this.
11923         (arm_init_neon_builtin): Rename to ...
11924         (arm_init_builtin): ... this. Add a new parameters PREFIX
11925         and USE_SIG_IN_NAME.
11926         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
11927         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
11928         'arm_builtin_datum'.
11929         (arm_init_vfp_builtins): Likewise.
11930         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
11931         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
11932         (arm_expand_neon_args): Rename to ...
11933         (arm_expand_builtin_args): ... this. Rename builtin_arg
11934         enum values and differentiate between ARG_BUILTIN_MEMORY
11935         and ARG_BUILTIN_NEON_MEMORY.
11936         (arm_expand_neon_builtin_1): Rename to ...
11937         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
11938         values, arm_expand_builtin_args and add bool parameter NEON.
11939         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
11940         (arm_expand_vfp_builtin): Likewise.
11941         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
11942
11943 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
11944
11945         PR middle-end/77484
11946         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
11947         * predict.c (tree_estimate_probability_bb): Reverse direction of
11948         polymorphic call predictor.
11949
11950 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
11951
11952         * passes.c (execute_one_pass): Split out pass-skipping logic into...
11953         (determine_pass_name_match): ...this new function and...
11954         (should_skip_pass_p): ...this new function.
11955
11956 2017-01-06  Nathan Sidwell  <nathan@acm.org>
11957
11958         * ipa-visibility.c (function_and_variable_visibility): Reformat
11959         comments and long lines.  Remove extrneous if.
11960         * symtab.c (symtab_node::make_decl_local): Fix code format.
11961         (symtab_node::set_section_for_node): Fix comment typo.
11962
11963 2017-01-06  Martin Liska  <mliska@suse.cz>
11964
11965         PR bootstrap/79003
11966         * lra-constraints.c: Rename invariant to lra_invariant.
11967         * predict.c (set_even_probabilities): Initialize e to NULL.
11968
11969 2017-01-05  Martin Sebor  <msebor@redhat.com>
11970
11971         PR tree-optimization/78910
11972         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
11973         (format_integer): Correct off-by-one error in the handling
11974         of precision with negative numbers in signed conversions..
11975
11976 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
11977
11978         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
11979
11980 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
11981
11982         PR tree-optimization/71016
11983         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
11984         factor_out_conditional_conversion.  Formatting fix.
11985         (factor_out_conditional_conversion): Add cond_stmt argument.
11986         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
11987         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
11988         Formatting fix.
11989
11990 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
11991
11992         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
11993         read-rtl-function.o, and selftest-rtl.o.
11994         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
11995         (selftest::aarch64_test_loading_full_dump): New function.
11996         (selftest::aarch64_run_selftests): New function.
11997         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
11998         selftest::aarch64_run_selftests.
11999         * config/i386/i386.c
12000         (selftest::ix86_test_loading_dump_fragment_1): New function.
12001         (selftest::ix86_test_loading_call_insn): New function.
12002         (selftest::ix86_test_loading_full_dump): New function.
12003         (selftest::ix86_test_loading_unspec): New function.
12004         (selftest::ix86_run_selftests): Call the new functions.
12005         * emit-rtl.c (maybe_set_max_label_num): New function.
12006         * emit-rtl.h (maybe_set_max_label_num): New decl.
12007         * function.c (instantiate_decls): Guard call to
12008         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
12009         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
12010         "static".
12011         * gensupport.c (gen_reader::gen_reader): Pass "false"
12012         for new "compact" param of rtx_reader.
12013         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
12014         rather than an empty string for NULL strings.
12015         * read-md.c: Potentially include config.h rather than bconfig.h.
12016         Wrap include of errors.h with #ifdef GENERATOR_FILE.
12017         (have_error): New global, copied from errors.c.
12018         (md_reader::read_name): Rename to...
12019         (md_reader::read_name_1): ...this, adding "out_loc" param,
12020         and converting "missing name or number" to returning false, rather
12021         than failing.
12022         (md_reader::read_name): Reimplement in terms of read_name_1.
12023         (md_reader::read_name_or_nil): New function.
12024         (md_reader::read_string): Handle "(nil)" by returning NULL.
12025         (md_reader::md_reader): Add new param "compact".
12026         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
12027         (md_reader::read_file): New method.
12028         * read-md.h (md_reader::md_reader): Add new param "compact".
12029         (md_reader::read_file): New method.
12030         (md_reader::is_compact): New accessor.
12031         (md_reader::read_name): Convert return type from void to file_location.
12032         (md_reader::read_name_or_nil): New decl.
12033         (md_reader::read_name_1): New decl.
12034         (md_reader::m_compact): New field.
12035         (noop_reader::noop_reader): Pass "false" for new "compact" param
12036         of rtx_reader.
12037         (rtx_reader::rtx_reader): Add new "compact" param.
12038         (rtx_reader::read_rtx_operand): Make virtual and convert return
12039         type from void to rtx.
12040         (rtx_reader::read_until): New decl.
12041         (rtx_reader::handle_any_trailing_information): New virtual function.
12042         (rtx_reader::postprocess): New virtual function.
12043         (rtx_reader::finalize_string): New virtual function.
12044         (rtx_reader::m_in_call_function_usage): New field.
12045         (rtx_reader::m_reuse_rtx_by_id): New field.
12046         * read-rtl-function.c: New file.
12047         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
12048         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
12049         (selftest::verify_three_block_rtl_cfg): New decl.
12050         * read-rtl-function.h: New file.
12051         * read-rtl.c: Potentially include config.h rather than bconfig.h.
12052         For host, include function.h, memmodel.h, and emit-rtl.h.
12053         (one_time_initialization): New function.
12054         (struct compact_insn_name): New struct.
12055         (compact_insn_names): New array.
12056         (find_code): Handle insn codes in compact dumps.
12057         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
12058         (bind_subst_iter_and_attr): Likewise.
12059         (add_condition_to_string): Likewise.
12060         (add_condition_to_rtx): Likewise.
12061         (apply_attribute_uses): Likewise.
12062         (add_current_iterators): Likewise.
12063         (apply_iterators): Likewise.
12064         (initialize_iterators): Guard usage of apply_subst_iterator with
12065         #ifdef GENERATOR_FILE.
12066         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
12067         (md_reader::read_mapping): Likewise.
12068         (add_define_attr_for_define_subst): Likewise.
12069         (add_define_subst_attr): Likewise.
12070         (read_subst_mapping): Likewise.
12071         (check_code_iterator): Likewise.
12072         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
12073         logic to...
12074         (one_time_initialization): New function.
12075         (rtx_reader::read_until): New method.
12076         (read_flags): New function.
12077         (parse_reg_note_name): New function.
12078         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
12079         Handle reuse_rtx ids.
12080         Wrap iterator lookup within #ifdef GENERATOR_FILE.
12081         Add parsing support for RTL dumps, mirroring the special-cases in
12082         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
12083         values, and calling handle_any_trailing_information.
12084         (rtx_reader::read_rtx_operand): Convert return type from void
12085         to rtx, returning return_rtx.  Handle case 'e'.  Call
12086         finalize_string on XSTR and XTMPL fields.
12087         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
12088          "(nil)" values were omitted.  Call the postprocess vfunc on the
12089         return_rtx.
12090         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
12091         class ctor.  Initialize m_in_call_function_usage.  Call
12092         one_time_initialization.
12093         * rtl-tests.c (selftest::test_uncond_jump): Call
12094         set_new_first_and_last_insn.
12095         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
12096         * selftest-rtl.c: New file.
12097         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
12098         (selftest::get_insn_by_uid): New decl.
12099         * selftest-run-tests.c (selftest::run_tests): Call
12100         read_rtl_function_c_tests.
12101         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
12102         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
12103         dumps.
12104
12105 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
12106
12107         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
12108         operands in a special way.  Assert that pos+len <= mode precision.
12109
12110 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
12111
12112         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
12113         3 argument Alias with unlimited for the negative form.
12114         (fno-vect-cost-model): Removed.
12115
12116 2017-01-05  Martin Liska  <mliska@suse.cz>
12117
12118         * hsa-gen.c (gen_hsa_divmod): New function.
12119         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
12120
12121 2017-01-05  Martin Liska  <mliska@suse.cz>
12122
12123         PR pch/78970
12124         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
12125         header.
12126
12127 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12128
12129         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
12130         small constant length operands.
12131
12132 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12133
12134         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
12135         between loop iterations.
12136
12137 2017-01-05  Martin Liska  <mliska@suse.cz>
12138
12139         PR sanitizer/78815
12140         * gimplify.c (gimplify_decl_expr): Compare to
12141         asan_poisoned_variables instread of checking flags.
12142         (gimplify_target_expr): Likewise.
12143         (gimplify_expr): Likewise.
12144         (gimplify_function_tree): Conditionally initialize
12145         asan_poisoned_variables.
12146
12147 2017-01-04  Jeff Law  <law@redhat.com>
12148
12149         PR tree-optimizatin/78812
12150         * rtl.h (contains_mem_rtx_p): Prototype.
12151         * ifcvt.c (containts_mem_rtx_p): Move from here to...
12152         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
12153         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
12154         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
12155         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
12156
12157 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
12158
12159         * input.c (assert_char_at_range): Default-initialize actual_range.
12160
12161 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
12162
12163         * df-scan.c (df_ref_create_structure): Make regno unsigned,
12164         to match the caller.
12165
12166 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
12167
12168         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
12169         insns after final jump in test to emit dummy move.
12170
12171 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
12172
12173         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
12174         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
12175
12176 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
12177
12178         * multiple_target.c (create_dispatcher_calls): Init e_next.
12179         * tree-ssa-loop-split.c (split_loop): Init border.
12180         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
12181         scalar_type.
12182
12183 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
12184
12185         PR target/71977
12186         PR target/70568
12187         PR target/78823
12188         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
12189         (altivec_register_operand): Do not return true if the operand
12190         contains a SUBREG mixing SImode and SFmode.
12191         (vsx_register_operand): Likewise.
12192         (vsx_reg_sfsubreg_ok): New predicate.
12193         (vfloat_operand): Do not return true if the operand contains a
12194         SUBREG mixing SImode and SFmode.
12195         (vint_operand): Likewise.
12196         (vlogical_operand): Likewise.
12197         (gpc_reg_operand): Likewise.
12198         (int_reg_operand): Likewise.
12199         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
12200         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
12201         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
12202         SImode and SFmode.
12203         (rs6000_emit_move_si_sf_subreg): New helper function.
12204         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
12205         fixup SUBREGs involving SImode and SFmode.
12206         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
12207         numbers for the new peephole2 optimization.
12208         (peephole2 for SFmode unions): New peephole2 to optimize cases in
12209         the GLIBC math library that do AND/IOR/XOR operations on single
12210         precision floating point.
12211         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
12212         target macros to say whether we need to avoid SUBREGs mixing
12213         SImode and SFmode.
12214         (TARGET_ALLOW_SF_SUBREG): Likewise.
12215         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
12216         (UNSPEC_SI_FROM_SF): Likewise.
12217         (iorxor): Change spacing.
12218         (and_ior_xor): New iterator for AND, IOR, and XOR.
12219         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
12220         (movdi_from_sf_zero_ext): Likewise.
12221         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
12222         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
12223         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
12224         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
12225         (fms<mode>4): Likewise.
12226         (fnma<mode>4): Likewise.
12227         (fnms<mode>4): Likewise.
12228         (nfma<mode>4): Likewise.
12229         (nfms<mode>4): Likewise.
12230
12231 2017-01-04  Marek Polacek  <polacek@redhat.com>
12232
12233         PR c++/64767
12234         * doc/invoke.texi: Document -Wpointer-compare.
12235
12236 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
12237
12238         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
12239         RejectNegative.
12240
12241         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
12242         descriptions for -gdwarf-5 and emit them as uleb128 instead of
12243         2-byte data.
12244
12245 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
12246
12247         PR target/78056
12248         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
12249         documentation of the powerpc_popcntb_ok attribute.
12250         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
12251         code to issue warning messages if a requested CPU configuration is
12252         not supported by the binary (assembler and loader) toolchain.
12253         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
12254         made to define a built-in function that has been disabled.
12255         (paired_init_builtins): Add assertion to prevent ICE if attempt is
12256         made to define a built-in function that has been disabled.
12257         (altivec_init_builtins): Add comment explaining why definition
12258         of the DST built-in functions is not preceded by an assertion
12259         check.  Add assertions to prevent ICE if attempts are made to
12260         define an altivec predicate or an abs* built-in function that has
12261         been disabled.
12262         (htm_init_builtins): Add comment explaining why definition of the
12263         htm built-in functions is not preceded by an assertion check.
12264
12265 2017-01-04  Jeff Law  <law@redhat.com>
12266
12267         PR tree-optimizatin/67955
12268         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
12269         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
12270         the points-to solution does not include pt_null.  Use DECL_PT_UID
12271         unconditionally.
12272
12273 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
12274
12275         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
12276         Use gen_int_mode instead of gen_lopwart for const_int operands.
12277
12278 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
12279
12280         PR tree-optimization/71563
12281         * match.pd: Simplify X << Y into X if Y is known to be 0 or
12282         out of range value - has low bits known to be zero.
12283
12284 2017-01-04  Alan Modra  <amodra@gmail.com>
12285
12286         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
12287         * configure: Regenerate.
12288         * config.in: Regenerate.
12289
12290 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
12291
12292         PR bootstrap/77569
12293         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
12294         a substring of the message, but strcmp with the whole message.  Ifdef
12295         ENABLE_NLS, translate the message first using dgettext.
12296
12297 2017-01-03  Jeff Law  <law@redhat.com>
12298
12299         PR tree-optimizatin/78856
12300         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
12301         (mark_threaded_blocks): Remove code to truncate thread paths that
12302         cross multiple loop headers.  Instead invalidate the cached loop
12303         iteration information and handle case of a thread path walking
12304         into an irreducible region.
12305
12306 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
12307
12308         PR target/78900
12309         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
12310         assertions.  Add support for doing the signbit if the IEEE 128-bit
12311         floating point value is in a GPR.
12312         * config/rs6000/rs6000.md (Fsignbit): Delete.
12313         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
12314         Update the length attribute if the value is in a GPR.
12315         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
12316         the sign or zero extension instruction, since the value is always 0/1.
12317         (signbit<mode>2_dm2): Delete using <Fsignbit>.
12318
12319         PR target/78953
12320         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
12321         extracting SImode to a GPR register so that we can generate a
12322         store, limit the vector to be in a traditional Altivec register
12323         for the vextuwrx instruction.
12324
12325 2017-01-03  Ian Lance Taylor  <iant@google.com>
12326
12327         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
12328
12329 2017-01-03  Martin Sebor  <msebor@redhat.com>
12330
12331         PR tree-optimization/78696
12332         * gimple-ssa-sprintf.c (format_floating): Correct handling of
12333         precision.  Use MPFR for %f for greater fidelity.  Correct handling
12334         of %g.
12335         (pass_sprintf_length::compute_format_length): Set width and precision
12336         specified by asrerisk to void_node for vararg functions.
12337         (try_substitute_return_value): Adjust dump output.
12338
12339 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
12340
12341         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
12342
12343 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
12344
12345         * doc/invoke.texi (SPARC options): Document -mlra as the default.
12346         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
12347         -mlra/-mno-lra was passed to the compiler.
12348
12349 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
12350
12351         PR rtl-optimization/65618
12352         * emit-rtl.c (try_split): Move initialization of "before" and
12353         "after" to just before the call to emit_insn_after_setloc.
12354
12355 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
12356
12357         * doc/md.texi (Standard Names): Remove reference to Java frontend.
12358
12359 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
12360
12361         * dwarf2out.c (gen_enumeration_type_die): When
12362         -gno-strict-dwarf, add a DW_AT_encoding attribute.
12363
12364 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
12365
12366         PR tree-optimization/78965
12367         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
12368         Change first argument from const call_info & to call_info &.  For %n
12369         set info.nowrite to false.
12370
12371         PR middle-end/78901
12372         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
12373         possibly throwing calls.
12374
12375         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
12376         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
12377         and fns handling, rather than in a separate case SSA_NAME.
12378
12379 2017-01-02  Jeff Law  <law@redhat.com>
12380
12381         * config/darwin-driver.c (darwin_driver_init): Const-correctness
12382         fixes for first_period and second_period variables.
12383
12384 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
12385
12386         PR target/78967
12387         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
12388         (*insvqi_1): New insn pattern.
12389         (*insvqi_1_mem_rex64): Ditto.
12390         (*insvqi_2): Ditto.
12391         (*insvqi_3): Rename from *insvqi.
12392
12393         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
12394
12395 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
12396
12397         * doc/cfg.texi (Edges): Remove reference to Java.
12398         (Maintaining the CFG): Ditto.
12399
12400 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
12401
12402         PR middle-end/77674
12403         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
12404         transparent aliases.
12405
12406 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
12407
12408         PR middle-end/77484
12409         * predict.def (PRED_CALL): Update hitrate.
12410         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
12411         * predict.c (tree_estimate_probability_bb): Split CALL predictor
12412         into direct/indirect/polymorphic variants.
12413
12414 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
12415
12416         Update copyright years.
12417
12418         * gcc.c (process_command): Update copyright notice dates.
12419         * gcov-dump.c (print_version): Ditto.
12420         * gcov.c (print_version): Ditto.
12421         * gcov-tool.c (print_version): Ditto.
12422         * gengtype.c (create_file): Ditto.
12423         * doc/cpp.texi: Bump @copying's copyright year.
12424         * doc/cppinternals.texi: Ditto.
12425         * doc/gcc.texi: Ditto.
12426         * doc/gccint.texi: Ditto.
12427         * doc/gcov.texi: Ditto.
12428         * doc/install.texi: Ditto.
12429         * doc/invoke.texi: Ditto.
12430 \f
12431 Copyright (C) 2017 Free Software Foundation, Inc.
12432
12433 Copying and distribution of this file, with or without modification,
12434 are permitted in any medium without royalty provided the copyright
12435 notice and this notice are preserved.